/* OEM V4：所有设计规则限制到本页面，画布与前台使用同一文件。 */
.yumin-oem-v4 {
  --brand:#00928e; --brand-700:#007a74; --brand-900:#004f4b; --ink:#10383c;
  --ink-soft:#285156; --muted:#57767b; --line:#dce8e6; --mist:#f1f8f7;
  --ease:cubic-bezier(.22,.61,.36,1); --header-h:84px;
  width:100%; max-width:none !important; margin:0; color:var(--ink);
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px; line-height:1.6;
}
.yumin-oem-v4 *, .yumin-oem-v4 *::before, .yumin-oem-v4 *::after { box-sizing:border-box; }
.yumin-oem-v4 h1,.yumin-oem-v4 h2,.yumin-oem-v4 h3,.yumin-oem-v4 h4,.yumin-oem-v4 p,.yumin-oem-v4 figure { margin:0; }
.yumin-oem-v4 h1,.yumin-oem-v4 h2,.yumin-oem-v4 h3,.yumin-oem-v4 h4 { font-weight:700; line-height:1.15; }
.yumin-oem-v4 .o-container { width:min(1200px,calc(100% - 48px)); margin-inline:auto; }
.yumin-oem-v4 .o-button { display:inline-flex; align-items:center; justify-content:center; gap:16px; border-radius:999px; padding:15px 28px; font-size:15px; font-weight:600; text-decoration:none; transition:transform .35s,box-shadow .35s; }
.yumin-oem-v4 .o-button-white { color:#007a74; background:#fff; }
.yumin-oem-v4 .o-button:hover { transform:translateY(-2px); box-shadow:0 16px 32px #002d3738; }
.yumin-oem-v4 .arrow { width:24px; height:12px; transition:transform .35s; }
.yumin-oem-v4 .o-button:hover .arrow { transform:translateX(5px); }
.yumin-oem-v4 a:focus-visible, .yumin-oem-v4 summary:focus-visible { outline:3px solid #00928e; outline-offset:5px; }
/* =========================================================
   Com-Bridge — OEM / ODM page (v4 rebuild)
   Reuses tokens from style.css (#00928E · Proxima Nova)
   ========================================================= */

/* ---------- buttons for dark surfaces ---------- */
.yumin-oem-v4 .btn-white {background:#fff;color:var(--brand-700);}
.yumin-oem-v4 .btn-white:hover {background:#EAF7F5;color:var(--brand-900);box-shadow:0 16px 32px rgba(0,0,0,.22);}
.yumin-oem-v4 .btn-ghost-dark {
  background:transparent;
  color:#fff;
  border:1.5px solid rgba(255,255,255,.34);
}
.yumin-oem-v4 .btn-ghost-dark:hover {
  background:rgba(255,255,255,.08);
  border-color:rgba(255,255,255,.8);
  color:#fff;
  box-shadow:none;
}

/* =========================================================
   SCREEN 1 · HERO
   ========================================================= */
.yumin-oem-v4 .o-hero {
  position:relative;
  isolation:isolate;
  overflow:hidden;
  color:#fff;
  background:#007A74;
  min-height:calc(82svh - var(--header-h));
  display:flex;
  align-items:center;
  padding:132px 0 84px;
}
.yumin-oem-v4 .o-hero-bg {position:absolute;inset:0;z-index:-1;pointer-events:none;}
.yumin-oem-v4 .o-hero-photo {position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:60% center;}
.yumin-oem-v4 .o-hero-bg::after {
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(100deg,#00685F 0%,#008A84 28%,rgba(0,146,142,.9) 48%,rgba(0,146,142,.5) 64%,rgba(0,146,142,.14) 78%,rgba(0,146,142,0) 92%);
}
.yumin-oem-v4 .o-glow {position:absolute;border-radius:50%;filter:blur(8px);mix-blend-mode:screen;}
.yumin-oem-v4 .o-glow-1 {width:440px;height:440px;right:-110px;bottom:-180px;background:radial-gradient(circle,rgba(0,200,190,.32),rgba(0,200,190,0) 68%);}
.yumin-oem-v4 .o-glow-2 {width:320px;height:320px;left:-120px;top:-130px;background:radial-gradient(circle,rgba(0,146,142,.34),rgba(0,146,142,0) 70%);}

.yumin-oem-v4 .o-hero-inner {
  position:relative;
  z-index:1;
}
.yumin-oem-v4 .o-hero-copy {max-width:760px;}

.yumin-oem-v4 .o-eyebrow {
  display:inline-block;
  font-size:.74rem;
  font-weight:700;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:#7FE3DC;
  margin-bottom:18px;
}
.yumin-oem-v4 .o-hero h1 {
  color:#fff;
  font-size:clamp(2.1rem,3.6vw,3.4rem);
  line-height:1.06;
  letter-spacing:-.035em;
}
.yumin-oem-v4 .o-hero-sub {
  margin-top:22px;
  max-width:520px;
  font-size:clamp(1.04rem,1.35vw,1.2rem);
  line-height:1.6;
  color:rgba(255,255,255,.8);
}

.yumin-oem-v4 .o-databar {
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:22px;
  margin-top:34px;
  padding:18px 22px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:16px;
  backdrop-filter:blur(8px);
}
.yumin-oem-v4 .o-db {display:flex;flex-direction:column;line-height:1.1;}
.yumin-oem-v4 .o-db strong {font-size:1.04rem;font-weight:800;letter-spacing:-.02em;color:#fff;}
.yumin-oem-v4 .o-db small {margin-top:4px;font-size:.68rem;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:rgba(255,255,255,.58);}
.yumin-oem-v4 .o-db-sep {width:1px;height:30px;background:rgba(255,255,255,.22);flex:none;}

.yumin-oem-v4 .o-hero-actions {display:flex;flex-wrap:wrap;gap:14px;margin-top:36px;}
.yumin-oem-v4 .o-hero-actions .btn {height:54px;}

/* =========================================================
   SCREEN 2 · COOPERATION MODELS + MATRIX
   ========================================================= */
.yumin-oem-v4 .o-models-sec {padding:88px 0 92px;background:#fff;}
.yumin-oem-v4 .o-sec-head {max-width:760px;margin-bottom:50px;}
.yumin-oem-v4 .o-sec-head h2 {
  margin-top:14px;
  font-size:clamp(1.85rem,3vw,2.6rem);
  letter-spacing:-.03em;
}
.yumin-oem-v4 .o-sec-lead {
  margin-top:16px;
  max-width:600px;
  color:var(--muted);
  font-size:.97rem;
  line-height:1.72;
}

.yumin-oem-v4 .o-models {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.yumin-oem-v4 .o-model {
  display:flex;
  flex-direction:column;
  padding:30px 28px 32px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s var(--ease);
}
.yumin-oem-v4 .o-model:hover {
  transform:translateY(-4px);
  border-color:rgba(0,146,142,.28);
  box-shadow:0 22px 46px rgba(2,48,46,.1);
}
.yumin-oem-v4 .o-model-ico {
  width:54px;height:54px;
  border-radius:14px;
  display:grid;place-items:center;
  background:var(--mist);
  color:var(--brand);
  margin-bottom:20px;
}
.yumin-oem-v4 .o-model-ico svg {width:26px;height:26px;filter:drop-shadow(0 3px 5px rgba(2,48,46,.16));}
.yumin-oem-v4 .o-model h3 {
  font-size:1.22rem;
  letter-spacing:-.02em;
  line-height:1.3;
}
.yumin-oem-v4 .o-model-desc {
  margin-top:12px;
  font-size:.9rem;
  line-height:1.68;
  color:var(--muted);
}

.yumin-oem-v4 .o-matrix {
  margin-top:30px;
  padding:26px 30px;
  background:var(--mist);
  border:1px solid var(--line);
  border-radius:20px;
}
.yumin-oem-v4 .o-matrix-row {
  display:grid;
  grid-template-columns:140px 1fr;
  gap:18px;
  align-items:center;
}
.yumin-oem-v4 .o-matrix-row + .o-matrix-row {
  margin-top:18px;
  padding-top:18px;
  border-top:1px solid var(--line);
}
.yumin-oem-v4 .o-matrix-label {
  font-size:.72rem;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--brand-700);
}
.yumin-oem-v4 .o-chips {display:flex;flex-wrap:wrap;gap:10px;}
.yumin-oem-v4 .o-chip {
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:9px 15px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  color:var(--ink);
  font-size:.84rem;
  font-weight:600;
  letter-spacing:-.01em;
  box-shadow:0 4px 12px rgba(2,48,46,.05);
}
.yumin-oem-v4 .o-chip svg {width:18px;height:18px;color:var(--brand);flex:none;}
.yumin-oem-v4 .o-chip-soft {
  background:rgba(0,146,142,.08);
  border-color:rgba(0,146,142,.2);
  color:var(--brand-700);
}

/* ---------- redesigned PRODUCT LINES grid ---------- */
.yumin-oem-v4 .o-matrix-kicker {
  font-size:.72rem;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--brand-700);
  margin-bottom:20px;
}
.yumin-oem-v4 .o-plines {
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:16px;
}
.yumin-oem-v4 .o-pline {
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  padding:24px 16px 26px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s var(--ease);
}
.yumin-oem-v4 .o-pline:hover {
  transform:translateY(-4px);
  border-color:rgba(0,146,142,.28);
  box-shadow:0 18px 38px rgba(2,48,46,.1);
}
.yumin-oem-v4 .o-pline-ico {
  width:62px;height:62px;
  border-radius:18px;
  display:grid;place-items:center;
  background:var(--mist);
  color:var(--brand);
  margin-bottom:14px;
  filter:drop-shadow(0 3px 5px rgba(2,48,46,.14));
}
.yumin-oem-v4 .o-pline-ico svg {width:34px;height:34px;}
.yumin-oem-v4 .o-pline h4 {
  font-size:.98rem;
  letter-spacing:-.01em;
  line-height:1.3;
}
.yumin-oem-v4 .o-pline p {
  margin-top:8px;
  font-size:.78rem;
  line-height:1.55;
  color:var(--muted);
}
.yumin-oem-v4 .o-cust {
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:16px;
  margin-top:26px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.yumin-oem-v4 .o-cust .o-chips {flex:1;}

/* =========================================================
   SCREEN 3 · PROJECT SUPPORT & DELIVERY
   ========================================================= */
.yumin-oem-v4 .o-adv-sec {padding:84px 0 92px;background:#F6FAF9;border-top:1px solid var(--line);}
.yumin-oem-v4 .o-adv-grid {
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:20px;
}
.yumin-oem-v4 .o-adv {
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  padding:28px 24px 30px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s var(--ease);
}
.yumin-oem-v4 .o-adv:hover {
  transform:translateY(-4px);
  border-color:rgba(0,146,142,.28);
  box-shadow:0 20px 42px rgba(2,48,46,.1);
}
.yumin-oem-v4 .o-adv-num {
  font-size:1.5rem;
  font-weight:800;
  letter-spacing:-.03em;
  line-height:1;
  color:var(--brand);
}
.yumin-oem-v4 .o-adv-t {
  margin-top:14px;
  font-size:.92rem;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--ink);
}
.yumin-oem-v4 .o-adv-d {
  margin-top:8px;
  font-size:.82rem;
  line-height:1.6;
  color:var(--muted);
}

/* =========================================================
   SCREEN 4 · PARTNERSHIP PROCESS — 5 STAGE STEPPER
   ========================================================= */
.yumin-oem-v4 .o-flow-sec {padding:88px 0 92px;background:#fff;}
.yumin-oem-v4 .o-flow {
  position:relative;
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:24px;
  margin:0;
  padding:0;
  list-style:none;
}
.yumin-oem-v4 .o-flow::before {
  content:"";
  position:absolute;
  top:30px;
  left:9%;
  right:9%;
  height:2px;
  background:linear-gradient(90deg,var(--brand) 0%,rgba(0,146,142,.35) 100%);
  z-index:0;
}
.yumin-oem-v4 .o-stage {
  position:relative;
  z-index:1;
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
}
.yumin-oem-v4 .o-stage-no {
  width:60px;height:60px;
  border-radius:50%;
  background:#fff;
  border:2px solid var(--brand);
  color:var(--brand);
  display:grid;place-items:center;
  font-size:1.15rem;
  font-weight:800;
  letter-spacing:-.02em;
  box-shadow:0 8px 18px rgba(0,146,142,.16);
  transition:background .35s var(--ease),color .35s var(--ease),transform .35s var(--ease);
}
.yumin-oem-v4 .o-stage:hover .o-stage-no {
  background:var(--brand);
  color:#fff;
  transform:translateY(-3px);
}
.yumin-oem-v4 .o-stage:nth-child(even) .o-stage-no {
  border-style:dashed;
  border-color:rgba(0,146,142,.5);
}
.yumin-oem-v4 .o-stage-body {margin-top:18px;}
.yumin-oem-v4 .o-stage-body h3 {
  font-size:1.06rem;
  letter-spacing:-.015em;
  line-height:1.3;
}
.yumin-oem-v4 .o-stage-body p {
  margin-top:9px;
  font-size:.85rem;
  line-height:1.62;
  color:var(--muted);
}

/* =========================================================
   SCREEN 5 · COMPLIANCE & QUALITY
   ========================================================= */
.yumin-oem-v4 .o-cert-sec {padding:88px 0 92px;background:#F6FAF9;border-top:1px solid var(--line);}
.yumin-oem-v4 .o-cert-grid {
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
.yumin-oem-v4 .o-cert-left h2 {
  margin-top:14px;
  font-size:clamp(1.85rem,3vw,2.5rem);
  letter-spacing:-.03em;
  line-height:1.12;
}
.yumin-oem-v4 .o-cert-table {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:14px;
  margin-top:30px;
}
.yumin-oem-v4 .o-cert {
  margin:0;
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  overflow:hidden;
  aspect-ratio:3/4;
  display:grid;
  place-items:center;
  padding:8px;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease);
}
.yumin-oem-v4 .o-cert:hover {transform:translateY(-3px);box-shadow:0 16px 32px rgba(2,48,46,.12);}
.yumin-oem-v4 .o-cert img {width:100%;height:100%;object-fit:contain;}
.yumin-oem-v4 .o-cert-lead {
  font-size:.74rem;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--brand-700);
  margin-bottom:14px;
}
.yumin-oem-v4 .o-cert-text {
  font-size:.97rem;
  line-height:1.74;
  color:var(--muted);
}
.yumin-oem-v4 .o-cert-quote {
  margin:24px 0 0;
  padding:18px 22px;
  border-left:3px solid var(--brand);
  background:rgba(0,146,142,.06);
  border-radius:0 12px 12px 0;
  font-size:1.02rem;
  font-style:italic;
  line-height:1.6;
  color:var(--ink-soft);
}

/* =========================================================
   SCREEN 6 · CASES
   ========================================================= */
.yumin-oem-v4 .o-case-sec {padding:88px 0 92px;background:#fff;}
.yumin-oem-v4 .o-case-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.yumin-oem-v4 .o-case {
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  overflow:hidden;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease),border-color .45s var(--ease);
}
.yumin-oem-v4 .o-case:hover {
  transform:translateY(-4px);
  border-color:rgba(0,146,142,.26);
  box-shadow:0 22px 46px rgba(2,48,46,.1);
}
.yumin-oem-v4 .o-case-media {
  position:relative;
  aspect-ratio:3/2;
  overflow:hidden;
  background:#E7EFEE;
}
.yumin-oem-v4 .o-case-media img {
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .85s var(--ease);
}
.yumin-oem-v4 .o-case:hover .o-case-media img {transform:scale(1.05);}
.yumin-oem-v4 .o-case-tag {
  position:absolute;
  left:16px;top:16px;
  padding:6px 11px;
  border-radius:999px;
  background:rgba(255,255,255,.94);
  color:var(--brand-700);
  font-size:.63rem;
  font-weight:700;
  letter-spacing:.1em;
  text-transform:uppercase;
  box-shadow:0 6px 16px rgba(0,40,40,.12);
}
.yumin-oem-v4 .o-case-body {
  display:flex;
  flex-direction:column;
  flex:1;
  padding:24px 26px 26px;
}
.yumin-oem-v4 .o-case-body h3 {
  font-size:1.12rem;
  letter-spacing:-.02em;
  line-height:1.36;
}
.yumin-oem-v4 .o-case-body > p {
  margin-top:12px;
  font-size:.88rem;
  line-height:1.7;
  color:var(--muted);
}
.yumin-oem-v4 .o-case-metrics {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px 18px;
  margin:18px 0 0;
  padding:16px 0 0;
  border-top:1px solid var(--line);
  list-style:none;
}
.yumin-oem-v4 .o-case-metrics li {
  font-size:.79rem;
  font-weight:600;
  color:var(--ink);
  line-height:1.4;
}
.yumin-oem-v4 .o-case-metrics strong {
  display:block;
  margin-bottom:3px;
  font-size:.6rem;
  font-weight:700;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:rgba(0,0,0,.36);
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width:1120px){
  .yumin-oem-v4 .o-adv-grid {grid-template-columns:repeat(3,1fr);}
}

@media (max-width:1024px){
  .yumin-oem-v4 .o-hero {padding-top:118px;padding-bottom:54px;}
  .yumin-oem-v4 .o-models {grid-template-columns:1fr 1fr;}
  .yumin-oem-v4 .o-plines {grid-template-columns:repeat(3,1fr);}
  .yumin-oem-v4 .o-cert-grid {grid-template-columns:1fr;gap:38px;}
}

@media (max-width:860px){
  .yumin-oem-v4 .o-models-sec {padding:70px 0 74px;}
  .yumin-oem-v4 .o-adv-sec, .yumin-oem-v4 .o-flow-sec, .yumin-oem-v4 .o-cert-sec, .yumin-oem-v4 .o-case-sec {padding:70px 0 74px;}
  .yumin-oem-v4 .o-sec-head {margin-bottom:40px;}

  /* flow becomes vertical timeline */
  .yumin-oem-v4 .o-flow {grid-template-columns:1fr;gap:0;}
  .yumin-oem-v4 .o-flow::before {
    top:30px;bottom:30px;left:29px;right:auto;
    width:2px;height:auto;
    background:linear-gradient(180deg,var(--brand) 0%,rgba(0,146,142,.35) 100%);
  }
  .yumin-oem-v4 .o-stage {
    flex-direction:row;
    align-items:flex-start;
    text-align:left;
    gap:20px;
    padding-bottom:28px;
  }
  .yumin-oem-v4 .o-stage:last-child {padding-bottom:0;}
  .yumin-oem-v4 .o-stage-body {margin-top:6px;}
  .yumin-oem-v4 .o-stage-no {width:60px;height:60px;flex:none;}
  .yumin-oem-v4 .o-stage-body p {margin-top:6px;max-width:520px;}

  .yumin-oem-v4 .o-case-grid {grid-template-columns:1fr;gap:18px;}
  .yumin-oem-v4 .o-case-media {aspect-ratio:16/9;}
}

@media (max-width:760px){
  .yumin-oem-v4 .o-hero {padding-top:104px;padding-bottom:46px;}
  .yumin-oem-v4 .o-hero-bg::after {background:linear-gradient(100deg,#00685F 0%,#008A84 52%,rgba(0,146,142,.95) 76%,rgba(0,146,142,.4) 90%,rgba(0,146,142,0) 100%);}
  .yumin-oem-v4 .o-hero h1 {font-size:clamp(1.95rem,6.4vw,2.5rem);line-height:1.1;}
  .yumin-oem-v4 .o-hero-sub {font-size:.96rem;margin-top:18px;}
  .yumin-oem-v4 .o-hero-actions {flex-direction:column;}
  .yumin-oem-v4 .o-hero-actions .btn {width:100%;}
  .yumin-oem-v4 .o-databar {gap:16px 18px;padding:16px 18px;}
  .yumin-oem-v4 .o-db-sep {display:none;}
  .yumin-oem-v4 .o-db {flex-direction:row;align-items:baseline;gap:6px;}
  .yumin-oem-v4 .o-db small {margin-top:0;}

  .yumin-oem-v4 .o-models {grid-template-columns:1fr;gap:16px;}
  .yumin-oem-v4 .o-matrix {padding:22px 20px;}
  .yumin-oem-v4 .o-plines {grid-template-columns:repeat(2,1fr);}
  .yumin-oem-v4 .o-cust {flex-direction:column;align-items:flex-start;}
  .yumin-oem-v4 .o-matrix-row {grid-template-columns:1fr;gap:12px;align-items:flex-start;}
  .yumin-oem-v4 .o-adv-grid {grid-template-columns:repeat(2,1fr);}
  .yumin-oem-v4 .o-cert-table {grid-template-columns:repeat(2,1fr);}
}

@media (max-width:480px){
  .yumin-oem-v4 .o-adv-grid {grid-template-columns:1fr;}
  .yumin-oem-v4 .o-case-body {padding:20px 20px 22px;}
  .yumin-oem-v4 .o-case-body h3 {font-size:1.05rem;}
}


/* 现有案例是产品实拍，完整呈现，避免裁掉产品结构。 */
.yumin-oem-v4 .o-case-media { margin:0; background:#E7EFEE; }
/* 新版案例采用铺满裁切；取消旧产品规格卡遗留的缩图留白。 */
.yumin-oem-v4 .o-case-media img { object-fit:cover; padding:0; }
.yumin-oem-v4 .o-pline { color:var(--ink); text-decoration:none; }
.yumin-oem-v4 .o-plines { grid-template-columns:repeat(6,minmax(0,1fr)); }
.yumin-oem-v4 .o-preserve-lines { white-space:pre-line; }
.yumin-oem-v4 .o-reference { margin-top:36px; padding:20px 24px; border:1px solid var(--line); border-radius:12px; }
.yumin-oem-v4 summary { cursor:pointer; color:var(--brand-700); font-weight:600; }
.yumin-oem-v4 .o-reference p { margin-top:18px; color:var(--muted); }
.yumin-oem-v4 #oem-inquiry { scroll-margin-top:90px; }
.editor-styles-wrapper .wp-block-yumin-oem-page { max-width:none; }

.editor-styles-wrapper .yumin-oem-v4 [data-yumin-editable="text"] { cursor:text; }
@media(max-width:760px) { .yumin-oem-v4 .o-plines { grid-template-columns:repeat(2,minmax(0,1fr)); } }
@media(prefers-reduced-motion:reduce) {
  .yumin-oem-v4 *, .yumin-oem-v4 *::before, .yumin-oem-v4 *::after { animation:none !important; transition:none !important; }
  .yumin-oem-v4 :is(.o-model,.o-pline,.o-adv,.o-case,.o-cert,.o-stage-no):hover { transform:none; }
}

.yumin-oem-v4 .o-stage-details { margin-top:14px; text-align:left; font-size:13px; }

/* 编辑按钮只控制编辑器交互，不改变内容画布的尺寸和排版。 */
.yumin-oem-v4 .o-editor-media { position:absolute; z-index:3; right:16px; top:16px; border:1px solid #00928e; border-radius:6px; padding:8px 12px; background:#fff; color:#007a74; cursor:pointer; opacity:0; }
.yumin-oem-v4 .o-hero:hover > .o-editor-media,
.yumin-oem-v4 .o-case-media:hover > .o-editor-media,
.yumin-oem-v4 .o-editor-media:focus-visible { opacity:1; }

/* 普通 Page 模板默认把正文限制为 1200px；OEM 的全宽舞台必须先释放承载容器。 */
.yumin-main > .wp-block-post-content:has(> .yumin-oem-v4) {
  width:100%;
  max-width:none !important;
  margin-inline:0 !important;
}

/* 深色首屏用浅色眉题，白底区段使用深青色，保证小字号文字可读。 */
.yumin-oem-v4 section:not(.o-hero) .o-eyebrow { color:var(--brand-700); }
@media(max-width:1120px) { .yumin-oem-v4 .o-plines { grid-template-columns:repeat(3,minmax(0,1fr)); } }
@media(max-width:760px) { .yumin-oem-v4 .o-plines { grid-template-columns:repeat(2,minmax(0,1fr)); } }

/* 案例说明长短不同，指标仍在同一行对齐；不为缺失值制造占位业绩。 */
.yumin-oem-v4 .o-case-body:has(.o-case-metrics) > p { margin-bottom:18px; }
.yumin-oem-v4 .o-case-metrics { margin-top:auto; }
.yumin-oem-v4 .o-case-tag { z-index:1; max-width:calc(100% - 32px); overflow-wrap:anywhere; }
.yumin-oem-v4 .o-adv-num { overflow-wrap:anywhere; }