:root {
    /* default theme - golden */
    --theme-primary: #0052CC;
    --theme-secondary: #00A3BF;
    --theme-accent: #FF6B35;
    --theme-success: #36B37E;
    --theme-warning: #FFAB00;
    --theme-error: #DE350B;
    --theme-dark: #091E42;
    --theme-light: #F4F5F7;
    --theme-white: #FFFFFF;
    
    --theme-primary-rgb: 0, 82, 204;
    --theme-secondary-rgb: 0, 163, 191;
    
    --gradient-theme: linear-gradient(135deg, var(--theme-primary) 0%, var(--theme-secondary) 100%);
    --shadow-soft: 0 2px 8px rgba(9, 30, 66, 0.08);
    --shadow-medium: 0 4px 16px rgba(9, 30, 66, 0.12);
    --shadow-strong: 0 8px 32px rgba(9, 30, 66, 0.16);
}

/* theme purple */
.theme-purple {
    --theme-primary: #8B2BE2;
    --theme-secondary: #C13584;
    --theme-accent: #FF6B9C;
    --theme-success: #36B37E;
    --theme-warning: #FFAB00;
    --theme-error: #DE350B;
    --theme-dark: #1A0933;
    --theme-light: #F8F5FF;
    --theme-white: #FFFFFF;
    
    --theme-primary-rgb: 139, 43, 226;
    --theme-secondary-rgb: 193, 53, 132;
    
    --gradient-theme: linear-gradient(135deg, var(--theme-primary) 0%, var(--theme-secondary) 100%);
}

/* theme green */
.theme-green {
    --theme-primary: #006644;
    --theme-secondary: #00A47C;
    --theme-accent: #36B37E;
    --theme-success: #36B37E;
    --theme-warning: #FFAB00;
    --theme-error: #DE350B;
    --theme-dark: #0A291F;
    --theme-light: #F2F9F7;
    --theme-white: #FFFFFF;
    
    --theme-primary-rgb: 0, 102, 68;
    --theme-secondary-rgb: 0, 164, 124;
    
    --gradient-theme: linear-gradient(135deg, var(--theme-primary) 0%, var(--theme-secondary) 100%);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-weight: 400;
    line-height: 1.6;
    color: var(--theme-dark);
    background: var(--theme-white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--theme-dark);
    line-height: 1.2;
}

/* Bootstrap 占位符图片样式 */
.bd-placeholder-img {
    font-size: 1.125rem;
    text-anchor: middle;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
}

@media (min-width: 768px) {
    .bd-placeholder-img-lg {
        font-size: 3.5rem;
    }
}

/* Bootstrap 示例分隔线 */
.b-example-divider {
    width: 100%;
    height: 3rem;
    background-color: rgba(0, 0, 0, .1);
    border: solid rgba(0, 0, 0, .15);
    border-width: 1px 0;
    box-shadow: inset 0 .5em 1.5em rgba(0, 0, 0, .1), inset 0 .125em .5em rgba(0, 0, 0, .15);
}

.b-example-vr {
    flex-shrink: 0;
    width: 1.5rem;
    height: 100vh;
}

/* Bootstrap Icons 样式 */
.bi {
    vertical-align: -.125em;
    fill: currentColor;
}

/* 导航滚动容器 */
.nav-scroller {
    position: relative;
    z-index: 2;
    height: 2.75rem;
    overflow-y: hidden;
}

.nav-scroller .nav {
    display: flex;
    flex-wrap: nowrap;
    padding-bottom: 1rem;
    margin-top: -1px;
    overflow-x: auto;
    text-align: center;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
}

/* Bootstrap 主题按钮 */
.btn-bd-primary {
    --bd-violet-bg: #712cf9;
    --bd-violet-rgb: 112.520718, 44.062154, 249.437846;
    --bs-btn-font-weight: 600;
    --bs-btn-color: var(--bs-white);
    --bs-btn-bg: var(--bd-violet-bg);:root {
    /* default theme - golden */
    --theme-primary: #0052CC;
    --theme-secondary: #00A3BF;
    --theme-accent: #FF6B35;
    --theme-success: #36B37E;
    --theme-warning: #FFAB00;
    --theme-error: #DE350B;
    --theme-dark: #091E42;
    --theme-light: #F4F5F7;
    --theme-white: #FFFFFF;
    
    --theme-primary-rgb: 0, 82, 204;
    --theme-secondary-rgb: 0, 163, 191;
    
    --gradient-theme: linear-gradient(135deg, var(--theme-primary) 0%, var(--theme-secondary) 100%);
    --shadow-soft: 0 2px 8px rgba(9, 30, 66, 0.08);
    --shadow-medium: 0 4px 16px rgba(9, 30, 66, 0.12);
    --shadow-strong: 0 8px 32px rgba(9, 30, 66, 0.16);
}

/* theme purple */
.theme-purple {
    --theme-primary: #8B2BE2;
    --theme-secondary: #C13584;
    --theme-accent: #FF6B9C;
    --theme-success: #36B37E;
    --theme-warning: #FFAB00;
    --theme-error: #DE350B;
    --theme-dark: #1A0933;
    --theme-light: #F8F5FF;
    --theme-white: #FFFFFF;
    
    --theme-primary-rgb: 139, 43, 226;
    --theme-secondary-rgb: 193, 53, 132;
    
    --gradient-theme: linear-gradient(135deg, var(--theme-primary) 0%, var(--theme-secondary) 100%);
}

/* theme green */
.theme-green {
    --theme-primary: #006644;
    --theme-secondary: #00A47C;
    --theme-accent: #36B37E;
    --theme-success: #36B37E;
    --theme-warning: #FFAB00;
    --theme-error: #DE350B;
    --theme-dark: #0A291F;
    --theme-light: #F2F9F7;
    --theme-white: #FFFFFF;
    
    --theme-primary-rgb: 0, 102, 68;
    --theme-secondary-rgb: 0, 164, 124;
    
    --gradient-theme: linear-gradient(135deg, var(--theme-primary) 0%, var(--theme-secondary) 100%);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-weight: 400;
    line-height: 1.6;
    color: var(--theme-dark);
    background: var(--theme-white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--theme-dark);
    line-height: 1.2;
}

/* Bootstrap 占位符图片样式 */
.bd-placeholder-img {
    font-size: 1.125rem;
    text-anchor: middle;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
}

@media (min-width: 768px) {
    .bd-placeholder-img-lg {
        font-size: 3.5rem;
    }
}

/* Bootstrap 示例分隔线 */
.b-example-divider {
    width: 100%;
    height: 3rem;
    background-color: rgba(0, 0, 0, .1);
    border: solid rgba(0, 0, 0, .15);
    border-width: 1px 0;
    box-shadow: inset 0 .5em 1.5em rgba(0, 0, 0, .1), inset 0 .125em .5em rgba(0, 0, 0, .15);
}

.b-example-vr {
    flex-shrink: 0;
    width: 1.5rem;
    height: 100vh;
}

/* Bootstrap Icons 样式 */
.bi {
    vertical-align: -.125em;
    fill: currentColor;
}

/* 导航滚动容器 */
.nav-scroller {
    position: relative;
    z-index: 2;
    height: 2.75rem;
    overflow-y: hidden;
}

.nav-scroller .nav {
    display: flex;
    flex-wrap: nowrap;
    padding-bottom: 1rem;
    margin-top: -1px;
    overflow-x: auto;
    text-align: center;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
}

/* Bootstrap 主题按钮 */
.btn-bd-primary {
    --bd-violet-bg: #712cf9;
    --bd-violet-rgb: 112.520718, 44.062154, 249.437846;
    --bs-btn-font-weight: 600;
    --bs-btn-color: var(--bs-white);
    --bs-btn-bg: var(--bd-violet-bg);
    --bs-btn-border-color: var(--bd-violet-bg);
    --bs-btn-hover-color: var(--bs-white);
    --bs-btn-hover-bg: #6528e0;
    --bs-btn-hover-border-color: #6528e0;
    --bs-btn-focus-shadow-rgb: var(--bd-violet-rgb);
    --bs-btn-active-color: var(--bs-btn-hover-color);
    --bs-btn-active-bg: #5a23c8;
    --bs-btn-active-border-color: #5a23c8;
}

/* 模式切换样式 */
.bd-mode-toggle {
    z-index: 1500;
}

.bd-mode-toggle .dropdown-menu .active .bi {
    display: block !important;
}

/* 面包屑导航 */
.breadcrumb-modern {
    display: flex;
    align-items: center;
    padding: 0.75rem 0;
    font-size: 0.875rem;
}

.breadcrumb-link {
    color: var(--theme-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb-link:hover {
    color: var(--theme-secondary);
}

.breadcrumb-separator {
    margin: 0 0.5rem;
    color: #6c757d;
}

.breadcrumb-active {
    color: #6c757d;
}

/* theme-switcher */
.theme-switcher {
    position: fixed;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    z-index: 1000;
    background: var(--theme-white);
    border-radius: 8px 0 0 8px;
    box-shadow: var(--shadow-medium);
    padding: 0.5rem;
}

.theme-btn {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    margin: 0.25rem;
    border: none;
    cursor: pointer;
    transition: transform 0.3s ease;
}

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

.theme-blue {
    background: linear-gradient(135deg, #0052CC, #00A3BF);
}

.theme-purple-btn {
    background: linear-gradient(135deg, #8B2BE2, #C13584);
}

.theme-green-btn {
    background: linear-gradient(135deg, #006644, #00A47C);
}

/* global navigation */
.global-nav {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(9, 30, 66, 0.08);
    padding: 1rem 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
}

.global-nav.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-soft);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--theme-dark);
    text-decoration: none;
}

.nav-brand::before {
    content: '🌐';
    font-size: 1.25rem;
}

.nav-link {
    color: var(--theme-dark);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--theme-primary);
    background: rgba(0, 82, 204, 0.04);
}

/* lang-switcher */
.lang-switcher {
    margin-left: 1rem;
}

.lang-btn {
    background: transparent;
    border: none;
    color: var(--theme-dark);
    font-weight: 500;
    padding: 0.5rem;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.lang-btn:hover, .lang-btn.active {
    color: var(--theme-primary);
    background: rgba(0, 82, 204, 0.04);
}

/* 轮播图样式 */
.carousel-modern {
    border-radius: 0 0 20px 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.carousel-item {
    height: 600px;
    position: relative;
}

.carousel-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.3) 100%);
    z-index: 1;
}

.carousel-item img {
    object-fit: cover;
    height: 100%;
    width: 100%;
}

.carousel-caption-modern {
    position: absolute;
    right: auto;
    bottom: auto;
    left: 10%;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    text-align: left;
    max-width: 600px;
}

.carousel-caption-modern h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: white;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.carousel-caption-modern h2 {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 0.75rem;
    color: white;
    display: flex;
    align-items: center;
}

.carousel-caption-modern .bi-arrow-right-circle-fill {
    color: var(--theme-primary);
    margin-right: 10px;
    font-size: 1.25rem;
}

.carousel-indicators-modern button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin: 0 5px;
    background-color: rgba(255,255,255,0.5);
    border: none;
}

.carousel-indicators-modern button.active {
    background-color: white;
}

.carousel-control-prev-modern,
.carousel-control-next-modern {
    width: 50px;
    height: 50px;
    background-color: rgba(255,255,255,0.2);
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.7;
    transition: all 0.3s ease;
}

.carousel-control-prev-modern:hover,
.carousel-control-next-modern:hover {
    opacity: 1;
    background-color: rgba(255,255,255,0.3);
}

/* global-hero*/
.global-hero {
    background: 
        radial-gradient(circle at 20% 80%, rgba(0, 82, 204, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 163, 191, 0.08) 0%, transparent 50%),
        linear-gradient(135deg, var(--theme-white) 0%, var(--theme-light) 100%);
    padding: 8rem 0 4rem;
    position: relative;
    overflow: hidden;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--gradient-theme);
    color: white;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    background: linear-gradient(135deg, var(--theme-dark) 0%, var(--theme-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--theme-dark);
    line-height: 1.6;
    margin-bottom: 2rem;
    max-width: 600px;
}

/* 背景色样式 */
.bg-body-tertiary {
    background-color: #f8f9fa !important;
    border-radius: 20px;
}

/* 营销内容样式 */
.marketing-modern {
    padding: 5rem 0;
}

.top-quote-modern {
    text-align: center;
    margin-bottom: 4rem;
    padding: 0 1rem;
}

.top-quote-modern h1 {
    font-size: 2.5rem;
    font-weight: 300;
    line-height: 1.3;
    color: var(--theme-secondary);
}

.top-quote-modern h1 strong {
    font-weight: 700;
    color: var(--theme-primary);
}

/* 特性卡片样式 */
.feature-card {
    text-align: center;
    padding: 2rem 1rem;
    transition: transform 0.3s ease;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.icon-wrapper-modern {
    display: inline-block;
    margin-bottom: 1.5rem;
    position: relative;
}

.icon-big-modern {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-theme);
    color: white;
    font-size: 3rem;
    transition: all 0.3s ease;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.feature-card:hover .icon-big-modern {
    transform: scale(1.1);
    box-shadow: 0 15px 30px rgba(0,0,0,0.2);
}

.ch-info-modern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    opacity: 0;
    background: var(--gradient-theme);
    display: flex;
    align-items: center;
    justify-content: center;
    transform: scale(0);
    transition: all 0.3s ease;
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
}

.icon-wrapper-modern:hover .ch-info-modern {
    opacity: 1;
    transform: scale(1);
}

.feature-card h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--theme-secondary);
}

.feature-card p {
    color: #6c757d;
    line-height: 1.6;
}

/* 模块特性样式 */
.featurette-modern {
    padding: 4rem 0;
    align-items: center;
}

.featurette-divider-modern {
    margin: 4rem 0;
    border-top: 1px solid #e9ecef;
}

.featurette-heading-modern {
    font-size: 2.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--theme-secondary);
    display: flex;
    align-items: center;
}

.icon-medium-modern {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-theme);
    color: white;
    font-size: 1.5rem;
    margin-right: 15px;
}

.featurette-modern p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #6c757d;
    margin-bottom: 1.5rem;
}

.icons-list-modern {
    list-style: none;
    padding-left: 0;
}

.icons-list-modern li {
    display: flex;
    align-items: center;
    margin-bottom: 0.75rem;
    font-size: 1.05rem;
}

.icons-list-modern .bi-circle-fill {
    color: var(--theme-primary);
    font-size: 0.5rem;
    margin-right: 10px;
}

.featurette-image-modern {
    border-radius: 12px;
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.featurette-image-modern:hover {
    transform: translateY(-5px);
}

/* solution-card */
.solution-card {
    background: var(--theme-white);
    border: 1px solid rgba(9, 30, 66, 0.08);
    border-radius: 16px;
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
    overflow: hidden;
    height: 100%;
}

.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-strong);
    border-color: rgba(0, 82, 204, 0.2);
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-theme);
    z-index: 2;
}

.solution-content {
    padding: 2rem;
}

.solution-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-theme);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--theme-white);
    font-size: 1.5rem;
}

.solution-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--theme-dark);
    margin-bottom: 1rem;
}

/* global-metrics */
.global-metrics {
    background: var(--theme-dark);
    color: var(--theme-white);
    padding: 4rem 0;
}

.metric-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-theme);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.metric-label {
    color: var(--theme-white);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.875rem;
}

/* btn-global */
.btn-global {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--gradient-theme);
    color: var(--theme-white);
    text-decoration: none;
    padding: 12px 32px;
    border-radius: 8px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-global:hover {
    transform: translateY(-1px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    color: var(--theme-white);
    text-decoration: none;
}

/* card-modern */
.card-modern {
    border: none;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
}

.card-modern:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.12);
}

.card-image-container {
    overflow: hidden;
    position: relative;
}

.card-image-container img {
    transition: transform 0.3s ease;
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.card-modern:hover .card-image-container img {
    transform: scale(1.05);
}

.card-body {
    padding: 2rem;
}

.card-title {
    color: var(--theme-secondary);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.card-text {
    color: #6c757d;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.card-footer-modern {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid #f1f3f4;
}

/* 服务卡片样式 */
.service-card {
    background: white;
    border-radius: 12px;
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid #f1f3f4;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    border-color: var(--theme-primary);
}

.service-icon {
    width: 80px;
    height: 80px;
    border-radius: 16px;
    background: var(--gradient-theme);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    transition: all 0.3s ease;
}

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

.service-title {
    color: var(--theme-secondary);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.service-description {
    color: #6c757d;
    line-height: 1.6;
    margin: 0;
}

/* 横向服务卡片 */
.service-card-horizontal {
    background: white;
    border-radius: 12px;
    transition: all 0.3s ease;
    border: 1px solid #f1f3f4;
    height: 100%;
}

.service-card-horizontal:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
    border-color: var(--theme-primary);
}

.service-card-horizontal .service-icon {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
    margin: 0;
    flex-shrink: 0;
}

/* 技术支持卡片 */
.support-card {
    background: white;
    border-radius: 12px;
    transition: all 0.3s ease;
    border: 1px solid #f1f3f4;
    height: 100%;
}

.support-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
    border-color: var(--theme-primary);
}

.support-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background: var(--gradient-theme);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.support-card:hover .support-icon {
    transform: scale(1.1);
}

.support-title {
    color: var(--theme-secondary);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.support-description {
    color: #6c757d;
    line-height: 1.5;
    font-size: 0.9rem;
    margin: 0;
}

/* 资源元数据 */
.resource-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid #f1f3f4;
}

.badge {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
}

/* 合作伙伴标签 */
.partner-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* 合作伙伴价值项 */
.partner-value-item {
    text-align: center;
    padding: 1rem;
}

.value-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background: var(--gradient-theme);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.partner-value-item:hover .value-icon {
    transform: scale(1.1);
}

.partner-value-item h5 {
    color: var(--theme-secondary);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.partner-value-item p {
    color: #6c757d;
    line-height: 1.5;
    margin: 0;
}

/* 资源分类 */
.resource-category {
    text-align: center;
    padding: 1rem 0.5rem;
    transition: all 0.3s ease;
    border-radius: 8px;
}

.resource-category:hover {
    background-color: #f8f9fa;
    transform: translateY(-2px);
}

.category-icon {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    background: var(--gradient-theme);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    font-size: 1.25rem;
    transition: all 0.3s ease;
}

.resource-category:hover .category-icon {
    transform: scale(1.1);
}

.resource-category h6 {
    color: var(--theme-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.resource-category p {
    color: #6c757d;
    font-size: 0.8rem;
    margin: 0;
}

/* 链接按钮 */
.btn-link {
    color: var(--theme-primary);
    text-decoration: none;
}

.btn-link:hover {
    color: var(--theme-secondary);
}

/* 验证码容器 */
.captcha-image-container {
    border: 1px solid #e1e5e9;
    border-radius: 8px;
    padding: 8px;
    background: #f8f9fa;
    display: inline-block;
}

.captcha-image {
    border-radius: 4px;
}

/* global-footer */
.global-footer {
    background: var(--theme-dark);
    color: var(--theme-white);
    padding: 4rem 0 2rem;
}

.footer-brand {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-brand::before {
    content: '🌐';
}

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

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease-out;
}

/* form css */
.form-control {
    border: 1px solid #e1e5e9;
    border-radius: 8px;
    padding: 12px 16px;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--theme-primary);
    box-shadow: 0 0 0 3px rgba(var(--theme-primary-rgb), 0.1);
}

.form-text {
    font-size: 0.875rem;
    color: #6c757d;
}

/* 表单验证样式 */
.was-validated .form-control:valid {
    border-color: #198754;
    padding-right: calc(1.5em + 0.75rem);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%23198754' d='M2.3 6.73L.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.was-validated .form-control:invalid {
    border-color: #dc3545;
    padding-right: calc(1.5em + 0.75rem);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath d='M5.8 3.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23dc3545' stroke='none'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

/* page choose */
.page {
    display: none;
}

.page.active {
    display: block;
}

/* 图片容器样式 */
.hero-image-container {
    max-width: 800px;
    margin: 0 auto;
}

.hero-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.mission-image-container {
    max-width: 700px;
    margin: 0 auto;
}

.mission-image {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.profile-image-container {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.profile-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.profile-image-container:hover .profile-image {
    transform: scale(1.05);
}

.vision-image-container {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.vision-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.vision-image-container:hover .vision-image {
    transform: scale(1.05);
}

/* 成就数据样式 */
.achievement-item {
    text-align: center;
    padding: 1.5rem 1rem;
    transition: all 0.3s ease;
    border-radius: 8px;
}

.achievement-item:hover {
    background-color: #f8f9fa;
    transform: translateY(-3px);
}

.achievement-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--theme-primary);
    margin-bottom: 0.5rem;
    line-height: 1;
}

.achievement-label {
    font-size: 1rem;
    color: var(--theme-secondary);
    font-weight: 500;
}

/* 文本样式优化 */
.lead {
    font-size: 1.2rem;
    line-height: 1.6;
    color: #6c757d;
}

.text-muted {
    color: #6c757d !important;
}

/* 网格布局优化 */
.row.g-5 > [class*="col-"] {
    margin-bottom: 1rem;
}

.row.g-4 > [class*="col-"] {
    margin-bottom: 1.5rem;
}

.row.g-4 .col-lg-6 {
    margin-bottom: 1.5rem;
}

.row-cols-lg-3 .col {
    margin-bottom: 1.5rem;
}

/* 特殊卡片样式 */
.card-modern .rounded-start {
    border-radius: 12px 0 0 12px !important;
}

/* responsive design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .solution-content {
        padding: 1.5rem;
    }
    
    .metric-number {
        font-size: 2rem;
    }
    
    .card-body {
        padding: 2rem !important;
    }
    
    .row .col-md-6 {
        margin-bottom: 1rem;
    }
    
    .hero-image {
        height: 300px;
    }
    
    .mission-image {
        height: 300px;
    }
    
    .profile-image {
        height: 300px;
    }
    
    .vision-image {
        height: 300px;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .display-5, .display-6 {
        font-size: 2rem;
    }
    
    .achievement-number {
        font-size: 2rem;
    }
    
    .achievement-label {
        font-size: 0.9rem;
    }
    
    /* 面包屑响应式 */
    .breadcrumb-modern {
        font-size: 0.8rem;
    }
    
    /* 卡片响应式调整 */
    .card-modern .row {
        flex-direction: column;
    }
    
    .card-modern .col-md-4 {
        width: 100%;
    }
    
    .card-image-container img {
        height: 200px;
    }
    
    .card-body {
        padding: 1.25rem;
    }
    
    .card-title {
        font-size: 1.25rem;
    }
    
    .card-modern .rounded-start {
        border-radius: 12px 12px 0 0 !important;
    }
    
    /* 合作伙伴标签响应式 */
    .partner-tags {
        justify-content: center;
    }
    
    /* 轮播图响应式调整 */
    .carousel-item {
        height: 400px;
    }
    
    .carousel-caption-modern {
        left: 5%;
        right: 5%;
        top: 50%;
        transform: translateY(-50%);
    }
    
    .carousel-caption-modern h1 {
        font-size: 2rem;
    }
    
    .carousel-caption-modern h2 {
        font-size: 1.2rem;
    }
    
    .top-quote-modern h1 {
        font-size: 1.8rem;
    }
    
    .featurette-heading-modern {
        font-size: 1.8rem;
    }
    
    .icon-medium-modern {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
        margin-right: 10px;
    }
    
    /* 资源元数据响应式 */
    .resource-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    /* 服务卡片响应式 */
    .service-card-horizontal {
        flex-direction: column;
        text-align: center;
    }
    
    .service-card-horizontal .service-icon {
        margin-bottom: 1rem;
    }
    
    .service-title {
        font-size: 1.1rem;
    }
    
    .support-title {
        font-size: 1rem;
    }
}
    --bs-btn-border-color: var(--bd-violet-bg);
    --bs-btn-hover-color: var(--bs-white);
    --bs-btn-hover-bg: #6528e0;
    --bs-btn-hover-border-color: #6528e0;
    --bs-btn-focus-shadow-rgb: var(--bd-violet-rgb);
    --bs-btn-active-color: var(--bs-btn-hover-color);
    --bs-btn-active-bg: #5a23c8;
    --bs-btn-active-border-color: #5a23c8;
}

/* 模式切换样式 */
.bd-mode-toggle {
    z-index: 1500;
}

.bd-mode-toggle .dropdown-menu .active .bi {
    display: block !important;
}

/* theme-switcher */
.theme-switcher {
    position: fixed;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    z-index: 1000;
    background: var(--theme-white);
    border-radius: 8px 0 0 8px;
    box-shadow: var(--shadow-medium);
    padding: 0.5rem;
}

.theme-btn {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    margin: 0.25rem;
    border: none;
    cursor: pointer;
    transition: transform 0.3s ease;
}

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

.theme-blue {
    background: linear-gradient(135deg, #0052CC, #00A3BF);
}

.theme-purple-btn {
    background: linear-gradient(135deg, #8B2BE2, #C13584);
}

.theme-green-btn {
    background: linear-gradient(135deg, #006644, #00A47C);
}

/* global navigation */
.global-nav {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(9, 30, 66, 0.08);
    padding: 1rem 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
}

.global-nav.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-soft);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--theme-dark);
    text-decoration: none;
}

.nav-brand::before {
    content: '🌐';
    font-size: 1.25rem;
}

.nav-link {
    color: var(--theme-dark);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--theme-primary);
    background: rgba(0, 82, 204, 0.04);
}

/* lang-switcher */
.lang-switcher {
    margin-left: 1rem;
}

.lang-btn {
    background: transparent;
    border: none;
    color: var(--theme-dark);
    font-weight: 500;
    padding: 0.5rem;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.lang-btn:hover, .lang-btn.active {
    color: var(--theme-primary);
    background: rgba(0, 82, 204, 0.04);
}

/* 轮播图样式 */
.carousel-modern {
    border-radius: 0 0 20px 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.carousel-item {
    height: 600px;
    position: relative;
}

.carousel-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.3) 100%);
    z-index: 1;
}

.carousel-item img {
    object-fit: cover;
    height: 100%;
    width: 100%;
}

.carousel-caption-modern {
    position: absolute;
    right: auto;
    bottom: auto;
    left: 10%;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    text-align: left;
    max-width: 600px;
}

.carousel-caption-modern h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: white;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.carousel-caption-modern h2 {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 0.75rem;
    color: white;
    display: flex;
    align-items: center;
}

.carousel-caption-modern .bi-arrow-right-circle-fill {
    color: var(--theme-primary);
    margin-right: 10px;
    font-size: 1.25rem;
}

.carousel-indicators-modern button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin: 0 5px;
    background-color: rgba(255,255,255,0.5);
    border: none;
}

.carousel-indicators-modern button.active {
    background-color: white;
}

.carousel-control-prev-modern,
.carousel-control-next-modern {
    width: 50px;
    height: 50px;
    background-color: rgba(255,255,255,0.2);
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.7;
    transition: all 0.3s ease;
}

.carousel-control-prev-modern:hover,
.carousel-control-next-modern:hover {
    opacity: 1;
    background-color: rgba(255,255,255,0.3);
}

/* global-hero*/
.global-hero {
    background: 
        radial-gradient(circle at 20% 80%, rgba(0, 82, 204, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 163, 191, 0.08) 0%, transparent 50%),
        linear-gradient(135deg, var(--theme-white) 0%, var(--theme-light) 100%);
    padding: 8rem 0 4rem;
    position: relative;
    overflow: hidden;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--gradient-theme);
    color: white;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    background: linear-gradient(135deg, var(--theme-dark) 0%, var(--theme-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--theme-dark);
    line-height: 1.6;
    margin-bottom: 2rem;
    max-width: 600px;
}

/* 背景色样式 */
.bg-body-tertiary {
    background-color: #f8f9fa !important;
    border-radius: 20px;
}

/* 营销内容样式 */
.marketing-modern {
    padding: 5rem 0;
}

.top-quote-modern {
    text-align: center;
    margin-bottom: 4rem;
    padding: 0 1rem;
}

.top-quote-modern h1 {
    font-size: 2.5rem;
    font-weight: 300;
    line-height: 1.3;
    color: var(--theme-secondary);
}

.top-quote-modern h1 strong {
    font-weight: 700;
    color: var(--theme-primary);
}

/* 特性卡片样式 */
.feature-card {
    text-align: center;
    padding: 2rem 1rem;
    transition: transform 0.3s ease;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.icon-wrapper-modern {
    display: inline-block;
    margin-bottom: 1.5rem;
    position: relative;
}

.icon-big-modern {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-theme);
    color: white;
    font-size: 3rem;
    transition: all 0.3s ease;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.feature-card:hover .icon-big-modern {
    transform: scale(1.1);
    box-shadow: 0 15px 30px rgba(0,0,0,0.2);
}

.ch-info-modern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    opacity: 0;
    background: var(--gradient-theme);
    display: flex;
    align-items: center;
    justify-content: center;
    transform: scale(0);
    transition: all 0.3s ease;
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
}

.icon-wrapper-modern:hover .ch-info-modern {
    opacity: 1;
    transform: scale(1);
}

.feature-card h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--theme-secondary);
}

.feature-card p {
    color: #6c757d;
    line-height: 1.6;
}

/* 模块特性样式 */
.featurette-modern {
    padding: 4rem 0;
    align-items: center;
}

.featurette-divider-modern {
    margin: 4rem 0;
    border-top: 1px solid #e9ecef;
}

.featurette-heading-modern {
    font-size: 2.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--theme-secondary);
    display: flex;
    align-items: center;
}

.icon-medium-modern {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-theme);
    color: white;
    font-size: 1.5rem;
    margin-right: 15px;
}

.featurette-modern p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #6c757d;
    margin-bottom: 1.5rem;
}

.icons-list-modern {
    list-style: none;
    padding-left: 0;
}

.icons-list-modern li {
    display: flex;
    align-items: center;
    margin-bottom: 0.75rem;
    font-size: 1.05rem;
}

.icons-list-modern .bi-circle-fill {
    color: var(--theme-primary);
    font-size: 0.5rem;
    margin-right: 10px;
}

.featurette-image-modern {
    border-radius: 12px;
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.featurette-image-modern:hover {
    transform: translateY(-5px);
}

/* solution-card */
.solution-card {
    background: var(--theme-white);
    border: 1px solid rgba(9, 30, 66, 0.08);
    border-radius: 16px;
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
    overflow: hidden;
    height: 100%;
}

.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-strong);
    border-color: rgba(0, 82, 204, 0.2);
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-theme);
    z-index: 2;
}

.solution-content {
    padding: 2rem;
}

.solution-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-theme);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--theme-white);
    font-size: 1.5rem;
}

.solution-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--theme-dark);
    margin-bottom: 1rem;
}

/* global-metrics */
.global-metrics {
    background: var(--theme-dark);
    color: var(--theme-white);
    padding: 4rem 0;
}

.metric-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-theme);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.metric-label {
    color: var(--theme-white);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.875rem;
}

/* btn-global */
.btn-global {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--gradient-theme);
    color: var(--theme-white);
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-global:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    color: var(--theme-white);
    text-decoration: none;
}

/* card-modern */
.card-modern {
    background: var(--theme-white);
    border: none;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    overflow: hidden;
}

.card-modern:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.12);
}

.card-image-container {
    overflow: hidden;
    position: relative;
}

.card-image-container img {
    transition: transform 0.3s ease;
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.card-modern:hover .card-image-container img {
    transform: scale(1.05);
}

.card-body {
    padding: 2rem;
}

.card-title {
    color: var(--theme-secondary);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.card-text {
    color: #6c757d;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.card-footer-modern {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid #f1f3f4;
}

/* 服务卡片样式 */
.service-card {
    background: white;
    border-radius: 12px;
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid #f1f3f4;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    border-color: var(--theme-primary);
}

.service-icon {
    width: 80px;
    height: 80px;
    border-radius: 16px;
    background: var(--gradient-theme);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    transition: all 0.3s ease;
}

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

.service-title {
    color: var(--theme-secondary);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.service-description {
    color: #6c757d;
    line-height: 1.6;
    margin: 0;
}

/* 横向服务卡片 */
.service-card-horizontal {
    background: white;
    border-radius: 12px;
    transition: all 0.3s ease;
    border: 1px solid #f1f3f4;
    height: 100%;
}

.service-card-horizontal:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
    border-color: var(--theme-primary);
}

.service-card-horizontal .service-icon {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
    margin: 0;
    flex-shrink: 0;
}

/* 技术支持卡片 */
.support-card {
    background: white;
    border-radius: 12px;
    transition: all 0.3s ease;
    border: 1px solid #f1f3f4;
    height: 100%;
}

.support-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
    border-color: var(--theme-primary);
}

.support-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background: var(--gradient-theme);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.support-card:hover .support-icon {
    transform: scale(1.1);
}

.support-title {
    color: var(--theme-secondary);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.support-description {
    color: #6c757d;
    line-height: 1.5;
    font-size: 0.9rem;
    margin: 0;
}

/* 资源元数据 */
.resource-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid #f1f3f4;
}

.badge {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
}

/* 合作伙伴标签 */
.partner-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* 合作伙伴价值项 */
.partner-value-item {
    text-align: center;
    padding: 1rem;
}

.value-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background: var(--gradient-theme);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.partner-value-item:hover .value-icon {
    transform: scale(1.1);
}

.partner-value-item h5 {
    color: var(--theme-secondary);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.partner-value-item p {
    color: #6c757d;
    line-height: 1.5;
    margin: 0;
}

/* 资源分类 */
.resource-category {
    text-align: center;
    padding: 1rem 0.5rem;
    transition: all 0.3s ease;
    border-radius: 8px;
}

.resource-category:hover {
    background-color: #f8f9fa;
    transform: translateY(-2px);
}

.category-icon {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    background: var(--gradient-theme);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    font-size: 1.25rem;
    transition: all 0.3s ease;
}

.resource-category:hover .category-icon {
    transform: scale(1.1);
}

.resource-category h6 {
    color: var(--theme-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.resource-category p {
    color: #6c757d;
    font-size: 0.8rem;
    margin: 0;
}

/* global-footer */
.global-footer {
    background: var(--theme-dark);
    color: var(--theme-white);
    padding: 4rem 0 2rem;
}

.footer-brand {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-brand::before {
    content: '🌐';
}

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

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease-out;
}

/* form css */
.form-control {
    border-radius: 8px;
    border: 1px solid rgba(9, 30, 66, 0.1);
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--theme-primary);
    box-shadow: 0 0 0 3px rgba(0, 82, 204, 0.1);
}

.form-text {
    font-size: 0.875rem;
    color: #6c757d;
}

/* 表单验证样式 */
.was-validated .form-control:valid {
    border-color: #198754;
    padding-right: calc(1.5em + 0.75rem);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%23198754' d='M2.3 6.73L.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.was-validated .form-control:invalid {
    border-color: #dc3545;
    padding-right: calc(1.5em + 0.75rem);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath d='M5.8 3.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23dc3545' stroke='none'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

/* page choose */
.page {
    display: none;
}

.page.active {
    display: block;
}

/* 图片容器样式 */
.hero-image-container {
    max-width: 800px;
    margin: 0 auto;
}

.hero-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.mission-image-container {
    max-width: 700px;
    margin: 0 auto;
}

.mission-image {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.profile-image-container {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.profile-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.profile-image-container:hover .profile-image {
    transform: scale(1.05);
}

.vision-image-container {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.vision-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.vision-image-container:hover .vision-image {
    transform: scale(1.05);
}

/* 成就数据样式 */
.achievement-item {
    text-align: center;
    padding: 1.5rem 1rem;
    transition: all 0.3s ease;
    border-radius: 8px;
}

.achievement-item:hover {
    background-color: #f8f9fa;
    transform: translateY(-3px);
}

.achievement-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--theme-primary);
    margin-bottom: 0.5rem;
    line-height: 1;
}

.achievement-label {
    font-size: 1rem;
    color: var(--theme-secondary);
    font-weight: 500;
}

/* 文本样式优化 */
.lead {
    font-size: 1.2rem;
    line-height: 1.6;
    color: #6c757d;
}

.text-muted {
    color: #6c757d !important;
}

/* 网格布局优化 */
.row.g-5 > [class*="col-"] {
    margin-bottom: 1rem;
}

.row.g-4 > [class*="col-"] {
    margin-bottom: 1.5rem;
}

.row.g-4 .col-lg-6 {
    margin-bottom: 1.5rem;
}

.row-cols-lg-3 .col {
    margin-bottom: 1.5rem;
}

/* 特殊卡片样式 */
.card-modern .rounded-start {
    border-radius: 12px 0 0 12px !important;
}

/* responsive design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .solution-content {
        padding: 1.5rem;
    }
    
    .metric-number {
        font-size: 2rem;
    }
    
    .card-body {
        padding: 1.5rem;
    }
    
    .row .col-md-6 {
        margin-bottom: 1rem;
    }
    
    .hero-image {
        height: 300px;
    }
    
    .mission-image {
        height: 300px;
    }
    
    .profile-image {
        height: 300px;
    }
    
    .vision-image {
        height: 300px;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .display-5, .display-6 {
        font-size: 2rem;
    }
    
    .achievement-number {
        font-size: 2rem;
    }
    
    .achievement-label {
        font-size: 0.9rem;
    }
    
    /* 卡片响应式调整 */
    .card-modern .row {
        flex-direction: column;
    }
    
    .card-modern .col-md-4 {
        width: 100%;
    }
    
    .card-image-container img {
        height: 200px;
    }
    
    .card-body {
        padding: 1.25rem;
    }
    
    .card-title {
        font-size: 1.25rem;
    }
    
    .card-modern .rounded-start {
        border-radius: 12px 12px 0 0 !important;
    }
    
    /* 合作伙伴标签响应式 */
    .partner-tags {
        justify-content: center;
    }
    
    /* 轮播图响应式调整 */
    .carousel-item {
        height: 400px;
    }
    
    .carousel-caption-modern {
        left: 5%;
        right: 5%;
        top: 50%;
        transform: translateY(-50%);
    }
    
    .carousel-caption-modern h1 {
        font-size: 2rem;
    }
    
    .carousel-caption-modern h2 {
        font-size: 1.2rem;
    }
    
    .top-quote-modern h1 {
        font-size: 1.8rem;
    }
    
    .featurette-heading-modern {
        font-size: 1.8rem;
    }
    
    .icon-medium-modern {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
        margin-right: 10px;
    }
    
    /* 资源元数据响应式 */
    .resource-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    /* 服务卡片响应式 */
    .service-card-horizontal {
        flex-direction: column;
        text-align: center;
    }
    
    .service-card-horizontal .service-icon {
        margin-bottom: 1rem;
    }
    
    .service-title {
        font-size: 1.1rem;
    }
    
    .support-title {
        font-size: 1rem;
    }
}