/* ===================================
   OrientHeal Bridge - Main Stylesheet
   愈桥医疗 官方网站样式
   =================================== */

/* --- CSS Variables --- */
:root {
    --primary: #0A6EBD;
    --primary-dark: #064F8E;
    --primary-light: #2E90D6;
    --secondary: #00B2A9;
    --secondary-light: #33C4BC;
    --accent: #FF6B35;
    --teal: #00B2A9;
    --purple: #7B5EA7;
    --green: #2ECC71;
    --blue-soft: #EBF4FD;
    --bg: #F8FAFC;
    --bg-dark: #0B1A2C;
    --text: #1A2B3C;
    --text-muted: #5A7184;
    --text-light: #8A9BAC;
    --border: #E2EAF0;
    --white: #FFFFFF;
    --shadow-sm: 0 2px 8px rgba(10,110,189,0.08);
    --shadow-md: 0 8px 24px rgba(10,110,189,0.12);
    --shadow-lg: 0 16px 48px rgba(10,110,189,0.16);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-en: 'Inter', sans-serif;
    --font-cn: 'Noto Sans SC', sans-serif;
}

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

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

body {
    font-family: var(--font-cn);
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul { list-style: none; }

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

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

.section {
    padding: 96px 0;
}

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

/* --- Typography --- */
.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--blue-soft);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 50px;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.section-tag::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
}

.section-title {
    font-size: clamp(28px, 3.5vw, 44px);
    font-weight: 700;
    line-height: 1.25;
    color: var(--text);
    margin-bottom: 16px;
}

.section-desc {
    font-size: 17px;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

.section-header {
    margin-bottom: 64px;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    font-family: var(--font-cn);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    box-shadow: 0 4px 20px rgba(10,110,189,0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(10,110,189,0.4);
    color: var(--white);
}

.btn-outline {
    border-color: var(--primary);
    color: var(--primary);
    background: transparent;
}

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

.btn-white {
    background: var(--white);
    color: var(--primary);
    font-weight: 700;
}

.btn-white:hover {
    background: var(--blue-soft);
    transform: translateY(-2px);
    color: var(--primary);
}

.btn-outline-white {
    border-color: rgba(255,255,255,0.6);
    color: var(--white);
    background: rgba(255,255,255,0.1);
}

.btn-outline-white:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-2px);
    color: var(--white);
}

/* ===================================
   NAVBAR
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    transition: var(--transition);
    padding: 16px 0;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    padding: 10px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.logo-icon {
    width: 40px;
    height: 40px;
    color: var(--white);
    transition: var(--transition);
}

.navbar.scrolled .logo-icon {
    color: var(--primary);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-en {
    font-family: var(--font-en);
    font-size: 16px;
    font-weight: 700;
    color: var(--white);
    line-height: 1.2;
    transition: var(--transition);
    letter-spacing: -0.3px;
}

.logo-cn {
    font-size: 11px;
    color: rgba(255,255,255,0.75);
    letter-spacing: 1px;
    transition: var(--transition);
}

.navbar.scrolled .logo-en {
    color: var(--primary);
}

.navbar.scrolled .logo-cn {
    color: var(--text-muted);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
    justify-content: center;
}

.nav-link {
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    color: rgba(255,255,255,0.9);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
}

.navbar.scrolled .nav-link {
    color: var(--text);
}

.nav-link:hover,
.nav-link.active {
    background: rgba(255,255,255,0.15);
    color: var(--white);
}

.navbar.scrolled .nav-link:hover,
.navbar.scrolled .nav-link.active {
    background: var(--blue-soft);
    color: var(--primary);
}

.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 8px;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(-8px);
    transition: var(--transition);
    border: 1px solid var(--border);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-menu a {
    display: block;
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text);
    transition: var(--transition);
}

.dropdown-menu a:hover {
    background: var(--blue-soft);
    color: var(--primary);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.lang-btn {
    padding: 6px 16px;
    border-radius: 50px;
    border: 1.5px solid rgba(255,255,255,0.5);
    background: transparent;
    color: var(--white);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-en);
}

.navbar.scrolled .lang-btn {
    border-color: var(--border);
    color: var(--text);
}

.lang-btn:hover {
    background: rgba(255,255,255,0.2);
}

.navbar.scrolled .lang-btn:hover {
    background: var(--blue-soft);
    border-color: var(--primary);
    color: var(--primary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

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

.navbar.scrolled .nav-toggle span {
    background: var(--text);
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, #0B1A2C 0%, #0A3A5E 40%, #0A6EBD 100%);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 120px 24px 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-orbs {
    position: absolute;
    inset: 0;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.3;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #2E90D6, transparent);
    top: -100px;
    right: 10%;
    animation: orbFloat 8s ease-in-out infinite;
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, #00B2A9, transparent);
    bottom: 10%;
    left: 5%;
    animation: orbFloat 10s ease-in-out infinite reverse;
}

.orb-3 {
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, #7B5EA7, transparent);
    top: 40%;
    left: 30%;
    animation: orbFloat 6s ease-in-out infinite;
}

@keyframes orbFloat {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-30px) scale(1.05); }
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 600px;
    flex: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    color: rgba(255,255,255,0.9);
    font-size: 13px;
    font-weight: 500;
    padding: 8px 18px;
    border-radius: 50px;
    margin-bottom: 24px;
}

.hero-badge i {
    color: var(--secondary);
}

.hero-title {
    font-size: clamp(36px, 5vw, 64px);
    font-weight: 800;
    line-height: 1.1;
    color: var(--white);
    margin-bottom: 20px;
}

.title-line {
    display: block;
}

.hero-title .highlight {
    background: linear-gradient(135deg, #5BC8F5, #00E5D0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    color: rgba(255,255,255,0.75);
    line-height: 1.7;
    margin-bottom: 40px;
}

.hero-subtitle strong {
    color: rgba(255,255,255,0.95);
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 40px;
    padding: 20px 28px;
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius-md);
    width: fit-content;
}

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

.stat-number {
    font-family: var(--font-en);
    font-size: 32px;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
}

.stat-label {
    font-size: 12px;
    color: rgba(255,255,255,0.6);
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,0.2);
}

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

.hero-visual {
    position: relative;
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
}

/* Globe Visual */
.globe-container {
    position: relative;
    width: 380px;
    height: 380px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.globe-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.1);
}

.ring-1 {
    width: 380px;
    height: 380px;
    animation: ringRotate 20s linear infinite;
    border-color: rgba(91,200,245,0.15);
    border-style: dashed;
}

.ring-2 {
    width: 280px;
    height: 280px;
    animation: ringRotate 14s linear infinite reverse;
    border-color: rgba(0,178,169,0.2);
}

.ring-3 {
    width: 180px;
    height: 180px;
    border-color: rgba(255,255,255,0.15);
    animation: ringRotate 8s linear infinite;
}

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

.globe-core {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: var(--white);
    box-shadow: 0 0 40px rgba(10,110,189,0.5), 0 0 80px rgba(0,178,169,0.3);
    animation: corePulse 3s ease-in-out infinite;
    z-index: 2;
}

@keyframes corePulse {
    0%, 100% { box-shadow: 0 0 40px rgba(10,110,189,0.5), 0 0 80px rgba(0,178,169,0.3); }
    50% { box-shadow: 0 0 60px rgba(10,110,189,0.7), 0 0 100px rgba(0,178,169,0.5); }
}

.market-dot {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    cursor: default;
}

.dot-pulse {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--secondary);
    position: relative;
    box-shadow: 0 0 10px var(--secondary);
}

.dot-pulse::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: var(--secondary);
    opacity: 0.3;
    animation: dotPulse 2s ease-out infinite;
}

@keyframes dotPulse {
    0% { transform: scale(1); opacity: 0.3; }
    100% { transform: scale(2.5); opacity: 0; }
}

.market-dot span {
    font-family: var(--font-en);
    font-size: 10px;
    font-weight: 700;
    color: rgba(255,255,255,0.8);
    background: rgba(255,255,255,0.1);
    padding: 2px 6px;
    border-radius: 4px;
}

.dot-my { top: 48%; left: 58%; }
.dot-th { top: 38%; left: 45%; }
.dot-id { top: 62%; left: 60%; }
.dot-ph { top: 35%; left: 70%; }
.dot-vn { top: 30%; left: 53%; }
.dot-sa { top: 25%; left: 20%; }

.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 2;
}

.scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.5));
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0%, 100% { opacity: 0.5; transform: scaleY(1); }
    50% { opacity: 1; transform: scaleY(1.2); }
}

.hero-scroll span {
    font-size: 11px;
    color: rgba(255,255,255,0.5);
    letter-spacing: 2px;
    text-transform: uppercase;
    writing-mode: vertical-rl;
}

/* ===================================
   ABOUT BRIEF
   =================================== */
.about-brief {
    background: var(--white);
}

.about-brief-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-brief-content .section-title {
    font-size: clamp(28px, 3vw, 40px);
}

.about-brief-text {
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 16px;
    font-size: 16px;
}

.about-features {
    margin: 32px 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px;
    background: var(--bg);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.feature-item:hover {
    background: var(--blue-soft);
    transform: translateX(4px);
}

.feature-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 18px;
    flex-shrink: 0;
}

.feature-text strong {
    display: block;
    font-size: 15px;
    color: var(--text);
    margin-bottom: 2px;
}

.feature-text span {
    font-size: 13px;
    color: var(--text-muted);
}

/* About Visual */
.about-brief-visual {
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: stretch;
}

.visual-card {
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
    transition: var(--transition);
}

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

.visual-card.main-card {
    width: 100%;
    padding: 28px 24px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    text-align: center;
}

.visual-card.main-card:hover {
    transform: translateY(-4px);
}

.visual-card.main-card .card-icon {
    font-size: 40px;
    margin-bottom: 12px;
    opacity: 0.9;
}

.visual-card.main-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.visual-card.main-card p {
    font-size: 13px;
    opacity: 0.85;
    line-height: 1.6;
}

/* Side cards sit in a row below the main card */
.about-brief-visual-row {
    display: flex;
    gap: 12px;
}

.visual-card.side-card-1,
.visual-card.side-card-2,
.visual-card.side-card-3 {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 18px 12px;
    text-align: center;
    min-width: 0;
}

.visual-card.side-card-1 i,
.visual-card.side-card-2 i,
.visual-card.side-card-3 i {
    font-size: 24px;
    color: var(--primary);
}

.visual-card span {
    font-size: 12px;
    font-weight: 600;
    color: var(--text);
    word-break: break-word;
    hyphens: auto;
}

/* ===================================
   PRODUCTS SECTION
   =================================== */
.products-section {
    background: var(--bg);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.product-card {
    position: relative;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    border: 1px solid var(--border);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
}

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

.product-card.featured {
    border-color: var(--primary);
    background: linear-gradient(135deg, var(--bg-dark) 0%, #0A3A5E 100%);
    color: var(--white);
}

.product-card-bg {
    position: absolute;
    top: 0;
    right: 0;
    width: 120px;
    height: 120px;
    border-radius: 0 var(--radius-lg) 0 100%;
    opacity: 0.08;
    transition: var(--transition);
}

.product-card:hover .product-card-bg { opacity: 0.12; }

.bg-blue { background: var(--primary); }
.bg-teal { background: var(--teal); }
.bg-green { background: var(--green); }
.bg-purple { background: var(--purple); }

.product-card-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 16px;
    transition: var(--transition);
}

.product-card:not(.featured) .product-card-icon {
    background: var(--blue-soft);
    color: var(--primary);
}

.product-card.featured .product-card-icon {
    background: rgba(255,255,255,0.15);
    color: var(--white);
}

.product-card:hover .product-card-icon {
    transform: scale(1.1) rotate(5deg);
}

.product-card-tag {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.product-card.featured .product-card-tag {
    color: rgba(255,255,255,0.6);
}

.product-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text);
}

.product-card.featured h3 {
    color: var(--white);
}

.product-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 20px;
}

.product-card.featured p {
    color: rgba(255,255,255,0.7);
}

.product-highlights {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 24px;
}

.product-highlights li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted);
}

.product-card.featured .product-highlights li {
    color: rgba(255,255,255,0.75);
}

.product-highlights li i {
    color: var(--secondary);
    font-size: 12px;
}

.product-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    transition: var(--transition);
}

.product-card.featured .product-link {
    color: var(--secondary-light);
}

.product-link:hover {
    gap: 10px;
    color: var(--primary-dark);
}

.product-card.featured .product-link:hover {
    color: var(--white);
}

/* ===================================
   MARKETS SECTION
   =================================== */
.markets-section {
    background: var(--white);
}

.markets-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 64px;
    align-items: start;
    margin-bottom: 48px;
}

.map-visual {
    position: relative;
    background: linear-gradient(135deg, #0B1A2C, #0A3A5E);
    border-radius: var(--radius-xl);
    height: 420px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.05);
}

.map-bg {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 50% 50%, rgba(10,110,189,0.15) 0%, transparent 70%),
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 100%, 40px 40px, 40px 40px;
}

.priority-badge {
    position: absolute;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,178,169,0.2);
    border: 1px solid rgba(0,178,169,0.4);
    color: var(--secondary);
    font-size: 11px;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: 50px;
    white-space: nowrap;
    z-index: 2;
}

.market-nodes {
    position: absolute;
    inset: 0;
}

.market-node {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    cursor: default;
    transition: var(--transition);
}

.market-node:hover {
    z-index: 10;
    transform: scale(1.15);
}

.node-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    position: relative;
}

.priority-1 .node-dot {
    background: var(--secondary);
    box-shadow: 0 0 12px var(--secondary);
}

.priority-1 .node-dot::before {
    content: '';
    position: absolute;
    inset: -5px;
    border-radius: 50%;
    background: var(--secondary);
    opacity: 0.2;
    animation: dotPulse 2s ease-out infinite;
}

.priority-2 .node-dot {
    background: #FFB347;
    box-shadow: 0 0 10px rgba(255,179,71,0.5);
}

.priority-3 .node-dot {
    background: rgba(255,255,255,0.4);
}

.node-label {
    font-size: 10px;
    font-weight: 600;
    color: rgba(255,255,255,0.8);
    background: rgba(0,0,0,0.4);
    padding: 2px 8px;
    border-radius: 4px;
    white-space: nowrap;
}

/* Market Tabs */
.market-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    background: var(--bg);
    padding: 6px;
    border-radius: 50px;
}

.market-tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: 50px;
    border: none;
    background: transparent;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-cn);
}

.market-tab.active {
    background: var(--white);
    color: var(--text);
    box-shadow: var(--shadow-sm);
}

.tab-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.tab-dot.p1 { background: var(--secondary); }
.tab-dot.p2 { background: #FFB347; }
.tab-dot.p3 { background: var(--text-light); }

.market-panel {
    display: none;
}

.market-panel.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.market-cards-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.market-info-card {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: var(--bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.market-info-card:hover {
    background: var(--blue-soft);
    border-color: var(--primary);
    transform: translateX(4px);
}

.market-flag {
    font-size: 32px;
    line-height: 1;
    flex-shrink: 0;
}

.market-info h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 6px;
}

.market-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 8px;
}

.market-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    color: var(--text-muted);
    background: var(--white);
    padding: 3px 8px;
    border-radius: 50px;
    border: 1px solid var(--border);
}

.market-meta i {
    font-size: 10px;
    color: var(--primary);
}

.market-info p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ===================================
   BUSINESS MODEL SECTION
   =================================== */
.business-section {
    background: linear-gradient(135deg, #0B1A2C 0%, #0A3A5E 100%);
    position: relative;
    overflow: hidden;
}

.business-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
}

.business-section .section-tag {
    background: rgba(255,255,255,0.1);
    color: var(--secondary);
    border: 1px solid rgba(0,178,169,0.3);
}

.business-section .section-title,
.business-section .section-desc {
    color: var(--white);
}

.business-section .section-desc {
    color: rgba(255,255,255,0.7);
}

.business-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    position: relative;
    z-index: 1;
}

.business-card {
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.business-card:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.2);
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.business-card.featured-biz {
    background: linear-gradient(135deg, rgba(10,110,189,0.3), rgba(0,178,169,0.2));
    border-color: rgba(10,110,189,0.4);
}

.biz-number {
    font-family: var(--font-en);
    font-size: 64px;
    font-weight: 900;
    color: rgba(255,255,255,0.05);
    position: absolute;
    top: 16px;
    right: 24px;
    line-height: 1;
    letter-spacing: -2px;
}

.biz-icon {
    width: 64px;
    height: 64px;
    border-radius: 20px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--white);
    margin-bottom: 24px;
    transition: var(--transition);
}

.business-card:hover .biz-icon {
    transform: scale(1.1) rotate(-5deg);
}

.business-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
}

.business-card p {
    font-size: 15px;
    color: rgba(255,255,255,0.65);
    line-height: 1.75;
    margin-bottom: 24px;
}

.biz-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.biz-tags span {
    font-size: 12px;
    font-weight: 500;
    color: var(--secondary-light);
    background: rgba(0,178,169,0.15);
    border: 1px solid rgba(0,178,169,0.3);
    padding: 5px 12px;
    border-radius: 50px;
}

/* ===================================
   ACADEMIC SECTION
   =================================== */
.academic-section {
    background: var(--bg);
    overflow: hidden;
}

.hospitals-scroll {
    overflow: hidden;
    margin-bottom: 48px;
    position: relative;
}

.hospitals-scroll::before,
.hospitals-scroll::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 100px;
    z-index: 2;
    pointer-events: none;
}

.hospitals-scroll::before {
    left: 0;
    background: linear-gradient(to right, var(--bg), transparent);
}

.hospitals-scroll::after {
    right: 0;
    background: linear-gradient(to left, var(--bg), transparent);
}

.hospitals-track {
    display: flex;
    gap: 12px;
    animation: hospitalScroll 40s linear infinite;
    width: max-content;
}

@keyframes hospitalScroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

.hospitals-track:hover {
    animation-play-state: paused;
}

.hospital-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--white);
    border: 1.5px solid var(--border);
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text);
    white-space: nowrap;
    transition: var(--transition);
    cursor: default;
}

.hospital-badge::before {
    content: '🏥';
    font-size: 14px;
}

.hospital-badge:hover {
    border-color: var(--primary);
    background: var(--blue-soft);
    color: var(--primary);
}

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

.academic-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 24px;
    background: var(--white);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    transition: var(--transition);
}

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

.academic-item > i {
    font-size: 24px;
    color: var(--primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.academic-item strong {
    display: block;
    font-size: 15px;
    color: var(--text);
    margin-bottom: 4px;
}

.academic-item p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ===================================
   CTA SECTION
   =================================== */
.cta-section {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    padding: 80px 0;
}

.cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 48px;
}

.cta-content h2 {
    font-size: clamp(24px, 3vw, 36px);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
}

.cta-content p {
    font-size: 16px;
    color: rgba(255,255,255,0.8);
    line-height: 1.7;
    max-width: 500px;
}

.cta-actions {
    display: flex;
    gap: 16px;
    flex-shrink: 0;
    flex-wrap: wrap;
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--bg-dark);
    padding: 72px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer .logo-icon {
    color: var(--white);
}

.footer .logo-en {
    color: var(--white);
}

.footer .logo-cn {
    color: rgba(255,255,255,0.5);
}

.footer-desc {
    font-size: 14px;
    color: rgba(255,255,255,0.5);
    line-height: 1.7;
    margin-bottom: 24px;
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.6);
    font-size: 16px;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

.footer-links h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links ul li a {
    font-size: 14px;
    color: rgba(255,255,255,0.5);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}

.footer-links ul li a:hover {
    color: var(--white);
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255,255,255,0.35);
}

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .markets-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .map-visual {
        height: 300px;
    }
    
    .business-cards {
        grid-template-columns: 1fr;
        max-width: 600px;
        margin: 0 auto;
    }
    
    .academic-highlights {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cta-inner {
        flex-direction: column;
        text-align: center;
    }
    
    .cta-actions {
        justify-content: center;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    
    .about-brief-inner {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .about-brief-visual {
        height: 320px;
    }
}

@media (max-width: 768px) {
    .section { padding: 64px 0; }
    
    .nav-menu {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(11,26,44,0.97);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 8px;
        z-index: 999;
    }
    
    .nav-menu.open {
        display: flex;
    }
    
    .nav-menu .nav-link {
        font-size: 20px;
        padding: 16px 32px;
    }
    
    .nav-toggle {
        display: flex;
        z-index: 1001;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: rgba(255,255,255,0.05);
        border: none;
    }
    
    .hero {
        flex-direction: column;
        padding-top: 140px;
        gap: 48px;
    }
    
    .hero-visual {
        display: none;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 16px;
    }
    
    .stat-divider { display: none; }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .academic-highlights {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
        justify-content: center;
    }
    
    .market-tabs {
        flex-direction: column;
        border-radius: var(--radius-md);
    }
    
    .market-tab {
        border-radius: var(--radius-sm);
    }
}

/* ===================================
   PAGE TRANSITION & ANIMATIONS
   =================================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* ===================================
   INNER PAGE COMMON STYLES
   =================================== */
.page-hero {
    background: linear-gradient(135deg, #0B1A2C 0%, #0A3A5E 100%);
    padding: 160px 0 80px;
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
}

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

.page-hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0,178,169,0.15);
    border: 1px solid rgba(0,178,169,0.3);
    color: var(--secondary);
    font-size: 12px;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 50px;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.page-hero h1 {
    font-size: clamp(32px, 4.5vw, 56px);
    font-weight: 800;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 16px;
}

.page-hero p {
    font-size: 18px;
    color: rgba(255,255,255,0.7);
    max-width: 600px;
    line-height: 1.7;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: rgba(255,255,255,0.4);
    margin-top: 24px;
}

.breadcrumb a {
    color: rgba(255,255,255,0.5);
    transition: var(--transition);
}

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

.breadcrumb i { font-size: 10px; }

.breadcrumb .current { color: rgba(255,255,255,0.8); }