.page-contact {
  --c-stick-top: 24px;
  --c-term-pad: 24px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  background: linear-gradient(180deg, rgba(20, 106, 140, .07) 0%, rgba(243, 246, 247, 0) 70%);
}
.page-contact .contact-hero__inner {
  display: grid;
  gap: 16px;
  padding-block: 40px 28px;
  max-width: 760px;
}
.page-contact .contact-hero__inner .eyebrow {
  margin: 0;
  color: var(--lake);
  letter-spacing: .14em;
}
.page-contact .contact-hero__inner h1 {
  margin: 0;
  font-size: clamp(29px, 5.4vw, 52px);
  line-height: 1.14;
  letter-spacing: -.02em;
  font-weight: 800;
  color: var(--lake-deep);
}
.page-contact .contact-hero__inner .lead {
  margin: 0;
  max-width: 58ch;
  color: var(--rock);
  line-height: 1.75;
}

.page-contact .contact-hero__media {
  margin: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--lake-deep);
}
.page-contact .contact-hero__media.media--wide {
  aspect-ratio: auto;
}
.page-contact .contact-hero__media .media__img {
  display: block;
  width: 100%;
  height: clamp(210px, 30vw, 440px);
  object-fit: cover;
}
.page-contact .contact-hero__media .media__cap {
  background: rgba(8, 23, 29, .74);
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  padding: 6px 10px;
}

/* ---------- 主体双栏 ---------- */
.page-contact .contact-main {
  padding-block: 56px 16px;
}
.page-contact .contact-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 48px;
}
.page-contact .contact-lede {
  margin: 0;
  max-width: 56ch;
  color: var(--rock);
  font-size: 15.5px;
  line-height: 1.75;
}
.page-contact .contact-more {
  margin: 36px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--rock);
  max-width: 60ch;
}
.page-contact .contact-more a {
  color: var(--lake);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 1px;
}
.page-contact .contact-more a:hover {
  border-bottom-color: var(--lake);
}

/* ---------- 联系渠道 ---------- */
.page-contact .chan-list {
  margin-top: 26px;
}
.page-contact .chan {
  display: grid;
  gap: 10px;
  padding: 26px 0;
  border-top: 1px solid var(--line);
}
.page-contact .chan:last-child {
  border-bottom: 1px solid var(--line);
}
.page-contact .chan__head {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.page-contact .chan__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--rock-light);
}
.page-contact .chan__name {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
}
.page-contact .chan__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.6vw, 21px);
  letter-spacing: .01em;
  overflow-wrap: anywhere;
}
.page-contact .chan__value a {
  color: var(--lake);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}
.page-contact .chan__value a:hover {
  border-bottom-color: var(--lake);
}
.page-contact .chan__use {
  margin: 0;
  max-width: 54ch;
  color: var(--rock);
  font-size: 15px;
  line-height: 1.72;
}
.page-contact .chan__act {
  margin-top: 4px;
}

/* ---------- 准备材料清单 ---------- */
.page-contact .prep {
  margin-top: 68px;
}
.page-contact .prep-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
}
.page-contact .prep-item {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 6px 16px;
  padding: 18px 0;
  border-top: 1px solid var(--line-soft);
}
.page-contact .prep-item:last-child {
  border-bottom: 1px solid var(--line-soft);
}
.page-contact .prep-item__mark {
  grid-row: 1 / span 2;
  width: 24px;
  height: 24px;
  margin-top: 2px;
  border: 1px solid var(--term);
  position: relative;
}
.page-contact .prep-item__mark::after {
  content: "";
  position: absolute;
  left: 8px;
  top: 4px;
  width: 5px;
  height: 10px;
  border-right: 2px solid var(--term);
  border-bottom: 2px solid var(--term);
  transform: rotate(42deg);
}
.page-contact .prep-item__label {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .02em;
  color: var(--lake-deep);
}
.page-contact .prep-item__hint {
  font-size: 14px;
  line-height: 1.68;
  color: var(--rock);
}

/* ---------- 右侧终端面板 ---------- */
.page-contact .contact-side {
  display: grid;
  gap: 20px;
  align-content: start;
}
.page-contact .contact-side__media {
  margin: 0;
  background: var(--ink);
}
.page-contact .contact-side__media.media--wide {
  aspect-ratio: 10 / 7;
}
.page-contact .contact-side__media .media__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .contact-term {
  padding: var(--c-term-pad);
  display: grid;
  gap: 14px;
  align-content: start;
}
.page-contact .contact-term .panel__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: .06em;
  color: var(--lime);
}
.page-contact .contact-term .panel__body {
  display: grid;
  gap: 8px;
}
.page-contact .contact-term .prompt {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--rock-light);
}
.page-contact .contact-term .term-line {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--term);
}
.page-contact .contact-term .term-note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: #AEBAC0;
}
.page-contact .contact-term .term-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 7px;
}
.page-contact .contact-term .term-list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.62;
  color: var(--mist);
}
.page-contact .contact-term .term-list li::before {
  content: "›";
  position: absolute;
  left: 0;
  font-family: var(--font-mono);
  color: var(--term);
}
.page-contact .contact-term .term-link {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(229, 255, 79, .45);
  padding-bottom: 1px;
}
.page-contact .contact-term .term-link:hover {
  border-bottom-color: var(--lime);
}

/* ---------- 结论示例 ---------- */
.page-contact .contact-outcomes {
  padding-block: 64px 88px;
}
.page-contact .contact-outcomes .rule {
  margin-bottom: 44px;
}
.page-contact .outcome-list {
  margin-top: 28px;
  display: grid;
}
.page-contact .outcome {
  padding: 22px 0 22px 22px;
  border-left: 3px solid var(--lime);
  border-bottom: 1px solid var(--line-soft);
  background: linear-gradient(90deg, rgba(229, 255, 79, .18), rgba(229, 255, 79, 0) 26%);
}
.page-contact .outcome:first-child {
  border-top: 1px solid var(--line-soft);
}
.page-contact .outcome__case {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--lake);
}
.page-contact .outcome__case::before {
  content: "情况 / ";
  color: var(--rock-light);
}
.page-contact .outcome__result {
  margin: 0;
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.74;
  color: var(--rock);
}

/* ---------- 焦点可见 ---------- */
.page-contact a:focus-visible,
.page-contact button:focus-visible {
  outline: 2px solid var(--lake);
  outline-offset: 3px;
}
.page-contact .contact-term a:focus-visible {
  outline-color: var(--lime);
}

/* ---------- 响应式 ---------- */
@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    padding-block: 56px 36px;
  }
  .page-contact .contact-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: start;
  }
  .page-contact .contact-side {
    position: sticky;
    top: var(--c-stick-top);
    align-self: start;
  }
  .page-contact .contact-main {
    padding-block: 72px 24px;
  }
}

@media (min-width: 1240px) {
  .page-contact .contact-hero__inner {
    max-width: 820px;
  }
  .page-contact .contact-term {
    --c-term-pad: 28px;
  }
}

@media (max-width: 599px) {
  .page-contact .chan__head {
    gap: 8px;
  }
  .page-contact .outcome {
    padding-left: 16px;
  }
  .page-contact .contact-outcomes {
    padding-block: 48px 64px;
  }
}
<<<END>>>