.page-contact {
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

/* ---------- 页首全幅 ---------- */
.page-contact .contact-hero {
  position: relative;
  background: var(--ink);
}

.page-contact .contact-hero__media {
  position: relative;
  height: clamp(300px, 44vw, 520px);
  overflow: hidden;
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(.94);
}

.page-contact .contact-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(12, 38, 33, .22) 0%, rgba(12, 38, 33, .74) 54%, var(--ink) 100%);
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 2;
  margin-top: calc(-1 * clamp(80px, 14vw, 180px));
  padding-bottom: clamp(32px, 4.5vw, 60px);
}

.page-contact .contact-hero h1 {
  margin: 12px 0 0;
  max-width: 22ch;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(34px, 5.6vw, 68px);
  line-height: 1.06;
  letter-spacing: -.02em;
}

.page-contact .contact-hero__lede {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.78;
  color: var(--paper-2);
}

.page-contact .contact-hero__quick {
  list-style: none;
  margin: 30px 0 0;
  padding: 18px 0 0;
  border-top: 2px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
}

.page-contact .contact-hero__quick li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
}

.page-contact .contact-hero__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold-bright);
}

.page-contact .contact-hero__v {
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.5vw, 17px);
  color: var(--paper);
  word-break: break-all;
}

/* ---------- 通用章节 ---------- */
.page-contact .section {
  padding: clamp(48px, 6.5vw, 96px) 0;
}

.page-contact .section--tight {
  padding-top: clamp(30px, 4vw, 56px);
}

.page-contact .contact-head {
  display: grid;
  gap: 14px;
  max-width: 780px;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-contact .contact-head h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(26px, 3.6vw, 44px);
  line-height: 1.12;
  letter-spacing: -.01em;
}

.page-contact .contact-head__note {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--slate-lt);
}

/* ---------- 联系方式卡片 ---------- */
.page-contact .channels {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-contact .channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 210px;
  padding: clamp(22px, 2.6vw, 32px);
  background: var(--ink-2);
  border: 2px solid var(--line);
  box-shadow: var(--shadow-hard);
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  height: 6px;
  background: var(--gold);
}

.page-contact .channel--mail::before { background: var(--arg); }
.page-contact .channel--phone::before { background: var(--bra-y); }
.page-contact .channel--addr::before { background: var(--uru); }

.page-contact .channel__idx {
  position: absolute;
  top: 16px;
  right: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--slate-lt);
}

.page-contact .channel__label {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gold-bright);
}

.page-contact .channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(17px, 1.9vw, 23px);
  line-height: 1.35;
  color: var(--paper);
  word-break: break-all;
}

.page-contact .channel__value--sm {
  font-size: clamp(16px, 1.6vw, 19px);
  word-break: break-word;
}

.page-contact .channel__desc {
  margin: auto 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate-lt);
}

/* ---------- 咨询方向列表 ---------- */
.page-contact .topics {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 2px solid var(--line);
}

.page-contact .topics li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  align-items: start;
  padding: 22px 0;
  border-bottom: 2px solid var(--line-soft);
}

.page-contact .topics__idx {
  padding-top: 5px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--gold-bright);
}

.page-contact .topics h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(17px, 1.9vw, 21px);
  letter-spacing: .01em;
}

.page-contact .topics p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--slate-lt);
}

/* ---------- 响应节奏 ---------- */
.page-contact .rhythm {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
}

.page-contact .rhythm__text h2 {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(26px, 3.4vw, 42px);
  line-height: 1.14;
  letter-spacing: -.01em;
  max-width: 20ch;
}

.page-contact .rhythm__text p {
  margin: 18px 0 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.82;
  color: var(--paper-2);
}

.page-contact .rhythm__text .rhythm__memo {
  margin-top: 24px;
  padding-left: 16px;
  border-left: 3px solid var(--gold);
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate-lt);
}

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

.page-contact .rhythm__figure .media {
  border: 2px solid var(--line);
  box-shadow: var(--shadow-soft);
}

/* ---------- 合作三步（浅色章节） ---------- */
.page-contact .contact-steps {
  background: var(--paper);
  color: var(--ink);
}

.page-contact .contact-steps .eyebrow {
  color: var(--ink-3);
}

.page-contact .contact-steps .contact-head__note {
  color: var(--slate);
}

.page-contact .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-contact .steps__item {
  position: relative;
  padding: 30px 0 26px 26px;
}

.page-contact .steps__item::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 2px;
  background: var(--gold);
}

.page-contact .steps__node {
  position: absolute;
  top: 0;
  left: 0;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--gold);
  transform: translate(-6px, -1px);
  box-shadow: 0 0 0 4px rgba(192, 151, 63, .2);
  transition: transform .25s ease, box-shadow .25s ease;
}

.page-contact .steps__no {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-contact .steps__item h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(20px, 2.2vw, 26px);
  letter-spacing: .01em;
  color: var(--ink);
}

.page-contact .steps__item p {
  margin: 0;
  max-width: 40ch;
  font-size: 15px;
  line-height: 1.78;
  color: #3C4A45;
}

.page-contact .steps__extra {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
  opacity: .85;
  transition: opacity .25s ease, transform .25s ease;
}

.page-contact .steps__item:hover .steps__extra,
.page-contact .steps__item:focus-within .steps__extra {
  opacity: 1;
  transform: translateX(4px);
}

.page-contact .steps__item:hover .steps__node,
.page-contact .steps__item:focus-within .steps__node {
  transform: translate(-6px, -1px) scale(1.35);
  box-shadow: 0 0 0 9px rgba(192, 151, 63, .24);
}

/* ---------- 页尾引导 ---------- */
.page-contact .contact-tail {
  background: var(--ink-2);
  border-top: 2px solid var(--line);
}

.page-contact .contact-tail__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
}

.page-contact .contact-tail h2 {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1.14;
  letter-spacing: -.01em;
  max-width: 18ch;
}

.page-contact .contact-tail__inner > div > p:last-child {
  margin: 16px 0 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--slate-lt);
}

.page-contact .tail-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .tail-links a {
  display: grid;
  gap: 4px;
  padding: 18px 0;
  border-bottom: 2px solid var(--line-soft);
  color: var(--paper);
  text-decoration: none;
  transition: color .2s ease, padding-left .2s ease;
}

.page-contact .tail-links a strong {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(18px, 2vw, 22px);
  letter-spacing: .01em;
}

.page-contact .tail-links a span {
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate-lt);
}

.page-contact .tail-links a:hover,
.page-contact .tail-links a:focus-visible {
  color: var(--gold-bright);
  padding-left: 8px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 680px) {
  .page-contact .channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .topics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(28px, 4vw, 64px);
  }
}

@media (min-width: 960px) {
  .page-contact .channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .rhythm {
    grid-template-columns: 5fr 6fr;
    align-items: start;
  }
  .page-contact .contact-tail__inner {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }
  .page-contact .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .steps__item {
    padding: 34px clamp(18px, 2.2vw, 30px) 30px;
  }
  .page-contact .steps__item::before {
    top: 0;
    bottom: auto;
    left: 0;
    right: 0;
    width: auto;
    height: 2px;
  }
  .page-contact .steps__node {
    top: 0;
    left: 0;
    transform: translate(-1px, -50%);
  }
  .page-contact .steps__item:hover .steps__node,
  .page-contact .steps__item:focus-within .steps__node {
    transform: translate(-1px, -50%) scale(1.35);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .steps__node,
  .page-contact .steps__extra,
  .page-contact .tail-links a {
    transition: none;
  }
}