.page-contact {
  --coop-gap: clamp(56px, 8vw, 96px);
  --coop-card-r: var(--r-lg);
  background: var(--abyss);
  color: var(--ink);
  font-family: var(--font-head);
  padding-bottom: var(--coop-gap);
}

.page-contact .coop-crumbs {
  padding: 24px 0 8px;
}

/* ---------- 首屏 ---------- */
.page-contact .coop-hero {
  position: relative;
  margin-top: 12px;
  padding: clamp(30px, 5vw, 56px) clamp(22px, 4vw, 52px) clamp(34px, 5vw, 60px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background:
    radial-gradient(120% 150% at 8% -10%, rgba(23, 229, 200, 0.18), transparent 58%),
    radial-gradient(90% 120% at 100% 110%, rgba(255, 122, 47, 0.14), transparent 62%),
    linear-gradient(158deg, var(--grad-top), var(--grad-bottom));
}

.page-contact .coop-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(29, 65, 96, 0.35) 1px, transparent 1px),
    linear-gradient(90deg, rgba(29, 65, 96, 0.35) 1px, transparent 1px);
  background-size: 88px 88px;
  opacity: 0.5;
  pointer-events: none;
}

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

.page-contact .coop-hero__kicker {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-contact .coop-hero__title {
  margin: 0 0 18px;
  font-size: clamp(28px, 5vw, 46px);
  line-height: 1.22;
  letter-spacing: -0.02em;
  font-weight: 800;
  max-width: 18em;
}

.page-contact .coop-hero__lead {
  margin: 0;
  max-width: 44em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-contact .coop-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 20px;
  margin: 32px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--line);
}

.page-contact .coop-stat {
  min-width: 0;
}

.page-contact .coop-stat__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-contact .coop-stat__num {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.6vw, 34px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-contact .coop-stat__unit {
  margin-left: 4px;
  font-size: 14px;
  color: var(--ink-soft);
}

.page-contact .coop-hero__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

/* ---------- 通用章节标题 ---------- */
.page-contact .coop-section {
  padding-top: var(--coop-gap);
  scroll-margin-top: 96px;
}

.page-contact .coop-head {
  max-width: 46em;
  margin-bottom: clamp(26px, 4vw, 42px);
}

.page-contact .coop-head__index {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-contact .coop-head__title {
  margin: 0 0 14px;
  font-size: clamp(22px, 3.2vw, 32px);
  line-height: 1.3;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.page-contact .coop-head__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 四条合作路径 ---------- */
.page-contact .coop-paths {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-contact .coop-path {
  position: relative;
  padding: clamp(22px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--coop-card-r);
  background: var(--panel);
  box-shadow: var(--shadow-panel);
  transition: transform 240ms ease, border-color 240ms ease;
}

.page-contact .coop-path::after {
  content: "";
  position: absolute;
  left: clamp(22px, 3vw, 30px);
  top: 0;
  width: 56px;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: var(--cyan);
}

.page-contact .coop-path:nth-child(2)::after { background: var(--orange); }
.page-contact .coop-path:nth-child(3)::after { background: var(--gold); }
.page-contact .coop-path:nth-child(4)::after { background: var(--goal); }

.page-contact .coop-path:hover {
  border-color: rgba(23, 229, 200, 0.45);
}

.page-contact .coop-path__index {
  margin: 6px 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-contact .coop-path__title {
  margin: 0 0 16px;
  font-size: 20px;
  line-height: 1.4;
  letter-spacing: -0.01em;
  font-weight: 700;
}

.page-contact .coop-path__row {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-contact .coop-path__label {
  display: inline-block;
  min-width: 3.2em;
  margin-right: 8px;
  padding: 2px 8px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  vertical-align: 1px;
}

.page-contact .coop-more {
  margin-top: 16px;
  border-top: 1px dashed var(--line);
  padding-top: 14px;
}

.page-contact .coop-more__summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 4px;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  font-weight: 700;
  color: var(--cyan);
}

.page-contact .coop-more__summary::-webkit-details-marker {
  display: none;
}

.page-contact .coop-more__summary::before {
  content: "+";
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1;
}

.page-contact .coop-more[open] .coop-more__summary::before {
  content: "–";
}

.page-contact .coop-more__summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

.page-contact .coop-more__body {
  padding: 8px 2px 2px;
}

.page-contact .coop-more__body p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-contact .coop-more__body p:last-child {
  margin-bottom: 0;
}

/* ---------- 栏位与排期 ---------- */
.page-contact .coop-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-contact .coop-sub {
  margin: 0 0 18px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-contact .coop-slot-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--panel-2);
}

.page-contact .coop-slot {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}

.page-contact .coop-slot:last-child {
  border-bottom: 0;
}

.page-contact .coop-slot__name {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

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

.page-contact .coop-side {
  padding: clamp(22px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--panel);
}

.page-contact .coop-side__block {
  padding: 16px 0;
  border-bottom: 1px dashed var(--line);
}

.page-contact .coop-side__block:first-of-type {
  padding-top: 0;
}

.page-contact .coop-side__key {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-contact .coop-side__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-contact .coop-side__note {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .coop-inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(23, 229, 200, 0.45);
}

.page-contact .coop-inline-link:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 图片 ---------- */
.page-contact .coop-figure {
  margin: 0;
}

.page-contact .coop-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  object-fit: cover;
  background: var(--panel-2);
}

.page-contact .coop-figure figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .coop-figure--flow {
  margin-bottom: clamp(26px, 4vw, 40px);
}

/* ---------- 流程 ---------- */
.page-contact .coop-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .coop-step {
  position: relative;
  padding: 22px 20px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--panel-2);
}

.page-contact .coop-step__index {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .coop-step__title {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-contact .coop-step__text {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-contact .coop-step__meta {
  margin: 0;
}

/* ---------- 响应时段 ---------- */
.page-contact .coop-sla {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--panel);
  padding: clamp(20px, 3vw, 30px);
}

.page-contact .coop-sla__bar {
  display: grid;
  grid-template-columns: 9fr 9fr 6fr;
  gap: 4px;
  margin-bottom: 26px;
}

.page-contact .coop-sla__seg {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 6px 8px;
  border-radius: var(--pill);
  font-family: var(--font-mono);
  font-size: 11.5px;
  text-align: center;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.page-contact .coop-sla__seg--dim {
  background: rgba(29, 65, 96, 0.5);
  color: var(--muted);
}

.page-contact .coop-sla__seg--on {
  background: linear-gradient(120deg, rgba(23, 229, 200, 0.9), rgba(23, 229, 200, 0.62));
  color: #04231F;
  font-weight: 700;
  box-shadow: 0 14px 32px -22px rgba(23, 229, 200, 0.9);
}

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

.page-contact .coop-sla__fact-num {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-contact .coop-sla__fact-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 联络渠道 ---------- */
.page-contact .coop-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-contact .coop-contact__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-contact .coop-contact__card {
  padding: clamp(20px, 3vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--panel-2);
}

.page-contact .coop-contact__card--gold {
  border-color: rgba(243, 184, 70, 0.65);
  box-shadow: inset 0 0 0 1px rgba(243, 184, 70, 0.12), var(--shadow-float);
  background: linear-gradient(140deg, rgba(243, 184, 70, 0.1), transparent 55%), var(--panel);
}

.page-contact .coop-contact__key {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-contact .coop-contact__value {
  margin: 0 0 12px;
  font-size: clamp(20px, 3vw, 27px);
  line-height: 1.4;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
  word-break: break-word;
}

.page-contact .coop-contact__value--mail {
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.4vw, 22px);
  letter-spacing: 0;
}

.page-contact .coop-contact__value--addr {
  font-size: clamp(19px, 2.6vw, 25px);
  line-height: 1.5;
}

.page-contact .coop-contact__hint {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-contact .coop-contact__foot {
  margin: 4px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 延伸阅读 ---------- */
.page-contact .coop-next {
  padding-top: var(--coop-gap);
}

.page-contact .coop-next__title {
  margin: 0 0 22px;
  font-size: clamp(20px, 2.8vw, 26px);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.page-contact .coop-next__links {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-contact .coop-next__link {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  min-height: 44px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: var(--panel);
  color: var(--ink);
  text-decoration: none;
  transition: border-color 200ms ease, transform 200ms ease;
}

.page-contact .coop-next__link:hover,
.page-contact .coop-next__link:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-2px);
  outline: none;
}

.page-contact .coop-next__link-index {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  padding-top: 3px;
}

.page-contact .coop-next__link-text {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-contact .coop-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

  .page-contact .coop-contact__foot {
    grid-column: 1 / -1;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-contact .coop-paths {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px 32px;
  }

  .page-contact .coop-path:nth-child(even) {
    margin-top: 44px;
  }

  .page-contact .coop-grid {
    grid-template-columns: 7fr 5fr;
    gap: 32px;
    align-items: start;
  }

  .page-contact .coop-side {
    position: sticky;
    top: 92px;
  }

  .page-contact .coop-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
  }

  .page-contact .coop-step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 34px;
    right: -22px;
    width: 22px;
    height: 1px;
    background: var(--line);
  }

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

  .page-contact .coop-next__link {
    align-items: center;
    border-radius: var(--r-md);
  }
}

@media (min-width: 1040px) {
  .page-contact .coop-contact {
    grid-template-columns: 5fr 7fr;
    gap: 34px;
    align-items: start;
  }

  .page-contact .coop-contact__list {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .coop-path,
  .page-contact .coop-next__link {
    transition: none;
  }
}