.page-contact {
  --pc-amber-line: rgba(242, 178, 51, 0.42);
  --pc-panel-soft: #101A2C;
  padding-bottom: clamp(72px, 11vw, 140px);
}

.page-contact .pc-section {
  padding-top: clamp(56px, 9vw, 108px);
}

.page-contact .pc-head {
  max-width: 64ch;
  margin-bottom: clamp(24px, 3.4vw, 38px);
}

.page-contact .pc-head__text {
  margin: 12px 0 0;
  color: var(--ink-dim);
  font-size: 16px;
  line-height: 1.8;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  display: grid;
  gap: clamp(28px, 5vw, 44px);
  padding-top: clamp(18px, 3vw, 32px);
}

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

.page-contact .pc-hero__copy .lede {
  max-width: 58ch;
}

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

.page-contact .pc-card {
  position: relative;
  margin-top: clamp(26px, 4vw, 38px);
  padding: 26px clamp(18px, 3.4vw, 34px) 20px;
  background: var(--panel);
  border: 1px solid var(--pc-amber-line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-contact .pc-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 148px;
  height: 3px;
  background: var(--grad-amber);
}

.page-contact .pc-card__title {
  margin: 0 0 6px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-contact .pc-row {
  display: grid;
  gap: 6px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .pc-row:last-child {
  border-bottom: 0;
  padding-bottom: 6px;
}

.page-contact .pc-row__k {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-dim);
}

.page-contact .pc-row__v {
  font-size: clamp(16px, 4.4vw, 22px);
  line-height: 1.35;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .pc-row__v--mail {
  font-size: clamp(14px, 3.9vw, 19px);
  color: var(--mint);
}

.page-contact .pc-row__v--text {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
}

/* ---------- 回复节奏 ---------- */
.page-contact .pc-hours {
  display: grid;
  gap: 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-hours__item {
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-contact .pc-hours__item--now {
  border-top: 1px solid transparent;
  border-image: var(--grad-cyan) 1;
}

.page-contact .pc-hours__time {
  display: block;
  font-size: 20px;
  color: var(--cyan);
}

.page-contact .pc-hours__item--now .pc-hours__time {
  color: var(--orange);
}

.page-contact .pc-hours__item p {
  margin: 10px 0 0;
  color: var(--ink-dim);
  font-size: 15px;
  line-height: 1.75;
}

.page-contact .pc-tip {
  margin: clamp(28px, 4vw, 40px) 0 0;
  padding: 16px 18px;
  background: var(--pc-panel-soft);
  border-left: 3px solid var(--cyan);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  color: var(--ink-dim);
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 反馈要点 ---------- */
.page-contact .pc-steps {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-step {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 18px 16px;
  background: var(--panel);
  border-radius: var(--r-md);
  transition: background-color 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-contact .pc-step:hover {
  background: var(--panel-2);
  transform: translateY(-2px);
}

.page-contact .pc-step__idx {
  font-size: 20px;
  line-height: 1.2;
  color: var(--cyan);
}

.page-contact .pc-step__body h3 {
  margin: 0 0 6px;
}

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

/* ---------- 合作沟通 ---------- */
.page-contact .pc-partners {
  display: grid;
  gap: clamp(28px, 5vw, 44px);
}

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

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

.page-contact .pc-partner-list {
  display: grid;
  gap: 18px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-partner {
  padding-left: 18px;
  border-left: 2px solid var(--line);
}

.page-contact .pc-partner:hover {
  border-left-color: var(--orange);
}

.page-contact .pc-partner h3 {
  margin: 0 0 6px;
  color: var(--ink);
}

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

.page-contact .pc-partner-note {
  margin: 24px 0 0;
  font-family: var(--font-num);
  font-size: 13px;
  line-height: 1.9;
  letter-spacing: 0.02em;
  color: var(--ink-dim);
}

/* ---------- 常见反馈类型 ---------- */
.page-contact .pc-faq {
  border-top: 1px solid var(--line);
}

.page-contact .pc-faq__item {
  border-bottom: 1px solid var(--line);
}

.page-contact .pc-faq__q {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  font-size: 17px;
  font-weight: 500;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

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

.page-contact .pc-faq__q::after {
  content: "+";
  flex: none;
  font-family: var(--font-num);
  font-size: 18px;
  color: var(--cyan);
}

.page-contact .pc-faq__item[open] .pc-faq__q::after {
  content: "\2212";
  color: var(--amber);
}

.page-contact .pc-faq__a {
  max-width: 68ch;
  padding: 0 0 22px;
  color: var(--ink-dim);
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 信息使用 ---------- */
.page-contact .pc-note {
  padding: clamp(24px, 4vw, 40px);
  background: var(--pc-panel-soft);
  border-radius: var(--r-lg);
}

.page-contact .pc-note h2 {
  margin: 10px 0 16px;
}

.page-contact .pc-note p {
  max-width: 68ch;
  margin: 0 0 14px;
  color: var(--ink-dim);
  font-size: 15px;
  line-height: 1.85;
}

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

.page-contact .pc-note a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(111, 243, 228, 0.4);
}

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

/* ---------- 页尾细线时间轴 ---------- */
.page-contact .pc-rail {
  position: relative;
  margin-top: clamp(64px, 10vw, 120px);
  padding-top: 30px;
}

.page-contact .pc-rail::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line) 10%, var(--line) 90%, transparent);
}

.page-contact .pc-rail__title {
  margin: 0 0 14px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.page-contact .pc-rail__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 30px;
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.page-contact .pc-rail__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 0;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-contact .pc-rail__dot {
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--muted);
  transform: translateY(-2px);
}

.page-contact .pc-rail__label {
  font-size: 16px;
  font-weight: 500;
}

.page-contact .pc-rail__meta {
  font-size: 13px;
  color: var(--ink-dim);
}

.page-contact .pc-rail__link:hover,
.page-contact .pc-rail__link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .pc-rail__link:hover .pc-rail__dot,
.page-contact .pc-rail__link:focus-visible .pc-rail__dot {
  background: var(--cyan);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .pc-hours {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 28px;
  }

  .page-contact .pc-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .pc-faq__q {
    font-size: 18px;
  }
}

@media (min-width: 960px) {
  .page-contact .pc-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
  }

  .page-contact .pc-hero__media {
    padding-top: 46px;
  }

  .page-contact .pc-partners {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
    align-items: center;
  }

  .page-contact .pc-hours {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1200px) {
  .page-contact .pc-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .pc-step {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
    padding: 22px 20px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-step,
  .page-contact .pc-rail__link {
    transition: none;
  }

  .page-contact .pc-step:hover {
    transform: none;
  }
}