:root {
     --primary: #4f46e5;
     --primary-dark: #3730a3;
     --secondary: #9333ea;
     --accent: #f97316;
     --text-dark: #0f172a;
     --text-muted: #475569;
     --bg-pure: #ffffff;
     --bg-soft: #f8fafc;
     --gradient-business: linear-gradient(135deg, #4f46e5, #9333ea);
     --gradient-warm: linear-gradient(135deg, #f97316, #fb923c);
     --glass-bg: rgba(255, 255, 255, 0.7);
     --glass-border: rgba(255, 255, 255, 0.4);
     --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
     --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
     --shadow-lg: 0 20px 40px -5px rgba(15, 23, 42, 0.08);
     --radius-lg: 24px;
     --radius-xl: 32px;
 }

 * {
     margin: 0;
     padding: 0;
     box-sizing: border-box;
     font-family: 'Plus Jakarta Sans', sans-serif;
     scroll-behavior: smooth;
 }

 body {
     background-color: var(--bg-pure);
     color: var(--text-dark);
     line-height: 1.7;
     overflow-x: hidden;
 }

 .container {
     max-width: 1300px;
     margin: 0 auto;
     padding: 0 24px;
 }

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

 .bg-soft {
     background-color: var(--bg-soft);
 }

 .text-gradient {
     background: var(--gradient-business);
     -webkit-background-clip: text;
     -webkit-text-fill-color: transparent;
     display: inline-block;
 }

 h1,
 h2,
 h3,
 h4 {
     line-height: 1.2;
     font-weight: 700;
     letter-spacing: -0.02em;
 }

 /* HERO SECTION */

 .hero {
     position: relative;
     padding: 160px 0 100px;
     background:
         linear-gradient(rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0.5)),
         url('../images/faguobali.jpg') center/cover no-repeat fixed;
     text-align: center;
 }

 /* 首屏专属高亮渐变色 (配合蓝天背景) */
 .hero-highlight {
     background: linear-gradient(135deg, #5d1e8a, #3b82f6);
     -webkit-background-clip: text;
     -webkit-text-fill-color: transparent;
     display: inline-block;
 }

 .hero-tag {
     display: inline-block;
     padding: 8px 16px;
     background: rgba(79, 70, 229, 0.1);
     color: var(--primary-dark);
     border-radius: 50px;
     font-weight: 600;
     font-size: 0.9rem;
     margin-bottom: 24px;
     border: 1px solid rgba(79, 70, 229, 0.3);
     backdrop-filter: blur(5px);
 }

 .hero h1 {
     font-size: clamp(2.5rem, 5vw, 4.5rem);
     max-width: 1000px;
     margin: 0 auto 24px;
     color: var(--text-dark);
 }

 .hero p {
     font-size: 1.25rem;
     color: var(--text-dark);
     font-weight: 500;
     max-width: 800px;
     margin: 0 auto 40px;
     text-shadow: 0 2px 10px rgba(255, 255, 255, 0.9);
 }

 .hero-actions {
     display: flex;
     gap: 16px;
     justify-content: center;
     margin-bottom: 60px;
 }

 .btn {
     display: inline-flex;
     align-items: center;
     justify-content: center;
     padding: 16px 32px;
     border-radius: 50px;
     font-weight: 600;
     text-decoration: none;
     transition: all 0.3s ease;
     cursor: pointer;
     border: none;
 }

 .btn-primary {
     background: var(--gradient-business);
     color: white;
     box-shadow: 0 10px 25px rgba(79, 70, 229, 0.3);
 }

 .btn-primary:hover {
     transform: translateY(-3px);
     box-shadow: 0 15px 35px rgba(79, 70, 229, 0.4);
 }

 .btn-secondary {
     background: rgba(255, 255, 255, 0.9);
     color: var(--text-dark);
     border: 1px solid #e2e8f0;
     backdrop-filter: blur(5px);
 }

 .btn-secondary:hover {
     border-color: var(--primary);
     color: var(--primary);
     transform: translateY(-3px);
     background: #fff;
 }

 .hero-image-wrapper {
     position: relative;
     max-width: 1100px;
     margin: 0 auto;
     border-radius: var(--radius-xl);
     padding: 20px;
     background: rgba(255, 255, 255, 0.6);
     backdrop-filter: blur(20px);
     border: 1px solid var(--glass-border);
     box-shadow: var(--shadow-lg);
 }

 .hero-image {
     width: 100%;
     height: 500px;
     object-fit: cover;
     border-radius: var(--radius-lg);
 }

 .floating-badge {
     position: absolute;
     background: var(--bg-pure);
     padding: 16px 24px;
     border-radius: 20px;
     box-shadow: var(--shadow-lg);
     display: flex;
     align-items: center;
     gap: 12px;
     animation: float 6s ease-in-out infinite;
 }

 .badge-1 {
     top: 10%;
     left: -5%;
 }

 .badge-2 {
     bottom: 15%;
     right: -5%;
     animation-delay: 2s;
 }

 @keyframes float {

     0%,
     100% {
         transform: translateY(0);
     }

     50% {
         transform: translateY(-20px);
     }
 }

 /* General Layouts */
 .section-header {
     text-align: center;
     max-width: 800px;
     margin: 0 auto 60px;
 }

 .section-header h2 {
     font-size: 2.5rem;
     margin-bottom: 16px;
 }

 .benefits-grid {
     display: grid;
     grid-template-columns: repeat(12, 1fr);
     gap: 24px;
 }

 .benefit-card {
     background: var(--bg-pure);
     border: 1px solid #f1f5f9;
     border-radius: var(--radius-lg);
     padding: 40px;
     box-shadow: var(--shadow-sm);
     transition: all 0.4s ease;
     position: relative;
     overflow: hidden;
 }

 .benefit-card:hover {
     box-shadow: var(--shadow-lg);
     transform: translateY(-5px);
     border-color: rgba(79, 70, 229, 0.2);
 }

 .card-large {
     grid-column: span 8;
 }

 .card-small {
     grid-column: span 4;
 }

 .card-medium {
     grid-column: span 6;
 }

 .card-full {
     grid-column: span 12;
 }

 .card-third {
     grid-column: span 4;
 }

 @media (max-width: 992px) {

     .card-large,
     .card-small,
     .card-medium,
     .card-third {
         grid-column: span 12;
     }
 }

 .icon-box {
     width: 60px;
     height: 60px;
     border-radius: 16px;
     display: flex;
     align-items: center;
     justify-content: center;
     font-size: 24px;
     margin-bottom: 24px;
 }

 .icon-purple {
     background: rgba(147, 51, 234, 0.1);
     color: var(--secondary);
 }

 .icon-blue {
     background: rgba(79, 70, 229, 0.1);
     color: var(--primary);
 }

 .icon-orange {
     background: rgba(249, 115, 22, 0.1);
     color: var(--accent);
 }

 .benefit-card h3 {
     font-size: 1.5rem;
     margin-bottom: 16px;
 }

 .benefit-card p {
     color: var(--text-muted);
 }

 /* Entities Section */
 .comparison-wrapper {
     display: flex;
     gap: 30px;
     margin-top: 40px;
     flex-wrap: wrap;
 }

 .entity-card {
     flex: 1;
     min-width: 320px;
     background: var(--bg-soft);
     border-radius: var(--radius-lg);
     padding: 40px;
     position: relative;
     z-index: 1;
 }

 .entity-card.popular {
     background: var(--bg-pure);
     box-shadow: var(--shadow-lg);
     border: 2px solid var(--primary);
     transform: scale(1.02);
     z-index: 2;
 }

 .popular-badge {
     position: absolute;
     top: -16px;
     left: 50%;
     transform: translateX(-50%);
     background: var(--gradient-warm);
     color: white;
     padding: 8px 20px;
     border-radius: 50px;
     font-weight: 700;
     font-size: 0.85rem;
 }

 .entity-list {
     list-style: none;
     margin-top: 24px;
 }

 .entity-list li {
     padding: 12px 0;
     border-bottom: 1px dashed #e2e8f0;
     display: flex;
     align-items: center;
     gap: 12px;
     color: var(--text-muted);
 }

 .entity-list li i {
     color: #10b981;
 }

 /* Stylish Process Grid (6-Steps) */
 .stylish-process-grid {
     display: grid;
     grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
     gap: 30px;
     margin-top: 20px;
 }

 .process-card {
     background: var(--bg-pure);
     border-radius: var(--radius-lg);
     padding: 40px;
     position: relative;
     overflow: hidden;
     box-shadow: var(--shadow-sm);
     border: 1px solid rgba(226, 232, 240, 0.8);
     transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
     z-index: 1;
 }

 .process-card::before {
     content: '';
     position: absolute;
     top: 0;
     left: 0;
     width: 100%;
     height: 4px;
     background: var(--gradient-business);
     transform: scaleX(0);
     transform-origin: left;
     transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
     z-index: 2;
 }

 .process-card:hover {
     transform: translateY(-8px);
     box-shadow: var(--shadow-lg);
     border-color: transparent;
 }

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

 .process-bg-number {
     position: absolute;
     top: -15px;
     right: -10px;
     font-size: 140px;
     font-weight: 800;
     background: linear-gradient(135deg, rgba(79, 70, 229, 0.08), rgba(147, 51, 234, 0.02));
     -webkit-background-clip: text;
     -webkit-text-fill-color: transparent;
     z-index: -1;
     line-height: 1;
     user-select: none;
     transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
 }

 .process-card:hover .process-bg-number {
     transform: scale(1.05) translate(-10px, 15px);
     background: linear-gradient(135deg, rgba(79, 70, 229, 0.15), rgba(147, 51, 234, 0.05));
     -webkit-background-clip: text;
     -webkit-text-fill-color: transparent;
 }

 .process-icon {
     width: 60px;
     height: 60px;
     border-radius: 16px;
     background: var(--bg-soft);
     color: var(--primary);
     display: flex;
     align-items: center;
     justify-content: center;
     font-size: 1.5rem;
     margin-bottom: 24px;
     box-shadow: inset 0 0 0 1px rgba(79, 70, 229, 0.1);
     transition: all 0.3s ease;
 }

 .process-card:hover .process-icon {
     background: var(--gradient-business);
     color: white;
     box-shadow: 0 10px 20px rgba(79, 70, 229, 0.2);
 }

 .process-card h3 {
     font-size: 1.35rem;
     margin-bottom: 12px;
     color: var(--text-dark);
 }

 .process-card p {
     color: var(--text-muted);
     font-size: 0.95rem;
     line-height: 1.6;
 }

 /* PRICING & COSTS SECTION STYLES */
 .pricing-grid {
     display: grid;
     grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
     gap: 30px;
     margin-top: 40px;
 }

 .pricing-card {
     background: var(--bg-pure);
     border: 1px solid #e2e8f0;
     border-radius: var(--radius-xl);
     padding: 40px;
     text-align: left;
     position: relative;
     display: flex;
     flex-direction: column;
     transition: all 0.4s ease;
 }

 .pricing-card:hover {
     box-shadow: var(--shadow-lg);
     transform: translateY(-5px);
 }

 .pricing-card.premium {
     border: 2px solid var(--primary);
     box-shadow: var(--shadow-md);
     transform: scale(1.02);
     z-index: 2;
 }

 .pricing-card.premium:hover {
     box-shadow: 0 25px 50px -12px rgba(79, 70, 229, 0.25);
     transform: scale(1.02) translateY(-5px);
 }

 .pricing-badge {
     position: absolute;
     top: -15px;
     left: 50%;
     transform: translateX(-50%);
     background: var(--gradient-warm);
     color: white;
     padding: 6px 16px;
     border-radius: 20px;
     font-size: 0.85rem;
     font-weight: 700;
     text-transform: uppercase;
     letter-spacing: 1px;
 }

 .pricing-name {
     font-size: 1.25rem;
     font-weight: 600;
     color: var(--text-muted);
     margin-bottom: 16px;
 }

 .pricing-card.premium .pricing-name {
     color: var(--primary);
 }

 .pricing-price {
     font-size: 3.5rem;
     font-weight: 800;
     color: var(--text-dark);
     margin-bottom: 8px;
     line-height: 1;
 }

 .pricing-price span {
     font-size: 1.2rem;
     font-weight: 500;
     color: var(--text-muted);
 }

 .pricing-desc {
     color: var(--text-muted);
     margin-bottom: 30px;
     font-size: 0.95rem;
     padding-bottom: 30px;
     border-bottom: 1px solid #e2e8f0;
 }

 .pricing-features {
     list-style: none;
     margin-bottom: 40px;
     flex-grow: 1;
 }

 .pricing-features li {
     display: flex;
     align-items: flex-start;
     gap: 12px;
     margin-bottom: 16px;
     color: var(--text-dark);
     font-size: 0.95rem;
 }

 .pricing-features li i {
     color: #10b981;
     margin-top: 4px;
     font-size: 1rem;
 }

 .pricing-features li.disabled {
     color: #94a3b8;
 }

 .pricing-features li.disabled i {
     color: #cbd5e1;
 }

 .pricing-btn {
     display: block;
     text-align: center;
     padding: 16px;
     border-radius: 50px;
     font-weight: 600;
     text-decoration: none;
     transition: all 0.3s ease;
 }

 .pricing-btn-outline {
     border: 2px solid #e2e8f0;
     color: var(--text-dark);
 }

 .pricing-btn-outline:hover {
     border-color: var(--primary);
     color: var(--primary);
 }

 .pricing-btn-solid {
     background: var(--primary);
     color: white;
     box-shadow: 0 10px 20px rgba(79, 70, 229, 0.2);
 }

 .pricing-btn-solid:hover {
     background: var(--primary-dark);
     transform: translateY(-2px);
     box-shadow: 0 15px 25px rgba(79, 70, 229, 0.3);
 }

 .gov-fees-box {
     background: var(--bg-soft);
     border-radius: var(--radius-lg);
     padding: 30px;
     margin-top: 40px;
     border: 1px dashed #cbd5e1;
 }

 .gov-fees-grid {
     display: grid;
     grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
     gap: 20px;
     margin-top: 20px;
 }

 .gov-fee-item {
     display: flex;
     justify-content: space-between;
     align-items: center;
     padding-bottom: 10px;
     border-bottom: 1px solid #e2e8f0;
 }

 .gov-fee-item:last-child {
     border-bottom: none;
     padding-bottom: 0;
 }

 .gov-fee-name {
     color: var(--text-muted);
     font-size: 0.95rem;
 }

 .gov-fee-amount {
     font-weight: 700;
     color: var(--text-dark);
 }

 /* Split Layouts & Misc */
 .split-layout {
     display: flex;
     align-items: center;
     gap: 60px;
     flex-wrap: wrap;
 }

 .split-text {
     flex: 1;
     min-width: 400px;
 }

 .split-image {
     flex: 1;
     min-width: 400px;
 }

 .split-image img {
     width: 100%;
     border-radius: var(--radius-xl);
     box-shadow: var(--shadow-lg);
 }

 .tags-container {
     display: flex;
     flex-wrap: wrap;
     gap: 12px;
     margin-top: 24px;
 }

 .info-tag {
     background: var(--bg-soft);
     padding: 8px 16px;
     border-radius: 8px;
     font-size: 0.9rem;
     color: var(--text-dark);
     font-weight: 500;
     border: 1px solid #e2e8f0;
 }

 .modern-table-wrapper {
     overflow-x: auto;
     background: var(--bg-pure);
     border-radius: var(--radius-lg);
     box-shadow: var(--shadow-lg);
     border: 1px solid #f1f5f9;
 }

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

 .modern-table th {
     padding: 24px;
     text-align: left;
     font-size: 1.1rem;
     color: var(--text-dark);
     border-bottom: 2px solid #e2e8f0;
     background: var(--bg-soft);
 }

 .modern-table td {
     padding: 20px 24px;
     border-bottom: 1px solid #e2e8f0;
     color: var(--text-muted);
 }

 .modern-table tr:last-child td {
     border-bottom: none;
 }

 .modern-table .highlight-col {
     background: rgba(79, 70, 229, 0.03);
     font-weight: 600;
     color: var(--primary-dark);
     position: relative;
 }

 .modern-table th.highlight-col {
     background: var(--gradient-business);
     color: white;
 }

 .modern-table td i {
     margin-right: 8px;
 }

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

 .table-cross {
     color: #ef4444;
 }

 /* Testimonials */
 .testimonial-grid {
     display: grid;
     grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
     gap: 24px;
 }

 .testimonial-card {
     background: var(--bg-pure);
     padding: 30px;
     border-radius: var(--radius-lg);
     box-shadow: var(--shadow-sm);
     border: 1px solid #f1f5f9;
     transition: all 0.3s ease;
 }

 .testimonial-card:hover {
     box-shadow: var(--shadow-lg);
     transform: translateY(-5px);
 }

 .rating {
     color: #fbbf24;
     font-size: 1.2rem;
     margin-bottom: 16px;
 }

 .testimonial-text {
     font-style: italic;
     color: var(--text-muted);
     margin-bottom: 24px;
 }

 .client-info {
     display: flex;
     align-items: center;
     gap: 16px;
 }

 .client-avatar {
     width: 50px;
     height: 50px;
     border-radius: 50%;
     background: var(--gradient-warm);
     display: flex;
     align-items: center;
     justify-content: center;
     color: white;
     font-weight: bold;
     font-size: 1.2rem;
 }

 .client-details h4 {
     font-size: 1rem;
     margin-bottom: 4px;
 }

 .client-details span {
     font-size: 0.85rem;
     color: var(--text-muted);
 }

 /* FAQ Accordion */
 .faq-container {
     max-width: 900px;
     margin: 0 auto;
 }

 .faq-item {
     background: var(--bg-pure);
     border: 1px solid #e2e8f0;
     border-radius: 16px;
     margin-bottom: 16px;
     transition: all 0.3s ease;
 }

 .faq-item:hover {
     border-color: rgba(79, 70, 229, 0.4);
     box-shadow: var(--shadow-sm);
 }

 .faq-question {
     padding: 24px;
     cursor: pointer;
     display: flex;
     justify-content: space-between;
     align-items: center;
     font-weight: 600;
     font-size: 1.1rem;
 }

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

 .faq-answer {
     padding: 0 24px;
     max-height: 0;
     overflow: hidden;
     transition: all 0.4s ease;
     color: var(--text-muted);
     opacity: 0;
 }

 .faq-item.active {
     border-color: var(--primary);
     box-shadow: var(--shadow-md);
 }

 .faq-item.active .faq-answer {
     padding-bottom: 24px;
     max-height: 500px;
     opacity: 1;
 }

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

 /* Floating TOC Style */
 .floating-toc {
     position: fixed;
     bottom: 40px;
     left: 40px;
     z-index: 9999;
     font-family: 'Plus Jakarta Sans', sans-serif;
 }

 .toc-button {
     display: flex;
     align-items: center;
     gap: 10px;
     background: var(--primary);
     color: white;
     border: none;
     padding: 12px 24px;
     border-radius: 50px;
     font-size: 1rem;
     font-weight: 600;
     cursor: pointer;
     box-shadow: 0 10px 25px rgba(79, 70, 229, 0.4);
     transition: all 0.3s ease;
 }

 .toc-button:hover {
     transform: translateY(-2px);
     background: var(--primary-dark);
 }

 .toc-card {
     position: absolute;
     bottom: calc(100% + 15px);
     left: 0;
     width: 340px;
     max-height: 500px;
     background: rgba(255, 255, 255, 0.65);
     backdrop-filter: blur(16px);
     -webkit-backdrop-filter: blur(16px);
     border: 1px solid rgba(255, 255, 255, 0.5);
     border-radius: 20px;
     box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
     padding: 20px;
     opacity: 0;
     visibility: hidden;
     transform: translateY(20px);
     transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
     overflow-y: auto;
 }

 .toc-card::-webkit-scrollbar {
     width: 6px;
 }

 .toc-card::-webkit-scrollbar-thumb {
     background: rgba(79, 70, 229, 0.3);
     border-radius: 10px;
 }

 .floating-toc.active .toc-card {
     opacity: 1;
     visibility: visible;
     transform: translateY(0);
 }

 .toc-list {
     list-style: none;
     position: relative;
 }

 .toc-list::before {
     content: '';
     position: absolute;
     top: 10px;
     bottom: 10px;
     left: 5px;
     width: 2px;
     background: rgba(79, 70, 229, 0.1);
 }

 .toc-indicator {
     position: absolute;
     left: 2.5px;
     width: 7px;
     height: 7px;
     background: var(--secondary);
     border-radius: 50%;
     transition: top 0.3s ease;
     box-shadow: 0 0 8px var(--secondary);
     z-index: 2;
 }

 .toc-item {
     display: block;
     padding: 10px 10px 10px 24px;
     color: var(--text-muted);
     text-decoration: none;
     font-size: 0.95rem;
     font-weight: 500;
     transition: all 0.3s ease;
     position: relative;
 }

 .toc-item:hover,
 .toc-item.active {
     color: var(--primary);
     font-weight: 700;
 }

 .qa-sdk-wrapper {
     position: fixed;
     width: 400px;
     right: -600px;
     max-height: 530px;
     overflow: hidden;
     border-radius: 4px;
     box-shadow: 0px 0px 8px 0px rgba(0, 0, 0, 0.1);
     transition: all 0.5s ease-in-out;
     background: #fff;
 }

 .qa-sdk-close-btn {
     display: inline-block;
     width: 18px;
     height: 18px;
     cursor: pointer;
     position: absolute;
     top: 16px;
     right: 16px;
 }

 .qa-sdk-close-btn:hover {
     border-radius: 50%;
     background-color: #d5d9df;
 }

 #qa-sdk-iframe {
     width: 400px;
 }

 @media (min-width: 1024px) and (max-width: 1366px) {
     .qa-sdk-wrapper {
         width: 356px;
     }

     #qa-sdk-iframe {
         width: 356px;
     }
 }

 .ai-assist-highlight {
     background: yellow;
 }

 @media print {

     #ai-assist-root-bangs,
     #ai-assist-root-bilibili,
     #ai-assist-root-new {
         display: none !important;
     }
 }