/* ===== 联系入口 · 页面专属样式 ===== */
.page-contact {
  --pc-hero-bg: linear-gradient(158deg, #0E2A47 0%, #16436E 56%, #0F3355 100%);
  --pc-glass: rgba(255, 255, 255, 0.075);
  --pc-glass-line: rgba(255, 255, 255, 0.2);
  --pc-on-dark-soft: rgba(232, 241, 250, 0.78);
  padding-bottom: 8px;
}

.page-contact .crumbs {
  padding: 18px 0 14px;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  background: var(--pc-hero-bg);
  color: #ffffff;
  padding: 34px 0 40px;
  margin-bottom: 8px;
}

.page-contact .pc-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-contact .pc-hero__eyebrow {
  color: var(--pc-on-dark-soft);
  margin: 0 0 12px;
}

.page-contact .pc-hero__title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 6vw, 2.6rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  font-weight: 700;
  color: #ffffff;
  margin: 0 0 16px;
}

.page-contact .pc-hero__lede {
  font-size: var(--t-16);
  line-height: 1.8;
  color: var(--pc-on-dark-soft);
  margin: 0 0 20px;
  max-width: 46em;
}

.page-contact .pc-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .pc-tag {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: var(--t-12);
  letter-spacing: 0.02em;
  padding: 5px 11px;
  border-radius: var(--r-pill);
  border: 1px solid var(--pc-glass-line);
  background: rgba(255, 255, 255, 0.1);
  color: #E8F1FA;
}

.page-contact .pc-tag--brass {
  border-color: rgba(168, 123, 47, 0.6);
  background: rgba(243, 230, 201, 0.14);
  color: var(--brass-100);
}

/* 联系信息板 */
.page-contact .pc-board {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .pc-plate {
  background: var(--pc-glass);
  border: 1px solid var(--pc-glass-line);
  border-radius: var(--r-lg);
  padding: 18px 20px;
  transition: border-color var(--fast), background var(--fast);
}

.page-contact .pc-plate:hover {
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.11);
}

.page-contact .pc-plate__label {
  font-size: var(--t-12);
  letter-spacing: 0.12em;
  color: rgba(220, 232, 244, 0.72);
  margin: 0 0 6px;
}

.page-contact .pc-plate__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-bottom: 8px;
}

.page-contact .pc-plate__value {
  font-size: var(--t-16);
  letter-spacing: 0.02em;
  color: #ffffff;
  word-break: break-word;
}

.page-contact .pc-plate__copy {
  font-family: var(--font-mono);
  font-size: var(--t-12);
  letter-spacing: 0.02em;
  padding: 4px 11px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.13);
  color: #ffffff;
  cursor: pointer;
  transition: background var(--fast), border-color var(--fast);
}

.page-contact .pc-plate__copy:hover,
.page-contact .pc-plate__copy:focus-visible {
  background: rgba(255, 255, 255, 0.26);
  border-color: rgba(255, 255, 255, 0.55);
}

.page-contact .pc-plate__note {
  font-size: var(--t-14);
  line-height: 1.7;
  color: rgba(232, 241, 250, 0.74);
  margin: 0;
}

/* ---------- 主内容双轴 ---------- */
.page-contact .pc-main {
  min-width: 0;
}

.page-contact .pc-sec {
  padding: 32px 0 36px;
  border-top: 1px solid var(--line);
}

.page-contact .pc-main > .pc-sec:first-child {
  border-top: 0;
  padding-top: 26px;
}

.page-contact .pc-sec__head {
  margin-bottom: 22px;
}

.page-contact .pc-sec__title {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 4.4vw, 1.75rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 8px 0 10px;
}

.page-contact .pc-sec__intro {
  font-size: var(--t-16);
  line-height: 1.8;
  color: var(--gray-700);
  margin: 0;
  max-width: 44em;
}

/* ---------- 留言准备 ---------- */
.page-contact .pc-message {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-contact .pc-message__fields {
  min-width: 0;
}

.page-contact .pc-field {
  display: block;
  margin-bottom: 16px;
}

.page-contact .pc-field__label {
  display: block;
  font-size: var(--t-14);
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: 6px;
}

.page-contact .pc-field__input,
.page-contact .pc-field__area {
  display: block;
  width: 100%;
  box-sizing: border-box;
  font-family: var(--font-ui);
  font-size: var(--t-16);
  line-height: 1.6;
  color: var(--ink);
  background: #ffffff;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  padding: 11px 13px;
  transition: border-color var(--fast), box-shadow var(--fast);
}

.page-contact .pc-field__area {
  resize: vertical;
  min-height: 118px;
  line-height: 1.7;
}

.page-contact .pc-field__input::placeholder,
.page-contact .pc-field__area::placeholder {
  color: #98938A;
}

.page-contact .pc-field__input:focus,
.page-contact .pc-field__area:focus {
  outline: none;
  border-color: var(--blue-500);
  box-shadow: 0 0 0 3px rgba(47, 114, 180, 0.16);
}

.page-contact .pc-message__note {
  font-family: var(--font-mono);
  font-size: var(--t-12);
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--gray-700);
  border-left: 2px solid var(--brass-600);
  padding-left: 10px;
  margin: 6px 0 0;
}

.page-contact .pc-message__media {
  margin: 0;
}

/* ---------- 处理流程时间条 ---------- */
.page-contact .pc-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
}

.page-contact .pc-flow__step {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 20px 16px 18px 0;
  border-top: 1px solid var(--line);
  outline-offset: 4px;
}

.page-contact .pc-flow__dot {
  position: absolute;
  top: -5px;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--brass-600);
  transition: background var(--fast), transform var(--fast);
}

.page-contact .pc-flow__step.is-done .pc-flow__dot {
  background: var(--blue-700);
}

.page-contact .pc-flow__step:hover .pc-flow__dot,
.page-contact .pc-flow__step:focus-visible .pc-flow__dot {
  background: var(--blue-500);
  transform: scale(1.4);
}

.page-contact .pc-flow__num {
  font-size: var(--t-12);
  letter-spacing: 0.14em;
  color: var(--blue-500);
}

.page-contact .pc-flow__name {
  font-family: var(--font-display);
  font-size: var(--t-16);
  font-weight: 600;
  color: var(--ink);
}

.page-contact .pc-flow__note {
  font-size: var(--t-14);
  line-height: 1.7;
  color: var(--gray-700);
  margin: 0;
  padding-right: 4px;
  transition: opacity var(--base);
}

/* ---------- 洽谈准备折叠清单 ---------- */
.page-contact .pc-brief {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--gray-50);
  overflow: hidden;
}

.page-contact .pc-brief__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: var(--t-16);
  font-weight: 600;
  color: var(--ink);
  transition: background var(--fast);
}

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

.page-contact .pc-brief__summary:hover {
  background: #ffffff;
}

.page-contact .pc-brief__summary::after {
  content: "＋";
  font-family: var(--font-mono);
  font-size: var(--t-16);
  color: var(--blue-500);
}

.page-contact .pc-brief[open] .pc-brief__summary::after {
  content: "－";
}

.page-contact .pc-brief__body {
  border-top: 1px solid var(--line);
  background: var(--gray-50);
}

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

.page-contact .pc-check__item + .pc-check__item {
  border-top: 1px solid var(--line);
}

.page-contact .pc-check__label {
  display: grid;
  grid-template-columns: 22px 1fr;
  grid-template-rows: auto auto;
  gap: 2px 12px;
  padding: 14px 18px;
  cursor: pointer;
  transition: background var(--fast);
}

.page-contact .pc-check__label:hover {
  background: #ffffff;
}

.page-contact .pc-check__box {
  grid-column: 1;
  grid-row: 1 / span 2;
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  accent-color: var(--blue-700);
  cursor: pointer;
}

.page-contact .pc-check__title {
  grid-column: 2;
  grid-row: 1;
  font-size: var(--t-16);
  font-weight: 500;
  color: var(--ink);
  transition: color var(--fast);
}

.page-contact .pc-check__desc {
  grid-column: 2;
  grid-row: 2;
  font-size: var(--t-14);
  line-height: 1.7;
  color: var(--gray-700);
}

.page-contact .pc-check__box:checked ~ .pc-check__title {
  color: var(--celadon-600);
}

/* ---------- 到访与区位 ---------- */
.page-contact .pc-visit {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-contact .pc-visit__media {
  margin: 0;
}

.page-contact .pc-visit__addr {
  font-size: var(--t-16);
  letter-spacing: 0.02em;
  color: var(--ink);
  background: var(--brass-100);
  border-left: 3px solid var(--brass-600);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  padding: 11px 14px;
  margin: 0 0 16px;
}

.page-contact .pc-visit__para {
  font-size: var(--t-16);
  line-height: 1.8;
  color: var(--gray-700);
  margin: 0 0 12px;
}

.page-contact .pc-visit__para:last-child {
  margin-bottom: 0;
}

/* ---------- 反馈归档 ---------- */
.page-contact .pc-archive {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-contact .pc-archive__item {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  background: var(--paper);
  padding: 16px 18px;
  transition: background var(--fast);
}

.page-contact .pc-archive__item:hover {
  background: var(--blue-100);
}

.page-contact .pc-archive__num {
  font-size: var(--t-12);
  letter-spacing: 0.1em;
  color: var(--brass-ink);
  padding-top: 3px;
}

.page-contact .pc-archive__body {
  min-width: 0;
}

.page-contact .pc-archive__title {
  font-size: var(--t-16);
  font-weight: 500;
  color: var(--ink);
  margin: 0 0 4px;
}

.page-contact .pc-archive__desc {
  font-size: var(--t-14);
  line-height: 1.7;
  color: var(--gray-700);
  margin: 0;
}

/* ---------- 快捷入口 ---------- */
.page-contact .pc-quick {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-contact .pc-quick__link {
  display: block;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: #ffffff;
  text-decoration: none;
  transition: border-color var(--fast), transform var(--fast), background var(--fast);
}

.page-contact .pc-quick__link:hover,
.page-contact .pc-quick__link:focus-visible {
  border-color: var(--blue-500);
  background: var(--blue-100);
  transform: translateX(2px);
}

.page-contact .pc-quick__title {
  display: block;
  font-size: var(--t-16);
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 3px;
}

.page-contact .pc-quick__desc {
  display: block;
  font-size: var(--t-14);
  line-height: 1.6;
  color: var(--gray-700);
}

/* ---------- 右侧收藏栏补充 ---------- */
.page-contact .pc-rail__card {
  margin-top: 20px;
  padding: 14px 16px;
  border: 1px solid var(--line-brass);
  border-radius: var(--r-md);
  background: var(--brass-100);
}

.page-contact .pc-rail__card-label {
  font-size: var(--t-12);
  letter-spacing: 0.1em;
  color: var(--brass-ink);
  margin: 0 0 4px;
}

.page-contact .pc-rail__card-value {
  font-size: var(--t-20);
  letter-spacing: 0.02em;
  color: var(--ink);
  margin: 0 0 6px;
}

.page-contact .pc-rail__card-note {
  font-size: var(--t-14);
  line-height: 1.7;
  color: var(--gray-700);
  margin: 0;
}

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

  .page-contact .pc-archive {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 760px) {
  .page-contact .pc-message {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
    gap: 28px;
  }

  .page-contact .pc-flow {
    grid-template-columns: repeat(5, 1fr);
  }

  .page-contact .pc-flow__step {
    padding: 20px 14px 18px 0;
  }

  .page-contact .pc-flow__note {
    opacity: 0.55;
  }

  .page-contact .pc-flow__step:hover .pc-flow__note,
  .page-contact .pc-flow__step:focus-visible .pc-flow__note,
  .page-contact .pc-flow__step:focus-within .pc-flow__note {
    opacity: 1;
  }

  .page-contact .pc-visit {
    grid-template-columns: 1fr 1fr;
    align-items: start;
    gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-hero {
    padding: 44px 0 52px;
  }

  .page-contact .pc-hero__grid {
    grid-template-columns: 0.92fr 1.08fr;
    gap: 48px;
    align-items: start;
  }

  .page-contact .pc-board {
    gap: 14px;
  }

  .page-contact .pc-plate {
    padding: 20px 22px;
  }

  .page-contact .pc-sec {
    padding: 40px 0 44px;
  }
}

@media (min-width: 1100px) {
  .page-contact .pc-quick {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-plate,
  .page-contact .pc-flow__dot,
  .page-contact .pc-flow__note,
  .page-contact .pc-quick__link,
  .page-contact .pc-field__input,
  .page-contact .pc-field__area,
  .page-contact .pc-check__label,
  .page-contact .pc-archive__item,
  .page-contact .pc-brief__summary {
    transition: none;
  }

  .page-contact .pc-quick__link:hover,
  .page-contact .pc-quick__link:focus-visible {
    transform: none;
  }

  .page-contact .pc-flow__step:hover .pc-flow__dot,
  .page-contact .pc-flow__step:focus-visible .pc-flow__dot {
    transform: none;
  }
}
</main>