/* ============================================
   高级粉色主题 - 慧清洁到家网站样式
   版本: 4.1
   日期: 2024-01-01
   ============================================ */

/* ============================================
   第一部分：重置和基础样式
   ============================================ */

/* 重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* CSS变量定义 */
:root {
    /* 主色调 - 粉色系 */
    --primary-color: #DE626C;
    --primary-dark: #c5535c;
    --primary-light: #e57373;
    --primary-extra-light: #ffb6c1;

    /* 渐变 */
    --gradient-primary: linear-gradient(135deg, #DE626C 0%, #e57373 50%, #ffb6c1 100%);
    --gradient-primary-hover: linear-gradient(135deg, #DE626C 0%, #e57373 50%, #ffb6c1 100%);
    --gradient-dark: linear-gradient(135deg, #b9b9b9 0%, #6d0426 100%);

    /* 文本颜色 */
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-light: #888888;
    --text-white: #ffffff;

    /* 背景色 */
    --bg-white: #ffffff;
    --bg-light: #f9f9f9;
    --bg-extra-light: #fff5f7;

    /* 边框和阴影 */
    --shadow-soft: 0 10px 30px rgba(222, 98, 108, 0.15);
    --shadow-medium: 0 15px 40px rgba(222, 98, 108, 0.2);
    --shadow-hard: 0 20px 50px rgba(222, 98, 108, 0.25);
    --shadow-dark: 0 20px 50px rgba(0, 0, 0, 0.15);

    /* 过渡效果 */
    --transition-fast: all 0.3s ease;
    --transition-normal: all 0.5s ease;
    --transition-slow: all 0.8s ease;

    /* 边框半径 */
    --radius-small: 8px;
    --radius-medium: 15px;
    --radius-large: 25px;
    --radius-round: 50%;

    /* 字体 */
    --font-heading: 'Playfair Display', 'Noto Sans SC', serif;
    --font-body: 'Noto Sans SC', sans-serif;
}

/* 基础HTML样式 */
html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--text-primary);
    line-height: 1.8;
    overflow-x: hidden;
    background-color: var(--bg-white);
}

/* 容器样式 */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

/* 页面模块样式 */
.page-section {
    padding: 60px 0;
}

/* ============================================
   第二部分：加载动画
   ============================================ */

.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ============================================
   第三部分：顶部导航栏
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: linear-gradient(60deg, rgb(255 255 255 / 85%), rgb(255 218 221 / 60%), rgb(255 218 221 / 20%));
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: var(--transition-normal);
}

.header.scrolled {
    padding: 10px 0;
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

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

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo img {
    height: 60px;
    margin-right: 0px;
    margin-left: 0px;
}

.nav ul {
    display: flex;
    list-style: none;
    gap: 15px;
}

.nav ul li a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 15px;
    border-radius: 30px;
    transition: var(--transition-fast);
}

.nav ul li a:hover,
.nav ul li a.active {
    color: var(--primary-color);
    background-color: #ffe9ed;
}

.contact-header {
    display: flex;
    align-items: center;
    background: var(--gradient-primary);
    color: white;
    padding: 12px 25px;
    border-radius: 30px;
    font-weight: 600;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-fast);
}

.contact-header:hover {
    background: var(--gradient-primary-hover);
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.contact-header i {
    margin-right: 10px;
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.menu-line {
    width: 25px;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-fast);
}

.mobile-menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.mobile-menu-btn.active .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ============================================
   第四部分：移动端菜单
   ============================================ */

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100%;
    background-color: var(--bg-white);
    z-index: 9999;
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.1);
    transition: right 0.5s cubic-bezier(0.77, 0.2, 0.05, 1);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px;
    border-bottom: 1px solid #eee;
}

.mobile-logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.mobile-logo img {
    height: 40px;
}

.mobile-logo span {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.mobile-close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.mobile-close-btn:hover {
    color: var(--primary-color);
}

.mobile-menu ul {
    list-style: none;
    padding: 30px;
    flex-grow: 1;
}

.mobile-menu ul li {
    margin-bottom: 20px;
}

.mobile-menu ul li a {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    color: var(--text-primary);
    font-size: 1.2rem;
    padding: 15px;
    border-radius: var(--radius-medium);
    transition: var(--transition-fast);
}

.mobile-menu ul li a:hover,
.mobile-menu ul li a.active {
    background-color: var(--primary-extra-light);
    color: var(--primary-color);
}

.mobile-contact {
    padding: 30px;
    border-top: 1px solid #eee;
}

.mobile-qr {
    text-align: center;
    margin-bottom: 25px;
}

.mobile-qr img {
    width: 150px;
    height: 150px;
    margin-bottom: 15px;
    border-radius: var(--radius-small);
    box-shadow: var(--shadow-soft);
}

.mobile-qr p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.mobile-phone {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    background: var(--gradient-primary);
    color: white;
    padding: 15px;
    border-radius: var(--radius-medium);
    font-weight: 600;
    box-shadow: var(--shadow-soft);
}

/* ============================================
   第五部分：首页模块
   ============================================ */

.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.5s ease;
}

.slide.active {
    opacity: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.7) 0%, rgba(187, 130, 148, 0.3) 100%);
    z-index: 1;
}

.hero-content {
    top: -180px;
    left: auto;
    right: auto;
    position: relative;
    z-index: 2;
    display: grid;
    align-content: center;
    align-items: center;
}

.hero-text {
    max-width: 700px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 4.5rem;
    font-weight: 700;
    color: white;
    line-height: 1.1;
    margin-bottom: 20px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease 0.3s forwards;
}

.hero-subtitle {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 600;
    color: var(--primary-light);
    line-height: 1.1;
    margin-bottom: 25px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease 0.6s forwards;
}

.hero-qr {
    opacity: 0;
    transform: translateX(30px);
    animation: fadeInRight 1s ease 1.8s forwards;
}

.qr-card {
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-large);
    padding: 25px;
    box-shadow: var(--shadow-soft);
    max-width: 300px;
}

.qr-card img {
    width: 150px;
    height: 150px;
    display: block;
    margin: 0 auto 20px;
    border-radius: var(--radius-small);
}

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

.qr-text h4 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 5px;
}

.qr-text p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 滚动指示器 */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    opacity: 0;
    animation: fadeIn 1s ease 2.1s forwards;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid white;
    border-radius: 15px;
    position: relative;
    margin: 0 auto 10px;
}

.wheel {
    width: 4px;
    height: 10px;
    background-color: white;
    border-radius: 2px;
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 2s infinite;
}

@keyframes scrollWheel {
    0% {
        top: 10px;
        opacity: 1;
    }
    100% {
        top: 30px;
        opacity: 0;
    }
}

.arrow {
    width: 15px;
    height: 15px;
    border-right: 2px solid white;
    border-bottom: 2px solid white;
    transform: rotate(45deg);
    margin: 0 auto;
    animation: arrowBounce 2s infinite;
}

@keyframes arrowBounce {
    0%, 20%, 50%, 80%, 100% {
        transform: rotate(45deg) translateY(0);
    }
    40% {
        transform: rotate(45deg) translateY(-10px);
    }
    60% {
        transform: rotate(45deg) translateY(-5px);
    }
}

/* 首页视频样式 */
.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    background-color: #000;
}

.video-fallback {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    z-index: -1;
}

/* ============================================
   第六部分：通用部分样式
   ============================================ */

/* 动画关键帧 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

/* 部分标题样式 */
.section-header {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.section-number {
    font-family: var(--font-heading);
    font-size: 6rem;
    font-weight: 700;
    color: var(--primary-extra-light);
    position: absolute;
    top: -40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: -1;
    opacity: 0.5;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-top: 5px;
}

.divider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-top: 15px;
}

.divider-line {
    width: 40px;
    height: 2px;
    background: var(--gradient-primary);
}

.divider-dot {
    width: 8px;
    height: 8px;
    background-color: var(--primary-color);
    border-radius: 50%;
}

/* ============================================
   第七部分：企业实力模块
   ============================================ */

.advantage-section {
    background-color: var(--bg-extra-light);
    position: relative;
    overflow: hidden;
}

.advantage-section::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: var(--gradient-primary);
    border-radius: 50%;
    opacity: 0.1;
    filter: blur(50px);
}

.advantage-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.advantage-text .intro-text {
    font-size: 1.2rem;
    line-height: 1.9;
    color: var(--text-secondary);
    margin-bottom: 70px;
}

.advantage-cards {
    display: flex;
    gap: 15px;
}

.advantage-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-large);
    padding: 10px;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: var(--gradient-primary);
}

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

.card-number {
    position: absolute;
    top: 15px;
    right: 15px;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-extra-light);
    opacity: 0.5;
}

.card-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    color: white;
    font-size: 1.5rem;
    box-shadow: var(--shadow-soft);
}

.card-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.card-desc {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* 视频容器 */
.advantage-image .video-container {
    position: relative;
    width: 100%;
    border-radius: var(--radius-large);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    background-color: #000;
}

/* 视频元素 */
.advantage-image .video-container video {
    width: 100%;
    height: auto;
    display: block;
    background-color: #000;
}

/* 视频覆盖层 */
.advantage-image .video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease;
}

.advantage-image .video-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

/* 播放按钮 */
.advantage-image .play-btn {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.8rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-medium);
    transition: var(--transition-fast);
    margin-bottom: 25px;
}

.advantage-image .play-btn:hover {
    transform: scale(1.1);
    background: var(--gradient-primary-hover);
}

/* 视频标题 */
.advantage-image .video-title {
    color: white;
    font-size: 1.3rem;
    font-weight: 600;
    text-align: center;
}

.video-tip{
    margin-bottom: 20px;
    margin-top: -10px;
    text-align: center;
    font-size: 20px;
}

/* ============================================
   第八部分：服务内容模块
   ============================================ */

.content-section {
    background-color: var(--bg-white);
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.content-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-large);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-normal);
}

.content-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-medium);
}

.card-image {
    height: 180px;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

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

.card-content {
    padding: 20px;
}

.card-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.card-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 15px;
    line-height: 1.6;
}

.service-list {
    list-style: none;
}

.service-list li {
    padding: 6px 0;
    border-bottom: 1px solid #eee;
    color: var(--text-light);
    font-size: 0.85rem;
    position: relative;
    padding-left: 18px;
}

.service-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

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

/* ============================================
   第九部分：自研自营模块
   ============================================ */

.research-section {
    background-color: var(--bg-extra-light);
    position: relative;
    overflow: hidden;
}

.research-section::before {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 300px;
    height: 300px;
    background: var(--gradient-primary);
    border-radius: 50%;
    opacity: 0.1;
    filter: blur(50px);
}

.research-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.research-text .intro-text {
    font-size: 1.2rem;
    line-height: 1.9;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.research-features {
    display: grid;
    gap: 25px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 18px;
}

.feature-icon {
    width: 55px;
    height: 55px;
    min-width: 55px;
    background: var(--gradient-primary);
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.4rem;
    box-shadow: var(--shadow-soft);
}

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

.feature-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.feature-desc {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}

.research-images .image-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.image-item {
    position: relative;
    border-radius: var(--radius-medium);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.image-item:first-child {
    grid-column: 1 / -1;
}

.image-item img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.8s ease;
}

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

.image-label {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 12px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: white;
    text-align: center;
    font-size: 0.85rem;
}

/* 慧清洁家政保洁管理系统样式 */
.system-features {
    display: grid;
    gap: 25px;
    margin-top: 80px;
}

.system-features .feature-item {
    display: flex;
    align-items: flex-start;
    gap: 18px;
}

.system-features .feature-icon {
    width: 55px;
    height: 55px;
    min-width: 55px;
    background: linear-gradient(135deg, #DE626C 0%, #e57373 100%);
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.4rem;
    box-shadow: var(--shadow-soft);
}

.system-features .feature-content {
    flex-grow: 1;
}

.system-features .feature-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.system-features .feature-desc {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* 系统优势卡片 */
.system-benefits {
    margin-top: 10px;
    padding: 30px;
    /*
    background: linear-gradient(135deg, rgba(222, 98, 108, 0.05) 0%, rgba(229, 115, 115, 0.05) 100%);
    border-radius: var(--radius-large);
    border: 1px solid rgba(222, 98, 108, 0.1);
    */
}

.benefit-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.benefit-card {
    background: white;
    padding: 25px;
    border-radius: var(--radius-medium);
    text-align: center;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-medium);
    border-color: var(--primary-color);
}

.benefit-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    background: linear-gradient(135deg, #DE626C 0%, #e57373 100%);
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.6rem;
    box-shadow: var(--shadow-soft);
}

.benefit-card h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.3;
}

.benefit-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* 图片网格调整 */
.research-images .image-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.research-images .image-item {
    position: relative;
    border-radius: var(--radius-medium);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-normal);
}

.research-images .image-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-medium);
}

.research-images .image-item img {
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
    transition: transform 0.8s ease;
}

.research-images .image-item:hover img {
    transform: scale(1.05);
}

.research-images .image-label {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 12px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: white;
    text-align: center;
    font-size: 0.85rem;
    font-weight: 500;
}

/* ============================================
   第十部分：服务流程模块
   ============================================ */

/* ============================================
   服务流程模块新样式
   ============================================ */

/* 流程内容容器 */
.process-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
    margin-bottom: 60px;
}

/* 左侧图片区域 */
.process-left {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.process-image-top,
.process-image-bottom {
    position: relative;
    border-radius: var(--radius-large);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    transition: var(--transition-normal);
}

.process-image-top:hover,
.process-image-bottom:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hard);
}

.process-image-top img,
.process-image-bottom img {
    width: 660px;
    height: auto;
    display: block;
    transition: transform 0.8s ease;
}

.process-image-top:hover img,
.process-image-bottom:hover img {
    transform: scale(1.05);
}

.process-left .image-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 18px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: white;
    text-align: center;
    font-weight: 500;
    font-size: 1.1rem;
}

/* 右侧文字内容区域 */
.process-intro {
    margin-bottom: 50px;
    /* gin-left: 160px; */
}

.process-intro p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.9;
    text-align: justify;
}

/* 流程特点 */
.process-features {
    display: grid;
    gap: 25px;
    margin-top: 60px;
    justify-content: end
}

.process-features .feature-item {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    width: 600px;
    padding: 20px;
    background-color: var(--bg-extra-light);
    border-radius: var(--radius-large);
    transition: var(--transition-normal);
}

.process-features .feature-item:hover {
    background-color: var(--bg-white);
    box-shadow: var(--shadow-soft);
    transform: translateY(-5px);
}

.process-features .feature-icon {
    width: 55px;
    height: 55px;
    min-width: 55px;
    background: var(--gradient-primary);
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.4rem;
    box-shadow: var(--shadow-soft);
}

.process-features .feature-content {
    flex-grow: 1;
}

.process-features .feature-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.process-features .feature-desc {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* 流程优势 */
.process-advantages {
    margin-bottom: 40px;
    padding: 30px;
    background: linear-gradient(135deg, rgba(222, 98, 108, 0.05) 0%, rgba(229, 115, 115, 0.05) 100%);
    border-radius: var(--radius-large);
    border: 1px solid rgba(222, 98, 108, 0.1);
}

.advantages-title {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 25px;
    text-align: center;
    position: relative;
    padding-bottom: 15px;
}

.advantages-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.advantage-card {
    background-color: var(--bg-white);
    padding: 25px;
    border-radius: var(--radius-medium);
    text-align: center;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-medium);
    border-color: var(--primary-color);
}

.advantage-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    background: linear-gradient(135deg, #DE626C 0%, #e57373 100%);
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.6rem;
    box-shadow: var(--shadow-soft);
}

.advantage-card h4 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.3;
}

.advantage-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* 流程CTA区域 */
.process-cta {
    text-align: center;
    padding: 30px;
    background: linear-gradient(135deg, #DE626C 0%, #e57373 100%);
    border-radius: var(--radius-large);
    color: white;
    margin-bottom: 50px;
}

.process-cta p {
    font-size: 1.3rem;
    margin-bottom: 25px;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* 流程统计数据 */
.process-statistics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    text-align: center;
}

.stat-item {
    background-color: var(--bg-white);
    padding: 30px 20px;
    border-radius: var(--radius-large);
    box-shadow: var(--shadow-soft);
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

.stat-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-medium);
    border-color: var(--primary-color);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
    line-height: 1;
}

.stat-unit {
    font-size: 1.5rem;
    font-weight: 600;
    margin-left: 5px;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 500;
}

/* ============================================
   响应式设计
   ============================================ */

/* 平板响应式 */
@media (max-width: 992px) {
    .process-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-statistics {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 平板小屏幕响应式 */
@media (max-width: 768px) {
    .advantages-grid {
        grid-template-columns: 1fr;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .process-statistics {
        grid-template-columns: repeat(2, 1fr);
    }

    .stat-number {
        font-size: 2.5rem;
    }
}

/* 手机响应式 */
@media (max-width: 576px) {
    .advantages-grid {
        grid-template-columns: 1fr;
    }

    .process-statistics {
        grid-template-columns: 1fr;
    }

    .stat-number {
        font-size: 2.2rem;
    }

    .process-features .feature-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .process-features .feature-icon {
        margin-bottom: 15px;
    }
}

/* ============================================
   第十一部分：服务保障模块
   ============================================ */

.guarantee-section {
    background-color: var(--bg-extra-light);
}

.guarantee-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.guarantee-points {
    display: grid;
    gap: 25px;
    margin-bottom: 40px;
}

.point-item {
    display: flex;
    align-items: flex-start;
    gap: 18px;
}

.point-icon {
    width: 55px;
    height: 55px;
    min-width: 55px;
    background: var(--gradient-primary);
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.4rem;
    box-shadow: var(--shadow-soft);
}

.point-content {
    flex-grow: 1;
}

.point-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.point-desc {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}

.guarantee-features {
    display: grid;
    gap: 25px;
    margin-bottom: 20px;
}

.feature-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-large);
    padding: 22px;
    box-shadow: var(--shadow-soft);
}

.feature-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.feature-desc {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}

.guarantee-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 100px;
    flex-direction: row;
    justify-content: center;
}

.badge {
    display: flex;
    align-items: center;
    gap: 6px;
    background-color: var(--bg-white);
    padding: 8px 16px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
    box-shadow: var(--shadow-soft);
    transition: var(--transition-fast);
}

.badge:hover {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(-4px);
}

.badge i {
    color: var(--primary-color);
}

.badge:hover i {
    color: white;
}

.guarantee-image .image-container {
    border-radius: var(--radius-large);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    position: relative;
}

.image-container img {
    width: 100%;
    height: auto;
    display: block;
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(179, 100, 108, 0.2), rgba(161, 80, 95, 0.4));
    display: flex;
    align-items: center;
    justify-content: center;
}

.overlay-content {
    text-align: center;
    color: white;
}

.overlay-content h3 {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 8px;
    text-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.overlay-content p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* ============================================
   第十二部分：赋能品牌模块
   ============================================

.empowerment-section {
    background-color: var(--bg-white);
}

.empowerment-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.empowerment-intro {
    margin-bottom: 40px;
}

.empowerment-intro p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    line-height: 1.9;
}

.empowerment-systems {
    display: grid;
    gap: 25px;
}

.system-card {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    padding: 22px;
    background-color: var(--bg-extra-light);
    border-radius: var(--radius-large);
    transition: var(--transition-normal);
}

.system-card:hover {
    background-color: var(--bg-white);
    box-shadow: var(--shadow-soft);
    transform: translateY(-4px);
}

.system-icon {
    width: 55px;
    height: 55px;
    min-width: 55px;
    background: var(--gradient-primary);
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.4rem;
    box-shadow: var(--shadow-soft);
}

.system-content {
    flex-grow: 1;
}

.system-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.system-desc {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}

.empowerment-image {
    position: relative;
}

.empowerment-image .image-wrapper {
    border-radius: var(--radius-large);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
}

.image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
}

.image-frame {
    position: absolute;
    top: 15px;
    left: 15px;
    right: 15px;
    bottom: 15px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-large);
    pointer-events: none;
}
*/

/* ============================================
   第十三部分：视频模块
   ============================================ */

.video-section {
    background-color: var(--bg-extra-light);
}

.video-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
    align-items: flex-start;
}

.video-wrapper {
    border-radius: var(--radius-large);
    overflow: hidden;
    box-shadow: var(--shadow-hard);
}

.video-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 比例 */
    background-color: #000;
}

.video-container video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease;
}

.video-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.play-btn {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.8rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-medium);
    transition: var(--transition-fast);
    margin-bottom: 25px;
}

.play-btn:hover {
    transform: scale(1.1);
    background: var(--gradient-primary-hover);
}

.video-title {
    color: white;
    font-size: 1.3rem;
    font-weight: 600;
    text-align: center;
}

.video-info {
    padding: 25px;
}

.video-info-title {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 18px;
}

.video-info-desc {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 25px;
}

.video-features {
    margin-bottom: 35px;
}

.video-features .feature {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.video-features .feature i {
    color: var(--primary-color);
}

.video-actions {
    margin-top: 30px;
    display: flex;
    gap: 50px;
    justify-content: center;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px; /* 减小间距 */
    padding: 14px 25px; /* 减小内边距 */
    border-radius: 30px;
    font-weight: 600;
    font-size: 1rem; /* 减小字体 */
    text-decoration: none;
    transition: var(--transition-fast);
    border: none;
    cursor: pointer;
}

.cta-button.primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-soft);
}

.cta-button.primary:hover {
    background: var(--gradient-primary-hover);
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.cta-button.secondary {
    background-color: rgba(255, 255, 255, 0.9);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.cta-button.secondary:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-5px);
}

/* ============================================
   第十四部分：底部
   ============================================ */

.footer {
    background: var(--gradient-dark);
    color: white;
    padding: 60px 0 25px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: var(--gradient-primary);
    border-radius: 50%;
    opacity: 0.1;
    filter: blur(50px);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
    position: relative;
    z-index: 1;
}

/* 备案
.footer-beian .beian-img {
    width: 16px;
    margin-top: 8px;
}
*/
.beian-img {
    width: 16px;
    margin-top: 8px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.footer-logo img {
    height: 70px;
}

.footer-slogan {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 25px;
    font-style: italic;
}

.footer-qr {
    margin-top: auto;
}

.footer-qr img {
    width: 156px;
    height: auto;
    border-radius: var(--radius-small);
    margin-bottom: 8px;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.footer-qr p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
}

.footer-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    color: white;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 12px;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--gradient-primary);
}

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

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

.footer-links ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition-fast);
    display: block;
}

.footer-links ul li a:hover {
    color: var(--primary-light);
    transform: translateX(5px);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 18px;
}

.contact-item i {
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-top: 5px;
}

.contact-label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    margin-bottom: 4px;
}

.contact-value {
    color: white;
    font-weight: 500;
    font-size: 0.95rem;
}

.social-icons {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.social-icon {
    width: 66px;
    height: 66px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    text-decoration: none;
    transition: var(--transition-fast);
    margin-top: 100px;
}

.social-icon:hover {
    background: var(--gradient-primary);
    transform: translateY(-4px);
}

.social-text {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
}

/* 二维码提示框 */
.qr-tooltip {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-bottom: 12px;
    padding: 12px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    text-align: center;
    min-width: 140px;
}

.qr-tooltip img {
    width: 145px;
    height: 145px;
    margin-bottom: 8px;
    border-radius: 5px;
}

.qr-tooltip p {
    margin: 0;
    font-size: 0.85rem;
    color: #333;
}

/* 添加小箭头 */
.qr-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-width: 8px;
    border-style: solid;
    border-color: white transparent transparent transparent;
}

/* 悬停时显示 */
.social-icon:hover .qr-tooltip {
    opacity: 1;
    visibility: visible;
}

/* 微信图标颜色 */
.wechat-tooltip .social-icon {
    background-color: #09bb07;
    color: white;
}

.wechat-tooltip .social-icon:hover {
    background-color: #08a906;
}

/* 抖音图标颜色 */
.douyin-tooltip .social-icon {
    background-color: #000;
    color: white;
}

.douyin-tooltip .social-icon:hover {
    background-color: #333;
}

.footer-bottom {
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    padding-top: 25px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 1;
}

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

/* ============================================
   第十五部分：返回顶部按钮
   ============================================ */

.back-to-top {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 45px;
    height: 45px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.1rem;
    cursor: pointer;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-fast);
    opacity: 0;
    visibility: hidden;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.back-to-top:hover {
    background: var(--gradient-primary-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

/* ============================================
   第十六部分：分享模态框
   ============================================ */

.share-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.share-modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: var(--bg-white);
    border-radius: var(--radius-large);
    padding: 35px;
    max-width: 480px;
    width: 90%;
    box-shadow: var(--shadow-hard);
    transform: translateY(30px);
    transition: transform 0.5s ease;
}

.share-modal.active .modal-content {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.modal-header h3 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.4rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.modal-close:hover {
    color: var(--primary-color);
}

.share-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.share-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 22px 18px;
    background-color: var(--bg-extra-light);
    border-radius: var(--radius-medium);
    cursor: pointer;
    transition: var(--transition-fast);
}

.share-option:hover {
    background-color: var(--primary-extra-light);
    transform: translateY(-4px);
}

.share-option i {
    font-size: 2.2rem;
    color: var(--primary-color);
}

.share-option span {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.95rem;
}

/* ============================================
   第十七部分：简洁在线客服侧边栏
   ============================================ */

/* 包装容器 */
.simple-service-wrapper {
    position: fixed;
    left: -50px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    display: flex;
    align-items: center;
    height: auto;
}

/* 切换按钮（始终可见） */
.simple-toggle-btn {
    width: 50px;
    height: 120px;
    right: -50px;
    background: linear-gradient(135deg, #DE626C 0%, #e57373 100%);
    color: white;
    border: none;
    border-radius: 0 15px 15px 0;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    z-index: 1001;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(222, 98, 108, 0.3);
    position: relative;
}

.simple-toggle-btn:hover {
    background: linear-gradient(135deg, #DE626C 0%, #e57373 100%);
    width: 55px;
    box-shadow: 0 8px 25px rgba(222, 98, 108, 0.4);
}

.simple-toggle-btn i {
    font-size: 1.4rem;
}

.simple-toggle-text {
    writing-mode: vertical-lr;
    text-orientation: mixed;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 2px;
    color: white;
}

/* 侧边栏主体 - 修改：默认展开 */
.simple-service-sidebar {
    width: 280px;
    background: white;
    border-radius: 0 20px 20px 0;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.15);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(0);
    overflow: hidden;
    position: relative;
    left: 0;
}

/* 收起状态 */
.simple-service-sidebar:not(.expanded) {
    transform: translateX(-100%);
}

/* 内容区域 */
.simple-sidebar-content {
    padding: 0;
    max-height: 550px;
    overflow-y: auto;
}

/* 头部 */
.simple-header {
    background: linear-gradient(135deg, #DE626C 0%, #e57373 100%);
    color: white;
    padding: 18px 22px;
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
}

.simple-header i {
    font-size: 1.3rem;
}

.simple-title {
    font-size: 1.2rem;
    font-weight: 600;
    flex-grow: 1;
}

.simple-close-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 7px;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.simple-close-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

/* 二维码区域 */
.simple-qrcodes {
    padding: 22px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.simple-qrcode-item {
    display: flex;
    gap: 18px;
    padding: 18px;
    background: #f8f9fa;
    border-radius: 15px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.simple-qrcode-item:hover {
    background: white;
    border-color: var(--primary-color);
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(222, 98, 108, 0.1);
}

.qrcode-icon {
    width: 45px;
    height: 45px;
    min-width: 45px;
    background: linear-gradient(135deg, #DE626C 0%, #e57373 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.4rem;
    box-shadow: 0 5px 15px rgba(222, 98, 108, 0.2);
}

.qrcode-content {
    flex-grow: 1;
    text-align: center;
}

.qrcode-content h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.qrcode-content img {
    width: 120px;
    height: 120px;
    border-radius: 10px;
    margin-bottom: 8px;
    border: 1px solid #eee;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.qrcode-content img:hover {
    transform: scale(1.05);
}

.qrcode-content p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

/* 底部按钮 */
.simple-footer {
    padding: 18px 22px;
    background: linear-gradient(135deg, #DE626C 0%, #e57373 100%);
    text-align: center;
}

.phone-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: white;
    color: var(--primary-color);
    text-decoration: none;
    padding: 10px 25px;
    border-radius: 25px;
    font-size: 0.95rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.phone-btn:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.phone-btn i {
    font-size: 1rem;
}

/* ============================================
   第十八部分：响应式设计
   ============================================ */

/* 大屏幕响应式 */
@media (max-width: 1200px) {
    .container {
        padding: 0 30px;
    }

    .hero-title {
        font-size: 3.5rem;
    }

    .hero-subtitle {
        font-size: 2.5rem;
    }

    .content-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .benefit-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 平板响应式 */
@media (max-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-qr {
        display: none;
    }

    .advantage-content,
    .research-content,
    .guarantee-content,
    .empowerment-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .video-content {
        grid-template-columns: 1fr;
        gap: 35px;
    }

    .nav,
    .contact-header {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .section-title {
        font-size: 2.5rem;
    }

    .section-number {
        font-size: 4.5rem;
    }
}

/* 平板小屏幕响应式 */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .page-section {
        padding: 50px 0;
    }

    .hero-title {
        font-size: 2.8rem;
    }

    .hero-subtitle {
        font-size: 2rem;
    }

    .content-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .process-images {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 35px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .share-options {
        grid-template-columns: 1fr;
    }

    /* 隐藏桌面版侧边栏，显示移动版 */
    .simple-service-wrapper {
        display: none;
    }

    /* 移动端简洁版本 */
    .mobile-simple-service {
        position: fixed;
        bottom: 90px;
        left: 15px;
        z-index: 999;
    }

    .mobile-service-circle {
        width: 55px;
        height: 55px;
        background: linear-gradient(135deg, #DE626C 0%, #e57373 100%);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: white;
        font-size: 1.4rem;
        box-shadow: 0 5px 20px rgba(222, 98, 108, 0.3);
        cursor: pointer;
        transition: all 0.3s ease;
    }

    .mobile-service-circle:hover {
        transform: scale(1.1);
    }

    .mobile-service-popup {
        position: fixed;
        bottom: 160px;
        left: 15px;
        background: white;
        border-radius: 18px;
        padding: 22px;
        box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
        z-index: 1000;
        display: none;
        width: 260px;
        animation: slideUp 0.3s ease;
    }

    .mobile-service-popup.active {
        display: block;
    }

    .mobile-service-popup::after {
        content: '';
        position: absolute;
        bottom: -10px;
        left: 35px;
        border-width: 10px;
        border-style: solid;
        border-color: white transparent transparent transparent;
    }

    .mobile-popup-header {
        text-align: center;
        margin-bottom: 18px;
    }

    .mobile-popup-header h4 {
        color: var(--primary-color);
        font-size: 1.2rem;
        margin-bottom: 8px;
    }

    .mobile-qrcode-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 12px;
        margin-bottom: 18px;
    }

    .mobile-qrcode-item {
        text-align: center;
    }

    .mobile-qrcode-item img {
        width: 90px;
        height: 90px;
        border-radius: 8px;
        margin-bottom: 6px;
    }

    .mobile-qrcode-item p {
        font-size: 0.8rem;
        color: var(--text-primary);
        margin: 0;
    }

    .mobile-consult-btn {
        width: 100%;
        background: linear-gradient(135deg, #DE626C 0%, #e57373 100%);
        color: white;
        border: none;
        padding: 12px;
        border-radius: 10px;
        font-size: 0.95rem;
        font-weight: 600;
        margin-top: 8px;
        cursor: pointer;
    }

    @keyframes slideUp {
        from {
            opacity: 0;
            transform: translateY(20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
}

/* 手机响应式 */
@media (max-width: 576px) {
    .hero-title {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1.6rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .section-title {
        font-size: 2rem;
    }

    .section-number {
        font-size: 3.5rem;
    }

    .content-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .cta-button {
        padding: 14px 22px;
        font-size: 0.95rem;
    }

    .card-image {
        height: 160px;
    }

    .process-row {
        flex-wrap: wrap;
        justify-content: space-around;
        gap: 20px;
    }

    .process-step {
        min-width: 140px;
        margin-bottom: 15px;
    }

    .process-connector {
        display: none;
    }

    .process-down-arrow {
        margin: 15px 0;
    }

    .process-down-arrow i {
        transform: rotate(90deg);
        animation: bounceHorizontal 2s infinite;
    }

    @keyframes bounceHorizontal {
        0%, 20%, 50%, 80%, 100% {
            transform: rotate(90deg) translateX(0);
        }
        40% {
            transform: rotate(90deg) translateX(-8px);
        }
        60% {
            transform: rotate(90deg) translateX(-4px);
        }
    }
}