.page-contact {
  --pc-deep: #050B16;
  --pc-panel: #0C1729;
  --pc-panel-2: #10203A;
  --pc-line: #1E3652;
  background:
    radial-gradient(120% 55% at 85% 0%, rgba(43, 224, 200, 0.07), transparent 62%),
    radial-gradient(100% 60% at 5% 28%, rgba(122, 92, 255, 0.08), transparent 60%),
    var(--ink-deep);
  color: var(--white);
  font-family: var(--font-sans);
  padding-block: clamp(24px, 4vw, 44px) clamp(72px, 10vw, 140px);
}

.page-contact .pc-wrap {
  width: 100%;
  max-width: 1320px;
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

@media (min-width: 960px) {
  .page-contact .pc-wrap {
    padding-left: calc(var(--rail-w) + var(--pad-x));
    padding-right: var(--pad-x);
  }
}

/* ---------- 通用区块标题 ---------- */

.page-contact .section-head {
  display: grid;
  gap: 12px;
  max-width: 60ch;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-contact .section-head h2 {
  margin: 0;
  font-size: clamp(26px, 3.6vw, 44px);
  font-weight: 200;
  line-height: 1.14;
  letter-spacing: -0.025em;
  color: var(--white);
}

.page-contact .section-head__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 56ch;
}

/* ---------- 首屏框景 ---------- */

.page-contact .contact-hero {
  margin-top: clamp(18px, 3vw, 34px);
}

.page-contact .contact-hero__frame {
  position: relative;
  border: 1px solid var(--pc-line);
  background: linear-gradient(158deg, rgba(16, 32, 58, 0.92) 0%, rgba(7, 14, 27, 0.88) 100%);
  padding: clamp(30px, 5vw, 68px) clamp(20px, 4vw, 64px) clamp(30px, 4.5vw, 56px);
  animation: pc-frame-in 0.5s var(--ease) both;
}

.page-contact .contact-hero__frame::before,
.page-contact .contact-hero__frame::after {
  content: "";
  position: absolute;
  left: clamp(20px, 4vw, 64px);
  right: clamp(20px, 4vw, 64px);
  height: 6px;
  background-image: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 16px);
  opacity: 0.85;
  pointer-events: none;
}

.page-contact .contact-hero__frame::before { top: 12px; }
.page-contact .contact-hero__frame::after { bottom: 12px; }

.page-contact .contact-hero h1 {
  margin: 16px 0 22px;
  font-size: clamp(34px, 6.2vw, 72px);
  font-weight: 200;
  line-height: 1.06;
  letter-spacing: -0.03em;
  color: var(--white);
  max-width: 20ch;
}

.page-contact .contact-hero .lede {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.5vw, 17.5px);
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .contact-hero__meta {
  list-style: none;
  margin: clamp(28px, 4vw, 40px) 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--pc-line);
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-contact .contact-hero__media {
  margin: clamp(18px, 2.5vw, 28px) 0 0;
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border: 1px solid var(--pc-line);
  filter: saturate(0.85) brightness(0.82);
}

/* ---------- 三个入口 ---------- */

.page-contact .contact-routes {
  margin-top: clamp(64px, 9vw, 120px);
}

.page-contact .route-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

@media (min-width: 880px) {
  .page-contact .route-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

.page-contact .route-card {
  position: relative;
  background: linear-gradient(168deg, rgba(16, 32, 58, 0.78) 0%, rgba(8, 15, 30, 0.92) 100%);
  border: 1px solid var(--pc-line);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
  transition: background 0.25s var(--ease);
}

.page-contact .route-card:hover,
.page-contact .route-card[open] {
  background: linear-gradient(168deg, rgba(28, 51, 80, 0.85) 0%, rgba(8, 15, 30, 0.95) 100%);
}

.page-contact .route-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 22px;
  width: 62px;
  height: 3px;
  background: var(--accent, var(--aqua));
  transform: skewX(-32deg);
  transform-origin: left center;
  transition: width 0.25s var(--ease);
}

.page-contact .route-card:hover::before,
.page-contact .route-card[open]::before {
  width: 96px;
}

.page-contact .route-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 38%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent, var(--aqua)));
  opacity: 0.5;
  transform: skewX(-32deg);
  transform-origin: right top;
}

.page-contact .route-card__summary {
  position: relative;
  display: block;
  padding: 34px 24px 26px;
  cursor: pointer;
  list-style: none;
}

.page-contact .route-card__summary::-webkit-details-marker { display: none; }

.page-contact .route-card__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--accent, var(--aqua));
  margin-bottom: 14px;
}

.page-contact .route-card__name {
  display: block;
  font-size: clamp(20px, 2.2vw, 25px);
  font-weight: 300;
  letter-spacing: -0.015em;
  color: var(--white);
}

.page-contact .route-card__hint {
  display: block;
  margin-top: 10px;
  padding-right: 26px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .route-card__toggle {
  position: absolute;
  top: 34px;
  right: 22px;
  width: 16px;
  height: 16px;
}

.page-contact .route-card__toggle::before,
.page-contact .route-card__toggle::after {
  content: "";
  position: absolute;
  background: var(--mist);
  transition: transform 0.22s var(--ease), background-color 0.22s var(--ease);
}

.page-contact .route-card__toggle::before { top: 7px; left: 0; width: 16px; height: 1px; }
.page-contact .route-card__toggle::after { left: 7px; top: 0; width: 1px; height: 16px; }

.page-contact .route-card[open] .route-card__toggle::after { transform: scaleY(0); }
.page-contact .route-card[open] .route-card__toggle::before { background: var(--accent, var(--aqua)); }

.page-contact .route-card__body {
  padding: 20px 24px 28px;
  border-top: 1px solid var(--pc-line);
}

.page-contact .route-card__body p {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .route-card__list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-contact .route-card__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--white);
}

.page-contact .route-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 7px;
  height: 1px;
  background: var(--accent, var(--aqua));
}

.page-contact .route-card .btn {
  font-size: 13px;
  padding: 9px 18px;
}

/* ---------- 合作流程 ---------- */

.page-contact .contact-flow {
  margin-top: clamp(64px, 9vw, 120px);
}

.page-contact .contact-flow__grid {
  display: grid;
  gap: clamp(30px, 5vw, 56px);
  align-items: start;
}

@media (min-width: 900px) {
  .page-contact .contact-flow__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }
}

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

.page-contact .step-list li {
  counter-increment: pcstep;
  position: relative;
  padding: 24px 0 24px 66px;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .step-list li::before {
  content: "0" counter(pcstep);
  position: absolute;
  left: 0;
  top: 24px;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--orange);
}

.page-contact .step-list h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--white);
}

.page-contact .step-list p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--mist);
}

.page-contact .contact-flow__media {
  margin: 0;
}

.page-contact .contact-flow__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--pc-line);
  filter: saturate(0.9) brightness(0.88);
}

@media (min-width: 900px) {
  .page-contact .contact-flow__media {
    position: sticky;
    top: calc(var(--bar-h) + 24px);
  }
}

/* ---------- 数据对接与信息更正 ---------- */

.page-contact .contact-correct {
  margin-top: clamp(64px, 9vw, 120px);
}

.page-contact .correct-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

@media (min-width: 820px) {
  .page-contact .correct-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }
}

.page-contact .correct-item {
  position: relative;
  padding: clamp(24px, 3vw, 36px) clamp(20px, 2.6vw, 32px);
  background: rgba(12, 23, 41, 0.7);
  border: 1px solid var(--pc-line);
  border-left: 3px solid var(--accent, var(--aqua));
}

.page-contact .correct-item__tag {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.22em;
  color: var(--accent, var(--aqua));
}

.page-contact .correct-item h3 {
  margin: 0 0 12px;
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 300;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-contact .correct-item > p {
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--mist);
}

.page-contact .correct-item__list {
  list-style: none;
  margin: 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--pc-line);
  display: grid;
  gap: 9px;
}

.page-contact .correct-item__list li {
  position: relative;
  padding-left: 18px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--white);
}

.page-contact .correct-item__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 7px;
  height: 1px;
  background: var(--accent, var(--aqua));
}

/* ---------- 联系方式 ---------- */

.page-contact .contact-channels {
  margin-top: clamp(64px, 9vw, 120px);
}

.page-contact .channel-list {
  border-top: 1px solid var(--pc-line);
}

.page-contact .channel {
  display: grid;
  gap: 6px;
  padding: clamp(20px, 3vw, 28px) 0;
  border-bottom: 1px solid var(--pc-line);
}

@media (min-width: 820px) {
  .page-contact .channel {
    grid-template-columns: 150px minmax(0, 1fr);
    column-gap: 34px;
    align-items: baseline;
  }

  .page-contact .channel__key { grid-column: 1; }
  .page-contact .channel__val { grid-column: 2; }
  .page-contact .channel__note { grid-column: 2; }
}

.page-contact .channel__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--mist);
}

.page-contact .channel__val {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.page-contact .channel__text {
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.4vw, 23px);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.4;
  color: var(--white);
  word-break: break-word;
}

.page-contact .copy-email {
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.12em;
  padding: 7px 14px;
  color: var(--aqua);
  background: rgba(43, 224, 200, 0.08);
  border: 1px solid rgba(43, 224, 200, 0.35);
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .copy-email:hover {
  background: rgba(43, 224, 200, 0.2);
  border-color: rgba(43, 224, 200, 0.7);
}

.page-contact .copy-email:focus-visible {
  outline: 2px solid var(--aqua);
  outline-offset: 2px;
}

.page-contact .channel__note {
  margin: 4px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 54ch;
}

.page-contact .contact-copy-hint {
  margin: 16px 0 0;
  min-height: 1.3em;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--lime);
}

/* ---------- 提交前提示 ---------- */

.page-contact .contact-prep {
  margin-top: clamp(64px, 9vw, 120px);
}

.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .prep-item {
  width: 100%;
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  text-align: left;
  padding: 18px 20px;
  background: rgba(16, 32, 58, 0.55);
  border: 1px solid var(--pc-line);
  color: var(--white);
  font-family: inherit;
  font-size: 14.5px;
  line-height: 1.78;
  cursor: pointer;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .prep-item:hover {
  background: rgba(28, 51, 80, 0.75);
  border-color: var(--board);
}

.page-contact .prep-item:focus-visible {
  outline: 2px solid var(--aqua);
  outline-offset: 2px;
}

.page-contact .prep-item__box {
  position: relative;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  border: 1px solid var(--mist);
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .prep-item__box::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 6px;
  width: 8px;
  height: 4px;
  border-left: 2px solid var(--pc-deep);
  border-bottom: 2px solid var(--pc-deep);
  transform: rotate(-45deg) scale(0);
  transition: transform 0.18s var(--ease);
}

.page-contact .prep-item[aria-pressed="true"] .prep-item__box {
  background: var(--lime);
  border-color: var(--lime);
}

.page-contact .prep-item[aria-pressed="true"] .prep-item__box::after {
  transform: rotate(-45deg) scale(1);
}

.page-contact .prep-item__text strong {
  display: block;
  margin-bottom: 3px;
  font-weight: 500;
  color: var(--white);
}

.page-contact .prep-item__text {
  color: var(--mist);
}

/* ---------- 动效 ---------- */

@keyframes pc-frame-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-hero__frame { animation: none; }
  .page-contact .route-card::before,
  .page-contact .route-card__toggle::before,
  .page-contact .route-card__toggle::after,
  .page-contact .prep-item__box,
  .page-contact .prep-item__box::after { transition: none; }
}
</｜｜DSML｜｜ parameter>
</｜｜DSML｜｜ invoke>
</｜｜DSML｜｜ calls>

.page-contact {
  --accent: transparent;
}