* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.7 var(--font-body); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, summary { cursor: pointer; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, summary:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid #507da1; outline-offset: 4px; }
[hidden] { display: none !important; }
h1, h2, h3, h4, p { margin: 0; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 500; }
img, svg { max-width: 100%; display: block; }
.skip-link { position: fixed; top: -80px; left: 20px; z-index: 100; background: white; padding: 12px; }
.skip-link:focus { top: 8px; }
.topnav { position: sticky; top: 0; z-index: 30; background: var(--surface); border-bottom: 1px solid var(--border); }
.nav-inner { min-height: 64px; max-width: 1440px; margin: auto; padding: 0 32px; display: flex; align-items: center; gap: 24px; }
.brand { width: 128px; flex: 0 0 128px; min-height: 44px; display: flex; align-items: center; }
.brand img { object-fit: contain; }
.desktop-nav { display: flex; gap: 20px; justify-content: center; flex: 1; }
.desktop-nav a { font-size: 13px; white-space: nowrap; min-height: 44px; display: flex; align-items: center; border-bottom: 1px solid transparent; }
.desktop-nav a:hover { color: var(--accent); border-color: var(--accent); }
.nav-actions { display: flex; align-items: center; gap: 18px; }
.nav-login { font-size: 12px; min-height: 44px; display: flex; align-items: center; white-space: nowrap; color: var(--muted); }
.nav-consult { display: inline-flex; align-items: center; justify-content: center; gap: 14px; background: var(--accent); color: white; border-radius: 5px; padding: 0 14px; min-height: 44px; font-size: 13px; white-space: nowrap; }
.menu-toggle { display: none; width: 44px; height: 44px; background: none; border: 1px solid var(--border); border-radius: 6px; align-items: center; justify-content: center; flex-shrink: 0; }
.menu-toggle svg { width: 22px; }
.mobile-nav { padding: 12px 24px; border-top: 1px solid var(--border); }
.mobile-nav a { display: block; min-height: 44px; padding: 10px 0; }
.eyebrow { color: var(--accent); font-size: 12px; letter-spacing: .065em; margin-bottom: 20px; }
.hero-actions { display: flex; align-items: center; }
.button { min-height: 48px; display: inline-flex; justify-content: center; align-items: center; gap: 28px; padding: 11px 20px; font-size: 14px; border-radius: 6px; border: 1px solid transparent; transition: background .18s; }
.nav-consult:hover { background: #153e2a; }
.text-link { display: inline-flex; gap: 16px; align-items: center; font-size: 13px; min-height: 44px; }
.text-link:hover, .text-button:hover { text-decoration: underline; text-underline-offset: 5px; }
.scene-fallback { position: absolute; inset: 0; }
.proof-strip{display:grid;grid-template-columns:148px minmax(0,1fr);align-items:center}
.proof-label{font-size:14px;line-height:1.8;color:var(--muted)}
.proof-label strong{display:block;font-weight:500;color:var(--fg)}
.proof-label button{display:block;border:0;background:none;color:inherit;padding:10px 0;min-height:44px;font-size:13px;text-decoration:underline;text-underline-offset:4px}
.proof-window{overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:thin;scrollbar-color:#a8b5ad transparent;padding-block:12px;mask-image:linear-gradient(90deg,transparent,#000 18px,#000 calc(100% - 18px),transparent)}
.proof-window:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
.proof-track{display:flex;width:max-content}
.proof-companies{display:grid;grid-auto-flow:column;grid-template-rows:repeat(2,44px);grid-auto-columns:112px;align-items:center;gap:26px 44px;padding-right:44px;flex-shrink:0}
.proof-companies img{display:block;width:112px;height:40px;object-fit:contain}
.proof-duplicate{display:none}
.proof-strip.has-motion .proof-window{overflow:hidden}
.proof-strip.has-motion .proof-duplicate{display:grid}
.proof-strip.has-motion .proof-track{animation:proof-scroll 84s linear infinite}
.proof-strip.is-paused .proof-track,.proof-strip:hover .proof-track{animation-play-state:paused}
.proof-strip .proof-window:focus{overflow-x:auto}
.proof-window:focus .proof-track{animation:none!important}
.proof-window:focus .proof-duplicate{display:none!important}
@keyframes proof-scroll{to{transform:translateX(-50%)}}
.company-logo { width: auto; max-width: 144px; height: 52px; object-fit: contain; object-position: left center; flex-shrink: 0; }
.company-logo.logo-tencent { width: 132px; height: auto; }
.company-logo.logo-bytedance { width: 58px; height: 58px; }
.company-logo.logo-ey { width: 48px; height: 56px; }
.company-logo.logo-meituan { width: 48px; height: 48px; }
.section { max-width: 1240px; margin: auto; padding: 90px 32px; border-bottom: 1px solid var(--border); }
.section-heading { display: grid; grid-template-columns: 1.1fr 1fr; align-items: end; gap: 40px; margin-bottom: 40px; }
h2 { font-size: clamp(30px, 3.15vw, 44px); line-height: 1.4; letter-spacing: -.025em; }
.section-heading > p { color: var(--muted); font-size: 14px; line-height: 1.9; justify-self: end; max-width: 370px; }
.stage-buttons { display: grid; grid-template-columns: repeat(5, 1fr); border-bottom: 1px solid var(--border); }
.stage-buttons button { text-align: left; border: 0; border-bottom: 3px solid transparent; background: none; padding: 22px 16px; color: var(--fg); font-size: 17px; transition: background .18s; }
.stage-buttons button[aria-pressed=true] { border-bottom-color: var(--accent); background: #e1e9e3; color: var(--accent); }
.stage-buttons button:hover { background: #e9edeb; }
.stage-buttons span { display: block; font-size: 11px; margin-bottom: 22px; color: var(--muted); }
.stage-buttons small { display: block; font-size: 12px; font-weight: 400; margin-top: 7px; color: var(--muted); }
.stage-detail { display: grid; grid-template-columns: 1.3fr 1fr; gap: 50px; align-items: center; padding-top: 34px; min-height: 256px; }
.stage-main { display: flex; gap: 26px; align-items: flex-start; }
.stage-number { font-size: 50px; line-height: 1.2; color: #8b9f82; }
.detail-label { font-size: 11px; color: var(--muted); margin-bottom: 12px; letter-spacing: .04em; }
.stage-main h3 { font-size: 20px; max-width: 350px; line-height: 1.6; }
.stage-main h3 + p { font-size: 14px; color: var(--muted); margin-top: 12px; max-width: 420px; }
.stage-main a { color: var(--accent); margin-top: 10px; }
.stage-takeaway { border-left: 1px solid var(--border); padding-left: 32px; }
.stage-takeaway ol { padding-left: 20px; margin: 0; font-size: 13px; line-height: 2; }
.stage-takeaway a { margin-top: 10px; color: var(--accent); }
.method-band { background: #173c2b; color: #f3f5ef; }
.method { border: 0; }
.method .eyebrow { color: #c0cfac; }
.method .section-heading > p { color: #c1cfc3; }
.method-columns { display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px; }
.method-columns article { border-top: 1px solid #4b6956; padding-top: 24px; }
.method-index { display: block; color: #c3cba8; font-size: 12px; margin-bottom: 30px; }
.method-columns h3 { font-size: 23px; margin-bottom: 14px; }
.method-columns article > p { color: #c1cfc3; font-size: 14px; line-height: 1.95; }
.method-output { font-size: 13px; margin-top: 28px; padding-top: 18px; border-top: 1px solid #4b6956; }
.method-output span { font-size: 11px; color: #c1cfc3; display: block; margin-bottom: 6px; }
.method-footnote { color: #c1cfc3; font-size: 12px; margin-top: 36px; }
.offers-section { padding-bottom: 70px; }
.offer-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 26px; color: var(--muted); font-size: 11px; }
.offer-tag { padding: 3px 9px; border: 1px solid var(--border); border-radius: 3px; }
summary::-webkit-details-marker { display: none; }
.when-open, details[open] .when-closed { display: none; }
details[open] .when-open { display: inline; }
.source-note { font-size: 12px; color: var(--muted); margin-top: 24px; }
.tool-row { border-top: 1px solid var(--border); display: grid; grid-template-columns: 50px 1fr 1.1fr 30px; gap: 24px; align-items: center; padding: 26px 0; transition: background .18s; }
.tool-row:hover { background: #edf1ee; }
.tool-no { font-size: 12px; color: var(--muted); }
.tool-row h3 { font-size: 23px; font-weight: 500; letter-spacing: -.02em; }
.tool-row p { font-size: 12px; color: var(--muted); margin-top: 4px; }
.tool-description { font-size: 14px; color: var(--muted); }
.tool-arrow { font-size: 26px; color: var(--accent); }
.faq { display: grid; grid-template-columns: 1fr 1.25fr; gap: 80px; border: 0; }
.faq-list { border-top: 1px solid var(--border); }
.faq-list details { border-bottom: 1px solid var(--border); }
.faq-list summary { display: flex; gap: 20px; justify-content: space-between; align-items: center; list-style: none; padding: 22px 0; font-size: 16px; }
.faq-list summary:after { content: '+'; color: var(--accent); font-size: 22px; }
.faq-list details[open] summary:after { content: '−'; }
.faq-list details[open] summary { color: var(--accent); }
.faq-list p { font-size: 14px; color: var(--muted); padding: 0 32px 24px 0; }
.consultation-band { background: #e9edeb; }
.consultation { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; border: 0; align-items: center; }
.consultation-copy > p:not(.eyebrow) { color: #52634e; font-size: 15px; max-width: 400px; margin-top: 24px; }
.consultation-notes { list-style: none; padding: 0; margin: 30px 0 0; color: #52634e; font-size: 13px; line-height: 2.4; }
.consultation-notes li { border-top: 1px solid #c7d2bf; padding: 7px 0; }
.wechat-channels { width: 100%; max-width: 460px; justify-self: end; }
.wechat-card { padding: 32px; background: #fff; border: 1px solid #d7dedb; border-radius: 8px; text-align: center; }
.panel-kicker { font-size: 11px; color: var(--muted); margin-bottom: 8px; }
.wechat-card h3 { font-size: 20px; }
.qr-slot { width: 220px; max-width: 100%; margin: 24px auto 18px; padding: 6px; background: #fff; border-radius: 4px; }
.qr-slot img { display: block; width: 100%; height: auto; image-rendering: pixelated; }
.wechat-instructions > p:first-child { font-size: 14px; }
.wechat-mobile-tip { font-size: 12px; color: var(--muted); line-height: 1.8; margin-top: 6px; }
.qr-download { display: inline-flex; align-items: center; justify-content: center; gap: 18px; min-height: 44px; margin-top: 14px; padding: 0 18px; border: 1px solid #c7d2bf; border-radius: 4px; color: var(--accent); font-size: 12px; }
.qr-download:hover { background: #edf1ee; }
footer { max-width: 1312px; margin: auto; padding: 40px 0 24px; display: grid; grid-template-columns: 1fr 1fr; gap: 32px; font-size: 12px; color: var(--muted); }
.footer-brand img { object-fit: contain; width: 120px; height: auto; }
.footer-brand p { margin-top: 18px; }
.footer-links { display: flex; gap: 24px; justify-content: flex-end; align-items: center; }
footer a { min-height: 44px; display: inline-flex; align-items: center; }
.footer-bottom { grid-column: 1 / -1; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px 24px; border-top: 1px solid var(--border); padding-top: 18px; font-size: 11px; }
/* Company identities and restored public image evidence. */
.image-open { padding: 4px 0; min-height: 44px; border: 0; background: transparent; color: inherit; font-size: 12px; display: inline-flex; align-items: center; gap: 12px; }
.image-open:hover { text-decoration: underline; text-underline-offset: 5px; }
.offer-gallery { margin: 10px 0 56px; }
.gallery-heading, .case-heading { display: flex; gap: 20px; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.gallery-heading h3, .case-heading h3 { font-size: 21px; }
.case-heading p { font-size: 13px; color: var(--muted); }

/* Three independent rows keep every original mentor available without a large script payload. */
.mentor-toolbar { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-bottom: 22px; }
.mentor-toolbar > p { font-size: 12px; color: var(--muted); }
.mentor-controls { display: flex; flex-wrap: wrap; gap: 10px; }
.mentor-controls button { min-height: 44px; border: 1px solid #bfcbb8; border-radius: 4px; padding: 8px 16px; background: transparent; color: var(--accent); font-size: 12px; }
.mentor-controls button[aria-pressed=true], .mentor-controls button[aria-expanded=true] { background: #e1e9e3; }
.mentor-wall { display: grid; gap: 16px; }
.mentor-lane { overflow-x: auto; scrollbar-width: thin; scrollbar-color: #a2b49b transparent; padding-bottom: 6px; }
.mentor-track, .mentor-set { display: flex; gap: 16px; width: max-content; }
.mentor-card { flex: 0 0 278px; width: 278px; padding: 20px; background: #fff; border: 1px solid #d7dedb; border-radius: 6px; }
.mentor-card-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 12px; height: 38px; }
.mentor-card h3 { font-size: 20px; }
.mentor-monogram { font-size: 17px; width: 34px; height: 34px; border-radius: 50%; text-align: center; line-height: 34px; color: #7b9273; background: #edf1e9; }
.mentor-company-logo { width: 84px; height: 38px; overflow: hidden; display: flex; align-items: center; justify-content: flex-end; }
.mentor-company-logo .company-logo { max-width: 80px; width: auto; max-height: 36px; object-position: right center; mix-blend-mode: multiply; }
.mentor-company-logo .logo-tencent { width: 80px; height: auto; }
.mentor-company-logo :is(.logo-ey, .logo-bytedance, .logo-meituan, .logo-apple, .logo-huawei, .logo-adidas) { width: 36px; height: 36px; }
.mentor-company { font-size: 13px; font-weight: 500; min-height: 44px; }
.mentor-direction { font-size: 12px; color: var(--accent); line-height: 1.7; min-height: 41px; margin: 7px 0 10px; }
.mentor-education { color: var(--muted); font-size: 11px; border-top: 1px solid var(--border); padding-top: 10px; }
.mentor-duplicate { display: none; }
.mentor-wall.has-motion[data-mode=scroll] .mentor-duplicate { display: flex; }
.mentor-wall.has-motion[data-mode=scroll] .mentor-track { animation: mentor-scroll 360s linear infinite; }
.mentor-wall.has-motion[data-mode=scroll] .mentor-lane:nth-child(2) .mentor-track { animation-direction: reverse; animation-duration: 410s; }
.mentor-wall.has-motion[data-mode=scroll] .mentor-lane { scrollbar-width: none; }
.mentor-wall.has-motion[data-mode=scroll] .mentor-lane::-webkit-scrollbar { display: none; }
.mentor-wall.is-paused .mentor-track, .mentor-wall:hover .mentor-track, .mentor-wall:focus-within .mentor-track { animation-play-state: paused !important; }
.mentor-wall[data-mode=all] { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.mentor-wall[data-mode=all] :is(.mentor-lane, .mentor-track, .mentor-set:not(.mentor-duplicate)) { display: contents; }
.mentor-wall[data-mode=all] .mentor-card { width: auto; min-width: 0; }
@keyframes mentor-scroll { to { transform: translateX(calc(-50% - 8px)); } }

/* Full image reading stays on the homepage, including keyboard and mobile zoom. */
body.image-viewing { overflow: hidden; }
.image-dialog { padding: 0; width: min(1240px, 94vw); height: 92dvh; max-width: 94vw; max-height: 92dvh; border: 1px solid #d7dedb; border-radius: 8px; background: #f4f6f5; color: var(--fg); }
.image-dialog[open] { display: flex; flex-direction: column; }
.image-dialog::backdrop { background: #24312fbd; }
.image-dialog-toolbar { display: flex; flex-shrink: 0; justify-content: space-between; align-items: center; padding: 12px 20px; gap: 16px; background: #fff; border-bottom: 1px solid var(--border); }
.image-dialog-toolbar h2 { font-size: 15px; }
.image-dialog-toolbar > div { display: flex; flex-shrink: 0; gap: 8px; }
.image-dialog button { min-height: 44px; padding: 8px 14px; border: 1px solid #8f9c94; border-radius: 4px; background: transparent; color: var(--accent); font-size: 12px; }
.image-dialog button:disabled { opacity: .4; cursor: default; }
.image-dialog-body { overflow: auto; flex: 1; padding: 16px; position: relative; }
.image-dialog-body > img { margin: auto; width: auto; height: auto; max-width: 100%; max-height: calc(92dvh - 102px); }
.image-dialog.is-zoomed .image-dialog-body > img { max-width: none; max-height: none; margin: 0 auto; }
#image-loading, #image-error { padding: 48px 20px; text-align: center; }
#image-error button { margin-top: 20px; }

@media (min-width: 1181px) { .mobile-nav { display: none; } }
@media (max-width: 1400px) { footer { margin-inline: 64px; } .nav-inner { gap: 18px; } .desktop-nav { gap: 14px; } .nav-actions { gap: 12px; } }
@media (max-width: 1180px) {
  .desktop-nav { display: none; }
  .nav-actions { margin-left: auto; }
  .menu-toggle:not([hidden]) { display: flex; }
  .hero-actions { flex-wrap: wrap; }
  .section { padding-block: 72px; }
  .stage-buttons button { padding: 18px 10px; font-size: 15px; }
  .stage-buttons small { font-size: 11px; }
  .stage-detail { gap: 24px; }
  .stage-main { gap: 18px; }
  .method-columns { gap: 28px; }
  .consultation { gap: 56px; }
  .faq { gap: 50px; }
  footer { margin-inline: 32px; }
}
@media (max-width: 900px) {
  .stage-buttons button { font-size: 13px; }
  .stage-main h3 { font-size: 18px; }
  .consultation { gap: 32px; }
  .wechat-card { padding: 22px 14px; }
  .tool-row { gap: 14px; grid-template-columns: 32px 1fr 1fr 26px; }
}
@media (max-width: 760px) {
  html { scroll-padding-top: 80px; }
  .nav-inner { padding: 0 16px; min-height: 60px; gap: 12px; }
  .brand { width: 108px; flex-basis: 108px; }
  .brand img { width: 108px; height: auto; }
  .nav-login { display: none; }
  .nav-consult { min-height: 44px; font-size: 12px; padding: 0 12px; gap: 8px; }
  .proof-strip{grid-template-columns:96px minmax(0,1fr)}
  .proof-companies{grid-auto-columns:100px;column-gap:28px;padding-right:28px}
  .proof-companies img{width:100px;height:36px}
  .section { padding: 58px 22px; }
  .section-heading { grid-template-columns: 1fr; gap: 20px; margin-bottom: 28px; }
  h2 { font-size: 31px; }
  .eyebrow { font-size: 11px; margin-bottom: 16px; }
  .section-heading > p { justify-self: start; font-size: 13px; }
  .stage-buttons { display: flex; flex-wrap: wrap; gap: 6px; border: 0; }
  .stage-buttons button { flex: 1 1 calc(50% - 6px); font-size: 15px; padding: 16px; border: 1px solid var(--border); border-bottom: 3px solid var(--border); border-radius: 5px; }
  .stage-buttons span { font-size: 10px; margin-bottom: 10px; }
  .stage-buttons small { font-size: 11px; }
  .stage-buttons button:last-child { flex-basis: 100%; }
  .stage-detail { grid-template-columns: 1fr; gap: 24px; padding-top: 26px; }
  .stage-main { gap: 18px; }
  .stage-number { font-size: 36px; }
  .stage-main h3 { font-size: 19px; }
  .stage-main h3 + p { font-size: 13px; }
  .stage-takeaway { border: 0; background: #e9eee3; padding: 22px; }
  .method-columns { grid-template-columns: 1fr; gap: 28px; }
  .method-index { margin-bottom: 18px; }
  .method-columns h3 { font-size: 23px; }
  .method-output { margin-top: 20px; }
  .method-footnote { font-size: 11px; }
  .offer-top { margin-bottom: 20px; }
  .mentor-grid article { padding: 22px 0 0; }
  .mentor-direction { margin-bottom: 16px; }
  .mentor-background { margin-bottom: 12px; }
  .tool-row { grid-template-columns: 24px 1fr 24px; gap: 12px; padding: 22px 0; }
  .tool-description { display: none; }
  .tool-row h3 { font-size: 21px; }
  .faq { grid-template-columns: 1fr; gap: 32px; }
  .faq-list summary { font-size: 15px; padding: 20px 0; }
  .faq-list p { font-size: 13px; padding-right: 8px; }
  .consultation { grid-template-columns: 1fr; gap: 32px; }
  .consultation-copy > p:not(.eyebrow) { font-size: 14px; }
  .consultation-notes { margin-top: 22px; }
  .wechat-channels { justify-self: center; }
  .wechat-card { padding: 28px 20px; }
  .wechat-card h3 { font-size: 20px; }
  .qr-slot { margin-block: 22px 18px; }
  footer { margin-inline: 22px; padding-top: 32px; grid-template-columns: 1fr; gap: 18px; }
  .footer-links { justify-content: flex-start; gap: 22px; flex-wrap: wrap; }
  .footer-bottom { justify-content: flex-start; align-items: flex-start; font-size: 10px; gap: 0 20px; }
  .footer-bottom > span { padding-block: 12px; }
}
@media (max-width: 380px) { .button { gap: 16px; padding-inline: 14px; } .nav-inner { gap: 8px; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *:before, *:after { animation: none !important; transition: none !important; } }
@media (forced-colors: active) { .button, .nav-consult, [aria-pressed=true] { border: 2px solid ButtonText; } .offer-item { border: 1px solid CanvasText; } }
@media (max-width: 900px) {
  .mentor-wall[data-mode=all] { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .offer-gallery { margin-bottom: 36px; }
  .case-heading { display: block; }
  .case-heading p { margin-top: 5px; }
  .mentor-toolbar { align-items: flex-start; }
  .mentor-card { flex-basis: 260px; width: 260px; }
  .mentor-wall[data-mode=all] { grid-template-columns: 1fr; }
  .mentor-direction { margin: 7px 0 10px; }
  .image-dialog { width: 96vw; max-width: 96vw; }
  .image-dialog-toolbar { align-items: flex-start; flex-wrap: wrap; padding: 10px 12px; gap: 6px; }
  .image-dialog-toolbar h2 { flex-basis: 100%; font-size: 14px; }
  .image-dialog-toolbar > div { margin-left: auto; }
  .image-dialog-body { padding: 8px; }
  .image-dialog-body > img { max-height: calc(92dvh - 123px); }
}

/* Offer archive: current-page thumbnails, full documents only in the reader. */
.gallery-heading h3 { display: flex; align-items: center; gap: 12px; }
.gallery-heading p { margin-top: 8px; color: var(--muted); font-size: 13px; }
.gallery-total { padding: 2px 9px; font-size: 12px; font-weight: 400; border: 1px solid var(--border); border-radius: 20px; color: var(--accent); }
.gallery-filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.gallery-filters button { min-height: 44px; padding: 8px 14px; border: 1px solid var(--border); border-radius: 24px; background: transparent; color: var(--muted); font-size: 13px; }
.gallery-filters button[aria-pressed=true] { background: var(--accent); border-color: var(--accent); color: white; }
.offer-posters { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: 30px 20px; scroll-margin-top: 90px; }
.offer-poster { min-width: 0; margin: 0; }
.poster-frame { position: relative; aspect-ratio: 360 / 509; background: #e9edeb; border-radius: 5px; overflow: hidden; }
.poster-frame img { width: 100%; height: 100%; object-fit: contain; }
.poster-number { position: absolute; right: 7px; bottom: 7px; padding: 1px 6px; border-radius: 3px; color: white; background: #24312fd9; font-size: 10px; pointer-events: none; }
.offer-poster figcaption { padding-top: 14px; }
.offer-poster h4 { font-size: 15px; line-height: 1.4; font-weight: 500; }
.offer-poster figcaption p { margin-top: 5px; min-height: 38px; font-size: 12px; line-height: 1.6; color: var(--muted); }
.offer-poster .image-open { width: 100%; justify-content: space-between; border-top: 1px solid var(--border); margin-top: 8px; min-height: 44px; color: var(--accent); font-size: 12px; }
.gallery-pagination { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 30px; padding-top: 20px; border-top: 1px solid var(--border); }
.gallery-pagination > p { color: var(--muted); font-size: 12px; }
.gallery-controls { display: flex; align-items: center; gap: 15px; font-size: 13px; }
.gallery-controls button { width: 44px; height: 44px; border: 1px solid var(--border); border-radius: 50%; background: transparent; color: var(--accent); }
.gallery-controls button:hover:not(:disabled) { background: #e1e9e3; }
.gallery-controls button:disabled { opacity: .3; cursor: default; }

/* Complete student stories use native details in every view. */
.offer-board { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; align-items: start; }
.offer-item { position: relative; padding: 30px; border: 1px solid var(--border); border-radius: 8px; background: #fff; min-width: 0; scroll-margin-top: 90px; }
.case-anchor { position: absolute; top: 0; scroll-margin-top: 90px; }
.offer-top { margin-bottom: 24px; }
.case-results { display: flex; gap: 26px; }
.offer-result { flex: 1; min-width: 0; }
.offer-logo { height: 56px; display: flex; align-items: center; margin-bottom: 14px; }
.offer-logo .company-logo { height: 52px; width: auto; max-width: 145px; object-position: left center; }
.offer-result h3 { font-size: 27px; font-weight: 500; line-height: 1.3; letter-spacing: -.025em; }
.offer-result > p { color: var(--accent); font-size: 13px; margin-top: 9px; min-height: 44px; }
.offer-person { font-size: 12px; color: var(--muted); margin: 16px 0 24px; }
.offer-person span { margin-left: 12px; padding-left: 12px; border-left: 1px solid var(--border); }
.case-title { font-size: 17px; font-weight: 500; margin-bottom: 8px; }
.offer-start { font-size: 14px; line-height: 1.85; color: var(--muted); min-height: 78px; }
.offer-details { border-top: 1px solid var(--border); margin-top: 22px; }
.offer-details summary { display: flex; justify-content: space-between; align-items: center; min-height: 56px; padding-top: 8px; color: var(--accent); font-size: 13px; list-style: none; }
.offer-details[open] summary { padding-bottom: 18px; }
.offer-details[open] summary > span:last-child { transform: rotate(45deg); }
.case-reader { display: grid; grid-template-columns: minmax(230px,.8fr) minmax(0,1.65fr); gap: 50px; border-top: 1px solid var(--border); padding-top: 32px; }
.case-context { background: #e9edeb; padding: 26px; align-self: start; border-radius: 5px; }
.case-context h4 { font-size: 15px; font-weight: 500; }
.case-context dl { margin-top: 18px; font-size: 13px; }
.case-context dl > div + div { margin-top: 14px; }
.case-context dt { color: var(--muted); font-size: 11px; margin-bottom: 3px; }
.case-context dd { margin: 0; }
.case-support { margin-top: 28px; padding-top: 24px; border-top: 1px solid #d7dedb; }
.case-support ul { padding: 0 0 0 17px; margin: 16px 0 0; }
.case-support li { padding-left: 3px; font-size: 13px; line-height: 1.9; color: #596562; margin-bottom: 12px; }
.case-support li::marker { color: #5c6f5e; }
.case-reading-title { font-size: 28px; font-weight: 500; line-height: 1.5; }
.case-milestones { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px 24px; list-style: none; counter-reset: milestone; padding: 22px 0; margin: 22px 0 30px; border-block: 1px solid var(--border); }
.case-milestones li { counter-increment: milestone; font-size: 12px; color: var(--accent); line-height: 1.8; padding-left: 25px; position: relative; }
.case-milestones li::before { content: counter(milestone,decimal-leading-zero); position: absolute; left: 0; top: 0; color: #596562; font-size: 10px; }
.offer-story .case-chapter { display: grid; grid-template-columns: 25px minmax(0,1fr); gap: 12px; }
.offer-story .case-chapter + .case-chapter { margin-top: 30px; }
.chapter-number { font-size: 11px; color: #596562; padding-top: 5px; }
.offer-story h4 { font-size: 17px; font-weight: 500; margin-bottom: 12px; line-height: 1.6; }
.offer-story p { font-size: 15px; line-height: 2; color: #596562; }
.case-credit { margin-top: 32px; font-size: 11px; color: var(--muted); }
.offer-posters:focus-visible { outline: 2px solid #507da1; outline-offset: 5px; }
@media (max-width:1000px) {
  .offer-posters { grid-template-columns: repeat(4,minmax(0,1fr)); }
  .case-reader { gap: 26px; grid-template-columns: minmax(210px,.8fr) minmax(0,1.5fr); }
}
@media (max-width:760px) {
  .offer-posters { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 26px 16px; }
  .gallery-filters { gap: 6px; }
  .gallery-filters button { padding-inline: 12px; font-size: 12px; }
  .gallery-pagination { align-items: flex-start; }
  .gallery-controls { gap: 10px; }
  .offer-board { grid-template-columns: 1fr; }
  .offer-item { padding: 24px; }
  .case-results { gap: 16px; }
  .offer-result h3 { font-size: 24px; }
  .offer-logo .company-logo { max-width: 115px; }
  .offer-person span { display: block; margin: 5px 0 0; padding: 0; border: 0; }
  .offer-start { min-height: 0; }
  .case-reader { grid-template-columns: 1fr; gap: 30px; padding-top: 24px; }
  .case-context { padding: 22px; }
  .case-narrative { grid-row: 1; }
  .case-reading-title { font-size: 23px; }
  .case-milestones { grid-template-columns: 1fr; gap: 12px; }
  .offer-story .case-chapter { grid-template-columns: 19px minmax(0,1fr); gap: 6px; }
  .offer-story h4 { font-size: 16px; }
  .offer-story p { font-size: 14px; line-height: 1.95; }
}