.page-contact {
  --contact-radius-xl: 32px;
  --contact-radius-lg: 26px;
  --contact-radius-md: 18px;
  --contact-card-bg: linear-gradient(152deg, rgba(30, 58, 95, 0.9), rgba(10, 26, 47, 0.96));
  --contact-input-bg: rgba(7, 18, 32, 0.72);
  --contact-shadow: 0 20px 48px rgba(0, 0, 0, 0.32);
  position: relative;
  background: var(--bg-deep);
  overflow-x: hidden;
}

/* ---------- Hero ---------- */

.page-contact .contact-hero {
  position: relative;
  padding: 72px 0 56px;
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  width: 460px;
  height: 460px;
  right: -140px;
  top: -110px;
  background: radial-gradient(circle, rgba(0, 255, 136, 0.1), transparent 68%);
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent) 34%, var(--accent-2) 68%, transparent 100%);
  clip-path: polygon(0 0, calc(100% - 88px) 0, 100% 6px, 100% 100%, 0 100%);
}

.page-contact .contact-hero__row {
  display: flex;
  flex-direction: column;
  gap: 28px;
  align-items: flex-start;
}

.page-contact .contact-hero__copy {
  max-width: 640px;
}

.page-contact .contact-hero__status {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
  padding: 16px 20px;
  background: rgba(30, 58, 95, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
}

.page-contact .contact-hero__time {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-dim);
  letter-spacing: 0.02em;
}

/* ---------- 联系渠道网格 ---------- */

.page-contact .contact-channels {
  position: relative;
  padding: 64px 0 88px;
}

.page-contact .contact-channels::before {
  content: "";
  position: absolute;
  top: 120px;
  left: -180px;
  width: 420px;
  height: 420px;
  background: linear-gradient(135deg, rgba(0, 255, 136, 0.05), transparent 68%);
  transform: rotate(14deg);
  border-radius: 48px;
  pointer-events: none;
}

.page-contact .contact-channels__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

/* ---------- 左栏：联系方式 ---------- */

.page-contact .contact-channels__aside {
  position: relative;
  min-height: 720px;
}

.page-contact .contact-media {
  position: absolute;
  inset: 0;
  border-radius: var(--contact-radius-xl);
  overflow: hidden;
  isolation: isolate;
}

.page-contact .contact-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
}

.page-contact .contact-media__tint {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 26, 47, 0.38) 0%, rgba(10, 26, 47, 0.72) 46%, rgba(7, 18, 32, 0.96) 100%);
  z-index: 1;
}

.page-contact .contact-cards {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 22px;
  padding: 24px;
}

/* 联系卡片 */

.page-contact .contact-card {
  background: var(--contact-card-bg);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--contact-radius-lg);
  padding: 26px 26px 24px;
  backdrop-filter: blur(14px);
  box-shadow: var(--contact-shadow);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}

.page-contact .contact-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 26px 56px rgba(0, 0, 0, 0.42), 0 0 0 1px rgba(0, 255, 136, 0.16);
  border-color: rgba(0, 255, 136, 0.28);
}

.page-contact .contact-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  margin-bottom: 18px;
  border-radius: 18px;
  background: rgba(0, 255, 136, 0.1);
  color: var(--accent);
}

.page-contact .contact-card__icon svg {
  width: 26px;
  height: 26px;
}

.page-contact .contact-card--hotline .contact-card__icon {
  background: rgba(255, 159, 28, 0.13);
  color: var(--accent-2);
}

.page-contact .contact-card--email .contact-card__icon {
  background: rgba(0, 255, 136, 0.11);
  color: var(--accent);
}

.page-contact .contact-card--address .contact-card__icon {
  background: rgba(230, 240, 255, 0.08);
  color: var(--text-main);
}

.page-contact .contact-card__title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 0 0 8px;
}

.page-contact .contact-card__main {
  display: block;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-main);
  text-decoration: none;
  letter-spacing: -0.02em;
  line-height: 1.35;
  word-break: break-all;
  transition: color 0.25s;
}

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

.page-contact .contact-card--hotline .contact-card__main {
  color: var(--accent-2);
}

.page-contact .contact-card--hotline .contact-card__main:hover {
  color: #ffb854;
}

.page-contact .contact-card__main--text {
  font-family: var(--font-body);
  font-size: 20px;
  font-weight: 700;
  word-break: normal;
}

.page-contact .contact-card__meta {
  font-size: 14px;
  color: var(--text-dim);
  margin: 10px 0 0;
  line-height: 1.5;
}

.page-contact .contact-card__hint {
  font-size: 12px;
  color: rgba(138, 165, 192, 0.72);
  margin: 10px 0 0;
  line-height: 1.5;
}

/* ---------- 右栏：表单 ---------- */

.page-contact .contact-channels__main {
  min-width: 0;
}

.page-contact .contact-form-card {
  background: linear-gradient(165deg, rgba(30, 58, 95, 0.82), rgba(10, 26, 47, 0.97));
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--contact-radius-xl);
  overflow: hidden;
  height: 100%;
  box-shadow: var(--contact-shadow);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.page-contact .contact-form-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 52px rgba(0, 0, 0, 0.38), 0 0 0 1px rgba(0, 255, 136, 0.1);
}

.page-contact .contact-form-card__media {
  position: relative;
  height: 180px;
  overflow: hidden;
}

.page-contact .contact-form-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .contact-form-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 18, 32, 0.1), rgba(10, 26, 47, 0.84));
}

.page-contact .contact-form-card__body {
  padding: 32px 22px 40px;
}

.page-contact .contact-form-card__title {
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 900;
  font-style: italic;
  letter-spacing: 0.01em;
  line-height: 1.2;
  margin: 8px 0 12px;
}

.page-contact .contact-form-card__intro {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-dim);
  margin: 0 0 30px;
  max-width: 48em;
}

/* 表单字段 */

.page-contact .contact-form__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-contact .contact-form__field {
  margin-bottom: 18px;
}

.page-contact .contact-form__row .contact-form__field {
  margin-bottom: 0;
}

.page-contact .contact-form__field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--text-main);
  margin-bottom: 8px;
}

.page-contact .contact-form input,
.page-contact .contact-form select,
.page-contact .contact-form textarea {
  width: 100%;
  background: var(--contact-input-bg);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 15px;
  padding: 14px 16px;
  line-height: 1.5;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.page-contact .contact-form input::placeholder,
.page-contact .contact-form textarea::placeholder {
  color: rgba(138, 165, 192, 0.55);
}

.page-contact .contact-form input:focus,
.page-contact .contact-form select:focus,
.page-contact .contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(7, 18, 32, 0.88);
  box-shadow: 0 0 0 4px rgba(0, 255, 136, 0.14);
}

.page-contact .contact-form select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--text-dim) 50%),
    linear-gradient(135deg, var(--text-dim) 50%, transparent 50%);
  background-position: calc(100% - 22px) 50%, calc(100% - 16px) 50%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  cursor: pointer;
}

.page-contact .contact-form select option {
  background: var(--bg-ultra);
  color: var(--text-main);
}

.page-contact .contact-form textarea {
  resize: vertical;
  min-height: 120px;
}

.page-contact .contact-form__actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  margin-top: 6px;
}

.page-contact .contact-form__hint {
  font-size: 13px;
  color: var(--text-dim);
}

.page-contact .contact-form__privacy {
  font-size: 13px;
  line-height: 1.6;
  color: rgba(138, 165, 192, 0.72);
  margin: 24px 0 0;
}

.page-contact .contact-form__privacy a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 255, 136, 0.3);
  transition: border-color 0.25s;
}

.page-contact .contact-form__privacy a:hover {
  border-color: var(--accent);
}

/* ---------- 商务合作 ---------- */

.page-contact .contact-partner {
  position: relative;
  padding: 64px 0 96px;
}

.page-contact .contact-partner::before {
  content: "";
  position: absolute;
  right: -160px;
  bottom: 40px;
  width: 440px;
  height: 360px;
  background: radial-gradient(circle, rgba(255, 159, 28, 0.07), transparent 70%);
  pointer-events: none;
}

.page-contact .contact-partner__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
}

.page-contact .contact-partner__title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 900;
  font-style: italic;
  line-height: 1.12;
  margin: 10px 0 20px;
  letter-spacing: 0.01em;
}

.page-contact .contact-partner__desc {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-dim);
  max-width: 40em;
  margin: 0 0 24px;
}

.page-contact .contact-partner__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .contact-partner__card {
  position: relative;
  background:
    radial-gradient(130% 150% at 24% 8%, rgba(0, 255, 136, 0.14), transparent 56%),
    linear-gradient(150deg, rgba(30, 58, 95, 0.9), rgba(7, 18, 32, 0.96));
  border: 1px solid rgba(0, 255, 136, 0.16);
  border-radius: var(--contact-radius-xl);
  padding: 40px 32px;
  box-shadow: var(--contact-shadow);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.page-contact .contact-partner__card:hover {
  transform: translateY(-6px);
  box-shadow: 0 28px 60px rgba(0, 0, 0, 0.42);
}

.page-contact .contact-partner__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 32px;
  right: 32px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 2px;
}

.page-contact .contact-partner__card-label {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}

.page-contact .contact-partner__card-mail {
  display: block;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
  text-decoration: none;
  margin: 12px 0 8px;
  word-break: break-all;
  transition: color 0.25s;
}

.page-contact .contact-partner__card-mail:hover {
  color: var(--accent);
}

.page-contact .contact-partner__card-note {
  font-size: 14px;
  color: var(--text-dim);
  margin: 0 0 28px;
}

.page-contact .contact-partner__card-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式增强 ---------- */

@media (max-width: 639px) {
  .page-contact .contact-form__actions .btn,
  .page-contact .contact-partner__card-links .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (min-width: 640px) {
  .page-contact .contact-form-card__body {
    padding: 44px 44px 48px;
  }

  .page-contact .contact-form__row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-form__actions {
    flex-direction: row;
    align-items: center;
    gap: 18px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero {
    padding: 96px 0 72px;
  }

  .page-contact .contact-hero__row {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }

  .page-contact .contact-hero__status {
    align-items: flex-end;
    text-align: right;
    border-radius: var(--radius-lg);
  }

  .page-contact .contact-hero__copy {
    padding-bottom: 8px;
  }

  .page-contact .contact-channels__grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: 44px;
    align-items: stretch;
  }

  .page-contact .contact-channels__aside {
    min-height: auto;
  }

  .page-contact .contact-cards {
    padding: 44px 28px 28px;
  }

  .page-contact .contact-card--email {
    margin-left: 14%;
  }

  .page-contact .contact-card--address {
    margin-left: 6%;
  }

  .page-contact .contact-partner__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 60px;
    align-items: center;
  }
}

@media (min-width: 1200px) {
  .page-contact .contact-channels__grid {
    gap: 64px;
  }
}

/* ---------- 动效偏好 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card,
  .page-contact .contact-form-card,
  .page-contact .contact-partner__card {
    transition: none;
  }

  .page-contact .contact-card:hover,
  .page-contact .contact-form-card:hover,
  .page-contact .contact-partner__card:hover {
    transform: none;
  }
}