.page-contact {
  --c-pad: clamp(18px, 2.6vw, 36px);
  --c-gap: clamp(24px, 4vw, 48px);
  --c-cut: 26px;
  --c-hair: 1px solid var(--line);
  background: var(--ink-900);
  padding-bottom: clamp(48px, 8vw, 120px);
}

.page-contact .container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--edge);
  padding-right: var(--edge);
}

.page-contact .breadcrumb {
  padding-top: clamp(18px, 3vw, 34px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-intro {
  padding-top: clamp(20px, 3.4vw, 44px);
}

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

.page-contact .contact-intro__title {
  margin: 14px 0 0;
  color: var(--chalk-100);
}

.page-contact .contact-intro__lede {
  margin-top: clamp(16px, 2.4vw, 26px);
  max-width: 62ch;
  color: var(--chalk-400);
}

/* ---------- 联系卡 ---------- */
.page-contact .contact-card {
  margin-top: clamp(32px, 5vw, 56px);
  display: grid;
  grid-template-columns: 1fr;
  border-radius: 0;
  overflow: hidden;
}

.page-contact .contact-card__fields {
  padding: var(--c-pad);
  display: grid;
  gap: clamp(24px, 3.2vw, 38px);
}

.page-contact .contact-field {
  display: grid;
  gap: 10px;
  min-width: 0;
}

.page-contact .contact-field__value {
  display: inline-block;
  color: var(--chalk-100);
  text-decoration: none;
  line-height: 1.2;
  border-bottom: 1px solid transparent;
  word-break: break-word;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-contact .contact-field__value--mail {
  font-family: var(--font-num);
  font-size: clamp(1rem, 4vw, 1.85rem);
  font-weight: 700;
  letter-spacing: 0.01em;
  overflow-wrap: anywhere;
}

.page-contact .contact-field__value--tel {
  font-family: var(--font-num);
  font-size: clamp(1.6rem, 7vw, 2.7rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--amber-count);
}

.page-contact a.contact-field__value:hover,
.page-contact a.contact-field__value:focus-visible {
  color: var(--cyan-signal);
  border-bottom-color: var(--cyan-dim);
}

.page-contact .contact-field__value--addr {
  font-family: var(--font-body);
  font-size: clamp(1rem, 2.6vw, 1.3rem);
  font-weight: 600;
  color: var(--chalk-100);
}

.page-contact .contact-field__hint {
  margin: 0;
  max-width: 48ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--chalk-400);
}

.page-contact .contact-card__aside {
  padding: var(--c-pad);
  border-top: var(--c-hair);
  background: var(--glass);
}

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

.page-contact .entry-list__item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 0;
  border-bottom: var(--c-hair);
  font-size: 14px;
  color: var(--chalk-100);
}

.page-contact .entry-list__item:last-child {
  border-bottom: 0;
}

.page-contact .entry-list__route {
  flex: none;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan-signal);
  white-space: nowrap;
}

/* ---------- 时段条 ---------- */
.page-contact .contact-duty {
  padding-top: clamp(28px, 4vw, 52px);
}

.page-contact .duty {
  padding: var(--c-pad);
  background-color: var(--ink-800);
  background-image: repeating-linear-gradient(
    90deg,
    transparent 0 42px,
    rgba(53, 242, 208, 0.035) 42px 84px
  );
  border: var(--c-hair);
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-contact .duty__lead {
  display: grid;
  gap: 6px;
}

.page-contact .duty__hours {
  font-size: clamp(1.6rem, 6vw, 2.4rem);
  font-weight: 700;
  color: var(--amber-count);
  letter-spacing: 0.02em;
}

.page-contact .duty__note {
  margin: 0;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--chalk-400);
}

.page-contact .duty__track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
}

.page-contact .duty__tick {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--chalk-400);
}

.page-contact .duty__tick::before {
  content: "";
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan-dim);
}

.page-contact .duty__tick:last-child::before {
  background: var(--amber-count);
}

/* ---------- 呼吸区图片 ---------- */
.page-contact .contact-breath {
  padding-top: clamp(36px, 6vw, 76px);
}

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

/* ---------- 电话适用场景 ---------- */
.page-contact .contact-phone {
  padding-top: clamp(40px, 7vw, 88px);
}

.page-contact .phone-tip {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  padding-top: clamp(24px, 4vw, 40px);
  border-top: 2px solid var(--grass-700);
}

.page-contact .phone-tip__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 4.6vw, 2.4rem);
  font-weight: 800;
  line-height: 1.25;
  color: var(--chalk-100);
}

.page-contact .phone-tip__body {
  display: grid;
  gap: 16px;
  max-width: 68ch;
}

.page-contact .phone-tip__body p {
  margin: 0;
  line-height: 1.8;
  color: var(--chalk-400);
}

.page-contact .phone-tip__body p:first-child {
  color: var(--chalk-100);
}

/* ---------- 问题分类四格 ---------- */
.page-contact .contact-routes {
  padding-top: clamp(48px, 8vw, 104px);
}

.page-contact .contact-routes__head {
  margin-bottom: clamp(24px, 3.6vw, 44px);
}

.page-contact .contact-routes__head h2 {
  font-family: var(--font-head);
  font-size: clamp(1.7rem, 5vw, 2.8rem);
  font-weight: 800;
  color: var(--chalk-100);
  margin: 8px 0 0;
}

.page-contact .route-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .route-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 210px;
  padding: clamp(20px, 2.4vw, 28px);
  background: var(--glass);
  border: var(--c-hair);
  transition: border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-contact .route-card:hover,
.page-contact .route-card:focus-within {
  border-color: var(--cyan-signal);
  background: rgba(53, 242, 208, 0.06);
}

.page-contact .route-card--a {
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--c-cut) 100%, 0 calc(100% - var(--c-cut)));
}

.page-contact .route-card--b {
  clip-path: polygon(0 0, calc(100% - var(--c-cut)) 0, 100% var(--c-cut), 100% 100%, 0 100%);
}

.page-contact .route-card__tag {
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--cyan-signal);
}

.page-contact .route-card__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.1rem, 3vw, 1.35rem);
  font-weight: 800;
  color: var(--chalk-100);
}

.page-contact .route-card__body {
  margin: 0;
  flex: 1;
  font-size: 14px;
  line-height: 1.78;
  color: var(--chalk-400);
}

.page-contact .route-card__to {
  margin: 0;
  padding-top: 12px;
  border-top: var(--c-hair);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber-count);
}

/* ---------- 写邮件的要点 ---------- */
.page-contact .contact-brief {
  padding-top: clamp(44px, 7vw, 96px);
}

.page-contact .brief {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
  padding: clamp(24px, 3.4vw, 44px);
  background: var(--ink-800);
  border-left: 3px solid var(--cyan-signal);
}

.page-contact .brief__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: clamp(1.4rem, 4.2vw, 2.1rem);
  font-weight: 800;
  color: var(--chalk-100);
}

.page-contact .brief__list {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-contact .brief__row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-top: var(--c-hair);
}

.page-contact .brief__row:last-child {
  border-bottom: var(--c-hair);
}

.page-contact .brief__key {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan-signal);
}

.page-contact .brief__val {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--chalk-100);
}

/* ---------- 自助入口 ---------- */
.page-contact .contact-self {
  padding-top: clamp(48px, 8vw, 104px);
}

.page-contact .self-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.page-contact .self-grid__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 4.6vw, 2.3rem);
  font-weight: 800;
  line-height: 1.25;
  color: var(--chalk-100);
}

.page-contact .self-grid__lede {
  margin: 14px 0 0;
  max-width: 52ch;
  color: var(--chalk-400);
}

.page-contact .self-list {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-contact .self-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--chalk-400);
}

.page-contact .self-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 2px;
  background: var(--cyan-signal);
}

.page-contact .self-list li a {
  margin-right: 6px;
  font-size: 15px;
  font-weight: 600;
}

.page-contact .self-grid__fig {
  margin: 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .route-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .brief__row {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }

  .page-contact .duty {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

  .page-contact .duty__track {
    justify-content: flex-end;
  }
}

@media (min-width: 860px) {
  .page-contact .contact-card {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  }

  .page-contact .contact-card__aside {
    border-top: 0;
    border-left: var(--c-hair);
  }

  .page-contact .phone-tip {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: clamp(28px, 4vw, 64px);
  }

  .page-contact .self-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  }
}

@media (min-width: 1100px) {
  .page-contact .route-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .contact-field__hint {
    font-size: 15px;
  }
}
<<<END>>>