.page-contact {
  --pc-line: rgba(244, 247, 242, 0.13);
  --pc-line-strong: rgba(244, 247, 242, 0.24);
  --pc-surface: rgba(18, 58, 48, 0.42);
  --pc-surface-hi: rgba(18, 58, 48, 0.68);
  --pc-gap: clamp(16px, 3vw, 28px);
}

.page-contact .breadcrumb {
  max-width: var(--maxw);
  margin: 10px auto 0;
  padding: 0 clamp(16px, 4vw, 28px);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
  align-items: center;
}

.page-contact .contact-hero__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  overflow: hidden;
  background:
    linear-gradient(155deg, rgba(11, 27, 43, 0.92), rgba(7, 26, 22, 0.92));
  box-shadow: var(--shadow);
}

.page-contact .contact-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 22% 12%, rgba(198, 255, 74, 0.16), transparent 58%),
    radial-gradient(circle at 84% 88%, rgba(77, 225, 193, 0.14), transparent 56%);
}

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .contact-hero__caption {
  position: absolute;
  left: 14px;
  bottom: 12px;
  z-index: 2;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--moss);
  background: rgba(5, 10, 9, 0.62);
  border: 1px solid var(--pc-line);
  border-radius: 999px;
  padding: 5px 12px;
}

.page-contact .contact-hero__lead h1 {
  margin: 14px 0 0;
  font-size: clamp(30px, 6.2vw, 54px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--chalk);
}

.page-contact .contact-hero__lead .lead {
  margin-top: 18px;
}

.page-contact .contact-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-contact .contact-tags a.tag {
  text-decoration: none;
  transition: transform 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-contact .contact-tags a.tag:hover,
.page-contact .contact-tags a.tag:focus-visible {
  transform: translateY(-2px);
  border-color: var(--lime);
}

/* ---------- 合作路径与联系卡片 ---------- */

.page-contact .contact-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
  margin-top: 30px;
}

.page-contact .contact-tree {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .contact-tree__item {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 18px 18px 16px;
  border: 1px solid var(--pc-line);
  border-left: 3px solid rgba(198, 255, 74, 0.32);
  border-radius: var(--radius);
  background: var(--pc-surface);
  transition: border-color 0.22s ease, background-color 0.22s ease, transform 0.22s ease;
}

.page-contact .contact-tree__item:hover,
.page-contact .contact-tree__item:focus-within {
  border-color: var(--pc-line-strong);
  border-left-color: var(--lime);
  background: var(--pc-surface-hi);
  transform: translateX(3px);
}

.page-contact .contact-tree__idx {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--lime-soft);
  color: var(--lime);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.page-contact .contact-tree__body h3 {
  margin: 0 0 8px;
  font-size: 19px;
  color: var(--chalk);
  letter-spacing: 0.005em;
}

.page-contact .contact-tree__body p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(244, 247, 242, 0.78);
}

.page-contact .contact-tree__note {
  margin-top: 10px;
  font-size: 13px;
  color: var(--moss);
  border-top: 1px dashed var(--pc-line);
  padding-top: 10px;
}

/* 玻璃联系卡片 */

.page-contact .contact-split__card {
  align-self: start;
}

.page-contact .contact-card {
  display: grid;
  gap: 18px;
  padding: clamp(20px, 3.4vw, 30px);
  border: 1px solid rgba(198, 255, 74, 0.22);
  border-radius: var(--radius);
  background:
    linear-gradient(152deg, rgba(18, 58, 48, 0.80), rgba(11, 27, 43, 0.88));
  box-shadow: var(--shadow);
  backdrop-filter: blur(7px);
  -webkit-backdrop-filter: blur(7px);
}

.page-contact .contact-card__head {
  display: grid;
  gap: 10px;
  justify-items: start;
}

.page-contact .contact-card__title {
  margin: 0;
  font-size: clamp(22px, 3.4vw, 28px);
  color: var(--chalk);
}

.page-contact .contact-card__intro {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(244, 247, 242, 0.74);
}

.page-contact .contact-card__row {
  display: grid;
  gap: 7px;
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--pc-line);
}

.page-contact .contact-card__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .contact-card__label {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--moss);
  font-family: var(--font-num);
}

.page-contact .copy-mail {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  max-width: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  text-align: left;
  font: inherit;
  color: var(--gold);
  transition: color 0.2s ease;
}

.page-contact .copy-mail:hover,
.page-contact .copy-mail:focus-visible {
  color: var(--lime);
}

.page-contact .copy-mail__value {
  font-family: var(--font-num);
  font-size: clamp(14px, 2.6vw, 17px);
  font-weight: 700;
  letter-spacing: 0.01em;
  word-break: break-all;
  border-bottom: 1px solid rgba(242, 193, 78, 0.45);
}

.page-contact .copy-mail__label {
  font-size: 12px;
  color: var(--moss);
  border: 1px solid var(--pc-line);
  border-radius: 999px;
  padding: 3px 9px;
  white-space: nowrap;
}

.page-contact .copy-mail__hint {
  margin: 0;
  min-height: 16px;
  font-size: 12px;
  color: var(--cyan);
}

.page-contact .contact-card__tel {
  font-family: var(--font-num);
  font-size: clamp(22px, 4.6vw, 30px);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 2px solid rgba(242, 193, 78, 0.35);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-contact .contact-card__tel:hover,
.page-contact .contact-card__tel:focus-visible {
  color: var(--lime);
  border-color: var(--lime);
}

.page-contact .contact-card__note {
  margin: 0;
  font-size: 13px;
  color: var(--moss);
}

.page-contact .contact-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .contact-card__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(244, 247, 242, 0.82);
}

.page-contact .contact-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--lime);
  opacity: 0.85;
}

/* ---------- 到访信息 ---------- */

.page-contact .contact-visit__bar {
  display: grid;
  grid-template-columns: 1fr;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(11, 27, 43, 0.62);
}

.page-contact .contact-visit__frame {
  padding: clamp(22px, 3.6vw, 36px);
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .contact-visit__addr {
  margin: 12px 0 0;
  font-size: clamp(20px, 3.8vw, 28px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--chalk);
  border-left: 3px solid var(--gold);
  padding-left: 14px;
}

.page-contact .contact-visit__text {
  margin: 18px 0 0;
  max-width: 54ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(244, 247, 242, 0.76);
}

.page-contact .contact-visit__meta {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .contact-visit__meta li {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-family: var(--font-num);
  font-size: 14px;
  color: rgba(244, 247, 242, 0.86);
  word-break: break-all;
}

.page-contact .contact-visit__meta .mono {
  min-width: 46px;
  color: var(--cyan);
  letter-spacing: 0.12em;
  font-size: 12px;
}

.page-contact .contact-visit__figure {
  margin: 0;
  position: relative;
  min-height: 200px;
  background: linear-gradient(200deg, rgba(7, 26, 22, 0.9), rgba(11, 27, 43, 0.9));
}

.page-contact .contact-visit__figure img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 200px;
  object-fit: cover;
}

/* ---------- 需求提交指引 ---------- */

.page-contact .contact-brief__steps {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .contact-brief__step {
  position: relative;
  padding: 20px 18px 18px;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  background: rgba(7, 26, 22, 0.55);
  transition: border-color 0.22s ease, background-color 0.22s ease;
}

.page-contact .contact-brief__step:hover {
  border-color: rgba(198, 255, 74, 0.42);
  background: rgba(18, 58, 48, 0.5);
}

.page-contact .contact-brief__num {
  display: block;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--cyan);
  margin-bottom: 12px;
}

.page-contact .contact-brief__step h3 {
  margin: 0 0 8px;
  font-size: 17px;
  color: var(--chalk);
}

.page-contact .contact-brief__step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(244, 247, 242, 0.74);
}

.page-contact .contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* ---------- 响应式 ---------- */

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

  .page-contact .contact-visit__bar {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

  .page-contact .contact-visit__frame {
    border-bottom: 0;
    border-right: 1px solid var(--pc-line);
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.06fr);
    gap: clamp(24px, 4vw, 56px);
  }

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

@media (min-width: 1020px) {
  .page-contact .contact-split {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.95fr);
    gap: clamp(24px, 3vw, 40px);
  }

  .page-contact .contact-split__card {
    position: sticky;
    top: 32px;
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-brief__steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}