.page-contact {
  --contact-line: rgba(232, 241, 238, 0.14);
  --contact-line-strong: rgba(111, 247, 208, 0.38);
  --contact-gap: clamp(56px, 10vw, 112px);
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-contact .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-contact .breadcrumb a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan-line);
}

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

.page-contact .breadcrumb a:focus-visible,
.page-contact .contact-scene__cap a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(92px, 15vw, 168px) 0 clamp(32px, 5vw, 48px);
  background:
    radial-gradient(circle at 12% -20%, var(--ink-700) 0%, transparent 58%),
    radial-gradient(circle at 92% 8%, rgba(111, 247, 208, 0.08) 0%, transparent 46%),
    var(--ink-900);
}

.page-contact .contact-hero__latin {
  margin: clamp(32px, 6vw, 52px) 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--cyan);
}

.page-contact .contact-hero__title {
  margin: 14px 0 0;
  max-width: 18ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.25rem, 8.4vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-contact .contact-hero__lede {
  margin: 22px 0 0;
  max-width: 62ch;
  font-size: 17px;
  line-height: 1.8;
  color: var(--paper-soft);
}

/* ---------- 细刻度开场线 ---------- */
.page-contact .contact-rule {
  height: 16px;
  border-bottom: 1px solid var(--contact-line);
  background-image: repeating-linear-gradient(
    to right,
    var(--contact-line-strong) 0 1px,
    transparent 1px 24px
  );
  background-size: 24px 8px;
  background-repeat: repeat-x;
  background-position: 0 0;
}

/* ---------- 通用标题组 ---------- */
.page-contact .contact-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-contact .contact-h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.75rem, 5.6vw, 2.85rem);
  line-height: 1.12;
  letter-spacing: -0.012em;
  color: var(--paper);
}

.page-contact .contact-head {
  max-width: 34ch;
}

/* ---------- 咨询渠道 ---------- */
.page-contact .contact-channels {
  padding-top: var(--contact-gap);
}

.page-contact .contact-channels__list {
  list-style: none;
  margin: clamp(30px, 5vw, 52px) 0 0;
  padding: 0;
  display: grid;
  border-top: 1px solid var(--contact-line);
}

.page-contact .contact-channel {
  display: grid;
  gap: 10px;
  padding: clamp(24px, 4.5vw, 40px) 0;
  border-bottom: 1px solid var(--contact-line);
}

.page-contact .contact-channel__tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--mist);
}

.page-contact .contact-channel__value {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(1.2rem, 5.2vw, 2.4rem);
  line-height: 1.25;
  letter-spacing: 0.02em;
  color: var(--cyan);
  overflow-wrap: anywhere;
  user-select: all;
}

.page-contact .contact-channel__meta {
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 画面 ---------- */
.page-contact .contact-scene {
  margin: clamp(44px, 7.5vw, 84px) 0 0;
}

.page-contact .contact-scene__frame,
.page-contact .contact-desk__figure {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--ink-800);
}

.page-contact .contact-scene__frame {
  aspect-ratio: 3 / 2;
}

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

.page-contact .contact-scene__cap {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 问题归类 ---------- */
.page-contact .contact-topics {
  padding-top: var(--contact-gap);
}

.page-contact .contact-topics__grid {
  display: grid;
  gap: 1px;
  margin-top: clamp(30px, 5vw, 52px);
  background: var(--contact-line);
  border: 1px solid var(--contact-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-contact .topic {
  display: grid;
  align-content: start;
  gap: 12px;
  padding: clamp(24px, 4.5vw, 36px);
  background: var(--ink-800);
  transition: background 0.32s var(--ease);
}

.page-contact .topic:hover {
  background: var(--ink-700);
}

.page-contact .topic__chip {
  justify-self: start;
  padding: 6px 13px;
  border-radius: 999px;
  border: 1px solid var(--cyan-line);
  background: var(--cyan-soft);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  white-space: nowrap;
}

.page-contact .topic__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.32rem;
  line-height: 1.25;
  color: var(--paper);
}

.page-contact .topic__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--mist);
}

.page-contact .topic__how {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--contact-line);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--paper-soft);
}

/* ---------- 发送前准备 ---------- */
.page-contact .contact-prep {
  padding-top: var(--contact-gap);
}

.page-contact .prep-list {
  list-style: none;
  margin: clamp(28px, 5vw, 46px) 0 0;
  padding: 0;
  display: grid;
  max-width: 78ch;
  border-top: 1px solid var(--contact-line);
}

.page-contact .prep-item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--contact-line);
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-soft);
}

.page-contact .prep-item__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-contact .prep-item__text strong {
  color: var(--paper);
  font-weight: 600;
}

/* ---------- 时间与来信地址 ---------- */
.page-contact .contact-desk {
  padding-top: var(--contact-gap);
}

.page-contact .contact-desk__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(40px, 7vw, 72px);
}

.page-contact .hours {
  margin: clamp(28px, 5vw, 46px) 0 0;
  display: grid;
  border-top: 1px solid var(--contact-line);
}

.page-contact .hours__row {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--contact-line);
}

.page-contact .hours dt {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-contact .hours dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--paper-soft);
}

.page-contact .contact-desk__addr-title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.4rem, 4vw, 1.85rem);
  line-height: 1.25;
  color: var(--paper);
}

.page-contact .addr {
  display: block;
  margin: 20px 0 0;
  font-style: normal;
  font-family: var(--font-mono);
  font-size: clamp(1.02rem, 3.4vw, 1.32rem);
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .contact-desk__addr-note {
  margin: 16px 0 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .region-figure {
  display: block;
  width: 100%;
  max-width: 340px;
  height: auto;
  margin-top: clamp(24px, 4vw, 36px);
  color: var(--cyan);
  opacity: 0.72;
}

.page-contact .contact-desk__figure-wrap {
  margin: clamp(44px, 7.5vw, 84px) 0 0;
}

.page-contact .contact-desk__figure {
  aspect-ratio: 16 / 9;
}

/* ---------- 斜切收束带 ---------- */
.page-contact .contact-slant {
  height: clamp(56px, 9vw, 96px);
  margin-top: clamp(56px, 9vw, 104px);
  background: linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 100%);
  clip-path: polygon(0 46%, 100% 0, 100% 100%, 0 100%);
  transform: translate3d(0, var(--band-shift, 0px), 0);
}

/* ---------- 备案信息带 ---------- */
.page-contact .contact-end {
  background: var(--ink-800);
  padding: clamp(24px, 4vw, 36px) 0 clamp(40px, 6vw, 64px);
}

.page-contact .contact-end__shell {
  display: grid;
  gap: 22px;
  padding-top: clamp(20px, 3vw, 28px);
  border-top: 1px solid var(--cyan-line);
}

.page-contact .contact-end__icp {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--paper);
}

.page-contact .contact-end__region {
  margin: 6px 0 0;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-contact .contact-end__meta p {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--mist);
  overflow-wrap: anywhere;
}

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

/* ---------- 滚动显现 ---------- */
.js .page-contact [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.32s var(--ease), transform 0.32s var(--ease);
  transition-delay: var(--rd, 0ms);
}

.page-contact [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 键盘可达 ---------- */
.page-contact a:focus-visible,
.page-contact .contact-channel__value:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 760px) {
  .page-contact .contact-end__shell {
    grid-template-columns: 1fr auto;
    align-items: end;
    gap: 48px;
  }

  .page-contact .contact-end__meta {
    text-align: right;
  }

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

  .page-contact .contact-channel {
    padding: clamp(32px, 4vw, 48px) clamp(28px, 3.5vw, 48px) clamp(32px, 4vw, 48px) 0;
    border-top: 1px solid var(--contact-line);
  }

  .page-contact .contact-channel + .contact-channel {
    padding-left: clamp(28px, 3.5vw, 48px);
    border-left: 1px solid var(--contact-line);
  }
}

@media (min-width: 820px) {
  .page-contact .contact-topics__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 920px) {
  .page-contact .contact-desk__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .hours__row {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 28px;
    align-items: baseline;
  }

  .page-contact .contact-desk__figure-wrap {
    margin-top: clamp(56px, 6vw, 84px);
  }
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .js .page-contact [data-reveal],
  .page-contact [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-contact .contact-slant {
    transform: none;
  }

  .page-contact .topic {
    transition: none;
  }
}
<<<END>>>

.page-contact {
  --band-shift: inherit;
  --rd: 0.3s;
}