.page-custom {
  --custom-edge: 44px;
  --custom-cell-bg: var(--color-surface-alt);
}

/* ---------- 首屏 ---------- */
.page-custom .custom-hero {
  position: relative;
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding: calc(var(--space-8) + var(--space-4)) 0 0;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--custom-edge)), 0 100%);
}

.page-custom .custom-hero__inner {
  padding-bottom: calc(var(--space-8) + var(--custom-edge));
}

.page-custom .custom-hero__crumb {
  margin-bottom: var(--space-3);
  color: var(--color-contrast-ink);
}

.page-custom .custom-hero__crumb a {
  color: var(--color-contrast-accent);
}

.page-custom .custom-hero__crumb span {
  color: color-mix(in srgb, var(--color-contrast-ink) 72%, transparent);
}

.page-custom .custom-hero__eyebrow {
  color: color-mix(in srgb, var(--color-contrast-ink) 68%, transparent);
  margin-bottom: var(--space-2);
  display: block;
}

.page-custom .custom-hero__title {
  font-size: var(--text-display);
  line-height: 1.04;
  letter-spacing: var(--tracking-heading);
  font-weight: var(--weight-heading);
  margin: 0 0 var(--space-4);
  max-width: 16ch;
}

.page-custom .custom-hero__lede {
  max-width: var(--measure);
  color: color-mix(in srgb, var(--color-contrast-ink) 84%, transparent);
  margin: 0 0 var(--space-6);
}

/* 三段式错位 */
.page-custom .custom-tri {
  display: grid;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.page-custom .custom-tri__col {
  padding: var(--space-3);
  border-radius: var(--radius-md);
  color: var(--color-primary-ink);
  box-shadow: var(--shadow-1);
}

.page-custom .custom-tri__col--problem {
  background: var(--color-primary);
}

.page-custom .custom-tri__col--do {
  background: var(--color-accent);
}

.page-custom .custom-tri__col--result {
  background: var(--color-surface);
  color: var(--color-ink);
  box-shadow: var(--shadow-1);
}

.page-custom .custom-tri__label {
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  letter-spacing: 0.14em;
  margin: 0 0 var(--space-1);
  opacity: 0.82;
}

.page-custom .custom-tri__title {
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  margin: 0 0 var(--space-2);
}

.page-custom .custom-tri__text {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
}

/* 关键数字 */
.page-custom .custom-nums {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
  border-top: var(--border-thin) solid var(--color-contrast-line);
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
  padding: var(--space-3) 0;
}

.page-custom .custom-num {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding-right: var(--space-2);
  border-left: var(--border-thick) solid var(--color-primary);
  padding-left: var(--space-2);
}

.page-custom .custom-num:nth-child(2n) {
  border-left-color: var(--color-contrast-accent);
}

.page-custom .custom-num__value {
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  line-height: 1.1;
}

.page-custom .custom-num__label {
  font-size: var(--text-sm);
  line-height: 1.5;
  color: color-mix(in srgb, var(--color-contrast-ink) 70%, transparent);
}

/* ---------- 首屏图 ---------- */
.page-custom .custom-herofig {
  padding: var(--space-6) 0 0;
}

.page-custom .custom-figure {
  position: relative;
  overflow: hidden;
  border: var(--border-thick) solid var(--color-line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-2);
  background: var(--color-surface-deep);
}

.page-custom .custom-figure--wide {
  box-shadow: var(--shadow-2);
}

.page-custom .custom-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: 100%;
}

/* ---------- 方案区通用 ---------- */
.page-custom .custom-scheme {
  position: relative;
}

.page-custom .custom-scheme__head {
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  border-bottom: var(--border-thick) solid var(--color-line);
  padding-bottom: var(--space-3);
}

.page-custom .custom-scheme__index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 30px;
  background: var(--color-primary);
  color: var(--color-primary-ink);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  letter-spacing: 0.08em;
}

.page-custom .custom-scheme__title {
  font-size: var(--text-2xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  font-weight: var(--weight-heading);
  margin: 0;
}

.page-custom .custom-scheme__lede {
  max-width: var(--measure);
  color: var(--color-ink-soft);
  margin: 0;
}

.page-custom .custom-scheme__grid {
  display: grid;
  gap: var(--space-4);
  align-items: start;
}

.page-custom .custom-scheme__body {
  display: grid;
  gap: var(--space-3);
}

/* 难处 / 做法 / 结果 三栏 */
.page-custom .custom-pdr {
  display: grid;
  gap: var(--space-2);
}

.page-custom .custom-pdr__cell {
  background: var(--custom-cell-bg);
  border-radius: var(--radius-md);
  border-left: var(--border-thick) solid var(--color-primary);
  padding: var(--space-3);
}

.page-custom .custom-pdr__cell:nth-child(2) {
  border-left-color: var(--color-accent);
}

.page-custom .custom-pdr__cell:nth-child(3) {
  border-left-color: var(--color-ink-muted);
}

.page-custom .custom-pdr__label {
  margin: 0 0 var(--space-1);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
}

.page-custom .custom-pdr__text {
  margin: 0;
  color: var(--color-ink);
}

.page-custom .custom-fact {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  margin: 0;
  padding: var(--space-2) var(--space-3);
  background: var(--color-primary-soft);
  border-radius: var(--radius-md);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.page-custom .custom-scheme__more {
  margin: 0;
  font-size: var(--text-base);
}

.page-custom .custom-scheme__more a {
  color: var(--color-accent);
  font-weight: var(--weight-heading);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* 深色方案区 */
.page-custom .custom-scheme--dark {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - var(--custom-edge)));
  padding-bottom: calc(var(--section-y) + var(--custom-edge));
}

.page-custom .custom-scheme--dark .custom-scheme__head {
  border-bottom-color: var(--color-contrast-line);
}

.page-custom .custom-scheme--dark .custom-scheme__index {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.page-custom .custom-scheme--dark .custom-scheme__lede {
  color: color-mix(in srgb, var(--color-contrast-ink) 78%, transparent);
}

.page-custom .custom-scheme--dark .custom-pdr__cell {
  background: color-mix(in srgb, var(--color-contrast-ink) 8%, transparent);
  color: var(--color-contrast-ink);
}

.page-custom .custom-scheme--dark .custom-pdr__text {
  color: var(--color-contrast-ink);
}

.page-custom .custom-scheme--dark .custom-pdr__label {
  color: color-mix(in srgb, var(--color-contrast-ink) 62%, transparent);
}

.page-custom .custom-scheme--dark .custom-fact {
  background: color-mix(in srgb, var(--color-contrast-accent) 20%, transparent);
  color: var(--color-contrast-ink);
}

.page-custom .custom-scheme--dark .custom-scheme__more a {
  color: var(--color-contrast-accent);
}

.page-custom .custom-scheme--dark .custom-figure {
  border-color: var(--color-contrast-line);
}

/* ---------- 定制流程 ---------- */
.page-custom .custom-flow {
  background: var(--color-surface-alt);
}

.page-custom .custom-flow__inner {
  display: grid;
  gap: var(--space-4);
  align-items: start;
}

.page-custom .custom-flow__title {
  font-size: var(--text-xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  font-weight: var(--weight-heading);
  margin: var(--space-1) 0 var(--space-2);
}

.page-custom .custom-flow__text {
  max-width: 46ch;
  color: var(--color-ink-soft);
  margin: 0 0 var(--space-3);
}

.page-custom .custom-flow__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-1);
  counter-reset: none;
}

.page-custom .custom-flow__step {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface);
  border-left: var(--border-thick) solid var(--color-primary);
  border-radius: var(--radius-sm);
}

.page-custom .custom-flow__step:nth-child(2) {
  border-left-color: var(--color-accent);
}

.page-custom .custom-flow__step:nth-child(3) {
  border-left-color: var(--color-primary);
}

.page-custom .custom-flow__step:nth-child(4) {
  border-left-color: var(--color-accent);
}

.page-custom .custom-flow__step:nth-child(5) {
  border-left-color: var(--color-ink-muted);
}

.page-custom .custom-flow__no {
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  color: var(--color-ink-muted);
}

.page-custom .custom-flow__name {
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
}

.page-custom .custom-flow__note {
  margin: var(--space-4) 0 0;
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

.page-custom .custom-flow__note a {
  color: var(--color-accent);
  font-weight: var(--weight-heading);
}

/* ---------- 联系 ---------- */
.page-custom .custom-contact {
  background: var(--color-surface);
}

.page-custom .custom-contact__inner {
  display: grid;
  gap: var(--space-4);
  align-items: start;
}

.page-custom .custom-contact__title {
  font-size: var(--text-xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  font-weight: var(--weight-heading);
  margin: var(--space-1) 0 var(--space-2);
}

.page-custom .custom-contact__text {
  max-width: 46ch;
  color: var(--color-ink-soft);
  margin: 0;
}

.page-custom .custom-contact__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.page-custom .custom-contact__item {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-3);
  background: var(--color-surface-alt);
  border-top: var(--border-thick) solid var(--color-primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-1);
}

.page-custom .custom-contact__item:nth-child(2) {
  border-top-color: var(--color-accent);
}

.page-custom .custom-contact__item:nth-child(3) {
  border-top-color: var(--color-ink-muted);
}

.page-custom .custom-contact__key {
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
}

.page-custom .custom-contact__val {
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  word-break: break-word;
}

.page-custom .custom-contact__val--text {
  font-family: var(--font-body);
  font-size: var(--text-base);
}

.page-custom .custom-contact__note {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-soft);
}

.page-custom .custom-contact__cta {
  margin: var(--space-4) 0 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-custom .custom-nums {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-custom .custom-tri {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-custom .custom-tri__col--do {
    margin-top: var(--space-4);
  }

  .page-custom .custom-tri__col--result {
    margin-top: var(--space-8);
  }

  .page-custom .custom-pdr {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-custom .custom-pdr__cell:nth-child(2) {
    margin-top: var(--space-3);
  }

  .page-custom .custom-pdr__cell:nth-child(3) {
    margin-top: var(--space-6);
  }

  .page-custom .custom-flow__list {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: var(--space-2);
  }

  .page-custom .custom-flow__step {
    flex-direction: column;
    gap: var(--space-1);
    border-left: 0;
    border-top: var(--border-thick) solid var(--color-primary);
  }

  .page-custom .custom-flow__step:nth-child(2) {
    border-top-color: var(--color-accent);
  }

  .page-custom .custom-flow__step:nth-child(3) {
    border-top-color: var(--color-primary);
  }

  .page-custom .custom-flow__step:nth-child(4) {
    border-top-color: var(--color-accent);
  }

  .page-custom .custom-flow__step:nth-child(5) {
    border-top-color: var(--color-ink-muted);
  }
}

@media (min-width: 1000px) {
  .page-custom .custom-hero__title {
    max-width: 18ch;
  }

  .page-custom .custom-scheme__head {
    grid-template-columns: 72px minmax(0, 1fr);
    grid-template-areas:
      "idx title"
      "idx lede";
    column-gap: var(--space-3);
    row-gap: var(--space-2);
  }

  .page-custom .custom-scheme__index {
    grid-area: idx;
    margin-top: 6px;
  }

  .page-custom .custom-scheme__title {
    grid-area: title;
  }

  .page-custom .custom-scheme__lede {
    grid-area: lede;
  }

  .page-custom .custom-scheme__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: var(--space-6);
  }

  .page-custom .custom-scheme__grid--flip {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr);
  }

  .page-custom .custom-scheme__grid--flip .custom-scheme__body {
    order: 2;
  }

  .page-custom .custom-scheme__grid--flip .custom-figure {
    order: 1;
  }

  .page-custom .custom-scheme__grid .custom-figure {
    position: sticky;
    top: var(--space-6);
  }

  .page-custom .custom-flow__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr);
    gap: var(--space-6);
  }

  .page-custom .custom-contact__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
    gap: var(--space-6);
  }

  .page-custom .custom-contact__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-custom .custom-contact__item:nth-child(3) {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-custom * {
    transition: none !important;
    animation: none !important;
  }
}