:root {
    --blue: #1a5fb4;
    --blue-dark: #0d3b6b;
    --blue-light: #2d7fe8;
    --accent: #e67e22;
    --bg: #ffffff;
    --bg-gray: #f5f7fa;
    --bg-light: #f8fafc;
    --text: #333333;
    --text-light: #666666;
    --text-muted: #999999;
    --border: #e5e7eb;
    --border-light: #f1f5f9;
    --font: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 8px 25px rgba(0,0,0,0.1);
    --shadow-lg: 0 20px 40px rgba(0,0,0,0.12);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    color: var(--text);
    font-size: 15px;
    line-height: 1.7;
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 24px;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* Top Bar */
#topbar {
    background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue) 100%);
    color: rgba(255,255,255,0.9);
    font-size: 13px;
    padding: 10px 0;
    position: relative;
}

#topbar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

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

#topbar a { 
    color: rgba(255,255,255,0.9); 
    transition: all 0.3s;
}
#topbar a:hover { 
    color: #fff; 
    text-decoration: underline;
}
#topbar i { margin-right: 8px; }

.topbar-left span i { 
    color: var(--accent);
    font-size: 14px;
}
.topbar-right { display: flex; gap: 28px; }

/* Navigation */
#navbar {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: all 0.3s;
}

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

#navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.nav-logo {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
    transition: transform 0.3s;
}

.nav-logo:hover {
    transform: scale(1.02);
}

.nav-logo-primary {
    font-size: 26px;
    font-weight: 700;
    color: var(--blue);
    letter-spacing: -0.5px;
}

.nav-logo-secondary {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--text-muted);
    text-transform: uppercase;
}

.nav-menu { display: flex; gap: 8px; }

.nav-menu a {
    display: block;
    padding: 12px 22px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
    border-radius: var(--radius-sm);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.nav-menu a::before {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent);
    transform: translateX(-50%);
    transition: width 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active { 
    background: rgba(26,95,180,0.08); 
    color: var(--blue);
}

.nav-menu a:hover::before,
.nav-menu a.active::before {
    width: 30px;
}

.nav-toggle {
    display: none;
    background: rgba(26,95,180,0.1);
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--blue);
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    transition: all 0.2s;
}

.nav-toggle:hover {
    background: rgba(26,95,180,0.2);
}

/* Banner */
.banner {
    position: relative;
    height: 850px;
    overflow: hidden;
}

.banner-text { max-width: 650px; color: #fff; }

.banner-text h1 {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 28px;
    line-height: 1.15;
    letter-spacing: -1px;
    position: relative;
}

.banner-text h1::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), transparent);
    border-radius: 2px;
}

.banner-text p {
    font-size: 19px;
    margin-bottom: 45px;
    opacity: 0.95;
    line-height: 1.85;
    font-weight: 300;
    letter-spacing: 0.3px;
}

.banner-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 45px;
    background: #fff;
    color: var(--blue-dark);
    font-weight: 600;
    font-size: 16px;
    border-radius: var(--radius-md);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 25px rgba(0,0,0,0.25);
    position: relative;
    overflow: hidden;
}

.banner-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.banner-btn:hover::before {
    left: 100%;
}

.banner-btn:hover { 
    background: linear-gradient(135deg, var(--accent) 0%, #f5a623 100%);
    color: #fff; 
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(230,126,34,0.4);
}

.banner-btn i { 
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1); 
    font-size: 18px;
}

.banner-btn:hover i { 
    transform: translateX(6px); 
}

.banner-decoration {
    position: absolute;
    z-index: 1;
    pointer-events: none;
}

.banner-decoration.deco-1 {
    top: 15%;
    right: 15%;
    width: 220px;
    height: 220px;
    border: 2px solid rgba(255,255,255,0.1);
    border-radius: 50%;
    animation: pulse 4s ease-in-out infinite;
}

.banner-decoration.deco-2 {
    top: 35%;
    right: 8%;
    width: 140px;
    height: 140px;
    border: 2px solid rgba(255,255,255,0.08);
    border-radius: 50%;
    animation: pulse 3s ease-in-out infinite 0.5s;
}

.banner-decoration.deco-3 {
    bottom: 20%;
    right: 20%;
    width: 100px;
    height: 100px;
    background: rgba(255,255,255,0.06);
    border-radius: 50%;
    animation: float 5s ease-in-out infinite;
}

.banner-decoration.deco-4 {
    bottom: 30%;
    right: 12%;
    width: 50px;
    height: 50px;
    background: rgba(230,126,34,0.35);
    border-radius: 50%;
    animation: float 4s ease-in-out infinite 1s;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.08); opacity: 0.8; }
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-25px) rotate(5deg); }
}

.banner-stats {
    display: flex;
    gap: 55px;
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.15);
}

.banner-stat-item {
    display: flex;
    align-items: center;
    gap: 15px;
    transition: transform 0.3s;
}

.banner-stat-item:hover {
    transform: translateY(-3px);
}

.banner-stat-item .stat-icon {
    width: 48px;
    height: 48px;
    background: rgba(255,255,255,0.15);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    transition: all 0.3s;
}

.banner-stat-item:hover .stat-icon {
    background: rgba(230,126,34,0.8);
    transform: scale(1.1);
}

.banner-stat-item .stat-content {
    display: flex;
    flex-direction: column;
}

.banner-stat-item .stat-value {
    font-size: 28px;
    font-weight: 700;
    line-height: 1.2;
}

.banner-stat-item .stat-label {
    font-size: 14px;
    opacity: 0.85;
    margin-top: 2px;

    border: 2px solid rgba(255,255,255,0.08);
    border-radius: 50%;
    animation: pulse 3s ease-in-out infinite 0.5s;
}

.banner-decoration.deco-3 {
    bottom: 20%;
    right: 20%;
    width: 80px;
    height: 80px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
    animation: float 5s ease-in-out infinite;
}

.banner-decoration.deco-4 {
    bottom: 30%;
    right: 12%;
    width: 40px;
    height: 40px;
    background: rgba(230,126,34,0.3);
    border-radius: 50%;
    animation: float 4s ease-in-out infinite 1s;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.banner-stats {
    display: flex;
    gap: 50px;
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.2);
}

.banner-stat-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.banner-stat-item .stat-icon {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.15);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.banner-stat-item .stat-content {
    display: flex;
    flex-direction: column;
}

.banner-stat-item .stat-value {
    font-size: 24px;
    font-weight: 700;
    line-height: 1.2;
}

.banner-stat-item .stat-label {
    font-size: 13px;
    opacity: 0.8;
}

.swiper-pagination {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 5;
}

.swiper-pagination span {
    width: 30px;
    height: 4px;
    background: rgba(255,255,255,0.4);
    border-radius: 2px;
    cursor: pointer;
    transition: all 0.3s;
}

.swiper-pagination span.active { background: #fff; width: 40px; }

.swiper-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    background: rgba(255,255,255,0.2);
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    z-index: 5;
    transition: all 0.2s;
}

.swiper-btn:hover { background: rgba(255,255,255,0.4); }

.swiper-prev { left: 20px; }
.swiper-next { right: 20px; }

/* Section Common */
.section { padding: 70px 0; }

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 30px;
    font-weight: 700;
    color: var(--blue-dark);
    margin-bottom: 10px;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background: var(--accent);
    margin: 12px auto 0;
    border-radius: 2px;
}

.section-header p {
    font-size: 15px;
    color: var(--text-light);
    margin-top: 15px;
}

/* About */
.about-section { 
    background: linear-gradient(180deg, var(--bg) 0%, var(--bg-gray) 50%, var(--bg) 100%);
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

.about-bg-decoration {
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(26,95,180,0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.about-header {
    margin-bottom: 70px;
}

.section-subtitle {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    color: var(--blue);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
    padding: 6px 16px;
    background: rgba(26,95,180,0.1);
    border-radius: 20px;
}

.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 80px;
    align-items: stretch;
}

.about-image-wrapper {
    position: relative;
    display: flex;
    flex-direction: column;
}

.about-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    flex: 1;
    min-height: 500px;
}

.about-image:hover {
    transform: translateY(-8px);
}

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

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

.about-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.4);
    opacity: 0;
    transition: opacity 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.about-image:hover .about-image-overlay {
    opacity: 1;
}

.overlay-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: #fff;
}

.overlay-content i {
    width: 64px;
    height: 64px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    transition: all 0.3s;
}

.about-image:hover .overlay-content i {
    transform: scale(1.1);
    background: var(--accent);
}

.overlay-content span {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 1px;
}

.about-badge {
    position: absolute;
    bottom: -20px;
    right: 30px;
    display: flex;
    align-items: center;
    gap: 10px;
    background: #fff;
    padding: 12px 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all 0.3s;
}

.about-image-wrapper:hover .about-badge {
    transform: translateY(-5px);
}

.badge-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--blue), var(--blue-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
}

.badge-text {
    font-size: 13px;
    font-weight: 600;
    color: var(--blue-dark);
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.content-section {
    padding: 24px;
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--blue);
    transition: all 0.3s;
}

.content-section:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.content-section h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--blue-dark);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.content-section h3::before {
    content: '';
    width: 3px;
    height: 18px;
    background: var(--accent);
    border-radius: 2px;
}

.content-section p {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-light);
}

.about-stats {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue) 100%);
    border-radius: var(--radius-lg);
}

.about-stat-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    transition: all 0.3s;
}

.about-stat-item:hover {
    background: rgba(255,255,255,0.15);
    transform: translateY(-3px);
}

.stat-icon-box {
    width: 48px;
    height: 48px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
}

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

.stat-num {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
}

.stat-label {
    font-size: 13px;
    color: rgba(255,255,255,0.8);
}

.about-cta {
    display: flex;
    gap: 16px;
    justify-content: flex-start;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 30px;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--blue), var(--blue-light));
    color: #fff;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

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

.btn-outline:hover {
    background: var(--blue);
    color: #fff;
    transform: translateY(-3px);
}

/* Products */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-bottom: 40px;
}

.product-card {
    background: #fff;
    border: 20px solid #fff;
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s;
}

.product-card:hover {
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transform: translateY(-5px);
}

.product-img {
    position: relative;
    height: 300px;
    overflow: hidden;
    border-radius: 10px;
}

.product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

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

.product-overlay {
    position: absolute;
    inset: 0;
    background: rgba(26,95,180,0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

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

.product-overlay a {
    color: #fff;
    font-weight: 600;
    padding: 8px 20px;
    border: 2px solid #fff;
    border-radius: 4px;
    transition: all 0.2s;
}

.product-overlay a:hover { background: #fff; color: var(--blue); }

/* Section Header */
.section {
    padding: 60px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--blue), var(--accent));
    border-radius: 2px;
}

.section-header p {
    font-size: 15px;
    color: var(--text-light);
}

/* Products */
.products-section {
    background: url(pro.jpg) no-repeat center/cover;
}

.product-info { 
    padding: 24px; 
    text-align: center;
}

.product-info h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
    transition: color 0.3s;
}

.product-info p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

.products-sub {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 50px;
}

.sub-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 28px 30px;
    background: linear-gradient(135deg, var(--bg-gray) 0%, #fff 100%);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.sub-item:hover { 
    border-color: var(--blue); 
    box-shadow: 0 10px 30px rgba(26,95,180,0.1);
    transform: translateY(-3px);
}

.sub-item i {
    font-size: 42px;
    color: var(--blue);
    flex-shrink: 0;
    transition: all 0.3s;
}

.sub-item:hover i {
    color: var(--accent);
    transform: scale(1.1);
}

.sub-item div {
    flex: 1;
}

.sub-item h4 { 
    font-size: 17px; 
    font-weight: 600; 
    margin-bottom: 5px;
    color: var(--text);
}

.sub-item p { 
    font-size: 14px; 
    color: var(--text-light); 
}

.sub-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--blue);
    margin-left: auto;
    flex-shrink: 0;
    transition: all 0.3s;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    background: rgba(26,95,180,0.08);
}

.sub-btn:hover { 
    color: var(--accent); 
    background: rgba(230,126,34,0.1);
}

.sub-btn i { 
    font-size: 13px; 
}

.sub-btn:hover i { 
    transform: translateX(4px);
    color: var(--accent);
}
.advantage-section { 
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    padding: 100px 0;
    overflow: hidden;
}

.advantage-full-width {
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 40px;
}

.advantage-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 70px;
    gap: 60px;
}

.advantage-header-left {
    flex: 0 0 auto;
    max-width: 600px;
}

.advantage-subtitle {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--blue);
    margin-bottom: 15px;
    padding-left: 40px;
    position: relative;
}

.advantage-subtitle::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 30px;
    height: 2px;
    background: var(--blue);
}

.advantage-header-left h2 {
    font-size: 42px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 15px;
    line-height: 1.2;
}

.advantage-lead {
    font-size: 16px;
    color: var(--text-light);
    line-height: 1.8;
}

.advantage-header-right {
    display: flex;
    gap: 50px;
}

.advantage-stat-big {
    text-align: center;
}

.stat-big-num {
    font-size: 48px;
    font-weight: 700;
    color: var(--blue);
    line-height: 1;
    margin-bottom: 8px;
    font-family: 'Arial', sans-serif;
}

.stat-big-label {
    font-size: 14px;
    color: var(--text-light);
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
}

.advantage-card {
    position: relative;
    background: #fff;
    border: 1px solid rgba(26,95,180,0.1);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--blue) 0%, var(--accent) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 10;
}

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

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 60px rgba(26,95,180,0.15);
    border-color: rgba(26,95,180,0.2);
    z-index: 5;
}

.advantage-card-inner {
    padding: 50px 40px;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.advantage-icon-area {
    margin-bottom: 30px;
    position: relative;
}

.advantage-num {
    font-size: 72px;
    font-weight: 700;
    color: rgba(26,95,180,0.06);
    line-height: 1;
    font-family: 'Arial', sans-serif;
    position: absolute;
    top: -20px;
    left: -5px;
    z-index: 1;
}

.advantage-icon-wrapper {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--blue) 0%, var(--blue-light) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    color: #fff;
    position: relative;
    z-index: 2;
    box-shadow: 0 10px 30px rgba(26,95,180,0.2);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.advantage-card:hover .advantage-icon-wrapper {
    background: linear-gradient(135deg, var(--accent) 0%, #f5a623 100%);
    transform: scale(1.15) rotate(5deg);
    box-shadow: 0 15px 40px rgba(230,126,34,0.3);
}

.advantage-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.advantage-content h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 15px;
    transition: color 0.3s;
}

.advantage-card:hover h3 {
    color: var(--blue);
}

.advantage-content p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 20px;
}

.advantage-points {
    list-style: none;
    padding: 0;
    margin: 0;
}

.advantage-points li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 8px;
}

.advantage-points li i {
    font-size: 12px;
    color: var(--accent);
}

.advantage-line {
    margin-top: 30px;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, rgba(26,95,180,0.2) 50%, transparent 100%);
    opacity: 0;
    transform: scaleX(0.5);
    transition: all 0.5s;
}

.advantage-card:hover .advantage-line {
    opacity: 1;
    transform: scaleX(1);
}



/* News */
.news-section { 
    background: linear-gradient(180deg, var(--bg-gray) 0%, var(--bg) 100%);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.news-card {
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    float:left;
}

.news-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--blue), var(--accent));
    transform: scaleX(0);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.news-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px);
    border-color: rgba(26,95,180,0.2);
}

.news-img {
    position: relative;
    height: 240px;
    overflow: hidden;
}

.news-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.news-card:hover .news-img img { 
    transform: scale(1.1); 
}

.news-date {
    position: absolute;
    top: 18px;
    left: 18px;
    background: linear-gradient(135deg, var(--blue), var(--blue-light));
    color: #fff;
    border-radius: var(--radius-sm);
    text-align: center;
    padding: 8px 14px;
    line-height: 1.2;
    box-shadow: 0 4px 15px rgba(26,95,180,0.3);
}

.news-day {
    display: block;
    font-size: 22px;
    font-weight: 700;
}

.news-month {
    display: block;
    font-size: 11px;
    opacity: 0.9;
    font-weight: 500;
}

.news-info { 
    padding: 26px; 
}

.news-info h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 12px;
    line-height: 1.5;
    color: var(--text);
    transition: color 0.3s;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card:hover .news-info h3 {
    color: var(--blue);
}

.news-info p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--blue);
    transition: all 0.3s;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    background: rgba(26,95,180,0.08);
}

.news-more:hover { 
    color: var(--accent); 
    background: rgba(230,126,34,0.1);
}

.news-more i { 
    font-size: 13px; 
    transition: transform 0.3s; 
}

.news-more:hover i { 
    transform: translateX(5px); 
}



/* Responsive */
@media (max-width: 1200px) {
    .advantage-full-width {
        max-width: 100%;
        padding: 0 30px;
    }
    .about-grid { gap: 50px; }
    .about-image { min-height: 420px; }
    .about-stats { gap: 15px; }
}

@media (max-width: 1024px) {
    .about-grid { 
        grid-template-columns: 1fr; 
        gap: 60px;
    }
    .about-image { min-height: 400px; }
    .about-stats { 
        flex-direction: row; 
        justify-content: center; 
        gap: 15px;
    }
    .about-stat-item {
        flex: 1;
        text-align: center;
    }
    .about-cta { justify-content: center; }
    
    .products-grid { grid-template-columns: repeat(2, 1fr); }
    
    .advantage-section { padding: 80px 0; }
    .advantage-full-width { padding: 0 24px; }
    .advantage-header { 
        flex-direction: column; 
        align-items: flex-start; 
        gap: 40px; 
        margin-bottom: 50px;
    }
    .advantage-header-left { max-width: 100%; }
    .advantage-header-left h2 { font-size: 36px; }
    .advantage-header-right { gap: 40px; }
    .stat-big-num { font-size: 40px; }
    .advantage-grid { grid-template-columns: repeat(2, 1fr); }
    .advantage-card-inner { padding: 40px 30px; }
    
    .cases-grid { grid-template-columns: repeat(2, 1fr); }
    .case-card img { height: 280px; }
    
    .news-grid { grid-template-columns: repeat(2, 1fr); }
    
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-info::after { display: none; }
    
    .banner { height: 700px; }
    .banner-text h1 { font-size: 42px; }
    .banner-text p { font-size: 16px; }
}

@media (max-width: 768px) {
    .topbar-right { display: none; }
    
    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 80px;
        left: 0;
        right: 0;
        background: #fff;
        border-bottom: 1px solid var(--border-light);
        padding: 15px 24px;
        z-index: 99;
        box-shadow: var(--shadow-sm);
    }
    .nav-menu.open { display: flex; }
    .nav-toggle { display: block; }
    .nav-menu a:hover,
    .nav-menu a.active { 
        background: rgba(26,95,180,0.1); 
        color: var(--blue);
    }
    
    .banner { height: 550px; }
    .banner-text h1 { font-size: 32px; }
    .banner-text p { font-size: 14px; }
    .banner-btn { padding: 14px 32px; font-size: 14px; }
    .banner-stats { display: none; }
    .banner-decoration { display: none; }
    .swiper-btn { display: none; }
    
    .about-grid { 
        grid-template-columns: 1fr; 
        gap: 40px;
    }
    .about-image { min-height: 300px; }
    .about-stats { 
        flex-direction: column; 
        gap: 12px; 
    }
    .about-stat-item {
        flex-direction: row;
        justify-content: flex-start;
        gap: 15px;
        text-align: left;
    }
    .stat-icon-box {
        width: 44px;
        height: 44px;
        font-size: 18px;
    }
    .stat-num {
        font-size: 28px;
    }
    .about-cta {
        flex-direction: column;
        gap: 12px;
    }
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .products-grid { grid-template-columns: 1fr; }
    .products-sub { grid-template-columns: 1fr; }
    
    .advantage-section { padding: 60px 0; }
    .advantage-full-width { padding: 0 20px; }
    .advantage-header { 
        flex-direction: column; 
        align-items: flex-start; 
        gap: 30px; 
        margin-bottom: 40px;
    }
    .advantage-header-left h2 { font-size: 28px; }
    .advantage-header-right { 
        flex-direction: column; 
        gap: 20px; 
        width: 100%; 
    }
    .advantage-stat-big {
        display: flex;
        align-items: center;
        gap: 15px;
        text-align: left;
        padding: 15px;
        background: #fff;
        border-radius: var(--radius-md);
        border: 1px solid rgba(26,95,180,0.1);
    }
    .stat-big-num { font-size: 32px; margin-bottom: 0; }
    .advantage-grid { grid-template-columns: 1fr; }
    .advantage-card-inner { padding: 35px 25px; }
    .advantage-num { font-size: 56px; top: -15px; }
    .advantage-icon-wrapper { width: 56px; height: 56px; font-size: 22px; }
    .advantage-content h3 { font-size: 18px; }
    
    .cases-grid { grid-template-columns: 1fr; }
    .case-card img { height: 240px; }
    
    .news-grid { grid-template-columns: 1fr; }
    
    .footer-grid { grid-template-columns: 1fr; }
    .footer-info::after { display: none; }
    .footer-bottom { flex-direction: column; gap: 15px; text-align: center; }
    
    .section { padding: 60px 0; }
    .section-header h2 { font-size: 26px; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    
    .banner { height: 480px; }
    .banner-text h1 { font-size: 28px; }
    
    .about-image { min-height: 260px; }
    .about-badge {
        right: 15px;
        padding: 10px 18px;
    }
    .badge-icon {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }
    .badge-text { font-size: 12px; }
    
    .products-sub { gap: 16px; }
    .sub-item { padding: 20px; gap: 15px; }
    .sub-item i { font-size: 32px; }
    
    .advantage-card-inner { padding: 28px 20px; }
    
    .case-card img { height: 200px; }
    
    .news-img { height: 200px; }
}