.page-contact {
  --contact-fire: #FF4D00;
  --contact-space: #0A1E3F;
  --contact-ink: #16324F;
  --contact-paper: #F7F2E9;
  --contact-silver: #C0C7D1;
  --contact-silver-light: #E5E9EF;
  --contact-text: #1A1A1A;
  --contact-night: #DBE4F0;
  background:
    radial-gradient(circle at 12% 8%, rgba(255, 77, 0, 0.06) 0, transparent 280px),
    linear-gradient(180deg, var(--contact-paper) 0%, #FFFFFF 32%, var(--contact-paper) 100%);
  overflow-x: hidden;
}

/* ---------- 信号站：联系卡片 ---------- */
.page-contact .contact-station {
  padding: 1.5rem 0 var(--space-lg);
  position: relative;
}

.page-contact .contact-station::after {
  content: "";
  position: absolute;
  top: 120px;
  right: -80px;
  width: 220px;
  height: 220px;
  border: 1px solid rgba(10, 30, 63, 0.08);
  border-radius: 50%;
  pointer-events: none;
}

.page-contact .contact-station__top {
  margin-bottom: 1.75rem;
  position: relative;
  z-index: 1;
}

.page-contact .contact-station__kicker,
.page-contact .contact-feedback__kicker {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--contact-fire);
  text-transform: uppercase;
  margin: 0 0 0.5rem;
}

.page-contact .contact-station__title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  line-height: 1.05;
  color: var(--contact-space);
  margin: 0 0 1rem;
  font-style: italic;
  letter-spacing: -0.02em;
}

.page-contact .contact-station__intro {
  max-width: 640px;
  color: var(--contact-text);
  font-size: 1rem;
  line-height: 1.65;
  margin: 0;
}

.page-contact .contact-station__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  align-items: stretch;
}

/* 左侧深蓝主卡 */
.page-contact .contact-station__primary {
  background: linear-gradient(135deg, var(--contact-space) 0%, var(--contact-ink) 100%);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  color: var(--contact-night);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lift);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 320px;
}

.page-contact .contact-station__primary::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 110px;
  height: 6px;
  background: linear-gradient(90deg, var(--contact-fire), var(--color-fire-grad));
  transform: skewX(-24deg) translateX(28px);
}

.page-contact .contact-station__wave {
  position: absolute;
  right: -8px;
  bottom: 8px;
  width: 160px;
  height: 90px;
  opacity: 0.85;
  pointer-events: none;
}

.page-contact .contact-station__subtitle {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-white);
  margin: 0 0 1.1rem;
}

.page-contact .contact-station__channels {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
  display: grid;
  gap: 0.875rem;
}

.page-contact .contact-station__channel {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(192, 199, 209, 0.35);
  border-radius: var(--radius-md);
  padding: 0.875rem 1rem;
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
}

.page-contact .contact-station__channel:hover {
  transform: translateY(-2px) rotate(-0.5deg);
  border-color: var(--contact-fire);
  box-shadow: 0 4px 20px rgba(255, 77, 0, 0.28);
  background: rgba(255, 255, 255, 0.12);
}

.page-contact .contact-station__channel-tag {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--color-fire-grad);
  min-width: 4em;
  flex-shrink: 0;
}

.page-contact .contact-station__channel-value {
  color: var(--color-white);
  font-family: var(--font-mono);
  font-size: 0.94rem;
  text-decoration: none;
  word-break: break-all;
  line-height: 1.45;
  transition: color 0.2s ease;
}

.page-contact .contact-station__channel-value:hover {
  color: var(--color-fire-grad);
}

.page-contact .contact-station__copy {
  margin-left: auto;
  flex-shrink: 0;
  border: 1px solid rgba(192, 199, 209, 0.5);
  background: transparent;
  color: var(--contact-silver);
  font-size: 0.75rem;
  border-radius: var(--radius-pill);
  padding: 0.35rem 0.75rem;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-contact .contact-station__copy:hover {
  background: var(--contact-fire);
  border-color: var(--contact-fire);
  color: #ffffff;
}

.page-contact .contact-station__address {
  border-top: 1px solid rgba(192, 199, 209, 0.25);
  padding-top: 1rem;
  position: relative;
  z-index: 1;
}

.page-contact .contact-station__address-text {
  margin: 0.25rem 0 0.25rem;
  color: var(--color-white);
  font-size: 0.95rem;
  line-height: 1.6;
}

.page-contact .contact-station__address-note {
  margin: 0;
  font-size: 0.8rem;
  color: var(--contact-night);
  opacity: 0.75;
}

/* 右上工作时间卡 */
.page-contact .contact-station__hours {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--contact-silver-light);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.page-contact .contact-station__hours::before {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: 56px;
  height: 56px;
  background: var(--contact-fire);
  clip-path: polygon(100% 0, 100% 100%, 0 0);
  opacity: 0.92;
}

.page-contact .contact-station__hours-kicker {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--contact-fire);
  text-transform: uppercase;
  margin: 0 0 0.4rem;
}

.page-contact .contact-station__hours-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--contact-space);
  margin: 0 0 1rem;
}

.page-contact .contact-station__hours-list {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-contact .contact-station__hours-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
  border-bottom: 1px dashed var(--contact-silver-light);
  padding-bottom: 0.65rem;
}

.page-contact .contact-station__hours-item dt {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--contact-text);
}

.page-contact .contact-station__hours-item dd {
  margin: 0;
  font-size: 0.85rem;
  font-family: var(--font-mono);
  color: var(--contact-space);
  white-space: nowrap;
}

.page-contact .contact-station__hours-note {
  margin: 1.1rem 0 0;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--contact-text);
  background: var(--contact-silver-light);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.8rem;
  word-break: break-all;
}

/* 右下信号图 */
.page-contact .contact-station__signal {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  clip-path: polygon(4% 0, 100% 0, 100% 100%, 0 100%);
  filter: drop-shadow(0 8px 24px rgba(10, 30, 63, 0.18));
  background: var(--contact-space);
}

.page-contact .contact-station__signal-img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 220px;
  object-fit: cover;
}

.page-contact .contact-station__signal-caption {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: #ffffff;
  background: rgba(10, 30, 63, 0.78);
  border-radius: var(--radius-pill);
  padding: 0.4rem 0.9rem;
  backdrop-filter: blur(4px);
}

/* ---------- 反馈留言 ---------- */
.page-contact .contact-feedback {
  background: linear-gradient(180deg, var(--contact-paper) 0%, var(--contact-silver-light) 100%);
  padding: var(--space-lg) 0;
  position: relative;
}

.page-contact .contact-feedback::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--contact-fire), var(--color-fire-grad), var(--contact-space));
}

.page-contact .contact-feedback__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: start;
}

.page-contact .contact-feedback__title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  line-height: 1.15;
  color: var(--contact-space);
  margin: 0 0 0.75rem;
  font-style: italic;
}

.page-contact .contact-feedback__desc {
  color: var(--contact-text);
  font-size: 0.95rem;
  line-height: 1.65;
  margin: 0 0 1.25rem;
  max-width: 480px;
}

.page-contact .contact-feedback__response {
  background: var(--contact-space);
  color: var(--contact-night);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.4rem 1.35rem;
  clip-path: polygon(0 0, 100% 0, 100% 86%, 92% 100%, 0 100%);
  position: relative;
}

.page-contact .contact-feedback__response::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 42px;
  height: 42px;
  background: var(--contact-fire);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
  opacity: 0.7;
}

.page-contact .contact-feedback__response-tag {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--color-fire-grad);
  display: block;
  margin-bottom: 0.4rem;
}

.page-contact .contact-feedback__response-text {
  margin: 0 0 0.4rem;
  color: #ffffff;
  font-size: 0.95rem;
  font-weight: 600;
}

.page-contact .contact-feedback__response-note {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.6;
  opacity: 0.82;
}

.page-contact .contact-feedback__image {
  margin: 1.5rem 0 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--contact-silver-light);
  box-shadow: var(--shadow-card);
  transform: rotate(-1deg);
}

.page-contact .contact-feedback__image-img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 200px;
  object-fit: cover;
}

/* 右侧邮件草稿卡 */
.page-contact .contact-feedback__composer {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lift);
  padding: 1.75rem 1.5rem 1.5rem;
  border-top: 5px solid var(--contact-fire);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.page-contact .contact-feedback__composer-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  margin-bottom: 0.5rem;
}

.page-contact .contact-feedback__composer-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--contact-fire);
  background: rgba(255, 77, 0, 0.08);
  border-radius: var(--radius-pill);
  padding: 0.4rem 0.85rem;
  word-break: break-all;
}

.page-contact .contact-feedback__online {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--contact-space);
  background: var(--contact-silver-light);
  border-radius: var(--radius-pill);
  padding: 0.35rem 0.75rem;
  white-space: nowrap;
}

.page-contact .contact-feedback__label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--contact-text);
  margin-top: 0.6rem;
}

.page-contact .contact-feedback__select,
.page-contact .contact-feedback__textarea,
.page-contact .contact-feedback__input {
  width: 100%;
  border: 1px solid var(--contact-silver);
  border-radius: var(--radius-sm);
  padding: 0.7rem 0.9rem;
  font-size: 1rem;
  font-family: var(--font-body);
  background: var(--contact-silver-light);
  color: var(--contact-text);
  box-sizing: border-box;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.page-contact .contact-feedback__select:focus,
.page-contact .contact-feedback__textarea:focus,
.page-contact .contact-feedback__input:focus {
  outline: none;
  border-color: var(--contact-fire);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(255, 77, 0, 0.14);
}

.page-contact .contact-feedback__textarea {
  resize: vertical;
  min-height: 122px;
}

.page-contact .contact-feedback__submit {
  margin-top: 1rem;
  align-self: flex-start;
  text-decoration: none;
}

.page-contact .contact-feedback__hint {
  font-size: 0.75rem;
  color: #6a7480;
  margin: 0.4rem 0 0;
}

/* ---------- 常见支持渠道索引 ---------- */
.page-contact .contact-support {
  padding: var(--space-lg) 0;
}

.page-contact .contact-support .section-desc {
  max-width: 720px;
}

.page-contact .contact-support__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-contact .contact-support__card {
  display: block;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--contact-silver-light);
  box-shadow: var(--shadow-card);
  padding: 1.5rem;
  color: var(--contact-text);
  text-decoration: none;
  transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
  position: relative;
  overflow: hidden;
  height: 100%;
  box-sizing: border-box;
}

.page-contact .contact-support__card::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 48px;
  height: 48px;
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
  background: linear-gradient(135deg, var(--contact-fire), var(--color-fire-grad));
  opacity: 0.14;
  transition: opacity 0.24s ease;
}

.page-contact .contact-support__card:hover {
  transform: translateY(-3px) rotate(0.3deg);
  box-shadow: var(--shadow-lift);
  border-color: var(--contact-fire);
}

.page-contact .contact-support__card:hover::after {
  opacity: 0.34;
}

.page-contact .contact-support__code {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--contact-fire);
  display: block;
  margin-bottom: 0.7rem;
}

.page-contact .contact-support__name {
  display: block;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--contact-space);
  margin-bottom: 0.45rem;
}

.page-contact .contact-support__desc {
  display: block;
  font-size: 0.875rem;
  color: #5a6472;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.page-contact .contact-support__more {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--contact-fire);
  font-weight: 600;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.page-contact .contact-support__card:hover .contact-support__more {
  border-bottom-color: var(--contact-fire);
}

/* ---------- 桌面端网格 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-feedback__grid {
    grid-template-columns: 5fr 7fr;
    gap: 2.5rem;
  }

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

@media (min-width: 900px) {
  .page-contact .contact-station__grid {
    grid-template-columns: repeat(12, 1fr);
    grid-auto-rows: auto;
    gap: 1.5rem;
  }

  .page-contact .contact-station__primary {
    grid-column: 1 / 8;
    grid-row: 1 / 3;
    min-height: 420px;
  }

  .page-contact .contact-station__hours {
    grid-column: 8 / 13;
    grid-row: 1 / 2;
  }

  .page-contact .contact-station__signal {
    grid-column: 8 / 13;
    grid-row: 2 / 3;
    height: calc(100% - var(--space-md));
  }

  .page-contact .contact-station__signal-img {
    min-height: 260px;
  }

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

  .page-contact .contact-feedback__composer {
    padding: 2rem 2rem 1.75rem;
  }

  .page-contact .contact-station__title {
    font-size: clamp(2.6rem, 4vw, 3.6rem);
  }
}