.page-contact {
  --contact-narrow: 46rem;
  --contact-glow-cyan: rgba(25, 227, 208, .10);
  --contact-glow-orange: rgba(255, 122, 47, .09);
}

/* 首屏 */
.page-contact .contact-intro {
  position: relative;
  padding-block: clamp(1.5rem, 4vw, 2.5rem) clamp(2.5rem, 6vw, 4.5rem);
}

.page-contact .contact-intro::before {
  content: "";
  position: absolute;
  inset: -30% -8% auto -8%;
  height: 78%;
  background:
    radial-gradient(58% 100% at 22% 0%, var(--contact-glow-cyan), transparent 72%),
    radial-gradient(48% 100% at 88% 12%, var(--contact-glow-orange), transparent 72%);
  pointer-events: none;
  z-index: 0;
}

.page-contact .contact-intro > * {
  position: relative;
  z-index: 1;
}

.page-contact .contact-intro h1 {
  margin: 1rem 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 6.4vw, 3.7rem);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--text-1);
  max-width: 20ch;
}

.page-contact .contact-intro .lede {
  margin-top: 1.15rem;
  max-width: 40rem;
  color: var(--text-2);
  font-size: clamp(.98rem, 1.6vw, 1.06rem);
  line-height: 1.8;
}

.page-contact .jump {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1.9rem;
}

.page-contact .jump a {
  display: inline-block;
  padding: .45rem .72rem;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--text-2);
  text-decoration: none;
  transition: color .12s var(--ease), border-color .12s var(--ease);
}

.page-contact .jump a:hover,
.page-contact .jump a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* 01 承诺与回声 */
.page-contact .compare__head {
  max-width: 46rem;
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
}

.page-contact .compare__head .section-title,
.page-contact .response .section-title,
.page-contact .sheet .section-title,
.page-contact .routes .section-title,
.page-contact .channels .section-title {
  margin: .55rem 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.45rem, 3.6vw, 2.15rem);
  line-height: 1.2;
  letter-spacing: -.015em;
  color: var(--text-1);
}

.page-contact .compare__head .lede,
.page-contact .routes__head .lede,
.page-contact .channels__head .lede,
.page-contact .response .lede,
.page-contact .sheet .lede {
  margin-top: .9rem;
  color: var(--text-2);
  line-height: 1.8;
  font-size: .97rem;
  max-width: 38rem;
}

.page-contact .compare__media {
  position: relative;
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
  overflow: hidden;
}

.page-contact .compare__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 10, 24, .10), rgba(5, 10, 24, .78));
  pointer-events: none;
}

.page-contact .compare__media img {
  max-width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .compare__media .media-frame__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  margin: 0;
  padding: .7rem .9rem;
  font-size: .72rem;
  line-height: 1.6;
  color: var(--text-2);
  border-top: 1px solid var(--line-soft);
  background: rgba(5, 10, 24, .55);
}

.page-contact .compare__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

.page-contact .compare__divider {
  display: none;
}

.page-contact .compare__panel {
  padding: clamp(1.15rem, 3vw, 1.75rem);
}

.page-contact .compare__panel .panel__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: .75rem;
  padding-bottom: .85rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 1.1rem;
}

.page-contact .compare__panel .panel__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--text-1);
}

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

.page-contact .promise__step {
  padding-block: 1.05rem;
  border-top: 1px solid var(--line-soft);
}

.page-contact .promise__step:first-child {
  border-top: 0;
  padding-top: 0;
}

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

.page-contact .promise__time {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.7rem, 5vw, 2.3rem);
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-contact .promise__time span {
  font-size: .9rem;
  margin-left: .3rem;
  letter-spacing: .05em;
  color: var(--cyan-soft);
}

.page-contact .promise__name {
  margin: .3rem 0 0;
  font-size: .8rem;
  letter-spacing: .12em;
  color: var(--text-3);
}

.page-contact .promise__body {
  margin: .5rem 0 0;
  color: var(--text-2);
  font-size: .93rem;
  line-height: 1.75;
}

.page-contact .meters {
  display: grid;
  gap: .95rem;
}

.page-contact .meter__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: .75rem;
  margin-bottom: .45rem;
}

.page-contact .meter__label {
  font-size: .85rem;
  color: var(--text-2);
}

.page-contact .meter__value {
  font-family: var(--font-mono);
  font-size: .92rem;
  color: var(--text-1);
  font-variant-numeric: tabular-nums;
}

.page-contact .meter__track {
  height: 6px;
  background: rgba(234, 242, 255, .08);
  overflow: hidden;
}

.page-contact .meter__bar {
  display: block;
  height: 100%;
  width: var(--v, 0%);
  background: linear-gradient(90deg, var(--cyan), var(--cyan-soft));
}

.page-contact .meter__bar--orange {
  background: linear-gradient(90deg, var(--orange), #FFAE6B);
}

.page-contact .echo {
  list-style: none;
  margin: 1.35rem 0 0;
  padding: 0;
  display: grid;
  gap: .7rem;
}

.page-contact .echo li {
  position: relative;
  padding-left: 1rem;
  font-size: .9rem;
  line-height: 1.72;
  color: var(--text-2);
}

.page-contact .echo li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 8px;
  height: 1px;
  background: var(--magenta);
}

.page-contact .echo b {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--text-1);
}

.page-contact .echo a,
.page-contact .sheet__note a,
.page-contact .routes__note a,
.page-contact .field__hint a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(25, 227, 208, .35);
}

.page-contact .echo a:hover,
.page-contact .sheet__note a:hover,
.page-contact .routes__note a:hover,
.page-contact .field__hint a:hover {
  border-bottom-color: var(--cyan);
}

/* 02 响应时效 */
.page-contact .response__card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 2.5rem);
  padding: clamp(1.15rem, 3.5vw, 2.4rem);
}

.page-contact .response__main .lede {
  max-width: 34rem;
}

.page-contact .figures {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.25rem, 4vw, 3rem);
  margin-top: clamp(1.25rem, 3vw, 1.9rem);
}

.page-contact .figure__num {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(2.5rem, 9vw, 4.4rem);
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--text-1);
  font-variant-numeric: tabular-nums;
}

.page-contact .figure__num span {
  font-size: .3em;
  margin-inline: .12em 0;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-contact .figure__label {
  margin: .55rem 0 0;
  font-size: .76rem;
  letter-spacing: .1em;
  color: var(--text-3);
}

.page-contact .response__meta {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin-top: 1.35rem;
}

.page-contact .response__notes {
  list-style: none;
  margin: 1.3rem 0 0;
  padding: 0;
  display: grid;
  gap: .6rem;
}

.page-contact .response__notes li {
  padding-top: .6rem;
  border-top: 1px solid var(--line-soft);
  font-size: .88rem;
  line-height: 1.7;
  color: var(--text-2);
}

.page-contact .response__notes b {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--text-1);
}

.page-contact .response__media {
  width: 100%;
  align-self: start;
}

.page-contact .response__media img {
  max-width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 03 填写要点 */
.page-contact .sheet__shell {
  max-width: var(--contact-narrow);
  margin-inline: auto;
}

.page-contact .sheet__fields {
  margin-top: clamp(1.4rem, 3vw, 2rem);
  border: 1px solid var(--line);
  background: var(--glass-soft);
}

.page-contact .field {
  display: grid;
  gap: .35rem;
  padding: .95rem 1rem;
  border-bottom: 1px solid var(--line-soft);
  transition: border-color .12s var(--ease), background .12s var(--ease);
}

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

.page-contact .field:hover {
  background: var(--glass);
  box-shadow: inset 2px 0 0 var(--cyan);
}

.page-contact .field__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-contact .field__hint {
  margin: 0;
  font-size: .93rem;
  line-height: 1.75;
  color: var(--text-2);
}

.page-contact .sheet__note {
  margin: 1.25rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line-soft);
  font-size: .88rem;
  line-height: 1.75;
  color: var(--text-3);
}

/* 04 处理路径 */
.page-contact .routes__head {
  max-width: 46rem;
  margin-bottom: clamp(1.4rem, 3vw, 2rem);
}

.page-contact .routes__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-contact .route {
  padding: 1.15rem 0 1.25rem;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .route__num {
  margin: 0 0 .5rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .14em;
  color: var(--orange);
}

.page-contact .route__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-1);
}

.page-contact .route__body {
  margin: .5rem 0 0;
  font-size: .9rem;
  line-height: 1.78;
  color: var(--text-2);
}

.page-contact .route__eta {
  margin: .7rem 0 0;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--text-1);
}

.page-contact .route__eta span {
  display: inline-block;
  margin-right: .5rem;
  padding: .12rem .4rem;
  border: 1px solid var(--line);
  color: var(--text-3);
  letter-spacing: .08em;
}

.page-contact .routes__note {
  margin: 1.3rem 0 0;
  font-size: .88rem;
  line-height: 1.75;
  color: var(--text-3);
}

/* 05 联系方式 */
.page-contact .channels__head {
  max-width: 46rem;
  margin-bottom: clamp(1.25rem, 3vw, 1.75rem);
}

.page-contact .channels__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .channel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: .2rem .75rem;
  padding-block: .85rem;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .channel__label {
  grid-column: 1 / -1;
  margin: 0;
  font-size: .7rem;
  letter-spacing: .12em;
  color: var(--text-3);
}

.page-contact .channel__value {
  grid-column: 1 / 2;
  margin: 0;
  font-size: .95rem;
  line-height: 1.55;
  color: var(--text-1);
  word-break: break-word;
}

.page-contact .channel__value--mono {
  font-family: var(--font-mono);
  letter-spacing: .01em;
  font-variant-numeric: tabular-nums;
}

.page-contact .channel__use {
  grid-column: 1 / -1;
  margin: .1rem 0 0;
  font-size: .82rem;
  line-height: 1.65;
  color: var(--text-2);
}

.page-contact .channel .copy-btn {
  grid-column: 2 / 3;
  grid-row: 2 / 3;
  align-self: center;
  padding: .28rem .58rem;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .08em;
  cursor: pointer;
  transition: color .12s var(--ease), border-color .12s var(--ease);
}

.page-contact .channel .copy-btn:hover,
.page-contact .channel .copy-btn:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .channel .copy-btn[data-copied] {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .channels__note {
  margin: 1.35rem 0 0;
  padding: .9rem 1rem;
  border-left: 2px solid var(--cyan);
  background: var(--glass-soft);
  font-size: .85rem;
  line-height: 1.75;
  color: var(--text-2);
}

/* 响应式 */
@media (min-width: 720px) {
  .page-contact .field {
    grid-template-columns: 8.5rem minmax(0, 1fr);
    gap: 1.25rem;
    align-items: start;
    padding: 1.05rem 1.25rem;
  }

  .page-contact .routes__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(1.5rem, 4vw, 3rem);
  }

  .page-contact .channel {
    grid-template-columns: 8.5rem minmax(0, 1fr) auto;
    column-gap: 1.25rem;
    align-items: center;
    padding-block: .75rem;
  }

  .page-contact .channel__label {
    grid-column: 1 / 2;
    align-self: start;
    padding-top: .18rem;
  }

  .page-contact .channel__value {
    grid-column: 2 / 3;
  }

  .page-contact .channel__use {
    grid-column: 2 / 3;
  }

  .page-contact .channel .copy-btn {
    grid-column: 3 / 4;
    grid-row: 1 / 2;
    align-self: center;
  }
}

@media (min-width: 900px) {
  .page-contact .compare__grid {
    grid-template-columns: minmax(0, 1fr) 1px minmax(0, 1fr);
    gap: clamp(1.5rem, 3.5vw, 2.75rem);
    align-items: stretch;
  }

  .page-contact .compare__divider {
    display: block;
    width: 1px;
    background: linear-gradient(180deg, transparent, var(--cyan) 18%, var(--cyan) 82%, transparent);
    opacity: .75;
  }

  .page-contact .response__card {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-contact .contact-intro h1 {
    font-size: clamp(3rem, 4.6vw, 3.9rem);
  }

  .page-contact .figure__num {
    font-size: clamp(3.4rem, 5.6vw, 5rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .jump a,
  .page-contact .field,
  .page-contact .channel .copy-btn {
    transition: none;
  }
}

.page-contact {
  --v: 1rem;
}