.page-contact {
  --contact-radius: 14px;
  --contact-radius-lg: 16px;
  --contact-line-turf: rgba(31, 164, 91, 0.6);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: 40px 0 10px;
}

.page-contact .contact-hero__head {
  max-width: 860px;
}

.page-contact .contact-hero__title {
  margin: 14px 0 0;
  font-size: clamp(1.95rem, 7.4vw, 3.6rem);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--white);
  text-wrap: balance;
}

.page-contact .contact-hero__lead {
  margin: 20px 0 0;
  max-width: 680px;
  color: var(--grey);
}

.page-contact .contact-status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 24px 0 0;
  padding: 7px 16px 7px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--grey);
  background: rgba(19, 29, 49, 0.6);
}

.page-contact .contact-status__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--lime);
  flex: none;
  animation: contact-pulse 2.6s var(--ease) infinite;
}

@keyframes contact-pulse {
  0% { box-shadow: 0 0 0 0 rgba(72, 224, 141, 0.55); }
  70% { box-shadow: 0 0 0 8px rgba(72, 224, 141, 0); }
  100% { box-shadow: 0 0 0 0 rgba(72, 224, 141, 0); }
}

@media (min-width: 960px) {
  .page-contact .contact-status {
    position: absolute;
    top: 62px;
    right: 0;
    margin-top: 0;
    pointer-events: none;
  }
}

/* ---------- 通用小节说明 ---------- */
.page-contact .reach-intro {
  margin: 16px 0 0;
  max-width: 640px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--grey);
}

/* ---------- 01 三个入口 ---------- */
.page-contact .reach-grid {
  display: grid;
  gap: 30px;
}

.page-contact .channel-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .channel-card {
  padding: 20px 22px;
  border-radius: var(--contact-radius);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-contact .channel-card:hover {
  border-color: var(--contact-line-turf);
}

.page-contact .channel-card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--turf);
}

.page-contact .channel-card__value {
  margin: 11px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 4.4vw, 22px);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .channel-card__note {
  margin: 11px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--grey);
}

.page-contact .channel-media {
  margin: 0;
  border-radius: var(--contact-radius-lg);
  aspect-ratio: 16 / 10;
}

.page-contact .channel-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

@media (min-width: 960px) {
  .page-contact .reach-grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
    align-items: start;
    gap: 48px;
  }
  .page-contact .channel-media {
    position: sticky;
    top: 32px;
    aspect-ratio: 3 / 2;
  }
}

/* ---------- 02 可以一起做的四件事 ---------- */
.page-contact .item-jump {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
}

.page-contact .item-jump a {
  display: inline-flex;
  align-items: center;
  padding: 7px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--grey);
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-contact .item-jump a:hover,
.page-contact .item-jump a:focus-visible {
  border-color: var(--contact-line-turf);
  color: var(--lime);
  background: rgba(31, 164, 91, 0.08);
}

.page-contact .item-grid {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.page-contact .item-card {
  padding: 24px 24px 26px;
  border-radius: var(--contact-radius);
  position: relative;
  overflow: hidden;
  transition: border-color 0.25s var(--ease);
}

.page-contact .item-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  background: linear-gradient(180deg, var(--turf), rgba(31, 164, 91, 0));
}

.page-contact .item-card:hover {
  border-color: var(--line-strong);
}

.page-contact .item-card__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--turf);
}

.page-contact .item-card__title {
  margin: 10px 0 0;
  font-size: clamp(1.05rem, 3.2vw, 1.3rem);
  font-weight: 600;
  line-height: 1.45;
  color: var(--white);
}

.page-contact .item-card__text {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--grey);
}

.page-contact .item-card__text a,
.page-contact .flow-step__more a,
.page-contact .contact-q__a a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(72, 224, 141, 0.35);
}

.page-contact .item-card__text a:hover,
.page-contact .flow-step__more a:hover,
.page-contact .contact-q__a a:hover {
  border-bottom-color: var(--lime);
}

@media (min-width: 820px) {
  .page-contact .item-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
}

/* ---------- 03 合作流程 ---------- */
.page-contact .flow-grid {
  position: relative;
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 26px;
}

.page-contact .flow-step {
  position: relative;
  z-index: 1;
}

.page-contact .flow-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--contact-line-turf);
  background: var(--ink);
  font-family: var(--font-mono);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--lime);
  transition: background-color 0.25s var(--ease), color 0.25s var(--ease);
}

.page-contact .flow-step:hover .flow-step__num {
  background: var(--turf);
  color: #04180d;
}

.page-contact .flow-step__title {
  margin: 14px 0 0;
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--white);
}

.page-contact .flow-step__text {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--grey);
}

.page-contact .flow-step__more {
  display: block;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--grey);
  transition: max-height 0.32s var(--ease), opacity 0.32s var(--ease), margin-top 0.32s var(--ease);
}

.page-contact .flow-step:hover .flow-step__more,
.page-contact .flow-step:focus-within .flow-step__more {
  max-height: 120px;
  opacity: 1;
  margin-top: 9px;
  color: var(--grey);
}

@media (hover: none) {
  .page-contact .flow-step__more {
    max-height: 160px;
    opacity: 1;
    margin-top: 9px;
  }
}

@media (min-width: 880px) {
  .page-contact .flow-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 28px;
  }
  .page-contact .flow-grid::before {
    content: "";
    position: absolute;
    top: 21px;
    left: 5%;
    right: 5%;
    height: 1px;
    background: linear-gradient(
      90deg,
      rgba(31, 164, 91, 0) 0%,
      var(--contact-line-turf) 14%,
      var(--contact-line-turf) 86%,
      rgba(31, 164, 91, 0) 100%
    );
    z-index: 0;
  }
}

/* ---------- 04 回复时效 ---------- */
.page-contact .timing-grid {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.page-contact .timing-card {
  padding: 24px 22px;
  border-radius: var(--contact-radius);
}

.page-contact .timing-card__fig {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(2.1rem, 8vw, 2.9rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--white);
}

.page-contact .timing-card__fig span {
  margin-left: 8px;
  font-size: 0.4em;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--grey);
}

.page-contact .timing-card__fig--yellow {
  color: var(--yellow);
}

.page-contact .timing-card__fig--lime {
  color: var(--lime);
}

.page-contact .timing-card__title {
  margin: 16px 0 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
}

.page-contact .timing-card__text {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--grey);
}

@media (min-width: 820px) {
  .page-contact .timing-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}

/* ---------- 05 常见对接问题 ---------- */
.page-contact .contact-faq {
  display: grid;
  gap: 10px;
  margin-top: 26px;
}

.page-contact .contact-q {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  transition: border-color 0.25s var(--ease);
}

.page-contact .contact-q[open] {
  border-color: var(--contact-line-turf);
}

.page-contact .contact-q__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--white);
}

.page-contact .contact-q__q::-webkit-details-marker {
  display: none;
}

.page-contact .contact-q__q::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1;
  color: var(--turf);
  transition: transform 0.25s var(--ease), color 0.25s var(--ease);
}

.page-contact .contact-q[open] .contact-q__q::after {
  transform: rotate(45deg);
  color: var(--lime);
}

.page-contact .contact-q__a {
  padding: 0 20px 20px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--grey);
}

.page-contact .contact-q__a p {
  margin: 0;
}

/* ---------- 06 地域收尾 ---------- */
.page-contact .city-media {
  margin: 22px 0 0;
  border-radius: var(--contact-radius-lg);
  aspect-ratio: 16 / 7;
}

.page-contact .city-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-contact .city-strip {
  position: relative;
  margin-top: 20px;
  min-height: 124px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-contact .city-strip svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.page-contact .city-strip__label {
  position: relative;
  margin: 0;
  padding: 8px 18px;
  max-width: 88%;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--ink);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  text-align: center;
  color: var(--white);
}

.page-contact .reach-back {
  margin: 26px 0 0;
  display: flex;
  justify-content: flex-end;
}

.page-contact .reach-back .btn {
  text-decoration: none;
}

@media (min-width: 960px) {
  .page-contact .city-media {
    aspect-ratio: 24 / 7;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-status__dot {
    animation: none;
  }
  .page-contact .channel-card,
  .page-contact .item-card,
  .page-contact .flow-step__num,
  .page-contact .flow-step__more,
  .page-contact .contact-q,
  .page-contact .contact-q__q::after {
    transition: none;
  }
  .page-contact .flow-step__more {
    max-height: 200px;
    opacity: 1;
    margin-top: 9px;
  }
}