:root {
  color-scheme: light;
  --paper: #f2f7f8;
  --paper-bright: #ffffff;
  --navy: #15345a;
  --navy-soft: #526b81;
  --copper: #ff6f57;
  --copper-dark: #d94c3a;
  --mist: #d9ecee;
  --line: rgba(21, 52, 90, .18);
  --white: #ffffff;
  --shell: min(1240px, calc(100vw - 64px));
  --header-height: 76px;
  --ease: cubic-bezier(.16, 1, .3, 1);
  --shadow: 0 30px 90px rgba(21, 52, 90, .14);
  font-family: "Noto Sans HK", "Noto Sans TC", "PingFang HK", "Microsoft JhengHei", sans-serif;
}

* { box-sizing: border-box; }
html { overflow-x: hidden; background: var(--paper); scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 18px); }
body { margin: 0; overflow-x: hidden; background: var(--paper); color: var(--navy); font-size: 16px; line-height: 1.72; }
body::before { content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: .2; background-image: radial-gradient(rgba(21, 52, 90, .11) .55px, transparent .55px); background-size: 5px 5px; }
img { display: block; max-width: 100%; }
button, input, select { font: inherit; }
button, a, summary, select { touch-action: manipulation; }
button, summary, select { cursor: pointer; }
a { color: inherit; }
h1, h2, h3, p, figure { margin-top: 0; }
h2 { margin-bottom: 26px; font: 700 clamp(2.15rem, 3.8vw, 3.9rem)/1.22 "Noto Sans HK", "Noto Sans TC", "PingFang HK", "Microsoft JhengHei", sans-serif; letter-spacing: -.045em; text-wrap: balance; }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: -90px; left: 16px; z-index: 200; padding: 12px 18px; background: var(--navy); color: var(--white); text-decoration: none; }
.skip-link:focus { top: 12px; }
:focus-visible { outline: 3px solid var(--copper); outline-offset: 4px; }
.section-shell { width: var(--shell); margin-inline: auto; }
.section-kicker { margin-bottom: 22px; color: var(--copper-dark); font-size: .74rem; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
.section-kicker::before { content: ""; display: inline-block; width: 34px; height: 2px; margin: 0 12px 4px 0; background: currentColor; }

.site-header { position: sticky; top: 0; z-index: 50; height: var(--header-height); padding: 0 32px; display: grid; grid-template-columns: minmax(220px, 1fr) auto minmax(220px, 1fr); align-items: center; gap: 32px; background: rgba(242, 247, 248, .9); border-bottom: 1px solid var(--line); backdrop-filter: blur(18px); }
.brand { justify-self: start; }
.brand img { width: min(280px, 26vw); height: auto; }
.header-nav { display: flex; align-items: center; gap: 30px; }
.header-nav a, .header-nav .nav-button { position: relative; padding: 0; border: 0; background: transparent; color: inherit; font-size: .84rem; font-weight: 700; text-decoration: none; }
.header-nav a::after, .header-nav .nav-button::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -8px; height: 2px; background: var(--copper); transition: right 220ms var(--ease); }
.header-nav a:hover::after, .header-nav .nav-button:hover::after { right: 0; }
.header-actions { justify-self: end; display: flex; align-items: center; gap: 10px; }
.header-actions button { min-height: 44px; border: 1px solid var(--navy); }
.locale-switch { min-width: 46px; background: transparent; color: var(--navy); }
.header-cta { padding: 0 20px; background: var(--navy); color: var(--white); font-weight: 760; transition: background 200ms ease; }
.header-cta:hover { background: var(--copper-dark); }

.hero { position: relative; overflow: hidden; background: linear-gradient(130deg, var(--paper-bright), #eaf8f8 64%, #dcecff); }
.hero::before { content: ""; position: absolute; width: 42vw; aspect-ratio: 1; right: -18vw; top: -24vw; border: 1px solid rgba(21,52,90,.11); border-radius: 50%; box-shadow: 0 0 0 7vw rgba(255,255,255,.22), 0 0 0 14vw rgba(21,52,90,.025); pointer-events: none; }
.hero-shell { position: relative; z-index: 2; padding: 58px 0 72px; }
.hero-stage { display: grid; grid-template-columns: minmax(320px, .78fr) minmax(0, 1.22fr); gap: clamp(42px, 6vw, 86px); align-items: center; }
.hero-copy { max-width: 540px; }
.hero-kicker { margin: 0 0 18px; color: var(--copper-dark); font-size: .76rem; font-weight: 800; letter-spacing: .22em; }
.hero-copy h1 { max-width: 12em; margin: 0; font-size: clamp(2.45rem, 3.8vw, 4rem); line-height: 1.18; letter-spacing: -.055em; text-wrap: balance; }
.hero-copy > p:not(.hero-kicker):not(.organizer-line) { max-width: 34em; margin: 24px 0 0; color: var(--navy-soft); }
.hero-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 30px; }
.hero-actions .button-secondary { border-color: rgba(21,52,90,.4); color: var(--navy); }
.hero-actions .button-secondary:hover { border-color: var(--navy); background: var(--navy); color: var(--white); }
.hero-copy .organizer-line { margin-top: 17px; color: var(--navy-soft); }
.hero-art { position: relative; margin: 0; overflow: hidden; background: var(--paper-bright); border: 1px solid rgba(21,52,90,.16); box-shadow: 24px 28px 70px rgba(26,89,139,.14); transform-origin: 50% 60%; }
.hero-art img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; }
.hero-art figcaption { min-height: 46px; padding: 0 16px; display: flex; align-items: center; justify-content: space-between; gap: 20px; background: rgba(248,248,244,.96); border-top: 1px solid var(--line); color: var(--navy-soft); font-size: .7rem; font-variant-numeric: tabular-nums; letter-spacing: .06em; }
.hero-art figcaption b { color: var(--navy); font-weight: 760; }
.hero-art::after { content: ""; position: absolute; inset: 0 0 46px; pointer-events: none; background: linear-gradient(105deg, transparent 38%, rgba(255,255,255,.42) 49%, transparent 60%); transform: translateX(-120%); }
.entry-panel { position: relative; width: 100%; margin: 26px auto 0; padding: 0; background: transparent; color: var(--navy); border-block: 1px solid var(--line); box-shadow: none; }
.entry-meta { display: grid; grid-template-columns: repeat(3, 1fr); }
.entry-meta > div { padding: 17px 26px 16px 0; border-right: 1px solid var(--line); }
.entry-meta > div + div { padding-left: 26px; }
.entry-meta > div:last-child { border-right: 0; }
.entry-meta span { display: block; margin-bottom: 2px; color: var(--navy-soft); font-size: .71rem; letter-spacing: .08em; }
.entry-meta strong { font-size: .98rem; font-weight: 720; font-variant-numeric: tabular-nums; }
.entry-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.2); }
.button { min-height: 58px; display: inline-flex; align-items: center; justify-content: center; padding: 0 28px; border: 1px solid transparent; border-radius: 0; font-weight: 800; text-decoration: none; transition: background 220ms ease, color 220ms ease, border-color 220ms ease; }
.button-primary { background: var(--copper); color: var(--white); }
.button-primary:hover { background: #9f594a; }
.button-secondary { background: transparent; color: var(--white); border-color: rgba(255,255,255,.52); }
.button-secondary:hover { background: var(--white); color: var(--navy); border-color: var(--white); }
.organizer-line { margin: 16px 0 0; color: rgba(255,255,255,.64); font-size: .78rem; letter-spacing: .04em; }

.intro { padding: 116px 0 104px; }
.intro-copy { max-width: 960px; }
.intro-copy h2 { max-width: 900px; }
.intro-copy > p:last-child { max-width: 760px; margin: 0; color: var(--navy-soft); font-size: 1.05rem; }

.facts { display: grid; grid-template-columns: repeat(4, 1fr); border-block: 1px solid var(--navy); }
.facts > div { min-height: 220px; padding: 30px 4vw; display: flex; flex-direction: column; justify-content: space-between; border-right: 1px solid var(--navy); }
.facts > div:last-child { border-right: 0; background: var(--copper); color: var(--white); }
.facts strong { font-size: clamp(3.5rem, 6vw, 6.4rem); line-height: 1; letter-spacing: -.075em; font-variant-numeric: tabular-nums; }
.facts span { font-size: .84rem; font-weight: 700; letter-spacing: .05em; }

.scope { display: grid; grid-template-columns: minmax(300px, .82fr) minmax(0, 1.18fr); gap: 9vw; padding: 150px 0; }
.scope-heading { position: sticky; top: calc(var(--header-height) + 44px); align-self: start; }
.scope-heading h2 { font-size: clamp(2.35rem, 3.8vw, 3.9rem); }
.scope-heading > p:last-child { max-width: 560px; color: var(--navy-soft); }
.scope-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--navy); }
.scope-list li { min-height: 132px; display: grid; grid-template-columns: 74px 1fr; gap: 20px; padding: 24px 0; border-bottom: 1px solid var(--line); transition: transform 360ms var(--ease), padding 360ms var(--ease), background 360ms ease; }
.scope-list li > span { color: var(--copper); font-size: .78rem; font-weight: 800; font-variant-numeric: tabular-nums; }
.scope-list h3 { margin: 0 0 7px; font-size: 1.45rem; line-height: 1.25; letter-spacing: -.02em; }
.scope-list p { margin: 0; color: var(--navy-soft); }

.study-dialog { width: min(1180px, calc(100vw - 40px)); height: min(840px, calc(100dvh - 40px)); max-width: none; max-height: none; padding: 0; border: 0; background: transparent; color: var(--navy); }
.study-dialog::backdrop { background: rgba(5, 13, 25, .72); backdrop-filter: blur(8px); }
.study-shell { height: 100%; display: grid; grid-template-rows: auto minmax(0, 1fr); overflow: hidden; background: var(--paper-bright); box-shadow: var(--shadow); }
.study-dialog-header { position: relative; min-height: 116px; padding: 24px 84px 22px 30px; display: flex; align-items: end; justify-content: space-between; border-bottom: 1px solid var(--line); }
.study-dialog-header span { color: var(--copper-dark); font-size: .72rem; font-weight: 850; letter-spacing: .16em; }
.study-dialog-header h2 { margin: 4px 0 0; font-size: clamp(2rem, 4vw, 3.7rem); }
.study-layout { min-height: 0; display: grid; grid-template-columns: minmax(270px, .56fr) minmax(0, 1.44fr); }
.study-intro { padding: 28px 30px; overflow: auto; border-right: 1px solid var(--line); }
.study-intro > p { max-width: 35ch; margin-bottom: 0; color: var(--navy-soft); }
.study-controls { display: grid; grid-template-columns: 1fr; gap: 10px; margin-top: 30px; }
.study-controls label { display: grid; gap: 7px; color: var(--navy-soft); font-size: .76rem; font-weight: 700; }
.study-controls select, .study-controls input { width: 100%; min-height: 52px; padding: 0 13px; border: 1px solid var(--line); border-radius: 0; background: var(--paper-bright); color: var(--navy); font-size: .95rem; }
.study-browser { min-height: 0; padding: 22px 30px 40px; overflow-y: auto; }
.study-toolbar { min-height: 56px; padding-bottom: 14px; display: flex; align-items: center; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--navy); }
.study-toolbar span { font-size: .84rem; font-weight: 800; font-variant-numeric: tabular-nums; }
.study-toolbar button { min-height: 44px; padding: 0; border: 0; background: transparent; color: var(--copper-dark); font-weight: 800; }
.question-item { padding: 28px 0 30px; border-bottom: 1px solid var(--line); }
.question-meta { display: flex; flex-wrap: wrap; gap: 8px 15px; color: var(--navy-soft); font-size: .7rem; letter-spacing: .04em; }
.question-meta span:first-child { color: var(--copper-dark); font-weight: 900; }
.question-item h3 { max-width: 820px; margin: 14px 0 20px; font-size: clamp(1.14rem, 1.7vw, 1.42rem); line-height: 1.55; }
.question-item details { border-left: 2px solid var(--copper); padding-left: 16px; }
.question-item summary { min-height: 44px; display: flex; align-items: center; color: var(--copper-dark); font-weight: 800; }
.answer-options { list-style: none; padding: 0; display: grid; gap: 7px; color: var(--navy-soft); }
.answer-panel { margin-top: 16px; padding: 20px; background: #e7e3da; }
.answer-panel p { margin: 8px 0; }
.answer-panel a { color: var(--copper-dark); font-weight: 700; }
.load-more { width: 100%; min-height: 58px; margin-top: 28px; border: 1px solid var(--navy); background: transparent; color: var(--navy); font-weight: 800; transition: background 220ms ease, color 220ms ease; }
.load-more:hover { background: var(--navy); color: var(--white); }

.rules { padding: 130px 0 150px; display: grid; grid-template-columns: minmax(320px, .8fr) minmax(0, 1.2fr); gap: 9vw; }
.rules-heading h2 { font-size: clamp(2.35rem, 3.8vw, 3.9rem); }
.rules-list { margin: 0; border-top: 1px solid var(--navy); }
.rules-list > div { min-height: 124px; display: grid; grid-template-columns: 72px 1fr; gap: 20px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.rules-list dt { color: var(--copper-dark); font-size: .78rem; font-weight: 900; }
.rules-list dd { margin: 0; display: grid; gap: 7px; }
.rules-list b { font-size: 1.18rem; }
.rules-list span { color: var(--navy-soft); }
.rules-list > .certificate-highlight { position: relative; margin-top: 14px; padding: 28px 28px 28px 22px; overflow: hidden; background: linear-gradient(115deg, rgba(75,205,202,.19), rgba(92,157,232,.11) 74%, transparent); border-left: 5px solid var(--copper); border-bottom: 0; clip-path: polygon(0 0, 96% 0, 100% 20%, 100% 100%, 0 100%); }
.rules-list > .certificate-highlight dt { color: var(--copper-dark); }
.rules-list > .certificate-highlight b { color: var(--navy); }
.rules-list > .certificate-highlight span { color: var(--navy); font-size: 1.08rem; font-weight: 760; line-height: 1.65; }

.refund-band { position: relative; overflow: hidden; padding: 110px max(32px, calc((100vw - 1240px) / 2)); background: var(--copper); color: var(--white); }
.refund-band::after { content: ""; position: absolute; right: -8vw; bottom: -16vw; width: 42vw; aspect-ratio: 1; border: 1px solid rgba(255,255,255,.24); transform: rotate(18deg); box-shadow: inset 0 0 0 5vw rgba(23,49,58,.08), inset 0 0 0 10vw rgba(255,255,255,.04); }
.refund-lead { position: relative; z-index: 2; display: grid; grid-template-columns: .34fr 1.66fr; gap: 5vw; }
.refund-band .section-kicker { color: var(--white); }
.refund-band h2 { max-width: 1000px; font-size: clamp(2.35rem, 4vw, 4.25rem); }
.refund-steps { position: relative; z-index: 2; list-style: none; margin: 52px 0 28px; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); border-block: 1px solid rgba(255,255,255,.48); }
.refund-steps li { min-height: 132px; padding: 24px; display: grid; align-content: space-between; border-right: 1px solid rgba(255,255,255,.48); }
.refund-steps li:last-child { border-right: 0; }
.refund-steps span { color: rgba(255,255,255,.64); font-size: .75rem; }
.refund-steps b { max-width: 270px; font-size: 1.08rem; }
.refund-band > p { position: relative; z-index: 2; margin: 0; color: rgba(255,255,255,.78); }

.faq { padding: 150px 0; display: grid; grid-template-columns: .62fr 1.38fr; gap: 10vw; }
.faq-heading h2 { font-size: clamp(2.35rem, 3.8vw, 3.8rem); }
.faq-list { border-top: 1px solid var(--navy); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { min-height: 92px; padding: 24px 48px 24px 0; display: flex; align-items: center; position: relative; font-size: 1.08rem; font-weight: 780; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 8px; font-size: 1.5rem; font-weight: 400; transition: transform 220ms var(--ease); }
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list details p { max-width: 700px; padding: 0 50px 28px 0; color: var(--navy-soft); }

.final-cta { position: relative; min-height: 560px; display: grid; place-items: center; padding: 82px 32px; overflow: hidden; background: var(--navy) url("../poster.png?v=20260830-integrated-benefits") center/cover no-repeat; color: var(--white); }
.final-cta::before { content: ""; position: absolute; inset: 0; background: rgba(23, 49, 58, .84); }
.final-inner { position: relative; z-index: 2; width: min(940px, 100%); text-align: center; }
.final-inner > p:first-child { font-size: .82rem; font-weight: 800; letter-spacing: .1em; }
.final-inner h2 { font-size: clamp(2.7rem, 5.6vw, 5.2rem); }
.final-actions { width: min(620px, 100%); margin: 42px auto 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.final-inner .organizer-line { text-align: center; }

footer { min-height: 150px; padding: 36px max(32px, calc((100vw - 1240px) / 2)); display: flex; align-items: center; justify-content: space-between; gap: 32px; border-top: 1px solid var(--line); }
footer img { width: min(280px, 50vw); height: auto; }
footer p { margin: 0; color: var(--navy-soft); font-size: .78rem; }
.mobile-action-bar { display: none; }

.auth-dialog { width: min(600px, calc(100vw - 32px)); max-height: min(820px, calc(100dvh - 32px)); padding: 0; border: 0; background: transparent; color: var(--navy); }
.auth-dialog::backdrop { background: rgba(5, 13, 25, .68); backdrop-filter: blur(8px); }
.auth-shell { position: relative; padding: 40px; background: var(--paper-bright); box-shadow: var(--shadow); }
.dialog-close { position: absolute; top: 14px; right: 14px; width: 44px; height: 44px; border: 0; background: transparent; color: var(--navy); font-size: 1.8rem; }
.auth-heading h2 { margin-bottom: 14px; font-size: clamp(2.3rem, 6vw, 3.8rem); }
.auth-heading > p:last-child { color: var(--navy-soft); }
.region-tabs { display: grid; grid-template-columns: 1fr 1fr; margin: 30px 0; }
.region-tabs button { min-height: 52px; border: 1px solid var(--line); background: transparent; color: var(--navy); font-weight: 750; }
.region-tabs button + button { border-left: 0; }
.region-tabs button[aria-checked="true"] { background: var(--navy); color: var(--white); }
.field { display: grid; gap: 8px; margin: 16px 0; font-size: .82rem; font-weight: 700; }
.phone-field { min-height: 56px; display: grid; grid-template-columns: 74px 1fr; align-items: center; border: 1px solid var(--line); background: var(--white); }
.phone-field b { text-align: center; border-right: 1px solid var(--line); }
.phone-field input { width: 100%; min-width: 0; height: 54px; border: 0; background: transparent; padding: 0 14px; color: var(--navy); outline: 0; }
.field small { color: var(--navy-soft); font-weight: 500; }
.auth-message { min-height: 28px; margin: 14px 0; color: var(--copper-dark); }
.registration-fields { display: grid; gap: 2px; }
.registration-fields > .field > input,
.registration-fields > .field > select { width: 100%; min-height: 52px; border: 1px solid var(--line); background: var(--white); color: var(--navy); padding: 10px 14px; font: inherit; }
.registration-fields > .field > input:focus,
.registration-fields > .field > select:focus { outline: 2px solid color-mix(in srgb, var(--sky) 58%, transparent); outline-offset: 2px; }
.auth-submit { width: 100%; min-height: 58px; border: 0; background: var(--copper); color: var(--white); font-weight: 800; }
.auth-submit:disabled { cursor: wait; opacity: .58; }
.auth-legal { margin: 18px 0 0; color: var(--navy-soft); font-size: .75rem; }

.reveal { opacity: 0; transform: translateY(28px); filter: blur(7px); transition: opacity 760ms var(--ease), transform 760ms var(--ease), filter 760ms var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal.is-visible { filter: none; }
.motion-item { opacity: 0; transform: translateY(18px); transition: opacity 620ms var(--ease), transform 620ms var(--ease); transition-delay: calc(var(--motion-index, 0) * 70ms); }
.motion-item.is-visible { opacity: 1; transform: none; }

@media (hover: hover) {
  .scope-list li:hover { padding-inline: 18px; transform: translateX(8px); background: rgba(255,255,255,.42); }
}

@media (prefers-reduced-motion: no-preference) {
  .hero-copy > * { opacity: 0; animation: hero-copy-in 720ms var(--ease) forwards; }
  .hero-copy > :nth-child(2) { animation-delay: 80ms; }
  .hero-copy > :nth-child(3) { animation-delay: 150ms; }
  .hero-copy > :nth-child(4) { animation-delay: 220ms; }
  .hero-copy > :nth-child(5) { animation-delay: 290ms; }
  .hero-art { opacity: 0; animation: hero-art-in 900ms 120ms var(--ease) forwards, poster-float 8s 1.2s ease-in-out infinite alternate; }
  .hero-art::after { animation: scan-sheen 7s 1.4s var(--ease) infinite; }
}

@keyframes hero-copy-in { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@keyframes hero-art-in { from { opacity: 0; transform: translateY(26px) scale(.975); } to { opacity: 1; transform: none; } }
@keyframes poster-float { from { transform: translateY(0) rotate(-.25deg); } to { transform: translateY(-8px) rotate(.2deg); } }
@keyframes scan-sheen { 0%, 55% { transform: translateX(-120%); } 85%, 100% { transform: translateX(120%); } }

@media (max-width: 1000px) {
  :root { --shell: min(100% - 40px, 900px); }
  .site-header { grid-template-columns: 1fr auto; }
  .header-nav { display: none; }
  .hero-stage { grid-template-columns: minmax(280px, .72fr) minmax(0, 1.28fr); gap: 34px; }
  .hero-copy h1 { font-size: clamp(2.2rem, 4vw, 3rem); }
  .entry-panel { width: 100%; }
  .scope, .rules { grid-template-columns: 1fr; gap: 58px; }
  .scope-heading { position: static; }
  .refund-lead { grid-template-columns: 1fr; gap: 0; }
  .faq { grid-template-columns: .7fr 1.3fr; gap: 6vw; }
}

@media (max-width: 767px) {
  :root { --shell: calc(100% - 32px); --header-height: 66px; }
  html { scroll-padding-top: calc(var(--header-height) + 10px); }
  body { padding-bottom: calc(72px + env(safe-area-inset-bottom)); }
  h2 { font-size: clamp(2.05rem, 9vw, 3rem); }
  .site-header { height: var(--header-height); padding: 0 14px; gap: 12px; }
  .brand img { width: min(228px, 58vw); }
  .header-cta { display: none; }
  .locale-switch { min-height: 44px; min-width: 46px; }
  .hero-shell { padding: 30px 0 54px; }
  .hero-stage { grid-template-columns: 1fr; gap: 28px; }
  .hero-copy { max-width: none; }
  .hero-kicker { margin-bottom: 12px; }
  .hero-copy h1 { max-width: 13em; font-size: clamp(2.05rem, 9.3vw, 2.75rem); line-height: 1.2; }
  .hero-copy > p:not(.hero-kicker):not(.organizer-line) { margin-top: 17px; font-size: .94rem; }
  .hero-actions { margin-top: 22px; }
  .hero-art { box-shadow: 12px 16px 40px rgba(36,69,76,.12); }
  .hero-art figcaption { min-height: 42px; }
  .entry-panel { width: 100%; margin: 22px 0 0; padding: 0; }
  .entry-meta { grid-template-columns: 1fr 1fr; }
  .entry-meta > div { padding: 14px 12px 14px 0; }
  .entry-meta > div + div { padding-left: 12px; }
  .entry-meta > div:nth-child(2) { border-right: 0; }
  .entry-meta > div:last-child { display: none; }
  .entry-meta strong { font-size: .86rem; }
  .button { min-height: 52px; padding: 0 16px; }
  .organizer-line { font-size: .7rem; }
  .intro { padding: 78px 0 72px; }
  .intro-copy > p:last-child { font-size: 1rem; }
  .facts { grid-template-columns: 1fr 1fr; }
  .facts > div { min-height: 150px; padding: 20px 16px; border-bottom: 1px solid var(--navy); }
  .facts > div:nth-child(2) { border-right: 0; }
  .facts > div:nth-child(3), .facts > div:nth-child(4) { border-bottom: 0; }
  .facts strong { font-size: 4.2rem; }
  .facts span { font-size: .74rem; }
  .scope { padding: 88px 0; gap: 36px; }
  .scope-heading h2, .rules-heading h2 { font-size: clamp(2.05rem, 9vw, 3rem); }
  .scope-list li { grid-template-columns: 48px 1fr; min-height: 116px; }
  .scope-list h3 { font-size: 1.18rem; }
  .study-dialog { width: 100%; height: 100dvh; max-height: none; margin: 0; }
  .study-shell { height: 100dvh; }
  .study-dialog-header { min-height: 84px; padding: 14px 64px 13px 16px; }
  .study-dialog-header h2 { font-size: 2rem; line-height: 1.08; }
  .study-layout { grid-template-columns: 1fr; grid-template-rows: auto minmax(0, 1fr); }
  .study-intro { padding: 14px 16px; overflow: visible; border-right: 0; border-bottom: 1px solid var(--line); }
  .study-intro > p { max-width: none; margin-bottom: 0; font-size: .86rem; line-height: 1.55; }
  .study-controls { grid-template-columns: 1fr 1fr; margin-top: 12px; }
  .study-controls select, .study-controls input { min-height: 46px; }
  .study-browser { padding: 12px 16px 88px; }
  .study-toolbar { align-items: flex-start; }
  .question-item { padding-block: 24px; }
  .question-meta { gap: 6px 10px; }
  .rules { padding: 84px 0 94px; gap: 36px; }
  .rules-list > div { grid-template-columns: 46px 1fr; }
  .refund-band { padding: 82px 16px; }
  .refund-band h2 { font-size: clamp(2.1rem, 9vw, 3.1rem); }
  .refund-steps { grid-template-columns: 1fr; margin-top: 36px; }
  .refund-steps li { min-height: 88px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.42); }
  .refund-steps li:last-child { border-bottom: 0; }
  .faq { padding: 88px 0; grid-template-columns: 1fr; gap: 28px; }
  .faq-list summary { min-height: 78px; font-size: 1rem; }
  .final-cta { min-height: 520px; padding: 72px 16px; }
  .final-inner h2 { font-size: clamp(2.6rem, 11vw, 4rem); }
  .final-actions { grid-template-columns: 1fr 1fr; }
  footer { min-height: 130px; padding: 28px 16px; display: grid; justify-items: start; }
  footer img { width: 240px; }
  .mobile-action-bar { position: fixed; z-index: 80; left: 0; right: 0; bottom: 0; display: grid; grid-template-columns: .82fr 1fr 1.15fr; min-height: calc(64px + env(safe-area-inset-bottom)); padding: 7px 8px calc(7px + env(safe-area-inset-bottom)); gap: 6px; background: rgba(237,240,237,.96); border-top: 1px solid var(--line); backdrop-filter: blur(18px); }
  .mobile-action-bar a, .mobile-action-bar button { min-height: 50px; display: grid; place-items: center; border: 1px solid var(--line); background: var(--paper-bright); color: var(--navy); font-size: .78rem; font-weight: 800; text-decoration: none; }
  .mobile-action-bar > :last-child { border-color: var(--copper); background: var(--copper); color: var(--white); }
  .auth-dialog { width: 100%; max-width: none; max-height: 92dvh; margin: auto 0 0; }
  .auth-shell { padding: 32px 20px calc(24px + env(safe-area-inset-bottom)); }
}

@media (max-width: 390px) {
  .brand img { width: 205px; }
  .final-actions { grid-template-columns: 1fr; }
  .study-controls { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal, .motion-item { opacity: 1; transform: none; filter: none; }
}