/* =========================================
   1. Base Styles & Reset
   ========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9fafb;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s;
}

ul {
    list-style: none;
}

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

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

.btn {
    display: inline-block;
    padding: 10px 25px;
    border-radius: 5px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    border: 1px solid transparent;
}

.btn-primary {
    background-color: #60a5fa; /* Default Light Blue */
    color: #fff;
}

.btn-primary:hover {
    background-color: #3b82f6; /* Fallback Blue */
}

.btn-primary.btn-win:hover {
    background-color: #2563eb; /* Blue for Windows */
}

.btn-primary.btn-mac:hover {
    background-color: #f97316; /* Orange for Mac */
}

.btn-secondary {
    background-color: #fff;
    color: #333;
    border: 1px solid #ddd;
}

.btn-secondary:hover {
    background-color: #f3f4f6;
}

.bg-gray {
    background-color: #f9fafb;
}

/* =========================================
   2. Header Styles
   ========================================= */
.site-header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    height: 70px;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    position: relative;
}

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

.logo-img {
    height: 40px;
    width: auto;
}

.desktop-nav {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.desktop-nav .nav-list {
    display: flex;
    gap: 30px;
}

.desktop-nav .nav-list > li > a {
    font-weight: 500;
    color: #333;
    font-size: 16px;
    padding: 10px 0;
}

.desktop-nav .nav-list > li > a:hover {
    color: #3b82f6;
}

.nav-item-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    padding: 10px 0;
    margin-top: 15px;
}

.nav-item-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    margin-top: 0;
}

.dropdown-menu li a {
    display: block;
    padding: 10px 20px;
    font-size: 14px;
    color: #666;
    white-space: nowrap;
}

.dropdown-menu li a:hover {
    background-color: #f3f4f6;
    color: #3b82f6;
}

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

.btn-online-marking {
    color: #0ea5e9;
    font-weight: bold;
    font-size: 16px;
    padding: 10px 15px;
    border: 1px solid #0ea5e9;
    border-radius: 4px;
    transition: all 0.3s;
}

.btn-online-marking:hover {
    background-color: #0ea5e9;
    color: #fff;
}

.mobile-menu-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: #333;
}

.mobile-nav {
    display: none;
    background: #fff;
    border-top: 1px solid #eee;
    padding: 20px;
}

.mobile-nav-list li {
    margin-bottom: 15px;
}

.mobile-nav-list a {
    font-size: 16px;
    font-weight: 500;
    display: block;
}

/* =========================================
   3. Footer Styles
   ========================================= */
.site-footer {
    background-color: #fff;
    padding: 60px 0 30px;
    border-top: 1px solid #eee;
    font-size: 14px;
    color: #666;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
}

.footer-left-section {
    flex: 1;
}

.info-row {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.footer-right-section {
    display: flex;
    gap: 50px;
}

.footer-column h4 {
    color: #333;
    margin-bottom: 15px;
    font-size: 16px;
}

.footer-column p {
    margin-bottom: 10px;
}

/* =========================================
   4. Feature Bar Styles
   ========================================= */
.feature-bar {
    background-color: rgba(0,0,0,0.8);
    color: #fff;
    padding: 15px 0;
    position: fixed;
    bottom: 0;
    width: 100%;
    z-index: 900;
    display: none; /* Usually hidden or specific pages */
}

#feature-bar-placeholder .feature-bar {
    position: relative;
    background: #333;
    display: block;
}

.feature-container {
    display: flex;
    justify-content: center;
    gap: 30px;
}

.feature-item {
    color: #fff;
    font-size: 14px;
    opacity: 0.8;
}

.feature-item:hover {
    opacity: 1;
}

/* =========================================
   5. Index Page Styles
   ========================================= */
.hero-section {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-color: #f0f4f8;
    overflow: hidden;
}

#tech-bg-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 64px;
    font-weight: 800;
    margin-bottom: 20px;
    color: #1a1a1a;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 32px;
    font-weight: 300;
    margin-bottom: 15px;
    color: #4b5563;
}

.hero-desc {
    font-size: 20px;
    color: #6b7280;
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 30px;
}

.hero-links {
    font-size: 14px;
    color: #6b7280;
}

.hero-links a:hover {
    color: #3b82f6;
}

.divider {
    margin: 0 10px;
    color: #d1d5db;
}

/* =========================================
   6. Marking Page Styles
   ========================================= */
.marking-page .marking-content {
    background-color: #fff;
}

.marking-hero {
    padding: 100px 0;
    background: linear-gradient(135deg, #e0f2fe 0%, #f0f9ff 100%);
}

.marking-hero-container {
    display: flex;
    align-items: center;
    gap: 60px;
}

.marking-hero-text {
    flex: 1;
}

.marking-hero-image {
    flex: 1;
    text-align: center;
}

.marking-title {
    font-size: 48px;
    font-weight: 800;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.marking-subtitle {
    font-size: 24px;
    color: #3b82f6;
    margin-bottom: 20px;
    font-weight: 600;
}

.marking-desc {
    font-size: 18px;
    color: #666;
    margin-bottom: 30px;
    line-height: 1.6;
}

.marking-buttons {
    display: flex;
    gap: 15px;
}

.btn-outline {
    border: 1px solid #3b82f6;
    color: #3b82f6;
    background: transparent;
}

.btn-outline:hover {
    background: #eff6ff;
}

.marking-features {
    padding: 80px 0;
}

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

.feature-card {
    text-align: center;
    padding: 30px;
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 40px;
    color: #3b82f6;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #1a1a1a;
}

.feature-card p {
    font-size: 14px;
    color: #666;
}

.marking-detail-section {
    padding: 100px 0;
}

.detail-container {
    display: flex;
    align-items: center;
    gap: 60px;
}

.detail-container.reverse {
    flex-direction: row-reverse;
}

.detail-text, .detail-image {
    flex: 1;
}

.detail-text h2 {
    font-size: 32px;
    margin-bottom: 20px;
    color: #1a1a1a;
}

.detail-text p {
    font-size: 16px;
    color: #666;
    margin-bottom: 24px;
}

.detail-list li {
    margin-bottom: 12px;
    font-size: 15px;
}

.detail-list li i {
    color: #10b981;
    margin-right: 10px;
}

/* =========================================
   7. Pricing Page Styles
   ========================================= */
.pricing-page-content {
    padding: 80px 0;
    background-color: #fdf6e9;
    min-height: 100vh;
}

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

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

.pricing-header h1 {
    font-size: 36px;
    font-weight: 800;
    color: #1a1a1a;
    margin-bottom: 20px;
}

.pricing-features {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    color: #666;
    margin-bottom: 20px;
    font-size: 16px;
}

.pricing-keywords {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.pricing-keywords span {
    background: #fff;
    padding: 5px 15px;
    border-radius: 20px;
    color: #3b82f6;
    font-weight: 600;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.pricing-card {
    background: #fff;
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: transform 0.3s;
    position: relative;
    border: 1px solid #f0f0f0;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.pricing-card.super-card {
    border: 2px solid #3b82f6;
    transform: scale(1.05);
}

.pricing-card.super-card:hover {
    transform: scale(1.05) translateY(-10px);
}

.card-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: #3b82f6;
    color: #fff;
    padding: 5px 15px;
    border-radius: 15px;
    font-size: 14px;
    font-weight: 600;
}

.card-title {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 10px;
    color: #1a1a1a;
}

.card-subtitle {
    color: #666;
    margin-bottom: 30px;
    font-size: 14px;
}

.card-price {
    font-size: 48px;
    font-weight: 800;
    color: #3b82f6;
    margin-bottom: 10px;
}

.card-points {
    color: #f97316;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 30px;
    background-color: #ffedd5;
    display: inline-block;
    padding: 5px 15px;
    border-radius: 20px;
}

.card-price .unit {
    font-size: 16px;
    color: #999;
    font-weight: 400;
}

.btn-card {
    display: block;
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    background: #eff6ff;
    color: #3b82f6;
    font-weight: 600;
    margin-bottom: 30px;
}

.btn-card:hover {
    background: #3b82f6;
    color: #fff;
}

.super-card .btn-card {
    background: #3b82f6;
    color: #fff;
}

.super-card .btn-card:hover {
    background: #2563eb;
}

.card-actions {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
}

.card-actions .btn-card {
    margin-bottom: 0;
}

.btn-solid {
    background: #3b82f6;
    color: #fff;
}

.btn-solid:hover {
    background: #2563eb;
}

.btn-outline {
    background: transparent;
    border: 1px solid #3b82f6;
    color: #3b82f6;
}

.btn-outline:hover {
    background: #eff6ff;
    color: #3b82f6;
}

.card-benefits {
    text-align: left;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.card-benefits li {
    margin-bottom: 15px;
    color: #4b5563;
    display: flex;
    justify-content: space-between;
}

.card-benefits li i {
    color: #10b981;
    margin-right: 10px;
}

.benefit-value {
    font-weight: 600;
    color: #1a1a1a;
}

.pricing-comparison {
    background: #fff;
    padding: 60px 40px;
    border-radius: 20px;
    width: 100%;
    margin: 0 auto;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

.comparison-title {
    text-align: center;
    font-size: 30px;
    font-weight: 800;
    margin-bottom: 40px;
    color: #1a1a1a;
}

.table-wrapper {
    overflow-x: auto;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 800px;
}

.comparison-table th,
.comparison-table td {
    padding: 15px;
    text-align: center;
    border-bottom: 1px solid #eee;
}

.comparison-table th {
    vertical-align: bottom;
    padding-bottom: 20px;
}

.comparison-table .col-feature {
    text-align: left;
    width: 20%;
    font-size: 18px;
    color: #1a1a1a;
}

.col-plan {
    width: 20%;
    font-size: 18px;
    color: #1a1a1a;
}

.plan-desc {
    display: block;
    font-size: 12px;
    color: #666;
    font-weight: normal;
    margin-top: 5px;
}

.category-row td {
    background-color: #f9fafb;
    text-align: left;
    font-weight: 600;
    color: #333;
    padding: 12px 15px;
}

.category-row td i {
    margin-right: 8px;
    color: #666;
}

.comparison-table td {
    color: #666;
}

.comparison-table td.highlight {
    color: #3b82f6;
    font-weight: 600;
    background-color: #f0f7ff;
}

.comparison-table th.highlight {
    color: #3b82f6;
    background-color: #f0f7ff;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
}

.comparison-table i.fa-check {
    color: #10b981;
}

.comparison-table .note {
    display: block;
    font-size: 12px;
    color: #999;
    margin-top: 4px;
}

/* =========================================
   8. Cooperation Page Styles
   ========================================= */
.cooperation-page {
    background-color: #fff;
}

.mission-section {
    padding: 120px 0;
    background-color: #f9fafb;
}

.mission-text {
    font-size: 32px;
    line-height: 1.5;
    color: #1a1a1a;
    font-weight: bold;
    max-width: 900px;
}

.content-section {
    padding: 80px 0;
}

.section-title {
    font-size: 36px;
    font-weight: 800;
    color: #1a1a1a;
    margin-bottom: 20px;
}

.section-desc {
    font-size: 16px;
    color: #666;
    margin-bottom: 50px;
    max-width: 800px;
}

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

.info-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s;
}

.info-card:hover {
    transform: translateY(-5px);
}

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

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

.info-card:hover .card-image img {
    transform: scale(1.05);
}

.card-content {
    padding: 25px;
}

.card-content h3 {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 12px;
}

.card-content p {
    font-size: 14px;
    color: #666;
}

.responsibility-container {
    display: flex;
    gap: 60px;
    background: #fdfdfd;
    border-radius: 20px;
    padding: 60px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.03);
}

.responsibility-visual {
    flex: 1;
    position: relative;
    min-height: 400px;
}

.principle-circle {
    position: absolute;
    width: 90px;
    height: 90px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: #333;
}

.principle-circle.top { top: 20px; left: 50%; transform: translateX(-50%); }
.principle-circle.left { top: 120px; left: 20px; }
.principle-circle.right { top: 120px; right: 20px; }
.principle-circle.bottom-left { bottom: 80px; left: 60px; }
.principle-circle.bottom-right { bottom: 80px; right: 60px; }
.principle-circle.bottom { bottom: 0; left: 50%; transform: translateX(-50%); }

.center-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-weight: bold;
}

.responsibility-content {
    flex: 1;
}

.highlight-box {
    background-color: #ff4d4f;
    color: #fff;
    padding: 10px 15px;
    margin-bottom: 30px;
}

.framework-item {
    margin-bottom: 25px;
}

/* =========================================
   9. Help Page Styles
   ========================================= */
.help-page {
    background-color: #fff;
}

.help-hero {
    background: linear-gradient(135deg, #e0f2fe 0%, #f0f9ff 100%);
    padding: 100px 0 60px;
    text-align: center;
}

.help-title {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 30px;
}

.search-box {
    max-width: 600px;
    margin: 0 auto 20px;
    position: relative;
    display: flex;
    background: #fff;
    border-radius: 30px;
    padding: 5px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.search-input {
    flex: 1;
    border: none;
    outline: none;
    padding: 12px 20px;
    border-radius: 30px;
}

.search-btn {
    background: transparent;
    color: #3b82f6;
    border: none;
    padding: 0 25px;
    cursor: pointer;
    font-weight: bold;
}

.help-categories {
    padding: 60px 0;
    background-color: #f9fafb;
}

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

.category-card {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    transition: transform 0.3s;
}

.category-card:hover {
    transform: translateY(-5px);
}

.cat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 20px;
    background-color: #3b82f6;
    color: #fff;
}

.cat-list li {
    margin-bottom: 10px;
    font-size: 14px;
}

.view-more {
    font-size: 14px;
    color: #3b82f6;
}

.ai-banner-section {
    padding: 40px 0;
    background: linear-gradient(135deg, #e0e7ff 0%, #f3e8ff 100%);
    text-align: center;
}

.explore-section {
    padding: 80px 0;
    text-align: center;
}

.explore-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.explore-card {
    background: #f9fafb;
    padding: 40px 30px;
    border-radius: 12px;
}

.updates-cases-section {
    padding: 60px 0 80px;
    background-color: #fdfdfd;
    position: relative;
}

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

.update-box {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    border: 1px solid #eee;
}

/* =========================================
   10. Feedback Page Styles
   ========================================= */
.feedback-page {
    background-color: #f9fafb;
}

.feedback-section {
    padding: 60px 0 80px;
}

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

.feedback-container {
    display: flex;
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.feedback-form-wrapper {
    flex: 2;
    background: #fff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

.feedback-sidebar {
    flex: 1;
}

.sidebar-card {
    background: #fff;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.03);
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 25px;
}

.form-label {
    display: block;
    margin-bottom: 10px;
    font-weight: bold;
}

.form-input, .form-textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
}

.btn-submit {
    background-color: #3b82f6;
    color: #fff;
    border: none;
    padding: 12px 40px;
    border-radius: 25px;
    font-weight: bold;
    cursor: pointer;
}

/* =========================================
   11. Solutions Page Styles
   ========================================= */
.solutions-page {
    background-color: #fff;
}

.solutions-hero {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    padding: 100px 0 80px;
    text-align: center;
    color: #fff;
}

.pain-points-section {
    padding: 80px 0;
}

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

.pain-point-card {
    background: #f9fafb;
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
}

.industry-solutions-section {
    padding: 80px 0;
}

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

.solution-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    overflow: hidden;
}

.solution-card .card-header {
    background: linear-gradient(135deg, #2563eb 0%, #60a5fa 100%);
    padding: 30px;
    text-align: center;
    color: #fff;
}

.advantages-section {
    padding: 80px 0;
}

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

.cta-section {
    background-color: #1e3a8a;
    padding: 80px 0;
    text-align: center;
    color: #fff;
}

/* =========================================
   12. Cases Page Styles
   ========================================= */
.cases-page {
    background-color: #fff;
}

.cases-hero {
    background: linear-gradient(135deg, #111827 0%, #374151 100%);
    padding: 100px 0 80px;
    text-align: center;
    color: #fff;
}

.cases-filter {
    padding: 40px 0;
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 70px;
    z-index: 90;
    background: #fff;
}

.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.filter-btn {
    padding: 10px 25px;
    border-radius: 25px;
    border: 1px solid #ddd;
    background: #fff;
}

.filter-btn.active {
    background: #3b82f6;
    color: #fff;
    border-color: #3b82f6;
}

.cases-list-section {
    padding: 60px 0;
    background-color: #f9fafb;
}

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

.case-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.case-img {
    height: 200px;
    position: relative;
}

.case-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.case-tag {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(0,0,0,0.6);
    color: #fff;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 12px;
}

.case-metrics {
    display: flex;
    gap: 20px;
    padding-top: 15px;
    border-top: 1px dashed #eee;
}

.testimonials-section {
    padding: 80px 0;
}

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

.testimonial-card {
    background: #fff;
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.03);
}

.author-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

/* =========================================
   13. Agreement Page Styles
   ========================================= */
.agreement-page {
    background-color: #f5f5f5;
}

.agreement-header-section {
    background-color: #fff;
    padding: 60px 0 40px;
    border-bottom: 1px solid #eee;
    text-align: center;
}

.agreement-title {
    font-size: 32px;
    font-weight: 800;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.agreement-meta {
    font-size: 14px;
    color: #999;
}

.agreement-body-section {
    padding: 40px 0 80px;
    position: relative;
}

.agreement-container {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.agreement-sidebar {
    width: 250px;
    position: sticky;
    top: 80px;
    flex-shrink: 0;
}

.toc-nav {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.toc-nav a.active {
    color: #3b82f6;
    font-weight: 500;
    background-color: #f0f7ff;
}

.agreement-content {
    flex: 1;
    background: #fff;
    padding: 60px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    min-width: 0;
}

.agreement-section {
    margin-bottom: 40px;
    scroll-margin-top: 80px;
}

.agreement-section p, .agreement-intro p {
    margin-bottom: 15px;
    line-height: 1.8;
    color: #4b5563;
}

.agreement-section ul {
    list-style: disc;
    padding-left: 20px;
    margin-bottom: 15px;
}

.agreement-section li {
    margin-bottom: 8px;
    color: #4b5563;
}

.agreement-section h2 {
    font-size: 20px;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
    margin-bottom: 20px;
}

/* =========================================
   14. Security Page Styles
   ========================================= */
.security-page {
    background-color: #fff;
}

.security-hero {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
    padding: 100px 0;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.security-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/hero-bg2.png') center/cover no-repeat;
    opacity: 0.2;
}

.security-hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.security-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 20px;
}

.security-subtitle {
    font-size: 20px;
    opacity: 0.9;
    margin-bottom: 40px;
    line-height: 1.6;
}

.security-badges {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.badge-item {
    background: rgba(255,255,255,0.1);
    padding: 10px 20px;
    border-radius: 30px;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
}

.security-features-section {
    padding: 100px 0 80px;
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.security-card {
    background: #fff;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    border: 1px solid #f0f0f0;
    transition: transform 0.3s;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.security-card:hover {
    transform: translateY(-5px);
    border-color: #3b82f6;
}

.card-icon-wrapper {
    width: 60px;
    height: 60px;
    background: #eff6ff;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.card-icon-wrapper i {
    font-size: 24px;
    color: #3b82f6;
}

.security-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #1a1a1a;
}

.security-card p {
    color: #666;
    line-height: 1.6;
}

.security-detail-section {
    padding: 100px 0;
}

.security-detail-container {
    display: flex;
    align-items: center;
    gap: 80px;
}

.security-detail-image {
    flex: 1;
}

.security-detail-image img {
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.security-detail-text {
    flex: 1;
}

.security-detail-text h2 {
    font-size: 32px;
    margin-bottom: 20px;
    color: #1a1a1a;
}

.check-list {
    margin: 30px 0;
}

.check-list li {
    margin-bottom: 15px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: #4b5563;
}

.check-list li i {
    color: #10b981;
    margin-top: 4px;
}

.security-guidelines-section {
    padding: 100px 0;
}

.guidelines-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.guideline-item {
    display: flex;
    gap: 20px;
    background: #f9fafb;
    padding: 30px;
    border-radius: 12px;
}

.step-num {
    font-size: 40px;
    font-weight: 800;
    color: #e5e7eb;
    line-height: 1;
}

.step-content h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #1a1a1a;
}

.step-content p {
    color: #666;
    font-size: 14px;
}

.security-cta {
    background: #111827;
    color: #fff;
    padding: 80px 0;
    text-align: center;
}

.security-cta h2 {
    font-size: 32px;
    margin-bottom: 20px;
}

.security-cta p {
    color: #9ca3af;
    margin-bottom: 30px;
}

/* =========================================
   15. About Page Styles
   ========================================= */
.about-page {
    background-color: #fff;
}

.about-hero {
    background: url('../images/index-bg.png') center/cover no-repeat;
    padding: 120px 0;
    text-align: center;
    color: #fff;
    position: relative;
}

.about-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
}

.about-hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.about-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 20px;
}

.about-subtitle {
    font-size: 20px;
    opacity: 0.9;
    line-height: 1.6;
}

.company-intro-section {
    padding: 100px 0;
}

.intro-container {
    display: flex;
    align-items: center;
    gap: 60px;
}

.intro-image {
    flex: 1;
}

.intro-image img {
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.intro-text {
    flex: 1;
}

.intro-text h2 {
    font-size: 32px;
    margin-bottom: 20px;
    color: #1a1a1a;
}

.intro-text p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.8;
}

.stats-grid {
    display: flex;
    gap: 40px;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid #eee;
}

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

.stat-num {
    font-size: 32px;
    font-weight: 800;
    color: #3b82f6;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    color: #666;
}

.mission-vision-section {
    padding: 100px 0;
}

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

.mv-card {
    background: #fff;
    padding: 40px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: transform 0.3s;
}

.mv-card:hover {
    transform: translateY(-5px);
}

.mv-icon {
    width: 70px;
    height: 70px;
    background: #eff6ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.mv-icon i {
    font-size: 30px;
    color: #3b82f6;
}

.mv-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #1a1a1a;
}

.mv-card p {
    color: #666;
}

.team-section {
    padding: 100px 0;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.team-member {
    text-align: center;
}

.member-img {
    width: 180px;
    height: 180px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    border: 5px solid #fff;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

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

.team-member:hover .member-img img {
    transform: scale(1.1);
}

.member-info h3 {
    font-size: 18px;
    color: #1a1a1a;
    margin-bottom: 5px;
}

.member-role {
    display: block;
    font-size: 14px;
    color: #3b82f6;
    font-weight: 600;
    margin-bottom: 15px;
}

.member-info p {
    font-size: 13px;
    color: #666;
    line-height: 1.6;
}

.contact-section {
    padding: 80px 0;
    color: #fff;
    background-color: #1f2937;
}

.contact-container {
    display: flex;
    gap: 60px;
}

.contact-info {
    flex: 1;
}

.contact-info h2 {
    font-size: 32px;
    margin-bottom: 20px;
}

.contact-info p {
    color: #9ca3af;
    margin-bottom: 30px;
}

.contact-list li {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    color: #d1d5db;
}

.contact-list li i {
    color: #3b82f6;
    width: 20px;
}

.contact-map {
    flex: 1;
    height: 300px;
    background: #374151;
    border-radius: 12px;
    overflow: hidden;
}

.map-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #6b7280;
}

.map-placeholder i {
    font-size: 40px;
    margin-bottom: 10px;
}

/* =========================================
   16. Responsive Global Styles
   ========================================= */
@media (max-width: 768px) {
    .header-container {
        padding: 0 15px;
    }

    .desktop-nav {
        display: none;
    }

    .header-actions {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }

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

    .feature-grid, .cards-grid, .category-grid, .explore-grid, .updates-grid, .pain-points-grid, .solutions-tabs, .advantages-grid, .cases-grid, .testimonials-grid, .security-grid, .guidelines-list, .mv-grid, .team-grid {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 40px;
    }

    .marking-hero-container, .detail-container, .detail-container.reverse, .responsibility-container, .agreement-container, .feedback-container, .security-detail-container, .intro-container, .contact-container {
        flex-direction: column;
        gap: 30px;
    }

    .stats-grid {
        flex-wrap: wrap;
    }

    .agreement-sidebar {
        width: 100%;
        position: static;
    }

    .footer-container {
        flex-direction: column;
    }

    .footer-right-section {
        flex-direction: column;
        gap: 20px;
    }
}

/* Page Scroll Overrides */
body.marking-page,
body.pricing-page,
body.cooperation-page,
body.help-page,
body.feedback-page,
body.solutions-page,
body.cases-page,
body.agreement-page,
body.security-page,
body.about-page {
    height: auto;
    overflow-y: auto;
}

main:not(.marking-content):not(.pricing-page-content) {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}