.page-contact {
  --pc-gap: clamp(18px, 2.4vw, 28px);
}

.page-contact .breadcrumb {
  margin-top: 22px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  margin: 18px 0 0;
  padding: clamp(24px, 3.4vw, 52px) clamp(20px, 3vw, 48px) clamp(24px, 3vw, 42px);
  background:
    linear-gradient(155deg, rgba(23, 54, 45, 0.92) 0%, rgba(8, 15, 13, 0.98) 64%),
    var(--c-carbon);
  border: var(--border-w) solid var(--c-line-strong);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: 12px;
  right: 12px;
  width: 104px;
  height: 104px;
  background-image: repeating-linear-gradient(
    90deg,
    var(--c-line-strong) 0 2px,
    transparent 2px 11px
  );
  opacity: 0.85;
  pointer-events: none;
}

.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  max-width: 22ch;
  font-size: clamp(30px, 5.2vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--c-cream);
}

.page-contact .contact-hero__lede {
  margin: 20px 0 0;
  max-width: 64ch;
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.75;
  color: var(--c-stone);
}

.page-contact .contact-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-hero__media {
  margin: 30px 0 0;
  aspect-ratio: 16 / 7;
  border: var(--border-w) solid var(--c-line-strong);
  box-shadow: var(--shadow-soft);
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.86) contrast(1.06);
}

/* ---------- 受理范围 ---------- */
.page-contact .scope-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

.page-contact .scope-card {
  padding: 22px 20px 26px;
  background: var(--c-panel);
  border-left: 4px solid var(--c-orange);
}

.page-contact .scope-card:nth-child(2) {
  border-left-color: var(--c-blue);
}

.page-contact .scope-card:nth-child(3) {
  border-left-color: var(--c-moss);
}

.page-contact .scope-card__idx {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--c-carbon);
  background: var(--c-orange);
}

.page-contact .scope-card:nth-child(2) .scope-card__idx {
  background: var(--c-blue);
}

.page-contact .scope-card:nth-child(3) .scope-card__idx {
  background: var(--c-moss);
}

.page-contact .scope-card h3 {
  margin: 0 0 10px;
  font-size: clamp(17px, 1.9vw, 20px);
  line-height: 1.35;
  font-weight: 800;
  color: var(--c-cream);
}

.page-contact .scope-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-stone);
}

/* ---------- 渠道与清单 ---------- */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

.page-contact .channel-stack {
  display: grid;
  gap: var(--pc-gap);
  align-content: start;
}

.page-contact .channel {
  position: relative;
  padding: 24px clamp(18px, 2.4vw, 30px) 26px;
  background: var(--c-panel);
  border: var(--border-w) solid var(--c-line-strong);
  border-left: 6px solid var(--c-orange);
  box-shadow: var(--shadow-soft);
}

.page-contact .channel--phone {
  border-left-color: var(--c-moss);
}

.page-contact .channel__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-stone);
}

.page-contact .channel__value {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(17px, 2.4vw, 28px);
  line-height: 1.3;
  font-weight: 700;
  color: var(--c-orange);
  letter-spacing: 0.01em;
  word-break: break-all;
  user-select: all;
}

.page-contact .channel--phone .channel__value {
  color: var(--c-orange-soft);
}

.page-contact .channel__note {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-stone);
}

.page-contact .checklist {
  padding: 0;
  background: var(--c-panel);
  border: var(--border-w) solid var(--c-line-strong);
}

.page-contact .checklist .panel__head {
  padding: 22px clamp(18px, 2.4vw, 28px) 16px;
  border-bottom: 1px solid var(--c-line);
}

.page-contact .checklist .panel__body {
  padding: 20px clamp(18px, 2.4vw, 28px) 26px;
}

.page-contact .checklist__list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .check-item {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 11px 13px;
  border: 1px solid var(--c-line);
  background: rgba(8, 15, 13, 0.5);
  cursor: pointer;
  transition: border-color 0.18s ease, background 0.18s ease;
}

.page-contact .check-item:hover {
  border-color: var(--c-line-strong);
}

.page-contact .check-item input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
}

.page-contact .check-item input:focus-visible + .check-item__box {
  outline: 2px solid var(--c-blue);
  outline-offset: 2px;
}

.page-contact .check-item__box {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  margin-top: 3px;
  border: var(--border-w) solid var(--c-stone);
  background: transparent;
  transition: background 0.18s ease, border-color 0.18s ease;
}

.page-contact .check-item input:checked + .check-item__box {
  background: var(--c-orange);
  border-color: var(--c-orange);
}

.page-contact .check-item:has(input:checked) {
  border-color: var(--c-orange);
  background: rgba(255, 106, 26, 0.08);
}

.page-contact .check-item__text {
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-cream);
}

.page-contact .draft-lines {
  margin-top: 26px;
  padding-top: 20px;
  border-top: var(--border-w) solid var(--c-line-strong);
}

.page-contact .draft-lines__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-moss);
}

.page-contact .draft-lines__list {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .draft-lines__list li {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 10px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--c-stone);
}

.page-contact .draft-lines__num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--c-orange-soft);
}

.page-contact .contact-aside {
  margin: 26px 0 0;
  max-width: 70ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-stone);
}

.page-contact .contact-aside__link {
  color: var(--c-orange-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 163, 92, 0.5);
}

.page-contact .contact-aside__link:hover,
.page-contact .contact-aside__link:focus-visible {
  color: var(--c-orange);
  border-bottom-color: var(--c-orange);
}

/* ---------- 处理节奏 ---------- */
.page-contact .rhythm-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

.page-contact .rhythm {
  position: relative;
  margin: 0;
  padding: 0 0 0 34px;
  list-style: none;
}

.page-contact .rhythm::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(
    180deg,
    var(--c-orange) 0%,
    var(--c-orange-soft) 24%,
    var(--c-moss) 66%,
    rgba(111, 135, 121, 0.22) 100%
  );
}

.page-contact .rhythm__item {
  position: relative;
  padding-bottom: 26px;
  outline: none;
}

.page-contact .rhythm__item:nth-child(2) {
  padding-bottom: 36px;
}

.page-contact .rhythm__item:nth-child(3) {
  padding-bottom: 46px;
}

.page-contact .rhythm__item:nth-child(4) {
  padding-bottom: 56px;
}

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

.page-contact .rhythm__dot {
  position: absolute;
  left: -34px;
  top: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--c-carbon);
  border: 3px solid var(--c-orange);
  transition: background 0.18s ease;
}

.page-contact .rhythm__item:nth-child(3) .rhythm__dot {
  border-color: var(--c-orange-soft);
}

.page-contact .rhythm__item:nth-child(4) .rhythm__dot {
  border-color: var(--c-moss);
}

.page-contact .rhythm__item:nth-child(5) .rhythm__dot {
  border-color: var(--c-clay);
}

.page-contact .rhythm__item:hover .rhythm__dot,
.page-contact .rhythm__item:focus-visible .rhythm__dot {
  background: var(--c-orange);
}

.page-contact .rhythm__time {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-orange-soft);
}

.page-contact .rhythm__title {
  margin: 6px 0 0;
  font-size: clamp(17px, 1.9vw, 19px);
  line-height: 1.35;
  font-weight: 800;
  color: var(--c-cream);
}

.page-contact .rhythm__desc {
  margin: 8px 0 0;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-stone);
}

.page-contact .rhythm__detail {
  margin: 0;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-moss);
  transition: max-height 0.28s ease, opacity 0.28s ease, margin-top 0.28s ease;
}

.page-contact .rhythm__item:hover .rhythm__detail,
.page-contact .rhythm__item:focus-visible .rhythm__detail {
  max-height: 160px;
  opacity: 1;
  margin-top: 8px;
}

.page-contact .rhythm-figure {
  margin: 0;
  border: var(--border-w) solid var(--c-line-strong);
  box-shadow: var(--shadow-soft);
}

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

/* ---------- 所在地与备案 ---------- */
.page-contact .coord {
  border-top: var(--border-w) solid var(--c-line-strong);
}

.page-contact .coord__row {
  display: grid;
  grid-template-columns: minmax(84px, 120px) minmax(0, 1fr);
  gap: 8px 20px;
  align-items: baseline;
  padding: 15px 0;
  border-bottom: 1px solid var(--c-line);
}

.page-contact .coord__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-moss);
}

.page-contact .coord__val {
  font-size: clamp(14px, 1.6vw, 17px);
  line-height: 1.65;
  color: var(--c-cream);
  word-break: break-word;
  user-select: all;
}

.page-contact .coord__val--mono {
  font-family: var(--font-mono);
  color: var(--c-orange);
  letter-spacing: 0.02em;
  word-break: break-all;
}

.page-contact .coord__note {
  margin: 22px 0 0;
  max-width: 70ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-stone);
}

/* ---------- 响应式 ---------- */
@media (max-width: 480px) {
  .page-contact .contact-hero::before {
    width: 62px;
    height: 62px;
  }

  .page-contact .coord__row {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }
}

@media (min-width: 900px) {
  .page-contact .scope-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .scope-card:nth-child(2) {
    margin-top: 30px;
  }

  .page-contact .scope-card:nth-child(3) {
    margin-top: 60px;
  }
}

@media (min-width: 960px) {
  .page-contact .channel-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .rhythm-layout {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .coord__row {
    grid-template-columns: minmax(120px, 160px) minmax(0, 1fr);
  }
}
<<<END>>>