.page-contact {
  --ct-body: #D6E2EC;
  --ct-dash: rgba(26, 20, 16, 0.34);
  --ct-night-dash: rgba(214, 226, 236, 0.22);
  --ct-paper-tint: rgba(26, 20, 16, 0.07);
}

/* ---------- 面包屑 ---------- */
.page-contact .crumbs {
  padding-top: 16px;
}

.page-contact .crumbs,
.page-contact .crumbs a {
  color: var(--mist-blue);
}

.page-contact .crumbs a:hover {
  color: var(--flash-orange);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  display: grid;
  gap: 26px;
  padding: 10px 0 40px;
}

.page-contact .ct-hero__title {
  font-family: var(--font-display);
  font-size: clamp(36px, 8.4vw, 74px);
  line-height: 1;
  letter-spacing: -0.02em;
  margin: 10px 0 0;
  color: var(--chalk-white);
}

.page-contact .ct-hero__lede {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ct-body);
}

.page-contact .ct-hero__facts {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .ct-hero__facts li {
  border-left: 3px solid var(--flash-orange);
  padding-left: 12px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ct-body);
}

.page-contact .ct-hero__facts .mono {
  display: inline-block;
  min-width: 62px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--signal-green);
}

.page-contact .ct-hero__side {
  border: var(--bw) solid var(--ink-brown);
  border-left: 8px solid var(--flash-orange);
  background: var(--stand-blue);
  box-shadow: var(--shadow-night);
  padding: 16px 18px 18px;
  transform: rotate(-0.7deg);
}

.page-contact .ct-hero__side-tag {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--signal-green);
}

.page-contact .ct-hero__stats {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-contact .ct-hero__stats > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  border-bottom: 1px dashed var(--ct-night-dash);
  padding-bottom: 8px;
}

.page-contact .ct-hero__stats > div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .ct-hero__stats dt {
  font-size: 13px;
  line-height: 1.5;
  color: var(--mist-blue);
}

.page-contact .ct-hero__stats dd {
  margin: 0;
  font-size: 15px;
  color: var(--chalk-white);
  white-space: nowrap;
}

/* ---------- 筛选条 ---------- */
.page-contact .filter-bar {
  margin-bottom: 30px;
}

/* ---------- 渠道分流表 ---------- */
.page-contact .ct-channels {
  padding: 30px 0 44px;
  border-top: 2px dashed var(--ct-night-dash);
}

.page-contact .ct-channels__intro {
  max-width: 64ch;
}

.page-contact .ct-channels .sec-title {
  color: var(--chalk-white);
}

.page-contact .ct-channels__note {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ct-body);
}

.page-contact .ct-channels__body {
  display: grid;
  gap: 22px;
  margin-top: 24px;
}

.page-contact .ct-channel-grid {
  display: grid;
  gap: 18px;
}

.page-contact .ct-channel {
  display: flex;
  flex-direction: column;
  border: var(--bw) solid var(--ink-brown);
  background: var(--paper-cream);
  box-shadow: var(--shadow-hard);
  transition: box-shadow 240ms var(--ease), transform 240ms var(--ease);
}

.page-contact .ct-channel:hover {
  box-shadow: 12px 12px 0 var(--ink-brown);
  transform: translateY(-4px);
}

.page-contact .ct-channel__head {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  background: var(--flash-orange);
  color: var(--ink-brown);
  border-bottom: var(--bw) solid var(--ink-brown);
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: 0.01em;
}

.page-contact .ct-channel__idx {
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 24px;
  font-size: 12px;
  background: var(--ink-brown);
  color: var(--flash-orange);
  flex: none;
}

.page-contact .ct-channel__body {
  display: grid;
  gap: 0;
  padding: 6px 14px 14px;
}

.page-contact .ct-channel__row {
  padding: 10px 0;
  border-bottom: 1px dashed var(--ct-dash);
}

.page-contact .ct-channel__k {
  margin: 0 0 4px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--paper-shade);
}

.page-contact .ct-channel__v {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.62;
  color: var(--ink-brown);
}

.page-contact .ct-channel__note {
  margin: 12px 0 0;
  padding-left: 10px;
  border-left: 4px solid var(--ember-red);
  font-family: var(--font-serif);
  font-size: 13px;
  line-height: 1.7;
  color: var(--paper-shade);
  opacity: 0.6;
  transition: opacity 200ms var(--ease);
}

.page-contact .ct-channel:hover .ct-channel__note {
  opacity: 1;
}

/* ---------- 图片容器 ---------- */
.page-contact .ct-figure {
  margin: 0;
  border: var(--bw) solid var(--ink-brown);
  box-shadow: var(--shadow-hard);
  background: var(--stand-blue);
}

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

.page-contact .ct-figure figcaption {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: 9px 12px;
  background: var(--ink-brown);
  color: var(--paper-cream);
}

/* ---------- 纠错要点 ---------- */
.page-contact .ct-fix {
  padding: clamp(18px, 2.6vw, 34px);
  margin: 0 0 30px;
}

.page-contact .ct-fix__grid {
  display: grid;
  gap: 24px;
}

.page-contact .ct-fix__lede {
  margin: 14px 0 20px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-brown);
}

.page-contact .ct-check {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .ct-check__item {
  border-bottom: 1px dashed var(--ct-dash);
}

.page-contact .ct-check__item:last-child {
  border-bottom: 0;
}

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

.page-contact .ct-check__label {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 12px 4px;
  cursor: pointer;
}

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

.page-contact .ct-check__no {
  position: relative;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  font-size: 13px;
  background: var(--ink-brown);
  color: var(--paper-cream);
  border: 2px solid var(--ink-brown);
  transition: background 200ms var(--ease), color 200ms var(--ease);
}

.page-contact .ct-check__box:checked + .ct-check__label .ct-check__no {
  background: var(--signal-green);
  color: var(--ink-brown);
}

.page-contact .ct-check__box:checked + .ct-check__label .ct-check__no span {
  opacity: 0;
}

.page-contact .ct-check__box:checked + .ct-check__label .ct-check__no::after {
  content: "✓";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 16px;
  font-weight: 700;
}

.page-contact .ct-check__text {
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-brown);
}

.page-contact .ct-check__text code {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--ct-paper-tint);
  padding: 1px 5px;
  border-bottom: 2px solid var(--flash-orange);
}

.page-contact .ct-check__text a {
  color: var(--ember-red);
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

.page-contact .ct-check__text a:hover {
  color: var(--ink-brown);
  background: var(--flash-orange);
}

/* ---------- 处理流程状态条 ---------- */
.page-contact .ct-flow-wrap {
  padding: clamp(18px, 2.6vw, 34px);
  margin: 0 0 30px;
}

.page-contact .ct-flow__lede {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-brown);
}

.page-contact .ct-flow {
  position: relative;
  margin-top: 22px;
}

.page-contact .ct-flow__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .ct-flow__track {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: var(--bw) solid var(--ink-brown);
  background: var(--paper-cream);
}

.page-contact .ct-flow__step {
  display: grid;
  gap: 6px;
  padding: 12px;
  cursor: pointer;
  border-right: 2px dashed var(--ct-dash);
  border-bottom: 2px dashed var(--ct-dash);
  color: var(--ink-brown);
  transition: background 180ms var(--ease), color 180ms var(--ease);
}

.page-contact .ct-flow__step:nth-child(2n) {
  border-right: 0;
}

.page-contact .ct-flow__step:nth-child(n + 3) {
  border-bottom: 0;
}

.page-contact .ct-flow__no {
  font-size: 11px;
  letter-spacing: 0.12em;
  opacity: 0.72;
}

.page-contact .ct-flow__name {
  font-family: var(--font-display);
  font-size: 19px;
  line-height: 1.2;
}

.page-contact .ct-flow__radio:nth-of-type(1):checked ~ .ct-flow__track .ct-flow__step:nth-child(1),
.page-contact .ct-flow__radio:nth-of-type(2):checked ~ .ct-flow__track .ct-flow__step:nth-child(2),
.page-contact .ct-flow__radio:nth-of-type(3):checked ~ .ct-flow__track .ct-flow__step:nth-child(3),
.page-contact .ct-flow__radio:nth-of-type(4):checked ~ .ct-flow__track .ct-flow__step:nth-child(4) {
  background: var(--flash-orange);
  color: var(--ink-brown);
}

.page-contact .ct-flow__radio:focus-visible ~ .ct-flow__track .ct-flow__step {
  outline-offset: -4px;
}

.page-contact .ct-flow__radio:nth-of-type(1):focus-visible ~ .ct-flow__track .ct-flow__step:nth-child(1),
.page-contact .ct-flow__radio:nth-of-type(2):focus-visible ~ .ct-flow__track .ct-flow__step:nth-child(2),
.page-contact .ct-flow__radio:nth-of-type(3):focus-visible ~ .ct-flow__track .ct-flow__step:nth-child(3),
.page-contact .ct-flow__radio:nth-of-type(4):focus-visible ~ .ct-flow__track .ct-flow__step:nth-child(4) {
  outline: 3px solid var(--signal-green);
  outline-offset: -4px;
}

.page-contact .ct-flow__panel {
  display: none;
  border: var(--bw) solid var(--ink-brown);
  border-top: 0;
  background: var(--chalk-white);
  padding: 14px 16px;
}

.page-contact .ct-flow__radio:nth-of-type(1):checked ~ .ct-flow__panels .ct-flow__panel:nth-child(1),
.page-contact .ct-flow__radio:nth-of-type(2):checked ~ .ct-flow__panels .ct-flow__panel:nth-child(2),
.page-contact .ct-flow__radio:nth-of-type(3):checked ~ .ct-flow__panels .ct-flow__panel:nth-child(3),
.page-contact .ct-flow__radio:nth-of-type(4):checked ~ .ct-flow__panels .ct-flow__panel:nth-child(4) {
  display: block;
}

.page-contact .ct-flow__panel p {
  margin: 0 0 6px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-brown);
}

.page-contact .ct-flow__panel p:last-child {
  margin-bottom: 0;
}

.page-contact .ct-flow__panel a {
  color: var(--ember-red);
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

.page-contact .ct-flow__owner {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--paper-shade);
}

/* ---------- 回应节奏数据带 ---------- */
.page-contact .ct-timing {
  padding: clamp(20px, 2.8vw, 34px);
  margin: 0 0 30px;
}

.page-contact .ct-timing .sec-title {
  color: var(--chalk-white);
}

.page-contact .ct-timing__grid {
  display: grid;
  gap: 20px;
  margin-top: 22px;
}

.page-contact .ct-timing__cell {
  border-left: 3px solid var(--signal-green);
  padding-left: 12px;
}

.page-contact .ct-timing__no {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--flash-orange);
}

.page-contact .ct-timing__k {
  margin: 0 0 5px;
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.25;
  color: var(--chalk-white);
}

.page-contact .ct-timing__v {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--mist-blue);
}

/* ---------- 合作与授权 ---------- */
.page-contact .ct-coop {
  padding: clamp(18px, 2.6vw, 34px);
  margin: 0 0 30px;
}

.page-contact .ct-coop__grid {
  display: grid;
  gap: 22px;
  margin-top: 20px;
}

.page-contact .ct-coop__col {
  border-top: 6px solid var(--ink-brown);
  padding-top: 14px;
}

.page-contact .ct-coop__h {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 21px;
  line-height: 1.25;
  color: var(--ink-brown);
}

.page-contact .ct-coop__p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-brown);
}

.page-contact .ct-coop__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-contact .ct-coop__list li {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  letter-spacing: 0.01em;
  color: var(--paper-shade);
  border-bottom: 1px dashed var(--ct-dash);
  padding-bottom: 7px;
}

.page-contact .ct-coop__foot {
  margin: 20px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-brown);
}

.page-contact .ct-coop__foot a {
  color: var(--ember-red);
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

.page-contact .ct-coop__foot a:hover {
  color: var(--ink-brown);
  background: var(--flash-orange);
}

/* ---------- 相关栏目索引 ---------- */
.page-contact .ct-related {
  padding: clamp(18px, 2.6vw, 34px);
  margin: 0 0 30px;
}

.page-contact .ct-related__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .ct-related__list li {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--ct-dash);
}

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

.page-contact .ct-related__list a {
  font-family: var(--font-display);
  font-size: 19px;
  line-height: 1.3;
  color: var(--ink-brown);
  text-decoration: none;
  display: inline-flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
}

.page-contact .ct-related__list a:hover {
  color: var(--ember-red);
}

.page-contact .ct-related__path {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--flash-orange);
}

.page-contact .ct-related__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper-shade);
}

/* ---------- 联系信纸面板 ---------- */
.page-contact .ct-letter {
  padding: clamp(20px, 2.8vw, 36px);
  margin: 0 0 40px;
}

.page-contact .ct-letter__head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  border-bottom: 6px solid var(--ink-brown);
  padding-bottom: 10px;
  margin-bottom: 16px;
}

.page-contact .ct-letter__brand {
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--ink-brown);
}

.page-contact .ct-letter__code {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--paper-shade);
}

.page-contact .ct-letter__rows {
  margin: 0;
  display: grid;
}

.page-contact .ct-letter__rows > div {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--ct-dash);
}

.page-contact .ct-letter__rows > div:last-child {
  border-bottom: 0;
}

.page-contact .ct-letter__rows dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--paper-shade);
  padding-top: 3px;
}

.page-contact .ct-letter__rows dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--ink-brown);
  word-break: break-word;
}

.page-contact .ct-letter__rows dd.mono {
  font-size: 15px;
}

.page-contact .ct-letter__note {
  margin: 18px 0 0;
  padding-left: 12px;
  border-left: 4px solid var(--ember-red);
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.78;
  color: var(--paper-shade);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .ct-flow__track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .ct-flow__step {
    border-bottom: 0;
  }

  .page-contact .ct-flow__step:nth-child(2n) {
    border-right: 2px dashed var(--ct-dash);
  }

  .page-contact .ct-flow__step:last-child {
    border-right: 0;
  }

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

@media (min-width: 760px) {
  .page-contact .ct-channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ct-coop__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
  }
}

@media (min-width: 940px) {
  .page-contact .ct-fix__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 32px;
    align-items: start;
  }

  .page-contact .ct-check__label {
    padding: 13px 4px;
  }
}

@media (min-width: 1000px) {
  .page-contact .ct-hero {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: end;
    gap: 40px;
    padding: 16px 0 52px;
  }
}

@media (min-width: 1080px) {
  .page-contact .ct-timing__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .page-contact .ct-channels__body {
    grid-template-columns: minmax(0, 1.75fr) minmax(0, 1fr);
    gap: 28px;
    align-items: start;
  }

  .page-contact .ct-channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .ct-channel__body {
    padding: 6px 12px 12px;
  }
}
<<<END>>>