:root{color-scheme:light;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#131722;background:#f4f6f8;font-synthesis:none;--ink: #131722;--muted: #687083;--line: #dfe3e9;--paper: #ffffff;--blue: #146ef5;--green: #16835b;--amber: #bd650d}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;background:#f4f6f8}button,input,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}svg{flex:0 0 auto}.app-shell{min-height:100vh}.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;min-height:72px;padding:12px max(20px,calc((100vw - 1160px)/2));border-bottom:1px solid rgba(223,227,233,.9);background:#fffffff0;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.brand{display:inline-flex;align-items:center;gap:11px}.brand img{width:44px;height:44px;border-radius:8px;object-fit:cover}.brand span,.brand strong,.brand small{display:block}.brand strong{font-size:17px;line-height:1.15}.brand small{margin-top:3px;color:var(--muted);font-size:12px}.site-header nav{display:flex;align-items:center;gap:6px;color:#4c5566;font-size:14px;font-weight:700}.site-header nav a,.site-header nav button{min-height:40px;padding:8px 12px;border:0;border-radius:6px;background:transparent;color:inherit;cursor:pointer}.site-header nav a:hover,.site-header nav button:hover{background:#f0f3f6;color:var(--ink)}.site-header nav button{display:inline-flex;align-items:center;gap:7px}main{width:min(1160px,calc(100% - 40px));margin:0 auto}.shop-intro{display:grid;grid-template-columns:minmax(0,1fr) 390px;gap:56px;align-items:center;min-height:410px;padding:54px 0 44px}.eyebrow{margin:0 0 12px;color:var(--blue);font-size:12px;font-weight:900;text-transform:uppercase}h1,h2,h3,p{overflow-wrap:anywhere}h1{margin:0;max-width:720px;font-size:clamp(40px,6vw,68px);line-height:1.05;letter-spacing:0}.intro-copy>p:not(.eyebrow){max-width:690px;margin:22px 0 0;color:#50596a;font-size:18px;line-height:1.8}.trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}.trust-row span{display:inline-flex;align-items:center;gap:7px;min-height:38px;padding:8px 11px;border:1px solid var(--line);border-radius:6px;background:var(--paper);color:#424a5a;font-size:13px;font-weight:750}.trust-row svg{width:17px;color:var(--green)}.service-brief{padding:24px;border:1px solid var(--line);border-top:4px solid var(--ink);border-radius:8px;background:var(--paper);box-shadow:0 20px 50px #161f2d14}.brief-head{display:flex;align-items:center;gap:10px;margin-bottom:16px}.brief-head svg{color:var(--blue)}.service-brief p{margin:10px 0;color:#566073;line-height:1.7}.service-brief b{color:var(--ink)}.service-brief a{display:inline-flex;align-items:center;gap:4px;margin-top:12px;color:var(--blue);font-weight:850}.catalog,.service-section{padding:48px 0 58px;border-top:1px solid var(--line)}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}.section-heading h2{margin:0;font-size:30px;line-height:1.2}.section-heading>p{margin:0;color:var(--muted);font-size:14px}.segments{display:flex;gap:8px;margin-bottom:24px;overflow-x:auto;scrollbar-width:none}.segments::-webkit-scrollbar{display:none}.segments button{min-width:max-content;min-height:42px;padding:9px 15px;border:1px solid var(--line);border-radius:6px;background:var(--paper);color:#596274;font-weight:750;cursor:pointer}.segments button.active{border-color:var(--ink);background:var(--ink);color:#fff}.product-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.product-row{display:grid;grid-template-columns:46px minmax(0,1fr) auto;grid-template-areas:"icon copy price" "icon copy button";gap:4px 14px;align-items:center;min-height:142px;padding:18px;border:1px solid var(--line);border-radius:8px;background:var(--paper);transition:border-color .16s ease,box-shadow .16s ease}.product-row:hover{border-color:#b8c0cc;box-shadow:0 12px 28px #161f2d12}.product-symbol{grid-area:icon;display:grid;place-items:center;width:46px;height:46px;border-radius:8px;background:#edf4ff;color:var(--blue)}.product-chatgpt .product-symbol{background:#e9f7f1;color:var(--green)}.product-claude .product-symbol{background:#fff2e5;color:var(--amber)}.product-grok .product-symbol{background:#eef0f3;color:#202733}.product-copy{grid-area:copy;min-width:0}.product-meta{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:12px;font-weight:800}.product-meta b{padding:2px 6px;border-radius:4px;background:#e8f6ef;color:var(--green)}.product-copy h3{margin:5px 0 2px;font-size:17px;line-height:1.3}.product-copy p{margin:0;color:var(--muted);font-size:13px}.product-price{grid-area:price;display:flex;align-items:start;justify-content:end;color:var(--ink)}.product-price small{margin-top:3px;font-weight:800}.product-price strong{font-size:27px;line-height:1}.buy-button{grid-area:button;align-self:end;display:inline-flex;align-items:center;justify-content:center;gap:3px;min-height:38px;padding:7px 10px;border:0;border-radius:6px;background:#eef4ff;color:#0e59c9;font-size:13px;font-weight:850;cursor:pointer}.buy-button:hover{background:var(--blue);color:#fff}.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin:0;padding:0;list-style:none;border:1px solid var(--line);border-radius:8px;background:var(--paper);overflow:hidden}.steps li{display:flex;gap:14px;min-height:120px;padding:22px;border-right:1px solid var(--line)}.steps li:last-child{border-right:0}.steps strong{color:var(--blue);font-size:13px}.steps span,.steps b{display:block}.steps span{color:var(--muted);font-size:13px;line-height:1.6}.steps b{margin-bottom:5px;color:var(--ink);font-size:15px}footer{display:flex;justify-content:space-between;gap:20px;padding:24px max(20px,calc((100vw - 1160px)/2));border-top:1px solid var(--line);background:var(--paper);color:var(--muted);font-size:13px}.dialog-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:grid;place-items:center;padding:20px;background:#12161f94}.dialog{position:relative;width:min(500px,100%);max-height:calc(100vh - 40px);overflow:auto;padding:28px;border-radius:8px;background:var(--paper);box-shadow:0 30px 80px #0000003d}.dialog h2{margin:0;padding-right:40px;font-size:27px}.icon-button{display:grid;place-items:center;width:40px;height:40px;border:1px solid var(--line);border-radius:50%;background:#fff;color:var(--ink);cursor:pointer}.close-button{position:absolute;top:20px;right:20px}.checkout-price{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:22px;padding:16px;border:1px solid var(--line);border-radius:6px;background:#f8f9fb}.checkout-price span{color:var(--muted)}.checkout-price strong{font-size:28px}.checkout-points{margin:20px 0;padding:0;list-style:none}.checkout-points li{display:flex;align-items:center;gap:9px;margin:10px 0;color:#4d5668}.checkout-points svg{width:18px;color:var(--green)}.confirm-button{width:100%;min-height:52px;border:0;border-radius:6px;background:var(--blue);color:#fff;font-size:16px;font-weight:850;cursor:pointer}.confirm-button:disabled{cursor:wait;opacity:.65}.confirm-button svg{width:19px;margin-right:7px;vertical-align:-4px}.dialog-note{display:flex;align-items:flex-start;gap:8px;margin:14px 0 0;color:var(--muted);font-size:12px}.dialog-note svg{width:16px}.spin{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.checkout-dialog{width:min(560px,100%)}.order-identifiers{display:grid;gap:8px;margin:20px 0 12px}.order-identifiers>div{display:grid;grid-template-columns:76px minmax(0,1fr) 34px;align-items:center;min-height:46px;padding:7px 9px 7px 12px;border:1px solid var(--line);border-radius:6px;background:#f8f9fb}.order-identifiers span{color:var(--muted);font-size:13px}.order-identifiers strong{min-width:0;overflow-wrap:anywhere;font-size:14px}.order-identifiers button{display:grid;place-items:center;width:32px;height:32px;border:0;border-radius:5px;background:#e8edf3;color:#4d5868;cursor:pointer}.order-identifiers svg{width:16px}.text-button{width:100%;min-height:42px;margin-top:8px;border:0;background:transparent;color:var(--blue);font-weight:800;cursor:pointer}.payment-qr{display:flex;flex-direction:column;align-items:center;padding:16px;border:1px solid var(--line);border-radius:6px}.payment-qr img{width:min(230px,80%);aspect-ratio:1;object-fit:contain}.payment-qr strong{margin-top:10px}.payment-qr span{margin-top:3px;color:var(--muted);font-size:12px}.paid-banner{display:flex;align-items:center;gap:12px;margin:18px 0;padding:14px;border:1px solid #bfe0d1;border-radius:6px;background:#eff9f4;color:var(--green)}.paid-banner svg{width:28px;height:28px}.paid-banner strong,.paid-banner span{display:block}.paid-banner span{margin-top:2px;color:#527061;font-size:12px}.field{display:grid;gap:7px;margin:16px 0}.field>span{color:#384152;font-size:13px;font-weight:800}.field input,.field textarea,.admin-filters input,.admin-filters select,.admin-order-actions input,.admin-order-actions select,.admin-products input{width:100%;min-height:46px;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--ink);padding:10px 12px;outline:none}.field textarea{min-height:84px;resize:vertical}.field input:focus,.field textarea:focus,.admin-filters input:focus,.admin-filters select:focus,.admin-order-actions input:focus,.admin-order-actions select:focus,.admin-products input:focus{border-color:var(--blue);box-shadow:0 0 0 3px #146ef51a}.field small{color:var(--muted);font-size:12px;line-height:1.5}.check-field{display:flex;align-items:flex-start;gap:9px;margin:16px 0;padding:12px;border:1px solid #efd2b8;border-radius:6px;background:#fffaf4;color:#614b35;font-size:13px;font-weight:700}.check-field input{width:18px;height:18px;margin:1px 0 0;accent-color:var(--blue)}.post-pay-contact{display:grid;grid-template-columns:132px minmax(0,1fr);gap:16px;align-items:center;margin:18px 0;padding:14px;border:1px solid #efd2b8;border-left:4px solid var(--amber);border-radius:6px;background:#fffaf4}.post-pay-contact img{width:132px;aspect-ratio:1;border-radius:4px;object-fit:cover}.post-pay-contact strong{display:block;font-size:17px}.post-pay-contact p{margin:7px 0 0;color:#6d553e;line-height:1.7}.compact-contact{grid-template-columns:82px minmax(0,1fr)}.compact-contact img{width:82px}.form-message{margin:14px 0 0;padding:11px 12px;border-radius:5px;background:#fff0ef;color:#a13a32;font-size:13px}.form-intro{margin:8px 0 18px;color:var(--muted)}.success-mark{display:grid;place-items:center;width:74px;height:74px;margin:22px auto;border-radius:50%;background:#eaf8f1;color:var(--green)}.success-mark svg{width:42px;height:42px}.order-summary{margin:0 0 18px;border:1px solid var(--line);border-radius:6px;overflow:hidden}.order-summary>div{display:grid;grid-template-columns:100px minmax(0,1fr);gap:14px;padding:11px 13px;border-bottom:1px solid var(--line)}.order-summary>div:last-child{border-bottom:0}.order-summary span{color:var(--muted);font-size:13px}.order-summary strong{text-align:right;overflow-wrap:anywhere;font-size:13px}.orders-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.orders-heading .eyebrow{margin-bottom:8px}.refresh-orders{margin-right:48px;border-radius:6px}.refresh-orders:disabled{cursor:wait;opacity:.6}.my-orders-list{display:grid;gap:8px;margin-top:22px}.my-order-item{display:grid;grid-template-columns:minmax(0,1fr) auto 20px;gap:12px;align-items:center;width:100%;min-height:78px;padding:13px 12px 13px 15px;border:1px solid var(--line);border-radius:7px;background:#fff;color:var(--ink);text-align:left;cursor:pointer}.my-order-item:hover{border-color:#b7c0cc;background:#f8f9fb}.my-order-item:disabled{cursor:default;opacity:.68}.my-order-main,.my-order-side,.my-order-main strong,.my-order-main small,.my-order-side strong,.my-order-side small{display:block;min-width:0}.my-order-main strong{overflow-wrap:anywhere;font-size:15px}.my-order-main small{margin-top:5px;overflow-wrap:anywhere;color:var(--muted);font-size:11px}.my-order-side{text-align:right}.my-order-side>strong{font-size:15px}.order-status{margin-top:5px;color:var(--muted);font-size:11px;white-space:nowrap}.status-paid,.status-info_submitted,.status-processing{color:var(--amber)}.status-completed{color:var(--green)}.status-payment_failed,.status-cancelled,.status-refunded,.status-abnormal{color:#a13a32}.my-order-item>svg{width:18px;color:#8b94a3}.empty-orders{display:grid;justify-items:center;padding:46px 20px 34px;text-align:center;color:var(--muted)}.empty-orders>svg{width:34px;height:34px;margin-bottom:12px;color:#9aa3b1}.empty-orders strong{color:var(--ink)}.empty-orders p{margin:7px 0 0;font-size:13px}.admin-loading{display:flex;align-items:center;justify-content:center;gap:10px;min-height:100vh;color:var(--muted)}.admin-login-page{display:grid;place-items:center;min-height:100vh;width:100%;padding:20px}.admin-login{width:min(420px,100%);padding:32px;border:1px solid var(--line);border-radius:8px;background:#fff;box-shadow:0 24px 70px #161f2d1f}.admin-login>img{width:58px;height:58px;margin-bottom:18px;border-radius:8px;object-fit:cover}.admin-login h1{font-size:30px}.admin-header{display:flex;align-items:center;justify-content:space-between;min-height:72px;padding:12px max(20px,calc((100vw - 1240px)/2));border-bottom:1px solid var(--line);background:#fff}.admin-header>div{display:flex;gap:8px}.admin-header button,.admin-tabs button,.admin-filters button,.admin-order-actions button,.admin-products button{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:40px;border:1px solid var(--line);border-radius:6px;background:#fff;color:#394354;font-weight:800;cursor:pointer}.admin-header button{width:42px;font-size:0}.admin-header svg,.admin-tabs svg,.admin-filters svg,.admin-products svg{width:17px}.admin-main{width:min(1240px,calc(100% - 40px));margin:0 auto;padding:36px 0 60px}.admin-title{display:flex;align-items:center;justify-content:space-between}.admin-title h1{font-size:38px}.stats-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin:24px 0}.stats-grid>div{padding:16px;border:1px solid var(--line);border-radius:6px;background:#fff}.stats-grid span,.stats-grid strong{display:block}.stats-grid span{color:var(--muted);font-size:12px}.stats-grid strong{margin-top:8px;font-size:24px}.admin-tabs{display:flex;gap:8px;margin:24px 0 14px}.admin-tabs button{padding:8px 14px}.admin-tabs button.active{border-color:var(--ink);background:var(--ink);color:#fff}.admin-filters{display:grid;grid-template-columns:minmax(200px,1fr) 170px 170px 90px;gap:8px;margin-bottom:12px}.admin-filters button{background:var(--blue);color:#fff;border-color:var(--blue)}.admin-order-list{display:grid;gap:10px}.admin-order{padding:18px;border:1px solid var(--line);border-radius:7px;background:#fff}.admin-order-head{display:flex;justify-content:space-between;gap:20px;padding-bottom:12px;border-bottom:1px solid var(--line)}.admin-order-head div{display:flex;align-items:center;gap:10px}.admin-order-head span{padding:3px 7px;border-radius:4px;background:#eef4ff;color:#155dbd;font-size:12px;font-weight:800}.admin-order-head>b{font-size:20px}.admin-order-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 28px;padding:14px 0}.admin-order-grid>div{display:grid;grid-template-columns:84px minmax(0,1fr);gap:10px}.admin-order-grid span{color:var(--muted);font-size:12px}.admin-order-grid strong{overflow-wrap:anywhere;font-size:13px}.admin-order-actions{display:grid;grid-template-columns:170px minmax(0,1fr) 100px;gap:8px}.admin-order-actions button{padding:8px 12px}.empty-state{padding:60px 20px;border:1px dashed #c8ced7;border-radius:6px;text-align:center;color:var(--muted)}.admin-products{display:grid;gap:8px}.admin-products article{display:grid;grid-template-columns:minmax(240px,1fr) 160px 90px 90px;gap:16px;align-items:center;padding:14px 16px;border:1px solid var(--line);border-radius:6px;background:#fff}.admin-products article>div span,.admin-products article>div strong,.admin-products article>div small{display:block}.admin-products article>div span,.admin-products article>div small{color:var(--muted);font-size:11px}.admin-products article>div strong{margin:2px 0}.admin-products label>span{display:block;margin-bottom:3px;color:var(--muted);font-size:11px}.admin-products .switch-label{display:flex;align-items:center;gap:6px}.admin-products .switch-label input{width:18px;min-height:18px;accent-color:var(--blue)}.admin-products .switch-label span{margin:0}.admin-message{position:fixed;right:20px;bottom:20px;z-index:10;padding:10px 14px;border-radius:6px;background:var(--ink);color:#fff;font-size:13px}@media(max-width:880px){.shop-intro{grid-template-columns:1fr;gap:24px;min-height:0;padding-top:42px}.product-grid{grid-template-columns:1fr}.steps{grid-template-columns:repeat(2,minmax(0,1fr))}.steps li:nth-child(2){border-right:0}.steps li:nth-child(-n+2){border-bottom:1px solid var(--line)}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.admin-filters{grid-template-columns:1fr 1fr}.admin-products article{grid-template-columns:1fr 150px 80px}.admin-products article>button{grid-column:1 / -1}}@media(max-width:640px){.site-header{min-height:64px;padding:10px 16px}.brand img{width:40px;height:40px}.site-header nav a{display:none}.site-header nav button{padding:8px;font-size:0}main{width:min(100% - 28px,1160px)}.shop-intro{padding:34px 0}h1{font-size:42px}.intro-copy>p:not(.eyebrow){font-size:16px}.service-brief{padding:20px}.catalog,.service-section{padding:36px 0 44px}.section-heading{align-items:start;flex-direction:column}.section-heading h2{font-size:27px}.product-row{grid-template-columns:42px minmax(0,1fr) auto;min-height:150px;padding:15px;gap:5px 11px}.product-symbol{width:42px;height:42px}.product-price strong{font-size:24px}.steps{grid-template-columns:1fr}.steps li,.steps li:nth-child(2){min-height:92px;border-right:0;border-bottom:1px solid var(--line)}.steps li:last-child{border-bottom:0}footer{flex-direction:column;padding:22px 16px}.dialog-backdrop{align-items:end;padding:0}.dialog{width:100%;max-height:92vh;border-radius:8px 8px 0 0;padding:24px 20px}.post-pay-contact{grid-template-columns:92px minmax(0,1fr)}.post-pay-contact img{width:92px}.post-pay-contact strong{font-size:15px}.post-pay-contact p{font-size:13px}.my-order-item{grid-template-columns:minmax(0,1fr) auto 16px;gap:8px;padding-left:12px}.my-order-main strong{font-size:14px}.my-order-side>strong{font-size:14px}.admin-main{width:min(100% - 24px,1240px);padding-top:24px}.admin-title h1{font-size:32px}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.admin-filters,.admin-order-grid,.admin-order-actions{grid-template-columns:1fr}.admin-products article{grid-template-columns:1fr}.admin-header{padding:10px 12px}}