.page-contact {
  --contact-line: rgba(230, 237, 243, 0.15);
  position: relative;
}

/* ========== Hero ========== */
.page-contact .contact-hero {
  padding: 1.75rem 0 2.75rem;
  border-bottom: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 34%;
  height: 100%;
  background: linear-gradient(135deg, transparent 42%, rgba(51, 255, 153, 0.08) 43%, rgba(51, 255, 153, 0.08) 45%, transparent 46%);
  pointer-events: none;
}

.page-contact .contact-hero .breadcrumb {
  margin-bottom: 2.5rem;
}

.page-contact .contact-hero-grid {
  display: grid;
  gap: 1.75rem;
  align-items: end;
}

.page-contact .contact-hero-main {
  max-width: 720px;
}

.page-contact .contact-hero-main h1 {
  font-family: var(--font-sans);
  font-size: clamp(2.4rem, 8vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  margin: 0.75rem 0 0.875rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--color-text);
}

.page-contact .contact-hero-desc {
  color: var(--color-text-muted);
  font-family: var(--font-serif);
  font-size: 1rem;
  line-height: 1.9;
  max-width: 56ch;
  margin: 0;
}

.page-contact .contact-hero-side {
  text-align: left;
  border-left: 2px solid var(--color-accent);
  padding-left: 1rem;
}

.page-contact .hero-coord {
  display: block;
  font-family: var(--font-sans);
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--color-accent);
}

.page-contact .hero-coord-sub {
  display: block;
  margin-top: 0.35rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

/* ========== 联系渠道 ========== */
.page-contact .contact-channels {
  padding: 3rem 0 2.5rem;
}

.page-contact .contact-section-head {
  margin-bottom: 1.75rem;
}

.page-contact .contact-section-head h2 {
  font-family: var(--font-sans);
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0.5rem 0 0;
  line-height: 1.3;
}

.page-contact .contact-banner-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--color-border);
  margin-bottom: 1.75rem;
  filter: saturate(0.85) contrast(1.05);
}

.page-contact .contact-channels-grid {
  display: grid;
  gap: 0.875rem;
  grid-template-columns: 1fr;
}

.page-contact .contact-channel-card {
  position: relative;
  background: var(--color-bg-card);
  padding: 1.35rem 1.35rem 1.4rem;
  border: 1px solid var(--color-border);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  transition: border-color var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast);
}

.page-contact .contact-channel-card:hover {
  border-color: var(--color-border-accent);
  background: var(--color-bg-elevated);
  transform: translateY(-3px);
}

.page-contact .channel-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
  background: rgba(51, 255, 153, 0.08);
  border: 1px solid var(--color-border-accent);
}

.page-contact .channel-icon svg {
  width: 22px;
  height: 22px;
  color: var(--color-accent);
}

.page-contact .channel-kicker {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.45rem;
}

.page-contact .channel-link {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  word-break: break-all;
  user-select: all;
  transition: color var(--transition-fast);
}

.page-contact .channel-link:hover {
  color: var(--color-accent);
}

.page-contact .channel-address,
.page-contact .channel-time {
  display: block;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--color-text);
  margin: 0;
}

.page-contact .channel-note {
  margin: 0.55rem 0 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.page-contact .channel-action {
  display: inline-block;
  margin-top: 0.9rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-accent);
  border-bottom: 1px solid var(--color-border-accent);
  padding-bottom: 2px;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.page-contact .channel-action:hover {
  color: #fff;
  border-color: var(--color-accent);
}

/* ========== 反馈表单 ========== */
.page-contact .contact-form-section {
  padding: 2.5rem 0;
}

.page-contact .contact-form-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  padding: 1.5rem;
  background:
    linear-gradient(135deg, rgba(51, 255, 153, 0.07) 0%, transparent 42%),
    var(--color-bg-elevated);
  border: 1px solid var(--color-border);
}

.page-contact .contact-form-info h2 {
  font-family: var(--font-sans);
  font-size: 1.6rem;
  font-weight: 700;
  margin: 0.55rem 0 0.875rem;
  line-height: 1.25;
}

.page-contact .contact-form-info p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  line-height: 1.85;
  margin: 0;
}

.page-contact .contact-form-route {
  margin-top: 1.25rem;
}

.page-contact .contact-form-route a {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid var(--color-border-accent);
  padding-bottom: 2px;
}

.page-contact .contact-form-fields {
  display: grid;
  gap: 1rem;
}

.page-contact .form-field {
  display: grid;
  gap: 0.45rem;
}

.page-contact .field-label {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.page-contact .form-field input,
.page-contact .form-field select,
.page-contact .form-field textarea {
  width: 100%;
  box-sizing: border-box;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-family: var(--font-serif);
  font-size: 0.92rem;
  line-height: 1.6;
  padding: 0.7rem 0.9rem;
  border-radius: 0;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.page-contact .form-field select {
  font-family: var(--font-sans);
  -webkit-appearance: none;
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--color-text-muted) 50%), linear-gradient(135deg, var(--color-text-muted) 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 14px) 50%;
  background-size: 4px 4px;
  background-repeat: no-repeat;
}

.page-contact .form-field select option {
  background: var(--color-bg-elevated);
}

.page-contact .form-field textarea {
  resize: vertical;
  min-height: 100px;
}

.page-contact .form-field input:focus,
.page-contact .form-field select:focus,
.page-contact .form-field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(51, 255, 153, 0.18);
}

.page-contact .form-field input::placeholder,
.page-contact .form-field textarea::placeholder {
  color: rgba(154, 167, 184, 0.7);
}

.page-contact .form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ========== 服务承诺 ========== */
.page-contact .contact-promise {
  padding: 2.5rem 0;
}

.page-contact .contact-promise-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  border: 1px solid var(--color-border);
  padding: 1.5rem;
  background: var(--color-bg-elevated);
}

.page-contact .promise-copy h2 {
  font-family: var(--font-sans);
  font-size: 1.6rem;
  font-weight: 700;
  margin: 0.55rem 0 0.75rem;
  line-height: 1.25;
}

.page-contact .promise-copy p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  line-height: 1.85;
  margin: 0;
  max-width: 52ch;
}

.page-contact .promise-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.page-contact .promise-metric {
  border-left: 2px solid var(--color-accent);
  padding-left: 0.9rem;
}

.page-contact .promise-value {
  display: block;
  font-family: var(--font-sans);
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.1;
}

.page-contact .promise-label {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.page-contact .promise-aside {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.page-contact .promise-aside p {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.7;
}

.page-contact .promise-aside a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid var(--color-border-accent);
}

/* ========== 地图 ========== */
.page-contact .contact-map-section {
  padding: 2.5rem 0 3.5rem;
}

.page-contact .contact-map-head {
  margin-bottom: 1.5rem;
}

.page-contact .contact-map-head h2 {
  font-family: var(--font-sans);
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0.5rem 0 0;
}

.page-contact .contact-map-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: start;
}

.page-contact .contact-map-visual {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
}

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

.page-contact .map-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.65;
  pointer-events: none;
}

.page-contact .contact-map-info > p:first-child {
  color: var(--color-text);
  font-size: 0.93rem;
  line-height: 1.85;
  margin: 0;
}

.page-contact .contact-map-points {
  list-style: none;
  margin: 1rem 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-contact .contact-map-points li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--color-text);
}

.page-contact .contact-map-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
}

.page-contact .contact-map-info .text-muted {
  font-size: 0.82rem;
  margin-top: 0.6rem;
}

.page-contact .contact-map-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.25rem;
}

/* ========== 桌面断点 ========== */
@media (min-width: 768px) {
  .page-contact .contact-hero {
    padding: 2.5rem 0 3.5rem;
  }

  .page-contact .contact-hero-grid {
    grid-template-columns: 1fr auto;
    gap: 2rem;
  }

  .page-contact .contact-hero-side {
    text-align: right;
    border-left: none;
    border-right: 2px solid var(--color-accent);
    padding-left: 0;
    padding-right: 1rem;
  }

  .page-contact .contact-channels {
    padding: 4rem 0 3rem;
  }

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

  .page-contact .contact-form-shell {
    grid-template-columns: 5fr 7fr;
    gap: 2.25rem;
    padding: 2rem;
  }

  .page-contact .contact-form-fields {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .form-field--wide {
    grid-column: 1 / -1;
  }

  .page-contact .contact-promise {
    padding: 3.5rem 0;
  }

  .page-contact .contact-promise-shell {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    padding: 2rem;
    align-items: center;
  }

  .page-contact .promise-copy {
    grid-column: 1 / -1;
  }

  .page-contact .promise-metrics {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .contact-map-section {
    padding: 3.5rem 0 4.5rem;
  }

  .page-contact .contact-map-grid {
    grid-template-columns: 7fr 5fr;
    gap: 1.75rem;
  }
}

@media (min-width: 1080px) {
  .page-contact .contact-channels-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-contact .contact-form-shell {
    padding: 2.5rem;
  }

  .page-contact .contact-promise-shell {
    grid-template-columns: 1.4fr 1fr 1fr;
  }

  .page-contact .promise-copy {
    grid-column: auto;
  }

  .page-contact .promise-metrics {
    grid-template-columns: 1fr;
  }
}