.page-contact {
  --ct-hair: rgba(201, 162, 39, 0.42);
  --ct-hair-soft: rgba(74, 74, 69, 0.16);
  --ct-tint: rgba(217, 138, 126, 0.16);
  --ct-shadow: 0 18px 42px rgba(31, 58, 50, 0.08);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.85;
  overflow-x: hidden;
}

.page-contact *,
.page-contact *::before,
.page-contact *::after {
  box-sizing: border-box;
}

.page-contact img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-contact .breadcrumb {
  padding-top: 1.1rem;
  padding-bottom: 0.25rem;
  font-size: var(--fs-6);
  color: var(--green-mid);
}

.page-contact .breadcrumb a {
  color: var(--green-mid);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.16s ease, border-color 0.16s ease;
}

.page-contact .breadcrumb a:hover {
  color: var(--red);
  border-bottom-color: var(--red);
}

/* 首屏 —— 封面式受理入口 */
.ct-hero {
  position: relative;
  padding: 1.25rem 0 2.75rem;
  background: linear-gradient(180deg, var(--sand) 0%, var(--paper) 78%);
  border-bottom: 1px solid var(--ct-hair);
}

.ct-hero__inner {
  position: relative;
}

.ct-hero__eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-6);
  letter-spacing: 0.16em;
  color: var(--red);
}

.ct-hero__title {
  margin: 0.6rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.6rem, 12vw, 5rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--green-deep);
}

.ct-hero__title::after {
  content: "";
  display: block;
  width: 4.5rem;
  height: 2px;
  margin-top: 1rem;
  background: linear-gradient(90deg, var(--gold), rgba(201, 162, 39, 0));
}

.ct-hero__lede {
  margin: 1.25rem 0 0;
  max-width: 46ch;
  font-size: var(--fs-4);
  line-height: 1.9;
  color: var(--ink);
}

.ct-hero__index {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.75rem 0 0;
  padding: 0;
  list-style: none;
}

.ct-pill {
  display: inline-block;
  padding: 0.5rem 1.05rem;
  border: 1px solid var(--ct-hair);
  border-radius: var(--radius-pill);
  background: var(--canvas);
  color: var(--green-deep);
  font-size: var(--fs-6);
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: background-color 0.16s ease, border-color 0.16s ease, color 0.16s ease;
}

.ct-pill:hover,
.ct-pill:focus-visible {
  background: var(--red-light);
  border-color: var(--red);
  color: var(--red-deep);
}

.ct-hero__aside {
  position: absolute;
  right: 0;
  top: 0;
  display: none;
  color: var(--green-mid);
}

/* 章节通用 */
.ct-section {
  padding: 2.75rem 0;
}

.ct-section--canvas {
  background: var(--canvas);
}

.ct-section--sand {
  background: var(--sand);
}

.ct-section__head {
  max-width: 52ch;
  margin-bottom: 1.75rem;
}

.ct-section__eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-6);
  letter-spacing: 0.18em;
  color: var(--red);
}

.ct-section__title {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-2);
  line-height: 1.3;
  color: var(--green-deep);
}

.ct-section__note {
  margin: 0.6rem 0 0;
  font-size: var(--fs-6);
  color: var(--green-mid);
}

.page-contact .ct-link {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 0.25em;
  transition: color 0.16s ease, text-decoration-color 0.16s ease;
}

.page-contact .ct-link:hover {
  color: var(--red);
  text-decoration-color: var(--red);
}

/* 双栏：渠道与信笺 */
.ct-split {
  display: grid;
  gap: 2rem;
}

.ct-channel-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.ct-channel {
  padding: 1.35rem 0 1.35rem 1.15rem;
  border-left: 2px solid var(--gold);
  border-bottom: 1px solid var(--ct-hair-soft);
  transition: border-left-color 0.16s ease, background-color 0.16s ease;
}

.ct-channel:first-child {
  border-top: 1px solid var(--ct-hair-soft);
}

.ct-channel:hover {
  border-left-color: var(--red);
  background: var(--ct-tint);
}

.ct-channel__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-6);
  letter-spacing: 0.16em;
  color: var(--red);
}

.ct-channel__value {
  margin: 0.35rem 0 0.55rem;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.05rem, 4.8vw, 1.55rem);
  line-height: 1.35;
  color: var(--green-deep);
  word-break: break-word;
}

.ct-channel__note {
  margin: 0;
  max-width: 44ch;
  font-size: var(--fs-6);
  line-height: 1.9;
  color: var(--green-mid);
}

.ct-letter {
  border-radius: var(--radius-block);
  background: var(--canvas);
  box-shadow: var(--ct-shadow);
}

/* 准备清单 */
.ct-check-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ct-hair-soft);
}

.ct-check {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
  padding: 1rem 0.5rem;
  border-bottom: 1px dashed var(--ct-hair-soft);
  cursor: pointer;
  transition: background-color 0.16s ease;
}

.ct-check:hover {
  background: var(--ct-tint);
}

.ct-check input {
  flex: none;
  width: 1.15rem;
  height: 1.15rem;
  margin: 0.42rem 0 0;
  appearance: none;
  -webkit-appearance: none;
  border: 1.5px solid var(--gold);
  border-radius: 4px;
  background: var(--canvas);
  cursor: pointer;
  transition: background-color 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease;
}

.ct-check input:checked {
  background: var(--red);
  border-color: var(--red);
  box-shadow: inset 0 0 0 3px var(--canvas);
}

.ct-check input:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.ct-check__body {
  display: block;
}

.ct-check__title {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-4);
  line-height: 1.5;
  color: var(--green-deep);
}

.ct-check__desc {
  display: block;
  margin-top: 0.2rem;
  max-width: 62ch;
  font-size: var(--fs-6);
  line-height: 1.9;
  color: var(--green-mid);
}

.ct-prepare__tail {
  margin: 1.5rem 0 0;
  max-width: 62ch;
  font-size: var(--fs-6);
  color: var(--green-mid);
}

/* 回复时效 */
.ct-timing {
  display: grid;
  gap: 1.5rem;
  padding: 1.6rem 1.25rem;
  border: 1px solid var(--ct-hair);
  border-radius: var(--radius-block);
  background: var(--canvas);
}

.ct-timing__figure {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--ct-hair-soft);
}

.ct-timing__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(2.6rem, 14vw, 4rem);
  line-height: 1;
  color: var(--red);
}

.ct-timing__unit {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-4);
  color: var(--green-deep);
}

.ct-timing__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.7rem;
}

.ct-timing__list li {
  position: relative;
  padding-left: 1.35rem;
  font-size: var(--fs-5);
  color: var(--ink);
}

.ct-timing__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85em;
  width: 0.85rem;
  height: 1px;
  background: var(--gold);
}

/* 事由分流 */
.ct-route-index {
  display: flex;
  gap: 0.5rem;
  margin: 0 0 1.75rem;
  padding: 0 0 0.5rem;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.ct-route-index a {
  display: inline-block;
  padding: 0.5rem 1rem;
  white-space: nowrap;
  border: 1px solid var(--ct-hair);
  border-radius: var(--radius-pill);
  background: var(--canvas);
  color: var(--green-deep);
  font-size: var(--fs-6);
  text-decoration: none;
  transition: background-color 0.16s ease, border-color 0.16s ease, color 0.16s ease;
}

.ct-route-index a:hover,
.ct-route-index a:focus-visible {
  background: var(--red-light);
  border-color: var(--red);
  color: var(--red-deep);
}

.ct-route-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
  border-top: 1px solid var(--ct-hair-soft);
}

.ct-route {
  padding: 1.5rem 1rem;
  border-bottom: 1px solid var(--ct-hair-soft);
  transition: background-color 0.16s ease;
}

.ct-route:target {
  background: var(--canvas);
  box-shadow: inset 3px 0 0 var(--red);
}

.ct-route__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-6);
  letter-spacing: 0.18em;
  color: var(--gold);
}

.ct-route__title {
  margin: 0.35rem 0 0.5rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-3);
  color: var(--green-deep);
}

.ct-route__text {
  margin: 0;
  max-width: 68ch;
  font-size: var(--fs-5);
}

.ct-route-figure {
  margin: 2rem 0 0;
  border-radius: var(--radius-block);
  overflow: hidden;
}

/* 资料索取 */
.ct-materials {
  margin-bottom: 2rem;
}

.ct-material {
  padding: 1.35rem 1.25rem;
  border-radius: var(--radius-block);
  background: var(--paper);
  border-top: 2px solid var(--gold);
}

.ct-material__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-6);
  letter-spacing: 0.2em;
  color: var(--red);
}

.ct-material__title {
  margin: 0.4rem 0 0.5rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-4);
  color: var(--green-deep);
}

.ct-material__text {
  margin: 0;
  font-size: var(--fs-6);
  line-height: 1.9;
  color: var(--green-mid);
}

.ct-authorize {
  padding: 1.5rem 1.25rem;
  border-left: 2px solid var(--red);
  background: var(--sand);
  border-radius: 0 var(--radius-block) var(--radius-block) 0;
}

.ct-authorize__title {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-4);
  color: var(--green-deep);
}

.ct-authorize__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.65rem;
}

.ct-authorize__list li {
  position: relative;
  padding-left: 1.35rem;
  font-size: var(--fs-6);
  line-height: 1.95;
  color: var(--ink);
}

.ct-authorize__list li::before {
  content: "§";
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  color: var(--gold);
}

/* 备案信息条 */
.ct-filing {
  padding: 1.75rem 1.35rem;
  border-radius: var(--radius-panel);
  background: var(--green-deep);
  color: var(--paper);
}

.ct-filing__row {
  display: grid;
  gap: 1.5rem;
}

.ct-filing__label {
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-size: var(--fs-6);
  letter-spacing: 0.18em;
  color: var(--red-light);
}

.ct-filing__code {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.05rem, 4.6vw, 1.4rem);
  color: var(--gold);
  word-break: break-all;
}

.ct-filing__text {
  margin: 0;
  max-width: 52ch;
  font-size: var(--fs-6);
  line-height: 1.95;
  color: var(--paper);
}

.ct-filing__tip {
  margin: 0.75rem 0 0;
  font-size: var(--fs-6);
  color: var(--red-light);
  border-top: 1px solid rgba(217, 138, 126, 0.4);
  padding-top: 0.6rem;
  transition: color 0.16s ease, border-color 0.16s ease;
}

.ct-filing:hover .ct-filing__tip,
.ct-filing:focus-within .ct-filing__tip {
  color: var(--gold);
  border-color: var(--gold);
}

/* 桌面端 */
@media (min-width: 760px) {
  .ct-section {
    padding: 3.5rem 0;
  }

  .ct-hero {
    padding: 2rem 0 3.5rem;
  }

  .ct-timing {
    grid-template-columns: 1fr 1.6fr;
    align-items: start;
    padding: 2rem 1.75rem;
    gap: 2rem;
  }

  .ct-timing__figure {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
    border-bottom: 0;
    border-right: 1px solid var(--ct-hair-soft);
    padding-bottom: 0;
    padding-right: 1.5rem;
  }

  .ct-filing {
    padding: 2.5rem 2rem;
  }

  .ct-filing__row {
    grid-template-columns: 2fr 3fr;
    gap: 2.5rem;
  }

  .ct-route {
    padding: 1.75rem 1.25rem;
  }
}

@media (min-width: 1000px) {
  .ct-split {
    grid-template-columns: 7fr 5fr;
    gap: 3.5rem;
    align-items: start;
  }

  .ct-hero__aside {
    display: block;
    writing-mode: vertical-rl;
    letter-spacing: 0.16em;
    font-size: var(--fs-6);
    top: 0.5rem;
    right: 0.5rem;
  }

  .ct-hero__lede {
    font-size: var(--fs-3);
  }
}