.page-contact {
  --contact-radius: 26px;
  --contact-rule: 1px solid var(--line);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(28px, 5vw, 60px);
  padding-bottom: clamp(24px, 4vw, 44px);
}

.page-contact .contact-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 6.2vw, 4.4rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--paper);
  margin: 0 0 clamp(16px, 2.4vw, 26px);
  max-width: 18ch;
}

.page-contact .contact-hero__title::before {
  content: "";
  display: block;
  width: 56px;
  height: 2px;
  margin-bottom: clamp(18px, 3vw, 30px);
  border-radius: 2px;
  background: var(--signal);
}

.page-contact .contact-hero__lead {
  margin: 0;
  max-width: 54ch;
  color: var(--fog);
  font-size: 1rem;
  line-height: 1.85;
}

/* ---------- 大号联系卡 ---------- */
.page-contact .contact-card {
  margin-bottom: clamp(56px, 9vw, 110px);
}

.page-contact .contact-card__inner {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 3.6vw, 48px);
  border: var(--contact-rule);
  border-radius: var(--contact-radius);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(18, 63, 91, 0.85), transparent 62%),
    linear-gradient(165deg, var(--harbor), var(--abyss) 74%);
}

.page-contact .contact-card__inner::after {
  content: "";
  position: absolute;
  right: -90px;
  bottom: -130px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(61, 224, 240, 0.16), transparent 70%);
  transform: rotate(-12deg);
  pointer-events: none;
}

.page-contact .contact-card__main {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.page-contact .contact-card__h {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.4vw, 1.65rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--paper);
}

.page-contact .channel-list {
  list-style: none;
  margin: clamp(16px, 2.4vw, 26px) 0 0;
  padding: 0;
}

.page-contact .channel {
  padding: clamp(16px, 2vw, 22px) 0;
  border-top: var(--contact-rule);
}

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

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

.page-contact .channel__label {
  margin: 0 0 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--signal);
}

.page-contact .channel__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  margin: 0;
}

.page-contact .channel__value {
  font-family: var(--font-mono);
  font-size: clamp(0.9375rem, 1.8vw, 1.0625rem);
  font-variant-numeric: tabular-nums;
  line-height: 1.6;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .channel__use {
  margin: 10px 0 0;
  max-width: 48ch;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--fog);
  transition: color var(--dur) var(--ease);
}

.page-contact .channel:focus-within .channel__use {
  color: var(--mist);
}

.page-contact .channel__copy,
.page-contact .sample__copy,
.page-contact .address__copy {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--mist);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 5px 12px;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-contact .channel__copy:hover,
.page-contact .sample__copy:hover,
.page-contact .address__copy:hover {
  border-color: var(--signal);
  color: var(--signal);
}

.page-contact .channel__copy:focus-visible,
.page-contact .sample__copy:focus-visible,
.page-contact .address__copy:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.page-contact .channel__copy[data-copied="true"],
.page-contact .sample__copy[data-copied="true"],
.page-contact .address__copy[data-copied="true"] {
  border-color: var(--ember);
  color: var(--ember-soft);
  background: rgba(255, 122, 51, 0.1);
}

.page-contact .contact-card__figure {
  position: relative;
  z-index: 1;
  margin: 26px 0 0;
}

/* ---------- 通用图形容器 ---------- */
.page-contact .contact-card__figure img,
.page-contact .address__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: var(--contact-rule);
  border-radius: 18px;
  object-fit: cover;
}

/* ---------- 来信写法 ---------- */
.page-contact .mail-how {
  margin-bottom: clamp(56px, 9vw, 110px);
}

.page-contact .mail-how__lead {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 60ch;
  color: var(--fog);
  line-height: 1.85;
}

.page-contact .mail-how__grid {
  display: grid;
  gap: clamp(24px, 3.2vw, 40px);
  margin-top: clamp(24px, 3.4vw, 38px);
}

.page-contact .mail-how__format {
  border-left: 2px solid var(--signal);
  padding-left: clamp(16px, 2vw, 22px);
}

.page-contact .mail-how__rule {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--mist);
  overflow-wrap: anywhere;
}

.page-contact .mail-how__note {
  margin: 0;
  max-width: 46ch;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--fog);
}

.page-contact .sample-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .sample {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 16px;
  padding: 14px 16px;
  border: var(--contact-rule);
  border-radius: 14px;
  background: rgba(18, 63, 91, 0.42);
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-contact .sample:hover {
  transform: translateY(-2px);
  background: rgba(18, 63, 91, 0.7);
}

.page-contact .sample__text {
  flex: 1 1 200px;
  min-width: 0;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--paper);
  overflow-wrap: anywhere;
}

/* ---------- 请求分类 ---------- */
.page-contact .requests {
  margin-bottom: clamp(56px, 9vw, 110px);
}

.page-contact .request-list {
  list-style: none;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
}

.page-contact .request {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px clamp(14px, 2vw, 26px);
  padding: clamp(18px, 2.4vw, 26px) 0;
  border-top: var(--contact-rule);
}

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

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

.page-contact .request__no {
  padding-top: 5px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--signal);
}

.page-contact .request__body {
  min-width: 0;
}

.page-contact .request__name {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--paper);
}

.page-contact .request__need {
  margin: 0;
  max-width: 62ch;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--fog);
}

/* ---------- 回复时段 ---------- */
.page-contact .response {
  margin-bottom: clamp(56px, 9vw, 110px);
}

.page-contact .response__inner {
  display: grid;
  gap: clamp(22px, 3vw, 32px);
  align-items: start;
  padding-top: clamp(24px, 3.4vw, 40px);
  border-top: var(--contact-rule);
}

.page-contact .response__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(3rem, 9vw, 5.2rem);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--signal);
  font-variant-numeric: tabular-nums;
}

.page-contact .response__num span {
  display: block;
  margin-top: 12px;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  line-height: 1.6;
  color: var(--fog);
}

.page-contact .response__body {
  min-width: 0;
}

.page-contact .response__list {
  list-style: none;
  margin: clamp(16px, 2.2vw, 24px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .response__item {
  display: grid;
  grid-template-columns: 8px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--fog);
}

.page-contact .response__item::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-top: 10px;
  border-radius: 50%;
  background: var(--signal);
}

/* ---------- 通信地址 ---------- */
.page-contact .address {
  margin-bottom: clamp(48px, 7vw, 88px);
}

.page-contact .address__figure {
  margin: 0 0 clamp(16px, 2.4vw, 24px);
}

.page-contact .address__panel {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 3.4vw, 44px);
  border: var(--contact-rule);
  border-radius: 24px;
  background-color: var(--harbor);
  background-image:
    linear-gradient(to right, rgba(61, 224, 240, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(61, 224, 240, 0.07) 1px, transparent 1px);
  background-size: 44px 44px;
}

.page-contact .address__value {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
  margin: clamp(14px, 2vw, 20px) 0 clamp(14px, 2vw, 20px);
  font-family: var(--font-mono);
  font-size: clamp(0.9375rem, 1.8vw, 1.0625rem);
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .address__value span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.page-contact .address__note {
  margin: 0 0 12px;
  max-width: 62ch;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--fog);
}

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

/* ---------- 收束线 ---------- */
.page-contact .contact-end {
  border-top: 1px solid var(--ember);
  margin-bottom: clamp(40px, 6vw, 72px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 860px) {
  .page-contact .mail-how__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: clamp(32px, 5vw, 72px);
  }
}

@media (min-width: 900px) {
  .page-contact .contact-card__inner {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(28px, 4vw, 64px);
    align-items: start;
  }

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

@media (min-width: 820px) {
  .page-contact .response__inner {
    grid-template-columns: minmax(0, 0.42fr) minmax(0, 1fr);
    gap: clamp(28px, 5vw, 76px);
  }
}

@media (max-width: 560px) {
  .page-contact .channel__copy,
  .page-contact .sample__copy,
  .page-contact .address__copy {
    font-size: 0.78rem;
    padding: 4px 10px;
  }

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

  .page-contact .request__no {
    padding-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .sample:hover {
    transform: none;
  }
}
<<<END>>>