.page-contact {
  --contact-hair: rgba(38, 35, 33, 0.14);
  --contact-copper-line: rgba(176, 122, 58, 0.3);
  background: var(--mist);
  color: var(--ink);
  overflow-x: clip;
}

.page-contact .breadcrumbs {
  padding-top: 1.5rem;
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: clamp(1.4rem, 4vw, 2.6rem) 0 clamp(1.8rem, 4vw, 3rem);
  background:
    repeating-linear-gradient(90deg, rgba(176, 122, 58, 0.13) 0 1px, transparent 1px 104px),
    linear-gradient(180deg, var(--mist) 0%, rgba(215, 232, 238, 0.45) 100%);
  border-bottom: var(--hair-soft);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.6rem, 4vw, 3rem);
  align-items: start;
}

.page-contact .contact-hero__lead .display-title {
  margin: 0.7rem 0 1rem;
  max-width: 16ch;
}

.page-contact .contact-hero__lead .lede {
  max-width: 46ch;
}

.page-contact .contact-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0 1.1rem;
}

.page-contact .contact-hero__lead .batch-no {
  font-size: 0.8rem;
  color: var(--steel);
}

/* 联系单视觉 */
.page-contact .hero-slip {
  position: relative;
  background: var(--paper);
  border: var(--contact-hair) solid;
  border-top: 4px solid var(--soil);
  border-radius: 3px 3px var(--radius) var(--radius);
  padding: 1.3rem 1.15rem 1.4rem;
  box-shadow: 7px 7px 0 rgba(155, 74, 47, 0.12), 15px 15px 0 rgba(215, 232, 238, 0.62);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.6;
}

.page-contact .hero-slip__tag {
  display: inline-block;
  background: var(--soil);
  color: var(--paper);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  padding: 0.3rem 0.6rem;
  border-radius: 2px;
  margin-bottom: 0.9rem;
}

.page-contact .hero-slip__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--contact-hair);
}

.page-contact .hero-slip__row:last-of-type {
  border-bottom: 0;
}

.page-contact .hero-slip__k {
  color: var(--steel);
  letter-spacing: 0.12em;
  flex: 0 0 auto;
}

.page-contact .hero-slip__v {
  text-align: right;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .hero-slip__ruler {
  height: 14px;
  margin: 0.9rem 0 0.6rem;
  background-image: repeating-linear-gradient(90deg, var(--copper) 0 1px, transparent 1px 12px);
  opacity: 0.55;
}

.page-contact .hero-slip__foot {
  margin: 0;
  font-size: 0.74rem;
  color: var(--steel);
  line-height: 1.75;
}

/* ---------- 横幅图 ---------- */
.page-contact .contact-banner {
  margin: 0;
  padding: clamp(1.6rem, 4vw, 2.6rem) 0 clamp(0.6rem, 2vw, 1rem);
}

.page-contact .contact-banner img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 16 / 7;
  border-radius: var(--radius);
  border: var(--contact-hair) solid;
  box-shadow: 0 18px 40px -28px rgba(94, 46, 32, 0.55);
}

/* ---------- 渠道卡 ---------- */
.page-contact .contact-channels {
  padding: clamp(1.6rem, 4vw, 2.8rem) 0 clamp(1.4rem, 3vw, 2rem);
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: clamp(1.2rem, 3vw, 1.8rem);
}

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.35rem 1.2rem 1.45rem;
  border-top: 3px solid var(--lake);
  min-width: 0;
}

.page-contact .channel-card--phone {
  border-top-color: var(--pine);
}

.page-contact .channel-card--addr {
  border-top-color: var(--copper);
}

.page-contact .channel-card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--steel);
}

.page-contact .channel-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 2.4vw, 1.12rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--soil-deep);
  overflow-wrap: anywhere;
  word-break: break-word;
  user-select: all;
}

.page-contact .channel-card__value--addr {
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 2.2vw, 1.02rem);
  line-height: 1.7;
  letter-spacing: 0;
  color: var(--ink);
}

.page-contact .channel-card__note {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--ink);
}

.page-contact .channel-card__meta {
  margin: auto 0 0;
  padding-top: 0.6rem;
  border-top: 1px dashed var(--contact-copper-line);
  font-size: 0.78rem;
  color: var(--steel);
}

/* ---------- 问题类型工作台 ---------- */
.page-contact .contact-topics {
  padding: clamp(1.6rem, 4vw, 2.8rem) 0;
}

.page-contact .topic-workbench {
  position: relative;
  margin-top: clamp(1.2rem, 3vw, 1.8rem);
  padding: clamp(1.1rem, 3vw, 2rem);
  background: var(--lake-soft);
  border: var(--contact-hair) solid;
  border-radius: var(--radius);
}

.page-contact .topic-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .topic-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.2rem;
}

.page-contact .topic-pills label {
  cursor: pointer;
  padding: 0.5rem 0.95rem;
  border-radius: 999px;
  border: 1px solid rgba(38, 35, 33, 0.16);
  background: var(--paper);
  color: var(--steel);
  font-size: 0.86rem;
  line-height: 1.4;
  transition: background 0.24s var(--ease), color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-contact .topic-pills label:hover {
  border-color: var(--lake);
  color: var(--lake);
}

.page-contact #topic-a:checked ~ .topic-pills label[for="topic-a"],
.page-contact #topic-b:checked ~ .topic-pills label[for="topic-b"],
.page-contact #topic-c:checked ~ .topic-pills label[for="topic-c"],
.page-contact #topic-d:checked ~ .topic-pills label[for="topic-d"],
.page-contact #topic-e:checked ~ .topic-pills label[for="topic-e"] {
  background: var(--lake);
  border-color: var(--lake);
  color: var(--paper);
}

.page-contact .topic-panels {
  background: var(--paper);
  border: var(--contact-hair) solid;
  border-radius: 12px;
  padding: clamp(1rem, 2.6vw, 1.5rem);
}

.page-contact .topic-panel {
  display: none;
}

.page-contact #topic-a:checked ~ .topic-panels .topic-panel--a,
.page-contact #topic-b:checked ~ .topic-panels .topic-panel--b,
.page-contact #topic-c:checked ~ .topic-panels .topic-panel--c,
.page-contact #topic-d:checked ~ .topic-panels .topic-panel--d,
.page-contact #topic-e:checked ~ .topic-panels .topic-panel--e {
  display: block;
  animation: contact-fade 0.28s var(--ease) both;
}

@keyframes contact-fade {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-contact .topic-panel__title {
  margin: 0 0 0.5rem;
  font-family: var(--font-title);
  font-size: 1.2rem;
  color: var(--soil-deep);
}

.page-contact .topic-panel__desc {
  margin: 0 0 0.9rem;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--ink);
  max-width: 62ch;
}

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

.page-contact .prep-list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--ink);
}

.page-contact .prep-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  background: var(--copper);
  border-radius: 1px;
}

.page-contact .topic-panel__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.2rem;
  padding-top: 0.8rem;
  border-top: 1px dashed var(--contact-copper-line);
}

.page-contact .topic-panel__links a {
  font-size: 0.86rem;
  color: var(--lake);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-contact .topic-panel__links a:hover {
  color: var(--soil);
}

/* ---------- 准备清单 ---------- */
.page-contact .contact-prep {
  padding: clamp(1.6rem, 4vw, 2.8rem) 0;
  border-top: var(--hair-soft);
}

.page-contact .prep-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.4rem, 3.5vw, 2.4rem);
  align-items: start;
}

.page-contact .prep-main .section-title {
  margin: 0.6rem 0 0.9rem;
  max-width: 22ch;
}

.page-contact .prep-main .prose {
  max-width: 58ch;
}

.page-contact .prep-steps {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: var(--hair-soft);
}

.page-contact .prep-steps li {
  display: flex;
  gap: 1rem;
  padding: 0.95rem 0;
  border-bottom: var(--hair-soft);
  min-width: 0;
}

.page-contact .prep-steps__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  letter-spacing: 0.14em;
  color: var(--copper);
  padding-top: 0.18rem;
}

.page-contact .prep-steps h3 {
  margin: 0 0 0.25rem;
  font-family: var(--font-title);
  font-size: 1.02rem;
  color: var(--ink);
}

.page-contact .prep-steps p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--steel);
}

.page-contact .prep-steps .batch-no {
  font-size: 0.82rem;
  color: var(--soil-deep);
}

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

.page-contact .prep-figure .media-frame {
  border-radius: var(--radius);
  overflow: hidden;
  border: var(--contact-hair) solid;
  background: var(--paper);
}

.page-contact .prep-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .prep-figure figcaption {
  margin-top: 0.7rem;
  font-size: 0.8rem;
  line-height: 1.7;
}

/* ---------- 流程 ---------- */
.page-contact .contact-flow {
  padding: clamp(1.6rem, 4vw, 2.8rem) 0;
  background: linear-gradient(180deg, rgba(215, 232, 238, 0.38), transparent 78%);
}

.page-contact .flow-figure {
  margin: clamp(1rem, 3vw, 1.6rem) 0 0;
  padding: clamp(0.8rem, 2.5vw, 1.4rem);
  background: var(--paper);
  border: var(--contact-hair) solid;
  border-radius: var(--radius);
}

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

.page-contact .flow-node rect {
  fill: var(--mist);
  stroke: rgba(155, 74, 47, 0.35);
  stroke-width: 1.5;
  transition: fill 0.24s var(--ease), stroke 0.24s var(--ease);
}

.page-contact .flow-node:hover rect {
  fill: var(--lake-soft);
  stroke: var(--lake);
}

.page-contact .flow-node__num {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.14em;
  fill: var(--copper);
}

.page-contact .flow-node__label {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  fill: var(--ink);
}

/* ---------- 回复节奏 ---------- */
.page-contact .contact-timing {
  padding: clamp(1.4rem, 3.5vw, 2.4rem) 0;
}

.page-contact .timing-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.2rem, 3vw, 2rem);
  padding: clamp(1.4rem, 3.5vw, 2.4rem);
  background: var(--pine);
  color: var(--paper);
  border-radius: var(--radius);
  box-shadow: 0 24px 50px -34px rgba(36, 77, 63, 0.9);
}

.page-contact .eyebrow--light {
  color: rgba(247, 243, 236, 0.72);
}

.page-contact .section-title--light {
  color: var(--paper);
  margin: 0.5rem 0 0.7rem;
}

.page-contact .timing-panel__lede {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: rgba(247, 243, 236, 0.82);
  max-width: 40ch;
}

.page-contact .timing-list {
  margin: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(247, 243, 236, 0.2);
}

.page-contact .timing-list__item {
  padding: 0.85rem 0;
  border-bottom: 1px solid rgba(247, 243, 236, 0.2);
}

.page-contact .timing-list dt {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.18em;
  color: var(--copper);
  margin-bottom: 0.3rem;
}

.page-contact .timing-list dd {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: rgba(247, 243, 236, 0.94);
}

/* ---------- 邮件样式 ---------- */
.page-contact .contact-mail {
  padding: clamp(1.6rem, 4vw, 2.8rem) 0;
}

.page-contact .mail-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.4rem, 3.5vw, 2.4rem);
  align-items: start;
}

.page-contact .mail-layout__intro .section-title {
  margin: 0.6rem 0 0.8rem;
}

.page-contact .mail-layout__intro .prose {
  max-width: 40ch;
  margin-bottom: 1.2rem;
}

.page-contact .mail-layout__example {
  min-width: 0;
}

.page-contact .mail-template__caption {
  margin: 0 0 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--steel);
}

.page-contact .mail-template {
  margin: 0 0 1.1rem;
  padding: 0.9rem 1rem;
  background: var(--paper);
  border: var(--contact-hair) solid;
  border-left: 4px solid var(--copper);
  border-radius: 0 10px 10px 0;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  line-height: 1.9;
  color: var(--ink);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  user-select: all;
}

.page-contact .mail-tips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.page-contact .mail-tips li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--steel);
}

.page-contact .mail-tips li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--lake);
}

/* ---------- 地址与备案 ---------- */
.page-contact .contact-legal {
  padding: clamp(1.2rem, 3vw, 2rem) 0 clamp(1.6rem, 4vw, 2.6rem);
}

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

.page-contact .legal-card {
  padding: 1.3rem 1.2rem;
  background: var(--paper);
  border: var(--contact-hair) solid;
  border-radius: var(--radius);
  border-bottom: 4px solid var(--soil);
  min-width: 0;
}

.page-contact .legal-card--filing {
  border-bottom-color: var(--copper);
}

.page-contact .legal-card--links {
  border-bottom-color: var(--lake);
}

.page-contact .legal-card__title {
  margin: 0 0 0.5rem;
  font-family: var(--font-title);
  font-size: 1.05rem;
  color: var(--soil-deep);
}

.page-contact .legal-card__value {
  margin: 0 0 0.55rem;
  font-size: 0.96rem;
  line-height: 1.75;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .legal-card__value--mono {
  font-family: var(--font-mono);
  letter-spacing: 0.12em;
}

.page-contact .legal-card__note {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.75;
  color: var(--steel);
}

.page-contact .legal-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-contact .legal-links li {
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--steel);
}

.page-contact .legal-links a {
  color: var(--lake);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .legal-links a:hover {
  color: var(--soil);
}

/* ---------- 结尾 ---------- */
.page-contact .contact-cta {
  padding: 0 0 clamp(2rem, 5vw, 3.4rem);
}

.page-contact .cta-slab {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
  align-items: center;
  padding: clamp(1.4rem, 3.5vw, 2.2rem);
  background: var(--soil);
  color: var(--paper);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}

.page-contact .cta-slab::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(247, 243, 236, 0.16) 0 1px, transparent 1px 56px);
  pointer-events: none;
}

.page-contact .cta-slab__title {
  margin: 0 0 0.5rem;
  font-family: var(--font-title);
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  color: var(--paper);
}

.page-contact .cta-slab__text {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: rgba(255, 253, 248, 0.88);
  max-width: 48ch;
}

.page-contact .cta-slab__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  position: relative;
}

.page-contact .cta-slab__actions .btn--ghost {
  color: var(--paper);
  border-color: rgba(255, 253, 248, 0.55);
}

.page-contact .cta-slab__actions .btn--ghost:hover {
  background: rgba(255, 253, 248, 0.14);
  color: var(--paper);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-contact .legal-card--links {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }

  .page-contact .prep-layout {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
  }

  .page-contact .prep-figure {
    margin-top: 2.4rem;
  }

  .page-contact .timing-panel {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .page-contact .mail-layout {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
  }

  .page-contact .cta-slab {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (min-width: 1060px) {
  .page-contact .legal-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.95fr) minmax(0, 0.9fr);
  }

  .page-contact .legal-card--links {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .topic-panel,
  .page-contact .topic-pills label,
  .page-contact .flow-node rect {
    animation: none !important;
    transition: none !important;
  }
}