.page-contact {
  --pc-rail-top: 128px;
  --pc-border: 2px solid var(--line);
  background: var(--ink-900);
  color: var(--text);
  padding-bottom: clamp(36px, 6vw, 72px);
  overflow-x: clip;
}

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

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumbs {
  padding-top: clamp(10px, 2vw, 18px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-top: clamp(24px, 5vw, 54px);
  padding-bottom: clamp(24px, 4vw, 42px);
  border-bottom: var(--pc-border);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(
    90deg,
    var(--cyan) 0 34%,
    var(--orange) 34% 56%,
    var(--turf) 56% 100%
  );
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: -90px;
  top: 8px;
  width: 300px;
  height: 300px;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 30px 30px;
  opacity: 0.3;
  transform: rotate(14deg);
  pointer-events: none;
}

.page-contact .contact-hero > * {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero .eyebrow {
  margin: 0 0 10px;
}

.page-contact .contact-hero h1 {
  margin: 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 6.4vw, 3.8rem);
  line-height: 1.04;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.page-contact .contact-hero .lead {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-contact .contact-hero__facts {
  list-style: none;
  margin: 26px 0 0;
  padding: 14px 0 0;
  border-top: 1px dashed var(--line);
  display: grid;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-contact .contact-hero__facts .num {
  display: inline-block;
  margin-right: 6px;
  font-family: var(--font-num);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--cyan);
}

/* ---------- 主分栏 ---------- */
.page-contact .contact-layout {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  padding-block: clamp(28px, 5vw, 56px);
  align-items: start;
}

.page-contact .contact-main {
  display: grid;
  gap: clamp(30px, 5vw, 56px);
  min-width: 0;
}

.page-contact .contact-main .section-head {
  margin-bottom: 18px;
}

.page-contact .contact-main .section-head h2 {
  margin: 6px 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 3.4vw, 2rem);
  line-height: 1.16;
}

.page-contact .contact-main .section-head p {
  margin: 0;
  max-width: 58ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 合作类型切换 ---------- */
.page-contact .coop__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .coop__tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}

.page-contact .coop__tab {
  flex: 0 0 auto;
  scroll-snap-align: start;
  padding: 10px 16px;
  border: var(--pc-border);
  background: var(--ink-800);
  color: var(--muted);
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  transition: color 0.16s ease, background-color 0.16s ease, transform 0.16s ease;
}

.page-contact .coop__tab:hover {
  color: var(--mint);
  transform: translateY(-2px);
}

.page-contact #coop-content:checked ~ .coop__tabs .coop__tab[for="coop-content"],
.page-contact #coop-data:checked ~ .coop__tabs .coop__tab[for="coop-data"],
.page-contact #coop-plugin:checked ~ .coop__tabs .coop__tab[for="coop-plugin"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-900);
  box-shadow: var(--shadow-hard);
}

.page-contact #coop-content:focus-visible ~ .coop__tabs .coop__tab[for="coop-content"],
.page-contact #coop-data:focus-visible ~ .coop__tabs .coop__tab[for="coop-data"],
.page-contact #coop-plugin:focus-visible ~ .coop__tabs .coop__tab[for="coop-plugin"] {
  outline: 3px solid var(--mint);
  outline-offset: 2px;
}

.page-contact .coop__panels {
  margin-top: 10px;
}

.page-contact .coop__panels > .coop-panel {
  display: none;
}

.page-contact #coop-content:checked ~ .coop__panels .coop-panel--content,
.page-contact #coop-data:checked ~ .coop__panels .coop-panel--data,
.page-contact #coop-plugin:checked ~ .coop__panels .coop-panel--plugin {
  display: block;
}

.page-contact .coop-panel {
  border: var(--pc-border);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
  padding: clamp(18px, 3.4vw, 28px);
}

.page-contact .coop-panel h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.15rem, 2.6vw, 1.45rem);
  line-height: 1.25;
  color: var(--mint);
}

.page-contact .coop-panel > p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .coop-panel__meta {
  margin: 18px 0 0;
  display: grid;
  gap: 12px;
}

.page-contact .coop-panel__meta dt {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--amber);
  margin-bottom: 3px;
}

.page-contact .coop-panel__meta dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text);
}

/* ---------- 四步流程 ---------- */
.page-contact .coop-flow__figure {
  margin: 0 0 20px;
}

.page-contact .flow-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: flowstep;
  display: grid;
  gap: 12px;
}

.page-contact .flow-step {
  counter-increment: flowstep;
  position: relative;
  border: var(--pc-border);
  border-left: 6px solid var(--turf);
  background: var(--ink-800);
  padding: 16px 18px 18px;
  transition: border-left-color 0.18s ease, transform 0.18s ease;
}

.page-contact .flow-step:hover {
  border-left-color: var(--cyan);
  transform: translateX(3px);
}

.page-contact .flow-step::before {
  content: counter(flowstep, decimal-leading-zero);
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-num);
  font-size: 1.5rem;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--orange);
}

.page-contact .flow-step h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.page-contact .flow-step p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 合作生态 ---------- */
.page-contact .ecosystem__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .ecosystem__item {
  border: var(--pc-border);
  border-left: 5px solid var(--cyan);
  background: var(--graphite);
  padding: 16px 18px;
}

.page-contact .ecosystem__item h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: var(--text);
}

.page-contact .ecosystem__item p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .ecosystem__note {
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--amber);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 右侧信息栏 ---------- */
.page-contact .contact-rail {
  display: grid;
  gap: 18px;
  align-content: start;
  min-width: 0;
}

.page-contact .contact-card,
.page-contact .feedback-card {
  border: var(--pc-border);
  background: var(--graphite);
  box-shadow: var(--shadow-lift);
  padding: clamp(18px, 3.4vw, 26px);
}

.page-contact .contact-card h2,
.page-contact .feedback-card h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.2rem;
  letter-spacing: 0.05em;
  color: var(--cyan);
}

.page-contact .contact-card__list {
  margin: 0;
  display: grid;
  gap: 14px;
}

.page-contact .contact-card__row {
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line);
}

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

.page-contact .contact-card__row dt {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin-bottom: 5px;
}

.page-contact .contact-card__row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
  word-break: break-word;
}

.page-contact .contact-card__value {
  display: block;
  font-weight: 700;
}

.page-contact .contact-card__value--num {
  font-family: var(--font-num);
  font-size: 1.28rem;
  letter-spacing: 0.04em;
  color: var(--mint);
}

.page-contact .contact-card__row .copy-btn {
  margin-top: 8px;
}

.page-contact .contact-card__note {
  margin: 16px 0 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .contact-card__icp {
  margin: 14px 0 0;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-contact .contact-card__figure {
  margin: 16px 0 0;
  border: 1px solid var(--line);
}

.page-contact .feedback-card {
  border-color: var(--orange);
}

.page-contact .feedback-card h2 {
  color: var(--orange);
}

.page-contact .feedback-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .feedback-card__list {
  list-style: none;
  margin: 14px 0 16px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .feedback-card__list li {
  position: relative;
  padding-left: 18px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text);
}

.page-contact .feedback-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  background: var(--orange);
}

.page-contact .feedback-card .btn {
  margin-top: 2px;
}

.page-contact .feedback-card__hint {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 12px;
  line-height: 1.75;
}

/* ---------- 客服时段 ---------- */
.page-contact .service-hours {
  border-top: var(--pc-border);
  border-bottom: var(--pc-border);
  background:
    linear-gradient(135deg, var(--turf) 0%, var(--ink-800) 62%, var(--graphite) 100%);
}

.page-contact .service-hours__inner {
  display: grid;
  gap: 24px;
  padding-block: clamp(30px, 5vw, 54px);
}

.page-contact .service-hours__copy .eyebrow {
  margin: 0 0 8px;
}

.page-contact .service-hours__copy h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  line-height: 1.14;
  letter-spacing: -0.01em;
}

.page-contact .service-hours__copy p {
  margin: 0;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .service-hours__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .service-hours__stats li {
  border: var(--pc-border);
  background: rgba(7, 28, 23, 0.72);
  padding: 14px 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 8px;
}

.page-contact .service-hours__stats .num {
  font-family: var(--font-num);
  font-size: clamp(1.6rem, 4.4vw, 2.2rem);
  line-height: 1;
  color: var(--cyan);
}

.page-contact .service-hours__unit {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mint);
}

.page-contact .service-hours__stats em {
  flex: 1 0 100%;
  font-style: normal;
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.03em;
  color: var(--muted);
}

/* ---------- 收尾 ---------- */
.page-contact .contact-closing {
  display: grid;
  gap: 14px;
  padding-top: clamp(26px, 4vw, 42px);
}

.page-contact .contact-closing p {
  margin: 0;
  max-width: 70ch;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--muted);
}

.page-contact .contact-closing a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-closing__top {
  justify-self: start;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none !important;
  border: 1px solid var(--line);
  padding: 8px 14px;
  color: var(--mint) !important;
}

.page-contact .contact-closing__top:hover {
  border-color: var(--cyan);
}

/* ---------- 固定反馈入口 ---------- */
.page-contact .feedback-pill {
  position: fixed;
  right: 14px;
  bottom: 14px;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  max-width: max-content;
  padding: 10px 16px;
  border: 2px solid var(--ink-900);
  background: var(--orange);
  color: var(--ink-900);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.92rem;
  letter-spacing: 0.08em;
  text-decoration: none;
  box-shadow: var(--shadow-hard);
  transition: transform 0.16s ease;
}

.page-contact .feedback-pill::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--ink-900);
}

.page-contact .feedback-pill:hover {
  transform: translate(-2px, -2px);
}

/* ---------- 断点 ---------- */
@media (min-width: 560px) {
  .page-contact .contact-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

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

  .page-contact .flow-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-contact .service-hours__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 980px) {
  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 1fr) 348px;
    gap: clamp(28px, 3.6vw, 52px);
  }

  .page-contact .contact-rail {
    position: sticky;
    top: var(--pc-rail-top);
  }

  .page-contact .service-hours__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: center;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-contact .coop-panel__meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .feedback-pill {
    right: 24px;
    bottom: 24px;
  }
}

@media (min-width: 1200px) {
  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 1fr) 372px;
  }
}
<<<PAGE_CSS_END>>>