.page-contact {
  --contact-stack-w: 880px;
  --contact-gap: clamp(48px, 7vw, 92px);
}

.page-contact .contact-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
  padding: clamp(24px, 4vw, 52px) 0 clamp(36px, 6vw, 76px);
}

.page-contact .contact-hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 18px;
  color: var(--cyan);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
}

.page-contact .contact-hero__num {
  font-size: 0.78rem;
  color: var(--cyan);
}

.page-contact .contact-hero__rule {
  display: inline-block;
  width: clamp(32px, 6vw, 64px);
  height: 1px;
  background: var(--line);
}

.page-contact .contact-hero__title {
  margin: 0;
  max-width: 14ch;
  letter-spacing: -0.02em;
  line-height: 1.06;
}

.page-contact .contact-hero__lede {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  max-width: 36em;
  color: var(--muted);
}

.page-contact .contact-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .contact-hero__media {
  margin: 0;
  position: relative;
}

.page-contact .contact-hero__img {
  display: block;
  width: 100%;
  height: clamp(200px, 32vw, 340px);
  object-fit: cover;
  border-radius: var(--r-xl);
  border: 1px solid var(--line);
  background: linear-gradient(155deg, var(--layer), var(--press));
}

.page-contact .contact-stack {
  display: flex;
  flex-direction: column;
  gap: var(--contact-gap);
  max-width: 100%;
  padding-bottom: clamp(40px, 6vw, 80px);
}

.page-contact .contact-section-head {
  margin-bottom: clamp(22px, 3.2vw, 34px);
}

.page-contact .contact-section-head .eyebrow {
  display: block;
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
}

.page-contact .contact-section-head .section-title {
  margin: 0 0 14px;
  letter-spacing: -0.015em;
}

.page-contact .contact-section-head .body-text {
  margin: 0;
  max-width: 40em;
  color: var(--muted);
}

/* ---- 联络渠道卡 ---- */
.page-contact .channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: clamp(16px, 2.4vw, 24px);
}

.page-contact .channel-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  padding: clamp(22px, 3.4vw, 34px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  transition:
    transform var(--t) var(--ease),
    border-color var(--t) var(--ease),
    background-color var(--t) var(--ease);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-2px);
  border-color: var(--cyan);
  background: var(--layer);
}

.page-contact .channel-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: rgba(43, 227, 192, 0.07);
  color: var(--cyan);
  transition: border-color var(--t) var(--ease), color var(--t) var(--ease);
}

.page-contact .channel-card:hover .channel-card__icon {
  border-color: var(--cyan);
  color: var(--cyan-soft);
}

.page-contact .channel-card__body {
  min-width: 0;
}

.page-contact .channel-card__tag {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-contact .channel-card__title {
  margin: 8px 0 0;
  font-size: clamp(1.12rem, 2.1vw, 1.34rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-contact .channel-card__value {
  margin: 10px 0 14px;
  font-size: clamp(0.95rem, 2vw, 1.08rem);
  letter-spacing: 0.04em;
  color: var(--cyan-soft);
  user-select: all;
  overflow-wrap: anywhere;
}

.page-contact .channel-card .body-text {
  margin: 0;
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.75;
}

/* ---- 回复时段 ---- */
.page-contact .window-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-contact .window-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: clamp(18px, 2.6vw, 24px) clamp(18px, 3vw, 28px);
  background: var(--panel);
  transition: background-color var(--t) var(--ease);
}

.page-contact .window-item:hover {
  background: var(--layer);
}

.page-contact .window-item__time {
  margin: 0;
  font-size: 0.88rem;
  letter-spacing: 0.05em;
  color: var(--amber);
  position: relative;
  padding-left: 16px;
}

.page-contact .window-item__time::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--amber);
}

.page-contact .window-item__text {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---- 来信准备 ---- */
.page-contact .brief-list {
  list-style: none;
  counter-reset: brief;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(18px, 2.6vw, 26px);
}

.page-contact .brief-item {
  counter-increment: brief;
  position: relative;
  padding-left: 52px;
}

.page-contact .brief-item::before {
  content: "0" counter(brief);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 3px 7px;
  line-height: 1.2;
}

.page-contact .brief-item__title {
  margin: 0 0 6px;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--text);
}

.page-contact .brief-item__text {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .contact-template-label {
  display: block;
  margin: clamp(28px, 4vw, 40px) 0 12px;
  color: var(--muted);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
}

.page-contact .contact-template {
  margin: 0;
  padding: clamp(18px, 2.8vw, 24px) clamp(18px, 3vw, 26px);
  border-left: 2px solid var(--cyan);
  border-radius: var(--r-md);
  background: var(--layer);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.95;
  letter-spacing: 0.02em;
  color: var(--text);
  overflow-wrap: anywhere;
}

/* ---- 通信地址 ---- */
.page-contact .address-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-xl);
  border: 1px solid var(--line);
  background: var(--panel);
  padding: clamp(24px, 4vw, 44px);
  isolation: isolate;
}

.page-contact .address-card__img {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.16;
  pointer-events: none;
}

.page-contact .address-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(43, 227, 192, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(43, 227, 192, 0.09) 1px, transparent 1px);
  background-size: 46px 46px;
  opacity: 0.55;
}

.page-contact .address-card__content {
  position: relative;
  z-index: 1;
}

.page-contact .address-card__label {
  margin: 0 0 8px;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-contact .address-card__value {
  margin: 0 0 16px;
  font-size: clamp(1.14rem, 2.6vw, 1.5rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-contact .address-card .body-text {
  margin: 0;
  max-width: 34em;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.75;
}

.page-contact .address-card__meta {
  margin-top: clamp(22px, 3vw, 30px);
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-contact .address-card__mono {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  letter-spacing: 0.06em;
  color: var(--cyan-soft);
}

/* ---- 纠错与合作 ---- */
.page-contact .notice-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.4vw, 22px);
}

.page-contact .notice-card {
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--panel);
  transition: border-color var(--t) var(--ease), transform var(--t) var(--ease);
}

.page-contact .notice-card:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
}

.page-contact .notice-card__title {
  margin: 0 0 10px;
  font-size: 1.04rem;
  font-weight: 700;
  color: var(--cyan);
}

.page-contact .notice-card .body-text {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .contact-more {
  margin-top: clamp(28px, 4vw, 40px);
  padding-top: clamp(22px, 3vw, 30px);
  border-top: 1px solid var(--line);
}

.page-contact .contact-more .body-text {
  margin: 0 0 20px;
  max-width: 40em;
  color: var(--muted);
}

.page-contact .contact-more__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .contact-more__links .btn {
  flex: 0 1 auto;
}

@media (min-width: 720px) {
  .page-contact .channel-card {
    grid-template-columns: 54px minmax(0, 1fr);
    gap: clamp(18px, 2.6vw, 26px);
    align-items: start;
  }

  .page-contact .window-item {
    grid-template-columns: 178px minmax(0, 1fr);
    gap: clamp(18px, 3vw, 30px);
    align-items: baseline;
  }

  .page-contact .notice-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .notice-grid .notice-card:first-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 6.5fr) minmax(0, 5.5fr);
    align-items: end;
    column-gap: clamp(32px, 5vw, 68px);
  }

  .page-contact .contact-hero__media {
    transform: translateY(-18px);
  }

  .page-contact .contact-hero__img {
    height: clamp(280px, 26vw, 360px);
  }

  .page-contact .contact-stack {
    max-width: var(--contact-stack-w);
  }

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

  .page-contact .notice-grid .notice-card:first-child {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .channel-card__icon,
  .page-contact .notice-card,
  .page-contact .window-item,
  .page-contact .contact-hero__media {
    transition: none;
    transform: none;
  }
}
<<<END>>>