/* ===== Reset & Base ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary: #0f172a;
    --accent: #06b6d4;
    --text: #1e293b;
    --text-light: #64748b;
    --bg: #ffffff;
    --bg-alt: #f8fafc;
    --bg-dark: #0f172a;
    --radius: 12px;
    --shadow: 0 4px 24px rgba(0,0,0,0.08);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.12);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== Navigation ===== */
/* ===== Navbar - Crystal Glass ===== */
.navbar {
    position: fixed;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    width: 1280px;
    max-width: calc(100% - 32px);
    height: 54px;
    border-radius: 27px;
    z-index: 999;
    display: flex;
    align-items: center;
    padding: 0 28px;
    border: 1px solid rgba(255,255,255,0.25);
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
}

.navbar.scrolled {
    background: rgba(255,255,255,0.15);
    border-color: rgba(255,255,255,0.2);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo img { height: 28px; width: auto; display: block; }

/* Nav items - always dark text on frosted glass */
.nav-menu {
    display: flex;
    list-style: none;
    gap: 28px;
    align-items: center;
    height: 100%;
}

.nav-menu > li > a {
    text-decoration: none;
    font-weight: 500;
    font-size: 13px;
    color: #333333;
    transition: color 0.2s ease;
    height: 100%;
    display: flex;
    align-items: center;
    letter-spacing: 0.3px;
}

.nav-menu > li > a:hover {
    color: #005BAC;
}

.nav-menu a::after { display: none; }

/* Phone with ring animation */
.nav-phone {
    display: inline-flex !important;
    align-items: center;
    gap: 8px;
    font-weight: 600 !important;
    font-size: 15px !important;
    color: #333333 !important;
    letter-spacing: 0.5px !important;
    white-space: nowrap !important;
    padding: 0 12px !important;
}

.nav-phone::before {
    content: '📞';
    font-size: 14px;
    display: inline-block;
    animation: phoneRing 2s ease-in-out infinite;
    transform-origin: center;
}

.nav-phone:hover {
    color: #005BAC !important;
}

@keyframes phoneRing {
    0%, 100% { transform: rotate(0deg); }
    10% { transform: rotate(20deg); }
    20% { transform: rotate(-15deg); }
    30% { transform: rotate(15deg); }
    40% { transform: rotate(-10deg); }
    50% { transform: rotate(0deg); }
}

/* Contact button - always blue */
.nav-cta {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    height: 28px !important;
    padding: 0 16px !important;
    border-radius: 14px !important;
    font-weight: 600 !important;
    font-size: 13px !important;
    border: none !important;
    background: #005BAC !important;
    color: #ffffff !important;
    letter-spacing: 0.3px !important;
    transition: background 0.2s ease;
}

.nav-cta:hover {
    background: #004a8f !important;
}

.nav-toggle { display: none; font-size: 1.2rem; cursor: pointer; color: #333333; }

/* ===== Nav Dropdown ===== */
.nav-has-dropdown {
    position: relative;
}

.nav-arrow {
    font-size: 9px;
    margin-left: 4px;
    transition: transform 0.2s ease;
    display: inline-block;
}

.nav-has-dropdown:hover .nav-arrow {
    transform: rotate(180deg);
}

/* Transparent bridge so mouse can move to dropdown */
.nav-has-dropdown::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    height: 8px;
    z-index: 1001;
}

.nav-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    background: #ffffff;
    border: 1px solid rgba(0,0,0,0.08);
    border-radius: 10px;
    padding: 8px 0;
    box-shadow: 0 20px 50px rgba(0,0,0,0.12);
    min-width: 500px;
    z-index: 9999;
    overflow: hidden;
}

/* Show on hover */
.nav-has-dropdown:hover .nav-dropdown {
    display: flex;
}

.dropdown-col {
    flex: 1;
    padding: 0 6px;
    border-right: 1px solid rgba(0,0,0,0.07);
}

.dropdown-col:last-child {
    border-right: none;
}

.dropdown-brand {
    font-size: 11px;
    font-weight: 700;
    color: #005BAC;
    letter-spacing: 0.3px;
    padding: 0 10px 2px;
    margin-bottom: 1px;
}

.dropdown-item {
    display: block;
    text-decoration: none;
    padding: 1px 10px;
    border-radius: 4px;
    transition: background 0.12s ease;
}

.dropdown-item:hover {
    background: #f0f5ff;
    text-decoration: none;
}

.dropdown-item-name {
    display: inline;
    font-size: 13px;
    font-weight: 600;
    color: #1a1a1a;
    line-height: 1.5;
}

.dropdown-item-desc {
    display: inline;
    font-size: 11px;
    color: #999;
    font-weight: 400;
    margin-left: 4px;
    line-height: 1.5;
}

.dropdown-item:hover .dropdown-item-name {
    color: #005BAC;
}

/* Mobile nav adjustment */
@media (max-width: 768px) {
    .nav-has-dropdown { position: static; }
    .nav-has-dropdown::after { display: none; }
    .nav-dropdown {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        display: none;
        min-width: auto;
        box-shadow: none;
        border: none;
        background: transparent;
        padding: 8px 0;
        transition: none;
    }
    .nav-menu.active .nav-dropdown,
    .nav-menu.active .nav-dropdown:hover {
        display: flex;
        flex-direction: column;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }
    .dropdown-col {
        border-right: none;
        padding: 0 8px;
    }
    .dropdown-brand { font-size: 12px; margin-top: 12px; }
    .dropdown-brand:first-child { margin-top: 0; }
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 0;
    overflow: hidden;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(37,99,235,0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(6,182,212,0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(37,99,235,0.08) 0%, transparent 50%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
    padding: 80px 24px;
}

.hero-text p {
    font-size: 1.1rem;
    color: #94a3b8;
    max-width: 520px;
    margin-bottom: 32px;
    line-height: 1.8;
    opacity: 0;
    animation: fadeSlideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.7s forwards;
}

.btn {
    display: inline-block;
    padding: 14px 36px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.hero-buttons {
    opacity: 0;
    animation: fadeSlideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.8s forwards;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    box-shadow: 0 4px 16px rgba(37,99,235,0.4);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: left 0.6s ease;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(37,99,235,0.6);
}

.btn-outline:hover {
    transform: translateY(-3px);
}

.btn-outline {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255,255,255,0.2);
    margin-left: 16px;
}

.btn-outline:hover {
    border-color: var(--primary-light);
    background: rgba(37,99,235,0.1);
}

.btn-full { width: 100%; }

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 400px;
}

.floating-cubes { position: relative; width: 200px; height: 200px; }

.cube {
    position: absolute;
    border-radius: 12px;
    opacity: 0.6;
}

.cube-1 {
    width: 80px; height: 80px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    top: 0; left: 60px;
    animation: float1 6s ease-in-out infinite;
}

.cube-2 {
    width: 50px; height: 50px;
    background: linear-gradient(135deg, var(--accent), #0891b2);
    top: 100px; left: 0;
    animation: float2 5s ease-in-out infinite;
}

.cube-3 {
    width: 60px; height: 60px;
    background: linear-gradient(135deg, #8b5cf6, #6366f1);
    top: 90px; left: 130px;
    animation: float3 7s ease-in-out infinite;
}

@keyframes float1 {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(15deg); }
}
@keyframes float2 {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(20px) rotate(-10deg); }
}
@keyframes float3 {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(20deg); }
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator span {
    display: block;
    width: 24px; height: 40px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator span::after {
    content: '';
    position: absolute;
    top: 8px; left: 50%;
    transform: translateX(-50%);
    width: 4px; height: 8px;
    background: rgba(255,255,255,0.5);
    border-radius: 2px;
    animation: scrollDown 2s infinite;
}

@keyframes scrollDown {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
}

/* ===== Section Shared ===== */
.section {
    padding: 100px 0;
}

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

.section-header h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 16px;
}

.divider {
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 2px;
    margin: 0 auto 16px;
}

.section-header p {
    color: var(--text-light);
    font-size: 1.05rem;
}

/* ===== About Section ===== */
.about { background: var(--bg); }

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

.about-card {
    background: var(--bg);
    border: 1px solid #e2e8f0;
    border-radius: var(--radius);
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
}

.about-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.about-icon { font-size: 2.5rem; margin-bottom: 16px; }

.about-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: var(--secondary);
}

.about-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ===== Services Section ===== */
.services { background: var(--bg-alt); }

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--bg);
    border-radius: var(--radius);
    padding: 36px 28px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 4px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

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

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    font-size: 2.8rem;
    margin-bottom: 16px;
    display: block;
}

.service-card h3 {
    font-size: 1.15rem;
    color: var(--secondary);
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* ===== Products Section ===== */
.products { background: var(--bg-dark); color: #fff; }

.products .section-header h2 { color: #fff; }
.products .section-header p { color: #94a3b8; }

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.product-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius);
    padding: 36px 28px;
    transition: var(--transition);
    position: relative;
}

.product-card:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(37,99,235,0.4);
    transform: translateY(-4px);
}

.product-img-wrap {
    width: 100%;
    height: 120px;
    border-radius: 8px;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: 2px;
    position: relative;
    overflow: hidden;
}

/* Subtle pattern overlay */
.product-img-wrap::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(255,255,255,0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255,255,255,0.05) 0%, transparent 40%),
        linear-gradient(45deg, transparent 65%, rgba(0,0,0,0.1) 100%);
    pointer-events: none;
}

.product-card.featured {
    border-color: rgba(37,99,235,0.3);
    background: rgba(37,99,235,0.08);
}

.product-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
    letter-spacing: 1px;
}

.product-card h3 {
    font-size: 1.2rem;
    margin-bottom: 6px;
    color: #fff;
}

.product-card > p {
    font-size: 0.85rem;
    color: #94a3b8;
    margin-bottom: 20px;
}

.product-card ul {
    list-style: none;
    padding: 0;
}

.product-card ul li {
    font-size: 0.9rem;
    color: #cbd5e1;
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
}

.product-card ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-light);
    font-weight: 700;
}

/* ===== Why Us Section ===== */
.why-us { background: var(--bg-alt); }

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

.why-item {
    background: var(--bg);
    border-radius: var(--radius);
    padding: 36px 32px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.why-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.why-num {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-bottom: 8px;
    line-height: 1;
}

.why-item h3 {
    font-size: 1.2rem;
    color: var(--secondary);
    margin-bottom: 10px;
}

.why-item p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ===== Contact Section ===== */
.contact { background: var(--bg); }

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
    align-items: start;
}

.contact-info { display: flex; flex-direction: column; gap: 30px; }

.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-icon { font-size: 1.5rem; line-height: 1; }

.contact-item h4 {
    font-size: 1rem;
    color: var(--secondary);
    margin-bottom: 4px;
}

.contact-item p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.contact-cta {
    background: linear-gradient(135deg, rgba(37,99,235,0.05), rgba(6,182,212,0.05));
    border: 1px solid rgba(37,99,235,0.15);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
}

.contact-cta p {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.95rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
    background: var(--bg-alt);
    border-radius: var(--radius);
    padding: 36px;
    box-shadow: var(--shadow);
}

.contact-form h3 {
    font-size: 1.2rem;
    color: var(--secondary);
    margin-bottom: 4px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    padding: 14px 18px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--transition);
    background: var(--bg);
    color: var(--text);
}

.contact-form select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

/* ===== Solutions Section (新增) ===== */
.solutions { background: var(--bg); }

.solution-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.solution-tab {
    padding: 12px 24px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    background: var(--bg);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.solution-tab:hover {
    border-color: var(--primary-light);
    color: var(--primary);
}

.solution-tab.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    box-shadow: 0 4px 12px rgba(37,99,235,0.3);
}

.solution-panel {
    display: none;
}

.solution-panel.active {
    display: block;
}

.solution-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 40px;
    align-items: start;
}

.solution-text h3 {
    font-size: 1.5rem;
    color: var(--secondary);
    margin-bottom: 12px;
}

.solution-desc {
    color: var(--text-light);
    font-size: 1rem;
    margin-bottom: 24px;
    line-height: 1.8;
}

.solution-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.sf {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    padding: 14px 18px;
    background: var(--bg-alt);
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    transition: var(--transition);
}

.sf:hover {
    border-color: var(--primary-light);
    background: rgba(37,99,235,0.03);
}

.sf-icon { font-size: 1.3rem; line-height: 1.4; }

.sf strong {
    font-size: 0.95rem;
    color: var(--secondary);
    display: block;
    margin-bottom: 2px;
}

.sf p {
    font-size: 0.85rem;
    color: var(--text-light);
    margin: 0;
}

.solution-tip {
    margin-top: 20px;
    padding: 12px 16px;
    background: rgba(37,99,235,0.06);
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--primary-dark);
    border-left: 3px solid var(--primary);
}

.solution-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    background: var(--bg-alt);
    border-radius: var(--radius);
    border: 1px solid #e2e8f0;
}

.solution-visual svg {
    width: 100%;
    max-width: 280px;
    height: auto;
}

/* ===== Products Section - Enhancements ===== */
.products-section-label {
    font-size: 1.1rem;
    font-weight: 700;
    color: #e2e8f0;
    margin-bottom: 20px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.product-img {
    display: block;
    margin-bottom: 14px;
}

.product-img svg {
    width: 100%;
    max-width: 120px;
    height: auto;
    display: block;
}

/* Clickable product image area */
a.product-img-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

a.product-img-link:hover {
    text-decoration: none;
}

a.product-img-link .product-img-wrap {
    cursor: pointer;
}

a.product-img-link:hover .product-img-wrap {
    filter: brightness(1.2);
    transform: scale(1.02);
}

.seeyon-grid {
    margin-top: 20px;
}

.products-note {
    text-align: center;
    color: #94a3b8;
    font-size: 0.85rem;
    margin-top: 30px;
    padding: 16px;
    border-top: 1px solid rgba(255,255,255,0.06);
}

/* ===== Hero SVG Illustration ===== */
.hero-screenshots {
    position: relative;
    width: 100%;
    max-width: 480px;
    height: 360px;
}

.hero-img-main {
    position: absolute;
    top: 10px;
    left: 0;
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    transition: transform 0.3s ease;
    z-index: 2;
}

.hero-img-sec {
    position: absolute;
    bottom: 0;
    right: -20px;
    width: 75%;
    border-radius: 10px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.25);
    transition: transform 0.3s ease;
    z-index: 1;
    opacity: 0.9;
}

.hero-img-main:hover { transform: translateY(-4px); }
.hero-img-sec:hover { transform: translateY(-4px); opacity: 1; }

.solution-img {
    width: 100%;
    max-width: 400px;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.solution-img:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

/* ===== Contact Section Updates ===== */
.contact-form select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

/* ===== Mobile Responsive Updates ===== */
@media (max-width: 768px) {
    .solution-content {
        grid-template-columns: 1fr;
    }
    .solution-visual { display: none; }
    .solution-tabs {
        flex-direction: column;
        align-items: stretch;
    }
    .solution-tab { text-align: center; }
}

/* ===== News Section ===== */
.news-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 10px;
}

.news-card {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius);
    padding: 28px;
    transition: all 0.3s ease;
    position: relative;
}

.news-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.06);
    border-color: rgba(0,91,172,0.15);
}

.news-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 16px;
    width: 60px;
    background: var(--bg-alt);
    border-radius: 8px;
    padding: 10px 0;
}

.news-day {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.news-month {
    font-size: 0.7rem;
    color: var(--text-light);
    margin-top: 4px;
    font-weight: 600;
}

.news-card h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 10px;
    line-height: 1.4;
}

.news-card p {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 16px;
}

.news-tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--primary);
    background: rgba(0,91,172,0.06);
    border: 1px solid rgba(0,91,172,0.12);
    padding: 4px 12px;
    border-radius: 4px;
}

@media (max-width: 768px) {
    .news-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-dark);
    color: #94a3b8;
    padding: 50px 0;
    text-align: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 12px;
    color: #fff;
    font-size: 1.1rem;
    font-weight: 600;
}

.footer-text {
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.footer-copy {
    font-size: 0.8rem;
    opacity: 0.6;
}

/* ===== Mobile Responsive ===== */
@media (max-width: 768px) {
    .navbar {
        width: calc(100% - 24px);
        height: 48px;
        padding: 0 16px;
        top: 10px;
        border-radius: 24px;
    }
    .nav-menu {
        position: fixed;
        top: 72px;
        left: 12px;
        right: 12px;
        background: rgba(255,255,255,0.9);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border: 1px solid rgba(0,0,0,0.06);
        border-radius: 16px;
        box-shadow: 0px 8px 24px rgba(0,0,0,0.1);
        flex-direction: column;
        padding: 12px 16px;
        gap: 2px;
        transform: translateY(-10px);
        opacity: 0;
        pointer-events: none;
        transition: all 0.25s ease;
        height: auto;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .nav-menu a {
        padding: 10px 12px;
        border-radius: 8px;
        height: auto;
        font-size: 15px;
        color: rgba(0,0,0,0.65) !important;
    }
    .nav-menu a:hover {
        color: #005BAC !important;
        background: #f5f5f7;
    }

    .nav-toggle { display: block; color: rgba(0,0,0,0.65); }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 40px 24px;
    }

    .hero-text p { margin: 0 auto 36px; }

    .hero-screenshots {
        height: 240px;
        margin: 0 auto;
        max-width: 360px;
    }
    .hero-img-sec { display: none; }
    .hero-img-main { position: relative; top: 0; }

    .about-grid,
    .services-grid,
    .products-grid {
        grid-template-columns: 1fr;
    }

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

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

    .section { padding: 60px 0; }

    .btn-outline { margin-left: 0; margin-top: 12px; }

    .contact-form { padding: 24px; }
}

@media (max-width: 480px) {
    .hero-text h1 { font-size: 1.8rem; }
    .section-header h2 { font-size: 1.6rem; }
}