.page-contact {
  --ct-line: rgba(95, 211, 228, 0.16);
  --ct-line-soft: rgba(95, 211, 228, 0.09);
  --ct-sec-gap: clamp(48px, 7vw, 88px);
  background: var(--ink);
  color: var(--mist);
  overflow-x: hidden;
}

.page-contact .breadcrumb {
  padding-block: clamp(18px, 2.5vw, 28px);
}

.page-contact .breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  font-size: 13px;
  color: var(--rock);
}

.page-contact .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--violet-lift);
}

.page-contact .breadcrumb a {
  color: var(--rock);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

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

/* ---------- 首屏 ---------- */

.page-contact .ct-hero {
  position: relative;
  padding-block: clamp(32px, 6vw, 72px) clamp(40px, 6vw, 68px);
  border-bottom: 1px solid var(--ct-line);
  overflow: hidden;
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, var(--ct-line-soft) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(0deg, var(--ct-line-soft) 0 1px, transparent 1px 64px),
    radial-gradient(circle at 88% 8%, rgba(242, 178, 60, 0.18), transparent 52%);
}

.page-contact .ct-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(18px, 2.6vw, 28px);
}

.page-contact .ct-hero .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--lake-light);
}

.page-contact .ct-hero__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(42px, 9vw, 108px);
  line-height: 0.98;
  letter-spacing: -0.03em;
  color: var(--mist);
}

.page-contact .ct-hero__title span {
  color: var(--lake-light);
}

.page-contact .ct-hero__lead {
  margin: 0;
  max-width: 56ch;
  font-size: clamp(16px, 1.15vw, 18px);
  line-height: 1.9;
  color: var(--mist);
}

.page-contact .ct-quick {
  list-style: none;
  margin: clamp(8px, 1.6vw, 16px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--ct-line);
  border: 1px solid var(--ct-line);
}

.page-contact .ct-quick li {
  display: grid;
  gap: 6px;
  padding: clamp(16px, 2.4vw, 22px);
  background: var(--ink-2);
}

.page-contact .ct-quick__key {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--rock);
}

.page-contact .ct-quick__val {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(15px, 1.5vw, 19px);
  line-height: 1.4;
  color: var(--amber);
  overflow-wrap: anywhere;
}

.page-contact .ct-quick__note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--rock);
}

/* ---------- 章节骨架 ---------- */

.page-contact .ct-section {
  padding-block: var(--ct-sec-gap);
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-section h2 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(26px, 3.4vw, 44px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-contact .ct-section h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(19px, 2vw, 24px);
  line-height: 1.35;
  color: var(--mist);
}

.page-contact .section-no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--lake-light);
}

.page-contact .ct-sec-lead {
  margin: 12px 0 0;
  max-width: 56ch;
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.85;
  color: var(--rock);
}

.page-contact .ct-figure {
  margin: clamp(24px, 3.4vw, 40px) 0 clamp(28px, 4vw, 44px);
  border: 1px solid var(--ct-line);
  background: var(--ink-2);
}

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

.page-contact .ct-figure .media-frame__caption {
  padding: 12px clamp(14px, 2vw, 20px);
  font-size: 13px;
  line-height: 1.7;
  color: var(--rock);
  border-top: 1px solid var(--ct-line);
}

/* ---------- 三通道 ---------- */

.page-contact .ct-channels {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
}

.page-contact .ct-channel {
  position: relative;
  display: grid;
  gap: 10px;
  padding: clamp(20px, 3vw, 30px);
  padding-left: clamp(24px, 3.4vw, 36px);
  background: var(--ink-2);
  border: 1px solid var(--ct-line);
  border-left: 3px solid var(--lake);
  transition: background 0.25s var(--ease-track), border-color 0.25s var(--ease-track);
}

.page-contact .ct-channel:nth-child(2) {
  border-left-color: var(--violet-lift);
}

.page-contact .ct-channel:nth-child(3) {
  border-left-color: var(--amber);
}

.page-contact .ct-channel:hover {
  background: var(--ink-3);
  border-color: var(--hairline-strong);
}

.page-contact .ct-channel__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--rock);
}

.page-contact .ct-channel__addr {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.4vw, 17px);
  letter-spacing: 0.02em;
  color: var(--lake-light);
  overflow-wrap: anywhere;
}

.page-contact .ct-channel p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--rock);
}

.page-contact .ct-channel__fit {
  padding-top: 10px;
  border-top: 1px dashed var(--ct-line);
  color: var(--mist) !important;
  font-size: 14px !important;
}

/* ---------- 双栏 ---------- */

.page-contact .ct-two-col {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-contact .ct-col-main {
  min-width: 0;
}

/* ---------- 写信清单 ---------- */

.page-contact .ct-checks {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--ct-line);
  border: 1px solid var(--ct-line);
}

.page-contact .ct-check {
  position: relative;
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 14px;
  padding: clamp(16px, 2.4vw, 22px);
  background: var(--ink);
  cursor: pointer;
  transition: background 0.2s var(--ease-track);
}

.page-contact .ct-check:hover {
  background: var(--ink-2);
}

.page-contact .ct-check__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  margin: 0;
}

.page-contact .ct-check__box {
  position: relative;
  width: 20px;
  height: 20px;
  margin-top: 3px;
  border: 1px solid var(--hairline-strong);
  background: transparent;
  transition: background 0.2s var(--ease-track), border-color 0.2s var(--ease-track);
}

.page-contact .ct-check__input:checked + .ct-check__box {
  background: var(--amber);
  border-color: var(--amber);
}

.page-contact .ct-check__input:checked + .ct-check__box::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 1px;
  width: 5px;
  height: 11px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(38deg);
}

.page-contact .ct-check__input:focus-visible + .ct-check__box {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

.page-contact .ct-check__body {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.page-contact .ct-check__head {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-contact .ct-check__head strong {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--mist);
}

.page-contact .ct-check__no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--lake-light);
  letter-spacing: 0.16em;
}

.page-contact .ct-check__desc {
  font-size: 15px;
  line-height: 1.85;
  color: var(--rock);
}

.page-contact .ct-tip {
  margin: clamp(18px, 2.4vw, 24px) 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--amber);
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .ct-note {
  background: var(--sand);
  color: var(--ink);
  border: 1px solid rgba(6, 18, 26, 0.2);
  border-radius: 0;
  overflow: hidden;
}

.page-contact .ct-note img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--ink-2);
}

.page-contact .ct-note__body {
  padding: clamp(18px, 2.6vw, 26px);
}

.page-contact .ct-note__title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 18px;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-contact .ct-note__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: 15px;
  color: var(--ink);
}

.page-contact .ct-note__list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(6, 18, 26, 0.14);
}

.page-contact .ct-note__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .ct-note__list .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--amber-deep);
  letter-spacing: 0.1em;
}

.page-contact .ct-note__foot {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(6, 18, 26, 0.18);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: #1d3d4a;
  overflow-wrap: anywhere;
}

/* ---------- 响应时效 ---------- */

.page-contact .ct-stats {
  display: grid;
  gap: 1px;
  margin: clamp(24px, 3.4vw, 40px) 0 clamp(24px, 3.4vw, 36px);
  background: var(--ct-line);
  border: 1px solid var(--ct-line);
}

.page-contact .ct-stat {
  padding: clamp(22px, 3.4vw, 40px) clamp(20px, 3vw, 34px);
  background: var(--ink);
}

.page-contact .ct-stat__num {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(64px, 11vw, 128px);
  line-height: 0.92;
  letter-spacing: -0.04em;
  color: var(--amber);
}

.page-contact .ct-stat__num span {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: clamp(15px, 1.5vw, 20px);
  letter-spacing: 0.04em;
  color: var(--rock);
}

.page-contact .ct-stat:nth-child(2) .ct-stat__num {
  color: var(--lake-light);
}

.page-contact .ct-stat__label {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .ct-timing {
  display: grid;
  gap: 16px;
  max-width: 64ch;
}

.page-contact .ct-timing p {
  margin: 0;
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.9;
  color: var(--rock);
}

.page-contact .ct-timing p:first-child {
  color: var(--mist);
}

/* ---------- 自助入口 ---------- */

.page-contact .ct-routes {
  display: grid;
  gap: 1px;
  margin-top: clamp(24px, 3.4vw, 36px);
  background: var(--ct-line);
  border: 1px solid var(--ct-line);
}

.page-contact .ct-route {
  display: grid;
  gap: 10px;
  padding: clamp(20px, 3vw, 30px);
  background: var(--ink-2);
  color: var(--mist);
  text-decoration: none;
  border-top: 2px solid transparent;
  transition: background 0.25s var(--ease-track), border-color 0.25s var(--ease-track);
}

.page-contact .ct-route:hover,
.page-contact .ct-route:focus-visible {
  background: var(--ink-3);
  border-top-color: var(--amber);
}

.page-contact .ct-route:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: -2px;
}

.page-contact .ct-route__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--lake-light);
}

.page-contact .ct-route strong {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(18px, 1.9vw, 22px);
  line-height: 1.35;
}

.page-contact .ct-route__desc {
  font-size: 14px;
  line-height: 1.85;
  color: var(--rock);
}

.page-contact .ct-route__go {
  margin-top: 4px;
  font-size: 14px;
  font-weight: 700;
  color: var(--amber);
}

/* ---------- 合作与纠错 ---------- */

.page-contact .ct-block {
  display: grid;
  gap: 12px;
  padding-top: 18px;
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-block p {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--rock);
}

.page-contact .ct-fine {
  margin: clamp(28px, 4vw, 40px) 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--rock);
}

.page-contact .ct-fine a {
  color: var(--lake-light);
  text-decoration: none;
  border-bottom: 1px solid var(--hairline-strong);
}

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

.page-contact .ct-endband {
  height: 8px;
  background: linear-gradient(90deg, var(--lake) 0%, var(--violet-lift) 46%, var(--amber) 100%);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-contact .ct-quick {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

@media (min-width: 820px) {
  .page-contact .ct-routes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-contact .ct-two-col {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-contact .ct-note {
    position: sticky;
    top: 96px;
  }

  .page-contact .ct-two-col--even {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(28px, 3.4vw, 44px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-channel,
  .page-contact .ct-route,
  .page-contact .ct-check,
  .page-contact .ct-check__box {
    transition: none;
  }
}
<<<END>>>