.page-contact {
  --contact-gap: clamp(18px, 3vw, 28px);
  --contact-pad: clamp(36px, 5vw, 64px);
  background: var(--ink-950);
  color: var(--paper-050);
  padding-bottom: clamp(48px, 7vw, 88px);
  overflow-x: clip;
}

.page-contact .contact-top {
  padding-top: clamp(18px, 3.5vw, 30px);
}

.page-contact a {
  text-decoration: none;
  color: inherit;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: clamp(16px, 2.6vw, 26px) 0 0;
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: var(--contact-gap);
}

.page-contact .contact-card {
  position: relative;
  background: linear-gradient(168deg, var(--ink-800) 0%, var(--ink-900) 100%);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  box-shadow: var(--paper-shadow);
  padding: clamp(22px, 3.4vw, 38px);
}

.page-contact .contact-card::after {
  content: "";
  position: absolute;
  top: 12px;
  right: 12px;
  width: 18px;
  height: 18px;
  border-top: 1px solid var(--sand-500);
  border-right: 1px solid var(--sand-500);
  pointer-events: none;
}

.page-contact .contact-card h1 {
  margin: 10px 0 0;
  font-size: clamp(27px, 4.6vw, 42px);
  line-height: 1.22;
  letter-spacing: -0.02em;
  font-weight: 700;
}

.page-contact .contact-card__lede {
  margin: 14px 0 22px;
  max-width: 46ch;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--paper-200);
}

.page-contact .channel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "key key"
    "val btn";
  gap: 6px 12px;
  align-items: center;
  padding: 13px 0;
  border-top: 1px dashed var(--line);
}

.page-contact .channel:last-of-type {
  border-bottom: 1px dashed var(--line);
}

.page-contact .channel__key {
  grid-area: key;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--sand-500);
}

.page-contact .channel__val {
  grid-area: val;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  word-break: break-all;
  color: var(--paper-050);
}

.page-contact .channel .copy-btn {
  grid-area: btn;
  align-self: center;
  font-size: 12px;
  padding: 6px 14px;
  border-radius: var(--r-pill);
  white-space: nowrap;
}

.page-contact .hours {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin-top: 20px;
  padding: 12px 14px;
  border-left: 3px solid var(--celadon-600);
  border-radius: var(--r-xs);
  background: rgba(46, 140, 126, 0.12);
}

.page-contact .hours__label {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--celadon-100);
}

.page-contact .hours__time {
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--paper-050);
}

.page-contact .contact-hero__figure {
  margin: 0;
  display: flex;
  flex-direction: column;
}

.page-contact .figure__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--r-xs);
}

.page-contact .contact-hero__figure .figure__img {
  height: 100%;
  min-height: 220px;
}

/* ---------- 服务时间与响应节奏 ---------- */
.page-contact .contact-rhythm {
  margin-top: clamp(34px, 5vw, 60px);
  padding: clamp(30px, 4.5vw, 54px) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    repeating-linear-gradient(90deg, rgba(147, 166, 184, 0.07) 0 1px, transparent 1px 96px),
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-950) 100%);
}

.page-contact .section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 20px;
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-contact .section-head__title {
  margin: 0;
  font-size: clamp(21px, 3vw, 28px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--paper-050);
}

.page-contact .section-head__aside {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist-400);
}

.page-contact .rhythm__grid {
  display: grid;
  gap: var(--contact-gap);
}

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

.page-contact .rhythm__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 13px;
}

.page-contact .rhythm__list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper-200);
}

.page-contact .rhythm__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  background: var(--celadon-600);
}

/* ---------- 渠道说明 ---------- */
.page-contact .contact-block {
  padding: clamp(34px, 5vw, 58px) 0 0;
}

.page-contact .channel-grid {
  display: grid;
  gap: var(--contact-gap);
}

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 22px 20px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  box-shadow: var(--paper-shadow);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-contact .channel-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--paper-shadow-lift);
  border-color: var(--line-strong);
}

.page-contact .channel-card__no {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--sand-500);
}

.page-contact .channel-card__title {
  margin: 0;
  font-size: 19px;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--paper-050);
}

.page-contact .channel-card__body {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--paper-200);
}

.page-contact .channel-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 4px 0 0;
}

/* ---------- 准备清单（浅色区块） ---------- */
.page-contact .contact-paper {
  margin-top: clamp(34px, 5vw, 60px);
  padding: var(--contact-pad) 0;
  background: var(--paper-050);
  color: var(--ink-950);
}

.page-contact .contact-paper .section-head__title {
  color: var(--ink-950);
}

.page-contact .contact-paper .section-head__aside {
  color: var(--mist-600);
}

.page-contact .contact-paper__lede {
  margin: 0 0 clamp(18px, 3vw, 26px);
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-700);
}

.page-contact .checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .checklist li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 13px 15px;
  border: 1px solid var(--paper-200);
  border-left: 3px solid var(--signal-500);
  border-radius: var(--r-xs);
  background: rgba(255, 255, 255, 0.6);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-900);
}

.page-contact .checklist__no {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--signal-500);
  padding-top: 3px;
}

/* ---------- 咨询分类 ---------- */
.page-contact .ask-grid {
  display: grid;
  gap: 12px;
}

.page-contact .ask-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "no title"
    "no desc"
    "no go";
  gap: 3px 14px;
  align-content: start;
  padding: 16px 18px;
  background: var(--ink-900);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-contact .ask-card:hover,
.page-contact .ask-card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--cyan-300);
  background: var(--ink-800);
}

.page-contact .ask-card__no {
  grid-area: no;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--sand-500);
  padding-top: 2px;
}

.page-contact .ask-card__title {
  grid-area: title;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper-050);
}

.page-contact .ask-card__desc {
  grid-area: desc;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist-400);
}

.page-contact .ask-card__go {
  grid-area: go;
  margin-top: 8px;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--cyan-300);
}

/* ---------- 通信地址 ---------- */
.page-contact .envelope {
  position: relative;
  padding: clamp(20px, 3vw, 32px);
  border: 1px dashed var(--sand-500);
  border-radius: var(--r-sm);
  background: linear-gradient(180deg, rgba(199, 161, 90, 0.09) 0%, rgba(199, 161, 90, 0) 70%);
}

.page-contact .envelope__addr {
  margin: 10px 0 0;
  font-size: clamp(17px, 2.4vw, 21px);
  line-height: 1.6;
  letter-spacing: 0.01em;
  color: var(--paper-050);
}

.page-contact .envelope__note {
  margin: 12px 0 0;
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--paper-200);
}

.page-contact .envelope__icp {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--mist-400);
}

.page-contact .contact-out {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3.6vw, 36px);
}

.page-contact .contact-out__note {
  margin: 12px 0 0;
  max-width: 58ch;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist-400);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .ask-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-contact .rhythm__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }
}

@media (min-width: 920px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: stretch;
  }

  .page-contact .contact-hero__figure {
    height: 100%;
  }
}

@media (min-width: 1024px) {
  .page-contact .ask-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .section-head__title {
    max-width: 34ch;
  }
}

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

  .page-contact .channel-card:hover,
  .page-contact .ask-card:hover,
  .page-contact .ask-card:focus-visible {
    transform: none;
  }
}