:root{--paper:#f3f6fc;--white:#fff;--ink:#1f2c45;--muted:#748099;--blue:#416bdf;--blue-soft:#edf2ff;--line:#e4e9f2;--green:#416bdf;color-scheme:light;font-family:"Microsoft YaHei UI","PingFang SC",system-ui,sans-serif;color:var(--ink);background:var(--paper)}
*{box-sizing:border-box}body{margin:0}h1,h2,h3,h4,p{margin:0}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #9cb6ff;outline-offset:4px}input,select{width:100%;min-width:0;border:1px solid var(--line);border-radius:12px;padding:14px;background:#fff;color:var(--ink);font-size:16px}input:focus,select:focus{outline:2px solid #b3c6ff;border-color:var(--blue)}input[type=checkbox]{width:20px;height:20px;flex-shrink:0;accent-color:var(--blue)}[hidden]{display:none!important}
.site-header{max-width:1180px;margin:auto;min-height:108px;padding:28px 32px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{font-size:30px;font-weight:800;letter-spacing:1px}.progress-link{display:flex;align-items:center;justify-content:center;gap:16px;min-height:48px;padding:0 20px;border:1px solid var(--line);border-radius:14px;background:var(--white);font-size:15px;font-weight:600}.progress-link span{color:var(--blue);font-size:22px}.page-shell{max-width:1180px;margin:auto;padding:4px 32px 0}.catalog-toolbar{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:28px}.filter-row{display:flex;flex-wrap:wrap;gap:8px}.filter-chip{min-height:46px;border:0;border-radius:13px;padding:10px 18px;font-size:15px;background:transparent;color:var(--muted);white-space:nowrap}.filter-chip:hover{background:#e8edf8}.filter-chip[aria-pressed=true]{background:var(--ink);color:#fff}.search-box{display:flex;align-items:center;gap:10px;width:230px;flex-shrink:0;background:var(--white);border:1px solid var(--line);border-radius:14px;padding:0 14px}.search-box svg{width:20px;height:20px;fill:none;stroke:var(--muted);stroke-width:1.7;flex-shrink:0}.search-box input{border:0;background:transparent;padding:13px 0;font-size:15px}.search-box input:focus{outline:0}.search-box:focus-within{outline:2px solid #b3c6ff}.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.product-card{min-width:0;display:flex;flex-direction:column;min-height:260px;background:var(--white);border:1px solid #e8edf5;border-radius:24px;padding:26px;box-shadow:0 5px 18px #30487003;transition:transform .18s,box-shadow .18s}.product-card:hover{transform:translateY(-3px);box-shadow:0 12px 28px #3048700b}.card-heading{display:flex;align-items:center;gap:15px}.platform-icon{width:52px;height:52px;border-radius:15px;object-fit:contain;flex-shrink:0;background:#fff}.card-heading h2{font-size:19px;line-height:1.5;letter-spacing:-.4px}.card-description{font-size:15px;line-height:1.85;color:var(--muted);margin:21px 0 25px;overflow-wrap:anywhere}.card-bottom{margin-top:auto;display:flex;justify-content:space-between;align-items:center;gap:12px}.card-price{font-family:"Bahnschrift","Microsoft YaHei",sans-serif;font-size:18px;font-weight:600;white-space:nowrap}.card-action{border:0;border-radius:13px;min-height:48px;padding:12px 17px;color:var(--blue);background:var(--blue-soft);font-size:15px;font-weight:600;white-space:nowrap}.card-action span{margin-left:9px}.card-action:hover{background:#dde7ff}.notice{padding:32px;border:1px dashed #cad4e6;border-radius:18px;color:var(--muted);font-size:16px}.site-footer{max-width:1180px;margin:28px auto;padding:0 32px 24px;display:flex;justify-content:flex-end;color:var(--muted);font-size:14px}.site-footer a{padding:12px 0 12px 20px}
dialog{width:min(660px,calc(100% - 32px));max-height:90dvh;padding:0;border:1px solid var(--line);border-radius:24px;background:var(--white);color:var(--ink);box-shadow:0 24px 100px #1f2c4530}dialog::backdrop{background:#1e2c4b66;backdrop-filter:blur(5px)}.dialog-heading{display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:2;background:white;border-bottom:1px solid var(--line);padding:14px 24px;color:var(--muted);font-size:15px}.icon-button{border:0;border-radius:12px;width:44px;height:44px;background:var(--paper);color:var(--muted);font-size:28px}.dialog-body{padding:28px}.detail-title{display:flex;align-items:center;gap:16px}.detail-title h2{font-size:25px;line-height:1.5}.detail-price{font-family:"Bahnschrift","Microsoft YaHei",sans-serif;font-size:23px;font-weight:600;color:var(--blue);margin-top:20px}.service-description{font-size:16px;line-height:1.9;color:var(--muted);margin:12px 0 20px}.segmented{display:flex;gap:8px;margin:12px 0;flex-wrap:wrap}.segmented button{flex:1;min-height:48px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--muted);font-size:16px;padding:10px 16px}.segmented button[aria-pressed=true]{background:var(--blue-soft);border-color:#9db5fb;color:var(--blue);font-weight:600}#query-form{border-top:1px solid var(--line);padding-top:4px;margin-top:22px}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:20px}.field-grid label{font-size:15px;line-height:1.8}.field-grid input,.field-grid select{display:block;margin-top:8px}.privacy-note,.source-note{font-size:14px;line-height:1.8;color:var(--muted);margin-top:12px}.primary-button{min-height:50px;border:0;border-radius:13px;background:var(--blue);color:#fff;font-size:16px;font-weight:600;padding:14px 22px}.query-button{width:100%;min-height:56px;margin-top:20px;display:flex;align-items:center;justify-content:center;gap:18px;font-size:17px}.query-message{font-size:15px;line-height:1.8;color:var(--blue);margin-top:18px;overflow-wrap:anywhere}.course-heading{display:flex;align-items:center;justify-content:space-between;margin:24px 0 8px}.course-heading h3{font-size:18px}.text-button{min-height:44px;border:0;background:transparent;color:var(--blue);font-size:15px;padding:10px}.course-item{display:flex;align-items:center;gap:12px;padding:16px 0;border-bottom:1px solid var(--line);font-size:16px}.course-item span{flex:1;overflow-wrap:anywhere}.course-item small{color:var(--muted);font-size:15px;white-space:nowrap}details{margin-top:16px}summary{cursor:pointer;padding:14px 0;font-size:15px}.source-options h4{margin-top:18px;font-size:16px}.remarks-list{display:flex;flex-wrap:wrap;gap:8px}.option-chip{display:flex;align-items:center;gap:8px;padding:10px 12px;font-size:14px;border:1px solid var(--line);border-radius:10px}.checkout-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:24px;padding-top:22px;border-top:1px solid var(--line)}.checkout-bar>div{display:flex;flex-direction:column;gap:6px;font-size:15px;color:var(--muted)}.checkout-bar strong{font-size:24px;color:var(--ink)}
.admin-shell{max-width:1180px;margin:28px auto;padding:0 32px}.admin-heading{display:flex;justify-content:space-between;gap:18px;align-items:center;margin-bottom:24px}.admin-heading h2{font-size:27px}.admin-heading p{font-size:14px;line-height:1.8;color:var(--muted);margin-top:10px}.admin-login{max-width:460px;margin:60px auto;background:white;border:1px solid var(--line);padding:32px;border-radius:24px}.admin-login h1{font-size:27px}.admin-login label{display:block;font-size:16px;margin:24px 0 18px}.admin-login input{margin-top:10px}.admin-login .primary-button{width:100%}.eyebrow{font-size:14px;color:var(--blue);margin-bottom:12px}.brand-note{font-size:15px;color:var(--muted);font-weight:400;margin-left:14px}.brand-mark{display:none}.admin-toolbar{display:flex;flex-wrap:wrap;gap:12px;margin:20px 0}.secondary-button{min-height:50px;background:white;border:1px solid var(--line);border-radius:13px;padding:12px 18px;color:var(--blue);font-size:15px}.admin-warning{background:#fff7e6;border:1px solid #efdfb8;border-radius:14px;padding:16px 20px;font-size:14px;line-height:1.8;color:#715e2d}.status-text{margin:16px 0;font-size:15px;line-height:1.8;color:var(--blue)}.admin-table-wrap{overflow:auto;border:1px solid var(--line);border-radius:18px;background:white}.admin-table{border-collapse:collapse;width:100%;text-align:left;font-size:15px;min-width:760px}.admin-table th{padding:18px;background:var(--blue-soft);font-size:14px;font-weight:500;color:var(--muted)}.admin-table td{padding:18px;border-top:1px solid var(--line);vertical-align:top}.admin-table th:first-child{min-width:260px}.admin-table input[type=number]{width:130px}.description-text{font-size:14px;line-height:1.9;white-space:pre-wrap;overflow-wrap:anywhere;max-width:580px;max-height:280px;overflow:auto;background:var(--paper);padding:16px;border-radius:12px}.admin-table details summary{font-size:14px}
@media(max-width:1000px){.product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.catalog-toolbar{align-items:flex-start;flex-direction:column;gap:16px}.search-box{width:100%}.filter-row{width:100%}}
@media(max-width:600px){.site-header{min-height:94px;padding:22px 20px}.brand{font-size:26px}.brand-note{display:none}.progress-link{min-height:46px;padding:0 15px;gap:9px;font-size:14px}.page-shell{padding:2px 20px 0}.catalog-toolbar{gap:14px;margin-bottom:20px}.filter-row{gap:3px;flex-wrap:nowrap;overflow:auto;padding-bottom:2px}.filter-chip{min-height:44px;padding:10px 13px;font-size:14px}.product-grid{grid-template-columns:1fr;gap:16px}.product-card{padding:23px;min-height:220px;border-radius:21px}.card-heading h2{font-size:20px}.platform-icon{width:50px;height:50px}.card-description{margin:18px 0 22px;font-size:15px}.card-action{min-height:48px;padding:12px 19px;font-size:16px}.site-footer{padding:0 20px 20px}.dialog-heading{padding:12px 18px}.dialog-body{padding:22px}.detail-title h2{font-size:22px}.field-grid{grid-template-columns:1fr;gap:16px}dialog{width:calc(100% - 20px);max-height:94dvh;border-radius:21px}.checkout-bar .primary-button{font-size:14px;padding:12px 16px}.admin-shell{padding:0 20px}.admin-heading{align-items:flex-start}.admin-login{margin:35px 20px;padding:26px}.admin-toolbar>button{flex:1 1 auto}.admin-warning{font-size:14px}.source-note{font-size:14px}}
.payment-shell{max-width:1000px;margin:0 auto;padding:8px 24px 40px}.payment-setup{display:grid;grid-template-columns:1fr 1fr;gap:20px}.payment-card{min-width:0;margin-top:20px;padding:24px;border:1px solid var(--line);border-radius:20px;background:var(--white)}.payment-card h2{font-size:20px}.payment-card>.primary-button,.payment-card>.secondary-button{margin-top:20px;width:100%}.file-label{display:block;font-size:14px;margin-top:18px;line-height:1.8}.file-label input{margin-top:8px;font-size:14px;padding:10px}.receipt-image{display:block;max-width:100%;width:240px;max-height:300px;object-fit:contain;margin:16px auto}.payment-confirm{display:flex;align-items:flex-start;gap:10px;font-size:14px;line-height:1.8;margin-top:18px}.test-order{padding:22px 0;border-top:1px solid var(--line);margin-top:16px}.test-order-heading{display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;font-size:15px}.test-order-heading>span{color:var(--blue)}.order-id{font-size:13px;color:var(--muted);overflow-wrap:anywhere;margin-top:10px}.payment-amount{font-size:32px;font-weight:700;margin-top:14px}.test-order details p{overflow-wrap:anywhere}
@media(max-width:650px){.payment-setup{grid-template-columns:1fr}.payment-shell{padding:8px 16px 32px}.payment-card{padding:20px}.payment-card .course-heading{gap:12px;align-items:flex-start}}
.real-order-summary{margin:18px 0;padding:16px;border:1px solid #b9caff;border-radius:14px;background:var(--blue-soft);font-size:14px;line-height:1.8;overflow-wrap:anywhere}.real-order-summary strong{display:block;font-size:18px;color:var(--blue)}.real-order-summary p{margin-top:7px}.real-order-summary a{display:inline-block;margin-top:8px;padding:6px 0;color:var(--blue);text-decoration:underline}.real-order-summary[data-status=notification_matched]{border-color:#b3dac9;background:#eff9f4}.real-order-summary[data-status=notification_matched] strong{color:#256549}.test-order{scroll-margin-top:24px}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
[hidden]{display:none!important}
.receipt-section{padding-top:20px;padding-bottom:30px}.receipt-section form{display:grid;gap:14px}.receipt-section .secondary-button{justify-self:start}.review-card{border:1px solid var(--line,#ddd);border-radius:14px;padding:20px;margin:14px 0;overflow-wrap:anywhere}.review-card h3{margin:0 0 10px}.processing-details{white-space:pre-wrap;overflow-wrap:anywhere;padding:14px;background:#f6f4ef;border-radius:10px}.review-card ul{padding-left:20px}#order-message{overflow-wrap:anywhere}#order-lookup input{max-width:100%;min-width:0}