.page-contact {
  --pc-hair: rgba(14, 58, 76, .16);
  --pc-hair-strong: rgba(14, 58, 76, .34);
  --pc-card-shadow: 0 20px 44px -36px rgba(14, 58, 76, .85);
  background: var(--c-paper);
  color: var(--c-ink);
  font-family: var(--font-body);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: 26px 0 48px;
  background:
    radial-gradient(120% 100% at 90% 0%, rgba(228, 117, 60, .13), rgba(251, 247, 241, 0) 62%),
    linear-gradient(180deg, rgba(242, 223, 205, .74), rgba(251, 247, 241, 0) 84%);
}

.page-contact .contact-hero .breadcrumbs {
  margin-bottom: 30px;
}

.page-contact .hero-layout {
  max-width: 44em;
}

.page-contact .contact-title {
  margin: 12px 0 20px;
  font-family: var(--font-head);
  font-size: clamp(30px, 6.4vw, 58px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--c-deep);
}

.page-contact .contact-hero .lede {
  max-width: 40em;
  margin: 0;
  font-size: clamp(16px, 2.1vw, 19px);
  line-height: 1.8;
  color: var(--c-ink);
}

/* ---------- 区块通用节奏 ---------- */
.page-contact .channels-section,
.page-contact .compose-section,
.page-contact .reply-section,
.page-contact .topics-section,
.page-contact .gate-section {
  padding: 56px 0;
}

.page-contact .section-head {
  max-width: 44em;
  margin-bottom: 36px;
}

.page-contact .section-head .lede {
  margin: 14px 0 0;
  color: var(--c-slate);
  font-size: 16.5px;
  line-height: 1.8;
}

/* ---------- 联系卡片组 ---------- */
.page-contact .channels-section {
  background: var(--c-paper);
}

.page-contact .desk-layout {
  display: grid;
  gap: 34px;
}

.page-contact .card-stack {
  display: grid;
  gap: var(--gap-s);
}

.page-contact .contact-card {
  position: relative;
  padding: 26px 24px 24px;
  border-left: 5px solid var(--c-wood);
  transition: transform var(--ease), box-shadow var(--ease);
}

.page-contact .contact-card--phone {
  border-left-color: var(--c-tide);
}

.page-contact .contact-card--place {
  border-left-color: var(--c-indigo);
}

.page-contact .contact-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--pc-card-shadow);
}

.page-contact .contact-card-label {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 2px;
  background: var(--c-wood-soft);
  color: var(--c-wood-deep);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
}

.page-contact .contact-card-value {
  display: block;
  margin: 16px 0 10px;
  font-family: var(--font-num);
  font-size: clamp(18px, 3.6vw, 24px);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: .01em;
  color: var(--c-deep);
  overflow-wrap: anywhere;
}

.page-contact .contact-card-value--addr {
  font-size: clamp(16px, 3vw, 20px);
  line-height: 1.6;
}

.page-contact .contact-card-note {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-slate);
}

.page-contact .desk-aside .figure {
  margin: 0;
}

.page-contact .figure {
  margin: 0;
}

.page-contact .figure-frame {
  overflow: hidden;
}

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

/* ---------- 入口变更 ---------- */
.page-contact .gate-section {
  background: var(--c-indigo);
  color: var(--c-paper);
}

.page-contact .gate-layout {
  display: grid;
  gap: 36px;
}

.page-contact .gate-section .eyebrow {
  color: var(--c-wood);
}

.page-contact .gate-section .section-title {
  color: var(--c-paper);
  margin-bottom: 20px;
}

.page-contact .gate-text {
  margin: 0;
  max-width: 36em;
  font-size: 17px;
  line-height: 1.82;
  color: rgba(251, 247, 241, .86);
}

.page-contact .gate-text + .gate-text {
  margin-top: 16px;
}

.page-contact .gate-link {
  color: var(--c-wood);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color var(--ease);
}

.page-contact .gate-link:hover,
.page-contact .gate-link:focus-visible {
  color: var(--c-sunset);
}

.page-contact .gate-anchor {
  align-self: start;
  padding: 30px 26px 28px;
  border: 1px solid rgba(251, 247, 241, .3);
  border-top: 3px solid var(--c-sunset);
  background: rgba(251, 247, 241, .07);
}

.page-contact .gate-anchor .num-anchor {
  display: block;
  font-family: var(--font-num);
  font-size: clamp(36px, 8vw, 60px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--c-wood);
}

.page-contact .gate-anchor-note {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(251, 247, 241, .78);
}

/* ---------- 写信前 ---------- */
.page-contact .compose-section {
  background: linear-gradient(180deg, rgba(242, 223, 205, .38), rgba(251, 247, 241, 0) 62%);
}

.page-contact .compose-layout {
  display: grid;
  gap: 36px;
}

.page-contact .check-list {
  display: grid;
  gap: 10px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .check-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 13px 15px;
  border-left: 3px solid var(--c-wood);
  border-radius: 2px;
  background: rgba(242, 223, 205, .55);
  font-size: 15px;
  line-height: 1.72;
  color: var(--c-ink);
  transition: background var(--ease), transform var(--ease);
}

.page-contact .check-item:hover {
  background: rgba(242, 223, 205, .9);
  transform: translateX(3px);
}

.page-contact .check-box {
  position: relative;
  flex: none;
  width: 16px;
  height: 16px;
  margin-top: 5px;
  border: 2px solid var(--c-wood-deep);
  border-radius: 2px;
  background: var(--c-paper);
}

.page-contact .check-box::after {
  content: "";
  position: absolute;
  left: 3px;
  top: -1px;
  width: 5px;
  height: 9px;
  border-right: 2px solid var(--c-palm);
  border-bottom: 2px solid var(--c-palm);
  transform: rotate(42deg);
}

.page-contact .mail-draft {
  padding: 26px 24px 28px;
  border: 1px solid var(--pc-hair-strong);
  border-top: 4px solid var(--c-tide);
  border-radius: 2px;
  background: var(--c-paper);
  box-shadow: 12px 12px 0 -1px var(--c-wood-soft), var(--pc-card-shadow);
  transition: transform var(--ease);
}

.page-contact .mail-draft:hover {
  transform: translateY(-3px);
}

.page-contact .mail-draft-head {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--c-slate);
}

.page-contact .mail-draft-subject {
  margin: 0 0 22px;
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--pc-hair-strong);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.62;
  color: var(--c-deep);
  overflow-wrap: anywhere;
}

.page-contact .mail-draft-body {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 14px;
  line-height: 2;
  color: var(--c-ink);
}

.page-contact .mail-draft-body p {
  margin: 0;
  overflow-wrap: anywhere;
}

/* ---------- 回复节奏 ---------- */
.page-contact .reply-section {
  background: linear-gradient(180deg, rgba(251, 247, 241, .55), rgba(242, 223, 205, .9));
}

.page-contact .timeline-track {
  display: grid;
  gap: 14px;
}

.page-contact .timeline-node {
  position: relative;
  padding: 16px 18px 16px 46px;
  border: 1px solid var(--pc-hair);
  border-radius: 3px;
  background: var(--c-paper);
  transition: border-color var(--ease);
}

.page-contact .timeline-node::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 50%;
  width: 10px;
  height: 10px;
  margin-top: -5px;
  border-radius: 50%;
  background: var(--c-slate);
  transition: background var(--ease), box-shadow var(--ease);
}

.page-contact .timeline-node:hover {
  border-color: var(--pc-hair-strong);
}

.page-contact .timeline-node:hover::before {
  background: var(--c-palm);
  box-shadow: 0 0 0 5px rgba(79, 127, 91, .2);
}

.page-contact .timeline-time {
  margin: 0 0 6px;
  font-family: var(--font-num);
  font-size: 20px;
  font-weight: 900;
  letter-spacing: .01em;
  color: var(--c-deep);
}

.page-contact .timeline-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-slate);
}

/* ---------- 四类常见反馈 ---------- */
.page-contact .topics-section {
  background: var(--c-paper);
}

.page-contact .topic-grid {
  display: grid;
  gap: 20px;
}

.page-contact .topic-card {
  padding: 26px 24px 24px;
  border: 1px solid var(--pc-hair);
  border-top: 3px solid var(--c-wood);
  border-radius: 2px;
  background: var(--c-paper);
  transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
}

.page-contact .topic-card:nth-child(2) {
  border-top-color: var(--c-tide);
}

.page-contact .topic-card:nth-child(3) {
  border-top-color: var(--c-palm);
}

.page-contact .topic-card:nth-child(4) {
  border-top-color: var(--c-wine);
}

.page-contact .topic-num {
  margin: 0 0 10px;
  font-family: var(--font-num);
  font-size: 30px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: .01em;
  color: var(--c-wood);
}

.page-contact .topic-card:nth-child(2) .topic-num {
  color: var(--c-tide);
}

.page-contact .topic-card:nth-child(3) .topic-num {
  color: var(--c-palm);
}

.page-contact .topic-card:nth-child(4) .topic-num {
  color: var(--c-wine);
}

.page-contact .topic-title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--c-deep);
}

.page-contact .topic-text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--c-slate);
}

.page-contact .topic-text a {
  color: var(--c-wood-deep);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color var(--ease);
}

.page-contact .topic-text a:hover,
.page-contact .topic-text a:focus-visible {
  color: var(--c-sunset);
}

.page-contact .topic-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--pc-card-shadow);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: 40px 0 72px;
  }

  .page-contact .channels-section,
  .page-contact .compose-section,
  .page-contact .reply-section,
  .page-contact .topics-section,
  .page-contact .gate-section {
    padding: 88px 0;
  }

  .page-contact .desk-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: var(--gap-l);
    align-items: start;
  }

  .page-contact .desk-aside {
    position: sticky;
    top: 96px;
  }

  .page-contact .gate-layout {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: var(--gap-l);
    align-items: center;
  }

  .page-contact .compose-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: var(--gap-l);
    align-items: start;
  }

  .page-contact .timeline-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
  }

  .page-contact .timeline-node {
    padding: 28px 24px 8px 0;
    border: 0;
    border-top: 2px solid rgba(14, 58, 76, .22);
    border-radius: 0;
    background: transparent;
  }

  .page-contact .timeline-node::before {
    left: 0;
    top: -6px;
    margin-top: 0;
  }

  .page-contact .topic-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 24px;
  }

  .page-contact .topic-card:nth-child(1) {
    grid-column: 1 / 8;
  }

  .page-contact .topic-card:nth-child(2) {
    grid-column: 8 / 13;
  }

  .page-contact .topic-card:nth-child(3) {
    grid-column: 1 / 6;
  }

  .page-contact .topic-card:nth-child(4) {
    grid-column: 6 / 13;
  }
}

@media (min-width: 1180px) {
  .page-contact .check-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card,
  .page-contact .topic-card,
  .page-contact .mail-draft,
  .page-contact .check-item,
  .page-contact .timeline-node,
  .page-contact .timeline-node::before {
    transition: none;
  }

  .page-contact .contact-card:hover,
  .page-contact .topic-card:hover,
  .page-contact .mail-draft:hover,
  .page-contact .check-item:hover {
    transform: none;
  }
}