/* ===== CSS Variables ===== */
/* 午夜蓝 (Midnight Blue) Theme - Default */
:root {
    --primary-dark: #0f172a;
    --primary-medium: #1e293b;
    --primary-light: #334155;
    --accent-blue: #60a5fa;
    --accent-light: #93c5fd;
    --text-white: #ffffff;
    --text-light: #e0e8f0;
    --text-muted: #a0b0c0;
    --gold: #b87333;  /* Copper accent for Midnight theme */
    --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --gradient-accent: linear-gradient(135deg, #60a5fa 0%, #93c5fd 100%);
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-strong: 0 8px 40px rgba(0, 0, 0, 0.5);
    --transition-fast: 0.3s ease;
    --transition-medium: 0.5s ease;
    --font-serif: 'Noto Serif SC', serif;  /* 思源宋体 */
    --font-sans: 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Card Style B - Copper Accent (Midnight theme default) */
.about-card-style-b,
.dimension-card-style-b,
.industry-card-style-b,
.team-member-style-b {
    border-color: rgba(184, 115, 51, 0.25);
}

.about-card-style-b:hover,
.dimension-card-style-b:hover,
.industry-card-style-b:hover,
.team-member-style-b:hover {
    border-color: rgba(184, 115, 51, 0.5);
    box-shadow: 0 15px 40px rgba(184, 115, 51, 0.15);
}

.about-card-style-b .card-icon,
.dimension-card-style-b .dimension-icon,
.industry-card-style-b .industry-icon {
    background: linear-gradient(135deg, #b87333 0%, #d4956a 100%);
}

.dimension-card-style-b .dimension-tag {
    background: rgba(184, 115, 51, 0.15);
    border-color: rgba(184, 115, 51, 0.3);
}

.team-member-style-b .member-title {
    color: #b87333;
}

.team-grid-aligned .team-member-style-b {
    border-left-color: #b87333;
}

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

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

body {
    font-family: 'Noto Serif SC', serif;  /* Default: 思源宋体 */
    background-color: var(--primary-dark);
    color: var(--text-white);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

/* ===== Container ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 15px 0;
    background: transparent;
    transition: var(--transition-medium);
}

.navbar.scrolled {
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-soft);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-white);
    letter-spacing: 2px;
}

.logo-en {
    font-family: var(--font-sans);
    font-size: 0.7rem;
    font-weight: 400;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-left: 8px;
}

.nav-menu {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-item {
    display: flex;
    align-items: center;
}

.nav-link {
    font-size: 1rem;
    color: var(--text-light);
    padding: 8px 0;
    position: relative;
    display: inline-block;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-blue);
    transition: var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-white);
}

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

/* Language Dropdown Switcher */
.nav-lang-dropdown {
    position: relative;
    margin-left: 20px;
    padding-left: 20px;
    border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.lang-dropdown-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 0;
    background: transparent;
    border: none;
    color: var(--text-light);
    font-size: 1rem;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition-fast);
    line-height: 1.6;
}

.lang-dropdown-btn:hover {
    color: var(--text-white);
}

.lang-dropdown-btn .fa-chevron-down {
    font-size: 0.65rem;
    transition: transform 0.3s ease;
    opacity: 0.7;
}

.nav-lang-dropdown.active .lang-dropdown-btn .fa-chevron-down {
    transform: rotate(180deg);
}

.lang-dropdown-menu {
    position: absolute;
    top: calc(100% + 5px);
    right: 0;
    min-width: 100px;
    background: rgba(15, 23, 42, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    padding: 6px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    z-index: 1001;
    display: none;
}

.nav-lang-dropdown.active .lang-dropdown-menu {
    display: block;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-dropdown-menu li {
    list-style: none;
}

.lang-option {
    display: block;
    padding: 8px 16px;
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.lang-option:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-white);
}

.lang-option.active {
    color: var(--accent-blue);
    font-weight: 600;
}

.lang-option::after {
    display: none !important;
}

/* Legacy Language Switcher - keep for compatibility */
.nav-lang-switcher {
    display: flex;
    align-items: center;
    gap: 0;
    margin-left: 20px;
    padding-left: 20px;
    border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.lang-link {
    padding: 6px 10px !important;
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: var(--transition-fast);
}

.lang-link:hover {
    color: var(--text-white);
}

.lang-link.active {
    color: var(--accent-blue);
    font-weight: 600;
}

.lang-link::after {
    display: none !important;
}

.lang-divider {
    color: rgba(255, 255, 255, 0.3);
    font-size: 0.9rem;
    user-select: none;
}

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

.hamburger,
.hamburger::before,
.hamburger::after {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--text-white);
    transition: var(--transition-fast);
}

.hamburger {
    position: relative;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

/* ===== Sections ===== */
.section {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 0;
}

.section-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-dark);
    z-index: -1;
}

.section-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></svg>');
    background-size: 50px 50px;
    opacity: 0.5;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
    color: var(--text-white);
    letter-spacing: 3px;
}

.section-subtitle {
    font-size: 1.1rem;
    text-align: center;
    color: var(--text-muted);
    max-width: 800px;
    margin: 0 auto 50px;
}

/* ===== Hero Section ===== */
.hero-section {
    background: var(--primary-dark);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, #1e3a5f 0%, #0a1628 70%);
}

/* Stars Animation */
.stars, .stars2, .stars3 {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    background: transparent;
}

.stars {
    background-image: 
        radial-gradient(2px 2px at 20px 30px, white, transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.8), transparent),
        radial-gradient(1px 1px at 90px 40px, white, transparent),
        radial-gradient(2px 2px at 160px 120px, rgba(255,255,255,0.9), transparent),
        radial-gradient(1px 1px at 230px 80px, white, transparent),
        radial-gradient(2px 2px at 300px 150px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 370px 60px, white, transparent),
        radial-gradient(2px 2px at 450px 200px, rgba(255,255,255,0.8), transparent);
    background-repeat: repeat;
    background-size: 500px 300px;
    animation: twinkle 4s ease-in-out infinite;
}

.stars2 {
    background-image: 
        radial-gradient(1px 1px at 50px 100px, white, transparent),
        radial-gradient(2px 2px at 120px 50px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 200px 180px, white, transparent),
        radial-gradient(2px 2px at 280px 90px, rgba(255,255,255,0.8), transparent),
        radial-gradient(1px 1px at 350px 140px, white, transparent),
        radial-gradient(2px 2px at 420px 30px, rgba(255,255,255,0.7), transparent);
    background-repeat: repeat;
    background-size: 450px 250px;
    animation: twinkle 5s ease-in-out infinite 1s;
}

.stars3 {
    background-image: 
        radial-gradient(1px 1px at 80px 150px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 180px 80px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 260px 200px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 340px 120px, rgba(255,255,255,0.5), transparent);
    background-repeat: repeat;
    background-size: 400px 300px;
    animation: twinkle 6s ease-in-out infinite 2s;
}

@keyframes twinkle {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 20px;
}

.hero-logo {
    font-size: 4rem;
    font-weight: 700;
    letter-spacing: 15px;
    margin-bottom: 50px;
    color: var(--text-white);
    text-shadow: 0 0 30px rgba(74, 144, 217, 0.5);
}

.hero-logo-en {
    display: block;
    font-family: var(--font-sans);
    font-size: 1.2rem;
    font-weight: 300;
    letter-spacing: 8px;
    color: var(--text-muted);
    margin-top: 15px;
}

.hero-slogan {
    margin-bottom: 30px;
}

.hero-slogan.secondary {
    margin-bottom: 60px;
}

.slogan-cn {
    font-size: 2rem;
    font-weight: 600;
    letter-spacing: 8px;
    margin-bottom: 10px;
    color: var(--text-white);
}

.slogan-en {
    font-size: 1.2rem;
    font-family: var(--font-sans);
    font-weight: 300;
    letter-spacing: 3px;
    color: var(--text-muted);
}

/* English-only slogan style for English version */
.slogan-en-only {
    font-size: 1.5rem;
    font-family: var(--font-sans);
    font-weight: 400;
    letter-spacing: 4px;
    color: var(--text-white);
}

.scroll-indicator {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    animation: bounce 2s infinite;
}

.scroll-text {
    font-size: 0.9rem;
    letter-spacing: 2px;
}

.scroll-indicator i {
    font-size: 1.5rem;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(10px); }
    60% { transform: translateY(5px); }
}

/* ===== About Section ===== */
.about-section {
    background: linear-gradient(180deg, var(--primary-dark) 0%, var(--primary-medium) 100%);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.about-card {
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.about-card:hover {
    transform: translateY(-10px);
}

/* About Card Style A - Subtle Blue Accent */
.about-card-style-a {
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(74, 144, 217, 0.25);
    border-radius: 20px;
    box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.08);
}

.about-card-style-a:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(74, 144, 217, 0.5);
    box-shadow: 0 15px 40px rgba(74, 144, 217, 0.2);
}

.about-card-style-a .card-icon {
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--primary-light) 100%);
}

/* About Card Style B - Elegant Gold Accent */
.about-card-style-b {
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(201, 169, 98, 0.25);
    border-radius: 20px;
    box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.08);
}

.about-card-style-b:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(201, 169, 98, 0.5);
    box-shadow: 0 15px 40px rgba(201, 169, 98, 0.15);
}

.about-card-style-b .card-icon {
    background: linear-gradient(135deg, var(--gold) 0%, #e8c878 100%);
}

.about-card-style-b .card-list li::before {
    color: var(--gold);
}

.card-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-icon i {
    font-size: 2rem;
    color: var(--text-white);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-white);
}

.card-description {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.8;
}

.card-list {
    text-align: left;
}

.card-list li {
    font-size: 0.95rem;
    color: var(--text-muted);
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
}

.card-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-blue);
}

.about-card-style2 .card-list li::before {
    color: var(--gold);
}

/* ===== Insights Section ===== */
.insights-section {
    background: linear-gradient(180deg, var(--primary-medium) 0%, var(--primary-dark) 100%);
    overflow: hidden;
}

/* Carousel Container - breaks out of parent container to fill viewport */
.insights-carousel-container {
    position: relative;
    width: 100vw;
    left: 50%;
    transform: translateX(-50%);
    margin: 0;
    padding: 40px 0;
    overflow: hidden;
}

.insights-carousel {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    height: 500px;
    perspective: 1000px;
    max-width: 100%;
    margin: 0 auto;
}

.insight-slide {
    position: absolute;
    width: 70%;
    max-width: 1000px;
    min-width: 800px;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

/* Center slide - active */
.insight-slide.active {
    transform: translateX(0) scale(1);
    opacity: 1;
    z-index: 3;
}

/* Left slide */
.insight-slide.prev {
    transform: translateX(-75%) scale(0.8);
    opacity: 0.5;
    z-index: 2;
    filter: blur(2px);
}

/* Right slide */
.insight-slide.next {
    transform: translateX(75%) scale(0.8);
    opacity: 0.5;
    z-index: 2;
    filter: blur(2px);
}

/* Hidden slides */
.insight-slide.hidden {
    transform: translateX(0) scale(0.5);
    opacity: 0;
    z-index: 1;
    pointer-events: none;
}

.insight-card-carousel {
    display: flex;
    flex-direction: row;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    transition: all 0.4s ease;
    width: 100%;
    text-decoration: none;
    color: inherit;
}

.insight-slide.active .insight-card-carousel {
    background: rgba(20, 40, 70, 0.95);
    border-color: rgba(74, 144, 217, 0.6);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6), 0 0 40px rgba(74, 144, 217, 0.25);
}

.insight-slide.active .insight-card-carousel:hover {
    background: rgba(25, 50, 85, 0.98);
    border-color: rgba(74, 144, 217, 0.8);
    box-shadow: 0 35px 90px rgba(0, 0, 0, 0.6), 0 0 50px rgba(74, 144, 217, 0.3);
}

.insight-image {
    flex: 0 0 40%;
    min-height: 380px;
    max-width: 40%;
}

.insight-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.insight-text {
    flex: 1;
    padding: 40px 50px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
}

.insight-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--gradient-accent);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-white);
    margin-bottom: 15px;
    width: fit-content;
}

.insight-text h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-white);
    line-height: 1.4;
}

.insight-text p {
    font-size: 0.95rem;
    color: var(--text-light);
    margin-bottom: 15px;
    line-height: 1.8;
}

.insight-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 15px;
    color: var(--accent-blue);
    font-size: 0.95rem;
}

.insight-cta:hover {
    color: var(--accent-light);
}

.insight-cta i {
    transition: var(--transition-fast);
}

.insight-cta:hover i {
    transform: translateX(5px);
}

/* Carousel Indicators */
.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 30px;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator:hover {
    background: rgba(255, 255, 255, 0.5);
}

.indicator.active {
    background: var(--accent-blue);
    transform: scale(1.2);
    box-shadow: 0 0 15px rgba(74, 144, 217, 0.5);
}

/* ===== Services Section ===== */
.services-section {
    background: var(--primary-dark);
    padding: 100px 0;
}

.services-section .container {
    max-width: 1400px;
}

.subsection-title {
    font-size: 1.8rem;
    font-weight: 600;
    text-align: center;
    margin: 60px 0 40px;
    color: var(--text-white);
}

.dimensions-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.dimension-card {
    display: flex;
    flex-direction: column;
    border-radius: 15px;
    padding: 30px 20px;
    text-align: center;
    transition: var(--transition-medium);
    text-decoration: none;
    min-height: 240px;
}

.dimension-card:hover {
    transform: translateY(-5px);
}

/* Dimension Card Style A - Subtle Blue Accent */
.dimension-card-style-a {
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(74, 144, 217, 0.25);
    border-radius: 20px;
    box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.08);
}

.dimension-card-style-a:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(74, 144, 217, 0.5);
    box-shadow: 0 15px 40px rgba(74, 144, 217, 0.2);
}

.dimension-card-style-a .dimension-icon {
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--primary-light) 100%);
}

/* Dimension Card Style B - Elegant Gold Accent */
.dimension-card-style-b {
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(201, 169, 98, 0.25);
    border-radius: 20px;
    box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.08);
}

.dimension-card-style-b:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(201, 169, 98, 0.5);
    box-shadow: 0 15px 40px rgba(201, 169, 98, 0.15);
}

.dimension-card-style-b .dimension-icon {
    background: linear-gradient(135deg, var(--gold) 0%, #e8c878 100%);
}

.dimension-card-style-b .dimension-icon i {
    color: var(--primary-dark);
}

/* Dimension Tags */
.dimension-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 10px;
    justify-content: center;
    margin-bottom: 18px;
    min-height: 52px;
}

.dimension-tag {
    display: inline-block;
    padding: 5px 14px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    font-size: 0.78rem;
    color: var(--text-white);
    white-space: nowrap;
    letter-spacing: 0.5px;
}

.dimension-card-style-a .dimension-tag {
    background: rgba(74, 144, 217, 0.15);
    border-color: rgba(74, 144, 217, 0.3);
    color: var(--text-white);
}

.dimension-card-style-b .dimension-tag {
    background: rgba(201, 169, 98, 0.15);
    border-color: rgba(201, 169, 98, 0.3);
    color: var(--text-white);
}

.dimension-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dimension-icon i {
    font-size: 1.5rem;
    color: var(--text-white);
}

.dimension-card h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-white);
}


.dimension-value {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.6;
    flex: 1;
}

/* Dimension Link - same style as industry link */
.dimension-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--accent-blue);
    margin-top: auto;
    transition: var(--transition-fast);
}

.dimension-card:hover .dimension-link {
    color: var(--accent-light);
}

.dimension-link i {
    font-size: 0.75rem;
    transition: var(--transition-fast);
}

.dimension-card:hover .dimension-link i {
    transform: translateX(5px);
}


.industries-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

/* Industry section using dimension cards - 4 columns with more spacing */
.services-industries .dimensions-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.services-industries .dimension-card {
    min-height: 260px;
    padding: 35px 25px;
}

.industry-card {
    display: block;
    padding: 35px 25px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-medium);
    text-decoration: none;
}

.industry-card:hover {
    transform: translateY(-8px);
}

/* Industry Card Style A - Subtle Blue Accent (same as About style-a) */
.industry-card-style-a {
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(74, 144, 217, 0.25);
    border-radius: 20px;
    box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.08);
}

.industry-card-style-a:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(74, 144, 217, 0.5);
    box-shadow: 0 15px 40px rgba(74, 144, 217, 0.2);
}

.industry-card-style-a .industry-icon {
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--primary-light) 100%);
}

/* Industry Card Style B - Elegant Gold Accent */
.industry-card-style-b {
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(201, 169, 98, 0.25);
    border-radius: 20px;
    box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.08);
}

.industry-card-style-b:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(201, 169, 98, 0.5);
    box-shadow: 0 15px 40px rgba(201, 169, 98, 0.15);
}

.industry-card-style-b .industry-icon {
    background: linear-gradient(135deg, var(--gold) 0%, #e8c878 100%);
}

.industry-card-style-b .industry-icon i {
    color: var(--primary-dark);
}

.industry-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-medium) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.industry-icon i {
    font-size: 1.8rem;
    color: var(--accent-light);
}

.industry-card h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-white);
}

.industry-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 15px;
}

.industry-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--accent-blue);
    margin-top: 10px;
    transition: var(--transition-fast);
}

.industry-card:hover .industry-link {
    color: var(--accent-light);
}

.industry-link i {
    font-size: 0.75rem;
    transition: var(--transition-fast);
}

.industry-card:hover .industry-link i {
    transform: translateX(5px);
}

/* ===== Team Section ===== */
.team-section {
    background: linear-gradient(180deg, var(--primary-dark) 0%, var(--primary-medium) 100%);
}

.team-grid {
    display: flex;
    flex-direction: column;
    gap: 40px;
    margin-top: 50px;
}

.team-member {
    display: flex;
    gap: 40px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 30px;
    transition: var(--transition-medium);
}

.team-member:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateX(10px);
}

.member-photo {
    flex-shrink: 0;
}

.photo-placeholder {
    width: 120px;
    height: 120px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.photo-placeholder i {
    font-size: 3rem;
    color: var(--text-white);
}

.member-info {
    flex: 1;
}

.member-name {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--text-white);
}

.member-title {
    font-size: 1rem;
    color: var(--accent-blue);
    margin-bottom: 15px;
}

.member-bio {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.8;
}

/* ===== Contact Section ===== */
.contact-section {
    background: linear-gradient(180deg, var(--primary-medium) 0%, var(--primary-dark) 100%);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    margin-top: 50px;
}

.contact-intro {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 30px;
}

.contact-form {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 40px;
}

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

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

.form-group label {
    display: block;
    font-size: 0.95rem;
    color: var(--text-light);
    margin-bottom: 8px;
}

.required {
    color: #ff6b6b;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    font-size: 1rem;
    font-family: var(--font-serif);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: var(--text-white);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    background: rgba(255, 255, 255, 0.15);
}

.form-group select {
    cursor: pointer;
}

.form-group select option {
    background: var(--primary-dark);
    color: var(--text-white);
}

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

.char-count {
    display: block;
    text-align: right;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 5px;
}

.submit-btn {
    width: 100%;
    padding: 15px 30px;
    font-size: 1.1rem;
    font-family: var(--font-serif);
    background: var(--gradient-accent);
    border: none;
    border-radius: 8px;
    color: var(--text-white);
    cursor: pointer;
    transition: var(--transition-fast);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(74, 144, 217, 0.4);
}

.contact-info {
    padding: 40px 0;
}

.contact-info h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 30px;
    color: var(--text-white);
}

.info-item {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--accent-blue);
    width: 30px;
    text-align: center;
}

.info-item strong {
    display: block;
    font-size: 1rem;
    color: var(--text-white);
    margin-bottom: 5px;
}

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

.info-item p a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: var(--transition-fast);
}

.info-item p a:hover {
    color: var(--accent-light);
    text-decoration: underline;
}

/* ===== Footer ===== */
.footer {
    background: var(--primary-dark);
    padding: 60px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.footer-logo .logo-text {
    font-size: 1.5rem;
    margin-bottom: 10px;
    display: block;
}

.footer-logo p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    font-size: 0.95rem;
    color: var(--text-muted);
}

.footer-links a:hover {
    color: var(--accent-blue);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* ===== Modal ===== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    overflow-y: auto;
    padding: 50px 20px;
}

.modal.active {
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.modal-content {
    background: var(--primary-dark);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    max-width: 800px;
    width: 100%;
    padding: 40px;
    position: relative;
    animation: modalSlideIn 0.3s ease;
}

.modal-large {
    max-width: 1000px;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 25px;
    font-size: 2rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition-fast);
}

.modal-close:hover {
    color: var(--text-white);
}

.modal-title {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-white);
}

.modal-subtitle {
    font-size: 1rem;
    color: var(--accent-blue);
    margin-bottom: 30px;
}

.service-list {
    margin-top: 20px;
}

.service-list li {
    padding: 10px 0;
    padding-left: 25px;
    position: relative;
    color: var(--text-light);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.service-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-blue);
}

.industry-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.industry-table th,
.industry-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.industry-table th {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-white);
    font-weight: 600;
}

.industry-table td {
    color: var(--text-light);
    font-size: 0.95rem;
}

.industry-table tr:hover td {
    background: rgba(255, 255, 255, 0.03);
}

/* ===== Expanded About Cards ===== */
.about-grid-expanded {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-top: 50px;
}

.about-card-expanded {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 40px 50px;
    display: flex;
    align-items: flex-start;
    gap: 40px;
    transition: var(--transition-medium);
    backdrop-filter: blur(10px);
}

.about-card-expanded:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateX(10px);
    box-shadow: var(--shadow-strong);
}

.about-card-expanded .card-icon {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    margin: 0;
}

.about-card-expanded .card-content {
    flex: 1;
}

.about-card-expanded .card-title {
    font-size: 1.6rem;
    margin-bottom: 20px;
    text-align: left;
}

.about-card-expanded .card-description {
    font-size: 1.05rem;
    text-align: left;
    line-height: 1.9;
    margin-bottom: 0;
}

/* ===== Vertical Team Layout with Alternating Indentation ===== */
.team-grid-vertical {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-top: 50px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.team-member-vertical {
    border-radius: 20px;
    padding: 35px 40px;
    transition: var(--transition-medium);
}

/* Team Member Style A - Subtle Blue Accent */
.team-member-style-a {
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(74, 144, 217, 0.25);
    box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.08);
}

.team-member-style-a:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(74, 144, 217, 0.5);
    box-shadow: 0 15px 40px rgba(74, 144, 217, 0.2);
}

.team-member-style-a .member-title {
    color: var(--accent-blue);
}

/* Team Member Style B - Elegant Gold Accent */
.team-member-style-b {
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(201, 169, 98, 0.25);
    box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.08);
}

.team-member-style-b:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(201, 169, 98, 0.5);
    box-shadow: 0 15px 40px rgba(201, 169, 98, 0.15);
}

.team-member-style-b .member-title {
    color: var(--gold);
}

/* Alternating indentation - legacy styles */
.team-member-left {
    margin-right: 100px;
    border-left: 3px solid var(--accent-blue);
}

.team-member-right {
    margin-left: 100px;
    border-right: 3px solid var(--gold);
}

/* Aligned team grid - no indentation */
.team-grid-aligned .team-member-vertical {
    margin-left: 0;
    margin-right: 0;
    border-left: 3px solid var(--accent-blue);
    border-right: none;
}

.team-grid-aligned .team-member-style-b {
    border-left-color: var(--gold);
}

.team-member-vertical .member-header {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.team-member-vertical .member-name {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-white);
}

.team-member-vertical .member-title {
    font-size: 1rem;
    color: var(--accent-blue);
}

.team-member-right .member-title {
    color: var(--gold);
}

.member-bio-vertical {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.9;
}

.member-bio-vertical p {
    margin-bottom: 12px;
}

.member-bio-vertical p:last-child {
    margin-bottom: 0;
}

.member-expertise {
    font-weight: 600;
    color: var(--text-white);
    font-size: 1rem;
    margin-bottom: 15px !important;
}

/* Legacy expanded team cards - keep for compatibility */
.team-grid-expanded {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 50px;
}

.team-member-expanded {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px;
    transition: var(--transition-medium);
}

.team-member-expanded:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-5px);
    box-shadow: var(--shadow-strong);
}

.team-member-expanded .member-name {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-white);
}

.team-member-expanded .member-title {
    font-size: 1.1rem;
    color: var(--accent-blue);
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.team-member-expanded .member-bio {
    font-size: 1rem;
    color: var(--text-light);
    line-height: 2;
}

.team-member-expanded .member-bio p {
    margin-bottom: 15px;
}

.team-member-expanded .member-bio p:last-child {
    margin-bottom: 0;
}

/* ===== Responsive Design ===== */
@media (max-width: 1200px) {
    .dimensions-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .industries-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-industries .dimensions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(10, 22, 40, 0.98);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-medium);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-item {
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-link {
        display: block;
        padding: 15px 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-lang-switcher {
        margin-left: 0;
        padding-left: 0;
        border-left: none;
        justify-content: center;
        padding-top: 15px;
        margin-top: 10px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .insight-slide {
        width: 90%;
        min-width: 600px;
    }
    
    .insight-slide.prev {
        transform: translateX(-80%) scale(0.75);
    }
    
    .insight-slide.next {
        transform: translateX(80%) scale(0.75);
    }
    
    .insight-card-carousel {
        flex-direction: column;
    }
    
    .insight-image {
        flex: 0 0 auto;
        max-width: 100%;
        min-height: 250px;
    }
    
    .insight-text {
        padding: 30px;
    }
    
    .dimensions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .team-member {
        flex-direction: column;
        text-align: center;
    }
    
    .member-photo {
        margin: 0 auto;
    }
    
    .about-card-expanded {
        flex-direction: column;
        text-align: center;
        padding: 30px;
    }
    
    .about-card-expanded .card-icon {
        margin: 0 auto 20px;
    }
    
    .about-card-expanded .card-title,
    .about-card-expanded .card-description {
        text-align: center;
    }
    
    .team-grid-expanded {
        grid-template-columns: 1fr;
    }
    
    .team-member-left,
    .team-member-right {
        margin-left: 0;
        margin-right: 0;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .hero-logo {
        font-size: 2.5rem;
        letter-spacing: 8px;
    }
    
    .slogan-cn {
        font-size: 1.5rem;
        letter-spacing: 4px;
    }
    
    .slogan-en {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .insight-slide {
        width: 95%;
        min-width: auto;
    }
    
    .insight-slide.prev,
    .insight-slide.next {
        opacity: 0;
        pointer-events: none;
    }
    
    .insights-carousel {
        height: auto;
        min-height: 450px;
    }
    
    .insight-card-carousel {
        flex-direction: column;
    }
    
    .insight-image {
        flex: 0 0 auto;
        max-width: 100%;
        min-height: 200px;
    }
    
    .insight-text {
        padding: 25px;
    }
    
    .insight-text h3 {
        font-size: 1.2rem;
    }
    
    .insight-text p {
        font-size: 0.9rem;
    }
    
    .dimensions-grid {
        grid-template-columns: 1fr;
    }
    
    /* Mobile dimension tags - better wrapping */
    .dimension-tags {
        gap: 8px;
        min-height: auto;
        padding: 0 10px;
    }
    
    .dimension-tag {
        padding: 6px 12px;
        font-size: 0.75rem;
    }
    
    .dimension-card {
        min-height: auto;
        padding: 25px 15px;
    }
    
    .industries-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }
    
    .modal-content {
        padding: 25px;
    }
    
    .industry-table {
        font-size: 0.85rem;
    }
    
    .industry-table th,
    .industry-table td {
        padding: 10px 8px;
    }
}

@media (max-width: 480px) {
    .hero-logo {
        font-size: 2rem;
        letter-spacing: 5px;
    }
    
    .slogan-cn {
        font-size: 1.2rem;
    }
    
    .insights-tabs {
        flex-direction: column;
        align-items: center;
    }
    
    .tab-btn {
        width: 100%;
        max-width: 250px;
    }
}