.page-contact {
  --contact-gap: clamp(20px, 4vw, 40px);
  --contact-card-pad: clamp(18px, 2.4vw, 24px);
  padding-bottom: clamp(48px, 8vw, 96px);
  overflow-x: clip;
}

.page-contact .crumbs {
  margin-top: clamp(16px, 3vw, 28px);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  padding-top: clamp(20px, 3vw, 34px);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: var(--contact-gap);
}

.page-contact .contact-hero__tag {
  margin-bottom: 18px;
}

.page-contact .contact-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 5.6vw, 56px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--ice);
}

.page-contact .contact-hero__lead {
  margin: 0;
  max-width: 62ch;
  color: var(--mist);
}

.page-contact .contact-hero__figure {
  margin: 0;
}

.page-contact .contact-hero__figure .media__inner {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.page-contact .contact-hero__figure img {
  filter: saturate(.9) contrast(1.05);
}

/* ---------- 锚点导航条 ---------- */

.page-contact .jump-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .jump-bar a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 14px 8px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  color: var(--ice);
  font-size: 13px;
  text-decoration: none;
  transition: border-color .18s ease, color .18s ease, background-color .18s ease;
}

.page-contact .jump-bar__idx {
  font-size: 11px;
  color: var(--mist);
  letter-spacing: .04em;
}

.page-contact .jump-bar a:hover,
.page-contact .jump-bar a:focus-visible {
  border-color: var(--green);
  background: var(--lift);
  color: var(--green);
  outline: none;
}

.page-contact .jump-bar a:focus-visible {
  box-shadow: 0 0 0 3px rgba(43, 255, 136, .35);
}

.page-contact .jump-bar a:hover .jump-bar__idx,
.page-contact .jump-bar a:focus-visible .jump-bar__idx {
  color: var(--green);
}

/* ---------- 三个联系入口 ---------- */

.page-contact .reach-grid {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.page-contact .reach-card {
  position: relative;
  padding: var(--contact-card-pad);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow-1);
  scroll-margin-top: 130px;
  transition: border-color .2s ease, transform .2s ease;
}

.page-contact .reach-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 2px;
  border-radius: var(--radius) var(--radius) 0 0;
  background: linear-gradient(90deg, var(--green), rgba(43, 255, 136, 0) 72%);
}

.page-contact .reach-card--phone::before {
  background: linear-gradient(90deg, var(--amber), rgba(255, 176, 32, 0) 72%);
}

.page-contact .reach-card--addr::before {
  background: linear-gradient(90deg, var(--cyan), rgba(79, 209, 255, 0) 72%);
}

.page-contact .reach-card:hover {
  border-color: rgba(43, 255, 136, .42);
}

.page-contact .reach-card__label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--mist);
}

.page-contact .reach-card__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(43, 255, 136, .12);
}

.page-contact .reach-card--phone .reach-card__dot {
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(255, 176, 32, .14);
}

.page-contact .reach-card--addr .reach-card__dot {
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(79, 209, 255, .14);
}

.page-contact .reach-card__value {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(17px, 2.6vw, 22px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--ice);
  word-break: break-word;
  user-select: all;
}

.page-contact .reach-card__value--plain {
  font-family: var(--font-body);
  font-size: clamp(16px, 2.2vw, 19px);
  line-height: 1.5;
  letter-spacing: 0;
}

.page-contact .reach-card__note {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .reach-card__hint {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(143, 160, 184, .8);
}

/* ---------- 路径示意图 ---------- */

.page-contact .path-figure {
  margin: 30px 0 0;
}

.page-contact .path-figure .media__inner {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--panel), var(--bg));
}

/* ---------- 服务时段 ---------- */

.page-contact .cadence {
  margin-top: 26px;
  padding: clamp(20px, 3vw, 32px);
}

.page-contact .cadence__scale {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin-bottom: 12px;
  font-size: 11.5px;
  color: var(--mist);
}

.page-contact .cadence__mark--mid {
  color: var(--green);
}

.page-contact .cadence__track {
  position: relative;
  height: 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg);
  overflow: hidden;
}

.page-contact .cadence__window {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 37.5%;
  width: 37.5%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--green), var(--cyan));
  box-shadow: 0 0 18px -4px rgba(43, 255, 136, .55);
}

.page-contact .cadence-notes {
  display: grid;
  gap: 10px;
  margin-top: 22px;
}

.page-contact .cadence-notes__item {
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--line);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .cadence-notes__k {
  display: block;
  margin-bottom: 3px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--ice);
}

.page-contact .cadence__foot {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: rgba(143, 160, 184, .85);
}

/* ---------- 来函类型 ---------- */

.page-contact .topic-grid {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .topic-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow-1);
  overflow: hidden;
  transition: border-color .2s ease;
}

.page-contact .topic-card:hover,
.page-contact .topic-card[open] {
  border-color: rgba(43, 255, 136, .38);
}

.page-contact .topic-card .fold__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "num title"
    "num hint";
  gap: 6px 14px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
}

.page-contact .topic-card .fold__summary::-webkit-details-marker {
  display: none;
}

.page-contact .topic-card .fold__summary:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px rgba(43, 255, 136, .5);
}

.page-contact .topic-card__num {
  grid-area: num;
  align-self: start;
  padding-top: 2px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--green);
}

.page-contact .topic-card__title {
  grid-area: title;
  font-size: 16px;
  font-weight: 600;
  color: var(--ice);
}

.page-contact .topic-card__hint {
  grid-area: hint;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

.page-contact .topic-card .fold__body {
  padding: 0 20px 20px 47px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.page-contact .topic-card .fold__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 纠错写法 ---------- */

.page-contact .fix-panel {
  margin-top: 26px;
  padding: clamp(22px, 3.4vw, 36px);
  border-left: 3px solid var(--green);
}

.page-contact .fix-panel__title {
  font-size: clamp(21px, 3.2vw, 30px);
}

.page-contact .fix-list {
  display: grid;
  gap: 16px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .fix-list__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
}

.page-contact .fix-list__num {
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--green);
}

.page-contact .fix-list__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 合作方向 ---------- */

.page-contact .coop-grid {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.page-contact .coop-card {
  padding: var(--contact-card-pad);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow-1);
  transition: transform .2s ease, border-color .2s ease;
}

.page-contact .coop-card:hover {
  transform: translateY(-2px);
  border-color: rgba(79, 209, 255, .42);
}

.page-contact .coop-card__num {
  display: inline-block;
  margin: 0 0 14px;
  padding: 2px 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--cyan);
  background: var(--bg);
}

.page-contact .coop-card__title {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ice);
}

.page-contact .coop-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .coop-foot {
  margin: 22px 0 0;
  padding: 16px 18px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 反馈去向 ---------- */

.page-contact .feedback-band {
  display: grid;
  gap: 20px;
  margin-top: 26px;
  padding: clamp(22px, 3.4vw, 38px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 130% at 0% 0%, rgba(43, 255, 136, .1), rgba(43, 255, 136, 0) 58%),
    var(--panel);
  box-shadow: var(--shadow-2);
}

.page-contact .feedback-band__kicker {
  margin: 0 0 12px;
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--green);
}

.page-contact .feedback-band__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 3.2vw, 32px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ice);
}

.page-contact .feedback-band__text {
  margin: 0 0 14px;
  max-width: 66ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .feedback-band__text:last-child {
  margin-bottom: 0;
}

.page-contact .feedback-band__text a {
  color: var(--ice);
  text-decoration: underline;
  text-decoration-color: rgba(43, 255, 136, .6);
  text-underline-offset: 3px;
  transition: color .18s ease;
}

.page-contact .feedback-band__text a:hover,
.page-contact .feedback-band__text a:focus-visible {
  color: var(--green);
  outline: none;
}

/* ---------- 响应式 ---------- */

@media (min-width: 680px) {
  .page-contact .cadence-notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

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

  .page-contact .fix-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    align-items: start;
  }

  .page-contact .fix-list__item {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }
}

@media (min-width: 760px) {
  .page-contact .reach-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: start;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-contact .contact-hero__figure {
    margin-top: 12px;
  }

  .page-contact .topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-contact .feedback-band {
    grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr);
    gap: clamp(24px, 4vw, 52px);
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-contact .coop-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .reach-card,
  .page-contact .coop-card,
  .page-contact .jump-bar a {
    transition: none;
  }

  .page-contact .coop-card:hover {
    transform: none;
  }
}