:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--color-bg-page:#fffaf1;--color-bg-warm:#fff4df;--color-surface:#ffffffe6;--color-surface-elevated:#fff;--color-text-primary:#10233f;--color-text-secondary:#5f6f85;--color-border:#1f385821;--color-accent-warm:#f4a340;--color-accent-warm-strong:#c86e1f;--color-data-ai:#2f80ed;--color-data-quant:#16a085;--color-risk:#b54708;--color-risk-bg:#fff0df;--color-success:#13795b;--color-success-bg:#e8f7ef;--color-nav:#10233f;--shadow-card:0 20px 60px #1b315414;--shadow-soft:0 10px 32px #1b31540f;--shadow-gold:0 18px 42px #f4a34033;--radius-card:22px;--radius-control:999px;--card-heading-gap:16px;--card-title-gap:14px;--card-body-gap:14px;--card-title-line-height:1.38;--font-sans:"Avenir Next", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;--max-page-width:1320px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:radial-gradient(circle at 12% 0%, #f4a34038, transparent 34rem), radial-gradient(circle at 88% 10%, #2f80ed1f, transparent 30rem), linear-gradient(180deg, var(--color-bg-page) 0%, #fff 48%, var(--color-bg-warm) 100%);min-height:100vh;color:var(--color-text-primary);font-family:var(--font-sans);margin:0;overflow-x:clip}a{color:var(--color-data-ai);text-underline-offset:3px}a:hover{color:var(--color-accent-warm-strong)}h1,h2,h3{color:var(--color-text-primary);letter-spacing:0}h1{margin:18px 0;font-size:clamp(2.25rem,5.5vw,4.8rem);line-height:1.02}h2{margin:0 0 12px;font-size:clamp(1.45rem,3vw,2.2rem);line-height:1.16}h3{font-size:1.12rem;line-height:var(--card-title-line-height);margin:0 0 var(--card-title-gap)}p{line-height:1.72}li{margin:8px 0;line-height:1.65}.container{max-width:var(--max-page-width);margin:0 auto;padding:56px 24px 72px}.card-grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;display:grid}.card,.panel{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-card);box-shadow:var(--shadow-card);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);padding:22px}.panel{margin:24px 0}.card h2,.panel h2,.card h3,.panel h3{line-height:var(--card-title-line-height);overflow-wrap:anywhere;margin-top:0;margin-bottom:var(--card-title-gap)}.card h2:last-child,.panel h2:last-child,.card h3:last-child,.panel h3:last-child{margin-bottom:0}.card h2+p,.panel h2+p,.card h3+p,.panel h3+p,.card h3+.muted,.panel h3+.muted,.card h3+.compact-meta,.panel h3+.compact-meta{margin-top:0}.warning-panel,.risk-note{background:linear-gradient(180deg, var(--color-risk-bg), #fffffff0);border-color:#b547083d}.empty-state{border-radius:var(--radius-card);color:var(--color-text-secondary);background:#ffffffa3;border:1px dashed #1f385833;gap:8px;padding:22px;display:grid}.badge{border-radius:var(--radius-control);width:fit-content;color:var(--color-accent-warm-strong);background:#f4a3401f;border:1px solid #f4a3406b;align-items:center;padding:6px 12px;font-weight:700;display:inline-flex}.muted{color:var(--color-text-secondary);line-height:1.75}.field-list{flex-wrap:wrap;gap:8px;margin:14px 0;display:flex}.field-list span,.field-list a{border-radius:var(--radius-control);color:var(--color-text-primary);background:#2f80ed14;border:1px solid #2f80ed2e;padding:7px 11px;text-decoration:none}.action-row{flex-wrap:wrap;gap:12px;margin-top:18px;display:flex}.button{border:1px solid var(--color-accent-warm);border-radius:var(--radius-control);background:linear-gradient(135deg, var(--color-accent-warm), #ffd18a);color:#2c1603;cursor:pointer;justify-content:center;align-items:center;gap:8px;padding:11px 18px;font-weight:800;text-decoration:none;transition:transform .16s,box-shadow .16s,border-color .16s,background .16s;display:inline-flex;box-shadow:0 10px 22px #f4a34038}.button.secondary{color:var(--color-text-primary);border-color:var(--color-border);box-shadow:none;background:#ffffffc2}.button:hover{transform:translateY(-2px);box-shadow:0 14px 30px #f4a34047}.button.secondary:hover{background:#fffffff0;border-color:#f4a34075;box-shadow:0 12px 26px #1b315414}.button:focus-visible{outline-offset:3px;outline:3px solid #2f80ed47}.button:disabled{cursor:not-allowed;opacity:.62}.button:disabled:hover{transform:none;box-shadow:0 10px 22px #f4a34038}.link-card{color:var(--color-text-primary);text-decoration:none;transition:transform .16s,box-shadow .16s;display:block}.link-card:hover{transform:translateY(-2px);box-shadow:0 24px 70px #1b31541f}.form-panel{gap:16px;max-width:760px;display:grid}.auth-form{gap:10px;max-width:520px;display:grid}.auth-form label{color:var(--color-text-primary);font-weight:800}.auth-form input{border:1px solid var(--color-border);background:var(--color-surface-elevated);color:var(--color-text-primary);font:inherit;border-radius:14px;outline:none;padding:13px 14px;box-shadow:inset 0 1px #fffc}.auth-form input:focus{border-color:var(--color-data-ai);box-shadow:0 0 0 4px #2f80ed1f}.form-field{color:var(--color-text-primary);gap:8px;font-weight:800;display:grid}.form-field input,.form-field select{border:1px solid var(--color-border);background:var(--color-surface-elevated);color:var(--color-text-primary);font:inherit;border-radius:14px;outline:none;padding:13px 14px;box-shadow:inset 0 1px #fffc}.form-field select{appearance:auto}.form-field input:focus,.form-field select:focus{border-color:var(--color-data-ai);box-shadow:0 0 0 4px #2f80ed1f}.themed-select-field{min-width:0;position:relative}.themed-select-trigger{border:1px solid var(--color-border);width:100%;min-height:52px;color:var(--color-text-primary);font:inherit;text-align:left;cursor:pointer;background:linear-gradient(#fffffffa,#fff9efd1);border-radius:14px;outline:none;grid-template-columns:minmax(0,1fr) 18px;align-items:center;gap:12px;padding:13px 14px;font-weight:850;transition:border-color .16s,box-shadow .16s,transform .16s;display:grid;box-shadow:inset 0 1px #ffffffdb}.themed-select-trigger>span:first-child{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.themed-select-trigger:hover{border-color:#f4a34073;box-shadow:inset 0 1px #ffffffdb,0 10px 22px #1f385814}.themed-select-trigger:focus-visible{border-color:var(--color-data-ai);box-shadow:0 0 0 4px #2f80ed1f,inset 0 1px #ffffffdb}.themed-select-trigger[aria-expanded=true]{border-color:var(--color-accent-warm);box-shadow:0 0 0 4px #f4a34024,inset 0 1px #ffffffdb}.themed-select-chevron{border-right:2px solid var(--color-text-primary);border-bottom:2px solid var(--color-text-primary);justify-self:center;width:9px;height:9px;transition:transform .16s;transform:translateY(-2px)rotate(45deg)}.themed-select-trigger[aria-expanded=true] .themed-select-chevron{transform:translateY(2px)rotate(225deg)}.themed-select-menu{z-index:30;background:#fffffffa;border:1px solid #1f385829;border-radius:14px;gap:4px;max-height:260px;padding:6px;display:grid;position:absolute;top:calc(100% + 8px);left:0;right:0;overflow:auto;box-shadow:0 18px 36px #10233f29}.themed-select-option{width:100%;color:var(--color-text-primary);font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;border-radius:10px;padding:10px 11px;font-weight:760;line-height:1.35}.themed-select-option:hover,.themed-select-option:focus-visible{color:var(--color-accent-warm-strong);background:#f4a3401f;outline:none}.themed-select-option.is-selected{color:var(--color-accent-warm-strong);background:linear-gradient(135deg,#f4a3402e,#ffd18a42)}.link-button{color:var(--color-data-ai);cursor:pointer;font:inherit;background:0 0;border:0;justify-self:start;padding:0;text-decoration:underline}.qr-panel{max-width:460px}.auth-layout{grid-template-columns:minmax(0,1.08fr) minmax(320px,.72fr);align-items:start;gap:24px;display:grid}.auth-side-panel{gap:16px;display:grid}.form-section{border-top:1px solid var(--color-border);gap:14px;padding:14px 0;display:grid}.form-section:first-of-type{border-top:0;padding-top:0}.form-field small{color:var(--color-text-secondary);font-weight:500;line-height:1.5}.support-panel{gap:var(--card-body-gap);display:grid}.support-panel h2,.support-panel h3{margin-bottom:0}.support-panel-expanded{background:linear-gradient(135deg,#fffffff0,#fff7ebeb),radial-gradient(circle at 100% 0,#2f80ed1f,#0000 22rem);gap:18px;overflow:hidden}.support-panel-copy{gap:10px;display:grid}.support-panel-copy .muted,.support-qr-card .muted{margin:0}.support-channel-tabs{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;display:grid}.support-channel-tab{min-width:0;min-height:74px;color:var(--color-text-primary);cursor:pointer;text-align:left;background:#ffffffad;border:1px solid #1f38581f;border-radius:18px;align-items:center;gap:10px;padding:12px;transition:transform .16s,border-color .16s,background .16s,box-shadow .16s;display:flex;box-shadow:0 10px 26px #1b31540d}.support-channel-tab:hover,.support-channel-tab:focus-visible{border-color:#2f80ed47;outline:none;transform:translateY(-1px);box-shadow:0 14px 34px #1b315414}.support-channel-tab.is-active{background:linear-gradient(135deg,#fff6e8f2,#ffffffc7);border-color:#f4a34080;box-shadow:0 16px 40px #c86e1f21}.support-channel-tab svg{color:var(--color-data-ai);flex:none;font-size:1.05rem}.support-channel-tab.is-active svg{color:var(--color-accent-warm-strong)}.support-channel-tab span{gap:2px;min-width:0;display:grid}.support-channel-tab strong{overflow-wrap:anywhere;font-size:.94rem;line-height:1.2}.support-channel-tab small{color:var(--color-text-secondary);font-size:.75rem;font-weight:700;line-height:1.35}.support-channel-detail{gap:14px;display:grid}.support-channel-detail .support-qr-card{justify-self:center;width:min(100%,420px)}.support-link-card{text-align:center;align-content:center;justify-items:center;min-height:360px}.support-channel-mark{width:96px;height:96px;color:var(--color-data-ai);background:linear-gradient(135deg,#2f80ed1f,#13795b1a);border:1px solid #2f80ed29;border-radius:999px;place-items:center;font-size:2.1rem;display:grid;box-shadow:inset 0 1px #ffffffc7}.qr-card{justify-items:start;gap:10px;display:grid}.support-qr-card{background:#ffffffb8;border:1px solid #1f38581f;border-radius:20px;align-content:start;min-height:100%;padding:16px;transition:transform .18s,border-color .18s,box-shadow .18s;box-shadow:0 14px 36px #1b315412}.support-qr-card:hover{border-color:#f4a34052;transform:translateY(-2px);box-shadow:0 18px 46px #1b31541a}.support-qr-primary{background:linear-gradient(#e8f7efdb,#fffc);border-color:#13795b2e}.support-qr-kicker{width:fit-content;color:var(--color-success);align-items:center;gap:7px;font-size:.8rem;font-weight:800;display:inline-flex}.qr-image{background:var(--color-surface-elevated);width:min(220px,100%);height:auto;box-shadow:var(--shadow-soft);border:1px solid #c86e1f52;border-radius:20px;justify-self:center}.support-qr-card .qr-image{object-fit:contain;width:min(260px,100%);max-height:300px}.support-qr-card h3{margin-bottom:0}.support-checklist{border-top:1px solid #1f38581a;padding-top:2px}.notice-list{margin:12px 0 0;padding-left:20px}.qr-placeholder{width:220px;height:220px;color:var(--color-accent-warm-strong);background:linear-gradient(135deg,#f4a34024,#2f80ed12);border:1px dashed #c86e1f73;border-radius:20px;place-items:center;margin:16px 0;font-weight:800;display:grid}.register-page{gap:40px;display:grid}.register-hero{grid-template-columns:minmax(0,1fr) minmax(320px,.58fr);align-items:end;gap:26px;display:grid}.register-hero-copy{max-width:760px}.register-hero h1{max-width:720px;font-size:clamp(2.6rem,5vw,4.35rem)}.register-hero .muted{max-width:720px}.register-hero-actions{align-items:center}.invite-discount-note{width:fit-content;max-width:100%;color:var(--color-accent-warm-strong);background:#fff7ebd1;border:1px solid #f4a34057;border-radius:10px;align-items:center;margin:0;padding:8px 10px;font-size:.88rem;font-weight:800;line-height:1.35;display:inline-flex}.invite-discount-note-inline{min-height:42px}.register-flow-card{align-self:stretch;gap:14px;margin:0;transition:transform .18s,box-shadow .18s,border-color .18s;display:grid}.register-flow-card:hover{border-color:#f4a34057;transform:translateY(-3px);box-shadow:0 24px 70px #1b31541c}.register-flow-list{gap:12px;margin:0;padding:0;list-style:none;display:grid}.register-flow-list li{border-radius:14px;grid-template-columns:auto minmax(0,1fr);align-items:start;gap:12px;margin:0;transition:background .16s,transform .16s;display:grid}.register-flow-list li:hover{background:#f4a34012;transform:translate(2px)}.register-flow-list span{width:30px;height:30px;color:var(--color-accent-warm-strong);background:#f4a3402e;border-radius:10px;place-items:center;font-weight:900;transition:background .16s,transform .16s,box-shadow .16s;display:grid}.register-flow-list li:hover span{background:#f4a34047;transform:scale(1.04);box-shadow:0 8px 20px #f4a34033}.register-flow-list p{color:var(--color-text-secondary);margin:0}.register-plan-section{gap:22px;display:grid}.membership-plan-heading{text-align:center;justify-items:center;gap:10px;display:grid}.membership-plan-heading p{max-width:780px;margin:0}.membership-plan-grid{grid-template-columns:repeat(3,minmax(0,1fr));align-items:stretch;gap:20px;display:grid}.price-plan-grid{grid-template-columns:repeat(2,minmax(0,1fr));max-width:960px;margin:0 auto}.price-hero-stat-row{flex-wrap:wrap;gap:10px;margin-top:16px;display:flex}.price-hero-stat-row span{border-radius:var(--radius-control);color:var(--color-success);background:#e8f7efd1;border:1px solid #13795b2e;align-items:center;gap:7px;padding:7px 11px;font-weight:850;line-height:1.35;display:inline-flex}.price-flow-card{background:linear-gradient(#fffffff0,#fff7ebeb),radial-gradient(circle at 100% 0,#13795b1f,#0000 20rem)}.membership-plan-card{border:1px solid var(--color-border);border-radius:var(--radius-card);min-height:660px;box-shadow:var(--shadow-card);background:#ffffffe6;flex-direction:column;gap:20px;padding:24px 22px;transition:transform .18s,box-shadow .18s,border-color .18s,background .18s;display:flex}.membership-plan-card:hover,.membership-plan-card:focus-within{border-color:#2f80ed3d;transform:translateY(-5px);box-shadow:0 28px 76px #1b315424}.membership-plan-gold{box-shadow:var(--shadow-gold);background:linear-gradient(#ffebbcf0,#fff7e3f5);border-color:#f4a34066}.membership-plan-gold:hover,.membership-plan-gold:focus-within{border-color:#f4a34094;box-shadow:0 30px 78px #f4a34042}.membership-plan-platinum{background:linear-gradient(#fffcf6fa,#f2e9d7e6);border-color:#d0b8887a}.membership-plan-platinum:hover,.membership-plan-platinum:focus-within{border-color:#bfa87c9e;box-shadow:0 30px 78px #7c6f5c24}.membership-plan-top{text-align:center;gap:12px;display:grid}.membership-plan-type{color:var(--color-text-primary);justify-self:center;font-size:1.28rem;font-weight:900;transition:color .16s}.membership-plan-card:hover .membership-plan-type,.membership-plan-card:focus-within .membership-plan-type{color:var(--color-accent-warm-strong)}.membership-plan-card h3{place-items:center;min-height:2.8em;margin:0;font-size:clamp(1.35rem,2.2vw,1.85rem);line-height:1.34;display:grid}.membership-plan-registration{color:var(--color-accent-warm-strong);margin:4px 0 0;font-size:1.06rem;font-weight:900;line-height:1.35}.membership-plan-access{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.membership-plan-access span{border-radius:var(--radius-control);color:var(--color-text-secondary);background:#2f80ed12;border:1px solid #2f80ed29;padding:6px 10px;font-size:.86rem;font-weight:800;transition:background .16s,border-color .16s,color .16s}.membership-plan-card:hover 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li.is-excluded{color:#5f6f85ad;font-weight:600}.membership-feature-marker{width:20px;height:20px;color:var(--color-success);background:#13795b24;border-radius:50%;place-items:center;margin-top:2px;font-weight:900;line-height:1;transition:transform .15s,background .15s,color .15s;display:grid}.membership-feature-list li:hover .membership-feature-marker{background:#13795b33;transform:scale(1.08)}.is-excluded .membership-feature-marker{color:#5f6f85c2;background:#5f6f8529}.membership-feature-list li.is-excluded:hover .membership-feature-marker{background:#5f6f8538}.membership-plan-note{color:var(--color-text-primary);background:#ffffffad;border:1px solid #f4a34038;border-radius:16px;margin:0;padding:14px;font-weight:700;line-height:1.55;transition:background .16s,border-color .16s}.membership-plan-card:hover .membership-plan-note,.membership-plan-card:focus-within .membership-plan-note{background:#ffffffd6;border-color:#f4a34057}.membership-plan-action{width:100%;margin-top:auto}.price-offer-card.is-selected{outline-offset:3px;outline:3px solid #2f80ed33}.price-offer-amount{justify-content:center;justify-items:center;gap:8px;min-height:86px;display:grid}.price-offer-amount strong{color:var(--color-text-primary);font-size:clamp(2rem,4vw,3.1rem);line-height:1}.price-offer-amount span{color:var(--color-text-secondary);font-size:.94rem;font-weight:700;line-height:1.35;-webkit-text-decoration:line-through #5f6f85b8;text-decoration:line-through #5f6f85b8;text-decoration-thickness:1.5px}.price-discount-row{color:var(--color-success);background:#e8f7efbd;border:1px solid #13795b2e;border-radius:16px;justify-content:space-between;gap:10px;padding:12px 14px;font-weight:850;display:none}.price-payment-page{align-items:stretch}.price-payment-heading{gap:18px;max-width:860px;margin:0 auto;display:grid}.price-payment-heading h1{margin:8px 0 10px;font-size:clamp(2rem,4vw,3rem);line-height:1.08}.price-payment-heading p{max-width:760px;margin:0}.price-payment-order-section{width:100%;max-width:1180px;margin:0 auto}.price-payment-support-grid{width:100%;max-width:920px;margin:0 auto}.price-order-section{grid-template-columns:minmax(0,.92fr) minmax(320px,.64fr);align-items:start;gap:20px;scroll-margin-top:96px;display:grid}.price-payment-order-section{grid-template-columns:minmax(0,min(100%,820px));justify-content:center}.price-payment-order-section.has-invoice{grid-template-columns:minmax(0,.92fr) minmax(320px,.64fr);justify-content:stretch}.price-order-panel,.price-invoice-panel{margin:0}.price-order-heading{gap:10px;margin-bottom:18px;display:grid}.price-order-heading p{margin:0}.price-order-form{gap:14px;display:grid}.price-contact-grid{grid-template-columns:minmax(210px,236px) minmax(0,1fr);align-items:start;gap:14px;display:grid}.price-contact-grid .form-field{min-width:0}.price-order-total{background:#fff7ebc7;border:1px solid #f4a3403d;border-radius:18px;grid-template-columns:minmax(0,1fr) auto;align-items:baseline;gap:6px 14px;padding:14px;display:grid}.price-order-total span,.price-order-total small{color:var(--color-text-secondary);font-weight:750}.price-order-total strong{color:var(--color-accent-warm-strong);font-size:1.45rem;line-height:1.1}.price-order-total small{grid-column:1/-1;line-height:1.5}.price-error-status{color:var(--color-risk)}.price-invoice-panel{gap:var(--card-body-gap);border-color:#2f80ed29;display:grid}.price-invoice-panel.is-success{background:linear-gradient(#e8f7efdb,#ffffffe6);border-color:#13795b47}.price-invoice-panel.is-review{background:linear-gradient(#fff0dfe0,#ffffffe6);border-color:#b547083d}.price-invoice-panel.is-error{border-color:#b5470857}.price-invoice-top{gap:8px;display:grid}.price-invoice-top 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