.page-contact {
  --pc-cut: 44px;
  --pc-gutter: clamp(20px, 4vw, 56px);
  display: block;
}

.page-contact img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-contact :focus-visible {
  outline: 2px solid var(--sc-cyan);
  outline-offset: 3px;
}

.page-contact .contact-crumbs {
  padding-top: clamp(84px, 13vh, 132px);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-intro {
  padding-block: clamp(20px, 3vw, 36px) 0;
}

.page-contact .contact-intro__inner {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  align-items: end;
}

.page-contact .contact-intro__copy {
  min-width: 0;
}

.page-contact .contact-intro__figure {
  margin: 0;
}

.page-contact .contact-intro__figure img {
  width: 100%;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  border: 1px solid var(--sc-line);
}

.page-contact .contact-intro__jump {
  display: grid;
  margin-top: clamp(26px, 4vw, 40px);
  border-top: 1px solid var(--sc-line);
}

.page-contact .contact-jump {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
  padding: 14px 2px;
  border-bottom: 1px solid var(--sc-line);
  text-decoration: none;
  color: var(--sc-text);
  transition: color var(--sc-t) var(--sc-ease), padding-left var(--sc-t) var(--sc-ease);
}

.page-contact .contact-jump__num {
  font-family: var(--sc-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--sc-cyan);
}

.page-contact .contact-jump__label {
  font-size: 16px;
  line-height: 1.5;
}

.page-contact .contact-jump:hover,
.page-contact .contact-jump.is-current {
  color: var(--sc-cyan);
  padding-left: 8px;
}

/* ---------- 斜角联络面板 ---------- */

.page-contact .contact-board {
  padding-block: clamp(36px, 6vw, 72px);
}

.page-contact .contact-panel {
  position: relative;
  padding: clamp(26px, 4vw, 56px) var(--pc-gutter) calc(clamp(26px, 4vw, 56px) + var(--pc-cut));
  background:
    linear-gradient(180deg, rgba(79, 227, 193, .07), rgba(79, 227, 193, 0) 46%),
    linear-gradient(158deg, var(--sc-stand) 0%, var(--sc-turf) 56%, var(--sc-night) 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pc-cut)), 0 100%);
}

.page-contact .contact-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(44, 74, 66, .38) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(44, 74, 66, .28) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: .55;
  pointer-events: none;
}

.page-contact .contact-panel::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: min(220px, 42%);
  height: 2px;
  background: linear-gradient(90deg, var(--sc-cyan), rgba(79, 227, 193, 0));
}

.page-contact .contact-panel__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(32px, 4vw, 56px);
}

.page-contact .contact-panel__lede {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--sc-muted);
}

.page-contact .contact-panel__side-title {
  margin: 12px 0 0;
  font-size: clamp(20px, 2.2vw, 24px);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.4;
}

.page-contact .contact-panel__side-lede {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--sc-muted);
}

/* 合作方向折叠条目 */

.page-contact .contact-dirs {
  margin-top: clamp(22px, 3vw, 32px);
  border-top: 1px solid var(--sc-line);
}

.page-contact .contact-dir {
  border-bottom: 1px solid var(--sc-line);
}

.page-contact .contact-dir__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 16px 2px;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .contact-dir__num {
  font-family: var(--sc-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--sc-cyan);
}

.page-contact .contact-dir__title {
  font-size: clamp(16px, 1.6vw, 18px);
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.45;
}

.page-contact .contact-dir__arrow {
  width: 10px;
  height: 10px;
  border-right: 1px solid var(--sc-muted);
  border-bottom: 1px solid var(--sc-muted);
  transform: rotate(45deg);
  transition: transform var(--sc-t) var(--sc-ease), border-color var(--sc-t) var(--sc-ease);
}

.page-contact .contact-dir[open] .contact-dir__arrow {
  transform: rotate(225deg);
  border-color: var(--sc-cyan);
}

.page-contact .contact-dir[open] .contact-dir__title {
  color: var(--sc-cyan);
}

.page-contact .contact-dir__body {
  padding: 0 2px 20px;
}

.page-contact .contact-dir__body p {
  margin: 0 0 10px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--sc-muted);
}

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

.page-contact .contact-dir__body .contact-dir__who {
  color: var(--sc-text);
  font-size: 14px;
  letter-spacing: .01em;
}

/* 联系渠道 */

.page-contact .contact-channels {
  margin: clamp(20px, 3vw, 28px) 0 0;
  border-top: 1px solid var(--sc-line);
}

.page-contact .contact-channels__row {
  display: grid;
  gap: 5px;
  padding: 14px 0;
  border-bottom: 1px solid var(--sc-line);
}

.page-contact .contact-channels dt {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--sc-muted);
}

.page-contact .contact-channels dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--sc-text);
}

.page-contact .contact-channels__value {
  display: inline-block;
  font-family: var(--sc-font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .01em;
  overflow-wrap: anywhere;
  border-bottom: 1px solid transparent;
  transition: color var(--sc-t) var(--sc-ease), border-color var(--sc-t) var(--sc-ease);
}

.page-contact .contact-channels__row:hover .contact-channels__value,
.page-contact .contact-channels__row:focus-within .contact-channels__value {
  color: var(--sc-cyan);
  border-bottom-color: var(--sc-cyan);
}

.page-contact .contact-channels + .sc-note {
  margin-top: 18px;
}

/* ---------- 来件要点 ---------- */

.page-contact .contact-brief__grid {
  display: grid;
  gap: clamp(30px, 4vw, 52px);
}

.page-contact .contact-brief__figure {
  margin: clamp(24px, 3vw, 34px) 0 0;
}

.page-contact .contact-brief__figure img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--sc-line);
}

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

.page-contact .contact-check {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 16px;
  padding: 18px 0;
  border-top: 1px solid var(--sc-line);
  transition: padding-left var(--sc-t) var(--sc-ease);
}

.page-contact .contact-check:last-child {
  border-bottom: 1px solid var(--sc-line);
}

.page-contact .contact-check:hover {
  padding-left: 8px;
}

.page-contact .contact-check__num {
  grid-row: 1 / 3;
  padding-top: 3px;
  font-family: var(--sc-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--sc-cyan);
}

.page-contact .contact-check__title {
  margin: 0;
  font-size: clamp(16px, 1.5vw, 17px);
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.45;
}

.page-contact .contact-check p {
  margin: 6px 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--sc-muted);
}

/* ---------- 跟进流程 ---------- */

.page-contact .contact-flow__head {
  max-width: 66ch;
}

.page-contact .contact-flow__body {
  position: relative;
  margin-top: clamp(28px, 4vw, 44px);
}

.page-contact .contact-flow__rail {
  display: none;
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 12px;
  -webkit-mask-image: linear-gradient(90deg, #000 0 84%, transparent 100%);
  mask-image: linear-gradient(90deg, #000 0 84%, transparent 100%);
}

.page-contact .contact-flow__rail svg {
  display: block;
  width: 100%;
  height: 12px;
}

.page-contact .contact-steps {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(26px, 4vw, 38px);
}

.page-contact .contact-steps::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 6px;
  bottom: 42px;
  width: 1px;
  background: var(--sc-line);
}

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

.page-contact .contact-step__dot {
  position: absolute;
  left: 0;
  top: 6px;
  width: 12px;
  height: 12px;
  border: 1px solid var(--sc-cyan);
  background: transparent;
}

.page-contact .contact-step__num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--sc-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--sc-cyan);
}

.page-contact .contact-step__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.45;
}

.page-contact .contact-step p {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--sc-muted);
}

.page-contact .contact-step p a {
  color: var(--sc-text);
  text-decoration: underline;
  text-decoration-color: var(--sc-line);
  text-underline-offset: 3px;
  transition: color var(--sc-t) var(--sc-ease), text-decoration-color var(--sc-t) var(--sc-ease);
}

.page-contact .contact-step p a:hover {
  color: var(--sc-cyan);
  text-decoration-color: var(--sc-cyan);
}

/* ---------- 相关入口 ---------- */

.page-contact .contact-next {
  padding-block: clamp(40px, 6vw, 72px) clamp(56px, 8vw, 104px);
}

.page-contact .contact-next .sc-rule {
  margin-bottom: clamp(28px, 4vw, 42px);
}

.page-contact .contact-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-contact .contact-next .sc-meta {
  margin-top: clamp(22px, 3vw, 30px);
}

.page-contact .contact-next .sc-meta a {
  color: var(--sc-text);
  text-decoration: underline;
  text-decoration-color: var(--sc-line);
  text-underline-offset: 3px;
  transition: color var(--sc-t) var(--sc-ease), text-decoration-color var(--sc-t) var(--sc-ease);
}

.page-contact .contact-next .sc-meta a:hover {
  color: var(--sc-cyan);
  text-decoration-color: var(--sc-cyan);
}

/* ---------- 断点 ---------- */

@media (min-width: 760px) {
  .page-contact .contact-flow__rail {
    display: block;
  }

  .page-contact .contact-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: clamp(24px, 3vw, 40px);
  }

  .page-contact .contact-steps::before {
    display: none;
  }

  .page-contact .contact-step {
    padding-left: 0;
    padding-top: 36px;
  }

  .page-contact .contact-step__dot {
    top: 0;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-intro__inner {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  }

  .page-contact .contact-intro__figure {
    transform: translateY(clamp(0px, 2vw, 26px));
  }

  .page-contact .contact-panel__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(300px, 1fr);
    align-items: start;
  }

  .page-contact .contact-panel__side {
    border-left: 1px solid var(--sc-line);
    padding-left: clamp(24px, 3vw, 46px);
  }

  .page-contact .contact-brief__grid {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    align-items: start;
  }
}

@media (min-width: 1120px) {
  .page-contact .contact-intro__figure {
    transform: translateY(38px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-jump,
  .page-contact .contact-dir__arrow,
  .page-contact .contact-channels__value,
  .page-contact .contact-check,
  .page-contact .contact-step p a,
  .page-contact .contact-next .sc-meta a {
    transition: none;
  }
}