/* ===================================
   江苏铭联云计算有限公司 - 企业官网
   设计系统：简约大气 · 科技感
   =================================== */

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

:root {
    /* Brand Colors - 铭联云计算 */
    --primary: #FF6B00;
    --primary-light: #FF8C42;
    --primary-dark: #E55A00;
    --primary-50: #FFF4ED;
    --primary-100: #FFE6D5;

    /* Neutral Colors */
    --dark: #0F1729;
    --dark-2: #1A2238;
    --dark-3: #2B3450;
    --gray-900: #111827;
    --gray-700: #374151;
    --gray-600: #4B5563;
    --gray-500: #6B7280;
    --gray-400: #9CA3AF;
    --gray-300: #D1D5DB;
    --gray-200: #E5E7EB;
    --gray-100: #F3F4F6;
    --gray-50: #F8FAFC;
    --white: #FFFFFF;

    /* Semantic */
    --bg-light: #F8FAFC;
    --bg-section: #FFFFFF;
    --text-primary: #1A1A2E;
    --text-secondary: #6B7280;
    --text-light: #9CA3AF;

    /* Layout */
    --max-width: 1200px;
    --nav-height: 72px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
    --shadow-primary: 0 8px 30px rgba(255, 107, 0, 0.25);

    /* Transitions */
    --t-fast: 0.2s ease;
    --t-base: 0.3s ease;
    --t-slow: 0.5s ease;
}

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

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    color: var(--text-primary);
    background: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

ul {
    list-style: none;
}

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

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

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--t-base);
    border: none;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 12px 36px rgba(255, 107, 0, 0.35);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

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

.btn-dark-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--gray-200);
}

.btn-dark-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
}

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

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    border-bottom: 1px solid var(--gray-100);
    transition: all var(--t-base);
}

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

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
}

.nav-logo .logo-icon {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 20px;
    font-weight: 800;
    flex-shrink: 0;
}

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

.nav-logo .logo-text .main {
    font-size: 16px;
    font-weight: 700;
}

.nav-logo .logo-text .sub {
    font-size: 11px;
    color: var(--gray-400);
    font-weight: 500;
}

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

.nav-menu a {
    font-size: 15px;
    font-weight: 500;
    color: var(--gray-700);
    position: relative;
    padding: 4px 0;
    transition: color var(--t-fast);
}

.nav-menu a::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--t-base);
}

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

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

.nav-cta {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-portal {
    display: none;
}

.lang-toggle {
    padding: 8px 18px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    background: transparent;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--t-base);
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.lang-toggle:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-50);
}

.lang-toggle::before {
    content: "\1F310";
    font-size: 16px;
}

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

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

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

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

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

/* ===== Section Common ===== */
.section {
    padding: 100px 0;
}

.section-light {
    background: var(--bg-light);
}

.section-dark {
    background: var(--dark);
    color: var(--white);
}

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 64px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--primary-50);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}

.section-dark .section-tag {
    background: rgba(255, 107, 0, 0.15);
}

.section-title {
    font-size: 38px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
    margin-bottom: 16px;
}

.section-dark .section-title {
    color: var(--white);
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.section-dark .section-subtitle {
    color: rgba(255, 255, 255, 0.65);
}

/* ===== Hero ===== */
.hero {
    min-height: 100vh;
    background: var(--dark);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    padding-top: var(--nav-height);
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-bg::before {
    content: "";
    position: absolute;
    top: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 107, 0, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-bg::after {
    content: "";
    position: absolute;
    bottom: -20%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(45, 78, 216, 0.12) 0%, transparent 70%);
    border-radius: 50%;
}

.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;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 40%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 40%, transparent 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(255, 107, 0, 0.1);
    border: 1px solid rgba(255, 107, 0, 0.25);
    border-radius: 30px;
    color: var(--primary-light);
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 28px;
}

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

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

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.15;
    color: var(--white);
    margin-bottom: 24px;
    letter-spacing: -1px;
}

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

.hero-desc {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.6);
    max-width: 620px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

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

.hero-stats {
    display: flex;
    gap: 64px;
    justify-content: center;
    margin-top: 72px;
    flex-wrap: wrap;
}

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

.hero-stat .num {
    font-size: 40px;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
}

.hero-stat .num .unit {
    font-size: 20px;
    color: var(--primary-light);
    margin-left: 2px;
}

.hero-stat .label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 8px;
}

/* ===== Page Hero (sub pages) ===== */
.page-hero {
    background: var(--dark);
    padding: calc(var(--nav-height) + 80px) 0 80px;
    position: relative;
    overflow: hidden;
    text-align: center;
}

.page-hero::before {
    content: "";
    position: absolute;
    top: -30%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 107, 0, 0.12) 0%, transparent 70%);
    border-radius: 50%;
}

.page-hero::after {
    content: "";
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(45, 78, 216, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

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

.page-hero h1 {
    font-size: 44px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
}

.page-hero p {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.55);
    max-width: 560px;
    margin: 0 auto;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.4);
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.6);
}

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

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

.feature-card {
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: all var(--t-base);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--t-base);
}

.feature-card:hover {
    border-color: var(--primary-100);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

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

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: var(--primary-50);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    font-size: 26px;
    transition: all var(--t-base);
}

.feature-card:hover .feature-icon {
    background: var(--primary);
    transform: scale(1.05);
}

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

.feature-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===== Product Cards ===== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
}

.capabilities-more {
    display: flex;
    justify-content: center;
    margin-top: 40px;
}

.product-card {
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--t-base);
}

.product-card:hover {
    border-color: var(--primary-100);
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
}

.product-card-header {
    padding: 40px 32px 24px;
    position: relative;
    overflow: hidden;
}

.product-card-header .product-bg-icon {
    position: absolute;
    right: -20px;
    top: -20px;
    font-size: 100px;
    opacity: 0.06;
    line-height: 1;
}

.product-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-primary);
}

.product-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.product-card .product-tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--primary-50);
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    border-radius: 12px;
    margin-bottom: 16px;
}

.product-card .product-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.product-features {
    padding: 0 32px 32px;
}

.product-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--gray-600);
    padding: 8px 0;
    border-bottom: 1px solid var(--gray-50);
}

.product-features li:last-child {
    border-bottom: none;
}

.product-features li .check {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary-50);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    flex-shrink: 0;
}

.product-card-footer {
    padding: 20px 32px;
    background: var(--gray-50);
    border-top: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.product-card-footer .price {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
}

.product-card-footer .btn {
    padding: 8px 20px;
    font-size: 13px;
}

/* ===== Stats Section ===== */
.stats-section {
    background: var(--dark);
    padding: 80px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-item .num {
    font-size: 48px;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
}

.stat-item .num .unit {
    font-size: 24px;
    color: var(--primary-light);
}

.stat-item .label {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 12px;
}

/* ===== CTA Section ===== */
.cta-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.cta-box {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-xl);
    padding: 64px 48px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: "";
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
}

.cta-box::after {
    content: "";
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.cta-box h2 {
    font-size: 32px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
    position: relative;
    z-index: 2;
}

.cta-box p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 32px;
    position: relative;
    z-index: 2;
}

.cta-box .btn {
    background: var(--white);
    color: var(--primary);
    position: relative;
    z-index: 2;
}

.cta-box .btn:hover {
    background: var(--dark);
    color: var(--white);
}

/* ===== About Section ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-text h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 24px;
    line-height: 1.3;
}

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

.about-list {
    margin-top: 28px;
}

.about-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 15px;
    color: var(--gray-700);
}

.about-list li .check-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    flex-shrink: 0;
    margin-top: 2px;
}

.about-visual {
    position: relative;
}

.about-visual .visual-card {
    background: linear-gradient(135deg, var(--dark), var(--dark-2));
    border-radius: var(--radius-xl);
    padding: 48px;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.about-visual .visual-card::before {
    content: "";
    position: absolute;
    top: -30%;
    right: -20%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 107, 0, 0.2) 0%, transparent 70%);
    border-radius: 50%;
}

.visual-card .visual-num {
    font-size: 56px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 12px;
}

.visual-card .visual-label {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 32px;
}

.visual-card .visual-items {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    position: relative;
    z-index: 2;
}

.visual-card .visual-item {
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.visual-card .visual-item .v-num {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-light);
}

.visual-card .visual-item .v-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 4px;
}

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

.timeline::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gray-200);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 48px;
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
}

.timeline-item:nth-child(odd) .timeline-content {
    text-align: right;
    margin-right: 48px;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: 48px;
}

.timeline-dot {
    position: absolute;
    left: 50%;
    top: 8px;
    width: 16px;
    height: 16px;
    background: var(--primary);
    border: 4px solid var(--white);
    border-radius: 50%;
    transform: translateX(-50%);
    box-shadow: 0 0 0 4px var(--primary-50);
    z-index: 2;
}

.timeline-content {
    width: calc(50% - 32px);
}

.timeline-year {
    font-size: 22px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 8px;
}

.timeline-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.timeline-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== Values Section ===== */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 28px;
}

.value-card {
    text-align: center;
    padding: 40px 28px;
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
    transition: all var(--t-base);
}

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

.value-card .value-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: var(--primary-50);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
}

.value-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.value-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

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

.contact-info-card {
    background: linear-gradient(135deg, var(--dark), var(--dark-2));
    border-radius: var(--radius-xl);
    padding: 48px;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.contact-info-card::before {
    content: "";
    position: absolute;
    top: -30%;
    right: -20%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 107, 0, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.contact-info-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 32px;
    position: relative;
    z-index: 2;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 28px;
    position: relative;
    z-index: 2;
}

.contact-info-item .ci-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.contact-info-item .ci-text .label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 4px;
}

.contact-info-item .ci-text .value {
    font-size: 15px;
    color: var(--white);
    font-weight: 500;
}

.contact-form-card {
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-xl);
    padding: 48px;
    box-shadow: var(--shadow-md);
}

.contact-form-card h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.contact-form-card .form-desc {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-family: inherit;
    color: var(--text-primary);
    background: var(--gray-50);
    transition: all var(--t-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.1);
}

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

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

.form-success {
    display: none;
    padding: 16px 20px;
    background: #ECFDF5;
    border: 1px solid #A7F3D0;
    border-radius: var(--radius-sm);
    color: #065F46;
    font-size: 14px;
    margin-bottom: 20px;
}

.form-success.show {
    display: block;
}

.form-success .fs-title {
    font-weight: 600;
    margin-bottom: 8px;
}

.form-success .fs-channels {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px 14px;
    font-size: 13px;
    color: #047857;
    padding-top: 8px;
    border-top: 1px dashed #A7F3D0;
}

.form-success .fs-channels a,
.form-error a {
    color: inherit;
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.form-success .fs-channels a:hover,
.form-error a:hover {
    color: var(--primary);
}

.form-error {
    display: none;
    padding: 16px 20px;
    background: #FEF2F2;
    border: 1px solid #FECACA;
    border-radius: var(--radius-sm);
    color: #991B1B;
    font-size: 14px;
    margin-bottom: 20px;
    line-height: 1.7;
}

.form-error.show {
    display: block;
}

.form-hint {
    font-size: 13px;
    color: var(--gray-500);
    background: var(--gray-50);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    margin: -8px 0 20px;
    line-height: 1.6;
}

#contactForm.is-hidden {
    display: none;
}

.qq-link {
    color: var(--primary);
    font-weight: 600;
    cursor: pointer;
}

.qq-link:hover {
    text-decoration: underline;
}

/* QQ consult widget — agent list (参考主流云厂商客服挂件) */
.qq-widget {
    position: fixed;
    right: 24px;
    bottom: 160px;
    width: 280px;
    max-width: calc(100vw - 32px);
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 16px 48px rgba(15, 23, 41, 0.16), 0 0 0 1px rgba(15, 23, 41, 0.05);
    z-index: 999;
    overflow: hidden;
    opacity: 0;
    transform: translateY(10px) scale(0.97);
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease, bottom 0.2s ease;
    transform-origin: bottom right;
}

body:has(.floating-actions.show-top) .qq-widget {
    bottom: 224px;
}

.qq-widget.open {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.qq-widget-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 14px 12px;
    background: linear-gradient(135deg, #0F1729, #1A2238);
    color: #fff;
}

.qq-widget-title {
    font-size: 14px;
    font-weight: 700;
}

.qq-widget-sub {
    margin-top: 2px;
    font-size: 11px;
    color: rgba(255, 255, 255, 0.55);
}

.qq-widget-close {
    width: 26px;
    height: 26px;
    border: none;
    border-radius: 7px;
    background: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.7);
    font-size: 16px;
    line-height: 1;
    cursor: pointer;
    flex-shrink: 0;
}

.qq-widget-close:hover {
    background: rgba(255, 255, 255, 0.16);
    color: #fff;
}

.qq-widget-list {
    padding: 8px;
    display: grid;
    gap: 4px;
}

.qq-agent {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px;
    border: 1px solid transparent;
    border-radius: 12px;
    background: transparent;
    cursor: pointer;
    font: inherit;
    color: inherit;
    text-align: left;
    transition: background 0.18s ease, border-color 0.18s ease;
}

.qq-agent:hover,
.qq-agent.is-active {
    background: var(--gray-50);
    border-color: var(--gray-100);
}

.qq-agent-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--gray-100);
    flex-shrink: 0;
}

.qq-agent-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.qq-agent-name {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.qq-online {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #22C55E;
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.18);
}

.qq-agent-role {
    font-size: 12px;
    color: var(--gray-500);
}

.qq-agent-go {
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    flex-shrink: 0;
}

.qq-widget-fallback {
    padding: 0 12px 12px;
    border-top: 1px solid var(--gray-100);
    margin-top: 2px;
    padding-top: 10px;
}

.qq-fallback-text {
    font-size: 12px;
    color: var(--gray-500);
    margin-bottom: 8px;
    text-align: center;
}

.qq-fallback-btn {
    width: 100%;
    border: 1px solid var(--gray-200);
    background: #fff;
    border-radius: 10px;
    padding: 9px 12px;
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-700);
    cursor: pointer;
    transition: all 0.18s ease;
}

.qq-fallback-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-50);
}

@media (max-width: 768px) {
    .qq-widget {
        right: 16px;
        bottom: 140px;
    }

    body:has(.floating-actions.show-top) .qq-widget {
        bottom: 200px;
    }
}

.contact-info-item .ci-text a {
    color: inherit;
}

.contact-info-item .ci-text a:hover {
    color: var(--primary);
}

.footer-col a[href^="mailto"],
.footer-col .qq-link {
    color: rgba(255, 255, 255, 0.7);
}

.footer-col a[href^="mailto"]:hover,
.footer-col .qq-link:hover {
    color: var(--primary-light);
}

/* ===== Map Section ===== */
.map-section {
    background: var(--bg-light);
    padding: 80px 0;
}

.map-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.map-wrapper iframe {
    width: 100%;
    height: 420px;
    border: 0;
    display: block;
}

.map-wrapper:hover .map-overlay-hint {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Partner Logos ===== */
.partners-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-top: 48px;
}

.partner-logo {
    width: 170px;
    height: 80px;
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all var(--t-base);
    position: relative;
    overflow: hidden;
}

.partner-logo .pl-icon {
    font-size: 28px;
    line-height: 1;
}

.partner-logo .pl-name {
    font-size: 14px;
    font-weight: 700;
    color: var(--gray-500);
    letter-spacing: 0.5px;
}

.partner-logo:hover {
    border-color: var(--primary-100);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.partner-logo:hover .pl-name {
    color: var(--primary);
}

/* ===== Footer ===== */
.footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.6);
    padding: 72px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 56px;
}

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

.footer-brand .nav-logo .logo-text .main {
    color: var(--white);
}

.footer-brand .nav-logo .logo-text .sub {
    color: rgba(255, 255, 255, 0.4);
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    max-width: 320px;
}

.footer-col h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 20px;
}

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

.footer-col ul li a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    transition: color var(--t-fast);
}

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

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: rgba(255, 255, 255, 0.5);
    transition: all var(--t-fast);
}

.footer-social a:hover {
    background: var(--primary);
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.35);
}

.footer-bottom .icp {
    display: flex;
    gap: 20px;
}

.footer-bottom .icp a:hover {
    color: var(--primary-light);
}

/* ===== Scroll Animations ===== */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.fade-up:nth-child(2) { transition-delay: 0.1s; }
.fade-up:nth-child(3) { transition-delay: 0.2s; }
.fade-up:nth-child(4) { transition-delay: 0.3s; }
.fade-up:nth-child(5) { transition-delay: 0.4s; }

/* ===== Responsive ===== */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 24px;
        gap: 0;
        box-shadow: var(--shadow-lg);
        transform: translateY(-150%);
        transition: transform var(--t-base);
        max-height: calc(100vh - var(--nav-height));
        overflow-y: auto;
    }

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

    .nav-menu a {
        padding: 14px 0;
        width: 100%;
        border-bottom: 1px solid var(--gray-50);
    }

    .nav-toggle {
        display: flex;
    }

    .nav-cta {
        display: flex;
        gap: 10px;
        margin-left: auto;
        margin-right: 12px;
    }

    .hero {
        padding-top: calc(var(--nav-height) + 36px);
        padding-bottom: 48px;
        min-height: auto;
        align-items: flex-start;
    }

    .hero-title {
        font-size: 30px;
        margin-bottom: 14px;
        line-height: 1.25;
    }

    .hero-badge {
        margin-bottom: 16px;
        padding: 6px 14px;
        font-size: 12px;
    }

    .hero-desc {
        font-size: 14px;
        margin-bottom: 20px;
        line-height: 1.65;
    }

    .hero-actions {
        gap: 10px;
        margin-bottom: 0;
    }

    .hero-actions .btn {
        padding: 12px 22px;
        font-size: 14px;
    }

    .hero-stats {
        gap: 16px 28px;
        margin-top: 36px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero-stat .num {
        font-size: 26px;
    }

    .hero-stat .label {
        margin-top: 4px;
        font-size: 12px;
    }

    .section,
    .section-capabilities {
        padding: 48px 0;
    }

    .section-header {
        margin-bottom: 28px;
    }

    .section-tag {
        margin-bottom: 10px;
    }

    .section-title {
        font-size: 24px;
        margin-bottom: 8px;
    }

    .section-subtitle {
        font-size: 14px;
    }

    .features-grid,
    .products-grid,
    .values-grid,
    .partners-grid {
        gap: 14px;
    }

    .feature-card {
        padding: 22px 18px;
    }

    .feature-icon {
        width: 44px;
        height: 44px;
        font-size: 20px;
        margin-bottom: 14px;
    }

    .feature-card h3 {
        font-size: 17px;
        margin-bottom: 8px;
    }

    .feature-card p {
        font-size: 13px;
        line-height: 1.65;
    }

    .product-card-header {
        padding: 22px 18px 14px;
    }

    .product-icon {
        width: 44px;
        height: 44px;
        font-size: 20px;
        margin-bottom: 12px;
    }

    .product-card h3 {
        font-size: 17px;
        margin-bottom: 8px;
    }

    .product-desc {
        font-size: 13px;
        line-height: 1.6;
        margin-bottom: 0;
    }

    .product-features {
        padding: 12px 18px;
        gap: 8px;
    }

    .product-features li {
        font-size: 13px;
    }

    .product-card-footer {
        padding: 14px 18px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-hero {
        padding: calc(var(--nav-height) + 36px) 0 36px;
    }

    .page-hero h1 {
        font-size: 26px;
        margin-bottom: 8px;
    }

    .page-hero p {
        font-size: 14px;
    }

    .stats-section {
        padding: 40px 0;
    }

    .stats-grid {
        gap: 20px;
    }

    .cta-section {
        padding: 48px 0;
    }

    .cta-box {
        padding: 28px 18px;
    }

    .cta-box h2 {
        font-size: 22px;
        margin-bottom: 8px;
    }

    .cta-box p {
        font-size: 14px;
        margin-bottom: 16px;
    }

    .footer {
        padding: 48px 0 24px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
        margin-top: 28px;
        padding-top: 20px;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .contact-info-card,
    .contact-form-card {
        padding: 24px 18px;
    }

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

    .timeline-item,
    .timeline-item:nth-child(odd) {
        flex-direction: row;
    }

    .timeline-item:nth-child(odd) .timeline-content {
        text-align: left;
        margin-right: 0;
    }

    .timeline-content {
        width: calc(100% - 48px);
        margin-left: 48px !important;
        padding: 14px 16px;
    }

    .timeline-dot {
        left: 20px;
    }

    .visual-card {
        padding: 24px 18px;
    }

    .map-section {
        padding: 48px 0;
    }
}

@media (max-width: 600px) {
    .hero-title {
        font-size: 26px;
    }

    .hero-actions {
        flex-direction: row;
        flex-wrap: wrap;
        width: 100%;
    }

    .hero-actions .btn {
        flex: 1 1 auto;
        min-width: 132px;
        width: auto;
        padding: 11px 16px;
        font-size: 13px;
    }

    .hero-stats {
        gap: 12px 20px;
        margin-top: 28px;
    }

    .hero-stat .num {
        font-size: 22px;
    }

    .section,
    .section-capabilities {
        padding: 40px 0;
    }

    .section-header {
        margin-bottom: 22px;
    }

    .section-title {
        font-size: 22px;
    }

    .features-grid,
    .products-grid,
    .values-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .contact-info-card,
    .contact-form-card {
        padding: 20px 16px;
    }

    .visual-card .visual-items {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .partners-grid {
        gap: 8px;
    }

    .partner-logo {
        width: 46%;
        height: 56px;
        padding: 8px;
    }

    .partner-logo .pl-icon {
        font-size: 18px;
    }

    .partner-logo .pl-name {
        font-size: 11px;
    }

    .page-hero {
        padding: calc(var(--nav-height) + 28px) 0 28px;
    }

    .page-hero h1 {
        font-size: 24px;
    }

    .cta-box {
        padding: 24px 16px;
    }

    .cta-box h2 {
        font-size: 20px;
    }

    .floating-actions {
        right: 12px;
        bottom: 14px;
        gap: 8px;
    }

    .fa-btn {
        width: 42px;
        height: 42px;
        font-size: 16px;
    }

    .qq-widget {
        right: 12px;
        bottom: 120px;
        width: min(280px, calc(100vw - 24px));
    }

    .capabilities-more {
        margin-top: 24px;
    }

    .capabilities-more .btn {
        width: 100%;
        max-width: 320px;
        padding: 12px 18px;
        font-size: 14px;
    }
}

/* ===== Scroll Progress Bar ===== */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0;
    background: linear-gradient(90deg, var(--primary), #FF9A4D);
    z-index: 9999;
    transition: width 0.1s linear;
}

/* ===== Floating Actions (QQ + Email + Back to Top) ===== */
.floating-actions {
    position: fixed;
    right: 24px;
    bottom: 32px;
    z-index: 998;
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: flex-end;
}

.fa-btn {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.18);
    transition: all 0.3s ease;
    text-decoration: none;
    position: relative;
    color: #fff;
    font-size: 20px;
}

.fa-btn .fa-label {
    position: absolute;
    right: 64px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--dark);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    padding: 7px 16px;
    border-radius: 8px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

.fa-btn .fa-label::after {
    content: "";
    position: absolute;
    right: -5px;
    top: 50%;
    transform: translateY(-50%);
    border-left: 5px solid var(--dark);
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
}

.fa-btn:hover .fa-label {
    opacity: 1;
}

.fa-qq {
    background: var(--primary);
}

.fa-qq:hover,
.fa-qq.is-active {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

.fa-mail {
    background: var(--primary);
}

.fa-mail:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

.fa-top {
    background: var(--white);
    color: var(--gray-500);
    border: 1px solid var(--gray-200);
    opacity: 0;
    transform: translateY(14px);
    pointer-events: none;
}

.floating-actions.show-top .fa-top {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.fa-top:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    transform: translateY(-3px);
}

/* ===== Map Click-to-Load Placeholder ===== */
.map-placeholder {
    min-height: 420px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 48px 24px;
    text-align: center;
    background:
        radial-gradient(circle at 30% 20%, rgba(255, 107, 0, 0.06), transparent 40%),
        linear-gradient(135deg, #F8FAFC, #EFF3F8);
}

.map-pin-big {
    font-size: 48px;
    line-height: 1;
    animation: mapPinBounce 2s ease-in-out infinite;
}

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

.map-ph-addr {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    max-width: 420px;
}

.map-ph-sub {
    font-size: 13px;
    color: var(--gray-400);
}

@media (max-width: 768px) {
    .floating-actions {
        right: 16px;
        bottom: 20px;
        gap: 10px;
    }

    .fa-btn {
        width: 46px;
        height: 46px;
    }

    .fa-ico {
        font-size: 20px;
    }

    .map-placeholder {
        min-height: 320px;
        padding: 32px 16px;
    }

    .map-ph-addr {
        font-size: 15px;
    }
}

/* ===== Font Awesome icon colors within existing icon containers ===== */
.feature-icon { color: var(--primary); }
.feature-card:hover .feature-icon { color: #fff; }
.product-icon { color: #fff; }
.product-bg-icon { color: var(--primary); }
.value-card .value-icon { color: var(--primary); }
.contact-info-item .ci-icon { color: #fff; }
.partner-logo .pl-icon { color: var(--gray-500); }
.partner-logo:hover .pl-icon { color: var(--primary); }
.pd-visual-icon { color: #fff; }
.map-pin-big { color: var(--primary); }
.fa-ico { color: inherit; }

/* ===== UI Polish ===== */
body { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
.navbar.scrolled { box-shadow: 0 6px 24px rgba(15, 23, 41, 0.08); }
.nav-logo .logo-icon { box-shadow: 0 6px 16px rgba(255, 107, 0, 0.30); }
.hero-badge { box-shadow: 0 4px 14px rgba(255, 107, 0, 0.14); }
.hero-stat { transition: transform 0.3s ease; }
.hero-stat:hover { transform: translateY(-3px); }
.btn { transition: all 0.25s ease; }
.btn-primary { box-shadow: 0 8px 20px rgba(255, 107, 0, 0.20); }
.btn-primary:hover { box-shadow: 0 12px 26px rgba(255, 107, 0, 0.30); transform: translateY(-2px); }
.feature-card { border: 1px solid var(--gray-100); }
.feature-card:hover .feature-icon { box-shadow: 0 8px 18px rgba(255, 107, 0, 0.25); }
.product-card { transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease; }
.pd-visual { box-shadow: 0 20px 50px rgba(15, 23, 41, 0.18); }
.contact-form-card input:focus,
.contact-form-card textarea:focus,
.contact-form-card select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.12); outline: none; }
.contact-form-card input, .contact-form-card textarea, .contact-form-card select { transition: border-color 0.2s ease, box-shadow 0.2s ease; }
.footer-social a { transition: all 0.25s ease; }
.footer-social a:hover { transform: translateY(-3px); }
.section-tag { letter-spacing: 0.5px; }
.map-placeholder { transition: box-shadow 0.3s ease; }
.map-placeholder:hover { box-shadow: 0 10px 30px rgba(255, 107, 0, 0.08); }