.page-contact {
  --pc-cool-soft: rgba(95, 168, 191, 0.10);
  --pc-gold-soft: rgba(240, 169, 60, 0.12);
  background: var(--c-canvas);
  overflow-x: hidden;
}

/* 面包屑 */
.page-contact .contact-crumb {
  padding-top: 22px;
}
.page-contact .crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-clay);
}
.page-contact .crumb a {
  color: var(--c-slate);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.page-contact .crumb a:hover {
  color: var(--c-cyan);
  border-bottom-color: var(--c-cyan);
}
.page-contact .crumb__sep {
  color: var(--c-grid);
}

/* 首屏 */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-top: 30px;
}
.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  z-index: 0;
  top: -20px;
  right: -14%;
  width: 68%;
  height: 300px;
  background: linear-gradient(120deg, var(--c-orange) 0%, var(--c-orange-deep) 100%);
  clip-path: polygon(24% 0, 100% 0, 100% 100%, 0 100%);
  opacity: 0.10;
  pointer-events: none;
}
.page-contact .contact-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 34px;
}
.page-contact .contact-hero__kicker {
  margin: 0 0 18px;
  padding-left: 10px;
  border-left: 3px solid var(--c-orange);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--c-clay);
}
.page-contact .contact-hero__title {
  margin: 0 0 20px;
  font-size: clamp(34px, 7vw, 62px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--c-ink);
}
.page-contact .contact-hero__title span {
  color: var(--c-orange);
}
.page-contact .contact-hero__lead {
  max-width: 46ch;
  margin: 0 0 26px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--c-slate);
}
.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-contact .contact-hero__media {
  margin: 0;
}
.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-contact .media__cap {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--c-slate);
}

/* 联系方式 + 信息格式 */
.page-contact .contact-channels__grid {
  display: grid;
  gap: 36px;
}
.page-contact .ccard-stack {
  display: grid;
  gap: 14px;
}
.page-contact .ccard {
  position: relative;
  padding: 20px 22px 18px 26px;
  background: var(--c-paper);
  border: 1px solid var(--c-grid);
  border-right: 0;
}
.page-contact .ccard::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  background: var(--c-orange);
}
.page-contact .ccard--phone::before {
  background: var(--c-cyan);
}
.page-contact .ccard--visit::before {
  background: var(--c-clay);
}
.page-contact .ccard__label {
  margin: 0 0 8px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--c-clay);
}
.page-contact .ccard__value {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(16px, 3.8vw, 21px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--c-ink);
  word-break: break-word;
}
.page-contact .ccard__value--addr {
  font-size: clamp(14px, 2.8vw, 16.5px);
  font-weight: 600;
  line-height: 1.6;
}
.page-contact .ccard__desc {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--c-slate);
}
.page-contact .ccard__foot {
  margin: 0;
  padding-top: 10px;
  border-top: 1px solid var(--c-grid);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--c-moss);
}

.page-contact .cformat {
  padding-top: 22px;
  border-top: 2px solid var(--c-ink);
}
.page-contact .cformat__title {
  margin: 0 0 10px;
  font-size: clamp(22px, 4.2vw, 30px);
  font-weight: 900;
  letter-spacing: -0.015em;
  color: var(--c-ink);
}
.page-contact .cformat__lead {
  margin: 0 0 20px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-slate);
}
.page-contact .flist {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-contact .flist__item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--c-grid);
}
.page-contact .flist__item:last-child {
  border-bottom: 1px solid var(--c-grid);
}
.page-contact .flist__idx {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--c-cyan);
}
.page-contact .flist__title {
  margin: 0 0 5px;
  font-size: 15.5px;
  font-weight: 800;
  color: var(--c-ink);
}
.page-contact .flist__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-slate);
}
.page-contact .cformat__tip {
  margin: 16px 0 0;
  padding-left: 12px;
  border-left: 3px solid var(--c-cyan);
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-clay);
}

/* 勘误 */
.page-contact .contact-erratum {
  border-top: 1px solid var(--c-grid);
  background: linear-gradient(180deg, var(--pc-cool-soft) 0%, rgba(95, 168, 191, 0) 100%);
}
.page-contact .contact-erratum__grid {
  display: grid;
  gap: 30px;
}
.page-contact .erratum-brief > p {
  max-width: 46ch;
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-slate);
}
.page-contact .erratum-need {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-contact .erratum-need li {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--c-grid);
  font-size: 14px;
  line-height: 1.65;
  color: var(--c-slate);
}
.page-contact .erratum-need li:first-child {
  border-top: 1px solid var(--c-grid);
}
.page-contact .erratum-need span {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--c-cool);
}
.page-contact .erratum-sla {
  padding: 22px 22px 24px;
  background: var(--c-paper);
  border-left: 4px solid var(--c-cool);
}
.page-contact .erratum-sla__row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--c-grid);
}
.page-contact .erratum-sla__figure {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 0;
}
.page-contact .erratum-sla__n {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--c-cool);
  font-variant-numeric: tabular-nums;
}
.page-contact .erratum-sla__u {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--c-ink);
}
.page-contact .erratum-sla__d {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--c-slate);
}
.page-contact .erratum-sla__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-slate);
}

/* 合作 */
.page-contact .partner-grid {
  gap: 26px;
}
.page-contact .ptile {
  padding-top: 16px;
  border-top: 2px solid var(--c-ink);
}
.page-contact .ptile h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}
.page-contact .ptile p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-slate);
}
.page-contact .partner-how {
  margin: 30px 0 0;
  padding: 16px 18px;
  background: var(--pc-gold-soft);
  border-left: 4px solid var(--c-gold);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-slate);
}
.page-contact .partner-how .num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--c-ink);
  word-break: break-word;
}

/* 川地底带 */
.page-contact .contact-region {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--c-ink);
  color: var(--c-canvas);
}
.page-contact .contact-region__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  margin: 0;
  pointer-events: none;
}
.page-contact .contact-region__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.26;
}
.page-contact .contact-region__inner {
  position: relative;
  z-index: 1;
  padding-top: 56px;
  padding-bottom: 60px;
}
.page-contact .contact-region__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--c-cyan);
}
.page-contact .contact-region__title {
  margin: 0 0 14px;
  font-size: clamp(24px, 4.6vw, 38px);
  font-weight: 900;
  letter-spacing: -0.015em;
  color: #ffffff;
}
.page-contact .contact-region__text {
  max-width: 62ch;
  margin: 0 0 28px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(247, 242, 230, 0.78);
}
.page-contact .contact-region__facts {
  display: grid;
  gap: 18px;
  margin: 0;
  padding-top: 24px;
  border-top: 1px solid rgba(198, 208, 214, 0.24);
}
.page-contact .contact-region__facts > div {
  min-width: 0;
}
.page-contact .contact-region__facts dt {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--c-cool);
}
.page-contact .contact-region__facts dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(247, 242, 230, 0.92);
}

/* 桌面与平板 */
@media (min-width: 760px) {
  .page-contact .contact-region__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 32px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 56px;
    align-items: center;
  }
  .page-contact .contact-erratum__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
    gap: 56px;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: 56px;
    align-items: start;
  }
  .page-contact .ccard:nth-child(2) {
    margin-left: 22px;
  }
  .page-contact .ccard:nth-child(3) {
    margin-left: 44px;
  }
  .page-contact .contact-hero {
    padding-top: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ccard,
  .page-contact .contact-hero__media {
    transition: none;
  }
}
</main>