.page-contact {
  --ct-gap: clamp(20px, 3vw, 36px);
  --ct-pad: clamp(40px, 6vw, 88px);
  display: block;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.75;
  overflow-x: hidden;
}

/* ── 首屏 ───────────────────────────────────── */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--paper-lift) 0%, var(--paper) 100%);
  border-bottom: 1px solid var(--line-brass);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0 0 0 auto;
  width: clamp(140px, 34vw, 460px);
  background:
    linear-gradient(200deg, var(--clay-soft) 0%, rgba(240, 216, 203, 0) 72%),
    repeating-linear-gradient(90deg, rgba(194, 137, 60, .16) 0 1px, transparent 1px 14px);
  clip-path: polygon(38% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
  z-index: 0;
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 62ch;
  padding-block: clamp(40px, 6vw, 84px);
}

.page-contact .contact-hero__inner h1 {
  margin: 12px 0 18px;
  font-family: var(--font-display);
  font-size: var(--fs-h1);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--clay-deep);
  max-width: 20ch;
}

.page-contact .contact-hero__inner .lede {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.8;
  color: var(--ink);
}

.page-contact .contact-hero__aside {
  margin: 20px 0 0;
  padding: 10px 0 10px 16px;
  border-left: 3px solid var(--brass);
  font-size: .9rem;
  color: var(--mist);
}

.page-contact .contact-hero__tags {
  margin: 22px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ── 区块通用标题 ───────────────────────────── */
.page-contact .contact-channels,
.page-contact .contact-visit-section,
.page-contact .contact-flow-section,
.page-contact .contact-route-section {
  padding-block: var(--ct-pad);
}

.page-contact .ct-head {
  margin-bottom: clamp(22px, 3vw, 38px);
  padding-bottom: 12px;
  border-bottom: 2px solid var(--ink);
}

.page-contact .ct-head__no {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .2em;
  color: var(--jade);
}

.page-contact .ct-head__no::after {
  content: "";
  flex: 0 0 auto;
  width: clamp(24px, 12vw, 140px);
  height: 2px;
  background: var(--brass);
}

.page-contact .ct-head h2 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink);
}

/* ── 双栏通道 ───────────────────────────────── */
.page-contact .contact-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ct-gap);
  align-items: start;
}

.page-contact .contact-split__rule {
  height: 2px;
  background: linear-gradient(90deg, var(--brass) 0%, rgba(194, 137, 60, 0) 100%);
}

.page-contact .contact-label {
  margin: 30px 0 8px;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .18em;
  color: var(--mist);
}

.page-contact .contact-left .contact-label:first-child {
  margin-top: 0;
}

.page-contact .contact-big {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.45rem, 5.4vw, 2.3rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--clay-deep);
  text-decoration: none;
  padding-bottom: 8px;
  border-bottom: 3px solid var(--brass);
  overflow-wrap: anywhere;
  transition: color .2s ease, border-color .2s ease;
}

.page-contact .contact-big--mail {
  font-size: clamp(0.95rem, 2.8vw, 1.35rem);
  padding-bottom: 6px;
}

.page-contact .contact-big:hover,
.page-contact .contact-big:focus-visible {
  color: var(--jade-deep);
  border-color: var(--jade);
}

.page-contact .contact-note {
  margin: 10px 0 0;
  font-size: .88rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .contact-hours {
  margin: 30px 0 0;
  padding: 14px 18px;
  display: grid;
  gap: 4px;
  background: var(--clay-soft);
  border-left: 4px solid var(--clay);
  color: var(--clay-deep);
}

.page-contact .contact-hours strong {
  font-family: var(--font-mono);
  font-size: .95rem;
  letter-spacing: .04em;
}

.page-contact .contact-hours span {
  font-size: .84rem;
  opacity: .9;
}

/* ── 材料清单 ───────────────────────────────── */
.page-contact .contact-sub {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-contact .contact-checklist {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-checklist li {
  position: relative;
  padding: 9px 0 9px 30px;
  border-bottom: 1px dashed var(--line-soft);
  font-size: .94rem;
  line-height: 1.7;
}

.page-contact .contact-checklist li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 1.15em;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: 2px solid var(--jade);
  background: var(--jade-soft);
  transition: border-color .2s ease, background-color .2s ease;
}

.page-contact .contact-checklist li:hover::before {
  border-color: var(--brass);
  background: var(--brass-soft);
}

.page-contact .contact-checklist strong {
  color: var(--clay-deep);
}

.page-contact .contact-tip {
  margin: 18px 0 0;
  padding: 12px 16px;
  background: var(--jade-soft);
  border-left: 3px solid var(--jade);
  font-size: .88rem;
  line-height: 1.7;
  color: var(--jade-deep);
}

/* ── 到访 ───────────────────────────────────── */
.page-contact .contact-visit-section {
  background: var(--paper-lift);
  border-block: 1px solid var(--line-soft);
}

.page-contact .contact-visit {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ct-gap);
  align-items: start;
}

.page-contact .contact-visit__text p {
  margin: 0 0 14px;
  font-size: .95rem;
  line-height: 1.8;
}

.page-contact .contact-addr {
  display: block;
  margin: 0 0 16px;
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: .92rem;
  line-height: 1.6;
  color: var(--clay-deep);
  background: var(--clay-soft);
  border-left: 4px solid var(--clay);
  overflow-wrap: anywhere;
}

.page-contact .media {
  margin: 0;
  background: var(--paper);
  border: 1px solid var(--line-brass);
  box-shadow: 8px 8px 0 rgba(194, 137, 60, .16);
}

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

.page-contact .media__caption {
  padding: 10px 14px;
  border-top: 1px solid var(--line-soft);
  font-size: .8rem;
  line-height: 1.6;
  color: var(--mist);
}

/* ── 工单流转 ───────────────────────────────── */
.page-contact .contact-flow {
  counter-reset: ctflow;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-flow li {
  counter-increment: ctflow;
  position: relative;
  padding: 16px 0 16px 54px;
  border-bottom: 1px solid var(--line-soft);
  font-size: .95rem;
  line-height: 1.75;
}

.page-contact .contact-flow li:first-child {
  border-top: 1px solid var(--line-soft);
}

.page-contact .contact-flow li::before {
  content: "0" counter(ctflow);
  position: absolute;
  left: 0;
  top: 15px;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: 1px solid var(--brass);
  border-radius: 50%;
  background: var(--brass-soft);
  font-family: var(--font-mono);
  font-size: .76rem;
  color: var(--jade-deep);
  transition: transform .2s ease, background-color .2s ease;
}

.page-contact .contact-flow li:hover::before {
  transform: scale(1.06);
  background: var(--scan);
}

.page-contact .contact-flow strong {
  margin-right: 8px;
  color: var(--clay-deep);
}

/* ── 折叠渠道 ───────────────────────────────── */
.page-contact .contact-route {
  display: grid;
  gap: 12px;
}

.page-contact .fold {
  margin: 0;
  border: 1px solid var(--line-soft);
  background: var(--paper-lift);
  transition: border-color .2s ease;
}

.page-contact .fold:hover {
  border-color: var(--brass);
}

.page-contact .fold[open] {
  border-color: var(--brass);
}

.page-contact .fold > summary {
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.5;
  color: var(--clay-deep);
}

.page-contact .fold > summary::-webkit-details-marker {
  display: none;
}

.page-contact .fold > summary::after {
  content: "+";
  float: right;
  margin-left: 12px;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--brass);
}

.page-contact .fold[open] > summary::after {
  content: "−";
  color: var(--jade);
}

.page-contact .fold__body {
  padding: 0 18px 16px;
  font-size: .92rem;
  line-height: 1.8;
}

.page-contact .fold__body p {
  margin: 0 0 10px;
}

.page-contact .fold__body p:last-child {
  margin-bottom: 0;
}

/* ── 收尾 ───────────────────────────────────── */
.page-contact .contact-tail {
  position: relative;
  padding-block: clamp(36px, 5vw, 68px);
  padding-bottom: calc(clamp(36px, 5vw, 68px) + 6px);
  background: var(--clay-deep);
  color: var(--paper);
}

.page-contact .contact-tail::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: var(--scan);
}

.page-contact .contact-tail__line {
  margin: 0 0 22px;
  max-width: 40ch;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
  font-weight: 800;
  line-height: 1.55;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .contact-links {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
}

.page-contact .contact-links a {
  display: inline-block;
  padding: 8px 15px;
  border: 1px solid rgba(239, 217, 174, .5);
  color: var(--brass-soft);
  font-size: .85rem;
  text-decoration: none;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease;
}

.page-contact .contact-links a:hover,
.page-contact .contact-links a:focus-visible {
  background: var(--brass-soft);
  border-color: var(--brass-soft);
  color: var(--clay-deep);
}

/* ── 窄屏微调 ───────────────────────────────── */
@media (max-width: 560px) {
  .page-contact .contact-hero::after {
    width: 46vw;
    opacity: .7;
  }

  .page-contact .contact-big {
    border-bottom-width: 2px;
  }

  .page-contact .contact-flow li {
    padding-left: 46px;
  }

  .page-contact .contact-links a {
    width: 100%;
    text-align: center;
  }
}

/* ── 桌面栅格 ───────────────────────────────── */
@media (min-width: 900px) {
  .page-contact .contact-split {
    grid-template-columns: minmax(0, 1.05fr) 1px minmax(0, 1fr);
    gap: 0;
    align-items: stretch;
  }

  .page-contact .contact-split__rule {
    width: 1px;
    height: 100%;
    background: linear-gradient(
      180deg,
      rgba(194, 137, 60, 0) 0%,
      var(--brass) 14%,
      var(--brass) 86%,
      rgba(194, 137, 60, 0) 100%
    );
  }

  .page-contact .contact-left {
    padding-right: clamp(26px, 3.4vw, 54px);
  }

  .page-contact .contact-right {
    padding-left: clamp(26px, 3.4vw, 54px);
  }

  .page-contact .contact-visit {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: clamp(28px, 4vw, 64px);
  }

  .page-contact .contact-route {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 18px;
    align-items: start;
  }
}

@media (min-width: 1240px) {
  .page-contact .contact-hero__inner {
    max-width: 66ch;
  }

  .page-contact .contact-checklist li {
    font-size: .96rem;
  }
}