/* ========================================
   CSS Variables / Design Tokens
   ======================================== */
:root {
    --color-primary: #40609c;
    --color-primary-light: #e8edf4;
    --color-primary-dark: #2c4a7c;
    --color-primary-deeper: #1a3050;
    --color-accent: #5a8fd4;
    
    --color-bg: #ffffff;
    --color-surface: #f7f8fa;
    --color-surface-dark: #eef1f6;
    
    --color-text: #1a2332;
    --color-text-secondary: #4a5568;
    --color-muted: #6b7c93;
    --color-light: #9ba8b8;
    --color-border: #e2e6ee;
    
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    
    --max-width: 1600px;
    --container-padding: 80px;
    
    --section-spacing: 140px;
    --section-spacing-sm: 100px;
    
    --radius-sm: 4px;
    --radius: 8px;
    --radius-lg: 12px;
    
    --shadow-sm: 0 2px 8px rgba(64, 96, 156, 0.06);
    --shadow: 0 4px 20px rgba(64, 96, 156, 0.08);
    --shadow-lg: 0 8px 40px rgba(64, 96, 156, 0.12);
    
    --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-fast: 0.2s ease;
    
    --breakpoint-xl: 1400px;
    --breakpoint-lg: 1100px;
    --breakpoint-md: 900px;
    --breakpoint-sm: 640px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.75;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

a:hover {
    color: var(--color-primary-dark);
}

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ========================================
   Container
   ======================================== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ========================================
   Typography
   ======================================== */
.section-label {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.section-title {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    line-height: 1.25;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    font-size: 15px;
    font-weight: 500;
    line-height: 1;
    border-radius: var(--radius);
    border: 1.5px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background-color: var(--color-primary);
    color: #ffffff;
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: #ffffff;
    box-shadow: var(--shadow);
}

.btn-white {
    background-color: #ffffff;
    color: var(--color-primary);
    border-color: #ffffff;
}

.btn-white:hover {
    background-color: var(--color-primary-light);
    border-color: var(--color-primary-light);
    color: var(--color-primary);
    box-shadow: var(--shadow);
}

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

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

.btn-outline-white {
    background-color: transparent;
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.5);
}

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

.btn-ghost {
    background-color: transparent;
    color: #ffffff;
    border-color: transparent;
    padding: 14px 24px;
}

.btn-ghost:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

.btn-sm {
    padding: 10px 20px;
    font-size: 14px;
}

.btn-lg {
    padding: 16px 36px;
    font-size: 16px;
}

/* ========================================
   Link Arrow
   ======================================== */
.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    font-weight: 500;
    color: var(--color-primary);
    transition: gap var(--transition);
}

.link-arrow::after {
    content: '';
    display: inline-block;
    width: 20px;
    height: 1.5px;
    background-color: var(--color-primary);
    position: relative;
    transition: width var(--transition);
}

.link-arrow::after {
    background: linear-gradient(to right, var(--color-primary), transparent);
}

.link-arrow:hover {
    gap: 14px;
    color: var(--color-primary-dark);
}

.link-arrow-light {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    font-weight: 500;
    color: #ffffff;
    transition: gap var(--transition);
}

.link-arrow-light::after {
    content: '';
    display: inline-block;
    width: 24px;
    height: 1.5px;
    background: linear-gradient(to right, #ffffff, transparent);
    transition: width var(--transition);
}

.link-arrow-light:hover {
    gap: 14px;
    color: #ffffff;
}

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

.header.scrolled {
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
}

.header-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 88px;
}

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

.logo img {
    height: 48px;
    width: auto;
    object-fit: contain;
}

.footer-logo img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.nav {
    display: flex;
    align-items: center;
    margin-left: auto;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: block;
    padding: 10px 0;
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text-secondary);
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition);
    border-radius: 1px;
}

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

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

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

.has-dropdown::after {
    content: '';
    position: absolute;
    bottom: -50px;
    left: 0;
    right: 0;
    height: 50px;
}

.dropdown {
    position: absolute;
    top: calc(100% - 8px);
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    min-width: 180px;
    background-color: #ffffff;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 16px 0 12px;
    margin-top: 8px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    pointer-events: none;
    z-index: 1001;
}

.dropdown::before {
    content: '';
    position: absolute;
    top: -16px;
    left: 0;
    right: 0;
    height: 16px;
    background: transparent;
}

.dropdown::after {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 8px;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 16 8' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 0h16L8 8z' fill='%23ffffff'/%3E%3C/svg%3E") no-repeat center;
    pointer-events: none;
}

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

.dropdown-item {
    display: block;
    padding: 10px 20px;
    font-size: 14px;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
}

.dropdown-wide {
    position: fixed;
    top: 88px;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    width: 100vw;
    padding: 40px 0 36px;
    background-color: #ffffff;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all var(--transition);
    z-index: 1001;
}

.dropdown-wide::before {
    content: '';
    position: absolute;
    top: -20px;
    left: 0;
    right: 0;
    height: 20px;
}

.dropdown-wide::after {
    display: none;
}

.has-dropdown:hover .dropdown-wide {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

.dropdown-wide-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 0;
}

.dropdown-group {
    padding: 0 24px;
}

.dropdown-group:not(:last-child) {
    border-right: 1px solid var(--color-border);
}

.dropdown-title {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
    letter-spacing: 0.5px;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.dropdown-title:hover {
    color: var(--color-primary-dark);
    opacity: 0.8;
}

.dropdown-group .dropdown-item {
    display: block;
    padding: 9px 0;
    font-size: 14px;
    line-height: 1.5;
    color: var(--color-text-secondary);
    cursor: default;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-left: 36px;
}

.header-actions .btn {
    display: none;
}

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

.mobile-toggle span {
    display: block;
    width: 22px;
    height: 1.5px;
    background-color: var(--color-text);
    transition: all var(--transition);
    border-radius: 1px;
}

/* ========================================
   Mobile Nav
   ======================================== */
.mobile-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ffffff;
    z-index: 999;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform var(--transition);
    padding-top: 88px;
}

.mobile-nav.active {
    transform: translateX(0);
}

.mobile-nav-content {
    padding: 24px var(--container-padding);
}

.mobile-nav-link {
    display: block;
    padding: 16px 0;
    font-size: 18px;
    font-weight: 500;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border);
}

.mobile-nav-group-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--color-border);
}

.mobile-nav-group-header .mobile-nav-link {
    flex: 1;
    border-bottom: none;
}

.mobile-nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-muted);
    transition: color var(--transition-fast);
    flex-shrink: 0;
}

.mobile-nav-toggle:hover {
    color: var(--color-primary);
}

.mobile-nav-toggle-icon {
    transition: transform var(--transition);
}

.mobile-nav-group.expanded .mobile-nav-toggle-icon {
    transform: rotate(180deg);
}

.mobile-nav-group.expanded .mobile-nav-toggle {
    color: var(--color-primary);
}

.mobile-subnav {
    padding-left: 24px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}

.mobile-nav-group.expanded .mobile-subnav {
    max-height: 500px;
    padding-bottom: 8px;
}

.mobile-subnav .mobile-nav-link {
    font-size: 15px;
    font-weight: 400;
    color: var(--color-muted);
    border-bottom: none;
    padding: 12px 0;
}

.mobile-sub-group {
    margin-bottom: 8px;
}

.mobile-nav-title {
    font-size: 16px !important;
    font-weight: 600 !important;
    color: var(--color-primary) !important;
    border-bottom: 1px solid var(--color-border) !important;
}

.mobile-sub-items {
    padding-left: 16px;
}

.mobile-nav-item {
    display: block;
    padding: 10px 0;
    font-size: 14px;
    color: var(--color-muted);
    border-bottom: none;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 30%;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26, 48, 80, 0.88) 0%, rgba(64, 96, 156, 0.75) 50%, rgba(44, 74, 124, 0.65) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    width: 100%;
    padding: 180px 0 120px;
}

.hero-inner {
    max-width: 800px;
    margin-left: 0;
    margin-right: auto;
    text-align: left;
}

.hero-label {
    display: inline-block;
    font-size: 13px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-title {
    font-size: clamp(40px, 5.5vw, 72px);
    font-weight: 700;
    line-height: 1.15;
    color: #ffffff;
    margin-bottom: 28px;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(16px, 1.8vw, 19px);
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.85);
    max-width: 640px;
    margin-bottom: 48px;
}

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

.hero-scroll {
    position: absolute;
    bottom: 48px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 12px;
    letter-spacing: 2px;
    animation: scrollBounce 2.5s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ========================================
   About Section
   ======================================== */
.about {
    padding: var(--section-spacing) 0;
    background-color: var(--color-bg);
}

.about-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 100px;
    align-items: center;
}

.about-visual {
    position: relative;
}

.about-image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
}

.about-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition);
}

.about-image-wrapper:hover img {
    transform: scale(1.03);
}

.about-year {
    position: absolute;
    bottom: -30px;
    right: -20px;
    background-color: var(--color-primary);
    color: #ffffff;
    padding: 24px 32px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.year-number {
    display: block;
    font-size: 36px;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 4px;
}

.year-text {
    font-size: 12px;
    opacity: 0.8;
    letter-spacing: 1px;
}

.about-content {
    padding: 20px 0;
}

.about-content .section-title {
    margin-bottom: 32px;
}

.about-text {
    font-size: 16px;
    line-height: 1.9;
    color: var(--color-text-secondary);
    margin-bottom: 20px;
}

.about-text-highlight {
    font-size: 17px;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: 40px;
    padding-left: 20px;
    border-left: 3px solid var(--color-primary);
}

.about-text-highlight strong {
    color: var(--color-primary);
    font-weight: 600;
}

.about-stats {
    display: flex;
    align-items: center;
    gap: 32px;
    margin-bottom: 40px;
    padding: 32px 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.stat-item {
    text-align: center;
    flex: 1;
}

.stat-number {
    display: block;
    font-size: 42px;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 13px;
    color: var(--color-muted);
    letter-spacing: 0.5px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background-color: var(--color-border);
}

/* ========================================
   Services Section
   ======================================== */
.services {
    padding: var(--section-spacing) 0 0;
    background-color: var(--color-surface);
}

.services .section-header {
    margin-bottom: 60px;
}

.services-showcase {
    position: relative;
    max-width: var(--max-width);
    margin: 0 auto;
    overflow: hidden;
    padding: 0 var(--container-padding);
}

.service-showcase-item {
    display: none;
    grid-template-columns: 1.2fr 1fr;
}

.service-showcase-item.active {
    display: grid;
}

.service-showcase-image {
    position: relative;
    overflow: hidden;
    height: 520px;
    border-radius: var(--radius-lg);
}

.service-showcase-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.service-showcase-item.active .service-showcase-image img {
    animation: imageZoom 0.6s ease forwards;
}

@keyframes imageZoom {
    from { transform: scale(1.05); opacity: 0.9; }
    to { transform: scale(1); opacity: 1; }
}

.service-showcase-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, transparent 60%, var(--color-surface) 100%);
    border-radius: var(--radius-lg);
}

.service-showcase-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 60px 80px 60px 60px;
}

.service-showcase-number {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.service-showcase-title {
    font-size: clamp(28px, 3vw, 36px);
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.3;
    margin-bottom: 20px;
    letter-spacing: -0.01em;
}

.service-showcase-desc {
    font-size: 16px;
    line-height: 1.8;
    color: var(--color-text-secondary);
    margin-bottom: 28px;
}

.service-showcase-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 32px;
}

.service-showcase-list li {
    font-size: 13px;
    padding: 8px 16px;
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: 20px;
    font-weight: 500;
}

.services-nav {
    padding: 40px 0;
    border-top: 1px solid var(--color-border);
    margin-top: 0;
}

.services-nav-inner {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.service-nav-btn {
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    border-radius: var(--radius);
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.service-nav-btn:hover {
    color: var(--color-primary);
    background-color: var(--color-primary-light);
}

.service-nav-btn.active {
    color: var(--color-primary);
    background-color: var(--color-primary-light);
    border-color: var(--color-primary);
}

/* ========================================
   Cases Section
   ======================================== */
.cases {
    padding: var(--section-spacing) 0;
    background-color: var(--color-bg);
}

.section-header-left {
    margin-bottom: 60px;
}

.section-header-left .section-label {
    margin-bottom: 16px;
}

.section-header-left .section-title {
    margin-bottom: 24px;
}

.cases-showcase {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.case-showcase-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: block;
}

.case-showcase-image {
    position: relative;
    overflow: hidden;
}

.case-showcase-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition);
}

.case-showcase-item:hover .case-showcase-image img {
    transform: scale(1.05);
}

.case-showcase-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 40px;
    background: linear-gradient(to top, rgba(26, 48, 80, 0.9) 0%, transparent 100%);
    color: #ffffff;
}

.case-showcase-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 10px;
    padding: 4px 12px;
    background-color: rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    backdrop-filter: blur(4px);
}

.case-showcase-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
}

.case-showcase-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.case-showcase-image {
    aspect-ratio: 16/10;
}

/* ========================================
   News Section
   ======================================== */
.news {
    padding: var(--section-spacing) 0;
    background-color: var(--color-surface);
}

.news-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 60px;
    gap: 40px;
}

.news-header-left .section-label {
    margin-bottom: 16px;
}

.news-header-left .section-title {
    margin-bottom: 0;
}

.news-list {
    display: flex;
    flex-direction: column;
}

.news-list-item {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
    padding: 36px 0;
    border-bottom: 1px solid var(--color-border);
    align-items: center;
}

.news-list-item:first-child {
    border-top: 1px solid var(--color-border);
}

.news-list-image {
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 16/10;
}

.news-list-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition);
}

.news-list-item:hover .news-list-image img {
    transform: scale(1.05);
}

.news-list-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.news-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-primary);
    background-color: var(--color-primary-light);
    padding: 4px 12px;
    border-radius: 4px;
    width: fit-content;
}

.news-list-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.4;
}

.news-list-excerpt {
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-muted);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-date {
    font-size: 13px;
    color: var(--color-light);
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
    position: relative;
    padding: 140px 0;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.cta-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cta-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26, 48, 80, 0.92) 0%, rgba(44, 74, 124, 0.88) 100%);
    z-index: 1;
}

.cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-label {
    display: inline-block;
    font-size: 13px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 24px;
}

.cta-title {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    color: #ffffff;
    line-height: 1.25;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.cta-desc {
    font-size: 17px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 48px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

.cta-phone-row {
    display: flex;
    justify-content: center;
    gap: 48px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.cta-phone {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    color: #ffffff;
    padding: 16px 28px;
    background-color: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(8px);
    transition: all var(--transition-fast);
}

.cta-phone:hover {
    background-color: rgba(255, 255, 255, 0.12);
}

.cta-phone svg {
    flex-shrink: 0;
    color: var(--color-accent);
}

.cta-phone-label {
    display: block;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 4px;
}

.cta-phone-number {
    font-size: 22px;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 1px;
}

.cta-phone-number:hover {
    color: #ffffff;
}

.cta-phone-address {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.9);
}

.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background-color: var(--color-primary-deeper);
    color: #ffffff;
}

.footer-top {
    padding: 80px 0 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.8fr 1fr 1fr 1fr 1fr;
    gap: 48px;
}

.footer-logo {
    margin-bottom: 24px;
}

.footer-desc {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 28px;
    max-width: 320px;
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 14px;
}

.footer-contact svg {
    flex-shrink: 0;
    color: var(--color-accent);
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.8);
}

.footer-contact a:hover {
    color: #ffffff;
}

.footer-nav-title {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
    color: #ffffff;
    letter-spacing: 0.5px;
}

.footer-nav-list li {
    margin-bottom: 14px;
}

.footer-nav-list a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-fast);
}

.footer-nav-list a:hover {
    color: #ffffff;
}

.footer-bottom {
    padding: 24px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
    text-align: center;
}

.footer-contact-block {
    display: flex;
    flex-direction: column;
}

.footer-phone-large {
    display: block;
    font-size: 28px;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 1px;
    margin-bottom: 20px;
    transition: color var(--transition-fast);
}

.footer-phone-large:hover {
    color: var(--color-accent);
}

.footer-contact-detail p {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 12px;
    line-height: 1.6;
}

.footer-contact-detail svg {
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--color-accent);
}

.footer-consult-btn {
    display: inline-block;
    margin-top: 20px;
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 500;
    color: #ffffff;
    background-color: var(--color-primary);
    border-radius: var(--radius);
    transition: all var(--transition-fast);
    text-align: center;
    width: fit-content;
}

.footer-consult-btn:hover {
    background-color: var(--color-primary-dark);
    color: #ffffff;
}

/* ========================================
   Animations
   ======================================== */
.fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1400px) {
    :root {
        --container-padding: 60px;
        --section-spacing: 120px;
    }
    
    .about-container {
        gap: 80px;
    }
    
    .service-showcase-content {
        padding: 50px 60px 50px 50px;
    }
    
    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 1100px) {
    :root {
        --container-padding: 40px;
        --section-spacing: 100px;
    }
    
    .nav {
        display: none;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .header-actions .btn {
        display: none;
    }
    
    .about-container {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .about-visual {
        max-width: 600px;
    }
    
    .about-year {
        right: 20px;
        bottom: -20px;
    }
    
    .service-showcase-item {
        grid-template-columns: 1fr;
    }
    
    .service-showcase-image {
        height: 360px;
    }
    
    .service-showcase-overlay {
        background: linear-gradient(to bottom, transparent 50%, var(--color-surface) 100%);
    }
    
    .service-showcase-content {
        padding: 40px 0 20px;
    }
    
    .cases-showcase {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .news-list-item {
        grid-template-columns: 200px 1fr;
        gap: 32px;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    :root {
        --container-padding: 32px;
        --section-spacing: 80px;
    }
    
    .hero-content {
        padding: 140px 0 80px;
    }
    
    .hero-title {
        font-size: clamp(32px, 6vw, 48px);
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .hero-scroll {
        display: none;
    }
    
    .about-stats {
        flex-wrap: wrap;
        gap: 24px;
    }
    
    .stat-divider {
        display: none;
    }
    
    .stat-item {
        flex: 1 1 calc(33% - 16px);
    }
    
    .cases-showcase {
        grid-template-columns: 1fr;
    }
    
    .news-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .news-list-item {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .news-list-image {
        aspect-ratio: 16/9;
    }
    
    .cta-section {
        padding: 100px 0;
    }
    
    .cta-phone-row {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
    
    .cta-phone {
        flex-direction: column;
        text-align: center;
        padding: 20px 24px;
        width: 100%;
        max-width: 320px;
    }
    
    .cta-actions {
        flex-direction: column;
    }
    
    .cta-actions .btn {
        width: 100%;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    
    .footer-top {
        padding: 48px 0 36px;
    }
    
    .footer-desc {
        display: none;
    }
    
    .footer-brand {
        display: flex;
        flex-direction: column;
        gap: 16px;
    }
    
    .footer-logo {
        margin-bottom: 0;
    }
    
    .footer-contact {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    
    .footer-contact p {
        margin-bottom: 0;
    }
    
    .footer-nav {
        display: none;
    }
    
    .footer-nav:first-of-type {
        display: block;
    }
    
    .footer-nav:first-of-type .footer-nav-list {
        display: flex;
        flex-wrap: wrap;
        gap: 8px 24px;
    }
    
    .footer-nav:first-of-type .footer-nav-list li {
        margin-bottom: 0;
    }
    
    .footer-contact-block {
        padding-top: 24px;
        border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    
    .footer-phone-large {
        font-size: 22px;
        margin-bottom: 12px;
    }
    
    .footer-contact-detail p {
        font-size: 12px;
        margin-bottom: 8px;
    }
    
    .footer-consult-btn {
        margin-top: 12px;
        padding: 8px 20px;
        font-size: 13px;
    }
    
    .footer-bottom {
        padding: 16px 0;
    }
}

@media (max-width: 640px) {
    :root {
        --container-padding: 20px;
        --section-spacing: 60px;
    }
    
    .header-container {
        height: 72px;
    }
    
    .dropdown-wide {
        top: 72px;
    }
    
    .logo img {
        height: 40px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .service-showcase-image {
        height: 240px;
    }
    
    .about-year {
        padding: 16px 20px;
        right: 10px;
        bottom: -10px;
    }
    
    .year-number {
        font-size: 28px;
    }
    
    .stat-number {
        font-size: 32px;
    }
    
    .service-showcase-content {
        padding: 32px 0 16px;
    }
    
    .service-showcase-title {
        font-size: 24px;
    }
    
    .services-nav-inner {
        gap: 8px;
    }
    
    .service-nav-btn {
        padding: 10px 16px;
        font-size: 13px;
    }
    
    .case-showcase-content {
        padding: 24px;
    }
    
    .case-showcase-title {
        font-size: 18px;
    }
    
    .cta-title {
        font-size: 28px;
    }
    
    .cta-desc {
        font-size: 15px;
        margin-bottom: 32px;
    }
    
    .cta-phone-row {
        margin-bottom: 32px;
    }
    
    .cta-phone {
        padding: 16px 20px;
    }
    
    .cta-phone-number {
        font-size: 20px;
    }
    
    .cta-phone-address {
        font-size: 14px;
    }
}

/* ========================================
   Accessibility
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}