:root {
    --primary: #1a56a8;
    --primary-dark: #0f3a7a;
    --primary-light: #3a7bd5;
    --primary-subtle: #eef3fb;
    --accent: #c9a84c;
    --accent-light: #f5e8b0;
    --dark: #0c1b33;
    --dark-2: #132743;
    --text: #2d3748;
    --text-light: #4a5568;
    --text-muted: #8a9bb5;
    --bg: #ffffff;
    --bg-alt: #f7fafc;
    --bg-card: #ffffff;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
    font-family: var(--font-sans);
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.section { padding: 100px 0; position: relative; }

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

.section-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--primary);
    background: var(--primary-subtle);
    padding: 6px 18px;
    border-radius: 50px;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.section-header p {
    font-size: 16px;
    color: var(--text-light);
    max-width: 520px;
    margin: 0 auto;
}

.animate {
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.animate.fade-up {
    transform: translateY(40px);
}

.animate.fade-down {
    transform: translateY(-40px);
}

.animate.fade-right {
    transform: translateX(-40px);
}

.animate.fade-left {
    transform: translateX(40px);
}

.animate.show {
    opacity: 1;
    transform: translate(0);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(26, 86, 168, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(26, 86, 168, 0.45);
}

.btn-outline {
    background: transparent;
    color: #fff;
    border-color: rgba(255,255,255,0.4);
}

.btn-outline:hover {
    border-color: #fff;
    background: rgba(255,255,255,0.1);
    transform: translateY(-2px);
}

.cursor-follower {
    display: none;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all var(--transition);
}

.header.scrolled {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 30px rgba(0,0,0,0.08);
    padding: 10px 0;
}

.header .logo-title,
.header .nav-link,
.header .logo-sub,
.header .menu-toggle span {
    transition: color 0.3s ease, background 0.3s ease;
}

.header:not(.scrolled) .logo-title {
    color: #fff;
}

.header:not(.scrolled) .logo-sub {
    color: rgba(255,255,255,0.5);
}

.header:not(.scrolled) .nav-link {
    color: rgba(255,255,255,0.75);
}

.header:not(.scrolled) .nav-link:hover {
    color: #fff;
    background: rgba(255,255,255,0.12);
}

.header:not(.scrolled) .menu-toggle span {
    background: #fff;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-subtle);
    border-radius: 10px;
    transition: all var(--transition);
}

.header.scrolled .logo-icon {
    width: 36px;
    height: 36px;
}

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

.logo-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--dark);
    line-height: 1.3;
    transition: color var(--transition);
}

.header.scrolled .logo-title {
    font-size: 16px;
}

.logo-sub {
    font-size: 10px;
    color: var(--text-muted);
    letter-spacing: 1px;
    line-height: 1.2;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-light);
    font-size: 14px;
    font-weight: 500;
    padding: 8px 18px;
    border-radius: 50px;
    transition: all var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--primary);
    background: var(--primary-subtle);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 100;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--dark);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, var(--dark) 0%, #0f2b4f 30%, var(--primary-dark) 60%, #0a1e3a 100%);
    overflow: hidden;
    padding: 120px 0 100px;
}

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

.hero-particle {
    position: absolute;
    width: 6px;
    height: 6px;
    background: rgba(255,255,255,0.15);
    border-radius: 50%;
    animation: float-particle 6s ease-in-out infinite;
}

@keyframes float-particle {
    0%, 100% { transform: translateY(0) scale(1); opacity: 0.3; }
    50% { transform: translateY(-30px) scale(1.5); opacity: 0.8; }
}

.hero-glow {
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(26,86,168,0.15) 0%, transparent 70%);
    animation: glow-pulse 8s ease-in-out infinite;
    pointer-events: none;
}

@keyframes glow-pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 1; }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 2px;
    color: var(--accent-light);
    background: rgba(201, 168, 76, 0.12);
    border: 1px solid rgba(201, 168, 76, 0.2);
    padding: 8px 24px;
    border-radius: 50px;
    margin-bottom: 28px;
    backdrop-filter: blur(10px);
}

.hero-content h1 {
    font-size: 56px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 20px;
    letter-spacing: 4px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 18px;
    color: rgba(255,255,255,0.7);
    max-width: 600px;
    margin: 0 auto 36px;
    line-height: 1.7;
}

.hero-tags {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 36px;
}

.hero-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 500;
    color: #fff;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.25);
    padding: 6px 20px;
    border-radius: 50px;
    backdrop-filter: blur(10px);
    letter-spacing: 1px;
}

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

.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 120px;
    z-index: 2;
}

.hero-wave svg {
    width: 100%;
    height: 100%;
    display: block;
}

.business {
    background: linear-gradient(135deg, var(--bg) 0%, var(--bg-alt) 100%);
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.business-main {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: 32px 28px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--primary);
    position: relative;
    transition: all var(--transition);
}

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

.business-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--primary);
    background: var(--primary-subtle);
    padding: 4px 14px;
    border-radius: 50px;
    margin-bottom: 16px;
}

.business-main h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
}

.business-main p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.8;
}

.business-sub {
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    padding: 22px 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,0,0,0.04);
    transition: all var(--transition);
}

.business-sub:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.business-sub h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 6px;
}

.business-sub p {
    font-size: 13px;
    color: var(--text-light);
}

.business-classify {
    text-align: center;
    padding: 20px 28px;
    background: var(--primary-subtle);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(26,86,168,0.1);
}

.classify-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
}

.classify-value {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary);
    margin: 0 8px;
}

.classify-desc {
    font-size: 13px;
    color: var(--text-light);
}

.about {
    background: var(--bg);
    position: relative;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text p {
    font-size: 15px;
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.9;
    text-indent: 2em;
}

.about-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.04);
    transition: all var(--transition);
}

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

.about-card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px 28px;
    background: var(--primary-subtle);
    color: var(--primary);
    font-weight: 600;
    font-size: 15px;
    border-bottom: 1px solid rgba(26,86,168,0.08);
}

.about-info-list {
    list-style: none;
    padding: 8px 0;
}

.about-info-list li {
    display: flex;
    align-items: baseline;
    gap: 12px;
    padding: 14px 28px;
    border-bottom: 1px solid rgba(0,0,0,0.04);
    transition: background var(--transition);
}

.about-info-list li:last-child { border-bottom: none; }

.about-info-list li:hover { background: rgba(26,86,168,0.02); }

.about-info-list .label {
    font-size: 13px;
    color: var(--text-muted);
    flex-shrink: 0;
    min-width: 120px;
    font-weight: 500;
}

.about-info-list .value {
    font-size: 14px;
    color: var(--text);
    font-weight: 500;
}

.about-info-list .value.code {
    font-family: "SF Mono", "Monaco", "Consolas", monospace;
    font-size: 13px;
    color: var(--primary);
    letter-spacing: 0.5px;
}

.services {
    background: var(--bg-alt);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(26,86,168,0.1), transparent);
}

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

.service-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: 36px 28px 28px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,0,0,0.04);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

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

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

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.service-icon-wrap {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-subtle);
    border-radius: 14px;
    color: var(--primary);
    margin-bottom: 20px;
    transition: all var(--transition);
}

.service-card:hover .service-icon-wrap {
    background: var(--primary);
    color: #fff;
    transform: scale(1.05);
}

.service-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
}

.service-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.8;
}

.service-card-footer {
    font-size: 13px;
    color: var(--primary);
    font-weight: 600;
    margin-top: 20px;
    opacity: 0;
    transform: translateY(8px);
    transition: all var(--transition);
}

.service-card:hover .service-card-footer {
    opacity: 1;
    transform: translateY(0);
}

.advantage {
    background: var(--bg);
    position: relative;
}

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

.advantage-card {
    background: var(--bg-alt);
    border-radius: var(--radius-md);
    padding: 36px 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all var(--transition);
    border: 1px solid rgba(0,0,0,0.03);
}

.advantage-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    opacity: 0;
    transition: opacity var(--transition);
    z-index: 0;
}

.advantage-card:hover::after {
    opacity: 1;
}

.advantage-number {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 42px;
    font-weight: 800;
    color: rgba(26,86,168,0.06);
    line-height: 1;
    transition: all var(--transition);
    z-index: 1;
}

.advantage-card:hover .advantage-number {
    color: rgba(255,255,255,0.08);
}

.advantage-icon {
    position: relative;
    z-index: 1;
    color: var(--primary);
    margin-bottom: 16px;
    transition: color var(--transition);
}

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

.advantage-card h3 {
    font-size: 19px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
    position: relative;
    z-index: 1;
    transition: color var(--transition);
}

.advantage-card:hover h3 {
    color: #fff;
}

.advantage-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
    position: relative;
    z-index: 1;
    transition: color var(--transition);
}

.advantage-card:hover p {
    color: rgba(255,255,255,0.8);
}

.contact {
    background: var(--bg-alt);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(26,86,168,0.1), transparent);
}

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

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px 24px;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,0,0,0.03);
    transition: all var(--transition);
}

.contact-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.contact-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-subtle);
    border-radius: 12px;
    color: var(--primary);
}

.contact-detail h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-detail p {
    font-size: 15px;
    color: var(--text);
    font-weight: 500;
}

.contact-detail a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition);
}

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

.map-container {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(0,0,0,0.04);
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.map-container::before {
    content: '';
    position: absolute;
    inset: -50%;
    background: radial-gradient(circle at 50% 50%, rgba(26,86,168,0.03) 0%, transparent 60%);
    animation: map-rotate 20s linear infinite;
}

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

.map-pin {
    position: relative;
    z-index: 1;
    margin-bottom: 8px;
    animation: pin-bounce 2s ease-in-out infinite;
}

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

.map-glow {
    position: absolute;
    width: 60px;
    height: 60px;
    background: radial-gradient(circle, rgba(26,86,168,0.2) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
    animation: pin-glow 2s ease-in-out infinite;
}

@keyframes pin-glow {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.5); opacity: 1; }
}

.map-title {
    position: relative;
    z-index: 1;
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.map-address {
    position: relative;
    z-index: 1;
    font-size: 15px;
    color: var(--text);
    font-weight: 500;
    margin-bottom: 6px;
}

.map-tip {
    position: relative;
    z-index: 1;
    font-size: 13px;
    color: var(--text-muted);
}

.map-divider {
    width: 40px;
    height: 2px;
    background: var(--primary);
    margin: 20px auto;
    border-radius: 2px;
    position: relative;
    z-index: 1;
}

.map-cta {
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(26,86,168,0.3);
    transition: all var(--transition);
}

.map-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(26,86,168,0.4);
}

.footer {
    background: var(--dark);
    color: rgba(255,255,255,0.7);
    position: relative;
}

.footer-wave {
    position: absolute;
    top: -1px;
    left: 0;
    right: 0;
    height: 80px;
    overflow: hidden;
}

.footer-wave svg {
    width: 100%;
    height: 100%;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding: 70px 0 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.footer-logo span {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
}

.footer-brand p {
    font-size: 12px;
    color: rgba(255,255,255,0.4);
    margin-bottom: 4px;
}

.footer-credit {
    font-size: 12px;
    color: rgba(255,255,255,0.3);
    margin-top: 8px;
}

.footer-nav h4,
.footer-contact h4 {
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 18px;
    letter-spacing: 0.5px;
}

.footer-nav ul,
.footer-contact ul {
    list-style: none;
}

.footer-nav li,
.footer-contact li {
    margin-bottom: 10px;
    font-size: 13px;
    line-height: 1.6;
}

.footer-nav a {
    color: rgba(255,255,255,0.5);
    text-decoration: none;
    transition: color var(--transition);
}

.footer-nav a:hover {
    color: var(--accent);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 12px;
    color: rgba(255,255,255,0.3);
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(26,86,168,0.35);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(26,86,168,0.5);
}

@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .business-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .advantage-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 70px 0;
    }

    .section-header h2 {
        font-size: 28px;
    }

    .nav-list {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--bg);
        flex-direction: column;
        padding: 80px 30px 30px;
        box-shadow: -10px 0 40px rgba(0,0,0,0.1);
        transition: right 0.4s cubic-bezier(0.22, 1, 0.36, 1);
        gap: 4px;
    }

    .nav-list.active {
        right: 0;
    }

    .nav-link {
        font-size: 16px;
        padding: 12px 18px;
        display: block;
        border-radius: var(--radius-sm);
    }

    .menu-toggle {
        display: flex;
    }

    .menu-toggle.active span { background: var(--primary); }

    .hero {
        min-height: 90vh;
        padding: 100px 0 80px;
    }

    .hero-content h1 {
        font-size: 34px;
        letter-spacing: 2px;
    }

    .hero-content p {
        font-size: 16px;
    }

    .hero-actions {
        flex-direction: column;
        gap: 12px;
    }

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

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

    .business-grid {
        grid-template-columns: 1fr;
    }

    .advantage-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .about-info-list li {
        flex-direction: column;
        gap: 4px;
        padding: 12px 20px;
    }

    .about-info-list .label {
        font-size: 12px;
    }

    .map-container {
        padding: 30px 20px;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 42px;
        height: 42px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .section-header h2 {
        font-size: 24px;
    }

    .hero-content h1 {
        font-size: 28px;
    }

    .logo-title {
        font-size: 14px;
    }

    .header.scrolled .logo-title {
        font-size: 13px;
    }

    .logo-sub {
        display: none;
    }
}