/* ===== CSS Variables ===== */
:root {
    --primary: #ff5a2e;
    --primary-dark: #e0481f;
    --primary-light: #fff3ee;
    --primary-glow: rgba(255, 90, 46, 0.2);
    --accent: #2979ff;
    --accent-light: #e8f0fe;
    --text: #1a1a1a;
    --text-secondary: #555555;
    --text-muted: #909399;
    --bg: #ffffff;
    --bg-gray: #f7f8fa;
    --bg-dark: #14141e;
    --border: #ebeef5;
    --border-light: #f0f0f0;
    --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.04);
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.12);
    --radius: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    color: var(--text);
    line-height: 1.7;
    background: var(--bg);
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
}

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

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

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

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

.section-desc {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.8;
}

.bg-gray {
    background: var(--bg-gray);
}

.bg-dark {
    background: var(--bg-dark);
    color: #fff;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
    white-space: nowrap;
    letter-spacing: 0.3px;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 16px rgba(255, 90, 46, 0.25);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 90, 46, 0.35);
}

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

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

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

.btn-outline-light:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.08);
}

.btn-lg {
    padding: 15px 36px;
    font-size: 16px;
}

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

.btn-ghost {
    background: transparent;
    color: var(--primary);
    padding: 8px 20px;
}

.btn-ghost:hover {
    background: var(--primary-light);
}

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

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    box-shadow: var(--shadow-sm);
    padding: 10px 0;
    border-bottom: 1px solid var(--border-light);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 1001;
}

.logo-img {
    height: 44px;
    width: auto;
    object-fit: contain;
    transition: var(--transition);
}

.navbar.scrolled .logo-img {
    height: 38px;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    transition: var(--transition);
    letter-spacing: 1px;
}

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

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

.nav-link {
    color: rgba(255, 255, 255, 0.85);
    font-size: 14px;
    font-weight: 500;
    position: relative;
    transition: var(--transition-fast);
    padding: 4px 0;
    letter-spacing: 0.3px;
}

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

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

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

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

.nav-contact {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-phone {
    color: rgba(255, 255, 255, 0.85);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

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

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

.nav-cta {
    padding: 9px 22px;
    font-size: 13px;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

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

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

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

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

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

/* ===== Hero ===== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 640px;
    overflow: hidden;
    background: var(--bg-dark);
}

.hero-slider {
    position: relative;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.2s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.slide.active {
    opacity: 1;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0,0,0,0.65) 0%, rgba(0,0,0,0.25) 60%, rgba(0,0,0,0.35) 100%);
}

.hero-content {
    position: absolute;
    top: 50%;
    left: 8%;
    transform: translateY(-50%);
    max-width: 560px;
    color: #fff;
    z-index: 10;
    padding: 0 24px;
}

.hero-tag {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 1px;
    margin-bottom: 28px;
}

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

.hero-title .highlight {
    color: var(--primary);
}

.hero-desc {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin-bottom: 36px;
}

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

/* ===== Slider Controls ===== */
.slider-controls {
    position: absolute;
    bottom: 40px;
    right: 8%;
    display: flex;
    align-items: center;
    gap: 20px;
    z-index: 20;
}

.slider-btn {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.3);
    background: transparent;
    color: white;
    font-size: 18px;
    cursor: pointer;
    transition: var(--transition);
}

.slider-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.slider-dots {
    display: flex;
    gap: 10px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background: var(--primary);
    width: 30px;
    border-radius: 5px;
}


.hero-scroll-hint {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 12px;
    z-index: 10;
    animation: bounce 2s ease infinite;
}

.hero-scroll-hint .scroll-line {
    width: 1px;
    height: 32px;
    background: rgba(255, 255, 255, 0.3);
}

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

/* ===== Stats Bar ===== */
.stats-bar {
    position: relative;
    margin-top: -60px;
    z-index: 20;
}

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

.stat-item {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), #ff8a65);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.stat-item:hover::before {
    transform: scaleX(1);
}

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.stat-icon {
    font-size: 36px;
    margin-bottom: 12px;
    line-height: 1;
}

.stat-number-wrapper {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 2px;
    margin-bottom: 8px;
}

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

.stat-unit {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
}

/* ===== Product Showcase ===== */
.product-showcase {
    display: flex;
    align-items: center;
    gap: 80px;
}

.product-showcase-image {
    flex: 1;
    position: relative;
}

.product-showcase-image img {
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.product-showcase-image .glow-ring {
    position: absolute;
    inset: -12px;
    border-radius: calc(var(--radius-xl) + 12px);
    border: 2px solid var(--primary);
    opacity: 0.1;
}

.product-showcase-info {
    flex: 1;
}

.product-showcase-info .section-tag {
    margin-bottom: 16px;
}

.product-showcase-info h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.3;
}

.product-showcase-info .lead {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 36px;
}

.product-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 36px;
}

.product-feature {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.product-feature-icon {
    width: 44px;
    height: 44px;
    background: var(--primary-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.product-feature-text h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
}

.product-feature-text p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.5;
}

/* ===== Product Cards Grid ===== */
.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.product-card {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: var(--transition);
    cursor: pointer;
}

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

.product-card-image {
    position: relative;
    height: 260px;
    overflow: hidden;
    background: var(--bg-gray);
}

.product-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-card:hover .product-card-image img {
    transform: scale(1.08);
}

.product-card-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 5px 14px;
    background: var(--primary);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    border-radius: 50px;
    letter-spacing: 0.5px;
}

.product-card-body {
    padding: 24px;
}

.product-card-body h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 10px;
    transition: var(--transition-fast);
}

.product-card:hover .product-card-body h3 {
    color: var(--primary);
}

.product-card-body .product-card-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 18px;
}

.product-card-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.spec-tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    background: var(--bg-gray);
    border-radius: 50px;
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
}

.spec-tag .spec-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
}

/* ===== Advantages ===== */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.advantage-card {
    text-align: center;
    padding: 40px 28px;
    background: #fff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.advantage-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), #ff8a65);
    border-radius: 3px;
    transition: width 0.4s ease;
}

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

.advantage-card:hover::after {
    width: 60%;
}

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

.advantage-card:hover .advantage-icon {
    background: var(--primary);
    transform: rotateY(180deg);
}

.advantage-card:hover .advantage-icon span {
    color: #fff;
}

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

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

/* ===== Three Core Capabilities ===== */
.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.capability-card {
    background: #fff;
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

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

.capability-visual {
    background: var(--bg-gray);
    padding: 36px 28px 28px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.capability-visual::before {
    content: '';
    position: absolute;
    top: -40px;
    right: -40px;
    width: 120px;
    height: 120px;
    background: var(--primary);
    opacity: 0.04;
    border-radius: 50%;
}

.capability-icon-wrap {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary), #ff8a65);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    box-shadow: 0 8px 24px var(--primary-glow);
    transition: var(--transition);
}

.capability-card:hover .capability-icon-wrap {
    transform: scale(1.08);
}

/* Platform Tags */
.capability-platforms {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

.capability-platforms span {
    padding: 6px 16px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

/* Flow Steps */
.capability-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    flex-wrap: wrap;
}

.flow-step {
    padding: 8px 18px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
}

.flow-arrow {
    font-size: 16px;
    color: var(--primary);
    font-weight: 700;
}

/* Delivery Visual */
.capability-delivery {
    text-align: center;
}

.delivery-path {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-bottom: 12px;
}

.delivery-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--primary);
    flex-shrink: 0;
}

.delivery-dot.end {
    background: var(--accent);
    box-shadow: 0 0 12px rgba(41, 121, 255, 0.4);
}

.delivery-line {
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    position: relative;
}

.delivery-line::after {
    content: '';
    position: absolute;
    top: -3px;
    right: -6px;
    border: 6px solid transparent;
    border-left-color: var(--accent);
    border-right: none;
}

.delivery-label {
    display: inline-block;
    padding: 4px 14px;
    background: var(--accent-light);
    color: var(--accent);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 700;
}

/* Capability Body */
.capability-body {
    padding: 28px;
    position: relative;
}

.capability-num {
    position: absolute;
    top: 20px;
    right: 24px;
    font-size: 48px;
    font-weight: 800;
    color: var(--border);
    line-height: 1;
    pointer-events: none;
    transition: var(--transition);
}

.capability-card:hover .capability-num {
    color: var(--primary-light);
}

.capability-body h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
}

.capability-body p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 18px;
}

.capability-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.capability-list li {
    font-size: 13px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
    padding-left: 4px;
}

.capability-list li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
    flex-shrink: 0;
}

/* ===== Scenarios ===== */
.scenario-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.scenario-tab {
    padding: 10px 24px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.scenario-tab:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.scenario-tab.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 4px 16px var(--primary-glow);
}

.scenario-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.scenario-card {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

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

.scenario-card-image {
    height: 220px;
    overflow: hidden;
}

.scenario-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.scenario-card:hover .scenario-card-image img {
    transform: scale(1.06);
}

.scenario-card-body {
    padding: 24px;
}

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

.scenario-card-body p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

.scenario-card-specs {
    font-size: 13px;
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.scenario-card-specs span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.scenario-card-specs span::before {
    content: '';
    width: 5px;
    height: 5px;
    background: var(--primary);
    border-radius: 50%;
    flex-shrink: 0;
}

/* ===== Brand Carousel ===== */
.brand-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}

.brand-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 28px 16px;
    text-align: center;
    border: 1px solid var(--border-light);
    transition: var(--transition);
    cursor: pointer;
}

.brand-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: transparent;
}

.brand-card .brand-icon {
    font-size: 28px;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 8px;
    transition: var(--transition-fast);
}

.brand-card:hover .brand-icon {
    color: var(--primary);
}

.brand-card .brand-desc {
    font-size: 12px;
    color: var(--text-muted);
}

/* ===== News ===== */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.news-card {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: var(--transition);
    cursor: pointer;
}

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

.news-card-image {
    position: relative;
    height: 210px;
    overflow: hidden;
}

.news-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.news-card:hover .news-card-image img {
    transform: scale(1.08);
}

.news-card-tag {
    position: absolute;
    top: 14px;
    left: 14px;
    padding: 4px 12px;
    background: var(--primary);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    border-radius: 50px;
}

.news-card-body {
    padding: 22px;
}

.news-card-date {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.news-card-body h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--text);
    line-height: 1.5;
    margin-bottom: 10px;
    transition: var(--transition-fast);
}

.news-card:hover .news-card-body h3 {
    color: var(--primary);
}

.news-card-body p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card-link {
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: var(--transition-fast);
}

.news-card-link:hover {
    gap: 8px;
}

/* ===== Franchise ===== */
.franchise-ways {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 72px;
}

.way-card {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 32px 28px;
    background: #fff;
    border-radius: var(--radius-lg);
    border: 2px solid var(--border-light);
    transition: var(--transition);
}

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

.way-number {
    width: 52px;
    height: 52px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 800;
    flex-shrink: 0;
    transition: var(--transition);
}

.way-card:hover .way-number {
    background: var(--primary);
    color: #fff;
}

.way-info h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 6px;
}

.way-info .way-sub {
    font-size: 14px;
    font-weight: 500;
    color: var(--primary);
    margin-bottom: 4px;
}

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

/* Contact Section */
.contact-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info h3 {
    font-size: 30px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 24px;
    line-height: 1.4;
}

.contact-info .highlight-text {
    color: var(--primary);
}

.contact-partners {
    display: flex;
    gap: 12px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.partner-tag {
    padding: 8px 18px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.partner-tag:hover {
    border-color: var(--primary);
    color: var(--primary);
}

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

.contact-feature {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.contact-feature-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-light);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

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

/* Form */
.contact-form-wrapper {
    background: #fff;
    padding: 40px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
    position: sticky;
    top: 100px;
}

.contact-form-wrapper h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 28px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}

.form-group label .required {
    color: #e74c3c;
    margin-left: 2px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition-fast);
    outline: none;
    background: var(--bg-gray);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 3px var(--primary-light);
}

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

.form-check {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.form-check input {
    margin-top: 2px;
    accent-color: var(--primary);
}

.form-check a {
    color: var(--primary);
}

.form-submit-btn {
    width: 100%;
    padding: 14px;
    font-size: 16px;
    font-weight: 600;
}

.form-success {
    display: none;
    text-align: center;
    padding: 40px 20px;
}

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

.form-success .success-icon {
    width: 64px;
    height: 64px;
    background: #4ade80;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin: 0 auto 20px;
}

.form-success h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}

.form-success p {
    font-size: 14px;
    color: var(--text-muted);
}

/* ===== Stores ===== */
.stores-layout {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 28px;
}

.stores-card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.store-card {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: var(--transition);
    cursor: pointer;
}

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

.store-card-image {
    height: 170px;
    overflow: hidden;
}

.store-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.store-card:hover .store-card-image img {
    transform: scale(1.06);
}

.store-card-info {
    padding: 18px;
}

.store-card-tags {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}

.store-tag {
    padding: 3px 10px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 11px;
    font-weight: 600;
    border-radius: 50px;
}

.store-location {
    font-size: 11px;
    color: var(--text-muted);
    padding: 3px 0;
}

.store-card-info h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
}

.store-date {
    font-size: 12px;
    color: var(--text-muted);
}

.more-stores {
    background: #fff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    padding: 24px;
    height: fit-content;
}

.more-stores h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 18px;
}

.more-stores ul {
    margin-bottom: 20px;
}

.more-stores li {
    font-size: 13px;
    color: var(--text-secondary);
    padding: 10px 0;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    gap: 8px;
}

.more-stores li::before {
    content: '';
    width: 5px;
    height: 5px;
    background: var(--primary);
    border-radius: 50%;
    flex-shrink: 0;
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-dark);
    color: #fff;
    padding: 72px 0 28px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    margin-bottom: 56px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
}

.footer-brand img {
    height: 36px;
    width: auto;
}

.footer-brand span {
    font-size: 20px;
    font-weight: 700;
}

.footer-about {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.8;
    margin-bottom: 22px;
}

.footer-social {
    display: flex;
    gap: 10px;
}

.footer-social a {
    width: 38px;
    height: 38px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: var(--transition-fast);
    color: rgba(255, 255, 255, 0.6);
}

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

.footer-col h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 22px;
    color: rgba(255, 255, 255, 0.9);
}

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

.footer-col ul li a {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    transition: var(--transition-fast);
    position: relative;
    padding-left: 0;
    transition: padding-left 0.2s ease, color 0.2s ease;
}

.footer-col ul li a:hover {
    color: var(--primary);
    padding-left: 6px;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 13px;
    margin-bottom: 14px;
}

.footer-contact li .ficon {
    font-size: 15px;
    flex-shrink: 0;
    margin-top: 1px;
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.35);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.35);
    transition: var(--transition-fast);
}

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

.footer-bottom .separator {
    color: rgba(255, 255, 255, 0.15);
    margin: 0 8px;
}

/* ===== Back to Top ===== */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

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

/* ===== Animations ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-in {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ===== Responsive ===== */
@media (max-width: 1200px) {
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .capabilities-grid {
        grid-template-columns: 1fr;
    }
    .brand-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 1024px) {
    .hero-title {
        font-size: 42px;
    }
    .hero-desc {
        font-size: 16px;
    }
    .product-showcase {
        flex-direction: column;
        gap: 48px;
    }
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .stores-layout {
        grid-template-columns: 1fr;
    }
    .stores-card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .contact-section {
        grid-template-columns: 1fr;
    }
    .scenario-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .section-title {
        font-size: 30px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    .nav-menu.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        padding: 20px 32px;
        box-shadow: var(--shadow-lg);
        gap: 0;
    }
    .nav-menu.active .nav-link {
        color: var(--text);
        padding: 14px 0;
        border-bottom: 1px solid var(--border-light);
    }
    .nav-menu.active .nav-link::after {
        display: none;
    }
    .nav-contact {
        display: none;
    }
    .menu-toggle {
        display: flex;
    }
    .hero-content {
        left: 5%;
        max-width: 90%;
    }
    .hero-title {
        font-size: 34px;
    }
    .hero-desc {
        font-size: 15px;
    }
    .slider-controls {
        right: 5%;
        bottom: 30px;
    }
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    .stat-item {
        padding: 24px 16px;
    }
    .stat-number {
        font-size: 32px;
    }
    .stat-unit {
        font-size: 16px;
    }
    .product-grid {
        grid-template-columns: 1fr;
    }
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    .scenario-grid {
        grid-template-columns: 1fr;
    }
    .brand-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .news-grid {
        grid-template-columns: 1fr;
    }
    .franchise-ways {
        grid-template-columns: 1fr;
    }
    .stores-card-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    .section {
        padding: 64px 0;
    }
    .section-title {
        font-size: 26px;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .container {
        padding: 0 20px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }
    .hero-content {
        left: 0;
        padding: 0 20px;
    }
    .hero-buttons {
        flex-direction: column;
    }
    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }
    .stats-grid {
        grid-template-columns: 1fr;
    }
    .section-title {
        font-size: 24px;
    }
    .section-tag {
        font-size: 12px;
    }
    .product-features {
        grid-template-columns: 1fr;
    }
    .contact-form-wrapper {
        padding: 24px;
    }
}