.page-contact {
  --contact-measure: 64ch;
  --contact-gap: 22px;
  color: var(--body-text);
  overflow-x: hidden;
}

/* ---------- 首屏：框景 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-top: clamp(12px, 3vw, 32px);
  padding-bottom: clamp(28px, 5vw, 56px);
  background:
    radial-gradient(720px 320px at 82% 6%, rgba(41, 216, 255, 0.13), transparent 68%),
    radial-gradient(520px 300px at 8% 96%, rgba(77, 255, 159, 0.09), transparent 72%);
}

.page-contact .contact-hero__frame {
  position: relative;
  max-width: 780px;
  margin-top: 24px;
  padding: clamp(24px, 4.4vw, 46px);
  border: 1px solid var(--line);
  border-radius: var(--radius-organic);
  background:
    linear-gradient(155deg, rgba(12, 23, 28, 0.94), rgba(5, 9, 12, 0.62) 72%),
    linear-gradient(90deg, rgba(77, 255, 159, 0.06), transparent 70%);
}

.page-contact .contact-hero__frame::before {
  content: "";
  position: absolute;
  top: 14px;
  bottom: 14px;
  left: 0;
  width: 3px;
  border-radius: 3px;
  background: repeating-linear-gradient(180deg, var(--lamp) 0 10px, transparent 10px 22px);
  opacity: 0.7;
}

.page-contact .contact-hero__frame::after {
  content: "";
  position: absolute;
  top: -1px;
  left: 26px;
  width: 68px;
  height: 3px;
  background: var(--orange);
}

.page-contact .contact-hero__frame .title-xl {
  margin: 12px 0 18px;
  color: var(--white);
}

.page-contact .contact-hero__frame .lede {
  max-width: 56ch;
  color: var(--body-text);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-contact .contact-hero__media {
  position: relative;
  margin: clamp(24px, 4vw, 40px) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-organic);
  overflow: hidden;
  background: linear-gradient(120deg, var(--stand), var(--ink));
}

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

/* ---------- 小节引导 ---------- */
.page-contact .contact-intro {
  max-width: var(--contact-measure);
  margin-bottom: clamp(24px, 3.4vw, 38px);
}

.page-contact .contact-intro .title-lg {
  margin: 10px 0 14px;
  color: var(--white);
}

.page-contact .contact-intro__note {
  color: var(--mist);
  font-size: 1rem;
  line-height: 1.75;
}

.page-contact .contact-intro__note a {
  color: var(--volt);
}

/* ---------- 三个渠道：不等宽三列 ---------- */
.page-contact .channel-deck {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
  padding-top: 6px;
}

.page-contact .channel {
  position: relative;
  padding: 26px 22px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-organic);
  background: linear-gradient(170deg, rgba(12, 23, 28, 0.95), rgba(5, 9, 12, 0.86));
  overflow: hidden;
}

.page-contact .channel::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 46px;
  height: 3px;
  background: var(--line);
  transition: width 0.45s ease, background 0.3s ease;
}

.page-contact .channel:hover::after,
.page-contact .channel:focus-within::after {
  width: 100%;
  background: var(--lamp);
}

.page-contact .channel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
}

.page-contact .channel__code {
  margin: 0;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--volt);
}

.page-contact .channel__title {
  margin: 0 0 14px;
  color: var(--white);
}

.page-contact .channel__value {
  margin: 0 0 16px;
  font-size: clamp(1rem, 2.4vw, 1.4rem);
  line-height: 1.5;
  color: var(--lamp);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .channel__addr {
  margin: 0 0 16px;
  font-size: 1.02rem;
  line-height: 1.7;
  color: var(--white);
}

.page-contact .channel__desc {
  margin: 0 0 16px;
  color: var(--body-text);
}

.page-contact .channel__meta {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 0.88rem;
  color: var(--mist);
}

.page-contact .channel--phone {
  background: linear-gradient(170deg, rgba(20, 53, 40, 0.72), rgba(5, 9, 12, 0.9) 78%);
}

.page-contact .channel--mail {
  border-color: rgba(41, 216, 255, 0.4);
  background:
    radial-gradient(360px 200px at 88% 4%, rgba(41, 216, 255, 0.16), transparent 70%),
    linear-gradient(165deg, rgba(20, 53, 40, 0.9), rgba(5, 9, 12, 0.92) 74%);
}

.page-contact .channel--mail::after {
  width: 62px;
  background: var(--volt);
}

.page-contact .channel--mail .channel__desc {
  font-size: 1.02rem;
}

/* ---------- 回复时段 ---------- */
.page-contact .timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .timeline__item {
  position: relative;
  padding: 20px 20px 20px 48px;
  border: 1px solid var(--line);
  border-radius: var(--radius-organic);
  background: rgba(12, 23, 28, 0.72);
}

.page-contact .timeline__item::before {
  content: "";
  position: absolute;
  top: 27px;
  left: 22px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mist);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.page-contact .timeline__item--start::before {
  background: var(--volt);
}

.page-contact .timeline__item--live {
  border-color: rgba(77, 255, 159, 0.45);
  background: linear-gradient(140deg, rgba(20, 53, 40, 0.8), rgba(5, 9, 12, 0.85));
}

.page-contact .timeline__item--live::before {
  background: var(--lamp);
  box-shadow: 0 0 0 4px rgba(77, 255, 159, 0.16), 0 0 14px rgba(77, 255, 159, 0.6);
}

.page-contact .timeline__clock {
  display: block;
  font-size: 0.84rem;
  letter-spacing: 0.09em;
  color: var(--lamp);
  margin-bottom: 8px;
}

.page-contact .timeline__title {
  margin: 0 0 8px;
  font-size: 1.08rem;
  color: var(--white);
}

.page-contact .timeline__desc {
  margin: 0;
  font-size: 0.95rem;
  color: var(--body-text);
}

.page-contact .reply-notes {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.page-contact .reply-note {
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--volt);
  border-radius: 0 22px 0 22px;
  background: rgba(12, 23, 28, 0.62);
}

.page-contact .reply-note--rush {
  border-left-color: var(--orange);
  background: linear-gradient(122deg, rgba(255, 138, 43, 0.15), rgba(12, 23, 28, 0.78) 64%);
}

.page-contact .reply-note__title {
  margin: 0 0 10px;
  font-size: 1.04rem;
  color: var(--white);
}

.page-contact .reply-note p {
  margin: 0;
  font-size: 0.96rem;
  color: var(--body-text);
}

/* ---------- 写邮件的五项 ---------- */
.page-contact .brief-layout {
  display: grid;
  gap: 30px;
}

.page-contact .brief-main__lede {
  margin: 0;
  max-width: 54ch;
  color: var(--mist);
}

.page-contact .brief-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: none;
}

.page-contact .brief-list__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 20px 20px 20px 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  border-radius: 6px 18px 6px 18px;
  background: linear-gradient(180deg, rgba(12, 23, 28, 0.92), rgba(5, 9, 12, 0.6));
  transition: border-left-color 0.3s ease, background 0.3s ease;
}

.page-contact .brief-list__item:hover {
  border-left-color: var(--lamp);
  background: linear-gradient(180deg, rgba(20, 53, 40, 0.6), rgba(5, 9, 12, 0.66));
}

.page-contact .brief-list__idx {
  font-size: 0.9rem;
  color: var(--lamp);
  padding-top: 3px;
  letter-spacing: 0.06em;
}

.page-contact .brief-list__title {
  margin: 0 0 8px;
  font-size: 1.05rem;
  color: var(--white);
}

.page-contact .brief-list__body p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--body-text);
}

.page-contact .brief-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-organic);
  overflow: hidden;
  background: linear-gradient(140deg, var(--stand), var(--ink));
}

.page-contact .brief-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 合作咨询 ---------- */
.page-contact .coop-panel {
  padding: 6px clamp(14px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--radius-organic);
  background: linear-gradient(158deg, rgba(20, 53, 40, 0.48), rgba(5, 9, 12, 0.88) 70%);
}

.page-contact .coop-panel .disclosure__trigger {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding-right: 34px;
  text-align: left;
}

.page-contact .coop__idx {
  font-size: 0.82rem;
  color: var(--volt);
  letter-spacing: 0.12em;
}

.page-contact .coop__label {
  font-size: 1.06rem;
  color: var(--white);
}

.page-contact .coop__hint {
  margin-left: auto;
  font-size: 0.84rem;
  color: var(--mist);
}

.page-contact .disclosure__inner p {
  margin: 0 0 12px;
  font-size: 0.96rem;
  color: var(--body-text);
}

.page-contact .disclosure__inner p:last-child {
  margin-bottom: 0;
}

/* ---------- 到访信息 ---------- */
.page-contact .visit-layout {
  display: grid;
  gap: 24px;
}

.page-contact .visit-map {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-organic);
  background: rgba(12, 23, 28, 0.78);
}

.page-contact .visit-map svg {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 4px;
}

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

.page-contact .visit-checks__item {
  position: relative;
  padding: 0 0 0 22px;
  border-left: 1px solid var(--line);
}

.page-contact .visit-checks__item::before {
  content: "";
  position: absolute;
  top: 6px;
  left: -4px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--lamp);
}

.page-contact .visit-checks__title {
  margin: 0 0 8px;
  font-size: 1.02rem;
  color: var(--white);
}

.page-contact .visit-checks__item p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--body-text);
}

/* ---------- 收尾行动 ---------- */
.page-contact .contact-cta {
  display: grid;
  gap: 22px;
  padding: clamp(26px, 4vw, 42px);
  border: 1px solid var(--line);
  border-radius: var(--radius-organic);
  background:
    radial-gradient(420px 200px at 88% 14%, rgba(77, 255, 159, 0.17), transparent 70%),
    linear-gradient(140deg, rgba(20, 53, 40, 0.82), rgba(5, 9, 12, 0.92));
}

.page-contact .contact-cta__text .title-md {
  margin: 10px 0 14px;
  color: var(--white);
}

.page-contact .contact-cta__text p {
  margin: 0;
  max-width: 58ch;
  font-size: 0.98rem;
  color: var(--body-text);
}

.page-contact .contact-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 780px) {
  .page-contact .timeline {
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    padding-top: 26px;
  }

  .page-contact .timeline::before {
    content: "";
    position: absolute;
    top: 12px;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, var(--volt), var(--lamp) 52%, var(--line));
  }

  .page-contact .timeline__item {
    padding: 0 28px 0 0;
    border: none;
    border-radius: 0;
    background: none;
  }

  .page-contact .timeline__item::before {
    top: -19px;
    left: 0;
  }

  .page-contact .timeline__item--live::before {
    box-shadow: 0 0 0 4px var(--ink), 0 0 14px rgba(77, 255, 159, 0.65);
  }

  .page-contact .reply-notes {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
}

@media (min-width: 880px) {
  .page-contact .channel-deck {
    grid-template-columns: 0.86fr 1.34fr 1fr;
    align-items: start;
    gap: 18px;
    padding-top: 20px;
  }

  .page-contact .channel--mail {
    margin-top: -18px;
    padding: 34px 28px 36px;
  }

  .page-contact .channel--visit {
    margin-top: 30px;
  }

  .page-contact .visit-layout {
    grid-template-columns: 1.08fr 0.92fr;
    align-items: start;
    gap: 38px;
  }
}

@media (min-width: 940px) {
  .page-contact .brief-layout {
    grid-template-columns: 1.32fr 0.68fr;
    align-items: start;
    gap: 46px;
  }

  .page-contact .brief-figure {
    margin-top: 42px;
  }

  .page-contact .contact-cta {
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel::after,
  .page-contact .timeline__item::before,
  .page-contact .brief-list__item {
    transition: none;
  }
}