.page-contact {
  --contact-hero-deep: #1c0f28;
  --contact-dark-teal: #0d3a48;
  --contact-mint-soft: rgba(78, 205, 196, 0.14);
  --contact-lake-soft: rgba(69, 183, 209, 0.16);
  --contact-coral-soft: rgba(255, 107, 107, 0.14);
  --contact-grid: rgba(255, 255, 255, 0.05);
  background: var(--color-bg);
  color: var(--color-text);
}

/* ===== Hero 区 ===== */
.contact-hero {
  position: relative;
  padding: 30px 0 48px;
  background:
    radial-gradient(ellipse 80% 60% at 92% 0%, var(--contact-lake-soft), transparent 62%),
    radial-gradient(ellipse 55% 45% at 0% 100%, var(--contact-mint-soft), transparent 60%),
    linear-gradient(155deg, var(--color-bg-deep) 0%, var(--color-bg) 60%, var(--color-bg) 100%);
  border-bottom: 3px solid var(--color-lake);
  overflow: hidden;
}

.contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 20px 20px;
  pointer-events: none;
}

.contact-hero::after {
  content: "";
  position: absolute;
  right: -36px;
  bottom: -20px;
  width: 120px;
  height: 120px;
  border-radius: 24px;
  transform: rotate(18deg);
  background: linear-gradient(135deg, var(--color-mint), var(--color-lake));
  opacity: 0.2;
  pointer-events: none;
}

.contact-hero .container {
  position: relative;
  z-index: 2;
}

.contact-hero-grid {
  display: grid;
  gap: 28px;
  margin-top: 30px;
}

.contact-hero-kicker {
  display: inline-block;
  font-family: var(--font-tag);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--color-mint);
  background: var(--contact-mint-soft);
  border: 1px solid rgba(78, 205, 196, 0.25);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.contact-hero h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 36px;
  line-height: 1.12;
  color: #fff;
  margin: 0 0 14px;
  letter-spacing: 0.02em;
}

.contact-hero-desc {
  font-size: 15px;
  line-height: 1.75;
  color: rgba(224, 224, 224, 0.88);
  max-width: 660px;
  margin-bottom: 18px;
}

.contact-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.contact-hero-aside {
  min-width: 0;
}

.contact-hero-batch {
  background: linear-gradient(135deg, var(--color-yellow) 0%, #ffd75e 60%, #ffc400 100%);
  color: var(--color-text-dark);
  border-radius: 16px;
  padding: 22px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.contact-hero-batch::before {
  content: "";
  position: absolute;
  right: -28px;
  top: -28px;
  width: 90px;
  height: 90px;
  border: 2px solid rgba(30, 30, 30, 0.12);
  border-radius: 22px;
  transform: rotate(24deg);
}

.contact-batch-top {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 4px;
}

.contact-batch-number {
  font-family: var(--font-head);
  font-size: 30px;
  font-weight: 900;
  display: block;
  margin: 4px 0 6px;
  letter-spacing: 0.01em;
}

.contact-batch-stamp {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  background: rgba(30, 30, 30, 0.1);
  border-radius: 999px;
  padding: 4px 10px;
  margin-bottom: 14px;
}

.contact-batch-list {
  list-style: none;
  margin: 0;
  padding: 14px 0 0;
  border-top: 2px solid rgba(30, 30, 30, 0.14);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 16px;
}

.contact-batch-list li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.contact-batch-label {
  font-size: 12px;
  opacity: 0.72;
}

.contact-batch-list strong {
  font-size: 18px;
  font-weight: 800;
  white-space: nowrap;
}

/* ===== 反馈条目索引 ===== */
.contact-topics {
  background: linear-gradient(180deg, var(--color-bg-deep) 0%, var(--color-bg) 100%);
  padding: 48px 0;
}

.contact-topic-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 6px;
}

/* ===== 联系方式卡片 ===== */
.contact-channels {
  background:
    radial-gradient(ellipse 50% 40% at 10% 20%, rgba(69, 183, 209, 0.08), transparent 60%),
    linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-deep) 100%);
  padding: 48px 0;
}

.contact-card-grid {
  display: grid;
  gap: 16px;
  padding-top: 8px;
}

.contact-info-card {
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  color: var(--color-text-dark);
  box-shadow: 0 6px 0 rgba(0, 0, 0, 0.25);
  min-width: 0;
}

.contact-info-card::after {
  content: "";
  position: absolute;
  right: -14px;
  top: -14px;
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
}

.contact-info-card--email {
  background: linear-gradient(145deg, var(--color-mint) 0%, #39b7ad 100%);
}

.contact-info-card--phone {
  background: linear-gradient(145deg, var(--color-lake) 0%, #2f9ec4 100%);
}

.contact-info-card--address {
  background: linear-gradient(145deg, var(--color-coral) 0%, #f05b54 100%);
}

.contact-card-pattern {
  position: absolute;
  right: -40px;
  bottom: -40px;
  width: 150px;
  height: 150px;
  opacity: 0.16;
  pointer-events: none;
  transform: rotate(8deg);
  z-index: 0;
}

.contact-card-pattern img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
}

.contact-card-icon {
  position: relative;
  z-index: 1;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.38);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 900;
  flex-shrink: 0;
}

.contact-card-head {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.contact-card-head h3 {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 800;
  margin: 0;
}

.contact-card-value {
  position: relative;
  z-index: 1;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 800;
  color: var(--color-text-dark);
  text-decoration: none;
  word-break: break-all;
  line-height: 1.35;
}

.contact-card-value--text {
  word-break: break-word;
}

.contact-info-card--address .contact-card-value--text {
  font-size: 17px;
}

.contact-card-desc {
  position: relative;
  z-index: 1;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(30, 30, 30, 0.78);
  margin: 0;
}

.contact-card-foot {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid rgba(30, 30, 30, 0.16);
  padding-top: 12px;
  margin-top: auto;
}

.contact-card-foot-label {
  font-size: 12px;
  font-weight: 700;
  color: rgba(30, 30, 30, 0.62);
}

.contact-card-foot-value {
  font-size: 13px;
  font-weight: 800;
  color: var(--color-text-dark);
  text-align: right;
}

/* ===== 反馈处理流程 ===== */
.contact-flow {
  background:
    radial-gradient(ellipse 60% 50% at 100% 0%, rgba(69, 183, 209, 0.14), transparent 60%),
    var(--color-bg-alt);
  padding: 48px 0;
  position: relative;
  overflow: hidden;
}

.contact-flow::before {
  content: "";
  position: absolute;
  left: -60px;
  bottom: -60px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(78, 205, 196, 0.05);
}

.contact-flow .container {
  position: relative;
  z-index: 1;
}

.contact-flow-grid {
  display: grid;
  gap: 28px;
  align-items: start;
  padding-top: 8px;
}

.contact-flow-steps {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.flow-step {
  display: flex;
  gap: 16px;
  background: rgba(255, 255, 255, 0.045);
  border-left: 4px solid var(--color-mint);
  border-radius: 12px;
  padding: 20px 18px;
}

.flow-step:nth-child(1) {
  border-left-color: var(--color-mint);
}

.flow-step:nth-child(2) {
  border-left-color: var(--color-lake);
}

.flow-step:nth-child(3) {
  border-left-color: var(--color-gold);
}

.flow-step-num {
  font-family: var(--font-head);
  font-size: 34px;
  font-weight: 900;
  line-height: 1;
  flex-shrink: 0;
  min-width: 52px;
  color: var(--color-mint);
}

.flow-step:nth-child(1) .flow-step-num {
  color: var(--color-mint);
}

.flow-step:nth-child(2) .flow-step-num {
  color: var(--color-lake);
}

.flow-step:nth-child(3) .flow-step-num {
  color: var(--color-gold);
}

.flow-step-body {
  min-width: 0;
}

.flow-step-body h3 {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  margin: 0 0 8px;
}

.flow-step-body p {
  font-size: 14px;
  line-height: 1.65;
  color: rgba(224, 224, 224, 0.88);
  margin: 0 0 10px;
}

.flow-step-points {
  margin: 0;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(224, 224, 224, 0.72);
}

.flow-step-points li + li {
  margin-top: 4px;
}

.flow-figure {
  margin: 0;
  background: rgba(255, 255, 255, 0.05);
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 12px;
}

.flow-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 10px;
  background: var(--contact-dark-teal);
}

.flow-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  font-weight: 600;
  color: rgba(224, 224, 224, 0.75);
  text-align: center;
}

/* ===== 反馈处理参数 ===== */
.contact-capacity {
  background: linear-gradient(180deg, var(--color-bg-deep) 0%, var(--color-bg) 100%);
  padding: 48px 0;
}

.contact-capacity-grid {
  display: grid;
  gap: 14px;
  padding-top: 8px;
}

.capacity-card {
  background: rgba(255, 255, 255, 0.055);
  border-top: 4px solid var(--color-green);
  border-radius: 14px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

.capacity-card--green {
  border-top-color: var(--color-green);
}

.capacity-card--lake {
  border-top-color: var(--color-lake);
}

.capacity-card--mint {
  border-top-color: var(--color-mint);
}

.capacity-card--coral {
  border-top-color: var(--color-coral);
}

.capacity-value {
  font-family: var(--font-head);
  font-size: 26px;
  font-weight: 900;
  color: #fff;
  line-height: 1.2;
  display: block;
}

.capacity-card .metric-bar {
  margin-top: 2px;
}

.capacity-note {
  font-size: 12px;
  color: rgba(224, 224, 224, 0.6);
  line-height: 1.5;
  display: block;
}

/* ===== 相关入口 ===== */
.contact-related {
  background:
    radial-gradient(ellipse 40% 50% at 0% 100%, rgba(78, 205, 196, 0.1), transparent 60%),
    linear-gradient(180deg, var(--color-bg-alt) 0%, #0e4050 100%);
  padding: 48px 0;
}

.contact-link-grid {
  display: grid;
  gap: 14px;
  padding-top: 8px;
}

.contact-link-card {
  display: flex;
  flex-direction: column;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-bottom-width: 3px;
  border-radius: 16px;
  padding: 22px;
  text-decoration: none;
  color: var(--color-text);
  position: relative;
  min-width: 0;
  transition: border-color 0.25s, background-color 0.25s, transform 0.2s;
}

.contact-link-card--mint {
  border-bottom-color: var(--color-mint);
}

.contact-link-card--lake {
  border-bottom-color: var(--color-lake);
}

.contact-link-card--coral {
  border-bottom-color: var(--color-coral);
}

.contact-link-card:hover,
.contact-link-card:focus-visible {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-3px);
  border-bottom-width: 3px;
}

.contact-link-index {
  font-family: var(--font-tag);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--color-mint);
  margin-bottom: 10px;
}

.contact-link-card--lake .contact-link-index {
  color: var(--color-lake);
}

.contact-link-card--coral .contact-link-index {
  color: var(--color-coral);
}

.contact-link-card h3 {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  margin: 0 0 10px;
}

.contact-link-card p {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(224, 224, 224, 0.78);
  margin: 0 0 14px;
  flex: 1;
}

.contact-link-arrow {
  font-size: 22px;
  font-weight: 900;
  color: var(--color-accent);
  text-align: right;
  line-height: 1;
}

/* ===== 媒体查询 · 平板 ===== */
@media (min-width: 768px) {
  .contact-hero-grid {
    grid-template-columns: 1fr 300px;
    align-items: center;
  }

  .contact-card-grid {
    grid-template-columns: 1fr 1fr;
  }

  .contact-card-grid .contact-info-card--address {
    grid-column: span 2;
  }

  .contact-flow-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .contact-capacity-grid {
    grid-template-columns: 1fr 1fr;
  }

  .contact-link-grid {
    grid-template-columns: 1fr 1fr;
  }

  .contact-link-card:last-child {
    grid-column: span 2;
  }
}

/* ===== 媒体查询 · 桌面 ===== */
@media (min-width: 992px) {
  .contact-hero {
    padding: 40px 0 56px;
  }

  .contact-hero h1 {
    font-size: 42px;
  }

  .contact-hero-desc {
    font-size: 16px;
  }

  .contact-hero-grid {
    grid-template-columns: 1fr 360px;
    gap: 40px;
  }

  .contact-topics {
    padding: 56px 0;
  }

  .contact-channels {
    padding: 56px 0;
  }

  .contact-card-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .contact-card-grid .contact-info-card--address {
    grid-column: auto;
  }

  .contact-flow {
    padding: 56px 0;
  }

  .contact-flow-grid {
    grid-template-columns: 1fr 420px;
    gap: 40px;
    align-items: center;
  }

  .contact-capacity {
    padding: 56px 0;
  }

  .contact-capacity-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .contact-related {
    padding: 56px 0;
  }

  .contact-link-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .contact-link-card:last-child {
    grid-column: auto;
  }
}