.page-contact {
  --pc-pad: clamp(18px, 3.2vw, 34px);
  --pc-gap: clamp(16px, 2.6vw, 30px);
  --pc-band: clamp(44px, 7vw, 96px);
  background: var(--c-space);
  color: var(--c-paper);
  padding-bottom: var(--pc-band);
}

.page-contact .pc-block {
  margin-top: var(--pc-band);
}

/* 面包屑与章节头 */
.page-contact .breadcrumb {
  padding-top: clamp(16px, 2.8vw, 28px);
}

.page-contact .section-head {
  display: grid;
  gap: 6px;
  border-top: var(--line-strong);
  padding-top: clamp(14px, 2vw, 20px);
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-contact .section-head__num {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--c-teal);
}

.page-contact .section-head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.4vw, 2.125rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 0;
  color: var(--c-paper);
}

.page-contact .section-head__note {
  margin: 0;
  max-width: 54ch;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--c-mist);
}

/* 首屏 */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  margin-top: clamp(14px, 2.4vw, 26px);
  border-top: var(--line);
  border-bottom: var(--line);
  background: linear-gradient(175deg, rgba(18, 41, 74, 0.96), rgba(11, 27, 51, 0.99));
}

.page-contact .contact-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .contact-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.18;
  filter: saturate(0.7) contrast(1.05);
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
  padding-top: clamp(34px, 6vw, 78px);
  padding-bottom: clamp(30px, 5vw, 64px);
}

.page-contact .contact-hero .eyebrow {
  color: var(--c-amber);
  letter-spacing: 0.16em;
}

.page-contact .contact-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 6.2vw, 4.2rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 12px 0 0;
  max-width: 20ch;
  color: var(--c-paper);
}

.page-contact .contact-hero__lead {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 54ch;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(244, 241, 234, 0.84);
}

.page-contact .contact-hero__cue {
  margin: 16px 0 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--c-mist);
}

.page-contact .contact-hero__cue a {
  color: var(--c-elec);
  text-decoration: none;
  border-bottom: 1px solid rgba(127, 243, 228, 0.55);
  padding-bottom: 1px;
  transition: border-color 0.14s var(--ease), color 0.14s var(--ease);
}

.page-contact .contact-hero__cue a:hover,
.page-contact .contact-hero__cue a:focus-visible {
  color: var(--c-paper);
  border-bottom-color: var(--c-teal);
}

/* 联系渠道卡片 */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

.page-contact .channel-card {
  min-width: 0;
  background: var(--c-night);
  border: var(--line);
  border-radius: var(--radius);
  padding: var(--pc-pad);
  transition: border-color 0.14s var(--ease), transform 0.14s var(--ease);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  border-color: rgba(53, 208, 192, 0.6);
  transform: translateY(-2px);
}

.page-contact .channel-card--primary {
  background: linear-gradient(158deg, rgba(232, 163, 61, 0.18), rgba(18, 41, 74, 0.97) 46%);
  border-color: rgba(232, 163, 61, 0.55);
}

.page-contact .channel-card--primary:hover,
.page-contact .channel-card--primary:focus-within {
  border-color: var(--c-amber-lit);
}

.page-contact .channel-card__head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-contact .channel-card__num {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--c-teal);
}

.page-contact .channel-card h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.32rem;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 12px 0 0;
  color: var(--c-paper);
}

.page-contact .channel-card__text {
  margin: 10px 0 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: rgba(244, 241, 234, 0.8);
}

.page-contact .channel-card__addr {
  margin: 14px 0 0;
  font-family: var(--font-serif);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--c-paper);
  border-left: var(--line-teal);
  padding-left: 12px;
}

.page-contact .channel-card__meta {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--c-mist);
}

/* 复制控件 */
.page-contact .copy-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  min-width: 0;
}

.page-contact .copy-field {
  appearance: none;
  display: inline-block;
  max-width: 100%;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  line-height: 1.6;
  text-align: left;
  word-break: break-all;
  color: var(--c-elec);
  background: rgba(6, 16, 31, 0.6);
  border: var(--line);
  border-radius: var(--radius);
  padding: 9px 12px;
  cursor: pointer;
  transition: border-color 0.14s var(--ease), color 0.14s var(--ease), background 0.14s var(--ease);
}

.page-contact .copy-field:hover,
.page-contact .copy-field:focus-visible {
  border-color: rgba(127, 243, 228, 0.75);
  color: var(--c-paper);
  background: rgba(6, 16, 31, 0.85);
}

.page-contact .copy-toast {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--c-amber);
}

/* 邮件结构 */
.page-contact .mail-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 50px);
}

.page-contact .mail-paper {
  position: relative;
  z-index: 0;
  background: var(--c-paper);
  color: var(--c-paper-ink);
  border-radius: var(--radius);
  padding: clamp(20px, 3vw, 34px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.36);
}

.page-contact .mail-paper::before {
  content: "";
  position: absolute;
  inset: -7px -7px 7px 7px;
  border: 1px solid rgba(201, 212, 226, 0.34);
  border-radius: var(--radius);
  z-index: -1;
}

.page-contact .mail-paper__cap {
  margin: 0 0 6px;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: #5a6a82;
}

.page-contact .mail-row {
  display: grid;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px dashed rgba(27, 36, 52, 0.22);
}

.page-contact .mail-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .mail-key {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: #5a6a82;
}

.page-contact .mail-val {
  font-size: 0.96rem;
  line-height: 1.75;
  color: var(--c-paper-ink);
  word-break: break-word;
}

.page-contact .mail-row--subject .mail-val {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  line-height: 1.65;
  letter-spacing: 0.01em;
  color: #0e4356;
  background: rgba(53, 208, 192, 0.14);
  border-left: 3px solid #1c9e91;
  padding: 6px 10px;
  border-radius: var(--radius);
}

.page-contact .mail-notes {
  border-left: var(--line-teal);
  padding-left: clamp(16px, 2.4vw, 26px);
}

.page-contact .mail-notes h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.16rem;
  letter-spacing: -0.01em;
  margin: 0 0 14px;
  color: var(--c-paper);
}

.page-contact .mail-notes ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .note-item {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 10px;
}

.page-contact .note-item__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--c-teal);
  padding-top: 3px;
}

.page-contact .note-item p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.8;
  color: rgba(244, 241, 234, 0.78);
}

.page-contact .note-item strong {
  color: var(--c-paper);
  font-weight: 600;
}

/* 响应时段 */
.page-contact .response-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 52px);
}

.page-contact .response-stats {
  display: grid;
  gap: 18px;
}

.page-contact .response-stat {
  border-top: var(--line-strong);
  padding-top: 12px;
}

.page-contact .response-stat__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.32rem, 3vw, 1.9rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--c-teal);
}

.page-contact .response-stat__label {
  margin: 6px 0 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--c-mist);
}

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

.page-contact .response-order li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: var(--line);
}

.page-contact .response-order li:first-child {
  border-top: var(--line);
}

.page-contact .step-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--c-teal);
  padding-top: 4px;
}

.page-contact .response-order h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.005em;
  margin: 0;
  color: var(--c-paper);
}

.page-contact .response-order p {
  margin: 6px 0 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: rgba(143, 163, 191, 0.98);
}

/* 反馈类型 */
.page-contact .type-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

.page-contact .type-card {
  min-width: 0;
  background: rgba(18, 41, 74, 0.58);
  border: var(--line);
  border-radius: var(--radius);
  padding: var(--pc-pad);
  transition: border-color 0.14s var(--ease);
}

.page-contact .type-card:hover,
.page-contact .type-card:focus-within {
  border-color: rgba(53, 208, 192, 0.5);
}

.page-contact .type-card h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.14rem;
  letter-spacing: -0.005em;
  margin: 0;
  color: var(--c-paper);
}

.page-contact .type-card__text {
  margin: 8px 0 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: rgba(244, 241, 234, 0.74);
}

.page-contact .type-meta {
  list-style: none;
  margin: 14px 0 0;
  padding: 12px 0 0;
  border-top: var(--line);
  display: grid;
  gap: 7px;
}

.page-contact .type-meta li {
  position: relative;
  padding-left: 16px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--c-elec);
}

.page-contact .type-meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 1px;
  background: var(--c-teal);
}

/* 服务范围与备案 */
.page-contact .region-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 46px);
}

.page-contact .region-text {
  margin: 0 0 20px;
  max-width: 48ch;
  font-size: 0.98rem;
  line-height: 1.85;
  color: rgba(244, 241, 234, 0.82);
}

.page-contact .pc-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: var(--line);
  min-width: 0;
}

.page-contact .pc-tag-label {
  min-width: 74px;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--c-mist);
}

.page-contact .pc-tags .copy-wrap {
  margin-top: 0;
}

.page-contact .copy-field--tag {
  font-size: 0.74rem;
  padding: 6px 10px;
  background: rgba(232, 163, 61, 0.12);
  border-color: rgba(232, 163, 61, 0.45);
  color: var(--c-amber-lit);
}

.page-contact .copy-field--tag:hover,
.page-contact .copy-field--tag:focus-visible {
  border-color: var(--c-amber-lit);
  color: var(--c-amber-lit);
  background: rgba(232, 163, 61, 0.22);
}

.page-contact .pc-plain {
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  color: var(--c-paper);
}

.page-contact .addr-block {
  display: flex;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
  padding: clamp(16px, 2.4vw, 24px);
  background: rgba(18, 41, 74, 0.6);
  border: var(--line-teal);
  border-radius: var(--radius);
}

.page-contact .addr-pin {
  flex: none;
  color: var(--c-teal);
  margin-top: 2px;
}

.page-contact .addr-block__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--c-mist);
}

.page-contact .addr-block__val {
  margin: 6px 0 0;
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--c-paper);
  word-break: break-word;
}

.page-contact .region-media {
  margin: 0;
  min-width: 0;
}

.page-contact .region-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: var(--line);
  border-radius: var(--radius);
  filter: saturate(0.86) contrast(1.04);
}

.page-contact .region-caption {
  margin-top: 10px;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--c-mist);
}

/* 合作对接 */
.page-contact .partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 46px);
}

.page-contact .partner-main p {
  margin: 0 0 16px;
  font-size: 0.98rem;
  line-height: 1.88;
  color: rgba(244, 241, 234, 0.82);
}

.page-contact .copy-field--inline {
  display: inline;
  font-size: 0.78rem;
  padding: 3px 8px;
  vertical-align: baseline;
  margin: 0 2px;
}

.page-contact .partner-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: var(--line-strong);
}

.page-contact .partner-list li {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: var(--line);
}

.page-contact .partner-list__k {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--c-teal);
}

.page-contact .partner-list__v {
  font-size: 0.93rem;
  line-height: 1.75;
  color: rgba(244, 241, 234, 0.84);
}

/* 相关页面 */
.page-contact .next-links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-contact .next-links a {
  display: grid;
  gap: 6px;
  padding: 16px clamp(14px, 2vw, 20px);
  text-decoration: none;
  color: var(--c-paper);
  background: rgba(18, 41, 74, 0.45);
  border: var(--line);
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.06rem;
  letter-spacing: -0.005em;
  transition: border-color 0.14s var(--ease), background 0.14s var(--ease), transform 0.14s var(--ease);
}

.page-contact .next-links a:hover,
.page-contact .next-links a:focus-visible {
  border-color: rgba(53, 208, 192, 0.6);
  background: rgba(18, 41, 74, 0.78);
  transform: translateX(3px);
}

.page-contact .next-links__hint {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--c-mist);
}

/* 平板及以上 */
@media (min-width: 640px) {
  .page-contact .mail-row {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 14px;
    align-items: baseline;
  }

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

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

  .page-contact .channel-card:nth-child(2) {
    margin-top: clamp(18px, 3vw, 42px);
  }

  .page-contact .channel-card:nth-child(3) {
    margin-top: clamp(8px, 1.4vw, 20px);
  }

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

@media (min-width: 900px) {
  .page-contact .mail-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-contact .response-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-contact .response-stats {
    gap: 22px;
  }

  .page-contact .region-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .partner-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-contact .contact-hero h1 {
    max-width: 22ch;
  }

  .page-contact .mail-paper {
    padding: clamp(26px, 3vw, 40px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .type-card,
  .page-contact .next-links a,
  .page-contact .copy-field,
  .page-contact .contact-hero__cue a {
    transition: none;
  }

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