.page-contact {
  --co-gap: 24px;
  --co-accent-line: rgba(0, 229, 208, 0.38);
  display: block;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word;
}

.page-contact img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-contact .media__frame img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 首屏 ---------- */

.page-contact .co-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 24px 0 40px;
  border-bottom: 1px solid var(--grid);
  background: var(--bg);
}

.page-contact .co-hero::before {
  content: "";
  position: absolute;
  z-index: 0;
  top: -34%;
  right: -14%;
  width: 70%;
  height: 176%;
  background: linear-gradient(158deg, rgba(0, 229, 208, 0.17), rgba(124, 243, 230, 0.05) 46%, rgba(0, 229, 208, 0) 74%);
  clip-path: polygon(34% 0%, 100% 0%, 100% 100%, 0% 68%);
  pointer-events: none;
}

.page-contact .co-hero::after {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(23, 34, 47, 0.9) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(23, 34, 47, 0.9) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), rgba(0, 0, 0, 0) 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), rgba(0, 0, 0, 0) 88%);
  pointer-events: none;
}

.page-contact .co-hero .wrap {
  position: relative;
  z-index: 1;
}

.page-contact .co-hero .breadcrumb {
  margin-bottom: 24px;
}

.page-contact .co-hero__title {
  margin: 14px 0 0;
  font-size: clamp(34px, 7.4vw, 82px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-contact .co-hero__lead {
  max-width: 60ch;
  margin: 20px 0 0;
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.75;
}

.page-contact .co-hero__facts {
  display: flex;
  flex-wrap: wrap;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--grid);
  background: rgba(14, 22, 34, 0.72);
}

.page-contact .co-hero__facts li {
  flex: 1 1 170px;
  min-width: 0;
  padding: 14px 18px;
  border-left: 1px solid var(--grid);
}

.page-contact .co-hero__facts li:first-child {
  border-left: 0;
}

.page-contact .co-hero__k {
  display: block;
  color: var(--text-2);
  font-size: 12px;
  letter-spacing: 0.16em;
}

.page-contact .co-hero__v {
  display: block;
  margin-top: 7px;
  font-family: var(--mono);
  font-size: 16px;
  font-weight: 600;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

/* ---------- 章节骨架 ---------- */

.page-contact .section {
  padding: 52px 0;
  border-bottom: 1px solid var(--grid);
}

.page-contact .section:last-of-type {
  border-bottom: 0;
}

.page-contact .section__head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: 30px;
}

.page-contact .section__index {
  font-family: var(--mono);
  font-size: clamp(34px, 8vw, 60px);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--index);
  font-variant-numeric: tabular-nums;
}

.page-contact .section__title {
  margin: 0;
  font-size: clamp(24px, 4.4vw, 38px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-contact .section__desc {
  margin: 0;
  max-width: 64ch;
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- 01 可以一起做什么 ---------- */

.page-contact .co-split {
  display: grid;
  gap: var(--co-gap);
}

.page-contact .co-tracks {
  display: block;
}

.page-contact .co-track {
  position: relative;
  z-index: 0;
  border: 1px solid var(--grid);
  margin-top: -1px;
  background: var(--panel);
  transition: background var(--fast) var(--snap), border-color var(--fast) var(--snap);
}

.page-contact .co-track:first-child {
  margin-top: 0;
}

.page-contact .co-track:hover,
.page-contact .co-track:focus-within,
.page-contact .co-track[open] {
  z-index: 1;
  background: #111c28;
  border-color: var(--co-accent-line);
}

.page-contact .co-track__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 18px 16px;
  cursor: pointer;
  list-style: none;
  -webkit-tap-highlight-color: transparent;
}

.page-contact .co-track__head::-webkit-details-marker {
  display: none;
}

.page-contact .co-track__head::marker {
  content: "";
}

.page-contact .co-track__idx {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.page-contact .co-track__name {
  min-width: 0;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--text);
}

.page-contact .co-track__mark {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
}

.page-contact .co-track__mark::before,
.page-contact .co-track__mark::after {
  content: "";
  position: absolute;
  background: var(--accent);
  transition: transform var(--fast) var(--snap);
}

.page-contact .co-track__mark::before {
  top: 6px;
  left: 0;
  width: 14px;
  height: 2px;
}

.page-contact .co-track__mark::after {
  top: 0;
  left: 6px;
  width: 2px;
  height: 14px;
}

.page-contact .co-track[open] .co-track__mark::after {
  transform: scaleY(0);
}

.page-contact .co-track__body {
  margin: 0 16px;
  padding: 14px 0 20px;
  border-top: 1px solid var(--grid);
}

.page-contact .co-track__body p {
  margin: 0;
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.75;
}

.page-contact .co-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .co-tags li {
  padding: 4px 9px;
  border: 1px solid var(--grid);
  color: var(--text-2);
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
}

.page-contact .co-map {
  margin: 0;
  border: 1px solid var(--grid);
  background: var(--panel);
}

.page-contact .co-map .media__frame {
  border-bottom: 1px solid var(--grid);
  background: #0a121c;
}

.page-contact .co-map .media__caption {
  padding: 12px 16px;
  color: var(--text-2);
  font-size: 12px;
  letter-spacing: 0.1em;
}

/* ---------- 02 合作流程与对接方式 ---------- */

.page-contact .co-flow__grid {
  display: grid;
  gap: var(--co-gap);
}

.page-contact .co-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .co-step {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--grid);
}

.page-contact .co-step:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .co-step__n {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--text-2);
  opacity: 0.75;
  font-variant-numeric: tabular-nums;
  transition: color var(--fast) var(--snap), opacity var(--fast) var(--snap);
}

.page-contact .co-step:hover .co-step__n {
  color: var(--accent);
  opacity: 1;
}

.page-contact .co-step__body {
  min-width: 0;
}

.page-contact .co-step__title {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--text);
}

.page-contact .co-step__time {
  padding: 2px 7px;
  border: 1px solid var(--co-accent-line);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.page-contact .co-step__desc {
  margin: 0;
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.75;
}

.page-contact .co-contact {
  padding: 22px 20px 24px;
  border: 1px solid var(--grid);
  border-left: 3px solid var(--accent);
  background: linear-gradient(180deg, rgba(0, 229, 208, 0.08), var(--panel) 46%);
}

.page-contact .co-contact__title {
  margin: 10px 0 18px;
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-contact .co-contact__list {
  margin: 0;
}

.page-contact .co-field {
  padding: 14px 0;
  border-top: 1px solid var(--grid);
}

.page-contact .co-field:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .co-field__k {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--text-2);
}

.page-contact .co-field__v {
  margin: 7px 0 0;
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--accent-soft);
  word-break: break-all;
  font-variant-numeric: tabular-nums;
}

.page-contact .co-field__v--text {
  font-family: var(--sans);
  font-weight: 600;
  color: var(--text);
  word-break: normal;
}

.page-contact .co-field__note {
  display: block;
  margin-top: 6px;
  font-family: var(--sans);
  font-size: 12.5px;
  font-weight: 400;
  line-height: 1.65;
  color: var(--text-2);
  word-break: normal;
}

/* ---------- 03 快速通道 ---------- */

.page-contact .co-fast__body {
  display: grid;
  gap: var(--co-gap);
}

.page-contact .co-fast__text {
  min-width: 0;
}

.page-contact .co-fast__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .co-fast__list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding: 15px 0;
  border-top: 1px solid var(--grid);
}

.page-contact .co-fast__list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .co-fast__n {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--accent);
  padding-top: 4px;
  font-variant-numeric: tabular-nums;
}

.page-contact .co-fast__list p {
  margin: 0;
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.75;
}

.page-contact .co-shot {
  margin: 0;
  border: 1px solid var(--grid);
  background: var(--panel);
}

.page-contact .co-shot .media__frame {
  border-bottom: 1px solid var(--grid);
  background: #0a121c;
}

.page-contact .co-shot .media__caption {
  padding: 12px 16px;
  color: var(--text-2);
  font-size: 12px;
  letter-spacing: 0.1em;
}

/* ---------- 04 服务时间 ---------- */

.page-contact .co-hours__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--grid);
  background: var(--panel);
}

.page-contact .co-hours__list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 5px 24px;
  padding: 16px 18px;
  border-top: 1px solid var(--grid);
}

.page-contact .co-hours__list li:first-child {
  border-top: 0;
}

.page-contact .co-hours__k {
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--text-2);
}

.page-contact .co-hours__v {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.page-contact .co-hours__note {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-2);
}

/* ---------- 05 准备材料 ---------- */

.page-contact .co-prep__grid {
  display: grid;
  gap: 1px;
  border: 1px solid var(--grid);
  background: var(--grid);
}

.page-contact .co-prep__item {
  padding: 18px 16px;
  background: var(--bg);
  transition: background var(--fast) var(--snap);
}

.page-contact .co-prep__item:hover {
  background: var(--panel);
}

.page-contact .co-prep__item h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--text);
}

.page-contact .co-prep__item h3::before {
  content: "";
  flex: none;
  width: 7px;
  height: 7px;
  background: var(--accent);
}

.page-contact .co-prep__item p {
  margin: 0;
  color: var(--text-2);
  font-size: 14px;
  line-height: 1.72;
}

/* ---------- 延伸入口 ---------- */

.page-contact .co-next {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.page-contact .co-next a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid var(--grid);
  color: var(--text);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  transition: border-color var(--fast) var(--snap), color var(--fast) var(--snap), background var(--fast) var(--snap);
}

.page-contact .co-next a::after {
  content: "→";
  font-family: var(--mono);
  color: var(--accent);
}

.page-contact .co-next a:hover,
.page-contact .co-next a:focus-visible {
  border-color: var(--accent);
  background: rgba(0, 229, 208, 0.07);
  color: var(--accent);
}

/* ---------- 响应式 ---------- */

@media (max-width: 640px) {
  .page-contact .co-hero__facts li {
    flex-basis: 100%;
    border-left: 0;
    border-top: 1px solid var(--grid);
  }

  .page-contact .co-hero__facts li:first-child {
    border-top: 0;
  }

  .page-contact .section {
    padding: 40px 0;
  }
}

@media (min-width: 700px) {
  .page-contact .co-track__name {
    font-size: 20px;
  }

  .page-contact .co-prep__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-contact .co-hours__list li {
    grid-template-columns: 130px 170px minmax(0, 1fr);
    align-items: baseline;
  }

  .page-contact .section__head {
    grid-template-columns: 108px minmax(0, 1fr);
    grid-template-areas:
      "idx title"
      "idx desc";
    column-gap: 24px;
    row-gap: 12px;
    align-items: start;
  }

  .page-contact .section__index {
    grid-area: idx;
  }

  .page-contact .section__title {
    grid-area: title;
  }

  .page-contact .section__desc {
    grid-area: desc;
  }
}

@media (min-width: 980px) {
  .page-contact .co-split {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
  }

  .page-contact .co-split__side {
    position: sticky;
    top: calc(var(--band-h) + 20px);
  }

  .page-contact .co-flow__grid {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.8fr);
    align-items: start;
  }

  .page-contact .co-fast__body {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
    align-items: center;
  }

  .page-contact .section {
    padding: 64px 0;
  }
}

@media (min-width: 1140px) {
  .page-contact .co-prep__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
</PAGE_CSS>>>