.page-contact {
  --contact-line: var(--line);
  --contact-shadow: 10px 10px 0 rgba(0, 0, 0, .42);
  --contact-glow: rgba(53, 232, 166, .09);
  padding-bottom: 96px;
}

.page-contact .contact-intro {
  max-width: 820px;
  padding: 12px 0 6px;
}

.page-contact .contact-title {
  margin: 12px 0 0;
  font-size: clamp(42px, 9vw, 88px);
  line-height: .94;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-contact .contact-lede {
  margin-top: 20px;
  max-width: 56ch;
  color: var(--text);
}

.page-contact .contact-tickline {
  height: 7px;
  margin: 34px 0 0;
  border-bottom: 1px solid var(--contact-line);
  background-image: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 26px);
}

.page-contact .contact-banner {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1600 / 600;
  object-fit: cover;
  margin-top: 26px;
  border: 1px solid var(--contact-line);
  box-shadow: var(--contact-shadow);
}

/* ---------- 三条联系条带 ---------- */

.page-contact .contact-channels {
  margin-top: 72px;
}

.page-contact .contact-strips {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 26px;
}

.page-contact .strip {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px 26px;
  border-left: 3px solid var(--cyan);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .strip:hover {
  transform: translateY(-4px);
}

.page-contact .strip--mail {
  border-left-color: var(--cyan);
}

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

.page-contact .strip--phone:hover {
  border-left-color: var(--cyan);
}

.page-contact .strip--addr {
  border-left-color: var(--moss);
}

.page-contact .strip--addr:hover {
  border-left-color: var(--orange);
}

.page-contact .label--cyan {
  color: var(--cyan);
}

.page-contact .strip__mail {
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.4vw, 21px);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--white);
  text-decoration: none;
  word-break: break-all;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--cyan);
  align-self: flex-start;
  max-width: 100%;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-contact .strip__mail:hover,
.page-contact .strip__mail:focus-visible {
  color: var(--cyan);
  background-color: var(--contact-glow);
  outline: none;
}

.page-contact .strip__phone {
  margin: 0;
  font-size: clamp(27px, 5vw, 38px);
  line-height: 1.04;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-contact .strip__addr {
  margin: 0;
  max-width: 13ch;
  font-size: 15px;
  line-height: 1.5;
  letter-spacing: .01em;
  color: var(--white);
}

.page-contact .strip__addr span {
  display: block;
}

.page-contact .strip__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--silver);
}

.page-contact .strip__hint {
  margin: auto 0 0;
  padding-top: 12px;
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--orange);
  border-top: 1px solid var(--contact-line);
}

/* ---------- 受理范围 ---------- */

.page-contact .contact-scope {
  margin-top: 84px;
}

.page-contact .scope-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
  margin-top: 26px;
}

.page-contact .scope-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .scope-item {
  padding: 20px 14px 22px;
  margin-inline: -14px;
  border-top: 1px solid var(--contact-line);
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .scope-item:last-child {
  border-bottom: 1px solid var(--contact-line);
}

.page-contact .scope-item:hover,
.page-contact .scope-item:focus-within {
  background-color: rgba(36, 72, 60, .3);
  border-top-color: var(--cyan);
}

.page-contact .scope-item__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px 12px;
}

.page-contact .scope-item__title {
  margin: 0;
  font-size: 20px;
  line-height: 1.3;
  color: var(--white);
}

.page-contact .scope-item__desc {
  margin: 9px 0 0;
  max-width: 62ch;
  color: var(--text);
}

.page-contact .scope-item__example {
  margin: 12px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--contact-line);
  font-size: 14px;
  line-height: 1.65;
  color: var(--silver);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .scope-item:hover .scope-item__example,
.page-contact .scope-item:focus-within .scope-item__example {
  border-left-color: var(--orange);
  color: var(--text);
}

.page-contact .scope-media {
  margin: 0;
}

.page-contact .scope-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 800 / 600;
  object-fit: cover;
  border: 1px solid var(--contact-line);
  box-shadow: var(--contact-shadow);
}

.page-contact .scope-media .media__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--silver);
}

/* ---------- 响应节奏 ---------- */

.page-contact .contact-sla {
  margin-top: 84px;
}

.page-contact .sla-band {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 26px;
  background-color: var(--contact-line);
  border: 1px solid var(--contact-line);
}

.page-contact .sla-cell {
  padding: 22px 20px 26px;
  background-color: var(--panel);
}

.page-contact .sla-cell__num {
  margin: 0;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.1;
  letter-spacing: -.01em;
  color: var(--cyan);
}

.page-contact .sla-cell--urgent .sla-cell__num {
  color: var(--orange);
}

.page-contact .sla-cell__label {
  margin: 8px 0 0;
  font-size: 13px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--silver);
}

.page-contact .sla-cell__desc {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
}

/* ---------- 自助入口 ---------- */

.page-contact .contact-prep {
  margin-top: 84px;
}

.page-contact .prep-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  counter-reset: prep;
}

.page-contact .prep-item {
  display: grid;
  grid-template-columns: 34px 1fr 20px;
  grid-template-areas:
    "idx title go"
    "idx desc  go";
  align-items: start;
  gap: 4px 12px;
  padding: 18px 14px 20px;
  margin-inline: -14px;
  border-top: 1px solid var(--contact-line);
  text-decoration: none;
  transition: background-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .prep-list li:last-child .prep-item {
  border-bottom: 1px solid var(--contact-line);
}

.page-contact .prep-item:hover,
.page-contact .prep-item:focus-visible {
  background-color: rgba(36, 72, 60, .3);
  transform: translateX(4px);
  outline: none;
}

.page-contact .prep-item__idx {
  grid-area: idx;
  font-size: 14px;
  line-height: 1.6;
  color: var(--cyan);
}

.page-contact .prep-item__title {
  grid-area: title;
  font-size: 18px;
  line-height: 1.4;
  color: var(--white);
}

.page-contact .prep-item__desc {
  grid-area: desc;
  font-size: 15px;
  line-height: 1.7;
  color: var(--silver);
}

.page-contact .prep-item__go {
  grid-area: go;
  align-self: center;
  font-size: 18px;
  color: var(--moss);
  transition: color var(--dur) var(--ease);
}

.page-contact .prep-item:hover .prep-item__go,
.page-contact .prep-item:focus-visible .prep-item__go {
  color: var(--cyan);
}

/* ---------- 纠错与合作 ---------- */

.page-contact .contact-coop {
  margin-top: 84px;
}

.page-contact .coop-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 26px;
}

.page-contact .coop-card {
  padding: 26px 24px 28px;
  background-color: var(--panel);
  border: 1px solid var(--contact-line);
  border-top: 3px solid var(--cyan);
  box-shadow: 10px 10px 0 rgba(0, 0, 0, .35);
}

.page-contact .coop-card--alt {
  border-top-color: var(--orange);
}

.page-contact .coop-card__title {
  margin: 0;
  font-size: 21px;
  line-height: 1.35;
  color: var(--white);
}

.page-contact .coop-card ul {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

.page-contact .coop-card li {
  position: relative;
  padding-left: 20px;
  margin-top: 11px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--text);
}

.page-contact .coop-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .74em;
  width: 10px;
  height: 2px;
  background-color: var(--cyan);
}

.page-contact .coop-card--alt li::before {
  background-color: var(--orange);
}

/* ---------- 页脚注 ---------- */

.page-contact .contact-footnote {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 28px;
  margin-top: 64px;
  padding-top: 18px;
  border-top: 1px solid var(--contact-line);
}

.page-contact .contact-footnote__icp {
  margin: 0;
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--silver);
}

.page-contact .contact-footnote__note {
  margin: 0;
  max-width: 60ch;
  font-size: 14px;
  line-height: 1.7;
}

/* ---------- 断点 ---------- */

@media (min-width: 700px) {
  .page-contact .sla-band {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .prep-item {
    grid-template-columns: 44px minmax(0, 190px) minmax(0, 1fr) 24px;
    grid-template-areas: "idx title desc go";
    align-items: center;
    gap: 6px 18px;
    padding: 20px 16px 22px;
  }
}

@media (min-width: 920px) {
  .page-contact .contact-strips {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr) minmax(0, 1.12fr);
    gap: 22px;
    align-items: start;
  }

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

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

  .page-contact .scope-layout {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
    gap: 48px;
    align-items: start;
  }

  .page-contact .coop-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: 30px;
  }

  .page-contact .coop-card--alt {
    margin-top: 36px;
  }
}

@media (min-width: 1100px) {
  .page-contact .contact-title {
    font-size: 88px;
  }

  .page-contact .scope-media {
    position: sticky;
    top: 108px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .strip,
  .page-contact .prep-item,
  .page-contact .scope-item,
  .page-contact .scope-item__example,
  .page-contact .prep-item__go {
    transition: none;
  }

  .page-contact .strip:hover,
  .page-contact .prep-item:hover,
  .page-contact .prep-item:focus-visible {
    transform: none;
  }
}