/* ===== 业务与适配 页面专属样式（作用域 .page-products） ===== */

.page-products {
  --biz-pad: 20px;
  --biz-radius: 26px;
  color: var(--mist);
  padding: 0 var(--biz-pad);
}

.page-products img {
  max-width: 100%;
  height: auto;
}

.page-products [data-season="spring"] { --band-accent: var(--spring); }
.page-products [data-season="summer"] { --band-accent: var(--summer); }
.page-products [data-season="autumn"] { --band-accent: var(--autumn); }
.page-products [data-season="winter"] { --band-accent: var(--winter-lit); }

@media (min-width: 1080px) {
  .page-products {
    padding-left: calc(var(--rail-w) + 40px);
    padding-right: 40px;
  }
  .page-products > * {
    max-width: var(--shell);
    margin-left: auto;
    margin-right: auto;
  }
}

/* ===== 面包屑 ===== */
.page-products .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 78px 0 0;
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--muted);
}
.page-products .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  transition: color .3s var(--ease);
}
.page-products .breadcrumb a:hover { color: var(--summer); }

@media (min-width: 1080px) {
  .page-products .breadcrumb { padding-top: 56px; }
}

/* ===== 首屏 ===== */
.page-products .biz-hero {
  padding: clamp(34px, 6vw, 68px) 0 0;
  position: relative;
}
.page-products .biz-hero::after {
  content: "";
  display: block;
  height: 2px;
  margin-top: clamp(36px, 6vw, 60px);
  background: var(--grow);
  opacity: .55;
  border-radius: 2px;
}

.page-products .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-products h1.display {
  margin: 16px 0 0;
  font-size: clamp(34px, 7vw, 72px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--pure);
}

.page-products .biz-hero-sub {
  margin-top: 18px;
  font-size: clamp(17px, 2.3vw, 22px);
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: .01em;
  color: var(--spring);
  max-width: 30em;
}

.page-products .biz-hero .lead {
  margin-top: 22px;
  max-width: 36em;
  font-size: 17px;
  line-height: 1.85;
  letter-spacing: .01em;
  color: var(--mist);
}

.page-products .biz-jump {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-products .biz-jump li { display: flex; }
.page-products .biz-jump a {
  display: inline-flex;
  align-items: center;
  padding: 9px 17px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 14px;
  letter-spacing: .02em;
  color: var(--mist);
  text-decoration: none;
  background: var(--ink-2);
  transition: transform .3s var(--ease), border-color .3s var(--ease), color .3s var(--ease);
}
.page-products .biz-jump a:hover {
  transform: translateY(-2px);
  border-color: var(--summer);
  color: var(--pure);
}

/* ===== 四条业务线 ===== */
.page-products .biz-band {
  position: relative;
  padding: clamp(46px, 7vw, 88px) 0;
  border-top: 1px solid var(--line);
}
.page-products .biz-band::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 76px;
  height: 2px;
  border-radius: 2px;
  background: var(--band-accent, var(--summer));
}
.page-products .biz-band::after {
  content: "";
  position: absolute;
  top: clamp(30px, 6vw, 72px);
  right: -6%;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: var(--band-accent, var(--summer));
  opacity: .06;
  filter: blur(58px);
  pointer-events: none;
}

.page-products .band-head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: clamp(24px, 4vw, 40px);
}
.page-products .band-no {
  flex: none;
  margin-top: 6px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--band-accent, var(--summer));
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: .06em;
}
.page-products [data-season="winter"] .band-no { color: var(--snow); }

.page-products .section-title {
  margin: 0;
  font-size: clamp(23px, 3.6vw, 34px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--pure);
}

.page-products .band-kicker {
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .band-body {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-products .band-copy .prose {
  max-width: 34em;
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: .01em;
  color: var(--mist);
}
.page-products .band-copy .prose + .prose { margin-top: 16px; }
.page-products .band-copy .prose a {
  color: var(--band-accent, var(--summer));
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
  transition: opacity .3s var(--ease);
}
.page-products .band-copy .prose a:hover { opacity: .75; }

.page-products .band-points {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-products .band-points li {
  position: relative;
  padding: 15px 18px 15px 42px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
  transition: border-color .3s var(--ease);
}
.page-products .band-points li:hover { border-color: var(--band-accent, var(--summer)); }
.page-products .band-points li::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 23px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--band-accent, var(--summer));
}
.page-products .band-points strong {
  display: block;
  margin-bottom: 3px;
  font-size: 15px;
  font-weight: 700;
  color: var(--pure);
}

.page-products .band-media {
  margin: 0;
}
.page-products .band-media img {
  display: block;
  width: 100%;
  border-radius: var(--biz-radius);
  border: 1px solid var(--line);
  background: var(--ink-2);
}

/* 适配两档对照 */
.page-products .adapt-split {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}
.page-products .adapt-cell {
  padding: 18px 20px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--ink-2);
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}
.page-products .adapt-cell:hover { transform: translateY(-3px); }
.page-products .adapt-cell--ok { border-left: 3px solid var(--summer); }
.page-products .adapt-cell--alt { border-left: 3px solid var(--autumn); }
.page-products .adapt-tag {
  display: inline-block;
  margin-bottom: 9px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--summer);
}
.page-products .adapt-cell--alt .adapt-tag { color: var(--autumn); }
.page-products .adapt-cell p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* 数据卡 */
.page-products .stat-row {
  list-style: none;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
}
.page-products .stat {
  padding: 18px 20px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, rgba(255, 255, 255, .025), transparent);
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}
.page-products .stat:hover,
.page-products .stat:focus-within {
  transform: translateY(-3px);
  border-color: var(--band-accent, var(--summer));
}
.page-products .stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(28px, 4.6vw, 40px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--band-accent, var(--summer));
}
.page-products .stat-label {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--mist);
}
.page-products .stat-note {
  display: block;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-size: 12px;
  line-height: 1.65;
  color: var(--muted);
  opacity: .65;
  transition: opacity .3s var(--ease);
}
.page-products .stat:hover .stat-note,
.page-products .stat:focus-within .stat-note { opacity: 1; }

/* 三步切换 */
.page-products .step-row {
  list-style: none;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-products .step-row li {
  position: relative;
  padding: 20px 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--ink-2);
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}
.page-products .step-row li:hover {
  transform: translateY(-3px);
  border-color: var(--band-accent, var(--autumn));
}
.page-products .step-idx {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  margin-bottom: 12px;
  border-radius: 50%;
  background: var(--band-accent, var(--autumn));
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
}
.page-products .step-row strong {
  display: block;
  margin-bottom: 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--pure);
}
.page-products .step-txt {
  display: block;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

/* ===== 使用场景 ===== */
.page-products .biz-scenes {
  position: relative;
  padding: clamp(48px, 7vw, 92px) 0;
  border-top: 1px solid var(--line);
}
.page-products .biz-scenes::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 76px;
  height: 2px;
  border-radius: 2px;
  background: var(--grow);
}
.page-products .scene-list {
  display: grid;
  gap: 16px;
  margin-top: 32px;
}
.page-products .scene {
  padding: 26px 24px 28px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-top: 3px solid var(--band-accent, var(--summer));
  border-radius: var(--r-lg);
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}
.page-products .scene:hover { transform: translateY(-4px); }
.page-products .scene h3 {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--pure);
}
.page-products .scene p {
  font-size: 15px;
  line-height: 1.82;
  color: var(--mist);
}

/* ===== 节奏与支持 ===== */
.page-products .biz-support {
  position: relative;
  padding: clamp(48px, 7vw, 92px) 0 clamp(40px, 6vw, 64px);
  border-top: 1px solid var(--line);
}
.page-products .biz-support::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 76px;
  height: 2px;
  border-radius: 2px;
  background: var(--winter-lit);
}

.page-products .support-grid {
  display: grid;
  gap: 30px;
  margin-top: 34px;
}
.page-products .support-timeline {
  list-style: none;
  margin: 0;
  padding: 4px 0 4px 22px;
  border-left: 1px solid var(--line);
  display: grid;
  gap: 24px;
}
.page-products .support-timeline li { position: relative; }
.page-products .support-timeline li::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 7px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--winter-lit);
}
.page-products .support-timeline li:nth-child(1)::before { background: var(--spring); }
.page-products .support-timeline li:nth-child(2)::before { background: var(--summer); }
.page-products .support-timeline li:nth-child(3)::before { background: var(--autumn); }

.page-products .st-when {
  display: block;
  margin-bottom: 5px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--muted);
}
.page-products .st-what {
  display: block;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .support-copy .prose {
  max-width: 34em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}
.page-products .support-copy .prose + .prose { margin-top: 16px; }
.page-products .support-copy .prose a {
  color: var(--summer);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
  transition: opacity .3s var(--ease);
}
.page-products .support-copy .prose a:hover { opacity: .75; }

.page-products .support-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 26px;
}
.page-products .copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--ink-2);
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .04em;
  cursor: pointer;
  transition: border-color .3s var(--ease), color .3s var(--ease), transform .3s var(--ease);
}
.page-products .copy-btn:hover {
  transform: translateY(-2px);
  border-color: var(--autumn);
  color: var(--pure);
}
.page-products .copy-btn.is-copied { border-color: var(--spring); }
.page-products .copy-hint {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--spring);
}

/* ===== 收尾行动 ===== */
.page-products .biz-cta {
  position: relative;
  padding: clamp(46px, 7vw, 84px) 0 clamp(38px, 6vw, 64px);
  border-top: 1px solid var(--line);
}
.page-products .biz-cta::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 76px;
  height: 2px;
  border-radius: 2px;
  background: var(--grow);
}
.page-products .biz-cta .lead {
  margin-top: 20px;
  max-width: 38em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--mist);
}
.page-products .cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* ===== 页尾视觉 ===== */
.page-products .biz-foot-media {
  margin: 0 0 clamp(40px, 6vw, 72px);
}
.page-products .biz-foot-media img {
  display: block;
  width: 100%;
  border-radius: var(--biz-radius);
  opacity: .85;
}

/* ===== 平板及以上栅格 ===== */
@media (min-width: 560px) {
  .page-products .adapt-split { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 860px) {
  .page-products .scene-list {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    padding-bottom: 48px;
  }
  .page-products .scene:nth-child(2) { transform: translateY(24px); }
  .page-products .scene:nth-child(3) { transform: translateY(48px); }
  .page-products .scene:nth-child(2):hover,
  .page-products .scene:nth-child(3):hover { transform: translateY(20px); }
  .page-products .scene:nth-child(3):hover { transform: translateY(44px); }

  .page-products .step-row { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .page-products .step-row li:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 34px;
    right: -20px;
    width: 20px;
    height: 2px;
    border-radius: 2px;
    background: var(--grow);
  }
}

@media (min-width: 900px) {
  .page-products .band-body {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: clamp(32px, 4vw, 56px);
  }
  .page-products .biz-band--flip .band-body {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
  .page-products .biz-band--flip .band-media { order: 1; }
  .page-products .biz-band--flip .band-copy { order: 2; }

  .page-products .support-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(36px, 5vw, 64px);
    align-items: start;
  }
}
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