.page-contact {
  background: var(--mist);
  color: var(--ink);
  font-family: var(--font-body);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  background:
    radial-gradient(120% 90% at 86% 0%, rgba(242, 160, 61, .18), transparent 58%),
    linear-gradient(180deg, var(--night) 0%, var(--night-2) 100%);
  color: var(--mist);
  padding: 40px 0 44px;
  border-bottom: 1px solid var(--line);
}

.page-contact .pc-crumb {
  margin-bottom: 22px;
}

.page-contact .pc-crumb a {
  color: var(--grass-hi);
  text-decoration: none;
}

.page-contact .pc-crumb a:hover {
  color: var(--amber-hi);
}

.page-contact .pc-crumb span[aria-current] {
  color: var(--txt-soft);
}

.page-contact .pc-hero__eyebrow {
  color: var(--amber-hi);
}

.page-contact .pc-hero__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(34px, 7.2vw, 72px);
  line-height: 1.05;
  letter-spacing: -.02em;
  margin: 12px 0 18px;
  max-width: 18ch;
  color: var(--mist);
}

.page-contact .pc-hero__lead {
  font-size: 17px;
  line-height: 1.85;
  color: var(--txt-soft);
  max-width: 66ch;
  margin: 0 0 28px;
}

.page-contact .pc-strip {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-contact .pc-strip__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
  padding: 12px 14px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: rgba(247, 250, 248, .05);
}

.page-contact .pc-strip__k {
  font-size: 10px;
  letter-spacing: .08em;
  color: var(--amber-hi);
}

.page-contact .pc-strip__v {
  font-size: 14px;
  line-height: 1.5;
  color: var(--mist);
  word-break: break-word;
}

.page-contact .pc-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 外壳与目录 ---------- */
.page-contact .pc-shell {
  padding-bottom: 0;
}

.page-contact .pc-toc {
  display: none;
}

.page-contact .pc-toc__label {
  font-size: 10px;
  letter-spacing: .08em;
  color: var(--grass);
  margin: 0 0 12px;
}

.page-contact .pc-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  border-left: 1px solid var(--edge);
  padding-left: 14px;
}

.page-contact .pc-toc__link {
  display: flex;
  gap: 8px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--txt-dim);
  text-decoration: none;
  transition: color var(--t) var(--ease);
}

.page-contact .pc-toc__link .num {
  font-size: 11px;
  color: var(--grass);
}

.page-contact .pc-toc__link:hover,
.page-contact .pc-toc__link[aria-current] {
  color: var(--night);
}

.page-contact .pc-toc__link[aria-current] .num {
  color: var(--amber);
}

/* ---------- 章节 ---------- */
.page-contact .pc-block {
  padding: 46px 0;
  border-top: 1px solid var(--edge);
}

.page-contact .pc-flow > .pc-block:first-child {
  border-top: 0;
  padding-top: 38px;
}

.page-contact .pc-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  margin-bottom: 26px;
}

.page-contact .pc-head__no {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 38px;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--grass);
}

.page-contact .pc-head__t {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(22px, 3.6vw, 34px);
  letter-spacing: -.02em;
  line-height: 1.18;
  margin: 0 0 8px;
  color: var(--night);
}

.page-contact .pc-head__d {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--txt-dim);
}

/* ---------- 四类方向 ---------- */
.page-contact .pc-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gut);
}

.page-contact .pc-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  padding: 22px;
  background: #fff;
  border: 1px solid var(--edge);
  border-radius: var(--radius-lg);
}

.page-contact .pc-card__no {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--night);
  background: var(--amber-hi);
  border-radius: var(--pill);
  padding: 4px 12px;
}

.page-contact .pc-card__t {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 20px;
  letter-spacing: -.01em;
  margin: 0;
  color: var(--night);
}

.page-contact .pc-card__fit {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--txt-dim);
}

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

.page-contact .pc-card__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink);
}

.page-contact .pc-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--grass);
}

.page-contact .pc-card--dark {
  background: var(--night-2);
  border-color: var(--line);
}

.page-contact .pc-card--dark .pc-card__t {
  color: var(--mist);
}

.page-contact .pc-card--dark .pc-card__fit {
  color: var(--txt-soft);
}

.page-contact .pc-card--dark .pc-card__list li {
  color: rgba(247, 250, 248, .88);
}

.page-contact .pc-card--dark .pc-card__list li::before {
  background: var(--amber);
}

/* ---------- 路径图与步骤 ---------- */
.page-contact .pc-path {
  margin: 0 0 26px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
}

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

.page-contact .pc-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--gut);
}

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

.page-contact .pc-step__d {
  height: 100%;
  background: #fff;
  border: 1px solid var(--edge);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-contact .pc-step__sum {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 12px;
  align-items: center;
  padding: 18px;
}

.page-contact .pc-step__sum::-webkit-details-marker {
  display: none;
}

.page-contact .pc-step__no {
  grid-row: 1 / 3;
  align-self: start;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1.2;
  color: var(--amber);
}

.page-contact .pc-step__name {
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: -.01em;
  color: var(--night);
}

.page-contact .pc-step__hint {
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--grass);
}

.page-contact .pc-step__d[open] .pc-step__hint {
  color: var(--amber);
}

.page-contact .pc-step__body {
  padding: 0 18px 18px;
  border-top: 1px solid var(--edge);
  margin-top: 4px;
  padding-top: 14px;
}

.page-contact .pc-step__body p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--txt-dim);
}

.page-contact .pc-step__body ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
}

.page-contact .pc-step__body li {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}

/* ---------- 联系与清单 ---------- */
.page-contact .pc-pair {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gut);
}

.page-contact .pc-contact {
  position: relative;
  overflow: hidden;
  min-height: 300px;
  display: flex;
  border-radius: var(--radius-xl);
  background: var(--night);
  color: var(--mist);
}

.page-contact .pc-contact__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .3;
}

.page-contact .pc-contact__in {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
  padding: 26px 24px;
}

.page-contact .pc-contact__t {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 22px;
  letter-spacing: -.01em;
  margin: 0;
  color: var(--mist);
}

.page-contact .pc-lines {
  margin: 0;
  display: grid;
  gap: 14px;
}

.page-contact .pc-line {
  display: grid;
  gap: 4px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line);
}

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

.page-contact .pc-line dt {
  font-size: 10.5px;
  letter-spacing: .08em;
  color: var(--amber-hi);
}

.page-contact .pc-line dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  word-break: break-word;
  color: var(--mist);
}

.page-contact .pc-line dd.num {
  font-family: var(--font-mono);
}

.page-contact .pc-note {
  margin: 0;
  padding-left: 12px;
  border-left: 2px solid var(--amber);
  font-size: 13px;
  line-height: 1.85;
  color: var(--txt-soft);
}

.page-contact .pc-prep {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--edge);
  border-radius: var(--radius-xl);
}

.page-contact .pc-prep__t {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 20px;
  letter-spacing: -.01em;
  margin: 0;
  color: var(--night);
}

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

.page-contact .pc-check li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.page-contact .pc-check input {
  appearance: none;
  -webkit-appearance: none;
  flex: none;
  width: 20px;
  height: 20px;
  margin: 1px 0 0;
  position: relative;
  background: #fff;
  border: 1.5px solid var(--grass);
  border-radius: 6px;
  cursor: pointer;
}

.page-contact .pc-check input:checked {
  background: var(--grass);
  border-color: var(--grass);
}

.page-contact .pc-check input:checked::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 2px;
  width: 5px;
  height: 10px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.page-contact .pc-check label {
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink);
  cursor: pointer;
}

.page-contact .pc-check__ready {
  display: none;
  margin: 0;
  padding: 10px 16px;
  border-radius: var(--pill);
  background: var(--amber-hi);
  color: var(--night);
  font-size: 14px;
  line-height: 1.5;
}

.page-contact .pc-prep:has(#pc-m1:checked):has(#pc-m2:checked):has(#pc-m3:checked):has(#pc-m4:checked):has(#pc-m5:checked) .pc-check__ready {
  display: block;
}

/* ---------- 表格与说明 ---------- */
.page-contact .pc-tablewrap {
  margin-bottom: 18px;
}

.page-contact .pc-tablewrap .data-table {
  min-width: 620px;
}

.page-contact .pc-tagline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 0 0 24px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--txt-dim);
}

.page-contact .pc-tagline .tag {
  flex: none;
}

.page-contact .pc-notes {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gut);
}

.page-contact .pc-note-card {
  padding: 22px;
  background: #fff;
  border: 1px solid var(--edge);
  border-left: 3px solid var(--amber);
  border-radius: var(--radius-lg);
}

.page-contact .pc-note-card h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 17px;
  letter-spacing: -.01em;
  margin: 0 0 8px;
  color: var(--night);
}

.page-contact .pc-note-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--txt-dim);
}

/* ---------- 常见问题 ---------- */
.page-contact .pc-faq {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gut);
}

.page-contact .pc-q {
  padding: 20px 22px;
  background: #fff;
  border: 1px solid var(--edge);
  border-radius: var(--radius-lg);
}

.page-contact .pc-q h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 16px;
  letter-spacing: -.01em;
  line-height: 1.5;
  margin: 0 0 8px;
  color: var(--night);
}

.page-contact .pc-q p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--txt-dim);
}

.page-contact .pc-q a {
  color: var(--night);
  text-decoration: underline;
  text-decoration-color: var(--grass);
  text-underline-offset: 3px;
}

/* ---------- 收束带 ---------- */
.page-contact .pc-out {
  padding: 52px 0 56px;
  background: linear-gradient(180deg, var(--night-2) 0%, var(--night) 100%);
  color: var(--mist);
  border-top: 1px solid var(--line);
}

.page-contact .pc-out .eyebrow {
  color: var(--amber-hi);
}

.page-contact .pc-out__t {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(22px, 4.2vw, 40px);
  line-height: 1.16;
  letter-spacing: -.02em;
  margin: 12px 0 14px;
  max-width: 26ch;
  color: var(--mist);
}

.page-contact .pc-out p {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--txt-soft);
}

.page-contact .pc-out__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

/* ---------- 入场动效 ---------- */
.js .page-contact [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 280ms var(--ease), transform 280ms var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}

.js .page-contact [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .js .page-contact [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .pc-hero {
    padding: 52px 0 56px;
  }

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

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

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

@media (min-width: 860px) {
  .page-contact .pc-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .pc-pair {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-contact .pc-contact__in {
    padding: 30px 28px;
  }

  .page-contact .pc-prep {
    padding: 28px;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-steps {
    position: relative;
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .pc-steps::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: -1px;
    height: 3px;
    border-radius: var(--pill);
    background: linear-gradient(90deg, var(--grass) 0%, var(--grass-hi) 42%, var(--amber) 100%);
  }
}

@media (min-width: 1060px) {
  .page-contact .pc-shell {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 190px;
    gap: 56px;
    align-items: start;
  }

  .page-contact .pc-toc {
    display: block;
    position: sticky;
    top: calc(var(--head-h) + 28px);
  }

  .page-contact .pc-block {
    padding: 56px 0;
  }
}

.page-contact {
  --reveal-delay: 0.3s;
}