/* ============================================================
   SMART APPLYING PAGE — 智能贴敷
   namespace: .sa-*
   ============================================================ */

/* ---------- HERO · 与板材视觉检测页 banner 风格一致：渐变底 + 居中标题 ---------- */
.sa-hero {
  position: relative;
  background: #FBFBFA;
  color: var(--ink);
  overflow: hidden;
  isolation: isolate;
  border-bottom: 1px solid var(--line);
  min-height: clamp(480px, 60vh, 600px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.sa-hero-bg {
  position: absolute; inset: 0; z-index: 0;
  opacity: 1;
}
.sa-hero-bg img {
  width: 100%; height: 100%; object-fit: cover;
  object-position: 78% 50%;
  filter: saturate(.96) contrast(1.03);
}
.sa-hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(
    90deg,
    rgba(251, 251, 250, 0.95) 0%,
    rgba(251, 251, 250, 0.93) 32%,
    rgba(251, 251, 250, 0.86) 48%,
    rgba(251, 251, 250, 0.70) 58%,
    rgba(251, 251, 250, 0.32) 67%,
    rgba(251, 251, 250, 0) 75%
  );
}
.sa-hero-tint {
  display: none;
}
.sa-hero-grid {
  position: absolute; inset: 0; z-index: 1;
  background-image:
    linear-gradient(rgba(22,80,168,.085) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22,80,168,.085) 1px, transparent 1px),
    linear-gradient(rgba(22,80,168,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22,80,168,.045) 1px, transparent 1px);
  background-size: 96px 96px, 96px 96px, 24px 24px, 24px 24px;
  mask-image: linear-gradient(180deg, black 30%, transparent 100%);
  -webkit-mask-image: linear-gradient(180deg, black 30%, transparent 100%);
  pointer-events: none;
}
/* Corner brackets */
.sa-hero::before, .sa-hero::after {
  content: "";
  position: absolute;
  width: 64px; height: 64px;
  border: 1.5px solid rgba(30,160,151,.55);
  z-index: 2;
  pointer-events: none;
}
.sa-hero::before {
  top: 96px; left: 36px;
  border-right: none; border-bottom: none;
}
.sa-hero::after {
  bottom: 36px; right: 36px;
  border-left: none; border-top: none;
  border-color: rgba(22,80,168,.45);
}
.sa-hero-glow {
  position: absolute; z-index: 1;
  left: 18%; top: 45%;
  width: 600px; height: 400px;
  background: radial-gradient(ellipse, rgba(255,255,255,0.5) 0%, transparent 70%);
  filter: none;
  pointer-events: none;
}
.sa-hero-glow.b {
  right: 0; bottom: 0; left: auto; top: auto;
  width: 40%; height: 60%;
  background: linear-gradient(135deg, transparent 0%, rgba(31,188,156,0.08) 100%);
}

.sa-hero-inner {
  position: relative; z-index: 5;
  width: 100%;
  max-width: 1480px;
  margin: 0 auto;
  align-self: center;
  padding: clamp(48px, 6vw, 72px) clamp(36px, 4vw, 72px) clamp(40px, 5vw, 60px);
}
.sa-breadcrumb {
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; color: var(--muted);
  font-family: var(--font-en); letter-spacing: .04em;
  margin-bottom: 20px;
}
.sa-breadcrumb a { color: var(--ink-2); transition: color .2s; }
.sa-breadcrumb a:hover { color: var(--blue); }
.sa-breadcrumb .sep { color: var(--line); }
.sa-breadcrumb .current { color: var(--blue); font-weight: 500; }

.sa-hero-eyebrow {
  display: inline-flex;
  font-family: var(--font-en);
  font-size: 12.5px; font-weight: 600;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--green-600, #117A72);
  margin-bottom: 16px;
  white-space: nowrap;
}
.sa-hero h1 {
  font-size: clamp(36px, 4.8vw, 60px);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0;
  white-space: nowrap;
  max-width: 1100px;
}
.sa-hero h1 .accent {
  color: var(--ink);
}
.sa-hero .sa-lede {
  font-size: 16px;
  color: #2A3A40;
  margin: 20px 0 0;
  max-width: none;
  line-height: 1.65;
  white-space: nowrap;
}
.sa-hero-col {
  max-width: 900px;
}
.sa-hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  margin: 58px 0 0;
  max-width: min(810px, 65vw);
  padding: 26px 30px;
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(255,255,255,0.85), rgba(255,255,255,0.65));
  border: 1px solid rgba(255,255,255,0.6);
  box-shadow: 0 8px 32px rgba(0,0,0,0.06);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
}
.sa-hero-stats > div {
  position: relative;
  padding: 0 18px;
}
.sa-hero-stats > div + div::before {
  content: ""; position: absolute; left: 0; top: 50%;
  transform: translateY(-50%);
  width: 1px; height: 40px;
  background: rgba(16,42,82,.12);
}
.sa-hero-stat-v {
  font-family: var(--font-en);
  font-size: clamp(26px, 2.6vw, 36px);
  font-weight: 600;
  line-height: 1;
  color: var(--ink);
  letter-spacing: -.01em;
}
.sa-hero-stat-v .u {
  font-size: .42em;
  font-weight: 600;
  margin-left: 3px;
  color: var(--blue);
}
.sa-hero-stat-k {
  margin-top: 10px;
  font-size: 13px;
  color: var(--muted);
  letter-spacing: .02em;
}

@media (max-width: 920px) {
  .sa-hero h1, .sa-hero .sa-lede, .sa-hero-eyebrow { white-space: normal; }
  .sa-hero h1 { font-size: clamp(30px, 6.4vw, 46px); }
}
@media (max-width: 720px) {
  .sa-hero-stats { grid-template-columns: repeat(2, 1fr); row-gap: 22px; }
  .sa-hero-stats > div:nth-child(3)::before { display: none; }
}

@media (max-width: 560px) {
  .sa-hero::before, .sa-hero::after { display: none; }
}

/* ---------- SECTION HEAD shared ---------- */
.sa-head {
  margin: 0 auto clamp(40px, 4vw, 64px);
  text-align: center;
  display: flex; flex-direction: column; align-items: center;
}
.sa-eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 12.5px; font-family: var(--font-en);
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--green-600, #117A72);
  margin-bottom: 18px;
}
.sa-eyebrow::before {
  content: ""; width: 28px; height: 1px; background: var(--green);
}
.sa-title {
  font-size: clamp(30px, 3.4vw, 50px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 18px;
  color: var(--ink);
  white-space: nowrap;
}
.sa-sub {
  font-size: clamp(15px, 1.1vw, 17px);
  color: var(--muted);
  line-height: 1.6;
  margin: 0;
  white-space: nowrap;
}
@media (max-width: 980px) {
  .sa-title { white-space: normal; }
  .sa-sub { white-space: normal; max-width: 640px; }
}

/* ---------- 行业痛点 ---------- */
.sa-pains {
  background: #FBFBF8;
  padding: clamp(80px, 9vw, 130px) 0;
  border-top: 1px solid var(--line);
}
.sa-pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.sa-pain {
  position: relative;
  background: white;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 32px 28px;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.sa-pain:hover {
  transform: translateY(-4px);
  border-color: rgba(224,122,95,.4);
  box-shadow: 0 14px 30px rgba(224,122,95,.10);
}
.sa-pain-no {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: .14em;
  color: #E07A5F;
  margin-bottom: 18px;
}
.sa-pain h3 {
  font-size: 22px; font-weight: 600;
  margin: 0 0 10px;
  color: var(--ink);
  letter-spacing: -0.005em;
}
.sa-pain p {
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.65;
  margin: 0;
}
.sa-pain .ic {
  position: absolute;
  top: 28px; right: 28px;
  width: 36px; height: 36px;
  border-radius: 10px;
  background: rgba(224,122,95,.10);
  color: #E07A5F;
  display: grid; place-items: center;
}
@media (max-width: 1100px) { .sa-pain-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; } }
@media (max-width: 640px)  { .sa-pain-grid { grid-template-columns: 1fr; } }

/* ---------- 解决方案 · 六个动作 ---------- */
.sa-solution {
  background: white;
  padding: clamp(80px, 9vw, 130px) 0;
  position: relative;
}
.sa-step-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.sa-step {
  position: relative;
  background: white;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px 28px 24px;
  transition: all .25s;
  display: flex; flex-direction: column;
  min-height: 220px;
}
.sa-step:hover {
  border-color: rgba(30,160,151,.5);
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(30,160,151,.10);
}
.sa-step-top {
  display: flex; justify-content: space-between; align-items: flex-start;
  margin-bottom: 18px;
}
.sa-step-ic {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: rgba(30,160,151,.10);
  color: var(--green);
  display: grid; place-items: center;
}
.sa-step.fill .sa-step-ic {
  background: var(--green);
  color: white;
}
.sa-step-no {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--muted);
}
.sa-step h3 {
  font-size: 20px; font-weight: 600;
  margin: 0 0 8px;
  color: var(--ink);
}
.sa-step p {
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.65;
  margin: 0 0 18px;
}
.sa-step-tag {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--green-600, #117A72);
}
@media (max-width: 980px) { .sa-step-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .sa-step-grid { grid-template-columns: 1fr; } }

/* ---------- 应用场景 ---------- */
.sa-scenes {
  background: #F4F7FC;
  padding: clamp(80px, 9vw, 130px) 0;
  position: relative;
  overflow: hidden;
}
.sa-scene-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.sa-scene {
  background: white;
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
  transition: transform .25s, box-shadow .25s, border-color .25s;
  display: flex; flex-direction: column;
}
.sa-scene:hover {
  transform: translateY(-4px);
  border-color: rgba(22,80,168,.35);
  box-shadow: 0 18px 40px rgba(15,30,60,.10);
}
.sa-scene-img {
  position: relative;
  aspect-ratio: 5 / 4;
  background: #F2F4F8;
  overflow: hidden;
}
.sa-scene-img img {
  width: 100%; height: 100%; object-fit: contain;
  padding: 20px;
  background: white;
}
/* Portrait scene shots stay fully visible (never cropped); a slightly tighter
   inset than the landscape renders keeps them from looking undersized. */
.sa-scene-img img.tall { padding: 16px; }
.sa-scene-body {
  padding: 22px 22px 26px;
}
.sa-scene-meta {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-en);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--blue);
  margin-bottom: 12px;
}
.sa-scene-meta .num { color: var(--muted); }
.sa-scene-meta .sep { color: rgba(15,30,60,.25); }
.sa-scene h3 {
  font-size: 19px; font-weight: 600;
  margin: 0 0 10px;
  color: var(--ink);
  letter-spacing: -0.005em;
}
.sa-scene p {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.6;
  margin: 0;
}
@media (max-width: 1100px) { .sa-scene-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; } }
@media (max-width: 620px) { .sa-scene-grid { grid-template-columns: 1fr; } }

/* ---------- 价值收益 ---------- */
.sa-value {
  background: white;
  padding: clamp(80px, 9vw, 130px) 0;
  border-top: 1px solid var(--line);
}
.sa-value-grid {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 24px;
  align-items: stretch;
}
.sa-roi {
  position: relative;
  background: linear-gradient(160deg, #F0FAF7 0%, #FFFFFF 70%);
  border: 1px solid rgba(30,160,151,.25);
  border-radius: 22px;
  padding: 36px 36px 32px;
  overflow: hidden;
}
.sa-roi::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(30,160,151,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30,160,151,.06) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(80% 80% at 70% 30%, black 20%, transparent 80%);
  -webkit-mask-image: radial-gradient(80% 80% at 70% 30%, black 20%, transparent 80%);
  pointer-events: none;
}
.sa-roi > * { position: relative; }
.sa-roi-eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font-en);
  font-size: 12px; letter-spacing: .18em;
  color: var(--green-600, #117A72);
  margin-bottom: 16px;
}
.sa-roi-eyebrow::before {
  content: ""; width: 24px; height: 1px; background: var(--green);
}
.sa-roi h3 {
  font-size: 22px; font-weight: 600;
  margin: 0 0 12px;
  color: var(--ink);
}
.sa-roi p {
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.65;
  margin: 0 0 32px;
  max-width: 360px;
}
.sa-roi-lbl {
  font-family: var(--font-en);
  font-size: 11.5px; letter-spacing: .18em;
  color: var(--muted);
  margin-bottom: 6px;
}
.sa-roi-big {
  display: flex; align-items: baseline; gap: 8px;
  font-family: var(--font-en);
  color: var(--green-600, #0F5E58);
}
.sa-roi-big .num {
  font-size: clamp(64px, 8vw, 108px);
  font-weight: 700; line-height: 1;
  letter-spacing: -0.03em;
}
.sa-roi-big .unit {
  font-size: 22px; font-weight: 500;
  color: var(--ink);
}
.sa-roi-foot {
  margin-top: 22px;
  font-size: 13.5px;
  color: var(--muted);
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-en);
  letter-spacing: .04em;
}
.sa-roi-foot .plus { color: var(--green); font-weight: 600; }
.sa-roi-foot .slash { color: rgba(15,30,60,.25); }

.sa-kpis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 1fr);
  border: 1px solid var(--line);
  border-radius: 22px;
  overflow: hidden;
  background: white;
}
.sa-kpi {
  padding: 28px 28px 24px;
  border-right: 1px solid var(--line-2);
  border-bottom: 1px solid var(--line-2);
  display: flex; flex-direction: column;
}
.sa-kpi:nth-child(3n) { border-right: none; }
.sa-kpi:nth-child(n+4) { border-bottom: none; }
.sa-kpi .k {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 14px;
  letter-spacing: .02em;
}
.sa-kpi .v {
  font-family: var(--font-en);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--ink);
  display: flex; align-items: baseline; gap: 4px;
}
.sa-kpi.green .v { color: var(--green-600, #0F5E58); }
.sa-kpi.blue .v { color: var(--blue); }
.sa-kpi .v .u {
  font-size: 14px; font-weight: 500;
  color: var(--ink-2);
}
.sa-kpi .desc {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.55;
  margin-top: 14px;
}
.sa-value-note {
  margin-top: 28px;
  font-size: 12.5px;
  color: var(--muted);
  letter-spacing: .02em;
}
@media (max-width: 980px) {
  .sa-value-grid { grid-template-columns: 1fr; }
  .sa-kpis { grid-template-columns: repeat(2, 1fr); grid-template-rows: repeat(3, 1fr); }
  .sa-kpi:nth-child(3n) { border-right: 1px solid var(--line-2); }
  .sa-kpi:nth-child(2n) { border-right: none; }
  .sa-kpi:nth-child(n+4) { border-bottom: 1px solid var(--line-2); }
  .sa-kpi:nth-child(n+5) { border-bottom: none; }
}
@media (max-width: 560px) {
  .sa-kpis { grid-template-columns: 1fr; }
  .sa-kpi { border-right: none !important; border-bottom: 1px solid var(--line-2) !important; }
  .sa-kpi:last-child { border-bottom: none !important; }
}

/* ---------- 被行业头部反复选择 ---------- */
.sa-clients {
  background: linear-gradient(180deg, #FBFBF8 0%, white 100%);
  padding: clamp(80px, 9vw, 130px) 0;
  border-top: 1px solid var(--line);
}

.sa-case-wrap {
  max-width: 1000px;
  margin: 0 auto;
}
.sa-case-card {
  position: relative;
  background: white;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 32px;
  box-shadow: 0 6px 20px rgba(15,30,60,.05);
  transition: transform .25s, box-shadow .25s, border-color .25s;
  display: flex; flex-direction: row; align-items: stretch;
  gap: 36px;
  min-height: 360px;
}
.sa-case-body {
  flex: 1; min-width: 0;
  display: flex; flex-direction: column;
  padding: 6px 0 6px 6px;
}
.sa-case-media {
  flex: 0 0 40%;
  max-width: 400px;
  border-radius: 14px;
  overflow: hidden;
  background: var(--bg-tint, #F4F7FC);
}
.sa-case-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.sa-case-card:hover {
  transform: translateY(-4px);
  border-color: rgba(30,160,151,.4);
  box-shadow: 0 18px 40px rgba(15,30,60,.10);
}
.sa-case-meta {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-en);
  font-size: 11.5px; letter-spacing: .14em;
  color: var(--muted);
  margin-bottom: 20px;
}
.sa-case-meta .num { color: var(--green); font-weight: 600; }
.sa-case-meta .sep { color: rgba(15,30,60,.25); }
.sa-case-card h3 {
  font-size: 22px; font-weight: 600;
  letter-spacing: -0.005em;
  color: var(--ink);
  margin: 0 0 12px;
}
.sa-case-card p {
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.65;
  margin: 0 0 28px;
  flex: 1;
}
.sa-case-tags {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: 24px;
}
.sa-case-tag {
  display: inline-flex; align-items: center;
  padding: 5px 10px;
  font-size: 12px;
  color: var(--ink-2);
  background: #F4F7FC;
  border: 1px solid var(--line);
  border-radius: 6px;
  letter-spacing: .02em;
}
.sa-case-cta {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 500;
  color: var(--green-600, #117A72);
  letter-spacing: .02em;
}
.sa-case-cta svg { transition: transform .2s; }
.sa-case-card:hover .sa-case-cta svg { transform: translateX(3px); }

.sa-case-placeholder {
  position: absolute;
  inset: auto 32px 30px auto;
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: .14em;
  color: rgba(15,30,60,.3);
  padding: 4px 10px;
  border: 1px dashed var(--line);
  border-radius: 6px;
  text-transform: uppercase;
}

@media (max-width: 760px) {
  .sa-case-card { flex-direction: column; gap: 24px; }
  .sa-case-media { flex: none; max-width: none; height: 200px; order: -1; }
  .sa-case-body { padding: 0; }
}

/* EN pain-point headings are short by design — keep each on one line. */
html[lang="en"] .sa-pain-card h3 { white-space: nowrap; }