.page-contact {
  --pc-cut: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
  --pc-cut-sm: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: 0.01em;
  overflow-x: hidden;
}

.page-contact,
.page-contact * {
  box-sizing: border-box;
}

.page-contact a:focus-visible,
.page-contact input:focus-visible,
.page-contact label:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

/* 面包屑 */
.page-contact .breadcrumbs {
  max-width: calc(var(--wrap) + var(--gutter) * 2);
  margin-inline: auto;
  padding: 1.1rem var(--gutter) 0;
}

.page-contact .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-contact .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 0.45rem;
  color: var(--stone);
}

.page-contact .breadcrumb-link {
  color: var(--ink-mid);
  text-decoration: none;
  border-bottom: 1px solid var(--hair-ink);
}

.page-contact .breadcrumb-link:hover {
  color: var(--cinnabar);
}

/* 首屏 */
.page-contact .contact-hero {
  position: relative;
  display: grid;
  gap: 1.8rem;
  margin-top: 1rem;
  padding: clamp(1.9rem, 6vw, 3.6rem) var(--gutter) clamp(2.4rem, 7vw, 4.4rem);
  background:
    radial-gradient(120% 95% at 88% 8%, rgba(223, 162, 58, 0.26), transparent 62%),
    radial-gradient(90% 70% at 8% 100%, rgba(110, 145, 140, 0.28), transparent 70%),
    linear-gradient(158deg, var(--ink-deep), var(--ink-mid) 72%);
  color: var(--paper);
  clip-path: var(--pc-cut);
}

.page-contact .kicker {
  margin: 0 0 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cinnabar);
}

.page-contact .contact-hero .kicker {
  color: var(--amber);
}

.page-contact .contact-hero__copy {
  position: relative;
  z-index: 1;
  max-width: 44rem;
}

.page-contact .contact-hero h1 {
  margin: 0 0 1.1rem;
  font-size: clamp(2rem, 8vw, 4.4rem);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: 0.02em;
}

.page-contact .contact-hero__lead {
  margin: 0 0 1.5rem;
  max-width: 38rem;
  font-size: clamp(0.94rem, 2.4vw, 1.06rem);
  line-height: 1.9;
  color: rgba(244, 235, 221, 0.86);
}

.page-contact .contact-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.page-contact .tag {
  display: inline-flex;
  align-items: center;
  padding: 0.32rem 0.7rem;
  border: 1px solid rgba(244, 235, 221, 0.3);
  background: transparent;
  color: rgba(244, 235, 221, 0.9);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  line-height: 1.5;
}

.page-contact .tag--amber {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink-deep);
  font-weight: 700;
}

.page-contact .contact-hero__figure {
  margin: 0;
  clip-path: var(--pc-cut);
  overflow: hidden;
}

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-height: 300px;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.04);
  opacity: 0.88;
}

/* 通用章节头 */
.page-contact .section-head {
  max-width: 44rem;
  margin-bottom: clamp(1.4rem, 4vw, 2.4rem);
}

.page-contact .section-title {
  margin: 0 0 0.7rem;
  font-size: clamp(1.45rem, 4.6vw, 2.45rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: 0.02em;
  color: var(--ink-deep);
}

.page-contact .section-note {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.85;
  color: #3a4a47;
}

/* 渠道 */
.page-contact .contact-channels {
  width: 100%;
  max-width: calc(var(--wrap) + var(--gutter) * 2);
  margin-inline: auto;
  padding: clamp(2.4rem, 7vw, 4.4rem) var(--gutter);
}

.page-contact .channel-grid {
  display: grid;
  gap: 1px;
  background: var(--hair-ink);
  border-top: 3px solid var(--ink-deep);
  border-bottom: 1px solid var(--hair-ink);
}

.page-contact .channel {
  padding: clamp(1.2rem, 4vw, 1.9rem);
  background: var(--cream);
  transition: background 0.3s var(--ease);
}

.page-contact .channel:hover {
  background: #fff;
}

.page-contact .channel__label {
  margin: 0 0 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-contact .channel__value {
  display: block;
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(1rem, 4.4vw, 1.5rem);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--ink-deep);
  text-decoration: none;
  overflow-wrap: anywhere;
}

.page-contact .channel--mail .channel__value {
  font-size: clamp(0.84rem, 3.6vw, 1.28rem);
}

.page-contact .channel--addr .channel__value {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.01em;
}

.page-contact a.channel__value:hover {
  color: var(--cinnabar);
}

.page-contact .channel__note {
  margin: 0.75rem 0 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: #3a4a47;
}

/* 反馈准备 */
.page-contact .feedback {
  width: 100%;
  max-width: calc(var(--wrap) + var(--gutter) * 2);
  margin-inline: auto;
  padding: 0 var(--gutter) clamp(2.4rem, 7vw, 4.4rem);
}

.page-contact .feedback__grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.6rem);
  padding-top: clamp(1.8rem, 5vw, 2.8rem);
  border-top: 1px solid var(--hair-ink);
}

.page-contact .feedback__lead {
  margin: 0 0 1.1rem;
  font-size: 0.95rem;
  line-height: 1.9;
  color: #3a4a47;
}

.page-contact .checklist {
  display: grid;
  gap: 0.5rem;
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}

.page-contact .checklist__item {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  padding: 0.6rem 0.85rem;
  background: var(--cream);
  border-left: 3px solid var(--mist);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-contact .checklist__item:has(.checklist__box:checked) {
  border-left-color: var(--amber);
  background: #fff;
}

.page-contact .checklist__box {
  flex: none;
  width: 1rem;
  height: 1rem;
  margin: 0.42rem 0 0;
  accent-color: var(--amber);
}

.page-contact .checklist__item label {
  font-size: 0.92rem;
  line-height: 1.7;
  cursor: pointer;
}

.page-contact .feedback__hint {
  margin: 0;
  padding-left: 0.9rem;
  border-left: 2px solid var(--amber);
  font-size: 0.86rem;
  line-height: 1.8;
  color: #3a4a47;
}

.page-contact .media-figure {
  margin: 0;
}

.page-contact .media-frame {
  overflow: hidden;
  clip-path: var(--pc-cut);
  background: var(--mist);
}

.page-contact .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .media-caption {
  margin: 0.7rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--stone);
}

/* 合作 */
.page-contact .partner {
  background: var(--ink-mid);
  color: var(--paper);
  clip-path: var(--pc-cut);
}

.page-contact .partner__inner {
  max-width: calc(var(--wrap) + var(--gutter) * 2);
  margin-inline: auto;
  padding: clamp(2.4rem, 7vw, 4.4rem) var(--gutter);
}

.page-contact .partner .kicker {
  color: var(--amber);
}

.page-contact .partner .section-title {
  color: var(--paper);
}

.page-contact .partner .section-note {
  color: rgba(244, 235, 221, 0.78);
}

.page-contact .partner__cols {
  display: grid;
  gap: 1.4rem;
}

.page-contact .partner__col {
  padding-top: 1rem;
  border-top: 1px solid rgba(244, 235, 221, 0.22);
}

.page-contact .partner__col h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--amber-bright);
}

.page-contact .partner__col p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.85;
  color: rgba(244, 235, 221, 0.82);
}

.page-contact .partner__link {
  color: var(--amber-bright);
  text-decoration: none;
  border-bottom: 1px solid rgba(245, 198, 109, 0.5);
}

.page-contact .partner__link:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* 服务范围 */
.page-contact .scope {
  width: 100%;
  max-width: calc(var(--wrap) + var(--gutter) * 2);
  margin-inline: auto;
  padding: clamp(2.6rem, 7vw, 4.6rem) var(--gutter);
}

.page-contact .scope__grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 3rem);
  align-items: center;
}

.page-contact .scope__copy p {
  margin: 0 0 1.2rem;
  font-size: 0.95rem;
  line-height: 1.9;
  color: #3a4a47;
}

.page-contact .scope__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--hair-ink);
  border: 1px solid var(--hair-ink);
}

.page-contact .scope__fact {
  padding: 0.75rem 0.85rem;
  background: var(--mist);
}

.page-contact .scope__fact dt {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mid);
}

.page-contact .scope__fact dd {
  margin: 0.25rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--ink-deep);
  overflow-wrap: anywhere;
}

.page-contact .scope__map {
  padding: clamp(0.6rem, 2vw, 1rem);
  background: linear-gradient(150deg, var(--mist), var(--cream));
  clip-path: var(--pc-cut);
}

.page-contact .scope__map svg {
  display: block;
  width: 100%;
  height: auto;
}

/* 常见场景 */
.page-contact .scenarios {
  width: 100%;
  max-width: calc(var(--wrap) + var(--gutter) * 2);
  margin-inline: auto;
  padding: 0 var(--gutter) clamp(2.6rem, 7vw, 4.4rem);
}

.page-contact .scenario-list {
  border-bottom: 1px solid var(--hair-ink);
}

.page-contact .scenario {
  display: grid;
  gap: 0.5rem;
  padding: 1.2rem 0;
  border-top: 1px solid var(--hair-ink);
}

.page-contact .scenario .coord {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--cinnabar);
}

.page-contact .scenario h3 {
  margin: 0 0 0.3rem;
  font-size: 1.06rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink-deep);
}

.page-contact .scenario__body p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.85;
  color: #3a4a47;
}

.page-contact .scenario__link {
  color: var(--ink-mid);
  text-decoration: none;
  border-bottom: 1px solid var(--stone);
}

.page-contact .scenario__link:hover {
  color: var(--cinnabar);
  border-bottom-color: var(--cinnabar);
}

.page-contact .scenario__cta {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--cinnabar);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 0.1rem;
}

.page-contact .scenario__cta:hover {
  color: var(--ink-deep);
}

/* 收尾 */
.page-contact .closing {
  background:
    radial-gradient(100% 80% at 12% 0%, rgba(223, 162, 58, 0.2), transparent 62%),
    linear-gradient(160deg, var(--ink-deep), var(--ink-mid));
  color: var(--paper);
  clip-path: var(--pc-cut);
}

.page-contact .closing__inner {
  max-width: calc(var(--wrap) + var(--gutter) * 2);
  margin-inline: auto;
  padding: clamp(2.4rem, 7vw, 4.4rem) var(--gutter);
}

.page-contact .closing .kicker {
  color: var(--amber);
}

.page-contact .closing .section-title {
  color: var(--paper);
}

.page-contact .closing__lead {
  margin: 0 0 1.5rem;
  max-width: 34rem;
  font-size: 0.95rem;
  line-height: 1.9;
  color: rgba(244, 235, 221, 0.82);
}

.page-contact .closing__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem;
}

.page-contact .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.35rem;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  border: 1px solid transparent;
  clip-path: var(--pc-cut-sm);
  transition: background 0.25s var(--ease), color 0.25s var(--ease),
    border-color 0.25s var(--ease);
}

.page-contact .btn--amber {
  background: var(--amber);
  color: var(--ink-deep);
}

.page-contact .btn--amber:hover {
  background: var(--amber-bright);
}

.page-contact .btn--ghost {
  background: transparent;
  border-color: rgba(244, 235, 221, 0.42);
  color: var(--paper);
}

.page-contact .btn--ghost:hover {
  border-color: var(--amber);
  color: var(--amber-bright);
}

.page-contact .closing__top {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: rgba(244, 235, 221, 0.72);
  text-decoration: none;
  border-bottom: 1px solid rgba(244, 235, 221, 0.35);
}

.page-contact .closing__top:hover {
  color: var(--amber-bright);
  border-bottom-color: var(--amber-bright);
}

/* 响应式 */
@media (min-width: 720px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .partner__cols {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.8rem;
  }

  .page-contact .scope__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .scenario {
    grid-template-columns: 4.5rem minmax(0, 1fr) auto;
    align-items: start;
    column-gap: 1.2rem;
  }

  .page-contact .scenario .coord {
    padding-top: 0.3rem;
  }

  .page-contact .scenario__cta {
    margin-top: 0.2rem;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    align-items: end;
    column-gap: clamp(1.6rem, 4vw, 3rem);
    padding-bottom: clamp(3rem, 6vw, 4.6rem);
  }

  .page-contact .contact-hero__figure img {
    max-height: 420px;
  }

  .page-contact .feedback__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
    column-gap: clamp(1.8rem, 4vw, 3.2rem);
  }

  .page-contact .feedback__media {
    padding-top: 2.2rem;
  }

  .page-contact .scope__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
  }
}

@media (min-width: 1120px) {
  .page-contact .contact-hero {
    padding-inline: clamp(2rem, 4vw, 3.4rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .checklist__item,
  .page-contact .btn {
    transition: none;
  }
}