:root{--ink:#172e35;--muted:#61747a;--line:#d9e5e8;--navy:#193e48;--blue:#176da8;--pale:#f2f7f8;--gold:#ad741e;--theme:#b8861c;--theme-dark:#80570d;--theme-soft:#fff7e5;--theme-border:#ead29a}
html[data-theme="signal_tracker"]{--theme:#2876b5;--theme-dark:#155d91;--theme-soft:#eaf5ff;--theme-border:#acd4ee}
html[data-theme="gold_grid_v08"]{--theme:#2d8a62;--theme-dark:#1d6c4c;--theme-soft:#e9f7ee;--theme-border:#b4dfc3}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{margin:0;background:#f3f6f7;color:var(--ink);font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",sans-serif}
button,input{font:inherit}
button{cursor:pointer}
.research-banner{padding:8px 20px;background:#fff0c7;color:#835a0b;font-size:12px;text-align:center}
.site-header{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:70px;padding:12px max(24px,calc((100vw - 1100px)/2));background:var(--navy);color:#fff}
.brand{display:flex;align-items:center;gap:9px;color:#fff;text-decoration:none;font-weight:800;font-size:20px;white-space:nowrap}
.brand img{width:39px;height:39px;object-fit:contain}
.back-link{color:#d9ebee;text-decoration:none;white-space:nowrap;font-weight:700}
.back-link:hover{text-decoration:underline}
.purchase-page{max-width:1100px;margin:28px auto 56px;padding:0 22px}
.page-heading,.section-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}
.page-heading{align-items:center;margin-bottom:20px}
.page-heading h1{font-size:30px;margin:3px 0 7px}
.page-heading p:last-child{margin:0;color:var(--muted)}
.eyebrow{margin:0;color:var(--gold);font-size:12px;font-weight:800;letter-spacing:.04em}
.step-pill,.status-tag{display:inline-block;padding:5px 10px;border-radius:999px;background:#e9f3f5;color:#266370;font-size:12px;font-weight:800;white-space:nowrap}
.status-tag.danger{background:#fff0ef;color:#ac4445}
.panel{margin:16px 0;padding:24px;border:1px solid var(--line);border-radius:12px;background:#fff;box-shadow:0 3px 14px rgba(22,54,64,.035)}
.panel h2,.order-panel h2{font-size:20px;margin:0 0 16px}
.strategy-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.strategy-tab{display:flex;align-items:center;gap:8px;min-height:66px;padding:12px 11px;border:1px solid var(--line);border-radius:9px;background:#f7fafb;color:var(--ink);text-align:left;font-size:14px;font-weight:800;white-space:nowrap}
.strategy-tab:hover{border-color:#9bc6d1}
.strategy-tab.active{background:#eaf6f8;border:2px solid #67baca;color:#165d6c;padding:11px 10px}
.tab-logo{display:block;flex:0 0 38px;width:38px;height:38px;object-fit:contain}
.strategy-intro{margin-top:18px;padding:21px;border-radius:9px;background:#f7faf9}
.strategy-intro h3{font-size:23px;margin:4px 0 9px}
.strategy-intro p{margin:0}
.report-note{margin:0 0 15px;color:var(--muted)}
.report-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.report-metric{padding:15px;border:1px solid var(--line);border-radius:8px;background:#fafcfc}
.report-metric span{display:block;color:var(--muted);font-size:12px}
.report-metric strong{display:block;margin-top:6px;font-size:17px}
.fine-print{color:#71848a;font-size:12px;margin:12px 0 0}
.small-muted{font-size:12px;color:var(--muted)}
.plan-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:11px}
.plan-card{position:relative;display:flex;flex-direction:column;gap:9px;min-height:158px;padding:16px;border:1px solid var(--line);border-radius:9px;background:#fff;cursor:pointer}
.plan-card.selected{border:2px solid #3195b3;background:#eef9fb;padding:15px}
.plan-card input{position:absolute;right:12px;top:15px;accent-color:#19789c}
.plan-top{display:flex;flex-wrap:wrap;align-items:center;gap:5px;padding-right:15px}
.plan-top strong{font-size:19px}
.plan-badge{padding:2px 7px;border-radius:5px;background:#fff2d9;color:#9a630e;font-size:11px;font-weight:800}
.plan-price{font-size:24px;font-weight:800;line-height:1.1}
.plan-price small{font-size:12px}
.plan-caption{color:var(--muted);font-size:12px}
label{display:block;font-weight:700;color:#344e55}
input[type=text],input:not([type]),.account-grid input,.invite-row input,.address-row input{display:block;width:100%;height:43px;margin-top:6px;padding:0 12px;border:1px solid #cbdadd;border-radius:7px;background:#fff;color:var(--ink);outline:none}
input:focus{border-color:#238baa;box-shadow:0 0 0 3px rgba(35,139,170,.12)}
.invite-row{display:grid;grid-template-columns:minmax(0,1fr) 150px;align-items:end;gap:12px;max-width:620px}
.primary-button,.secondary-button{min-height:43px;border-radius:7px;padding:0 16px;font-weight:800}
.primary-button{border:1px solid var(--blue);background:var(--blue);color:#fff}
.primary-button:hover{background:#115f96}
.secondary-button{border:1px solid #aec9d1;background:#f5fafb;color:#275b68}
.secondary-button:hover{background:#e9f4f6}
.invite-result{min-height:23px;margin:12px 0 0;color:#426a50;font-weight:700}
.invite-result.error{color:#ae4747}
code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:#f2f5f5;border-radius:4px;padding:1px 4px;color:#5d7176}
.account-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.order-panel{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:24px;align-items:center;margin:18px 0;padding:24px;border:1px solid #b9d5dd;border-radius:12px;background:#eaf5f7}
.order-panel h2{margin:4px 0 8px}
.order-panel p{margin:0;color:#4f6971}
.summary-benefit{margin-top:8px!important;font-size:13px}
.order-total{text-align:right}
.order-total>span{display:block;color:#5a737b;font-size:13px}
.order-total strong{display:block;margin:3px 0 10px;font-size:28px;color:#125e77}
.order-total button{width:100%}
.form-error{margin-top:8px!important;color:#a93939!important;font-size:12px}
.payment-warning{margin:0 0 18px;padding:10px 12px;border-radius:7px;background:#fff2e7;color:#944d21;font-weight:700}
.payment-grid{display:grid;grid-template-columns:230px minmax(0,1fr);gap:24px}
.qr-box{align-self:start;display:flex;flex-direction:column;align-items:center;gap:7px;padding:14px;border:1px solid var(--line);border-radius:8px;background:#fff}
.qr-box img{width:196px;height:196px;object-fit:contain}
.qr-box span{font-size:12px;color:#aa4d40;font-weight:800}
.payment-details dl{margin:0 0 14px}
.payment-details dl div{display:flex;justify-content:space-between;gap:10px;padding:7px 0;border-bottom:1px solid #edf1f2}
.payment-details dt{color:var(--muted)}
.payment-details dd{margin:0;font-weight:800;text-align:right;overflow-wrap:anywhere}
.address-row{display:grid;grid-template-columns:minmax(0,1fr) 112px;gap:9px;align-items:end}
.address-row input{margin-top:6px;font-size:12px}
.payment-actions{display:flex;align-items:center;gap:14px;margin-top:17px}
.text-button{border:0;background:none;color:#276b88;font-weight:800}
.payment-status{margin:12px 0 0;color:#61747a;font-weight:700}
.bottom-note{margin:18px 0 0;color:#78898e;font-size:12px;text-align:center}
.dialog-embed .research-banner,.dialog-embed .site-header{display:none}
.dialog-embed body{background:linear-gradient(145deg,var(--theme-soft),#f3f6f7 28%,#f3f6f7)}
.dialog-embed .purchase-page{max-width:900px;margin:0 auto;padding:6px 20px 26px}
.dialog-embed .page-heading h1{font-size:26px}
.panel{border-top:3px solid var(--theme-border)}
.panel>h2,.section-heading h2{display:flex;align-items:center;gap:10px}
.panel>h2::before,.section-heading h2::before{content:"";display:inline-block;flex:0 0 5px;width:5px;height:21px;border-radius:5px;background:var(--theme)}
.strategy-tab[data-strategy="gold_1m_fusion"]{--tab-color:#9a6b13;--tab-soft:#fff9eb;--tab-border:#ead39e}
.strategy-tab[data-strategy="signal_tracker"]{--tab-color:#246da6;--tab-soft:#f0f8ff;--tab-border:#bedaf0}
.strategy-tab[data-strategy="gold_grid_v08"]{--tab-color:#287c57;--tab-soft:#effaf3;--tab-border:#c2e2ce}
.strategy-tab{border-color:var(--tab-border);background:var(--tab-soft);box-shadow:inset 0 4px 0 var(--tab-color)}
.strategy-tab.active{border-color:var(--theme);background:var(--theme-soft);color:var(--theme-dark);box-shadow:inset 0 4px 0 var(--theme),0 6px 16px rgba(25,62,72,.08)}
.strategy-intro{border:1px solid var(--theme-border);background:linear-gradient(115deg,var(--theme-soft),#fff 78%)}
.strategy-intro h3{color:var(--theme-dark)}
.status-tag{border-color:var(--theme-border);background:var(--theme-soft);color:var(--theme-dark)}
.report-metric{border-left:3px solid var(--theme-border)}
.report-metric strong{color:var(--theme-dark)}
.plan-card{border-top:3px solid var(--theme-border)}
.plan-card.selected{border-color:var(--theme);background:var(--theme-soft)}
.plan-price,.plan-badge{color:var(--theme-dark)}
.plan-badge{background:var(--theme-soft)}
.invite-result{color:var(--theme-dark)}
.invite-result.error{color:#ae4747}
.order-panel{border-color:var(--theme-border);background:linear-gradient(115deg,var(--theme-soft),#fff)}
.order-total strong{color:var(--theme-dark)}
.primary-button{border-color:var(--theme-dark);background:var(--theme-dark)}
.primary-button:hover{background:var(--theme);border-color:var(--theme)}
.secondary-button{border-color:var(--theme-border);background:var(--theme-soft);color:var(--theme-dark)}
.status-tag.danger{background:#fff0ef;color:#ac4445;border-color:#f1c6c3}
@media(max-width:850px){.plan-grid,.report-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.order-panel{grid-template-columns:1fr}.order-total{text-align:left;max-width:320px}}
@media(max-width:600px){.site-header{padding:10px 15px}.brand{font-size:15px}.brand img{width:32px;height:32px}.purchase-page{padding:0 13px;margin-top:18px}.page-heading h1{font-size:25px}.page-heading .step-pill{display:none}.panel{padding:18px}.strategy-tabs{grid-template-columns:1fr}.strategy-tab{min-height:48px}.account-grid,.payment-grid{grid-template-columns:1fr}.qr-box{width:230px;max-width:100%}.payment-details dl div{display:block}.payment-details dd{text-align:left}.invite-row{grid-template-columns:1fr}.invite-row button{width:150px}}
@media(max-width:430px){.plan-grid,.report-grid{grid-template-columns:1fr}.plan-card{min-height:120px}.address-row{grid-template-columns:1fr}.address-row button{width:112px}}