.page-contact {
  --contact-pad: clamp(4rem, 8vw, 7rem);
  color: var(--color-text);
  background: var(--color-bg);
}

/* 首屏联系主题区 */
.page-contact .contact-hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 560px;
  padding: calc(var(--header-h) + 72px) 0 72px;
  overflow: hidden;
  background: var(--color-dark);
  color: var(--color-white);
}

.page-contact .contact-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.34;
  filter: grayscale(1) contrast(1.08);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(30, 34, 45, 0.82), rgba(30, 34, 45, 0.2) 55%, rgba(30, 34, 45, 0.55)),
    linear-gradient(to top, var(--color-dark) 0%, transparent 42%);
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 2;
  width: 100%;
}

.page-contact .contact-hero__crumb {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 1.6rem;
  font-size: 0.8125rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
}

.page-contact .contact-hero__crumb a {
  color: var(--color-yellow);
  text-decoration: none;
}

.page-contact .contact-hero__crumb span {
  color: rgba(255, 255, 255, 0.35);
}

.page-contact .contact-hero__title {
  margin: 0 0 1.4rem;
  font-family: var(--font-head);
  font-size: clamp(2.5rem, 8vw, 5.2rem);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.03em;
  color: var(--color-white);
}

.page-contact .contact-hero__title-break {
  display: block;
}

.page-contact .contact-hero__lead {
  max-width: 640px;
  margin: 0;
  font-size: clamp(1.0625rem, 2.2vw, 1.375rem);
  line-height: 1.75;
  color: #d7dee5;
}

.page-contact .contact-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.8rem;
  margin: 1.8rem 0 0;
  padding-top: 1.1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-yellow);
}

/* 超大字号联系方式 */
.page-contact .contact-channels {
  padding: var(--contact-pad) 0 clamp(3rem, 6vw, 5rem);
}

.page-contact .contact-channels .index-line {
  margin-bottom: clamp(2rem, 4vw, 3.2rem);
}

.page-contact .contact-channels__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
}

.page-contact .contact-channel {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.9rem;
  padding: clamp(1.8rem, 3.4vw, 2.8rem);
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-left: 4px solid var(--color-orange);
  box-shadow: 0 8px 24px rgba(16, 42, 67, 0.04);
}

.page-contact .contact-channel--mail {
  border-left-color: var(--color-purple);
  background:
    linear-gradient(135deg, rgba(183, 46, 111, 0.05), rgba(0, 85, 255, 0.03)),
    var(--color-white);
}

.page-contact .contact-channel--address {
  border-left-color: var(--color-blue);
}

.page-contact .contact-channel__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  background: var(--color-orange);
  color: var(--color-white);
}

.page-contact .contact-channel--mail .contact-channel__icon {
  width: 100%;
  max-width: 240px;
  height: auto;
  aspect-ratio: 3 / 2;
  background: transparent;
}

.page-contact .contact-channel--mail .contact-channel__icon img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border: 1px solid var(--color-line);
}

.page-contact .contact-channel--address .contact-channel__icon {
  background: var(--color-blue);
}

.page-contact .contact-channel__svg {
  width: 24px;
  height: 24px;
}

.page-contact .contact-channel__label {
  margin-top: 0.6rem;
  font-size: 0.8125rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-orange);
}

.page-contact .contact-channel--mail .contact-channel__label {
  color: var(--color-purple);
}

.page-contact .contact-channel--address .contact-channel__label {
  color: var(--color-blue);
}

.page-contact .contact-channel__value {
  font-family: var(--font-head);
  font-size: clamp(1.7rem, 5vw, 3.2rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-text);
  overflow-wrap: anywhere;
}

.page-contact .contact-channel--address .contact-channel__value {
  font-size: clamp(1.65rem, 4.4vw, 3.4rem);
}

.page-contact .contact-channel__note {
  margin: 0.2rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-text-sub);
  max-width: 58ch;
}

.page-contact .copy-mail {
  margin-top: 0.8rem;
  min-width: 220px;
  border: 1px solid var(--color-line);
  background: var(--color-bg-alt);
}

.page-contact .copy-mail summary {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1rem;
  list-style: none;
  cursor: pointer;
  font-size: 0.8125rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--color-text);
  user-select: none;
}

.page-contact .copy-mail summary::-webkit-details-marker {
  display: none;
}

.page-contact .copy-mail summary::before {
  content: "▣";
  color: var(--color-orange);
  font-size: 1rem;
}

.page-contact .copy-mail[open] summary {
  border-bottom: 1px solid var(--color-line);
}

.page-contact .copy-mail__hint {
  padding: 0.8rem 1rem;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-text-sub);
}

.page-contact .copy-mail__hint span {
  color: var(--color-text);
  font-weight: 700;
}

/* 24 小时服务响应 */
.page-contact .contact-response {
  padding: clamp(3rem, 6vw, 5rem) 0;
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

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

.page-contact .contact-response__num {
  display: inline-block;
  font-family: var(--font-head);
  font-size: clamp(5rem, 16vw, 9rem);
  font-weight: 900;
  line-height: 0.9;
  color: var(--color-purple);
  padding-bottom: 0.25em;
  border-bottom: 4px solid var(--color-purple);
}

.page-contact .contact-response__copy h2 {
  margin: 0 0 1rem;
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--color-text);
}

.page-contact .contact-response__copy p {
  margin: 0 0 1.2rem;
  max-width: 640px;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text-sub);
}

.page-contact .contact-response__copy a {
  color: var(--color-blue);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid var(--color-blue);
}

/* 反馈表单区域 */
.page-contact .contact-form-section {
  padding: var(--contact-pad) 0;
  background:
    linear-gradient(135deg, rgba(183, 46, 111, 0.09), rgba(0, 85, 255, 0.05)),
    var(--color-bg);
}

.page-contact .contact-form-section .index-line {
  margin-bottom: clamp(2rem, 4vw, 3.2rem);
}

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

.page-contact .contact-form {
  background: rgba(255, 255, 255, 0.76);
  padding: clamp(1.6rem, 4vw, 3rem);
  border: 1px solid rgba(183, 46, 111, 0.18);
  border-top: 6px solid var(--color-purple);
  box-shadow: 0 18px 40px rgba(16, 42, 67, 0.05);
}

.page-contact .contact-form__row {
  margin-bottom: 1.7rem;
}

.page-contact .contact-form label {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 0.8125rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--color-text);
}

.page-contact .contact-form input,
.page-contact .contact-form textarea,
.page-contact .contact-form select {
  display: block;
  width: 100%;
  padding: 0.85rem 0;
  border: 0;
  border-bottom: 2px solid var(--color-line);
  border-radius: 0;
  background: transparent;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--color-text);
  appearance: none;
  transition: border-color 0.2s ease;
}

.page-contact .contact-form input:focus,
.page-contact .contact-form textarea:focus,
.page-contact .contact-form select:focus {
  outline: 0;
  border-bottom-color: var(--color-orange);
}

.page-contact .contact-form input::placeholder,
.page-contact .contact-form textarea::placeholder {
  color: #8a9aa8;
}

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

.page-contact .contact-form__actions {
  margin-top: 2rem;
}

.page-contact .contact-form__submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 1rem 1.6rem;
  border: 0;
  background: var(--color-orange);
  color: var(--color-white);
  font-family: var(--font-head);
  font-size: 0.9375rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: filter 0.2s ease, transform 0.2s ease;
}

.page-contact .contact-form__submit:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

.page-contact .contact-form__hint {
  margin: 0.9rem 0 0;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--color-text-sub);
}

.page-contact .contact-form__aside {
  padding: 2rem;
  background: var(--color-dark);
  color: #dde3ea;
}

.page-contact .contact-form__aside h3 {
  margin: 1.6rem 0 0.7rem;
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 800;
  color: var(--color-yellow);
}

.page-contact .contact-form__aside h3:first-child {
  margin-top: 0;
}

.page-contact .contact-form__aside p {
  margin: 0 0 0.9rem;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: #b8c2cc;
}

.page-contact .contact-form__aside-mail {
  display: inline-block;
  margin-top: 0.2rem;
  font-family: var(--font-head);
  font-size: 1.125rem;
  font-weight: 800;
  line-height: 1.4;
  color: var(--color-white);
  overflow-wrap: anywhere;
}

.page-contact .contact-form__aside-link {
  display: inline-block;
  margin-top: 0.2rem;
  color: var(--color-yellow);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 212, 0, 0.5);
}

/* 底部反馈入口 */
.page-contact .contact-feedback {
  position: relative;
  padding: clamp(4rem, 8vw, 6.5rem) 0;
  overflow: hidden;
  background: var(--color-dark);
  color: var(--color-white);
}

.page-contact .contact-feedback::before {
  content: "";
  position: absolute;
  right: -140px;
  top: -120px;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle at 40% 40%, rgba(183, 46, 111, 0.45), transparent 65%);
}

.page-contact .contact-feedback::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-yellow) 0 38%, var(--color-orange) 38% 62%, var(--color-purple) 62%);
}

.page-contact .contact-feedback__inner {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.page-contact .contact-feedback h2 {
  margin: 0 0 1.2rem;
  font-family: var(--font-head);
  font-size: clamp(2rem, 6vw, 3.6rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-white);
}

.page-contact .contact-feedback p {
  margin: 0 0 2rem;
  max-width: 66ch;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: #c6ced7;
}

.page-contact .contact-feedback__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

.page-contact .contact-feedback__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 1.8rem;
  background: var(--color-yellow);
  color: var(--color-text);
  border: 2px solid var(--color-yellow);
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: transform 0.2s ease, filter 0.2s ease;
}

.page-contact .contact-feedback__btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.06);
}

/* 平板及以上：不对称网格与横向排布 */
@media (min-width: 720px) {
  .page-contact .contact-channel--phone {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
  }

  .page-contact .contact-channel--phone .contact-channel__icon {
    margin-right: 0.4rem;
  }
}

@media (min-width: 860px) {
  .page-contact .contact-channels__list {
    grid-template-columns: repeat(12, 1fr);
    gap: 1.6rem;
  }

  .page-contact .contact-channel--phone {
    grid-column: 1 / span 7;
  }

  .page-contact .contact-channel--mail {
    grid-column: 8 / span 5;
  }

  .page-contact .contact-channel--address {
    grid-column: 1 / span 12;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.9rem 1.6rem;
  }

  .page-contact .contact-channel--address .contact-channel__label {
    margin-top: 0.6rem;
  }

  .page-contact .contact-channel--address .contact-channel__note {
    width: 100%;
  }

  .page-contact .contact-response__inner {
    grid-template-columns: 280px 1fr;
    gap: 3rem;
  }

  .page-contact .contact-response__num {
    display: block;
    padding-bottom: 0;
    border-bottom: 0;
    border-right: 4px solid var(--color-purple);
    padding-right: 1.5rem;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-form__layout {
    grid-template-columns: repeat(12, 1fr);
    gap: 2.2rem;
  }

  .page-contact .contact-form {
    grid-column: 1 / span 8;
  }

  .page-contact .contact-form__aside {
    grid-column: 9 / span 4;
  }
}