.page-header{padding:80px 0 60px;background:linear-gradient(135deg,var(--oc-blue-0) 0%,#fff 100%);margin-top:60px}.page-header h1{font-size:2.5rem;font-weight:700;color:var(--oc-gray-9);margin-bottom:12px}.page-header .page-subtitle{font-size:1.1rem;color:var(--oc-gray-6)}.artc-tabs{background:#fff;border-bottom:1px solid var(--oc-gray-2);position:sticky;top:60px;z-index:100;padding:8px 15px}.artc-tabs-nav{display:flex;justify-content:center;gap:0;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;-ms-overflow-style:none}.artc-tabs-nav::-webkit-scrollbar{display:none}.tab-link{display:block;padding:16px 28px;color:var(--oc-gray-6);text-decoration:none!important;font-weight:500;font-size:.95rem;white-space:nowrap;border-bottom:3px solid transparent;transition:all .3s ease}.tab-link:hover{color:var(--oc-blue-6);background:var(--oc-blue-0);text-decoration:none!important}.tab-link.active{color:var(--oc-blue-6);border-bottom-color:var(--oc-blue-6);background:var(--oc-blue-0)}.tab-text-short{display:none}.tab-text-full{display:inline}.artc-content-section{padding:40px 0 80px;background:var(--bg-light)}.artc-main-content{max-width:100%}.artc-block{margin-bottom:50px;position:relative}.artc-block::before{content:'';display:block;height:80px;margin-top:-80px;visibility:hidden;pointer-events:none}.artc-heading{font-size:1.5rem;font-weight:600;color:var(--oc-gray-9);margin-bottom:20px;display:flex;align-items:center;gap:10px}.heading-icon{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;background:var(--oc-blue-6);color:#fff;border-radius:10px;font-size:18px}.artc-card{background:#fff;border-radius:12px;padding:30px;box-shadow:0 2px 12px rgba(0,0,0,6%)}.artc-card p{color:var(--oc-gray-7);line-height:1.8;margin-bottom:15px}.artc-card p:last-child{margin-bottom:0}.section-intro{color:var(--oc-gray-6);font-size:1rem;margin-bottom:25px}.subsection-title{font-size:1.2rem;font-weight:600;color:var(--oc-gray-8);margin:30px 0 20px;display:flex;align-items:center;gap:8px}.subsection-title:first-child{margin-top:0}.subsection-title i{color:var(--oc-blue-6)}.background-content{display:flex;flex-direction:column;gap:30px}.background-description{}.background-highlights{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.highlight-item{text-align:center;padding:25px 15px;background:var(--oc-gray-0);border-radius:12px;transition:all .3s ease}.highlight-item:hover{background:var(--oc-blue-0);transform:translateY(-3px)}.highlight-icon{width:60px;height:60px;background:linear-gradient(135deg,#fcc419 0%,#fab005 100%);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:24px;margin:0 auto 15px}.highlight-item h4{font-size:1rem;font-weight:600;color:var(--oc-gray-8);margin-bottom:8px}.highlight-item p{font-size:.85rem;color:var(--oc-gray-6);margin:0;line-height:1.5}.schedule-table-wrapper{overflow-x:auto;margin-bottom:20px}.schedule-table{width:100%;border-collapse:collapse;min-width:800px}.schedule-table th,.schedule-table td{padding:15px;text-align:left;border-bottom:1px solid var(--oc-gray-2);vertical-align:middle}.schedule-table th{background:var(--oc-gray-0);font-weight:600;color:var(--oc-gray-8)}.schedule-table .course-name{font-weight:600;color:var(--oc-gray-8)}.schedule-table .session-item{font-size:.9rem;color:var(--oc-gray-6);margin-bottom:4px}.schedule-table .session-item:last-child{margin-bottom:0}.schedule-table .session-item i{color:var(--oc-blue-6);margin-right:4px}.schedule-table .session-item.no-session{color:var(--oc-gray-5);font-style:italic}.schedule-table .duration-item{font-size:.9rem;color:var(--oc-gray-6);margin-bottom:4px}.schedule-table .duration-item:last-child{margin-bottom:0}.schedule-table .type-item{font-size:.9rem;color:var(--oc-gray-6);margin-bottom:4px}.schedule-table .type-item:last-child{margin-bottom:0}.badge-level{background:var(--oc-blue-1);color:var(--oc-blue-7);padding:4px 10px;border-radius:20px;font-size:.85rem;font-weight:500}.badge-status{background:var(--oc-green-1);color:var(--oc-green-7);padding:4px 10px;border-radius:20px;font-size:.85rem;font-weight:500}.schedule-note{display:flex;align-items:center;gap:8px;padding:15px 20px;background:var(--oc-yellow-0);border-radius:8px;color:var(--oc-yellow-9);font-size:.9rem}.schedule-note i{font-size:1.1rem}.pricing-table-wrapper{overflow-x:auto;margin-bottom:30px}.pricing-table{width:100%;border-collapse:collapse;min-width:600px}.pricing-table th,.pricing-table td{padding:10px 15px;text-align:left;border-bottom:1px solid var(--oc-gray-2)}.pricing-table th{background:var(--oc-gray-0);font-weight:600;color:var(--oc-gray-8)}.pricing-table .course-name{font-weight:600;color:var(--oc-gray-8);white-space:nowrap;width:400px}.pricing-table .price,.pricing-table .student-price{white-space:nowrap;width:150px}.pricing-table .duration{display:block;font-size:.85rem;color:var(--oc-gray-6);font-weight:400;margin-top:4px}.pricing-table .price{font-size:1rem;font-weight:400;color:var(--oc-red-6)}.pricing-table .student-price{font-size:1rem;font-weight:400;color:var(--oc-orange-6)}.pricing-table .discount-price{font-size:1.2rem;font-weight:700;color:var(--oc-green-6)}.pricing-table .empty-cell{color:var(--oc-gray-5);text-align:left;display:inline-block;min-width:60px}.includes-list{margin:0;padding:0;list-style:none}.includes-list li{font-size:.9rem;color:var(--oc-gray-6);margin-bottom:5px}.includes-list li i{color:var(--oc-green-6);margin-right:5px}.discount-details-list{margin:0;padding:0;list-style:none}.discount-details-list li{font-size:.85rem;color:var(--oc-gray-6);margin-bottom:4px;white-space:nowrap}.discount-details-list li i{color:var(--oc-orange-5);margin-right:5px;font-size:.8rem}.invoice-note{display:flex;align-items:flex-start;gap:10px;margin-top:25px;padding:15px 20px;background:var(--oc-yellow-0);border-left:4px solid var(--oc-yellow-5);border-radius:0 8px 8px 0;font-size:.9rem;color:var(--oc-gray-7)}.invoice-note i{color:var(--oc-yellow-6);margin-top:2px}.discounts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.discount-card{text-align:center;padding:25px;background:var(--oc-gray-0);border-radius:12px;transition:all .3s ease}.discount-card:hover{background:var(--oc-blue-0);transform:translateY(-3px)}.discount-icon{width:56px;height:56px;background:linear-gradient(135deg,var(--oc-orange-5) 0%,var(--oc-orange-6) 100%);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:24px;margin:0 auto 15px}.discount-card h4{font-size:1.1rem;font-weight:600;color:var(--oc-gray-8);margin-bottom:10px}.discount-card p{font-size:.9rem;color:var(--oc-gray-6);margin:0;line-height:1.6}.courses-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.course-card-item{background:#fff;border-radius:12px;box-shadow:0 2px 8px rgba(0,0,0,6%);overflow:hidden;transition:all .3s ease;display:flex;flex-direction:column}.course-card-item:hover{transform:translateY(-5px);box-shadow:0 8px 25px rgba(0,0,0,.12)}.course-card-item .course-image{position:relative;aspect-ratio:2.8/1;overflow:hidden;border-bottom:1px solid var(--oc-gray-2)}.course-card-item .course-image img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}.course-card-item:hover .course-image img{transform:scale(1.05)}.course-card-item .course-header{position:absolute;bottom:10px;left:10px}.course-card-item .course-level.badge{font-size:.85rem;background:rgba(0,123,255,.85)!important;backdrop-filter:blur(2px);color:#fff!important;padding:4px 12px;border-radius:6px}.course-card-item .course-body{padding:12px 20px 20px;display:flex;flex-direction:column;flex-grow:1}.course-card-item .course-body .btn{margin-top:auto}.course-card-item .course-body h4{font-size:1.1rem;font-weight:600;color:var(--oc-gray-8);margin:-12px -20px 12px;line-height:1.4;text-align:center;background:var(--oc-gray-0);padding:10px 20px;border-bottom:1px solid var(--oc-gray-2)}.course-card-item .course-duration{font-size:.9rem;color:var(--oc-gray-6);margin-bottom:8px;text-align:center}.course-card-item .course-duration .duration-item{display:block}.course-card-item .course-sessions{font-size:.9rem;color:var(--oc-gray-6);margin-bottom:8px;display:flex;flex-direction:column;align-items:center}.course-card-item .sessions-icon-wrapper{color:var(--oc-blue-6);margin-bottom:4px}.course-card-item .sessions-list{display:flex;flex-direction:column;align-items:flex-start;gap:4px}.course-card-item .session-item{display:block}.course-card-item .course-sessions.no-session{flex-grow:1;display:flex;align-items:center;justify-content:center;min-height:60px;margin-bottom:8px}.course-card-item .course-sessions.no-session .session-item{color:var(--oc-gray-5);font-style:italic}.registration-notice{margin-bottom:30px}.notice-list{margin:0;padding:0;list-style:none}.notice-list.numbered{counter-reset:notice-counter;background:var(--oc-gray-0);border-radius:8px;padding:15px 20px}.notice-list.numbered li{counter-increment:notice-counter;position:relative;padding:10px 10px 10px 32px;color:var(--oc-gray-7);line-height:1.6;border-bottom:1px solid var(--oc-gray-2)}.notice-list.numbered li::before{content:counter(notice-counter);position:absolute;left:0;top:50%;transform:translateY(-50%);width:20px;height:20px;background:var(--oc-gray-7);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:600}.notice-list.numbered li:last-child{border-bottom:none}.before-class-sections{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.before-class-item{background:var(--oc-gray-0);border-radius:10px;overflow:hidden}.before-class-item .item-header{display:flex;align-items:center;gap:10px;padding:15px 20px;background:var(--oc-gray-7);color:#fff}.before-class-item .item-header i{font-size:1.1rem}.before-class-item .item-header h4{font-size:1rem;font-weight:600;margin:0}.before-class-item .item-content{padding:20px}.before-class-item .item-content p{margin-bottom:10px;font-size:.95rem}.before-class-item .item-content p:last-child{margin-bottom:0}.before-class-item .item-content .highlight{background:var(--oc-yellow-0);padding:10px 15px 10px 0;border-radius:6px;margin-top:10px;font-size:.85rem;color:var(--oc-gray-6)}.before-class-item .item-content .highlight i{color:var(--oc-yellow-6);margin-right:5px}.contact-description{color:var(--oc-gray-6);margin-bottom:20px}.instructors-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:25px}.instructor-card{text-align:center;padding:25px;background:var(--oc-gray-0);border-radius:12px;transition:all .3s ease}.instructor-card:hover{background:var(--oc-blue-0);transform:translateY(-3px)}.instructor-icon{display:none}.instructor-card h4{font-size:1.2rem;font-weight:600;color:var(--oc-gray-8);margin-bottom:5px}.instructor-role{font-size:.85rem;color:var(--oc-gray-6);margin-bottom:10px;display:flex;flex-direction:column;gap:2px}.instructor-role .role-item{display:block}.instructor-phone{font-size:.95rem;color:var(--oc-blue-6);font-weight:500;margin:0}.instructor-phone i{margin-right:5px}.contact-email{display:flex;align-items:center;justify-content:center;gap:10px;padding:15px;background:var(--oc-gray-0);border-radius:8px;margin-bottom:25px}.contact-email i{color:var(--oc-blue-6)}.registration-btn-wrapper{text-align:center;margin-bottom:25px}.btn-wechat-registration{display:inline-flex;align-items:center;gap:10px;padding:14px 32px;background:linear-gradient(135deg,#07c160 0%,#05a050 100%);color:#fff!important;font-size:1rem;font-weight:600;border-radius:8px;text-decoration:none!important;transition:all .3s ease;box-shadow:0 4px 12px rgba(7,193,96,.3)}.btn-wechat-registration:hover{transform:translateY(-2px);box-shadow:0 6px 16px rgba(7,193,96,.4)}.btn-wechat-registration i{font-size:1.1rem}.registration-qr{text-align:center;padding:25px;background:var(--oc-gray-1);border-radius:12px}.qr-tip{color:var(--oc-gray-7);margin-bottom:15px}.qr-tip i{color:var(--oc-blue-6);margin-right:5px}.qr-code img{width:180px;height:180px;border-radius:10px;box-shadow:0 4px 12px rgba(0,0,0,.1)}.certification-content{display:flex;flex-direction:column;gap:25px}.certification-description{}.certification-image{text-align:center}.certification-image img{max-width:100%;border-radius:8px;box-shadow:0 4px 12px rgba(0,0,0,.1)}@media(max-width:1200px){.courses-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:992px){.artc-tabs{top:60px}.background-highlights{grid-template-columns:repeat(2,1fr)}.discounts-grid{grid-template-columns:repeat(2,1fr)}.before-class-sections{grid-template-columns:1fr}.instructors-grid{grid-template-columns:1fr}}@media(max-width:768px){.page-header{padding:60px 0 40px}.page-header h1{font-size:2rem}.artc-tabs{padding:8px 10px}.tab-link{padding:12px 10px;font-size:.85rem}.tab-text-full{display:none}.tab-text-short{display:inline}.artc-heading{font-size:1.3rem}.heading-icon{width:36px;height:36px;font-size:16px}.artc-card{padding:20px}.courses-grid{grid-template-columns:1fr}.background-highlights{grid-template-columns:1fr}.discounts-grid{grid-template-columns:1fr}.subsection-title{font-size:1.1rem}}@media(max-width:480px){.pricing-table .price,.pricing-table .discount-price{font-size:1rem}.instructor-card{padding:20px}.qr-code img{width:150px;height:150px}}