/* ==========================================
   阳江海钰科技有限公司 - 公司网站主样式
   基于 Bootstrap 5 定制覆盖
   ========================================== */

/* === 主题色变量 === */
:root {
    --primary: #1a56db;
    --primary-dark: #0f3b8c;
    --primary-light: #3b82f6;
    --primary-gradient: linear-gradient(135deg, #1a56db 0%, #0f3b8c 100%);
    --accent: #f59e0b;
    --accent-light: #fbbf24;
    --bg-dark: #0f172a;
    --bg-darker: #020617;
    --bg-light: #f1f5f9;
    --bg-white: #ffffff;
    --text-dark: #1e293b;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
    --radius: 16px;
    --radius-sm: 10px;
    --radius-xs: 6px;
    --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
}

/* === 全局重置 === */
*, *::before, *::after {
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    color: var(--text-dark);
    line-height: 1.7;
    overflow-x: hidden;
    background: var(--bg-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

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

::selection {
    background: var(--primary);
    color: #fff;
}

/* ==========================================
   导航栏
   ========================================== */
.site-header {
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
    position: sticky;
    top: 0;
    z-index: 1030;
    transition: var(--transition);
    border-bottom: 1px solid rgba(0,0,0,0.04);
}

.site-header.scrolled {
    box-shadow: 0 4px 30px rgba(0,0,0,0.08);
}

.site-header .navbar {
    padding: 0;
    min-height: 72px;
}

.site-header .navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
}

.site-header .navbar-brand img {
    height: 42px;
    width: auto;
    border-radius: 8px;
    transition: var(--transition);
}

.brand-text {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: 0.3px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.site-header .nav-link {
    padding: 26px 18px !important;
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-dark) !important;
    position: relative;
    transition: var(--transition);
    letter-spacing: 0.3px;
    opacity: 0.8;
}

.site-header .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 50%;
    height: 3px;
    background: var(--primary-gradient);
    border-radius: 2px;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.site-header .nav-link:hover {
    color: var(--primary) !important;
    opacity: 1;
}

.site-header .nav-link:hover::after {
    transform: translateX(-50%) scaleX(1);
}

.site-header .nav-link.active {
    color: var(--primary) !important;
    opacity: 1;
}

.site-header .nav-link.active::after {
    transform: translateX(-50%) scaleX(1);
}

.navbar-toggler {
    border: none;
    padding: 8px;
    border-radius: 8px;
}

.navbar-toggler:focus {
    box-shadow: none;
}

/* ==========================================
   首页 - 英雄区
   ========================================== */
.hero-section {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    background: var(--bg-dark);
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 60% at 10% 50%, rgba(26, 86, 219, 0.15) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 90% 30%, rgba(245, 158, 11, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse 50% 50% at 50% 100%, rgba(15, 59, 140, 0.2) 0%, transparent 50%);
    z-index: 1;
}

.hero-section::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    z-index: 1;
}

.hero-section .container {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 720px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 50px;
    color: var(--accent-light);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 28px;
    backdrop-filter: blur(10px);
}

.hero-badge i {
    font-size: 0.75rem;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    color: #fff;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.hero-content h1 .highlight {
    background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content .hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.7);
    line-height: 1.8;
    margin-bottom: 36px;
    max-width: 580px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-actions .btn {
    padding: 14px 36px;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 50px;
}

.hero-actions .btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 4px 20px rgba(26, 86, 219, 0.3);
}

.hero-actions .btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(26, 86, 219, 0.4);
}

.hero-actions .btn-outline-light {
    border: 2px solid rgba(255,255,255,0.3);
    color: #fff;
}

.hero-actions .btn-outline-light:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.5);
    transform: translateY(-2px);
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 50px;
    padding-top: 36px;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.hero-stat {
    text-align: left;
}

.hero-stat .stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: #fff;
    line-height: 1;
    margin-bottom: 4px;
}

.hero-stat .stat-label {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.5);
}

/* 旧的轮播图样式保留兼容 */
.hero-carousel {
    position: relative;
}

.hero-carousel .carousel-item {
    height: 600px;
    background: var(--bg-dark);
    overflow: hidden;
}

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

.hero-carousel .carousel-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.2), rgba(0,0,0,0.7));
}

.hero-placeholder {
    height: 100%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-placeholder h1 {
    font-size: 3rem;
    font-weight: 800;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.hero-placeholder .lead {
    font-size: 1.3rem;
    opacity: 0.9;
}

/* ==========================================
   通用区块
   ========================================== */
.section {
    padding: 100px 0;
    position: relative;
}

.section-alt {
    background: var(--bg-light);
}

.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-dark);
    position: relative;
    line-height: 1.3;
    letter-spacing: -0.3px;
}

.section-title .highlight {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--primary-gradient);
    margin-top: 14px;
    border-radius: 2px;
}

.section-title.text-center::after {
    margin: 14px auto 0;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 48px;
    line-height: 1.7;
}

/* ==========================================
   首页 - 公司简介摘要
   ========================================== */
.section-about {
    background: var(--bg-white);
    overflow: hidden;
}

.section-about .about-text {
    font-size: 1.05rem;
    line-height: 2;
    color: var(--text-muted);
    margin-bottom: 28px;
}

.section-about .about-image-wrapper {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.section-about .about-image-wrapper::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26, 86, 219, 0.2), rgba(15, 59, 140, 0.4));
    z-index: 1;
    border-radius: var(--radius);
}

.section-about .about-image-wrapper img {
    width: 100%;
    height: 450px;
    object-fit: cover;
    transition: transform 0.6s ease;
    display: block;
}

.section-about .about-image-wrapper:hover img {
    transform: scale(1.05);
}

.about-image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px;
    background: linear-gradient(transparent, rgba(0,0,0,0.7));
    z-index: 2;
    color: #fff;
}

.about-image-overlay h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.about-image-overlay p {
    font-size: 0.9rem;
    opacity: 0.8;
    margin: 0;
}

/* ==========================================
   首页 - 解决方案卡片
   ========================================== */
.section-solutions {
    background: var(--bg-light);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
}

.solution-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    padding: 36px 32px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(0,0,0,0.04);
    position: relative;
    overflow: hidden;
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

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

.solution-card-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 22px;
    color: #fff;
    font-size: 1.5rem;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(26, 86, 219, 0.2);
}

.solution-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.solution-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
    flex: 1;
    margin-bottom: 20px;
}

.solution-card .btn {
    align-self: flex-start;
    margin-top: auto;
}

/* ==========================================
   首页 - CTA 区域
   ========================================== */
.section-cta {
    background: var(--bg-dark);
    color: #fff;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.section-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(26, 86, 219, 0.12), transparent 70%);
    border-radius: 50%;
}

.section-cta::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.06), transparent 70%);
    border-radius: 50%;
}

.section-cta h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.section-cta .lead {
    font-size: 1.15rem;
    opacity: 0.8;
    position: relative;
    z-index: 1;
    max-width: 500px;
    margin: 0 auto;
}

.section-cta .cta-info {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.section-cta .cta-info-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.05rem;
    color: rgba(255,255,255,0.8);
}

.section-cta .cta-info-item i {
    font-size: 1.2rem;
    color: var(--accent);
}

.section-cta .btn-light {
    padding: 16px 48px;
    font-weight: 600;
    border-radius: 50px;
    font-size: 1.05rem;
    transition: var(--transition);
    position: relative;
    z-index: 1;
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.section-cta .btn-light:hover {
    background: var(--accent-light);
    border-color: var(--accent-light);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.3);
    color: #fff;
}

/* ==========================================
   页面横幅
   ========================================== */
.page-banner {
    background: var(--primary-gradient);
    padding: 80px 0;
    color: #fff;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: rgba(255,255,255,0.04);
    border-radius: 50%;
}

.page-banner::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 300px;
    height: 300px;
    background: rgba(255,255,255,0.03);
    border-radius: 50%;
}

.page-banner h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.page-banner .breadcrumb {
    background: transparent;
    justify-content: center;
    padding: 0;
    margin: 0;
    position: relative;
    z-index: 1;
}

.page-banner .breadcrumb-item {
    color: rgba(255,255,255,0.7);
    font-size: 0.95rem;
}

.page-banner .breadcrumb-item a {
    color: rgba(255,255,255,0.7);
    transition: var(--transition);
}

.page-banner .breadcrumb-item a:hover {
    color: #fff;
}

.page-banner .breadcrumb-item.active {
    color: #fff;
}

.breadcrumb-item + .breadcrumb-item::before {
    color: rgba(255,255,255,0.4);
}

/* ==========================================
   公司简介页
   ========================================== */
.section-about-page {
    background: var(--bg-white);
}

.section-about-page .about-image-wrapper {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.section-about-page .about-image-wrapper::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26, 86, 219, 0.15), rgba(15, 59, 140, 0.3));
    z-index: 1;
    border-radius: var(--radius);
}

.section-about-page .about-image-wrapper img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    display: block;
}

.section-about-page .about-text p {
    font-size: 1.05rem;
    line-height: 2;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.section-about-page .about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 30px;
}

.about-feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--bg-light);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.about-feature-item:hover {
    background: #e2e8f0;
    transform: translateX(4px);
}

.about-feature-item i {
    color: var(--primary);
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
}

.about-feature-item span {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-dark);
}

/* ==========================================
   解决方案列表页
   ========================================== */
.section-solutions-list {
    background: var(--bg-white);
}

.section-solutions-list .solution-card {
    overflow: hidden;
    padding: 0;
}

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

.solution-card-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(transparent, rgba(0,0,0,0.1));
}

.solution-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.solution-card-body {
    padding: 24px 28px 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.solution-card-body h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.solution-card-body p {
    font-size: 0.9rem;
    margin-bottom: 16px;
    color: var(--text-muted);
    line-height: 1.6;
}

.solution-card-body .btn {
    align-self: flex-start;
    margin-top: auto;
}

/* ==========================================
   解决方案详情页
   ========================================== */
.section-solution-detail {
    background: var(--bg-white);
}

.solution-detail-image {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.solution-detail-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26, 86, 219, 0.1), rgba(15, 59, 140, 0.2));
    z-index: 1;
    border-radius: var(--radius);
}

.solution-detail-image img {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
    border-radius: var(--radius);
    display: block;
}

.solution-detail-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
    letter-spacing: -0.3px;
}

.solution-detail-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-muted);
}

.solution-detail-content {
    font-size: 1.05rem;
    line-height: 2;
    color: var(--text-dark);
}

.solution-detail-content h3 {
    color: var(--primary);
    font-size: 1.3rem;
    font-weight: 600;
    margin-top: 32px;
    margin-bottom: 16px;
}

.solution-detail-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-top: 24px;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.solution-detail-content ul,
.solution-detail-content ol {
    padding-left: 24px;
    margin-bottom: 20px;
}

.solution-detail-content li {
    margin-bottom: 8px;
}

.solution-detail-content p {
    margin-bottom: 16px;
}

.solution-detail-content blockquote {
    border-left: 4px solid var(--primary);
    padding: 16px 20px;
    margin: 24px 0;
    background: var(--bg-light);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--text-muted);
    font-style: italic;
}

.solution-detail-content code {
    background: var(--bg-light);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.9em;
    color: var(--primary);
}

/* ==========================================
   联系页面
   ========================================== */
.section-contact {
    background: var(--bg-white);
}

.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    padding: 24px;
    background: var(--bg-light);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    border: 1px solid transparent;
}

.contact-info-item:hover {
    background: #e8f0fe;
    border-color: rgba(26, 86, 219, 0.1);
    transform: translateX(6px);
    box-shadow: var(--shadow-sm);
}

.contact-info-icon {
    width: 52px;
    height: 52px;
    background: var(--primary-gradient);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.3rem;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(26, 86, 219, 0.2);
}

.contact-info-content h5 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-info-content p {
    font-size: 1rem;
    color: var(--text-dark);
    margin: 0;
}

.contact-info-content a {
    color: var(--primary);
    font-weight: 500;
}

.contact-form {
    padding: 36px;
    background: var(--bg-light);
    border-radius: var(--radius);
    border: 1px solid rgba(0,0,0,0.04);
    box-shadow: var(--shadow-sm);
}

.contact-form .form-label {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-dark);
    margin-bottom: 6px;
}

.contact-form .form-control {
    border-radius: var(--radius-xs);
    border: 1px solid #e2e8f0;
    padding: 12px 16px;
    font-size: 0.95rem;
    transition: var(--transition);
    background: var(--bg-white);
}

.contact-form .form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(26, 86, 219, 0.1);
}

.contact-form textarea.form-control {
    min-height: 140px;
    resize: vertical;
}

.contact-form .btn-primary {
    padding: 14px 40px;
    font-weight: 600;
    border-radius: 50px;
    font-size: 1rem;
    background: var(--primary-gradient);
    border: none;
    box-shadow: 0 4px 15px rgba(26, 86, 219, 0.2);
    transition: var(--transition);
}

.contact-form .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(26, 86, 219, 0.3);
}

.contact-image-wrapper {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    position: relative;
}

.contact-image-wrapper::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26, 86, 219, 0.1), rgba(15, 59, 140, 0.2));
    z-index: 1;
    border-radius: var(--radius);
}

.contact-image-wrapper img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
}

/* 联系页面二维码（等比缩放，禁止拉伸） */
.contact-qrcode-wrapper {
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
    max-width: 280px;
    margin: 0 auto;
}

.contact-qrcode-wrapper img {
    max-width: 100%;
    height: auto;
    display: block;
    padding: 12px;
    background: #fff;
    border-radius: calc(var(--radius) - 2px);
}

/* 页面横幅背景图支持 */
/* ==========================================
   页脚
   ========================================== */
.site-footer {
    background: var(--bg-darker);
    color: rgba(255,255,255,0.7);
    padding: 70px 0 0;
    position: relative;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
}

.site-footer h5 {
    color: #fff;
    font-weight: 600;
    font-size: 1.05rem;
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 12px;
}

.site-footer h5::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 32px;
    height: 2px;
    background: var(--primary);
    border-radius: 1px;
}

.site-footer .footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.site-footer .footer-brand img {
    height: 40px;
    width: auto;
    border-radius: 6px;
}

.site-footer .footer-brand span {
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
}

.site-footer p {
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 0;
}

.footer-links,
.footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li,
.footer-contact li {
    margin-bottom: 12px;
    font-size: 0.95rem;
}

.footer-links a {
    color: rgba(255,255,255,0.6);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.footer-links a::before {
    content: '→';
    opacity: 0;
    transform: translateX(-8px);
    transition: var(--transition);
}

.footer-links a:hover {
    color: #fff;
    transform: translateX(4px);
}

.footer-links a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: rgba(255,255,255,0.6);
}

.footer-contact li i {
    color: var(--primary);
    margin-top: 4px;
    font-size: 0.9rem;
}

.footer-contact li span {
    color: rgba(255,255,255,0.5);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    margin-top: 50px;
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.85rem;
    opacity: 0.5;
    margin: 0 0 8px 0;
}

.footer-records {
    font-size: 0.8rem;
    opacity: 0.6;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 6px;
}

.footer-records a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    transition: opacity 0.2s, color 0.2s;
}

.footer-records a:hover {
    color: var(--accent-color, #f59e0b);
    opacity: 1;
}

.footer-records .bi-shield-check {
    margin-right: 3px;
}

.record-separator {
    opacity: 0.3;
}

/* ==========================================
   按钮样式
   ========================================== */
.btn {
    border-radius: 50px;
    padding: 10px 28px;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--primary-gradient);
    border: none;
    color: #fff;
}

.btn-primary:hover {
    background: var(--primary-gradient);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 86, 219, 0.3);
    color: #fff;
}

.btn-outline-primary {
    border: 2px solid var(--primary);
    color: var(--primary);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 86, 219, 0.2);
}

.btn-lg {
    padding: 14px 40px;
    font-size: 1.05rem;
}

.btn-sm {
    padding: 6px 20px;
    font-size: 0.85rem;
}

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

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

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

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

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

.animate-fadeIn {
    animation: fadeIn 0.6s ease forwards;
}

.animate-slideInLeft {
    animation: slideInLeft 0.6s ease forwards;
}

.animate-slideInRight {
    animation: slideInRight 0.6s ease forwards;
}

.solution-card {
    animation: fadeInUp 0.5s ease forwards;
}

.solution-card:nth-child(2) { animation-delay: 0.08s; }
.solution-card:nth-child(3) { animation-delay: 0.16s; }
.solution-card:nth-child(4) { animation-delay: 0.24s; }
.solution-card:nth-child(5) { animation-delay: 0.32s; }
.solution-card:nth-child(6) { animation-delay: 0.4s; }

/* ==========================================
   滚动条
   ========================================== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-light);
}

::-webkit-scrollbar-thumb {
    background: var(--text-light);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ==========================================
   响应式
   ========================================== */
@media (max-width: 1199px) {
    .hero-content h1 {
        font-size: 2.8rem;
    }
}

@media (max-width: 991px) {
    .site-header .nav-link {
        padding: 12px 16px !important;
    }

    .site-header .nav-link::after {
        display: none;
    }

    .site-header .navbar-collapse {
        background: rgba(255,255,255,0.98);
        backdrop-filter: blur(20px);
        border-radius: 12px;
        padding: 8px;
        box-shadow: var(--shadow-lg);
        margin-top: 8px;
    }

    /* Hero Section */
    .hero-section {
        min-height: 70vh;
        padding: 60px 0;
    }

    .hero-content h1 {
        font-size: 2.2rem;
    }

    .hero-content .hero-subtitle {
        font-size: 1rem;
    }

    .hero-stats {
        gap: 24px;
        flex-wrap: wrap;
    }

    .hero-stat .stat-number {
        font-size: 1.5rem;
    }

    /* 旧轮播 */
    .hero-carousel .carousel-item {
        height: 400px;
    }

    .hero-carousel .carousel-caption h2 {
        font-size: 1.8rem;
    }

    .hero-placeholder h1 {
        font-size: 2rem;
    }

    .section {
        padding: 70px 0;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .page-banner {
        padding: 60px 0;
    }

    .page-banner h1 {
        font-size: 2rem;
    }

    .section-about .about-image-wrapper img {
        height: 350px;
    }

    .section-about-page .about-image-wrapper img {
        height: 400px;
    }

    .section-about-page .about-features {
        grid-template-columns: 1fr;
    }

    .solutions-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 767px) {
    .hero-section {
        min-height: 60vh;
        padding: 40px 0;
    }

    .hero-content h1 {
        font-size: 1.8rem;
    }

    .hero-content .hero-subtitle {
        font-size: 0.95rem;
        margin-bottom: 24px;
    }

    .hero-actions {
        flex-direction: column;
        gap: 12px;
    }

    .hero-actions .btn {
        width: 100%;
        text-align: center;
        padding: 12px 24px;
    }

    .hero-stats {
        margin-top: 30px;
        padding-top: 24px;
        gap: 20px;
        flex-direction: column;
    }

    .hero-badge {
        font-size: 0.8rem;
        padding: 4px 12px;
    }

    /* 旧轮播 */
    .hero-carousel .carousel-item {
        height: 320px;
    }

    .hero-carousel .carousel-caption {
        bottom: 40px;
        left: 5%;
        right: 5%;
    }

    .hero-carousel .carousel-caption h2 {
        font-size: 1.4rem;
    }

    .hero-carousel .carousel-caption p {
        font-size: 0.95rem;
    }

    .hero-placeholder h1 {
        font-size: 1.5rem;
    }

    .hero-placeholder .lead {
        font-size: 1rem;
    }

    .section {
        padding: 50px 0;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .section-cta {
        padding: 60px 0;
    }

    .section-cta h2 {
        font-size: 1.6rem;
    }

    .section-cta .cta-info {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

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

    .page-banner h1 {
        font-size: 1.5rem;
    }

    .carousel-control-prev,
    .carousel-control-next {
        display: none;
    }

    .contact-form {
        padding: 24px;
    }

    .section-about .about-image-wrapper img {
        height: 280px;
    }

    .section-about-page .about-image-wrapper img {
        height: 300px;
    }

    .solutions-grid {
        grid-template-columns: 1fr;
    }

    .solution-detail-title {
        font-size: 1.5rem;
    }

    .site-footer {
        padding: 50px 0 0;
    }

    .site-footer .row > div {
        margin-bottom: 30px;
    }
}

@media (max-width: 575px) {
    .hero-section {
        min-height: 50vh;
    }

    .hero-content h1 {
        font-size: 1.5rem;
    }

    .brand-text {
        font-size: 1rem;
    }

    .site-header .navbar-brand img {
        height: 34px;
    }

    .hero-carousel .carousel-item {
        height: 240px;
    }

    .hero-carousel .carousel-caption h2 {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 1.3rem;
    }
}