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

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(100px, 15vh, 156px) 0 clamp(40px, 6vw, 76px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(900px 480px at 86% 0%, rgba(25, 224, 210, 0.14), transparent 62%),
    radial-gradient(720px 440px at 0% 100%, rgba(255, 107, 74, 0.1), transparent 66%);
}

.page-contact .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-contact .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-contact .breadcrumb-link {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-contact .breadcrumb-link:hover,
.page-contact .breadcrumb-link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .breadcrumb-item[aria-current="page"] {
  color: var(--pale);
}

.page-contact .hero-grid {
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.page-contact .hero-lead .display {
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-size: clamp(33px, 4.6vw, 58px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--snow);
}

.page-contact .hero-lead .lede {
  max-width: 40ch;
  margin: 0;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.78;
  color: var(--mist);
}

/* 联系前清单 */
.page-contact .prep-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .prep-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .prep-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-contact .prep-text strong {
  display: block;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--snow);
}

.page-contact .prep-text span {
  display: block;
  margin-top: 4px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .hero-index {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-contact .hero-index a {
  display: inline-block;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--pale);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-contact .hero-index a:hover,
.page-contact .hero-index a:focus-visible {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

/* 右侧信息面板 */
.page-contact .hero-panels {
  position: relative;
  isolation: isolate;
  min-height: 1px;
}

.page-contact .contact-coord-map {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  pointer-events: none;
}

.page-contact .channel-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 16px;
  padding: clamp(14px, 2vw, 22px);
}

.page-contact .channel-card {
  --accent: var(--cyan);
  position: relative;
  padding: 18px 20px 18px 26px;
  background: rgba(11, 30, 51, 0.88);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard-sm);
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.page-contact .channel-card--tel {
  --accent: var(--coral);
}

.page-contact .channel-card--addr {
  --accent: var(--pale);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent);
}

.page-contact .channel-card:hover {
  transform: translate(-2px, -2px);
  border-color: var(--accent);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.5);
}

.page-contact .channel-key {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-contact .channel-val {
  display: block;
  margin: 8px 0 6px;
  font-family: var(--font-display);
  font-size: clamp(17px, 2vw, 22px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--snow);
  text-decoration: none;
  word-break: break-all;
  transition: color 0.2s ease;
}

a.channel-val:hover,
a.channel-val:focus-visible {
  color: var(--accent);
}

.page-contact .channel-note {
  display: block;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 通用分节 ---------- */
.page-contact .section {
  padding: clamp(48px, 7vw, 92px) 0;
}

.page-contact .section--pair,
.page-contact .section--next {
  border-top: 1px solid var(--line);
}

.page-contact .section--hours {
  background: var(--ink-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .sec-grid {
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
}

.page-contact .sec-rail .heading {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 38px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.015em;
}

.page-contact .rail-note {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
  max-width: 32ch;
}

.page-contact .sec-head {
  margin-bottom: clamp(26px, 4vw, 42px);
  max-width: 68ch;
}

.page-contact .sec-head .heading {
  margin: 12px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 38px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.015em;
}

.page-contact .sec-head .prose {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .prose {
  margin: 0 0 4px;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--mist);
}

/* ---------- 邮件块 ---------- */
.page-contact .mail-panel {
  margin: 24px 0 18px;
  padding: 24px clamp(16px, 2.4vw, 30px);
  background: linear-gradient(120deg, rgba(25, 224, 210, 0.14), rgba(255, 107, 74, 0.08));
  border: 2px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
}

.page-contact .mail-address {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.2vw, 25px);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--snow);
  text-decoration: none;
  word-break: break-all;
  padding-bottom: 5px;
  border-bottom: 2px solid var(--cyan);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-contact .mail-address:hover,
.page-contact .mail-address:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--coral);
}

.page-contact .mail-meta {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-contact .subject-details {
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.page-contact .subject-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 700;
  color: var(--snow);
}

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

.page-contact .subject-details summary::after {
  content: "＋";
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--coral);
}

.page-contact .subject-details[open] summary::after {
  content: "－";
  color: var(--cyan);
}

.page-contact .subject-body {
  padding: 0 20px 20px;
  border-top: 1px solid var(--line);
}

.page-contact .subject-body p {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .subject-body .subject-example {
  font-family: var(--font-mono);
  font-size: clamp(12.5px, 1.5vw, 15px);
  line-height: 1.6;
  color: var(--snow);
  background: rgba(255, 107, 74, 0.14);
  border-left: 3px solid var(--coral);
  padding: 12px 14px;
  word-break: break-all;
}

/* ---------- 电话与地址 ---------- */
.page-contact .pair-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-contact .pair-card {
  position: relative;
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--ink-2);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard-sm);
}

.page-contact .pair-card:nth-child(1) {
  border-top-color: var(--cyan);
}

.page-contact .pair-card:nth-child(2) {
  border-top-color: var(--coral);
}

.page-contact .pair-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-contact .pair-value {
  display: block;
  margin: 12px 0 10px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 30px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--snow);
  text-decoration: none;
  word-break: break-word;
}

.page-contact .pair-value--text {
  font-size: clamp(18px, 2.2vw, 24px);
}

a.pair-value:hover,
a.pair-value:focus-visible {
  color: var(--cyan);
}

.page-contact .pair-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 服务时间 ---------- */
.page-contact .hours-box {
  padding: clamp(18px, 2.6vw, 28px);
  background: var(--panel);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard-sm);
}

.page-contact .hours-labels {
  display: flex;
  justify-content: space-between;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-contact .hours-track {
  position: relative;
  height: 12px;
  margin: 9px 0 14px;
  background: var(--ink);
  border: 2px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
}

.page-contact .hours-fill {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 37.5%;
  width: 37.5%;
  background: linear-gradient(90deg, var(--cyan), var(--coral));
}

.page-contact .hours-caption {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--pale);
}

.page-contact .rhythm-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .rhythm-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding-left: 16px;
  border-left: 2px solid var(--line);
}

.page-contact .rhythm-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .rhythm-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .hours-figure {
  margin: 26px 0 0;
}

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

/* ---------- 延伸阅读 ---------- */
.page-contact .next-links {
  list-style: none;
  margin: clamp(24px, 4vw, 38px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .next-links a {
  display: block;
  padding: 18px 20px;
  text-decoration: none;
  background: var(--ink-2);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.page-contact .next-links a:hover,
.page-contact .next-links a:focus-visible {
  border-color: var(--cyan);
  background: var(--panel);
  transform: translateY(-2px);
}

.page-contact .next-title {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: var(--snow);
  letter-spacing: 0.01em;
}

.page-contact .next-desc {
  display: block;
  margin-top: 6px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .pair-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 900px) {
  .page-contact .grid-12 {
    display: grid;
    grid-template-columns: 1fr;
  }

  .page-contact .span-4,
  .page-contact .span-8,
  .page-contact .span-6,
  .page-contact .span-12 {
    grid-column: 1 / -1;
  }

  .page-contact .hero-panels {
    order: 2;
  }

  .page-contact .hero-lead .lede,
  .page-contact .rail-note {
    max-width: none;
  }

  .page-contact .contact-coord-map {
    opacity: 0.18;
  }

  .page-contact .channel-grid {
    padding: 12px;
  }
}

@media (max-width: 560px) {
  .page-contact .contact-hero {
    padding-top: 96px;
  }

  .page-contact .channel-card {
    padding: 16px 16px 16px 22px;
  }

  .page-contact .mail-panel {
    padding: 18px 16px;
  }

  .page-contact .pair-card {
    padding: 18px 16px;
  }

  .page-contact .hours-labels {
    font-size: 9.5px;
    letter-spacing: 0.02em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .next-links a,
  .page-contact .mail-address,
  .page-contact .breadcrumb-link {
    transition: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .next-links a:hover {
    transform: none;
  }
}