:root{color-scheme:light;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;--bg: #f6f8fb;--surface: #ffffff;--surface-soft: #f9fbff;--surface-raised: #ffffff;--text: #111318;--text-soft: #586174;--text-muted: #7b8496;--border: #dde3ec;--border-strong: #c8d1df;--primary: #246df2;--primary-hover: #175bd5;--primary-soft: #edf4ff;--success: #11875d;--success-soft: #eaf8f2;--warning: #d26a13;--warning-soft: #fff6e9;--danger: #c53c48;--danger-soft: #fff0f2;--shadow: 0 8px 28px rgba(20, 35, 65, .07);--shadow-small: 0 3px 14px rgba(20, 35, 65, .06)}:root[data-theme=dark]{color-scheme:dark;--bg: #121417;--surface: #1a1d22;--surface-soft: #20242a;--surface-raised: #1d2025;--text: #f4f6f8;--text-soft: #b8bec9;--text-muted: #929baa;--border: #303640;--border-strong: #424b58;--primary: #72a4ff;--primary-hover: #8bb4ff;--primary-soft: #1c2b45;--success: #68d5aa;--success-soft: #17372c;--warning: #ffad63;--warning-soft: #3a291c;--danger: #ff8e98;--danger-soft: #3c2227;--shadow: 0 10px 30px rgba(0, 0, 0, .28);--shadow-small: 0 4px 16px rgba(0, 0, 0, .22)}*{box-sizing:border-box;letter-spacing:0}html{min-width:320px;background:var(--bg)}body{min-width:320px;min-height:100vh;margin:0;color:var(--text);background:var(--bg)}button,input,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{color:inherit}input,textarea{width:100%;min-height:46px;border:1px solid var(--border-strong);border-radius:6px;outline:none;color:var(--text);background:var(--surface);transition:border-color .15s ease,box-shadow .15s ease,background .15s ease}input{padding:0 14px}textarea{min-height:104px;padding:13px 14px;line-height:1.55;resize:vertical}input::placeholder,textarea::placeholder{color:var(--text-muted)}input:focus,textarea:focus,button:focus-visible,a:focus-visible{outline:3px solid color-mix(in srgb,var(--primary) 25%,transparent);outline-offset:2px;border-color:var(--primary)}.app-shell{display:flex;min-height:100vh;flex-direction:column}.site-main{flex:1}.page-width{width:min(1180px,calc(100% - 40px));margin-inline:auto}.site-header{position:relative;z-index:20;height:64px;border-bottom:1px solid var(--border);background:color-mix(in srgb,var(--surface) 96%,transparent)}.header-inner{display:grid;width:min(1400px,calc(100% - 40px));height:100%;margin-inline:auto;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px}.brand{display:inline-flex;width:max-content;min-height:44px;padding:0 18px;align-items:center;gap:8px;border:1px solid color-mix(in srgb,var(--primary) 55%,var(--border));border-radius:22px;font-size:16px;font-weight:750;background:var(--surface)}.brand i{display:block;width:3px;height:3px;border-radius:50%;background:var(--primary)}.main-nav{display:flex;align-items:center;gap:26px}.main-nav a{display:inline-flex;min-height:44px;padding:0 14px;align-items:center;border-radius:6px;color:var(--text-soft);font-size:15px;font-weight:650}.main-nav a:hover,.main-nav a.active{color:var(--primary);background:var(--primary-soft)}.header-actions{display:flex;justify-self:end;align-items:center;gap:14px}.icon-button{display:inline-grid;width:44px;height:44px;padding:0;place-items:center;border:0;border-radius:50%;background:transparent;cursor:pointer}.icon-button:hover{color:var(--primary);background:var(--primary-soft)}.header-divider{width:1px;height:24px;background:var(--border)}.mall-link{display:inline-flex;min-height:44px;align-items:center;gap:8px;color:var(--text-soft);font-size:15px;font-weight:600}.mall-link:hover{color:var(--primary)}.mobile-menu-button{display:none}.hero{text-align:center}.compact-hero{position:relative;padding:30px 20px 24px}.eyebrow{display:inline-flex;min-height:34px;padding:0 18px;align-items:center;justify-content:center;border:1px solid color-mix(in srgb,var(--primary) 35%,var(--border));border-radius:18px;color:var(--primary);background:var(--surface);font-size:14px;font-weight:700}.hero h1,.page-heading h1{margin:14px 0 6px;font-size:40px;line-height:1.2;font-weight:830}.hero>p,.page-heading>p{max-width:720px;margin:0 auto;color:var(--text-soft);font-size:15px;line-height:1.7}.trust-row{display:flex;margin-top:14px;justify-content:center;gap:34px;color:var(--text-soft);font-size:14px;font-weight:620}.trust-row span{display:inline-flex;align-items:center;gap:8px}.trust-row svg{color:var(--primary)}.mock-badge{position:absolute;top:28px;right:max(20px,calc((100vw - 1180px)/2));padding:6px 9px;border:1px solid var(--warning);border-radius:6px;color:var(--warning);background:var(--warning-soft);font-size:12px;font-weight:700}.home-grid{display:grid;padding-bottom:28px;grid-template-columns:minmax(0,2fr) minmax(280px,.95fr);align-items:start;gap:20px}.recharge-card,.side-card,.tool-panel{border:1px solid var(--border);border-radius:8px;background:var(--surface-raised);box-shadow:var(--shadow-small)}.recharge-card{min-height:498px;padding:24px}.recharge-card>h2,.side-card h2,.tool-panel>h2{margin:0;font-size:20px;line-height:1.35;font-weight:780}.stepper{display:grid;margin:20px 4px 24px;padding:0;grid-template-columns:repeat(3,minmax(0,1fr));list-style:none}.stepper li{position:relative;display:flex;min-width:0;flex-direction:column;align-items:center;gap:8px;color:var(--text-muted);font-size:13px;font-weight:650}.stepper li:not(:last-child):after{position:absolute;top:14px;left:calc(50% + 22px);width:calc(100% - 44px);height:1px;background:var(--border-strong);content:""}.stepper li.done:not(:last-child):after{background:var(--primary)}.step-dot{position:relative;z-index:1;display:grid;width:30px;height:30px;place-items:center;border:1px solid var(--border-strong);border-radius:50%;color:var(--text-muted);background:var(--surface)}.stepper li.active,.stepper li.done{color:var(--text)}.stepper li.active .step-dot{border-color:var(--primary);color:#fff;background:var(--primary);box-shadow:0 0 0 5px color-mix(in srgb,var(--primary) 12%,transparent)}.stepper li.done .step-dot{border-color:var(--primary);color:var(--primary)}.flow-form label,.status-form label{display:block;margin-bottom:8px;font-size:15px;font-weight:750}.field-with-button{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:stretch;gap:10px}.button{display:inline-flex;min-height:46px;padding:0 18px;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:6px;cursor:pointer;font-size:14px;font-weight:720;transition:background .15s ease,border-color .15s ease,color .15s ease,transform .15s ease}.button:hover:not(:disabled){transform:translateY(-1px)}.button:disabled{opacity:.55;cursor:not-allowed}.button.primary{border-color:var(--primary);color:#fff;background:var(--primary)}.button.primary:hover:not(:disabled){border-color:var(--primary-hover);background:var(--primary-hover)}.button.secondary{border-color:var(--primary);color:var(--primary);background:transparent}.button.secondary:hover:not(:disabled){background:var(--primary-soft)}.button.danger{border-color:var(--danger);color:var(--danger)}.full-button{width:100%;margin-top:12px}.field-hint,.security-note{margin:8px 0 0;color:var(--text-muted);font-size:12px;line-height:1.55}.security-note{display:flex;align-items:center;gap:7px}.product-card{display:grid;min-height:64px;margin:12px 0;padding:8px 14px;grid-template-columns:auto auto 1px minmax(0,1fr) auto;align-items:center;gap:16px;border:1px solid var(--border);border-radius:6px;background:var(--surface-soft);color:var(--text-soft);font-size:14px}.product-card strong{color:var(--text);font-size:15px}.product-mark{display:grid;width:42px;height:42px;place-items:center;border:1px solid var(--border);border-radius:6px;color:var(--text);background:var(--surface)}.product-mark.claude{color:var(--warning)}.product-divider{width:1px;height:28px;background:var(--border)}.stock-badge,.queue-badge{padding:6px 10px;border-radius:14px;font-size:12px;font-weight:750;white-space:nowrap}.stock-high{color:var(--success);background:var(--success-soft)}.stock-low,.stock-none,.queue-badge{color:var(--warning);background:var(--warning-soft)}.form-heading-row{display:flex;margin:16px 0 10px;align-items:start;justify-content:space-between;gap:18px}.form-heading-row h3,.confirmation h3,.task-result h3,.card-query-result h3{margin:0;font-size:17px}.form-heading-row p,.confirmation-heading p,.task-result-copy>p,.card-query-result p{margin:4px 0 0;color:var(--text-soft);font-size:13px;line-height:1.55}.external-button{flex:0 0 auto;white-space:nowrap}.alert{display:flex;padding:11px 13px;align-items:flex-start;gap:9px;border:1px solid;border-radius:6px;font-size:13px;line-height:1.55}.alert svg{flex:0 0 auto;margin-top:1px}.error-alert{margin:12px 0;border-color:color-mix(in srgb,var(--danger) 55%,var(--border));color:var(--danger);background:var(--danger-soft)}.warning-alert{border-color:color-mix(in srgb,var(--warning) 45%,var(--border));color:var(--warning);background:var(--warning-soft)}.info-alert{margin:12px 0;border-color:color-mix(in srgb,var(--primary) 40%,var(--border));color:var(--primary);background:var(--primary-soft)}.info-alert strong{color:var(--text)}.warning-alert.compact{margin-top:16px;padding:9px 10px;font-size:12px}.confirmation{margin-top:18px}.confirmation-heading{display:flex;align-items:center;gap:12px;color:var(--success)}.confirmation-heading p{color:var(--text-soft)}.confirmation-list,.task-meta{display:grid;margin:18px 0;padding:0;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;overflow:hidden;border:1px solid var(--border);border-radius:6px;background:var(--border)}.confirmation-list div,.task-meta div{min-width:0;padding:12px;background:var(--surface-soft)}.confirmation-list dt,.task-meta dt{margin-bottom:5px;color:var(--text-muted);font-size:12px}.confirmation-list dd,.task-meta dd{margin:0;overflow-wrap:anywhere;font-size:14px;font-weight:700}.confirm-actions,.task-actions,.result-actions{display:flex;margin-top:14px;justify-content:flex-end;gap:10px}.confirm-actions .button{min-width:140px}.home-sidebar{display:grid;gap:14px}.side-card{padding:24px}.instructions-card ol{display:grid;margin:18px 0 0;padding:0;gap:12px;list-style:none}.instructions-card li{display:flex;align-items:center;gap:10px;color:var(--text-soft);font-size:13px}.instructions-card li>span{display:grid;width:22px;height:22px;flex:0 0 auto;place-items:center;border-radius:50%;color:#fff;background:var(--primary);font-size:12px;font-weight:750}.support-action{margin-top:14px}.support-link{display:inline-flex;min-height:44px;padding:0;align-items:center;gap:8px;border:0;color:var(--primary);background:transparent;cursor:pointer;font-size:14px;font-weight:680}.support-link.compact{min-height:36px}.inline-notice,.quick-result{margin:4px 0 0;color:var(--text-soft);font-size:12px;line-height:1.5}.quick-status>p{margin:8px 0 12px;color:var(--text-soft);font-size:12px;line-height:1.5}.quick-status form{display:grid;gap:9px}.quick-status .button{width:100%}.task-result{display:grid;margin-top:24px;padding:20px;grid-template-columns:auto minmax(0,1fr);gap:14px;border:1px solid var(--border);border-radius:6px;background:var(--surface-soft)}.task-result-icon{display:grid;width:44px;height:44px;place-items:center;border-radius:50%;color:var(--primary);background:var(--primary-soft)}.status-completed .task-result-icon{color:var(--success);background:var(--success-soft)}.status-failed .task-result-icon,.status-cancelled .task-result-icon{color:var(--danger);background:var(--danger-soft)}.status-unknown .task-result-icon{color:var(--warning);background:var(--warning-soft)}.task-result-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.task-meta{margin-bottom:0;grid-template-columns:repeat(4,minmax(0,1fr))}.spin{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.content-page{padding:44px 0 60px}.narrow-page{max-width:880px}.page-heading{margin-bottom:28px;text-align:center}.page-heading h1{font-size:36px}.tool-panel{padding:28px}.status-form{margin-top:18px}.card-query-result{margin-top:20px;padding:18px;border-left:3px solid var(--text-muted);background:var(--surface-soft)}.card-query-result.is-available{border-color:var(--success)}.card-query-result>span{display:inline-block;margin-top:10px;color:var(--text-muted);font-size:12px;font-weight:700}.help-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.guide-section{display:grid;min-height:190px;padding:22px;grid-template-columns:auto minmax(0,1fr);align-items:start;gap:14px;border:1px solid var(--border);border-radius:8px;background:var(--surface);box-shadow:var(--shadow-small)}.guide-section.full-width-guide{min-height:auto;grid-column:1 / -1}.guide-icon{display:grid;width:44px;height:44px;place-items:center;border-radius:6px;color:var(--primary);background:var(--primary-soft)}.guide-icon.claude{color:var(--warning);background:var(--warning-soft)}.guide-section h2,.security-callout h2,.legal-content h2,.privacy-summary h2{margin:0 0 8px;font-size:17px}.guide-section p,.security-callout p,.legal-content p,.privacy-summary p{margin:0;color:var(--text-soft);font-size:14px;line-height:1.75}.guide-steps{margin:0 0 14px;padding-left:20px;color:var(--text-soft);font-size:14px;line-height:1.8}.security-callout{display:flex;margin-top:18px;padding:20px 22px;align-items:flex-start;gap:13px;border:1px solid color-mix(in srgb,var(--warning) 35%,var(--border));border-radius:8px;color:var(--warning);background:var(--warning-soft)}.security-callout p{color:var(--text-soft)}.center-action{display:flex;margin-top:18px;justify-content:center}.legal-page{max-width:900px}.legal-content{display:grid;gap:28px}.legal-content section{padding-bottom:26px;border-bottom:1px solid var(--border)}.privacy-summary{display:grid;margin-bottom:34px;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.privacy-summary section{padding:20px;border:1px solid var(--border);border-radius:8px;background:var(--surface)}.privacy-summary svg{margin-bottom:12px;color:var(--primary)}.site-footer{border-top:1px solid var(--border);background:var(--surface)}.footer-inner{display:flex;width:min(1400px,calc(100% - 40px));min-height:68px;margin-inline:auto;align-items:center;justify-content:space-between;gap:20px;color:var(--text-muted);font-size:13px}.footer-inner p{margin:0}.footer-inner nav{display:flex;gap:28px}.footer-inner a:hover{color:var(--primary)}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:980px){.home-grid{grid-template-columns:1fr}.home-sidebar{grid-template-columns:repeat(2,minmax(0,1fr))}.recharge-card{min-height:0}.mock-badge{position:static;display:table;margin:12px auto 0}.task-meta{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:760px){.page-width,.header-inner,.footer-inner{width:min(100% - 28px,100%)}.site-header{height:62px}.header-inner{display:flex;gap:6px}.brand{min-height:40px;padding:0 12px;font-size:14px}.mobile-menu-button{display:inline-grid;margin-left:auto}.main-nav{position:absolute;top:62px;right:14px;left:14px;display:none;padding:8px;flex-direction:column;align-items:stretch;gap:2px;border:1px solid var(--border);border-radius:8px;background:var(--surface);box-shadow:var(--shadow)}.main-nav.is-open{display:flex}.main-nav a{justify-content:center}.header-actions{gap:2px}.header-divider,.mall-link span,.mall-link svg:last-child{display:none}.mall-link{display:grid;width:44px;height:44px;place-items:center;border-radius:50%}.compact-hero{padding:25px 14px 20px}.hero h1,.page-heading h1{margin-top:12px;font-size:31px}.hero>p{font-size:14px}.trust-row{gap:14px;font-size:12px}.trust-row span{gap:5px}.trust-row svg{width:17px}.home-grid{padding-bottom:18px;gap:14px}.recharge-card,.side-card,.tool-panel{padding:18px}.stepper{margin-inline:0}.stepper li{font-size:11px}.field-with-button{grid-template-columns:1fr}.field-with-button .button{width:100%}.product-card{grid-template-columns:auto minmax(0,1fr) auto;gap:10px}.product-card>span:not(.stock-badge),.product-divider{display:none}.form-heading-row{flex-direction:column}.external-button{width:100%}.confirmation-list{grid-template-columns:1fr}.confirm-actions,.result-actions{flex-direction:column-reverse}.confirm-actions .button,.result-actions .button,.result-actions .support-action,.result-actions .support-link{width:100%}.result-actions .support-link{justify-content:center}.home-sidebar,.help-grid,.privacy-summary{grid-template-columns:1fr}.task-result{padding:16px;grid-template-columns:1fr}.task-result-heading{align-items:flex-start;flex-direction:column}.task-meta{grid-template-columns:1fr}.content-page{padding:32px 0 44px}.guide-section,.guide-section.full-width-guide{min-height:0;padding:18px;grid-column:auto}.footer-inner{min-height:92px;padding:16px 0;flex-direction:column;justify-content:center}.footer-inner nav{gap:20px}}@media(max-width:390px){.brand span:last-child{display:none}.brand i{display:none}.trust-row{justify-content:space-between}.trust-row span{flex-direction:column}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}
