/* ===== 联系客服页 专属样式 ===== */
.page-contact {
  --contact-accent-soft: rgba(200, 255, 0, 0.08);
  --contact-grid-size: 36px;
  --contact-print-tag: rgba(255, 255, 255, 0.06);
  overflow-x: hidden;
  background:
    linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg) 100%);
  position: relative;
}

/* ---------- 面包屑 ---------- */
.page-contact__crumb {
  padding-top: calc(var(--header-height) + var(--space-3));
}

/* ---------- Hero 海报区 ---------- */
.page-contact__hero {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding-top: var(--space-5);
  padding-bottom: var(--space-4);
  z-index: 1;
}

.page-contact__hero::before {
  content: "CONTACT";
  display: block;
  position: absolute;
  top: -0.1em;
  right: -0.08em;
  font-family: var(--font-headline);
  font-size: clamp(4rem, 15vw, 11rem);
  font-weight: 900;
  line-height: 0.85;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.06);
  pointer-events: none;
  z-index: -1;
  letter-spacing: -0.02em;
}

.page-contact__hero-copy {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
}

.page-contact__hero-tag {
  margin-bottom: var(--space-1);
}

.page-contact__title {
  font-family: var(--font-headline);
  font-size: clamp(3rem, 11vw, 6.5rem);
  line-height: 0.96;
  letter-spacing: -0.03em;
  margin: var(--space-2) 0 var(--space-3);
  color: var(--color-text);
}

.page-contact__title-accent {
  color: var(--color-accent);
  position: relative;
  white-space: nowrap;
}

.page-contact__hero-lede {
  max-width: 22em;
  margin: 0 0 var(--space-2);
  color: var(--color-text-dim);
}

.page-contact__hero-hint {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 0.875rem;
  color: var(--color-accent-alt);
  border: 1px solid var(--color-accent-alt);
  border-radius: 999px;
  padding: 0.4em 1.2em;
  letter-spacing: 0.1em;
  background: rgba(0, 229, 255, 0.05);
}

.page-contact__hero-figure {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: var(--space-2);
}

.page-contact__hero-img {
  display: block;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--color-line);
  background: var(--color-bg-panel);
  filter: contrast(1.05) saturate(1.15);
}

.page-contact__hero-stamp {
  position: absolute;
  top: -18px;
  left: -6px;
  width: 84px;
  height: 84px;
  z-index: 2;
  background: var(--color-bg);
  padding: 6px;
  box-shadow: 0 0 0 1px var(--color-line);
}

.page-contact__hero-envelope {
  position: absolute;
  bottom: 44px;
  left: -28px;
  width: 52px;
  height: 40px;
  opacity: 0.9;
  transform: rotate(-12deg);
}

/* ---------- 官方客服通道 ---------- */
.page-contact__channels {
  position: relative;
  background:
    linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-panel) 100%);
}

.page-contact__section-head {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.page-contact__section-title {
  margin: 0;
}

.page-contact__section-desc {
  margin: 0;
}

.page-contact__channel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}

.page-contact__channel-card {
  position: relative;
  background: var(--color-bg-panel);
  border: 1px solid var(--color-line);
  border-radius: 4px;
  padding: var(--space-4) var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-width: 0;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  overflow: hidden;
}

.page-contact__channel-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 26px;
  height: 26px;
  background: linear-gradient(135deg, transparent 50%, var(--contact-print-tag) 50%);
  border-bottom-left-radius: 4px;
}

.page-contact__channel-card--mail::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg,
    transparent 0,
    transparent 8px,
    rgba(200, 255, 0, 0.025) 8px,
    rgba(200, 255, 0, 0.025) 9px
  );
  pointer-events: none;
}

.page-contact__channel-card--mail {
  border-color: rgba(200, 255, 0, 0.25);
}

.page-contact__channel-card--mail .page-contact__channel-value {
  color: var(--color-accent);
}

.page-contact__channel-card--phone {
  border-color: rgba(0, 229, 255, 0.25);
}

.page-contact__channel-card--phone .page-contact__channel-value {
  color: var(--color-accent-alt);
}

.page-contact__channel-card--address {
  border-color: rgba(255, 255, 255, 0.14);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    var(--color-bg-panel);
  background-size: var(--contact-grid-size) var(--contact-grid-size);
}

.page-contact__channel-card:hover {
  transform: translateY(-4px) rotate(-0.6deg);
  border-color: var(--color-accent);
  box-shadow:
    0 12px 28px -12px rgba(0, 0, 0, 0.6),
    8px 8px 0 -4px var(--color-overlay);
}

.page-contact__channel-icon {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-line);
  border-radius: 50%;
  margin-bottom: var(--space-1);
  background: var(--color-bg);
}

.page-contact__channel-icon svg {
  width: 30px;
  height: auto;
  display: block;
}

.page-contact__channel-icon svg rect,
.page-contact__channel-icon svg polyline,
.page-contact__channel-icon svg line,
.page-contact__channel-icon svg path,
.page-contact__channel-icon svg circle {
  stroke-width: 2;
}

.page-contact__channel-tag {
  align-self: flex-start;
}

.page-contact__channel-label {
  font-family: var(--font-headline);
  font-size: 1.25rem;
  margin: 0;
}

.page-contact__channel-value {
  font-family: var(--font-data);
  font-size: 1.05rem;
  line-height: 1.5;
  overflow-wrap: break-word;
  word-break: break-word;
  margin: 0;
}

.page-contact__channel-value--address {
  font-family: var(--font-body);
  font-weight: 700;
  color: var(--color-text);
}

.page-contact__channel-purpose {
  margin: var(--space-1) 0 0;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--color-text-dim);
}

.page-contact__copy-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  font-family: var(--font-data);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--color-text-dim);
  border: 1px solid var(--color-line);
  border-radius: 3px;
  padding: 0.3em 0.7em;
}

.page-contact__channel-card--mail .page-contact__copy-badge {
  color: var(--color-accent);
  border-color: rgba(200, 255, 0, 0.4);
  background: var(--contact-accent-soft);
}

.page-contact__channel-card--phone .page-contact__copy-badge {
  color: var(--color-accent-alt);
  border-color: rgba(0, 229, 255, 0.4);
  background: rgba(0, 229, 255, 0.05);
}

.page-contact__channel-card--address .page-contact__copy-badge {
  color: var(--color-text);
  border-color: rgba(255, 255, 255, 0.2);
}

.page-contact__note {
  margin: var(--space-4) 0 0;
  padding: var(--space-3);
  border-left: 3px solid var(--color-accent);
  background: var(--color-overlay);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--color-text-dim);
}

/* ---------- 反馈与建议 ---------- */
.page-contact__feedback {
  background:
    linear-gradient(180deg, var(--color-bg-panel) 0%, var(--color-bg) 100%);
}

.page-contact__feedback-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-5);
}

.page-contact__feedback-media {
  position: relative;
  margin: var(--space-3) 0 0;
  border: 1px solid var(--color-line);
  background: var(--color-bg-deep);
  padding: 8px 8px 12px;
  max-width: 100%;
  transform: rotate(-1deg);
  transition: transform 0.3s ease;
}

.page-contact__feedback-media:hover {
  transform: rotate(0deg) scale(1.01);
}

.page-contact__feedback-media::before {
  content: "TEAM FILE / 客服在线";
  position: absolute;
  top: -14px;
  right: 20px;
  background: var(--color-accent);
  color: var(--color-bg);
  font-family: var(--font-data);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.25em 0.9em;
  text-transform: uppercase;
  z-index: 2;
}

.page-contact__feedback-media::after {
  content: "";
  position: absolute;
  bottom: 12px;
  left: 12px;
  right: 12px;
  height: 56px;
  background: linear-gradient(180deg, transparent, rgba(10, 14, 23, 0.65));
  z-index: 1;
  pointer-events: none;
}

.page-contact__feedback-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: contrast(1.08) saturate(1.1);
}

.page-contact__feedback-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3);
}

.page-contact__feedback-title {
  margin: 0;
}

.page-contact__feedback-text {
  margin: 0;
  line-height: 1.75;
  color: var(--color-text-dim);
}

.page-contact__feedback-list {
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
}

.page-contact__feedback-list li {
  position: relative;
  padding: var(--space-2) var(--space-2) var(--space-2) var(--space-4);
  border-bottom: 1px solid var(--color-line);
  line-height: 1.5;
  color: var(--color-text);
}

.page-contact__feedback-list li::before {
  content: "›";
  position: absolute;
  left: 0;
  top: 0.15em;
  color: var(--color-accent);
  font-size: 1.4rem;
  line-height: 1.2;
}

.page-contact__feedback-commit {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  border: 1px dashed rgba(200, 255, 0, 0.35);
  padding: var(--space-2) var(--space-3);
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--color-text);
}

.page-contact__feedback-commit-time {
  color: var(--color-accent);
  font-size: 1.5rem;
  font-weight: 700;
}

/* ---------- 相关支持入口 ---------- */
.page-contact__support {
  position: relative;
}

.page-contact__support-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
}

.page-contact__support-card {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr) auto;
  grid-template-rows: 1fr 1fr;
  column-gap: var(--space-2);
  align-items: center;
  text-decoration: none;
  background: var(--color-bg-panel);
  border: 1px solid var(--color-line);
  border-radius: 2px;
  padding: var(--space-3);
  color: var(--color-text);
  min-width: 0;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.page-contact__support-index {
  grid-column: 1;
  grid-row: 1 / 3;
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--color-accent);
}

.page-contact__support-title {
  grid-column: 2;
  grid-row: 1;
  font-weight: 700;
  font-size: 1.05rem;
  align-self: end;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.page-contact__support-desc {
  grid-column: 2;
  grid-row: 2;
  font-size: 0.85rem;
  color: var(--color-text-dim);
  align-self: start;
  line-height: 1.4;
}

.page-contact__support-arrow {
  grid-column: 3;
  grid-row: 1 / 3;
  color: var(--color-text-dim);
  transition: color 0.2s ease, transform 0.2s ease;
}

.page-contact__support-card:hover {
  border-color: var(--color-accent);
  background: var(--color-overlay);
}

.page-contact__support-card:hover .page-contact__support-arrow {
  color: var(--color-accent);
  transform: translateX(4px);
}

/* ---------- 桌面端适配 ---------- */
@media (min-width: 768px) {
  .page-contact__hero {
    flex-direction: row;
    align-items: center;
    gap: var(--space-5);
    padding-top: var(--space-6);
    padding-bottom: var(--space-6);
  }

  .page-contact__hero-copy {
    flex: 1 1 45%;
  }

  .page-contact__hero-figure {
    flex: 1 1 45%;
    margin-top: 0;
  }

  .page-contact__hero-stamp {
    left: -14px;
  }

  .page-contact__channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-3);
  }

  .page-contact__note {
    max-width: 900px;
  }

  .page-contact__feedback-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: var(--space-5);
    align-items: center;
  }

  .page-contact__feedback-media {
    max-width: 520px;
    justify-self: center;
  }

  .page-contact__support-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3);
  }
}

@media (min-width: 1080px) {
  .page-contact__support-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact__support-card {
    min-height: 150px;
  }
}