.page-contact {
  --pc-gap: clamp(14px, 2.4vw, 26px);
  --pc-pad: clamp(20px, 3.6vw, 40px);
  display: block;
  overflow-x: clip;
  background:
    radial-gradient(900px 420px at 88% -6%, rgba(31, 182, 255, 0.08), transparent 62%),
    radial-gradient(700px 380px at 4% 24%, rgba(255, 106, 26, 0.06), transparent 66%);
}

/* ---------- 顶部通栏 ---------- */
.page-contact .pc-banner {
  position: relative;
  margin: 0 0 clamp(20px, 3.6vw, 44px);
  background: var(--turf);
  overflow: hidden;
}
.page-contact .pc-banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(0.42) brightness(0.72) contrast(1.08);
}
.page-contact .pc-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 15, 13, 0.1) 0%, rgba(11, 15, 13, 0.82) 100%);
  pointer-events: none;
}
.page-contact .pc-banner__cap {
  position: absolute;
  left: clamp(16px, 4vw, 48px);
  bottom: clamp(14px, 3vw, 28px);
  z-index: 1;
  margin: 0;
  padding: 6px 11px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--paper);
  background: rgba(11, 15, 13, 0.66);
  border-left: 2px solid var(--orange);
}

/* ---------- 面包屑与首屏 ---------- */
.page-contact .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-contact .pc-intro {
  max-width: 62ch;
  padding-bottom: clamp(24px, 4vw, 46px);
}
.page-contact .pc-intro h1 {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(29px, 6.2vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-contact .pc-intro__lede {
  max-width: 44ch;
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}
.page-contact .pc-intro::after {
  content: "";
  display: block;
  width: 104px;
  height: 6px;
  margin-top: clamp(20px, 3vw, 30px);
  background: linear-gradient(90deg, var(--orange) 0 62%, var(--blue) 62% 100%);
  transform: skewX(-20deg);
}

/* ---------- 事由选择 ---------- */
.page-contact .pc-matter {
  margin-top: clamp(36px, 6vw, 74px);
}
.page-contact .pc-matter .section__head {
  max-width: 60ch;
}
.page-contact .pc-matter__note {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .pc-routing {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-contact .pc-routing__input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  white-space: nowrap;
  clip-path: inset(50%);
}

.page-contact .pc-routing__tags {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

.page-contact .pc-routing__tag {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 15px 16px;
  background: var(--glass);
  border: 1px solid var(--line);
  border-left: 3px solid var(--line-strong);
  cursor: pointer;
  transition: border-color 200ms var(--ease), background-color 200ms var(--ease),
    transform 160ms var(--ease), color 200ms var(--ease);
}
.page-contact .pc-routing__tag:hover {
  border-left-color: var(--orange);
  transform: translateX(3px);
}
.page-contact .pc-routing__num {
  flex: 0 0 auto;
  padding-top: 2px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
  transition: color 200ms var(--ease);
}
.page-contact .pc-routing__body {
  display: block;
  min-width: 0;
}
.page-contact .pc-routing__name {
  display: block;
  font-family: var(--font-cond);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--paper);
}
.page-contact .pc-routing__sub {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-contact .pc-routing__input:nth-of-type(1):checked ~ .pc-routing__tags > .pc-routing__tag:nth-child(1),
.page-contact .pc-routing__input:nth-of-type(2):checked ~ .pc-routing__tags > .pc-routing__tag:nth-child(2),
.page-contact .pc-routing__input:nth-of-type(3):checked ~ .pc-routing__tags > .pc-routing__tag:nth-child(3) {
  background: rgba(255, 106, 26, 0.09);
  border-left-color: var(--orange);
}
.page-contact .pc-routing__input:nth-of-type(1):checked ~ .pc-routing__tags > .pc-routing__tag:nth-child(1) .pc-routing__num,
.page-contact .pc-routing__input:nth-of-type(2):checked ~ .pc-routing__tags > .pc-routing__tag:nth-child(2) .pc-routing__num,
.page-contact .pc-routing__input:nth-of-type(3):checked ~ .pc-routing__tags > .pc-routing__tag:nth-child(3) .pc-routing__num {
  color: var(--orange);
}

.page-contact .pc-routing__input:focus-visible:nth-of-type(1) ~ .pc-routing__tags > .pc-routing__tag:nth-child(1),
.page-contact .pc-routing__input:focus-visible:nth-of-type(2) ~ .pc-routing__tags > .pc-routing__tag:nth-child(2),
.page-contact .pc-routing__input:focus-visible:nth-of-type(3) ~ .pc-routing__tags > .pc-routing__tag:nth-child(3) {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.page-contact .pc-routing__panels {
  min-width: 0;
}
.page-contact .pc-routing__panel {
  display: none;
  position: relative;
  padding: var(--pc-pad);
  background: var(--turf);
  border: 1px solid var(--line);
}
.page-contact .pc-routing__panel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--orange) 0%, var(--blue) 100%);
}
.page-contact .pc-routing__input:nth-of-type(1):checked ~ .pc-routing__panels > .pc-routing__panel:nth-child(1),
.page-contact .pc-routing__input:nth-of-type(2):checked ~ .pc-routing__panels > .pc-routing__panel:nth-child(2),
.page-contact .pc-routing__input:nth-of-type(3):checked ~ .pc-routing__panels > .pc-routing__panel:nth-child(3) {
  display: block;
}
.page-contact .pc-routing__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(20px, 2.6vw, 26px);
  color: var(--paper);
}
.page-contact .pc-routing__lede {
  max-width: 46ch;
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}
.page-contact .pc-routing__more {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .pc-facts {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  border-top: 1px solid var(--line);
}
.page-contact .pc-facts__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.page-contact .pc-facts__row dt {
  font-family: var(--font-cond);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--yellow);
}
.page-contact .pc-facts__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper);
}

/* ---------- 联系方式 ---------- */
.page-contact .pc-channels {
  margin-top: clamp(40px, 7vw, 88px);
}
.page-contact .pc-channels__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas:
    "mail"
    "tel"
    "media";
  gap: var(--pc-gap);
  margin-top: clamp(20px, 3vw, 32px);
}
.page-contact .pc-channel--mail { grid-area: mail; }
.page-contact .pc-channel--tel { grid-area: tel; }
.page-contact .pc-channel__media { grid-area: media; }

.page-contact .pc-channel {
  position: relative;
  padding: clamp(20px, 3vw, 32px);
  background: var(--glass);
  border: 1px solid var(--line);
}
.page-contact .pc-channel--mail { border-top: 3px solid var(--orange); }
.page-contact .pc-channel--tel { border-top: 3px solid var(--blue); }

.page-contact .pc-channel__k {
  margin: 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.page-contact .pc-channel__v {
  margin: 12px 0 0;
  font-size: clamp(16px, 3.4vw, 25px);
  line-height: 1.3;
  font-weight: 700;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}
.page-contact .pc-channel__note {
  margin: 14px 0 0;
  max-width: 40ch;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}
.page-contact .pc-channel__act {
  margin: 18px 0 0;
}

.page-contact .pc-channel__media {
  margin: 0;
  position: relative;
  background: var(--turf);
  border: 1px solid var(--line);
  overflow: hidden;
}
.page-contact .pc-channel__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(0.55) brightness(0.86);
}
.page-contact .pc-channel__media .media__cap {
  display: block;
  padding: 10px 14px;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

/* ---------- 合作四步 ---------- */
.page-contact .pc-start {
  margin-top: clamp(40px, 7vw, 88px);
}
.page-contact .pc-start__note {
  margin: 10px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}
.page-contact .pc-steps {
  list-style: none;
  margin: clamp(20px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
}
.page-contact .pc-steps__item {
  position: relative;
  padding: clamp(18px, 2.6vw, 28px);
  background: var(--glass);
  border: 1px solid var(--line);
  border-bottom: 2px solid var(--line-strong);
  transition: border-bottom-color 200ms var(--ease), transform 160ms var(--ease);
}
.page-contact .pc-steps__item:hover {
  border-bottom-color: var(--blue);
  transform: translateY(-2px);
}
.page-contact .pc-steps__num {
  display: inline-block;
  padding: 3px 8px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink);
  background: var(--yellow);
}
.page-contact .pc-steps__item:nth-child(2n) .pc-steps__num {
  background: var(--blue);
  color: var(--ink);
}
.page-contact .pc-steps__title {
  margin: 14px 0 0;
  font-family: var(--font-cond);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--paper);
}
.page-contact .pc-steps__item p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--muted);
}

/* ---------- 办公地点 ---------- */
.page-contact .pc-place {
  margin-top: clamp(40px, 7vw, 88px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  align-items: center;
}
.page-contact .pc-place__text {
  max-width: 56ch;
}
.page-contact .pc-place__text h2 {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(24px, 4vw, 38px);
  line-height: 1.2;
  color: var(--paper);
}
.page-contact .pc-place__text p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}
.page-contact .pc-place__addr {
  display: inline-block;
  margin-top: 20px !important;
  padding: 10px 14px;
  font-size: clamp(13px, 2.4vw, 16px);
  color: var(--paper);
  background: rgba(255, 106, 26, 0.1);
  border-left: 3px solid var(--orange);
  overflow-wrap: anywhere;
}
.page-contact .pc-place__mark {
  position: relative;
  padding: 22px 18px 18px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(22, 33, 28, 0.9) 0%, rgba(11, 15, 13, 0.9) 100%);
}
.page-contact .pc-place__svg {
  display: block;
  width: 100%;
  height: auto;
  color: var(--muted);
  opacity: 0.75;
}
.page-contact .pc-place__grid {
  display: block;
  margin-top: 14px;
  padding-top: 12px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

/* ---------- 页尾铭牌 ---------- */
.page-contact .pc-plate {
  margin-top: clamp(44px, 7vw, 92px);
  padding: clamp(20px, 3vw, 32px) 0 clamp(30px, 5vw, 52px);
  border-top: 1px solid var(--line-strong);
}
.page-contact .pc-plate__list {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}
.page-contact .pc-plate__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}
.page-contact .pc-plate__row dt {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.page-contact .pc-plate__row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
  overflow-wrap: anywhere;
}
.page-contact .pc-plate__note {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: 13.5px;
  line-height: 1.76;
  color: var(--muted);
}

/* ---------- 链接下划线 ---------- */
.page-contact a {
  color: var(--blue);
  text-decoration: none;
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 0% 1px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  transition: background-size 200ms var(--ease), color 200ms var(--ease);
}
.page-contact a:hover {
  color: var(--orange);
  background-size: 100% 1px;
}

/* ---------- 小屏补充 ---------- */
@media (max-width: 419px) {
  .page-contact .pc-routing__tag {
    gap: 10px;
    padding: 13px 13px;
  }
  .page-contact .pc-channel__v {
    font-size: 15.5px;
  }
}

/* ---------- 中等屏 ---------- */
@media (min-width: 700px) {
  .page-contact .pc-facts__row {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
  .page-contact .pc-plate__row {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
  .page-contact .pc-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 桌面：左侧展签 + 右侧面板 ---------- */
@media (min-width: 900px) {
  .page-contact .pc-routing {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    align-items: start;
  }
  .page-contact .pc-channels__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    grid-template-areas:
      "mail media"
      "tel  media";
  }
  .page-contact .pc-channel__media {
    height: 100%;
    display: flex;
    flex-direction: column;
  }
  .page-contact .pc-channel__media img {
    height: 100%;
    flex: 1 1 auto;
    aspect-ratio: auto;
    min-height: 260px;
  }
  .page-contact .pc-place {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }
}

/* ---------- 大屏：四步走非对称栅格 ---------- */
@media (min-width: 1060px) {
  .page-contact .pc-steps {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }
  .page-contact .pc-steps__item:nth-child(1) { grid-column: span 7; }
  .page-contact .pc-steps__item:nth-child(2) { grid-column: span 5; }
  .page-contact .pc-steps__item:nth-child(3) { grid-column: span 5; }
  .page-contact .pc-steps__item:nth-child(4) { grid-column: span 7; }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-routing__tag,
  .page-contact .pc-steps__item,
  .page-contact a {
    transition: none;
  }
  .page-contact .pc-routing__tag:hover,
  .page-contact .pc-steps__item:hover {
    transform: none;
  }
}