.platform{--brand:#1b2a5b;--brand-dark:#121d42;--brand-soft:#eef1f8;--brand-tint:#dde3f1;background:#fff;min-height:100vh}.platform-status{color:#78350f;text-align:center;background:#fef3c7;padding:7px 16px;font-size:.85rem}.platform-header{z-index:20;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#ffffffeb;position:sticky;top:0}.platform-header-row{align-items:center;gap:32px;min-height:68px;display:flex}.platform-logo{align-items:center;gap:10px;font-size:1.3rem;font-weight:700;display:flex}.platform-logo-image{object-fit:contain;width:36px;height:36px}.platform-logo-mark{background:var(--brand);color:#fff;border-radius:10px;place-items:center;width:36px;height:36px;font-size:1.15rem;font-weight:700;display:grid}.platform-logo-large{border-radius:16px;width:56px;height:56px;font-size:1.7rem}.platform-nav{color:var(--ink-soft);gap:24px;font-weight:500;display:flex}.platform-nav a:hover{color:var(--brand)}.platform-header-actions{gap:10px;margin-left:auto;display:flex}.platform-hero{background:linear-gradient(#fff, var(--brand-soft));text-align:center;padding:72px 0 0}.platform-hero h1{font-size:clamp(2.1rem,5vw,3.5rem);line-height:1.25}.platform-lead{max-width:40em;color:var(--ink-soft);margin:20px auto 0;font-size:1.15rem}.platform-cta{flex-wrap:wrap;justify-content:center;gap:12px;margin-top:32px;display:flex}.platform-shot{border:1px solid var(--line);background:#f5f5f4;border-bottom:0;border-radius:18px 18px 0 0;max-width:1120px;margin:56px auto 0;overflow:hidden;box-shadow:0 -8px 40px #4338ca1f}.platform-shot img{width:100%;height:auto}.platform-hero .platform-shot img{margin-top:-2.4%}.platform-shot-small{border-bottom:1px solid var(--line);box-shadow:var(--shadow);border-radius:14px;margin:0}.platform-section{padding-top:80px;padding-bottom:8px}.platform-section h2,.platform-band h2,.platform-final h2{font-size:clamp(1.5rem,3vw,2rem)}.platform-sub{max-width:44em;color:var(--ink-soft);margin-top:8px;font-size:1.05rem}.platform-features{grid-template-columns:repeat(3,1fr);gap:20px;margin-top:32px;display:grid}.platform-features li{border:1px solid var(--line);border-radius:var(--radius);background:#fff;flex-direction:column;gap:6px;padding:22px;display:flex}.platform-features strong{font-size:1.1rem}.platform-features span{color:var(--ink-soft)}.platform-band{background:var(--brand-soft);margin-top:80px;padding:72px 0}.platform-split{grid-template-columns:1fr 1.15fr;align-items:center;gap:48px;display:grid}.platform-split .button{margin-top:24px}.platform-steps{grid-template-columns:repeat(3,1fr);gap:20px;margin:32px 0 0;padding:0;list-style:none;display:grid}.platform-steps li{flex-direction:column;gap:4px;display:flex}.platform-steps span:last-child{color:var(--ink-soft)}.platform-step-number{background:var(--brand);color:#fff;border-radius:999px;place-items:center;width:40px;height:40px;margin-bottom:10px;font-weight:700;display:grid}.platform-planned{color:var(--ink-soft);grid-template-columns:repeat(2,1fr);gap:10px 24px;margin-top:24px;display:grid}.platform-planned li:before{content:"○";color:var(--brand);margin-right:10px}.platform-final{background:var(--brand-dark);color:#fff;text-align:center;margin-top:80px;padding:72px 0}.platform-final p{opacity:.85;margin-top:8px}.platform-final .button-primary{color:var(--brand-dark);background:#fff}.platform-final .button-ghost{color:#fff;background:0 0;border-color:#fff6}.platform-footer{border-top:1px solid var(--line);color:var(--ink-soft);padding:28px 0;font-size:.92rem}.platform-footer-row{flex-wrap:wrap;justify-content:space-between;gap:12px 24px;display:flex}.platform-footer nav{gap:20px;display:flex}.platform-footer a:hover{color:var(--brand)}.platform-page{padding-top:56px;padding-bottom:72px}.platform-page h1{font-size:clamp(1.8rem,4vw,2.5rem)}.platform-plans{grid-template-columns:repeat(4,1fr);gap:16px;margin-top:36px;display:grid}.platform-plans>li{border:1.5px solid var(--line);border-radius:var(--radius);flex-direction:column;gap:4px;padding:22px;display:flex}.platform-plans>li.is-featured{border-color:var(--brand);background:var(--brand-soft)}.platform-plans strong{font-size:1.35rem}.platform-plan-fit{color:var(--brand);font-size:.88rem;font-weight:600}.platform-plan-price{color:var(--ink-soft);font-size:.9rem}.platform-plans ul{border-top:1px solid var(--line);gap:8px;margin-top:16px;padding-top:16px;font-size:.94rem;display:grid}.platform-plans ul li:before{content:"✓";color:var(--brand);margin-right:8px;font-weight:700}.platform-note{color:var(--ink-soft);margin-top:24px;font-size:.92rem}.platform-note a{color:var(--brand);text-underline-offset:3px;text-decoration:underline}.platform-register{border:1px solid var(--line);border-radius:20px;grid-template-columns:1fr 1fr;max-width:980px;margin:0 auto;display:grid;overflow:hidden}.platform-register-side{background:var(--brand-soft);flex-direction:column;justify-content:center;gap:16px;padding:48px;display:flex}.platform-register-side ul{color:var(--ink-soft);gap:8px;display:grid}.platform-register-side li:before{content:"✓";color:var(--brand);margin-right:8px;font-weight:700}.platform-register-form{padding:48px}.platform-register-form h1{font-size:1.6rem}.platform-register-closed{border-radius:var(--radius-small);color:#78350f;background:#fef3c7;margin-top:10px;padding:10px 14px;font-size:.92rem;font-weight:500}.platform-methods{gap:10px;margin-top:20px;display:grid}.platform-methods button{border:1.5px solid var(--line);min-height:50px;color:var(--ink-soft);cursor:not-allowed;opacity:.6;background:#fff;border-radius:12px;font-weight:600}@media (max-width:1000px){.platform-plans{grid-template-columns:repeat(2,1fr)}}@media (max-width:860px){.platform-nav{display:none}.platform-features,.platform-steps,.platform-split,.platform-register,.platform-planned{grid-template-columns:1fr}.platform-hero{padding-top:48px}.platform-register-side,.platform-register-form{padding:28px}}@media (max-width:560px){.platform-plans{grid-template-columns:1fr}.platform-header-actions .button-ghost{display:none}}.auth-page{background:var(--brand-soft);place-items:center;padding:32px 16px;display:grid}.auth-card{border:1px solid var(--line);background:#fff;border-radius:20px;gap:16px;width:100%;max-width:420px;padding:36px;display:grid}.auth-card h1{font-size:1.5rem}.auth-choice{color:var(--ink-soft);margin:12px 0 8px;font-size:.95rem}.auth-choice strong{color:var(--ink);display:block}.auth-form{gap:4px;display:grid}.auth-form .button{margin-top:18px}.auth-form .link-button{justify-self:center;margin-top:10px}.auth-error,.auth-notice{border-radius:var(--radius-small);padding:10px 14px;font-size:.93rem;font-weight:500}.auth-error{color:#991b1b;background:#fee2e2}.auth-notice{background:var(--brand-soft);color:var(--brand-dark)}.auth-foot{color:var(--ink-soft);text-align:center;margin-top:16px;font-size:.93rem}.auth-foot a{color:var(--brand);font-weight:600}.platform-register-form .auth-form{margin-top:16px}.period-toggle{border:1.5px solid var(--line);background:#fff;border-radius:999px;flex-wrap:wrap;gap:4px;margin-top:28px;padding:5px;display:inline-flex}.period-toggle button{color:var(--ink-soft);cursor:pointer;background:0 0;border:0;border-radius:999px;align-items:center;gap:8px;padding:9px 18px;font-weight:600;display:flex}.period-toggle button span{background:var(--ink);color:#fff;border-radius:999px;padding:1px 8px;font-size:.78rem}.period-toggle button.is-active{background:var(--brand);color:#fff}.period-toggle button.is-active span{color:var(--brand);background:#fff}.platform-plan-fit{justify-content:space-between;align-items:center;gap:8px;display:flex}.platform-plan-fit em{background:var(--brand);color:#fff;border-radius:999px;padding:1px 10px;font-size:.78rem;font-style:normal}.platform-plan-amount{margin-top:6px;font-size:2rem;font-weight:700;line-height:1.2}.platform-plan-amount small{color:var(--ink-soft);font-size:.95rem;font-weight:500}.platform-plans>li{background:#fff}.platform-plans ul{flex:1;align-content:start;margin-bottom:18px}.platform-plans ul li.is-off{color:#a8a29e;text-decoration:line-through}.platform-plans ul li.is-off:before{content:"–";color:#a8a29e}.platform-every{border-radius:var(--radius);background:var(--brand-soft);margin-top:24px;padding:20px 22px}.platform-every ul{color:var(--ink-soft);flex-wrap:wrap;gap:6px 24px;margin-top:8px;display:flex}.platform-every li:before{content:"✓";color:var(--brand);margin-right:8px;font-weight:700}.platform-or{color:var(--ink-soft);text-align:center;margin-top:24px;font-size:.88rem}.platform-methods-row{grid-template-columns:repeat(4,1fr);margin-top:10px}.platform-methods-row button{min-height:42px;font-size:.88rem}.platform-contact{margin:24px 0 8px;font-size:1.4rem}.platform-contact a{color:var(--brand);font-weight:700}