.page-contact {
  display: block;
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(30px, 6vw, 68px) 0 clamp(46px, 9vw, 104px);
  background:
    radial-gradient(115% 90% at 92% 2%, rgba(255, 138, 61, .16), transparent 58%),
    radial-gradient(85% 80% at 4% 98%, rgba(63, 224, 206, .14), transparent 62%),
    var(--ink);
}

.page-contact .pc-hero__slash {
  position: absolute;
  top: -18%;
  right: -22%;
  width: min(62vw, 640px);
  height: 140%;
  background: linear-gradient(150deg, rgba(63, 224, 206, .22), rgba(63, 224, 206, 0) 72%);
  border-left: var(--bw-thick) solid var(--line);
  transform: skewX(-15deg);
  pointer-events: none;
}

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

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

.page-contact .pc-hero h1 {
  margin: 14px 0 0;
  max-width: 20ch;
  font-family: var(--font-serif);
  font-size: clamp(30px, 6.2vw, 52px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: .01em;
  color: var(--text);
}

.page-contact .pc-hero .lede {
  margin: 20px 0 0;
  max-width: 62ch;
}

.page-contact .pc-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

/* ---------- 三类通道 ---------- */
.page-contact .pc-fan {
  display: grid;
  gap: 26px;
  margin-top: clamp(28px, 5vw, 48px);
}

.page-contact .pc-lane {
  position: relative;
  padding: 28px 22px 24px;
  background: linear-gradient(180deg, rgba(12, 27, 46, .97), rgba(6, 14, 26, .97));
  border: var(--bw) solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  transition: border-color .22s ease, box-shadow .22s ease, transform .22s ease;
}

.page-contact .pc-lane::before {
  content: "";
  position: absolute;
  top: -3px;
  left: -3px;
  right: -3px;
  height: 3px;
  border-radius: var(--radius) var(--radius) 0 0;
  background: var(--pc-accent, var(--teal));
}

.page-contact .pc-lane--a { --pc-accent: var(--teal); }
.page-contact .pc-lane--b { --pc-accent: var(--orange); }
.page-contact .pc-lane--c { --pc-accent: var(--amber); }

.page-contact .pc-lane:hover,
.page-contact .pc-lane:focus-within {
  border-color: var(--teal);
  box-shadow: var(--shadow-teal);
  transform: translateY(-3px);
}

.page-contact .pc-lane__num {
  margin: 0;
  font-size: 13px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .pc-lane__title {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-size: 21px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text);
}

.page-contact .pc-lane__desc {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .pc-lane__list {
  margin: 16px 0 0;
  padding: 0 0 0 4px;
  list-style: none;
  display: grid;
  gap: 9px;
  border-left: var(--bw) solid var(--line);
  padding-left: 14px;
}

.page-contact .pc-lane__list li {
  position: relative;
  padding-left: 14px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text);
}

.page-contact .pc-lane__list li::before {
  content: "";
  position: absolute;
  top: .68em;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--pc-accent, var(--teal));
}

.page-contact .pc-lane__to {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 2px solid var(--line);
  font-size: 14.5px;
}

.page-contact .pc-lane__to a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 206, .4);
  padding-bottom: 2px;
}

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

.page-contact .pc-fan__figure {
  margin: clamp(34px, 6vw, 58px) 0 0;
}

/* ---------- 邮件规范 ---------- */
.page-contact .pc-rules {
  list-style: none;
  margin: clamp(26px, 4vw, 42px) 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
  border-left: var(--bw-thick) solid var(--line);
}

.page-contact .pc-rule {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 22px 18px;
  background: var(--panel);
  border-top: 2px solid var(--ink);
}

.page-contact .pc-rule:first-child {
  border-top: 0;
}

.page-contact .pc-rule__n {
  font-size: 15px;
  line-height: 1.5;
  color: var(--amber);
}

.page-contact .pc-rule__t {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
}

.page-contact .pc-rule__body p {
  margin: 10px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .pc-hl {
  display: inline-block;
  max-width: 100%;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--amber);
  background: rgba(255, 209, 102, .08);
  border: 1px dashed rgba(255, 209, 102, .34);
  border-radius: 6px;
  padding: 5px 10px;
  overflow-wrap: anywhere;
}

.page-contact .pc-mail__foot {
  margin: 28px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
  padding-left: 16px;
  border-left: var(--bw) solid var(--orange);
}

.page-contact .pc-mail__foot a {
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 138, 61, .45);
}

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

/* ---------- 通道反馈 ---------- */
.page-contact .pc-feedback {
  margin-top: clamp(26px, 4vw, 42px);
}

.page-contact .pc-steps {
  margin-top: 0;
}

.page-contact .pc-feedback__side {
  margin-top: 30px;
}

.page-contact .pc-feedback__side .figure {
  margin: 0;
}

.page-contact .pc-kit {
  margin-top: 22px;
  padding: 20px 18px;
  border: var(--bw) solid var(--line);
  border-radius: var(--radius);
  background: rgba(6, 14, 26, .55);
}

.page-contact .pc-kit__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
}

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

/* ---------- 响应节奏 ---------- */
.page-contact .pc-timeline {
  position: relative;
  margin-top: clamp(34px, 5vw, 52px);
  padding-top: 34px;
}

.page-contact .pc-timeline__bar {
  position: absolute;
  top: 17px;
  left: 0;
  right: 0;
  height: 4px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--teal), var(--orange) 55%, var(--amber));
  opacity: .75;
}

.page-contact .pc-timeline__marks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 26px;
}

.page-contact .pc-timeline__mark {
  position: relative;
  padding: 24px 18px 20px;
  background: var(--panel);
  border: var(--bw) solid var(--line);
  border-radius: var(--radius);
  transition: border-color .22s ease, box-shadow .22s ease;
}

.page-contact .pc-timeline__mark:hover,
.page-contact .pc-timeline__mark:focus-within {
  border-color: var(--teal);
  box-shadow: var(--shadow-teal);
}

.page-contact .pc-timeline__dot {
  position: absolute;
  top: -24px;
  left: 20px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 4px rgba(63, 224, 206, .16);
}

.page-contact .pc-timeline__mark:nth-child(2) .pc-timeline__dot {
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 138, 61, .18);
}

.page-contact .pc-timeline__mark:nth-child(3) .pc-timeline__dot {
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(255, 209, 102, .18);
}

.page-contact .pc-timeline__stage {
  margin: 0;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--muted);
}

.page-contact .pc-timeline__label {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
}

.page-contact .pc-timeline__val {
  margin: 8px 0 0;
  font-size: 17px;
  color: var(--amber);
}

.page-contact .pc-timeline__tip {
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 2px solid var(--line);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .pc-timing__foot {
  margin: 30px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .pc-timing__foot a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 206, .4);
}

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

/* ---------- 联络铭牌 ---------- */
.page-contact .pc-plates {
  display: grid;
  gap: 18px;
  margin-top: clamp(26px, 4vw, 42px);
}

.page-contact .pc-plate {
  position: relative;
  padding: 26px 22px 22px;
  border: var(--bw-thick) solid var(--line);
  border-radius: 6px;
  background:
    linear-gradient(152deg, rgba(233, 239, 247, .10), rgba(233, 239, 247, .02) 44%),
    var(--panel);
  box-shadow: var(--shadow-hard), inset 0 1px 0 rgba(233, 239, 247, .14);
}

.page-contact .pc-plate::before,
.page-contact .pc-plate::after {
  content: "";
  position: absolute;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(233, 239, 247, .26);
}

.page-contact .pc-plate::before { left: 11px; }
.page-contact .pc-plate::after { right: 11px; }

.page-contact .pc-plate__key {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .pc-plate__val {
  margin: 12px 0 0;
  font-size: clamp(17px, 4vw, 20px);
  line-height: 1.6;
  color: var(--amber);
  overflow-wrap: anywhere;
}

.page-contact .pc-plate__val--addr {
  font-family: var(--font-body);
  font-size: clamp(16px, 3.6vw, 19px);
  color: var(--text);
}

.page-contact .pc-plate__val a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 2px solid rgba(255, 209, 102, .4);
  padding-bottom: 2px;
  transition: color .2s ease, border-color .2s ease;
}

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

.page-contact .pc-plate__note {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .pc-directory__foot {
  margin: 30px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
  padding-left: 16px;
  border-left: var(--bw) solid var(--teal);
}

.page-contact .pc-directory__foot a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 206, .45);
}

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

/* ---------- 图片容器兜底 ---------- */
.page-contact .figure__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-contact .pc-plates {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .pc-plate--wide {
    grid-column: 1 / -1;
  }

  .page-contact .pc-timeline__marks {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .pc-timeline__bar {
    top: 17px;
  }
}

@media (min-width: 860px) {
  .page-contact .pc-fan {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
    align-items: start;
  }

  .page-contact .pc-lane--a { margin-top: 0; }
  .page-contact .pc-lane--b { margin-top: 34px; }
  .page-contact .pc-lane--c { margin-top: 68px; }

  .page-contact .pc-feedback__side {
    margin-top: 0;
  }
}

@media (min-width: 1024px) {
  .page-contact .pc-hero {
    padding-bottom: clamp(80px, 8vw, 118px);
  }

  .page-contact .pc-rule {
    padding: 26px 26px;
    gap: 22px;
  }
}
<<<END>>>