/* 全局样式 */
:root {
    --primary-color: #0a1628;
    --secondary-color: #1a3a5c;
    --accent-color: #00d4ff;
    --accent-green: #00c853;
    --text-color: #333;
    --text-light: #666;
    --text-white: #fff;
    --bg-light: #f5f7fa;
    --bg-dark: #0a1628;
    --silver: #c0c0c0;
    --gradient-blue: linear-gradient(135deg, #0a1628 0%, #1a3a5c 50%, #0a1628 100%);
    --danger-color: #e53935;
    --warning-color: #ff9800;
    --success-color: #4caf50;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Microsoft JhengHei", "PingFang TC", "Heiti TC", sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    overflow-x: hidden;
}

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

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 15px 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(10, 22, 40, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.logo {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-brand {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--text-white);
}

.logo-en {
    font-size: 0.8rem;
    color: var(--accent-color);
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--text-white);
    font-size: 0.95rem;
    transition: color 0.3s;
    position: relative;
}

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

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-color);
}

.lang-switch {
    display: flex;
    gap: 10px;
}

.lang-btn {
    background: transparent;
    border: 1px solid var(--accent-color);
    color: var(--text-white);
    padding: 5px 15px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.3s;
}

.lang-btn.active {
    background: var(--accent-color);
    color: var(--primary-color);
}

.lang-btn:hover {
    background: var(--accent-color);
    color: var(--primary-color);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Banner with Slider */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    overflow: hidden;
}

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

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease;
}

.slide.active {
    opacity: 1;
}

.slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
}

.slide-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(10, 22, 40, 0.85) 0%, rgba(26, 58, 92, 0.75) 50%, rgba(10, 22, 40, 0.85) 100%);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 200, 83, 0.1) 0%, transparent 50%);
    z-index: 1;
    pointer-events: none;
}

.hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    text-align: center;
    padding: 0 20px;
    width: 100%;
    max-width: 800px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: bold;
    color: var(--text-white);
    margin-bottom: 20px;
    line-height: 1.3;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-title span {
    background: linear-gradient(135deg, #fff 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--silver);
    margin-bottom: 15px;
}

.hero-brand {
    font-size: 1.1rem;
    color: var(--text-white);
    margin-bottom: 30px;
}

.hero-brand strong {
    color: var(--accent-color);
}

.hero-badges {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.badge {
    background: rgba(0, 212, 255, 0.15);
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 0.9rem;
}

.hero-cta {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent-color) 0%, #0099cc 100%);
    color: var(--primary-color);
    padding: 15px 40px;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: bold;
    transition: all 0.3s;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.4);
}

.hero-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 30px rgba(0, 212, 255, 0.5);
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--text-white);
    animation: bounce 2s infinite;
    z-index: 5;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

.scroll-arrow {
    font-size: 1.5rem;
    margin-top: 10px;
    color: var(--accent-color);
}

/* Slider Controls */
.slider-controls {
    position: absolute;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 20px;
    z-index: 5;
}

.slider-prev,
.slider-next {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(0, 212, 255, 0.2);
    border: 2px solid var(--accent-color);
    color: var(--text-white);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-prev:hover,
.slider-next:hover {
    background: var(--accent-color);
    color: var(--primary-color);
}

.slider-dots {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    z-index: 5;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s;
}

.slider-dot.active {
    background: var(--accent-color);
    transform: scale(1.2);
}

/* Section 通用样式 */
.section {
    padding: 100px 0;
}

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

.section-title {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    position: relative;
}

.section-line {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-green));
    margin: 0 auto 20px;
    border-radius: 2px;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-light);
}

.section-cta {
    display: inline-block;
    background: var(--primary-color);
    color: var(--text-white);
    padding: 12px 30px;
    border-radius: 25px;
    font-size: 1rem;
    transition: all 0.3s;
    margin-top: 30px;
}

.section-cta:hover {
    background: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

/* 关于我们 */
.about-section {
    background: var(--bg-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

.about-text h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.about-text p {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-features {
    display: flex;
    gap: 30px;
    margin-top: 30px;
}

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

.feature-icon {
    font-size: 1.5rem;
}

.feature-item span:last-child {
    color: var(--primary-color);
    font-weight: 600;
}

/* 产品系列 */
.products-section {
    background: var(--text-white);
}

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

.product-card {
    background: var(--bg-light);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.product-image {
    height: 180px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

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

.product-info {
    padding: 25px;
    text-align: center;
}

.product-info h3 {
    font-size: 1.4rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.product-info p {
    color: var(--text-light);
    margin-bottom: 15px;
}

.product-tag {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-green));
    color: var(--text-white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
}

.products-advantages {
    background: var(--primary-color);
    padding: 50px;
    border-radius: 20px;
    color: var(--text-white);
}

.products-advantages h3 {
    text-align: center;
    font-size: 1.8rem;
    margin-bottom: 40px;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

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

.advantage-item h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--accent-color);
}

.advantage-item p {
    font-size: 0.95rem;
    opacity: 0.9;
}

/* 应用领域 */
.applications-section {
    background: var(--bg-light);
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.application-card {
    background: var(--text-white);
    border-radius: 20px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all 0.3s;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.application-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
}

.app-image {
    height: 220px;
    overflow: hidden;
}

.app-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

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

.app-content {
    padding: 30px;
}

.app-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.app-content h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.app-content > p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 20px;
}

.app-list {
    list-style: none;
}

.app-list li {
    color: var(--text-light);
    padding: 8px 0;
    border-bottom: 1px solid #eee;
    position: relative;
    padding-left: 20px;
}

.app-list li::before {
    content: '›';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

/* 企业理念 */
.vision-section {
    background: var(--text-white);
}

.vision-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 60px;
}

.vision-text {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.vision-block h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.vision-block h3::before {
    content: '';
    width: 30px;
    height: 3px;
    background: var(--accent-color);
    border-radius: 2px;
}

.vision-block p {
    color: var(--text-light);
    line-height: 1.8;
}

.vision-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

.future-plans {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 50px;
    border-radius: 20px;
    color: var(--text-white);
}

.future-plans h3 {
    text-align: center;
    font-size: 1.8rem;
    margin-bottom: 40px;
}

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

.plan-item {
    text-align: center;
    padding: 30px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    transition: all 0.3s;
}

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

.plan-year {
    display: block;
    font-size: 2rem;
    font-weight: bold;
    color: var(--accent-color);
    margin-bottom: 15px;
}

.plan-item p {
    font-size: 1rem;
    line-height: 1.6;
}

/* 联系我们 */
.contact-section {
    background: var(--bg-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

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

.contact-card {
    background: var(--text-white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.contact-card h4 {
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.contact-card h4::before {
    content: '';
    width: 20px;
    height: 2px;
    background: var(--accent-color);
}

.contact-card p {
    color: var(--text-light);
    line-height: 1.6;
}

.contact-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

/* 联系表单 */
.contact-form-wrapper {
    background: var(--text-white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.form-title {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 30px;
    text-align: center;
}

.form-group {
    margin-bottom: 20px;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.form-group input.error,
.form-group textarea.error {
    border-color: var(--danger-color);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.field-error {
    color: var(--danger-color);
    font-size: 0.85rem;
    margin-top: 5px;
    display: none;
}

.submit-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, var(--accent-color) 0%, #0099cc 100%);
    color: var(--primary-color);
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
}

.submit-btn:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(0, 212, 255, 0.4);
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.form-success {
    background: rgba(76, 175, 80, 0.1);
    border: 1px solid var(--success-color);
    color: var(--success-color);
    padding: 15px;
    border-radius: 10px;
    text-align: center;
    margin-top: 20px;
    display: none;
}

.form-error {
    background: rgba(229, 57, 53, 0.1);
    border: 1px solid var(--danger-color);
    color: var(--danger-color);
    padding: 15px;
    border-radius: 10px;
    text-align: center;
    margin-top: 20px;
    display: none;
}

/* 页脚 */
.footer {
    background: var(--primary-color);
    color: var(--text-white);
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 30px;
}

.footer-brand h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.footer-brand p {
    color: var(--silver);
}

.footer-links {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--silver);
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: var(--silver);
    font-size: 0.9rem;
}

/* Footer 联系信息样式 */
.footer-contact {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-contact-item {
    flex: 1;
    min-width: 200px;
}

.footer-contact-item h4 {
    color: var(--accent-color);
    font-size: 1rem;
    margin-bottom: 8px;
}

.footer-contact-item p {
    color: var(--silver);
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-wechat {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 10px;
}

.footer-wechat img {
    width: 80px;
    height: 80px;
    border-radius: 8px;
    border: 2px solid var(--accent-color);
}

.footer-wechat span {
    color: var(--text-white);
    font-size: 1rem;
}

/* ====== 后台管理系统样式 ====== */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: 250px;
    background: var(--primary-color);
    color: var(--text-white);
    padding: 20px 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.admin-logo {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 20px;
}

.admin-logo h2 {
    font-size: 1.3rem;
    margin-bottom: 5px;
}

.admin-logo span {
    font-size: 0.85rem;
    color: var(--accent-color);
}

.admin-nav {
    list-style: none;
}

.admin-nav li {
    margin-bottom: 5px;
}

.admin-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    color: var(--silver);
    transition: all 0.3s;
}

.admin-nav a:hover,
.admin-nav a.active {
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent-color);
    border-left: 3px solid var(--accent-color);
}

.admin-nav .icon {
    font-size: 1.2rem;
}

.admin-main {
    flex: 1;
    margin-left: 250px;
    padding: 30px;
    background: var(--bg-light);
    min-height: 100vh;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.admin-header h1 {
    font-size: 1.8rem;
    color: var(--primary-color);
}

.admin-header .admin-user {
    display: flex;
    align-items: center;
    gap: 15px;
}

.admin-header .logout-btn {
    background: var(--danger-color);
    color: var(--text-white);
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
}

.admin-header .logout-btn:hover {
    background: #c62828;
}

/* Dashboard Cards */
.dashboard-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.dashboard-card {
    background: var(--text-white);
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.dashboard-card .card-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.dashboard-card .card-value {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.dashboard-card .card-label {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Admin Table */
.admin-table-container {
    background: var(--text-white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.admin-table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.admin-table-header h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    transition: all 0.3s;
}

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

.btn-primary:hover {
    background: #00b8e6;
}

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

.btn-danger:hover {
    background: #c62828;
}

.btn-secondary {
    background: var(--text-light);
    color: var(--text-white);
}

.btn-secondary:hover {
    background: #555;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.85rem;
}

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

.admin-table th,
.admin-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.admin-table th {
    background: var(--bg-light);
    color: var(--primary-color);
    font-weight: 600;
}

.admin-table tr:hover {
    background: #f8f9fa;
}

.admin-table .actions {
    display: flex;
    gap: 10px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--text-white);
    padding: 30px;
    border-radius: 15px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.modal-header h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal-close:hover {
    color: var(--danger-color);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 15px;
    margin-top: 25px;
    padding-top: 15px;
    border-top: 1px solid #eee;
}

/* Form in Modal */
.modal .form-group {
    margin-bottom: 15px;
}

.modal .form-group label {
    font-size: 0.95rem;
}

.modal .form-group input,
.modal .form-group select,
.modal .form-group textarea {
    padding: 10px 12px;
}

/* Login Page */
.login-page {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--gradient-blue);
}

.login-box {
    background: var(--text-white);
    padding: 50px;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    width: 90%;
    max-width: 420px;
}

.login-logo {
    text-align: center;
    margin-bottom: 40px;
}

.login-logo h2 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.login-logo p {
    color: var(--text-light);
}

.login-box .form-group {
    margin-bottom: 20px;
}

.login-box .submit-btn {
    margin-top: 10px;
}

.login-error {
    background: rgba(229, 57, 53, 0.1);
    border: 1px solid var(--danger-color);
    color: var(--danger-color);
    padding: 10px;
    border-radius: 8px;
    text-align: center;
    margin-bottom: 20px;
    display: none;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-light);
}

.empty-state .icon {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.5;
}

.empty-state p {
    font-size: 1.1rem;
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .about-content,
    .vision-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .about-image,
    .vision-image,
    .contact-image {
        order: -1;
    }
    
    .applications-grid {
        grid-template-columns: 1fr;
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .plans-grid {
        grid-template-columns: 1fr;
    }
    
    .dashboard-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .admin-sidebar {
        width: 200px;
    }
    
    .admin-main {
        margin-left: 200px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 22, 40, 0.98);
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        z-index: 1001;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .lang-switch {
        display: none;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
    
    .admin-sidebar {
        display: none;
    }
    
    .admin-main {
        margin-left: 0;
    }
    
    .dashboard-cards {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-badges {
        flex-direction: column;
        align-items: center;
    }
    
    .slider-controls {
        display: none;
    }
}

/* 动画 */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* Badge styles for tables */
.badge-success {
    background: rgba(76, 175, 80, 0.1);
    color: var(--success-color);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.85rem;
}

.badge-warning {
    background: rgba(255, 152, 0, 0.1);
    color: var(--warning-color);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.85rem;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--text-white);
    padding: 80px 0 60px;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.page-header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* ==================== 大气设计增强样式 ==================== */

/* 统一样式变量 */
:root {
    --card-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    --card-hover-shadow: 0 20px 60px rgba(0, 212, 255, 0.25);
    --card-radius: 24px;
    --card-padding: 35px;
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --glow-color: rgba(0, 212, 255, 0.3);
}

/* 大气卡片网格布局 */
.section-grid-large {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 35px;
    margin-top: 60px;
}

.section-grid-2col {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.section-grid-4col {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 50px;
}

/* 通用大气卡片 */
.card-large {
    background: linear-gradient(145deg, rgba(255,255,255,0.98) 0%, rgba(245,247,250,0.95) 100%);
    border-radius: var(--card-radius);
    overflow: hidden;
    transition: var(--transition-smooth);
    box-shadow: var(--card-shadow);
    border: 1px solid rgba(0, 212, 255, 0.1);
    position: relative;
}

.card-large::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-green), var(--accent-color));
    background-size: 200% 100%;
    animation: gradientFlow 3s ease infinite;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card-large:hover::before {
    opacity: 1;
}

@keyframes gradientFlow {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.card-large:hover {
    transform: translateY(-12px);
    box-shadow: var(--card-hover-shadow);
    border-color: rgba(0, 212, 255, 0.3);
}

/* 卡片图片区域 */
.card-image {
    position: relative;
    width: 100%;
    height: 220px;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-large:hover .card-image img {
    transform: scale(1.08);
}

/* 卡片光效覆盖层 */
.card-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(0, 212, 255, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.card-large:hover .card-image::after {
    opacity: 1;
}

/* 卡片徽章 */
.card-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, var(--accent-color), #0099cc);
    color: #fff;
    padding: 10px 22px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.4);
    z-index: 2;
}

.card-badge-hot {
    background: linear-gradient(135deg, #ff6b6b, #ee5a5a);
    box-shadow: 0 4px 15px rgba(238, 90, 90, 0.4);
}

.card-badge-new {
    background: linear-gradient(135deg, var(--accent-green), #00a844);
    box-shadow: 0 4px 15px rgba(0, 200, 83, 0.4);
}

/* 卡片内容区域 */
.card-content {
    padding: var(--card-padding);
}

.card-content h3 {
    font-size: 1.6rem;
    margin-bottom: 15px;
    color: var(--primary-color);
    font-weight: 800;
    line-height: 1.3;
}

.card-content p {
    color: var(--text-light);
    line-height: 1.9;
    margin-bottom: 20px;
    font-size: 1.05rem;
}

/* 功能列表 */
.features-list {
    list-style: none;
    margin-bottom: 25px;
}

.features-list li {
    padding: 10px 0;
    padding-left: 30px;
    position: relative;
    color: var(--text-color);
    font-size: 0.95rem;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.features-list li:last-child {
    border-bottom: none;
}

.features-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
    font-size: 1.1rem;
}

/* 规格标签 */
.spec-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.spec-tag {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 200, 83, 0.1));
    border: 1px solid rgba(0, 212, 255, 0.2);
    color: var(--secondary-color);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

/* 大气按钮 */
.btn-mega {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-color) 0%, #0099cc 100%);
    color: #fff;
    padding: 14px 35px;
    border-radius: 30px;
    font-size: 1.05rem;
    font-weight: 700;
    transition: var(--transition-smooth);
    box-shadow: 0 6px 25px rgba(0, 212, 255, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-mega::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s ease;
}

.btn-mega:hover::before {
    left: 100%;
}

.btn-mega:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 10px 35px rgba(0, 212, 255, 0.5);
}

.btn-mega-outline {
    background: transparent;
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
    box-shadow: none;
}

.btn-mega-outline:hover {
    background: var(--accent-color);
    color: #fff;
}

/* 数据统计展示 */
.stats-showcase {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin: 50px 0;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    padding: 30px 50px;
    background: linear-gradient(145deg, rgba(255,255,255,0.95), rgba(245,247,250,0.9));
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
    transition: var(--transition-smooth);
    border: 1px solid rgba(0, 212, 255, 0.1);
}

.stat-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 50px rgba(0, 212, 255, 0.2);
}

.stat-value {
    font-size: 3rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-light);
    margin-top: 10px;
    font-weight: 600;
}

/* 优势展示大卡片 */
.advantage-card {
    background: linear-gradient(145deg, rgba(10, 22, 40, 0.95), rgba(26, 58, 92, 0.95));
    border-radius: var(--card-radius);
    overflow: hidden;
    transition: var(--transition-smooth);
    position: relative;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 200, 83, 0.05));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.advantage-card:hover::before {
    opacity: 1;
}

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 60px rgba(0, 212, 255, 0.3);
}

.advantage-card .card-image {
    height: 200px;
}

.advantage-card .card-content {
    color: #fff;
}

.advantage-card .card-content h3 {
    color: #fff;
    font-size: 1.4rem;
}

.advantage-card .card-content p {
    color: rgba(255, 255, 255, 0.8);
}

.advantage-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-green));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 20px;
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.4);
}

/* 应用场景大卡片 */
.app-card-large {
    background: #fff;
    border-radius: var(--card-radius);
    overflow: hidden;
    transition: var(--transition-smooth);
    box-shadow: var(--card-shadow);
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 350px;
}

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

.app-card-large .app-image {
    height: 100%;
    min-height: 350px;
}

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

.app-card-large:hover .app-image img {
    transform: scale(1.05);
}

.app-card-large .app-content {
    padding: 45px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.app-card-large .app-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-green));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin-bottom: 25px;
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.app-card-large h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 800;
}

.app-card-large > p {
    color: var(--text-light);
    line-height: 1.9;
    margin-bottom: 25px;
    font-size: 1.05rem;
}

/* 产品详情大卡片 */
.product-detail-card {
    background: #fff;
    border-radius: var(--card-radius);
    overflow: hidden;
    transition: var(--transition-smooth);
    box-shadow: var(--card-shadow);
}

.product-detail-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--card-hover-shadow);
}

.product-detail-card .product-header {
    position: relative;
    height: 280px;
    overflow: hidden;
}

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

.product-detail-card:hover .product-header img {
    transform: scale(1.08);
}

.product-detail-card .product-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: #fff;
}

.product-detail-card .product-overlay h3 {
    font-size: 1.8rem;
    margin-bottom: 8px;
    color: #fff;
}

.product-detail-card .product-body {
    padding: 35px;
}

.product-detail-card .spec-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-bottom: 25px;
}

.product-detail-card .spec-item {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.08), rgba(0, 200, 83, 0.05));
    padding: 15px 20px;
    border-radius: 12px;
    border-left: 4px solid var(--accent-color);
}

.product-detail-card .spec-item strong {
    display: block;
    color: var(--primary-color);
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.product-detail-card .spec-item span {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* 联系信息大卡片 */
.contact-card-large {
    background: linear-gradient(145deg, #fff, #f8f9fa);
    border-radius: var(--card-radius);
    padding: 45px;
    transition: var(--transition-smooth);
    box-shadow: var(--card-shadow);
    text-align: center;
    border: 1px solid rgba(0, 212, 255, 0.1);
}

.contact-card-large:hover {
    transform: translateY(-10px);
    box-shadow: var(--card-hover-shadow);
    border-color: var(--accent-color);
}

.contact-card-large .contact-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-green));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    margin: 0 auto 25px;
    box-shadow: 0 10px 35px rgba(0, 212, 255, 0.3);
}

.contact-card-large h4 {
    font-size: 1.4rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 700;
}

.contact-card-large p {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 1.05rem;
}

/* Section Header 大气样式 */
.section-header-mega {
    text-align: center;
    margin-bottom: 60px;
}

.section-header-mega h2 {
    font-size: 2.8rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 900;
    position: relative;
    display: inline-block;
}

.section-header-mega h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 5px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-green));
    border-radius: 3px;
}

.section-header-mega p {
    font-size: 1.15rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 30px auto 0;
    line-height: 1.8;
}

/* 页面头部大Banner */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 50%, var(--primary-color) 100%);
    padding: 180px 0 120px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(0, 212, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 200, 83, 0.1) 0%, transparent 50%);
}

.page-header h1 {
    font-size: 3.5rem;
    color: #fff;
    margin-bottom: 20px;
    font-weight: 900;
    position: relative;
    z-index: 1;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.page-header p {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 1;
}

/* 响应式调整 */
@media (max-width: 1200px) {
    .section-grid-large {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .section-grid-4col {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .app-card-large {
        grid-template-columns: 1fr;
    }
    
    .app-card-large .app-image {
        height: 250px;
        min-height: 250px;
    }
}

@media (max-width: 768px) {
    .section-grid-large,
    .section-grid-2col,
    .section-grid-4col {
        grid-template-columns: 1fr;
    }
    
    .card-image {
        height: 200px;
    }
    
    .card-content {
        padding: 25px;
    }
    
    .card-content h3 {
        font-size: 1.3rem;
    }
    
    .page-header h1 {
        font-size: 2.5rem;
    }
    
    .stats-showcase {
        gap: 30px;
    }
    
    .stat-item {
        padding: 20px 30px;
    }
    
    .stat-value {
        font-size: 2.2rem;
    }
    
    .section-header-mega h2 {
        font-size: 2rem;
    }
}

/* 浮动按钮样式 */
.floating-buttons {
    position: fixed;
    right: 25px;
    bottom: 25px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 999;
}

/* 留言按钮 */
.floating-message-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(26, 58, 92, 0.4);
    transition: all 0.3s ease;
    position: relative;
}

.floating-message-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(26, 58, 92, 0.5);
}

.floating-message-btn svg {
    width: 28px;
    height: 28px;
    fill: white;
}

.floating-message-btn::after {
    content: attr(data-tooltip);
    position: absolute;
    right: 70px;
    background: var(--primary-color);
    color: white;
    padding: 8px 15px;
    border-radius: 8px;
    font-size: 0.85rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.floating-message-btn:hover::after {
    opacity: 1;
    visibility: visible;
}

/* 返回顶部按钮 */
.floating-top-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--accent-color);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

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

.floating-top-btn:hover {
    background: #00b8e6;
    transform: scale(1.1);
}

.floating-top-btn svg {
    width: 24px;
    height: 24px;
    fill: white;
}

/* 留言对话框 */
.message-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.message-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.message-modal {
    background: white;
    border-radius: 20px;
    width: 90%;
    max-width: 450px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(20px);
    transition: all 0.3s ease;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.message-modal-overlay.active .message-modal {
    transform: scale(1) translateY(0);
}

.message-modal-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 25px 30px;
    border-radius: 20px 20px 0 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.message-modal-header h3 {
    color: white;
    font-size: 1.3rem;
    margin: 0;
}

.message-modal-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.message-modal-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

.message-modal-close svg {
    width: 20px;
    height: 20px;
    fill: white;
}

.message-modal-body {
    padding: 30px;
}

.message-modal-form .form-group {
    margin-bottom: 20px;
}

.message-modal-form label {
    display: block;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.message-modal-form input,
.message-modal-form textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 0.95rem;
    transition: all 0.3s;
    font-family: inherit;
}

.message-modal-form input:focus,
.message-modal-form textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.message-modal-form textarea {
    min-height: 120px;
    resize: vertical;
}

.message-modal-form input.error,
.message-modal-form textarea.error {
    border-color: var(--danger-color);
}

.form-error {
    color: var(--danger-color);
    font-size: 0.8rem;
    margin-top: 5px;
}

.message-modal-submit {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.message-modal-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(26, 58, 92, 0.3);
}

.message-modal-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.message-modal-success {
    display: none;
    text-align: center;
    padding: 30px;
}

.message-modal-success.show {
    display: block;
}

.message-modal-success svg {
    width: 60px;
    height: 60px;
    fill: var(--success-color);
    margin-bottom: 15px;
}

.message-modal-success h4 {
    color: var(--success-color);
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.message-modal-success p {
    color: var(--text-light);
}

/* 移动端适配 */
@media (max-width: 768px) {
    .floating-buttons {
        right: 15px;
        bottom: 15px;
    }
    
    .floating-message-btn {
        width: 55px;
        height: 55px;
    }
    
    .floating-top-btn {
        width: 45px;
        height: 45px;
    }
    
    .floating-message-btn::after {
        display: none;
    }
    
    .message-modal {
        max-width: 95%;
        margin: 15px;
    }
    
    .message-modal-body {
        padding: 20px;
    }
}
/* ========== 麵包屑導航 ========== */
.breadcrumb {
    background: #f5f7fa;
    padding: 12px 0;
    border-bottom: 1px solid #e8ecf0;
}

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

.breadcrumb-list {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 0.875rem;
    color: #6b7280;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
}

.breadcrumb-link {
    display: flex;
    align-items: center;
    gap: 4px;
    color: #4b5563;
    text-decoration: none;
    transition: color 0.2s;
}

.breadcrumb-link:hover {
    color: var(--primary, #1a3a5c);
}

.breadcrumb-link svg {
    width: 14px;
    height: 14px;
}

.breadcrumb-separator {
    margin: 0 8px;
    color: #9ca3af;
    user-select: none;
}

.breadcrumb-current {
    color: var(--primary, #1a3a5c);
    font-weight: 500;
}

@media (max-width: 768px) {
    .breadcrumb {
        padding: 8px 0;
    }
    .breadcrumb-list {
        font-size: 0.8rem;
    }
}