.page-contact {
  --pc-line: rgba(26, 20, 16, .16);
  --pc-line-dark: rgba(201, 214, 228, .2);
  --pc-muted: #6B6157;
  --pc-muted-dark: rgba(201, 214, 228, .74);

  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  isolation: isolate;
  background:
    radial-gradient(105% 80% at 88% -10%, rgba(122, 59, 255, .42), transparent 62%),
    radial-gradient(70% 60% at 4% 108%, rgba(56, 232, 255, .18), transparent 66%),
    var(--midnight);
  color: var(--paper);
  padding: 36px 0 60px;
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(201, 214, 228, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 214, 228, .07) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), transparent 88%);
}

.page-contact .pc-hero .wrap {
  position: relative;
}

.page-contact .pc-hero .crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--pc-muted-dark);
}

.page-contact .pc-hero .crumb a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 232, 255, .35);
  padding-bottom: 1px;
}

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

.page-contact .pc-index {
  margin: 26px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--cyan);
}

.page-contact .pc-h1 {
  margin: 14px 0 0;
  font-size: clamp(40px, 10.5vw, 96px);
  font-weight: 200;
  line-height: 1.05;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .pc-h1 b {
  font-weight: 900;
  text-shadow:
    0 0 14px rgba(122, 59, 255, .9),
    0 0 40px rgba(56, 232, 255, .5);
}

.page-contact .pc-lede {
  margin: 22px 0 0;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.82;
  color: rgba(243, 235, 221, .82);
}

.page-contact .pc-jump {
  display: inline-flex;
  align-items: center;
  margin-top: 30px;
}

/* ---------- 章节骨架 ---------- */
.page-contact .pc-band {
  padding: 52px 0;
}

.page-contact .pc-band--tight {
  padding: 40px 0;
}

.page-contact .pc-band--deep {
  position: relative;
  background:
    radial-gradient(80% 60% at 100% 0%, rgba(122, 59, 255, .22), transparent 62%),
    var(--deep-2);
  color: var(--paper);
}

.page-contact .pc-band--deep::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--violet) 30%, var(--cyan) 70%, transparent);
  pointer-events: none;
}

.page-contact .pc-cols {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
}

/* ---------- 排版零件 ---------- */
.page-contact .pc-kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--pc-muted);
}

.page-contact .pc-kicker--dark {
  color: var(--cyan);
}

.page-contact .pc-h2 {
  margin: 0 0 22px;
  font-size: clamp(24px, 4.6vw, 34px);
  font-weight: 300;
  line-height: 1.3;
  letter-spacing: .01em;
}

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

/* ---------- 联系渠道 ---------- */
.page-contact .pc-chan {
  margin: 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .pc-slot {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 4px;
  border-bottom: 1px solid var(--pc-line);
  transition: background-color var(--t-fast) var(--ease);
}

.page-contact .pc-slot:hover {
  background: rgba(201, 214, 228, .24);
}

.page-contact .pc-slot dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--pc-muted);
}

.page-contact .pc-slot dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1.5;
  letter-spacing: .01em;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .pc-slot--hot dd {
  color: var(--orange);
  font-weight: 700;
}

.page-contact .pc-note {
  margin: 22px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--orange);
  font-size: 14px;
  line-height: 1.75;
  color: var(--pc-muted);
}

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

.page-contact .pc-timeline img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--pc-line);
  object-fit: cover;
  filter: saturate(1.08) contrast(1.02);
}

.page-contact .pc-cap {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--pc-muted);
}

/* ---------- 留言表单 ---------- */
.page-contact .pc-form {
  display: grid;
  gap: 20px;
  margin-top: 4px;
}

.page-contact .pc-field {
  display: grid;
  gap: 8px;
}

.page-contact .pc-field > label,
.page-contact .pc-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--ice);
}

.page-contact .pc-field input[type="text"],
.page-contact .pc-field input[type="email"],
.page-contact .pc-field textarea {
  box-sizing: border-box;
  width: 100%;
  padding: 13px 15px;
  background: rgba(243, 235, 221, .05);
  border: 1px solid var(--pc-line-dark);
  border-radius: 0;
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  transition:
    border-color var(--t-fast) var(--ease),
    background-color var(--t-fast) var(--ease),
    box-shadow var(--t-fast) var(--ease);
}

.page-contact .pc-field textarea {
  resize: vertical;
  min-height: 132px;
}

.page-contact .pc-field input::placeholder,
.page-contact .pc-field textarea::placeholder {
  color: rgba(201, 214, 228, .42);
}

.page-contact .pc-field input:focus,
.page-contact .pc-field textarea:focus {
  outline: none;
  border-color: var(--cyan);
  background: rgba(56, 232, 255, .07);
  box-shadow: 0 0 0 1px var(--cyan), 0 0 22px rgba(56, 232, 255, .3);
}

.page-contact .pc-types {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .pc-type {
  position: relative;
  display: inline-flex;
}

.page-contact .pc-type input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.page-contact .pc-type span {
  display: inline-block;
  padding: 9px 15px;
  border: 1px solid var(--pc-line-dark);
  font-size: 13px;
  line-height: 1.4;
  color: var(--pc-muted-dark);
  cursor: pointer;
  transition:
    border-color var(--t-fast) var(--ease),
    background-color var(--t-fast) var(--ease),
    color var(--t-fast) var(--ease),
    box-shadow var(--t-fast) var(--ease);
}

.page-contact .pc-type:hover span {
  border-color: var(--cyan);
  color: var(--paper);
}

.page-contact .pc-type input:checked + span {
  border-color: var(--violet);
  background: rgba(122, 59, 255, .2);
  color: var(--paper);
  box-shadow: 0 0 16px rgba(122, 59, 255, .4);
}

.page-contact .pc-type input:focus-visible + span {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .pc-send {
  justify-self: start;
  cursor: pointer;
}

/* ---------- 填写建议 ---------- */
.page-contact .pc-notes {
  border: 1px solid var(--pc-line-dark);
  background: rgba(243, 235, 221, .03);
  padding: 26px 22px 28px;
  counter-reset: pcstep;
}

.page-contact .pc-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.page-contact .pc-steps li {
  counter-increment: pcstep;
  position: relative;
  padding-left: 42px;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(243, 235, 221, .82);
}

.page-contact .pc-steps li::before {
  content: "0" counter(pcstep);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
}

/* ---------- 地址 ---------- */
.page-contact .pc-addr {
  position: relative;
  display: grid;
  gap: 24px;
  padding: 28px 22px 0;
  border: 1px solid var(--pc-line);
  background: linear-gradient(180deg, rgba(201, 214, 228, .3), rgba(243, 235, 221, 0) 72%);
  overflow: hidden;
  transition:
    border-color var(--t-mid) var(--ease),
    box-shadow var(--t-mid) var(--ease),
    transform var(--t-mid) var(--ease);
}

.page-contact .pc-addr:hover,
.page-contact .pc-addr:focus-within {
  border-color: var(--violet);
  box-shadow: 0 0 0 1px rgba(122, 59, 255, .35), 0 18px 40px rgba(11, 16, 48, .14);
  transform: translateY(-3px);
}

.page-contact .pc-addr__line {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.6vw, 18px);
  line-height: 1.6;
  letter-spacing: .02em;
  color: var(--ink);
}

.page-contact .pc-addr__note {
  margin: 14px 0 0;
  max-width: 48ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--pc-muted);
}

.page-contact .pc-skyline {
  display: block;
  width: 100%;
  height: 72px;
  color: var(--ice);
}

/* ---------- 合作与自助 ---------- */
.page-contact .pc-coop__lede {
  margin: 0;
  max-width: 50ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .pc-list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-contact .pc-list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--pc-line);
  font-size: 15px;
  line-height: 1.72;
}

.page-contact .pc-list li span {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--orange);
}

.page-contact .pc-links {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--pc-line);
}

.page-contact .pc-links a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 4px;
  border-bottom: 1px solid var(--pc-line);
  color: var(--ink);
  font-size: 15.5px;
  line-height: 1.6;
  text-decoration: none;
  transition:
    color var(--t-fast) var(--ease),
    background-color var(--t-fast) var(--ease),
    padding-left var(--t-fast) var(--ease);
}

.page-contact .pc-links a::before {
  content: "\2192";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  color: var(--violet);
}

.page-contact .pc-links a:hover,
.page-contact .pc-links a:focus-visible {
  color: var(--midnight);
  background: rgba(122, 59, 255, .09);
  padding-left: 14px;
}

/* ---------- 底部装饰 ---------- */
.page-contact .pc-footart {
  position: relative;
  margin: 0;
  line-height: 0;
  background: var(--midnight);
}

.page-contact .pc-footart img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  opacity: .88;
}

.page-contact .pc-footart::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(11, 16, 48, .6), rgba(11, 16, 48, 0) 46%, rgba(11, 16, 48, .72));
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-contact .pc-slot {
    flex-direction: row;
    align-items: baseline;
    justify-content: space-between;
    gap: 24px;
  }

  .page-contact .pc-slot dt {
    flex: 0 0 auto;
  }

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

@media (min-width: 769px) {
  .page-contact .pc-hero {
    padding: 52px 0 92px;
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 44px), 0 100%);
  }

  .page-contact .pc-band {
    padding: 84px 0;
  }

  .page-contact .pc-band--tight {
    padding: 64px 0;
  }

  .page-contact .pc-skyline {
    height: 108px;
  }

  .page-contact .pc-addr {
    padding: 38px 36px 0;
  }
}

@media (min-width: 880px) {
  .page-contact .pc-cols {
    gap: 56px;
  }

  .page-contact .pc-cols--channels {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }

  .page-contact .pc-cols--form {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: start;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-addr,
  .page-contact .pc-links a,
  .page-contact .pc-type span,
  .page-contact .pc-field input,
  .page-contact .pc-field textarea {
    transition: none;
  }

  .page-contact .pc-addr:hover,
  .page-contact .pc-addr:focus-within {
    transform: none;
  }
}