/* 鐟為珮鍥介檯鐗╂祦 - 涓绘牱寮忔枃浠?*/

/* ===== 鍩虹鏍峰紡閲嶇疆 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 涓昏壊璋?- 涓撲笟钃濊壊绯?*/
    --primary-color: #0056b3;
    --primary-dark: #003d82;
    --primary-light: #4d8bff;
    --primary-gradient: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    
    /* 杈呭姪鑹?*/
    --secondary-color: #00a8ff;
    --accent-color: #ff6b6b;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    
    /* 涓€ц壊 */
    --dark-color: #1a1a2e;
    --gray-dark: #495057;
    --gray-medium: #6c757d;
    --gray-light: #e9ecef;
    --gray-lighter: #f8f9fa;
    --white-color: #ffffff;
    
    /* 闃村奖 */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    --shadow-xxl: 0 25px 50px rgba(0, 0, 0, 0.2);
    
    /* 鍦嗚 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-xxl: 24px;
    --radius-full: 9999px;
    
    /* 杩囨浮鍔ㄧ敾 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* 瀛椾綋 */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--dark-color);
    background-color: var(--white-color);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== 椤堕儴閫氱煡鏍?===== */
.top-notice {
    background: var(--primary-gradient);
    color: var(--white-color);
    padding: 10px 0;
    font-size: 14px;
}

.notice-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.notice-content i {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ===== 瀵艰埅鏍?===== */
.navbar {
    position: sticky;
    top: 0;
    background: var(--white-color);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: all var(--transition-normal);
}

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

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
    gap: 30px;
    flex-wrap: nowrap;
    min-width: 0;
}

/* Logo 鏍峰紡 */
.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--dark-color);
    transition: transform var(--transition-fast);
    flex-shrink: 0;
    min-width: 0;
    max-width: 190px; /* 闄愬埗Logo鏈€澶у搴︼紝闃叉鑻辨枃鐘舵€佷笅杩囬暱 */
    overflow: hidden;
}

.logo:hover {
    transform: translateY(-2px);
}

.logo-icon {
    width: 36px; /* 杩涗竴姝ュ噺灏忓昂瀵?*/
    height: 36px; /* 杩涗竴姝ュ噺灏忓昂瀵?*/
    background: var(--primary-gradient);
    border-radius: 4px; /* 姝ｆ柟褰㈠渾瑙?*/
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white-color);
    font-size: 18px; /* 鍑忓皬鍥炬爣 */
    flex-shrink: 0;
}

.logo-text {
    display: flex;
    flex-direction: column; /* 鏀逛负鍒楁帓鍒楋紙涓婁笅锛?*/
    align-items: flex-start; /* 宸﹀榻?*/
    gap: 2px; /* 鍑忓皯琛岄棿璺?*/
    line-height: 1;
    white-space: nowrap; /* 姣忚鍐呴儴涓嶆崲琛?*/
    max-height: 40px; /* 闄愬埗鏈€澶ч珮搴?*/
    overflow: hidden; /* 闅愯棌婧㈠嚭 */
}

.logo-main {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 16px; /* 鍑忓皬瀛椾綋 */
    line-height: 1;
    color: var(--primary-color);
    white-space: nowrap;
    height: 18px; /* 鍥哄畾楂樺害 */
    overflow: hidden;
}

.logo-sub {
    font-size: 10px; /* 鍑忓皬瀛椾綋 */
    color: var(--gray-medium);
    letter-spacing: 0.2px;
    white-space: nowrap;
    opacity: 0.8;
    line-height: 1;
    height: 12px; /* 鍥哄畾楂樺害 */
    overflow: hidden;
}

/* 涓昏彍鍗?*/
.main-menu {
    display: flex;
    align-items: center;
    gap: 5px;
    flex: 1;
    justify-content: center;
    flex-wrap: nowrap;
    overflow: visible;
    min-width: 0;
    margin: 0 15px;
}

.menu-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px; /* 閫備腑鍐呰竟璺?*/
    color: var(--gray-dark);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    font-weight: 500;
    position: relative;
    white-space: nowrap;
    flex-shrink: 0;
    font-size: 14px;
}

.menu-item:hover {
    color: var(--primary-color);
    background: var(--gray-lighter);
}

.menu-item.active {
    color: var(--primary-color);
    background: rgba(0, 86, 179, 0.1);
}

.menu-item.active::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 50%;
}

.menu-item i {
    font-size: 16px;
}

/* 鑻辨枃鐘舵€佷笅鐨勭壒娈婃牱寮?*/
html[lang="en"] .logo {
    max-width: 145px; /* 鑻辨枃鐘舵€佷笅杩涗竴姝ラ檺鍒禠ogo瀹藉害 */
}

html[lang="en"] .menu-item {
    padding: 8px 12px; /* 鑻辨枃鐘舵€佷笅鍑忓皯鍐呰竟璺?*/
    font-size: 13px; /* 鑻辨枃鐘舵€佷笅鍑忓皬瀛椾綋 */
}

html[lang="en"] .main-menu {
    margin: 0 20px; /* 鑻辨枃鐘舵€佷笅澧炲姞杈硅窛 */
}

/* 涓嬫媺鑿滃崟 */
.menu-dropdown {
    position: relative;
}

/* 妗岄潰绔偓鍋滄晥鏋?- 浣跨敤CSS瀹炵幇 */
@media (min-width: 993px) {
    .menu-dropdown:hover .dropdown-content {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
}

.dropdown-content {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 240px;
    background: var(--white-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-normal);
    z-index: 1000;
}

/* 绉诲姩绔牱寮?*/
@media (max-width: 992px) {
    .dropdown-content {
        position: static;
        box-shadow: var(--shadow-md);
        margin-top: 5px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(0);
        max-height: 0;
        overflow: hidden;
        transition: all var(--transition-normal);
    }
    
    .dropdown-content.show {
        opacity: 1;
        visibility: visible;
        max-height: 500px; /* 瓒冲鏄剧ず鎵€鏈夊唴瀹?*/
    }
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--gray-dark);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--gray-lighter);
    color: var(--primary-color);
}

.dropdown-item i {
    width: 20px;
    text-align: center;
    color: var(--primary-color);
}

/* 璇█鍒囨崲鍣?*/
.language-switcher {
    display: inline-flex; /* 鏀逛负inline-flex */
    align-items: center;
    background: var(--gray-lighter);
    border-radius: var(--radius-md);
    padding: 2px;
    margin-right: 8px;
    flex-shrink: 0; /* 闃叉鏀剁缉 */
}

.lang-btn {
    display: inline-flex; /* 鏀逛负inline-flex */
    align-items: center;
    gap: 4px; /* 鍑忓皯闂撮殭 */
    padding: 5px 10px; /* 鍑忓皯鍐呰竟璺?*/
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--gray-medium);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 13px; /* 鍑忓皬瀛椾綋 */
    flex-shrink: 0;
}

.lang-btn.active {
    background: var(--white-color);
    color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.lang-btn:hover:not(.active) {
    color: var(--primary-color);
}

.lang-btn i {
    font-size: 12px;
}

/* 瀵艰埅鎸夐挳 */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.action-btn {
    display: inline-flex; /* 鏀逛负inline-flex */
    align-items: center;
    gap: 4px; /* 杩涗竴姝ュ噺灏戦棿闅?*/
    padding: 6px 12px; /* 杩涗竴姝ュ噺灏戝唴杈硅窛 */
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-fast);
    white-space: nowrap;
    flex-shrink: 0; /* 闃叉鏀剁缉 */
    font-size: 13px; /* 杩涗竴姝ュ噺灏忓瓧浣?*/
}

.phone-btn {
    background: var(--gray-lighter);
    color: var(--primary-color);
}

.phone-btn:hover {
    background: var(--gray-light);
    transform: translateY(-2px);
}

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

.quote-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ===== 鑻遍泟鍖哄煙 ===== */
.hero-section {
    position: relative;
    min-height: 100vh;
    overflow: hidden;
}

.hero-slider {
    position: relative;
    height: 100vh;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.slide.active {
    opacity: 1;
}

.slide-content {
    position: relative;
    z-index: 2;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    max-width: 600px;
    color: var(--white-color);
}

.slide-title {
    font-family: var(--font-heading);
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease;
}

.slide-subtitle {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.2s both;
}

.slide-actions {
    display: flex;
    gap: 16px;
    animation: fadeInUp 1s ease 0.4s both;
}

/* 鎸夐挳鏍峰紡 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-fast);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 16px;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--white-color);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--white-color);
    transform: translateY(-3px);
}

/* 骞荤伅鐗囨寚绀哄櫒 */
.slide-indicators {
    position: absolute;
    bottom: 120px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 3;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    padding: 0;
}

.indicator.active {
    background: var(--white-color);
    transform: scale(1.2);
}

.indicator:hover {
    background: rgba(255, 255, 255, 0.6);
}

/* 璺熻釜鏌ヨ妗?*/
.tracking-box {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 3;
    transform: translateY(50%);
}

.tracking-wrapper {
    background: var(--white-color);
    border-radius: var(--radius-xl);
    padding: 30px;
    box-shadow: var(--shadow-xxl);
    max-width: 800px;
    margin: 0 auto;
}

.tracking-header {
    text-align: center;
    margin-bottom: 25px;
}

.tracking-header i {
    font-size: 40px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.tracking-header h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 8px;
}

.tracking-header p {
    color: var(--gray-medium);
    font-size: 16px;
}

.tracking-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.input-group {
    display: flex;
    gap: 12px;
}

.tracking-input {
    flex: 1;
    padding: 16px 24px;
    border: 2px solid var(--gray-light);
    border-radius: var(--radius-md);
    font-size: 16px;
    transition: all var(--transition-fast);
    font-family: var(--font-body);
}

.tracking-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(0, 86, 179, 0.1);
}

.tracking-btn {
    padding: 16px 32px;
    background: var(--primary-color);
    color: var(--white-color);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
}

.tracking-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.tracking-examples {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--gray-medium);
    flex-wrap: wrap;
}

.example-link {
    color: var(--primary-color);
    text-decoration: none;
    padding: 4px 12px;
    background: var(--gray-lighter);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

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

/* ===== 閫氱敤鍖哄煙鏍峰紡 ===== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 42px;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--gray-medium);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== 鐗硅壊鍖哄煙 ===== */
.features-section {
    padding: 100px 0;
    background: var(--gray-lighter);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--white-color);
    border-radius: var(--radius-xl);
    padding: 40px 30px;
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

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

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

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(0, 86, 179, 0.1), rgba(77, 139, 255, 0.1));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    color: var(--primary-color);
    font-size: 32px;
}

.feature-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.feature-description {
    color: var(--gray-medium);
    line-height: 1.7;
}

/* ===== 鏈嶅姟鍖哄煙 ===== */
.services-section {
    padding: 100px 0;
    background: var(--white-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
}

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

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

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

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

.service-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 86, 179, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

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

.service-overlay i {
    color: var(--white-color);
    font-size: 48px;
}

.service-content {
    padding: 30px;
}

.service-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.service-description {
    color: var(--gray-medium);
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-list {
    list-style: none;
    margin-bottom: 25px;
}

.service-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    color: var(--gray-dark);
}

.service-list i {
    color: var(--success-color);
    font-size: 14px;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.service-link:hover {
    gap: 12px;
    color: var(--primary-dark);
}

/* ===== 缁熻鏁版嵁鍖哄煙 ===== */
.stats-section {
    padding: 80px 0;
    background: var(--primary-gradient);
    color: var(--white-color);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 64px;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 18px;
    opacity: 0.9;
}

/* ===== 鍚堜綔浼欎即鍖哄煙 ===== */
.partners-section {
    padding: 80px 0;
    background: var(--gray-lighter);
}

.partners-slider {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
}

.partner-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    padding: 25px;
    background: var(--white-color);
    border-radius: var(--radius-lg);
    min-width: 140px;
    transition: all var(--transition-normal);
}

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

.partner-logo {
    width: 60px;
    height: 60px;
    background: var(--gray-lighter);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 28px;
}

.partner-name {
    font-weight: 600;
    color: var(--dark-color);
    font-size: 14px;
}

/* ===== 椤佃剼 ===== */
.footer {
    background: var(--dark-color);
    color: var(--white-color);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.footer-logo i {
    font-size: 32px;
    color: var(--primary-color);
}

.footer-logo h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 5px;
}

.footer-logo p {
    font-size: 12px;
    color: var(--gray-light);
    opacity: 0.7;
}

.footer-description {
    color: var(--gray-light);
    margin-bottom: 25px;
    line-height: 1.7;
    opacity: 0.8;
}

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

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white-color);
    text-decoration: none;
    transition: all var(--transition-fast);
}

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

.footer-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--white-color);
}

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

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

.footer-links a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--gray-light);
    text-decoration: none;
    transition: all var(--transition-fast);
    opacity: 0.8;
}

.footer-links a:hover {
    color: var(--primary-color);
    opacity: 1;
    gap: 12px;
}

.footer-links i {
    font-size: 12px;
}

.footer-contact {
    list-style: none;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 15px;
    color: var(--gray-light);
    opacity: 0.8;
}

.footer-contact i {
    color: var(--primary-color);
    margin-top: 3px;
    min-width: 16px;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.copyright p {
    color: var(--gray-light);
    font-size: 14px;
    opacity: 0.7;
    margin-bottom: 5px;
}

.footer-legal {
    display: flex;
    gap: 20px;
}

.footer-legal a {
    color: var(--gray-light);
    text-decoration: none;
    font-size: 14px;
    transition: all var(--transition-fast);
    opacity: 0.7;
}

.footer-legal a:hover {
    color: var(--primary-color);
    opacity: 1;
}

/* ===== 杩斿洖椤堕儴鎸夐挳 ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--white-color);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

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

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* ===== 鍦ㄧ嚎瀹㈡湇 ===== */








/* 在线客服弹框显示状态 */






















/* ===== 鍔ㄧ敾鏁堟灉 ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

/* ===== 鍝嶅簲寮忚璁?===== */
@media (max-width: 1200px) {
    .container {
        max-width: 100%;
        padding: 0 40px;
    }
}

@media (max-width: 992px) {
    .slide-title {
        font-size: 48px;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .main-menu {
        display: none;
    }
    
    .nav-actions {
        margin-left: auto;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    .slide-title {
        font-size: 36px;
    }
    
    .slide-subtitle {
        font-size: 18px;
    }
    
    .slide-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .input-group {
        flex-direction: column;
    }
    
    .tracking-btn {
        width: 100%;
        justify-content: center;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .features-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    
    
    
}

@media (max-width: 576px) {
    .slide-title {
        font-size: 28px;
    }
    
    .nav-wrapper {
        flex-wrap: wrap;
        gap: 15px;
    }
    
    .logo {
        order: 1;
    }
    
    .nav-actions {
        order: 2;
        margin-left: 0;
        width: 100%;
        justify-content: center;
    }
    
    .action-btn span {
        display: none;
    }
    
    .action-btn {
        padding: 10px;
    }
    
    .stat-number {
        font-size: 48px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
    }
    
    
}

/* ===== 婊氬姩鏉℃牱寮?===== */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--gray-lighter);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-medium);
    border-radius: var(--radius-full);
}

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

/* ===== 鐒︾偣鏍峰紡 ===== */
:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* ===== 鏈嶅姟椤甸潰鏍峰紡 ===== */
.page-header {
    background: linear-gradient(rgba(0, 86, 179, 0.9), rgba(0, 86, 179, 0.7)), 
                url('../images/service-header.jpg') center/cover no-repeat;
    color: var(--white-color);
    padding: 80px 0;
    text-align: center;
}

.header-content {
    max-width: 800px;
    margin: 0 auto;
}

.page-title {
    font-family: var(--font-heading);
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 20px;
}

.page-subtitle {
    font-size: 18px;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* 鏈嶅姟璇︽儏鍖哄煙 */
.service-details {
    padding: 60px 0;
    background: var(--white-color);
}

.service-detail-section {
    margin-bottom: 80px;
}

.service-detail-section:last-child {
    margin-bottom: 0;
}

.service-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--gray-light);
}

.service-icon-large {
    width: 80px;
    height: 80px;
    background: var(--primary-gradient);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white-color);
    font-size: 32px;
    flex-shrink: 0;
}

.service-header-content {
    flex: 1;
}

.service-title {
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 10px;
}

.service-intro {
    font-size: 18px;
    color: var(--gray-medium);
    line-height: 1.6;
}

/* 鏈嶅姟鍐呭缃戞牸 */
.service-content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-feature {
    background: var(--gray-lighter);
    border-radius: var(--radius-lg);
    padding: 30px;
    transition: all var(--transition-normal);
}

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

.service-feature h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.service-feature p {
    color: var(--gray-dark);
    margin-bottom: 20px;
    line-height: 1.6;
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    color: var(--gray-dark);
    font-size: 14px;
}

.feature-list li:before {
    content: '鉁?;
    color: var(--success-color);
    font-weight: bold;
}

/* 浠锋牸鏌ヨ鍖哄煙 */
.price-section {
    background: var(--gray-lighter);
    padding: 60px;
    border-radius: var(--radius-xl);
    margin-top: 60px;
}

.price-calculator {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 40px;
}

@media (max-width: 768px) {
    .price-calculator {
        grid-template-columns: 1fr;
    }
}

.calculator-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 600;
    color: var(--dark-color);
    font-size: 14px;
}

.form-select,
.form-group input {
    padding: 12px 16px;
    border: 2px solid var(--gray-light);
    border-radius: var(--radius-md);
    font-size: 16px;
    font-family: var(--font-body);
    transition: all var(--transition-fast);
}

.form-select:focus,
.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.1);
}

.calculate-btn {
    margin-top: 10px;
    align-self: flex-start;
}

.price-result {
    background: var(--white-color);
    border-radius: var(--radius-lg);
    padding: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
}

.result-placeholder {
    text-align: center;
    color: var(--gray-medium);
}

.result-placeholder i {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 20px;
    opacity: 0.5;
}

.result-placeholder p {
    font-size: 16px;
    max-width: 300px;
    margin: 0 auto;
}

.price-tips {
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid var(--gray-light);
}

.price-tips h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 20px;
}

.tips-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    list-style: none;
    padding: 0;
}

.tips-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--gray-dark);
    font-size: 14px;
}

.tips-list li:before {
    content: '鈥?;
    color: var(--primary-color);
    font-size: 20px;
}

/* ===== 鎵撳嵃鏍峰紡 ===== */
@media print {
    .top-notice,
    .navbar,
    .slide-indicators,
    .tracking-box,
    .back-to-top,
    
    
    body {
        color: #000;
        background: #fff;
    }
    
    .container {
        max-width: 100%;
        padding: 0;
    }
    
    .hero-section {
        min-height: auto;
    }
    
    .slide {
        position: relative;
        opacity: 1;
        height: auto;
        background: none !important;
    }
    
    .slide-content {
        height: auto;
        color: #000;
        padding: 20px 0;
    }
    
    .page-header {
        background: none !important;
        color: #000;
        padding: 20px 0;
    }
    
    .service-feature {
        break-inside: avoid;
    }
}