.page-contact {
  --pc-panel: #12161E;
  --pc-panel-2: #171B26;
  --pc-notch: 20px;
  position: relative;
  background:
    radial-gradient(115% 55% at 88% 0%, rgba(255, 138, 31, 0.10), transparent 62%),
    radial-gradient(80% 40% at 0% 100%, rgba(69, 216, 230, 0.06), transparent 70%),
    var(--ink);
  color: var(--white);
  padding-bottom: clamp(72px, 9vw, 128px);
  overflow-x: clip;
}

.page-contact .l8-section {
  padding-block: clamp(64px, 8vw, 116px) 0;
}

/* ---------- 面包屑 ---------- */
.page-contact .pc-crumb {
  padding-top: clamp(18px, 3vw, 30px);
}
.page-contact .l8-breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--mist);
}
.page-contact .l8-breadcrumb__list li {
  display: flex;
  align-items: center;
}
.page-contact .l8-breadcrumb__list li + li::before {
  content: "/";
  color: var(--steel);
  margin-right: 8px;
}
.page-contact .l8-breadcrumb__list a {
  color: var(--mist);
  text-decoration: none;
  transition: color 0.2s ease;
}
.page-contact .l8-breadcrumb__list a:hover,
.page-contact .l8-breadcrumb__list a:focus-visible {
  color: var(--cyan);
}
.page-contact .l8-breadcrumb__list [aria-current="page"] {
  color: var(--white);
}

/* ---------- 通用排版微调 ---------- */
.page-contact .l8-eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.26em;
  color: var(--amber);
}
.page-contact .l8-h2 {
  margin: 8px 0 12px;
  font-size: clamp(24px, 3.6vw, 34px);
  line-height: 1.24;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.page-contact .l8-h3 {
  margin: 0;
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.4;
  font-weight: 700;
}
.page-contact .l8-note {
  color: var(--mist);
  font-size: 14px;
  line-height: 1.75;
}
.page-contact .l8-lead {
  color: var(--mist);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
}
.page-contact .pc-head {
  max-width: 720px;
  margin-bottom: clamp(24px, 3.4vw, 40px);
}
.page-contact .pc-head__note {
  margin: 0;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  align-items: start;
  padding-top: clamp(26px, 4vw, 50px);
}
.page-contact .pc-hero__body {
  position: relative;
}
.page-contact .pc-hero__sidenote {
  display: block;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.34em;
  color: var(--mist-dim);
  writing-mode: vertical-rl;
}
.page-contact .pc-hero__title {
  margin: 0 0 18px;
  font-size: clamp(32px, 6.2vw, 56px);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
.page-contact .pc-hero__title em {
  font-style: normal;
  color: var(--amber);
  text-shadow: 0 0 26px rgba(255, 138, 31, 0.35);
}
.page-contact .pc-hero__lead {
  max-width: 48ch;
  margin: 0 0 26px;
}
.page-contact .pc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-contact .pc-hero__media {
  margin: 0;
}

.page-contact .l8-media {
  position: relative;
  display: block;
  overflow: hidden;
  border: 1px solid var(--steel);
  background: var(--cab);
}
.page-contact .l8-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-contact .pc-hero__media img {
  aspect-ratio: 2 / 1;
}
.page-contact .pc-channels__media img {
  aspect-ratio: 3 / 2;
}
.page-contact .l8-media__grid,
.page-contact .l8-media__glow,
.page-contact .l8-media__scan {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.page-contact .l8-media__grid {
  background-image:
    linear-gradient(rgba(41, 48, 61, 0.55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(41, 48, 61, 0.55) 1px, transparent 1px);
  background-size: 44px 44px;
  opacity: 0.45;
}
.page-contact .l8-media__glow {
  background: radial-gradient(58% 68% at 80% 10%, rgba(255, 138, 31, 0.30), transparent 70%);
}
.page-contact .l8-media__scan {
  background: repeating-linear-gradient(180deg, rgba(10, 11, 15, 0.24) 0 1px, transparent 1px 4px);
  opacity: 0.45;
}
.page-contact .l8-media__caption {
  padding: 10px 14px;
  border-top: 1px solid var(--steel);
  background: rgba(10, 11, 15, 0.72);
  color: var(--mist-dim);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
}

/* ---------- 渠道选择 ---------- */
.page-contact .pc-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
}
.page-contact .l8-filter {
  appearance: none;
  padding: 9px 17px;
  border: 1px solid var(--steel);
  background: transparent;
  color: var(--mist);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 9px) 0, 100% 9px, 100% 100%, 9px 100%, 0 calc(100% - 9px));
  transition: color 0.24s ease, border-color 0.24s ease, background 0.24s ease;
}
.page-contact .l8-filter:hover,
.page-contact .l8-filter:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}
.page-contact .l8-filter.is-active,
.page-contact .l8-filter[aria-pressed="true"] {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink);
}
.page-contact .l8-filter-status {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1;
  color: var(--mist-dim);
}

.page-contact .pc-cards {
  gap: var(--panel-gap);
}
.page-contact .pc-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(22px, 3vw, 32px);
  background: linear-gradient(180deg, var(--pc-panel-2), var(--pc-panel));
  border: 1px solid var(--steel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pc-notch)), calc(100% - var(--pc-notch)) 100%, 0 100%);
  transition: border-color 0.28s ease, transform 0.28s ease;
}
.page-contact .pc-card::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: var(--pc-notch);
  height: var(--pc-notch);
  background: linear-gradient(135deg, transparent 49%, var(--steel) 50%);
}
.page-contact .pc-card:hover {
  border-color: var(--cyan);
  transform: translateY(-3px);
}
.page-contact .pc-card__light {
  display: block;
  width: 10px;
  height: 10px;
  margin-bottom: 16px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(69, 216, 230, 0.14), 0 0 12px rgba(69, 216, 230, 0.7);
}
.page-contact .pc-card--tel .pc-card__light {
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(255, 138, 31, 0.16), 0 0 12px rgba(255, 138, 31, 0.75);
}
.page-contact .pc-card__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.2em;
  color: var(--mist-dim);
}
.page-contact .pc-list {
  display: grid;
  gap: 10px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}
.page-contact .pc-list li {
  position: relative;
  padding-left: 18px;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.7;
}
.page-contact .pc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  background: var(--steel);
  transform: rotate(45deg);
}
.page-contact .pc-card__foot {
  margin: auto 0 0;
  padding-top: 16px;
}
.page-contact .pc-card__foot::before {
  content: "";
  display: block;
  width: 48px;
  height: 1px;
  margin-bottom: 12px;
  background: var(--amber);
  opacity: 0.7;
}
.page-contact .pc-channels__media {
  margin: clamp(24px, 3.4vw, 40px) 0 0;
}

/* ---------- 接线台面板 ---------- */
.page-contact .pc-desk__frame {
  position: relative;
  padding: clamp(24px, 4vw, 48px);
  background: linear-gradient(158deg, #1C1610 0%, var(--pc-panel) 48%, #0F131A 100%);
  border: 1px solid var(--steel);
}
.page-contact .pc-desk__frame::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--amber), rgba(255, 138, 31, 0));
}
.page-contact .pc-desk__main .l8-h2 {
  margin-bottom: 8px;
}
.page-contact .pc-line {
  display: grid;
  gap: 12px;
  padding: clamp(18px, 2.6vw, 24px) 0;
  border-bottom: 1px solid var(--steel);
}
.page-contact .pc-line__badge {
  justify-self: start;
  padding: 6px 11px;
  border: 1px solid var(--steel);
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.18em;
}
.page-contact .pc-line__badge--mail {
  color: var(--cyan);
  border-color: rgba(69, 216, 230, 0.5);
}
.page-contact .pc-line__badge--tel {
  color: var(--amber);
  border-color: rgba(255, 138, 31, 0.5);
}
.page-contact .pc-line__value {
  display: inline-block;
  color: var(--white);
  font-size: clamp(18px, 3.6vw, 30px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
  text-decoration: none;
  word-break: break-all;
  transition: color 0.24s ease;
}
.page-contact .pc-line__value:hover,
.page-contact .pc-line__value:focus-visible {
  color: var(--gold);
}
.page-contact .pc-line__desc {
  margin: 6px 0 0;
}
.page-contact .pc-copy {
  justify-self: start;
}
.page-contact .pc-desk__meta {
  display: grid;
  gap: 16px;
  margin-top: clamp(22px, 3vw, 30px);
  padding-top: clamp(20px, 3vw, 28px);
  border-top: 1px dashed var(--steel);
}
.page-contact .pc-meta__k {
  display: block;
  margin-bottom: 6px;
  color: var(--mist-dim);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.2em;
}
.page-contact .pc-meta__v {
  color: var(--white);
  font-size: 15px;
  line-height: 1.6;
  word-break: break-word;
}

/* ---------- 咨询事项 ---------- */
.page-contact .pc-help__grid {
  display: grid;
  gap: 1px;
  background: var(--steel);
  border: 1px solid var(--steel);
}
.page-contact .pc-help__item {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: clamp(20px, 2.6vw, 28px);
  background: #10141B;
  transition: background 0.28s ease;
}
.page-contact .pc-help__item:hover {
  background: #141A24;
}
.page-contact .pc-help__idx {
  color: var(--amber);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
}
.page-contact .pc-help__item p {
  margin: 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- 回复时效 ---------- */
.page-contact .pc-response__inner {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}
.page-contact .pc-response__lede p {
  margin: 0 0 22px;
  max-width: 42ch;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.8;
}
.page-contact .pc-timeline {
  display: grid;
  gap: 24px;
  margin: 0;
  padding: 0 0 0 26px;
  border-left: 1px solid var(--steel);
  list-style: none;
}
.page-contact .pc-timeline li {
  position: relative;
  display: grid;
  gap: 6px;
}
.page-contact .pc-timeline li::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 0.42em;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 10px rgba(255, 138, 31, 0.75);
}
.page-contact .pc-timeline__time {
  color: var(--cyan);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
}
.page-contact .pc-timeline strong {
  color: var(--white);
  font-size: 16px;
  font-weight: 700;
}
.page-contact .pc-timeline p {
  margin: 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.75;
}

/* ---------- 来信准备 ---------- */
.page-contact .pc-prepare__grid {
  gap: clamp(28px, 4vw, 48px);
}
.page-contact .pc-prepare__lede p {
  margin: 0 0 20px;
  max-width: 38ch;
}
.page-contact .pc-checklist {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .pc-checklist li {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  background: var(--pc-panel);
  border: 1px solid var(--steel);
  transition: border-color 0.24s ease, background 0.24s ease;
}
.page-contact .pc-checklist li:hover {
  border-color: var(--cyan);
  background: #151B25;
}
.page-contact .pc-check {
  position: relative;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border: 1px solid var(--steel);
}
.page-contact .pc-check::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 6px;
  width: 9px;
  height: 5px;
  border-left: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(-45deg);
  opacity: 0;
  transition: opacity 0.24s ease;
}
.page-contact .pc-checklist li:hover .pc-check::after,
.page-contact .pc-checklist li:focus-within .pc-check::after {
  opacity: 1;
}
.page-contact .pc-check__t {
  display: block;
  color: var(--white);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
}
.page-contact .pc-check__d {
  display: block;
  margin-top: 4px;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.72;
}

/* ---------- 相关入口 ---------- */
.page-contact .pc-trail__inner {
  display: grid;
  gap: 20px;
}
.page-contact .pc-trail__title {
  margin: 0;
  font-size: clamp(18px, 2.4vw, 24px);
  font-weight: 800;
  line-height: 1.4;
}
.page-contact .pc-trail__links {
  display: grid;
  gap: 10px;
}
.page-contact .pc-trail__link {
  display: grid;
  gap: 4px;
  padding: 16px 18px;
  background: #10141B;
  border: 1px solid var(--steel);
  color: var(--white);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: border-color 0.24s ease, transform 0.24s ease, background 0.24s ease;
}
.page-contact .pc-trail__link span {
  color: var(--mist);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.6;
}
.page-contact .pc-trail__link:hover,
.page-contact .pc-trail__link:focus-visible {
  border-color: var(--amber);
  background: #151A22;
  transform: translateX(3px);
}

/* ---------- 入场动效 ---------- */
.page-contact [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.page-contact [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}
.page-contact [data-reveal-delay="1"] {
  transition-delay: 60ms;
}
.page-contact [data-reveal-delay="2"] {
  transition-delay: 120ms;
}
.page-contact .l8-js [data-reveal] {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-contact [data-reveal],
  .page-contact [data-reveal].is-visible {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .page-contact .pc-card:hover,
  .page-contact .pc-trail__link:hover {
    transform: none;
  }
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-contact .pc-help__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .pc-desk__meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .pc-trail__links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .pc-line {
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 22px;
  }
  .page-contact .pc-copy {
    justify-self: end;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-contact .pc-hero {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
    gap: clamp(40px, 5vw, 72px);
  }
  .page-contact .pc-hero__body {
    padding-left: 52px;
  }
  .page-contact .pc-hero__sidenote {
    position: absolute;
    left: 0;
    top: 4px;
    margin: 0;
  }
  .page-contact .pc-hero__media {
    margin-top: 6px;
  }
  .page-contact .pc-response__inner {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    align-items: start;
  }
  .page-contact .pc-prepare__grid {
    align-items: start;
  }
}

@media (min-width: 1060px) {
  .page-contact .pc-help__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
<<<END>>>