.page-contact {
  --pc-gap: clamp(18px, 3vw, 40px);
  --pc-hair: rgba(157, 179, 166, 0.16);
  --pc-hair-soft: rgba(157, 179, 166, 0.09);
  --pc-hair-cyan: rgba(95, 242, 200, 0.36);
  background: var(--ink);
  color: var(--ivory);
  padding-block: clamp(16px, 2.5vw, 28px) clamp(48px, 8vw, 96px);
  overflow-x: hidden;
}

.page-contact .sd-crumbs {
  padding-bottom: clamp(12px, 2vw, 20px);
}

.page-contact h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  line-height: 1.28;
  letter-spacing: -0.01em;
  font-weight: 700;
}

.page-contact .pc-lead {
  margin: 12px 0 0;
  max-width: 52ch;
  color: var(--sage);
  font-size: 15px;
  line-height: 1.75;
}

.page-contact .pc-section {
  margin-top: clamp(44px, 7vw, 88px);
}

/* 首屏 */
.page-contact .pc-hero {
  display: grid;
  gap: var(--pc-gap);
  padding-block: clamp(20px, 4vw, 40px) clamp(28px, 5vw, 56px);
  border-bottom: 1px solid var(--pc-hair);
}

.page-contact .pc-hero__lede {
  position: relative;
  padding-left: clamp(14px, 2.4vw, 26px);
  border-left: 1px solid var(--pc-hair-cyan);
}

.page-contact .pc-hero__lede::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 0;
  width: 1px;
  height: clamp(48px, 12vw, 96px);
  background: linear-gradient(180deg, var(--cyan), transparent);
}

.page-contact .pc-hero h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4.6vw, 3.3rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  font-weight: 700;
  max-width: 16ch;
}

.page-contact .pc-hero__text {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 46ch;
  color: var(--sage);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
}

.page-contact .pc-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(18px, 3vw, 28px);
}

.page-contact .pc-hero__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--sage);
  max-width: 42ch;
}

/* 联系渠道面板 */
.page-contact .pc-board {
  position: relative;
  background: var(--graphite);
  border: 1px solid var(--pc-hair);
  padding: clamp(14px, 2.4vw, 24px);
}

.page-contact .pc-board::before {
  content: "";
  position: absolute;
  left: -1px;
  top: -1px;
  width: 64px;
  height: 2px;
  background: var(--cyan);
}

.page-contact .pc-board__shot {
  margin-bottom: clamp(12px, 2vw, 20px);
  overflow: hidden;
  border: 1px solid var(--pc-hair-soft);
  background: var(--mineral);
}

.page-contact .pc-board__shot img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .pc-channel {
  display: grid;
  gap: 6px;
  padding-block: clamp(10px, 1.8vw, 16px);
  border-top: 1px dashed var(--pc-hair-soft);
}

.page-contact .pc-channel:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .pc-channel__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-contact .pc-channel__name {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--sage);
}

.page-contact .pc-channel__flag {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink);
  background: var(--cyan);
  padding: 2px 8px;
}

.page-contact .pc-channel__value {
  margin: 0;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(15px, 2.2vw, 19px);
  line-height: 1.4;
  color: var(--ivory);
  word-break: break-all;
}

.page-contact .pc-channel--time .pc-channel__value {
  color: var(--clay);
}

.page-contact .pc-channel__acts {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
}

.page-contact .pc-channel__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--sage);
}

/* 咨询前准备 */
.page-contact .pc-prep {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
}

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

.page-contact .pc-prep__list > li {
  position: relative;
  padding: clamp(14px, 2vw, 20px) 0 clamp(14px, 2vw, 20px) clamp(38px, 6vw, 56px);
  border-top: 1px solid var(--pc-hair);
}

.page-contact .pc-prep__list > li:last-child {
  border-bottom: 1px solid var(--pc-hair);
}

.page-contact .pc-prep__k {
  position: absolute;
  left: 0;
  top: clamp(16px, 2vw, 22px);
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-contact .pc-prep__list h3 {
  margin: 0 0 6px;
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.5;
  font-weight: 600;
}

.page-contact .pc-prep__list p {
  margin: 0;
  color: var(--sage);
  font-size: 14px;
  line-height: 1.75;
}

/* 咨询类型分段切换 */
.page-contact .pc-topics-wrap > header {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-contact .pc-topics {
  display: grid;
  gap: clamp(16px, 2.4vw, 28px);
}

.page-contact .pc-topics__r {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .pc-topics__labels {
  display: grid;
  gap: 8px;
}

.page-contact .pc-topics__labels label {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 10px 14px;
  border: 1px solid var(--pc-hair);
  border-left: 2px solid var(--pc-hair-soft);
  background: transparent;
  color: var(--sage);
  font-size: 14px;
  line-height: 1.4;
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-contact .pc-topics__labels label:hover {
  border-color: var(--pc-hair-cyan);
  color: var(--ivory);
}

.page-contact #pc-t1:checked ~ .pc-topics__labels label[for="pc-t1"],
.page-contact #pc-t2:checked ~ .pc-topics__labels label[for="pc-t2"],
.page-contact #pc-t3:checked ~ .pc-topics__labels label[for="pc-t3"],
.page-contact #pc-t4:checked ~ .pc-topics__labels label[for="pc-t4"] {
  background: var(--deep-green);
  border-color: var(--pc-hair-cyan);
  border-left-color: var(--cyan);
  color: var(--ivory);
}

.page-contact #pc-t1:focus-visible ~ .pc-topics__labels label[for="pc-t1"],
.page-contact #pc-t2:focus-visible ~ .pc-topics__labels label[for="pc-t2"],
.page-contact #pc-t3:focus-visible ~ .pc-topics__labels label[for="pc-t3"],
.page-contact #pc-t4:focus-visible ~ .pc-topics__labels label[for="pc-t4"] {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .pc-topics__panels {
  position: relative;
  background: var(--graphite);
  border: 1px solid var(--pc-hair);
  padding: clamp(16px, 2.6vw, 30px);
  min-height: 240px;
}

.page-contact .pc-topics__panels::before {
  content: "";
  position: absolute;
  right: 12px;
  top: 12px;
  width: 34px;
  height: 2px;
  background: var(--pc-hair-cyan);
}

.page-contact .pc-topic {
  display: none;
}

.page-contact #pc-t1:checked ~ .pc-topics__panels .pc-topic:nth-child(1),
.page-contact #pc-t2:checked ~ .pc-topics__panels .pc-topic:nth-child(2),
.page-contact #pc-t3:checked ~ .pc-topics__panels .pc-topic:nth-child(3),
.page-contact #pc-t4:checked ~ .pc-topics__panels .pc-topic:nth-child(4) {
  display: block;
}

.page-contact .pc-topic h3 {
  margin: 0 0 10px;
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  line-height: 1.4;
  font-weight: 700;
}

.page-contact .pc-topic p {
  margin: 0;
  color: var(--sage);
  font-size: 15px;
  line-height: 1.75;
}

.page-contact .pc-topic ul {
  list-style: none;
  margin: clamp(14px, 2vw, 20px) 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .pc-topic li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ivory);
}

.page-contact .pc-topic li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

.page-contact .pc-topic a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 回复节奏 */
.page-contact .pc-flow__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-contact .pc-steps {
  list-style: none;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  position: relative;
}

.page-contact .pc-steps::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: 14px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), var(--moss));
}

.page-contact .pc-step {
  position: relative;
  padding: 0 0 clamp(20px, 3vw, 28px) clamp(30px, 4vw, 44px);
}

.page-contact .pc-step:last-child {
  padding-bottom: 0;
}

.page-contact .pc-step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 15px;
  height: 15px;
  border: 1px solid var(--cyan);
  background: var(--ink);
  border-radius: 50%;
}

.page-contact .pc-step h3 {
  margin: 0 0 6px;
  font-family: var(--font-num);
  font-size: 15px;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: var(--cyan);
}

.page-contact .pc-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ivory);
}

.page-contact .pc-step__more {
  margin-top: 8px;
  border-left: 1px solid var(--pc-hair);
  padding-left: 12px;
}

.page-contact .pc-step__more summary {
  cursor: pointer;
  font-size: 13px;
  color: var(--sage);
  min-height: 32px;
  display: flex;
  align-items: center;
}

.page-contact .pc-step__more summary:hover {
  color: var(--cyan);
}

.page-contact .pc-step__more summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .pc-step__more p {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--sage);
}

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

.page-contact .pc-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .pc-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--sage);
  border-left: 2px solid var(--moss);
  padding-left: 10px;
}

/* 地址与备案 */
.page-contact .pc-where__inner {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  padding-bottom: clamp(24px, 4vw, 40px);
  border-bottom: 1px solid var(--pc-hair);
}

.page-contact .pc-where__list {
  margin: 0;
  display: grid;
  gap: 0;
  align-content: start;
}

.page-contact .pc-where__row {
  display: grid;
  gap: 4px;
  padding-block: clamp(10px, 1.6vw, 14px);
  border-top: 1px solid var(--pc-hair-soft);
}

.page-contact .pc-where__row:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .pc-where__row dt {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--sage);
}

.page-contact .pc-where__row dd {
  margin: 0;
  font-size: clamp(14px, 1.7vw, 16px);
  line-height: 1.6;
  color: var(--ivory);
  word-break: break-all;
}

.page-contact .pc-more {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px 20px;
  padding-top: clamp(18px, 3vw, 28px);
}

.page-contact .pc-more__text {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--sage);
}

.page-contact .pc-more__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
}

.page-contact .pc-more__links a {
  color: var(--ivory);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid var(--pc-hair-cyan);
  padding-bottom: 2px;
}

.page-contact .pc-more__links a:hover,
.page-contact .pc-more__links a:focus-visible {
  color: var(--cyan);
}

.page-contact .pc-more__links a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

@media (min-width: 620px) {
  .page-contact .pc-topics__labels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .pc-prep {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: start;
  }

  .page-contact .pc-topics {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: start;
  }

  .page-contact .pc-topics__labels {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-contact .pc-flow__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .pc-where__inner {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-contact .pc-hero {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-topics__labels label {
    transition: none;
  }
}