/* ========== 全局重置与变量 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-cyan: #00d4ff;
    --primary-blue: #2a6fdb;
    --primary-dark: #0a0f2a;
    --bg-deep: #050b1a;
    --card-bg: rgba(12, 20, 40, 0.7);
    --text-main: #eef2ff;
    --text-secondary: #9dabdf;
    --border-glow: rgba(0, 212, 255, 0.3);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-deep);
    color: var(--text-main);
    line-height: 1.5;
    overflow-x: hidden;
}

/* ========== 动态背景 ========== */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background: radial-gradient(circle at 20% 30%, #0a0f2a, #030617);
}

.matrix-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.35;
    pointer-events: none;
}

/* ========== 固定悬浮导航栏 ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(5, 11, 26, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-glow);
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(3, 7, 20, 0.96);
    backdrop-filter: blur(16px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
    border-bottom-color: var(--primary-cyan);
}

.nav-container {
    max-width: 100%;
    padding: 16px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

/* Logo 区域 - 图片+文字 */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    height: 45px;
    width: auto;
    display: block;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-text h1 {
    font-size: clamp(20px, 4vw, 24px);
    font-weight: 800;
    background: linear-gradient(135deg, #aaffff, var(--primary-blue));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin: 0;
    line-height: 1.2;
}

.logo-text p {
    font-size: 10px;
    color: var(--text-secondary);
    letter-spacing: 1px;
    margin: 0;
}

.nav-links {
    display: flex;
    gap: clamp(20px, 3vw, 42px);
    align-items: center;
}

.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--primary-cyan);
    text-shadow: 0 0 8px rgba(0, 212, 255, 0.5);
}

.btn-glow {
    background: rgba(0, 212, 255, 0.12);
    border: 1px solid var(--primary-cyan);
    padding: 8px 22px;
    border-radius: 40px;
    color: var(--primary-cyan);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-glow:hover {
    background: rgba(0, 212, 255, 0.25);
    box-shadow: 0 0 15px var(--primary-cyan);
}

.menu-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--primary-cyan);
}

/* ========== 悬浮侧边栏（右侧固定） ========== */
.floating-sidebar {
    position: fixed;
    right: -280px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 999;
    transition: right 0.35s cubic-bezier(0.2, 0.9, 0.4, 1.1);
}

.floating-sidebar.open {
    right: 0;
}

.sidebar-toggle {
    position: absolute;
    left: -44px;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 80px;
    background: linear-gradient(135deg, #0a1a3a, #06122c);
    border-radius: 30px 0 0 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: 1px solid rgba(0, 212, 255, 0.4);
    border-right: none;
    transition: all 0.3s ease;
}

.sidebar-toggle:hover {
    background: linear-gradient(135deg, #122a4a, #0a1830);
    width: 50px;
}

.sidebar-toggle i {
    color: var(--primary-cyan);
    font-size: 18px;
    transition: transform 0.3s ease;
}

.floating-sidebar.open .sidebar-toggle i {
    transform: rotate(180deg);
}

.sidebar-content {
    width: 280px;
    background: rgba(5, 11, 26, 0.96);
    backdrop-filter: blur(16px);
    border-radius: 20px 0 0 20px;
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-right: none;
    padding: 20px 16px;
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.5);
}

.sidebar-header {
    text-align: center;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
    margin-bottom: 20px;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 22px;
    font-weight: 700;
    background: linear-gradient(135deg, #aaffff, #2a6fdb);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.sidebar-logo i {
    background: none;
    -webkit-background-clip: unset;
    background-clip: unset;
    color: var(--primary-cyan);
}

.sidebar-header p {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 6px;
}

.sidebar-section {
    margin-bottom: 24px;
}

.section-title {
    font-size: 12px;
    color: var(--primary-cyan);
    letter-spacing: 1px;
    margin-bottom: 12px;
    padding-left: 8px;
    border-left: 2px solid var(--primary-cyan);
}

.sidebar-nav,
.sidebar-products,
.sidebar-contact {
    list-style: none;
}

.sidebar-nav li,
.sidebar-products li {
    margin: 6px 0;
}

.sidebar-nav a,
.sidebar-products a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    border-radius: 12px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.2s ease;
}

.sidebar-nav a:hover,
.sidebar-products a:hover {
    background: rgba(0, 212, 255, 0.12);
    color: var(--primary-cyan);
}

.sidebar-nav i,
.sidebar-products i {
    width: 20px;
    font-size: 14px;
    color: var(--primary-cyan);
}

.sidebar-contact li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    font-size: 13px;
    color: var(--text-secondary);
}

.sidebar-contact i {
    width: 22px;
    color: var(--primary-cyan);
}

.sidebar-contact a {
    color: var(--text-secondary);
    text-decoration: none;
}

.sidebar-contact a:hover {
    color: var(--primary-cyan);
}

.sidebar-action {
    display: flex;
    gap: 10px;
    margin: 20px 0;
}

.sidebar-chat-btn,
.sidebar-tel-btn {
    flex: 1;
    padding: 10px 0;
    border-radius: 30px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.sidebar-chat-btn {
    background: linear-gradient(90deg, #1e5af7, #0a8cff);
    border: none;
    color: white;
}

.sidebar-chat-btn:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(0, 140, 255, 0.4);
}

.sidebar-tel-btn {
    background: transparent;
    border: 1px solid var(--primary-cyan);
    color: var(--primary-cyan);
}

.sidebar-tel-btn:hover {
    background: rgba(0, 212, 255, 0.15);
}

.sidebar-social {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin: 20px 0;
}

.social-icon {
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(0, 212, 255, 0.12);
    color: var(--primary-cyan);
    font-size: 16px;
    transition: all 0.2s ease;
}

.social-icon:hover {
    background: var(--primary-cyan);
    color: #0a0f2a;
    transform: translateY(-2px);
}

.sidebar-gotop {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px;
    border-radius: 30px;
    background: rgba(0, 212, 255, 0.08);
    cursor: pointer;
    font-size: 12px;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.sidebar-gotop:hover {
    background: rgba(0, 212, 255, 0.2);
    color: var(--primary-cyan);
}

/* ========== Hero 区域 - 左右高度对齐 ========== */
.hero-container {
    /*max-width: 1440px;*/
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    justify-content: space-between;
    gap: 40px;
}

.hero-left {
    flex: 1.2;
    min-width: 280px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-right {
    flex: 1;
    min-width: 280px;
    display: flex;
    align-items: stretch;
}

/* 右侧卡片 - 高度自适应，与左侧对齐 */
.tech-card-glow {
    
    backdrop-filter: blur(12px);
    border-radius: 32px;
    padding: 32px;
    border: 1px solid var(--border-glow);
    text-align: center;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    width: 100%;
    min-height: 100%;
}

/* 背景图片样式 - 保持比例 */
.tech-card-bg {
    background-image: url('img/zhibo.png');
    background-size: cover;  /* 铺满整个区域，可能裁剪边缘 */
    background-position: center;
    background-repeat: no-repeat;
}

/* 遮罩层 - 保证文字清晰 */
/*.tech-card-glow::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(5, 11, 26, 0.35);
    backdrop-filter: blur(2px);
    z-index: 1;
    border-radius: 32px;
}*/


/*轮播*/

/* 轮播容器 */
.tech-card-carousel {
    position: relative;
    width: 100%;
    min-height: 380px;
}

/* 卡片绝对定位实现轮播 */
.tech-card-carousel .tech-card-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.6s ease, visibility 0.6s ease;
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.tech-card-carousel .tech-card-glow.active {
    opacity: 1;
    visibility: visible;
    position: relative;
}

/* 切换指示器 */
.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 20px;
    position: relative;
    z-index: 10;
}

.dot {
    width: 40px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: var(--primary-cyan);
    width: 60px;
    box-shadow: 0 0 8px var(--primary-cyan);
}

.dot:hover {
    background: rgba(0, 212, 255, 0.6);
}

/* 确保卡片高度一致 */
.hero-right {
    display: flex;
    flex-direction: column;
    align-items: stretch;
}

.tech-card-carousel .tech-card-glow {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}


/*信息收集*/
/* 弹窗样式 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}

.modal.show {
    display: flex;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: linear-gradient(145deg, #0a1225, #050b1a);
    border-radius: 28px;
    max-width: 500px;
    width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    border: 1px solid rgba(0, 212, 255, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { transform: translateY(50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
}

.modal-header h3 {
    font-size: 22px;
    color: var(--primary-cyan);
}

.modal-header h3 i {
    margin-right: 10px;
}

.modal-close {
    font-size: 28px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.modal-close:hover {
    color: var(--primary-cyan);
    transform: scale(1.1);
}

.modal-body {
    padding: 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 14px;
}

.form-group label i {
    margin-right: 6px;
    color: var(--primary-cyan);
}

.required {
    color: #ff6b6b;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 12px;
    color: white;
    font-size: 14px;
    transition: all 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-cyan);
    background: rgba(0, 212, 255, 0.05);
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    cursor: pointer;
}

.checkbox-group input {
    width: auto;
    cursor: pointer;
}

.submit-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(90deg, #1e5af7, #0a8cff);
    border: none;
    border-radius: 40px;
    color: white;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 10px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 140, 255, 0.4);
}

.form-note {
    margin-top: 16px;
    font-size: 12px;
    color: var(--text-secondary);
    text-align: center;
}

.form-note i {
    margin-right: 4px;
    color: #2effb0;
}

/* 提示消息 */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: linear-gradient(90deg, #1e5af7, #0a8cff);
    color: white;
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 14px;
    z-index: 2001;
    opacity: 0;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast i {
    margin-right: 8px;
}

/* 弹窗滚动条 */
.modal-content::-webkit-scrollbar {
    width: 6px;
}

.modal-content::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
}

.modal-content::-webkit-scrollbar-thumb {
    background: var(--primary-cyan);
    border-radius: 3px;
}


/*导航栏 下拉框*/
/* 下拉菜单容器 */
.nav-dropdown {
    position: relative;
    display: inline-block;
}

/* 下拉触发按钮 */
.dropdown-trigger {
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
	justify-content: space-evenly;
}

.dropdown-trigger i {
    font-size: 12px;
    transition: transform 0.3s ease;
}

/* 悬停时旋转图标 */
.nav-dropdown:hover .dropdown-trigger i {
    transform: rotate(180deg);
}

/* 下拉菜单内容 */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: rgba(5, 11, 26, 0.95);
    backdrop-filter: blur(12px);
    border-radius: 16px;
    padding: 12px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 212, 255, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    z-index: 100;
}

/* 悬停时显示下拉菜单 */
.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* 下拉菜单项样式 */
.dropdown-menu a {
    display: block;
    padding: 10px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.dropdown-menu a:hover {
    background: rgba(0, 212, 255, 0.12);
    color: var(--primary-cyan);
}

/* 文字内容保持在遮罩层上方 */
.tech-card-glow h3,
.tech-card-glow p,
.tech-card-glow .tech-tag-group {
    position: relative;
    z-index: 2;
}

.tech-card-glow h3 {
    font-size: clamp(22px, 5vw, 28px);
    margin-bottom: 12px;
}

.tech-card-glow p {
    font-size: clamp(13px, 3vw, 15px);
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.tech-tag-group {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.tech-tag-group span {
    background: #1f3a6b;
    padding: 6px 14px;
    border-radius: 30px;
    font-size: 12px;
}

/* ========== 全宽通用样式 ========== */
.section-full {
    width: 100%;
    padding: 80px 5%;
}

.full-width {
    width: 100%;
}

.hero-section {
    padding-top: 80px;
    /*padding-bottom: 60px;*/
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 212, 255, 0.1);
    padding: 6px 18px;
    border-radius: 40px;
    font-size: 14px;
    border: 1px solid var(--border-glow);
    margin-bottom: 24px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--primary-cyan);
    border-radius: 50%;
    display: inline-block;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { opacity: 0.4; transform: scale(0.8);}
    100% { opacity: 1; transform: scale(1.2);}
}

.hero-title {
    font-size: clamp(40px, 6vw, 64px);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
}

.gradient-text {
    background: linear-gradient(120deg, #ffffff, #6ec8ff, var(--primary-blue));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-desc {
    font-size: 18px;
    color: #eef2ff;
    margin-bottom: 32px;
    max-width: 550px;
}

.hero-actions {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.btn-primary {
    background: linear-gradient(90deg, #1e5af7, #0a8cff);
    border: none;
    padding: 12px 32px;
    border-radius: 40px;
    font-weight: 700;
    color: white;
    cursor: pointer;
    transition: transform 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 140, 255, 0.4);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--primary-cyan);
    padding: 12px 28px;
    border-radius: 40px;
    color: var(--primary-cyan);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-outline:hover {
    background: rgba(0, 212, 255, 0.1);
}

.hero-stats {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary-cyan);
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

/* 滚动条 */
.scroll-banner {
    background: linear-gradient(90deg, #020617, #0a1a3a, #020617);
    overflow: hidden;
    white-space: nowrap;
    padding: 18px 0;
    border-top: 1px solid rgba(0, 212, 255, 0.3);
    border-bottom: 1px solid rgba(0, 212, 255, 0.3);
    position: relative;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* 添加两侧渐变淡出效果 */
.scroll-banner::before,
.scroll-banner::after {
    content: "";
    position: absolute;
    top: 0;
    width: 80px;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.scroll-banner::before {
    left: 0;
    background: linear-gradient(90deg, #020617, transparent);
}

.scroll-banner::after {
    right: 0;
    background: linear-gradient(270deg, #020617, transparent);
}

.scroll-content {
    display: inline-block;
    animation: scrollText 30s linear infinite;
    font-size: 15px;
    letter-spacing: 1px;
    color: #cbd5ff;
}

.scroll-content span {
    display: inline-block;
    padding: 4px 8px;
    transition: all 0.3s ease;
    border-radius: 30px;
}

.scroll-content span:hover {
    color: var(--primary-cyan);
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.6);
    transform: scale(1.05);
}

.scroll-content i {
    margin-right: 4px;
    color: var(--primary-cyan);
}

/* 分隔符样式 */
.scroll-content .separator {
    color: rgba(0, 212, 255, 0.5);
    margin: 0 8px;
}

@keyframes scrollText {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

@keyframes scrollText {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* 卡片网格 */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    max-width: 1440px;
    margin: 0 auto;
}

.service-card {
    background: var(--card-bg);
    backdrop-filter: blur(8px);
    border-radius: 28px;
    padding: 32px;
    transition: var(--transition);
    border: 1px solid var(--border-glow);
    position: relative;
}

.service-card:hover {
    transform: translateY(-6px);
    border-color: var(--primary-cyan);
    box-shadow: 0 20px 30px -12px rgba(0, 212, 255, 0.15);
}

.highlight-card {
    border: 1px solid rgba(0, 212, 255, 0.5);
    background: linear-gradient(145deg, rgba(0, 212, 255, 0.05), rgba(12, 20, 40, 0.8));
}

.badge-new {
    position: absolute;
    top: 16px;
    right: 16px;
    background: linear-gradient(90deg, #00d4ff, #2a6fdb);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    color: #fff;
}

.card-icon {
    font-size: 44px;
    margin-bottom: 20px;
    color: var(--primary-cyan);
}

.tag-group {
    margin-top: 16px;
}

.tag {
    display: inline-block;
    background: #1f3a6b;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    margin-right: 8px;
    margin-bottom: 6px;
}

.section-header {
    text-align: center;
    margin-bottom: clamp(40px, 8vw, 64px);
}

.section-header h2 {
    font-size: clamp(28px, 6vw, 42px);
    font-weight: 700;
    margin-bottom: 16px;
}

.section-header p {
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
    font-size: clamp(14px, 3vw, 16px);
}

/* 特性区域 */
.feature-spotlight {
    background: linear-gradient(145deg, #07122e, #010312);
}

.feature-row {
    display: flex;
    flex-wrap: wrap;
    gap: 48px;
    align-items: center;
    max-width: 1440px;
    margin: 0 auto;
}

.feature-text {
    flex: 1;
}

.mini-badge {
    display: inline-block;
    background: rgba(0, 212, 255, 0.15);
    padding: 4px 16px;
    border-radius: 30px;
    font-size: 13px;
    margin-bottom: 16px;
}

.feature-list {
    list-style: none;
    margin: 24px 0;
}

.feature-list li {
    margin: 16px 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.feature-list i {
    color: var(--primary-cyan);
    width: 24px;
}

.feature-visual {
    flex: 1;
}

.visual-card {
    background: rgba(0, 10, 30, 0.6);
    border-radius: 32px;
    padding: 40px 28px;
    text-align: center;
    border: 1px solid var(--border-glow);
}

.visual-card i {
    font-size: 64px;
    color: var(--primary-cyan);
    margin-bottom: 20px;
}

.line-glow {
    width: 60px;
    height: 2px;
    background: var(--primary-cyan);
    margin: 20px auto;
}

/* 双栏特色板块 */
.dual-feature {
    background: linear-gradient(135deg, #07122e, #010312);
}

.dual-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    max-width: 1440px;
    margin: 0 auto;
}

.dual-card {
    background: rgba(12, 20, 40, 0.7);
    backdrop-filter: blur(8px);
    border-radius: 36px;
    padding: 40px 32px;
    transition: var(--transition);
    border: 1px solid var(--border-glow);
}

.dual-card:hover {
    transform: translateY(-6px);
    border-color: var(--primary-cyan);
}

.dual-icon {
    font-size: 56px;
    color: var(--primary-cyan);
    margin-bottom: 20px;
}

.dual-card h2 {
    font-size: 32px;
    margin-bottom: 12px;
}

.dual-tag {
    color: var(--primary-cyan);
    font-size: 14px;
    margin-bottom: 20px;
}

.dual-list {
    list-style: none;
    margin: 24px 0;
}

.dual-list li {
    margin: 12px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.dual-list i {
    color: #2effb0;
}

.tech-stats {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 24px;
}

.tech-stats span {
    background: rgba(0, 212, 255, 0.15);
    padding: 6px 14px;
    border-radius: 30px;
    font-size: 12px;
}

/* 农业板块 */
.agro-section {
    background: radial-gradient(circle at 70%, #07122e, #010312);
}

.agro-container {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    align-items: center;
    max-width: 1440px;
    margin: 0 auto;
}

.agro-text {
    flex: 1;
}

.stats-mini {
    display: flex;
    gap: 32px;
    margin-top: 24px;
}

.stats-mini strong {
    font-size: 28px;
    color: var(--primary-cyan);
    display: block;
}

.agro-icon {
    flex: 1;
    text-align: center;
}

.agro-icon i {
    font-size: 80px;
    background: #1f3e6b;
    padding: 28px;
    border-radius: 50%;
}

.circle-tags {
    margin-top: 20px;
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.circle-tags span {
    background: #1f3a6b;
    padding: 6px 16px;
    border-radius: 30px;
}

/* 无人机放牧板块 */
.drone-herding {
    background: radial-gradient(circle at 30%, #07122e, #02061a);
}

.herding-container {
    display: flex;
    flex-wrap: wrap;
    gap: 48px;
    align-items: center;
    max-width: 1440px;
    margin: 0 auto;
}

.herding-text {
    flex: 1.2;
}

.herding-features {
    margin: 28px 0;
}

.herding-features div {
    margin: 16px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
}

.herding-features i {
    color: var(--primary-cyan);
    width: 28px;
    font-size: 20px;
}

.herding-visual {
    flex: 1;
    text-align: center;
    background: rgba(0, 212, 255, 0.03);
    border-radius: 48px;
    padding: 48px 32px;
    border: 1px solid var(--border-glow);
}

.herding-visual i {
    font-size: 100px;
    color: var(--primary-cyan);
    margin-bottom: 24px;
}

.drone-stats {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.drone-stats span {
    background: #1f3a6b;
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 13px;
}

/* AI大装置 */
.core-tech {
    background: #020817;
}

.tech-stack {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 28px;
    max-width: 1200px;
    margin: 0 auto;
}

.tech-item {
    text-align: center;
    padding: 28px;
    background: rgba(255,255,255,0.02);
    border-radius: 28px;
    transition: var(--transition);
}

.tech-item i {
    font-size: 42px;
    color: var(--primary-cyan);
    margin-bottom: 16px;
}


/* 视频弹窗样式 */
.video-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}

.video-modal.show {
    display: flex;
    animation: fadeIn 0.3s ease;
}

.video-modal-content {
    background: linear-gradient(145deg, #0a1225, #050b1a);
    border-radius: 24px;
    max-width: 900px;
    width: 90%;
    border: 1px solid rgba(0, 212, 255, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    animation: zoomIn 0.3s ease;
}

@keyframes zoomIn {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.video-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
}

.video-modal-header h3 {
    font-size: 18px;
    color: var(--primary-cyan);
}

.video-modal-header h3 i {
    margin-right: 8px;
}

.video-modal-close {
    font-size: 28px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s;
    line-height: 1;
}

.video-modal-close:hover {
    color: var(--primary-cyan);
    transform: scale(1.1);
}

.video-container {
    position: relative;
    padding: 20px;
}

.video-container video,
.video-container iframe {
    width: 100%;
    height: auto;
    max-height: 500px;
    min-height: 300px;
    border-radius: 16px;
    background: #000;
    outline: none;
}

.video-container video {
    cursor: pointer;
}

/* 视频控件样式优化 */
.video-container video::-webkit-media-controls-panel {
    background: linear-gradient(90deg, #0a1225, #050b1a);
}

.video-modal-footer {
    padding: 12px 20px 20px;
    text-align: center;
    border-top: 1px solid rgba(0, 212, 255, 0.1);
}

.video-modal-footer p {
    font-size: 13px;
    color: var(--text-secondary);
}

/* 响应式适配 */
@media (max-width: 768px) {
    .video-modal-content {
        width: 95%;
    }
    
    .video-container video,
    .video-container iframe {
        max-height: 350px;
        min-height: 200px;
    }
    
    .video-modal-header h3 {
        font-size: 16px;
    }
}


/* 聊天窗口样式 */
.chat-widget {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 380px;
    height: 520px;
    background: linear-gradient(145deg, #0a1225, #050b1a);
    border-radius: 24px;
    border: 1px solid rgba(0, 212, 255, 0.3);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    z-index: 1001;
    display: none;
    flex-direction: column;
    overflow: hidden;
    animation: slideUp 0.3s ease;
}

.chat-widget.open {
    display: flex;
}

@keyframes slideUp {
    from { transform: translateY(50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: rgba(0, 212, 255, 0.1);
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
    cursor: pointer;
}

.chat-header span:first-child {
    color: var(--primary-cyan);
    font-weight: 600;
    font-size: 16px;
}

.chat-close {
    cursor: pointer;
    font-size: 22px;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.chat-close:hover {
    color: var(--primary-cyan);
    transform: scale(1.1);
}

.chat-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-messages {
    flex: 1;
    padding: 16px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* 自定义滚动条 */
.chat-messages::-webkit-scrollbar {
    width: 4px;
}

.chat-messages::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 2px;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--primary-cyan);
    border-radius: 2px;
}

.message {
    max-width: 85%;
    padding: 10px 14px;
    border-radius: 18px;
    font-size: 14px;
    line-height: 1.5;
}

.message.bot {
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.2);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.message.user {
    background: linear-gradient(90deg, #1e5af7, #0a8cff);
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

.message.bot strong {
    color: var(--primary-cyan);
    display: block;
    margin-bottom: 6px;
}

.message.bot p {
    margin-bottom: 8px;
}

.quick-options {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.quick-options button {
    background: rgba(0, 212, 255, 0.12);
    border: 1px solid rgba(0, 212, 255, 0.3);
    padding: 6px 14px;
    border-radius: 30px;
    font-size: 12px;
    color: var(--text-main);
    cursor: pointer;
    transition: all 0.2s;
}

.quick-options button:hover {
    background: rgba(0, 212, 255, 0.25);
    border-color: var(--primary-cyan);
    transform: translateY(-1px);
}

.chat-input {
    display: flex;
    padding: 12px 16px;
    border-top: 1px solid rgba(0, 212, 255, 0.2);
    gap: 10px;
    background: rgba(0, 0, 0, 0.2);
}

.chat-input input {
    flex: 1;
    padding: 10px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 30px;
    color: white;
    font-size: 14px;
    outline: none;
    transition: all 0.2s;
}

.chat-input input:focus {
    border-color: var(--primary-cyan);
    background: rgba(0, 212, 255, 0.05);
}

.chat-input button {
    width: 42px;
    height: 42px;
    background: linear-gradient(90deg, #1e5af7, #0a8cff);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    transition: all 0.2s;
}

.chat-input button:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 10px rgba(0, 140, 255, 0.4);
}

.chat-footer {
    padding: 12px;
    text-align: center;
    border-top: 1px solid rgba(0, 212, 255, 0.1);
    font-size: 12px;
    color: var(--text-secondary);
}

.chat-footer a {
    color: var(--primary-cyan);
    text-decoration: none;
}

.chat-footer a:hover {
    text-decoration: underline;
}

.wecom-tip {
    margin-top: 6px;
    font-size: 11px;
    color: #8e9ecc;
}

.wecom-tip i {
    color: #07c160;
}

/* 聊天窗口浮动按钮 */
.chat-toggle-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    background: linear-gradient(90deg, #1e5af7, #0a8cff);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0, 140, 255, 0.4);
    transition: all 0.3s ease;
}

.chat-toggle-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 140, 255, 0.5);
}

.chat-toggle-btn i {
    font-size: 26px;
    color: white;
}

/* 企业微信二维码弹窗 */
.wecom-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}

.wecom-modal.show {
    display: flex;
    animation: fadeIn 0.2s ease;
}

.wecom-modal-content {
    background: linear-gradient(145deg, #0a1225, #050b1a);
    border-radius: 28px;
    padding: 30px;
    text-align: center;
    border: 1px solid rgba(0, 212, 255, 0.3);
    max-width: 320px;
    width: 85%;
}

.wecom-modal-content img {
    width: 200px;
    height: 200px;
    margin: 10px auto;
    border-radius: 16px;
}

.wecom-modal-content h4 {
    color: var(--primary-cyan);
    margin: 16px 0 8px;
}

.wecom-modal-content p {
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 16px;
}

.wecom-close {
    background: linear-gradient(90deg, #1e5af7, #0a8cff);
    border: none;
    padding: 10px 24px;
    border-radius: 40px;
    color: white;
    cursor: pointer;
    font-weight: 600;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}


/* 关于我们 */
.about-section {
    background: transparent;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 32px;
    max-width: 1200px;
    margin: 0 auto;
}

.about-card {
    background: var(--card-bg);
    padding: 32px;
    border-radius: 28px;
    text-align: center;
}

/* 页脚 */
.full-width-footer {
    background: #020617;
    border-top: 1px solid var(--border-glow);
    padding: 48px 5% 24px;
}

.footer-container {
    max-width: 1440px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-cyan);
}

.copyright {
    text-align: center;
    margin-top: 48px;
    font-size: 13px;
    color: var(--text-secondary);
    border-top: 1px solid #1f2b4e;
    padding-top: 24px;
}

/* ========== 响应式 ========== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .menu-toggle {
        display: block;
    }
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: rgba(5, 11, 26, 0.98);
        backdrop-filter: blur(16px);
        padding: 20px;
        gap: 20px;
        border-bottom: 1px solid var(--primary-cyan);
    }
    .hero-container {
        flex-direction: column;
        align-items: center;
    }
    .hero-left {
        text-align: center;
    }
    .hero-desc {
        margin-left: auto;
        margin-right: auto;
    }
    .hero-stats {
        justify-content: center;
    }
    .hero-right {
        width: 100%;
        align-items: center;
    }
    .tech-card-glow {
        min-height: 300px;
    }
	.tech-card-carousel {
        min-height: 300px;  /* 移动端根据内容调整 */
    }
    
    .tech-card-carousel .tech-card-glow {
        padding: 20px 16px;
    }
    .feature-row {
        flex-direction: column;
    }
    .section-full {
        padding: 60px 5%;
    }
	.section-full-c {
        padding: 60px 5%;
    }
    .hero-section {
        padding-top: 100px;
    }
    .dual-container {
        grid-template-columns: 1fr;
    }
    .herding-container {
        flex-direction: column;
        text-align: center;
    }
	.herding-container-c {
        flex-direction: column;
        text-align: center;
    }
    .herding-features div {
        justify-content: center;
    }
    .cards-grid {
        grid-template-columns: 1fr;
    }
    .logo-img {
        height: 35px;
    }
    .floating-sidebar {
        transform: translateY(-50%) scale(0.95);
    }
	.scroll-banner {
        padding: 12px 0;
    }
    .scroll-banner::before,
    .scroll-banner::after {
        width: 40px;
    }
    .scroll-content {
        font-size: 12px;
    }
	.dropdown-menu {
        position: static;
        background: rgba(5, 11, 26, 0.98);
        backdrop-filter: blur(8px);
        box-shadow: none;
        border: none;
        padding-left: 20px;
        max-height: 0;
        overflow: hidden;
        transform: none;
        transition: max-height 0.3s ease;
    }
    
    .nav-dropdown.open .dropdown-menu {
        max-height: 300px;
        opacity: 1;
        visibility: visible;
    }
    
    .dropdown-trigger i {
        transition: transform 0.3s ease;
    }
    
    .nav-dropdown.open .dropdown-trigger i {
        transform: rotate(180deg);
    }
	
	 .chat-widget {
        width: 90%;
        right: 5%;
        left: 5%;
        bottom: 80px;
        height: 480px;
    }
    
    .chat-toggle-btn {
        bottom: 20px;
        right: 20px;
        width: 48px;
        height: 48px;
    }
    
    .chat-toggle-btn i {
        font-size: 22px;
    }
}