.page-contact {
  --contact-line: rgba(24, 42, 74, .16);
  --contact-line-soft: rgba(24, 42, 74, .08);
  --contact-dark-line: rgba(255, 249, 240, .18);
  display: block;
  background: var(--sand);
  color: var(--indigo);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  margin: 0;
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.18;
}

.page-contact p {
  margin: 0;
}

.page-contact .text-link {
  color: var(--orange-deep);
  text-decoration: none;
  border-bottom: 1.5px solid currentColor;
  padding-bottom: 1px;
}

.page-contact .text-link:hover,
.page-contact .text-link:focus-visible {
  color: var(--indigo);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  background: linear-gradient(180deg, var(--cream) 0%, var(--sand) 88%);
  padding-bottom: clamp(38px, 6vw, 76px);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--orange) 0%, var(--amber) 48%, var(--teal) 100%);
}

.page-contact .breadcrumb {
  padding-top: clamp(18px, 2.6vw, 28px);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 46px);
  margin-top: clamp(18px, 2.6vw, 30px);
}

.page-contact .contact-hero__eyebrow {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--rock);
  text-transform: uppercase;
}

.page-contact .contact-hero__title {
  margin-top: 12px;
  font-size: clamp(30px, 5.4vw, 54px);
  font-weight: 900;
  color: var(--indigo);
}

.page-contact .contact-hero__lede {
  margin-top: 16px;
  max-width: 40ch;
  font-size: clamp(15.5px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--rock);
}

/* ---------- 联系渠道卡 ---------- */

.page-contact .channel-card {
  margin-top: clamp(22px, 3vw, 32px);
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--cream);
  border: 2px solid var(--indigo);
  box-shadow: var(--stack-shadow);
}

.page-contact .channel-card__cap {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--orange-deep);
  padding-bottom: 12px;
  border-bottom: 2px solid var(--indigo);
}

.page-contact .channel-row {
  padding: 15px 0;
  border-bottom: 1px dashed var(--contact-line);
}

.page-contact .channel-row__label {
  font-size: 13px;
  font-weight: 700;
  color: var(--rock);
  letter-spacing: .04em;
  margin-bottom: 6px;
}

.page-contact .channel-row__line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 14px;
}

.page-contact .channel-row__value {
  min-width: 0;
  overflow-wrap: anywhere;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--indigo);
}

.page-contact .channel-row__value.mono {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: -.01em;
}

.page-contact .copy-btn {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  padding: 7px 13px;
  background: var(--cream);
  color: var(--indigo);
  border: 1.5px solid var(--indigo);
  border-radius: 0;
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--cream);
}

.page-contact .channel-card__note {
  margin-top: 16px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--rock);
}

.page-contact .channel-card__link {
  margin-top: 10px;
  font-size: 14.5px;
}

/* ---------- 邮件模板 ---------- */

.page-contact .mail-template {
  margin-top: 18px;
  border: 1.5px solid var(--contact-line);
  background: var(--sand);
}

.page-contact .mail-template .disclosure__toggle {
  width: 100%;
  display: block;
  padding: 12px 14px;
  background: none;
  border: 0;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  color: var(--indigo);
  text-align: left;
  cursor: pointer;
}

.page-contact .mail-template .disclosure__panel {
  padding: 0 14px 14px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--rock);
}

.page-contact .mail-template__body {
  margin-bottom: 8px;
  font-size: 13.5px;
  color: var(--indigo);
}

.page-contact .mail-template__body.mono {
  font-family: var(--font-mono);
  color: var(--orange-deep);
}

/* ---------- 首屏右侧路径图 ---------- */

.page-contact .contact-hero__visual {
  position: relative;
  margin: 0;
  border: 2px solid var(--indigo);
  background: var(--indigo-soft);
  box-shadow: 8px 8px 0 -1px rgba(24, 42, 74, .12);
  overflow: hidden;
}

.page-contact .contact-hero__img {
  display: block;
  width: 100%;
  height: clamp(200px, 34vw, 300px);
  object-fit: cover;
  filter: saturate(.75) contrast(1.03);
}

.page-contact .path-mini {
  padding: clamp(16px, 2.4vw, 22px);
  background: var(--indigo);
  color: var(--cream);
}

.page-contact .path-mini__cap {
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--amber);
  margin-bottom: 12px;
}

.page-contact .path-mini__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .path-mini__node {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 6px 11px;
  font-size: 13px;
  font-weight: 700;
  color: var(--cream);
  border: 1px solid var(--contact-dark-line);
  background: rgba(255, 249, 240, .06);
}

.page-contact .path-mini__node .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--orange);
}

/* ---------- 章节通用 ---------- */

.page-contact .section {
  padding: clamp(42px, 6.5vw, 84px) 0;
}

.page-contact .section__index {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--orange-deep);
  margin-bottom: 10px;
}

.page-contact .section__title {
  font-size: clamp(24px, 3.4vw, 36px);
  color: var(--indigo);
}

.page-contact .section__lede {
  margin-top: 14px;
  max-width: 54ch;
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.85;
  color: var(--rock);
}

/* ---------- 合作类型 ---------- */

.page-contact .coop-types {
  background: var(--sand);
}

.page-contact .type-list {
  list-style: none;
  margin: clamp(26px, 3.6vw, 42px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .type-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: clamp(16px, 2.2vw, 24px);
  background: var(--cream);
  border: 2px solid var(--indigo);
  box-shadow: 4px 4px 0 -1px rgba(24, 42, 74, .1);
  transition: box-shadow .2s var(--ease), transform .2s var(--ease);
}

.page-contact .type-item:hover {
  box-shadow: 8px 8px 0 -1px rgba(242, 106, 46, .28);
}

.page-contact .type-item__no {
  font-size: 12.5px;
  letter-spacing: .14em;
  color: var(--orange-deep);
  font-weight: 700;
}

.page-contact .type-item__title {
  font-size: clamp(18px, 2vw, 21px);
  color: var(--indigo);
}

.page-contact .type-item__for {
  margin-top: 8px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--rock);
}

.page-contact .type-item__prep {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--contact-line);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--indigo);
}

.page-contact .type-item__prep .mono {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--teal-deep);
  margin-right: 6px;
}

/* ---------- 合作路径 ---------- */

.page-contact .path-section {
  position: relative;
  background: var(--indigo);
  color: var(--cream);
  overflow: hidden;
}

.page-contact .path-section::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 5px;
  background: linear-gradient(90deg, var(--orange), var(--amber) 50%, var(--teal));
}

.page-contact .section__head--dark .section__index {
  color: var(--amber);
}

.page-contact .section__head--dark .section__title {
  color: var(--cream);
}

.page-contact .section__head--dark .section__lede {
  color: var(--on-dark);
}

.page-contact .path-figure {
  margin: clamp(24px, 3.4vw, 38px) 0 clamp(26px, 3.6vw, 40px);
  border: 1px solid var(--contact-dark-line);
  overflow: hidden;
}

.page-contact .path-figure__img {
  display: block;
  width: 100%;
  height: clamp(170px, 26vw, 260px);
  object-fit: cover;
  filter: saturate(.7) brightness(.92);
}

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

.page-contact .path-step {
  position: relative;
  margin-left: 17px;
  padding: 0 0 clamp(24px, 3vw, 34px) clamp(36px, 5vw, 52px);
  border-left: 2px solid var(--contact-dark-line);
}

.page-contact .path-step:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-contact .path-step__no {
  position: absolute;
  left: -18px;
  top: -2px;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  background: var(--orange);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  border-radius: 50%;
}

.page-contact .path-step__title {
  font-size: clamp(18px, 2vw, 21px);
  color: var(--cream);
}

.page-contact .path-step__desc {
  margin-top: 8px;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--on-dark);
}

.page-contact .path-step__output {
  margin-top: 10px;
  font-size: 13px;
  color: var(--amber);
}

.page-contact .path-step__output .mono {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--teal);
  margin-right: 6px;
}

/* ---------- 服务范围与响应 ---------- */

.page-contact .coverage {
  background: var(--cream);
}

.page-contact .coverage__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 40px);
  margin-top: clamp(24px, 3.2vw, 36px);
}

.page-contact .coverage__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-contact .coverage__stats .stat {
  padding: 16px 14px;
  background: var(--sand);
  border-left: 4px solid var(--orange);
}

.page-contact .coverage__stats .stat__value {
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.4vw, 34px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--indigo);
}

.page-contact .coverage__stats .stat__label {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--rock);
}

.page-contact .coverage__panel {
  background: var(--cream);
  border: 2px solid var(--indigo);
  box-shadow: var(--paper-shadow);
}

.page-contact .coverage__panel .panel__head {
  padding: 16px clamp(16px, 2.2vw, 24px);
  background: var(--indigo);
}

.page-contact .coverage__panel .panel__title {
  font-size: 17px;
  color: var(--cream);
}

.page-contact .coverage__panel .panel__body {
  padding: clamp(16px, 2.2vw, 24px);
}

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

.page-contact .window-item p {
  margin-top: 7px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--rock);
}

.page-contact .coverage__panel .callout {
  margin-top: 18px;
  padding: 14px 16px;
  background: rgba(0, 158, 115, .08);
  border-left: 4px solid var(--teal);
  font-size: 14px;
  line-height: 1.8;
  color: var(--indigo);
}

/* ---------- 常见问答 ---------- */

.page-contact .coop-faq {
  background: var(--sand);
}

.page-contact .disclosure {
  margin-top: 12px;
  background: var(--cream);
  border: 2px solid var(--indigo);
  box-shadow: 3px 3px 0 -1px rgba(24, 42, 74, .1);
}

.page-contact .disclosure:first-of-type {
  margin-top: clamp(24px, 3.2vw, 36px);
}

.page-contact .disclosure__toggle {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 15px clamp(16px, 2.2vw, 20px);
  background: none;
  border: 0;
  font: inherit;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.65;
  color: var(--indigo);
  text-align: left;
  cursor: pointer;
}

.page-contact .disclosure__toggle::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--orange);
  transition: transform .2s var(--ease);
}

.page-contact .disclosure__toggle[aria-expanded="true"]::after {
  transform: rotate(45deg);
}

.page-contact .disclosure__panel {
  padding: 0 clamp(16px, 2.2vw, 20px) 18px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--rock);
}

.page-contact .disclosure__panel[data-open] {
  display: block;
}

.page-contact .faq-more {
  margin-top: clamp(20px, 2.8vw, 30px);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--rock);
}

.page-contact .faq-more .text-link + .text-link {
  margin-left: 6px;
}

/* ---------- 地址与联系方式 ---------- */

.page-contact .address-section {
  background: var(--cream);
}

.page-contact .address-panel {
  padding: clamp(22px, 3.4vw, 44px);
  background: var(--indigo);
  color: var(--cream);
  border: 2px solid var(--ink);
  box-shadow: 10px 10px 0 -2px rgba(13, 23, 38, .22);
}

.page-contact .address-panel__head .section__index {
  color: var(--amber);
}

.page-contact .address-panel__head .section__title {
  color: var(--cream);
}

.page-contact .address-panel__lede {
  margin-top: 12px;
  max-width: 52ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--on-dark);
}

.page-contact .address-list {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .address-item {
  padding: 16px 18px;
  border: 1px solid var(--contact-dark-line);
  background: rgba(255, 249, 240, .05);
}

.page-contact .address-item__label {
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--teal);
  margin-bottom: 7px;
}

.page-contact .address-item__value {
  overflow-wrap: anywhere;
  font-size: 16px;
  font-weight: 700;
  color: var(--cream);
}

.page-contact .address-item__use {
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--on-dark);
}

.page-contact .address-item .copy-btn {
  margin-top: 12px;
  background: transparent;
  color: var(--cream);
  border-color: var(--contact-dark-line);
}

.page-contact .address-item .copy-btn:hover,
.page-contact .address-item .copy-btn:focus-visible {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink);
}

.page-contact .address-panel__foot {
  margin-top: clamp(22px, 3vw, 30px);
  padding-top: 18px;
  border-top: 1px solid var(--contact-dark-line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.page-contact .address-panel__foot p {
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--on-dark);
  max-width: 50ch;
}

.page-contact .address-panel__foot .text-link {
  color: var(--amber);
}

.page-contact .address-panel__foot .text-link:hover,
.page-contact .address-panel__foot .text-link:focus-visible {
  color: var(--cream);
}

.page-contact .address-panel__foot .btn {
  flex: 0 0 auto;
  background: var(--orange);
  color: var(--ink);
  border: 0;
  padding: 12px 22px;
  font-weight: 700;
  font-size: 14.5px;
  text-decoration: none;
}

.page-contact .address-panel__foot .btn:hover,
.page-contact .address-panel__foot .btn:focus-visible {
  background: var(--amber);
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-contact .address-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .type-item {
    grid-template-columns: 74px minmax(0, 1fr);
    align-items: start;
    gap: 0 18px;
    padding: 22px 24px;
  }

  .page-contact .type-item:nth-child(even) {
    margin-left: clamp(0px, 3vw, 46px);
  }

  .page-contact .type-item:nth-child(odd) {
    margin-right: clamp(0px, 3vw, 46px);
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    align-items: start;
  }

  .page-contact .contact-hero__visual {
    position: sticky;
    top: 96px;
  }

  .page-contact .contact-hero__img {
    height: 320px;
  }

  .page-contact .coverage__layout {
    grid-template-columns: minmax(0, .86fr) minmax(0, 1.14fr);
    align-items: start;
  }

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

  .page-contact .path-list {
    max-width: 860px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .copy-btn,
  .page-contact .type-item,
  .page-contact .disclosure__toggle::after {
    transition: none;
  }
}