/* ==========================================================
   联系我们 · 页面专属样式（作用域：.page-contact）
   ========================================================== */
.page-contact {
  --ct-gap: 18px;
  --ct-sec: clamp(52px, 8vw, 96px);
  --ct-mono: ui-monospace, "SFMono-Regular", "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  padding-top: clamp(24px, 5vw, 64px);
  padding-bottom: clamp(48px, 8vw, 96px);
  font-family: var(--font-body);
  color: var(--ink);
  overflow-x: hidden;
}

.page-contact .ct-mono {
  font-family: var(--ct-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
  overflow-wrap: anywhere;
}

.page-contact .crumbs {
  margin-bottom: clamp(20px, 3vw, 36px);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  display: block;
}

.page-contact .ct-hero__intro {
  max-width: 62ch;
}

.page-contact .ct-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(34px, 6.4vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-contact .ct-hero__lede {
  margin: 18px 0 0;
  max-width: 36em;
  font-family: var(--font-serif);
  font-size: clamp(16px, 1.7vw, 19px);
  line-height: 1.78;
  color: var(--ink-soft);
}

/* ---------- 三块联系信息卡 ---------- */
.page-contact .ct-cards {
  margin-top: clamp(28px, 4vw, 46px);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
}

@media (min-width: 900px) {
  .page-contact .ct-cards {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    grid-template-rows: auto auto;
  }
  .page-contact .ct-card--mail {
    grid-row: 1 / span 2;
  }
}

.page-contact .ct-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-800);
  box-shadow: var(--shadow-1);
  overflow: hidden;
}

.page-contact .ct-card--mail {
  background:
    var(--glow),
    linear-gradient(158deg, var(--bg-700) 0%, var(--bg-800) 64%);
}

.page-contact .ct-card > *:not(.ct-card__bg) {
  position: relative;
  z-index: 1;
}

.page-contact .ct-card__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  filter: saturate(0.45) contrast(1.1);
  pointer-events: none;
}

.page-contact .ct-card--call::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(180deg, rgba(6, 18, 15, 0.5) 0%, var(--bg-800) 86%);
  pointer-events: none;
}

.page-contact .ct-card__kicker {
  margin: 0;
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.page-contact .ct-card--mail .ct-card__kicker {
  color: var(--mint);
}

.page-contact .ct-card__value {
  margin: 12px 0 0;
  font-size: clamp(20px, 4.4vw, 38px);
  font-weight: 600;
  line-height: 1.2;
  color: var(--ink);
}

.page-contact .ct-card--mail .ct-card__value {
  font-size: clamp(21px, 3.2vw, 36px);
  color: var(--mint);
}

.page-contact .ct-card--call .ct-card__value {
  color: var(--ink);
}

.page-contact .ct-card__desc {
  margin: 14px 0 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-soft);
}

/* 响应时段刻度条 */
.page-contact .ct-clock {
  margin-top: auto;
  padding-top: clamp(22px, 3vw, 34px);
}

.page-contact .ct-clock__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.page-contact .ct-clock__tag {
  padding: 2px 9px;
  border: 1px solid rgba(46, 242, 200, 0.35);
  border-radius: var(--radius);
  color: var(--mint);
  letter-spacing: 0.14em;
}

.page-contact .ct-clock__track {
  position: relative;
  height: 6px;
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg-900);
}

.page-contact .ct-clock__fill {
  position: absolute;
  top: 1px;
  bottom: 1px;
  left: 37.5%;
  right: 25%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--mint), var(--cyan));
}

.page-contact .ct-clock__scale {
  position: relative;
  height: 16px;
  margin-top: 6px;
  font-size: 11px;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}

.page-contact .ct-clock__scale span {
  position: absolute;
  top: 0;
  transform: translateX(-50%);
}

.page-contact .ct-clock__scale span:first-child {
  left: 37.5%;
}

.page-contact .ct-clock__scale span:last-child {
  left: 75%;
}

/* ---------- 来函通道（左右分栏问答） ---------- */
.page-contact .ct-triage {
  margin-top: var(--ct-sec);
}

.page-contact .ct-triage__list {
  margin-top: clamp(22px, 3vw, 36px);
  border-top: 1px solid var(--line);
}

.page-contact .ct-triage__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  padding: clamp(20px, 2.8vw, 32px) 0;
  border-bottom: 1px solid var(--line);
  transition: background-color 0.18s var(--ease);
}

@media (min-width: 820px) {
  .page-contact .ct-triage__row {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: clamp(20px, 4vw, 60px);
  }
}

@media (hover: hover) {
  .page-contact .ct-triage__row:hover {
    background: linear-gradient(90deg, rgba(46, 242, 200, 0.05), transparent 70%);
  }
}

.page-contact .ct-triage__key {
  display: flex;
  align-items: flex-start;
}

.page-contact .ct-triage__body h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(18px, 2.2vw, 23px);
  line-height: 1.25;
  color: var(--ink);
}

.page-contact .ct-triage__body p {
  margin: 0;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-contact .ct-triage__body p + p {
  margin-top: 10px;
}

.page-contact .ct-triage__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(57, 217, 255, 0.4);
}

.page-contact .ct-triage__body a:hover {
  border-bottom-color: var(--cyan);
}

.page-contact .ct-triage__body p.ct-triage__hint {
  padding-left: 12px;
  border-left: 2px solid var(--mint);
  font-size: 14px;
  color: var(--ink);
  opacity: 0.85;
}

/* ---------- 响应节奏 ---------- */
.page-contact .ct-rhythm {
  margin-top: var(--ct-sec);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 56px);
}

@media (min-width: 860px) {
  .page-contact .ct-rhythm {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
}

.page-contact .ct-rhythm__media .media-frame {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-700);
}

.page-contact .ct-rhythm__media .media-frame__caption {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-contact .ct-rhythm__list {
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .ct-rhythm__item {
  padding: clamp(16px, 2.2vw, 22px) 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-rhythm__item dt {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(16px, 1.9vw, 19px);
  color: var(--ink);
}

.page-contact .ct-rhythm__time {
  display: inline-block;
  padding: 3px 10px;
  border: 1px solid rgba(46, 242, 200, 0.32);
  border-radius: var(--radius);
  background: rgba(46, 242, 200, 0.07);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--mint);
}

.page-contact .ct-rhythm__item dd {
  margin: 10px 0 0;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 来函信息清单 ---------- */
.page-contact .ct-brief {
  margin-top: var(--ct-sec);
}

.page-contact .ct-checklist {
  margin: clamp(22px, 3vw, 36px) 0 0;
  padding: 1px;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

@media (min-width: 720px) {
  .page-contact .ct-checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-contact .ct-checklist {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .ct-checklist__item {
  display: flex;
  gap: 16px;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--bg-800);
}

.page-contact .ct-checklist__num {
  flex: 0 0 auto;
  font-family: var(--font-display);
  font-size: 26px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--mint);
  opacity: 0.85;
}

.page-contact .ct-checklist__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-contact .ct-checklist__item strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-head);
  font-weight: 800;
  color: var(--ink);
}

/* ---------- 合作四步 ---------- */
.page-contact .ct-flow-sec {
  margin-top: var(--ct-sec);
}

.page-contact .ct-flow {
  margin: clamp(22px, 3vw, 36px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

@media (min-width: 900px) {
  .page-contact .ct-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-contact .ct-flow__step {
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--bg-800);
}

.page-contact .ct-flow__step:nth-child(2) {
  background: linear-gradient(180deg, var(--bg-700), var(--bg-800));
}

.page-contact .ct-flow__idx {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(46px, 7vw, 76px);
  line-height: 0.82;
  letter-spacing: -0.03em;
  color: rgba(46, 242, 200, 0.14);
  -webkit-text-stroke: 1px rgba(46, 242, 200, 0.65);
}

.page-contact .ct-flow__title {
  margin: 18px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.3;
  color: var(--ink);
}

.page-contact .ct-flow__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-contact .ct-flow__need {
  margin: 16px 0 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: 1px dashed var(--line);
}

.page-contact .ct-flow__need li {
  position: relative;
  padding-left: 13px;
  font-size: 13px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-contact .ct-flow__need li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 5px;
  height: 1px;
  background: var(--amber);
}

/* ---------- 备案信息条 ---------- */
.page-contact .ct-band {
  margin-top: var(--ct-sec);
  padding-top: clamp(22px, 3vw, 32px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding-bottom: clamp(22px, 3vw, 32px);
}

.page-contact .ct-band__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(18px, 2.2vw, 22px);
  color: var(--ink);
}

.page-contact .ct-band__grid {
  margin-top: clamp(18px, 2.4vw, 26px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

@media (min-width: 720px) {
  .page-contact .ct-band__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(20px, 3vw, 40px);
  }
}

.page-contact .ct-band__key {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.page-contact .ct-band__val {
  margin: 8px 0 0;
  font-size: clamp(15px, 1.8vw, 17px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
}

.page-contact .ct-band__cell:first-child .ct-band__val {
  color: var(--amber);
}

.page-contact .ct-band__note {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  max-width: 44em;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

/* ---------- 窄屏兜底 ---------- */
@media (max-width: 480px) {
  .page-contact .ct-card__value {
    font-size: 20px;
  }
  .page-contact .ct-clock__scale {
    font-size: 10px;
  }
}

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