.page-contact {
  position: relative;
  overflow-x: hidden;
  background:
    repeating-linear-gradient(90deg, rgba(42, 55, 66, .20) 0 1px, transparent 1px 92px),
    repeating-linear-gradient(0deg, rgba(42, 55, 66, .16) 0 1px, transparent 1px 92px),
    var(--ink);
}

/* ---------- 首屏 ---------- */

.page-contact .pc-hero {
  position: relative;
  padding: var(--s6) 0 var(--s5);
  overflow: hidden;
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  top: -200px;
  left: -30%;
  width: 120%;
  height: 480px;
  background: linear-gradient(115deg, rgba(123, 77, 255, .32) 0%, rgba(34, 211, 197, .16) 44%, transparent 74%);
  clip-path: polygon(0 0, 100% 0, 70% 100%, 0 100%);
  pointer-events: none;
}

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

.page-contact .pc-hero-grid {
  display: grid;
  gap: var(--s4);
  margin-top: var(--s4);
}

.page-contact .pc-hero-main h1 {
  margin: var(--s2) 0 0;
  font-size: clamp(36px, 8vw, 78px);
  line-height: 1.08;
  letter-spacing: -.02em;
  text-shadow: 0 0 30px rgba(180, 240, 60, .22);
}

.page-contact .pc-hero-main .lede {
  margin-top: var(--s3);
  max-width: 40ch;
  color: var(--mist);
}

.page-contact .pc-hero-aside {
  border-left: 2px solid rgba(180, 240, 60, .55);
  padding-left: var(--s3);
  display: flex;
  flex-direction: column;
  gap: var(--s2);
}

.page-contact .pc-aside-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .pc-jump {
  display: inline-block;
  align-self: flex-start;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px dashed rgba(180, 240, 60, .5);
  padding-bottom: 4px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

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

@media (min-width: 900px) {
  .page-contact .pc-hero {
    padding: var(--s7) 0 var(--s6);
  }

  .page-contact .pc-hero-grid {
    grid-template-columns: minmax(0, 1.62fr) minmax(0, 1fr);
    align-items: end;
    gap: var(--s5);
  }

  .page-contact .pc-hero-aside {
    padding-left: var(--s4);
  }
}

/* ---------- 联络板 ---------- */

.page-contact .pc-board-section {
  padding-top: 0;
}

.page-contact .pc-board {
  display: grid;
  gap: var(--s5);
}

.page-contact .pc-contact-card {
  position: relative;
  border-radius: var(--r-l);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--slate);
  isolation: isolate;
}

.page-contact .pc-card-glow {
  position: absolute;
  inset: -22%;
  background:
    radial-gradient(circle at 24% 14%, rgba(180, 240, 60, .34), transparent 52%),
    radial-gradient(circle at 84% 88%, rgba(123, 77, 255, .34), transparent 55%);
  animation: pc-breathe 5.5s var(--ease) infinite;
  pointer-events: none;
}

@keyframes pc-breathe {
  0%, 100% { opacity: .68; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
}

.page-contact .pc-card-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .26;
  mix-blend-mode: screen;
  pointer-events: none;
}

.page-contact .pc-card-body {
  position: relative;
  z-index: 1;
  padding: var(--s5) var(--s4);
}

.page-contact .pc-card-tag {
  margin: 0;
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--lime);
}

.page-contact .pc-card-h {
  margin: var(--s2) 0 var(--s4);
  font-size: clamp(24px, 4.6vw, 34px);
  line-height: 1.24;
  letter-spacing: -.01em;
}

.page-contact .pc-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--s2) var(--s3);
  padding: var(--s3) 0;
  border-bottom: 1px dashed rgba(42, 55, 66, .95);
}

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

.page-contact .pc-line-main {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
  flex: 1 1 260px;
}

.page-contact .pc-line-lb {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--mist);
}

.page-contact .pc-phone {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(22px, 5.6vw, 32px);
  letter-spacing: .04em;
  color: var(--lime);
  text-decoration: none;
  text-shadow: 0 0 22px rgba(180, 240, 60, .35);
  word-break: break-all;
  transition: color .2s var(--ease);
}

.page-contact .pc-phone:hover {
  color: var(--paper);
}

.page-contact .pc-mail {
  font-family: var(--font-mono);
  font-size: clamp(13px, 3.4vw, 17px);
  color: var(--paper);
  text-decoration: none;
  word-break: break-all;
  transition: color .2s var(--ease);
}

.page-contact .pc-mail:hover {
  color: var(--lime);
}

.page-contact .pc-addr {
  font-size: 16px;
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .pc-copy {
  flex: 0 0 auto;
  padding: 7px 16px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(180, 240, 60, .45);
  background: rgba(180, 240, 60, .06);
  color: var(--lime);
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: .08em;
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease), transform .2s var(--ease);
}

.page-contact .pc-copy:hover {
  background: var(--lime);
  color: var(--ink);
  transform: translateY(-2px);
}

.page-contact .pc-copy[data-copied="true"] {
  background: var(--lime);
  color: var(--ink);
}

.page-contact .pc-card-note {
  margin: var(--s4) 0 0;
  padding-left: var(--s3);
  border-left: 3px solid var(--clay);
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .pc-card-note a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(180, 240, 60, .45);
}

/* ---------- 准备清单 ---------- */

.page-contact .pc-prepare .section-head {
  margin-bottom: var(--s4);
}

.page-contact .pc-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--s3);
}

.page-contact .pc-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--s3);
  padding: var(--s3) var(--s3) var(--s3) var(--s3);
  border-radius: 0 var(--r-m) var(--r-m) 0;
  border-left: 2px solid var(--line);
  background: linear-gradient(90deg, rgba(18, 28, 36, .92), rgba(18, 28, 36, .18) 88%);
  transition: border-color .24s var(--ease), transform .24s var(--ease);
}

.page-contact .pc-step:hover {
  border-left-color: var(--lime);
  transform: translateX(4px);
}

.page-contact .pc-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--r-s);
  background: rgba(180, 240, 60, .1);
  border: 1px solid rgba(180, 240, 60, .45);
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .04em;
}

.page-contact .pc-step-t {
  margin: 0 0 6px;
  font-size: 18px;
  line-height: 1.4;
}

.page-contact .pc-step-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .pc-prepare-tail {
  margin: var(--s4) 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .pc-prepare-tail a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(180, 240, 60, .45);
}

@media (min-width: 1000px) {
  .page-contact .pc-board {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    gap: var(--s6);
    align-items: start;
  }

  .page-contact .pc-card-body {
    padding: var(--s6) var(--s5);
  }
}

/* ---------- 响应节奏 ---------- */

.page-contact .pc-reach {
  padding-top: 0;
}

.page-contact .pc-reach-grid {
  gap: var(--s5);
  align-items: start;
}

.page-contact .pc-reach-text .section-title {
  margin: var(--s2) 0 var(--s3);
}

.page-contact .pc-reach-lede {
  margin: 0;
  max-width: 42ch;
  color: var(--mist);
}

.page-contact .pc-stats {
  display: grid;
  gap: var(--s2);
  margin: var(--s5) 0 0;
}

.page-contact .pc-stat {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: var(--s3);
  padding: var(--s3) var(--s3);
  border-radius: var(--r-m);
  background: var(--slate2);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
}

.page-contact .pc-stat-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(28px, 6vw, 40px);
  font-weight: 500;
  color: var(--lime);
  letter-spacing: -.01em;
}

.page-contact .pc-stat-lb {
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .pc-rhythm {
  list-style: none;
  margin: var(--s5) 0 0;
  padding: 0;
  display: grid;
  gap: var(--s2);
}

.page-contact .pc-rhythm li {
  position: relative;
  padding-left: var(--s3);
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .pc-rhythm li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--clay);
  box-shadow: 0 0 12px rgba(255, 122, 51, .6);
}

.page-contact .pc-rhythm strong {
  color: var(--paper);
  font-weight: 600;
  margin-right: 6px;
}

.page-contact .pc-reach-visual .media-frame {
  border-radius: var(--r-l);
}

.page-contact .pc-visual-cap {
  margin: var(--s3) 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 合作通道 ---------- */

.page-contact .pc-partner {
  padding-top: 0;
}

.page-contact .pc-partner-card {
  position: relative;
  border-radius: var(--r-l);
  padding: var(--s5) var(--s4);
  background:
    linear-gradient(140deg, rgba(123, 77, 255, .22) 0%, rgba(18, 28, 36, .96) 52%, rgba(10, 14, 18, .98) 100%);
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-contact .pc-partner-card::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -80px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(180, 240, 60, .22), transparent 68%);
  pointer-events: none;
}

.page-contact .pc-partner-card .section-title {
  margin: var(--s2) 0 var(--s3);
  max-width: 22ch;
}

.page-contact .pc-partner-card > p {
  margin: 0;
  max-width: 60ch;
  color: var(--mist);
}

.page-contact .pc-partner-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2);
  margin: var(--s4) 0 var(--s5);
}

.page-contact .pc-partner-tags span {
  padding: 7px 16px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(42, 55, 66, .95);
  background: rgba(10, 14, 18, .55);
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--cyan);
}

.page-contact .pc-partner-card .btn {
  position: relative;
  z-index: 1;
}

@media (min-width: 900px) {
  .page-contact .pc-partner-card {
    padding: var(--s6) var(--s5);
  }
}

/* ---------- 站点与备案带 ---------- */

.page-contact .pc-identity {
  margin-top: var(--s6);
  padding: calc(var(--s6) + 28px) 0 var(--s5);
  background: var(--paper);
  color: var(--ink);
  clip-path: polygon(0 44px, 100% 0, 100% 100%, 0 100%);
}

.page-contact .pc-identity-inner {
  display: grid;
  gap: var(--s4);
}

.page-contact .pc-id-lb {
  display: inline-block;
  font-size: 12px;
  letter-spacing: .22em;
  color: #6b6257;
}

.page-contact .pc-id-name {
  margin: var(--s2) 0 4px;
  font-size: clamp(22px, 5vw, 30px);
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-contact .pc-id-domain {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .02em;
  color: #4a5560;
  word-break: break-all;
}

.page-contact .pc-id-icp {
  margin: var(--s2) 0 6px;
  font-family: var(--font-mono);
  font-size: clamp(16px, 4vw, 22px);
  font-weight: 500;
  letter-spacing: .02em;
  color: var(--ink);
}

.page-contact .pc-id-extra {
  margin: 0;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.8;
  color: #4a5560;
}

.page-contact .pc-id-extra a {
  color: #6b4a12;
  text-decoration: none;
  border-bottom: 1px solid rgba(107, 74, 18, .45);
}

.page-contact .pc-id-extra a:hover {
  color: var(--ink);
  border-color: var(--ink);
}

@media (min-width: 860px) {
  .page-contact .pc-identity {
    margin-top: var(--s7);
    padding: calc(var(--s7) + 20px) 0 var(--s6);
  }

  .page-contact .pc-identity-inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
    gap: var(--s6);
    align-items: start;
  }
}