.page-contact {
  --pc-gap: clamp(1.25rem, 3.5vw, 2.75rem);
  --pc-edge: rgba(53, 224, 192, .18);
  background: var(--ink-900);
  color: var(--ivory);
  overflow-x: hidden;
}

.page-contact .wrap {
  max-width: var(--maxw);
}

/* ============ 顶部 ============ */
.page-contact .contact-top {
  position: relative;
  padding: clamp(1.5rem, 4vw, 2.6rem) 0 clamp(2.5rem, 6vw, 4.5rem);
  isolation: isolate;
}

.page-contact .top-slab {
  position: absolute;
  inset: 0 0 auto 0;
  height: 62%;
  background:
    linear-gradient(120deg, rgba(53, 224, 192, .10) 0%, rgba(53, 224, 192, 0) 52%),
    linear-gradient(0deg, rgba(255, 122, 61, .07), rgba(255, 122, 61, 0) 70%);
  clip-path: polygon(0 0, 100% 0, 100% 78%, 0 100%);
  z-index: -1;
}

.page-contact .contact-top__inner {
  position: relative;
}

.page-contact .crumbs {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--mist);
}

.page-contact .crumbs a {
  color: var(--ivory);
  text-decoration: none;
  border-bottom: 1px solid var(--pc-edge);
}

.page-contact .crumbs a:hover,
.page-contact .crumbs a:focus-visible {
  color: var(--cy);
}

.page-contact .contact-top__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  margin-top: clamp(1.25rem, 3vw, 2rem);
}

.page-contact .contact-top__lead h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.2rem, 7.4vw, 5.2rem);
  line-height: .96;
  letter-spacing: -.035em;
  color: var(--ivory);
  margin: clamp(1rem, 2.4vw, 1.6rem) 0 0;
  max-width: 15ch;
}

.page-contact .contact-top__lede {
  margin: clamp(1rem, 2.2vw, 1.4rem) 0 0;
  max-width: 46ch;
  font-size: clamp(1rem, 1.4vw, 1.08rem);
  line-height: 1.8;
  color: var(--ivory);
  opacity: .88;
}

.page-contact .quick-jump {
  list-style: none;
  margin: clamp(1.4rem, 3vw, 2rem) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem .75rem;
}

.page-contact .quick-jump a {
  display: inline-block;
  padding: .42rem .85rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--cy);
  text-decoration: none;
  border: 1px solid var(--pc-edge);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 100%, 8px 100%);
  transition: background var(--dur-1) var(--ease), color var(--dur-1) var(--ease);
}

.page-contact .quick-jump a:hover,
.page-contact .quick-jump a:focus-visible {
  background: var(--cy);
  color: var(--ink-900);
}

.page-contact .contact-top__media {
  margin: 0;
  border: 1px solid var(--pc-edge);
  align-self: end;
  position: relative;
}

.page-contact .contact-top__media::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cy), var(--orange));
}

.page-contact .contact-top__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  filter: saturate(.85) contrast(1.05);
}

.page-contact .contact-top__media .media__cap {
  padding: .55rem .9rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .14em;
  color: var(--mist);
  background: var(--ink-800);
}

/* ============ 通用小标题 ============ */
.page-contact .section-head {
  max-width: 68ch;
  margin-bottom: clamp(1.5rem, 3.5vw, 2.4rem);
}

.page-contact .section-head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.55rem, 3.6vw, 2.5rem);
  line-height: 1.08;
  letter-spacing: -.02em;
  margin: .8rem 0 0;
}

.page-contact .section-head__lede {
  margin: .9rem 0 0;
  color: var(--mist);
  line-height: 1.75;
  font-size: .98rem;
}

/* ============ 01 客服邮箱 ============ */
.page-contact .contact-mail {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
  position: relative;
}

.page-contact .contact-mail::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--pc-edge) 20%, var(--pc-edge) 80%, transparent);
}

.page-contact .mail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1rem, 2.4vw, 1.5rem);
}

.page-contact .mail-card {
  background: var(--ink-900);
  border: 1px solid var(--pc-edge);
  padding: clamp(1.4rem, 3vw, 2rem);
  position: relative;
}

.page-contact .mail-card::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 44px;
  height: 3px;
  background: var(--orange);
}

.page-contact .mail-card__label {
  margin: 0 0 .8rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .mail-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(1rem, 2.4vw, 1.35rem);
  letter-spacing: .01em;
  color: var(--ivory);
  word-break: break-all;
  line-height: 1.4;
}

.page-contact .mail-card__hint {
  margin: 1rem 0 0;
  color: var(--mist);
  font-size: .9rem;
  line-height: 1.7;
}

.page-contact .hour-block {
  margin-top: clamp(1.8rem, 4vw, 2.6rem);
  padding: clamp(1.2rem, 3vw, 1.8rem);
  border: 1px dashed var(--pc-edge);
  background: rgba(11, 28, 21, .5);
}

.page-contact .hour-block__head {
  display: flex;
  flex-direction: column;
  gap: .4rem;
}

.page-contact .hour-block__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cy);
}

.page-contact .hour-block__note {
  margin: 0;
  color: var(--mist);
  font-size: .9rem;
  line-height: 1.7;
}

.page-contact .hour-track {
  display: flex;
  align-items: center;
  gap: clamp(.6rem, 2vw, 1rem);
  margin-top: 1.1rem;
}

.page-contact .hour-track__cap {
  font-family: var(--font-mono);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--ivory);
  white-space: nowrap;
}

.page-contact .hour-track__bar {
  position: relative;
  flex: 1;
  height: 10px;
  background: var(--ink-800);
  border: 1px solid var(--pc-edge);
  overflow: hidden;
}

.page-contact .hour-track__fill {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--cy) 0%, var(--cy) 55%, var(--orange) 100%);
  transform-origin: left center;
}

.page-contact .hour-track__tick {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  background: rgba(11, 28, 21, .55);
}

.page-contact .hour-track__tick:nth-of-type(1) { left: 25%; }
.page-contact .hour-track__tick:nth-of-type(2) { left: 50%; }
.page-contact .hour-track__tick:nth-of-type(3) { left: 75%; }

.page-contact .mail-tips {
  margin-top: clamp(1.6rem, 3.4vw, 2.2rem);
}

.page-contact .mail-tips__title {
  margin: 0 0 .9rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  letter-spacing: -.005em;
}

.page-contact .mail-tips ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .7rem;
}

.page-contact .mail-tips li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--mist);
  line-height: 1.75;
  font-size: .95rem;
}

.page-contact .mail-tips li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 14px;
  height: 1px;
  background: var(--cy);
  transform: rotate(-16deg);
}

/* ============ 02 渠道分支 ============ */
.page-contact .contact-branches {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
  background:
    linear-gradient(180deg, rgba(18, 41, 31, .9), rgba(11, 28, 21, 1)),
    var(--ink-900);
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-contact .channel-rail {
  display: none;
}

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

.page-contact .branch {
  position: relative;
  padding: clamp(1.2rem, 3vw, 1.7rem) 0;
  border-bottom: 1px dashed rgba(143, 168, 160, .22);
}

.page-contact .branch:first-child {
  border-top: 1px dashed rgba(143, 168, 160, .22);
}

.page-contact .branch__idx {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--orange);
  margin-bottom: .55rem;
}

.page-contact .branch__body h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.15rem, 2.6vw, 1.5rem);
  letter-spacing: -.01em;
  margin: 0 0 .6rem;
  color: var(--ivory);
}

.page-contact .branch__body p {
  margin: 0 0 .7rem;
  color: var(--mist);
  line-height: 1.78;
  font-size: .95rem;
  max-width: 62ch;
}

.page-contact .branch__meta {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--cy);
  border: 1px solid var(--pc-edge);
  padding: .32rem .65rem;
  margin: 0 !important;
  clip-path: polygon(0 0, calc(100% - 7px) 0, 100% 100%, 7px 100%);
}

/* ============ 03 办公地点 ============ */
.page-contact .contact-place {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
  color: var(--brown);
  position: relative;
}

.page-contact .contact-place::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 58px;
  background: var(--ink-900);
  clip-path: polygon(0 0, 100% 0, 100% 0, 0 100%);
}

.page-contact .contact-place .section-head h2 {
  color: var(--brown);
}

.page-contact .contact-place .tag {
  color: var(--red);
  border-color: var(--red);
}

.page-contact .place-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.4rem, 3.5vw, 2.4rem);
  align-items: start;
}

.page-contact .place-card {
  background: rgba(29, 26, 22, .035);
  border-left: 3px solid var(--brown);
  padding: clamp(1.1rem, 2.8vw, 1.7rem) clamp(1rem, 2.6vw, 1.6rem);
}

.page-contact .place-card__k {
  margin: 0 0 .4rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--red);
}

.page-contact .place-card__v {
  margin: 0 0 1.4rem;
  font-family: var(--font-mono);
  font-size: clamp(.9rem, 1.5vw, 1rem);
  line-height: 1.85;
  color: var(--brown);
  letter-spacing: .01em;
}

.page-contact .place-card__v:last-child {
  margin-bottom: 0;
}

.page-contact .place-media {
  margin: 0;
  border: 1px solid rgba(29, 26, 22, .2);
  position: relative;
}

.page-contact .place-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  filter: saturate(.7) contrast(1.05);
}

.page-contact .place-media .media__cap {
  padding: .5rem .85rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .14em;
  color: var(--brown);
  background: rgba(29, 26, 22, .07);
}

/* ============ 04 合作与选题 ============ */
.page-contact .contact-coop {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
}

.page-contact .coop-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1rem, 2.6vw, 1.5rem);
}

.page-contact .coop-card {
  position: relative;
  padding: clamp(1.4rem, 3vw, 1.9rem);
  background: var(--ink-800);
  border-top: 2px solid var(--cy);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-contact .coop-card:nth-child(2) { border-top-color: var(--orange); }
.page-contact .coop-card:nth-child(3) { border-top-color: var(--mist); }

.page-contact .coop-card__idx {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--cy);
  margin-bottom: .75rem;
}

.page-contact .coop-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.08rem, 2.2vw, 1.3rem);
  letter-spacing: -.01em;
  margin: 0 0 .7rem;
  color: var(--ivory);
}

.page-contact .coop-card p {
  margin: 0;
  color: var(--mist);
  line-height: 1.78;
  font-size: .94rem;
}

/* ============ 尾部 ============ */
.page-contact .contact-tail {
  padding: clamp(2.2rem, 5vw, 3.6rem) 0 clamp(2.6rem, 6vw, 4rem);
  border-top: 1px solid var(--pc-edge);
  background: var(--ink-900);
}

.page-contact .contact-tail__inner {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  position: relative;
}

.page-contact .contact-tail__line {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.1rem, 2.4vw, 1.5rem);
  letter-spacing: -.01em;
  color: var(--ivory);
  max-width: 24ch;
}

.page-contact .contact-tail__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
}

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

.page-contact .contact-tail__slash {
  display: block;
  width: 84px;
  height: 3px;
  margin-top: .4rem;
  background: linear-gradient(90deg, var(--cy), var(--orange));
  transform: skewX(-26deg);
}

/* ============ 响应式 ============ */
@media (min-width: 560px) {
  .page-contact .mail-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-tail__inner {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    flex-wrap: wrap;
  }

  .page-contact .contact-tail__slash {
    position: absolute;
    right: 0;
    top: -.4rem;
    margin: 0;
  }
}

@media (min-width: 780px) {
  .page-contact .coop-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .place-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(2rem, 4vw, 3rem);
  }
}

@media (min-width: 900px) {
  .page-contact .contact-top__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: end;
  }

  .page-contact .channel-grid {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.4rem);
  }

  .page-contact .channel-rail {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    padding: 1.6rem 0;
    position: relative;
  }

  .page-contact .channel-rail__line {
    flex: 1;
    width: 1px;
    margin: .55rem 0;
    background: linear-gradient(180deg, var(--cy), rgba(53, 224, 192, .12));
  }

  .page-contact .channel-rail__node {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--orange);
    box-shadow: 0 0 0 5px rgba(255, 122, 61, .14);
    flex: 0 0 auto;
  }

  .page-contact .branch {
    padding-left: clamp(2.6rem, 4vw, 3.6rem);
  }

  .page-contact .branch::before {
    content: "";
    position: absolute;
    left: 0;
    top: calc(clamp(1.2rem, 3vw, 1.7rem) + 1.8rem);
    width: clamp(2.2rem, 3.4vw, 3.1rem);
    height: 1px;
    background: var(--cy);
    opacity: .7;
    transform: rotate(-9deg);
    transform-origin: left center;
  }

  .page-contact .branch::after {
    content: "";
    position: absolute;
    left: 0;
    top: calc(clamp(1.2rem, 3vw, 1.7rem) + 1.55rem);
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--cy);
  }
}

@media (min-width: 1120px) {
  .page-contact .contact-top {
    padding-bottom: clamp(3rem, 6vw, 5.4rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    transition-duration: 0ms !important;
    animation-duration: 0ms !important;
  }
}