/* ========================================
   云南焱卫消防科技有限公司 - 官网样式
   主色调：深蓝色 #0A2463
   辅助色：橙红色 #E63946
   ======================================== */

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

:root {
    --primary-color: #0A2463;
    --primary-light: #165DFF;
    --primary-dark: #05163B;
    --secondary-color: #E63946;
    --secondary-light: #FF6B6B;
    --text-dark: #1A1A2E;
    --text-gray: #6B7280;
    --text-light: #9CA3AF;
    --bg-light: #F8FAFC;
    --bg-gray: #F1F5F9;
    --border-color: #E2E8F0;
    --white: #FFFFFF;
    --success: #10B981;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
}

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

ul, ol {
    list-style: none;
}

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

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-dark);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 2.25rem;
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--secondary-color);
    border-radius: 2px;
}

.section-title p {
    color: var(--text-gray);
    font-size: 1.125rem;
    margin-top: 20px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: inherit;
}

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

.btn-primary:hover {
    background: #d62839;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-outline:hover {
    background: var(--white);
    color: var(--primary-color);
}

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

.btn-secondary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Top Bar */
.top-bar {
    background: var(--primary-dark);
    color: var(--white);
    padding: 10px 0;
    font-size: 0.875rem;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-left {
    display: flex;
    align-items: center;
    gap: 24px;
}

.top-bar-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.top-bar-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 1rem;
    color: var(--secondary-light);
}

.top-bar-phone strong {
    font-size: 1.125rem;
    letter-spacing: 0.5px;
}

/* Header / Navigation */
.header {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 800;
    font-size: 1.25rem;
}

.logo-text h1, .logo-name {
    font-size: 1.25rem;
    color: var(--primary-color);
    line-height: 1.2;
}

.logo-text p {
    font-size: 0.75rem;
    color: var(--text-gray);
    letter-spacing: 2px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-menu a {
    color: var(--text-dark);
    font-weight: 500;
    position: relative;
    padding: 8px 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: var(--transition);
}

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

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
}

.nav-cta {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-phone {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: var(--bg-light);
    border-radius: 30px;
}

.nav-phone-icon {
    width: 36px;
    height: 36px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 0.875rem;
}

.nav-phone-text {
    display: flex;
    flex-direction: column;
}

.nav-phone-text span {
    font-size: 0.75rem;
    color: var(--text-gray);
}

.nav-phone-text strong {
    font-size: 1rem;
    color: var(--primary-color);
    font-weight: 700;
}

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

/* Hero Banner */
.hero {
    position: relative;
    height: 600px;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 50%, var(--primary-light) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(230, 57, 70, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(22, 93, 255, 0.3) 0%, transparent 50%);
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero .container {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
    z-index: 1;
}

.hero-content {
    max-width: 650px;
    color: var(--white);
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(230, 57, 70, 0.2);
    border: 1px solid rgba(230, 57, 70, 0.4);
    border-radius: 30px;
    color: var(--secondary-light);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-content h1 {
    font-size: 3rem;
    color: var(--white);
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content h1 span {
    color: var(--secondary-light);
}

.hero-content p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 32px;
    line-height: 1.8;
}

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

.hero-stats {
    display: flex;
    gap: 48px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.hero-stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--secondary-light);
    line-height: 1;
}

.hero-stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 8px;
}

/* Features Section */
.features {
    background: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--white);
    padding: 32px 24px;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.feature-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.75rem;
    color: var(--white);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--primary-color);
}

.feature-card p {
    color: var(--text-gray);
    font-size: 0.9375rem;
    line-height: 1.7;
}

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

.product-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.product-image {
    height: 200px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    color: var(--white);
    font-size: 3rem;
}

.product-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 6px 12px;
    background: var(--secondary-color);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 4px;
}

.product-content {
    padding: 24px;
}

.product-content h3 {
    font-size: 1.25rem;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.product-model {
    font-size: 0.875rem;
    color: var(--text-gray);
    margin-bottom: 16px;
    font-family: 'Courier New', monospace;
}

.product-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.product-spec {
    padding: 4px 10px;
    background: var(--bg-gray);
    color: var(--text-dark);
    font-size: 0.75rem;
    border-radius: 4px;
}

.product-spec.certified {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.product-price {
    font-size: 0.875rem;
    color: var(--text-gray);
}

.product-link {
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Cases Section */
.cases {
    background: var(--bg-light);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.case-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.case-image {
    height: 160px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 2.5rem;
}

.case-type {
    position: absolute;
    bottom: 12px;
    left: 12px;
    padding: 4px 10px;
    background: rgba(0, 0, 0, 0.5);
    color: var(--white);
    font-size: 0.75rem;
    border-radius: 4px;
}

.case-content {
    padding: 20px;
}

.case-content h3 {
    font-size: 1rem;
    color: var(--primary-color);
    margin-bottom: 8px;
    line-height: 1.4;
}

.case-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.8125rem;
    color: var(--text-gray);
    margin-bottom: 12px;
}

.case-desc {
    font-size: 0.875rem;
    color: var(--text-gray);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* About Section */
.about-section {
    background: var(--white);
}

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

.about-image {
    height: 450px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 5rem;
    position: relative;
    overflow: hidden;
}

.about-image::after {
    content: '';
    position: absolute;
    bottom: -30px;
    right: -30px;
    width: 150px;
    height: 150px;
    background: var(--secondary-color);
    border-radius: 50%;
    opacity: 0.3;
}

.about-content h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.about-content > p {
    color: var(--text-gray);
    margin-bottom: 24px;
    line-height: 1.8;
}

.about-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 32px;
}

.about-highlight {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.about-highlight-icon {
    width: 28px;
    height: 28px;
    background: rgba(230, 57, 70, 0.1);
    color: var(--secondary-color);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.about-highlight p {
    font-size: 0.9375rem;
    color: var(--text-dark);
    font-weight: 500;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-section .container {
    position: relative;
    z-index: 1;
}

.cta-section h2 {
    color: var(--white);
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 1.125rem;
    opacity: 0.85;
    margin-bottom: 32px;
}

.cta-phone {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 36px;
    background: var(--white);
    color: var(--primary-color);
    border-radius: 50px;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 24px;
}

.cta-phone-icon {
    width: 48px;
    height: 48px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

/* Footer */
.footer {
    background: var(--primary-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    color: var(--white);
    margin-bottom: 24px;
    font-size: 1.125rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-logo .logo-icon {
    width: 44px;
    height: 44px;
}

.footer-logo-text h3 {
    color: var(--white);
    font-size: 1.125rem;
}

.footer-logo-text p {
    font-size: 0.75rem;
    opacity: 0.6;
}

.footer-about p {
    font-size: 0.9375rem;
    line-height: 1.8;
    margin-bottom: 20px;
}

.footer-contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 0.9375rem;
}

.footer-contact-list li strong {
    color: var(--white);
    font-weight: 600;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    font-size: 0.9375rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--secondary-light);
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 24px 0;
    text-align: center;
    font-size: 0.875rem;
}

.footer-bottom-line {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    margin-top: 8px;
}

/* Page Header / Breadcrumb */
.page-header {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    color: var(--white);
    padding: 60px 0;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.page-header .container {
    position: relative;
    z-index: 1;
}

.page-header h1 {
    color: var(--white);
    margin-bottom: 12px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9375rem;
    opacity: 0.85;
}

.breadcrumb a {
    color: var(--white);
    opacity: 0.8;
}

.breadcrumb a:hover {
    opacity: 1;
}

.breadcrumb-sep {
    opacity: 0.5;
}

/* Product Detail Page */
.product-detail {
    background: var(--bg-light);
}

.product-detail-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
}

.product-detail-image {
    background: var(--white);
    border-radius: 12px;
    padding: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 400px;
    font-size: 6rem;
    color: var(--primary-color);
    border: 1px solid var(--border-color);
}

.product-detail-info h1 {
    color: var(--primary-color);
    margin-bottom: 8px;
}

.product-detail-model {
    font-family: 'Courier New', monospace;
    color: var(--text-gray);
    margin-bottom: 20px;
    font-size: 1rem;
}

.product-detail-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 24px;
}

.product-tag {
    padding: 6px 14px;
    background: var(--bg-gray);
    color: var(--text-dark);
    font-size: 0.8125rem;
    border-radius: 4px;
}

.product-tag.certified {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.product-tag.hot {
    background: rgba(230, 57, 70, 0.1);
    color: var(--secondary-color);
}

.product-detail-desc {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 28px;
}

.product-specs-table {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    margin-bottom: 24px;
}

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

.product-specs-table th,
.product-specs-table td {
    padding: 14px 20px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.product-specs-table th {
    background: var(--bg-gray);
    color: var(--primary-color);
    font-weight: 600;
    width: 160px;
}

.product-specs-table tr:last-child th,
.product-specs-table tr:last-child td {
    border-bottom: none;
}

.product-detail-cta {
    display: flex;
    gap: 16px;
    align-items: center;
    padding: 24px;
    background: var(--white);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.product-detail-phone {
    display: flex;
    align-items: center;
    gap: 12px;
}

.product-detail-phone strong {
    color: var(--secondary-color);
    font-size: 1.25rem;
}

/* Product Content Section */
.product-content-section {
    padding: 60px 0;
}

.content-tabs {
    display: flex;
    gap: 8px;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 40px;
}

.content-tab {
    padding: 14px 28px;
    background: none;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-gray);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: var(--transition);
}

.content-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--secondary-color);
}

.content-panel h3 {
    color: var(--primary-color);
    margin-bottom: 16px;
}

.content-panel h4 {
    color: var(--text-dark);
    margin: 24px 0 12px;
}

.content-panel p {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 16px;
}

.content-panel ul {
    margin-bottom: 20px;
}

.content-panel ul li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 10px;
    color: var(--text-gray);
    line-height: 1.7;
}

.content-panel ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 700;
}

.performance-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 24px 0;
}

.performance-item {
    background: var(--bg-light);
    padding: 20px;
    border-radius: 8px;
    text-align: center;
}

.performance-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: 4px;
}

.performance-label {
    font-size: 0.875rem;
    color: var(--text-gray);
}

/* Case Detail Page */
.case-detail-wrapper {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 40px;
}

.case-detail-main {
    background: var(--white);
    border-radius: 12px;
    padding: 40px;
    border: 1px solid var(--border-color);
}

.case-detail-image {
    height: 300px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 5rem;
    margin-bottom: 30px;
}

.case-detail-main h1 {
    color: var(--primary-color);
    margin-bottom: 16px;
}

.case-detail-meta {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.case-meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-gray);
    font-size: 0.9375rem;
}

.case-meta-item strong {
    color: var(--text-dark);
}

.case-detail-content h3 {
    color: var(--primary-color);
    margin: 24px 0 12px;
}

.case-detail-content p {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 16px;
}

.case-sidebar {
    position: sticky;
    top: 100px;
}

.case-info-card {
    background: var(--white);
    border-radius: 12px;
    padding: 28px;
    border: 1px solid var(--border-color);
    margin-bottom: 24px;
}

.case-info-card h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.25rem;
}

.case-info-list li {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px dashed var(--border-color);
    font-size: 0.9375rem;
}

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

.case-info-label {
    color: var(--text-gray);
}

.case-info-value {
    color: var(--text-dark);
    font-weight: 600;
}

/* FAQ Page */
.faq-section {
    background: var(--bg-light);
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: 10px;
    margin-bottom: 16px;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.faq-question {
    padding: 24px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    background: var(--bg-light);
}

.faq-question h3 {
    font-size: 1.125rem;
    color: var(--primary-color);
    font-weight: 600;
    flex: 1;
}

.faq-toggle {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-gray);
    font-size: 1.25rem;
    flex-shrink: 0;
    margin-left: 16px;
    transition: var(--transition);
}

.faq-item.active .faq-toggle {
    background: var(--secondary-color);
    color: var(--white);
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer-inner {
    padding: 0 24px 24px;
    color: var(--text-gray);
    line-height: 1.8;
}

/* Contact Page */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
}

.contact-info-card {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    color: var(--white);
    padding: 40px;
    border-radius: 12px;
}

.contact-info-card h2 {
    color: var(--white);
    margin-bottom: 12px;
}

.contact-info-card > p {
    opacity: 0.85;
    margin-bottom: 32px;
}

.contact-info-list li {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}

.contact-info-icon {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

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

.contact-info-text p,
.contact-info-text a {
    font-size: 0.9375rem;
    opacity: 0.9;
    line-height: 1.7;
}

.contact-form-card {
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.contact-form-card h2 {
    color: var(--primary-color);
    margin-bottom: 24px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.9375rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(22, 93, 255, 0.1);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* Sitemap */
.sitemap-section {
    background: var(--bg-light);
}

.sitemap-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.sitemap-col h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.25rem;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--secondary-color);
    display: inline-block;
}

.sitemap-col ul li {
    margin-bottom: 10px;
}

.sitemap-col ul li a {
    color: var(--text-gray);
    font-size: 0.9375rem;
    transition: var(--transition);
}

.sitemap-col ul li a:hover {
    color: var(--primary-color);
    padding-left: 4px;
}

/* About Page */
.about-page-content {
    background: var(--white);
}

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

.about-hero-image {
    height: 400px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 5rem;
}

.about-hero-content h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.about-hero-content p {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin: 60px 0;
    padding: 40px;
    background: var(--bg-light);
    border-radius: 12px;
}

.about-stat {
    text-align: center;
}

.about-stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: 8px;
}

.about-stat-label {
    color: var(--text-gray);
    font-size: 0.9375rem;
}

/* Products List Page */
.products-list-section {
    background: var(--bg-light);
}

.products-filter {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 24px;
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    cursor: pointer;
    font-size: 0.9375rem;
    transition: var(--transition);
    color: var(--text-gray);
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

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

/* Cases List Page */
.cases-list-section {
    background: var(--bg-light);
}

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

.cases-list-grid .case-card {
    background: var(--white);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid,
    .products-list-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cases-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .cases-list-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .about-wrapper,
    .about-hero {
        grid-template-columns: 1fr;
    }
    
    .product-detail-wrapper,
    .case-detail-wrapper,
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .sitemap-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }
    
    .hero {
        height: auto;
        padding: 80px 0;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-stats {
        gap: 24px;
        flex-wrap: wrap;
    }
    
    .nav-menu,
    .nav-phone {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .features-grid,
    .products-grid,
    .products-list-grid,
    .cases-grid,
    .cases-list-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        padding: 24px;
    }
    
    .sitemap-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .performance-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .top-bar {
        display: none;
    }
    
    .nav {
        height: 64px;
    }
    
    .section-title h2 {
        font-size: 1.75rem;
    }
    
    .cta-section h2 {
        font-size: 1.75rem;
    }
    
    .cta-phone {
        font-size: 1.125rem;
        padding: 12px 24px;
    }
    
    .product-detail-image {
        height: 300px;
        font-size: 4rem;
    }
    
    .case-detail-main {
        padding: 24px;
    }
    
    .contact-info-card,
    .contact-form-card {
        padding: 24px;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-stat-number {
        font-size: 2rem;
    }
    
    .about-highlights {
        grid-template-columns: 1fr;
    }
    
    .sitemap-grid {
        grid-template-columns: 1fr;
    }
    
    .product-detail-tags {
        gap: 6px;
    }
    
    .product-tag {
        font-size: 0.75rem;
        padding: 4px 10px;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--secondary-color); }
.mb-20 { margin-bottom: 20px; }
.mb-30 { margin-bottom: 30px; }
.mt-20 { margin-top: 20px; }