.page-contact {
  --contact-line: rgba(27, 79, 134, 0.22);
  --contact-line-soft: rgba(18, 23, 31, 0.12);
  --contact-measure: 62ch;
  overflow-x: clip;
  background: var(--paper);
  color: var(--ink);
}

/* 面包屑 */
.page-contact .breadcrumb {
  padding: clamp(18px, 2.6vw, 32px) 0 0;
}
.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
}
.page-contact .breadcrumb li {
  display: flex;
  align-items: center;
  gap: 8px;
}
.page-contact .breadcrumb li + li::before {
  content: "/";
  color: var(--blue-soft);
}
.page-contact .breadcrumb a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 160ms var(--ease), color 160ms var(--ease);
}
.page-contact .breadcrumb a:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}
.page-contact .breadcrumb [aria-current="page"] {
  color: rgba(18, 23, 31, 0.6);
}

/* 首屏 */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(26px, 4vw, 56px) 0 clamp(34px, 5vw, 66px);
  overflow: hidden;
}
.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  z-index: 0;
  top: -34%;
  right: -16%;
  width: min(66vw, 720px);
  height: 168%;
  background: var(--ice);
  clip-path: polygon(46% 0, 100% 0, 100% 100%, 0 100%);
}
.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  z-index: 0;
  top: 18%;
  right: calc(-16% + min(66vw, 720px) * 0.46);
  width: 2px;
  height: 74%;
  background: var(--orange);
  opacity: 0.7;
}
.page-contact .hero-inner {
  position: relative;
  z-index: 1;
}
.page-contact .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--blue);
}
.page-contact .page-title {
  margin: 0 0 20px;
  max-width: min(100%, 620px);
  font-family: var(--font-display);
  font-size: clamp(32px, 5.4vw, 62px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.page-contact .page-lede {
  max-width: 56ch;
  margin: 0 0 clamp(26px, 3.4vw, 40px);
  font-size: var(--fs-17);
  line-height: 1.8;
  color: rgba(18, 23, 31, 0.78);
}

.page-contact .hero-quick {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--contact-line);
  border: 1px solid var(--contact-line);
}
.page-contact .hero-quick li {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 20px;
  background: var(--ink);
}
.page-contact .quick-key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--orange-soft);
}
.page-contact .quick-val {
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.5vw, 17px);
  line-height: 1.4;
  color: var(--paper);
  word-break: break-word;
}

/* 通用小节标题 */
.page-contact .sec-title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-size: clamp(22px, 2.5vw, 30px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink);
}

/* 左右分置主体 */
.page-contact .contact-core {
  padding: clamp(38px, 5.6vw, 84px) 0;
}
.page-contact .core-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 4.6vw, 52px);
}
.page-contact .core-left {
  padding-bottom: clamp(28px, 4vw, 40px);
  border-bottom: 1px solid var(--contact-line);
}
.page-contact .core-lede {
  max-width: 46ch;
  margin: 0 0 22px;
  font-size: var(--fs-17);
  line-height: 1.78;
  color: rgba(18, 23, 31, 0.76);
}
.page-contact .core-note {
  max-width: 46ch;
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--green);
  font-size: 15px;
  line-height: 1.75;
  color: rgba(18, 23, 31, 0.72);
}

/* 三个联系入口 */
.page-contact .entry {
  position: relative;
  padding: 22px 0 24px;
  border-top: 1px solid var(--contact-line);
}
.page-contact .entry:last-of-type {
  border-bottom: 1px solid var(--contact-line);
}
.page-contact .entry-num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--blue);
  transition: color 160ms var(--ease);
}
.page-contact .entry:hover .entry-num,
.page-contact .entry:focus-within .entry-num {
  color: var(--orange);
}
.page-contact .entry-tag {
  display: block;
  font-size: 14px;
  letter-spacing: 0.1em;
  color: rgba(18, 23, 31, 0.62);
}
.page-contact .entry-value {
  margin: 10px 0 8px;
  font-family: var(--font-mono);
  font-size: clamp(17px, 2vw, 22px);
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: -0.005em;
  color: var(--orange);
  word-break: break-word;
}
.page-contact .entry-value--addr {
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.7;
}
.page-contact .entry-fit {
  margin: 0;
  max-width: 34ch;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(18, 23, 31, 0.72);
}

/* 来信结构 */
.page-contact .letter {
  padding: clamp(18px, 2.4vw, 28px);
  background: rgba(228, 224, 214, 0.62);
  border: 1px solid var(--contact-line);
  border-left: 3px solid var(--blue);
}
.page-contact .letter-subject {
  margin: 0 0 16px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--contact-line);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--blue);
  word-break: break-word;
}
.page-contact .letter-fields {
  margin: 0;
}
.page-contact .letter-field {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 10px 0;
}
.page-contact .letter-field + .letter-field {
  border-top: 1px solid var(--contact-line-soft);
}
.page-contact .letter-field dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--blue);
}
.page-contact .letter-field dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(18, 23, 31, 0.82);
}

.page-contact .anomaly-figure {
  margin: clamp(24px, 3vw, 34px) 0 0;
}
.page-contact .anomaly-figure .media-frame {
  aspect-ratio: 8 / 5;
  background: var(--paper-2);
  border: 1px solid var(--contact-line);
}
.page-contact .anomaly-figure img,
.page-contact .hours-figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}
.page-contact .media-caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(18, 23, 31, 0.58);
}

/* 合作与内容建议 */
.page-contact .contact-coop {
  padding: clamp(34px, 5vw, 72px) 0;
  background: var(--paper-2);
}
.page-contact .coop-head {
  max-width: var(--contact-measure);
  margin-bottom: clamp(24px, 3vw, 34px);
}
.page-contact .coop-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--contact-line);
  border: 1px solid var(--contact-line);
}
.page-contact .coop-cell {
  padding: clamp(22px, 3vw, 36px);
  background: var(--paper);
}
.page-contact .coop-cell-title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--blue);
}
.page-contact .coop-cell-text {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(18, 23, 31, 0.78);
}
.page-contact .coop-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .coop-list li {
  position: relative;
  padding: 8px 0 8px 20px;
  border-top: 1px solid var(--contact-line-soft);
  font-size: 15px;
  line-height: 1.7;
  color: rgba(18, 23, 31, 0.72);
}
.page-contact .coop-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 10px;
  height: 2px;
  background: var(--green);
}

/* 服务时间 */
.page-contact .contact-hours {
  padding: clamp(38px, 5.6vw, 84px) 0;
}
.page-contact .hours-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 50px);
  align-items: start;
}
.page-contact .hours-lede {
  max-width: 34ch;
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(18, 23, 31, 0.74);
}
.page-contact .hours-list {
  margin: 0;
}
.page-contact .hours-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid var(--contact-line);
}
.page-contact .hours-row:last-child {
  border-bottom: 1px solid var(--contact-line);
}
.page-contact .hours-row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--blue);
}
.page-contact .hours-row dd {
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
  color: rgba(18, 23, 31, 0.82);
}
.page-contact .hours-num {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--orange);
}
.page-contact .hours-figure {
  margin: 0;
}
.page-contact .hours-figure .media-frame {
  aspect-ratio: 2 / 1;
  background: var(--paper-2);
  border: 1px solid var(--contact-line);
  border-top: 3px solid var(--blue);
}

/* 地址与来访 */
.page-contact .contact-visit {
  padding: 0 0 clamp(38px, 5vw, 76px);
}
.page-contact .visit-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.4vw, 30px);
  padding-top: clamp(30px, 4vw, 52px);
  border-top: 2px solid var(--blue);
}
.page-contact .visit-head .sec-title {
  margin-bottom: 0;
}
.page-contact .visit-addr {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.2vw, 25px);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.005em;
  color: var(--ink);
}
.page-contact .visit-text {
  max-width: 56ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(18, 23, 31, 0.76);
}

/* 长条链接 */
.page-contact .bridge-wrap {
  padding-bottom: clamp(40px, 6vw, 84px);
}
.page-contact .contact-bridge {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: clamp(22px, 3vw, 34px) clamp(20px, 3vw, 40px);
  background: var(--blue);
  color: var(--paper);
  text-decoration: none;
  transition: background-color 180ms var(--ease);
}
.page-contact .contact-bridge:hover,
.page-contact .contact-bridge:focus-visible {
  background: var(--orange);
}
.page-contact .bridge-text {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 62ch;
}
.page-contact .bridge-title {
  font-family: var(--font-display);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
  line-height: 1.4;
}
.page-contact .bridge-desc {
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-soft);
}
.page-contact .bridge-arrow {
  flex: none;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

/* 移动端优先 → 宽屏排布 */
@media (min-width: 720px) {
  .page-contact .hero-quick {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-contact .coop-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-contact .letter-field {
    grid-template-columns: 168px 1fr;
    gap: 6px 20px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-contact .hours-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: clamp(36px, 4.6vw, 64px);
  }
  .page-contact .visit-inner {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: clamp(24px, 3.4vw, 48px);
  }
}

@media (min-width: 960px) {
  .page-contact .core-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 0;
    align-items: start;
  }
  .page-contact .core-left {
    padding-right: clamp(30px, 3.8vw, 60px);
    padding-bottom: 0;
    border-right: 1px solid var(--contact-line);
    border-bottom: none;
  }
  .page-contact .core-right {
    padding-left: clamp(30px, 3.8vw, 60px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }
}
</main>