.page-contact {
  --pc-cut: 20px;
  --pc-paper-ink: rgba(11, 61, 46, 0.74);
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-body);
  overflow-x: hidden;
}

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

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

.page-contact .eh-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .eh-index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--orange);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--header-h) + clamp(28px, 6vw, 64px));
  padding-bottom: clamp(34px, 6vw, 60px);
  background:
    radial-gradient(115% 85% at 88% -8%, rgba(77, 255, 195, 0.16), rgba(77, 255, 195, 0) 60%),
    radial-gradient(85% 75% at -8% 108%, rgba(255, 122, 61, 0.16), rgba(255, 122, 61, 0) 58%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-deep) 100%);
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(159, 184, 174, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(159, 184, 174, 0.09) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(82% 72% at 48% 18%, #000 0%, transparent 78%);
  mask-image: radial-gradient(82% 72% at 48% 18%, #000 0%, transparent 78%);
}

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

.page-contact .eh-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(22px, 4vw, 36px);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-contact .eh-breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .eh-breadcrumb a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .pc-hero__grid {
  display: grid;
  gap: clamp(24px, 5vw, 44px);
}

.page-contact .pc-hero__title {
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(36px, 8.6vw, 72px);
  line-height: 0.98;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-contact .pc-hero__title em {
  font-style: normal;
  color: var(--cyan);
}

.page-contact .pc-hero__lead {
  margin: 0;
  max-width: 40ch;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(253, 251, 244, 0.78);
}

.page-contact .pc-hero__aside {
  padding-top: 18px;
  border-top: 1px solid var(--line-dark);
}

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

.page-contact .pc-quick__row {
  display: grid;
  gap: 4px;
}

.page-contact .pc-quick dt {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .pc-quick dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .pc-quick dd a {
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid rgba(77, 255, 195, 0.55);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .pc-quick dd a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .pc-hero__bannerwrap {
  margin-top: clamp(28px, 5vw, 52px);
}

.page-contact .pc-hero__banner {
  position: relative;
  margin: 0;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-contact .pc-hero__banner::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(7, 31, 24, 0.15) 0%, rgba(7, 31, 24, 0.72) 100%);
  border-top: 1px solid rgba(77, 255, 195, 0.5);
}

.page-contact .pc-hero__banner img {
  display: block;
  width: 100%;
  height: clamp(140px, 24vw, 250px);
  object-fit: cover;
  filter: saturate(0.82) brightness(0.82);
}

/* ---------- 章节通用 ---------- */
.page-contact .pc-sect {
  padding: clamp(46px, 8vw, 92px) 0;
}

.page-contact .pc-sect--paper {
  background: var(--paper);
  color: var(--ink);
}

.page-contact .pc-sect--paper2 {
  background: var(--paper-2);
  color: var(--ink);
}

.page-contact .pc-sect--deep {
  background: var(--ink-deep);
  border-top: 1px solid var(--line-dark);
}

.page-contact .pc-head {
  display: grid;
  gap: 10px;
  max-width: 780px;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-contact .pc-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 5.4vw, 42px);
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-contact .pc-head p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(253, 251, 244, 0.72);
}

.page-contact .pc-sect--paper .pc-head h2,
.page-contact .pc-sect--paper2 .pc-head h2 {
  color: var(--ink);
}

.page-contact .pc-sect--paper .pc-head p,
.page-contact .pc-sect--paper2 .pc-head p {
  color: var(--pc-paper-ink);
}

.page-contact .pc-sect--paper .eh-index,
.page-contact .pc-sect--paper2 .eh-index {
  color: var(--mid);
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(255, 122, 61, 0.7);
}

.page-contact .pc-link {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--orange);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .pc-link:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 路径卡 ---------- */
.page-contact .pc-paths__grid {
  display: grid;
  gap: 16px;
}

.page-contact .pc-path {
  position: relative;
  display: block;
  padding: 22px 22px 24px;
  text-decoration: none;
  color: var(--white);
  background: linear-gradient(160deg, rgba(31, 92, 70, 0.62), rgba(11, 61, 46, 0.34));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pc-cut)), calc(100% - var(--pc-cut)) 100%, 0 100%);
  transition: transform 0.18s var(--ease), background 0.18s var(--ease);
}

.page-contact .pc-path::after {
  content: "";
  position: absolute;
  inset: 0;
  clip-path: inherit;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px var(--line-dark);
  transition: box-shadow 0.18s var(--ease);
}

.page-contact .pc-path:hover,
.page-contact .pc-path:focus-visible {
  transform: translateY(-4px);
  background: linear-gradient(160deg, rgba(255, 122, 61, 0.2), rgba(31, 92, 70, 0.34));
}

.page-contact .pc-path:hover::after,
.page-contact .pc-path:focus-visible::after {
  box-shadow: inset 0 0 0 1px var(--orange);
}

.page-contact .pc-path__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--cyan);
}

.page-contact .pc-path__title {
  display: block;
  margin-top: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.15;
  color: var(--white);
}

.page-contact .pc-path__note {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .pc-path__go {
  display: block;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange-soft);
}

/* ---------- 联系方式面板 ---------- */
.page-contact .pc-reach__panel {
  display: grid;
  gap: clamp(22px, 4vw, 38px);
  padding: clamp(22px, 4vw, 40px);
  border: 1.5px solid var(--orange);
  background: var(--white);
  color: var(--ink);
  box-shadow: 0 18px 40px rgba(11, 61, 46, 0.1);
}

.page-contact .pc-reach__note {
  margin: 0 0 22px;
  padding: 12px 14px;
  border-left: 2px solid var(--orange);
  background: rgba(228, 220, 200, 0.55);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}

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

.page-contact .pc-reach__item {
  padding-top: 14px;
  border-top: 1px solid var(--line-light);
}

.page-contact .pc-reach__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mid);
}

.page-contact .pc-reach__value {
  display: inline-block;
  margin-top: 8px;
  font-size: clamp(16px, 3.2vw, 20px);
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid rgba(77, 255, 195, 0.9);
  overflow-wrap: anywhere;
  transition: border-color 0.18s var(--ease);
}

.page-contact .pc-reach__value:hover {
  border-bottom-color: var(--orange);
}

.page-contact .pc-reach__value--plain {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.7;
  border-bottom: none;
}

.page-contact .pc-reach__sub {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(11, 61, 46, 0.66);
}

.page-contact .pc-reach__tail {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px dashed rgba(11, 61, 46, 0.22);
  font-size: 14px;
  line-height: 1.75;
  color: var(--pc-paper-ink);
}

.page-contact .pc-reach__media {
  margin: 0;
  align-self: start;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
  border-top: 2px solid var(--cyan);
}

.page-contact .pc-reach__media img {
  display: block;
  width: 100%;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  filter: saturate(0.9);
}

/* ---------- 目录查询写法 ---------- */
.page-contact .pc-draft__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-contact .pc-steps {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-steps li {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--line-dark);
}

.page-contact .pc-steps li:last-child {
  border-bottom: 1px solid var(--line-dark);
}

.page-contact .pc-steps__no {
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1.2;
  color: var(--cyan);
}

.page-contact .pc-steps h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--white);
}

.page-contact .pc-steps p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .pc-subject {
  margin: 22px 0 0;
  padding: 14px 16px;
  border-left: 2px solid var(--cyan);
  background: rgba(31, 92, 70, 0.45);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.8;
  letter-spacing: 0.02em;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .pc-coop {
  padding: clamp(20px, 3.4vw, 30px);
  background: linear-gradient(170deg, rgba(31, 92, 70, 0.6), rgba(7, 31, 24, 0.55));
  border-top: 2px solid var(--orange);
  border-bottom: 1px solid var(--line-dark);
}

.page-contact .pc-coop__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.2;
  color: var(--white);
}

.page-contact .pc-coop__text {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .pc-coop__list {
  display: grid;
  gap: 10px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-contact .pc-coop__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--white);
}

.page-contact .pc-coop__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 1px;
  background: var(--orange);
}

.page-contact .pc-coop__links {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-dark);
}

.page-contact .pc-coop__links a {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s var(--ease);
}

.page-contact .pc-coop__links a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 写信 ---------- */
.page-contact .pc-letter {
  display: grid;
  gap: 24px;
  padding: clamp(22px, 4vw, 36px);
  background: var(--white);
  color: var(--ink);
  border: 1px solid var(--line-light);
}

.page-contact .pc-letter__sheet {
  display: grid;
  gap: 12px;
  padding-left: 16px;
  border-left: 2px solid var(--cyan);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.9;
  color: rgba(11, 61, 46, 0.82);
}

.page-contact .pc-letter__sheet span {
  display: block;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(11, 61, 46, 0.18);
}

.page-contact .pc-letter__action {
  display: grid;
  gap: 12px;
  justify-items: start;
}

.page-contact .pc-letter__hint {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: rgba(11, 61, 46, 0.7);
}

/* ---------- 时效 ---------- */
.page-contact .pc-timing {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-timing li {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-top: 1px solid var(--line-dark);
}

.page-contact .pc-timing li:last-child {
  border-bottom: 1px solid var(--line-dark);
}

.page-contact .pc-timing__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange-soft);
}

.page-contact .pc-timing__v {
  font-size: 15px;
  line-height: 1.75;
  color: rgba(253, 251, 244, 0.82);
}

/* ---------- 答疑 ---------- */
.page-contact .pc-faq details {
  border-top: 1px solid var(--line-light);
  padding: 16px 0;
}

.page-contact .pc-faq details:last-of-type {
  border-bottom: 1px solid var(--line-light);
}

.page-contact .pc-faq summary {
  display: flex;
  gap: 12px;
  align-items: baseline;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
}

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

.page-contact .pc-faq summary::before {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-weight: 400;
  color: var(--mid);
}

.page-contact .pc-faq details[open] summary::before {
  content: "–";
  color: var(--orange);
}

.page-contact .pc-faq p {
  margin: 12px 0 0 24px;
  padding-left: 12px;
  border-left: 2px solid var(--cyan);
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--pc-paper-ink);
}

.page-contact .pc-faq__more {
  margin: 24px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--pc-paper-ink);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .pc-letter__action {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    column-gap: 18px;
  }

  .page-contact .pc-letter__hint:first-of-type {
    grid-column: 1 / -1;
  }
}

@media (min-width: 760px) {
  .page-contact .pc-paths__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .pc-timing li {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }

  .page-contact .pc-timing__k {
    text-align: right;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }

  .page-contact .pc-hero__aside {
    padding-top: 0;
    padding-left: 22px;
    border-top: none;
    border-left: 1px solid var(--line-dark);
  }

  .page-contact .pc-reach__panel {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .pc-draft__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .pc-letter {
    grid-template-columns: minmax(0, 5fr) minmax(0, 4fr);
    align-items: center;
    gap: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-path,
  .page-contact .pc-path::after,
  .page-contact .eh-breadcrumb a,
  .page-contact .pc-quick dd a,
  .page-contact .pc-reach__value,
  .page-contact .pc-coop__links a {
    transition: none;
  }

  .page-contact .pc-path:hover,
  .page-contact .pc-path:focus-visible {
    transform: none;
  }
}