.page-contact {
  --ct-soft: #131A23;
  --ct-radius: 6px;
}

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

.page-contact .section {
  padding-block: 46px;
}

.page-contact h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(25px, 3.4vw, 37px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--c-mist);
  margin: 10px 0 0;
}

.page-contact .breadcrumb {
  padding-top: 20px;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding-block: 22px 10px;
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: 28px;
}

.page-contact .ct-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(31px, 5.6vw, 57px);
  line-height: 1.06;
  letter-spacing: -0.012em;
  color: var(--c-mist);
  margin: 14px 0 0;
  max-width: 15ch;
}

.page-contact .ct-hero__lede {
  margin: 18px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--c-rock);
  max-width: 42em;
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .ct-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--c-graphite);
  border: 2px solid var(--c-graphite);
  margin: 30px 0 0;
  padding: 0;
}

.page-contact .ct-hero__fact {
  background: var(--c-panel);
  padding: 14px 16px;
  min-width: 0;
}

.page-contact .ct-hero__fact dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-rock);
}

.page-contact .ct-hero__fact dd {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 18px;
  letter-spacing: 0.02em;
  color: var(--c-cyan);
}

.page-contact .ct-hero__figure {
  margin: 0;
  padding: 0;
  border: 2px solid var(--c-graphite);
  background: var(--c-panel);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 26px 100%, 0 calc(100% - 26px));
}

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

/* ---------- 合作方向 ---------- */
.page-contact .ct-dir-sec__lede {
  margin: 15px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-rock);
  max-width: 46em;
}

.page-contact .ct-dir {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

.page-contact .ct-dir__nav {
  display: grid;
  gap: 10px;
}

.page-contact .ct-dir__item {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  background: var(--c-panel);
  border: 2px solid var(--c-graphite);
  border-left: 6px solid var(--c-graphite);
  cursor: pointer;
  transition: border-color 0.22s var(--ease), background-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-contact .ct-dir__item:hover {
  transform: translateX(2px);
  border-color: var(--c-cyan);
}

.page-contact .ct-dir__num {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--c-rock);
}

.page-contact .ct-dir__name {
  font-size: 15px;
  font-weight: 800;
  color: var(--c-mist);
  min-width: 0;
}

.page-contact .ct-dir__meta {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--c-rock);
  white-space: nowrap;
}

.page-contact #ct-dir-data:checked ~ .ct-dir__nav [for="ct-dir-data"],
.page-contact #ct-dir-team:checked ~ .ct-dir__nav [for="ct-dir-team"],
.page-contact #ct-dir-channel:checked ~ .ct-dir__nav [for="ct-dir-channel"],
.page-contact #ct-dir-content:checked ~ .ct-dir__nav [for="ct-dir-content"] {
  border-color: var(--c-graphite);
  border-left-color: var(--c-lava);
  background: var(--ct-soft);
}

.page-contact #ct-dir-data:checked ~ .ct-dir__nav [for="ct-dir-data"] .ct-dir__num,
.page-contact #ct-dir-team:checked ~ .ct-dir__nav [for="ct-dir-team"] .ct-dir__num,
.page-contact #ct-dir-channel:checked ~ .ct-dir__nav [for="ct-dir-channel"] .ct-dir__num,
.page-contact #ct-dir-content:checked ~ .ct-dir__nav [for="ct-dir-content"] .ct-dir__num {
  color: var(--c-lava);
}

.page-contact #ct-dir-data:focus-visible ~ .ct-dir__nav [for="ct-dir-data"],
.page-contact #ct-dir-team:focus-visible ~ .ct-dir__nav [for="ct-dir-team"],
.page-contact #ct-dir-channel:focus-visible ~ .ct-dir__nav [for="ct-dir-channel"],
.page-contact #ct-dir-content:focus-visible ~ .ct-dir__nav [for="ct-dir-content"] {
  outline: 2px solid var(--c-cyan);
  outline-offset: 4px;
}

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

.page-contact .ct-dir__panel {
  display: none;
  background: var(--c-panel);
  border: 2px solid var(--c-graphite);
  padding: 22px 20px;
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

.page-contact #ct-dir-data:checked ~ .ct-dir__body .ct-dir__panel--data,
.page-contact #ct-dir-team:checked ~ .ct-dir__body .ct-dir__panel--team,
.page-contact #ct-dir-channel:checked ~ .ct-dir__body .ct-dir__panel--channel,
.page-contact #ct-dir-content:checked ~ .ct-dir__body .ct-dir__panel--content {
  display: block;
}

.page-contact .ct-dir__head h3 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 22px;
  color: var(--c-mist);
  margin: 12px 0 0;
}

.page-contact .ct-dir__cycle {
  margin: 10px 0 0;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--c-lava);
}

.page-contact .ct-dir__rows {
  margin-top: 18px;
  border-top: 2px solid var(--c-graphite);
}

.page-contact .ct-dir__row {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid var(--c-graphite);
}

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

.page-contact .ct-dir__label {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-cyan);
}

.page-contact .ct-dir__row p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--c-mist);
}

/* ---------- 流程 ---------- */
.page-contact .ct-flow__list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .ct-flow__step {
  position: relative;
  background: var(--c-panel);
  border: 2px solid var(--c-graphite);
  padding: 18px 18px 20px;
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-contact .ct-flow__step:hover {
  border-color: var(--c-cyan);
  transform: translateY(-2px);
}

.page-contact .ct-flow__num {
  display: block;
  font-size: 26px;
  letter-spacing: 0.04em;
  color: var(--c-teal);
}

.page-contact .ct-flow__step h3 {
  margin: 10px 0 0;
  font-size: 18px;
  font-weight: 800;
  color: var(--c-mist);
}

.page-contact .ct-flow__step p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--c-rock);
}

.page-contact .ct-flow__step .ct-flow__cycle {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--c-cyan);
}

.page-contact .ct-flow__step .ct-flow__out {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--c-mist);
  border-top: 1px dashed var(--c-graphite);
  padding-top: 10px;
}

.page-contact .ct-flow__figure {
  margin: 32px 0 0;
  border: 2px solid var(--c-graphite);
  background: var(--c-panel);
}

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

/* ---------- 材料清单 ---------- */
.page-contact .ct-prep__wrap {
  position: relative;
  display: grid;
  gap: 20px;
  margin-top: 28px;
}

.page-contact .ct-prep__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .ct-prep__item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px;
  background: var(--c-panel);
  border: 2px solid var(--c-graphite);
  cursor: pointer;
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-contact .ct-prep__item:hover {
  border-color: var(--c-cyan);
}

.page-contact .ct-prep__tick {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  border: 2px solid var(--c-rock);
  transition: background-color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .ct-prep__txt {
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--c-rock);
}

.page-contact .ct-prep__txt b {
  color: var(--c-mist);
  font-weight: 800;
  margin-right: 6px;
}

.page-contact #ct-prep-1:checked ~ .ct-prep__box [for="ct-prep-1"],
.page-contact #ct-prep-2:checked ~ .ct-prep__box [for="ct-prep-2"],
.page-contact #ct-prep-3:checked ~ .ct-prep__box [for="ct-prep-3"],
.page-contact #ct-prep-4:checked ~ .ct-prep__box [for="ct-prep-4"] {
  background: var(--ct-soft);
  border-color: var(--c-teal);
}

.page-contact #ct-prep-1:checked ~ .ct-prep__box [for="ct-prep-1"] .ct-prep__tick,
.page-contact #ct-prep-2:checked ~ .ct-prep__box [for="ct-prep-2"] .ct-prep__tick,
.page-contact #ct-prep-3:checked ~ .ct-prep__box [for="ct-prep-3"] .ct-prep__tick,
.page-contact #ct-prep-4:checked ~ .ct-prep__box [for="ct-prep-4"] .ct-prep__tick {
  background: var(--c-green);
  border-color: var(--c-green);
}

.page-contact #ct-prep-1:checked ~ .ct-prep__box [for="ct-prep-1"] .ct-prep__tick::after,
.page-contact #ct-prep-2:checked ~ .ct-prep__box [for="ct-prep-2"] .ct-prep__tick::after,
.page-contact #ct-prep-3:checked ~ .ct-prep__box [for="ct-prep-3"] .ct-prep__tick::after,
.page-contact #ct-prep-4:checked ~ .ct-prep__box [for="ct-prep-4"] .ct-prep__tick::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border: solid var(--c-void);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

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

.page-contact .ct-prep__brief {
  position: relative;
  min-width: 0;
  background: var(--c-panel);
  border: 2px solid var(--c-graphite);
  padding: 22px 20px;
}

.page-contact .ct-prep__brief::before {
  content: "BRIEF";
  position: absolute;
  top: 0;
  left: 0;
  background: var(--c-lava);
  color: var(--c-void);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  padding: 4px 10px;
}

.page-contact .ct-prep__brief-title {
  margin: 8px 0 0;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--c-rock);
}

.page-contact .ct-prep__sentence {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--c-mist);
}

.page-contact .ct-prep__hello {
  color: var(--c-mist);
}

.page-contact .ct-prep__empty {
  color: var(--c-rock);
}

.page-contact .ct-prep__chunk {
  display: none;
  color: var(--c-cyan);
}

.page-contact #ct-prep-1:checked ~ .ct-prep__brief [data-chunk="1"],
.page-contact #ct-prep-2:checked ~ .ct-prep__brief [data-chunk="2"],
.page-contact #ct-prep-3:checked ~ .ct-prep__brief [data-chunk="3"],
.page-contact #ct-prep-4:checked ~ .ct-prep__brief [data-chunk="4"] {
  display: inline;
}

.page-contact .ct-prep__wrap:has(.ct-prep__check:checked) .ct-prep__empty {
  display: none;
}

.page-contact .ct-prep__tail {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--c-graphite);
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-rock);
}

/* ---------- 赛季窗口 ---------- */
.page-contact .ct-season__lede {
  margin: 15px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-rock);
  max-width: 44em;
}

.page-contact .ct-season__band {
  margin-top: 30px;
}

.page-contact .ct-season__track {
  height: 2px;
  background: linear-gradient(90deg, var(--c-teal), var(--c-graphite) 72%, transparent);
}

.page-contact .ct-season__nodes {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .ct-season__node {
  position: relative;
  background: var(--c-panel);
  border: 2px solid var(--c-graphite);
  padding: 18px 16px;
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-contact .ct-season__node:hover,
.page-contact .ct-season__node:focus-visible {
  border-color: var(--c-cyan);
  transform: translateY(-2px);
  outline: none;
}

.page-contact .ct-season__node:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 3px;
}

.page-contact .ct-season__dot {
  display: block;
  width: 10px;
  height: 10px;
  background: var(--c-rock);
  box-shadow: 0 0 0 3px rgba(140, 151, 163, 0.16);
}

.page-contact .ct-season__node--best .ct-season__dot {
  background: var(--c-green);
  box-shadow: 0 0 0 3px rgba(134, 243, 90, 0.18);
}

.page-contact .ct-season__label {
  display: block;
  margin-top: 12px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-mist);
}

.page-contact .ct-season__node--best .ct-season__label {
  color: var(--c-green);
}

.page-contact .ct-season__tip {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-rock);
  transition: color 0.2s var(--ease);
}

.page-contact .ct-season__node:hover .ct-season__tip,
.page-contact .ct-season__node:focus-visible .ct-season__tip {
  color: var(--c-mist);
}

/* ---------- 常见问题 ---------- */
.page-contact .ct-faq__list {
  margin-top: 26px;
  display: grid;
  gap: 10px;
}

.page-contact .ct-faq__item {
  background: var(--c-panel);
  border: 2px solid var(--c-graphite);
  transition: border-color 0.2s var(--ease);
}

.page-contact .ct-faq__item[open] {
  border-color: var(--c-teal);
}

.page-contact .ct-faq__q {
  cursor: pointer;
  list-style: none;
  padding: 16px 18px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
  font-size: 15px;
  font-weight: 700;
  color: var(--c-mist);
}

.page-contact .ct-faq__q::-webkit-details-marker {
  display: none;
}

.page-contact .ct-faq__q::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  color: var(--c-cyan);
}

.page-contact .ct-faq__item[open] .ct-faq__q::after {
  content: "−";
}

.page-contact .ct-faq__a {
  margin: 0;
  padding: 0 18px 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-rock);
}

/* ---------- 联系方式 ---------- */
.page-contact .ct-contact__card {
  position: relative;
  background: var(--c-panel);
  border: 2px solid var(--c-graphite);
  padding: 34px 20px 26px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.page-contact .ct-contact__card::before {
  content: "CONTACT";
  position: absolute;
  top: 0;
  left: 0;
  background: var(--c-lava);
  color: var(--c-void);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  padding: 5px 12px;
}

.page-contact .ct-contact__list {
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .ct-contact__row {
  display: grid;
  gap: 5px;
  padding: 14px 0;
  border-bottom: 1px solid var(--c-graphite);
}

.page-contact .ct-contact__row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-rock);
}

.page-contact .ct-contact__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-mist);
}

.page-contact .ct-contact__row dd .mono {
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--c-cyan);
  word-break: break-all;
}

.page-contact .ct-contact__note {
  margin: 20px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--c-rock);
}

.page-contact .ct-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- 下一步 ---------- */
.page-contact .ct-next__grid {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.page-contact .ct-next__card {
  display: block;
  text-decoration: none;
  padding: 20px 18px;
  background: var(--c-panel);
  border: 2px solid var(--c-graphite);
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease), background-color 0.22s var(--ease);
}

.page-contact .ct-next__card:hover,
.page-contact .ct-next__card:focus-visible {
  border-color: var(--c-cyan);
  background: var(--ct-soft);
  transform: translateY(-2px);
}

.page-contact .ct-next__k {
  display: block;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--c-rock);
}

.page-contact .ct-next__t {
  display: block;
  margin-top: 10px;
  font-size: 17px;
  font-weight: 800;
  color: var(--c-mist);
}

.page-contact .ct-next__d {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.72;
  color: var(--c-rock);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .ct-dir__row {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 18px;
  }

  .page-contact .ct-contact__row {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

@media (min-width: 780px) {
  .page-contact .ct-season__nodes {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

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

@media (min-width: 880px) {
  .page-contact .section {
    padding-block: 68px;
  }

  .page-contact .ct-flow__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .ct-flow__step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 34px;
    right: -18px;
    width: 18px;
    border-top: 2px dashed var(--c-graphite);
  }

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

@media (min-width: 900px) {
  .page-contact .ct-dir {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: 30px;
    align-items: start;
  }

  .page-contact .ct-prep__wrap {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 28px;
    align-items: start;
  }

  .page-contact .ct-contact__card {
    padding: 42px 38px 34px;
  }
}

@media (min-width: 940px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 44px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-dir__item,
  .page-contact .ct-flow__step,
  .page-contact .ct-season__node,
  .page-contact .ct-prep__item,
  .page-contact .ct-next__card,
  .page-contact .ct-season__tip,
  .page-contact .ct-prep__tick {
    transition: none;
  }

  .page-contact .ct-dir__item:hover,
  .page-contact .ct-flow__step:hover,
  .page-contact .ct-season__node:hover,
  .page-contact .ct-next__card:hover {
    transform: none;
  }
}
<<<END>>>