.page-contact {
  --contact-rule: rgba(53, 224, 208, 0.30);
  --contact-panel: rgba(20, 58, 92, 0.42);
  background: var(--sea);
  color: var(--cream);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(22px, 4vw, 40px) 0 clamp(52px, 7vw, 96px);
}

.page-contact .contact-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.18;
  filter: saturate(0.35) contrast(1.05);
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(11, 37, 64, 0.62) 0%, rgba(11, 37, 64, 0.44) 44%, var(--sea) 94%);
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 2;
}

.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cream-64);
}

.page-contact .breadcrumb__link {
  color: var(--cream-64);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .breadcrumb__link:hover,
.page-contact .breadcrumb__link:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

.page-contact .contact-hero__eyebrow {
  margin-top: clamp(26px, 4vw, 44px);
  color: var(--cream-80);
}

.page-contact .contact-hero h1 {
  margin: 16px 0 0;
  max-width: 18ch;
  font-size: clamp(34px, 6.2vw, 68px);
  font-weight: 250;
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--cream);
}

.page-contact .contact-hero__lede {
  max-width: 58ch;
  margin-top: 20px;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--cream-80);
}

/* ---------- 三张联系卡 ---------- */
.page-contact .contact-cards {
  display: grid;
  gap: 14px;
  margin: clamp(30px, 4.6vw, 54px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px;
  background: var(--glass);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  transition: border-color 160ms var(--ease), background-color 160ms var(--ease);
}

.page-contact .contact-card:hover,
.page-contact .contact-card:focus-within {
  border-color: var(--signal);
  background: rgba(53, 224, 208, 0.08);
}

.page-contact .contact-card__top {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-contact .contact-card__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.10em;
  color: var(--moss);
}

.page-contact .contact-card__label {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cream-80);
}

.page-contact .contact-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.4vw, 19px);
  font-weight: 600;
  line-height: 1.4;
  color: var(--cream);
  overflow-wrap: anywhere;
}

.page-contact .contact-card__value--addr {
  font-family: var(--font-sans);
  font-size: clamp(14px, 2vw, 16px);
  line-height: 1.65;
}

.page-contact .contact-card__list {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-card__list li {
  position: relative;
  padding-left: 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--cream-64);
}

.page-contact .contact-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 4px;
  height: 4px;
  background: var(--signal);
}

.page-contact .contact-card__meta {
  margin: auto 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--line-dark-soft);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cream-64);
}

/* ---------- 主体双栏 ---------- */
.page-contact .contact-body {
  display: grid;
  gap: clamp(40px, 6vw, 72px);
  padding-bottom: clamp(56px, 8vw, 110px);
}

.page-contact .contact-main {
  display: grid;
  gap: clamp(44px, 6vw, 84px);
  min-width: 0;
}

.page-contact .contact-section {
  min-width: 0;
  padding-top: 26px;
  border-top: 1px solid var(--line-dark-soft);
  scroll-margin-top: 96px;
}

.page-contact .contact-section__head {
  max-width: 62ch;
}

.page-contact .contact-section h2 {
  margin: 12px 0 0;
  font-family: var(--font-narrow);
  font-size: clamp(23px, 3.4vw, 31px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-contact .contact-section .lede {
  margin-top: 14px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--cream-80);
}

.page-contact .contact-note {
  margin-top: 18px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--cream-64);
}

.page-contact .link {
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 208, 0.45);
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .link:hover,
.page-contact .link:focus-visible {
  color: var(--cream);
  border-bottom-color: var(--cream);
}

/* ---------- 提问材料 ---------- */
.page-contact .material-list {
  display: grid;
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: mat;
}

.page-contact .material-list li {
  counter-increment: mat;
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 16px;
  background: var(--contact-panel);
  border-left: 2px solid var(--terracotta);
  border-radius: var(--radius);
}

.page-contact .material-list li::before {
  content: "0" counter(mat);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--signal);
  padding-top: 3px;
}

.page-contact .material-list strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--cream);
}

.page-contact .material-list span {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--cream-64);
}

/* ---------- 商务合作 ---------- */
.page-contact .biz-grid {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .biz-item {
  padding: 18px;
  background: var(--contact-panel);
  border: 1px solid var(--line-dark-soft);
  border-radius: var(--radius);
  transition: border-color 160ms var(--ease);
}

.page-contact .biz-item:hover {
  border-color: var(--contact-rule);
}

.page-contact .biz-item h3 {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--cream);
}

.page-contact .biz-item p {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--cream-64);
}

.page-contact .biz-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .biz-tags li {
  padding: 6px 12px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--signal);
  border: 1px solid var(--contact-rule);
  border-radius: 999px;
}

/* ---------- 到访 ---------- */
.page-contact .visit-panel {
  display: grid;
  gap: 24px;
  margin-top: 26px;
  padding: clamp(20px, 3vw, 32px);
  background: var(--cream);
  color: var(--ink);
  border-radius: var(--radius);
  border-left: 3px solid var(--terracotta);
}

.page-contact .visit-panel h3 {
  margin: 0;
  font-family: var(--font-narrow);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--sea);
}

.page-contact .visit-address {
  margin: 10px 0 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.8;
  color: var(--ink);
}

.page-contact .visit-list {
  display: grid;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .visit-list li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--stone);
}

.page-contact .visit-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 7px;
  height: 1px;
  background: var(--terracotta);
}

.page-contact .visit-figure {
  margin: 0;
}

.page-contact .visit-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--contact-rule);
  border-radius: var(--radius);
  filter: saturate(0.5) contrast(1.02);
}

.page-contact .visit-figure figcaption {
  margin-top: 8px;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--stone);
}

/* ---------- 回复节奏 ---------- */
.page-contact .reply-strip {
  margin-top: 26px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: var(--glass);
  overflow: hidden;
}

.page-contact .reply-row {
  display: grid;
  gap: 6px;
  padding: 15px 18px;
  border-bottom: 1px solid var(--line-dark-soft);
}

.page-contact .reply-row:last-child {
  border-bottom: 0;
}

.page-contact .reply-row__key {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--moss);
}

.page-contact .reply-row__val {
  font-size: 14px;
  line-height: 1.75;
  color: var(--cream-80);
}

.page-contact .contact-tail {
  margin-top: 22px;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--cream-64);
}

/* ---------- 右侧清单 ---------- */
.page-contact .contact-aside {
  min-width: 0;
}

.page-contact .brief-card {
  padding: 22px 20px;
  background: rgba(20, 58, 92, 0.50);
  border: 1px solid var(--contact-rule);
  border-radius: var(--radius);
}

.page-contact .brief-card h2 {
  margin: 0;
  font-family: var(--font-narrow);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--cream);
}

.page-contact .brief-card__hint {
  margin: 10px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--cream-64);
}

.page-contact .brief-list {
  display: grid;
  gap: 10px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .brief-list li {
  position: relative;
  padding-left: 18px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--cream-80);
}

.page-contact .brief-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.42em;
  width: 9px;
  height: 9px;
  border: 1px solid var(--signal);
  border-radius: 1px;
}

.page-contact .brief-card__foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-dark-soft);
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.9;
  letter-spacing: 0.02em;
  color: var(--cream-64);
  overflow-wrap: anywhere;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .biz-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-contact .reply-row {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: baseline;
    gap: 18px;
    padding: 16px 20px;
  }
}

@media (min-width: 720px) {
  .page-contact .visit-panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    align-items: center;
    gap: 30px;
  }
}

@media (min-width: 860px) {
  .page-contact .contact-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-body {
    grid-template-columns: minmax(0, 1fr) 292px;
    align-items: start;
  }

  .page-contact .contact-aside {
    position: sticky;
    top: 28px;
  }
}

@media (min-width: 1120px) {
  .page-contact .contact-card {
    padding: 24px 22px;
  }

  .page-contact .material-list li {
    padding: 16px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card,
  .page-contact .biz-item,
  .page-contact .link,
  .page-contact .breadcrumb__link {
    transition: none;
  }
}