/* ===================================
   微润达生物科技 - 企业官网样式表
   设计风格：简约大气 / 生物科技
   =================================== */

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

:root {
    --primary: #1a4480;
    --primary-dark: #0f2e5c;
    --primary-light: #3b6cb5;
    --primary-lighter: #93b0dd;
    --primary-bg: #eef3fb;
    --accent: #84cc16;
    --accent-dark: #65a30d;
    --navy: #0f2e2c;
    --text-main: #1a2e2c;
    --text-sub: #5a6b69;
    --text-muted: #8a9a98;
    --bg-white: #ffffff;
    --bg-light: #f8faf9;
    --bg-gray: #f1f5f4;
    --border: #e2e8e0;
    --shadow-sm: 0 1px 3px rgba(15, 46, 44, 0.08);
    --shadow-md: 0 4px 16px rgba(15, 46, 44, 0.10);
    --shadow-lg: 0 12px 40px rgba(15, 46, 44, 0.12);
    --shadow-xl: 0 24px 60px rgba(15, 46, 44, 0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1200px;
    --header-height: 72px;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    color: var(--text-main);
    background: var(--bg-white);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--navy);
}

h1 { font-size: 2.75rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    color: var(--text-sub);
    line-height: 1.8;
}

/* ===== Layout Utilities ===== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}

.section-sm {
    padding: 64px 0;
}

.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-accent { color: var(--accent-dark); }

/* ===== Section Header ===== */
.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 60px;
}

.section-header .eyebrow {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--primary);
    background: var(--primary-bg);
    padding: 6px 18px;
    border-radius: 100px;
    margin-bottom: 20px;
}

.section-header h2 {
    margin-bottom: 18px;
}

.section-header p {
    font-size: 1.05rem;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 100px;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(13, 148, 136, 0.3);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(13, 148, 136, 0.4);
}

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

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

.btn-white {
    background: #fff;
    color: var(--primary-dark);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.btn-lg {
    padding: 16px 40px;
    font-size: 1rem;
}

/* ===== Header / Navigation ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: all var(--transition);
}

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

.nav {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--navy);
}

.nav-brand .logo-mark {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    object-fit: contain;
    background: #fff;
    padding: 2px;
    flex-shrink: 0;
    display: block;
}

.nav-brand .logo-mark.logo-mark-text {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    font-size: 1.1rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-brand .brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.nav-brand .brand-text .brand-name {
    font-size: 1.1rem;
    color: var(--navy);
}

.nav-brand .brand-text .brand-sub {
    font-size: 0.65rem;
    color: var(--text-muted);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-menu a {
    padding: 8px 18px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-main);
    border-radius: 100px;
    transition: all var(--transition);
    position: relative;
}

.nav-menu a:hover {
    color: var(--primary);
    background: var(--primary-bg);
}

.nav-menu a.active {
    color: var(--primary);
    background: var(--primary-bg);
    font-weight: 600;
}

.nav-cta {
    margin-left: 12px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--navy);
    border-radius: 2px;
    transition: all var(--transition);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    background: linear-gradient(160deg, #f0fdfa 0%, #ffffff 50%, #f8faf9 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(94, 234, 212, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -300px;
    left: -200px;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(132, 204, 22, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    width: 100%;
}

.hero-text .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    background: rgba(13, 148, 136, 0.08);
    padding: 8px 20px;
    border-radius: 100px;
    margin-bottom: 28px;
}

.hero-text .hero-badge .dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-text h1 {
    font-size: 3.25rem;
    line-height: 1.2;
    margin-bottom: 24px;
    color: var(--navy);
}

.hero-text h1 .highlight {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text .hero-desc {
    font-size: 1.1rem;
    margin-bottom: 36px;
    max-width: 520px;
}

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

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-visual .visual-card {
    width: 100%;
    max-width: 480px;
    aspect-ratio: 1;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.hero-visual .visual-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hero-visual .visual-card .molecule {
    position: relative;
    z-index: 2;
    width: 60%;
    height: 60%;
}

.hero-visual .visual-card .hero-video {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

@media (prefers-reduced-motion: reduce) {
    .hero-visual .visual-card .hero-video {
        display: none;
    }
}

.hero-stats {
    display: flex;
    gap: 48px;
    margin-top: 48px;
    padding-top: 36px;
    border-top: 1px solid var(--border);
}

.hero-stats .stat-item .stat-num {
    font-size: 2rem;
    font-weight: 800;
    color: var(--navy);
    line-height: 1;
}

.hero-stats .stat-item .stat-num .unit {
    font-size: 1rem;
    color: var(--primary);
}

.hero-stats .stat-item .stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 6px;
}

/* ===== Feature Cards ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 28px;
}

.feature-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-slow);
}

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

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

.feature-card .icon-box {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    background: var(--primary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: all var(--transition);
}

.feature-card:hover .icon-box {
    background: var(--primary);
}

.feature-card .icon-box svg {
    width: 32px;
    height: 32px;
    color: var(--primary);
    transition: color var(--transition);
}

.feature-card:hover .icon-box svg {
    color: #fff;
}

.feature-card h3 {
    margin-bottom: 12px;
    font-size: 1.25rem;
}

.feature-card p {
    font-size: 0.95rem;
}

/* ===== About Preview / Split Sections ===== */
.split-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.split-section.reverse .split-text {
    order: 2;
}

.split-text .eyebrow {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 16px;
}

.split-text h2 {
    margin-bottom: 20px;
}

.split-text p {
    margin-bottom: 16px;
}

.split-text .feature-list {
    margin: 28px 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.split-text .feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.95rem;
    color: var(--text-main);
}

.split-text .feature-list li .check {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--primary-bg);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
}

.split-text .feature-list li .check svg {
    width: 14px;
    height: 14px;
}

.split-visual {
    position: relative;
}

.split-visual .visual-block {
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-bg), #fff);
    border: 1px solid var(--border);
    padding: 48px;
    min-height: 380px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Photo variant for visual-block */
.split-visual .visual-block.visual-photo {
    padding: 0;
    background: none;
    box-shadow: 0 24px 60px rgba(15, 46, 92, 0.16);
}

.split-visual .visual-block.visual-photo img {
    display: block;
    width: 100%;
    height: 100%;
    min-height: 380px;
    object-fit: cover;
}

/* ===== Stats Band ===== */
.stats-band {
    background: linear-gradient(135deg, var(--navy) 0%, #13443f 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.stats-band::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60' viewBox='0 0 60 60'%3E%3Cg fill='none' stroke='%23ffffff' stroke-opacity='0.03'%3E%3Cpath d='M0 30h60M30 0v60'/%3E%3C/g%3E%3C/svg%3E");
}

.stats-band .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    position: relative;
    z-index: 2;
}

.stats-band .stat-item {
    text-align: center;
}

.stats-band .stat-item .stat-num {
    font-size: 3rem;
    font-weight: 800;
    color: #fff;
    line-height: 1;
}

.stats-band .stat-item .stat-num .unit {
    font-size: 1.25rem;
    color: var(--primary-lighter);
}

.stats-band .stat-item .stat-label {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 10px;
}

/* ===== Timeline ===== */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    width: 50%;
    padding: 0 40px 48px 0;
}

.timeline-item:nth-child(even) {
    left: 50%;
    padding: 0 0 48px 40px;
}

.timeline-item .timeline-dot {
    position: absolute;
    right: -7px;
    top: 4px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--primary);
    border: 3px solid var(--bg-white);
    box-shadow: 0 0 0 2px var(--primary);
    z-index: 2;
}

.timeline-item:nth-child(even) .timeline-dot {
    left: -7px;
    right: auto;
}

.timeline-item .timeline-content {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px 28px;
    transition: all var(--transition);
}

.timeline-item .timeline-content:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.timeline-item .timeline-year {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 8px;
}

.timeline-item .timeline-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 8px;
}

.timeline-item .timeline-desc {
    font-size: 0.9rem;
}

/* ===== Product Cards ===== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
}

.product-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-slow);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.product-card .product-visual {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.product-card .product-visual .product-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-slow);
}

.product-card .product-visual .product-icon svg {
    width: 40px;
    height: 40px;
}

.product-card:hover .product-visual .product-icon {
    transform: scale(1.1);
}

.product-card .product-body {
    padding: 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-card .product-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-bg);
    padding: 4px 12px;
    border-radius: 100px;
    margin-bottom: 12px;
    align-self: flex-start;
}

.product-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.product-card .product-desc {
    font-size: 0.9rem;
    margin-bottom: 20px;
    flex: 1;
}

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

.product-card .product-features .pf-tag {
    font-size: 0.75rem;
    color: var(--text-sub);
    background: var(--bg-gray);
    padding: 4px 10px;
    border-radius: 6px;
}

.product-card .product-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary);
    transition: gap var(--transition);
}

.product-card .product-link:hover {
    gap: 12px;
}

/* ===== CTA Section ===== */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-section::after {
    content: '';
    position: absolute;
    bottom: -150px;
    left: -100px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-section .container {
    position: relative;
    z-index: 2;
}

.cta-section h2 {
    color: #fff;
    margin-bottom: 16px;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.1rem;
    margin-bottom: 36px;
}

.cta-section .btn-white {
    margin: 0 8px;
}

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

.contact-info-card {
    background: linear-gradient(135deg, var(--navy) 0%, #13443f 100%);
    border-radius: var(--radius-lg);
    padding: 48px;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.contact-info-card::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(94, 234, 212, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.contact-info-card h3 {
    color: #fff;
    margin-bottom: 8px;
}

.contact-info-card .sub {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    margin-bottom: 36px;
}

.contact-info-list {
    position: relative;
    z-index: 2;
}

.contact-info-list li {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 28px;
}

.contact-info-list li .ci-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-info-list li .ci-icon svg {
    width: 20px;
    height: 20px;
    color: var(--primary-lighter);
}

.contact-info-list li .ci-text .ci-label {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 4px;
}

.contact-info-list li .ci-text .ci-value {
    font-size: 0.95rem;
    color: #fff;
    line-height: 1.5;
}

.contact-form {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 48px;
}

.contact-form h3 {
    margin-bottom: 8px;
}

.contact-form .form-sub {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 32px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

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

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: inherit;
    color: var(--text-main);
    background: var(--bg-light);
    transition: all var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
}

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

.form-note {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 12px;
}

/* ===== Map Section ===== */
.map-section {
    background: var(--bg-light);
}

.map-box {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-white);
    position: relative;
}

.map-placeholder {
    text-align: center;
    color: var(--text-muted);
}

.map-placeholder svg {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    color: var(--primary-light);
}

/* ===== Sales Page ===== */
.sales-channels {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
}

.channel-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px 32px;
    text-align: center;
    transition: all var(--transition-slow);
}

.channel-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.channel-card .ch-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--primary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    transition: all var(--transition);
}

.channel-card:hover .ch-icon {
    background: var(--primary);
}

.channel-card .ch-icon svg {
    width: 32px;
    height: 32px;
    color: var(--primary);
    transition: color var(--transition);
}

.channel-card:hover .ch-icon svg {
    color: #fff;
}

.channel-card h3 {
    margin-bottom: 10px;
}

.channel-card .ch-desc {
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.channel-card .ch-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary);
    transition: gap var(--transition);
}

.channel-card .ch-link:hover {
    gap: 12px;
}

/* ===== Sales Process ===== */
.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 12.5%;
    right: 12.5%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-lighter), var(--primary), var(--primary-lighter));
    z-index: 0;
}

.process-step {
    text-align: center;
    position: relative;
    z-index: 1;
}

.process-step .step-num {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--bg-white);
    border: 2px solid var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary);
    transition: all var(--transition);
    position: relative;
}

.process-step:hover .step-num {
    background: var(--primary);
    color: #fff;
    transform: scale(1.08);
}

.process-step .step-icon {
    width: 36px;
    height: 36px;
    color: var(--primary);
    margin: 0 auto 12px;
    display: none;
}

.process-step h4 {
    margin-bottom: 8px;
}

.process-step p {
    font-size: 0.85rem;
    padding: 0 12px;
}

/* ===== Partner Section ===== */
.partner-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.partner-item {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 28px 24px;
    text-align: center;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 120px;
}

.partner-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
    transform: translateY(-4px);
}

.partner-item .partner-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 4px;
}

.partner-item .partner-type {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ===== Dealer Portal ===== */
.dealer-portal {
    background: linear-gradient(135deg, var(--navy) 0%, #13443f 100%);
    border-radius: var(--radius-xl);
    padding: 64px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.dealer-portal::before {
    content: '';
    position: absolute;
    top: -150px;
    right: -150px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(94, 234, 212, 0.12) 0%, transparent 70%);
    border-radius: 50%;
}

.dealer-portal .dealer-text {
    position: relative;
    z-index: 2;
}

.dealer-portal .dealer-text h2 {
    color: #fff;
    margin-bottom: 16px;
}

.dealer-portal .dealer-text p {
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 28px;
}

.dealer-portal .dealer-features {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 32px;
}

.dealer-portal .dealer-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.95rem;
}

.dealer-portal .dealer-features li svg {
    width: 20px;
    height: 20px;
    color: var(--primary-lighter);
    flex-shrink: 0;
}

.dealer-portal .dealer-form {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 40px;
    position: relative;
    z-index: 2;
    backdrop-filter: blur(10px);
}

.dealer-portal .dealer-form h3 {
    color: #fff;
    margin-bottom: 24px;
}

.dealer-portal .dealer-form .form-group label {
    color: rgba(255, 255, 255, 0.8);
}

.dealer-portal .dealer-form .form-group input,
.dealer-portal .dealer-form .form-group select {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
    color: #fff;
}

.dealer-portal .dealer-form .form-group input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.dealer-portal .dealer-form .form-group input:focus,
.dealer-portal .dealer-form .form-group select:focus {
    border-color: var(--primary-lighter);
    background: rgba(255, 255, 255, 0.12);
    box-shadow: 0 0 0 3px rgba(94, 234, 212, 0.15);
}

.dealer-portal .dealer-form select option {
    background: var(--navy);
    color: #fff;
}

/* ===== Values Cards ===== */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.value-card {
    text-align: center;
    padding: 40px 28px;
    border-radius: var(--radius-lg);
    background: var(--bg-light);
    border: 1px solid var(--border);
    transition: all var(--transition);
}

.value-card:hover {
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.value-card .vc-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: var(--primary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.value-card .vc-icon svg {
    width: 28px;
    height: 28px;
    color: var(--primary);
}

.value-card h4 {
    margin-bottom: 10px;
}

.value-card p {
    font-size: 0.9rem;
}

/* ===== Team Grid ===== */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 28px;
}

.team-card {
    text-align: center;
    transition: all var(--transition);
}

.team-card .team-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #fff;
    overflow: hidden;
}

.team-card .team-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.team-card h4 {
    margin-bottom: 4px;
}

.team-card .team-role {
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 12px;
}

.team-card .team-bio {
    font-size: 0.85rem;
}

/* ===== Tech / R&D Section ===== */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.tech-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    display: flex;
    gap: 20px;
    transition: all var(--transition);
}

.tech-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.tech-card .tc-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    background: var(--primary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.tech-card .tc-icon svg {
    width: 26px;
    height: 26px;
    color: var(--primary);
}

.tech-card .tc-body h4 {
    margin-bottom: 8px;
}

.tech-card .tc-body p {
    font-size: 0.9rem;
}

/* ===== Certifications ===== */
.cert-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
}

.cert-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: 100px;
    transition: all var(--transition);
}

.cert-badge:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
    transform: translateY(-2px);
}

.cert-badge svg {
    width: 20px;
    height: 20px;
    color: var(--primary);
}

.cert-badge span {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-main);
}

/* ===== Page Hero (Sub Pages) ===== */
.page-hero {
    padding: calc(var(--header-height) + 80px) 0 80px;
    background: linear-gradient(160deg, var(--primary-bg) 0%, #fff 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(94, 234, 212, 0.12) 0%, transparent 70%);
    border-radius: 50%;
}

.page-hero .container {
    position: relative;
    z-index: 2;
}

.page-hero .breadcrumb {
    display: flex;
    justify-content: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.page-hero .breadcrumb a:hover {
    color: var(--primary);
}

.page-hero h1 {
    margin-bottom: 16px;
    font-size: 2.75rem;
}

.page-hero .page-desc {
    font-size: 1.1rem;
    max-width: 640px;
    margin: 0 auto;
}

/* ===== Footer ===== */
.site-footer {
    background: var(--navy);
    color: rgba(255, 255, 255, 0.7);
    padding: 72px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .nav-brand {
    margin-bottom: 20px;
}

.footer-brand .nav-brand .logo-mark {
    width: 52px;
    height: 52px;
}

.footer-brand .nav-brand .brand-name {
    color: #fff;
}

.footer-brand .nav-brand .brand-sub {
    color: rgba(255, 255, 255, 0.5);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    margin-bottom: 24px;
    max-width: 320px;
}

.footer-brand .social-links {
    display: flex;
    gap: 12px;
}

.footer-brand .social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.footer-brand .social-links a:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.footer-brand .social-links a svg {
    width: 18px;
    height: 18px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-brand .social-links a:hover svg {
    color: #fff;
}

.footer-col h4 {
    color: #fff;
    font-size: 1rem;
    margin-bottom: 20px;
}

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

.footer-col ul li a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition);
}

.footer-col ul li a:hover {
    color: var(--primary-lighter);
}

.footer-bottom {
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
}

.footer-bottom .footer-links {
    display: flex;
    gap: 24px;
}

.footer-bottom .footer-links a:hover {
    color: var(--primary-lighter);
}

/* ===== Animations ===== */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in {
    opacity: 0;
    transition: opacity 0.7s ease;
}

.fade-in.visible {
    opacity: 1;
}

/* ===== Responsive ===== */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

    .hero-visual {
        order: -1;
    }

    .hero-visual .visual-card {
        max-width: 320px;
    }

    .split-section {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .split-section.reverse .split-text {
        order: 0;
    }

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

    .dealer-portal {
        grid-template-columns: 1fr;
        padding: 40px 32px;
    }

    .stats-band .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-steps::before {
        display: none;
    }

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

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        flex-direction: column;
        background: #fff;
        padding: 20px;
        gap: 4px;
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-md);
        transform: translateY(-200%);
        transition: transform var(--transition);
        align-items: stretch;
    }

    .nav-menu.active {
        transform: translateY(0);
    }

    .nav-menu a {
        padding: 12px 16px;
        border-radius: var(--radius-sm);
    }

    .nav-cta {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }

    .section {
        padding: 64px 0;
    }

    .hero {
        min-height: auto;
        padding-top: calc(var(--header-height) + 40px);
        padding-bottom: 60px;
    }

    .hero-text h1 {
        font-size: 2.2rem;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: 24px;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item,
    .timeline-item:nth-child(even) {
        width: 100%;
        left: 0;
        padding-left: 50px;
        padding-right: 0;
    }

    .timeline-item .timeline-dot,
    .timeline-item:nth-child(even) .timeline-dot {
        left: 13px;
        right: auto;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .contact-info-card,
    .contact-form,
    .dealer-portal .dealer-form {
        padding: 32px 24px;
    }

    .stats-band .stats-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .process-steps {
        grid-template-columns: 1fr;
    }
}

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

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .container {
        padding: 0 16px;
    }
}


/* ============================================================
   Product Detail Cards (sub-products on line detail pages)
   ============================================================ */
.product-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 32px;
}
.product-detail {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-slow);
    display: flex;
    flex-direction: column;
}
.product-detail:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.product-detail .pd-visual {
    height: 180px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.product-detail .pd-visual::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at top right, rgba(255,255,255,0.35), transparent 60%);
    pointer-events: none;
}
.product-detail .pd-visual svg {
    width: 110px;
    height: 140px;
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 12px 24px rgba(15,46,92,0.25));
}
.product-detail .pd-body {
    padding: 28px 28px 32px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.product-detail .pd-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: var(--primary);
    background: var(--primary-bg);
    padding: 5px 12px;
    border-radius: 100px;
    align-self: flex-start;
    margin-bottom: 14px;
}
.product-detail .pd-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin: 0 0 6px;
    line-height: 1.35;
}
.product-detail .pd-sub {
    font-size: 0.85rem;
    color: var(--text-sub);
    margin: 0 0 16px;
}
.product-detail .pd-section {
    margin-bottom: 14px;
}
.product-detail .pd-section-title {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 6px;
    letter-spacing: 0.4px;
}
.product-detail .pd-section-body {
    font-size: 0.88rem;
    color: var(--text-body);
    line-height: 1.65;
    margin: 0;
}
.product-detail .pd-ingredients {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.product-detail .pd-ingredients span {
    font-size: 0.74rem;
    color: var(--text-body);
    background: var(--bg-gray);
    border: 1px solid var(--border);
    padding: 4px 10px;
    border-radius: 6px;
}
.product-detail .pd-features {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 4px;
}
.product-detail .pd-features span {
    font-size: 0.74rem;
    color: var(--primary-dark);
    background: var(--primary-bg);
    padding: 4px 10px;
    border-radius: 6px;
    font-weight: 600;
}
.product-detail .pd-specs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px 16px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px dashed var(--border);
    font-size: 0.82rem;
}
.product-detail .pd-specs div {
    color: var(--text-sub);
}
.product-detail .pd-specs div strong {
    display: block;
    color: var(--primary-dark);
    font-size: 0.78rem;
    font-weight: 600;
    margin-bottom: 2px;
}
.product-detail .pd-cta {
    margin-top: 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--primary);
    border: 1px solid var(--primary);
    padding: 10px 18px;
    border-radius: 100px;
    text-decoration: none;
    transition: all var(--transition);
}
.product-detail .pd-cta:hover {
    background: var(--primary);
    color: #fff;
    gap: 12px;
}
@media (max-width: 768px) {
    .product-detail-grid { grid-template-columns: 1fr; }
}

/* Line overview banner on detail pages */
.line-overview {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    padding: 28px 32px;
    margin-bottom: 36px;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 24px;
    align-items: center;
}
.line-overview .lo-text h2 {
    font-size: 1.15rem;
    color: var(--primary-dark);
    margin-bottom: 10px;
}
.line-overview .lo-text p {
    font-size: 0.92rem;
    color: var(--text-body);
    line-height: 1.7;
    margin: 0;
}
.line-overview .lo-meta {
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--text-sub);
}
.line-overview .lo-meta div {
    display: flex;
    justify-content: space-between;
    border-bottom: 1px dashed var(--border);
    padding-bottom: 8px;
}
.line-overview .lo-meta div strong {
    color: var(--primary-dark);
    font-weight: 600;
}
@media (max-width: 768px) {
    .line-overview { grid-template-columns: 1fr; padding: 24px; }
}