/* 服务 / 方案 / 关于 三页 */

/* ---------- 页首 ---------- */
.phero{position:relative;min-height:64svh;display:flex;flex-direction:column;justify-content:flex-end;gap:22px;padding:120px var(--gutter) 56px;overflow:hidden}
.phero::before{content:"";position:absolute;inset:0;background:radial-gradient(50% 60% at 78% 38%,rgba(220,88,14,.18),transparent 70%);pointer-events:none}
.phero-orb{position:absolute;right:max(-2vw,-24px);top:18%;width:min(36vw,420px);opacity:.28;pointer-events:none}
.phero h1{position:relative;font-size:clamp(40px,6.4vw,112px);line-height:1.04;letter-spacing:-.025em;max-width:13em}
.phero-sub{position:relative;font-size:clamp(17px,1.5vw,21px);color:var(--muted-dark);max-width:30em}
.phero-meta{position:relative;display:flex;flex-wrap:wrap;gap:12px 40px;padding-top:28px;border-top:1px solid var(--line-dark);font-size:14px;color:var(--muted-dark)}
.phero-meta b{font-family:var(--display);font-weight:300;font-size:clamp(40px,4vw,64px);line-height:1;color:var(--on-dark);margin-right:8px;font-variant-numeric:tabular-nums;vertical-align:-.12em}
.phero-jump{position:relative;display:flex;flex-wrap:wrap;gap:10px}
.chip{display:inline-flex;align-items:center;height:40px;padding:0 18px;border-radius:999px;border:1px solid var(--line-dark);font-size:14px;transition:background-color .3s,color .3s,border-color .3s}
.chip small{margin-left:8px;font-size:13px;color:var(--muted-dark)}
a.chip:hover{background:var(--on-dark);color:var(--ink);border-color:var(--on-dark)}

/* 出场 */
[data-reveal]{opacity:0;transform:translateY(40px);transition:opacity 1s var(--ease),transform 1.1s var(--ease)}
[data-reveal].is-in{opacity:1;transform:none}

.block{padding:clamp(56px,7vw,96px) var(--gutter)}
.block-head{display:grid;gap:22px;max-width:900px;margin-bottom:clamp(48px,6vw,80px)}
.block-head h2{font-size:clamp(34px,4.6vw,72px);letter-spacing:-.02em}
.block-head p{color:var(--muted-dark);font-size:17px;max-width:32em}

/* ---------- 服务目录 ---------- */
.idx{border-top:1px solid var(--line-dark)}
.idx-row{border-bottom:1px solid var(--line-dark);scroll-margin-top:80px}
.idx-head{position:relative;width:100%;display:grid;grid-template-columns:64px minmax(0,1fr) minmax(0,.9fr) 64px 48px;align-items:center;gap:24px;padding:clamp(26px,3.4vw,44px) var(--gutter);text-align:left;isolation:isolate}
.idx-head::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--raised);opacity:0;transition:opacity .4s}
.idx-head:hover::before,.idx-row.is-open .idx-head::before{opacity:1}
.idx-no{font-size:13px;color:var(--muted-dark)}
.idx-name{font-family:var(--display);font-weight:500;font-size:clamp(30px,4.2vw,64px);line-height:1.05;letter-spacing:-.02em;transition:transform .6s var(--ease),color .4s}
.idx-head:hover .idx-name{transform:translateX(14px)}
.idx-row.is-open .idx-name{color:var(--orange-light)}
.idx-q{font-size:15px;color:var(--muted-dark)}
.idx-count{font-family:var(--display);font-weight:300;font-size:28px;color:var(--muted-dark);text-align:right;font-variant-numeric:tabular-nums}
.idx-plus{position:relative;justify-self:end;width:40px;height:40px;border-radius:50%;border:1px solid var(--line-dark);transition:transform .6s var(--ease),background-color .4s,border-color .4s}
.idx-plus::before,.idx-plus::after{content:"";position:absolute;left:50%;top:50%;width:14px;height:1.5px;margin:-.75px 0 0 -7px;background:var(--on-dark)}
.idx-plus::after{transform:rotate(90deg);transition:transform .5s var(--ease)}
.idx-row.is-open .idx-plus{transform:rotate(180deg);background:var(--orange);border-color:transparent}
.idx-row.is-open .idx-plus::after{transform:rotate(0)}
.idx-body{display:grid;grid-template-rows:0fr;transition:grid-template-rows .8s var(--ease-io)}
.idx-row.is-open .idx-body{grid-template-rows:1fr}
.idx-inner{min-height:0;overflow:hidden}
.svc-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;margin:0 var(--gutter) 40px calc(var(--gutter) + 88px);background:var(--line-dark);border:1px solid var(--line-dark);border-radius:16px;overflow:hidden}
.svc-list li{display:grid;align-content:start;gap:6px;min-height:118px;padding:22px 22px 24px;background:var(--ground);opacity:0;transform:translateY(16px);transition:opacity .5s,transform .6s var(--ease),background-color .3s}
.idx-row.is-open .svc-list li{opacity:1;transform:none;transition-delay:calc(.15s + var(--i,0) * 45ms),calc(.15s + var(--i,0) * 45ms),0s}
.svc-list li:hover{background:var(--raised)}
.svc-list b{font-weight:500;font-size:17px;color:var(--on-dark)}
.svc-list span{font-size:14px;color:var(--muted-dark)}
.svc-list .badge{justify-self:start;margin-top:6px;padding:2px 10px;border-radius:999px;font-size:13px;color:var(--orange-light);border:1px solid rgba(232,120,54,.4)}
/* 每个方向展开后：上面是常见卡点，下面是交付物和适合谁 */
.svc-label{flex:none;font-size:13px;letter-spacing:.08em;color:var(--muted-dark)}
.svc-pain{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:baseline;gap:10px 28px;margin:0 var(--gutter) 22px calc(var(--gutter) + 88px)}
.svc-pain ul{display:flex;flex-wrap:wrap;gap:8px 28px}
.svc-pain li{position:relative;padding-left:16px;font-size:15px;color:var(--on-dark)}
.svc-pain li::before{content:"";position:absolute;left:0;top:.8em;width:7px;height:1px;background:var(--orange-light)}
.svc-get{display:grid;gap:14px;margin:-16px var(--gutter) 40px calc(var(--gutter) + 88px)}
.svc-get p{display:flex;flex-wrap:wrap;align-items:center;gap:8px 10px}
.get-chip{padding:6px 14px;border:1px solid rgba(232,120,54,.4);border-radius:999px;font-size:14px;color:var(--on-dark)}
.svc-fit{font-size:15px;color:var(--on-dark)}
.svc-fit .svc-label{margin-right:4px}
.courses{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:-16px var(--gutter) 40px calc(var(--gutter) + 88px);font-size:14px;color:var(--muted-dark)}
.courses strong{font-weight:500;color:var(--on-dark);margin-right:6px}

/* ---------- 诊断阶梯 ---------- */
.ladder-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));align-items:end;gap:16px;height:clamp(340px,42vw,520px);counter-reset:l}
.ladder-steps li{position:relative;height:var(--h);display:flex;flex-direction:column;justify-content:space-between;padding:24px;border-radius:18px 18px 0 0;background:linear-gradient(180deg,var(--raised),rgba(34,33,31,.4));border:1px solid var(--line-dark);border-bottom:0;transform-origin:bottom;transform:scaleY(.08);transition:transform 1.2s var(--ease-io),background-color .4s;transition-delay:calc(var(--i) * 120ms)}
.ladder-steps li:last-child{background:linear-gradient(180deg,var(--orange),var(--orange-deep));border-color:transparent}
.ladder-steps.is-in li{transform:none}
.ladder-steps li>*{opacity:0;transition:opacity .6s;transition-delay:calc(.7s + var(--i) * 120ms)}
.ladder-steps.is-in li>*{opacity:1}
.ladder-no{font-size:13px;color:var(--muted-dark)}
.ladder-steps li:last-child .ladder-no{color:rgba(255,253,247,.75)}
.ladder-steps b{display:block;font-family:var(--display);font-weight:500;font-size:clamp(20px,2vw,30px);line-height:1.2}
.ladder-steps em{display:block;margin-top:8px;font-style:normal;font-size:14px;color:var(--muted-dark)}
.ladder-steps li:last-child em{color:rgba(255,253,247,.85)}
.ladder-axis{display:flex;justify-content:space-between;margin-top:16px;font-size:13px;color:var(--muted-dark)}
.ladder-axis span:last-child::after{content:" →"}

/* ---------- FDE 进场方式 ---------- */
.fde{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(40px,6vw,96px);align-items:start}
.fde-pin{position:sticky;top:clamp(96px,16vh,160px);display:grid;gap:22px}
.fde-pin h2{font-size:clamp(34px,4.6vw,72px);letter-spacing:-.02em}
.fde-pin p{color:var(--muted-dark);max-width:24em}
.fde-list{display:grid}
.fde-list li{display:grid;grid-template-columns:56px minmax(0,1fr);gap:16px;padding:clamp(32px,5vh,52px) 0;border-top:1px solid var(--line-dark);color:var(--muted-dark);opacity:.35;transition:opacity .6s,color .6s}
.fde-list li:last-child{border-bottom:1px solid var(--line-dark)}
.fde-list li.is-lit{opacity:1;color:var(--on-dark)}
.fde-list span{font-size:13px;padding-top:.7em}
.fde-list li.is-lit span{color:var(--orange-light)}
.fde-list b{font-family:var(--display);font-weight:500;font-size:clamp(24px,2.6vw,40px);line-height:1.2}
.fde-list .chips{grid-column:2;display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.fde-list .chips i{font-style:normal;padding:4px 12px;border-radius:999px;border:1px solid var(--line-dark);font-size:13px}

/* ---------- 方案：内容工厂闭环 ---------- */
.sol{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(40px,6vw,96px);align-items:center;scroll-margin-top:40px}
.sol-copy{display:grid;gap:24px;align-content:start}
.sol-copy h2{font-size:clamp(34px,4.6vw,72px);letter-spacing:-.02em}
.sol-copy>p{color:var(--muted-dark);font-size:17px;max-width:28em}
.loop{position:relative;width:min(100%,560px);aspect-ratio:1;justify-self:center}
.loop svg{position:absolute;inset:0;width:100%;height:100%;transform:rotate(-90deg)}
.loop-ring{fill:none;stroke:var(--line-dark);stroke-width:.4}
.loop-ring-on{fill:none;stroke:var(--orange);stroke-width:.6;stroke-dasharray:264;stroke-linecap:round}
.loop-dot{position:absolute;width:14px;height:14px;margin:-7px 0 0 -7px;border-radius:50%;background:var(--orange-light);box-shadow:0 0 24px 6px rgba(232,120,54,.55);pointer-events:none}
.loop-node{position:absolute;transform:translate(-50%,-50%);display:grid;place-items:center;width:clamp(64px,8vw,92px);aspect-ratio:1;border-radius:50%;background:var(--ground);border:1px solid var(--line-dark);font-size:clamp(14px,1.2vw,17px);font-weight:500;color:var(--muted-dark);transition:background-color .5s,color .5s,border-color .5s,scale .5s var(--ease)}
.loop-node:hover{color:var(--on-dark);border-color:var(--on-dark)}
.loop-node.is-on{background:var(--orange);border-color:transparent;color:#fffdf7;scale:1.12}
.loop-center{position:absolute;inset:26%;display:grid;place-content:center;gap:10px;text-align:center}
.loop-center small{font-size:13px;letter-spacing:.14em;color:var(--muted-dark)}
.loop-center h3{font-size:clamp(30px,3.4vw,52px)}
.loop-center p{font-size:14px;color:var(--muted-dark);max-width:14em;margin:0 auto}
.loop-center.is-swap h3,.loop-center.is-swap p{animation:swap .7s var(--ease)}
@keyframes swap{from{opacity:0;transform:translateY(10px);filter:blur(6px)}to{opacity:1;transform:none;filter:none}}

.accept{margin-top:clamp(64px,8vw,112px)}
.accept-title{display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap;padding-bottom:18px;border-bottom:1px solid var(--line-dark);font-size:14px;color:var(--muted-dark)}
.accept-title strong{font-weight:500;font-size:17px;color:var(--on-dark)}
.accept-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr))}
.accept-grid li{display:grid;align-content:start;gap:10px;padding:32px 20px 8px 0}
.accept-grid li+li{padding-left:20px;border-left:1px solid var(--line-dark)}
.accept-grid small{font-size:13px;color:var(--muted-dark)}
.accept-grid strong{font-family:var(--display);font-weight:300;font-size:clamp(48px,5vw,84px);line-height:.9;font-variant-numeric:tabular-nums}
.accept-grid span{font-size:14px;color:var(--muted-dark)}
.proof-link{justify-self:start;display:inline-flex;align-items:center;gap:14px;padding:14px 22px 14px 14px;border-radius:999px;background:var(--raised);transition:background-color .3s}
.proof-link:hover{background:#2c2a27}
.proof-link img{width:44px;height:44px;border-radius:50%;object-fit:cover;object-position:top}
.proof-link b{font-family:var(--display);font-weight:500;font-size:22px;color:var(--orange-light)}
.proof-link span{font-size:14px;color:var(--muted-dark)}

/* ---------- 方案：网关前后对比 ---------- */
.cmp{border:1px solid var(--line-dark);border-radius:24px;overflow:hidden}
.cmp-bar{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px 24px;padding:14px clamp(20px,3vw,40px);border-bottom:1px solid var(--line-dark)}
.cmp-bar p{font-size:13px;letter-spacing:.14em;color:var(--muted-dark)}
.cmp-switch{display:inline-flex;padding:4px;border:1px solid var(--line-dark);border-radius:999px}
.cmp-switch button{height:40px;padding:0 20px;border-radius:999px;font-size:14px;color:var(--muted-dark);transition:background-color .3s,color .3s}
.cmp-switch button[aria-pressed="true"]{background:var(--on-dark);color:var(--ink)}
.cmp-switch button[data-side="after"][aria-pressed="true"]{background:var(--orange);color:#fffdf7}
.cmp-cols{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
.cmp-side{display:flex;flex-direction:column;gap:clamp(28px,4vw,56px);padding:clamp(24px,3vw,40px);transition:opacity .45s var(--ease)}
.cmp-before{background:var(--raised)}
.cmp-after{background:linear-gradient(135deg,var(--orange),var(--orange-deep));color:#fffdf7}
/* 宽屏两栏都在，切换键把另一栏压暗；手机一次只显示一栏 */
.cmp[data-side="before"] .cmp-after,.cmp[data-side="after"] .cmp-before{opacity:.42}
.cmp-tag{display:flex;justify-content:space-between;font-size:13px;letter-spacing:.14em}
.cmp-before .cmp-tag{color:var(--muted-dark)}
.cmp-metrics{display:grid;grid-template-columns:1fr;gap:18px}
.cmp-metrics strong{display:block;font-family:var(--display);font-weight:300;font-size:clamp(28px,4.2vw,68px);line-height:1;letter-spacing:-.03em;white-space:nowrap}
.cmp-metrics span{display:block;margin-top:12px;font-size:15px;opacity:.75}
.cmp-diff{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--line-dark)}
.cmp-diff li{display:grid;gap:6px;padding:18px clamp(20px,3vw,40px)}
.cmp-diff li+li{border-left:1px solid var(--line-dark)}
.cmp-diff small{font-size:13px;letter-spacing:.08em;color:var(--muted-dark)}
.cmp-diff b{font-weight:500;font-size:clamp(16px,1.4vw,19px);color:var(--orange-light)}
.nw{white-space:nowrap}
.cmp-note{margin-top:18px;font-size:13px;line-height:1.7;color:var(--muted-dark);max-width:60em}

.steps4{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;margin-top:clamp(56px,7vw,96px);padding-top:36px}
.steps4::before,.steps4::after{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--line-dark)}
.steps4::after{background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform 1.6s var(--ease-io)}
.steps4.is-in::after{transform:scaleX(1)}
.steps4 li{position:relative;display:grid;gap:8px}
.steps4 li::before{content:"";position:absolute;left:0;top:-41px;width:11px;height:11px;border-radius:50%;background:var(--ground);border:1px solid var(--muted-dark);transition:background-color .4s,border-color .4s;transition-delay:calc(var(--i) * 380ms)}
.steps4.is-in li::before{background:var(--orange);border-color:var(--orange)}
.steps4 small{font-size:13px;color:var(--muted-dark)}
.steps4 b{font-weight:500;font-size:18px}
.facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:48px}
.facts p{padding:24px;border-radius:16px;background:var(--raised);font-size:15px;color:var(--muted-dark)}
.facts b{display:block;margin-bottom:6px;font-weight:500;color:var(--on-dark)}

.aigc{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.aigc a{position:relative;display:grid;align-content:space-between;gap:48px;min-height:300px;padding:clamp(24px,3vw,40px);border-radius:24px;background:var(--raised);overflow:hidden;isolation:isolate}
.aigc a::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(500px circle at var(--mx,80%) var(--my,20%),rgba(220,88,14,.28),transparent 60%);opacity:.5;transition:opacity .4s}
.aigc a:hover::before{opacity:1}
.aigc h3{font-size:clamp(28px,3vw,44px)}
.aigc p{color:var(--muted-dark)}
.aigc .link-arrow{justify-self:start}

/* ---------- 关于：滚动点亮 ---------- */
.lit{position:relative;height:118vh}
.lit-inner{position:sticky;top:0;height:100svh;display:flex;flex-direction:column;justify-content:center;gap:32px;padding:0 var(--gutter)}
.lit h1{font-size:clamp(40px,7.2vw,128px);line-height:1.08;letter-spacing:-.03em;max-width:11em}
[data-scrolllit] .ch{opacity:.12;filter:none;transform:none;transition:opacity .4s,color .4s;transition-delay:0s}
[data-scrolllit] .ch.is-lit{opacity:1}
[data-scrolllit] .hl .ch.is-lit{color:var(--orange-light)}
.lit-hint{font-size:13px;color:var(--muted-dark)}

.mv{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.mv article{display:grid;gap:40px;align-content:space-between;min-height:320px;padding:clamp(28px,3.4vw,48px);border-radius:24px;background:var(--raised)}
.mv article:last-child{background:var(--paper);color:var(--ink)}
.mv article:last-child .eyebrow{color:var(--body-ink)}
.mv p{font-family:var(--display);font-weight:500;font-size:clamp(28px,3.2vw,50px);line-height:1.18;letter-spacing:-.01em}

.origin{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(32px,5vw,80px);align-items:end}
.origin-img{position:relative;aspect-ratio:4/3;overflow:hidden;border-radius:18px}
.origin-img img{width:100%;height:118%;object-fit:cover;will-change:transform}
.origin-copy{display:grid;gap:28px}
.origin-copy h2{font-size:clamp(30px,3.6vw,56px);letter-spacing:-.02em}
.origin-copy p{color:var(--muted-dark)}
.clock{display:flex;align-items:baseline;gap:14px;padding-top:24px;border-top:1px solid var(--line-dark)}
.clock small{font-size:13px;color:var(--muted-dark)}
.clock b{font-family:var(--display);font-weight:300;font-size:clamp(40px,4.4vw,72px);line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.clock i{width:8px;height:8px;border-radius:50%;background:var(--orange);animation:ping 2s infinite;align-self:center}

.words{border-top:1px solid var(--line-dark)}
.words a,.words div{display:flex;justify-content:space-between;align-items:baseline;gap:24px;padding:clamp(20px,3vw,36px) var(--gutter);border-bottom:1px solid var(--line-dark)}
.words b{font-family:var(--display);font-weight:500;font-size:clamp(40px,7.4vw,124px);line-height:1;letter-spacing:-.03em;color:transparent;-webkit-text-stroke:1px rgba(241,239,232,.45);transition:color .5s,-webkit-text-stroke-color .5s,transform .6s var(--ease)}
.words div:hover b,.words div.is-on b{color:var(--on-dark);-webkit-text-stroke-color:transparent;transform:translateX(16px)}
.words span{font-size:14px;color:var(--muted-dark)}

.field-page{padding:8px var(--gutter) 72px}
.field-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.field-grid figure{margin:0}
.field-grid img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:14px}
.field-grid img.is-note{object-fit:contain;background:#f4f1e8}
.field-grid figcaption{margin-top:8px;font-size:14px;color:var(--muted-dark)}
.gallery{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:16px;align-items:start}
.gallery figure{margin:0;display:grid;gap:12px}
.gallery figure:nth-child(1){grid-column:1/6}
.gallery figure:nth-child(2){grid-column:7/13;margin-top:18vh}
.gallery figure:nth-child(3){grid-column:2/8;margin-top:-6vh}
.gallery figure:nth-child(4){grid-column:9/13;margin-top:10vh}
.gallery .g-img{overflow:hidden;border-radius:18px}
.gallery img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;transition:transform 1.2s var(--ease)}
.gallery figure:nth-child(4) img{aspect-ratio:3/4}
.gallery figure:hover img{transform:scale(1.05)}
.gallery figcaption{font-size:13px;color:var(--muted-dark)}

.offices{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--line-dark)}
.offices li{display:grid;gap:14px;padding:36px 24px 36px 0}
.offices li+li{padding-left:24px;border-left:1px solid var(--line-dark)}
.offices b{font-family:var(--display);font-weight:500;font-size:clamp(26px,2.8vw,42px)}
.offices code{font-family:ui-monospace,"SF Mono",Menlo,monospace;font-size:13px;color:var(--muted-dark)}

.community{position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:32px;padding:clamp(32px,5vw,72px);border-radius:28px;background:var(--paper);color:var(--ink);overflow:hidden}
.community strong{display:block;font-family:var(--display);font-weight:300;font-size:clamp(88px,14vw,220px);line-height:.85;letter-spacing:-.04em;font-variant-numeric:tabular-nums}
.community strong small{font-size:max(18px,.16em);font-weight:400;letter-spacing:0;color:var(--muted-dark)}
.community p{margin-top:20px;font-size:18px;color:var(--body-ink)}
.community .btn-solid{color:#fffdf7}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;justify-content:center;gap:12px}

/* ---------- 窄屏 ---------- */
@media (max-width:900px){
  .phero{min-height:auto;padding:120px var(--gutter) 56px}
  .phero-orb{width:86vw;right:-18vw;top:70px;opacity:.55}
  .idx-head{grid-template-columns:32px minmax(0,1fr) 40px;gap:12px}
  .idx-q,.idx-count{display:none}
  .svc-list{grid-template-columns:1fr;margin:0 var(--gutter) 28px}
  .svc-list li{min-height:0}
  .courses{margin:-8px var(--gutter) 28px}
  .svc-pain{grid-template-columns:1fr;margin:0 var(--gutter) 18px}
  .svc-pain ul{flex-direction:column;gap:6px}
  .svc-get{margin:-8px var(--gutter) 28px}
  .ladder-steps{grid-template-columns:1fr;height:auto;align-items:stretch}
  .ladder-steps li{height:auto;min-height:0;border-radius:16px;border-bottom:1px solid var(--line-dark);margin-left:calc((3 - var(--i)) * 0px);width:calc(55% + var(--i) * 15%);transform:scaleX(.1);transform-origin:left}
  .ladder-axis{display:none}
  .fde,.sol,.origin{grid-template-columns:1fr}
  .fde-pin{position:static}
  .loop{width:100%}
  .accept-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .accept-grid li,.accept-grid li+li{padding:24px 12px 12px 0;border-left:0;border-top:1px solid var(--line-dark)}
  .cmp-cols,.cmp-diff{grid-template-columns:1fr}
  .cmp[data-side="before"] .cmp-after,.cmp[data-side="after"] .cmp-before{display:none}
  .cmp-diff li+li{border-left:0;border-top:1px solid var(--line-dark)}
  .steps4{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:32px}
  .steps4 li::before{display:none}
  .facts,.aigc,.mv,.offices{grid-template-columns:1fr}
  .offices li,.offices li+li{padding:28px 0;border-left:0;border-bottom:1px solid var(--line-dark)}
  .gallery,.field-grid{grid-template-columns:1fr}
  .gallery figure:nth-child(n){grid-column:auto;margin-top:0}
  .community{grid-template-columns:1fr}
  .lit{height:130vh}
}
@media (prefers-reduced-motion:reduce){
  [data-reveal]{opacity:1;transform:none}
  .ladder-steps li{transform:none}
  .ladder-steps li>*{opacity:1}
  [data-scrolllit] .ch{opacity:1}
}