.arx-intro{display:grid;grid-gap:var(--space-4);gap:var(--space-4);padding:clamp(20px,3.4vw,34px);border-radius:var(--radius-xl,22px);background:linear-gradient(165deg,var(--surface),var(--bg-elevated));box-shadow:0 10px 34px rgba(27,40,101,.08);border:1px solid color-mix(in srgb,var(--navy-300) 10%,transparent)}.arx-intro-meta{display:flex;flex-wrap:wrap;gap:var(--space-2)}.arx-intro-meta>span{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:var(--radius-full);font-size:var(--fs-caption);font-weight:700;color:var(--text-strong);background:color-mix(in srgb,var(--navy-300) 9%,var(--surface))}.arx-intro-meta svg{color:var(--accent-strong)}.arx-intro-meta .arx-intro-price s{color:var(--text-muted);font-weight:600}.arx-intro-meta .arx-intro-free{color:var(--text-success);background:color-mix(in srgb,var(--teal) 14%,var(--surface))}.arx-intro-paid-note{color:var(--text-muted)}.arx-intro-paid-note,.arx-pay-plan{margin:0;font-size:var(--fs-small);line-height:2}.arx-pay-plan{display:flex;gap:var(--space-2);align-items:flex-start;padding:var(--space-3);border-radius:var(--radius-md);background:color-mix(in srgb,var(--accent) 8%,transparent);border:1px solid color-mix(in srgb,var(--accent) 22%,transparent);color:var(--text)}.arx-pay-plan>svg{flex:none;-webkit-margin-before:5px;margin-block-start:5px;color:var(--accent)}.arx-pay-offer{display:grid;grid-gap:var(--space-3);gap:var(--space-3)}.arx-pay-rows{display:grid;grid-gap:var(--space-2);gap:var(--space-2);margin:0}.arx-pay-rows>div{display:flex;justify-content:space-between;gap:var(--space-3);font-size:var(--fs-small)}.arx-pay-rows dt{color:var(--text-muted)}.arx-pay-rows dd{margin:0;font-weight:700;color:var(--text-strong)}.arx-pay-rows>div.is-due dd{color:var(--accent);font-size:var(--fs-body)}.arx-pay-note{margin:0;font-size:var(--fs-small);line-height:2;color:var(--text-muted)}.arx-intro-title{margin:0;font-size:clamp(18px,2.2vw,22px);color:var(--text-strong)}.arx-intro-desc{margin:0;font-size:var(--fs-body);line-height:2;color:var(--text)}.arx-intro-guide{display:grid;grid-gap:var(--space-2);gap:var(--space-2);padding:var(--space-4);border-radius:var(--radius-lg);background:var(--brand-soft)}.arx-intro-guide b,.arx-intro-guide p{color:var(--text-strong)}.arx-intro-guide p{margin:0;line-height:2}.arx-intro-guide .arx-intro-small{font-size:var(--fs-caption);color:var(--text-muted)}.arx-intro-subject{font-weight:700}.arx-intro-actions{display:flex;flex-wrap:wrap;gap:var(--space-2);align-items:center}.arx{grid-template-rows:minmax(0,1fr) auto;max-block-size:calc(100dvh - var(--topbar-h, 64px) - var(--bottomnav-h, 64px) - 140px)}.arx,.arx-body{display:grid;grid-gap:var(--space-4);gap:var(--space-4)}.arx-body{align-content:start;min-block-size:0;overflow:auto;scroll-padding-block:16px;padding:3px;border-radius:var(--radius-lg)}.arx-body:focus-visible{outline:2px solid var(--ring);outline-offset:2px}.arx-progress{display:grid;grid-gap:var(--space-2);gap:var(--space-2);padding:var(--space-3) var(--space-4);border-radius:var(--radius-lg);background:var(--surface);border:1px solid color-mix(in srgb,var(--navy-300) 12%,transparent)}.arx-progress-row{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-2) var(--space-4)}.arx-progress-count{font-size:var(--fs-small);color:var(--text-muted)}.arx-progress-count b{color:var(--text-strong);font-size:var(--fs-body)}.arx-progress-pct{font-size:var(--fs-caption);color:var(--text-muted)}.arx-grid-toggle{-webkit-margin-start:auto;margin-inline-start:auto;display:inline-flex;align-items:center;gap:4px;min-block-size:44px;padding-inline:12px;border-radius:var(--radius-full);cursor:pointer;font:inherit;font-size:var(--fs-caption);font-weight:700;color:var(--text-strong);background:transparent;border:1px solid color-mix(in srgb,var(--navy-300) 18%,transparent)}.arx-grid-toggle[aria-expanded=true] svg{transform:rotate(180deg)}.arx-bar{block-size:6px;border-radius:var(--radius-full);overflow:hidden;background:color-mix(in srgb,var(--navy-300) 14%,transparent)}.arx-bar>span{display:block;block-size:100%;border-radius:inherit;background:linear-gradient(90deg,var(--teal),var(--accent));transition:inline-size .24s var(--ease)}.arx-grid{list-style:none;margin:var(--space-2) 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(40px,1fr));grid-gap:6px;gap:6px;max-block-size:220px;overflow-y:auto;overscroll-behavior:contain}.arx-cell{inline-size:100%;block-size:44px;min-block-size:44px;border-radius:10px;cursor:pointer;font:inherit;font-size:12px;font-weight:700;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;color:var(--text-muted);background:var(--surface);border:1px solid color-mix(in srgb,var(--navy-300) 18%,transparent)}.arx-cell.done{color:var(--text-strong);background:color-mix(in srgb,var(--teal) 14%,var(--surface));border-color:transparent}.arx-cell.current{color:#fff;background:var(--accent);border-color:var(--accent)}.arx-cell.skipped{opacity:.35;cursor:default;text-decoration:line-through}.arx-q{display:grid;grid-gap:var(--space-4);gap:var(--space-4);padding:clamp(20px,3.4vw,32px);border-radius:var(--radius-xl,22px);background:var(--surface);box-shadow:0 10px 30px rgba(27,40,101,.07);animation:arx-in .22s var(--ease) both}@keyframes arx-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.arx-q-num{font-size:var(--fs-caption);font-weight:800;color:var(--accent-strong)}.arx-q-text{margin:0;font-size:clamp(17px,2.1vw,21px);line-height:1.9;font-weight:800;color:var(--text-strong);outline:none}.arx-options{grid-gap:var(--space-3)}.arx-opt,.arx-options{display:grid;gap:var(--space-3)}.arx-opt{grid-template-columns:auto 1fr auto;align-items:center;grid-gap:var(--space-3);inline-size:100%;min-block-size:56px;padding:var(--space-3) var(--space-4);text-align:start;cursor:pointer;font:inherit;border-radius:var(--radius-lg);border:1.5px solid color-mix(in srgb,var(--navy-300) 18%,transparent);background:var(--surface);color:var(--text);transition:border-color .14s var(--ease),background .14s var(--ease),box-shadow .14s var(--ease),transform .14s var(--ease)}.arx-opt:hover{border-color:color-mix(in srgb,var(--accent) 45%,transparent);box-shadow:0 6px 18px rgba(27,40,101,.07)}.arx-opt:active{transform:scale(.995)}.arx-opt:focus-visible{outline:2px solid var(--ring);outline-offset:2px}.arx-opt-key{display:grid;place-items:center;inline-size:34px;block-size:34px;border-radius:10px;font-size:13px;font-weight:800;color:var(--text-strong);background:color-mix(in srgb,var(--navy-300) 10%,var(--surface))}.arx-opt-label{font-size:var(--fs-body);line-height:1.85}.arx-opt-check{display:grid;place-items:center;inline-size:26px;block-size:26px;border-radius:50%;color:transparent;border:1.5px solid color-mix(in srgb,var(--navy-300) 25%,transparent)}.arx-opt.on{border-color:var(--accent);background:var(--accent-soft);color:var(--text-strong)}.arx-opt.on .arx-opt-key{background:var(--accent);color:#fff}.arx-opt.on .arx-opt-label{font-weight:700}.arx-opt.on .arx-opt-check{color:#fff;background:var(--accent);border-color:var(--accent)}.arx-nav{position:relative;display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);padding:var(--space-3);border-radius:var(--radius-lg);background:color-mix(in srgb,var(--surface) 90%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 10px 28px rgba(27,40,101,.1);-webkit-margin-after:0;margin-block-end:0}.arx-nav>.ds-btn{min-block-size:48px}.arx-nav>.ds-btn:last-child{flex:1 1 auto;max-inline-size:320px}@media (prefers-reduced-motion:reduce){.arx-q{animation:none}.arx-bar>span,.arx-opt{transition:none}}