.page-contact {
  --contact-rule: rgba(29, 21, 18, .14);
  --contact-rule-on-dark: rgba(246, 237, 222, .2);
  --contact-gap: clamp(1.5rem, 4vw, 3rem);
}

.page-contact .section {
  padding-block: clamp(2.75rem, 7vw, 5rem);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  margin: 0 0 clamp(1.5rem, 4vw, 2.5rem);
  padding: 0;
}

.page-contact .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .55rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-index);
  font-size: .72rem;
  letter-spacing: .1em;
}

.page-contact .breadcrumb__list > li {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
}

.page-contact .breadcrumb__list > li + li::before {
  content: "/";
  color: rgba(246, 237, 222, .38);
}

.page-contact .breadcrumb__link {
  color: rgba(246, 237, 222, .72);
  text-decoration: none;
  transition: color .09s var(--ease);
}

.page-contact .breadcrumb__link:hover {
  color: var(--volt);
}

.page-contact .breadcrumb__current {
  color: var(--volt);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
}

.page-contact .contact-hero__split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
  align-items: center;
}

.page-contact .contact-hero__kicker {
  margin: 0;
  color: var(--volt);
  letter-spacing: .16em;
}

.page-contact .contact-hero__title {
  margin: .6rem 0 1rem;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2rem, 5.6vw, 3.6rem);
  line-height: 1.07;
  letter-spacing: -.015em;
  color: var(--cream);
}

.page-contact .contact-hero__lead {
  margin: 0 0 1.6rem;
  max-width: 40ch;
  font-size: clamp(.95rem, 2.2vw, 1.06rem);
  line-height: 1.74;
  color: rgba(246, 237, 222, .8);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

.page-contact .contact-hero .btn--ghost {
  color: var(--cream);
  border-color: rgba(246, 237, 222, .42);
  background: transparent;
}

.page-contact .contact-hero .btn--ghost:hover {
  color: var(--volt);
  border-color: var(--volt);
  transform: translateY(-3px);
}

.page-contact .contact-hero__visual {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--pine-900);
  clip-path: polygon(0 7%, 100% 0, 100% 93%, 0 100%);
}

.page-contact .contact-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(.78) contrast(1.06) brightness(.86);
}

.page-contact .contact-hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(205deg, rgba(140, 58, 34, .42), rgba(16, 56, 44, .6));
}

.page-contact .contact-hero__caption {
  position: absolute;
  left: clamp(1rem, 4vw, 1.75rem);
  bottom: clamp(1.4rem, 5vw, 2.4rem);
  z-index: 2;
  margin: 0;
  color: rgba(246, 237, 222, .85);
  font-size: .7rem;
  letter-spacing: .14em;
}

/* ---------- 通用章节头 ---------- */
.page-contact .contact-head {
  max-width: 46rem;
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
}

.page-contact .contact-head--tight {
  margin-bottom: 0;
}

.page-contact .contact-head__title {
  margin: .5rem 0 .55rem;
}

.page-contact .contact-head__note {
  margin: 0;
}

.page-contact .contact-head--on-dark .contact-head__eyebrow,
.page-contact .contact-head--on-dark .contact-head__title {
  color: var(--cream);
}

.page-contact .contact-head--on-dark .eyebrow {
  color: var(--volt);
}

/* ---------- 联系通道 ---------- */
.page-contact .contact-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
  align-items: start;
}

.page-contact .channel-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .channel {
  display: grid;
  gap: .3rem;
  padding: clamp(1.1rem, 3vw, 1.5rem) 0;
  border-top: 1px solid var(--contact-rule);
}

.page-contact .channel:last-child {
  border-bottom: 1px solid var(--contact-rule);
}

.page-contact .channel__index {
  font-size: .68rem;
  letter-spacing: .16em;
  color: var(--clay);
}

.page-contact .channel__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.05rem;
  color: var(--ink);
}

.page-contact .channel__value {
  margin: 0;
  font-family: var(--font-index);
  font-size: clamp(.9rem, 2.4vw, 1.1rem);
  letter-spacing: .01em;
  color: var(--pine-700);
  overflow-wrap: anywhere;
}

.page-contact .channel__meta {
  margin: .35rem 0 0;
  max-width: 46ch;
  font-size: .9rem;
  line-height: 1.68;
  color: var(--ink-soft);
}

/* ---------- 抽象区位图 ---------- */
.page-contact .locator {
  position: relative;
  overflow: hidden;
  padding: clamp(1.4rem, 4vw, 2.1rem);
  background: var(--pine-900);
  color: var(--cream);
  clip-path: polygon(0 0, 100% 5%, 100% 100%, 0 95%);
}

.page-contact .locator::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(246, 237, 222, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(246, 237, 222, .06) 1px, transparent 1px);
  background-size: 38px 38px;
}

.page-contact .locator__head,
.page-contact .locator__canvas,
.page-contact .locator__foot {
  position: relative;
  z-index: 1;
}

.page-contact .locator__title {
  margin: 0 0 .35rem;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.06rem;
  color: var(--cream);
}

.page-contact .locator__lede {
  margin: 0;
  max-width: 30ch;
  font-size: .86rem;
  line-height: 1.62;
  color: rgba(246, 237, 222, .7);
}

.page-contact .locator__canvas {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 1rem;
  overflow: visible;
}

.page-contact .locator__line {
  stroke: rgba(223, 242, 78, .32);
  stroke-width: 1;
  stroke-dasharray: 4 5;
}

.page-contact .locator__ring {
  fill: none;
  stroke: rgba(223, 242, 78, .42);
  stroke-width: 1;
  animation: contact-pulse 2s var(--ease) infinite;
}

.page-contact .locator__core {
  fill: var(--volt);
}

.page-contact .locator__dot {
  fill: var(--cream);
  opacity: .82;
  transition: fill .18s var(--ease), opacity .18s var(--ease);
}

.page-contact .locator__label {
  fill: rgba(246, 237, 222, .82);
  font-family: var(--font-index);
  font-size: 10px;
  letter-spacing: .06em;
  transition: fill .18s var(--ease);
}

.page-contact .locator__label--core {
  fill: var(--volt);
}

.page-contact .locator__node:hover .locator__dot {
  fill: var(--volt);
  opacity: 1;
}

.page-contact .locator__node:hover .locator__label {
  fill: var(--volt);
}

.page-contact .locator__foot {
  margin: 1rem 0 0;
  padding-top: .85rem;
  border-top: 1px solid rgba(246, 237, 222, .16);
  font-family: var(--font-index);
  font-size: .68rem;
  letter-spacing: .07em;
  color: rgba(246, 237, 222, .58);
}

@keyframes contact-pulse {
  0%, 100% { opacity: .9; r: 19; }
  50% { opacity: .3; r: 24; }
}

/* ---------- 适用场景 ---------- */
.page-contact .fit-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .fit-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(.9rem, 3vw, 2rem);
  padding: clamp(1.3rem, 3.5vw, 1.9rem) 0;
  border-top: 1px solid var(--contact-rule-on-dark);
}

.page-contact .fit-item:last-child {
  border-bottom: 1px solid var(--contact-rule-on-dark);
}

.page-contact .fit-item__index {
  padding-top: .35rem;
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--volt);
}

.page-contact .fit-item__title {
  margin: 0 0 .4rem;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.05rem, 2.6vw, 1.35rem);
  line-height: 1.35;
  color: var(--cream);
}

.page-contact .fit-item__text {
  margin: 0;
  max-width: 58ch;
  font-size: .94rem;
  line-height: 1.74;
  color: rgba(246, 237, 222, .76);
}

/* ---------- 反馈清单 ---------- */
.page-contact .checklist-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
  align-items: start;
}

.page-contact .checklist {
  display: grid;
  grid-template-columns: 1fr;
  gap: .8rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .checklist__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .75rem;
  align-items: baseline;
  padding: .85rem 1rem;
  background: rgba(29, 21, 18, .045);
  border-left: 2px solid var(--soil-500);
  border-radius: 0 10px 10px 0;
}

.page-contact .checklist__no {
  font-size: .7rem;
  letter-spacing: .1em;
  color: var(--clay);
}

.page-contact .checklist__text {
  margin: 0;
  font-size: .92rem;
  line-height: 1.62;
  color: var(--ink-soft);
}

/* ---------- 快捷入口条 ---------- */
.page-contact .helper-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
  padding-top: clamp(1.25rem, 3vw, 1.75rem);
  border-top: 1px solid var(--contact-rule);
}

.page-contact .helper-strip__text {
  margin: 0;
  max-width: 46ch;
  font-size: .92rem;
  line-height: 1.68;
  color: var(--clay);
}

.page-contact .helper-strip__links {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem 1.5rem;
}

/* ---------- 回复节奏与到访 ---------- */
.page-contact .response-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 6vw, 3.5rem);
  align-items: start;
}

.page-contact .response-block__eyebrow,
.page-contact .visit-block__eyebrow {
  margin: 0;
  color: var(--volt);
  letter-spacing: .16em;
}

.page-contact .response-block__title,
.page-contact .visit-block__title {
  margin: .5rem 0 .75rem;
  color: var(--cream);
}

.page-contact .response-block__text,
.page-contact .visit-block__text {
  margin: 0;
  max-width: 48ch;
  font-size: .95rem;
  line-height: 1.74;
  color: rgba(246, 237, 222, .78);
}

.page-contact .response-steps {
  margin: 1.6rem 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .response-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .9rem;
  padding: .95rem 0;
  border-top: 1px solid var(--contact-rule-on-dark);
}

.page-contact .response-step:last-child {
  border-bottom: 1px solid var(--contact-rule-on-dark);
}

.page-contact .response-step__no {
  font-size: .7rem;
  letter-spacing: .12em;
  color: var(--volt);
}

.page-contact .response-step__text {
  margin: 0;
  max-width: 44ch;
  font-size: .9rem;
  line-height: 1.68;
  color: rgba(246, 237, 222, .76);
}

.page-contact .visit-figure {
  position: relative;
  margin: 1.6rem 0 0;
  overflow: hidden;
  clip-path: polygon(0 10%, 100% 0, 100% 90%, 0 100%);
  background: var(--soil-900);
}

.page-contact .visit-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(.82) contrast(1.05) brightness(.9);
}

.page-contact .visit-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(160deg, rgba(16, 56, 44, .45), rgba(140, 58, 34, .38));
}

.page-contact .visit-figure__caption {
  position: absolute;
  left: clamp(.9rem, 3vw, 1.4rem);
  bottom: clamp(1.1rem, 3.5vw, 1.6rem);
  z-index: 2;
  margin: 0;
  font-size: .68rem;
  letter-spacing: .1em;
  color: rgba(246, 237, 222, .86);
}

/* ---------- 内容合作 ---------- */
.page-contact .partner-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .partner-item {
  padding: clamp(1.2rem, 3.5vw, 1.75rem) 0;
  border-top: 1px solid var(--contact-rule);
}

.page-contact .partner-item:last-child {
  border-bottom: 1px solid var(--contact-rule);
}

.page-contact .partner-item__title {
  margin: 0 0 .45rem;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.02rem, 2.4vw, 1.2rem);
  line-height: 1.4;
  color: var(--ink);
}

.page-contact .partner-item__text {
  margin: 0 0 .7rem;
  max-width: 56ch;
  font-size: .93rem;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-contact .partner-item__meta {
  margin: 0;
  font-size: .7rem;
  letter-spacing: .1em;
  color: var(--pine-600);
}

.page-contact .partner-foot {
  margin: 1.75rem 0 0;
  max-width: 56ch;
  font-size: .92rem;
  line-height: 1.7;
  color: var(--clay);
}

.page-contact .partner-foot--links {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem 1.5rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-contact .checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__split {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: clamp(2rem, 5vw, 4rem);
  }

  .page-contact .checklist-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: clamp(2rem, 5vw, 3.5rem);
  }

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

@media (min-width: 960px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: clamp(2rem, 5vw, 3.5rem);
  }

  .page-contact .partner-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 clamp(1.5rem, 4vw, 2.5rem);
  }

  .page-contact .partner-item {
    border-top: 1px solid var(--contact-rule);
    border-bottom: 1px solid var(--contact-rule);
  }

  .page-contact .partner-item:last-child {
    border-bottom: 1px solid var(--contact-rule);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .locator__ring {
    animation: none;
  }
}