.page-contact {
  --contact-body: #3C4A48;
  --contact-lead-h: clamp(230px, 34vw, 400px);
  padding-bottom: clamp(40px, 6vw, 80px);
}

.page-contact .lb-container {
  max-width: 1140px;
}

.page-contact .lb-container--narrow {
  max-width: 880px;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-lead {
  padding-top: calc(var(--lb-bar-h) + var(--lb-header-h) + clamp(12px, 2.5vw, 28px));
}

.page-contact .contact-lead__stage {
  position: relative;
  border-radius: var(--lb-radius-lg);
  overflow: hidden;
  background: linear-gradient(160deg, var(--lb-pitch-deep), var(--lb-ink));
  box-shadow: var(--lb-shadow);
}

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

.page-contact .contact-lead__media img {
  display: block;
  width: 100%;
  height: var(--contact-lead-h);
  object-fit: cover;
  opacity: .74;
}

.page-contact .contact-lead__copy {
  position: absolute;
  inset: auto 0 0 0;
  padding: clamp(22px, 4vw, 46px);
  background: linear-gradient(0deg, rgba(14, 26, 36, .94) 12%, rgba(14, 26, 36, .58) 62%, rgba(14, 26, 36, 0) 100%);
  color: var(--lb-paper);
}

.page-contact .contact-lead__kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--lb-neon);
}

.page-contact .contact-lead__copy .lb-page-title {
  margin: 0;
  color: var(--lb-paper);
  font-size: clamp(26px, 4.2vw, 48px);
  line-height: 1.24;
  text-shadow: 0 2px 18px rgba(14, 26, 36, .5);
}

.page-contact .contact-lead__copy .lb-page-lead {
  margin: 14px 0 0;
  max-width: 62ch;
  color: var(--lb-on-dark);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
}

/* ---------- 锚点跳转 ---------- */

.page-contact .contact-jump {
  position: sticky;
  top: calc(var(--lb-bar-h) + 60px);
  z-index: 4;
  margin-top: clamp(14px, 2.4vw, 26px);
  padding: 10px 0;
  background: var(--lb-glass);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--lb-line);
  border-bottom: 1px solid var(--lb-line);
}

.page-contact .contact-jump__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-contact .contact-jump__list::-webkit-scrollbar {
  display: none;
}

.page-contact .contact-jump__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  white-space: nowrap;
  border-radius: var(--lb-radius);
  border: 1px solid var(--lb-line);
  background: #FFFFFF;
  font-size: 14px;
  font-weight: 700;
  color: var(--lb-pitch-deep);
  text-decoration: none;
  transition: border-color .2s ease, color .2s ease, background-color .2s ease;
}

.page-contact .contact-jump__link:hover,
.page-contact .contact-jump__link:focus-visible {
  border-color: var(--lb-pitch);
  background: var(--lb-neon-soft);
  color: var(--lb-ink);
}

/* ---------- 区块基调 ---------- */

.page-contact .lb-section__head {
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-contact .lb-section__title {
  margin-top: 6px;
}

.page-contact .lb-section__lead {
  max-width: 60ch;
}

/* ---------- 01 联系渠道 ---------- */

.page-contact .contact-channels {
  border-top: 2px solid var(--lb-pitch);
}

.page-contact .contact-channel {
  position: relative;
  display: block;
  padding: clamp(20px, 3.2vw, 30px) 0 clamp(20px, 3.2vw, 30px) 22px;
  border-bottom: 1px solid var(--lb-line);
}

.page-contact .contact-channel::before {
  content: "";
  position: absolute;
  left: 0;
  top: clamp(24px, 3.6vw, 34px);
  width: 8px;
  height: 34px;
  background: var(--lb-pitch);
  transform: skewX(-10deg);
}

.page-contact .contact-channel--primary::before {
  background: var(--lb-neon);
}

.page-contact .contact-channel__label {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .08em;
  color: var(--lb-gray);
}

.page-contact .contact-channel__value {
  display: inline-block;
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(21px, 3.3vw, 30px);
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--lb-pitch-deep);
  text-decoration: none;
  overflow-wrap: anywhere;
  border-bottom: 2px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}

.page-contact a.contact-channel__value:hover,
.page-contact a.contact-channel__value:focus-visible {
  color: var(--lb-pitch);
  border-bottom-color: var(--lb-neon);
}

.page-contact .contact-channel__value--address {
  font-family: var(--font-sans);
  font-size: clamp(18px, 2.3vw, 22px);
  font-weight: 800;
  color: var(--lb-ink);
  border-bottom: none;
}

.page-contact .contact-channel__note {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--contact-body);
}

@media (min-width: 760px) {
  .page-contact .contact-channel {
    display: grid;
    grid-template-columns: 172px minmax(0, 1fr);
    align-items: baseline;
    column-gap: 28px;
  }

  .page-contact .contact-channel__label {
    grid-column: 1;
    margin: 0;
  }

  .page-contact .contact-channel__value {
    grid-column: 2;
    margin: 0;
  }

  .page-contact .contact-channel__note {
    grid-column: 2;
  }
}

/* ---------- 02 工作时段 ---------- */

.page-contact .contact-hours {
  background: linear-gradient(180deg, var(--lb-neon-soft), rgba(251, 235, 194, .32));
  border-top: 1px solid rgba(242, 193, 78, .7);
  border-bottom: 1px solid rgba(242, 193, 78, .7);
}

.page-contact .contact-scale {
  margin-top: 8px;
}

.page-contact .contact-scale__axis {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--lb-pitch-deep);
}

.page-contact .contact-scale__track {
  position: relative;
  height: 16px;
  margin: 8px 0 22px;
  border-radius: var(--lb-radius);
  background: rgba(14, 26, 36, .1);
  overflow: hidden;
}

.page-contact .contact-scale__fill {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--lb-pitch-deep), var(--lb-pitch-light));
  clip-path: polygon(0 0, 100% 0, calc(100% - 12px) 100%, 0 100%);
}

.page-contact .contact-scale__track::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(246, 248, 245, .46) 0 1px, transparent 1px 12.5%);
  pointer-events: none;
}

.page-contact .contact-scale__notes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--lb-ink);
}

.page-contact .contact-scale__time {
  display: inline-block;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--lb-pitch-deep);
}

@media (min-width: 760px) {
  .page-contact .contact-scale__notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

/* ---------- 03 勘误要素 ---------- */

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

.page-contact .contact-reqs__item {
  position: relative;
  padding: 22px 0 22px 64px;
  border-top: 1px solid var(--lb-line);
}

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

.page-contact .contact-reqs__no {
  position: absolute;
  left: 0;
  top: 22px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 26px;
  line-height: 1;
  color: var(--lb-pitch-light);
}

.page-contact .contact-reqs__title {
  margin: 0 0 6px;
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 800;
  color: var(--lb-ink);
}

.page-contact .contact-reqs__text {
  margin: 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--contact-body);
}

/* ---------- 04 双栏对照 ---------- */

.page-contact .contact-ask {
  display: grid;
  gap: 18px;
}

.page-contact .contact-ask__item {
  padding: 24px 24px 26px;
  border-radius: var(--lb-radius);
  background: #FFFFFF;
  border: 1px solid var(--lb-line);
  border-top: 4px solid var(--lb-pitch);
}

.page-contact .contact-ask__item:nth-child(2) {
  border-top-color: var(--lb-pitch-deep);
}

.page-contact .contact-ask__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--lb-gray);
}

.page-contact .contact-ask__title {
  margin: 10px 0 12px;
  font-family: var(--font-sans);
  font-size: 19px;
  font-weight: 900;
  line-height: 1.4;
  color: var(--lb-pitch-deep);
}

.page-contact .contact-ask__item p:last-child {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--contact-body);
}

@media (min-width: 760px) {
  .page-contact .contact-ask {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
}

/* ---------- 05 合作洽谈 ---------- */

.page-contact .contact-partner {
  display: grid;
  gap: 24px;
}

.page-contact .contact-partner__media {
  margin: 0;
  border-radius: var(--lb-radius);
  overflow: hidden;
  background: linear-gradient(160deg, var(--lb-pitch-deep), var(--lb-ink));
}

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

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

.page-contact .contact-partner__list li {
  display: grid;
  gap: 5px;
  padding-left: 16px;
  border-left: 3px solid var(--lb-pitch-light);
}

.page-contact .contact-partner__list strong {
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 800;
  color: var(--lb-ink);
}

.page-contact .contact-partner__list span {
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--contact-body);
}

.page-contact .contact-partner__cta {
  margin: 22px 0 0;
  padding: 16px 18px;
  border-radius: var(--lb-radius);
  background: var(--lb-neon-soft);
  font-size: 15px;
  line-height: 1.85;
  color: var(--lb-ink);
}

@media (min-width: 820px) {
  .page-contact .contact-partner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 38px;
    align-items: start;
  }
}

/* ---------- 06 分流导航 ---------- */

.page-contact .contact-before__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .contact-before__list a {
  display: grid;
  gap: 7px;
  height: 100%;
  padding: 18px 20px 16px;
  border-radius: var(--lb-radius);
  border: 1px solid var(--lb-line);
  background: #FFFFFF;
  font-weight: 800;
  font-size: 17px;
  line-height: 1.5;
  color: var(--lb-pitch-deep);
  text-decoration: none;
  transition: border-color .2s ease, background-color .2s ease, transform .2s var(--lb-ease);
}

.page-contact .contact-before__list a::before {
  content: "→";
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--lb-pitch-light);
}

.page-contact .contact-before__list a span {
  font-weight: 400;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--contact-body);
}

.page-contact .contact-before__list a:hover,
.page-contact .contact-before__list a:focus-visible {
  border-color: var(--lb-pitch);
  background: rgba(11, 110, 79, .05);
  transform: translateY(-2px);
}

@media (min-width: 720px) {
  .page-contact .contact-before__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}

/* ---------- 窄屏适配 ---------- */

@media (max-width: 759px) {
  .page-contact .contact-lead__stage {
    display: flex;
    flex-direction: column;
  }

  .page-contact .contact-lead__media {
    order: -1;
  }

  .page-contact .contact-lead__media img {
    height: 200px;
    opacity: .82;
  }

  .page-contact .contact-lead__copy {
    position: static;
    background: linear-gradient(160deg, var(--lb-pitch-deep), var(--lb-ink));
  }

  .page-contact .contact-jump {
    position: static;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
}

@media (max-width: 420px) {
  .page-contact .contact-reqs__item {
    padding-left: 46px;
  }

  .page-contact .contact-reqs__no {
    font-size: 22px;
  }

  .page-contact .contact-channel {
    padding-left: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-before__list a {
    transition: none;
  }

  .page-contact .contact-before__list a:hover,
  .page-contact .contact-before__list a:focus-visible {
    transform: none;
  }
}