/* ========== 联系我们 · 页面专属样式 ========== */
.page-contact {
  --contact-stripe: rgba(11, 29, 58, 0.045);
  --contact-stripe-warm: rgba(255, 107, 53, 0.06);
  position: relative;
  overflow-x: clip;
  background:
    linear-gradient(118deg, transparent 42%, var(--contact-stripe-warm) 42%, var(--contact-stripe-warm) 43.5%, transparent 43.5%),
    repeating-linear-gradient(-38deg, transparent 0, transparent 86px, var(--contact-stripe) 86px, var(--contact-stripe) 89px),
    var(--color-bg);
}

/* 面包屑 */
.page-contact .breadcrumbs {
  max-width: var(--container);
  margin: 0 auto;
  padding: 1.25rem var(--gutter) 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.page-contact .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .breadcrumbs li {
  display: inline-flex;
  align-items: center;
}

.page-contact .breadcrumbs li + li::before {
  content: "/";
  margin-right: 0.5rem;
  color: var(--color-line);
}

.page-contact .breadcrumbs a {
  color: var(--color-dim);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-contact .breadcrumbs a:hover {
  color: var(--color-orange);
}

.page-contact .breadcrumbs [aria-current="page"] {
  color: var(--color-ink);
  font-weight: 500;
}

/* ===== 首屏 / Hero ===== */
.page-contact .contact-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
  max-width: var(--container);
  margin: 0 auto;
  padding: clamp(2.25rem, 6vw, 4.5rem) var(--gutter) 0;
  position: relative;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  right: -14%;
  top: -14%;
  width: 58%;
  height: 80%;
  background: linear-gradient(150deg, rgba(255, 107, 53, 0.1), rgba(255, 107, 53, 0.02) 55%, transparent 78%);
  clip-path: polygon(18% 0, 100% 0, 82% 100%, 0 100%);
  pointer-events: none;
  z-index: 0;
}

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

.page-contact .contact-eyebrow {
  margin: 0 0 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-orange);
}

.page-contact .page-title {
  margin: 0 0 1.25rem;
  font-family: var(--font-head);
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  line-height: 1.04;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--color-ink);
  max-width: 12em;
}

.page-contact .intro {
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--color-dim);
  max-width: 44em;
}

.page-contact .contact-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem 2rem;
  margin-top: 1.75rem;
}

.page-contact .hero-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--color-ink);
}

.page-contact .hero-meta-item::before {
  content: "";
  width: 10px;
  height: 10px;
  background: var(--color-acid);
  clip-path: polygon(0 0, 100% 0, 70% 100%, 0 100%);
  flex: 0 0 auto;
}

.page-contact .contact-hero-visual {
  position: relative;
  z-index: 1;
  margin: 0;
  max-width: 200px;
}

.page-contact .contact-hero-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--color-line);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

.page-contact .contact-hero-caption {
  margin-top: 0.625rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-dim);
  text-align: center;
}

/* ===== 联系方式 ===== */
.page-contact .contact-channels {
  max-width: var(--container);
  margin: 0 auto;
  padding: clamp(3.5rem, 8vw, 6.5rem) var(--gutter) 0;
}

.page-contact .section-head {
  margin-bottom: 0;
}

.page-contact .contact-section-index {
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-dim);
}

.page-contact .section-title {
  margin: 0 0 1rem;
  font-family: var(--font-head);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-ink);
}

.page-contact .section-note {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-dim);
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.125rem;
  margin-top: 2.5rem;
}

.page-contact .channel-card {
  --ch-accent: var(--color-acid);
  position: relative;
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-top: 3px solid var(--ch-accent);
  padding: 1.5rem 1.5rem 1.75rem;
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.page-contact .channel-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 34px rgba(11, 29, 58, 0.1);
}

.page-contact .channel-address {
  --ch-accent: var(--color-dim);
}

.page-contact .channel-index {
  display: block;
  margin-bottom: 0.875rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--color-orange);
}

.page-contact .channel-title {
  margin: 0 0 0.5rem;
  font-family: var(--font-head);
  font-size: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-ink);
}

.page-contact .channel-desc {
  margin: 0 0 1rem;
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--color-dim);
}

.page-contact .channel-value {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  letter-spacing: 0.04em;
  color: var(--color-ink);
  background: rgba(0, 230, 138, 0.1);
  padding: 0.4rem 0.75rem;
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: background 0.2s ease;
}

.page-contact .channel-value:hover {
  background: rgba(0, 230, 138, 0.22);
}

.page-contact .channel-tag {
  position: absolute;
  top: 1.125rem;
  right: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--color-dim);
  border: 1px solid var(--color-line);
  padding: 0.2rem 0.5rem;
}

.page-contact .address-note {
  margin: 0.625rem 0 0;
  padding-left: 0.75rem;
  border-left: 3px solid var(--color-line);
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--color-dim);
}

/* ===== 反馈方式 ===== */
.page-contact .contact-feedback {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
  max-width: var(--container);
  margin: 0 auto;
  padding: clamp(3.5rem, 8vw, 6.5rem) var(--gutter) 0;
}

.page-contact .feedback-visual {
  position: relative;
}

.page-contact .feedback-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 0 100%);
}

.page-contact .feedback-visual-badge {
  position: absolute;
  left: 1.25rem;
  bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--color-bg-deep);
  color: var(--color-on-deep);
  padding: 0.875rem 1.125rem;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
}

.page-contact .badge-num {
  font-family: var(--font-head);
  font-size: 2.125rem;
  line-height: 1;
  color: var(--color-acid);
}

.page-contact .badge-label {
  font-size: 0.75rem;
  line-height: 1.5;
  font-family: var(--font-body);
  color: var(--color-on-deep);
}

.page-contact .feedback-content {
  position: relative;
}

.page-contact .feedback-intro {
  margin: 0 0 1.75rem;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-dim);
}

.page-contact .feedback-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .feedback-step {
  position: relative;
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 0 1.125rem;
  padding-bottom: 1.75rem;
}

.page-contact .feedback-step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 1.25rem;
  top: 3.25rem;
  bottom: 0.25rem;
  width: 2px;
  background: var(--color-line);
}

.page-contact .step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--color-bg-deep);
  color: var(--color-acid);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
  z-index: 1;
}

.page-contact .step-body {
  padding-top: 0.25rem;
}

.page-contact .step-label {
  display: block;
  margin-bottom: 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-orange);
}

.page-contact .step-body p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-ink);
}

.page-contact .step-body a {
  color: var(--color-ink);
  font-family: var(--font-mono);
  text-decoration: none;
  border-bottom: 2px solid var(--color-acid);
}

.page-contact .step-body a:hover {
  background: rgba(0, 230, 138, 0.15);
}

.page-contact .feedback-note {
  margin: 1.5rem 0 0;
  padding-top: 1.25rem;
  border-top: 1px dashed var(--color-line);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.8;
  color: var(--color-dim);
}

/* ===== 回复时间 ===== */
.page-contact .contact-hours {
  max-width: var(--container);
  margin: 0 auto;
  padding: clamp(3.5rem, 8vw, 6.5rem) var(--gutter) 0;
}

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

.page-contact .hours-panel {
  position: relative;
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  padding: 2rem 1.25rem 1.75rem;
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 0 100%);
}

.page-contact .hours-panel::before {
  content: "";
  position: absolute;
  top: -1px;
  right: 2rem;
  width: 3rem;
  height: 6px;
  background: var(--color-orange);
  clip-path: polygon(0 0, 100% 0, calc(100% - 8px) 100%, 8px 100%);
}

.page-contact .hours-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.375rem;
}

.page-contact .day {
  font-size: 0.8125rem;
  text-align: center;
  padding: 0.625rem 0.125rem;
  background: var(--color-bg);
  color: var(--color-dim);
  border-bottom: 3px solid transparent;
}

.page-contact .day.is-workday {
  color: var(--color-ink);
  background: rgba(0, 230, 138, 0.08);
  border-bottom-color: var(--color-acid);
}

.page-contact .day.is-offday {
  opacity: 0.4;
}

.page-contact .hours-track-wrap {
  margin-top: 1.75rem;
}

.page-contact .hours-track {
  position: relative;
  height: 3rem;
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  overflow: hidden;
}

.page-contact .hours-track-active {
  position: absolute;
  left: 37.5%;
  top: 0;
  bottom: 0;
  width: 37.5%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: repeating-linear-gradient(
    -45deg,
    rgba(0, 230, 138, 0.28) 0,
    rgba(0, 230, 138, 0.28) 6px,
    rgba(0, 230, 138, 0.5) 6px,
    rgba(0, 230, 138, 0.5) 12px
  );
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  font-weight: 500;
  color: var(--color-ink);
  white-space: nowrap;
}

.page-contact .hours-track-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 0.375rem;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--color-dim);
}

.page-contact .hours-note {
  margin: 1.5rem 0 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--color-dim);
}

/* ===== 自助帮助 ===== */
.page-contact .contact-selfhelp {
  max-width: var(--container);
  margin: 0 auto;
  padding: clamp(3.5rem, 8vw, 6.5rem) var(--gutter) 0;
}

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

.page-contact .help-intro {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-dim);
}

.page-contact .help-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.125rem;
  margin-top: 2.5rem;
}

.page-contact .help-card {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  padding: 1.5rem;
  text-decoration: none;
  color: var(--color-ink);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.page-contact .help-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(11, 29, 58, 0.09);
  border-color: var(--color-acid);
}

.page-contact .help-card-index {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  background: var(--color-bg-deep);
  color: var(--color-acid);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
}

.page-contact .help-card-body {
  flex: 1;
  min-width: 0;
}

.page-contact .help-card-body h3 {
  margin: 0 0 0.375rem;
  font-family: var(--font-head);
  font-size: 1.0625rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-ink);
}

.page-contact .help-card-body p {
  margin: 0 0 0.5rem;
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--color-dim);
}

.page-contact .help-card-link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-orange);
}

.page-contact .help-card-link span {
  display: inline-block;
  transition: transform 0.2s ease;
}

.page-contact .help-card:hover .help-card-link span {
  transform: translateX(3px);
}

.page-contact .help-more {
  margin: 2rem 0 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-dim);
}

.page-contact .help-more a {
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  text-decoration: none;
  border-bottom: 2px solid var(--color-acid);
  transition: background 0.2s ease;
}

.page-contact .help-more a:hover {
  background: rgba(0, 230, 138, 0.15);
}

/* ===== 底部声明 ===== */
.page-contact .contact-policy {
  max-width: var(--container);
  margin: 0 auto;
  padding: clamp(4rem, 9vw, 7rem) var(--gutter) clamp(5.5rem, 11vw, 9rem);
  text-align: center;
}

.page-contact .policy-badge {
  display: inline-block;
  margin-bottom: 1.25rem;
  padding: 0.375rem 0.875rem;
  background: var(--color-orange);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-bg);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
}

.page-contact .policy-text {
  max-width: 46em;
  margin: 0 auto;
  font-size: 0.9375rem;
  line-height: 1.9;
  color: var(--color-dim);
}

/* ===== 响应式 ===== */
@media (min-width: 640px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (min-width: 768px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 3rem;
  }

  .page-contact .contact-hero-visual {
    transform: translateY(1.25rem) rotate(2deg);
  }

  .page-contact .contact-feedback {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: 3.5rem;
  }

  .page-contact .contact-channels {
    padding-top: clamp(4rem, 8vw, 7rem);
  }

  .page-contact .contact-hours,
  .page-contact .contact-selfhelp {
    padding-top: clamp(4.5rem, 9vw, 7.5rem);
  }
}

@media (min-width: 1200px) {
  .page-contact .channel-grid {
    gap: 1.5rem;
  }

  .page-contact .help-grid {
    gap: 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .help-card,
  .page-contact .channel-value,
  .page-contact .help-card-link span,
  .page-contact .breadcrumbs a {
    transition: none;
  }
}