.page-contact {
  --cc-top: clamp(24px, 4vw, 48px);
  --cc-gap: clamp(14px, 2vw, 22px);
  --cc-edge: 1px solid var(--line);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: var(--cc-top) 0 clamp(20px, 3vw, 34px);
}

.page-contact .contact-hero .eyebrow {
  margin: 16px 0 0;
}

.page-contact h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(31px, 5.5vw, 60px);
  line-height: 1.04;
  letter-spacing: -0.015em;
  color: var(--chalk);
  margin: 8px 0 0;
  max-width: 17ch;
}

.page-contact .contact-lead {
  margin: clamp(14px, 2vw, 22px) 0 0;
  max-width: 38em;
  color: var(--mist);
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.78;
}

/* ---------- 通用标题 ---------- */
.page-contact h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.3vw, 38px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--chalk);
  margin: 8px 0 0;
}

.page-contact h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 1.7vw, 21px);
  line-height: 1.22;
  color: var(--chalk);
  margin: 0;
}

.page-contact .section-head {
  margin: 0 0 clamp(18px, 2.5vw, 30px);
}

/* ---------- 渠道区 ---------- */
.page-contact .contact-channels {
  padding-bottom: clamp(8px, 2vw, 18px);
}

.page-contact .contact-channels .media-frame {
  margin-bottom: clamp(26px, 4vw, 46px);
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--cc-gap);
  margin: 0 0 clamp(24px, 4vw, 46px);
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(20px, 2.4vw, 30px);
  background: linear-gradient(168deg, var(--board) 0%, var(--ink-2) 100%);
  border: var(--cc-edge);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.35);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.page-contact .channel-card::after {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 16px;
  height: 16px;
  border-top: 2px solid var(--teal);
  border-left: 2px solid var(--teal);
  pointer-events: none;
}

.page-contact .channel-card:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

@media (hover: hover) and (min-width: 900px) {
  .page-contact .channel-card:hover {
    transform: translateY(-3px);
    border-color: var(--teal);
    box-shadow: 8px 10px 0 rgba(53, 224, 190, 0.14);
  }
}

.page-contact .channel-kind {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--teal);
  text-transform: uppercase;
}

.page-contact .channel-value {
  margin: 2px 0 0;
  font-family: var(--font-num);
  font-weight: 600;
  font-size: clamp(15px, 1.5vw, 20px);
  line-height: 1.34;
  color: var(--chalk);
  word-break: break-word;
}

.page-contact .channel-value a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .channel-value a:hover,
.page-contact .channel-value a:focus-visible {
  color: var(--teal);
  border-bottom-color: var(--teal);
}

.page-contact .channel-value--addr {
  font-size: clamp(14px, 1.12vw, 16px);
  font-weight: 500;
  line-height: 1.56;
}

.page-contact .channel-caption {
  margin: 0;
  color: var(--mute);
  font-size: 13px;
  line-height: 1.65;
}

.page-contact .channel-detail {
  overflow: hidden;
  max-height: none;
  opacity: 1;
}

.page-contact .channel-detail-inner {
  border-top: 1px dashed var(--line);
  margin-top: 14px;
  padding-top: 14px;
}

@media (hover: hover) and (min-width: 900px) {
  .page-contact .channel-detail {
    max-height: 0;
    opacity: 0;
    transition: max-height var(--dur-slow) var(--ease), opacity 200ms var(--ease);
  }
  .page-contact .channel-card:hover .channel-detail,
  .page-contact .channel-card:focus-within .channel-detail {
    max-height: 460px;
    opacity: 1;
  }
}

.page-contact .channel-label {
  margin: 0 0 8px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal);
}

.page-contact .channel-label--warn {
  color: var(--flare);
  margin-top: 16px;
}

.page-contact .channel-detail ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-contact .channel-detail li {
  position: relative;
  padding-left: 14px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--mist);
}

.page-contact .channel-detail li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 5px;
  height: 5px;
  background: var(--teal);
}

.page-contact .channel-label--warn + ul li::before {
  background: var(--flare);
}

/* ---------- 全宽响应节奏带 ---------- */
.page-contact .contact-band {
  position: relative;
  margin: clamp(38px, 6vw, 76px) 0;
  padding: clamp(30px, 5vw, 60px) 0;
  background: linear-gradient(180deg, var(--ink-2) 0%, var(--ink) 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-contact .contact-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(to right, rgba(36, 56, 47, 0.5) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(36, 56, 47, 0.5) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

.page-contact .contact-band > .container {
  position: relative;
  z-index: 1;
}

.page-contact .band-lead {
  max-width: 40em;
  margin: clamp(12px, 1.6vw, 18px) 0 clamp(22px, 3vw, 34px);
  color: var(--mist);
  font-size: 16px;
  line-height: 1.78;
}

.page-contact .band-lead b {
  font-family: var(--font-num);
  font-weight: 600;
  color: var(--chalk);
  font-feature-settings: "tnum" 1;
}

.page-contact .band-lead a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 190, 0.4);
}

.page-contact .band-lead a:hover {
  border-bottom-color: var(--teal);
}

.page-contact .hour-scroll {
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.page-contact .hour-scale {
  position: relative;
  min-width: 520px;
  height: 52px;
  background: var(--ink);
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-contact .hour-scale::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    90deg,
    rgba(36, 56, 47, 0.95) 0 1px,
    transparent 1px 4.1667%
  );
  pointer-events: none;
}

.page-contact .hour-fill {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 37.5%;
  width: 37.5%;
  background: linear-gradient(90deg, rgba(53, 224, 190, 0.1), rgba(53, 224, 190, 0.42));
  border-left: 2px solid var(--teal);
  border-right: 2px solid var(--teal);
}

.page-contact .hour-labels {
  display: flex;
  justify-content: space-between;
  min-width: 520px;
  margin-top: 8px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mute);
}

.page-contact .hour-key {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  max-width: 44em;
  color: var(--mute);
  font-size: 13.5px;
  line-height: 1.68;
}

.page-contact .key-dot {
  flex: none;
  width: 12px;
  height: 12px;
  margin-top: 5px;
  background: var(--teal);
  box-shadow: 0 0 0 1px rgba(53, 224, 190, 0.35);
}

.page-contact .contact-band .media-frame {
  margin-top: clamp(22px, 3vw, 36px);
}

/* ---------- 反馈前自查 ---------- */
.page-contact .contact-check {
  padding: clamp(24px, 4vw, 50px) 0;
}

.page-contact .check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .check-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(14px, 2.4vw, 30px);
  align-items: start;
  padding: clamp(16px, 2vw, 24px) 0;
  border-top: 1px solid var(--line);
}

.page-contact .check-item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .check-num {
  font-family: var(--font-num);
  font-size: clamp(20px, 2.4vw, 30px);
  font-weight: 700;
  line-height: 1;
  color: var(--teal);
  padding-top: 4px;
  font-feature-settings: "tnum" 1;
}

.page-contact .check-body p {
  margin: 8px 0 0;
  max-width: 52em;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.72;
}

/* ---------- 来信结构 ---------- */
.page-contact .mail-template {
  padding: clamp(6px, 2vw, 16px) 0 clamp(28px, 4vw, 52px);
}

.page-contact .template-shell {
  padding: clamp(20px, 3vw, 36px);
  background: var(--board);
  border: var(--cc-edge);
  border-left: 3px solid var(--teal);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.32);
}

.page-contact .template-list {
  list-style: none;
  margin: clamp(16px, 2vw, 26px) 0 0;
  padding: 0;
  display: grid;
}

.page-contact .template-list li {
  display: grid;
  grid-template-columns: minmax(72px, 104px) 1fr;
  gap: 14px;
  align-items: baseline;
  padding: 13px 0;
  border-top: 1px dashed var(--line);
}

.page-contact .tmpl-key {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--teal);
  text-transform: uppercase;
}

.page-contact .tmpl-val {
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.68;
}

/* ---------- 分流对照 ---------- */
.page-contact .routes {
  padding: clamp(26px, 4vw, 52px) 0;
}

.page-contact .routes-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3vw, 34px);
}

.page-contact .routes-col h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-contact .routes-dot {
  flex: none;
  width: 10px;
  height: 10px;
  background: var(--teal);
}

.page-contact .routes-col--mail .routes-dot {
  background: var(--flare);
}

.page-contact .routes-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-contact .routes-col li {
  position: relative;
  padding: 12px 0 12px 20px;
  border-bottom: 1px dashed var(--line);
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.68;
}

.page-contact .routes-col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.06em;
  width: 9px;
  height: 2px;
  background: var(--teal);
  opacity: 0.75;
}

.page-contact .routes-col--mail li::before {
  background: var(--flare);
}

.page-contact .routes-col li a {
  color: var(--chalk);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-contact .routes-col li a:hover {
  color: var(--teal);
  border-bottom-color: var(--teal);
}

@media (min-width: 780px) {
  .page-contact .routes-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0;
  }
  .page-contact .routes-col--self {
    padding-right: clamp(22px, 3vw, 40px);
  }
  .page-contact .routes-col--mail {
    padding-left: clamp(22px, 3vw, 40px);
    border-left: 1px solid var(--line);
  }
}

/* ---------- 不受理范围与无表单说明 ---------- */
.page-contact .not-for {
  padding: clamp(28px, 4vw, 56px) 0 clamp(40px, 6vw, 74px);
}

.page-contact .notfor-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3vw, 42px);
}

.page-contact .notfor-list {
  list-style: none;
  margin: clamp(16px, 2vw, 24px) 0 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-contact .notfor-list li {
  position: relative;
  padding-left: 26px;
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.68;
}

.page-contact .notfor-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 16px;
  height: 2px;
  background: var(--flare);
}

.page-contact .noform {
  padding: clamp(22px, 3vw, 34px);
  background: linear-gradient(170deg, var(--board) 0%, var(--ink-2) 100%);
  border: var(--cc-edge);
  border-top: 3px solid var(--flare);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.32);
}

.page-contact .noform p {
  margin: 12px 0 0;
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.72;
}

.page-contact .noform-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(18px, 2.4vw, 26px);
}

@media (min-width: 900px) {
  .page-contact .notfor-grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: start;
  }
}

/* ---------- 窄屏收尾 ---------- */
@media (max-width: 560px) {
  .page-contact .template-list li {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .page-contact .check-item {
    gap: 12px;
  }
  .page-contact .channel-card {
    box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.32);
  }
}