.page-contact {
  --contact-island-top: 104px;
  --contact-media-radius: 28px;
  display: block;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: var(--space-5) 0 var(--space-5);
  background:
    radial-gradient(110% 80% at 90% 4%, rgba(242, 106, 33, 0.16), transparent 58%),
    radial-gradient(90% 70% at 4% 100%, rgba(46, 139, 122, 0.14), transparent 62%),
    linear-gradient(180deg, var(--paper) 0%, rgba(220, 233, 241, 0.62) 100%);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

.page-contact .contact-hero__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.page-contact .contact-hero h1 {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(2rem, 6vw, 3.5rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--blue-deep);
  max-width: 20ch;
}

.page-contact .contact-hero .lead {
  margin: 0;
  max-width: 62ch;
  color: var(--graphite);
}

.page-contact .contact-hero__marks {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-top: var(--space-1);
}

/* ---------- 主体骨架 ---------- */
.page-contact .contact-layout {
  box-sizing: border-box;
  max-width: var(--content);
  margin: 0 auto;
  padding: var(--space-5) var(--space-3) var(--space-6);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-5);
}

.page-contact .contact-main {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.page-contact .contact-section {
  min-width: 0;
  scroll-margin-top: 120px;
}

.page-contact .contact-section .section-heading {
  align-items: flex-start;
}

.page-contact .contact-section .section-heading__body h2 {
  font-family: var(--font-heading);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--blue-deep);
  margin: 0 0 var(--space-1);
}

.page-contact .contact-section .section-heading__body p {
  margin: 0;
  max-width: 58ch;
  color: var(--graphite);
}

/* ---------- 合作方向卡 ---------- */
.page-contact .direction-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.page-contact .direction-card {
  background: var(--white);
  border: 1px solid rgba(11, 59, 92, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-3) var(--space-3) var(--space-3);
  box-shadow: var(--shadow-card);
  transition: transform 180ms var(--ease), border-color 180ms var(--ease), box-shadow 180ms var(--ease);
}

.page-contact .direction-card:hover,
.page-contact .direction-card[open] {
  transform: translateY(-4px);
  border-color: var(--orange);
  box-shadow: var(--shadow-soft);
}

.page-contact .direction-card summary {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  list-style: none;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  line-height: 1.4;
  color: var(--blue-deep);
}

.page-contact .direction-card summary::-webkit-details-marker {
  display: none;
}

.page-contact .direction-card__icon {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: var(--orange-peach);
  color: var(--orange);
}

.page-contact .direction-card__body {
  padding: var(--space-2) 0 0 60px;
  color: var(--graphite);
}

.page-contact .direction-card__body p {
  margin: 0;
}

/* ---------- 配图 ---------- */
.page-contact .contact-media {
  margin: var(--space-4) 0 0;
  border-radius: var(--contact-media-radius);
  overflow: hidden;
  background: linear-gradient(140deg, rgba(220, 233, 241, 0.9), rgba(255, 217, 194, 0.6));
  border: 1px solid rgba(230, 195, 119, 0.45);
}

.page-contact .contact-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .contact-media--narrow {
  max-width: 720px;
}

/* ---------- 流程 ---------- */
.page-contact .flow-list {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
}

.page-contact .flow-step {
  position: relative;
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: var(--space-3);
  padding-bottom: var(--space-4);
}

.page-contact .flow-step::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 46px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--green-celadon), rgba(46, 139, 122, 0.12));
}

.page-contact .flow-step:last-child {
  padding-bottom: 0;
}

.page-contact .flow-step:last-child::before {
  display: none;
}

.page-contact .flow-step__num {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 32px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--orange);
  padding-top: 4px;
}

.page-contact .flow-step__body h3 {
  margin: 0 0 var(--space-1);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--blue-deep);
}

.page-contact .flow-step__body p {
  margin: 0 0 var(--space-2);
  color: var(--graphite);
}

.page-contact .flow-step__body .tag {
  display: inline-block;
}

/* ---------- 准备清单 ---------- */
.page-contact .prepare-list {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-2);
}

.page-contact .prepare-item {
  background: var(--white);
  border-left: 4px solid var(--green-celadon);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  box-shadow: var(--shadow-card);
}

.page-contact .prepare-item h3 {
  margin: 0 0 var(--space-1);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--blue-deep);
}

.page-contact .prepare-item p {
  margin: 0;
  color: var(--graphite);
}

/* ---------- 联系渠道 ---------- */
.page-contact .channel-grid {
  margin-top: var(--space-4);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
}

.page-contact .channel-card {
  background: var(--white);
  border: 1px solid rgba(11, 59, 92, 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-card);
}

.page-contact .channel-card__label {
  margin: 0 0 var(--space-1);
  font-size: 13px;
  line-height: 20px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--green-celadon);
  text-transform: uppercase;
}

.page-contact .channel-card__value {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.0625rem;
  line-height: 1.5;
  color: var(--blue-deep);
  word-break: break-word;
}

.page-contact .channel-card__note {
  margin: 0;
  color: var(--graphite);
  font-size: 0.9375rem;
}

.page-contact .reach-note {
  margin: var(--space-4) 0 0;
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: var(--orange-peach);
  color: var(--blue-ink);
  font-weight: 500;
}

/* ---------- 覆盖范围 ---------- */
.page-contact .range-bar {
  margin-top: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: linear-gradient(100deg, rgba(220, 233, 241, 0.95) 0%, rgba(255, 217, 194, 0.8) 58%, rgba(230, 195, 119, 0.55) 100%);
}

.page-contact .range-marks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
}

.page-contact .range-mark {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(11, 59, 92, 0.1);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.page-contact .range-mark strong {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.125rem;
  color: var(--blue-deep);
}

.page-contact .range-mark span {
  color: var(--graphite);
  font-size: 0.9375rem;
}

.page-contact .range-mark--key {
  background: linear-gradient(150deg, var(--blue-deep), var(--blue-ink));
  border-color: rgba(230, 195, 119, 0.5);
}

.page-contact .range-mark--key strong {
  color: var(--gold);
}

.page-contact .range-mark--key span {
  color: rgba(247, 244, 238, 0.86);
}

.page-contact .range-foot {
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--line);
  color: var(--graphite);
}

.page-contact .range-foot p {
  margin: 0;
  max-width: 64ch;
}

.page-contact .range-foot a {
  color: var(--orange);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 106, 33, 0.4);
}

.page-contact .range-foot a:hover {
  border-bottom-color: var(--orange);
}

/* ---------- 联系浮岛 ---------- */
.page-contact .contact-island {
  background: linear-gradient(165deg, var(--blue-deep) 0%, var(--blue-ink) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  color: var(--paper);
  box-shadow: var(--shadow-soft);
}

.page-contact .contact-island__eyebrow {
  margin: 0 0 var(--space-1);
  font-size: 13px;
  line-height: 20px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-contact .contact-island h2 {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .island-list {
  list-style: none;
  margin: 0 0 var(--space-3);
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.page-contact .island-list li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-bottom: var(--space-2);
  border-bottom: 1px solid rgba(230, 195, 119, 0.24);
}

.page-contact .island-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-contact .island-list__label {
  font-size: 12px;
  line-height: 18px;
  letter-spacing: 0.08em;
  color: rgba(230, 195, 119, 0.92);
}

.page-contact .island-list__value {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .island-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.page-contact .island-actions .button {
  text-align: center;
}

.page-contact .island-note {
  margin: var(--space-3) 0 0;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: rgba(247, 244, 238, 0.72);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-hero {
    padding: var(--space-6) 0 var(--space-5);
  }

  .page-contact .contact-layout {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }

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

  .page-contact .prepare-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-contact .range-marks {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 1.75fr) minmax(300px, 1fr);
    align-items: start;
    gap: var(--space-6);
    padding-left: var(--space-5);
    padding-right: var(--space-5);
  }

  .page-contact .contact-island {
    position: sticky;
    top: var(--contact-island-top);
  }

  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .range-marks {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .contact-media--narrow {
    margin-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .direction-card {
    transition: none;
  }

  .page-contact .direction-card:hover,
  .page-contact .direction-card[open] {
    transform: none;
  }
}