/* ============================================================
   反馈与支持 /feedback/  —— 页面专属样式
   ============================================================ */

.page-contact {
  --pc-card-bg: var(--ink-700);
  --pc-panel-bg: var(--ink-800);
  --pc-soft: rgba(244, 241, 232, 0.78);
  --pc-soft-dim: rgba(244, 241, 232, 0.6);

  padding-top: calc(var(--header-h) + clamp(16px, 3.4vw, 40px));
  padding-bottom: clamp(48px, 8vw, 96px);
  background-image:
    radial-gradient(circle at 90% 1%, rgba(111, 179, 156, 0.13), transparent 40%),
    radial-gradient(circle at 2% 74%, rgba(217, 164, 65, 0.09), transparent 44%);
  background-repeat: no-repeat;
}

.page-contact h1,
.page-contact h2 {
  font-family: var(--font-display);
  color: var(--warm-100);
  margin: 0;
  letter-spacing: -0.015em;
}

.page-contact h1 {
  font-size: clamp(2.2rem, 6.6vw, 4.2rem);
  font-weight: 900;
  line-height: 0.99;
  margin: 14px 0 18px;
}

.page-contact h2 {
  font-size: clamp(1.5rem, 3.6vw, 2.35rem);
  font-weight: 800;
  line-height: 1.12;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  padding-top: clamp(14px, 2.4vw, 26px);
  margin-bottom: clamp(12px, 2vw, 20px);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  padding-bottom: clamp(26px, 4.2vw, 46px);
  border-bottom: 2px solid var(--line-600);
}

.page-contact .pc-hero__grid {
  align-items: start;
  row-gap: clamp(22px, 3.6vw, 34px);
}

.page-contact .pc-hero__lead {
  max-width: 46ch;
  margin: 0;
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  line-height: 1.88;
  color: var(--pc-soft);
}

.page-contact .pc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-contact .pc-hero__media {
  margin: 0;
  border: 2px solid var(--line-600);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-contact .pc-hero__media img,
.page-contact .pc-hours__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(1.05);
}

/* ---------- 章节通用 ---------- */
.page-contact .pc-section {
  padding-top: clamp(38px, 6vw, 68px);
}

.page-contact .section-head {
  max-width: 64ch;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-contact .section-head h2 {
  margin-top: 10px;
}

.page-contact .section-head p {
  margin: 12px 0 0;
  font-size: 0.97rem;
  line-height: 1.85;
  color: var(--pc-soft);
}

/* ---------- 联系渠道卡 ---------- */
.page-contact .pc-channels {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
}

.page-contact .pc-channel {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--pc-card-bg);
  border: 2px solid var(--line-600);
  box-shadow: var(--shadow-hard);
  transition:
    transform var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-contact .pc-channel:hover,
.page-contact .pc-channel:focus-within {
  transform: translate(-2px, -2px);
  border-color: var(--gold-500);
  box-shadow: var(--shadow-gold);
}

.page-contact .pc-channel .card__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--celadon-200);
}

.page-contact .pc-channel__value {
  margin: 0;
  font-size: clamp(0.95rem, 1.4vw, 1.06rem);
  line-height: 1.55;
  color: var(--gold-300);
  word-break: break-word;
}

.page-contact .pc-channel__value--plain {
  font-family: var(--font-body);
  font-size: 0.98rem;
  line-height: 1.72;
  color: var(--warm-100);
}

.page-contact .pc-channel__desc {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.82;
  color: var(--pc-soft);
}

.page-contact .pc-channel .btn {
  justify-self: start;
  margin-top: 4px;
}

/* ---------- 检查清单 ---------- */
.page-contact .pc-checklist {
  padding: clamp(20px, 2.6vw, 28px);
  background: var(--pc-panel-bg);
  border: 2px solid var(--line-600);
  border-top: 4px solid var(--gold-500);
  box-shadow: var(--shadow-hard);
}

.page-contact .pc-checklist__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
  font-weight: 800;
  line-height: 1.16;
  color: var(--warm-100);
}

.page-contact .pc-checklist__sub {
  margin: 8px 0 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--pc-soft-dim);
}

.page-contact .pc-checks {
  list-style: none;
  margin: clamp(16px, 2vw, 22px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .pc-check {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line-600);
}

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

.page-contact .pc-check__box {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1.5px solid var(--line-600);
  color: var(--celadon-200);
  font-size: 0.7rem;
  line-height: 1;
  letter-spacing: 0;
}

.page-contact .pc-check__text {
  font-size: 0.9rem;
  line-height: 1.74;
  color: var(--pc-soft);
}

/* ---------- 问题分类标签页 ---------- */
.page-contact .pc-classify {
  background: var(--pc-panel-bg);
  border: 2px solid var(--line-600);
  box-shadow: var(--shadow-hard);
}

.page-contact .pc-classify .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: clamp(14px, 2vw, 20px);
  background: var(--ink-900);
  border-bottom: 2px solid var(--line-600);
}

.page-contact .pc-classify .tabs__tab {
  font-family: var(--font-mono);
  font-size: 0.79rem;
  letter-spacing: 0.03em;
  padding: 9px 15px;
  color: var(--slate-400);
  background: transparent;
  border: 1.5px solid var(--line-600);
  cursor: pointer;
  transition:
    background var(--dur) var(--ease),
    color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-contact .pc-classify .tabs__tab:hover {
  color: var(--warm-100);
  border-color: var(--gold-500);
}

.page-contact .pc-classify .tabs__tab[aria-selected="true"] {
  background: var(--celadon-400);
  border-color: var(--celadon-400);
  color: var(--ink-900);
}

.page-contact .pc-classify .tabs__tab:focus-visible {
  outline: 2px solid var(--gold-500);
  outline-offset: 2px;
}

.page-contact .pc-panels {
  padding: clamp(18px, 2.6vw, 28px);
}

.page-contact .pc-panels [role="tabpanel"][hidden] {
  display: none;
}

.page-contact .pc-panel__lead {
  margin: 0 0 14px;
  font-size: 0.96rem;
  line-height: 1.84;
  color: var(--warm-100);
}

.page-contact .pc-need {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .pc-need li {
  position: relative;
  padding-left: 20px;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--pc-soft);
}

.page-contact .pc-need li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 8px;
  background: var(--celadon-400);
}

/* ---------- 服务时段 ---------- */
.page-contact .pc-hours__text {
  margin: 0 0 14px;
  font-size: 0.98rem;
  line-height: 1.88;
  color: var(--pc-soft);
}

.page-contact .pc-hours__text .mono {
  color: var(--gold-300);
  font-size: 0.94rem;
}

.page-contact .pc-hours__media {
  margin: clamp(18px, 3vw, 28px) 0 0;
  border: 2px solid var(--line-600);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-contact .pc-footnote {
  padding: clamp(16px, 2.2vw, 22px);
  background: var(--pc-card-bg);
  border: 2px solid var(--line-600);
  border-left: 4px solid var(--gold-500);
}

.page-contact .pc-footnote p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--pc-soft);
}

.page-contact .pc-footnote p + p {
  margin-top: 10px;
}

.page-contact .pc-footnote .mono {
  display: block;
  margin-bottom: 8px;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-300);
}

/* ---------- 备案与地址 ---------- */
.page-contact .pc-legal {
  margin-top: clamp(38px, 6vw, 68px);
  padding: clamp(20px, 2.8vw, 30px);
  background: var(--pc-panel-bg);
  border: 2px solid var(--line-600);
  border-top: 3px solid var(--gold-500);
}

.page-contact .pc-legal__title {
  font-size: clamp(1.15rem, 2.2vw, 1.5rem);
  font-weight: 800;
  margin: 0 0 clamp(16px, 2.4vw, 24px);
}

.page-contact .pc-legal__grid {
  display: grid;
  gap: clamp(18px, 2.6vw, 28px);
}

.page-contact .pc-legal__item {
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-contact .pc-legal__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate-400);
}

.page-contact .pc-legal__value {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--warm-100);
  word-break: break-word;
}

.page-contact .pc-legal__value.mono {
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
}

.page-contact .pc-legal__item .btn {
  justify-self: start;
  margin-top: 2px;
}

.page-contact .pc-legal__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
}

.page-contact .pc-legal__links a {
  font-size: 0.94rem;
  color: var(--gold-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 164, 65, 0.45);
  padding-bottom: 1px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .pc-legal__links a:hover,
.page-contact .pc-legal__links a:focus-visible {
  color: var(--gold-500);
  border-color: var(--gold-500);
}

.page-contact .pc-legal__divider {
  color: var(--line-600);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .pc-legal__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .pc-legal__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 1024px) {
  .page-contact {
    padding-top: calc(var(--header-h) + clamp(28px, 4vw, 56px));
  }

  .page-contact .pc-hero__grid {
    column-gap: clamp(24px, 3vw, 40px);
  }

  .page-contact .pc-checklist {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-contact .pc-channel__value {
    font-size: 1.06rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-channel,
  .page-contact .pc-classify .tabs__tab,
  .page-contact .pc-legal__links a {
    transition: none;
  }

  .page-contact .pc-channel:hover,
  .page-contact .pc-channel:focus-within {
    transform: none;
  }
}