.page-contact {
  --pc-line: rgba(159, 179, 200, 0.2);
  --pc-line-strong: rgba(159, 179, 200, 0.34);
  overflow-x: clip;
}

/* 首屏 */
.page-contact .pc-hero {
  position: relative;
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  padding-block: clamp(18px, 3vw, 30px) clamp(26px, 4vw, 44px);
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -40px;
  width: min(600px, 88vw);
  height: 460px;
  background:
    radial-gradient(closest-side, rgba(123, 47, 247, 0.34), transparent 72%),
    radial-gradient(closest-side at 68% 62%, rgba(0, 229, 255, 0.2), transparent 72%);
  filter: blur(8px);
  pointer-events: none;
  z-index: 0;
}

.page-contact .pc-hero__copy,
.page-contact .pc-hero__media {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.page-contact .pc-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 6.4vw, 58px);
  line-height: 1.06;
  letter-spacing: 0.01em;
  color: var(--paper);
  text-wrap: balance;
}

.page-contact .pc-hero .lede {
  margin: 16px 0 0;
  color: var(--body-text);
  max-width: 60ch;
}

.page-contact .pc-channels {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--pc-line-strong);
}

.page-contact .pc-channel {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--pc-line);
  min-width: 0;
}

.page-contact .pc-channel__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-contact .pc-channel__value {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.6vw, 19px);
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .pc-channel--status .pc-channel__value {
  color: var(--lime);
}

.page-contact .pc-hero__frame {
  position: relative;
  border: 1px solid var(--pc-line-strong);
  overflow: hidden;
}

.page-contact .pc-hero__caption {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

/* 章节标题 */
.page-contact .pc-h2 {
  position: relative;
  margin: 0 0 clamp(16px, 2.4vw, 26px);
  padding-left: 16px;
  font-family: var(--font-display);
  font-size: clamp(22px, 4vw, 38px);
  line-height: 1.16;
  color: var(--paper);
}

.page-contact .pc-h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.14em;
  bottom: 0.14em;
  width: 4px;
  background: linear-gradient(180deg, var(--orange), var(--violet));
}

/* 回复节奏 */
.page-contact .pc-reply__grid {
  display: grid;
  gap: var(--gap);
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .pc-reply__lead {
  padding: clamp(20px, 3vw, 30px);
  background: linear-gradient(150deg, rgba(123, 47, 247, 0.24), rgba(11, 16, 38, 0.92) 62%);
  border-left: 2px solid var(--violet);
}

.page-contact .pc-reply__lead p {
  margin: 0 0 10px;
  color: var(--body-text);
  font-size: 15px;
  line-height: 1.8;
}

.page-contact .pc-reply__kicker {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--lime);
}

.page-contact .pc-reply__lead .pc-reply__hint {
  margin: 0;
  color: var(--body-dim);
  font-size: 14px;
}

.page-contact .pc-reply__stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px;
  background: var(--ink-2);
  border-top: 2px solid var(--cyan);
}

.page-contact .pc-reply__stat:nth-of-type(3) {
  border-top-color: var(--orange);
}

.page-contact .pc-reply__stat .stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(30px, 5.2vw, 46px);
  line-height: 1;
  color: var(--cyan);
}

.page-contact .pc-reply__stat:nth-of-type(3) .stat__num {
  color: var(--orange);
}

.page-contact .pc-reply__stat .stat__label {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-contact .pc-reply__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--body-dim);
}

/* 问题类型 */
.page-contact .pc-types__grid {
  display: grid;
  gap: var(--gap);
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .pc-type {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.6vw, 26px);
  background: var(--ink-2);
  border-top: 2px solid var(--violet);
  min-width: 0;
}

.page-contact .pc-type:nth-child(2) {
  border-top-color: var(--orange);
}

.page-contact .pc-type:nth-child(3) {
  border-top-color: var(--cyan);
}

.page-contact .pc-type:nth-child(4) {
  border-top-color: var(--lime);
}

.page-contact .pc-type__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-contact .pc-type__code {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-contact .pc-type h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(17px, 2.4vw, 20px);
  line-height: 1.35;
  color: var(--paper);
}

.page-contact .pc-type p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--body-dim);
}

.page-contact .pc-type .pc-type__need {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed var(--pc-line);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

/* 准备清单（纸面区） */
.page-contact .pc-check__paper {
  padding: clamp(22px, 3.4vw, 42px);
  color: var(--brown);
  background-image: linear-gradient(180deg, rgba(28, 22, 18, 0.04), transparent 30%);
}

.page-contact .pc-check__paper .eyebrow {
  color: var(--rust);
  margin-bottom: 10px;
}

.page-contact .pc-check__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.6vw, 36px);
  line-height: 1.2;
  color: var(--brown);
}

.page-contact .pc-check__lede {
  margin: 12px 0 0;
  max-width: 62ch;
  font-family: var(--font-serif);
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(28, 22, 18, 0.78);
}

.page-contact .pc-check__body {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  margin-top: clamp(20px, 3vw, 30px);
  grid-template-columns: minmax(0, 1fr);
}

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

.page-contact .pc-check__item {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(28, 22, 18, 0.16);
}

.page-contact .pc-check__item:first-child {
  border-top: 1px solid rgba(28, 22, 18, 0.16);
}

.page-contact .pc-check__mark {
  position: relative;
  width: 16px;
  height: 16px;
  margin-top: 4px;
  border: 1.5px solid var(--rust);
  background: rgba(255, 107, 26, 0.14);
}

.page-contact .pc-check__mark::after {
  content: "";
  position: absolute;
  left: 3px;
  top: 4px;
  width: 8px;
  height: 4px;
  border-left: 1.5px solid var(--rust);
  border-bottom: 1.5px solid var(--rust);
  transform: rotate(-45deg);
}

.page-contact .pc-check__text strong {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: var(--brown);
}

.page-contact .pc-check__num {
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--rust);
}

.page-contact .pc-check__text p {
  margin: 4px 0 0;
  font-family: var(--font-serif);
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(28, 22, 18, 0.74);
}

.page-contact .pc-check__figure {
  margin: 0;
}

.page-contact .pc-check__media {
  position: relative;
  aspect-ratio: 10 / 7;
  overflow: hidden;
  border: 1px solid rgba(28, 22, 18, 0.24);
  background: linear-gradient(140deg, rgba(123, 47, 247, 0.14), rgba(0, 229, 255, 0.12));
}

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

.page-contact .pc-check__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: rgba(28, 22, 18, 0.66);
}

/* 地址 */
.page-contact .pc-address__panel {
  position: relative;
  display: grid;
  gap: clamp(18px, 3vw, 30px);
  padding: clamp(22px, 3.2vw, 36px);
  grid-template-columns: minmax(0, 1fr);
  background: linear-gradient(120deg, rgba(20, 27, 60, 0.96), rgba(11, 16, 38, 0.96));
  overflow: hidden;
}

.page-contact .pc-address__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.8vw, 28px);
  line-height: 1.45;
  color: var(--paper);
  text-wrap: balance;
}

.page-contact .pc-address__text {
  margin: 12px 0 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--body-dim);
}

.page-contact .pc-address__meta {
  display: grid;
  gap: 12px;
  margin: 0;
  padding-top: 16px;
  border-top: 1px dashed var(--pc-line);
  min-width: 0;
}

.page-contact .pc-address__meta div {
  display: grid;
  gap: 3px;
}

.page-contact .pc-address__meta dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-contact .pc-address__meta dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .pc-address__glyph {
  position: absolute;
  right: -26px;
  bottom: -30px;
  width: 168px;
  height: 168px;
  opacity: 0.55;
  pointer-events: none;
}

.page-contact .pc-address__ring {
  fill: none;
  stroke-width: 1.4;
}

.page-contact .pc-address__ring--1 {
  stroke: var(--cyan);
}

.page-contact .pc-address__ring--2 {
  stroke: var(--violet);
  opacity: 0.8;
}

.page-contact .pc-address__ring--3 {
  stroke: var(--cyan);
  opacity: 0.4;
}

.page-contact .pc-address__tick {
  fill: none;
  stroke: var(--orange);
  stroke-width: 2;
  stroke-linecap: round;
}

/* 合作与纠错 */
.page-contact .pc-pair__grid {
  display: grid;
  gap: var(--gap);
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .pc-pair__card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding: clamp(18px, 2.6vw, 26px);
  background: var(--ink-2);
  border-left: 2px solid var(--violet);
  min-width: 0;
}

.page-contact .pc-pair__card--warm {
  border-left-color: var(--orange);
  background: linear-gradient(160deg, rgba(255, 107, 26, 0.12), rgba(20, 27, 60, 0.96) 70%);
}

.page-contact .pc-pair__card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(17px, 2.4vw, 21px);
  line-height: 1.35;
  color: var(--paper);
}

.page-contact .pc-pair__card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--body-dim);
}

.page-contact .pc-pair__meta {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .pc-pair__card .btn {
  margin-top: 4px;
}

/* 下一步 */
.page-contact .pc-next {
  padding-bottom: clamp(30px, 5vw, 60px);
}

.page-contact .pc-next__grid {
  display: grid;
  gap: var(--gap);
  grid-template-columns: minmax(0, 1fr);
  margin-top: clamp(18px, 2.6vw, 28px);
}

.page-contact .pc-next__card {
  display: block;
  padding: clamp(18px, 2.6vw, 26px);
  background: var(--ink-2);
  border-left: 2px solid var(--cyan);
  text-decoration: none;
  color: inherit;
  min-width: 0;
  transition: transform 0.2s ease, border-left-color 0.2s ease;
}

.page-contact .pc-next__card:hover,
.page-contact .pc-next__card:focus-visible {
  transform: translateY(-3px);
  border-left-color: var(--orange);
}

.page-contact .pc-next__code {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-contact .pc-next__card h3 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: clamp(16px, 2.2vw, 19px);
  line-height: 1.4;
  color: var(--paper);
}

.page-contact .pc-next__card p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--body-dim);
}

.page-contact .pc-next__go {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-contact .pc-next__legal {
  margin: 20px 0 0;
  font-size: 14px;
  color: var(--body-dim);
}

.page-contact .pc-next__legal a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.4);
}

.page-contact .pc-next__legal a:hover,
.page-contact .pc-next__legal a:focus-visible {
  border-bottom-color: var(--orange);
}

@media (min-width: 760px) {
  .page-contact .pc-channel {
    grid-template-columns: 116px minmax(0, 1fr);
    align-items: baseline;
    gap: 14px;
  }

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

  .page-contact .pc-reply__lead {
    grid-column: span 2;
  }

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

  .page-contact .pc-check__body {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-contact .pc-address__panel {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
    align-items: start;
  }

  .page-contact .pc-address__meta {
    border-top: 0;
    border-left: 1px dashed var(--pc-line);
    padding-top: 0;
    padding-left: 18px;
  }

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

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

  .page-contact .pc-address__glyph {
    width: 200px;
    height: 200px;
  }
}

@media (min-width: 1000px) {
  .page-contact .pc-hero {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .page-contact .pc-reply__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr) minmax(0, 1fr);
  }

  .page-contact .pc-reply__lead {
    grid-column: span 1;
  }

  .page-contact .pc-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 0;
  }

  .page-contact .pc-channel {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
    padding: 14px 0 0;
    border-top: 1px solid var(--pc-line-strong);
    border-bottom: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-next__card {
    transition: none;
  }

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