@import"https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Serif:wght@500;600&display=swap";:root{--bg: #f7f7f4;--surface: #ffffff;--line: #d7d7d2;--line-soft: #e8e8e3;--ink: #111111;--muted: #4f4f4b;--accent: #0f5eea;--accent-soft: #ebf2ff;--radius: 20px;--radius-lg: 28px;--shadow: 0 14px 38px -28px rgba(0, 0, 0, .35)}*{box-sizing:border-box}[hidden]{display:none!important}html{scroll-behavior:smooth}body{margin:0;font-family:IBM Plex Sans,Noto Sans SC,system-ui,sans-serif;background:linear-gradient(180deg,#fdfdfc 0%,var(--bg) 65%,#f3f3ef 100%);color:var(--ink);line-height:1.6}a{color:inherit;text-decoration:none}.container{width:min(1200px,calc(100% - 48px));margin-inline:auto}.site-header{position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line-soft);background:#fcfcf9eb;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.nav{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:inline-flex;align-items:center;gap:12px;font-weight:600;letter-spacing:.02em}.brand img{width:34px;height:34px;object-fit:contain}.nav-links{display:flex;gap:22px;color:var(--muted);font-size:.95rem}.nav-links a{transition:color .2s ease}.nav-links a:hover{color:var(--ink)}.nav-actions{display:inline-flex;align-items:center;justify-content:flex-end;gap:10px;flex-shrink:0}.nav-cta{border:1px solid var(--ink);border-radius:999px;padding:9px 18px;font-size:.9rem;font-weight:600;transition:background-color .2s ease,color .2s ease}.nav-cta:hover{background:var(--ink);color:#fff}.nav-cta-secondary{border-color:var(--line);background:#fff;color:var(--ink)}.nav-cta-secondary:hover{border-color:var(--ink)}.favorite-card{position:fixed;top:92px;right:24px;z-index:18;width:min(290px,calc(100vw 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span{display:block;color:var(--muted);font-size:.78rem}.upgrade-result strong,.upgrade-summary strong{display:block;margin-top:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.96rem}.upgrade-summary{border:1px solid var(--line);border-radius:8px;background:#fff;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));overflow:hidden}.upgrade-test-note{margin:0 0 14px;border:1px solid #ded8be;border-radius:8px;background:#fffdf4;color:#695a20;padding:10px 12px;font-size:.9rem;font-weight:700}.upgrade-summary div+div{border-left:1px solid var(--line-soft)}.upgrade-actions{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;margin-top:14px}.upgrade-button-secondary{min-height:48px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);font:inherit;font-size:.95rem;font-weight:700;padding:0 16px;cursor:pointer;transition:border-color .2s ease,background-color .2s ease}.upgrade-button-secondary:hover{border-color:var(--ink);background:#fcfcfa}.upgrade-task{margin-top:14px;border-top:1px solid var(--line-soft);padding-top:14px;color:var(--muted);font-size:.94rem;font-weight:600}.upgrade-modal{position:fixed;inset:0;z-index:60;display:grid;place-items:center;padding:18px;background:#1111115c;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.upgrade-modal-panel{width:min(420px,100%);border:1px solid var(--line);border-radius:8px;background:var(--surface);box-shadow:0 24px 58px -34px #00000080;padding:24px}.upgrade-modal-panel h2{font-family:IBM Plex Sans,Noto Sans SC,system-ui,sans-serif;font-size:1.25rem;letter-spacing:0}.upgrade-modal-panel p{margin:12px 0 0;color:var(--muted);font-weight:600}.upgrade-modal-actions{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:10px;margin-top:22px}.upgrade-footer{padding:0 16px 28px;text-align:center;color:#61615d;font-size:.93rem}.upgrade-footer p{margin:2px 0}@media(max-width:980px){.nav-links{display:none}.favorite-card{position:static;width:min(1200px,calc(100% - 48px));margin:14px auto 0}.plan-grid,.assurance-grid,.faq-list{grid-template-columns:1fr}.upgrade-steps{grid-template-columns:1fr;gap:10px}.upgrade-step-line{width:4px;height:18px;justify-self:center}.upgrade-result,.upgrade-summary,.upgrade-actions{grid-template-columns:1fr}.upgrade-result div+div,.upgrade-summary div+div{border-left:0;border-top:1px solid var(--line-soft)}.upgrade-modal-actions{grid-template-columns:1fr}}@media(max-width:640px){.container{width:min(1200px,calc(100% - 32px))}.favorite-card{width:min(1200px,calc(100% - 32px));margin-top:12px}.upgrade-page.container{width:min(980px,calc(100% - 32px))}.upgrade-heading{margin-bottom:22px}.upgrade-process-title{align-items:flex-start;padding:22px 20px}.upgrade-process-title>span{display:none}.upgrade-progress{grid-template-columns:1fr 1fr;gap:18px 8px;margin:16px 16px 0;padding:20px 12px}.upgrade-progress li{justify-content:flex-start;font-size:.82rem}.upgrade-progress li:not(:last-child):after{display:none}.upgrade-key-form{padding:24px 16px 8px}.upgrade-help{margin-inline:16px}.upgrade-account-summary{grid-template-columns:1fr}.upgrade-account-summary div:nth-child(2n){border-left:0}.upgrade-account-summary div:nth-child(n+2){border-top:1px solid var(--line-soft)}main{padding:58px 0 86px}main section{margin-top:72px}.nav{min-height:70px;gap:14px}.brand{gap:9px;font-size:.9rem}.brand img{width:30px;height:30px}.nav-actions{gap:8px}.nav-cta{padding:8px 12px;font-size:.82rem}.hero-meta{flex-direction:column;gap:8px}.resource-item{flex-direction:column;align-items:flex-start}.subscribe{padding:24px;border-radius:24px}.upgrade-main{min-height:auto;padding:32px 0 28px}.upgrade-hero.container{width:min(980px,calc(100% - 32px))}.upgrade-hero{gap:18px}.upgrade-title-card{min-height:128px}.upgrade-flow-card{padding:22px 16px}}