.page-contact {
  --contact-gap: 20px;
}

/* 面包屑与首屏 */
.page-contact .breadcrumb {
  padding-top: 18px;
}

.page-contact .contact-hero-wrap {
  padding-top: 12px;
}

.page-contact .contact-hero {
  display: grid;
  gap: 32px;
  grid-template-columns: 1fr;
}

.page-contact .contact-title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 7.2vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.18;
  color: var(--ink);
  margin: 6px 0 0;
}

.page-contact .contact-hero__main > .lead {
  margin-top: 18px;
  max-width: 62ch;
  color: var(--text-soft);
}

/* 联系渠道列表 */
.page-contact .channel-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .channel {
  display: grid;
  gap: 6px;
  padding: 18px 18px 20px;
  background: var(--paper);
  border: 2px solid var(--ink);
  border-radius: var(--radius-card);
  box-shadow: 4px 4px 0 rgba(196, 211, 196, 0.9);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.page-contact .channel:hover {
  transform: translateY(-2px);
  box-shadow: 6px 6px 0 var(--moss);
  border-color: var(--clover);
}

.page-contact .channel__label {
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clover);
}

.page-contact .channel__value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.06rem, 4.2vw, 1.5rem);
  line-height: 1.35;
  color: var(--ink);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .channel__value--tel {
  letter-spacing: 0.01em;
}

.page-contact .channel__note {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text-soft);
}

/* 首屏侧栏 */
.page-contact .contact-hero__side {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .path-note {
  display: inline-block;
  padding: 8px 12px;
  font-size: 0.76rem;
  color: var(--clover);
  background: var(--clover-soft);
  border: 1px dashed var(--clover-line);
  border-radius: var(--radius-pill);
  overflow-wrap: anywhere;
}

.page-contact .contact-hero__side .note {
  font-size: 0.84rem;
  line-height: 1.75;
  color: var(--text-soft);
}

/* 邮箱双卡 */
.page-contact .mail-grid {
  display: grid;
  gap: var(--contact-gap);
  grid-template-columns: 1fr;
  margin-top: 22px;
}

.page-contact .mail-card {
  padding: 22px 20px 24px;
  border: 2px solid var(--ink);
  border-radius: var(--radius-card);
  background: var(--paper);
  box-shadow: var(--shadow-soft);
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-contact .mail-card--service {
  background: linear-gradient(180deg, rgba(185, 227, 111, 0.28), var(--paper) 62%);
  box-shadow: 6px 6px 0 var(--clover);
}

.page-contact .mail-card--general {
  background: linear-gradient(180deg, rgba(111, 182, 199, 0.22), var(--paper) 62%);
}

.page-contact .mail-card__role {
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--ink);
  background: var(--spring);
  border-radius: var(--radius-pill);
  padding: 4px 10px;
  justify-self: start;
}

.page-contact .mail-card--general .mail-card__role {
  background: var(--summer);
}

.page-contact .mail-card__addr {
  font-family: var(--font-mono);
  font-size: clamp(0.92rem, 3.6vw, 1.16rem);
  font-weight: 600;
  color: var(--clover);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .mail-card__text {
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--text-soft);
}

.page-contact .mail-card__meta {
  font-size: 0.74rem;
  color: var(--moss);
  border-top: 1px dashed var(--line);
  padding-top: 10px;
}

/* 咨询准备 */
.page-contact .prep-section {
  background: linear-gradient(180deg, rgba(47, 125, 79, 0.06), transparent 70%);
}

.page-contact .prep-grid {
  display: grid;
  gap: 28px;
  grid-template-columns: 1fr;
}

.page-contact .prep-intro .lead {
  max-width: 40ch;
  color: var(--text-soft);
}

.page-contact .prep-intro .note {
  display: block;
  margin-top: 14px;
  font-size: 0.84rem;
  line-height: 1.75;
  color: var(--moss);
}

.page-contact .prep-list {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-contact .prep-item {
  border: 2px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--paper);
  padding: 0 16px;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.page-contact .prep-item[open] {
  border-color: var(--clover);
  box-shadow: 4px 4px 0 var(--clover-soft);
}

.page-contact .prep-item__summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--ink);
}

.page-contact .prep-item__summary::-webkit-details-marker {
  display: none;
}

.page-contact .prep-item__box {
  flex: none;
  width: 18px;
  height: 18px;
  border: 2px solid var(--moss);
  border-radius: 5px;
  position: relative;
  background: var(--mist);
}

.page-contact .prep-item[open] .prep-item__box {
  background: var(--clover);
  border-color: var(--clover);
}

.page-contact .prep-item[open] .prep-item__box::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 0px;
  width: 5px;
  height: 10px;
  border-right: 2px solid var(--paper);
  border-bottom: 2px solid var(--paper);
  transform: rotate(40deg);
}

.page-contact .prep-item__body {
  padding: 0 0 16px 30px;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--text-soft);
}

.page-contact .prep-item__body p + p {
  margin-top: 8px;
}

.page-contact .prep-item__body .mono {
  font-size: 0.76rem;
  color: var(--clover);
  padding: 6px 10px;
  background: var(--clover-soft);
  border-radius: 6px;
  display: inline-block;
  overflow-wrap: anywhere;
}

/* 适用问题 */
.page-contact .issue-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-contact .issue {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px 14px;
  padding: 20px 4px;
  border-bottom: 1px solid var(--line);
  align-items: start;
  transition: background-color 0.18s ease;
}

.page-contact .issue:hover {
  background: rgba(47, 125, 79, 0.05);
}

.page-contact .issue__no {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--gold);
  padding-top: 2px;
}

.page-contact .issue__title {
  font-family: var(--font-display);
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}

.page-contact .issue__text {
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--text-soft);
  margin: 0;
}

.page-contact .issue__link {
  grid-column: 2;
  justify-self: start;
}

.page-contact .issue-foot {
  margin-top: 16px;
  font-size: 0.84rem;
  color: var(--moss);
}

.page-contact .issue-foot a {
  color: var(--clover);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 回复范围 */
.page-contact .scope-side {
  display: grid;
  align-content: start;
  gap: 12px;
  margin-top: 8px;
}

.page-contact .scope-card {
  border-width: 2px;
  border-style: solid;
  border-color: var(--ink);
  box-shadow: var(--shadow-soft);
  background: var(--paper);
}

.page-contact .scope-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .scope-list li {
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--text-soft);
  padding-left: 16px;
  position: relative;
}

.page-contact .scope-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--clover);
}

.page-contact .scope-card .note {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--text-soft);
}

/* 地址与备案下沉条 */
.page-contact .addr-section {
  padding-bottom: clamp(40px, 8vw, 72px);
}

.page-contact .addr-band {
  display: grid;
  gap: 24px;
  grid-template-columns: 1fr;
  padding: 28px 22px 30px;
  background: var(--ink);
  border-radius: 18px;
  border-top: 4px solid var(--gold);
  box-shadow: 8px 8px 0 rgba(47, 125, 79, 0.35);
}

.page-contact .addr-band .section__index {
  background: transparent;
  border-color: var(--gold);
  color: var(--gold);
}

.page-contact .addr-band .section__title {
  color: var(--mist);
}

.page-contact .addr-band__addr {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 4.4vw, 1.6rem);
  font-weight: 700;
  line-height: 1.45;
  color: var(--spring);
  margin: 16px 0 12px;
}

.page-contact .addr-band__note {
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(241, 245, 238, 0.82);
  max-width: 48ch;
}

.page-contact .addr-band__icp {
  margin-top: 18px;
  display: inline-block;
  font-size: 0.78rem;
  color: var(--gold);
  border: 1px solid rgba(217, 164, 65, 0.6);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
}

.page-contact .addr-band__media {
  align-self: start;
  box-shadow: 6px 6px 0 rgba(217, 164, 65, 0.55);
}

.page-contact .addr-band__media .media-frame__caption {
  background: var(--ink);
  color: var(--mist);
}

/* 焦点可见性 */
.page-contact a:focus-visible,
.page-contact summary:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
  border-radius: 4px;
}

/* 响应式 */
@media (min-width: 720px) {
  .page-contact .mail-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .issue {
    grid-template-columns: 40px 1fr auto;
    align-items: center;
  }

  .page-contact .issue__link {
    grid-column: 3;
    justify-self: end;
  }

  .page-contact .addr-band {
    grid-template-columns: 1.15fr 1fr;
    align-items: center;
    padding: 34px 30px 36px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

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

  .page-contact .prep-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 52px;
    align-items: start;
  }

  .page-contact .prep-intro {
    position: sticky;
    top: 96px;
  }

  .page-contact .scope-side {
    margin-top: 34px;
  }
}

@media (min-width: 1120px) {
  .page-contact .contact-title {
    font-size: 3.6rem;
  }

  .page-contact .addr-band {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 48px;
  }
}