.page-contact {
  max-width: var(--frame-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
  padding-bottom: clamp(48px, 8vw, 96px);
  color: var(--c-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  overflow-wrap: break-word;
}

.page-contact .breadcrumb {
  margin: clamp(14px, 2vw, 22px) 0 clamp(12px, 1.8vw, 18px);
  font-size: 13px;
  color: var(--c-text-soft);
}

.page-contact a {
  color: inherit;
}

/* ---------- 首屏：展览画册末页的联系卡 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: clamp(20px, 3.2vw, 34px);
  padding: clamp(22px, 4.2vw, 48px);
  background: linear-gradient(158deg, var(--c-indigo) 0%, var(--c-indigo-deep) 58%, var(--c-ink) 100%);
  border: 1px solid rgba(200, 150, 62, 0.36);
  border-radius: var(--radius);
  color: var(--c-snow);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: -12%;
  background-image:
    repeating-linear-gradient(0deg, var(--c-grid) 0 1px, transparent 1px 62px),
    repeating-linear-gradient(90deg, var(--c-grid) 0 1px, transparent 1px 62px);
  transform: rotate(-4deg);
  opacity: 0.7;
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(200, 150, 62, 0.16);
  pointer-events: none;
}

.page-contact .contact-hero-copy,
.page-contact .contact-rails,
.page-contact .contact-hero-figure {
  position: relative;
  z-index: 1;
}

.page-contact .contact-eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--c-copper);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.page-contact .contact-eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--c-copper);
  flex: none;
}

.page-contact .contact-hero h1 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(27px, 5.2vw, 44px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--c-snow);
}

.page-contact .contact-lead {
  margin: 0;
  max-width: 36em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: rgba(245, 247, 250, 0.8);
}

.page-contact .contact-rails {
  display: grid;
  align-content: start;
}

.page-contact .rail {
  display: grid;
  gap: 6px;
  padding: 15px 0;
  text-decoration: none;
  border-top: 1px solid rgba(200, 150, 62, 0.3);
  transition: transform 0.2s var(--ease);
}

.page-contact .rail:last-child {
  border-bottom: 1px solid rgba(200, 150, 62, 0.3);
}

.page-contact .rail-key {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-mist);
}

.page-contact .rail-value {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(15px, 3.4vw, 23px);
  line-height: 1.35;
  color: var(--c-snow);
  overflow-wrap: anywhere;
  transition: color 0.2s var(--ease);
}

.page-contact .rail--phone .rail-value {
  letter-spacing: 0.04em;
  color: var(--c-copper-lift);
}

.page-contact .rail:hover .rail-value,
.page-contact .rail:focus-visible .rail-value {
  color: var(--c-copper-lift);
}

.page-contact .rail:focus-visible {
  outline: 2px solid var(--c-copper-lift);
  outline-offset: 4px;
}

.page-contact .contact-hero-figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(200, 150, 62, 0.3);
}

.page-contact .contact-hero-figure img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 190px;
  max-height: 430px;
  object-fit: cover;
}

/* ---------- 通用章节 ---------- */
.page-contact .contact-section {
  padding-block: clamp(34px, 6vw, 66px);
  border-bottom: 1px solid var(--c-line);
  scroll-margin-top: 96px;
}

.page-contact .contact-section--last {
  border-bottom: 0;
}

.page-contact .contact-h2 {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(21px, 3.1vw, 31px);
  line-height: 1.38;
  letter-spacing: 0.01em;
  color: var(--c-indigo);
}

.page-contact .contact-text {
  margin: 0 0 14px;
  max-width: 40em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--c-text-soft);
}

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

.page-contact .contact-hint {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  padding: 14px 18px;
  background: var(--c-paper);
  border-left: 3px solid var(--c-copper);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-pine);
}

.page-contact .contact-hint a {
  color: var(--c-indigo);
  text-decoration: underline;
  text-decoration-color: rgba(200, 150, 62, 0.6);
  text-underline-offset: 3px;
}

/* ---------- 反馈模板清单 ---------- */
.page-contact .checklist {
  list-style: none;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .check-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 15px 16px;
  background: var(--c-snow);
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-copper);
  cursor: pointer;
  transition: background 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-contact .check-row:hover {
  background: #fff;
  transform: translateY(-1px);
}

.page-contact .check-box {
  appearance: none;
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  margin: 4px 0 0;
  border: 1.5px solid var(--c-mist);
  background: #fff;
  display: grid;
  place-content: center;
  cursor: pointer;
  flex: none;
  transition: border-color 0.2s var(--ease);
}

.page-contact .check-box::after {
  content: "";
  width: 10px;
  height: 10px;
  background: var(--c-copper);
  transform: scale(0);
  transition: transform 0.16s var(--ease);
}

.page-contact .check-box:checked::after {
  transform: scale(1);
}

.page-contact .check-box:checked {
  border-color: var(--c-copper);
}

.page-contact .check-box:focus-visible {
  outline: 2px solid var(--c-teal);
  outline-offset: 2px;
}

.page-contact .check-body {
  display: grid;
  gap: 3px;
}

.page-contact .check-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--c-copper);
}

.page-contact .check-title {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--c-indigo);
  transition: color 0.2s var(--ease);
}

.page-contact .check-text {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-text-soft);
}

.page-contact .check-box:checked ~ .check-body .check-title {
  color: var(--c-text-soft);
  text-decoration: line-through;
  text-decoration-color: rgba(200, 150, 62, 0.55);
}

/* ---------- 响应刻度 ---------- */
.page-contact .scale {
  margin: clamp(22px, 3.4vw, 32px) 0 0;
}

.page-contact .scale-track {
  position: relative;
  height: 4px;
  background: var(--c-line);
}

.page-contact .scale-fill {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--c-indigo) 0%, var(--c-copper) 55%, var(--c-copper-lift) 100%);
}

.page-contact .scale-node {
  position: absolute;
  top: 50%;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--c-snow);
  border: 2px solid var(--c-copper);
  transform: translate(-50%, -50%);
}

.page-contact .scale-node--start {
  left: 0;
}

.page-contact .scale-node--mid {
  left: 50%;
  border-color: var(--c-indigo);
}

.page-contact .scale-node--end {
  left: 100%;
}

.page-contact .scale-labels {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--c-text-soft);
}

.page-contact .scale-labels .scale-time:last-child {
  text-align: right;
}

.page-contact .urgent {
  margin-top: clamp(20px, 3vw, 28px);
  border: 1px solid rgba(168, 92, 60, 0.35);
  background: rgba(168, 92, 60, 0.06);
}

.page-contact .urgent summary {
  padding: 13px 18px;
  cursor: pointer;
  font-weight: 700;
  font-size: 14.5px;
  color: var(--c-rust);
  list-style: none;
}

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

.page-contact .urgent summary::before {
  content: "＋";
  margin-right: 10px;
  font-family: var(--font-mono);
  font-weight: 600;
}

.page-contact .urgent[open] summary::before {
  content: "－";
}

.page-contact .urgent p {
  margin: 0;
  padding: 0 18px 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-text-soft);
}

/* ---------- 合作 ---------- */
.page-contact .coop-grid {
  display: grid;
  gap: clamp(20px, 3.6vw, 40px);
  margin-top: clamp(18px, 2.8vw, 26px);
}

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

.page-contact .coop-list li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--c-text-soft);
}

.page-contact .coop-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 12px;
  height: 1px;
  background: var(--c-copper);
}

.page-contact .coop-title {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--c-copper);
  margin-bottom: 2px;
}

/* ---------- 通信地址 ---------- */
.page-contact .address-card {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: clamp(20px, 3.4vw, 36px);
  padding: clamp(22px, 4vw, 40px);
  background: var(--c-paper);
  border: 1px solid rgba(27, 42, 74, 0.16);
}

.page-contact .address-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(135deg, rgba(27, 42, 74, 0.055) 0 1px, transparent 1px 20px);
  pointer-events: none;
}

.page-contact .address-text,
.page-contact .address-figure {
  position: relative;
  z-index: 1;
}

.page-contact .address-label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--c-copper);
}

.page-contact .address-line {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 3.4vw, 30px);
  line-height: 1.4;
  letter-spacing: 0.01em;
  color: var(--c-indigo);
}

.page-contact .address-note {
  margin: 0 0 10px;
  max-width: 34em;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-pine);
}

.page-contact .address-note:last-child {
  margin-bottom: 0;
}

.page-contact .address-note a {
  color: var(--c-indigo);
  text-decoration: underline;
  text-decoration-color: rgba(200, 150, 62, 0.6);
  text-underline-offset: 3px;
}

.page-contact .address-figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(27, 42, 74, 0.18);
}

.page-contact .address-figure img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 170px;
  max-height: 300px;
  object-fit: cover;
}

/* ---------- 相关入口 ---------- */
.page-contact .contact-links {
  display: grid;
  gap: 10px;
  padding-top: clamp(30px, 5vw, 54px);
}

.page-contact .contact-link {
  display: grid;
  gap: 4px;
  padding: 16px 18px;
  border: 1px solid var(--c-line);
  background: var(--c-snow);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-contact .contact-link:hover,
.page-contact .contact-link:focus-visible {
  border-color: var(--c-copper);
  background: #fff;
  transform: translateY(-1px);
}

.page-contact .contact-link-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--c-copper);
}

.page-contact .contact-link-text {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--c-indigo);
}

@media (min-width: 560px) {
  .page-contact .contact-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .check-row {
    padding: 17px 20px;
  }
}

@media (min-width: 760px) {
  .page-contact .coop-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-contact .address-card {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
  }
}

@media (min-width: 880px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    grid-template-rows: auto 1fr;
    align-items: start;
  }

  .page-contact .contact-hero-copy {
    grid-column: 1;
    grid-row: 1;
  }

  .page-contact .contact-rails {
    grid-column: 1;
    grid-row: 2;
    margin-top: 6px;
  }

  .page-contact .contact-hero-figure {
    grid-column: 2;
    grid-row: 1 / span 2;
    align-self: stretch;
    height: 100%;
  }

  .page-contact .contact-hero-figure img {
    max-height: none;
  }
}

@media (min-width: 1020px) {
  .page-contact .contact-links {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .rail,
  .page-contact .check-row,
  .page-contact .check-box,
  .page-contact .check-box::after,
  .page-contact .contact-link,
  .page-contact .contact-hero::before {
    transition: none;
    animation: none;
  }

  .page-contact .contact-hero::before {
    transform: none;
  }
}