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.wrap{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:20px 40px;display:flex}.foot p{color:var(--ink-3);max-width:42ch;margin-top:10px;font-size:14px}.foot nav{flex-wrap:wrap;gap:10px 22px;display:flex}.foot nav a{color:var(--ink-2);font-size:14px;text-decoration:none}.foot nav a:hover{color:var(--ink)}.foot small{width:100%;color:var(--ink-3);border-top:1px solid var(--line);padding-top:20px;font-size:12.5px;display:block}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition:none!important;animation:none!important}}.err-box{background:var(--high-soft);color:var(--ink);border-radius:12px;margin:0;padding:12px 14px;font-size:14.5px}.btn[disabled]{opacity:.7;cursor:progress}.contract-slot{min-width:0}.csteps{gap:18px;margin:28px 0 0;padding:0;list-style:none;display:grid}.csteps li{grid-template-columns:36px minmax(0,1fr);align-items:start;gap:14px;display:grid}.csteps .num{background:var(--grad);color:#fff;width:36px;height:36px;font:700 15px var(--f-mono);border-radius:50%;place-items:center;display:grid}.csteps h3{font-family:var(--f-body);font-size:16.5px;font-weight:600}.csteps p{color:var(--ink-2);margin-top:2px;font-size:15px}.uses{margin-top:26px}.stack{align-content:start;gap:20px;display:grid}.rules{margin:0;padding:0;list-style:none}.rules li{border-bottom:1px solid var(--line);grid-template-columns:24px minmax(0,1fr) auto;align-items:center;gap:12px;padding:12px 20px;font-size:14.5px;display:grid}.rules .ico{width:22px;height:22px;font:700 13px/1 var(--f-mono);border-radius:50%;place-items:center;display:grid}.rules .ok .ico{background:var(--low-soft);color:var(--low)}.rules .no .ico{background:var(--surface-2);color:var(--ink-3)}.rules .hard .ico{background:var(--high-soft);color:var(--high)}.rules em{font:600 11.5px var(--f-mono);color:var(--ink-3);white-space:nowrap;font-style:normal}.rules .ok em{color:var(--low)}.rules .hard 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(max-width:760px){.duo{grid-template-columns:1fr}.duo-join{justify-self:center}}.duo-card{border-radius:var(--r-card);border:1px solid var(--line);align-content:start;gap:10px;padding:26px;display:grid}.duo-card h3{letter-spacing:var(--track-display);font-size:clamp(1.35rem,2.2vw,1.6rem)}.duo-card p{color:var(--ink-2);font-size:15.5px}.duo-label{font:600 11.5px var(--f-mono);letter-spacing:.08em;text-transform:uppercase;border-radius:999px;justify-self:start;padding:5px 10px}.duo-circle{background:var(--surface-2)}.duo-circle .duo-label{background:var(--deep);color:var(--on-deep)}.duo-public{background:var(--grad);color:#fff;border-color:#0000}.duo-public p{color:#ffffffe6}.duo-public .duo-label{color:#fff;background:#fff3}.duo-join{background:var(--surface);border:1px solid var(--line-strong);width:48px;height:48px;font:600 22px/1 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p:last-child{color:var(--ink-2);max-width:64ch;font-size:1.02rem}.portal-sample-grid{grid-template-columns:repeat(6,minmax(0,1fr));gap:18px;margin-top:22px;display:grid}.portal-sample{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-control);box-shadow:var(--shadow);grid-column:span 3;overflow:hidden}.portal-profile-sample,.portal-mobile-strip{grid-column:span 4}.portal-topup-sample,.portal-danger-sample{grid-column:span 2}.portal-form-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:0;padding:20px;display:grid}.portal-form-grid div{border:1px solid var(--line);background:var(--surface-2);border-radius:14px;gap:5px;padding:14px;display:grid}.portal-form-grid dt{font:700 12px var(--f-mono);color:var(--ink-3)}.portal-form-grid dd{overflow-wrap:anywhere;margin:0;font-weight:750}.portal-inline-actions{flex-wrap:wrap;gap:10px;padding:0 20px 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p{color:var(--ink-2);font-size:14px}.portal-mini-phones{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;padding:20px;display:grid}.portal-mini-phone{background:var(--surface-2);border:1px solid var(--line);border-radius:24px;gap:12px;min-height:184px;padding:14px;display:grid}.portal-mini-phone-head{align-items:center;gap:9px;display:flex}.portal-mini-phone-head .portal-mark{width:28px;height:28px;box-shadow:none;border-radius:10px}.portal-mini-phone-head .portal-mark span{border-width:2px;width:12px;height:12px}.portal-mini-phone p{color:var(--ink-2);font-size:13.5px}.portal-mini-phone>span{font:700 11.5px var(--f-mono);color:var(--accent-text);background:var(--accent-soft);border-radius:999px;place-self:end start;padding:5px 9px}.portal-flow-board{padding-top:8px}.portal-operation-sample,.portal-state-sample,.portal-sharing-sample,.portal-notification-sample{grid-column:span 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var(--f-mono);color:var(--ink-3)}.portal-state-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;padding:20px;display:grid}.portal-state-card{border:1px solid var(--line);background:var(--surface-2);border-radius:16px;gap:7px;min-height:132px;padding:15px;display:grid}.portal-state-card:first-child{background:linear-gradient(90deg,var(--surface-2),var(--surface));background-size:180% 100%;animation:1.8s ease-in-out infinite portal-shimmer}.portal-state-card:nth-child(3){border-color:color-mix(in srgb,var(--high)36%,transparent);background:var(--high-soft)}.portal-state-card b{font-size:15px}.portal-state-card p{color:var(--ink-2);font-size:13.5px}@keyframes portal-shimmer{0%,to{background-position:0 0}50%{background-position:100% 0}}@media (prefers-reduced-motion:reduce){.portal-state-card:first-child{animation:none}}@media (max-width:1120px){.portal-sample,.portal-profile-sample,.portal-topup-sample,.portal-danger-sample,.portal-mobile-strip,.portal-operation-sample,.portal-state-sample,.portal-sharing-sample,.portal-notification-sample{grid-column:span 6}}@media (max-width:720px){.portal-form-grid,.portal-support-form,.portal-mini-phones,.portal-state-grid{grid-template-columns:1fr}.portal-inline-actions .portal-button{width:100%}.portal-session-list li{display:grid}.portal-sample-grid{gap:14px}.portal-progress-list li{grid-template-columns:32px minmax(0,1fr)}.portal-progress-list b{grid-column:2}}.portal-access-board{overflow:hidden}.portal-access-grid{background:var(--line);border-top:1px solid var(--line);grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;display:grid}.portal-access-card{background:var(--surface);align-content:start;gap:8px;min-height:190px;padding:18px;display:grid}.portal-access-card span{font:800 12px var(--f-mono);color:var(--accent-text);letter-spacing:.08em}.portal-access-card b{letter-spacing:-.015em;font-size:1.05rem}.portal-access-card p{color:var(--ink-2);font-size:13.5px}.portal-access-card .portal-button{align-self:end;width:max-content;margin-top:8px}@media (max-width:980px){.portal-access-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:560px){.portal-access-grid{grid-template-columns:1fr}.portal-access-card .portal-button{width:100%}}.portal-detail-page{gap:20px;display:grid}.portal-detail-header{border:1px solid var(--line);border-radius:var(--r-card);background:linear-gradient(135deg,var(--surface),var(--surface-2));box-shadow:var(--shadow);justify-content:space-between;align-items:start;gap:18px;padding:22px;display:flex}.portal-detail-header h1{letter-spacing:-.026em;font-size:clamp(1.65rem,3vw,2.35rem);line-height:1.08}.portal-detail-header p:last-child{max-width:66ch;color:var(--ink-2);margin-top:8px}.portal-detail-grid{gap:18px;display:grid}.portal-detail-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.portal-detail-card{gap:16px;padding:20px;display:grid}.portal-detail-card h2{letter-spacing:-.02em;font-size:1.25rem;line-height:1.2}.portal-detail-card p{color:var(--ink-2)}.portal-form-grid.detail,.portal-support-form.detail{padding:0}.portal-device-list.detail,.portal-credit-strip.detail{border:1px solid var(--line);border-radius:16px;overflow:hidden}.portal-topup-card.detail{margin:0}.portal-session-list.detail{border:1px solid var(--line);border-radius:16px;overflow:hidden}.portal-progress-list.detail{padding:0}.portal-check-list{gap:10px;margin:0;padding:0;list-style:none;display:grid}.portal-check-list li{color:var(--ink-2);grid-template-columns:22px minmax(0,1fr);gap:10px;font-size:14px;display:grid}.portal-check-list li:before{content:"";background:var(--accent-soft);width:22px;height:22px;box-shadow:inset 0 0 0 6px var(--surface);border:1px solid var(--accent-line);border-radius:999px}.portal-danger-zone.detail{background:var(--high-soft);margin:0}@media (max-width:900px){.portal-detail-header{display:grid}.portal-detail-grid.two{grid-template-columns:1fr}}.portal-auth-page{place-items:center;padding:24px;display:grid}.portal-auth-card{border:1px solid var(--line);border-radius:var(--r-card);background:var(--surface);width:min(100%,520px);box-shadow:var(--shadow);gap:16px;padding:28px;display:grid}.portal-auth-card h1{letter-spacing:-.03em;font-size:clamp(1.8rem,4vw,2.6rem);line-height:1.05}.portal-auth-card p{color:var(--ink-2)}.portal-auth-card small{color:var(--ink-3)}.portal-auth-warning{border:1px solid var(--mid);background:var(--mid-soft);color:var(--ink);border-radius:16px;padding:14px 16px;font-weight:650}