/* ========================================
   济南市天桥区同城开锁服务中心 - 官网样式
   ======================================== */

/* CSS 变量 */
:root {
    --primary: #1a73e8;
    --primary-dark: #1557b0;
    --secondary: #34a853;
    --accent: #ea4335;
    --dark: #202124;
    --gray: #5f6368;
    --light-gray: #f8f9fa;
    --white: #ffffff;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius: 12px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.7;
    color: var(--dark);
    background: var(--white);
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 通用样式 */
.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 16px;
}

.section-title {
    font-size: 2.2rem;
    color: var(--dark);
    margin-bottom: 12px;
}

.section-desc {
    color: var(--gray);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #d32f2f);
    color: var(--white);
}

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

.btn-secondary {
    background: var(--white);
    color: var(--dark);
    border: 2px solid var(--dark);
}

.btn-secondary:hover {
    background: var(--dark);
    color: var(--white);
}

.btn-large {
    padding: 16px 36px;
    font-size: 1.1rem;
}

.btn-block {
    width: 100%;
}

.btn-icon {
    font-size: 1.2em;
}

/* 动画 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   导航栏
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    transition: var(--transition);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.navbar.scrolled {
    box-shadow: var(--shadow);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    padding: 0 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    font-size: 2rem;
}

.logo-text {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--dark);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links a {
    padding: 8px 16px;
    color: var(--gray);
    font-weight: 500;
    transition: var(--transition);
    border-radius: 8px;
}

.nav-links a:hover {
    color: var(--primary);
    background: rgba(26, 115, 232, 0.1);
}

.nav-phone-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--accent), #d32f2f);
    color: var(--white);
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: 600;
    transition: var(--transition);
}

.nav-phone-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.nav-phone-btn .phone-icon {
    animation: ring 1s infinite;
}

@keyframes ring {
    0%, 100% { transform: rotate(0deg); }
    10%, 30% { transform: rotate(10deg); }
    20% { transform: rotate(-10deg); }
    40% { transform: rotate(10deg); }
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 3px;
    background: var(--dark);
    border-radius: 2px;
    transition: var(--transition);
}

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

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

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

/* ========================================
   首屏横幅
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    color: var(--white);
    overflow: hidden;
    padding-top: 70px;
}

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

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 60px 20px;
}

.hero-badge {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.badge-item {
    background: rgba(255, 255, 255, 0.15);
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 0.95rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-title {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.3;
}

.hero-title .highlight {
    display: block;
    font-size: 1.6rem;
    background: linear-gradient(135deg, var(--accent), #ff7043);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-top: 10px;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.hero-info {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

.info-icon {
    font-size: 1.2em;
}

/* 波浪效果 */
.hero-bottom-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
}

.hero-bottom-wave svg {
    width: 100%;
    height: 100%;
}

.hero-bottom-wave path {
    fill: var(--white);
}

/* ========================================
   关于我们
   ======================================== */
.about {
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 50px;
}

.about-card {
    background: var(--light-gray);
    padding: 30px;
    border-radius: var(--radius);
    text-align: center;
    transition: var(--transition);
}

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

.about-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.about-card h3 {
    font-size: 1.1rem;
    color: var(--dark);
    margin-bottom: 8px;
}

.about-card p {
    color: var(--gray);
    font-size: 0.95rem;
}

.credit-code, .address-detail {
    font-size: 0.85rem !important;
    color: var(--primary) !important;
    margin-top: 8px;
}

.about-advantages {
    background: linear-gradient(135deg, #f0f7ff 0%, #e8f5e9 100%);
    padding: 40px;
    border-radius: var(--radius);
}

.about-advantages h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    text-align: center;
}

.advantages-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.advantages-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px;
    background: var(--white);
    border-radius: 8px;
    font-size: 0.95rem;
}

.check-icon {
    color: var(--secondary);
    font-weight: bold;
    font-size: 1.2em;
}

/* ========================================
   服务项目
   ======================================== */
.services {
    background: var(--light-gray);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transition: var(--transition);
}

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

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.2rem;
    color: var(--dark);
    margin-bottom: 16px;
}

.service-list {
    margin-bottom: 20px;
}

.service-list li {
    padding: 8px 0;
    color: var(--gray);
    font-size: 0.95rem;
    border-bottom: 1px solid #eee;
    position: relative;
    padding-left: 20px;
}

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

.service-tag {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.services-cta {
    text-align: center;
    margin-top: 50px;
}

/* ========================================
   资质备案
   ======================================== */
.qualification {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: var(--white);
}

.section-header-light .section-tag {
    background: rgba(255, 255, 255, 0.2);
}

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

.section-header-light .section-desc {
    color: rgba(255, 255, 255, 0.7);
}

.credentials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.credential-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 30px;
    border-radius: var(--radius);
    text-align: center;
    transition: var(--transition);
}

.credential-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.credential-badge {
    display: inline-block;
    background: var(--secondary);
    color: var(--white);
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    margin-bottom: 16px;
}

.credential-icon {
    font-size: 4rem;
    margin-bottom: 16px;
}

.credential-card h3 {
    font-size: 1.1rem;
    margin-bottom: 12px;
}

.credential-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    line-height: 1.6;
}

.credential-status {
    display: inline-block;
    margin-top: 16px;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.credential-status.verified {
    background: var(--secondary);
    color: var(--white);
}

/* 信任数据 */
.trust-banner {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius);
    padding: 30px;
    flex-wrap: wrap;
}

.trust-item {
    text-align: center;
}

.trust-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), #ff7043);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.trust-label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.trust-divider {
    width: 1px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
}

/* ========================================
   收费价目表
   ======================================== */
.prices {
    background: var(--white);
}

.prices-table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.prices-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
}

.prices-table thead {
    background: linear-gradient(135deg, var(--primary), #1976d2);
    color: var(--white);
}

.prices-table th {
    padding: 18px 16px;
    text-align: left;
    font-weight: 600;
}

.prices-table td {
    padding: 16px;
    border-bottom: 1px solid #eee;
}

.prices-table tbody tr:hover {
    background: #f8f9ff;
}

.category-tag {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
}

.price {
    font-weight: 700;
    color: var(--accent);
    font-size: 1.1em;
}

.prices-note {
    margin-top: 30px;
    padding: 20px;
    background: #fff8e1;
    border-left: 4px solid #ffc107;
    border-radius: 8px;
}

.prices-note p {
    color: #666;
    font-size: 0.95rem;
}

/* ========================================
   案例实景
   ======================================== */
.cases {
    background: var(--light-gray);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.case-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
}

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

.case-image {
    width: 120px;
    min-height: 100%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.5rem;
    flex-shrink: 0;
}

.case-content {
    padding: 24px;
    flex: 1;
}

.case-tag {
    display: inline-block;
    background: var(--light-gray);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.case-card h3 {
    font-size: 1.1rem;
    margin-bottom: 12px;
    color: var(--dark);
}

.case-card p {
    color: var(--gray);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 12px;
}

.case-meta {
    display: flex;
    gap: 20px;
    font-size: 0.85rem;
    color: var(--gray);
}

/* ========================================
   联系我们
   ======================================== */
.contact {
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

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

.contact-card {
    background: var(--light-gray);
    padding: 24px;
    border-radius: var(--radius);
    transition: var(--transition);
}

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

.contact-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.contact-card h3 {
    font-size: 1rem;
    color: var(--dark);
    margin-bottom: 12px;
}

.phone-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 8px;
}

.address-text, .time-text, .range-text {
    color: var(--gray);
    font-size: 0.95rem;
    line-height: 1.6;
}

.contact-note {
    color: #999;
    font-size: 0.85rem !important;
    margin-top: 8px;
}

.contact-cta-box {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: var(--white);
    padding: 40px;
    border-radius: var(--radius);
    text-align: center;
}

.contact-cta-box h3 {
    font-size: 1.8rem;
    margin-bottom: 16px;
}

.contact-cta-box p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 30px;
    font-size: 1.05rem;
}

.cta-phone-large {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.cta-phone-label {
    color: rgba(255, 255, 255, 0.7);
    display: block;
    margin-bottom: 8px;
}

.cta-phone {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent);
}

/* ========================================
   页脚
   ======================================== */
.footer {
    background: #1a1a1a;
    color: rgba(255, 255, 255, 0.8);
    padding: 60px 0 30px;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 50px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand h3 {
    color: var(--white);
    margin-bottom: 12px;
}

.footer-brand p {
    margin-bottom: 8px;
}

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

.footer-links h4, .footer-contact h4 {
    color: var(--white);
    margin-bottom: 20px;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

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

.footer-contact p {
    margin-bottom: 10px;
}

.footer-contact a {
    color: var(--accent);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    font-size: 0.9rem;
}

.footer-bottom p:last-child {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
    margin-top: 8px;
}

/* ========================================
   悬浮热线按钮
   ======================================== */
.float-phone {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
}

.float-phone-inner {
    display: flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--accent), #d32f2f);
    color: var(--white);
    padding: 14px 24px;
    border-radius: 30px;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.float-phone:hover .float-phone-inner {
    transform: scale(1.05);
}

.float-phone-icon {
    font-size: 1.3em;
    animation: ring 1s infinite;
}

.float-phone-pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    background: var(--accent);
    border-radius: 30px;
    transform: translate(-50%, -50%);
    z-index: -1;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.5;
    }
    100% {
        transform: translate(-50%, -50%) scale(1.5);
        opacity: 0;
    }
}

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .credentials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-top {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        box-shadow: var(--shadow);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-links a {
        display: block;
        padding: 14px 0;
        border-bottom: 1px solid #eee;
    }
    
    .nav-phone-btn {
        display: none;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-title .highlight {
        font-size: 1.2rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-info {
        flex-direction: column;
        gap: 12px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-advantages {
        padding: 24px;
    }
    
    .advantages-list {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .credentials-grid {
        grid-template-columns: 1fr;
    }
    
    .trust-banner {
        gap: 24px;
    }
    
    .trust-divider {
        display: none;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .case-card {
        flex-direction: column;
    }
    
    .case-image {
        width: 100%;
        height: 100px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .footer-top {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .float-phone {
        bottom: 20px;
        right: 20px;
    }
    
    .float-phone-inner {
        padding: 12px 20px;
        font-size: 0.9rem;
    }
    
    .float-phone-text {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.6rem;
    }
    
    .badge-item {
        font-size: 0.85rem;
        padding: 6px 14px;
    }
    
    .prices-table th,
    .prices-table td {
        padding: 12px 8px;
        font-size: 0.85rem;
    }
}

/* ========================================
   ͼƬչʾ��ʽ��ǿ
   ======================================== */

/* ���ʿ�ƬͼƬ��ʽ */
.credential-image {
    width: 100%;
    height: 160px;
    background: linear-gradient(135deg, #f5f7fa 0%, #e8eef5 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    overflow: hidden;
}

.credential-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* ������ƬͼƬ��ʽ��ǿ */
.case-image {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    min-height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: white;
    position: relative;
    overflow: hidden;
}

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

/* ����ʵ������ */
.service-scene {
    background: white;
}

/* ������չʾ���� */
.smartlock {
    background: #f8f9fa;
}