:root{--brand:#2e7fb6;--brand-dark:#216b99;--brand-soft:#eaf5fb;--red:var(--brand);--red-dark:var(--brand-dark);--bg:#f3f8fb;--card:#fff;--text:#17324a;--muted:#60788b;--line:#d6e4ed;--green:#14804a;--shadow:0 12px 35px rgba(35,92,126,.1)}
*{box-sizing:border-box}[hidden]{display:none!important}html{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;color:var(--text);background:var(--bg);-webkit-text-size-adjust:100%;text-size-adjust:100%}body{margin:0}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}.site-header{height:68px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(20px,calc((100vw - 1120px)/2));position:sticky;top:0;z-index:10}.brand{font-weight:800;font-size:18px;display:flex;align-items:center;gap:10px}.brand-mark{width:36px;height:36px;border-radius:10px;background:var(--red);color:#fff;display:grid;place-items:center}.site-header nav{display:flex;align-items:center;gap:18px}.container{max-width:1120px;margin:0 auto;padding:30px 20px 70px}.site-footer{display:flex;justify-content:center;gap:24px;padding:28px;color:var(--muted);font-size:13px}.hero{padding:70px 0 40px;text-align:center}.hero h1{font-size:46px;margin:0 0 18px}.hero p{font-size:19px;color:var(--muted);max-width:720px;margin:0 auto 28px;line-height:1.8}.actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.hero .actions{justify-content:center}.button{border:0;border-radius:10px;background:var(--red);color:#fff;min-height:44px;padding:0 18px;display:inline-flex;align-items:center;justify-content:center;font-weight:750;cursor:pointer;touch-action:manipulation}.button:hover{background:var(--red-dark)}.button:active{transform:translateY(1px)}.button.secondary{background:#fff;color:var(--text);border:1px solid var(--line)}.button.small{min-height:36px;padding:0 13px}.button.block{width:100%;min-height:54px;font-size:17px}.link-button{border:0;background:none;cursor:pointer}.inline{display:inline}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--shadow)}.card.narrow{max-width:520px;margin:36px auto}.card h1,.card h2{margin-top:0}.muted{color:var(--muted)}.field{margin-bottom:17px}.field label{display:block;font-weight:700;margin-bottom:7px}.field input,.field textarea,.field select{width:100%;border:1px solid var(--line);border-radius:10px;background:#fff;padding:11px 12px}.field textarea{min-height:220px;resize:vertical;line-height:1.7}.field .hint{font-size:12px;color:var(--muted);margin-top:6px}.notice{padding:13px 16px;border-radius:10px;margin-bottom:18px;background:#edf3f8}.notice.ok{background:#e9f8ef;color:#0d6c3c}.notice.warn{background:#fff6dd;color:#8b5b00}.notice.error{background:#fff0ee;color:#a9241c}.top-banner{background:#fff5d6;border:1px solid #f3d78d;padding:12px 16px;border-radius:10px;margin-bottom:18px}.activity{display:grid;gap:12px}.activity-head{display:flex;justify-content:space-between;gap:16px}.badge{display:inline-flex;border-radius:999px;padding:4px 9px;background:#eef2f6;color:#465568;font-size:12px}.public-card{max-width:680px;margin:20px auto}.copy-text{white-space:pre-wrap;overflow-wrap:anywhere;word-break:normal;line-height:1.85;font-size:17px;background:#f8fafc;border:1px solid var(--line);border-radius:12px;padding:20px;margin:18px 0 10px;-webkit-user-select:text;user-select:text}.copy-text:focus{outline:3px solid rgba(225,37,27,.22);outline-offset:2px}.copy-help{margin:0 2px 16px;color:var(--muted);font-size:13px;line-height:1.6}.copy-wrap{position:fixed;z-index:20;left:50%;bottom:max(14px,calc(env(safe-area-inset-bottom) + 8px));transform:translateX(-50%);width:min(calc(100vw - 60px),630px);padding-top:14px;background:linear-gradient(to bottom,rgba(255,255,255,0),#fff 14px)}.copy-success{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.copy-success.show{position:static;width:auto;height:auto;margin:0 0 10px;padding:14px;overflow:visible;clip:auto;white-space:normal;border-radius:12px;background:#e8f8ef;color:var(--green);text-align:center;font-weight:750;line-height:1.55}.copy-success.show.warn{background:#fff1e7;color:#8a3d0c}.theme-red .button{background:#e1251b}.theme-gold .button{background:#9b6b12}.theme-blue .button{background:#1769aa}.theme-green .button{background:#167b58}.theme-orange .button{background:#db651c}.price{font-size:28px;font-weight:800}.error-list{color:#a9241c;background:#fff0ee;border-radius:10px;padding:14px 30px}.stat{font-size:30px;font-weight:800}.split{display:grid;grid-template-columns:1fr 360px;gap:24px}.phone-preview{border:8px solid #1e2630;border-radius:32px;padding:18px;background:#fff;min-height:560px}.char-count{text-align:right;font-size:12px;color:var(--muted)}
.sms-row{display:grid;grid-template-columns:1fr auto;gap:10px}.sms-status.ok{color:var(--green)}.sms-status.error{color:#a9241c}.agreement-check{display:block;line-height:1.6;margin:4px 0 18px}.agreement-check a,.auth-links a,.public-attribution a{color:#b91c1c;text-decoration:underline}.auth-links{display:flex;justify-content:space-between;margin-top:18px;font-size:14px}.public-attribution{text-align:center;color:var(--muted);font-size:13px;margin-top:22px}.public-attribution a{display:inline-flex;align-items:center;min-height:44px;padding:0 6px}.copy-primary.copy-done{background:var(--green)!important}.global-toast{position:fixed;z-index:10000;left:50%;bottom:max(26px,calc(env(safe-area-inset-bottom) + 12px));transform:translate(-50%,24px);width:min(calc(100vw - 28px),520px);padding:15px 18px;border-radius:12px;background:#183b2b;color:#fff;text-align:center;font-weight:750;box-shadow:0 14px 38px rgba(0,0,0,.22);opacity:0;pointer-events:none;transition:.2s ease}.global-toast.warn{background:#7c3f12}.global-toast.show{opacity:1;transform:translate(-50%,0)}.legal-document{max-width:820px;margin:20px auto;line-height:1.9;overflow-wrap:anywhere;word-break:break-word}.legal-document h2{margin-top:28px}
.copy-fallback-buffer{position:fixed;left:0;top:0;width:1px;height:1px;padding:0;border:0;opacity:0;pointer-events:none;font-size:16px}
.visually-hidden{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.button.danger{background:#a9241c}.button:disabled{opacity:.68;cursor:not-allowed}.small{font-size:13px}.public-body{min-height:100vh;background:#f2f4f7}.public-container{max-width:760px;margin:0 auto;padding:18px 14px calc(80px + env(safe-area-inset-bottom))}.public-footer{text-align:center;color:var(--muted);font-size:12px;padding:0 14px calc(26px + env(safe-area-inset-bottom))}.public-title{text-align:center;overflow-wrap:anywhere}.public-card .field textarea{min-height:140px}.top-banner.warning{background:#fff1e7;border-color:#f1b48f}.trial-banner{font-weight:750;text-align:center}.table-wrap{overflow-x:auto}.table-wrap table{width:100%;border-collapse:collapse;min-width:780px}.table-wrap th,.table-wrap td{padding:12px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;white-space:nowrap}.table-wrap th{color:#475569;font-size:13px;background:#f8fafc}.price-list{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:10px;overflow:hidden}.price-list>div{display:flex;justify-content:space-between;gap:12px;background:#fff;padding:11px 13px}.device-list{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:10px;overflow:hidden}.device-row{display:flex;justify-content:space-between;align-items:center;gap:12px;background:#fff;padding:13px}.inline-create{display:flex;align-items:end;gap:12px}.inline-create .field{flex:1;margin:0}.pricing-grid{align-items:start}.wechat-native-code{text-align:center}.wechat-native-code img{display:block;width:min(100%,410px);height:auto;margin:14px auto;border:12px solid #fff;box-shadow:0 6px 20px rgba(0,0,0,.1);image-rendering:pixelated}.stat-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.stat-grid>div{padding:16px;border:1px solid var(--line);border-radius:12px;background:#f8fafc}.stat-grid span{display:block;color:var(--muted);font-size:13px}.stat-grid strong{display:block;margin-top:6px;font-size:28px}.stat-grid.compact strong{font-size:23px}input:focus,textarea:focus,select:focus,button:focus-visible,a:focus-visible{outline:3px solid rgba(225,37,27,.22);outline-offset:2px}
@media(max-width:780px){.site-header{height:auto;padding:12px 16px;flex-wrap:wrap;gap:8px}.site-header nav{width:100%;gap:8px;overflow-x:auto;overscroll-behavior-x:contain;padding-bottom:2px}.site-header nav>a,.site-header nav form{flex:0 0 auto}.site-header nav>a,.site-header nav .link-button{display:inline-flex;align-items:center;min-height:44px;white-space:nowrap}.site-header nav>a.button.small{min-height:44px}.container{padding:20px 14px 56px}.hero{padding-top:38px}.hero h1{font-size:34px}.grid,.grid.two,.split{grid-template-columns:1fr}.phone-preview{display:none}.card{padding:19px}.public-card{margin-top:0}.site-footer{flex-wrap:wrap}.copy-wrap{bottom:max(10px,calc(env(safe-area-inset-bottom) + 6px))}.sms-row{grid-template-columns:1fr}.sms-row .button{width:100%}.activity-head{align-items:flex-start;flex-direction:column}.inline-create{align-items:stretch;flex-direction:column}.public-container{padding:10px 10px calc(70px + env(safe-area-inset-bottom))}.stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(prefers-reduced-motion:reduce){.global-toast{transition:none}.button:active{transform:none}}
.public-container{padding-bottom:calc(100px + env(safe-area-inset-bottom))}.public-footer{padding-bottom:calc(100px + env(safe-area-inset-bottom))}
.payment-handoff-copy{display:grid;gap:10px;margin:18px 0}.payment-handoff-copy input{width:100%;min-height:48px;border:1px solid var(--line);border-radius:10px;background:#f8fafc;padding:11px 12px;color:var(--text)}.payment-handoff-copy .button,.payment-open-card .button,[data-jsapi-pay-button]{width:100%}.payment-open-card{text-align:center}.payment-open-card .notice{text-align:left}.payment-open-card .actions{justify-content:center}.payment-open-card [data-payment-status]{min-height:24px}.jsapi-payment-card{max-width:560px;margin:36px auto;text-align:center}.jsapi-payment-card .price{margin:18px 0}.jsapi-payment-card .muted{line-height:1.7}.jsapi-payment-card [data-jsapi-status]{min-height:24px;margin-top:14px}

/* Shared company footer. The merchant view follows the Guobu product family
   structure; public QR pages use the compact variant to keep copy-first UX. */
.merchant-body{min-height:100vh;display:flex;flex-direction:column;background:var(--bg)}
.merchant-body>.container{width:100%;flex:1 0 auto}
.site-footer.site-footer--full{display:block;margin-top:auto;padding:0;background:#fff;border-top:1px solid var(--line);color:var(--muted);font-size:14px}
.site-footer-grid{width:min(1120px,calc(100% - 40px));margin:0 auto;padding:34px 0 28px;display:grid;grid-template-columns:minmax(260px,2fr) repeat(3,minmax(130px,1fr));gap:38px}
.site-footer-brand-title{display:flex;align-items:center;gap:11px;color:var(--text);font-size:18px}
.site-footer-brand p{max-width:330px;margin:16px 0 0;line-height:1.75}
.site-footer-column{display:flex;flex-direction:column;align-items:flex-start;gap:11px;min-width:0}
.site-footer-column strong{color:var(--text);font-size:15px;margin-bottom:2px}
.site-footer-column a{overflow-wrap:anywhere}
.site-footer-column a:hover,.site-footer-bottom a:hover,.public-footer a:hover{color:var(--red);text-decoration:underline}
.site-footer-contact{font-style:normal}
.site-footer-bottom{width:min(1120px,calc(100% - 40px));margin:0 auto;padding:17px 0 22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}
.public-footer{display:block;color:var(--muted);font-size:12px;line-height:1.7;text-align:center;padding:2px 14px calc(100px + env(safe-area-inset-bottom))}
.public-footer-service{font-size:13px}
.public-footer-meta{display:flex;justify-content:center;gap:8px 16px;flex-wrap:wrap;margin-top:4px}
.public-footer-meta a{text-decoration:underline;text-underline-offset:2px}
@media(max-width:780px){
  .site-footer-grid{width:min(100% - 28px,560px);padding:28px 0 22px;grid-template-columns:1fr 1fr;gap:26px 20px}
  .site-footer-brand,.site-footer-contact{grid-column:1/-1}
  .site-footer-bottom{width:min(100% - 28px,560px);padding:16px 0 20px;flex-direction:column;gap:8px}
}
@media(max-width:420px){
  .site-footer-grid{grid-template-columns:1fr}
  .site-footer-brand,.site-footer-contact{grid-column:auto}
}

/* Mobile-first application hardening.
   The merchant console is primarily used from phones, so narrow layouts must
   remain the full product rather than a shrunken desktop fallback. */
body{max-width:100%;overflow-x:hidden}
.container>*,.card,.activity-head>*,.device-row>*,.site-footer-grid>*{min-width:0}
.container>.activity-head{margin-bottom:20px}
.container>.card:not(.narrow),.container>.grid{margin-bottom:18px}
.muted,.small,.activity,.payment-handoff-copy input{overflow-wrap:anywhere}
.field input,.field textarea,.field select{min-height:46px;font-size:16px}
.agreement-check input{width:18px;height:18px;margin:0 6px 0 0;vertical-align:-3px}
.card>form.activity-head{align-items:center;padding:12px 0;border-top:1px solid var(--line)}
.card>form.activity-head:first-of-type{border-top:0}
.table-wrap{max-width:100%;overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch;scrollbar-gutter:stable}

/* The CAPTCHA placeholder must stay in the document and must not clip the
   SDK's popup. Only the synthetic trigger itself is visually hidden. */
.captcha-host{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
#marketingCaptchaElement{width:1px;height:1px;overflow:hidden}
.captcha-trigger{position:absolute!important;left:0!important;top:0!important;width:1px!important;height:1px!important;margin:0!important;padding:0!important;border:0!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;opacity:0!important}

@media(max-width:780px){
  .site-header{position:relative;top:auto;min-height:64px;height:auto;padding:10px 12px;gap:8px 12px}
  .site-header--guest{flex-wrap:nowrap}
  .site-header--guest .brand{min-width:0;gap:8px;font-size:16px;white-space:nowrap}
  .site-header--guest .brand-mark{width:36px;height:36px;flex:0 0 36px}
  .site-header--guest nav{width:auto;margin-left:auto;overflow:visible;padding:0;gap:4px}
  .site-header--guest nav>a{padding:0 7px}
  .site-header--guest nav>a.button.small{padding:0 12px}
  .site-header--authenticated .brand{width:100%}
  .site-header--authenticated nav{margin:0 -12px -10px;width:calc(100% + 24px);padding:0 12px 8px;scrollbar-width:none}
  .site-header--authenticated nav::-webkit-scrollbar{display:none}
  .site-header--authenticated nav>a,.site-header--authenticated nav .link-button{padding:0 9px}
  .container{padding:16px 12px 48px}
  .container>.activity-head{gap:12px;margin-bottom:16px}
  .container>.activity-head>.button{width:100%}
  .card{padding:18px;border-radius:15px}
  .card.narrow{margin:4px auto 20px}
  .auth-card h1{font-size:27px;line-height:1.25}
  .auth-card>.muted{line-height:1.65;margin-bottom:22px}
  .field{margin-bottom:16px}
  .field label{margin-bottom:8px}
  .button{min-height:46px}
  .button.small{min-height:42px}
  .button.block{min-height:52px}
  .sms-row{grid-template-columns:minmax(0,1fr) 124px;align-items:stretch}
  .sms-row .button{width:124px;padding:0 10px}
  .auth-links{align-items:center;gap:16px;line-height:1.5}
  .activity>.actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
  .activity>.actions>a,.activity>.actions>button,.activity>.actions>form,.activity>.actions>form>.button{width:100%}
  .activity>.actions>form{display:flex}
  form.activity-head{align-items:stretch}
  form.activity-head>.button{width:100%}
  .stat-grid>div{padding:14px 12px}
  .stat-grid strong,.stat-grid.compact strong{font-size:24px}
  .table-wrap.card{padding:16px 0 8px}
  .table-wrap.card>h2,.table-wrap.card>p{padding-left:16px;padding-right:16px}
  .table-wrap th:first-child,.table-wrap td:first-child{padding-left:16px}
  .table-wrap th:last-child,.table-wrap td:last-child{padding-right:16px}
  .copy-wrap{width:min(calc(100vw - 24px),630px)}
  .public-card{border-radius:16px}
  .copy-text{padding:16px;font-size:16px}
  .site-footer-grid{width:min(100% - 24px,560px);padding:26px 0 20px;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px 18px}
  .site-footer-brand,.site-footer-contact{grid-column:1/-1}
  .site-footer-brand p{margin-top:12px}
  .site-footer-bottom{width:min(100% - 24px,560px)}
}

@media(max-width:350px){
  .site-header--guest .brand>span:last-child{font-size:15px}
  .site-header--guest nav>a{padding:0 5px}
  .site-header--guest nav>a.button.small{padding:0 9px}
  .sms-row{grid-template-columns:1fr}
  .sms-row .button{width:100%}
  .activity>.actions{grid-template-columns:1fr}
}

@media(max-width:420px){
  .device-row{align-items:stretch;flex-direction:column}
  .device-row form,.device-row .button{width:100%}
  .price-list>div{align-items:center}
  .site-footer-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .site-footer-brand,.site-footer-contact{grid-column:1/-1}
}

/* MIRNER visual identity. Keep campaign theme choices independent: the
   platform chrome is blue, while a merchant can still select the red theme
   for an individual public activity. */
.merchant-body{background:linear-gradient(180deg,#f7fbfd 0,#f3f8fb 320px)}
.site-header{box-shadow:0 3px 16px rgba(35,92,126,.06)}
.brand{display:inline-flex;align-items:center;line-height:0;flex:0 0 auto}
.brand-logo{display:block;width:206px;max-width:100%;height:auto}
.footer-brand-logo{display:block;width:205px;max-width:100%;height:auto}
.site-footer-brand-title{min-height:34px}
.button:not(.danger){box-shadow:0 7px 18px rgba(46,127,182,.13)}
.button.secondary{box-shadow:none}
.agreement-check a,.auth-links a,.public-attribution a{color:var(--brand-dark)}
.auth-card{border-top:3px solid var(--brand);box-shadow:0 16px 38px rgba(35,92,126,.11)}
input:focus,textarea:focus,select:focus,button:focus-visible,a:focus-visible{outline-color:rgba(46,127,182,.28)}
.copy-text:focus{outline-color:rgba(46,127,182,.28)}
.notice{background:#eaf4fa}
.site-footer.site-footer--full{box-shadow:0 -8px 28px rgba(35,92,126,.04)}

@media(max-width:780px){
  .brand-logo{width:156px}
  .footer-brand-logo{width:188px}
  .site-header--guest .brand{min-width:0}
  .site-header--authenticated .brand{width:auto}
}

@media(max-width:350px){
  .brand-logo{width:142px}
  .site-header--guest nav{gap:2px}
  .site-header--guest nav>a{padding-left:4px;padding-right:4px}
  .site-header--guest nav>a.button.small{padding-left:8px;padding-right:8px}
}