/* ============================================================
   页面：联系与反馈  (/feedback/)
   作用域：.page-contact
   ============================================================ */

.page-contact {
  --ct-gap: clamp(16px, 2.2vw, 26px);
  --ct-hair: rgba(201, 162, 39, .30);
  --ct-hair-soft: rgba(168, 178, 174, .16);
  --ct-panel-bg: linear-gradient(158deg, rgba(22, 69, 60, .54), rgba(9, 22, 19, .90));
  position: relative;
  overflow-x: clip;
  color: var(--chalk);
  background:
    radial-gradient(115% 62% at 92% -8%, rgba(31, 111, 99, .20), transparent 62%),
    radial-gradient(76% 52% at -10% 14%, rgba(22, 69, 60, .32), transparent 66%);
}

/* ---------- 面包屑 ---------- */

.page-contact .breadcrumb {
  padding-top: clamp(16px, 2vw, 24px);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-contact .breadcrumb a {
  color: var(--silver);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--gold-lit);
  border-bottom-color: var(--gold-lit);
}

.page-contact .breadcrumb span[aria-hidden] {
  margin: 0 .55em;
  color: var(--mist);
}

/* ---------- 首屏 ---------- */

.page-contact .ct-hero {
  position: relative;
  padding-block: clamp(22px, 3.6vw, 44px) clamp(36px, 5vw, 66px);
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  left: var(--pad);
  right: var(--pad);
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--ct-hair) 20%, rgba(31, 111, 99, .55) 58%, transparent);
}

.page-contact .ct-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.6vw, 46px);
  align-items: center;
}

.page-contact .ct-hero-title {
  margin: .26em 0 .48em;
  font-size: clamp(32px, 5.6vw, 58px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.012em;
  color: var(--chalk);
  text-wrap: balance;
}

.page-contact .ct-hero-title em {
  position: relative;
  font-style: normal;
  color: var(--gold-lit);
}

.page-contact .ct-hero-title em::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: .04em;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), rgba(200, 50, 42, .9));
}

.page-contact .ct-hero-lead {
  max-width: 42ch;
  margin: 0 0 clamp(22px, 2.8vw, 32px);
  font-size: clamp(15.5px, 1.32vw, 17px);
  line-height: 1.88;
  color: var(--silver);
}

.page-contact .ct-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 服务时段块 */

.page-contact .ct-cut {
  position: relative;
  background: var(--ct-panel-bg);
  border: 1px solid var(--ct-hair);
}

.page-contact .ct-cut::after {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 16px;
  height: 16px;
  background: linear-gradient(135deg, var(--gold) 0 50%, transparent 50%);
  pointer-events: none;
}

.page-contact .ct-hours {
  padding: clamp(20px, 2.8vw, 32px);
}

.page-contact .ct-hours-eyebrow {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--mist);
}

.page-contact .ct-hours-range {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 14px;
  font-family: var(--font-num);
  font-size: clamp(26px, 4.2vw, 38px);
  font-weight: 700;
  line-height: 1;
  color: var(--gold-lit);
  font-variant-numeric: tabular-nums;
}

.page-contact .ct-hours-sep {
  flex: 1 1 auto;
  height: 2px;
  min-width: 24px;
  background: linear-gradient(90deg, var(--gold), rgba(31, 111, 99, .8));
}

.page-contact .ct-hours-note {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--silver);
}

.page-contact .ct-hours-marks {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-hours-marks li {
  padding: 5px 11px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--chalk);
  background: rgba(31, 111, 99, .22);
  border: 1px solid rgba(31, 111, 99, .45);
}

/* ---------- 区块通用头部 ---------- */

.page-contact .ct-head {
  max-width: 62ch;
  margin-bottom: clamp(24px, 3.4vw, 40px);
}

.page-contact .ct-head h2 {
  margin: .22em 0 .5em;
  font-size: clamp(24px, 3.4vw, 38px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.006em;
  color: var(--chalk);
  text-wrap: balance;
}

.page-contact .ct-head p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.86;
  color: var(--silver);
}

/* ---------- 通道卡片 ---------- */

.page-contact .ct-channels {
  padding-top: clamp(30px, 4.4vw, 56px);
}

.page-contact .ct-channel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ct-gap);
}

.page-contact .ct-panel {
  position: relative;
  padding: clamp(22px, 2.8vw, 34px);
  background: var(--ct-panel-bg);
  border: 1px solid var(--ct-hair-soft);
  transition: border-color .28s var(--ease), transform .28s var(--ease);
}

.page-contact .ct-panel::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 54px;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), transparent);
}

.page-contact .ct-channel--phone::before {
  background: linear-gradient(90deg, var(--jade), transparent);
}

.page-contact .ct-panel:hover {
  border-color: var(--ct-hair);
}

.page-contact .ct-channel .tag {
  display: inline-block;
  margin-bottom: 14px;
}

.page-contact .ct-channel-title {
  margin: 0 0 10px;
  font-size: clamp(20px, 2.2vw, 25px);
  font-weight: 700;
  color: var(--chalk);
}

.page-contact .ct-channel-intro {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--silver);
}

.page-contact .ct-channel-list {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-contact .ct-channel-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--chalk);
}

.page-contact .ct-channel-list li::before {
  content: "";
  position: absolute;
  left: 1px;
  top: .78em;
  width: 9px;
  height: 2px;
  background: var(--gold);
}

.page-contact .ct-channel--phone .ct-channel-list li::before {
  background: var(--jade);
}

.page-contact .ct-channel-contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  padding-top: 18px;
  border-top: 1px solid var(--ct-hair-soft);
}

.page-contact .ct-channel-value {
  flex: 1 1 200px;
  min-width: 0;
  font-family: var(--font-num);
  font-size: clamp(14.5px, 1.5vw, 17px);
  font-weight: 600;
  color: var(--gold-lit);
  overflow-wrap: anywhere;
}

.page-contact .ct-channel--phone .ct-channel-value {
  color: var(--chalk);
}

/* 复制按钮 */

.page-contact .ct-copy {
  flex: 0 0 auto;
  padding: 8px 16px;
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--gold);
  background: transparent;
  border: 1px solid var(--ct-hair);
  cursor: pointer;
  transition: background-color .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .ct-copy:hover,
.page-contact .ct-copy:focus-visible {
  color: var(--gold-lit);
  background: rgba(201, 162, 39, .14);
}

.page-contact .ct-copy.is-done {
  color: var(--ink);
  background: var(--gold);
  border-color: var(--gold);
}

/* 图片 */

.page-contact .ct-figure {
  margin: 0;
  overflow: hidden;
  background: rgba(7, 11, 10, .58);
  border: 1px solid var(--ct-hair-soft);
}

.page-contact .ct-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .ct-figure-cap {
  padding: 14px clamp(16px, 2vw, 22px) 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
  border-top: 1px solid var(--ct-hair-soft);
}

.page-contact .ct-figure--channels {
  margin-top: clamp(24px, 3.4vw, 40px);
}

/* ---------- 流程 ---------- */

.page-contact .ct-flow {
  padding-top: clamp(34px, 5vw, 68px);
}

.page-contact .ct-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ct-gap);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-step {
  position: relative;
  padding-top: 22px;
  border-top: 1px solid var(--ct-hair-soft);
}

.page-contact .ct-step::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 38px;
  height: 2px;
  background: var(--gold);
}

.page-contact .ct-step:nth-child(2)::before { background: #3f8f7f; }
.page-contact .ct-step:nth-child(3)::before { background: var(--jade); }
.page-contact .ct-step:nth-child(4)::before { background: var(--red); }

.page-contact .ct-step-num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-num);
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 700;
  line-height: 1;
  color: rgba(201, 162, 39, .82);
  font-variant-numeric: tabular-nums;
}

.page-contact .ct-step h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--chalk);
}

.page-contact .ct-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--silver);
}

/* 服务窗口刻度条 */

.page-contact .ct-rail {
  margin-top: clamp(28px, 4vw, 48px);
  padding: clamp(18px, 2.4vw, 28px);
  background: rgba(7, 11, 10, .55);
  border: 1px solid var(--ct-hair-soft);
}

.page-contact .ct-rail-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 18px;
  margin-bottom: 16px;
}

.page-contact .ct-rail-label {
  font-size: 12.5px;
  letter-spacing: .12em;
  color: var(--mist);
}

.page-contact .ct-rail-range {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-num);
  font-size: clamp(17px, 2vw, 22px);
  font-weight: 700;
  color: var(--gold-lit);
  font-variant-numeric: tabular-nums;
}

.page-contact .ct-rail-range span {
  color: var(--mist);
  font-size: 14px;
}

.page-contact .ct-rail-track {
  height: 12px;
  background-image: repeating-linear-gradient(
    90deg,
    var(--gold) 0 7%,
    rgba(7, 11, 10, .92) 7% 8.3333%
  );
  box-shadow: inset 0 0 0 1px rgba(201, 162, 39, .35);
}

.page-contact .ct-rail-foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 18px;
  margin-top: 14px;
  font-size: 13px;
  color: var(--silver);
}

/* ---------- 来访与邮寄 ---------- */

.page-contact .ct-visit {
  padding-top: clamp(34px, 5vw, 68px);
}

.page-contact .ct-visit-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.6vw, 48px);
  align-items: center;
}

.page-contact .ct-visit-copy h2 {
  margin: .22em 0 .5em;
  font-size: clamp(24px, 3.4vw, 36px);
  font-weight: 800;
  line-height: 1.22;
  color: var(--chalk);
  text-wrap: balance;
}

.page-contact .ct-visit-copy > p {
  margin: 0 0 22px;
  font-size: 15.5px;
  line-height: 1.86;
  color: var(--silver);
  max-width: 46ch;
}

.page-contact .ct-addr {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  padding: 18px 20px;
  background: rgba(22, 69, 60, .40);
  border-left: 3px solid var(--gold);
}

.page-contact .ct-addr-label {
  flex: 0 0 100%;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--mist);
}

.page-contact .ct-addr-value {
  flex: 1 1 220px;
  min-width: 0;
  font-family: var(--font-num);
  font-size: clamp(14.5px, 1.5vw, 16.5px);
  font-weight: 600;
  color: var(--chalk);
  overflow-wrap: anywhere;
}

.page-contact .ct-fine {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--mist);
  max-width: 48ch;
}

/* ---------- 咨询分类 ---------- */

.page-contact .ct-topics {
  padding-top: clamp(34px, 5vw, 68px);
}

.page-contact .ct-tablist {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--ct-hair-soft);
  scrollbar-width: thin;
}

.page-contact .ct-tab {
  flex: 0 0 auto;
  padding: 12px 18px;
  font-family: var(--font-sans);
  font-size: 14.5px;
  letter-spacing: .02em;
  color: var(--silver);
  background: transparent;
  border: 1px solid transparent;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color .22s var(--ease), border-color .22s var(--ease), background-color .22s var(--ease);
}

.page-contact .ct-tab:hover,
.page-contact .ct-tab:focus-visible {
  color: var(--chalk);
  background: rgba(31, 111, 99, .18);
}

.page-contact .ct-tab[aria-selected="true"] {
  color: var(--gold-lit);
  border-bottom-color: var(--red);
  background: rgba(201, 162, 39, .10);
}

.page-contact .ct-tabpanel {
  padding-top: clamp(20px, 2.8vw, 30px);
  max-width: 68ch;
  animation: ctPanelIn .32s var(--ease);
}

.page-contact .ct-tabpanel[hidden] {
  display: none;
}

.page-contact .ct-tabpanel h3 {
  margin: 0 0 10px;
  font-size: clamp(19px, 2.2vw, 23px);
  font-weight: 700;
  color: var(--gold-lit);
}

.page-contact .ct-tabpanel > p {
  margin: 0 0 16px;
  font-size: 15.5px;
  line-height: 1.86;
  color: var(--silver);
}

.page-contact .ct-tips {
  margin: 0 0 18px;
  padding: 0 0 0 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-contact .ct-tips li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--chalk);
}

.page-contact .ct-tips li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .76em;
  width: 8px;
  height: 8px;
  border: 1px solid var(--jade);
  transform: rotate(45deg);
}

.page-contact .ct-tip-link {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 13.5px;
  color: var(--mist);
}

.page-contact .ct-tip-link a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 162, 39, .40);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .ct-tip-link a:hover,
.page-contact .ct-tip-link a:focus-visible {
  color: var(--gold-lit);
  border-bottom-color: var(--gold-lit);
}

@keyframes ctPanelIn {
  from {
    opacity: 0;
    transform: translateX(14px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 合作与建议 ---------- */

.page-contact .ct-collab {
  padding-top: clamp(34px, 5vw, 68px);
  padding-bottom: clamp(40px, 5.5vw, 80px);
}

.page-contact .ct-collab-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.6vw, 48px);
  align-items: start;
}

.page-contact .ct-collab-copy h2 {
  margin: .22em 0 .5em;
  font-size: clamp(24px, 3.4vw, 36px);
  font-weight: 800;
  line-height: 1.22;
  color: var(--chalk);
  text-wrap: balance;
}

.page-contact .ct-collab-copy > p {
  margin: 0 0 22px;
  font-size: 15.5px;
  line-height: 1.86;
  color: var(--silver);
  max-width: 46ch;
}

.page-contact .ct-collab-btn {
  display: inline-block;
}

.page-contact .ct-collab-side {
  padding: clamp(20px, 2.6vw, 32px);
  background: var(--ct-panel-bg);
  border: 1px solid var(--ct-hair-soft);
  border-top: 3px solid var(--gold);
}

.page-contact .ct-collab-side h3 {
  margin: 0 0 18px;
  font-size: 17px;
  font-weight: 700;
  color: var(--chalk);
}

.page-contact .ct-brief {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.page-contact .ct-brief li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.page-contact .ct-brief-num {
  font-family: var(--font-num);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--red);
  font-variant-numeric: tabular-nums;
}

.page-contact .ct-brief-body strong {
  display: block;
  margin-bottom: 4px;
  font-size: 15px;
  font-weight: 700;
  color: var(--chalk);
}

.page-contact .ct-brief-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--silver);
}

.page-contact .ct-collab-side .ct-fine {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--ct-hair-soft);
  max-width: none;
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-contact .ct-channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-contact .ct-addr-label {
    flex: 0 0 auto;
  }
}

@media (min-width: 940px) {
  .page-contact .ct-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

  .page-contact .ct-hours {
    transform: translateY(-10px);
  }

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

  .page-contact .ct-visit-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  }

  .page-contact .ct-collab-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  }
}

@media (min-width: 1120px) {
  .page-contact .ct-tabpanel {
    max-width: 74ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-tabpanel {
    animation: none;
  }

  .page-contact .ct-panel,
  .page-contact .ct-copy,
  .page-contact .ct-tab {
    transition: none;
  }

  .page-contact .ct-hours {
    transform: none;
  }
}