.page-contact {
  --pc-lead: #CFDDD7;
  --pc-line-soft: rgba(30, 76, 65, 0.65);
  --pc-brown-soft: rgba(38, 30, 24, 0.22);
  position: relative;
  isolation: isolate;
  overflow-x: hidden;
  padding-bottom: clamp(44px, 7vw, 96px);
}

.page-contact::before {
  content: "";
  position: absolute;
  top: 4%;
  left: 6%;
  width: 2px;
  height: 88%;
  background: linear-gradient(180deg, rgba(198, 255, 61, 0.45), rgba(198, 255, 61, 0) 76%);
  transform: rotate(21deg);
  transform-origin: top center;
  pointer-events: none;
  z-index: 0;
}

.page-contact > * {
  position: relative;
  z-index: 1;
}

/* ---------- 状态通栏 ---------- */
.page-contact .pc-statusbar {
  border-bottom: 1px solid var(--mk-line);
  background: var(--mk-ink-2);
}

.page-contact .pc-statusbar__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  padding-top: 10px;
  padding-bottom: 10px;
}

.page-contact .pc-statusbar__k {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--mk-mist);
  text-transform: uppercase;
}

.page-contact .pc-statusbar__v {
  font-size: 0.8125rem;
  color: var(--mk-orange);
}

.page-contact .pc-statusbar__sep {
  color: var(--mk-line);
}

.page-contact .pc-state {
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

.page-contact .pc-state__bar {
  display: block;
  width: 8px;
  height: 8px;
  background: var(--mk-line);
}

.page-contact .pc-state__bar.is-on {
  background: var(--mk-lime);
}

.page-contact .pc-state__text {
  margin-left: 6px;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--mk-mist);
}

/* ---------- 外壳 ---------- */
.page-contact .pc-shell {
  padding-top: clamp(18px, 3vw, 32px);
}

.page-contact .pc-link {
  color: var(--mk-lime);
  text-decoration: none;
  border-bottom: 1px solid var(--mk-lime-deep);
  padding-bottom: 1px;
  transition: color 0.16s ease, border-color 0.16s ease;
}

.page-contact .pc-link:hover,
.page-contact .pc-link:focus-visible {
  color: var(--mk-lime-deep);
  border-bottom-color: var(--mk-lime);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  margin-top: clamp(18px, 3vw, 28px);
  padding-bottom: clamp(26px, 4vw, 44px);
  border-bottom: 1px dashed var(--pc-line-soft);
}

.page-contact .pc-hero__title {
  margin: 12px 0 0;
  font-family: var(--mk-serif);
  font-weight: 900;
  font-size: clamp(2rem, 6vw, 3.6rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--mk-white);
  max-width: 20ch;
}

.page-contact .pc-hero__lead {
  margin: 16px 0 0;
  max-width: 60ch;
  font-family: var(--mk-sans);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--pc-lead);
}

.page-contact .pc-hero__meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 18px 0 0;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--mk-mist);
}

.page-contact .pc-hero__dot {
  width: 8px;
  height: 8px;
  background: var(--mk-orange);
  border-radius: 50%;
  flex: 0 0 auto;
}

/* ---------- 章节标题 ---------- */
.page-contact .pc-h2 {
  margin: 8px 0 0;
  font-family: var(--mk-serif);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.4vw, 2.3rem);
  line-height: 1.28;
  letter-spacing: -0.015em;
  color: var(--mk-white);
}

.page-contact .pc-h2--light {
  color: var(--mk-white);
}

.page-contact .pc-h2--brown {
  color: var(--mk-brown);
}

.page-contact .pc-eyebrow--brown {
  color: #6B7F55;
}

/* ---------- 四类合作 ---------- */
.page-contact .pc-tracks {
  margin-top: clamp(32px, 5vw, 56px);
}

.page-contact .pc-tracks__head {
  margin-bottom: clamp(16px, 2.4vw, 24px);
}

.page-contact .pc-track__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
}

.page-contact .pc-tracks__board {
  display: grid;
  gap: 16px;
}

.page-contact .pc-tracks__list {
  display: flex;
  flex-direction: row;
  gap: 10px;
  overflow-x: auto;
  padding: 2px 2px 10px;
  scrollbar-width: thin;
}

.page-contact .pc-track {
  position: relative;
  flex: 0 0 auto;
  min-width: 216px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 14px 16px;
  border: 2px solid var(--mk-line);
  border-radius: 10px;
  background: var(--mk-ink-2);
  cursor: pointer;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.page-contact .pc-track:hover {
  border-color: var(--mk-lime-deep);
  transform: translateY(-2px);
}

.page-contact .pc-track__num {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--mk-lime);
}

.page-contact .pc-track__name {
  font-family: var(--mk-condensed);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.01em;
  color: var(--mk-white);
}

.page-contact .pc-track__sub {
  font-family: var(--mk-sans);
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--mk-mist);
}

.page-contact #pc-t1:checked ~ .pc-tracks__board .pc-track--1,
.page-contact #pc-t2:checked ~ .pc-tracks__board .pc-track--2,
.page-contact #pc-t3:checked ~ .pc-tracks__board .pc-track--3,
.page-contact #pc-t4:checked ~ .pc-tracks__board .pc-track--4 {
  background: var(--mk-lime);
  border-color: var(--mk-lime);
  transform: translateY(-2px);
}

.page-contact #pc-t1:checked ~ .pc-tracks__board .pc-track--1 .pc-track__num,
.page-contact #pc-t2:checked ~ .pc-tracks__board .pc-track--2 .pc-track__num,
.page-contact #pc-t3:checked ~ .pc-tracks__board .pc-track--3 .pc-track__num,
.page-contact #pc-t4:checked ~ .pc-tracks__board .pc-track--4 .pc-track__num {
  color: rgba(38, 30, 24, 0.6);
}

.page-contact #pc-t1:checked ~ .pc-tracks__board .pc-track--1 .pc-track__name,
.page-contact #pc-t2:checked ~ .pc-tracks__board .pc-track--2 .pc-track__name,
.page-contact #pc-t3:checked ~ .pc-tracks__board .pc-track--3 .pc-track__name,
.page-contact #pc-t4:checked ~ .pc-tracks__board .pc-track--4 .pc-track__name {
  color: var(--mk-brown);
}

.page-contact #pc-t1:checked ~ .pc-tracks__board .pc-track--1 .pc-track__sub,
.page-contact #pc-t2:checked ~ .pc-tracks__board .pc-track--2 .pc-track__sub,
.page-contact #pc-t3:checked ~ .pc-tracks__board .pc-track--3 .pc-track__sub,
.page-contact #pc-t4:checked ~ .pc-tracks__board .pc-track--4 .pc-track__sub {
  color: rgba(38, 30, 24, 0.72);
}

.page-contact #pc-t1:focus-visible ~ .pc-tracks__board .pc-track--1,
.page-contact #pc-t2:focus-visible ~ .pc-tracks__board .pc-track--2,
.page-contact #pc-t3:focus-visible ~ .pc-tracks__board .pc-track--3,
.page-contact #pc-t4:focus-visible ~ .pc-tracks__board .pc-track--4 {
  outline: 3px solid var(--mk-lime);
  outline-offset: 3px;
}

.page-contact .pc-panel {
  display: none;
  border: 2px solid var(--mk-lime);
  border-radius: var(--mk-radius);
  background: var(--mk-ink-2);
  box-shadow: var(--mk-shadow);
  padding: 20px 18px 18px;
}

.page-contact #pc-t1:checked ~ .pc-tracks__board .pc-panel--1,
.page-contact #pc-t2:checked ~ .pc-tracks__board .pc-panel--2,
.page-contact #pc-t3:checked ~ .pc-tracks__board .pc-panel--3,
.page-contact #pc-t4:checked ~ .pc-tracks__board .pc-panel--4 {
  display: block;
}

.page-contact .pc-panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 14px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--pc-line-soft);
}

.page-contact .pc-panel__title {
  margin: 0;
  font-family: var(--mk-serif);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--mk-white);
}

.page-contact .pc-panel__cycle {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--mk-lime);
  border: 1px solid var(--mk-line);
  border-radius: 999px;
  padding: 3px 10px;
  white-space: nowrap;
}

.page-contact .pc-panel__scope {
  margin: 14px 0 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--pc-lead);
}

.page-contact .pc-panel__label {
  margin: 16px 0 0;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--mk-mist);
  text-transform: uppercase;
}

.page-contact .pc-panel__list {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  display: grid;
  gap: 7px;
}

.page-contact .pc-panel__list li {
  position: relative;
  padding-left: 16px;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--mk-white);
}

.page-contact .pc-panel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 6px;
  height: 6px;
  background: var(--mk-lime);
}

.page-contact .pc-panel__foot {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--pc-line-soft);
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--mk-mist);
}

/* ---------- 三步流程 ---------- */
.page-contact .pc-flow {
  position: relative;
  overflow: hidden;
  margin-top: clamp(34px, 5vw, 60px);
  border: 2px solid var(--mk-line);
  border-radius: var(--mk-radius);
  background: var(--mk-ink-2);
}

.page-contact .pc-flow__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .pc-flow__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
}

.page-contact .pc-flow__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(104deg, var(--mk-ink) 10%, rgba(11, 30, 25, 0.78) 58%, rgba(11, 30, 25, 0.42) 100%);
}

.page-contact .pc-flow__body {
  position: relative;
  z-index: 1;
  padding: clamp(20px, 4vw, 40px);
}

.page-contact .pc-steps {
  list-style: none;
  display: grid;
  gap: 20px;
  margin: clamp(18px, 3vw, 30px) 0 0;
  padding: 0;
}

.page-contact .pc-step {
  position: relative;
  border: 2px solid var(--mk-line);
  border-radius: 10px;
  background: rgba(18, 50, 43, 0.9);
  padding: 16px 16px 14px;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.page-contact .pc-step:hover,
.page-contact .pc-step:focus-within {
  border-color: var(--mk-lime);
  transform: translateY(-2px);
}

.page-contact .pc-step__num {
  display: inline-block;
  min-width: 34px;
  padding: 2px 6px;
  background: var(--mk-lime);
  color: var(--mk-brown);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  text-align: center;
}

.page-contact .pc-step__title {
  margin: 10px 0 0;
  font-family: var(--mk-condensed);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: 0.01em;
  color: var(--mk-white);
}

.page-contact .pc-step__text {
  margin: 8px 0 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--pc-lead);
}

.page-contact .pc-step__time {
  display: inline-block;
  margin-top: 12px;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--mk-orange);
  transition: color 0.18s ease;
}

.page-contact .pc-step:hover .pc-step__time,
.page-contact .pc-step:focus-within .pc-step__time {
  color: var(--mk-lime);
}

.page-contact .pc-step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -15px;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--mk-lime);
  border-bottom: 2px solid var(--mk-lime);
  transform: translateX(-50%) rotate(45deg);
}

/* ---------- 发信前准备 ---------- */
.page-contact .pc-prep {
  margin-top: clamp(34px, 5vw, 60px);
}

.page-contact .pc-prep__grid {
  display: grid;
  gap: 12px;
  margin-top: clamp(16px, 2.4vw, 24px);
}

.page-contact .pc-prep__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding: 16px;
  border: 1px solid var(--mk-line);
  border-radius: 10px;
  background: var(--mk-ink-2);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.page-contact .pc-prep__item:hover {
  border-color: var(--mk-lime-deep);
  box-shadow: 4px 4px 0 var(--mk-shadow-deep);
}

.page-contact .pc-prep__num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--mk-lime);
  color: var(--mk-brown);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
}

.page-contact .pc-prep__title {
  margin: 0;
  font-family: var(--mk-condensed);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--mk-white);
}

.page-contact .pc-prep__text {
  margin: 6px 0 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--mk-mist);
}

.page-contact .pc-prep__aside {
  margin: 16px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--mk-orange);
  background: var(--mk-ink-2);
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--pc-lead);
}

/* ---------- 站务咨询与数据更正 ---------- */
.page-contact .pc-service {
  margin-top: clamp(34px, 5vw, 60px);
}

.page-contact .pc-service__grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(16px, 2.4vw, 24px);
}

.page-contact .pc-service__card {
  padding: 20px 18px;
  border: 2px solid var(--mk-line);
  border-radius: var(--mk-radius);
  background: var(--mk-ink-2);
}

.page-contact .pc-service__card--accent {
  border-color: var(--mk-lime);
  box-shadow: var(--mk-shadow);
}

.page-contact .pc-service__title {
  margin: 0;
  font-family: var(--mk-serif);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--mk-white);
}

.page-contact .pc-service__text {
  margin: 10px 0 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--pc-lead);
}

.page-contact .pc-service__meta {
  margin: 12px 0 0;
  font-size: 0.75rem;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--mk-orange);
}

.page-contact .pc-service__foot {
  margin: 12px 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--pc-line-soft);
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--mk-mist);
}

/* ---------- 联系方式奶油面板 ---------- */
.page-contact .pc-direct {
  margin-top: clamp(34px, 5vw, 60px);
  background: var(--mk-cream);
  color: var(--mk-brown);
  border: 2px solid var(--mk-brown);
  border-radius: var(--mk-radius);
  box-shadow: var(--mk-shadow);
  overflow: hidden;
}

.page-contact .pc-direct__head {
  padding: clamp(20px, 3.4vw, 34px) clamp(18px, 3.4vw, 34px) 0;
}

.page-contact .pc-direct__lead {
  margin: 10px 0 0;
  max-width: 56ch;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: rgba(38, 30, 24, 0.78);
}

.page-contact .pc-direct__list {
  list-style: none;
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  padding: 0 clamp(18px, 3.4vw, 34px);
}

.page-contact .pc-direct__row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--pc-brown-soft);
}

.page-contact .pc-direct__row:last-child {
  border-bottom: 0;
}

.page-contact .pc-direct__k {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: #6B7F55;
  text-transform: uppercase;
}

.page-contact .pc-direct__v {
  font-family: var(--mk-sans);
  font-weight: 500;
  font-size: 1rem;
  line-height: 1.55;
  color: var(--mk-brown);
  word-break: break-word;
}

.page-contact .pc-direct__note {
  font-size: 0.875rem;
  line-height: 1.6;
  color: rgba(38, 30, 24, 0.68);
}

.page-contact .pc-direct__banner {
  margin-top: clamp(16px, 2.4vw, 24px);
  border-top: 2px solid var(--mk-brown);
}

.page-contact .pc-direct__banner img {
  display: block;
  width: 100%;
  height: clamp(150px, 28vw, 260px);
  object-fit: cover;
}

/* ---------- 常见合作问题 ---------- */
.page-contact .pc-faq {
  margin-top: clamp(34px, 5vw, 60px);
}

.page-contact .pc-faq__list {
  display: grid;
  gap: 12px;
  margin-top: clamp(16px, 2.4vw, 24px);
}

.page-contact .pc-faq__item {
  padding: 16px 18px;
  border-left: 3px solid var(--mk-lime);
  border-radius: 0 10px 10px 0;
  background: var(--mk-ink-2);
  transition: background 0.18s ease;
}

.page-contact .pc-faq__item:hover {
  background: #163A32;
}

.page-contact .pc-faq__q {
  margin: 0;
  font-family: var(--mk-condensed);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--mk-white);
}

.page-contact .pc-faq__a {
  margin: 8px 0 0;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--pc-lead);
}

/* ---------- 图片基础 ---------- */
.page-contact img {
  max-width: 100%;
  height: auto;
}

/* ---------- 响应式 ---------- */
@media (min-width: 680px) {
  .page-contact .pc-prep__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 820px) {
  .page-contact .pc-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }

  .page-contact .pc-step:not(:last-child)::after {
    left: auto;
    bottom: auto;
    right: -19px;
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
  }

  .page-contact .pc-service__grid {
    grid-template-columns: 1fr 1fr;
    gap: 18px;
  }

  .page-contact .pc-faq__list {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .page-contact .pc-faq__item:first-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-tracks__board {
    grid-template-columns: minmax(240px, 300px) minmax(0, 1fr);
    gap: 20px;
    align-items: start;
  }

  .page-contact .pc-tracks__list {
    flex-direction: column;
    overflow-x: visible;
    padding: 0;
    gap: 12px;
  }

  .page-contact .pc-track {
    min-width: 0;
  }

  .page-contact #pc-t1:checked ~ .pc-tracks__board .pc-track--1::after,
  .page-contact #pc-t2:checked ~ .pc-tracks__board .pc-track--2::after,
  .page-contact #pc-t3:checked ~ .pc-tracks__board .pc-track--3::after,
  .page-contact #pc-t4:checked ~ .pc-tracks__board .pc-track--4::after {
    content: "";
    position: absolute;
    right: -20px;
    top: 50%;
    width: 20px;
    height: 2px;
    background: var(--mk-lime);
    transform: translateY(-1px);
  }

  .page-contact .pc-panel {
    padding: 26px 26px 22px;
  }

  .page-contact .pc-direct__row {
    grid-template-columns: 130px minmax(0, 1fr) minmax(0, 1.1fr);
    align-items: baseline;
    gap: 18px;
  }
}

@media (min-width: 1024px) {
  .page-contact .pc-direct__row {
    grid-template-columns: 140px minmax(0, 1fr) minmax(0, 1.15fr);
  }
}
<<<END>>>