:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary: #f59e0b;
    --success: #10b981;
    --danger: #ef4444;
    --dark: #111827;
    --gray: #6b7280;
    --light-gray: #f3f4f6;
    --border-color: #e5e7eb;
    --white: #ffffff;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-md: 0 8px 16px -4px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.04);
    --shadow-lg: 0 20px 40px -8px rgba(0,0,0,0.1), 0 8px 16px -4px rgba(0,0,0,0.06);
    --radius: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif; color: var(--dark); line-height: 1.6; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Header */
header {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(0,0,0,0.06);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: box-shadow var(--transition);
}
header.scrolled { box-shadow: var(--shadow); }
.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 20px;
    max-width: 1200px;
    margin: 0 auto;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}
.logo i { font-size: 2rem; }
nav { display: flex; gap: 30px; align-items: center; }
nav a {
    color: var(--dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.92rem;
    transition: color var(--transition);
    position: relative;
}
nav a:hover { color: var(--primary); }
nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0; right: 0;
    height: 2px;
    background: var(--primary);
    border-radius: 1px;
    transform: scaleX(0);
    transition: transform var(--transition);
}
nav a:hover::after { transform: scaleX(1); }
.lang-switch { display: flex; gap: 5px; margin-left: 20px; }
.lang-btn {
    padding: 5px 14px;
    border: 1.5px solid var(--primary);
    background: var(--white);
    color: var(--primary);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.82rem;
    font-weight: 600;
    transition: all var(--transition);
    letter-spacing: 0.2px;
}
.lang-btn:hover { background: rgba(37,99,235,0.06); }
.lang-btn.active { background: var(--primary); color: var(--white); border-color: var(--primary); }
.mobile-menu { display: none; font-size: 1.5rem; cursor: pointer; color: var(--dark); padding: 10px; }

/* Mobile Navigation */
.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--white);
    z-index: 2000;
    padding: 20px;
    flex-direction: column;
}
.mobile-nav.active { display: flex; }
.mobile-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--light-gray);
    margin-bottom: 20px;
}
.mobile-nav-close {
    font-size: 1.5rem;
    cursor: pointer;
    padding: 10px;
    color: var(--dark);
}
.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 0;
}
.mobile-nav-links a {
    padding: 18px 15px;
    color: var(--dark);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    border-bottom: 1px solid var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.mobile-nav-links a:hover { background: var(--light-gray); }
.mobile-nav-links a i { color: var(--gray); }
.mobile-nav-footer {
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid var(--light-gray);
}
.mobile-nav-footer .lang-switch {
    justify-content: center;
    margin-bottom: 20px;
}
.mobile-nav-footer .btn-primary {
    width: 100%;
    text-align: center;
}

/* Hero Section */
.hero {
    background: linear-gradient(160deg, #1e40af 0%, var(--primary) 40%, #1d4ed8 100%);
    color: var(--white);
    padding: 150px 20px 90px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(ellipse at 20% 50%, rgba(59,130,246,0.3) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 20%, rgba(99,102,241,0.2) 0%, transparent 50%);
    pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero h1 {
    font-size: 3.2rem;
    font-weight: 800;
    margin-bottom: 24px;
    line-height: 1.15;
    letter-spacing: -0.8px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}
.hero p {
    font-size: 1.2rem;
    opacity: 0.88;
    max-width: 680px;
    margin: 0 auto 50px;
    line-height: 1.7;
}
.hero-stats {
    display: flex;
    justify-content: center;
    align-items: stretch;
    gap: 0;
    margin-top: 56px;
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255,255,255,0.12);
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
    overflow: hidden;
}
.stat-item {
    text-align: center;
    flex: 1;
    padding: 28px 20px;
    position: relative;
}
.stat-item + .stat-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 20%;
    height: 60%;
    width: 1px;
    background: rgba(255,255,255,0.15);
}
.stat-number {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--secondary);
    line-height: 1.1;
    margin-bottom: 6px;
}
.stat-label {
    font-size: 0.88rem;
    opacity: 0.85;
    font-weight: 500;
    letter-spacing: 0.2px;
}

/* Search Box */
.search-box {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-lg);
    max-width: 800px;
    margin: -44px auto 48px;
    position: relative;
    z-index: 10;
    border: 1px solid var(--border-color);
}
.search-form { display: flex; gap: 10px; }
.search-form input {
    flex: 1;
    padding: 14px 20px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    transition: all var(--transition);
    background: var(--light-gray);
}
.search-form input:focus { outline: none; border-color: var(--primary); background: var(--white); box-shadow: 0 0 0 4px rgba(37,99,235,0.1); }
.search-form select {
    padding: 14px 20px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    background: var(--light-gray);
    min-width: 180px;
    transition: all var(--transition);
}
.search-form select:focus { outline: none; border-color: var(--primary); background: var(--white); }
.search-form button {
    padding: 14px 36px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}
.search-form button:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(37,99,235,0.3); }
.popular-tags { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.popular-tags > span:first-child { color: var(--gray); font-size: 0.88rem; font-weight: 500; }
.tag {
    padding: 7px 16px;
    background: var(--light-gray);
    border-radius: var(--radius-full);
    font-size: 0.84rem;
    color: var(--dark);
    cursor: pointer;
    transition: all var(--transition);
    border: 1px solid transparent;
    font-weight: 500;
}
.tag:hover { background: var(--primary); color: var(--white); transform: translateY(-1px); box-shadow: 0 4px 8px rgba(37,99,235,0.25); }

/* Trust Section */
.trust-section { background: var(--white); padding: 48px 20px; border-bottom: 1px solid var(--border-color); }
.trust-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 32px 40px;
    flex-wrap: wrap;
    max-width: 1100px;
    margin: 0 auto;
}
.trust-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--dark);
    font-weight: 500;
    font-size: 0.95rem;
}
.trust-item i {
    font-size: 1.2rem;
    color: var(--white);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--success);
    border-radius: 50%;
    flex-shrink: 0;
}

/* Categories */
.categories { padding: 96px 20px; }
.section-title { text-align: center; margin-bottom: 56px; }
.section-title h2 { font-size: 2.2rem; font-weight: 800; color: var(--dark); margin-bottom: 16px; letter-spacing: -0.5px; }
.section-title p { color: var(--gray); font-size: 1.05rem; max-width: 600px; margin: 0 auto; line-height: 1.6; }
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    max-width: 1100px;
    margin: 0 auto;
}
.category-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 28px 20px;
    text-align: center;
    transition: all var(--transition);
    cursor: pointer;
}
.category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}
.category-card i {
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 16px;
    width: 56px;
    height: 56px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(37,99,235,0.08);
    border-radius: var(--radius);
}
.category-card h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 6px; color: var(--dark); }
.category-card p { color: var(--gray); font-size: 0.88rem; }

/* How It Works */
.how-it-works { background: var(--dark); color: var(--white); padding: 96px 20px; }
.how-it-works .section-title h2 { color: var(--white); }
.how-it-works .section-title p { color: rgba(255,255,255,0.6); }
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
}
.step-card { text-align: center; padding: 20px 16px; position: relative; }
.step-card::after {
    content: '';
    position: absolute;
    right: -12px;
    top: 50px;
    width: 24px;
    height: 2px;
    background: rgba(255,255,255,0.15);
}
.step-card:last-child::after { display: none; }
.step-number {
    width: 56px;
    height: 56px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: 700;
    margin: 0 auto 20px;
    box-shadow: 0 4px 16px rgba(37,99,235,0.4);
}
.step-card h3 { font-size: 1.15rem; margin-bottom: 10px; font-weight: 600; }
.step-card p { color: rgba(255,255,255,0.6); font-size: 0.9rem; line-height: 1.6; }

/* Pricing */
.pricing { padding: 96px 20px; background: var(--light-gray); }
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1060px;
    margin: 0 auto;
    align-items: start;
}
.pricing-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px 28px;
    text-align: center;
    box-shadow: var(--shadow);
    position: relative;
    transition: all var(--transition);
    border: 2px solid transparent;
}
.pricing-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.pricing-card.featured {
    border: 2px solid var(--primary);
    transform: scale(1.04);
    box-shadow: var(--shadow-lg);
    z-index: 2;
}
.pricing-card.featured:hover { transform: scale(1.06); }
.badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--secondary);
    color: var(--white);
    padding: 6px 22px;
    border-radius: var(--radius-full);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.3px;
    white-space: nowrap;
}
.pricing-card h3 { font-size: 1.3rem; margin-bottom: 8px; font-weight: 700; color: var(--dark); }
.price { font-size: 2.6rem; font-weight: 800; color: var(--primary); margin: 20px 0; line-height: 1.2; }
.price span { font-size: 1rem; font-weight: 400; color: var(--gray); }
.pricing-features { list-style: none; margin: 28px 0; text-align: left; }
.pricing-features li {
    padding: 10px 0;
    border-bottom: 1px solid var(--light-gray);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: var(--dark);
}
.pricing-features li:last-child { border-bottom: none; }
.pricing-features li i { color: var(--success); font-size: 0.85rem; flex-shrink: 0; }
.pricing-features li.disabled { color: var(--gray); text-decoration: line-through; }
.pricing-features li.disabled i { color: var(--gray); }

/* Buttons */
.btn-primary {
    display: inline-block;
    padding: 14px 36px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(37,99,235,0.3); }
.btn-outline {
    display: inline-block;
    padding: 14px 36px;
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}
.btn-outline:hover { background: var(--primary); color: var(--white); transform: translateY(-1px); }
.btn-white {
    display: inline-block;
    padding: 14px 36px;
    background: var(--white);
    color: var(--primary);
    border: none;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}
.btn-white:hover { background: var(--light-gray); transform: translateY(-1px); box-shadow: var(--shadow-md); }

/* Features */
.features { padding: 96px 20px; }
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    max-width: 1100px;
    margin: 0 auto;
}
.feature-card {
    padding: 32px 28px;
    border-radius: var(--radius);
    background: var(--white);
    border: 1px solid var(--border-color);
    transition: all var(--transition);
}
.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}
.feature-card i {
    font-size: 1.6rem;
    color: var(--primary);
    margin-bottom: 20px;
    display: flex;
    width: 52px;
    height: 52px;
    align-items: center;
    justify-content: center;
    background: rgba(37,99,235,0.08);
    border-radius: var(--radius);
}
.feature-card h3 { font-size: 1.1rem; margin-bottom: 10px; font-weight: 600; }
.feature-card p { color: var(--gray); font-size: 0.93rem; line-height: 1.7; }

/* Testimonials */
.testimonials { padding: 96px 20px; background: var(--light-gray); }
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
    max-width: 1100px;
    margin: 0 auto;
}
.testimonial-card {
    background: var(--white);
    padding: 32px 28px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}
.testimonial-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}
.testimonial-card .stars { color: var(--secondary); margin-bottom: 16px; font-size: 0.9rem; }
.testimonial-card p { font-style: italic; color: var(--dark); margin-bottom: 24px; line-height: 1.7; font-size: 0.95rem; flex: 1; }
.testimonial-author { display: flex; align-items: center; gap: 14px; padding-top: 20px; border-top: 1px solid var(--light-gray); }
.author-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 600;
    font-size: 0.9rem;
    flex-shrink: 0;
}
.author-info h4 { font-size: 0.95rem; margin-bottom: 2px; font-weight: 600; }
.author-info span { color: var(--gray); font-size: 0.82rem; }

/* CTA Section */
.cta-section {
    background: linear-gradient(160deg, #1e40af 0%, var(--primary) 50%, #1d4ed8 100%);
    color: var(--white);
    padding: 96px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(255,255,255,0.08) 0%, transparent 60%);
    pointer-events: none;
}
.cta-section .container { position: relative; z-index: 1; }
.cta-section h2 { font-size: 2.4rem; font-weight: 800; margin-bottom: 20px; line-height: 1.25; letter-spacing: -0.5px; }
.cta-section p { font-size: 1.1rem; opacity: 0.85; max-width: 560px; margin: 0 auto 36px; line-height: 1.7; }
.cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* Footer */
footer { background: #0f172a; color: var(--white); padding: 72px 20px 32px; }
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    max-width: 1140px;
    margin: 0 auto 48px;
}
.footer-col h4 { font-size: 1rem; margin-bottom: 20px; color: var(--white); font-weight: 600; letter-spacing: 0.3px; text-transform: uppercase; font-size: 0.85rem; }
.footer-col a {
    display: block;
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    margin-bottom: 12px;
    transition: all var(--transition);
    font-size: 0.92rem;
}
.footer-col a:hover { color: var(--white); transform: translateX(3px); }
.footer-col p { color: rgba(255,255,255,0.6); margin-bottom: 10px; font-size: 0.92rem; line-height: 1.6; }
.social-links { display: flex; gap: 12px; margin-top: 20px; }
.social-links a {
    width: 38px;
    height: 38px;
    background: rgba(255,255,255,0.08);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.7);
    transition: all var(--transition);
    font-size: 0.9rem;
}
.social-links a:hover { background: var(--primary); color: var(--white); transform: translateY(-2px); }
.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.4);
    font-size: 0.85rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}
.modal.active { display: flex; }
.modal-content {
    background: var(--white);
    border-radius: 16px;
    padding: 40px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}
.modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray);
}
.modal-close:hover { color: var(--dark); }
.modal h2 { font-size: 1.8rem; margin-bottom: 20px; text-align: center; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 8px; font-weight: 500; }
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--light-gray);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.payment-methods { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 20px; }
.payment-option {
    flex: 1;
    min-width: 80px;
    padding: 15px 10px;
    border: 2px solid var(--light-gray);
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
}
.payment-option:hover { border-color: var(--primary); }
.payment-option.selected { border-color: var(--primary); background: rgba(37,99,235,0.1); }
.payment-option i { font-size: 1.5rem; }
.payment-option span { display: block; font-size: 0.8rem; margin-top: 5px; }

/* Search Results */
.search-results { display: none; margin-top: 30px; }
.search-results.active { display: block; }
.results-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.result-card {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: var(--white);
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    margin-bottom: 15px;
    transition: all 0.3s;
}
.result-card:hover { box-shadow: var(--shadow); border-color: var(--primary); }
.result-image {
    width: 120px;
    height: 120px;
    background: var(--light-gray);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.result-image i { font-size: 3rem; color: var(--gray); }
.result-info { flex: 1; }
.result-info h3 { font-size: 1.1rem; margin-bottom: 8px; }
.result-meta { display: flex; gap: 20px; margin: 10px 0; flex-wrap: wrap; }
.result-meta span { display: flex; align-items: center; gap: 5px; font-size: 0.9rem; color: var(--gray); }
.result-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.result-tags span { padding: 4px 10px; background: var(--light-gray); border-radius: 4px; font-size: 0.8rem; }

/* Quick RFQ Floating Button */
.quick-rfq-btn {
    position: fixed;
    right: 30px;
    bottom: 100px;
    background: var(--secondary);
    color: var(--white);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    transition: all 0.3s;
    border: none;
}
.quick-rfq-btn:hover { transform: scale(1.1); background: #d97706; }

/* Live Chat Widget */
.chat-widget {
    position: fixed;
    right: 30px;
    bottom: 30px;
    z-index: 999;
}
.chat-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--success);
    color: var(--white);
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s;
    position: relative;
}
.chat-btn:hover { transform: scale(1.1); }
.chat-btn .badge-dot {
    position: absolute;
    top: 5px;
    right: 5px;
    width: 12px;
    height: 12px;
    background: var(--danger);
    border-radius: 50%;
    border: 2px solid var(--white);
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.2); opacity: 0.8; }
}
.chat-box {
    position: absolute;
    bottom: 70px;
    right: 0;
    width: 350px;
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    display: none;
    overflow: hidden;
}
.chat-box.active { display: block; }
.chat-header {
    background: var(--success);
    color: var(--white);
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.chat-header h4 { font-size: 1rem; }
.chat-status { font-size: 0.8rem; opacity: 0.9; display: flex; align-items: center; gap: 5px; }
.chat-status::before {
    content: '';
    width: 8px;
    height: 8px;
    background: #86efac;
    border-radius: 50%;
}
.chat-body {
    padding: 20px;
    height: 250px;
    overflow-y: auto;
    background: var(--light-gray);
}
.chat-message {
    margin-bottom: 15px;
    display: flex;
    gap: 10px;
}
.chat-message.bot .msg-content {
    background: var(--white);
    border-radius: 12px 12px 12px 0;
    padding: 12px 15px;
    font-size: 0.9rem;
    max-width: 80%;
}
.chat-message.user {
    flex-direction: row-reverse;
}
.chat-message.user .msg-content {
    background: var(--primary);
    color: var(--white);
    border-radius: 12px 12px 0 12px;
    padding: 12px 15px;
    font-size: 0.9rem;
    max-width: 80%;
}
.chat-footer {
    padding: 15px;
    border-top: 1px solid var(--light-gray);
    display: flex;
    gap: 10px;
}
.chat-footer input {
    flex: 1;
    padding: 10px 15px;
    border: 1px solid var(--light-gray);
    border-radius: 20px;
    font-size: 0.9rem;
}
.chat-footer input:focus { outline: none; border-color: var(--primary); }
.chat-footer button {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    border: none;
    cursor: pointer;
}

/* Chat Quick Actions */
.chat-quick-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 5px 0 10px;
}
.chat-action-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--white);
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text-primary);
    transition: all 0.2s;
    text-align: left;
}
.chat-action-btn:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}
.chat-action-btn.chat-action-wa {
    border-color: #25d366;
    color: #25d366;
}
.chat-action-btn.chat-action-wa:hover {
    background: #25d366;
    color: var(--white);
}
.chat-action-btn.chat-action-email {
    border-color: var(--secondary);
    color: var(--secondary);
}
.chat-action-btn.chat-action-email:hover {
    background: var(--secondary);
    color: var(--white);
}
.chat-message.bot .msg-content a {
    color: var(--primary);
    text-decoration: underline;
    font-weight: 600;
}
.chat-message.bot .msg-content a:hover {
    color: var(--primary-dark, #1d4ed8);
}
.chat-msg-sent-notice {
    font-size: 0.7rem;
    color: var(--success);
    text-align: right;
    margin-top: 4px;
    opacity: 0.8;
}

/* Currency Selector */
.currency-selector {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 15px;
}
.currency-selector select {
    padding: 5px 10px;
    border: 1px solid var(--light-gray);
    border-radius: 4px;
    font-size: 0.85rem;
    background: var(--white);
    cursor: pointer;
}

/* FAQ Section */
.faq-section { padding: 96px 20px; background: var(--white); }
.faq-grid {
    max-width: 760px;
    margin: 0 auto;
}
.faq-item {
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    margin-bottom: 12px;
    overflow: hidden;
    transition: all var(--transition);
}
.faq-item:hover { border-color: var(--primary-light); }
.faq-item.active { border-color: var(--primary); box-shadow: 0 2px 12px rgba(37,99,235,0.08); }
.faq-question {
    padding: 20px 24px;
    background: var(--white);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    transition: background var(--transition);
    font-size: 0.98rem;
    gap: 16px;
}
.faq-question:hover { background: var(--light-gray); }
.faq-question i { transition: transform var(--transition); color: var(--primary); font-size: 0.85rem; flex-shrink: 0; }
.faq-item.active .faq-question i { transform: rotate(180deg); }
.faq-answer {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--gray);
    line-height: 1.8;
    font-size: 0.93rem;
}
.faq-item.active .faq-answer {
    padding: 0 24px 20px;
    max-height: 500px;
}

/* Shipping Calculator - REMOVED */

/* Quick Quote Form */
.quick-quote {
    background: linear-gradient(160deg, #1e3a5f 0%, #0f172a 100%);
    padding: 96px 20px;
    position: relative;
    overflow: hidden;
}
.quick-quote::before {
    content: '';
    position: absolute;
    top: -50%; right: -20%;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(37,99,235,0.12) 0%, transparent 70%);
    pointer-events: none;
}
.quote-container {
    max-width: 1060px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    position: relative;
    z-index: 1;
}
.quote-info { color: var(--white); }
.quote-info h2 { font-size: 2.1rem; margin-bottom: 20px; font-weight: 800; line-height: 1.25; letter-spacing: -0.3px; }
.quote-info p { opacity: 0.75; margin-bottom: 28px; line-height: 1.7; font-size: 1rem; }
.quote-benefits { list-style: none; }
.quote-benefits li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
    font-size: 0.95rem;
    opacity: 0.9;
}
.quote-benefits li i { color: var(--success); flex-shrink: 0; }
.quote-form {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 36px;
    box-shadow: var(--shadow-lg);
}
.quote-form h3 { font-size: 1.35rem; margin-bottom: 24px; text-align: center; font-weight: 700; color: var(--dark); }

/* Trust Badges */
.trust-badges {
    padding: 60px 20px;
    background: var(--white);
}
.badges-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 50px;
    flex-wrap: wrap;
    max-width: 1000px;
    margin: 0 auto;
}
.badge-item {
    text-align: center;
    opacity: 0.7;
    transition: opacity 0.3s;
}
.badge-item:hover { opacity: 1; }
.badge-item img { height: 50px; margin-bottom: 10px; }
.badge-item i { font-size: 3rem; color: var(--gray); margin-bottom: 10px; }
.badge-item span { display: block; font-size: 0.85rem; color: var(--gray); }

/* Tooltip */
.tooltip {
    position: relative;
    cursor: help;
}
.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--dark);
    color: var(--white);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 100;
}
.tooltip:hover::after { opacity: 1; visibility: visible; }

/* Loading State */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--light-gray);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Success Message */
.success-message {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
    padding: 15px 20px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

/* Country Flags */
.country-select {
    display: flex;
    align-items: center;
    gap: 8px;
}
.country-select img {
    width: 24px;
    height: 16px;
    border-radius: 2px;
}

/* Service Highlights */
.service-highlights {
    background: var(--primary);
    color: var(--white);
    padding: 15px 0;
    overflow: hidden;
}
.highlights-track {
    display: flex;
    gap: 50px;
    animation: scroll 20s linear infinite;
}
.highlight-item {
    display: flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
    font-size: 0.9rem;
}
.highlight-item i { color: var(--secondary); }
@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 180px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--dark);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: var(--shadow);
    z-index: 998;
    transition: all 0.3s;
}
.back-to-top.visible { display: flex; }
.back-to-top:hover { background: var(--primary); transform: translateY(-3px); }

/* Search Autocomplete */
.search-autocomplete {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border: 1px solid var(--light-gray);
    border-top: none;
    border-radius: 0 0 8px 8px;
    max-height: 300px;
    overflow-y: auto;
    display: none;
    z-index: 100;
    box-shadow: var(--shadow);
}
.search-autocomplete.active { display: block; }
.autocomplete-item {
    padding: 12px 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--light-gray);
    transition: background 0.2s;
}
.autocomplete-item:last-child { border-bottom: none; }
.autocomplete-item:hover { background: var(--light-gray); }
.autocomplete-item i { color: var(--primary); }
.autocomplete-item .item-category {
    font-size: 0.8rem;
    color: var(--gray);
    margin-left: auto;
}

/* Quick Contact Bar */
.quick-contact-bar {
    position: fixed;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 998;
    display: flex;
    flex-direction: column;
    gap: 5px;
}
.quick-contact-btn {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.3rem;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
    position: relative;
}
.quick-contact-btn.whatsapp { background: #25d366; border-radius: 0 8px 8px 0; }
.quick-contact-btn.phone { background: var(--primary); border-radius: 0 8px 8px 0; }
.quick-contact-btn.email { background: var(--secondary); border-radius: 0 8px 8px 0; }
.quick-contact-btn:hover { padding-left: 10px; width: 60px; }
.quick-contact-btn .contact-tooltip {
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    background: var(--dark);
    color: var(--white);
    padding: 8px 15px;
    border-radius: 6px;
    font-size: 0.85rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    margin-left: 10px;
}
.quick-contact-btn:hover .contact-tooltip { opacity: 1; visibility: visible; }

/* Time Zone Display */
.timezone-display {
    background: rgba(255,255,255,0.1);
    padding: 8px 15px;
    border-radius: 6px;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 8px;
}
.timezone-display i { color: var(--secondary); }

/* Progress Steps */
.progress-steps {
    display: flex;
    justify-content: center;
    gap: 0;
    margin-bottom: 30px;
}
.progress-step {
    display: flex;
    align-items: center;
}
.progress-step .step-circle {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: var(--light-gray);
    color: var(--gray);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
}
.progress-step.active .step-circle {
    background: var(--primary);
    color: var(--white);
}
.progress-step.completed .step-circle {
    background: var(--success);
    color: var(--white);
}
.progress-step .step-line {
    width: 60px;
    height: 3px;
    background: var(--light-gray);
}
.progress-step.completed .step-line { background: var(--success); }

/* Supplier Comparison */
.comparison-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--dark);
    color: var(--white);
    padding: 15px 20px;
    display: none;
    align-items: center;
    justify-content: space-between;
    z-index: 1000;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.2);
}
.comparison-bar.active { display: flex; }
.comparison-items {
    display: flex;
    gap: 15px;
    align-items: center;
}
.comparison-item {
    background: rgba(255,255,255,0.1);
    padding: 8px 15px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
}
.comparison-item .remove-item {
    cursor: pointer;
    opacity: 0.7;
}
.comparison-item .remove-item:hover { opacity: 1; }

/* Sample Request Badge */
.sample-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--secondary);
    color: var(--white);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(90deg, var(--light-gray) 25%, #e8e8e8 50%, var(--light-gray) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: 4px;
}
@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}
.skeleton-text { height: 16px; margin-bottom: 10px; }
.skeleton-title { height: 24px; width: 60%; margin-bottom: 15px; }
.skeleton-image { height: 120px; width: 120px; border-radius: 8px; }

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 100px;
    right: 20px;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.toast {
    background: var(--white);
    padding: 15px 20px;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 300px;
    animation: slideIn 0.3s ease;
}
@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}
.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--danger); }
.toast.info { border-left: 4px solid var(--primary); }
.toast i { font-size: 1.2rem; }
.toast.success i { color: var(--success); }
.toast.error i { color: var(--danger); }
.toast.info i { color: var(--primary); }
.toast-close {
    margin-left: auto;
    cursor: pointer;
    color: var(--gray);
}

/* Enhanced Result Card */
.result-card {
    position: relative;
}
.result-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}
.result-actions button {
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 6px;
}
.btn-contact-supplier {
    background: var(--primary);
    color: var(--white);
    border: none;
}
.btn-contact-supplier:hover { background: var(--primary-dark); }
.btn-add-compare {
    background: var(--white);
    color: var(--primary);
    border: 1px solid var(--primary);
}
.btn-add-compare:hover { background: var(--primary); color: var(--white); }
.btn-request-sample {
    background: var(--secondary);
    color: var(--white);
    border: none;
}
.btn-request-sample:hover { background: #d97706; }

/* Verified Badge */
.verified-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Rating Stars Interactive */
.rating-display {
    display: flex;
    align-items: center;
    gap: 5px;
}
.rating-display .stars { color: var(--secondary); }
.rating-display .rating-count {
    color: var(--gray);
    font-size: 0.85rem;
}

/* Improved Form Focus */
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Cookie Consent */
.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--dark);
    color: var(--white);
    padding: 20px;
    display: none;
    align-items: center;
    justify-content: center;
    gap: 20px;
    z-index: 2000;
    flex-wrap: wrap;
}
.cookie-consent.active { display: flex; }
.cookie-consent p { margin: 0; font-size: 0.9rem; }
.cookie-consent a { color: var(--secondary); }
.cookie-consent button {
    padding: 10px 25px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
}
.cookie-accept {
    background: var(--primary);
    color: var(--white);
    border: none;
}
.cookie-decline {
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255,255,255,0.3);
}

/* Scroll Reveal Animations */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* Responsive - Tablet */
@media (max-width: 992px) {
    .header-content { padding: 12px 16px; }
    nav a { font-size: 0.88rem; }
    nav { gap: 18px; }
    .hero h1 { font-size: 2.6rem; }
    .hero-stats { max-width: 580px; }
    .stat-number { font-size: 2rem; }
    .pricing-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .pricing-card { padding: 32px 20px; }
    .pricing-card.featured { transform: scale(1.02); }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .category-grid { grid-template-columns: repeat(3, 1fr); }
    .steps-grid { grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .footer-grid { grid-template-columns: 1.5fr 1fr 1fr 1.5fr; gap: 24px; }
}

/* Responsive - Mobile */
@media (max-width: 768px) {
    /* Hero */
    .hero { padding: 130px 16px 64px; }
    .hero h1 { font-size: 1.75rem; line-height: 1.25; letter-spacing: -0.3px; margin-bottom: 16px; }
    .hero p { font-size: 0.95rem; margin-bottom: 0; line-height: 1.6; }
    .hero-stats {
        margin-top: 36px;
        max-width: 100%;
        border-radius: var(--radius);
        flex-direction: row;
    }
    .stat-item { padding: 20px 12px; }
    .stat-number { font-size: 1.5rem; }
    .stat-label { font-size: 0.75rem; }
    .stat-item + .stat-item::before { top: 15%; height: 70%; }
    
    /* Search */
    .search-box { padding: 20px 16px; margin: -28px 12px 32px; border-radius: var(--radius); }
    .search-form { flex-direction: column; gap: 10px; }
    .search-form select { min-width: 100%; }
    .search-form button { width: 100%; justify-content: center; padding: 14px 20px; }
    .popular-tags { justify-content: center; }
    
    /* Nav */
    nav { display: none; }
    .mobile-menu { display: block; }
    
    /* Sections */
    .categories, .features, .faq-section { padding: 64px 16px; }
    .how-it-works, .pricing, .testimonials, .quick-quote { padding: 64px 16px; }
    .section-title { margin-bottom: 36px; }
    .section-title h2 { font-size: 1.55rem; }
    .section-title p { font-size: 0.92rem; }
    
    /* Categories */
    .category-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .category-card { padding: 20px 14px; border-radius: 10px; }
    .category-card i { font-size: 1.5rem; width: 48px; height: 48px; border-radius: 10px; margin-bottom: 12px; }
    .category-card h3 { font-size: 0.92rem; }
    .category-card p { font-size: 0.8rem; }
    
    /* Steps */
    .steps-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .step-card { padding: 16px 12px; }
    .step-number { width: 44px; height: 44px; font-size: 1.1rem; }
    .step-card::after { display: none; }
    .step-card h3 { font-size: 0.95rem; margin-bottom: 6px; }
    .step-card p { font-size: 0.82rem; }
    
    /* Pricing */
    .pricing-grid { grid-template-columns: 1fr; max-width: 420px; }
    .pricing-card { padding: 32px 24px; border-radius: var(--radius); }
    .pricing-card.featured { transform: none; border-width: 2px; }
    .price { font-size: 2rem; }
    
    /* Features */
    .features-grid { grid-template-columns: 1fr; max-width: 480px; margin-left: auto; margin-right: auto; }
    .feature-card { padding: 24px 20px; }
    .feature-card i { width: 44px; height: 44px; font-size: 1.3rem; margin-bottom: 16px; }
    
    /* Testimonials */
    .testimonial-grid { grid-template-columns: 1fr; }
    .testimonial-card { padding: 24px 20px; }
    
    /* Quote / RFQ */
    .quote-container { grid-template-columns: 1fr; gap: 32px; }
    .quote-info { text-align: center; }
    .quote-info h2 { font-size: 1.6rem; }
    .quote-form { padding: 28px 20px; }
    
    /* FAQ */
    .faq-question { padding: 16px 20px; font-size: 0.92rem; }
    .faq-answer { font-size: 0.88rem; }
    
    /* CTA */
    .cta-section { padding: 64px 16px; }
    .cta-section h2 { font-size: 1.6rem; }
    .cta-buttons { flex-direction: column; align-items: center; }
    .cta-buttons .btn-primary,
    .cta-buttons .btn-white { width: 100%; max-width: 320px; text-align: center; }
    
    /* Footer */
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .footer-col { text-align: center; }
    .footer-col:first-child { text-align: center; }
    .footer-col h4 { margin-bottom: 14px; }
    .footer-col p[style*="padding-left"] { padding-left: 0 !important; }
    .social-links { justify-content: center; }
    
    /* Trust */
    .trust-section { padding: 32px 16px; }
    .trust-content { gap: 16px; justify-content: center; }
    .trust-item { font-size: 0.82rem; gap: 8px; }
    .trust-item i { width: 30px; height: 30px; font-size: 0.9rem; }
    
    /* Utility elements */
    .quick-contact-bar { display: none; }
    .back-to-top { bottom: 160px; right: 12px; width: 42px; height: 42px; }
    .comparison-bar { flex-direction: column; gap: 10px; padding: 12px; }
    .comparison-items { flex-wrap: wrap; justify-content: center; gap: 6px; }
    .comparison-item { font-size: 0.78rem; padding: 6px 10px; }
    
    /* Result cards */
    .result-card { flex-direction: column; padding: 16px; }
    .result-image { width: 100%; height: 120px; }
    .result-info h3 { font-size: 0.98rem; }
    .result-meta { gap: 10px; }
    .result-meta span { font-size: 0.78rem; }
    .result-actions { flex-wrap: wrap; gap: 8px; }
    .result-actions button { flex: 1; min-width: calc(50% - 4px); font-size: 0.8rem; padding: 10px 12px; border-radius: 8px; }
    
    /* Chat */
    .chat-widget { right: 12px; bottom: 12px; }
    .chat-btn { width: 52px; height: 52px; font-size: 1.2rem; }
    .chat-box { width: calc(100vw - 24px); right: 0; max-width: 360px; }
    .chat-body { height: 220px; }
    
    /* Floating buttons */
    .quick-rfq-btn { right: 12px; bottom: 76px; width: 52px; height: 52px; font-size: 1.2rem; }
    
    /* Modals */
    .modal-content { padding: 28px 20px; width: 95%; }
    .modal h2 { font-size: 1.3rem; }
    
    /* Service highlights */
    .service-highlights { padding: 10px 0; }
    .highlight-item { font-size: 0.78rem; gap: 6px; }
    
    /* Toast */
    .toast-container { top: 76px; right: 10px; left: 10px; }
    .toast { min-width: auto; width: 100%; font-size: 0.88rem; padding: 12px 14px; border-radius: 10px; }
    
    /* Cookie */
    .cookie-consent { padding: 16px; gap: 12px; }
    .cookie-consent p { font-size: 0.82rem; text-align: center; }
    .cookie-consent button { padding: 10px 20px; font-size: 0.88rem; border-radius: 8px; }
    
    /* Header */
    .currency-selector { display: none; }
    .lang-switch { margin-left: 8px; }
    .logo span { font-size: 1.05rem; }
    .logo i { font-size: 1.4rem; }
}

/* Mobile Bottom Navigation */
.mobile-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
    z-index: 1001;
    padding: 8px 0;
    padding-bottom: calc(8px + env(safe-area-inset-bottom));
}
.mobile-bottom-nav .nav-items {
    display: flex;
    justify-content: space-around;
    align-items: center;
}
.mobile-bottom-nav .nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px 12px;
    color: var(--gray);
    text-decoration: none;
    font-size: 0.7rem;
    transition: all 0.2s;
    border-radius: 8px;
    min-width: 60px;
}
.mobile-bottom-nav .nav-item i {
    font-size: 1.3rem;
    transition: transform 0.2s;
}
.mobile-bottom-nav .nav-item.active,
.mobile-bottom-nav .nav-item:active {
    color: var(--primary);
    background: rgba(37, 99, 235, 0.1);
}
.mobile-bottom-nav .nav-item:active i {
    transform: scale(0.9);
}
.mobile-bottom-nav .nav-item.highlight {
    background: var(--primary);
    color: var(--white);
    border-radius: 12px;
    padding: 10px 16px;
}
.mobile-bottom-nav .nav-item.highlight:active {
    background: var(--primary-dark);
}

/* Mobile UX Enhancements */
@media (max-width: 768px) {
    /* Touch targets */
    button, a, .tag, .category-card, .faq-question { min-height: 44px; }
    
    /* iOS zoom prevention */
    .form-group input, .form-group textarea, .form-group select {
        font-size: 16px !important;
        padding: 14px 16px;
        border-radius: 10px;
    }
    .form-group label { font-size: 0.88rem; margin-bottom: 6px; }
    
    /* Bottom-sheet modals */
    .modal { align-items: flex-end; }
    .modal-content {
        max-height: 85vh;
        margin: 0;
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        position: fixed;
        bottom: 0; left: 0; right: 0;
        width: 100%; max-width: 100%;
        animation: slideUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    @keyframes slideUp {
        from { transform: translateY(100%); }
        to { transform: translateY(0); }
    }
    .modal-close {
        position: sticky; top: 0; right: 0;
        background: var(--white); width: 100%;
        text-align: center; padding: 14px;
        font-size: 0.95rem;
        border-bottom: 1px solid var(--border-color);
    }
    .modal-close::before {
        content: ''; display: block;
        width: 36px; height: 4px;
        background: var(--border-color);
        border-radius: 2px; margin: 0 auto 8px;
    }
    
    /* Bottom nav */
    .mobile-bottom-nav { display: block; }
    body { padding-bottom: 70px; }
    
    /* Adjust floating elements for bottom nav */
    .quick-rfq-btn { bottom: 84px; right: 12px; width: 48px; height: 48px; }
    .chat-widget { bottom: 84px; right: 12px; }
    .chat-btn { width: 48px; height: 48px; }
    .back-to-top { bottom: 148px; right: 12px; width: 40px; height: 40px; }
    .comparison-bar { bottom: 70px; }
    
    /* Horizontal scroll tags */
    .popular-tags {
        overflow-x: auto; flex-wrap: nowrap;
        padding-bottom: 8px;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    .popular-tags::-webkit-scrollbar { display: none; }
    .tag { padding: 8px 16px; font-size: 0.84rem; white-space: nowrap; }
    
    /* Touch feedback */
    .category-card { -webkit-tap-highlight-color: transparent; }
    .category-card:active { transform: scale(0.97); }
    
    /* Full-width pricing buttons */
    .pricing-card .btn-primary,
    .pricing-card .btn-outline {
        width: 100%; padding: 14px; border-radius: 10px; font-size: 0.95rem;
    }
    .pricing-card { margin-bottom: 12px; }
    
    /* Full-screen chat */
    .chat-box {
        position: fixed; top: 0; left: 0; right: 0; bottom: 0;
        width: 100%; max-width: 100%; border-radius: 0; z-index: 2001;
    }
    .chat-body { height: calc(100vh - 170px); }
    .chat-footer input { font-size: 16px; padding: 12px 16px; }
    
    /* Toast */
    .toast-container { top: auto; bottom: 88px; left: 12px; right: 12px; }
    
    /* Cookie consent */
    .cookie-consent {
        flex-direction: column; text-align: center;
        padding: 16px; padding-bottom: calc(16px + env(safe-area-inset-bottom));
    }
    .cookie-consent button { width: 100%; max-width: 200px; }
    
    /* Trust section: 2x2 grid */
    .trust-content {
        display: grid; grid-template-columns: 1fr 1fr;
        gap: 12px; text-align: center;
    }
    .trust-item {
        flex-direction: column; gap: 8px; padding: 12px 8px;
        background: var(--light-gray); border-radius: 10px;
    }
    
    /* Full-width buttons */
    .btn-primary, .btn-outline, .btn-white {
        padding: 14px 24px; border-radius: 10px; font-size: 0.95rem;
        width: 100%; text-align: center;
    }
    
    /* Mobile nav slide-in */
    .mobile-nav { padding: 16px; }
    .mobile-nav-links a {
        padding: 16px; border-radius: 10px; margin-bottom: 6px;
        border: none; background: var(--light-gray);
    }
    .mobile-nav-links a:active { background: var(--primary); color: var(--white); }
    .mobile-nav-links a:active i { color: var(--white); }
    
    /* Quote section */
    .quote-benefits { text-align: left; }
    .quote-benefits li { font-size: 0.88rem; }
    
    /* Footer */
    footer { padding: 48px 16px 100px; }
    .footer-bottom { font-size: 0.8rem; }
    
    /* Header */
    header { padding: 0; }
    .header-content { padding: 10px 16px; }
}

/* Responsive - Small Mobile */
@media (max-width: 480px) {
    .hero h1 { font-size: 1.5rem; }
    .hero-stats { border-radius: 10px; }
    .stat-item { padding: 16px 8px; }
    .stat-number { font-size: 1.3rem; }
    .stat-label { font-size: 0.7rem; }
    
    .category-grid { gap: 10px; }
    .category-card { padding: 16px 10px; }
    .category-card i { width: 40px; height: 40px; font-size: 1.3rem; margin-bottom: 10px; }
    .category-card h3 { font-size: 0.85rem; }
    .category-card p { font-size: 0.75rem; }
    
    .steps-grid { grid-template-columns: 1fr; gap: 12px; }
    .step-card { padding: 14px 10px; }
    
    .footer-grid { grid-template-columns: 1fr; }
    .footer-col { text-align: center; }
    .social-links { justify-content: center; }
    
    .result-actions button { min-width: 100%; }
    .comparison-bar button { width: 100%; }
    
    .quote-info h2 { font-size: 1.4rem; }
    .cta-section h2 { font-size: 1.4rem; }
}

/* ===== Pain Points Section ===== */
.pain-points-section {
    padding: 96px 20px;
    background: var(--white);
}
.pain-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}
.pain-card {
    background: var(--light-gray);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    border: 1px solid var(--border-color);
    transition: all var(--transition);
}
.pain-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}
.pain-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius);
    background: rgba(239, 68, 68, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
}
.pain-icon i {
    font-size: 1.4rem;
    color: var(--danger);
}
.pain-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
}
.pain-card > p {
    color: var(--gray);
    font-size: 0.92rem;
    line-height: 1.6;
    margin-bottom: 16px;
}
.pain-solution {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: rgba(16, 185, 129, 0.08);
    border-radius: 8px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--success);
}
.pain-solution i { flex-shrink: 0; }

@media (max-width: 768px) {
    .pain-points-section { padding: 64px 16px; }
    .pain-grid { grid-template-columns: 1fr; gap: 16px; }
    .pain-card { padding: 24px 20px; }
    .pain-card h3 { font-size: 1rem; }
    .pain-card > p { font-size: 0.88rem; }
    .pain-solution { font-size: 0.82rem; padding: 8px 12px; }
}

/* ===== Platform Introduction Section ===== */
.platform-intro {
    padding: 96px 0;
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    border-top: 1px solid var(--border-color);
}
.platform-about {
    max-width: 900px;
    margin: 0 auto 48px;
}
.about-text p {
    font-size: 1rem;
    line-height: 1.85;
    color: var(--gray);
    text-align: center;
}

.platform-stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 900px;
    margin: 0 auto 56px;
    padding: 36px 32px;
    background: linear-gradient(135deg, var(--primary) 0%, #1e40af 100%);
    border-radius: var(--radius-lg);
    text-align: center;
}
.platform-stat-num {
    font-size: 1.8rem;
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
}
.platform-stat-label {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.75);
    margin-top: 6px;
    font-weight: 500;
}

.platform-trust-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}
.platform-trust-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    transition: all var(--transition);
}
.platform-trust-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}
.platform-trust-card i {
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 16px;
    display: block;
}
.platform-trust-card h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
}
.platform-trust-card p {
    font-size: 0.92rem;
    color: var(--gray);
    line-height: 1.7;
}

/* Footer enhanced styles */
.footer-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 14px 0;
}
.footer-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.78rem;
    color: rgba(255,255,255,0.7);
    background: rgba(255,255,255,0.08);
    padding: 5px 12px;
    border-radius: 6px;
    border: 1px solid rgba(255,255,255,0.1);
}
.footer-badge i { color: var(--success); font-size: 0.72rem; }

.footer-contact-region {
    margin-bottom: 14px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.footer-contact-region:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}
.region-label {
    margin-bottom: 4px;
    font-size: 0.9rem;
}
.region-label strong { color: rgba(255,255,255,0.9); }
.region-detail {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.55);
    padding-left: 22px;
    line-height: 1.7;
}
.region-detail a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    transition: color 0.2s;
}
.region-detail a:hover { color: #fff; }
.region-detail i { width: 16px; text-align: center; margin-right: 4px; }

.footer-bottom-links {
    display: flex;
    gap: 8px;
    align-items: center;
}
.footer-bottom-links a {
    color: rgba(255,255,255,0.5);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.2s;
}
.footer-bottom-links a:hover { color: rgba(255,255,255,0.9); }
.footer-bottom-links span { color: rgba(255,255,255,0.2); font-size: 0.75rem; }

@media (max-width: 768px) {
    .platform-intro { padding: 64px 16px; }
    .platform-stats-bar { grid-template-columns: repeat(2, 1fr); gap: 20px; padding: 28px 20px; }
    .platform-stat-num { font-size: 1.4rem; }
    .platform-stat-label { font-size: 0.76rem; }
    .platform-trust-grid { grid-template-columns: 1fr; gap: 16px; }
    .platform-trust-card { padding: 24px 20px; }
    .about-text p { font-size: 0.92rem; text-align: left; }
    
    .footer-badges { justify-content: center; }
    .footer-contact-region { text-align: left; }
    .region-detail { padding-left: 22px; }
    .footer-bottom-links { justify-content: center; flex-wrap: wrap; }
}

@media (max-width: 480px) {
    .platform-stats-bar { grid-template-columns: repeat(2, 1fr); gap: 16px; padding: 24px 16px; }
    .platform-stat-num { font-size: 1.2rem; }
}

/* ===== Advantage / Comparison Section ===== */
.advantage-section {
    padding: 96px 0;
    background: linear-gradient(160deg, #f0f4ff 0%, #e8f0fe 50%, #f5f3ff 100%);
}
.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 48px;
}
.compare-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    box-shadow: var(--shadow);
    position: relative;
    transition: all var(--transition);
}
.compare-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.compare-bad {
    border: 2px solid #fecaca;
}
.compare-good {
    border: 2px solid var(--success);
    background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 100%);
}
.compare-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--success);
    color: white;
    padding: 5px 20px;
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    white-space: nowrap;
}
.compare-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}
.compare-header i {
    font-size: 2rem;
    color: var(--gray);
}
.compare-good .compare-header i {
    color: var(--success);
}
.compare-header h3 {
    font-size: 1.3rem;
    color: var(--dark);
}
.compare-list {
    list-style: none;
    padding: 0;
}
.compare-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 9px 0;
    font-size: 0.93rem;
    line-height: 1.55;
    color: var(--dark);
}
.compare-bad .compare-list li i {
    color: var(--danger);
    margin-top: 3px;
    flex-shrink: 0;
}
.compare-good .compare-list li i {
    color: var(--success);
    margin-top: 3px;
    flex-shrink: 0;
}

/* ===== WhatsApp & Email Direct Buttons ===== */
.whatsapp-direct {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}
.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #25d366;
    color: white;
    padding: 12px 22px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition);
}
.btn-whatsapp:hover {
    background: #128c7e;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37,211,102,0.4);
}
.btn-whatsapp i { font-size: 1.3rem; }

.btn-email-direct {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.1);
    color: white;
    padding: 13px 28px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    border: 1px solid rgba(255,255,255,0.2);
    transition: all var(--transition);
}
.btn-email-direct:hover {
    background: rgba(255,255,255,0.25);
    transform: translateY(-2px);
}

/* ===== Responsive: Comparison Section ===== */
@media (max-width: 768px) {
    .advantage-section { padding: 64px 16px; }
    .comparison-grid { grid-template-columns: 1fr; gap: 16px; }
    .compare-card { padding: 24px 20px; border-radius: var(--radius); }
    .compare-header h3 { font-size: 1.05rem; }
    .compare-list li { font-size: 0.88rem; }
    
    .whatsapp-direct { flex-direction: column; align-items: stretch; }
    .btn-whatsapp, .btn-email-direct {
        display: flex; justify-content: center;
        width: 100%; text-align: center;
    }
}

@media (max-width: 480px) {
    .compare-card { padding: 20px 16px; }
    .compare-header { flex-direction: column; text-align: center; gap: 6px; }
    .compare-list li { font-size: 0.84rem; padding: 7px 0; }
}