.page-contact {
  --contact-card-gap: 16px;
  --contact-step-rail: 34px;
}

.page-contact .contact-hero {
  position: relative;
  padding: 26px 0 10px;
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: -40% -10% auto auto;
  width: 62%;
  height: 190%;
  background: linear-gradient(200deg, rgba(198, 255, 61, 0.1), rgba(11, 31, 26, 0) 62%);
  transform: rotate(9deg);
  pointer-events: none;
}

.page-contact .contact-hero__grid {
  position: relative;
  display: grid;
  gap: 26px;
}

.page-contact .contact-hero__title {
  margin: 12px 0 0;
  font-size: clamp(34px, 8.4vw, 74px);
  line-height: 0.98;
  color: var(--white);
  letter-spacing: -0.01em;
}

.page-contact .contact-hero__lead .lede {
  margin-top: 18px;
  max-width: 60ch;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-contact .contact-hero__quick {
  position: relative;
  padding: 22px 20px;
  background: linear-gradient(155deg, var(--ink-2), var(--ink-3));
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
}

.page-contact .contact-hero__quick::after {
  content: "";
  position: absolute;
  left: 20px;
  right: 20px;
  top: 0;
  height: 3px;
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, var(--lime), rgba(198, 255, 61, 0));
}

.page-contact .contact-quick-list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-quick-list__item {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  align-items: baseline;
  justify-content: space-between;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-quick-list__item:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-contact .contact-quick-list__key {
  flex: 1 1 60%;
  font-size: 14px;
  line-height: 1.6;
  color: var(--body);
}

.page-contact .contact-quick-list__go {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 255, 61, 0.4);
  padding-bottom: 2px;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .contact-quick-list__go:hover {
  color: var(--lime-soft);
  border-color: var(--lime-soft);
}

/* 联系卡带 */
.page-contact .contact-channels__grid {
  display: grid;
  gap: var(--contact-card-gap);
  grid-template-columns: 1fr;
  margin-top: 26px;
}

.page-contact .contact-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .contact-card:hover {
  transform: translateY(-2px);
  border-color: var(--lime);
}

.page-contact .contact-card__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .contact-card__value {
  margin: 0;
  color: var(--white);
  font-weight: 700;
  line-height: 1.35;
}

.page-contact .contact-card__value--mail,
.page-contact .contact-card__value--tel {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 17px;
  letter-spacing: 0.01em;
  word-break: break-all;
}

.page-contact .contact-card__value--text {
  font-size: 17px;
  line-height: 1.5;
}

.page-contact .contact-card__topics {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--body);
}

.page-contact .contact-card__meta {
  margin: auto 0 0;
  padding-top: 12px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.page-contact .contact-card--address {
  background: linear-gradient(160deg, var(--ink-2), var(--ink-3));
}

.page-contact .contact-card--live {
  border-color: rgba(198, 255, 61, 0.55);
  background: linear-gradient(150deg, #17392c, var(--ink-2) 72%);
  box-shadow: inset 0 0 0 1px rgba(198, 255, 61, 0.12);
}

.page-contact .contact-card--live .contact-card__value--text {
  font-size: 18px;
}

.page-contact .contact-card--live .card__flag {
  margin: 0;
}

/* 主图 */
.page-contact .contact-visual {
  margin: 40px 0 0;
}

.page-contact .contact-visual .note {
  margin-top: 12px;
  display: block;
}

.page-contact .contact-visual .media-frame__img {
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* 反馈入口说明 */
.page-contact .feedback-split {
  display: grid;
  gap: 32px;
}

.page-contact .feedback-split__lede {
  margin: 14px 0 0;
}

.page-contact .feedback-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-contact .feedback-list__item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 16px 16px 14px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
}

.page-contact .feedback-list__num {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--lime);
  line-height: 1.2;
}

.page-contact .feedback-list__title {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
}

.page-contact .feedback-list__desc {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--body);
}

.page-contact .feedback-split__hint {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--lime-soft);
  border-left: 3px solid var(--lime);
  border-radius: 0 var(--r-md) var(--r-md) 0;
}

.page-contact .feedback-split__aside {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-contact .feedback-split__aside .media-frame__img {
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .feedback-aside-card {
  padding: 20px;
  background: var(--ink-3);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}

.page-contact .feedback-aside-card__text {
  margin: 10px 0 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--body);
}

/* 处理顺序时间带 */
.page-contact .contact-steps {
  position: relative;
  margin: 26px 0 0;
  padding: 0 0 0 var(--contact-step-rail);
  list-style: none;
  border-left: 1px solid var(--line);
}

.page-contact .contact-step {
  position: relative;
  padding: 0 0 30px;
}

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

.page-contact .contact-step__marker {
  position: absolute;
  left: calc(-1 * (var(--contact-step-rail) + 7px));
  top: 5px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--lime);
}

.page-contact .contact-step__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-contact .contact-step__title {
  margin: 8px 0 0;
  font-size: 20px;
  color: var(--white);
}

.page-contact .contact-step__desc {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--body);
  max-width: 62ch;
}

/* 回复节奏 */
.page-contact .reply-stats {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.page-contact .reply-stats__item {
  padding: 22px 20px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  border-left: 3px solid var(--lime);
}

.page-contact .reply-stats__value {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(24px, 5vw, 34px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--lime);
}

.page-contact .reply-note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 20px;
  justify-content: space-between;
  margin-top: 26px;
  padding: 20px;
  background: var(--ink-3);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}

.page-contact .reply-note__text {
  flex: 1 1 320px;
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--body);
}

/* 合作与线索 */
.page-contact .coop-block {
  display: grid;
  gap: 30px;
}

.page-contact .coop-block__meta {
  margin: 14px 0 20px;
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--amber);
}

.page-contact .coop-block__list {
  display: grid;
  gap: 14px;
}

.page-contact .coop-item {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(140deg, var(--ink-2), var(--ink-3));
}

.page-contact .coop-item:nth-child(2) {
  margin-left: 0;
}

.page-contact .coop-item__index {
  margin: 0;
}

.page-contact .coop-item__title {
  margin: 10px 0 0;
  font-size: 18px;
  color: var(--white);
}

.page-contact .coop-item__desc {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--body);
}

/* 站点信息条 */
.page-contact .site-info-band {
  margin-top: 52px;
  padding: 32px 0 36px;
  background: var(--ink-3);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .site-info-band__inner {
  display: grid;
  gap: 22px;
}

.page-contact .site-info-band__title {
  margin: 10px 0 0;
  font-size: clamp(20px, 4vw, 26px);
  color: var(--white);
}

.page-contact .site-info-band__rows {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-contact .site-info-band__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 13px 0;
  border-top: 1px solid var(--line);
}

.page-contact .site-info-band__key {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-contact .site-info-band__val {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--white);
  word-break: break-word;
}

.page-contact .site-info-band__val--mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
}

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

  .page-contact .contact-card--live {
    grid-column: span 2;
  }

  .page-contact .reply-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-contact .site-info-band__row {
    grid-template-columns: 200px minmax(0, 1fr);
    align-items: baseline;
    gap: 20px;
  }

  .page-contact .coop-item:nth-child(2) {
    margin-left: 22px;
  }

  .page-contact .coop-item:nth-child(3) {
    margin-left: 8px;
  }
}

@media (min-width: 980px) {
  .page-contact .contact-hero {
    padding-top: 34px;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 44px;
    align-items: end;
  }

  .page-contact .contact-hero__quick {
    padding: 26px 24px;
  }

  .page-contact .contact-channels__grid {
    grid-template-columns: 0.95fr 0.95fr 1.05fr 1.5fr;
    align-items: stretch;
  }

  .page-contact .contact-card--live {
    grid-column: auto;
  }

  .page-contact .contact-visual {
    margin-top: 52px;
  }

  .page-contact .feedback-split {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
    gap: 40px;
    align-items: start;
  }

  .page-contact .feedback-aside-card {
    position: sticky;
    top: calc(var(--header-h-shrink) + 24px);
  }

  .page-contact .contact-steps {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
    padding: 0 0 0 0;
    border-left: 0;
    border-top: 1px solid var(--line);
    padding-top: 26px;
  }

  .page-contact .contact-step {
    padding: 0;
  }

  .page-contact .contact-step__marker {
    left: 0;
    top: -33px;
  }

  .page-contact .coop-block {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.25fr);
    gap: 46px;
    align-items: start;
  }

  .page-contact .site-info-band__inner {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.6fr);
    gap: 40px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card,
  .page-contact .contact-quick-list__go {
    transition: none;
  }

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