.page-contact {
  --pc-gap: clamp(16px, 3vw, 26px);
  --pc-border: 2px solid var(--line);
  --pc-border-soft: 2px solid var(--line-soft);
  background: var(--royal-deep);
  color: var(--warm-white);
  overflow-x: hidden;
}

.page-contact .royal-container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  padding-block: clamp(20px, 4vw, 36px) clamp(28px, 5vw, 48px);
}

.page-contact .royal-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--muted);
  margin-bottom: clamp(14px, 2.4vw, 22px);
}

.page-contact .royal-breadcrumb a {
  color: var(--champagne-light);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 1px;
}

.page-contact .royal-breadcrumb a:hover,
.page-contact .royal-breadcrumb a:focus-visible {
  color: var(--amber);
  border-color: var(--amber);
}

.page-contact .pc-hero__layout {
  display: grid;
  gap: var(--pc-gap);
  grid-template-columns: 1fr;
}

.page-contact .pc-hero__frame {
  position: relative;
  border: var(--pc-border);
  box-shadow: var(--shadow-hard);
  background: linear-gradient(155deg, var(--royal-core) 0%, var(--royal-deep) 78%);
  padding: clamp(22px, 4vw, 40px);
}

.page-contact .pc-hero__frame::before {
  content: "";
  position: absolute;
  top: 0;
  left: clamp(22px, 4vw, 40px);
  width: 76px;
  height: 4px;
  background: var(--champagne);
}

.page-contact .pc-hero__title {
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(1.9rem, 5.4vw, 3.2rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
  margin: 10px 0 16px;
  color: var(--warm-white);
  max-width: 18ch;
}

.page-contact .pc-hero__lead {
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--muted);
  max-width: 52ch;
  margin: 0 0 22px;
}

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

.page-contact .pc-toc a {
  display: inline-block;
  padding: 7px 14px;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--champagne-light);
  text-decoration: none;
  border: 1px solid var(--line);
  background: rgba(201, 168, 106, .07);
}

.page-contact .pc-toc a:hover,
.page-contact .pc-toc a:focus-visible,
.page-contact .pc-toc a.is-active {
  color: var(--royal-deep);
  background: var(--amber);
  border-color: var(--amber);
}

.page-contact .pc-hero__media {
  margin: 0;
  border: var(--pc-border);
  box-shadow: var(--shadow-hard);
  background: var(--royal-core);
}

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

.page-contact .royal-media__caption {
  padding: 10px 16px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
  border-top: 1px solid var(--line-soft);
}

/* ---------- 章节标题 ---------- */
.page-contact .pc-sec-head {
  margin-bottom: clamp(20px, 3.6vw, 34px);
  max-width: 62ch;
}

.page-contact .royal-eyebrow {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--champagne);
  margin: 0 0 10px;
}

.page-contact .pc-sec-head__title {
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.4vw, 2rem);
  line-height: 1.3;
  margin: 0 0 12px;
  color: var(--warm-white);
}

.page-contact .pc-sec-head__lead {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  margin: 0;
}

/* ---------- 联系卡片 ---------- */
.page-contact .pc-channels {
  padding-block: clamp(28px, 5vw, 52px);
}

.page-contact .pc-channels__grid {
  display: grid;
  gap: var(--pc-gap);
  grid-template-columns: 1fr;
}

.page-contact .pc-channel {
  border: var(--pc-border);
  background: var(--royal-core);
  box-shadow: var(--shadow-hard);
  padding: clamp(20px, 3vw, 28px);
  transition: border-color .22s ease, box-shadow .22s ease;
}

.page-contact .pc-channel:hover {
  border-color: var(--amber);
  box-shadow: 6px 8px 0 rgba(224, 138, 46, .36);
}

.page-contact .pc-tag {
  display: inline-block;
  padding: 5px 12px;
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--royal-deep);
  background: var(--amber);
  border-radius: 999px;
  margin-bottom: 14px;
  font-weight: 600;
}

.page-contact .royal-card__title {
  font-family: var(--font-serif);
  font-size: 1.28rem;
  font-weight: 700;
  margin: 0 0 10px;
  color: var(--warm-white);
}

.page-contact .pc-channel__value {
  font-family: var(--font-num);
  font-size: clamp(1rem, 2.4vw, 1.24rem);
  font-weight: 800;
  line-height: 1.5;
  color: var(--champagne-light);
  margin: 0 0 14px;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .pc-channel__value--num {
  font-size: clamp(1.5rem, 4vw, 2rem);
  letter-spacing: .02em;
}

.page-contact .royal-card__text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  margin: 0 0 14px;
}

.page-contact .royal-card__meta {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--slate);
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-soft);
}

.page-contact .pc-channel__split {
  display: grid;
  gap: clamp(16px, 3vw, 28px);
  grid-template-columns: 1fr;
  align-items: start;
}

.page-contact .pc-channel__map {
  margin: 0;
  border: 1px solid var(--line-soft);
  background: var(--royal-deep);
}

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

/* ---------- 回复节奏 ---------- */
.page-contact .pc-rhythm {
  padding-block: clamp(24px, 4vw, 48px);
}

.page-contact .pc-rhythm__panel {
  background: var(--warm-white);
  color: var(--ink);
  border: var(--pc-border);
  box-shadow: var(--shadow-hard-ink);
  padding: clamp(22px, 4vw, 40px);
  display: grid;
  gap: clamp(18px, 3vw, 34px);
  grid-template-columns: 1fr;
}

.page-contact .pc-rhythm__panel .royal-eyebrow {
  color: var(--gold-deep);
}

.page-contact .pc-rhythm__panel .pc-sec-head__title {
  color: var(--ink);
}

.page-contact .pc-rhythm__lead {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted-ink);
  margin: 0;
  max-width: 46ch;
}

.page-contact .pc-rhythm__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .pc-rhythm__list li {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 14px;
  align-items: baseline;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(11, 30, 75, .12);
}

.page-contact .pc-rhythm__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .pc-rhythm__num {
  font-family: var(--font-num);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--royal-core);
  letter-spacing: .02em;
}

.page-contact .pc-rhythm__text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

/* ---------- 处理路径 ---------- */
.page-contact .pc-path-block {
  padding-block: clamp(28px, 5vw, 52px);
}

.page-contact .pc-path {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(26px, 3.4vw, 26px);
  grid-template-columns: 1fr;
}

.page-contact .pc-step {
  position: relative;
  border: var(--pc-border-soft);
  border-top-color: var(--champagne);
  background: rgba(22, 53, 127, .55);
  padding: calc(clamp(24px, 3vw, 30px)) clamp(18px, 2.6vw, 24px) clamp(20px, 2.6vw, 26px);
  transition: border-color .22s ease, background .22s ease, box-shadow .22s ease;
}

.page-contact .pc-step:hover,
.page-contact .pc-step:focus-within {
  border-color: var(--amber);
  border-top-color: var(--amber);
  background: rgba(22, 53, 127, .85);
  box-shadow: var(--shadow-hard);
}

.page-contact .pc-step__num {
  position: absolute;
  top: -17px;
  left: clamp(18px, 2.6vw, 24px);
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--champagne);
  color: var(--royal-deep);
  font-family: var(--font-num);
  font-weight: 800;
  font-size: .92rem;
  border: 2px solid var(--royal-deep);
}

.page-contact .pc-step:hover .pc-step__num {
  background: var(--amber);
}

.page-contact .pc-step__title {
  font-family: var(--font-serif);
  font-size: 1.12rem;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--champagne-light);
}

.page-contact .pc-step__text {
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
  margin: 0;
}

/* ---------- 反馈分类 ---------- */
.page-contact .pc-topics-block {
  padding-block: clamp(24px, 4vw, 48px);
}

.page-contact .pc-topics {
  display: grid;
  gap: 12px;
}

.page-contact .pc-topic {
  border: var(--pc-border-soft);
  border-left: 4px solid var(--line-soft);
  background: rgba(11, 30, 75, .6);
  transition: border-color .22s ease, background .22s ease;
}

.page-contact .pc-topic:hover {
  border-color: var(--champagne);
}

.page-contact .pc-topic[open] {
  border-left-color: var(--amber);
  background: rgba(22, 53, 127, .82);
}

.page-contact .pc-topic summary {
  list-style: none;
  cursor: pointer;
  padding: 16px clamp(16px, 2.4vw, 24px);
  font-family: var(--font-serif);
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--warm-white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

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

.page-contact .pc-topic summary::after {
  content: "+";
  font-family: var(--font-num);
  font-size: 1.3rem;
  color: var(--champagne);
  line-height: 1;
}

.page-contact .pc-topic[open] summary::after {
  content: "–";
  color: var(--amber);
}

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

.page-contact .pc-topic__body {
  padding: 0 clamp(16px, 2.4vw, 24px) 18px;
}

.page-contact .pc-topic__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 74ch;
}

/* ---------- 回跳 ---------- */
.page-contact .pc-next-block {
  padding-block: clamp(24px, 4vw, 56px) clamp(36px, 6vw, 72px);
}

.page-contact .pc-next {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

.page-contact .pc-next__card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: clamp(18px, 2.6vw, 24px) clamp(18px, 3vw, 28px);
  border: var(--pc-border);
  background: linear-gradient(120deg, var(--royal-core), var(--royal-deep));
  box-shadow: var(--shadow-hard);
  text-decoration: none;
  color: var(--warm-white);
  transition: border-color .22s ease, transform .22s ease;
}

.page-contact .pc-next__card:hover,
.page-contact .pc-next__card:focus-visible {
  border-color: var(--amber);
  transform: translateY(-3px);
}

.page-contact .pc-next__body {
  display: block;
}

.page-contact .pc-next__title {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.14rem;
  font-weight: 700;
  color: var(--champagne-light);
  margin-bottom: 6px;
}

.page-contact .pc-next__text {
  display: block;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
  max-width: 46ch;
}

.page-contact .pc-next__arrow {
  flex: none;
  font-family: var(--font-num);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--champagne);
}

.page-contact .pc-next__card:hover .pc-next__arrow {
  color: var(--amber);
}

/* ---------- 显现 ---------- */
.page-contact [data-reveal] {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .28s ease, transform .28s ease;
}

.page-contact [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-contact [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

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

/* ---------- 平板与桌面 ---------- */
@media (min-width: 760px) {
  .page-contact .pc-next {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-contact .pc-rhythm__panel {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-hero__layout {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: stretch;
  }

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

  .page-contact .pc-channel--address {
    grid-column: 1 / -1;
  }

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

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

@media (max-width: 560px) {
  .page-contact .pc-rhythm__list li {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .page-contact .pc-channel__value {
    font-size: 1rem;
  }
}