/* ==========================================================================
   CSS Variables & Base
   ========================================================================== */
:root {
    --c-primary: #0a4b9c; /* 亮科技蓝 */
    --c-accent: #0088ff; /* 亮青蓝 */
    --c-text: #333333;
    --c-text-light: #666666;
    --c-bg: #ffffff;
    --c-bg-light: #f4f7fb;
    --c-border: #eaeef3;
    --c-mobile-nav: #161a23; /* 移动端导航保留深色 */
    
    --h-header: 80px;
    --h-header-mobile: 60px;
    
    --trans-fast: 0.2s ease;
    --trans-normal: 0.3s ease;
    --trans-slow: 0.5s ease;
}

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

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    color: var(--c-text);
    background-color: var(--c-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; transition: var(--trans-normal); }
ul, ol { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 15px; }
/* 减小全局 section 间距 */
.section { padding: 60px 0; }
.text-center { text-align: center; }

/* ==========================================================================
   Typography & Buttons
   ========================================================================== */
.modern-title { margin-bottom: 40px; }
.modern-title .super-title {
    font-size: 13px; color: var(--c-accent); letter-spacing: 2px; margin-bottom: 8px; font-weight: 600; text-transform: uppercase;
}
.modern-title h2 { font-size: 34px; font-weight: 700; color: #222; letter-spacing: 1px; margin-bottom: 12px; }
.modern-title h2 span { color: var(--c-primary); position: relative; }
.modern-title h2 span::after {
    content: ''; position: absolute; left: 0; bottom: 5px; width: 100%; height: 8px;
    background: rgba(0, 136, 255, 0.15); z-index: -1;
}
.modern-title p { font-size: 15px; color: var(--c-text-light); max-width: 600px; }
.modern-title.text-center p { margin: 0 auto; }

.btn-tech {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 12px 28px; border-radius: 30px; font-size: 15px; font-weight: 600;
    cursor: pointer; transition: var(--trans-normal); position: relative; overflow: hidden;
}
.btn-primary-tech { background: var(--c-primary); color: #fff; box-shadow: 0 8px 20px rgba(10, 75, 156, 0.25); border: 2px solid var(--c-primary); }
.btn-primary-tech:hover { background: #0056b3; border-color: #0056b3; box-shadow: 0 10px 25px rgba(10, 75, 156, 0.35); }
.btn-primary-tech i { margin-left: 8px; transition: transform 0.3s; }
.btn-primary-tech:hover i { transform: translateX(5px); }

.btn-outline-tech { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.8); }
.btn-outline-tech:hover { background: #fff; color: var(--c-primary); }
/* 浅色背景下的小按钮 */
.small-btn { padding: 8px 20px; font-size: 14px; border-color: var(--c-primary); color: var(--c-primary); background: transparent; }
.small-btn:hover { background: var(--c-primary); color: #fff; }


/* ==========================================================================
   Header & Common Nav Structure
   ========================================================================== */
.header {
    position: fixed; top: 0; left: 0; width: 100%; height: var(--h-header);
    background: transparent; color: #fff; z-index: 1000;
    transition: background 0.3s, box-shadow 0.3s, backdrop-filter 0.3s;
}
.header .logo-black { display: none; }

.header.scrolled  ,#scrolled {
    background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(10px); color: #333;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05); border-bottom: 1px solid var(--c-border);
}
.header.scrolled .nav-item > a , #scrolled .nav-item > a { color: #333; }
.header.scrolled .nav-item:hover > a,#scrolled .nav-item:hover > a { color: var(--c-primary); }
.header.scrolled .mobile-toggle ,#scrolled .mobile-toggle { color: #333; }
.header.scrolled .logo-black , #scrolled .logo-black { display: block; }
.header.scrolled .logo-white,  #scrolled .logo-white{ display: none; }

.header-container { max-width: 1400px; margin: 0 auto; padding: 0 20px; display: flex; justify-content: space-between; align-items: center; height: 100%; }
.logo img { height: 58px; transition: var(--trans-normal); }

/* 右侧工具栏 (搜索/语言/会员) */
.header-actions { display: flex; align-items: center; gap: 20px; height: 100%; }
.header-right { display: flex; align-items: center; gap: 15px; height: 100%; padding-top: 2px; }
.hr-item { position: relative; cursor: pointer; color: #fff; transition: color 0.3s; height: 100%; display: flex; align-items: center; }
.header.scrolled .hr-item , #scrolled .hr-item { color: #333; }
.hr-item:hover, .hr-item.active { color: var(--c-accent); }
.hr-icon { font-size: 18px; pointer-events: none; }
.hr-text { font-size: 15px; font-weight: 500; display: flex; align-items: center; gap: 4px; pointer-events: none; }

/* Dropdown */
.hr-dropdown {
    position: absolute; top: 100%; right: -10px; width: max-content; min-width: 130px;
    background: #fff; box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    opacity: 0; visibility: hidden; transform: translateY(10px);
    transition: var(--trans-fast); border-top: 3px solid var(--c-primary);
    border-radius: 0 0 6px 6px; padding: 10px 0; z-index: 1002;
    cursor: default; pointer-events: none;
}
.hr-item.active .hr-dropdown { opacity: 1; visibility: visible; transform: translateY(0); pointer-events: auto; }

/* Language Dropdown Scroll */
.hr-lang-dropdown { max-height: 350px; overflow-y: auto; }
.hr-lang-dropdown::-webkit-scrollbar { width: 4px; }
.hr-lang-dropdown::-webkit-scrollbar-thumb { background: #ccc; border-radius: 4px; }

.hr-dropdown a {
    display: block; padding: 10px 20px; color: var(--c-text); font-size: 14px;
    transition: all 0.3s; white-space: nowrap; text-align: left;
}
.hr-dropdown a i { margin-right: 8px; width: 14px; text-align: center; color: var(--c-text-light); }
.hr-dropdown a:hover, .hr-dropdown a.active { background: var(--c-bg-light); color: var(--c-primary); }
.hr-dropdown a:hover i, .hr-dropdown a.active i { color: var(--c-primary); }

/* Search Mega Menu (Full Width) */
.hr-search-mega-container {
    position: fixed; top: var(--h-header); left: 0; right: 0; width: 100%; z-index: 999;
    pointer-events: none;
}
.hr-search-mega {
    position: absolute; top: 0; left: 0; right: 0; width: 100%;
    background: #fff; box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    opacity: 0; visibility: hidden; transform: translateY(-10px);
    transition: var(--trans-fast); border-top: 3px solid var(--c-primary);
    padding: 40px 0; pointer-events: auto;
}
.hr-search-mega.active { opacity: 1; visibility: visible; transform: translateY(0); }
.search-mega-inner {
    max-width: 800px; margin: 0 auto; padding: 0 20px;
    display: flex; flex-direction: column; gap: 20px;
}
.mega-search-form {
    display: flex; height: 50px; border: 2px solid var(--c-primary); border-radius: 25px; overflow: hidden;
}
.mega-search-form input {
    flex: 1; border: none; padding: 0 25px; outline: none; font-size: 16px;
}
.mega-search-form button {
    background: var(--c-primary); color: #fff; border: none; padding: 0 30px;
    font-size: 16px; font-weight: 500; cursor: pointer; transition: background 0.3s;
}
.mega-search-form button:hover { background: #0056b3; }

.hot-search {
    display: flex; flex-wrap: wrap; gap: 10px 15px; align-items: center;
    font-size: 14px; color: var(--c-text-light);
}
.hot-search span { font-weight: 500; color: #333; }
.hot-search a {
    color: var(--c-text-light); transition: color 0.3s;
}
.hot-search a:hover { color: var(--c-primary); }
.hr-search-close { display: none; }

/* Logo 切换逻辑：使用 CSS filter 处理浅色/深色切换 */
/* .header.scrolled .logo img { filter: invert(1) hue-rotate(180deg) brightness(0.5); } */

/* PC 导航布局 */
.main-nav { height: 100%; margin-left: auto; margin-right: 20px; }
.m-nav-header { display: none; }
.nav-overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100vh; background: rgba(0,0,0,0.6); z-index: 1005; opacity: 0; transition: opacity 0.3s; }

.nav-list { display: flex; height: 100%; }
.nav-item { position: relative; height: 100%; }
.nav-item > a {
    display: flex; align-items: center; padding: 0 20px; height: 100%;
    font-size: 16px; font-weight: 500; color: #fff; transition: color 0.3s;
}
.nav-item > a .m-icon { display: none; }
.nav-item > a .pc-icon { margin-left: 5px; font-size: 12px; transition: transform 0.3s; }
.nav-item:hover > a { color: var(--c-accent); }
.nav-item:hover > a .pc-icon { transform: rotate(180deg); }

/* 普通下拉菜单 (PC) */
.sub-menu {
    position: absolute; top: 100%; left: 0; width: 220px;
    background: #fff; box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    opacity: 0; visibility: hidden; transform: translateY(10px);
    transition: var(--trans-fast); border-top: 3px solid var(--c-primary);
    border-radius: 0 0 6px 6px; overflow: hidden;
}
.nav-item:hover .sub-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.m-back { display: none; }

.sub-menu-inner a { display: block; padding: 12px 20px; color: var(--c-text); border-bottom: 1px solid var(--c-bg-light); font-size: 14px; transition: all 0.3s; }
.sub-menu-inner a:hover { background: var(--c-bg-light); color: var(--c-primary); padding-left: 25px; }

/* Mega Menu (PC) */
.has-mega { position: static; }
.mega-menu {
    position: absolute; top: 100%; left: 0; width: 100%;
    background: #fff; color: var(--c-text);
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    opacity: 0; visibility: hidden; transform: translateY(10px);
    transition: var(--trans-fast); border-top: 3px solid var(--c-primary); z-index: 1001;
}
.nav-item.has-mega:hover .mega-menu { opacity: 1; visibility: visible; transform: translateY(0); }

.mega-inner { max-width: 1400px; margin: 0 auto; display: flex; min-height: 450px; }

/* Mega Sidebar (PC) */
.mega-sidebar { width: 320px; background: var(--c-bg-light); border-right: 1px solid var(--c-border); }
.mega-tabs li {
    padding: 16px 20px; font-size: 15px; color: #444; cursor: pointer;
    border-bottom: 1px solid var(--c-border); transition: var(--trans-fast); position: relative;
    display: flex; justify-content: space-between; align-items: center;
}
.mega-tabs li .m-icon { display: none; }
.mega-tabs li:hover, .mega-tabs li.active { background: #fff; color: var(--c-primary); font-weight: bold; padding-left: 25px; }
.mega-tabs li.active::before { content: ''; position: absolute; left: 0; top: 0; width: 4px; height: 100%; background: var(--c-primary); }

/* Mega Content (PC) */
.mega-content { flex: 1; padding: 30px 40px; background: #fff; position: relative; overflow: hidden; }
.mega-panel { display: none; animation: fadeIn 0.3s; }
.mega-panel.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.panel-scroll { display: flex; flex-direction: column; gap: 30px; }
.panel-scroll.cols-4 { display: flex; flex-direction: column; gap: 30px; }
.panel-scroll.cols-5 { display: flex; flex-direction: column; gap: 30px; }
.sub-group { width: 100%; margin-bottom: 0; }
.sub-group h4 { font-size: 16px; color: var(--c-primary); border-bottom: 1px solid var(--c-border); padding-bottom: 10px; margin-bottom: 15px; }
.sub-items { display: flex; flex-wrap: wrap; gap: 10px 20px; }
.sub-items a { display: inline-block; font-size: 14px; color: var(--c-text-light); transition: var(--trans-fast); }
.sub-items a:hover { color: var(--c-primary); transform: translateX(5px); }


/* ==========================================================================
   Mobile Nav (通过 CSS 控制相同 HTML 结构)
   ========================================================================== */
.mobile-toggle { display: none; font-size: 24px; color: #fff; cursor: pointer; }
@media (max-width: 1322px) {
    .nav-item > a { padding: 0 13px;}
}

@media (max-width: 1024px) {
    .header-actions { gap: 10px; }
    .header-right { gap: 18px; }
    .hr-item { color: #333; }
    .hr-text { font-size: 14px; }
    .hr-dropdown { right: -50px; } /* 防止手机端溢出屏幕 */
    
    .hr-search-mega-container { top: var(--h-header-mobile); }
    .hr-search-mega { padding: 0; background: var(--c-mobile-nav); border-top: none; box-shadow: none; position: fixed; top: var(--h-header-mobile); left: 100%; height: calc(100% - var(--h-header-mobile)); transition: left 0.3s ease; transform: none; opacity: 1; visibility: visible; }
    .hr-search-mega.active { left: 0; }
    .hr-search-close { display: flex; padding: 16px 20px; color: #fff; font-size: 15px; font-weight: bold; border-bottom: 1px solid rgba(255,255,255,0.1); cursor: pointer; background: rgba(255,255,255,0.02); }
    .hr-search-close i { margin-right: 10px; font-size: 16px; margin-top: 2px; }
    .search-mega-inner { padding: 20px; gap: 20px; }
    .mega-search-form { height: 44px; border-radius: 4px; border: none; }
    .mega-search-form input { padding: 0 15px; font-size: 14px; border-radius: 4px 0 0 4px; }
    .mega-search-form button { padding: 0 20px; font-size: 14px; border-radius: 0 4px 4px 0; }
    .hot-search span { color: #fff; }
    .hot-search a { color: #888; }
    .hot-search a:hover { color: #fff; }

    .header { height: var(--h-header-mobile); background: rgba(255,255,255,0.95); backdrop-filter: blur(10px); border-bottom: 1px solid var(--c-border); }
    /* .header .logo img { filter: invert(1) hue-rotate(180deg) brightness(0.5); } */
    .logo img {height: 40px;}
    .mobile-toggle { display: block; color: #333; }
    .nav-overlay.show { display: block; opacity: 1; height: 100vh; }
    
    .main-nav { position: fixed; top: 0; left: -100%; width: 320px; max-width: 90vw; height: 100vh; background: var(--c-mobile-nav); z-index: 1010; transition: left 0.4s cubic-bezier(0.77, 0, 0.175, 1); display: flex; flex-direction: column; }
    .main-nav.open { left: 0; }
    
    .m-nav-header { display: flex; justify-content: space-between; align-items: center; height: var(--h-header-mobile); padding:  20px 20px 20px 10px; border-bottom: 1px solid rgba(255,255,255,0.05); flex-shrink: 0; }
    .m-nav-header img { height: 40px; }
    .nav-close-btn { font-size: 24px; color: #888; cursor: pointer; }
    .header .logo .logo-white { display: none; }
    .header .logo .logo-black { display: block; }
    .header .nav-list { flex-direction: column; height: auto; flex: 1; overflow-y: auto; overflow-x: hidden; position: static; }
    .header .nav-item { height: auto; position: static; }
    .header .nav-item > a { padding: 16px 20px; border-bottom: 1px solid rgba(255,255,255,0.05); color: #e0e0e0; justify-content: space-between; }
    .header .nav-item > a .pc-icon { display: none; }
    .header .nav-item > a .m-icon { display: block; color: #888; font-size: 14px; }
    .header.scrolled .nav-item > a , #scrolled .nav-item > a { color: #e0e0e0; }

    .sub-menu, .mega-menu { position: absolute; top: var(--h-header-mobile); right: 100%; left: auto; width: 100%; height: calc(100% - var(--h-header-mobile)); background: var(--c-mobile-nav); box-shadow: none; border-top: none; border-radius: 0; opacity: 1; visibility: visible; transform: none; transition: right 0.3s ease; z-index: 2; display: flex; flex-direction: column; overflow: hidden; }
    .sub-menu.slide-in, .mega-menu.slide-in { right: 0; }
    
    .sub-menu-inner { flex: 1; overflow-y: auto; }
    
    .m-back { display: flex; padding: 16px 20px; color: #fff; font-size: 15px; font-weight: bold; border-bottom: 1px solid rgba(255,255,255,0.1); cursor: pointer; background: rgba(255,255,255,0.02); }
    .m-back i { margin-right: 10px; font-size: 16px; margin-top: 2px; }

    .sub-menu-inner a { color: #aaa; border-bottom: 1px solid rgba(255,255,255,0.05); }
    .sub-menu-inner a:hover { background: rgba(255,255,255,0.05); color: #fff; padding-left: 20px; }
    
    .mega-inner { flex: 1; display: flex; flex-direction: column; overflow: hidden; min-height: auto; }
    .mega-sidebar { flex: 1; overflow-y: auto; width: 100%; background: transparent; border-right: none; }
    .mega-tabs li { color: #aaa; border-bottom: 1px solid rgba(255,255,255,0.05); }
    .mega-tabs li .m-icon { display: block; color: #888; }
    .mega-tabs li:hover, .mega-tabs li.active { background: rgba(255,255,255,0.05); color: #fff; padding-left: 20px; }
    .mega-tabs li.active::before { display: none; }
    
    .mega-content { padding: 0; background: transparent; }
    .mega-panel { position: absolute; top: 0; right: 100%; left: auto; width: 100%; height: 100%; background: var(--c-mobile-nav); transition: right 0.3s ease; z-index: 3; display: flex; flex-direction: column; animation: none; overflow: hidden; }
    .mega-panel.slide-in { right: 0; }
    .panel-scroll { flex: 1; overflow-y: auto; padding: 20px; display: block; }
    .sub-group { margin-bottom: 20px; }
    .sub-group h4 { color: #fff; border-bottom-color: rgba(255,255,255,0.1); }
    .sub-items { display: block; }
    .sub-items a { display: block; color: #888; padding: 8px 0; border-bottom: 1px dashed rgba(255,255,255,0.05); }
    .sub-items a:hover { color: #fff; transform: none; }

    /* Product Search Mobile Adjustments */
    .product-search-box { margin: 10px auto 20px; padding: 0 10px; }
    .product-search-box form { height: 44px; }
    .product-search-box input { padding: 0 15px; font-size: 14px; }
    .product-search-box button { padding: 0 20px; font-size: 14px; }
}


/* ==========================================================================
   Hero Banner Section
   ========================================================================== */
.hero-section { position: relative; height: 90vh; min-height: 600px; width: 100%; display: flex; align-items: center; justify-content: center; overflow: hidden; background: #000; }
.hero-video-bg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; }
.hero-video-bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.8; }
.hero-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(135deg, rgba(10,15,24,0.85) 0%, rgba(10,75,156,0.6) 100%); }

.hero-content { position: relative; z-index: 1; color: #fff; text-align: center; width: 100%; padding: 0 20px; }
.hero-title-box { max-width: 900px; margin: 0 auto; }
.hero-title { font-size: 56px; font-weight: 800; margin-bottom: 20px; letter-spacing: 2px; }
.hero-title span { color: #00c3ff; }
.hero-subtitle { font-size: 20px; color: #eef2f6; margin-bottom: 40px; font-weight: 300; }
.hero-action { display: flex; justify-content: center; gap: 20px; }


/* ==========================================================================
   1. About Section
   ========================================================================== */
.about-modern { padding: 70px 0; background: var(--c-bg-light); position: relative; overflow: hidden; }
.about-flex { display: flex; gap: 50px; align-items: center; }

.about-info { flex: 1; }
.about-info .lead-text { font-size: 18px; color: var(--c-primary); font-weight: 500; margin-bottom: 15px; line-height: 1.6; }
.about-info .sub-text { font-size: 14px; color: var(--c-text-light); margin-bottom: 30px; }

.about-stats { display: flex; gap: 30px; }
.stat-item h4 { font-size: 26px; color: #222; font-weight: 800; margin-bottom: 5px; }
.stat-item p { font-size: 12px; color: #888; text-transform: uppercase; letter-spacing: 1px; }

.about-visual { flex: 1; position: relative; }
.visual-wrapper { position: relative; z-index: 2; padding-right: 30px; padding-bottom: 30px; }
.visual-wrapper .main-img { border-radius: 12px; box-shadow: 0 15px 40px rgba(0,0,0,0.1); width: 100%; position: relative; z-index: 2; }
.decor-circle { position: absolute; right: 0; bottom: 0; width: 200px; height: 200px; background: linear-gradient(135deg, rgba(10,75,156,0.1), rgba(0,136,255,0.1)); border-radius: 50%; z-index: 1; }

.glass-effect {
    background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 1); box-shadow: 0 10px 30px rgba(0,0,0,0.08); border-radius: 12px;
}
.float-box { position: absolute; left: -30px; top: 40px; z-index: 3; padding: 20px 25px; display: flex; align-items: center; gap: 15px; animation: floatY 6s ease-in-out infinite; }
@keyframes floatY { 0% { transform: translateY(0); } 50% { transform: translateY(-10px); } 100% { transform: translateY(0); } }
.float-box .icon-circle { width: 45px; height: 45px; background: var(--c-bg-light); border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.float-box i { font-size: 22px; color: var(--c-primary); }
.float-box h5 { font-size: 16px; color: #222; margin-bottom: 2px; font-weight: 600; }
.float-box span { font-size: 12px; color: #666; }


/* ==========================================================================
   2. Products Showcase (浅色紧凑版)
   ========================================================================== */
.product-search-box { margin: 20px auto 40px; max-width: 600px; width: 100%; position: relative; padding: 0 15px; }
.product-search-box form { display: flex; align-items: stretch; background: #fff; border: 2px solid var(--c-primary); border-radius: 30px; overflow: hidden; box-shadow: 0 4px 15px rgba(10, 75, 156, 0.1); transition: all 0.3s ease; height: 40px; }
.product-search-box form:hover { box-shadow: 0 6px 20px rgba(10, 75, 156, 0.2); }
.product-search-box input { flex: 1; border: none; padding: 0 25px; font-size: 16px; outline: none; color: var(--c-text); background: transparent; }
.product-search-box button { background: var(--c-primary); color: #fff; border: none; padding: 0 30px; font-size: 14px; font-weight: 600; cursor: pointer; transition: background 0.3s ease; display: flex; align-items: center; gap: 8px; }
.product-search-box button:hover { background: var(--c-accent); }

.products-modern { padding: 70px 0; background: #fff; }
.prod-showcase { display: flex; background: #fff; border-radius: 12px; overflow: hidden; box-shadow: 0 10px 40px rgba(0,0,0,0.06); border: 1px solid var(--c-border); min-height: 550px; }

/* 左侧主分类 */
.prod-nav { width: 280px; background: var(--c-bg-light); border-right: 1px solid var(--c-border); }
.prod-nav-list li {
    padding: 18px 22px; display: flex; align-items: center; cursor: pointer;
    border-bottom: 1px solid var(--c-border); color: #555; font-size: 15px;
    transition: all 0.3s ease; position: relative;
}
.prod-nav-list li i:first-child { font-size: 18px; width: 30px; color: #9aa4b8; transition: color 0.3s; }
.prod-nav-list li span { flex: 1; font-weight: 500; }
.prod-nav-list li .arrow { font-size: 14px; opacity: 0; transform: translateX(-10px); transition: all 0.3s; }

.prod-nav-list li:hover { background: #fff; color: var(--c-primary); }
.prod-nav-list li.active { color: var(--c-primary); background: #fff; border-left: 4px solid var(--c-primary); }
.prod-nav-list li.active i:first-child { color: var(--c-primary); }
.prod-nav-list li.active .arrow { opacity: 1; transform: translateX(0); color: var(--c-primary); }

/* 右侧内容面板 */
.prod-content { flex: 1; position: relative; }
.prod-panel { position: absolute; top: 0; left: 0; width: 100%; height: 100%; opacity: 0; visibility: hidden; transition: opacity 0.4s ease; display: flex; flex-direction: column; }
.prod-panel.active { opacity: 1; visibility: visible; position: relative; }

.panel-header { position: relative; height: 160px; width: 100%; overflow: hidden; background: #000; }
.panel-bg { width: 100%; height: 100%; object-fit: cover; opacity: 0.5; transform: scale(1.05); transition: transform 6s ease; }
.prod-panel.active .panel-bg { transform: scale(1); }
.panel-title-overlay { position: absolute; bottom: 0; left: 0; width: 100%; padding: 30px; background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 100%); }
.panel-title-overlay h3 { font-size: 24px; color: #fff; margin-bottom: 8px; }
.panel-title-overlay p { color: #eef2f6; font-size: 13px; max-width: 600px; }

.panel-body { padding: 26px; flex: 1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; overflow-y: auto; }
.panel-body.cols-4 { grid-template-columns: repeat(4, 1fr); gap: 18px; }
.panel-body.cols-5 { grid-template-columns: repeat(5, 1fr); gap: 16px; padding: 22px; }
.sub-cat-title { font-size: 15px; color: var(--c-primary); margin-bottom: 12px; padding-bottom: 7px; border-bottom: 1px solid var(--c-border); font-weight: 600; }
.sub-cat-list li { margin-bottom: 8px; }
.sub-cat-list a { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: #555; padding: 7px 10px; border-radius: 4px; background: var(--c-bg-light); transition: all 0.3s; }
.sub-cat-list a i { font-size: 12px; opacity: 0; transform: translateX(-10px); transition: all 0.3s; color: #fff; }
.sub-cat-list a:hover { background: var(--c-primary); color: #fff; transform: translateX(3px); box-shadow: 0 4px 10px rgba(10, 75, 156, 0.2); }
.sub-cat-list a:hover i { opacity: 1; transform: translateX(0); }


/* ==========================================================================
   3. Chip Solutions (浅色卡片)
   ========================================================================== */
.chips-section { padding: 70px 0; background: var(--c-bg-light); }
.chip-cards-wrapper { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.chip-card {
    height: 360px; border-radius: 12px; overflow: hidden; position: relative;
    box-shadow: 0 10px 30px rgba(0,0,0,0.06); background: #fff;
}
.chip-card .card-bg { position: absolute; top: 0; left: 0; width: 100%; height: 180px; background-size: cover; background-position: center; transition: height 0.4s ease; }
.chip-card:hover .card-bg { height: 150px; }
.chip-card::after { display: none; }

.chip-card .card-content {
    position: absolute; bottom: 0; left: 0; width: 100%; padding: 26px; z-index: 2;
    background: #fff; height: 220px; transition: height 0.4s ease, transform 0.4s ease;
    display: flex; flex-direction: column;
}
.chip-card:hover .card-content { height: 240px; }

.chip-card .icon-wrap {
    width: 48px; height: 48px; background: var(--c-bg-light); border-radius: 50%; display: flex; align-items: center; justify-content: center;
    font-size: 20px; color: var(--c-primary); margin-bottom: 15px; border: 1px solid var(--c-border);
    position: absolute; top: -24px; left: 26px; box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}
.chip-card h3 { font-size: 20px; margin-top: 15px; margin-bottom: 10px; font-weight: 600; color: #222; }
.chip-card p { font-size: 13px; color: var(--c-text-light); margin-bottom: 16px; flex: 1; }
.chip-link { font-size: 14px; font-weight: 500; color: var(--c-primary); display: inline-flex; align-items: center; margin-top: auto; }
.chip-link i { margin-left: 5px; transition: transform 0.3s; }
.chip-card:hover .chip-link i { transform: translateX(5px); }


/* ==========================================================================
   4. Manufacturing & Lab (浅色阴影科技风)
   ========================================================================== */
.manufacture-lab-section { padding: 70px 0; background: #fff; }
.asymmetric-layout { display: grid; grid-template-columns: 1.2fr 1fr; gap: 30px; }

.light-box {
    background: #fff; border: 1px solid var(--c-border); border-radius: 12px; padding: 40px;
    position: relative; overflow: hidden; box-shadow: 0 5px 25px rgba(0,0,0,0.03);
}
.light-box::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px;
    background: linear-gradient(90deg, var(--c-primary), var(--c-accent)); opacity: 0; transition: opacity 0.3s;
}
.light-box:hover::before { opacity: 1; }
.hover-up { transition: transform 0.4s, box-shadow 0.4s; }
.hover-up:hover { transform: translateY(-5px); box-shadow: 0 15px 35px rgba(0,0,0,0.08); }

.box-tag { font-size: 12px; color: #999; letter-spacing: 2px; margin-bottom: 15px; text-transform: uppercase; }
.light-box h3 { font-size: 22px; color: #222; margin-bottom: 20px; display: flex; align-items: center; }
.light-box h3 i { margin-right: 10px; color: var(--c-primary); font-size: 24px; }
.light-box p { color: var(--c-text-light); font-size: 14px; margin-bottom: 15px; line-height: 1.8; }

/* 左侧：加工制造 */
.layout-left { display: flex; flex-direction: column; justify-content: space-between; }
.check-list li { color: #555; font-size: 14px; margin-bottom: 10px; position: relative; padding-left: 22px; }
.check-list li::before { content: '\f00c'; font-family: 'FontAwesome'; position: absolute; left: 0; top: 2px; color: var(--c-accent); font-size: 13px; }
.check-list li strong { color: #333; font-weight: 600; }
.img-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; margin-top: 25px; }
.img-grid img { width: 100%; height: 160px; object-fit: cover; border-radius: 8px; border: 1px solid var(--c-border); transition: transform 0.3s; }
.img-grid img:hover { transform: scale(1.03); }

/* 右侧：实验设备 & 软件开发 */
.layout-right { display: flex; flex-direction: column; gap: 30px; }
.right-box { padding: 35px; }

.accent-border { border-color: rgba(10, 75, 156, 0.15); background: linear-gradient(135deg, #ffffff 0%, #f9fbfd 100%); }
.tags-cloud { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0; }
.tags-cloud span { padding: 5px 14px; background: #fff; border: 1px solid var(--c-border); border-radius: 20px; font-size: 12px; color: #666; transition: all 0.3s; box-shadow: 0 2px 5px rgba(0,0,0,0.02); }
.tags-cloud span:hover { background: var(--c-primary); color: #fff; border-color: var(--c-primary); box-shadow: 0 4px 10px rgba(10,75,156,0.2); }


/* ==========================================================================
   5. News Section (新增)
   ========================================================================== */
.news-section { padding: 70px 0; background: var(--c-bg-light); }
.news-layout { display: grid; grid-template-columns: 1.1fr 1fr; gap: 30px; }

.news-card { display: block; background: #fff; border-radius: 12px; overflow: hidden; box-shadow: 0 5px 20px rgba(0,0,0,0.05); transition: transform 0.3s, box-shadow 0.3s; }
.news-card:hover { transform: translateY(-5px); box-shadow: 0 15px 35px rgba(0,0,0,0.1); }
.news-card .news-img { position: relative; height: 262px; overflow: hidden; }
.news-card .news-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.news-card:hover .news-img img { transform: scale(1.05); }
.news-badge { position: absolute; top: 15px; left: 15px; background: var(--c-primary); color: #fff; padding: 4px 12px; font-size: 12px; border-radius: 4px; }
.news-card .news-info { padding: 30px; }
.news-meta { font-size: 13px; color: #999; margin-bottom: 10px; }
.news-card h3 { font-size: 20px; color: #222; margin-bottom: 12px; font-weight: 600; line-height: 1.4; transition: color 0.3s; }
.news-card:hover h3 { color: var(--c-primary); }
.news-card p { font-size: 14px; color: var(--c-text-light); margin-bottom: 20px; line-height: 1.6; }
.read-more { font-size: 14px; color: var(--c-primary); font-weight: 500; }

.news-list { display: flex; flex-direction: column; gap: 15px; }
.news-list-item { display: flex; background: #fff; border-radius: 12px; padding: 19px; box-shadow: 0 5px 15px rgba(0,0,0,0.03); transition: all 0.3s; align-items: center; border: 1px solid transparent; }
.news-list-item:hover { transform: translateX(5px); box-shadow: 0 10px 25px rgba(0,0,0,0.08); border-color: rgba(10, 75, 156, 0.1); }
.news-date-box { width: 70px; height: 70px; background: var(--c-bg-light); border-radius: 8px; display: flex; flex-direction: column; justify-content: center; align-items: center; margin-right: 20px; flex-shrink: 0; transition: background 0.3s; }
.news-list-item:hover .news-date-box { background: var(--c-primary); color: #fff; }
.news-date-box strong { font-size: 24px; font-weight: 700; color: var(--c-primary); line-height: 1; margin-bottom: 4px; }
.news-list-item:hover .news-date-box strong { color: #fff; }
.news-date-box span { font-size: 12px; color: #888; }
.news-list-item:hover .news-date-box span { color: rgba(255,255,255,0.8); }
.news-list-info { flex: 1; }
.news-list-info h4 { font-size: 16px; color: #222; margin-bottom: 8px; font-weight: 600; line-height: 1.4; transition: color 0.3s; }
.news-list-item:hover h4 { color: var(--c-primary); }
.news-list-info p { font-size: 13px; color: #777; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }


/* ==========================================================================
   Footer
   ========================================================================== */
.footer-tech { background: #0a0f18; color: #8892b0; padding-top: 60px; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid #1f2a40; }
.f-logo { height: 40px; margin-bottom: 20px; }
.f-brand p { font-size: 13px; line-height: 1.8; margin-bottom: 20px; }
.f-qr-codes { display: flex; gap: 20px; }
.qr-item { display: flex; flex-direction: column; align-items: center; }
.qr-item img { width: 120px; height: 120px; border-radius: 4px; margin-bottom: 8px; background: #fff; padding: 4px; }
.qr-item span { font-size: 12px; color: #8892b0; }
.f-links h4, .f-contact h4 { color: #fff; font-size: 15px; margin-bottom: 20px; font-weight: 600; letter-spacing: 1px; }
.f-links ul li { margin-bottom: 12px; }
.f-links a { font-size: 13px; transition: all 0.3s; }
.f-links a:hover { color: var(--c-accent); padding-left: 5px; }
.f-contact li { display: flex; margin-bottom: 15px; font-size: 13px; line-height: 1.6; }
.f-contact i { margin-top: 4px; margin-right: 12px; color: var(--c-accent); font-size: 14px; }
.footer-bottom { text-align: center; padding: 20px 0; font-size: 12px; color: #555; }


/* ==========================================================================
   Responsive Adjustments
   ========================================================================== */
@media (max-width: 1200px) {
    .prod-showcase { flex-direction: column; min-height: auto; }
    .prod-nav { width: 100%; border-right: none; border-bottom: 1px solid var(--c-border); overflow-x: auto; }
    .prod-nav-list { display: flex; width: max-content; }
    .prod-nav-list li { border-bottom: none; border-right: 1px solid var(--c-border); padding: 15px 20px; }
    .prod-nav-list li.active { border-left: none; border-bottom: 3px solid var(--c-primary); }
    .panel-body { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .panel-body.cols-4 { grid-template-columns: repeat(4, 1fr); gap: 16px; padding: 22px; }
    .panel-body.cols-5 { grid-template-columns: repeat(3, 1fr); gap: 16px; padding: 22px; }
    
    .chip-cards-wrapper { grid-template-columns: repeat(2, 1fr); }
    .asymmetric-layout { grid-template-columns: 1fr; }
    .news-layout { grid-template-columns: 1fr; }
}

@media (max-width: 991px) {
    .about-flex { flex-direction: column; gap: 30px; }
    .float-box { position: static; margin-top: 20px; animation: none; }
    .footer-top { grid-template-columns: repeat(2, 1fr); gap: 30px; }
}

@media (max-width: 768px) {
    .section { padding: 40px 0; }
    .hero-section { min-height: 450px; height: 70vh; }
    .hero-title { font-size: 36px; }
    .hero-subtitle { font-size: 15px; }
    .hero-action { flex-direction: column; gap: 15px; }
    .modern-title h2 { font-size: 26px; }
    
    .panel-body { grid-template-columns: 1fr; padding: 20px; }
    .panel-header { height: 120px; }
    .panel-title-overlay { padding: 20px; }
    
    .chip-cards-wrapper { grid-template-columns: 1fr; }
    .img-grid { grid-template-columns: 1fr; }
    .right-box { padding: 25px; }
    
    .news-list-item { flex-direction: column; align-items: flex-start; }
    .news-date-box { margin-bottom: 15px; margin-right: 0; width: 100%; height: auto; padding: 10px; flex-direction: row; justify-content: flex-start; gap: 10px; }
    
    .footer-top { grid-template-columns: 1fr; }
}

/* ==========================================================================
   Inner Pages Styles
   ========================================================================== */

.page-section {
    padding: 60px 0;
    background-color: #f8f9fa;
}

/* Inner Banner */
.inner-banner {
    position: relative;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.ib-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-color: #1a3b5c;
    z-index: 1;
}
.ib-bg::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.5);
}
.ib-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #fff;
    width: 100%;
}
.ib-content h1 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 15px;
    letter-spacing: 2px;
}
.breadcrumb {
    font-size: 14px;
    color: rgba(255,255,255,0.8);
}
.breadcrumb a {
    color: #fff;
    transition: color 0.3s;
}
.breadcrumb a:hover {
    color: #0056b3;
}
.breadcrumb span {
    color: #007bff;
}

/* Sidebar Navigation */
.sidebar-title {
    background: #0056b3;
    color: #fff;
    padding: 15px 20px;
    font-size: 18px;
    font-weight: bold;
    border-radius: 4px 4px 0 0;
}
.sidebar-nav {
    list-style: none;
    padding: 0;
    margin: 0;
    background: #fff;
    border: 1px solid #eee;
    border-top: none;
    border-radius: 0 0 4px 4px;
}
.sidebar-nav > li {
    border-bottom: 1px solid #eee;
}
.sidebar-nav > li:last-child {
    border-bottom: none;
}
.sidebar-nav > li > a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    color: #333;
    font-weight: 600;
    transition: all 0.3s;
}
.sidebar-nav > li > a:hover,
.sidebar-nav > li.active > a {
    background: #f0f7ff;
    color: #0056b3;
}
.sub-nav {
    list-style: none;
    padding: 0;
    margin: 0;
    background: #fafafa;
    display: none;
}
.sub-nav li a {
    display: block;
    padding: 10px 20px 10px 30px;
    color: #666;
    font-size: 14px;
    transition: color 0.3s;
}
.sub-nav li a:hover,
.sub-nav li a.active {
    color: #0056b3;
}

/* Product Layout */
.prod-layout, .single-page-layout {
    display: flex;
    gap: 30px;
}
.prod-sidebar, .sp-sidebar {
    width: 250px;
    flex-shrink: 0;
}
.prod-main, .sp-content {
    flex-grow: 1;
    min-width: 0;
    background: #fff;
    padding: 20px 30px;
    border-radius: 4px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

/* Single Page Title */
.sp-title {
    font-size: 26px;
    color: #333;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
    font-weight: 600;
    position: relative;
}
.sp-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 60px;
    height: 3px;
    background-color: #0056b3;
}

/* Table */
.table-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}
.cat-title {
    font-size: 20px;
    font-weight: bold;
    color: #333;
    border-left: 4px solid #0056b3;
    padding-left: 10px;
}
.table-responsive {
    overflow-x: auto;
    /* allow shift+scroll horizontal */
}
.tech-table {
    width: 100%;
    border-collapse: collapse;
    white-space: nowrap;
}
.tech-table th {
    background: #f4f6f8;
    color: #333;
    padding: 12px 15px;
    text-align: left;
    font-weight: 600;
    border-bottom: 2px solid #ddd;
    position: sticky;
    top: 0;
    z-index: 10;
}
.th-content {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}
.th-content i {
    color: #999;
    font-size: 12px;
}
.th-content:hover i {
    color: #0056b3;
}
.tech-table td {
    padding: 12px 15px;
    border-bottom: 1px solid #eee;
    color: #555;
}
.tech-table tr.stripe td {
    background-color: #fafafa;
}
.tech-table tr:hover td {
    background-color: #f0f7ff;
}
.btn-link {
    color: #0056b3;
    text-decoration: underline;
}

/* Product Detail */
.pd-header {
    display: flex;
    gap: 40px;
    background: #fff;
    padding: 30px;
    border-radius: 4px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    margin-bottom: 30px;
}
.pd-img {
    width: 300px;
    height: 300px;
    flex-shrink: 0;
    border: 1px solid #eee;
    padding: 10px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.pd-img img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}
.pd-info {
    flex-grow: 1;
}
.pd-info h2 {
    font-size: 28px;
    color: #333;
    margin-bottom: 15px;
}
.pd-desc {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
}
.pd-params {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 30px;
    background: #f8f9fa;
    padding: 20px;
    border-radius: 4px;
}
.param-item {
    color: #333;
}
.param-item span {
    color: #888;
}
.pd-actions {
    display: flex;
    gap: 15px;
}
.pd-tabs {
    display: flex;
    border-bottom: 1px solid #ddd;
    margin-bottom: 20px;
}
.pd-tabs span {
    padding: 10px 20px;
    cursor: pointer;
    font-weight: 600;
    color: #666;
    border-bottom: 3px solid transparent;
}
.pd-tabs span.active {
    color: #0056b3;
    border-bottom-color: #0056b3;
}
.pd-tab-content {
    display: none;
    background: #fff;
    padding: 30px;
    border-radius: 4px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.pd-tab-content.active {
    display: block;
}
.pdf-viewer-mock {
    border: 1px solid #ddd;
    border-radius: 4px;
    overflow: hidden;
}
.pdf-toolbar {
    background: #333;
    color: #fff;
    padding: 10px 15px;
    display: flex;
    justify-content: space-between;
}
.pdf-toolbar i {
    margin-left: 15px;
    cursor: pointer;
}
.pdf-body {
    background: #525659;
    padding: 20px;
    text-align: center;
    color: #fff;
    height: 600px;
    overflow-y: auto;
}
.pdf-body img {
    max-width: 100%;
    margin-top: 20px;
}

/* News List */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}
.news-item {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s;
}
.news-item:hover {
    transform: translateY(-5px);
}
.news-item .img-box {
    height: 220px;
    overflow: hidden;
}
.news-item .img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}
.news-item:hover .img-box img {
    transform: scale(1.05);
}
.news-item .info-box {
    padding: 25px;
}
.news-item .date {
    color: #0056b3;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 10px;
}
.news-item h3 {
    font-size: 18px;
    color: #333;
    margin-bottom: 15px;
    line-height: 1.4;
}
.news-item p {
    color: #666;
    line-height: 1.6;
    font-size: 14px;
}
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
}
.pagination a, .pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #fff;
    color: #333;
    border-radius: 4px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    transition: all 0.3s;
}
.pagination a:hover, .pagination span.current {
    background: #0056b3;
    color: #fff;
}

/* Article Detail */
.article-detail {
    background: #fff;
    padding: 50px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}
.article-title {
    font-size: 28px;
    color: #333;
    text-align: center;
    margin-bottom: 20px;
}
.article-meta {
    text-align: center;
    color: #999;
    font-size: 14px;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}
.article-meta span {
    margin: 0 15px;
}
.article-content {
    color: #444;
    line-height: 1.8;
    font-size: 16px;
    padding-top: 30px;
}
.article-content p {
    margin-bottom: 20px;
}
.article-content img {
    max-width: 100%;
    border-radius: 4px;
    margin: 20px 0;
}
.article-nav {
    margin-top: 50px;
    padding-top: 20px;
    border-top: 1px solid #eee;
    display: flex;
    justify-content: space-between;
}
.article-nav a {
    color: #0056b3;
}

/* Chip Solutions */
.chip-solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.solution-detail {
    background: #fff;
    padding: 50px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}
.sd-intro {
    text-align: center;
    margin-bottom: 50px;
}
.sd-intro h2 {
    font-size: 32px;
    color: #333;
    margin-bottom: 20px;
}
.sd-intro p {
    color: #666;
    line-height: 1.8;
    font-size: 16px;
    max-width: 800px;
    margin: 0 auto;
}
.sd-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}
.feature-item {
    text-align: center;
    padding: 30px;
    background: #f8f9fa;
    border-radius: 8px;
}
.feature-item i {
    font-size: 40px;
    color: #0056b3;
    margin-bottom: 20px;
}
.feature-item h4 {
    font-size: 20px;
    color: #333;
    margin-bottom: 15px;
}
.feature-item p {
    color: #666;
    line-height: 1.6;
}
.sd-application, .sd-form {
    margin-bottom: 50px;
}
.sd-application h3, .sd-form h3 {
    font-size: 24px;
    color: #333;
    margin-bottom: 20px;
    border-left: 4px solid #0056b3;
    padding-left: 15px;
}
.app-diagram img {
    max-width: 100%;
    border-radius: 8px;
}
.tech-form {
    background: #f8f9fa;
    padding: 40px;
    border-radius: 8px;
    max-width: 800px;
    margin: 0 auto;
}
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 600;
}
.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    transition: border-color 0.3s;
}
.form-control:focus {
    border-color: #0056b3;
    outline: none;
}

/* Responsive */
@media (max-width: 991px) {
    .prod-layout, .single-page-layout {
        flex-direction: column;
    }
    .prod-sidebar, .sp-sidebar {
        width: 100%;
    }
    .pd-header {
        flex-direction: column;
    }
    .pd-img {
        width: 100%;
    }
    .sd-features {
        grid-template-columns: 1fr;
    }
}