.page-contact {
  background: var(--ink);
  color: var(--cream);
}

.page-contact .section {
  padding: 52px 0;
}

.page-contact .section--light {
  background: var(--cream);
  color: var(--text-ink);
}

.page-contact .section-title {
  color: var(--cream);
}

.page-contact .section-lead {
  color: var(--mist);
  max-width: 34em;
}

.page-contact .section--light .section-title {
  color: var(--text-ink);
}

.page-contact .section--light .section-lead {
  color: var(--text-muted);
}

.page-contact .eyebrow {
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.page-contact .section--light .eyebrow {
  color: var(--amber-press);
}

/* ===== 首屏 ===== */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: 24px 0 48px;
  background:
    radial-gradient(110% 80% at 90% -10%, rgba(242, 160, 61, 0.18), transparent 60%),
    linear-gradient(180deg, var(--ink-2) 0%, var(--ink) 70%);
  border-bottom: 2px solid var(--line);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(36, 55, 79, 0.55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 55, 79, 0.55) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 78%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 78%);
  pointer-events: none;
}

.page-contact .contact-hero-inner {
  position: relative;
  z-index: 1;
}

.page-contact .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-contact .breadcrumb-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--mist);
}

.page-contact .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  color: var(--line);
}

.page-contact .breadcrumb-link {
  color: var(--mist);
  text-decoration: none;
}

.page-contact .breadcrumb-link:hover,
.page-contact .breadcrumb-link[aria-current="page"] {
  color: var(--amber);
}

.page-contact .contact-hero-grid {
  display: grid;
  gap: 34px;
  min-width: 0;
}

.page-contact .contact-hero h1 {
  margin: 12px 0 18px;
  font-size: clamp(28px, 8vw, 50px);
  font-weight: 900;
  line-height: 1.13;
  letter-spacing: -0.01em;
  color: var(--cream);
  overflow-wrap: break-word;
}

.page-contact .contact-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

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

.page-contact .contact-hero-media .media-frame {
  aspect-ratio: 8 / 5;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 6px 6px 0 #071120;
  overflow: hidden;
  background-color: var(--ink-2);
  background-image:
    linear-gradient(rgba(36, 55, 79, 0.8) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 55, 79, 0.8) 1px, transparent 1px);
  background-size: 28px 28px;
}

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

.page-contact .media-caption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* ===== 三条通道 ===== */
.page-contact .contact-channels {
  background: var(--ink);
  border-bottom: 2px solid var(--line);
}

.page-contact .channel-grid {
  display: grid;
  gap: 18px;
  margin-top: 34px;
}

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  padding: 24px 20px 22px;
  background: var(--ink-2);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 6px 6px 0 #071120;
}

.page-contact .channel-card--primary {
  border-color: var(--amber);
}

.page-contact .channel-no {
  align-self: flex-start;
  padding: 3px 9px;
  border: 1px solid var(--line);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-contact .channel-card h3 {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  color: var(--cream);
}

.page-contact .channel-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .channel-value {
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--cream);
  overflow-wrap: anywhere;
}

.page-contact .channel-tip {
  padding-top: 12px;
  border-top: 2px solid var(--line);
  font-size: 13px;
  color: var(--mist);
}

/* ===== 响应时间 ===== */
.page-contact .fact-strip {
  display: grid;
  gap: 14px;
  margin-top: 30px;
}

.page-contact .fact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 16px;
  background: var(--paper);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: 4px 4px 0 var(--ink);
}

.page-contact .fact-num {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text-ink);
}

.page-contact .fact-cap {
  font-size: 13px;
  color: var(--text-muted);
}

.page-contact .matter-list {
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--grid-blue);
}

.page-contact .matter {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 16px;
  padding: 14px 0;
  border-bottom: 2px solid var(--grid-blue);
}

.page-contact .matter-type {
  font-size: 15px;
  color: var(--text-ink);
}

.page-contact .matter-channel {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber-press);
}

.page-contact .check-first {
  display: grid;
  gap: 18px;
  margin-top: 36px;
  padding: 22px 20px;
  background: var(--paper);
  border: 2px solid var(--ink);
  border-left: 8px solid var(--amber);
  border-radius: var(--radius);
}

.page-contact .check-first h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 800;
  color: var(--text-ink);
}

.page-contact .check-first p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-muted);
}

.page-contact .check-first .btn {
  justify-self: start;
}

/* ===== 在线反馈 ===== */
.page-contact .contact-form-block {
  background: var(--paper);
  color: var(--text-ink);
  border-top: 2px solid var(--line);
}

.page-contact .contact-form-block .section-title {
  color: var(--text-ink);
}

.page-contact .contact-form-block .section-lead {
  color: var(--text-muted);
}

.page-contact .feedback-panel {
  display: grid;
  gap: 26px;
  margin-top: 32px;
  padding: 24px 20px 26px;
  background: var(--cream);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: 6px 6px 0 var(--ink);
  min-width: 0;
}

.page-contact .field-grid {
  display: grid;
  gap: 24px;
}

.page-contact .field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.page-contact .field-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.page-contact .field-input {
  width: 100%;
  box-sizing: border-box;
  padding: 10px 2px;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-ink);
  background: transparent;
  border: 0;
  border-bottom: 2px solid var(--grid-blue);
  border-radius: 0;
  transition: border-color 160ms ease;
}

.page-contact .field-input::placeholder {
  color: #8E9BAB;
}

.page-contact .field-input:focus {
  outline: none;
  border-bottom-color: var(--amber);
}

.page-contact .field-input--area {
  resize: vertical;
  min-height: 108px;
}

.page-contact .feedback-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.page-contact .feedback-hint {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-muted);
}

/* ===== 地址与备案 ===== */
.page-contact .contact-location {
  background-color: var(--cream);
  background-image:
    linear-gradient(var(--grid-blue) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-blue) 1px, transparent 1px);
  background-size: 40px 40px;
  color: var(--text-ink);
  border-top: 2px solid var(--ink);
}

.page-contact .contact-location .section-title {
  color: var(--text-ink);
}

.page-contact .contact-location .section-lead {
  color: var(--text-muted);
}

.page-contact .location-grid {
  display: grid;
  gap: 32px;
  min-width: 0;
}

.page-contact .location-list {
  display: grid;
  margin: 26px 0 0;
  padding: 0;
}

.page-contact .location-list > div {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 2px solid var(--grid-blue);
}

.page-contact .location-list dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.page-contact .location-list dd {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-ink);
  overflow-wrap: anywhere;
}

.page-contact .location-map {
  margin: 0;
  min-width: 0;
}

.page-contact .location-map .media-frame {
  aspect-ratio: 4 / 3;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: 6px 6px 0 var(--ink);
  overflow: hidden;
  background-color: var(--paper);
}

.page-contact .location-map .media-caption {
  color: var(--text-muted);
}

/* ===== 合作与授权 ===== */
.page-contact .contact-coop {
  background: var(--ink);
  border-top: 2px solid var(--line);
}

.page-contact .coop-grid {
  display: grid;
  gap: 30px;
  min-width: 0;
}

.page-contact .coop-mail {
  margin: 18px 0 0;
  font-size: 15px;
  color: var(--mist);
  overflow-wrap: anywhere;
}

.page-contact .coop-mail .u-mono {
  color: var(--cream);
}

.page-contact .coop-card {
  padding: 24px 20px;
  background: var(--ink-2);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 6px 6px 0 #071120;
  min-width: 0;
}

.page-contact .coop-card h3 {
  margin: 0 0 16px;
  font-size: 18px;
  font-weight: 800;
  color: var(--cream);
}

.page-contact .coop-list {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .coop-list li {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 10px;
  align-items: baseline;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .coop-no {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-contact .contact-coop .text-link {
  color: var(--amber);
  font-size: 15px;
  text-decoration: none;
  border-bottom: 2px solid rgba(242, 160, 61, 0.45);
  padding-bottom: 2px;
}

.page-contact .contact-coop .text-link:hover {
  color: var(--amber-press);
  border-bottom-color: var(--amber-press);
}

/* ===== 断点 ===== */
@media (min-width: 560px) {
  .page-contact .fact-strip {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .page-contact .location-list > div {
    grid-template-columns: 96px 1fr;
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 768px) {
  .page-contact .section {
    padding: 68px 0;
  }

  .page-contact .contact-hero {
    padding: 32px 0 60px;
  }

  .page-contact .contact-hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 48px;
  }

  .page-contact .channel-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .page-contact .feedback-panel {
    padding: 30px 28px 32px;
  }

  .page-contact .check-first {
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 26px;
    padding: 26px 28px;
  }

  .page-contact .location-grid {
    grid-template-columns: 1fr 0.9fr;
    align-items: center;
    gap: 44px;
  }

  .page-contact .coop-grid {
    grid-template-columns: 1fr 0.95fr;
    align-items: start;
    gap: 44px;
  }
}

@media (min-width: 1024px) {
  .page-contact .channel-card {
    padding: 28px 24px 26px;
  }

  .page-contact .fact-num {
    font-size: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .field-input {
    transition: none;
  }
}