/* ==========================================================================
   v2 — case-led layout, 2026-10-16
   Loaded after styles.css / refinements.css / positioning.css.
   Tokens come from styles.css: --ink --muted --line --accent --soft --ease-out
   ========================================================================== */
:root{--accent-soft:#f3e9e3;--ink-2:#2b2e2a;--num:Arial,"Helvetica Neue",sans-serif;--header-h:76px}
.num,.proof-item strong,.more-metrics strong,.market-line strong,.stage strong{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.brand{display:inline-flex;align-items:baseline}
.brand-name{margin-left:10px;font:600 13px/1 "Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;letter-spacing:.08em;color:var(--muted)}
.header-resume{flex:none;display:inline-flex;align-items:center;height:36px;padding:0 16px;border:1px solid var(--ink);border-radius:999px;font-size:13px;font-weight:680;transition:background-color .2s,color .2s}
.header-resume:hover,.header-resume:focus-visible{background:var(--ink);color:#fff}
.main-nav{margin-right:6px}

/* ---------- hero ---------- */
.slide-everbright img{object-position:center 58%}
.hero-actions{align-items:center;flex-wrap:wrap;row-gap:14px}
.hero-actions .hero-cta-primary,.hero-actions .hero-cta-secondary{display:inline-flex;align-items:center;height:46px;padding:0 22px;border-radius:999px;border:1px solid #fff;font-size:14px;font-weight:680;transition:background-color .2s,color .2s,opacity .2s}
.hero-actions .hero-cta-primary{background:#fff;color:var(--ink)}
.hero-actions .hero-cta-secondary{background:rgba(255,255,255,.08);color:#fff;backdrop-filter:blur(6px)}
.hero-actions .hero-cta-primary:hover{opacity:.88}
.hero-actions .hero-cta-secondary:hover{background:#fff;color:var(--ink);opacity:1}

/* ---------- proof strip ---------- */
.proof{padding-block:56px 64px}
.proof-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--ink)}
.proof-item{padding:26px 24px 0 0;min-width:0}
.proof-item+.proof-item{border-left:1px solid var(--line);padding-left:26px}
.proof-item strong{display:flex;align-items:baseline;gap:4px;font:500 clamp(42px,4.4vw,68px)/1 var(--num);letter-spacing:-.06em;white-space:nowrap}
.proof-item strong small{font-size:.42em;letter-spacing:0;font-weight:600}
.proof-item strong em{font-style:normal;font-size:.5em;color:var(--accent);margin-left:2px;letter-spacing:0}
.proof-label{display:block;margin-top:14px;font-size:14px;font-weight:600;line-height:1.5}
.proof-scope{display:block;margin-top:6px;font-size:12px;color:var(--muted);letter-spacing:.02em}

/* ---------- experience + filter ---------- */
.path-section{background:var(--soft)}
.timeline{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--ink)}
.timeline li{position:relative;padding:28px 24px 4px 0;display:flex;flex-direction:column;gap:6px}
.timeline li+li{padding-left:24px;border-left:1px solid var(--line)}
.timeline li::before{content:"";position:absolute;top:-5px;left:0;width:9px;height:9px;border-radius:50%;background:var(--accent)}
.timeline li+li::before{left:-5px}
.timeline time{font:600 12px/1 var(--num);letter-spacing:.06em;color:var(--accent)}
.timeline strong{font-size:18px;font-weight:650;margin-top:6px;line-height:1.35}
.timeline span{font-size:13px;color:var(--muted)}
.timeline a{margin-top:10px;font-size:12px;font-weight:680;align-self:flex-start;border-bottom:1px solid currentColor;padding-bottom:3px}
.cap-filter{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:52px;padding-top:28px;border-top:1px solid var(--line)}
.cap-filter-label{font-size:13px;font-weight:650;margin-right:8px}
.cap-filter button{appearance:none;height:38px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink);font:inherit;font-size:13px;font-weight:600;cursor:pointer;transition:border-color .2s,background-color .2s,color .2s}
.cap-filter button:hover{border-color:var(--ink)}
.cap-filter button[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff}
.cap-filter-status{font-size:12px;color:var(--muted);margin-left:6px}
.case,.more-card{transition:opacity .45s var(--ease-out),filter .45s var(--ease-out)}
.is-filtering .case:not(.is-match),.is-filtering .more-card:not(.is-match){opacity:.28;filter:grayscale(1)}
.is-filtering .is-match .case-index{color:var(--accent)}

/* ---------- cases ---------- */
.cases-section{padding-top:clamp(80px,7.4vw,108px)}
.cases-intro{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,320px);align-items:end;gap:20px 48px;margin-bottom:24px}
.cases-intro .eyebrow{grid-column:1/-1}
.cases-intro h2{font-size:clamp(32px,3.4vw,50px);line-height:1.2;letter-spacing:-.05em;font-weight:600;margin:0}
.cases-intro>p:last-child{color:var(--muted);font-size:14px;line-height:1.75;margin:0}
.case{padding-block:clamp(56px,6vw,88px) 0;border-top:1px solid var(--line);margin-top:clamp(40px,4vw,56px)}
.case:first-of-type{border-top:0;margin-top:0}
.case-head{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:18px 64px;align-items:end;margin-bottom:36px}
.case-index{grid-column:1/-1;margin:0;color:var(--muted);font-size:12px;font-weight:650;letter-spacing:.08em}
.case-head h3{margin:0;font-size:clamp(30px,3.3vw,50px);line-height:1.22;letter-spacing:-.045em;font-weight:620}
.case-meta{margin:0;display:grid;gap:0;border-top:1px solid var(--ink)}
.case-meta div{display:grid;grid-template-columns:72px minmax(0,1fr);gap:12px;padding:11px 0;border-bottom:1px solid var(--line)}
.case-meta dt{font-size:12px;color:var(--muted);font-weight:600}
.case-meta dd{margin:0;font-size:13px;font-weight:600;line-height:1.55}

.case-subnav{position:sticky;top:var(--header-h);z-index:12;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-block:1px solid var(--line);margin-bottom:8px}
.case-subnav .shell{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;padding-block:10px}
.case-subnav .shell::-webkit-scrollbar{display:none}
.case-subnav a{flex:none;padding:8px 14px;border-radius:999px;font-size:13px;font-weight:620;color:var(--muted);transition:background-color .2s,color .2s}
.case-subnav a:hover{color:var(--ink)}
.case-subnav a[aria-current="true"]{background:var(--ink);color:#fff}

.chapter{padding-block:clamp(48px,5vw,72px)}
.chapter-soft{background:var(--soft)}
.chapter-head{display:grid;grid-template-columns:44px minmax(0,1fr) minmax(0,380px);gap:8px 24px;align-items:baseline;margin-bottom:32px}
.chapter-head>span{font:600 13px/1 var(--num);color:var(--accent);letter-spacing:.04em}
.chapter-head h4{margin:0;font-size:clamp(21px,1.9vw,27px);line-height:1.35;font-weight:640;letter-spacing:-.02em}
.chapter-head p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}

/* CPL chart + steps */
.cpl-grid{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:24px;margin-top:40px}
.cpl-card{margin:0;padding:28px 28px 24px;border:1px solid var(--line);border-radius:14px;background:#fff;display:flex;flex-direction:column}
.cpl-chart{width:100%;max-width:360px;height:auto;margin-inline:auto;display:block;overflow:visible}
.cpl-axis{stroke:var(--line);stroke-width:1}
.cpl-before{fill:#d9dcd7}
.cpl-after{fill:var(--accent)}
.cpl-bar{transform-box:fill-box;transform-origin:50% 100%;transition:transform 1s var(--ease-out)}
.cpl-card.reveal:not(.visible) .cpl-bar{transform:scaleY(0)}
.cpl-after{transition-delay:.25s}
.cpl-value{font:600 20px var(--num);fill:var(--ink)}
.cpl-value-accent{fill:var(--accent)}
.cpl-label{font-size:12px;fill:var(--muted)}
.cpl-card figcaption{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:baseline}
.cpl-card figcaption strong{font-size:16px}
.cpl-card figcaption span{font-size:12px;color:var(--muted)}
.case-steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;counter-reset:step}
.case-steps-3{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:40px}
.case-steps li{counter-increment:step;padding:22px 22px 20px;border-radius:14px;background:var(--soft);display:flex;flex-direction:column;gap:10px}
.case-steps small{font-size:12px;font-weight:700;color:var(--accent);letter-spacing:.04em}
.case-steps small::before{content:counter(step,decimal-leading-zero) " · ";color:var(--muted);font-weight:600}
.case-steps p{margin:0;font-size:14px;line-height:1.75}
.case-steps li:last-child{background:var(--ink);color:#fff}
.case-steps li:last-child small{color:#e2b9a4}
.case-steps li:last-child small::before{color:rgba(255,255,255,.55)}

/* market bars */
.market-v2{margin-top:40px;border-top:1px solid var(--ink)}
.market-v2-head{display:flex;justify-content:space-between;gap:16px;align-items:baseline;padding:18px 0 8px;flex-wrap:wrap}
.market-v2-head h5{margin:0;font-size:16px;font-weight:650}
.market-v2-head span{font-size:12px;color:var(--muted)}
.market-line{border-bottom:1px solid var(--line)}
.market-line summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:minmax(150px,220px) minmax(0,1fr) 64px 72px;gap:18px;align-items:center;padding:16px 0}
.market-line summary::-webkit-details-marker{display:none}
.market-name{font-size:14px;font-weight:600}
.market-name::after{content:"+";margin-left:8px;color:var(--muted);font-weight:500;display:inline-block;transition:transform .25s}
.market-line[open] .market-name::after{transform:rotate(45deg)}
.market-bar{height:10px;background:var(--soft);border-radius:99px;overflow:hidden}
.market-bar i{display:block;height:100%;width:var(--w);min-width:6px;border-radius:inherit;background:var(--ink);transform-origin:left;transition:transform 1s var(--ease-out)}
.market-v2.reveal:not(.visible) .market-bar i{transform:scaleX(0)}
.market-line strong{font:600 20px var(--num);text-align:right}
.market-line summary em{font-style:normal;font-size:13px;color:var(--accent);font-weight:650;text-align:right}
.market-line ul{list-style:none;margin:0 0 14px;padding:0 0 0 calc(min(220px,30%) + 18px)}
.market-line li{display:grid;grid-template-columns:minmax(0,1fr) 64px 72px;gap:18px;padding:7px 0;font-size:13px;color:var(--muted);border-top:1px dashed var(--line)}
.market-line li b{text-align:right;color:var(--ink);font-weight:600;font-family:var(--num)}
.market-line li em{font-style:normal;text-align:right}
.market-proof-link{display:inline-block!important;width:auto!important;margin-top:16px;font-size:13px;font-weight:650;border-bottom:1px solid currentColor;padding-bottom:3px;background:none;cursor:zoom-in}

/* localization */
.loc-media{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) minmax(0,.42fr);gap:16px;margin-top:36px;align-items:stretch}
.loc-media figure{margin:0;display:flex;flex-direction:column;min-width:0}
.loc-media a{display:block;flex:1;border-radius:12px;overflow:hidden;background:#e9ebe7}
.loc-media img{width:100%;height:100%;object-fit:cover;display:block;aspect-ratio:16/10;transition:transform .6s var(--ease-out)}
.loc-media .loc-account img{object-position:top;aspect-ratio:auto}
.loc-media a:hover img{transform:scale(1.02)}
.loc-media figcaption{font-size:12px;color:var(--muted);margin-top:10px}
#localization .data-note{margin-top:28px}

/* website split + frames */
.site-split{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:40px;align-items:start;margin-top:8px}
.site-facts .case-facts{margin-top:0}
.site-facts .case-page-links{margin-top:24px}
.browser-frame{margin:0;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;box-shadow:0 18px 40px -28px rgba(19,24,19,.35)}
.browser-bar{display:flex;align-items:center;gap:6px;height:30px;padding:0 12px;background:#f1f2ef;border-bottom:1px solid var(--line)}
.browser-bar i{width:8px;height:8px;border-radius:50%;background:#d0d3cd}
.browser-bar span{margin-left:10px;font-size:11px;color:var(--muted);font-family:var(--num);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.browser-frame .evidence-button{display:block;width:100%;border-radius:0}
.browser-frame img{display:block;width:100%;height:auto}
.browser-frame figcaption{font-size:12px;color:var(--muted);padding:10px 12px;border-top:1px solid var(--line)}

/* case 02 — light palette shared with the other case cards */
.case-greenview{color:var(--ink)}
.case-greenview .case-index{color:var(--muted)}
.case-greenview .case-meta{border-top-color:var(--line)}
.case-greenview .case-meta div{border-bottom-color:var(--line)}
.case-greenview .case-meta dt{color:var(--muted)}
.case-greenview .wpc-metrics{border-color:var(--line)}
.case-greenview .wpc-metrics>div{border-color:var(--line)}
.case-greenview .wpc-metrics span,.case-greenview .wpc-content p,.case-greenview .wpc-content span{color:var(--muted)}
.case-greenview .wpc-content h3{color:var(--ink)}
.case-greenview .case-steps li{background:var(--soft)}
.case-greenview .case-steps small::before{color:var(--muted)}
.case-greenview .case-steps li:last-child{background:var(--accent);color:#fff}
.case-greenview .case-steps li:last-child small{color:#fff}
.wpc-v2{display:grid;grid-template-columns:minmax(0,1fr) minmax(220px,300px);gap:56px;align-items:start}
.wpc-v2 .wpc-profile{margin:0}
.wpc-v2 .wpc-profile img{border-radius:14px}
.wpc-v2 .wpc-profile figcaption{color:var(--muted)}
.stage-block{margin-top:36px}
.stage-block h5{margin:0 0 12px;font-size:13px;font-weight:650;letter-spacing:.04em;color:var(--muted)}
.stage{display:grid;grid-template-columns:110px minmax(0,1fr) 72px;gap:16px;align-items:center;padding:9px 0;border-bottom:1px solid var(--line)}
.stage-name{font-size:13px;color:var(--muted)}
.stage-bar{height:14px;border-radius:4px;background:var(--soft);overflow:hidden}
.stage-bar i{display:block;height:100%;width:var(--w);min-width:6px;background:var(--ink-2);border-radius:inherit;transform-origin:left;transition:transform 1.1s var(--ease-out)}
.stage-win .stage-bar i{background:var(--accent)}
.stage-block.reveal:not(.visible) .stage-bar i{transform:scaleX(0)}
.stage strong{font:600 20px var(--num);text-align:right;color:var(--ink)}
.stage-win strong{color:var(--accent)}
.stage-note{margin:14px 0 0;font-size:12px;color:var(--muted);line-height:1.6}
.case-greenview .wpc-content{margin-top:48px}

/* case 03 */
.build-timeline{list-style:none;margin:0 0 32px;padding:0;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:0;position:relative}
.build-timeline::before{content:"";position:absolute;top:15px;left:16px;right:16px;height:1px;background:var(--line)}
.build-timeline li{position:relative;display:flex;flex-direction:column;gap:6px;padding-right:10px}
.build-timeline li>span{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:#fff;border:1px solid var(--ink);font:600 11px var(--num);position:relative}
.build-timeline li.is-result>span{background:var(--accent);border-color:var(--accent);color:#fff}
.build-timeline strong{margin-top:10px;font-size:15px;font-weight:650}
.build-timeline small{font-size:12px;color:var(--muted)}
.build-timeline li.is-result small{color:var(--accent);font-weight:650}
#everbright .project-results{margin:0 0 40px}
.evidence-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr)) minmax(0,.48fr);gap:16px;margin-top:40px;align-items:start}
.evidence-strip figure{margin:0;min-width:0}
.phone-frame a{display:block;border-radius:16px;overflow:hidden;border:1px solid var(--line)}
.phone-frame img{display:block;width:100%;height:auto;aspect-ratio:9/14;object-fit:cover;object-position:top}
.phone-frame figcaption{font-size:12px;color:var(--muted);margin-top:10px}
#everbright>.shell>.case-page-links{margin-top:24px;padding-bottom:clamp(56px,6vw,88px)}

/* more work */
.more-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
.more-card{display:flex;flex-direction:column;gap:14px;min-width:0}
.more-card .case-index{margin-top:10px}
.more-card h3{margin:0;font-size:clamp(22px,2vw,28px);font-weight:640;letter-spacing:-.025em;line-height:1.3}
.more-card>p{margin:0;font-size:14px;line-height:1.75;color:var(--muted)}
.more-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--ink)}
.more-metrics div{padding:14px 12px 0 0;min-width:0}
.more-metrics div+div{border-left:1px solid var(--line);padding-left:14px}
.more-metrics strong{display:block;font:600 clamp(20px,1.9vw,27px)/1.1 var(--num);letter-spacing:-.03em;white-space:nowrap}
.more-metrics span{display:block;margin-top:8px;font-size:12px;color:var(--muted);line-height:1.45}
.more-card .case-expander{margin-top:6px}
.more-evidence{display:grid;grid-template-columns:minmax(0,180px) minmax(0,1fr);gap:20px;align-items:start;margin-top:20px}
.more-evidence img{width:100%;border-radius:12px;display:block;aspect-ratio:9/12;object-fit:cover;object-position:top}
.more-evidence .case-page-links{margin-top:0;flex-direction:column;align-items:flex-start}

/* services link */
@media (min-width:851px){.services-section .service-row{grid-template-columns:64px minmax(0,1fr) minmax(180px,310px) 72px}}
.service-link{font-size:12px;font-weight:680;border-bottom:1px solid currentColor;padding-bottom:3px;white-space:nowrap;justify-self:end}
.project-results strong>span{display:inline;margin:0;font:inherit;color:inherit}

/* about */
.about-v2{padding-block:clamp(80px,7.4vw,108px)}
.about-v2-grid{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:56px;align-items:start}
.about-person{display:flex;gap:24px;align-items:flex-end}
.about-portrait{width:132px;height:154px;object-fit:cover;border-radius:12px;flex:none;background:#dfe3dc}
.about-person h2{margin:12px 0 0;font-size:clamp(30px,3vw,44px)!important;letter-spacing:-.04em}
.about-role{margin:8px 0 0;font-size:13px;color:var(--muted)}
.about-lead{margin:0;font-size:16px;line-height:1.9}
.principles{list-style:none;margin:32px 0 0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;border-top:1px solid var(--ink)}
.principles li{padding:16px 16px 16px 0;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:6px}
.principles li:nth-child(even){padding-left:16px;border-left:1px solid var(--line)}
.principles strong{font-size:15px}
.principles span{font-size:13px;color:var(--muted);line-height:1.6}
.personal-v2{margin-top:36px}
.personal-v2-title{margin:0 0 12px;font-size:13px;font-weight:650}
.personal-v2 .personal-stats{margin-top:0}
.personal-more .personal-media{margin-top:16px}

/* contact */
.contact-paths{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:28px}
.contact-paths a{display:flex;flex-direction:column;gap:6px;padding:18px 18px 16px;border-radius:12px;border:1px solid rgba(255,255,255,.2);transition:background-color .2s,border-color .2s}
.contact-paths a:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.5)}
.contact-paths small{font-size:12px;color:#c5a68f}
.contact-paths strong{font-size:17px;color:#fff}
.contact-paths strong::after{content:" →";color:#c5a68f}
.contact-section #wechat-id{scroll-margin-top:calc(var(--header-h) + 40px)}

/* mobile sticky CTA */
.mobile-cta{display:none}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .proof-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .proof-item:nth-child(3){border-left:0;padding-left:0}
  .proof-item:nth-child(n+3){border-top:1px solid var(--line);margin-top:26px}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:16px}
  .timeline li:nth-child(3){border-left:0;padding-left:0}
  .timeline li:nth-child(3)::before{left:0}
  .case-head{grid-template-columns:1fr}
  .chapter-head{grid-template-columns:44px minmax(0,1fr)}
  .chapter-head p{grid-column:2}
  .cpl-grid,.site-split{grid-template-columns:1fr}
  .wpc-v2{grid-template-columns:minmax(0,1fr) 220px;gap:32px}
  .evidence-strip{grid-template-columns:repeat(3,minmax(0,1fr))}
  .evidence-strip .phone-frame{display:none}
  .about-v2-grid{grid-template-columns:1fr;gap:36px}
}
@media (max-width:850px){
  :root{--header-h:66px}
  .service-link{grid-column:2;justify-self:start}
  .header-resume{display:none}
  .brand-name{font-size:12px}
  .proof{padding-block:40px 48px}
  .cases-intro{grid-template-columns:1fr}
  .case-steps,.case-steps-3{grid-template-columns:1fr}
  .wpc-v2{grid-template-columns:1fr}
  .wpc-v2 .wpc-profile{max-width:260px}
  .build-timeline{grid-template-columns:repeat(3,minmax(0,1fr));row-gap:22px}
  .build-timeline::before{display:none}
  .more-grid{grid-template-columns:1fr;gap:56px}
  .loc-media{grid-template-columns:1fr 1fr}
  .loc-media .loc-account{display:none}
  .contact-qr{display:none}
  .mobile-cta{display:grid;grid-template-columns:1fr 1fr;gap:8px;position:fixed;left:12px;right:12px;bottom:calc(12px + env(safe-area-inset-bottom));z-index:40;padding:8px;border-radius:16px;background:rgba(21,23,20,.92);backdrop-filter:blur(12px);box-shadow:0 14px 30px -12px rgba(0,0,0,.45);transform:translateY(140%);transition:transform .4s var(--ease-out)}
  .mobile-cta.is-visible{transform:none}
  .mobile-cta a{display:grid;place-items:center;height:44px;border-radius:10px;font-size:14px;font-weight:650;color:#fff}
  .mobile-cta a:first-child{background:#fff;color:var(--ink)}
  .mobile-cta a:last-child{border:1px solid rgba(255,255,255,.3)}
  .site-footer{padding-bottom:84px}
}
@media (max-width:600px){
  .proof-grid{grid-template-columns:1fr 1fr}
  .proof-item{padding:20px 12px 0 0}
  .proof-item+.proof-item{padding-left:14px}
  .proof-item:nth-child(3){padding-left:0}
  .proof-item strong{font-size:36px}
  .proof-label{font-size:13px}
  .timeline{grid-template-columns:1fr}
  .timeline li+li{border-left:0;padding-left:0;border-top:1px solid var(--line)}
  .timeline li::before,.timeline li+li::before{left:0}
  .cap-filter{margin-top:36px}
  .cap-filter-label{flex-basis:100%}
  .case-head h3{font-size:28px}
  .chapter-head{grid-template-columns:1fr;gap:8px}
  .chapter-head p{grid-column:auto}
  .cpl-card{padding:22px 18px 18px}
  .market-line summary{grid-template-columns:minmax(0,1fr) 46px 56px;gap:10px}
  .market-line .market-bar{grid-column:1/-1;grid-row:2}
  .market-line strong{font-size:17px}
  .market-line ul{padding-left:0}
  .market-line li{grid-template-columns:minmax(0,1fr) 46px 56px;gap:10px}
  .stage{grid-template-columns:86px minmax(0,1fr) 52px;gap:10px}
  .stage-name{font-size:12px;white-space:nowrap}
  .stage strong{font-size:17px}
  .build-timeline{grid-template-columns:repeat(2,minmax(0,1fr))}
  .evidence-strip{grid-template-columns:1fr}
  .evidence-strip figure:nth-child(n+2){display:none}
  .loc-media{grid-template-columns:1fr}
  .loc-media figure:nth-child(2){display:none}
  .more-metrics strong{font-size:19px}
  .more-evidence{grid-template-columns:120px minmax(0,1fr)}
  .about-person{align-items:center}
  .about-portrait{width:96px;height:112px}
  .principles{grid-template-columns:1fr}
  .principles li:nth-child(even){padding-left:0;border-left:0}
  .contact-paths{grid-template-columns:1fr}
  .service-link{display:none}
}
@media (prefers-reduced-motion:reduce){
  .cpl-bar,.market-bar i,.stage-bar i,.case,.more-card,.mobile-cta{transition:none}
  .cpl-card.reveal:not(.visible) .cpl-bar,.market-v2.reveal:not(.visible) .market-bar i,.stage-block.reveal:not(.visible) .stage-bar i{transform:none}
}

/* ---------- polish pass 2 ---------- */
.nowrap{white-space:nowrap}
.site-header:not(.is-scrolled):not(.menu-open) .brand-name{color:rgba(255,255,255,.78)}
.site-header:not(.is-scrolled):not(.menu-open) .header-resume{border-color:rgba(255,255,255,.65);color:#fff}
.site-header:not(.is-scrolled):not(.menu-open) .header-resume:hover{background:#fff;color:var(--ink)}
.hero-actions>a:not([class]){height:46px;display:inline-flex;align-items:center;padding-bottom:0;border-bottom:0;text-decoration:underline;text-underline-offset:6px;text-decoration-thickness:1px}
:where(.cap-filter button,.case-subnav a,.header-resume,.hero-actions a,.market-line summary,.contact-paths a,.about-actions a,.mobile-cta a,.service-link,.timeline a):focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.cpl-trend{fill:none;stroke:var(--accent);stroke-width:1.4;stroke-dasharray:4 4}
.cpl-delta{font:700 15px var(--num);fill:var(--accent)}
.market-cols{display:grid;grid-template-columns:minmax(150px,220px) minmax(0,1fr) 64px 72px;gap:18px;padding:4px 0 6px;border-bottom:1px solid var(--line);font-size:11px;color:var(--muted);letter-spacing:.04em}
.market-cols span:nth-child(n+3){text-align:right}
.wpc-kpis{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--line)}
.wpc-kpis>div{padding:22px 16px 0 0;min-width:0}
.wpc-kpis>div+div{padding-left:22px;border-left:1px solid var(--line)}
.wpc-kpis strong{display:block;font:500 clamp(34px,3.6vw,52px)/1 var(--num);letter-spacing:-.05em;white-space:nowrap;color:var(--ink)}
.wpc-kpis strong small{font-size:.38em;letter-spacing:0;margin-inline:2px;font-weight:600}
.wpc-kpis span{display:block;margin-top:12px;font-size:12px;color:var(--muted)}
.case-greenview .wpc-content{grid-template-columns:1fr 1fr;gap:32px}
.case-greenview .wpc-content article{max-width:none;display:grid;grid-template-columns:minmax(0,200px) minmax(0,1fr);column-gap:28px;align-items:end}
.case-greenview .wpc-content article>a{grid-row:1/span 3;max-width:none}
.case-greenview .wpc-content article>a img{width:100%;max-height:none;height:auto;border-radius:12px}
.case-greenview .wpc-content article>div{grid-column:2;margin-top:0;grid-template-columns:auto 1fr}
.case-greenview .wpc-content article>h3,.case-greenview .wpc-content article>p{grid-column:2}
.build-timeline li.is-result strong{color:var(--accent);font-size:clamp(18px,1.6vw,22px)}
.build-timeline li.is-result strong b{font:600 1.25em var(--num);letter-spacing:-.03em}
.build-timeline li.is-result small{color:var(--muted);font-weight:500}
.more-card .browser-frame img{aspect-ratio:16/9;object-fit:cover;object-position:top}
.about-person{flex-wrap:wrap}
.about-v2-grid>.about-person{position:sticky;top:calc(var(--header-h) + 32px)}
.about-facts{flex-basis:100%;margin:28px 0 0;border-top:1px solid var(--ink)}
.about-facts div{display:grid;grid-template-columns:56px minmax(0,1fr);gap:12px;padding:11px 0;border-bottom:1px solid var(--line)}
.about-facts dt{font-size:12px;color:var(--muted);font-weight:600}
.about-facts dd{margin:0;font-size:13px;font-weight:600;line-height:1.55}
.about-actions{flex-basis:100%;display:flex;gap:10px;margin-top:22px}
.about-actions a{display:inline-flex;align-items:center;height:42px;padding:0 20px;border-radius:999px;border:1px solid var(--ink);font-size:13px;font-weight:680;transition:background-color .2s,color .2s}
.about-actions .about-btn-primary{background:var(--ink);color:#fff}
.about-actions a:hover{background:var(--ink);color:#fff}
.about-actions .about-btn-primary:hover{opacity:.85}
@media (max-width:1100px){
  .about-v2-grid>.about-person{position:static}
  .case-greenview .wpc-content{grid-template-columns:1fr}
}
@media (max-width:850px){
  .wpc-v2 .wpc-profile{max-width:200px}
}
@media (max-width:600px){
  .hero-actions{gap:10px}
  .hero-actions .hero-cta-primary,.hero-actions .hero-cta-secondary{height:42px;padding:0 18px}
  .hero-actions>a:not([class]){height:42px;margin-left:6px}
  .market-cols{display:none}
  .wpc-kpis{grid-template-columns:1fr 1fr}
  .wpc-kpis>div:nth-child(3){grid-column:1/-1;border-left:0;padding-left:0;border-top:1px solid var(--line);margin-top:20px}
  .wpc-kpis strong{font-size:34px}
  .case-greenview .wpc-content article{grid-template-columns:120px minmax(0,1fr);column-gap:16px}
  .case-head h3 .nowrap{white-space:normal}
  .cpl-delta{font-size:14px}
}

/* ---------- ads method diagram ---------- */
.method{margin-top:48px;border:1px solid var(--line);border-radius:16px;padding:28px 28px 0;overflow:hidden}
.method-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:24px}
.method-head h5{margin:0;font-size:16px;font-weight:650}
.method-tag{font-size:11px;color:var(--muted);border:1px dashed var(--line);border-radius:999px;padding:4px 10px}
.method-flow{display:grid;grid-template-columns:minmax(0,1fr) 28px minmax(0,1fr) 28px minmax(0,1.1fr);align-items:stretch}
.method-arrow{display:grid;place-items:center;color:var(--accent);font-size:18px}
.method-col{display:flex;flex-direction:column;gap:10px;padding:20px;border-radius:12px;background:var(--soft)}
.method-col small{font-size:12px;font-weight:700;color:var(--accent);letter-spacing:.04em}
.method-col strong{font-size:16px;font-weight:650}
.method-chips{list-style:none;margin:0;padding:0;display:flex;gap:8px}
.method-chips li{font:600 13px var(--num);padding:6px 12px;border-radius:8px;background:#fff;border:1px solid var(--line)}
.method-find{margin:auto 0 0;font-size:13px;color:var(--muted);line-height:1.6;padding-top:10px;border-top:1px dashed var(--line)}
.method-groups{display:grid;gap:8px}
.method-groups span{font-size:13px;font-weight:600;padding:10px 12px;border-radius:8px;background:#fff;border:1px solid var(--line);border-left:3px solid var(--ink)}
.method-groups span+span{border-left-color:var(--accent)}
.method-list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px 14px;font-size:13px;color:var(--muted)}
.method-list li::before{content:"· ";color:var(--accent)}
.method-loop{list-style:none;margin:0;padding:0;display:grid;gap:0;counter-reset:loop}
.method-loop li{counter-increment:loop;position:relative;padding:8px 0 8px 30px;font-size:13px;font-weight:600;border-bottom:1px solid var(--line)}
.method-loop li:last-child{border-bottom:0;color:var(--accent)}
.method-loop li::before{content:counter(loop);position:absolute;left:0;top:7px;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;font:600 11px var(--num);background:#fff;border:1px solid var(--line)}
.method-loop li:last-child::before{content:"↺";background:var(--accent);border-color:var(--accent);color:#fff}
.method-loop em{font-style:normal;font-size:11px;color:var(--muted);font-weight:500;margin-left:8px}
.method-result{display:flex;flex-wrap:wrap;gap:8px 28px;align-items:baseline;margin:24px -28px 0;padding:18px 28px;background:var(--ink);color:#fff}
.method-result span{font-size:12px;color:#e2b9a4;font-weight:650}
.method-result strong{font-size:15px;font-weight:620}
@media (max-width:1100px){
  .method-flow{grid-template-columns:1fr;gap:0}
  .method-arrow{height:28px;transform:rotate(90deg)}
}
@media (max-width:600px){
  .method{padding:20px 16px 0}
  .method-result{margin:20px -16px 0;padding:16px}
  .method-col{padding:16px}
}

/* Mobile evidence follow-up: reflow metrics instead of squeezing three columns. */
@media (max-width:600px){
  :is(.more-metrics,.ads-results,.wpc-kpis,.proof-grid,.project-results){grid-template-columns:minmax(0,1fr);gap:0}
  :is(.more-metrics,.ads-results,.wpc-kpis,.proof-grid,.project-results)>div:nth-child(n){grid-column:auto;min-width:0;padding:16px 0;margin:0;border-left:0;border-top:1px solid var(--line)}
  :is(.more-metrics,.ads-results,.wpc-kpis,.proof-grid,.project-results)>div:first-child{border-top:0}
  .case-greenview .wpc-kpis>div:nth-child(n){border-top-color:var(--line)}
  :is(.more-metrics,.ads-results,.wpc-kpis,.proof-grid,.project-results) strong{font-size:clamp(24px,7.5vw,32px);line-height:1.25;letter-spacing:-.025em;white-space:normal;overflow-wrap:anywhere}
  :is(.more-metrics,.ads-results,.wpc-kpis,.project-results)>div>span,.proof-label{margin-top:6px;font-size:14px;line-height:1.6;overflow-wrap:normal}
  .proof-scope{margin-top:6px;font-size:12px;line-height:1.6}
}
@media (max-width:850px){
  html{scroll-padding-bottom:calc(64px + env(safe-area-inset-bottom,0px))}
  .mobile-cta{left:0;right:0;bottom:0;gap:8px;padding:4px 12px calc(4px + env(safe-area-inset-bottom,0px));border-radius:0;border-top:1px solid rgba(255,255,255,.16);box-shadow:none}
  .mobile-cta a{height:auto;min-height:44px;padding:6px 8px;border-radius:7px;font-size:13px;line-height:1.25;text-align:center;white-space:normal;overflow-wrap:normal}
  body.menu-open .mobile-cta{display:none}
  .site-footer{padding-bottom:calc(84px + env(safe-area-inset-bottom,0px))}
}

/* Keep offscreen actions out of keyboard order and preserve a single-line menu label with larger text. */
@media (max-width:850px){
  .mobile-cta{visibility:hidden;pointer-events:none}
  .mobile-cta.is-visible{visibility:visible;pointer-events:auto}
  .site-header{gap:8px}
  .menu-toggle{flex:0 0 auto;gap:8px;white-space:nowrap}
}

@media(max-width:850px){
  html:has(body.menu-open){overflow-x:clip}
  .site-header,.mobile-menu{width:100svw;max-width:100svw;right:auto}
}

/* October 31: short overview, original evidence behind native disclosures. */
.content-compact .cases-section{padding-top:40px}
.content-compact .case-overview-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;align-items:start}
.content-compact .case-overview{min-width:0;margin:0;padding:28px;border:1px solid var(--line);scroll-margin-top:calc(var(--header-h) + 20px)}
.content-compact .case-overview.case-greenview{border-color:var(--line)}
.content-compact .case-overview>.case-head{display:block;width:100%;padding:0;margin:0 0 20px}
.content-compact .case-overview .case-index{font-size:11px;line-height:1.6;margin-bottom:12px}
.content-compact .case-overview>.case-head h3{font-size:clamp(23px,2.1vw,30px);line-height:1.3;margin:0 0 18px}
.content-compact .case-overview .case-meta div{padding:8px 0;grid-template-columns:48px minmax(0,1fr)}
.content-compact .case-preview{margin:0 0 18px;overflow:hidden;border-radius:8px;background:var(--soft)}
.content-compact .case-preview img{display:block;width:100%;height:180px;object-fit:contain;object-position:center;padding:8px}
.content-compact .case-overview:has(>.case-full[open]){grid-column:1/-1}
.content-compact .case-overview:has(>.case-full[open])>.case-preview{display:none}
.content-compact .case-full{margin:0;border-top:1px solid var(--line)}
.content-compact :is(.case-full,.content-disclosure)>summary{display:flex;align-items:center;justify-content:space-between;gap:16px;list-style:none;padding:16px 0;min-height:48px;font-size:14px;font-weight:650;cursor:pointer}
.content-compact :is(.case-full,.content-disclosure)>summary::-webkit-details-marker{display:none}
.content-compact .disclosure-open{display:none}
.content-compact details[open]>summary .disclosure-open{display:inline}
.content-compact details[open]>summary .disclosure-closed{display:none}
.content-compact details[open]>summary .expand-mark{transform:rotate(45deg)}
.content-compact .case-greenview .case-full{border-color:var(--line)}
.content-compact .disclosure-content{padding-bottom:8px}
.content-compact .disclosure-return{display:block;margin:18px 0;padding:10px 14px;min-height:44px;border:1px solid currentColor;border-radius:6px;background:transparent;color:inherit;font:inherit;font-size:13px;cursor:pointer}
.content-compact :is(.case-full,.content-disclosure)>summary:focus-visible,.content-compact .disclosure-return:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
.content-compact .case-full .shell{width:100%;padding-inline:0}
.content-compact .case-full .chapter-soft>.shell{padding-inline:20px}
.content-compact .case-full .case-subnav{margin-inline:-28px;padding-inline:28px;max-width:calc(100% + 56px)}
.content-compact .case-full .chapter:first-of-type{padding-top:32px}
.content-compact #case-arrow-details [id]{scroll-margin-top:calc(var(--header-h) + 64px)}
.content-compact .more-section,.content-compact .ai-section{padding-block:40px}
.content-compact .more-section .section-heading,.content-compact .ai-section .section-heading{margin-bottom:12px}
.content-compact .more-section h2,.content-compact .ai-section h2{font-size:28px;line-height:1.3}
.content-compact .content-disclosure{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.content-compact #gwawa{padding-top:24px}
.content-compact .services-section{padding-block:48px}
.content-compact .method-principles{margin-top:24px;border-top:1px solid var(--line)}
.content-compact .method-principles>summary{padding:16px 0;cursor:pointer;min-height:48px;font-size:14px;font-weight:650;display:flex;justify-content:space-between}
.content-compact .method-principles .principles{margin-top:0}
.content-compact .about-v2{padding-block:56px}
.content-compact .about-body .timeline{display:block;margin-top:18px}
.content-compact .about-body .timeline li{padding:12px 0;border-left:0;border-bottom:1px solid var(--line);gap:4px}
.content-compact .about-body .timeline li::before{display:none}
.content-compact .about-body .timeline a{align-self:flex-start;margin-top:2px}
.content-compact .about-body #path h3{margin:0;font-size:18px}
.content-compact .personal-v2{margin-top:24px}
.content-compact .personal-v2-title{line-height:1.7}
.content-compact .contact-resume{margin:16px 0 24px;border-top:1px solid rgba(255,255,255,.2);border-bottom:1px solid rgba(255,255,255,.2)}
.content-compact .contact-resume>summary{min-height:48px;display:flex;align-items:center;justify-content:space-between;gap:12px;cursor:pointer;font-size:14px}
.content-compact .contact-resume .resume-links{padding-bottom:16px}
.content-compact .contact-resume .resume-links a{color:inherit;background:transparent;border:1px solid rgba(255,255,255,.3);font-size:13px}
@media(max-width:850px){
 .content-compact .case-overview-grid{grid-template-columns:1fr}
 .content-compact .case-overview{padding:22px}
 .content-compact .case-full .case-subnav{margin-inline:-22px;padding-inline:22px;max-width:calc(100% + 44px)}
 .content-compact .case-overview>.case-head h3{font-size:25px}
 .content-compact .case-preview img{height:150px}
}
@media(max-width:380px){.content-compact .case-overview{padding:18px}.content-compact .case-overview>.case-head h3{font-size:23px}.content-compact .case-full .case-subnav{margin-inline:-18px;padding-inline:18px;max-width:calc(100% + 36px)}}

/* Mobile navigation: readable labels with independent touch targets. */
@media(max-width:850px){
 .content-compact .mobile-menu-inner,.content-compact .mobile-menu.is-open .mobile-menu-inner{padding-top:18px;padding-bottom:max(24px,env(safe-area-inset-bottom))}
 .content-compact .mobile-menu-inner::before{margin-bottom:12px}
 .content-compact .mobile-menu-primary a{font-size:19px;font-weight:500;line-height:1.4;min-height:48px;padding-block:10px;letter-spacing:0}
 .content-compact .mobile-menu-more-toggle{font-size:16px;font-weight:500;line-height:1.4;min-height:44px;margin-top:8px;padding-block:8px}
 .content-compact .mobile-menu-more-toggle span{font-size:20px}
 .content-compact .mobile-menu-more-inner a{font-size:16px;font-weight:500;line-height:1.4;min-height:44px;padding-block:10px;letter-spacing:0}
 .content-compact .mobile-menu .mobile-menu-contact{font-size:18px;font-weight:500;line-height:1.4;min-height:48px;margin-top:16px;padding-block:8px;letter-spacing:0}
 .content-compact .site-header .menu-toggle{font-size:14px;font-weight:500;line-height:1.3;min-height:44px}
 .content-compact .menu-toggle-icon{width:20px;height:18px;flex:none}
 .content-compact .menu-toggle-icon::before{top:5px;width:20px}
 .content-compact .menu-toggle-icon::after{top:12px;width:14px}
 .content-compact .site-header.menu-open .menu-toggle-icon::before,.content-compact .site-header.menu-open .menu-toggle-icon::after{top:9px;width:20px}
}

/* November 1: quieter case typography and one clear mobile contact action. */
.content-compact .case-overview{background:#fff}
.content-compact .case-overview .case-index::before{content:"";display:inline-block;width:6px;height:6px;margin-right:8px;border-radius:50%;background:var(--accent);vertical-align:middle}
.content-compact .case-overview .case-meta dt{font-weight:500}
.content-compact .case-overview .case-meta dd{font-weight:400;line-height:1.65}
.content-compact .case-full :is(.case-steps p,.case-facts dd){font-weight:400}
.content-compact .case-preview-open{position:relative;display:block;width:100%;border:0;border-radius:0;padding:0;background:transparent;cursor:zoom-in}
.case-preview-hint{position:absolute;right:8px;bottom:8px;border:1px solid var(--line);border-radius:5px;padding:4px 7px;background:rgba(255,255,255,.94);color:var(--muted);font:400 11px/1.4 "Noto Sans SC","Microsoft YaHei",sans-serif;pointer-events:none}
.case-preview-open:focus-visible{outline:2px solid var(--accent);outline-offset:-3px}
@media(max-width:850px){
  .mobile-cta{grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:12px;padding:2px 12px calc(2px + env(safe-area-inset-bottom,0px));border-top-color:var(--line);background:rgba(250,250,247,.97)}
  .mobile-cta a:first-child{background:var(--accent);color:#fff;font-weight:600}
  .mobile-cta a:last-child{border:0;background:transparent;color:var(--ink);font-weight:400}
}

/* Same four case disclosures: restrained feedback, with a reduced-motion exit. */
.keep-together{white-space:nowrap}
.content-compact .case-overview>.case-head h3{font-weight:600}
.content-compact .case-full>summary{font-weight:500}
.content-compact #wpc .case-preview img{object-fit:cover;object-position:50% 8%}
.content-compact .case-full>summary .expand-mark{transition:transform 180ms var(--ease-out)}
.content-compact .case-full[open]>.disclosure-content{animation:case-detail-enter 200ms var(--ease-out) both}
@keyframes case-detail-enter{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@media(prefers-reduced-motion:reduce){
  .content-compact .case-full>summary .expand-mark{transition:none}
  .content-compact .case-full[open]>.disclosure-content{animation:none}
}

/* The disclosure owns the case motion; inner evidence also stays readable without JS. */
.content-compact .case-overview .reveal{opacity:1;transform:none;transition:none}
.content-compact .case-overview :is(.cpl-card.reveal .cpl-bar,.market-v2.reveal .market-bar i,.stage-block.reveal .stage-bar i){transform:none}

/* November 1: visible case value; only supplemental detail is a disclosure. */
.content-compact .case-core{margin:0 0 20px}
.case-core-label{display:block;margin-bottom:5px;color:var(--muted);font-size:12px;font-weight:500}
.case-responsibility{margin:0 0 16px;font-size:14px;font-weight:400;line-height:1.75}
.content-compact .case-core-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 18px;border-block:1px solid var(--line);padding-block:14px}
.case-core-results>div{min-width:0}
.case-core-results>div:last-child:nth-child(odd){grid-column:1/-1}
.case-core-results strong{display:block;color:var(--ink);font:600 clamp(22px,2.2vw,28px)/1.25 var(--num);letter-spacing:-.025em;overflow-wrap:anywhere}
.case-core-results strong :is(b,small){font:inherit}
.case-core-results>div>span{display:block;margin-top:5px;color:#52605b;font-size:12px;line-height:1.6}
#dongpeng .case-core-results>div:first-child{grid-column:1/-1}
#dongpeng .case-core-results>div:last-child{grid-column:auto}
.case-core-note{display:flex;gap:5px 12px;flex-wrap:wrap;margin:10px 0 0;font-size:12px;line-height:1.6}
.case-core-note strong{color:var(--accent);font-weight:600}
.case-core-note span{color:#52605b}
.case-core .case-core-stage{margin-top:16px}
.case-core-stage .stage{grid-template-columns:minmax(0,1fr) minmax(40px,1fr) 62px;gap:8px}
.case-core-stage .stage strong{font-size:18px}
.content-compact .case-preview{max-width:640px;margin-inline:auto;overflow:hidden}
.content-compact .case-preview-open{max-height:none;overflow:visible}
.case-preview-canvas{display:block;position:relative;width:100%;aspect-ratio:1584/858;overflow:hidden;overflow:clip;background:var(--soft)}
.content-compact .case-preview .case-preview-canvas img{position:absolute;top:0;left:0;display:block;width:calc(100% * 1600 / 1584);max-width:none;height:auto;max-height:none;padding:0;object-fit:contain;object-position:top left}
.content-compact #wpc .case-preview .case-preview-canvas img{width:100%;height:100%;object-fit:cover;object-position:50% 8%}
.content-compact .case-overview:has(>.case-full[open])>.case-preview{display:block}
.case-full .build-timeline{grid-template-columns:repeat(4,minmax(0,1fr))}
/* Native in-page resume disclosure: aligned rows, no modal/backdrop layer. */
#resume .resume-links{display:grid;grid-template-columns:1fr;gap:0;margin:0 0 14px;border:1px solid #e0e3dd;border-radius:10px;background:#fff;overflow:hidden}
#resume .resume-links>a{display:flex;flex-direction:row;align-items:center;justify-content:space-between;gap:16px;min-height:76px;margin:0;padding:12px 14px;border:0;border-radius:0;background:#fff;color:#171916;text-align:left;opacity:1;box-shadow:none}
#resume .resume-links>a+a{border-top:1px solid #e0e3dd}
#resume .resume-version{display:block;min-width:0;color:#171916;text-decoration:none;white-space:normal}
#resume .resume-version strong{display:block;font-size:14px;font-weight:600;line-height:1.5}
#resume .resume-version small{display:block;margin-top:4px;color:#52605b;font-size:12px;font-weight:400;line-height:1.5}
#resume .resume-download{display:inline-flex;flex:0 0 auto;align-items:center;justify-content:center;min-width:86px;min-height:44px;border:1px solid #d6dcd3;border-radius:7px;padding:6px 10px;background:#f4f6f1;color:#243328;font-size:13px;text-decoration:none;white-space:nowrap}
#resume .resume-links>a:focus-visible{outline:2px solid var(--accent);outline-offset:-3px}
@media(max-width:600px){.case-full .build-timeline{grid-template-columns:repeat(2,minmax(0,1fr))}#resume .resume-links>a{gap:10px;padding:10px 12px}}

.content-compact .case-full .case-steps{grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr))}

.content-compact #resume>summary{color:#f2f2ef;font-weight:500}

/* Local case rhythm study: one open composition instead of four framed reports. */
.content-compact .cases-intro{margin-bottom:40px}
.content-compact .cases-intro h2{font-size:clamp(32px,3.1vw,46px);font-weight:500}
.content-compact .case-overview-grid{grid-template-columns:minmax(0,1fr);gap:0}
.content-compact .case-overview{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(0,1fr);grid-template-areas:"visual head" "visual core" "detail detail";column-gap:clamp(36px,5vw,72px);row-gap:0;align-items:start;padding:56px 0 44px;border:0;border-top:1px solid var(--line);background:transparent}
.content-compact .case-overview:first-child{border-top:0;padding-top:8px}
.content-compact .case-overview>.case-head{grid-area:head;margin:0;max-width:none}
.content-compact .case-overview>.case-head .case-index{margin:0 0 14px;font-weight:500;letter-spacing:.035em}
.content-compact .case-overview>.case-head h3{font-size:clamp(28px,2.5vw,36px);font-weight:500;line-height:1.3;letter-spacing:-.035em;margin:0 0 22px}
.content-compact .case-overview>.case-head .case-meta{border:0;gap:7px}
.content-compact .case-overview>.case-head .case-meta div{border:0;padding:0;grid-template-columns:48px minmax(0,1fr);gap:10px}
.content-compact .case-overview>.case-head .case-meta dt{font-size:11px;font-weight:400;line-height:1.75}
.content-compact .case-overview>.case-head .case-meta dd{font-size:12px;line-height:1.75}
.content-compact .case-overview>.case-core{grid-area:core;margin:24px 0 0;min-width:0}
.content-compact .case-overview .case-responsibility{font-size:14px;line-height:1.85;margin:0 0 22px}
.content-compact .case-overview .case-core-label{margin-bottom:6px;font-size:11px;font-weight:400}
.content-compact .case-overview .case-core-results{padding-block:18px 0;border-bottom:0;gap:18px 20px}
.content-compact .case-overview .case-core-results strong{font-size:28px;font-weight:500;line-height:1.2}
.content-compact .case-overview .case-core-results>div>span{margin-top:7px;font-size:12px;line-height:1.65}
.content-compact .case-overview .case-core-note{margin-top:16px;gap:5px 12px}
.content-compact .case-overview .case-core-note strong{font-weight:500}
.content-compact .case-overview .case-core-stage{margin-top:22px}
.content-compact .case-overview>.case-preview{grid-area:visual;align-self:start;width:100%;max-width:none;margin:0;border-radius:4px;background:var(--soft)}
.content-compact .case-overview>.case-full{grid-area:detail;min-width:0;margin:30px 0 0}
.content-compact .case-overview>.case-full>summary{min-height:56px;font-size:13px;padding-block:16px}
.content-compact .case-overview>.case-full[open]>.disclosure-content{padding-top:8px}
.content-compact .case-overview>.case-full .case-subnav{margin-inline:0;padding-inline:0;max-width:100%}
@media(min-width:1100px){
 .content-compact #case-arrow .case-core-results,.content-compact #wpc .case-core-results{grid-template-columns:repeat(3,minmax(0,1fr))}
 .content-compact #case-arrow .case-core-results>div:last-child,.content-compact #wpc .case-core-results>div:last-child{grid-column:auto}
}
@media(max-width:960px){
 .content-compact .cases-intro{margin-bottom:28px}
 .content-compact .case-overview{grid-template-columns:minmax(0,1fr);grid-template-areas:"head" "visual" "core" "detail";padding:40px 0 32px}
 .content-compact .case-overview:first-child{padding-top:4px}
 .content-compact .case-overview>.case-head h3{font-size:clamp(25px,3.8vw,32px);margin-bottom:18px}
 .content-compact .case-overview>.case-head .case-meta{gap:5px}
 .content-compact .case-overview>.case-preview{margin-top:24px}
 .content-compact .case-overview>.case-core{margin-top:24px}
 .content-compact .case-overview .case-responsibility{margin-bottom:18px}
 .content-compact .case-overview>.case-full{margin-top:24px}
}
@media(max-width:600px){
 .content-compact #case-arrow .case-core-results{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px 12px}
 .content-compact #case-arrow .case-core-results>div:last-child{grid-column:auto}
 .content-compact .case-overview .case-core-results strong{font-size:26px}
 .content-compact .case-overview>.case-head .case-index{font-size:10px;line-height:1.7}
}