.hero-insights {
    display: flex;
    gap: 16px;
    margin-top: 12px;
    animation: fadeInUp 1s ease 0.5s both;
}

.hero-card {
    flex: 1;
    min-width: 200px;
    backdrop-filter: blur(22px);
    background: linear-gradient(135deg, rgba(90, 134, 255, 0.88), rgba(128, 92, 255, 0.78));
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 18px;
    padding: 20px 22px;
    color: #f7f9ff;
    box-shadow: 0 24px 48px -24px rgba(76, 105, 255, 0.6);
}

.hero-card-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.hero-card p {
    margin: 0;
    font-size: 14px;
    line-height: 1.6;
    opacity: 0.9;
}
:root {
    --primary: #2E74FF; /* 参考钉钉蓝 */
    --primary-dark: #1E56E6;
    --secondary: #6c757d;
    --success: #28a745;
    --danger: #dc3545;
    --warning: #ffc107;
    --info: #17a2b8;
    --light: #f8f9fa;
    --dark: #212529;
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 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);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--gray-800);
    background: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 页面需要避让固定头部的通用类 */
.with-header-offset{padding-top:80px}

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

/* Header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: all 0.3s ease;
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.navbar-brand {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
    text-decoration: none;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.main-nav a {
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: color 0.3s ease;
    position: relative;
}

.main-nav a:hover {
    color: var(--primary);
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

.main-nav a:hover::after {
    width: 100%;
}

.main-nav .nav-cta {
    padding: 10px 22px;
    border-radius: 999px;
    background: linear-gradient(120deg, #5f7aff 0%, #7c5bff 100%);
    color: #fff;
    font-weight: 600;
    box-shadow: var(--shadow);
    position: relative;
}

.main-nav .nav-cta:hover {
    color: #fff;
    transform: translateY(-1px);
}

.main-nav .nav-cta::after {
    display: none;
}

/* 移动端菜单 */
.menu-toggle{display:none;width:40px;height:40px;border:none;background:transparent;position:relative}
.menu-toggle span{display:block;height:2px;background:var(--gray-800);margin:8px 0;transition:all .3s}

@media (max-width: 768px) {
    .menu-toggle{display:block}
    .main-nav{position:absolute;top:70px;left:0;right:0;background:#fff;border-bottom:1px solid var(--gray-200);display:none;flex-direction:column;gap:0;padding:10px}
    .main-nav.open{display:flex}
    .main-nav a{padding:12px 16px;width:100%}
    .main-nav .nav-cta{margin:10px 16px;padding:14px 0}
}

/* Hero Section */
.hero-section {
    position: relative;
    height: calc(100vh - 70px);
    min-height: 680px;
    overflow: hidden;
    margin-top: 70px;
    background: linear-gradient(130deg, #edf6ff 0%, #e6ecff 45%, #f7edff 100%);
    display: flex;
    align-items: stretch;
}

.hero-section::before,
.hero-section::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    mix-blend-mode: screen;
    pointer-events: none;
    z-index: 0;
}

.hero-section::before {
    width: 620px;
    height: 620px;
    background: radial-gradient(circle at center, rgba(103,128,255,0.5) 0%, rgba(103,128,255,0.08) 55%, transparent 75%);
    top: -200px;
    right: -160px;
}

.hero-section::after {
    width: 520px;
    height: 520px;
    background: radial-gradient(circle at center, rgba(123,214,255,0.42) 0%, rgba(123,214,255,0.08) 60%, transparent 80%);
    bottom: -180px;
    left: -160px;
}

.hero-section #heroCarousel,
.hero-section .carousel-inner,
.hero-section .carousel-item {
    height: 100%;
}

.hero-section .carousel-item {
    display: flex;
    position: relative;
}

.hero-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    animation: zoomIn 20s ease infinite;
    filter: saturate(0.55) brightness(1.05);
}

.hero-slide::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(255,255,255,.25) 0%, rgba(255,255,255,0) 38%);
}

@keyframes zoomIn {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.hero-default-bg {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(160deg, rgba(95, 122, 255, 0.46) 12%, rgba(124, 91, 255, 0.32) 52%, rgba(255, 255, 255, 0.42) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    flex: 1;
    display: flex;
    align-items: center;
    color: var(--white);
    padding: 120px 0 110px;
}

.hero-content .container {
    display: flex;
    justify-content: flex-start;
}

.hero-inner {
    max-width: 720px;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 24px;
    align-items: flex-start;
}

.hero-kicker {
    display: inline-flex;
    align-items: center;
    padding: 6px 16px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 1.2px;
    backdrop-filter: blur(12px);
    text-transform: uppercase;
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.2;
    text-shadow: 0 12px 28px rgba(21, 61, 146, 0.25);
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 22px;
    font-weight: 300;
    margin-bottom: 8px;
    opacity: 0.92;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 8px;
    animation: fadeInUp 1s ease 0.3s both;
}

.hero-features span {
    display: inline-flex;
    align-items: center;
    padding: 8px 20px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.35);
    background: rgba(255, 255, 255, 0.18);
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 0.5px;
    backdrop-filter: blur(10px);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
    animation: fadeInUp 1s ease 0.4s both;
    margin-top: 10px;
}

.hero-actions .btn-hero + .btn-hero {
    margin-left: 10px;
}

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

.btn-hero {
    display: inline-block;
    padding: 16px 40px;
    font-size: 18px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
}

.btn-hero-primary {
    background: linear-gradient(115deg, #5a7cff 0%, #7a6bff 55%, #9a69ff 100%);
    color: #fff;
    box-shadow: 0 22px 42px -20px rgba(84, 116, 255, 0.85);
}

.btn-hero-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
    color: #fff;
}

/* 次级按钮（轮廓按钮），用于与主按钮并列） */
.btn-hero-outline{
    display:inline-block;
    padding:16px 40px;
    border-radius:50px;
    text-decoration:none;
    transition:all .3s ease;
    color:#2f53ff;
    background: rgba(255,255,255,0.95);
    border: 2px solid rgba(255,255,255,0.9);
    box-shadow:0 18px 36px -24px rgba(30, 60, 180, 0.65);
}
.btn-hero-outline:hover{
    background:#fff;
    transform: translateY(-3px);
    box-shadow:0 22px 40px -20px rgba(30, 60, 180, 0.55);
}

/* Carousel Controls */
.hero-section .carousel-indicators {
    bottom: 30px;
    z-index: 3;
}

.hero-section .carousel-indicators button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.hero-section .carousel-indicators button.active {
    background: var(--white);
    width: 32px;
    border-radius: 6px;
}

.hero-section .carousel-control-prev,
.hero-section .carousel-control-next {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.hero-section .carousel-control-prev:hover,
.hero-section .carousel-control-next:hover {
    background: rgba(255, 255, 255, 0.3);
}

.hero-section .carousel-control-prev {
    left: 30px;
}

.hero-section .carousel-control-next {
    right: 30px;
}

/* Section Styles */
.section-services,
.section-clients,
.section-team,
.section-contact {
    padding: 100px 0;
}

/* News Page */
.news-hero{padding:80px 0;background:linear-gradient(135deg,#f3f7ff,#eef5ff);border-bottom:1px solid var(--gray-200)}
.news-title{font-size:44px;font-weight:800;margin:0;color:var(--gray-900)}
.news-sub{margin:10px 0 18px;color:var(--gray-600)}
.news-actions{margin-top:6px}

.news-card{background:#fff;border:1px solid var(--gray-200);border-radius:16px;overflow:hidden;box-shadow:var(--shadow);transition:all .25s}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.news-cover{height:220px;background:#f7f9ff}
.news-cover img{width:100%;height:100%;object-fit:cover;display:block}
.news-content{padding:18px}
.badge-date{display:inline-block;background:var(--primary);color:#fff;padding:4px 10px;border-radius:999px;font-size:12px;margin-bottom:10px}
.news-card-title{font-size:20px;font-weight:700;margin:6px 0 8px}
.news-card-title a{text-decoration:none;color:var(--gray-900)}
.news-card-title a:hover{color:var(--primary)}
.news-summary{color:var(--gray-700);min-height:46px}
.news-more{margin-top:8px}

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

.section-title {
    font-size: 42px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 10px;
}

.section-subtitle {
    font-size: 16px;
    color: var(--primary);
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* About Section */
.section-about {
    background: linear-gradient(180deg, #f8faff 0%, #ffffff 50%, #f0f7ff 100%);
    position: relative;
    overflow: hidden;
    padding: 100px 0;
}

.section-about::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle at center, rgba(46, 116, 255, 0.08) 0%, rgba(46, 116, 255, 0) 70%);
    top: -200px;
    right: -200px;
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

.section-about::after {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle at center, rgba(128, 92, 255, 0.06) 0%, rgba(128, 92, 255, 0) 70%);
    bottom: -150px;
    left: -150px;
    border-radius: 50%;
    animation: float 25s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(30px, -30px) scale(1.1);
    }
}

.about-content {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.about-intro-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 255, 0.95) 100%);
    border-radius: 24px;
    padding: 50px 60px;
    margin-bottom: 60px;
    box-shadow: 0 20px 60px -20px rgba(46, 116, 255, 0.15);
    border: 1px solid rgba(46, 116, 255, 0.1);
    text-align: center;
    transition: all 0.4s ease;
}

.about-intro-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 30px 80px -20px rgba(46, 116, 255, 0.25);
}

.about-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, #5a7cff 0%, #7a6bff 55%, #9a69ff 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: white;
    box-shadow: 0 12px 32px -8px rgba(90, 124, 255, 0.4);
    animation: iconPulse 2s ease-in-out infinite;
}

@keyframes iconPulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.about-card-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 20px;
    background: linear-gradient(135deg, #2E74FF 0%, #7a6bff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-card-text {
    font-size: 17px;
    line-height: 2;
    color: var(--gray-700);
    text-align: left;
    margin: 0;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.about-feature-card {
    background: white;
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 10px 40px -15px rgba(46, 116, 255, 0.15);
    border: 1px solid rgba(46, 116, 255, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}


.about-feature-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 20px 60px -15px rgba(46, 116, 255, 0.3);
    border-color: rgba(46, 116, 255, 0.2);
}

.about-feature-card .feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, rgba(90, 124, 255, 0.1) 0%, rgba(128, 92, 255, 0.1) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: #5a7cff;
    transition: all 0.3s ease;
}

.about-feature-card:hover .feature-icon {
    background: linear-gradient(135deg, #5a7cff 0%, #7a6bff 100%);
    color: white;
    transform: rotate(5deg) scale(1.1);
}

.feature-number {
    font-size: 42px;
    font-weight: 700;
    background: linear-gradient(135deg, #2E74FF 0%, #7a6bff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
    line-height: 1;
}

.feature-label {
    font-size: 16px;
    color: var(--gray-600);
    font-weight: 500;
}

.about-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
}

.about-card {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 40px -15px rgba(46, 116, 255, 0.12);
    border: 1px solid rgba(46, 116, 255, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #5a7cff 0%, #7a6bff 50%, #9a69ff 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

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


.about-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px -15px rgba(46, 116, 255, 0.25);
    border-color: rgba(46, 116, 255, 0.2);
}

.about-card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.card-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(90, 124, 255, 0.1) 0%, rgba(128, 92, 255, 0.1) 100%);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #5a7cff;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.about-card:hover .card-icon {
    background: linear-gradient(135deg, #5a7cff 0%, #7a6bff 100%);
    color: white;
    transform: scale(1.1) rotate(5deg);
}

.card-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0;
}

.card-content {
    font-size: 16px;
    line-height: 1.9;
    color: var(--gray-700);
    margin: 0;
    text-align: left;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .section-about {
        padding: 60px 0;
    }
    
    .about-intro-card {
        padding: 40px 30px;
    }
    
    .about-card-text {
        font-size: 16px;
        text-align: center;
    }
    
    .about-features {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .about-cards {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .about-card {
        padding: 30px 24px;
    }
}

/* Services Section */
.section-services {
    position: relative;
    background: linear-gradient(180deg, #eef6ff 0%, #f7f2ff 100%);
    overflow: hidden;
}
.section-services::before,
.section-services::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    mix-blend-mode: screen;
    opacity: .7;
}
.section-services::before {
    width: 520px;
    height: 520px;
    background: radial-gradient(circle at center, rgba(118, 161, 255, 0.42) 0%, rgba(118, 161, 255, 0) 65%);
    top: -180px;
    right: -160px;
}
.section-services::after {
    width: 460px;
    height: 460px;
    background: radial-gradient(circle at center, rgba(160, 123, 255, 0.38) 0%, rgba(160, 123, 255, 0) 70%);
    bottom: -200px;
    left: -140px;
}
.service-hero {
    position: relative;
    text-align: center;
    max-width: 820px;
    margin: 0 auto 48px;
    color: #1f2a56;
}
.service-tag {
    display: inline-block;
    margin-bottom: 16px;
    padding: 6px 18px;
    border-radius: 999px;
    background: rgba(90, 124, 255, .1);
    color: #4b63ff;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1px;
}
.service-heading {
    font-size: 44px;
    font-weight: 800;
    margin-bottom: 16px;
}
.service-subheading {
    font-size: 18px;
    color: #4e5a7e;
    line-height: 1.7;
}
.service-panels {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}
.service-panel {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 20px;
    padding: 40px 42px;
    border-radius: 32px;
    background: rgba(255, 255, 255, 0.85);
    box-shadow: 0 30px 60px -30px rgba(65, 85, 150, .35);
    border: 1px solid rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(12px);
}
.service-panel:nth-child(2) {
    background: rgba(255, 255, 255, 0.9);
}
.panel-content {
    flex: 1;
    min-width: 0;
}
.panel-title {
    font-size: 28px;
    font-weight: 700;
    color: #28356b;
    margin-bottom: 14px;
}
.panel-desc {
    font-size: 16px;
    color: #56648f;
    margin-bottom: 18px;
    line-height: 1.75;
}
.panel-list {
    list-style: none;
    padding: 0;
    margin: 0 0 24px;
    display: grid;
    gap: 10px;
}
.panel-list li {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    color: #49547a;
    font-size: 15px;
    line-height: 1.6;
}
.panel-list i {
    color: #4b63ff;
    font-size: 18px;
    margin-top: 2px;
}
.panel-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.btn-gradient {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 36px;
    border-radius: 999px;
    background: linear-gradient(120deg, #6b8bff 0%, #4f6dff 40%, #8d6bff 100%);
    color: #fff;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 18px 32px -20px rgba(76, 105, 255, .7);
    transition: transform .2s ease, box-shadow .2s ease;
}
.btn-gradient:hover {
    transform: translateY(-3px);
    box-shadow: 0 22px 40px -18px rgba(76, 105, 255, .65);
    color: #fff;
}
.btn-gradient-alt {
    background: linear-gradient(120deg, #7a6bff 0%, #4f8dff 100%);
}
@media (max-width: 992px) {
    .service-panel {
        text-align: center;
    }
    .panel-list li {
        justify-content: center;
    }
}
@media (max-width: 576px) {
    .service-heading {
        font-size: 32px;
    }
    .service-panel {
        padding: 32px 28px;
    }
    .panel-visual img {
        width: 180px;
    }
}

/* Product Nav Pills */
.section-product-nav {
    position: relative;
    z-index: 10;
    margin-top: -55px;
    padding: 0 0 48px;
}

.section-product-nav .container {
    display: flex;
    justify-content: center;
}

.product-nav-holder {
    position: relative;
    display: flex;
    justify-content: center;
    width: 100%;
}

.product-nav {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin: 0 auto;
    padding: 8px 14px;
    background: rgba(255, 255, 255, 0.78);
    border-radius: 999px;
    box-shadow: 0 16px 30px -26px rgba(60, 90, 170, 0.3);
    border: 1px solid rgba(226, 232, 255, 0.8);
    transition: all 0.3s ease;
}

.product-nav.is-fixed {
    position: fixed;
    top: 76px;
    left: 50%;
    transform: translateX(-50%);
    box-shadow: 0 22px 36px -26px rgba(50, 80, 170, 0.33);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(6px);
}

.product-nav-holder.is-placeholder {
    height: 60px;
}

.product-nav-item {
    border: none;
    background: transparent;
    padding: 8px 20px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    color: #4a5375;
    cursor: pointer;
    transition: all 0.25s ease;
    text-decoration: none;
}

.product-nav-item:hover {
    color: #3054ff;
}

.product-nav-item.active {
    background: linear-gradient(120deg, #7c96ff 0%, #9a76ff 100%);
    color: #fff;
    box-shadow: 0 12px 24px -20px rgba(70, 100, 255, 0.55);
}

@media (max-width: 576px) {
    .product-nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px;
    }
    .product-nav.is-fixed {
        top: 68px;
        width: calc(100% - 28px);
    }
    .product-nav-holder.is-placeholder {
        height: 96px;
    }
    .product-nav-item {
        padding: 7px 16px;
        font-size: 13px;
    }
}

.product-section {
    padding: 80px 0 100px;
}

.product-grad-light {
    background: linear-gradient(180deg, #f7f8ff 0%, #ffffff 40%, #f1f4ff 100%);
}

.product-grad-white {
    background: linear-gradient(180deg, #ffffff 0%, #f6f7ff 100%);
}

.product-grad-blue {
    background: linear-gradient(180deg, #f3f6ff 0%, rgba(219,230,255,0.4) 50%, #eef3ff 100%);
}

.product-grad-soft {
    background: linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
}

.panel-header {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 52px;
}

.panel-header h2 {
    font-size: 38px;
    font-weight: 800;
    color: #1f2a56;
    margin-bottom: 14px;
}

.panel-header p {
    font-size: 18px;
    color: #56648f;
    line-height: 1.7;
}

.panel-grid {
    display: grid;
    gap: 24px;
}

.panel-grid.three {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.panel-grid.four {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.panel-grid.two {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.feature-card,
.solution-card,
.security-card {
    background: #fff;
    border-radius: 24px;
    padding: 32px;
    box-shadow: 0 24px 45px -32px rgba(46, 82, 160, 0.45);
    border: 1px solid rgba(226, 232, 255, 0.9);
    transition: transform .25s ease, box-shadow .25s ease;
}

.feature-card:hover,
.solution-card:hover,
.security-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 30px 55px -32px rgba(46, 82, 160, 0.55);
}

.feature-icon {
    width: 58px;
    height: 58px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: #fff;
    margin-bottom: 22px;
}

.gradient-blue { background: linear-gradient(135deg, #5c8dff, #3f5fff); }
.gradient-purple { background: linear-gradient(135deg, #a17bff, #6d5cff); }
.gradient-cyan { background: linear-gradient(135deg, #61daff, #3cb8ff); }

.feature-card h3,
.solution-card h3,
.security-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: #243066;
    margin-bottom: 14px;
}

.feature-card p,
.solution-card p {
    font-size: 16px;
    color: #59658d;
    line-height: 1.65;
    margin: 0;
}

.solution-card .tag {
    display: inline-block;
    margin-top: 18px;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(76, 105, 255, 0.12);
    color: #3550ff;
    font-size: 13px;
    font-weight: 600;
}

.security-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.security-card li {
    padding-left: 24px;
    position: relative;
    font-size: 15px;
    color: #59658d;
    line-height: 1.7;
    margin-bottom: 10px;
}

.security-card li::before {
    content: '✔';
    position: absolute;
    left: 0;
    top: 0;
    color: #5c7bff;
    font-size: 14px;
}

.upgrade-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.upgrade-card {
    border-radius: 28px;
    padding: 36px 28px;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
    box-shadow: 0 28px 50px -26px rgba(64, 88, 180, 0.45);
}

.upgrade-card .icon-wrap {
    width: 70px;
    height: 70px;
    border-radius: 22px;
    margin: 0 auto 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: #fff;
    background: rgba(255,255,255,0.16);
}

.upgrade-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
}

.upgrade-card p {
    font-size: 15px;
    line-height: 1.6;
    opacity: 0.92;
    margin-bottom: 18px;
}

.upgrade-card .price {
    font-size: 28px;
    font-weight: 700;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.upgrade-card .currency {
    font-size: 20px;
}

.upgrade-card .unit {
    font-size: 14px;
}

.tier-lite { background: linear-gradient(135deg, #8052ff, #6534d9); }
.tier-starter { background: linear-gradient(135deg, #1fb5ff, #177dff); }
.tier-pro { background: linear-gradient(135deg, #2f82ff, #174bff); }
.tier-enterprise { background: linear-gradient(135deg, #2e66ff, #082bbf); }

.panel-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 10px;
}

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


/* Clients Section */
.section-clients {
    padding: 110px 0 100px;
    background: linear-gradient(180deg, #ffffff 0%, #f7f9ff 100%);
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 28px;
    max-width: 1080px;
    margin: 0 auto;
}

.client-item,
.clients-grid > div {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 26px 20px;
    border-radius: 20px;
    background: #f0f4ff;
    border: 1px solid rgba(212, 220, 255, 0.7);
    box-shadow: 0 18px 32px -28px rgba(86, 117, 207, 0.45);
    text-decoration: none;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.client-item:hover,
.clients-grid > div:hover {
    transform: translateY(-6px);
    box-shadow: 0 24px 40px -26px rgba(86, 117, 207, 0.55);
}

.client-item .client-logo,
.clients-grid > div .client-logo {
    width: 150px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
}

.client-item .client-logo img,
.clients-grid > div .client-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.client-item .client-name,
.clients-grid > div .client-name {
    font-size: 15px;
    font-weight: 600;
    color: #1f2a56;
    text-align: center;
}

@media (max-width: 768px) {
    .clients-grid {
        gap: 20px;
    }
    .client-item,
    .clients-grid > div {
        border-radius: 16px;
        padding: 22px 16px;
    }
}

/* Team Section */
.section-team {
    position: relative;
    background: linear-gradient(90deg, rgba(94, 144, 255, 0.2) 0%, rgba(255, 255, 255, 0.98) 50%, rgba(94, 144, 255, 0.2) 100%);
    overflow: hidden;
}

.team-slider-wrapper {
    position: relative;
}

.team-slider {
    overflow: hidden;
    position: relative;
}

.team-control-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid rgba(46, 116, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    color: var(--primary);
    font-size: 24px;
    padding: 0;
    outline: none;
}

.team-control-btn:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    box-shadow: 0 6px 20px rgba(46, 116, 255, 0.3);
    transform: translateY(-50%) scale(1.1);
}

.team-control-btn:active {
    transform: translateY(-50%) scale(0.95);
}

.team-control-prev {
    left: -25px;
}

.team-control-next {
    right: -25px;
}
.team-track {
    display: flex;
    transition: transform 0.6s ease;
}
.team-slide {
    flex: 0 0 25%;
    padding: 0 12px;
    box-sizing: border-box;
    display: flex;
}

.team-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    width: 100%;
}

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

.team-avatar {
    width: 100%;
    height: 220px;
    overflow: hidden;
    position: relative;
}

.team-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.team-card:hover .team-avatar img {
    transform: scale(1.1);
}

.avatar-fallback{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;font-size:38px;font-weight:700}

.team-info {
    padding: 30px 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.team-bio {
    flex: 1;
}

.team-name {
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.team-title {
    font-size: 16px;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 16px;
}

.team-bio {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.7;
}

@media (max-width: 992px) {
    .team-slide {
        flex: 0 0 50%;
    }
    
    .team-control-btn {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
    
    .team-control-prev {
        left: -20px;
    }
    
    .team-control-next {
        right: -20px;
    }
}

@media (max-width: 576px) {
    .team-slide {
        flex: 0 0 80%;
    }
    
    .team-control-btn {
        width: 36px;
        height: 36px;
        font-size: 18px;
    }
    
    .team-control-prev {
        left: -18px;
    }
    
    .team-control-next {
        right: -18px;
    }
}

/* Contact Section */
.section-contact {
    background: var(--white);
}

.contact-form {
    max-width: 800px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--gray-700);
    font-size: 15px;
}

.form-control {
    width: 100%;
    padding: 14px 18px;
    font-size: 16px;
    border: 2px solid var(--gray-300);
    border-radius: 10px;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(11, 95, 255, 0.1);
}

.form-control::placeholder {
    color: var(--gray-400);
}

.btn-submit {
    padding: 16px 50px;
    background: var(--primary);
    color: var(--white);
    font-size: 18px;
    font-weight: 600;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

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

/* Footer */
.site-footer {
    background: radial-gradient(140% 120% at 50% 0%, #1a1f3c 0%, #0d1324 48%, #04050e 100%);
    color: rgba(255,255,255,0.78);
    padding: 70px 0 40px;
    position: relative;
    overflow: hidden;
}
.site-footer::before,
.site-footer::after {
    content: '';
    position: absolute;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: radial-gradient(closest-side, rgba(103,132,255,0.35), rgba(42,57,136,0) 72%);
    filter: blur(0);
    opacity: 0.65;
    pointer-events: none;
    transition: transform .6s ease, opacity .6s ease;
}
.site-footer::before { top: -180px; left: -120px; }
.site-footer::after { bottom: -220px; right: -160px; }
.site-footer:hover::before { transform: translate(40px, 20px) scale(1.05); opacity: 0.8; }
.site-footer:hover::after { transform: translate(-30px, -10px) scale(1.05); opacity: 0.8; }

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 40px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, minmax(140px, 1fr));
    gap: 36px;
}

.footer-brand h5 {
    font-size: 22px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
}

.footer-brand p {
    margin: 0 0 12px;
    color: rgba(255, 255, 255, 0.75);
    font-size: 15px;
}
.footer-contact-email {
    margin: 4px 0 0;
    font-size: 14px;
}
.footer-contact-email .label {
    color: rgba(255,255,255,0.55);
    margin-right: 6px;
}
.footer-contact-email a {
    color: rgba(255,255,255,0.85);
    text-decoration: none;
}
.footer-contact-email a:hover {
    color: #8fb3ff;
}

.footer-column h6 {
    font-size: 16px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 16px;
}

.footer-column a {
    display: block;
    color: rgba(198, 207, 255, 0.78);
    text-decoration: none;
    margin-bottom: 10px;
    padding: 4px 0;
    position: relative;
    transition: color 0.25s ease, text-shadow 0.25s ease, transform 0.25s ease;
}
.footer-column a::before {
    content: '';
    position: absolute;
    left: -12px;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(126, 150, 255, 0);
    transition: background 0.25s ease, transform 0.25s ease;
}
.footer-column a:hover {
    color: rgba(255,255,255,0.98);
    text-shadow: 0 0 12px rgba(126,150,255,0.65);
    transform: translateX(2px);
}
.footer-column a:hover::before {
    background: rgba(126,150,255,0.85);
    transform: translateY(-50%) scale(1.4);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--gray-800);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
}

/* Responsive */
@media (max-width: 992px) {
    .hero-title {
        font-size: 42px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    .hero-insights{flex-direction:column}
    .hero-card{min-width:auto}
    
    .section-title {
        font-size: 36px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

@media (max-width: 768px) {
    .navbar-nav {
        display: none;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    .hero-section{height:auto;min-height:560px}
    .hero-content{padding:80px 0;text-align:center}
    .hero-content .container{justify-content:center}
    .hero-inner{align-items:center;text-align:center}
    .hero-features{justify-content:center}
    .hero-actions{justify-content:center}
    .hero-insights{flex-direction:column;width:100%}
    .hero-card{width:100%}
    
    .section-title {
        font-size: 28px;
    }
    
    .section-about,
    .section-services,
    .section-clients,
    .section-team,
    .section-contact {
        padding: 60px 0;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}

/* Admin Layout - Left Sidebar */
.admin-body{background:#f5f7fa;min-height:100vh}
.admin-layout{display:flex;min-height:100vh}
.admin-sidebar{width:240px;background:#fff;border-right:1px solid var(--gray-200);display:flex;flex-direction:column;position:fixed;left:0;top:0;bottom:0;z-index:10}
.sidebar-header{padding:20px;border-bottom:1px solid var(--gray-200)}
.sidebar-logo{font-size:18px;font-weight:700;color:var(--primary);margin-bottom:8px}
.sidebar-user{font-size:14px;color:var(--gray-600)}
.sidebar-nav{flex:1;padding:12px 0;overflow-y:auto}
.sidebar-footer{border-top:1px solid var(--gray-200);padding:12px 0}
.nav-item{display:flex;align-items:center;padding:12px 20px;color:var(--gray-700);text-decoration:none;transition:all .2s;gap:12px}
.nav-item:hover{background:var(--gray-50);color:var(--primary)}
.nav-item.active{background:var(--primary);color:#fff;font-weight:500}
.nav-icon{font-size:18px;width:24px;text-align:center}
.nav-text{font-size:14px}

.admin-content-wrapper{flex:1;margin-left:240px;display:flex;flex-direction:column;min-height:100vh}
.admin-header{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--gray-200);z-index:5}
.admin-header-content{display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:64px}
.admin-page-title{font-size:20px;font-weight:700;color:var(--gray-900);margin:0}
.admin-header-actions{display:flex;gap:12px}
.btn-secondary{background:#6c757d;color:#fff;padding:8px 16px;border-radius:8px;text-decoration:none;font-size:14px;transition:background .2s}
.btn-secondary:hover{background:#5a6268}

.admin-main{flex:1;padding:24px}
.admin-container{max-width:1400px;margin:0 auto}
.admin-section{margin-bottom:32px}
.admin-section:first-child{margin-top:0}
.admin-section h2{margin:0 0 16px;font-size:18px;color:var(--gray-900);font-weight:600}
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}

.stat-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    transition: all 0.3s ease;
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.stat-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--gray-600);
}

.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.alert.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.table th {
    font-weight: 600;
    color: var(--gray-900);
    background: var(--gray-100);
}

.admin-form{max-width:820px}
.admin-form .form-row{margin-bottom:12px}
.admin-link-list a{display:inline-block;margin-right:16px;margin-bottom:8px}
.list{margin-top:12px}
.list ul{list-style:none;padding:0}
.list li{padding:8px 0;border-bottom:1px solid var(--gray-200)}
.list li:last-child{border-bottom:none}
.muted{color:var(--gray-500);font-style:italic}
.table-wrap{background:#fff;border:1px solid var(--gray-200);border-radius:12px;overflow:hidden;margin-top:16px}
.table tbody tr:hover{background:var(--gray-50)}
.form-actions{margin-top:16px}
.btn-sm{padding:4px 8px;font-size:12px;border-radius:6px}
.btn-danger{background:#dc3545;color:#fff;border:none;padding:6px 12px;border-radius:8px;cursor:pointer}
.btn-danger:hover{background:#c82333}
.btn-primary{background:var(--primary);color:#fff;border:none;padding:6px 12px;border-radius:8px;cursor:pointer}
.btn-primary:hover{background:var(--primary-dark)}
.form-control{width:100%;padding:12px 14px;border:2px solid var(--gray-300);border-radius:12px;font:inherit}
.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(46,116,255,.12)}
.row{display:flex;flex-wrap:wrap;margin:-8px}
.col{flex:1;padding:8px}
.col-md-3{flex:0 0 25%;max-width:25%}
.g-3{gap:12px}
.h-100{height:100%}
.text-center{text-align:center}
.text-primary{color:var(--primary)}
.text-muted{color:var(--gray-600)}
.small{font-size:12px}
.fw-bold{font-weight:600}
.mt-2{margin-top:8px}
.p-2{padding:8px}
.card{background:#fff;border:1px solid var(--gray-200);border-radius:12px;padding:16px}
.admin-form input[type="file"]{padding:8px;border:2px solid var(--gray-300);border-radius:8px;background:#fff;cursor:pointer}
.admin-form input[type="file"]:hover{border-color:var(--primary)}
.admin-form input[type="file"]+input[type="text"]{margin-top:8px}
.btn{display:inline-block;padding:6px 12px;border-radius:8px;border:none;cursor:pointer;font-size:14px;text-decoration:none}
.table img{max-width:100px;height:auto;border-radius:4px;object-fit:cover}

/* 统一后台表单控件样式 */
.admin-form label{display:block;margin-bottom:6px;color:var(--gray-700);font-weight:500}
.admin-form input[type="text"],
.admin-form input[type="number"],
.admin-form input[type="password"],
.admin-form textarea{
    width:100%;
    padding:12px 14px;
    border:2px solid var(--gray-300);
    border-radius:12px;
    font:inherit;
    transition:border-color .2s, box-shadow .2s;
}
.admin-form textarea{min-height:120px;resize:vertical}
.admin-form input:focus,
.admin-form textarea:focus{
    outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(46,116,255,.12)
}
.admin-form .btn-primary{display:inline-block;background:var(--primary);color:#fff;padding:10px 16px;border-radius:10px;border:none;cursor:pointer}
.admin-form .btn-primary:hover{background:var(--primary-dark)}

/* Login Page */
.login-bg {
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(135deg, rgba(46,116,255,.55), rgba(30,86,230,.55)),
        url('https://images.unsplash.com/photo-1499346030926-9a72daac6c63?w=2000&q=80&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: -1;
}

.login-bg::after {
    content: "";
    position: absolute;
    inset: 0;
    backdrop-filter: saturate(120%) blur(1px);
}

.center-page {
    display: flex;
    min-height: 100vh;
    align-items: center;
    justify-content: center;
    position: relative;
}

.glass-card {
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-radius: 20px;
    padding: 40px;
    max-width: 420px;
    width: 100%;
}

/* 登录左右分屏布局（参考钉钉风格） */
.auth-wrapper{display:flex;gap:0;align-items:stretch;justify-content:center;width:100%;max-width:1100px;border-radius:22px;overflow:hidden;box-shadow:0 30px 60px rgba(16,36,94,.25);margin-top:20px}
.auth-left{flex:1 0 52%;min-width:360px;background:#fff;padding:48px}
.auth-right{flex:1 0 48%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,rgba(255,255,255,.12),rgba(255,255,255,.06));color:#fff;padding:48px}
.auth-brand{font-size:28px;font-weight:700;margin-bottom:8px}
.auth-sub{opacity:.9}

/* 登录表单强化 */
.auth-left .form-row input[type="text"],
.auth-left .form-row input[type="password"]{width:100%;padding:14px 16px;border:2px solid var(--gray-300);border-radius:12px;font-size:16px;transition:border-color .2s, box-shadow .2s}
.auth-left .form-row input[type="text"]:focus,
.auth-left .form-row input[type="password"]:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(46,116,255,.12)}
.auth-left .form-actions .btn{display:inline-block;background:var(--primary);color:#fff;border:none;border-radius:12px;padding:12px 22px;font-weight:700;box-shadow:var(--shadow-md);cursor:pointer}
.auth-left .form-actions .btn:hover{background:var(--primary-dark)}

/* 在线聊天窗口 */
#chat-widget{
    position:fixed;
    right:32px;
    bottom:32px;
    z-index:9999;
    font-family:inherit;
}
.chat-window{
    width:360px;
    height:480px;
    background:#fff;
    border-radius:18px;
    box-shadow:0 24px 60px -30px rgba(40,60,120,.45);
    display:flex;
    flex-direction:column;
    overflow:hidden;
    visibility:hidden;
    opacity:0;
    transform:translateY(16px);
    transition:all .25s ease;
    pointer-events:none;
    position:absolute;
    right:0;
    bottom:150px;
}
.chat-window.open{
    visibility:visible;
    opacity:1;
    transform:translateY(0);
    pointer-events:auto;
}
.chat-header{
    background:linear-gradient(135deg,#5a7cff,#7a6bff);
    color:#fff;
    padding:16px 20px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    font-weight:600;
}
.chat-close{
    background:none;
    border:none;
    color:#fff;
    font-size:24px;
    cursor:pointer;
    padding:0;
    width:32px;
    height:32px;
    line-height:1;
    border-radius:8px;
    transition:background .2s ease;
}
.chat-close:hover{background:rgba(255,255,255,.18)}
.chat-messages{
    flex:1;
    overflow-y:auto;
    padding:18px;
    background:#f5f7fa;
    display:flex;
    flex-direction:column;
    gap:12px;
}
.chat-input-area{
    display:flex;
    gap:10px;
    padding:14px 16px;
    border-top:1px solid #e5e7eb;
    background:#fff;
    align-items:center;
}
#chat-input{
    flex:1;
    padding:10px 12px;
    border:1px solid #d1d5db;
    border-radius:10px;
    font-size:14px;
    transition:border .2s ease, box-shadow .2s ease;
}
#chat-input:focus{
    outline:none;
    border-color:#5a7cff;
    box-shadow:0 0 0 3px rgba(90,124,255,.18);
}
#chat-send{
    background:linear-gradient(135deg,#5a7cff,#7a6bff);
    color:#fff;
    border:none;
    padding:10px 20px;
    border-radius:10px;
    cursor:pointer;
    font-weight:600;
    transition:transform .2s ease, box-shadow .2s ease;
}
#chat-send:hover{
    transform:translateY(-2px);
    box-shadow:0 12px 24px -12px rgba(90,124,255,.6);
}
.chat-launcher{
    display:flex;
    align-items:center;
    gap:12px;
    position:relative;
}
.chat-launcher-label{
    display:none;
}
.chat-launcher-label small{
    font-size:12px;
    font-weight:400;
    opacity:.7;
    writing-mode:vertical-rl;
    text-orientation:mixed;
}
.chat-launcher-actions{
    display:flex;
    flex-direction:column;
    gap:12px;
    align-items:center;
}
.chat-upload{
    width:44px;
    height:44px;
    border-radius:12px;
    display:flex;
    align-items:center;
    justify-content:center;
    color:#5a7cff;
    cursor:pointer;
    background:rgba(226,232,255,.82);
    margin-right:10px;
    transition:background .2s ease,color .2s ease;
}
.chat-upload:hover{
    background:rgba(226,232,255,1);
    color:#3f5bde;
}
.chat-upload i{font-size:18px;line-height:1;}
.chat-image-link img{
    max-width:260px;
    border-radius:12px;
    display:block;
}
.chat-image-caption{
    margin-top:6px;
    font-size:13px;
    line-height:1.4;
    color:inherit;
}
.launcher-btn{
    width:52px;
    height:52px;
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:22px;
    border:none;
    cursor:pointer;
    background:#fff;
    color:#2e74ff;
    box-shadow:0 16px 32px -20px rgba(40,60,120,.45);
    transition:transform .2s ease, box-shadow .2s ease;
}
.launcher-btn i{line-height:1}
.launcher-btn:hover{
    transform:translateY(-4px);
    box-shadow:0 20px 38px -22px rgba(40,60,120,.55);
}
.launcher-btn--chat{
    background:linear-gradient(135deg,#5a7cff,#7a6bff);
    color:#fff;
}
.launcher-btn--chat.is-active{
    box-shadow:0 24px 45px -22px rgba(90,124,255,.65);
}
.launcher-btn--phone{
    background:#fff;
    color:#2e74ff;
}
.launcher-btn--form{
    background:#fff;
    color:#5a7cff;
}
.launcher-btn--form:hover,
.launcher-btn--phone:hover{
    color:#2e53ff;
}
.launcher-btn[title]{position:relative}
.launcher-btn[title]:hover::after{
    content:attr(title);
    position:absolute;
    right:60px;
    top:50%;
    transform:translateY(-50%);
    background:rgba(0,0,0,.75);
    color:#fff;
    padding:6px 10px;
    border-radius:6px;
    font-size:12px;
    white-space:nowrap;
    pointer-events:none;
}
.launcher-btn[title]:hover::before{
    content:'';
    position:absolute;
    right:48px;
    top:50%;
    transform:translateY(-50%);
    width:8px;
    height:8px;
    background:rgba(0,0,0,.75);
    clip-path:polygon(0 50%,100% 0,100% 100%);
}
.launcher-btn,
.launcher-btn:focus,
.launcher-btn:active{
    outline:none;
    text-decoration:none;
}
.launcher-btn--phone,
.launcher-btn--form{
    color:#2e74ff;
}
.launcher-btn--form i,
.launcher-btn--phone i{font-size:20px}
@media (max-width:480px){
    #chat-widget{right:16px;bottom:16px}
    .chat-window{
        width:calc(100vw - 48px);
        height:calc(100vh - 160px);
        bottom:110px;
    }
    .chat-launcher-label{
        padding:14px 10px;
        min-height:120px;
        font-size:14px;
    }
    .launcher-btn{width:48px;height:48px;font-size:20px}
}

.section-product-panels {
    padding: 80px 0 110px;
    background: linear-gradient(180deg, #f7f8ff 0%, #ffffff 42%, #f2f6ff 100%);
}

.product-panel {
    background: transparent;
}

.product-panel + .product-panel {
    margin-top: 72px;
}

.product-panel.active {
    display: block;
}