.page-contact {
  --ct-edge: var(--line-500);
  --ct-panel: var(--ink-800);
  --ct-gap: clamp(14px, 2.2vw, 26px);
  --ct-radius: 3px;
  --ct-soft: #43536b;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding-top: clamp(24px, 4vw, 52px);
  padding-bottom: clamp(28px, 4.5vw, 60px);
  border-bottom: 1px solid var(--ct-edge);
}

.page-contact .ct-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 46px);
  align-items: start;
}

.page-contact .ct-hero__lead .tag {
  display: inline-block;
  margin-bottom: 18px;
}

.page-contact .ct-hero__lead h1 {
  margin: 0 0 20px;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(32px, 7.2vw, 62px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--text-100);
  max-width: 15em;
}

.page-contact .ct-hero__lead .lead {
  max-width: 34em;
  color: var(--text-400);
}

.page-contact .ct-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-contact .ct-quick {
  position: relative;
  padding: 22px 20px 24px;
  background: var(--ct-panel);
  border: 1px solid var(--ct-edge);
  border-radius: var(--ct-radius);
  box-shadow: var(--shadow-2);
  overflow: hidden;
}

.page-contact .ct-quick::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 2px;
  background: var(--amber-500);
}

.page-contact .ct-quick__label {
  margin: 0 0 16px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan-200);
}

.page-contact .ct-quick__mail {
  display: block;
  padding-bottom: 16px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--ct-edge);
  text-decoration: none;
}

.page-contact .ct-quick__mail:hover .ct-quick__v,
.page-contact .ct-quick__mail:focus-visible .ct-quick__v {
  color: var(--cyan-400);
}

.page-contact .ct-quick__row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  align-items: baseline;
  padding-bottom: 14px;
}

.page-contact .ct-quick__k {
  display: block;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-400);
}

.page-contact .ct-quick__v {
  display: block;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--text-100);
  word-break: break-all;
  transition: color 160ms var(--ease);
}

.page-contact .ct-quick__v--sm {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.6;
}

.page-contact .ct-quick__note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--ct-edge);
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-400);
}

/* ---------- 章节标题 ---------- */
.page-contact .ct-head {
  max-width: 60ch;
  margin-bottom: clamp(24px, 3.4vw, 40px);
}

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

.page-contact .ct-head h2 {
  margin: 0 0 12px;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--text-100);
}

.page-contact .ct-head p {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-400);
}

/* ---------- 问题分类 ---------- */
.page-contact .ct-route__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ct-edge);
}

.page-contact .ct-route__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--ct-edge);
}

.page-contact .ct-route__no {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan-400);
  padding-top: 4px;
}

.page-contact .ct-route__text h3 {
  margin: 0 0 8px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.4;
  color: var(--text-100);
}

.page-contact .ct-route__text p {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-400);
}

.page-contact .ct-route__go {
  grid-column: 2;
  justify-self: start;
  margin-top: 4px;
  padding: 5px 12px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan-200);
  text-decoration: none;
  border: 1px solid var(--ct-edge);
  border-radius: var(--ct-radius);
  transition: border-color 160ms var(--ease), color 160ms var(--ease);
}

.page-contact .ct-route__go:hover,
.page-contact .ct-route__go:focus-visible {
  color: var(--amber-500);
  border-color: var(--amber-500);
}

/* ---------- 渠道 ---------- */
.page-contact .ct-channels__figure {
  margin: 0 0 clamp(20px, 3vw, 32px);
  border: 1px solid var(--ct-edge);
  border-radius: var(--ct-radius);
  background: var(--ink-700);
  overflow: hidden;
}

.page-contact .ct-channels__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

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

.page-contact .ct-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px 24px;
  background: var(--ct-panel);
  border: 1px solid var(--ct-edge);
  border-radius: var(--ct-radius);
  box-shadow: var(--shadow-1);
  transition: transform 160ms var(--ease), border-color 160ms var(--ease), box-shadow 160ms var(--ease);
  scroll-margin-top: calc(var(--cmd-h) + 16px);
}

.page-contact .ct-card:hover {
  transform: translateY(-2px);
  border-color: var(--cyan-400);
  box-shadow: var(--shadow-2);
}

.page-contact .ct-card:target {
  border-color: var(--amber-500);
  box-shadow: 0 0 0 1px rgba(255, 165, 31, 0.35), var(--shadow-2);
}

.page-contact .ct-card__k {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--text-400);
}

.page-contact .ct-card h3 {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 21px;
  line-height: 1.25;
  color: var(--text-100);
}

.page-contact .ct-card__desc {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-400);
}

.page-contact .ct-card__act {
  align-self: flex-start;
  margin-top: auto;
  padding: 9px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-900);
  background: var(--amber-500);
  border-radius: var(--ct-radius);
  text-decoration: none;
  transition: transform 160ms var(--ease), background 160ms var(--ease);
}

.page-contact .ct-card__act:hover,
.page-contact .ct-card__act:focus-visible {
  transform: translateY(-2px);
  background: #ffb64d;
}

.page-contact .ct-card__act--ghost {
  color: var(--cyan-200);
  background: transparent;
  border: 1px solid var(--ct-edge);
}

.page-contact .ct-card__act--ghost:hover,
.page-contact .ct-card__act--ghost:focus-visible {
  color: var(--amber-500);
  background: transparent;
  border-color: var(--amber-500);
}

.page-contact .ct-card__tel {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(22px, 4.4vw, 30px);
  letter-spacing: 0.02em;
  color: var(--cyan-400);
  word-break: break-all;
}

.page-contact .ct-card__addr {
  margin: 0;
  font-family: var(--font-serif);
  font-style: normal;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-100);
}

.page-contact .ct-card__meta {
  margin: 0;
  font-size: 12px;
  line-height: 1.75;
  color: var(--text-400);
}

.page-contact .ct-card__meta.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  word-break: break-all;
}

/* ---------- 回复节奏 ---------- */
.page-contact .ct-rhythm {
  border-top: 1px solid var(--ct-edge);
  border-bottom: 1px solid var(--ct-edge);
  background: var(--ink-800);
}

.page-contact .ct-clock {
  margin-bottom: clamp(24px, 3.4vw, 34px);
}

.page-contact .ct-clock__ticks {
  height: 16px;
  border-bottom: 1px solid var(--ct-edge);
  background-image: repeating-linear-gradient(
    to right,
    var(--line-500) 0 1px,
    transparent 1px 22px
  );
  opacity: 0.75;
}

.page-contact .ct-clock__track {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  margin-top: 2px;
}

.page-contact .ct-clock__open {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  padding: 16px 18px;
  background: rgba(47, 227, 208, 0.08);
  border-left: 2px solid var(--cyan-400);
}

.page-contact .ct-clock__closed {
  padding: 16px 18px;
  border-left: 2px dashed var(--ct-edge);
}

.page-contact .ct-clock__time {
  font-size: 13px;
  color: var(--cyan-200);
  letter-spacing: 0.06em;
}

.page-contact .ct-clock__label {
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-400);
}

.page-contact .ct-queue {
  list-style: none;
  margin: 0 0 clamp(24px, 3.4vw, 36px);
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .ct-queue__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  padding: 16px 0 0;
  border-top: 1px solid var(--ct-edge);
}

.page-contact .ct-queue__no {
  display: inline-grid;
  place-items: center;
  width: 26px;
  height: 26px;
  font-size: 12px;
  color: var(--cyan-400);
  border: 1px solid var(--ct-edge);
  border-radius: 50%;
}

.page-contact .ct-queue__item h3 {
  margin: 0 0 6px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 16px;
  color: var(--text-100);
}

.page-contact .ct-queue__item p {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-400);
}

.page-contact .ct-rhythm__figure {
  margin: 0;
  border: 1px solid var(--ct-edge);
  border-radius: var(--ct-radius);
  background: var(--ink-700);
  overflow: hidden;
}

.page-contact .ct-rhythm__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 准备清单 ---------- */
.page-contact .ct-prep {
  color: var(--ink-on-paper);
}

.page-contact .ct-head--paper h2 {
  color: var(--ink-on-paper);
}

.page-contact .ct-head--paper p {
  color: var(--ct-soft);
}

.page-contact .ct-tag--paper {
  color: var(--amber-600);
  border-color: rgba(11, 20, 33, 0.28);
}

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

.page-contact .ct-prep__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 16px;
  padding: 20px 0;
  border-top: 1px solid rgba(11, 20, 33, 0.14);
}

.page-contact .ct-prep__no {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  font-size: 12px;
  color: var(--amber-600);
  border: 1px solid var(--amber-600);
  border-radius: var(--ct-radius);
}

.page-contact .ct-prep__text h3 {
  margin: 0 0 8px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.4;
  color: var(--ink-on-paper);
}

.page-contact .ct-prep__text p {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.85;
  color: var(--ct-soft);
}

/* ---------- 合作与反馈 ---------- */
.page-contact .ct-coop__grid {
  margin-bottom: clamp(24px, 3.4vw, 36px);
}

.page-contact .ct-coop__item {
  padding: 22px 20px;
  background: var(--ink-700);
  border-top: 2px solid var(--cyan-400);
  border-radius: var(--ct-radius);
}

.page-contact .ct-coop__k {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan-200);
}

.page-contact .ct-coop__item h3 {
  margin: 0 0 10px;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 18px;
  color: var(--text-100);
}

.page-contact .ct-coop__item p {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-400);
}

.page-contact .ct-coop__foot {
  display: grid;
  gap: 18px;
  padding-top: clamp(20px, 3vw, 28px);
  border-top: 1px solid var(--ct-edge);
}

.page-contact .ct-coop__foot p {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.9;
  color: var(--text-400);
}

.page-contact .ct-coop__foot a {
  color: var(--cyan-200);
  text-decoration: none;
  border-bottom: 1px solid var(--ct-edge);
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-contact .ct-coop__foot a:hover,
.page-contact .ct-coop__foot a:focus-visible {
  color: var(--amber-500);
  border-color: var(--amber-500);
}

.page-contact .ct-coop__foot .btn {
  justify-self: start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .ct-route__item {
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: start;
    gap: 6px 20px;
  }

  .page-contact .ct-route__go {
    grid-column: 3;
    margin-top: 2px;
  }

  .page-contact .ct-prep__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 4vw, 56px);
  }

  .page-contact .ct-clock__track {
    grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
    gap: 2px;
  }

  .page-contact .ct-queue {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(32px, 4vw, 60px);
  }

  .page-contact .ct-channels__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    grid-auto-rows: auto;
  }

  .page-contact .ct-card--mail {
    grid-column: span 7;
    min-height: 250px;
  }

  .page-contact .ct-card--phone {
    grid-column: span 5;
    min-height: 250px;
  }

  .page-contact .ct-card--address {
    grid-column: span 5;
  }

  .page-contact .ct-card--feedback {
    grid-column: span 7;
  }

  .page-contact .ct-coop__foot {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-contact .ct-coop__foot .btn {
    justify-self: end;
  }
}

@media (min-width: 1100px) {
  .page-contact .ct-hero__lead h1 {
    font-size: clamp(44px, 5vw, 64px);
  }

  .page-contact .ct-quick {
    padding: 26px 24px 28px;
  }
}
<<<END>>>