.page-contact {
  --contact-rule: rgba(16, 24, 32, .14);
  --contact-rule-invert: rgba(233, 238, 243, .22);
  background: var(--mist);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-head {
  position: relative;
  overflow: hidden;
  background: var(--blue-900);
  color: var(--mist);
  padding: clamp(24px, 4vw, 40px) 0 clamp(44px, 7vw, 80px);
  border-bottom: 3px solid var(--orange);
}

.page-contact .contact-head::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 1px;
  background: var(--cyan);
  opacity: .55;
}

.page-contact .contact-head::before {
  content: "";
  position: absolute;
  right: -8%;
  top: -30%;
  width: min(560px, 64%);
  height: 150%;
  background: linear-gradient(160deg, rgba(31, 91, 122, .62), rgba(10, 28, 46, 0) 70%);
  transform: rotate(14deg);
  pointer-events: none;
}

.page-contact .contact-head .shell {
  position: relative;
  z-index: 1;
}

.page-contact .contact-head .breadcrumb {
  margin: 0 0 clamp(20px, 3vw, 34px);
  font-family: var(--font-mono);
  font-size: 12px;
}

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

.page-contact .contact-head .breadcrumb__item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(233, 238, 243, .58);
}

.page-contact .contact-head .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  color: var(--cyan);
  opacity: .8;
}

.page-contact .contact-head .breadcrumb__link {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.page-contact .contact-head .breadcrumb__link:hover {
  color: var(--mist);
  border-bottom-color: var(--orange);
}

.page-contact .contact-head .breadcrumb__link[aria-current="page"] {
  color: var(--cyan);
}

.page-contact .contact-head__grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-contact .contact-head__eyebrow {
  color: var(--cyan);
  margin: 0 0 14px;
}

.page-contact .contact-head__title {
  color: var(--mist);
  margin: 0 0 18px;
  letter-spacing: .02em;
  max-width: 18ch;
}

.page-contact .contact-head__lede {
  color: rgba(233, 238, 243, .82);
  max-width: 56ch;
  margin: 0;
}

.page-contact .contact-head__aside {
  border-top: 1px solid var(--contact-rule-invert);
  padding-top: 16px;
}

.page-contact .contact-head__k {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-contact .contact-head__v {
  margin: 0 0 8px;
  font-size: clamp(28px, 5vw, 38px);
  line-height: 1;
  color: var(--mist);
}

.page-contact .contact-head__s {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(233, 238, 243, .66);
}

/* ---------- 主体：路径 + 联系信息 ---------- */
.page-contact .contact-body {
  padding: clamp(36px, 6vw, 72px) 0;
}

.page-contact .contact-body__grid {
  display: grid;
  gap: clamp(30px, 4vw, 52px);
}

.page-contact .path__title {
  margin: 0 0 18px;
  color: var(--blue-700);
}

.page-contact .path__media {
  margin: 0 0 26px;
  border: 1px solid var(--contact-rule);
  background: var(--paper);
  overflow: hidden;
}

.page-contact .path__media img,
.page-contact .contact-panel__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

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

.page-contact .path-item {
  position: relative;
  padding: 0 0 26px 38px;
}

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

.page-contact .path-item::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 32px;
  bottom: 0;
  width: 1px;
  background: var(--blue-500);
  opacity: .45;
}

.page-contact .path-item--last::before {
  display: none;
}

.page-contact .path-item__num {
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border: 1px solid var(--blue-500);
  border-radius: 50%;
  background: var(--mist);
  font-size: 11px;
  color: var(--blue-700);
}

.page-contact .path-item--last .path-item__num {
  border-radius: 0;
  border-color: var(--orange);
  background: var(--orange);
  color: #fff;
}

.page-contact .path-item__title {
  margin: 0 0 6px;
  font-size: 17px;
  color: var(--blue-900);
}

.page-contact .path-item__body p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--graphite);
}

.page-contact .path-item__link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--orange);
  padding-bottom: 2px;
  transition: transform .16s var(--ease), color .16s var(--ease);
}

.page-contact .path-item__link:hover {
  transform: translateX(4px);
  color: var(--orange);
}

.page-contact .contact-panel {
  background: var(--paper);
  border: 1px solid var(--contact-rule);
}

.page-contact .contact-panel__media {
  margin: 0;
  border-bottom: 1px solid var(--contact-rule);
  overflow: hidden;
}

.page-contact .contact-panel__media img {
  height: clamp(110px, 18vw, 170px);
  object-fit: cover;
}

.page-contact .contact-rows {
  display: grid;
}

.page-contact .contact-row {
  display: grid;
  gap: 5px;
  padding: 18px clamp(16px, 3vw, 26px);
  border-top: 1px solid var(--contact-rule);
  transition: background-color .16s var(--ease);
}

.page-contact .contact-row:first-child {
  border-top: 0;
}

.page-contact .contact-row:hover {
  background: rgba(31, 91, 122, .06);
}

.page-contact .contact-row__key {
  margin: 0;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--teal);
}

.page-contact .contact-row__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.1vw, 19px);
  line-height: 1.4;
  color: var(--blue-900);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .contact-row__value--text {
  font-family: var(--font-body);
  font-size: 16px;
}

.page-contact .contact-row__hint {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--graphite);
  opacity: .85;
}

.page-contact .contact-row:hover .contact-row__hint {
  opacity: 1;
}

/* ---------- 写信要点 ---------- */
.page-contact .brief {
  background: var(--paper);
  border-top: 1px solid var(--contact-rule);
  border-bottom: 1px solid var(--contact-rule);
  padding: clamp(36px, 6vw, 68px) 0;
}

.page-contact .brief__head {
  max-width: 62ch;
  margin-bottom: clamp(22px, 4vw, 36px);
}

.page-contact .brief__head h2 {
  margin: 0 0 12px;
  color: var(--blue-900);
}

.page-contact .brief__lede {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--graphite);
}

.page-contact .brief-list {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .brief-item {
  position: relative;
  padding: 20px 0 20px 44px;
  border-top: 1px solid var(--contact-rule);
}

.page-contact .brief-item__num {
  position: absolute;
  left: 0;
  top: 23px;
  font-size: 12px;
  color: var(--orange-deep);
}

.page-contact .brief-item__title {
  margin: 0 0 6px;
  font-size: 17px;
  color: var(--blue-900);
}

.page-contact .brief-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--graphite);
}

.page-contact .brief__aside {
  margin-top: clamp(24px, 4vw, 36px);
  border-left: 3px solid var(--cyan);
  padding: 2px 0 2px 16px;
}

.page-contact .brief__aside p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--graphite);
}

/* ---------- 渠道说明 ---------- */
.page-contact .contact-note {
  background: var(--blue-700);
  color: var(--mist);
  padding: clamp(30px, 5vw, 54px) 0;
}

.page-contact .contact-note__inner {
  display: grid;
  gap: 14px;
}

.page-contact .contact-note__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  font-weight: 400;
  color: var(--cyan);
}

.page-contact .contact-note__text {
  margin: 0;
  border-left: 3px solid var(--orange);
  padding-left: 16px;
  font-size: clamp(16px, 2.2vw, 19px);
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 快速出口 ---------- */
.page-contact .exits {
  padding: clamp(36px, 6vw, 68px) 0 clamp(48px, 7vw, 88px);
}

.page-contact .exits h2 {
  margin: 0 0 12px;
  color: var(--blue-900);
}

.page-contact .exits__lede {
  max-width: 58ch;
  margin: 0 0 26px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--graphite);
}

.page-contact .exits__list {
  display: grid;
  border-top: 1px solid var(--contact-rule);
}

.page-contact .exits .index-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 14px;
  align-items: center;
  padding: 16px 4px;
  border-bottom: 1px solid var(--contact-rule);
  text-decoration: none;
  color: var(--blue-900);
  transition: transform .16s var(--ease), border-color .16s var(--ease);
}

.page-contact .exits .index-row:hover {
  transform: translateX(8px);
  border-bottom-color: var(--orange);
}

.page-contact .exits .index-row__num {
  font-size: 12px;
  color: var(--orange-deep);
}

.page-contact .exits .index-row__label {
  font-size: 16px;
  font-weight: 600;
}

.page-contact .exits .index-row__meta {
  grid-column: 2;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--graphite);
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 780px) {
  .page-contact .brief-list {
    grid-template-columns: 1fr 1fr;
    column-gap: clamp(24px, 4vw, 48px);
  }
}

@media (min-width: 820px) {
  .page-contact .contact-note__inner {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    align-items: start;
  }

  .page-contact .exits .index-row {
    grid-template-columns: auto 1fr auto;
  }

  .page-contact .exits .index-row__meta {
    grid-column: auto;
    text-align: right;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-head__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: end;
  }

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