.page-contact {
  --contact-alert: #a32b3e;
  background: var(--paper);
  color: var(--ink);
}

.page-contact h2 {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.28;
  color: var(--grape-deep);
  margin: 10px 0 14px;
}

.page-contact .section-lead {
  max-width: 34em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink);
  margin: 0 0 8px;
}

.page-contact a {
  color: var(--vine-deep);
  text-decoration-color: rgba(62, 142, 90, .45);
  text-underline-offset: 3px;
}

.page-contact a:hover {
  color: var(--grape);
  text-decoration-color: var(--grape);
}

/* ============ 首屏 ============ */
.page-contact .contact-hero {
  padding-top: clamp(20px, 3vw, 36px);
  padding-bottom: clamp(36px, 6vw, 72px);
}

.page-contact .breadcrumb {
  margin-bottom: clamp(22px, 3vw, 38px);
}

.page-contact .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
}

.page-contact .hero-lead h1 {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(32px, 4.4vw, 56px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--grape-deep);
  margin: 12px 0 18px;
}

.page-contact .hero-lead__intro {
  max-width: 34em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink);
  margin: 0;
}

.page-contact .channels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: clamp(26px, 3.4vw, 38px);
}

.page-contact .channel {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px 16px;
  padding: 20px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background: var(--card);
  box-shadow: 0 16px 34px -30px rgba(36, 27, 42, .8);
  min-width: 0;
}

.page-contact .channel--mail {
  background: linear-gradient(158deg, var(--card) 55%, var(--mist-purple));
}

.page-contact .channel--phone {
  background: linear-gradient(158deg, var(--card) 55%, var(--mist-green));
}

.page-contact .channel--place {
  background: linear-gradient(158deg, var(--card) 55%, var(--gold-light));
}

.page-contact .channel__icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--grape);
}

.page-contact .channel--phone .channel__icon {
  background: var(--vine);
}

.page-contact .channel--place .channel__icon {
  background: var(--gold);
  color: var(--ink);
}

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

.page-contact .channel__label {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.35;
  color: var(--grape-deep);
  margin: 0 0 6px;
}

.page-contact .channel__value {
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.65;
  color: var(--grape);
  margin: 0 0 8px;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .channel__desc {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
  margin: 0;
}

.page-contact .channel__foot {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}

.page-contact .channel__tag {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--vine-deep);
  background: var(--mist-green);
  border-radius: var(--pill);
  padding: 5px 12px;
}

.page-contact .channel--place .channel__tag {
  color: var(--grape-deep);
  background: var(--gold-light);
}

/* 首屏右侧 */
.page-contact .hero-aside {
  display: grid;
  gap: 20px;
  align-content: start;
}

.page-contact .figure__img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-md);
  object-fit: cover;
}

.page-contact .figure__caption {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  margin-top: 10px;
}

.page-contact .reply-note {
  padding: 20px 22px;
  border-radius: var(--r-md);
  background: linear-gradient(150deg, var(--gold-light), #f5edd5);
  border: 1px solid rgba(201, 162, 39, .35);
}

.page-contact .reply-note p:last-child {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

.page-contact .reply-note__label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--grape);
  margin: 0 0 8px;
}

/* ============ 写信准备 ============ */
.page-contact .prep {
  padding-block: clamp(36px, 6vw, 72px);
}

.page-contact .prep-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
}

.page-contact .prep-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .prep-item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 6px 16px;
  padding: 20px 22px;
  border-radius: var(--r-md);
  background: var(--card);
  border-left: 3px solid var(--vine);
  box-shadow: 0 14px 30px -32px rgba(36, 27, 42, .9);
}

.page-contact .prep-item__no {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: var(--pill);
  background: var(--mist-green);
  color: var(--vine-deep);
  font-family: var(--mono);
  font-size: 15px;
}

.page-contact .prep-item__content {
  min-width: 0;
}

.page-contact .prep-item__title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
  color: var(--grape-deep);
  margin: 6px 0 8px;
}

.page-contact .prep-item__content p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink);
}

.page-contact .prep-aside {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-contact .prep-aside .note {
  background: var(--card);
  border-left: 3px solid var(--gold);
  border-radius: var(--r-sm);
  padding: 16px 18px;
}

.page-contact .prep-aside .note p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
}

/* ============ 合作类型带 ============ */
.page-contact .partners {
  padding-block: clamp(40px, 6vw, 80px);
  border-block: 1px solid var(--line);
  background:
    radial-gradient(circle at 12% 15%, rgba(91, 44, 111, .13), transparent 55%),
    radial-gradient(circle at 88% 85%, rgba(62, 142, 90, .15), transparent 55%),
    var(--card);
}

.page-contact .partners-head {
  max-width: 46em;
  margin-bottom: clamp(26px, 3.5vw, 40px);
}

.page-contact .partner-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.page-contact .partner-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 22px;
  border-radius: 22px;
  background: var(--paper);
  border: 1px solid var(--line-soft);
  box-shadow: 0 18px 36px -34px rgba(36, 27, 42, .95);
  min-width: 0;
}

.page-contact .partner-card__tag {
  align-self: flex-start;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  padding: 5px 12px;
  border-radius: var(--pill);
  background: var(--mist-purple);
  color: var(--grape-deep);
}

.page-contact .partner-card:nth-child(2) .partner-card__tag {
  background: var(--mist-green);
  color: var(--vine-deep);
}

.page-contact .partner-card:nth-child(3) .partner-card__tag {
  background: var(--gold-light);
  color: var(--grape-deep);
}

.page-contact .partner-card:nth-child(4) .partner-card__tag {
  background: var(--mist-purple);
  color: var(--grape-deep);
}

.page-contact .partner-card__title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
  color: var(--grape-deep);
  margin: 0;
}

.page-contact .partner-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--ink);
}

/* ============ 咨询流程 ============ */
.page-contact .flow {
  padding-block: clamp(40px, 6vw, 80px);
}

.page-contact .flow-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
}

.page-contact .flow-intro .note {
  margin-top: 22px;
  padding: 16px 18px;
  border-radius: var(--r-sm);
  background: var(--card);
  border-left: 3px solid var(--gold);
}

.page-contact .flow-intro .note p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
}

.page-contact .timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-contact .timeline::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 12px;
  bottom: 12px;
  width: 1.5px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--vine), var(--grape) 55%, var(--gold));
}

.page-contact .timeline__item {
  position: relative;
  padding: 0 0 26px 46px;
}

.page-contact .timeline__item:last-child {
  padding-bottom: 0;
}

.page-contact .timeline__dot {
  position: absolute;
  left: 4px;
  top: 4px;
  width: 23px;
  height: 23px;
  border-radius: var(--pill);
  background: var(--card);
  border: 2px solid var(--gold);
  box-shadow: 0 0 0 4px rgba(201, 162, 39, .16);
}

.page-contact .timeline__no {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--grape);
  margin: 0 0 4px;
}

.page-contact .timeline__title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
  color: var(--grape-deep);
  margin: 0 0 6px;
}

.page-contact .timeline__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink);
  max-width: 34em;
}

/* ============ 写信区 ============ */
.page-contact .compose {
  padding-block: clamp(40px, 6vw, 80px);
}

.page-contact .compose-card {
  max-width: 760px;
  margin-inline: auto;
  padding: clamp(24px, 4vw, 48px);
  border-radius: var(--r-lg);
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: 0 34px 64px -56px rgba(36, 27, 42, 1);
}

.page-contact .compose-fields {
  margin-top: 26px;
}

.page-contact .field {
  display: grid;
  gap: 8px;
  margin-bottom: 22px;
}

.page-contact .field__label {
  font-size: 15px;
  font-weight: 500;
  color: var(--grape-deep);
  line-height: 1.5;
}

.page-contact .field__req {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--grape-deep);
  background: var(--gold-light);
  border-radius: var(--pill);
  padding: 2px 8px;
  margin-left: 6px;
  vertical-align: 2px;
}

.page-contact .field__input,
.page-contact .field__select,
.page-contact .field__textarea {
  width: 100%;
  box-sizing: border-box;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 14px;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .field__textarea {
  resize: vertical;
  min-height: 132px;
}

.page-contact .field__input:focus,
.page-contact .field__select:focus,
.page-contact .field__textarea:focus {
  outline: none;
  border-color: var(--vine);
  box-shadow: 0 0 0 3px rgba(62, 142, 90, .18);
}

.page-contact .field__input:not(:placeholder-shown):invalid,
.page-contact .field__textarea:not(:placeholder-shown):invalid {
  border-color: var(--contact-alert);
  background: #fdf5f4;
}

.page-contact .field__hint {
  display: none;
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--contact-alert);
}

.page-contact .field__input:not(:placeholder-shown):invalid ~ .field__hint,
.page-contact .field__textarea:not(:placeholder-shown):invalid ~ .field__hint {
  display: block;
}

.page-contact .compose-foot {
  margin-top: 10px;
  padding-top: 20px;
  border-top: 1px dashed var(--line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 20px;
}

.page-contact .compose-foot p {
  flex: 1 1 320px;
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
}

.page-contact .compose-mail {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--grape-deep);
  background: var(--gold-light);
  border-radius: var(--pill);
  padding: 3px 10px;
  overflow-wrap: anywhere;
}

/* ============ 响应式 ============ */
@media (min-width: 760px) {
  .page-contact .partner-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .partner-card:nth-child(even) {
    margin-top: 22px;
  }
}

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .prep-grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-contact .flow-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-contact .flow-intro {
    position: sticky;
    top: 108px;
  }
}

@media (min-width: 1120px) {
  .page-contact .partner-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .partner-card:nth-child(2) {
    margin-top: 30px;
  }

  .page-contact .partner-card:nth-child(3) {
    margin-top: 12px;
  }

  .page-contact .partner-card:nth-child(4) {
    margin-top: 42px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .field__input,
  .page-contact .field__select,
  .page-contact .field__textarea {
    transition: none;
  }
}