.page-contact {
  --ct-gap-lg: clamp(64px, 11vw, 132px);
  --ct-gap-md: clamp(44px, 7.5vw, 80px);
  --ct-radius: 18px;
  position: relative;
  background:
    radial-gradient(115% 72% at 90% -4%, rgba(34, 227, 192, .085), transparent 62%),
    radial-gradient(90% 58% at -6% 104%, rgba(255, 75, 43, .07), transparent 66%),
    var(--ink-void);
  color: var(--text);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-contact .shell {
  max-width: 1280px;
  margin-inline: auto;
}

/* ---------- 面包屑留白 ---------- */
.page-contact .crumbs {
  margin-top: 4px;
}

/* ---------- 首屏：大字号联系方式 ---------- */
.page-contact .contact-hero {
  padding: clamp(30px, 6vw, 62px) 0 var(--ct-gap-lg);
}

.page-contact .contact-hero__eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  margin: 0 0 clamp(20px, 3vw, 30px);
}

.page-contact .contact-hero__stamp {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--text-dim);
  padding-left: 14px;
  border-left: 1px dashed var(--line);
}

.page-contact .contact-hero__title {
  margin: 0;
  max-width: 20ch;
  font-size: clamp(30px, 6.4vw, 54px);
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-contact .contact-hero__lede {
  max-width: 42em;
  margin: clamp(20px, 3vw, 28px) 0 0;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.8;
  color: var(--text-dim);
}

.page-contact .contact-hero__channels {
  display: grid;
  gap: clamp(4px, 1.4vw, 10px);
  margin-top: clamp(44px, 8vw, 86px);
}

.page-contact .contact-line {
  display: block;
  padding: clamp(20px, 3.4vw, 30px) 0 clamp(18px, 3vw, 26px);
  border-top: 1px dashed var(--line);
  text-decoration: none;
  color: var(--text);
  transition: border-color .28s var(--ease);
}

.page-contact .contact-line:last-of-type {
  border-bottom: 1px dashed var(--line);
}

.page-contact .contact-line:hover,
.page-contact .contact-line:focus-visible {
  border-color: var(--cyan);
}

.page-contact .contact-line__role {
  display: block;
  margin-bottom: 10px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--text-dim);
}

.page-contact .contact-line__text {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.01em;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .contact-line--mail .contact-line__text {
  font-size: clamp(17px, 3.5vw, 42px);
  color: var(--cyan);
}

.page-contact .contact-line--tel .contact-line__text {
  font-size: clamp(32px, 7vw, 56px);
  color: var(--gold);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3.6vw, 34px);
}

/* ---------- 客服邮箱 ---------- */
.page-contact .mail-desk {
  padding: 0 0 var(--ct-gap-lg);
}

.page-contact .mail-desk__grid {
  display: grid;
  gap: clamp(30px, 5vw, 56px);
  align-items: start;
}

.page-contact .mail-desk__lead {
  max-width: 40em;
  margin: 0 0 clamp(24px, 3.6vw, 34px);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-contact .drop-list {
  list-style: none;
  margin: 0 0 clamp(22px, 3vw, 30px);
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .drop-list__item {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--line);
}

.page-contact .drop-list__no {
  flex: none;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-contact .drop-list__text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
}

.page-contact .mail-desk__figure {
  margin: 0;
  border-radius: var(--ct-radius);
  overflow: hidden;
  background: var(--ink-panel);
  box-shadow: var(--shadow-2);
}

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

/* ---------- 客服电话 ---------- */
.page-contact .phone-desk {
  padding: 0 0 var(--ct-gap-lg);
}

.page-contact .phone-desk__inner {
  position: relative;
  padding: clamp(30px, 5.4vw, 56px) clamp(22px, 4vw, 52px);
  border-radius: var(--ct-radius);
  background: linear-gradient(155deg, var(--ink-layer) 0%, var(--ink-panel) 62%, var(--ink-void) 100%);
  box-shadow: var(--shadow-2);
  overflow: hidden;
}

.page-contact .phone-desk__inner::after {
  content: "";
  position: absolute;
  inset: auto -12% -58% auto;
  width: 46%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 200, 87, .16), transparent 70%);
  pointer-events: none;
}

.page-contact .phone-desk__head {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: clamp(14px, 2.4vw, 22px);
}

.page-contact .phone-desk__num {
  position: relative;
  display: inline-block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(34px, 7.4vw, 58px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--gold);
  text-decoration: none;
  transition: color .24s var(--ease);
}

.page-contact .phone-desk__num:hover,
.page-contact .phone-desk__num:focus-visible {
  color: var(--cyan);
}

.page-contact .phone-desk__note {
  position: relative;
  max-width: 44em;
  margin: clamp(16px, 2.4vw, 22px) 0 clamp(20px, 3vw, 26px);
}

/* ---------- 四类请求 ---------- */
.page-contact .briefs {
  padding: 0 0 var(--ct-gap-lg);
}

.page-contact .briefs__grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(26px, 4vw, 40px);
}

.page-contact .brief {
  border-radius: var(--ct-radius);
  background: linear-gradient(165deg, var(--ink-layer) 0%, var(--ink-panel) 100%);
  box-shadow: var(--shadow-1);
  overflow: hidden;
  transition: transform .28s var(--ease), box-shadow .28s var(--ease);
}

.page-contact .brief:hover,
.page-contact .brief[open] {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2);
}

.page-contact .brief__head {
  list-style: none;
  cursor: pointer;
  padding: clamp(18px, 2.4vw, 22px) clamp(18px, 2.4vw, 22px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 12px;
}

.page-contact .brief__head::-webkit-details-marker {
  display: none;
}

.page-contact .brief__head::marker {
  content: "";
}

.page-contact .brief__meta {
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-width: 0;
}

.page-contact .brief__no {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--text-dim);
}

.page-contact .brief[open] .brief__no {
  color: var(--cyan);
}

.page-contact .brief__name {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-contact .brief__body {
  padding: 0 clamp(18px, 2.4vw, 22px) clamp(20px, 2.6vw, 24px);
  border-top: 1px dashed var(--line);
  margin: 0 clamp(0px, 0vw, 0px);
  padding-top: 16px;
}

.page-contact .brief__body p {
  max-width: 34em;
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .brief__body p:last-child {
  margin-bottom: 0;
}

.page-contact .brief__lead {
  color: var(--cyan);
  font-weight: 600;
}

/* ---------- 通信地址 ---------- */
.page-contact .address-desk {
  padding: 0 0 var(--ct-gap-lg);
}

.page-contact .address-desk__grid {
  display: grid;
  gap: clamp(30px, 5vw, 56px);
  align-items: center;
}

.page-contact .address-desk__value {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  font-size: clamp(20px, 3vw, 30px);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--text);
  word-break: break-word;
}

.page-contact .address-desk__note {
  max-width: 40em;
  margin: clamp(16px, 2.4vw, 22px) 0 clamp(22px, 3vw, 28px);
}

.page-contact .address-desk__figure {
  margin: 0;
  border-radius: var(--ct-radius);
  overflow: hidden;
  background: var(--ink-panel);
  box-shadow: var(--shadow-2);
}

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

/* ---------- 处理节奏 ---------- */
.page-contact .follow-up {
  padding: 0 0 clamp(56px, 9vw, 110px);
}

.page-contact .follow-up__grid {
  display: grid;
  gap: clamp(24px, 3.6vw, 34px);
  margin-top: clamp(26px, 4vw, 40px);
}

.page-contact .follow-up__item {
  padding-top: 18px;
  border-top: 2px solid var(--line);
}

.page-contact .follow-up__item:nth-child(2) {
  border-top-color: var(--cyan);
}

.page-contact .follow-up__item:nth-child(3) {
  border-top-color: var(--flame);
}

.page-contact .follow-up__title {
  margin: 0 0 12px;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-contact .follow-up__text {
  max-width: 34em;
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-contact .follow-up__text a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .follow-up__tail {
  max-width: 46em;
  margin: clamp(34px, 5vw, 52px) 0 0;
}

.page-contact .follow-up__tail a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .briefs__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .follow-up__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .mail-desk__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
  }

  .page-contact .mail-desk__figure {
    margin-top: clamp(10px, 2vw, 26px);
  }

  .page-contact .address-desk__grid {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
  }
}

@media (min-width: 1120px) {
  .page-contact .briefs__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .page-contact .contact-hero__stamp {
    padding-left: 0;
    border-left: 0;
  }

  .page-contact .contact-line__text {
    letter-spacing: 0;
  }

  .page-contact .phone-desk__inner::after {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .brief,
  .page-contact .contact-line,
  .page-contact .phone-desk__num {
    transition: none;
  }

  .page-contact .brief:hover,
  .page-contact .brief[open] {
    transform: none;
  }
}