:root {
    --primary-color: #165DFF;
    --secondary-color: #FF7D00;
    --text-color: #333333;
    --text-secondary: #666666;
    --bg-color: #F5F7FA;
}

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

body {
    font-family: 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

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

.header {
    background: #ffffff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    padding: 12px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo-icon {
    width: 50px;
    height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 12px;
}

.logo-icon svg {
    width: 100%;
    height: 100%;
}

.logo-title {
    display: block;
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-color);
}

.logo-subtitle {
    display: block;
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 2px;
}

.nav ul {
    display: flex;
    list-style: none;
    align-items: center;
}

.nav li {
    margin-left: 28px;
    position: relative;
}

.nav a {
    text-decoration: none;
    color: var(--text-color);
    font-size: 14px;
    transition: color 0.3s;
    padding: 8px 0;
}

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

.dropdown {
    position: relative;
}

.dropdown:hover > .dropdown-menu {
    display: block;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu {
    display: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    position: absolute;
    top: calc(100% + 5px);
    left: 0;
    background: white;
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    border-radius: 10px;
    padding: 12px 0;
    min-width: 220px;
    z-index: 1001;
    transition: all 0.3s ease;
    border: 1px solid rgba(0,0,0,0.05);
}

.dropdown-menu li {
    margin: 0;
    padding: 0 22px;
}

.dropdown-menu li:hover {
    background: rgba(22, 93, 255, 0.05);
}

.dropdown-menu a {
    display: block;
    padding: 11px 0;
    font-size: 13px;
    color: #333;
    transition: color 0.2s;
}

.dropdown-menu a:hover {
    color: var(--primary-color);
}

.header-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.login-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 20px;
    background: linear-gradient(135deg, #165DFF, #1890FF);
    color: white;
    border: none;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s;
}

.login-btn:hover {
    background: linear-gradient(135deg, #0F4CD0, #096DD9);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(22, 93, 255, 0.3);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--primary-color);
    cursor: pointer;
    padding: 8px;
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    z-index: 999;
    padding: 20px 0;
}

.mobile-nav.active {
    display: block;
}

.mobile-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-nav li {
    margin: 0;
    border-bottom: 1px solid #f0f0f0;
}

.mobile-nav a {
    display: block;
    padding: 15px 25px;
    color: var(--text-color);
    text-decoration: none;
    font-size: 15px;
    transition: background 0.2s;
}

.mobile-nav a:hover {
    background: rgba(22, 93, 255, 0.05);
    color: var(--primary-color);
}

.mobile-login-btn {
    background: linear-gradient(135deg, #165DFF, #1890FF) !important;
    color: white !important;
    text-align: center;
    font-weight: 500;
}

.mobile-login-btn:hover {
    background: linear-gradient(135deg, #0F4CD0, #096DD9) !important;
    color: white !important;
}

.mobile-dropdown-menu {
    display: none;
    background: #f8f9fa;
}

.mobile-dropdown-menu li {
    border-bottom: none;
}

.mobile-dropdown-menu a {
    padding-left: 45px;
    font-size: 14px;
    color: var(--text-secondary);
}

.mobile-dropdown.active .mobile-dropdown-menu {
    display: block;
}

.btn {
    padding: 10px 24px;
    text-decoration: none;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0D47A1 100%);
    color: white;
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(22, 93, 255, 0.4);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
}

.btn-secondary-outline {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary-outline:hover {
    background: white;
    color: var(--primary-color);
}

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

.hero {
    background: linear-gradient(135deg, #0F4CD0 0%, #165DFF 50%, #1890FF 100%);
    padding: 180px 0 160px;
    color: white;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(22, 93, 255, 0.65);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-content h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 25px;
    line-height: 1.3;
}

.hero-subtitle {
    font-size: 18px;
    color: rgba(255,255,255,0.9);
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    justify-content: center;
}

.hero-actions .btn-primary {
    padding: 16px 45px;
    font-size: 16px;
    font-weight: 600;
}

.btn-primary {
    background: white;
    color: #165DFF;
    border: none;
    border-radius: 6px;
    padding: 14px 35px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
}

.btn-primary:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

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

.section-title {
    font-size: 30px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 15px;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 15px;
}

.about-brief {
    padding: 80px 0;
    background: white;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 50px;
    align-items: flex-start;
}

.about-text h2 {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.about-text p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 15px;
}

.about-text strong {
    color: var(--primary-color);
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    background: var(--bg-color);
    border-radius: 8px;
}

.highlight-item i {
    color: #27AE60;
    font-size: 18px;
}

.highlight-item span {
    font-size: 14px;
    color: var(--text-color);
}

.employment-model {
    padding: 80px 0;
    background: var(--bg-color);
}

.model-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.model-card {
    background: white;
    padding: 35px;
    border-radius: 12px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.06);
    position: relative;
    overflow: hidden;
}

.model-card.version-1 {
    border-top: 4px solid #95A5A6;
}

.model-card.version-2 {
    border-top: 4px solid #F39C12;
}

.model-card.version-3 {
    border-top: 4px solid var(--primary-color);
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(22, 93, 255, 0.15);
}

.model-badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--primary-color);
    color: white;
    font-size: 12px;
    font-weight: 500;
    border-radius: 20px;
    margin-bottom: 15px;
}

.model-card h3 {
    font-size: 18px;
    color: var(--text-color);
    margin-bottom: 20px;
}

.model-card ul {
    list-style: none;
    margin-bottom: 20px;
}

.model-card li {
    padding: 10px 0;
    border-bottom: 1px solid #f0f0f0;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-secondary);
}

.model-card li i {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 12px;
}

.model-card li .fa-check {
    background: #27AE60;
    color: white;
}

.model-card li .fa-times {
    background: #E74C3C;
    color: white;
}

.model-card li .fa-minus {
    background: #F39C12;
    color: white;
}

.model-cost {
    font-size: 14px;
    color: var(--text-secondary);
}

.model-cost span {
    color: #E74C3C;
}

.advantages {
    padding: 80px 0;
    background: white;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.advantage-card {
    background: var(--bg-color);
    padding: 30px;
    border-radius: 12px;
    transition: all 0.3s;
}

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

.advantage-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #0D47A1 100%);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
}

.advantage-icon i {
    font-size: 28px;
    color: white;
}

.advantage-card h3 {
    font-size: 18px;
    color: var(--text-color);
    margin-bottom: 15px;
}

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

.calculator {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, #0D47A1 100%);
}

.calculator .section-title,
.calculator .section-desc {
    color: white;
}

.calculator-content {
    background: white;
    border-radius: 16px;
    padding: 40px;
}

.cost-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 30px;
    overflow-x: auto;
}

.cost-table th,
.cost-table td {
    padding: 14px 12px;
    text-align: center;
    border-bottom: 1px solid #eee;
    font-size: 13px;
}

.cost-table th {
    background: var(--bg-color);
    font-weight: 600;
    color: var(--text-color);
}

.cost-table tbody tr:hover {
    background: var(--bg-color);
}

.cost-table .highlight {
    background: rgba(22, 93, 255, 0.08);
}

.cost-table .highlight td:first-child {
    color: var(--primary-color);
}

.calculator-summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px;
    background: var(--bg-color);
    border-radius: 10px;
    flex-wrap: wrap;
    gap: 20px;
}

.calculator-summary p {
    font-size: 15px;
    color: var(--text-color);
}

.save-amount,
.save-percentage {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 18px;
}

.solutions {
    padding: 80px 0;
    background: white;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.solution-card {
    background: var(--bg-color);
    padding: 30px;
    border-radius: 12px;
    transition: all 0.3s;
    position: relative;
}

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

.solution-icon {
    width: 55px;
    height: 55px;
    background: linear-gradient(135deg, var(--secondary-color) 0%, #E67E22 100%);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
}

.solution-icon i {
    font-size: 26px;
    color: white;
}

.solution-card h3 {
    font-size: 18px;
    color: var(--text-color);
    margin-bottom: 12px;
}

.solution-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 15px;
}

.solution-link {
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 5px;
}

.solution-link:hover {
    text-decoration: underline;
}

.process {
    padding: 80px 0;
    background: var(--bg-color);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.step-card {
    background: white;
    padding: 35px 25px;
    border-radius: 12px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.06);
    text-align: center;
    position: relative;
}

.step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 30px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 14px;
    font-weight: 700;
}

.step-icon {
    width: 65px;
    height: 65px;
    background: rgba(22, 93, 255, 0.1);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 20px auto 15px;
}

.step-icon i {
    font-size: 30px;
    color: var(--primary-color);
}

.step-card h3 {
    font-size: 16px;
    color: var(--text-color);
    margin-bottom: 12px;
}

.step-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.certificates {
    padding: 80px 0;
    background: white;
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.cert-card {
    background: var(--bg-color);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s;
}

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

.cert-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #0D47A1 100%);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 20px;
}

.cert-icon i {
    font-size: 32px;
    color: white;
}

.cert-card h3 {
    font-size: 16px;
    color: var(--text-color);
    margin-bottom: 8px;
}

.cert-card p {
    font-size: 13px;
    color: var(--text-secondary);
}

.faq {
    padding: 80px 0;
    background: var(--bg-color);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: 10px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.faq-question {
    display: flex;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    transition: background 0.3s;
}

.faq-question:hover {
    background: var(--bg-color);
}

.faq-question span:first-child {
    color: var(--primary-color);
    font-weight: 700;
    margin-right: 10px;
}

.faq-question span:nth-child(2) {
    flex: 1;
    font-size: 15px;
    color: var(--text-color);
}

.faq-question i {
    color: var(--primary-color);
    transition: transform 0.3s;
}

.faq-question.active i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 25px 20px;
    display: none;
}

.faq-answer.active {
    display: block;
}

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

.faq-more {
    text-align: center;
    margin-top: 30px;
}

.footer {
    background: #1a1a2e;
    color: white;
    padding: 60px 0 30px;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.footer-desc {
    color: #999;
    font-size: 14px;
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.link-group h4 {
    font-size: 15px;
    margin-bottom: 20px;
    color: white;
}

.link-group ul {
    list-style: none;
}

.link-group li {
    margin-bottom: 12px;
}

.link-group a {
    text-decoration: none;
    color: #999;
    font-size: 14px;
    transition: color 0.3s;
}

.link-group a:hover {
    color: var(--primary-color);
}

.link-group li i {
    margin-right: 8px;
    color: var(--secondary-color);
}

.footer-qrcode {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.qrcode-img {
    width: 80px;
    height: 80px;
    background: white;
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.qrcode-img i {
    font-size: 40px;
    color: var(--primary-color);
}

.footer-qrcode span {
    font-size: 12px;
    color: #999;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: #666;
    font-size: 13px;
}

.floating-chat {
    position: fixed;
    right: 30px;
    bottom: 60px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #0D47A1 100%);
    color: white;
    padding: 15px 20px;
    border-radius: 40px;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    box-shadow: 0 5px 20px rgba(22, 93, 255, 0.4);
    z-index: 1000;
    transition: all 0.3s;
}

.floating-chat:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(22, 93, 255, 0.5);
}

.chat-icon {
    width: 35px;
    height: 35px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.chat-icon i {
    font-size: 18px;
}

.chat-text {
    font-size: 14px;
    font-weight: 500;
}

.chat-panel {
    position: fixed;
    right: 30px;
    bottom: 120px;
    width: 350px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
    z-index: 999;
    display: none;
    overflow: hidden;
}

.chat-panel.active {
    display: block;
}

.chat-panel-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0D47A1 100%);
    color: white;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 600;
}

.chat-close {
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background 0.2s;
}

.chat-close:hover {
    background: rgba(255,255,255,0.3);
}

.chat-panel-content {
    padding: 20px;
}

.chat-greeting {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid #f0f0f0;
}

.chat-greeting .avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #0D47A1 100%);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.chat-greeting .avatar i {
    font-size: 28px;
    color: white;
}

.greeting-text p {
    margin: 0;
    font-size: 14px;
    color: var(--text-color);
}

.greeting-sub {
    font-size: 12px !important;
    color: var(--text-secondary) !important;
    margin-top: 3px !important;
}

.contact-methods {
    margin-bottom: 25px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid #f5f5f5;
    transition: background 0.2s;
}

.contact-item:hover {
    background: #fafafa;
}

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

.contact-item i {
    width: 40px;
    height: 40px;
    background: rgba(22, 93, 255, 0.1);
    border-radius: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--primary-color);
    font-size: 16px;
}

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

.contact-label {
    font-size: 12px;
    color: var(--text-secondary);
}

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

.quick-form {
    background: #f8f9fa;
    padding: 18px;
    border-radius: 12px;
}

.quick-form h4 {
    margin: 0 0 15px 0;
    font-size: 15px;
    color: var(--text-color);
}

.quick-form form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.quick-form input,
.quick-form select,
.quick-form textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    font-size: 13px;
    transition: border-color 0.2s;
}

.quick-form input:focus,
.quick-form select:focus,
.quick-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.quick-form textarea {
    min-height: 80px;
    resize: vertical;
}

.btn-full {
    width: 100%;
}

.page-banner {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0D47A1 100%);
    padding: 120px 0 30px;
    color: white;
    text-align: center;
}

.page-banner h1 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 10px;
}

.page-banner p {
    font-size: 15px;
    color: rgba(255,255,255,0.8);
}

.about-company {
    padding: 80px 0;
    background: white;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text h2 {
    font-size: 28px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.about-text p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 15px;
}

.company-stats {
    display: flex;
    gap: 30px;
    margin-top: 30px;
}

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

.company-stats .stat-num {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
}

.company-stats .stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 5px;
}

.about-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.mission-vision {
    padding: 80px 0;
    background: var(--bg-color);
}

.mv-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.mv-card {
    background: white;
    padding: 40px;
    border-radius: 12px;
    text-align: center;
}

.mv-card.mission {
    border-top: 4px solid var(--primary-color);
}

.mv-card.vision {
    border-top: 4px solid var(--secondary-color);
}

.mv-icon {
    width: 70px;
    height: 70px;
    background: rgba(22, 93, 255, 0.1);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 20px;
}

.mv-icon i {
    font-size: 32px;
    color: var(--primary-color);
}

.mv-card h3 {
    font-size: 20px;
    color: var(--text-color);
    margin-bottom: 15px;
}

.mv-card p:first-of-type {
    font-size: 16px;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 10px;
}

.mv-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.timeline {
    padding: 80px 0;
    background: white;
}

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

.timeline-content::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-color);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    align-items: center;
    margin-bottom: 40px;
    position: relative;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-year {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #0D47A1 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 18px;
    font-weight: 700;
    flex-shrink: 0;
}

.timeline-dot {
    width: 16px;
    height: 16px;
    background: white;
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.timeline-content-box {
    width: calc(50% - 60px);
    background: var(--bg-color);
    padding: 25px;
    border-radius: 10px;
}

.timeline-item:nth-child(even) .timeline-content-box {
    margin-left: 20px;
}

.timeline-item:nth-child(odd) .timeline-content-box {
    margin-right: 20px;
}

.timeline-content-box h3 {
    font-size: 18px;
    color: var(--text-color);
    margin-bottom: 10px;
}

.timeline-content-box p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.certificates-page {
    padding: 80px 0;
    background: var(--bg-color);
}

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

.cert-icon-large {
    width: 90px;
    height: 90px;
}

.cert-number {
    font-size: 12px;
    color: var(--primary-color);
    margin-top: 8px;
}

.calculator-page {
    padding: 60px 0;
    background: white;
}

.calculator-wrapper {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 40px;
    margin-bottom: 50px;
}

.calculator-input {
    background: var(--bg-color);
    padding: 35px;
    border-radius: 12px;
}

.calculator-input h3 {
    font-size: 20px;
    color: var(--text-color);
    margin-bottom: 25px;
}

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

.form-group label {
    display: block;
    font-size: 14px;
    color: var(--text-color);
    margin-bottom: 10px;
}

.form-group input {
    width: 100%;
    padding: 14px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.input-group {
    display: flex;
    align-items: center;
}

.input-prefix {
    padding: 14px;
    background: #eee;
    border-radius: 8px 0 0 8px;
    color: var(--text-secondary);
}

.input-group input {
    border-radius: 0 8px 8px 0;
    border-left: none;
}

.calculate-btn {
    width: 100%;
    padding: 15px;
    font-size: 16px;
}

.calculator-result {
    background: var(--bg-color);
    padding: 35px;
    border-radius: 12px;
}

.calculator-result h3 {
    font-size: 20px;
    color: var(--text-color);
    margin-bottom: 25px;
}

.result-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.result-card {
    background: white;
    padding: 25px;
    border-radius: 10px;
    text-align: center;
    border-top: 3px solid #95A5A6;
}

.result-card.full-time {
    border-top-color: #95A5A6;
}

.result-card.labor {
    border-top-color: #F39C12;
}

.result-card.flex {
    border-top-color: var(--primary-color);
    box-shadow: 0 5px 20px rgba(22, 93, 255, 0.15);
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.result-header h4 {
    font-size: 15px;
    color: var(--text-color);
}

.result-badge {
    font-size: 11px;
    padding: 4px 10px;
    background: #eee;
    border-radius: 15px;
    color: var(--text-secondary);
}

.result-badge.best {
    background: rgba(22, 93, 255, 0.1);
    color: var(--primary-color);
}

.amount-label {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.amount-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-color);
}

.amount-value.highlight {
    color: var(--primary-color);
}

.saving-summary {
    display: flex;
    justify-content: center;
    gap: 40px;
    padding: 20px;
    background: white;
    border-radius: 10px;
    margin-bottom: 20px;
}

.saving-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.saving-label {
    font-size: 14px;
    color: var(--text-secondary);
}

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

.download-btn {
    width: 100%;
    padding: 14px;
    font-size: 15px;
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.download-btn:hover {
    background: var(--primary-color);
    color: white;
}

.cost-comparison-detail {
    background: var(--bg-color);
    padding: 35px;
    border-radius: 12px;
}

.cost-comparison-detail h3 {
    font-size: 18px;
    color: var(--text-color);
    margin-bottom: 20px;
}

.detail-table {
    width: 100%;
    border-collapse: collapse;
}

.detail-table th,
.detail-table td {
    padding: 12px;
    text-align: center;
    border-bottom: 1px solid #ddd;
    font-size: 14px;
}

.detail-table th {
    background: white;
    font-weight: 600;
    color: var(--text-color);
}

.detail-table .total-row {
    background: rgba(22, 93, 255, 0.1);
}

.detail-table .total-row td {
    font-weight: 700;
    color: var(--primary-color);
}

.contact-page {
    padding: 60px 0;
    background: white;
}

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

.contact-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.contact-card {
    background: var(--bg-color);
    padding: 25px;
    border-radius: 10px;
    display: flex;
    gap: 15px;
}

.contact-icon {
    width: 55px;
    height: 55px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #0D47A1 100%);
    border-radius: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 24px;
    color: white;
}

.contact-details h4 {
    font-size: 16px;
    color: var(--text-color);
    margin-bottom: 5px;
}

.contact-details p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.contact-form {
    background: var(--bg-color);
    padding: 35px;
    border-radius: 12px;
}

.contact-form h3 {
    font-size: 20px;
    color: var(--text-color);
    margin-bottom: 25px;
}

.contact-form form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.form-row {
    display: flex;
    gap: 15px;
}

.form-row input {
    flex: 1;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    padding: 14px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-btn {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0D47A1 100%);
    color: white;
    border: none;
    padding: 15px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(22, 93, 255, 0.4);
}

.service-network {
    margin-top: 30px;
    padding: 30px;
    background: var(--bg-color);
    border-radius: 12px;
}

.service-network h3 {
    font-size: 18px;
    color: var(--text-color);
    margin-bottom: 20px;
}

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

.network-item {
    background: white;
    padding: 20px;
    border-radius: 8px;
}

.network-item h4 {
    font-size: 15px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.network-item p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.faq-page {
    padding: 60px 0;
    background: white;
}

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

.faq-page .faq-list {
    max-width: 100%;
}

.faq-categories {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.faq-category {
    padding: 10px 20px;
    background: var(--bg-color);
    border-radius: 25px;
    font-size: 14px;
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.3s;
}

.faq-category.active {
    background: var(--primary-color);
    color: white;
}

.faq-category:hover {
    background: var(--primary-color);
    color: white;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-color);
    cursor: pointer;
}

@media (max-width: 992px) {
    .nav ul {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-content h1 {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .model-grid {
        grid-template-columns: 1fr;
    }
    
    .model-card.version-3 {
        transform: none;
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .certificates-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-top {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .calculator-wrapper {
        grid-template-columns: 1fr;
    }
    
    .result-cards {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .network-list {
        grid-template-columns: 1fr;
    }
    
    .timeline-content::before {
        left: 40px;
    }
    
    .timeline-item {
        flex-direction: column !important;
        align-items: flex-start;
    }
    
    .timeline-dot {
        left: 40px;
    }
    
    .timeline-content-box {
        width: 100%;
        margin-left: 80px !important;
        margin-right: 0 !important;
        margin-top: 20px;
    }
}

@media (max-width: 768px) {
    .hero-text h1 {
        font-size: 24px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .about-highlights {
        grid-template-columns: 1fr;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .certificates-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .saving-summary {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
    
    .header-actions {
        display: flex;
    }
    
    .header-actions .login-btn {
        display: none;
    }
    
    .calculator-summary {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .calculator-content {
        padding: 20px;
    }
    
    .cost-table {
        display: block;
        overflow-x: auto;
    }
}
