/* ===== 基础重置与变量 ===== */
:root {
    --primary: #FF6B35;
    --primary-dark: #E55A2B;
    --primary-light: #FF8C61;
    --secondary: #1A1A2E;
    --dark: #0F0F1A;
    --darker: #0A0A12;
    --light: #F5F5F7;
    --gray: #8A8A9A;
    --gray-light: #C5C5D0;
    --border: rgba(255,255,255,0.1);
    --gradient-1: linear-gradient(135deg, #FF6B35 0%, #FF8C61 100%);
    --gradient-2: linear-gradient(135deg, #1A1A2E 0%, #0F0F1A 100%);
    --shadow-sm: 0 2px 10px rgba(0,0,0,0.3);
    --shadow-md: 0 8px 30px rgba(0,0,0,0.4);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 30px rgba(255,107,53,0.3);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
    background: var(--darker);
    color: var(--light);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Loading Screen ===== */
#loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--darker);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: opacity 0.5s, visibility 0.5s;
}

#loader.hidden {
    opacity: 0;
    visibility: hidden;
}

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

.loader-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    border: 3px solid var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    font-weight: 700;
    color: var(--primary);
    animation: pulse 1.5s infinite;
}

.loader-bar {
    width: 200px;
    height: 3px;
    background: rgba(255,255,255,0.1);
    border-radius: 3px;
    margin: 0 auto 15px;
    overflow: hidden;
}

.loader-progress {
    height: 100%;
    width: 0;
    background: var(--gradient-1);
    border-radius: 3px;
    animation: loading 2s ease forwards;
}

.loader-content p {
    color: var(--gray);
    font-size: 14px;
    letter-spacing: 2px;
}

@keyframes loading {
    0% { width: 0; }
    100% { width: 100%; }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255,107,53,0.4); }
    50% { transform: scale(1.05); box-shadow: 0 0 0 15px rgba(255,107,53,0); }
}

/* ===== Particle Canvas ===== */
#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    opacity: 0.4;
}

/* ===== Top Bar ===== */
.top-bar {
    background: rgba(10,10,18,0.95);
    border-bottom: 1px solid var(--border);
    padding: 8px 0;
    font-size: 13px;
    position: relative;
    z-index: 1001;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-left {
    display: flex;
    gap: 20px;
    color: var(--gray);
}

.top-bar-left i {
    color: var(--primary);
    margin-right: 5px;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

.top-bar-right a {
    color: var(--gray);
    transition: var(--transition);
}

.top-bar-right a:hover {
    color: var(--primary);
}

.top-bar-right .divider {
    color: var(--border);
}

/* ===== Navigation ===== */
#navbar {
    position: fixed;
    top: 37px;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10,10,18,0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

#navbar.scrolled {
    top: 0;
    background: rgba(10,10,18,0.95);
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

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

.logo-img {
    width: 42px;
    height: 42px;
    object-fit: contain;
}

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

.logo-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--light);
    letter-spacing: 2px;
    line-height: 1.2;
}

.logo-sub {
    font-size: 10px;
    color: var(--gray);
    letter-spacing: 3px;
    text-transform: uppercase;
    line-height: 1.2;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 35px;
}

.nav-link {
    font-size: 14px;
    color: var(--gray-light);
    font-weight: 500;
    position: relative;
    padding: 5px 0;
    transition: var(--transition);
}

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

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.btn-buy {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    background: var(--gradient-1);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    border-radius: 30px;
    transition: var(--transition);
    box-shadow: var(--shadow-glow);
}

.btn-buy:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px rgba(255,107,53,0.5);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1002;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--light);
    border-radius: 2px;
    transition: var(--transition);
}

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

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

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

/* ===== Hero Section ===== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 107px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.1);
    animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
    0% { transform: scale(1.1); }
    100% { transform: scale(1.2); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, 
        rgba(10,10,18,0.7) 0%,
        rgba(10,10,18,0.5) 40%,
        rgba(10,10,18,0.8) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    padding: 0 20px;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--primary);
    font-size: 14px;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 25px;
}

.tag-line {
    width: 40px;
    height: 1px;
    background: var(--primary);
}

.hero-title {
    font-size: clamp(36px, 6vw, 72px);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 25px;
}

.text-stroke {
    color: transparent;
    -webkit-text-stroke: 2px var(--light);
    display: block;
}

.text-accent {
    color: var(--primary);
    text-shadow: 0 0 40px rgba(255,107,53,0.5);
    display: block;
}

.hero-desc {
    font-size: clamp(14px, 2vw, 18px);
    color: var(--gray-light);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 30px;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background: var(--gradient-1);
    color: #fff;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(255,107,53,0.5);
}

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

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(255,107,53,0.1);
}

.btn-sm {
    padding: 10px 20px;
    font-size: 13px;
}

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

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 50px;
    flex-wrap: wrap;
}

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

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.stat-label {
    font-size: 13px;
    color: var(--gray);
    margin-top: 5px;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--gray);
    font-size: 12px;
    letter-spacing: 2px;
    animation: bounce 2s infinite;
    z-index: 2;
}

.mouse {
    width: 24px;
    height: 38px;
    border: 2px solid var(--gray);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--primary);
    border-radius: 2px;
    animation: wheelScroll 2s infinite;
}

@keyframes wheelScroll {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(12px); opacity: 0; }
}

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

/* ===== Slogan Section ===== */
.slogan-section {
    padding: 80px 0;
    text-align: center;
    background: var(--secondary);
    position: relative;
    overflow: hidden;
}

.slogan-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,107,53,0.05) 0%, transparent 70%);
    animation: rotate 30s linear infinite;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.slogan-content {
    position: relative;
    z-index: 1;
}

.slogan-title {
    font-size: clamp(24px, 4vw, 36px);
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--light);
}

.slogan-text {
    font-size: 16px;
    color: var(--gray);
    line-height: 2;
    max-width: 800px;
    margin: 0 auto;
}

/* ===== Section Common ===== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    font-size: 12px;
    letter-spacing: 4px;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.section-title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--light);
}

.section-desc {
    font-size: 16px;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Products Section ===== */
.products-section {
    padding: 100px 0;
    position: relative;
    z-index: 2;
    background: var(--darker);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 80px;
}

.product-card {
    background: var(--secondary);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition-slow);
    position: relative;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(255,107,53,0.3);
}

.product-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    padding: 6px 14px;
    background: var(--gradient-1);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
    z-index: 3;
}

.product-badge.hot {
    background: linear-gradient(135deg, #FF4444, #FF6B6B);
}

.product-badge.new {
    background: linear-gradient(135deg, #44AA44, #66CC66);
}

.product-img-wrap {
    position: relative;
    height: 280px;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(255,107,53,0.1), rgba(26,26,46,0.8));
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-img {
    max-height: 220px;
    width: auto;
    object-fit: contain;
    transition: var(--transition-slow);
}

.product-card:hover .product-img {
    transform: scale(1.05);
}

.product-img-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10,10,18,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.product-card:hover .product-img-overlay {
    opacity: 1;
}

.btn-view {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--gradient-1);
    color: #fff;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    transform: translateY(20px);
    transition: var(--transition);
}

.product-card:hover .btn-view {
    transform: translateY(0);
}

.product-info {
    padding: 25px;
}

.product-name {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 5px;
    color: var(--light);
}

.product-subtitle {
    font-size: 13px;
    color: var(--gray);
    margin-bottom: 18px;
}

.product-specs {
    margin-bottom: 20px;
}

.product-specs li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--gray-light);
    padding: 6px 0;
    border-bottom: 1px solid var(--border);
}

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

.product-specs i {
    color: var(--primary);
    width: 16px;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid var(--border);
}

.product-price {
    display: flex;
    align-items: baseline;
    gap: 3px;
}

.price-symbol {
    font-size: 14px;
    color: var(--primary);
}

.price-num {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.price-from {
    font-size: 12px;
    color: var(--gray);
}

/* Series Section */
.series-section {
    text-align: center;
}

.series-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 40px;
    color: var(--light);
}

.series-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 20px;
}

.series-item {
    padding: 25px 15px;
    background: var(--secondary);
    border-radius: 15px;
    border: 1px solid var(--border);
    transition: var(--transition);
    cursor: pointer;
}

.series-item:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.series-icon {
    width: 50px;
    height: 50px;
    background: rgba(255,107,53,0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.series-icon i {
    font-size: 22px;
    color: var(--primary);
}

.series-item h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--light);
}

.series-item p {
    font-size: 12px;
    color: var(--gray);
}

/* ===== Features Section ===== */
.features-section {
    padding: 100px 0;
    position: relative;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.features-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10,10,18,0.92);
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    padding: 40px 30px;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border);
    border-radius: 20px;
    text-align: center;
    transition: var(--transition-slow);
    backdrop-filter: blur(10px);
}

.feature-card:hover {
    background: rgba(255,107,53,0.05);
    border-color: rgba(255,107,53,0.3);
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-1);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 28px;
    color: #fff;
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    transform: rotateY(360deg);
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--light);
}

.feature-card p {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.8;
}

/* ===== About Section ===== */
.about-section {
    padding: 100px 0;
    position: relative;
    z-index: 2;
    background: var(--darker);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

.about-intro h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--light);
}

.about-intro p {
    font-size: 15px;
    color: var(--gray);
    line-height: 1.9;
    margin-bottom: 15px;
}

.culture-box {
    margin-top: 30px;
    padding: 25px;
    background: var(--secondary);
    border-radius: 15px;
    border-left: 4px solid var(--primary);
}

.culture-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

.culture-item:last-child {
    border-bottom: none;
}

.culture-label {
    font-size: 13px;
    color: var(--gray);
}

.culture-value {
    font-size: 14px;
    color: var(--light);
    font-weight: 600;
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.floating-card {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background: var(--secondary);
    padding: 20px 25px;
    border-radius: 15px;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: var(--shadow-md);
}

.float-icon {
    width: 45px;
    height: 45px;
    background: var(--gradient-1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 18px;
}

.floating-card strong {
    display: block;
    color: var(--light);
    font-size: 14px;
}

.floating-card small {
    color: var(--gray);
    font-size: 12px;
}

/* Timeline */
.timeline-section {
    position: relative;
}

.timeline-title {
    font-size: 24px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 50px;
    color: var(--light);
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary), transparent);
}

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

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

.timeline-dot {
    position: absolute;
    right: -8px;
    top: 5px;
    width: 16px;
    height: 16px;
    background: var(--primary);
    border-radius: 50%;
    border: 3px solid var(--darker);
    box-shadow: var(--shadow-glow);
}

.timeline-item:nth-child(even) .timeline-dot {
    right: auto;
    left: -8px;
}

.timeline-year {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(255,107,53,0.15);
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 10px;
}

.timeline-content h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--light);
}

.timeline-content p {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.7;
}

/* ===== Awards Section ===== */
.awards-section {
    padding: 100px 0;
    background: var(--secondary);
    position: relative;
    z-index: 2;
}

.awards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.award-card {
    padding: 35px;
    background: var(--darker);
    border-radius: 20px;
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.award-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transition: var(--transition);
}

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

.award-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.award-icon {
    width: 60px;
    height: 60px;
    background: rgba(255,107,53,0.1);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary);
    margin-bottom: 20px;
}

.award-year {
    display: inline-block;
    font-size: 12px;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 10px;
    letter-spacing: 1px;
}

.award-card h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--light);
}

.award-card p {
    font-size: 14px;
    color: var(--gray);
}

/* ===== Service Section ===== */
.service-section {
    padding: 100px 0;
    position: relative;
    z-index: 2;
    background: var(--darker);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.service-card {
    padding: 40px 30px;
    background: var(--secondary);
    border-radius: 20px;
    border: 1px solid var(--border);
    text-align: center;
    transition: var(--transition-slow);
    position: relative;
}

.service-card:hover {
    border-color: var(--primary);
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(255,107,53,0.2), rgba(255,107,53,0.05));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 32px;
    color: var(--primary);
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--gradient-1);
    color: #fff;
    transform: rotateY(360deg);
}

.service-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--light);
}

.service-card p {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 20px;
}

.service-tag {
    display: inline-block;
    padding: 5px 15px;
    background: rgba(255,107,53,0.1);
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
}

/* ===== Contact Section ===== */
.contact-section {
    padding: 100px 0;
    background: var(--secondary);
    position: relative;
    z-index: 2;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px;
    background: var(--darker);
    border-radius: 15px;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.info-card:hover {
    border-color: var(--primary);
    transform: translateX(5px);
}

.info-icon {
    width: 50px;
    height: 50px;
    min-width: 50px;
    background: rgba(255,107,53,0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--primary);
}

.info-detail h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--light);
}

.info-detail p,
.info-detail a {
    font-size: 14px;
    color: var(--gray);
}

.info-detail a:hover {
    color: var(--primary);
}

.contact-form-wrap {
    background: var(--darker);
    border-radius: 20px;
    padding: 40px;
    border: 1px solid var(--border);
}

.contact-form h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 25px;
    color: var(--light);
}

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

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

.form-group label {
    display: block;
    font-size: 13px;
    color: var(--gray);
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--light);
    font-size: 14px;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255,107,53,0.05);
    box-shadow: 0 0 15px rgba(255,107,53,0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray);
}

.form-group select option {
    background: var(--secondary);
    color: var(--light);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* ===== Footer ===== */
.footer {
    padding: 70px 0 0;
    background: var(--darker);
    border-top: 1px solid var(--border);
    position: relative;
    z-index: 2;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
}

.footer-brand .footer-logo {
    width: 50px;
    height: 50px;
    margin-bottom: 20px;
}

.footer-desc {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 20px;
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.05);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: var(--gray);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-3px);
}

.footer-links h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--light);
    margin-bottom: 20px;
}

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

.footer-links ul li a {
    font-size: 14px;
    color: var(--gray);
    transition: var(--transition);
}

.footer-links ul li a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.footer-bottom {
    padding: 25px 0;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: var(--gray);
    margin-bottom: 5px;
}

.footer-icp {
    font-size: 12px !important;
    opacity: 0.7;
}

/* ===== Back to Top ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 45px;
    height: 45px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: var(--shadow-glow);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 30px rgba(255,107,53,0.6);
}

/* ===== Toast ===== */
.toast {
    position: fixed;
    top: 120px;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    background: var(--secondary);
    padding: 15px 30px;
    border-radius: 12px;
    border: 1px solid var(--primary);
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--light);
    box-shadow: var(--shadow-lg);
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.toast.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.toast i {
    color: var(--primary);
    font-size: 18px;
}

/* ===== Animation Classes ===== */
.wow {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.wow.visible {
    opacity: 1;
    transform: translateY(0);
}

.wow.fadeInLeft {
    transform: translateX(-30px);
}

.wow.fadeInLeft.visible {
    transform: translateX(0);
}

.wow.fadeInRight {
    transform: translateX(30px);
}

.wow.fadeInRight.visible {
    transform: translateX(0);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item,
    .timeline-item:nth-child(even) {
        width: 100%;
        margin-left: 0;
        padding-left: 50px;
        padding-right: 0;
        text-align: left;
    }
    
    .timeline-dot,
    .timeline-item:nth-child(even) .timeline-dot {
        right: auto;
        left: 12px;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 350px;
        height: 100vh;
        background: var(--secondary);
        flex-direction: column;
        padding: 100px 40px 40px;
        gap: 25px;
        transition: var(--transition);
        border-left: 1px solid var(--border);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link {
        font-size: 16px;
    }
    
    .nav-actions {
        display: none;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .hero-stats {
        gap: 25px;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid,
    .service-grid {
        grid-template-columns: 1fr;
    }
    
    .series-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .awards-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .floating-card {
        display: none;
    }
    
    .top-bar-left {
        display: none;
    }
    
    .top-bar .container {
        justify-content: center;
    }
    
    #navbar {
        top: 33px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
    }
    
    .section-title {
        font-size: 26px;
    }
    
    .series-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form-wrap {
        padding: 25px;
    }
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--darker);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}