.page-contact {
  --coop-edge: clamp(1rem, 4vw, 2.5rem);
  --coop-gap: clamp(0.9rem, 2.2vw, 1.4rem);
  --coop-pad: clamp(1.1rem, 2.6vw, 1.7rem);
  display: block;
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding: clamp(1rem, 3vw, 1.75rem) var(--coop-edge) clamp(3rem, 8vw, 6rem);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
}

.page-contact .section {
  margin-block-end: clamp(3rem, 7vw, 5.5rem);
}

.page-contact .section-head {
  margin-block-end: clamp(1.25rem, 3vw, 2rem);
}

.page-contact .h-section {
  font-family: var(--font-display);
  letter-spacing: -0.01em;
  line-height: 1.16;
  margin-block: 0.35rem 0.6rem;
}

/* ============ 面包屑 ============ */
.page-contact .coop-crumb {
  margin-block-end: clamp(1.25rem, 3vw, 2rem);
}

.page-contact .coop-crumb .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--paper-50);
  font-family: var(--font-mono);
}

.page-contact .coop-crumb .breadcrumb a {
  color: var(--lime);
  text-decoration: none;
}

.page-contact .coop-crumb .breadcrumb a:hover,
.page-contact .coop-crumb .breadcrumb a:focus-visible {
  text-decoration: underline;
}

.page-contact .coop-crumb .breadcrumb li + li::before {
  content: "/";
  margin-inline-end: 0.45rem;
  color: var(--stone);
}

/* ============ 首屏 ============ */
.page-contact .coop-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  padding-block-end: clamp(2rem, 5vw, 3.25rem);
  border-bottom: 1px solid var(--paper-14);
  margin-block-end: clamp(2.5rem, 6vw, 4.5rem);
}

.page-contact .coop-hero__text .h-display {
  font-family: var(--font-display);
  font-size: clamp(2rem, 7vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-block: 0.5rem 0.9rem;
  color: var(--paper);
}

.page-contact .coop-hero__text .lede {
  max-width: 46ch;
  color: var(--paper-70);
  margin-block: 0 1.25rem;
}

.page-contact .coop-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-block-end: 1.4rem;
}

.page-contact .coop-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.page-contact .coop-hero__visual {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-l);
  border: 1px solid var(--paper-14);
  padding: clamp(0.6rem, 2vw, 1.1rem);
  background:
    radial-gradient(120% 110% at 18% 0%, rgba(79, 209, 197, 0.18), transparent 58%),
    linear-gradient(160deg, #123A2E 0%, var(--ink-deep) 78%);
}

.page-contact .coop-hero__visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(138, 147, 140, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(138, 147, 140, 0.08) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}

.page-contact .coop-hero__visual svg {
  position: relative;
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .coop-hero__caption {
  position: relative;
  margin: 0.4rem 0 0;
  padding-inline-start: 0.2rem;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  font-family: var(--font-mono);
  color: var(--paper-50);
}

/* ============ 筛选条 ============ */
.page-contact .coop-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem 1.25rem;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--paper-14);
  border-radius: var(--r-pill);
  background: var(--paper-08);
  margin-block-end: clamp(1.25rem, 3vw, 1.75rem);
}

.page-contact .coop-filter .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.page-contact .coop-filter .chip {
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.84rem;
  line-height: 1.4;
  padding: 0.34rem 0.9rem;
  background: transparent;
  border: 1px solid var(--paper-14);
  color: var(--paper-70);
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .coop-filter .chip:hover,
.page-contact .coop-filter .chip:focus-visible {
  border-color: var(--lime-40);
  color: var(--paper);
}

.page-contact .coop-filter .chip[aria-pressed="true"] {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink-deep);
  font-weight: 600;
}

.page-contact .coop-filter__count {
  margin: 0;
  font-size: 0.82rem;
  font-family: var(--font-mono);
  color: var(--paper-50);
  letter-spacing: 0.03em;
}

.page-contact .coop-filter__count .num {
  color: var(--lime);
  font-size: 1rem;
}

/* ============ 合作方向卡 ============ */
.page-contact .coop-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--coop-gap);
}

.page-contact .coop-dir {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: var(--coop-pad);
  border: 1px solid var(--paper-14);
  border-left-width: 3px;
  border-radius: var(--r-l);
  background: linear-gradient(165deg, rgba(63, 107, 82, 0.34) 0%, rgba(11, 42, 34, 0.72) 100%);
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.page-contact .coop-dir--lime { border-left-color: var(--lime); }
.page-contact .coop-dir--amber { border-left-color: var(--amber); }
.page-contact .coop-dir--clay { border-left-color: var(--clay); }
.page-contact .coop-dir--pulse { border-left-color: var(--pulse); }

.page-contact .coop-dir:hover,
.page-contact .coop-dir:focus,
.page-contact .coop-dir:focus-within {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
  border-color: var(--lime-40);
  outline: none;
}

.page-contact .coop-dir__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--stone);
}

.page-contact .coop-dir__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.4vw, 1.35rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .coop-dir__desc {
  margin: 0;
  font-size: 0.92rem;
  color: var(--paper-70);
}

.page-contact .coop-dir__more {
  overflow: hidden;
  max-height: none;
  opacity: 1;
  margin-block-start: 0.55rem;
  padding-block-start: 0.6rem;
  border-top: 1px dashed var(--paper-14);
}

.page-contact .coop-dir__facts {
  margin: 0;
  display: grid;
  gap: 0.5rem;
  font-size: 0.82rem;
}

.page-contact .coop-dir__facts dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--lime);
  margin-block-end: 0.12rem;
}

.page-contact .coop-dir__facts dd {
  margin: 0;
  color: var(--paper-70);
  line-height: 1.7;
}

/* ============ 合作价值 ============ */
.page-contact .coop-value__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--coop-gap);
}

.page-contact .coop-value__item {
  padding: var(--coop-pad);
  border-radius: var(--r-m);
  background: var(--paper-08);
  border: 1px solid var(--paper-14);
  border-top-width: 2px;
}

.page-contact .coop-value__item--a { border-top-color: var(--lime); }
.page-contact .coop-value__item--b { border-top-color: var(--amber); }
.page-contact .coop-value__item--c { border-top-color: var(--clay); }
.page-contact .coop-value__item--d { border-top-color: var(--pulse); }

.page-contact .coop-value__mark {
  margin: 0 0 0.4rem;
  font-family: var(--font-mono);
  font-size: 1.4rem;
  letter-spacing: 0.06em;
  color: var(--paper-14);
  -webkit-text-stroke: 1px var(--stone);
}

.page-contact .coop-value__title {
  margin: 0 0 0.5rem;
  font-family: var(--font-serif);
  font-size: clamp(1.02rem, 2.2vw, 1.18rem);
  line-height: 1.45;
  color: var(--paper);
}

.page-contact .coop-value__item p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--paper-70);
}

/* ============ 流程 ============ */
.page-contact .coop-flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  margin-block-end: clamp(1.5rem, 4vw, 2.5rem);
}

.page-contact .coop-route {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.4rem;
}

.page-contact .coop-route li {
  position: relative;
  z-index: 1;
}

.page-contact .coop-route a {
  display: grid;
  justify-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.25rem;
  border-radius: var(--r-m);
  text-decoration: none;
  color: var(--paper-70);
  text-align: center;
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-contact .coop-route a:hover,
.page-contact .coop-route a:focus-visible {
  color: var(--lime);
  background: var(--lime-16);
  outline: none;
}

.page-contact .coop-route__no {
  display: grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  background: var(--ink-deep);
  border: 1px solid var(--lime-40);
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.page-contact .coop-route__label {
  font-size: 0.82rem;
  line-height: 1.4;
}

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

.page-contact .coop-flow__figure .figure__img {
  overflow: hidden;
  border-radius: var(--r-l);
  aspect-ratio: 16 / 7;
  background: var(--ink-deep);
}

.page-contact .coop-flow__figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .coop-flow__figure .figure__cap {
  margin-block-start: 0.6rem;
  font-size: 0.78rem;
  color: var(--paper-50);
}

.page-contact .coop-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--coop-gap);
}

.page-contact .coop-step {
  padding: var(--coop-pad);
  border-radius: var(--r-m);
  border: 1px solid var(--paper-08);
  background: rgba(7, 26, 21, 0.55);
  scroll-margin-top: 6rem;
  transition: border-color 0.28s var(--ease), background 0.28s var(--ease);
}

.page-contact .coop-step:target {
  border-color: var(--lime-40);
  background: var(--lime-16);
}

.page-contact .coop-step__no {
  margin: 0 0 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-contact .coop-step h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.12rem;
  line-height: 1.32;
  letter-spacing: -0.005em;
  color: var(--paper);
}

.page-contact .coop-step > p {
  margin: 0 0 0.75rem;
  font-size: 0.9rem;
  color: var(--paper-70);
}

.page-contact .coop-step__split {
  margin: 0;
  display: grid;
  gap: 0.55rem;
  font-size: 0.84rem;
}

.page-contact .coop-step__split dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--pulse);
  margin-block-end: 0.12rem;
}

.page-contact .coop-step__split dd {
  margin: 0;
  color: var(--paper-70);
  padding-inline-start: 0.7rem;
  border-left: 2px solid var(--paper-14);
  line-height: 1.7;
}

/* ============ 服务区域 ============ */
.page-contact .coop-region__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.25rem, 3vw, 2rem);
  margin-block-end: clamp(1.25rem, 3vw, 2rem);
}

.page-contact .coop-region__cities {
  display: grid;
  align-content: start;
}

.page-contact .coop-city {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.2rem 1rem;
  align-items: baseline;
  padding-block: 0.95rem;
  border-bottom: 1px solid var(--paper-14);
}

.page-contact .coop-city:first-child {
  border-top: 1px solid var(--paper-14);
}

.page-contact .coop-city__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 0.02em;
  color: var(--paper);
  position: relative;
  padding-inline-start: 0.95rem;
}

.page-contact .coop-city__name::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--lime);
}

.page-contact .coop-city--cd .coop-city__name::before { background: var(--amber); }
.page-contact .coop-city--gz .coop-city__name::before { background: var(--clay); }

.page-contact .coop-city__scope {
  margin: 0;
  font-size: 0.88rem;
  color: var(--paper-70);
}

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

.page-contact .coop-region__figure .figure__img {
  overflow: hidden;
  border-radius: var(--r-l);
  aspect-ratio: 4 / 3;
  background: var(--ink-deep);
}

.page-contact .coop-region__figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .coop-region__figure .figure__cap {
  margin-block-start: 0.6rem;
  font-size: 0.78rem;
  color: var(--paper-50);
}

.page-contact .coop-sla {
  padding: var(--coop-pad);
  border-radius: var(--r-l);
  border: 1px solid var(--lime-40);
  background: linear-gradient(120deg, rgba(198, 242, 78, 0.1) 0%, rgba(79, 209, 197, 0.08) 100%);
}

.page-contact .coop-sla__title {
  margin: 0 0 1rem;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--paper);
}

.page-contact .coop-sla__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: clamp(0.9rem, 2vw, 1.4rem);
}

.page-contact .coop-sla__item {
  padding-inline-start: 0.85rem;
  border-left: 2px solid var(--lime-40);
}

.page-contact .coop-sla__num {
  margin: 0 0 0.25rem;
  font-family: var(--font-mono);
  font-size: clamp(1.15rem, 3vw, 1.5rem);
  color: var(--lime);
  letter-spacing: -0.01em;
}

.page-contact .coop-sla__text {
  margin: 0;
  font-size: 0.84rem;
  color: var(--paper-70);
}

/* ============ 联系渠道 ============ */
.page-contact .coop-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--coop-gap);
}

.page-contact .coop-channel {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: var(--coop-pad);
  border-radius: var(--r-l);
  border: 1px solid var(--paper-14);
  background: rgba(7, 26, 21, 0.55);
}

.page-contact .coop-channel--mail {
  border-color: var(--lime-40);
  background: linear-gradient(150deg, rgba(198, 242, 78, 0.14) 0%, rgba(7, 26, 21, 0.6) 62%);
}

.page-contact .coop-channel__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--paper-50);
}

.page-contact .coop-channel__val {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 2.4vw, 1.12rem);
  line-height: 1.5;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .coop-channel--mail .coop-channel__val {
  color: var(--lime);
}

.page-contact .coop-channel__note {
  margin: 0;
  font-size: 0.85rem;
  color: var(--paper-70);
  flex: 1 1 auto;
}

.page-contact .coop-channel__tag {
  align-self: flex-start;
  font-size: 0.72rem;
}

.page-contact .coop-channels__foot {
  margin: clamp(1.1rem, 3vw, 1.6rem) 0 0;
  font-size: 0.86rem;
  color: var(--paper-70);
}

.page-contact .coop-channels__foot a {
  color: var(--lime);
  text-underline-offset: 0.25em;
}

/* ============ 延伸阅读 ============ */
.page-contact .coop-next__box {
  padding: clamp(1.3rem, 3.4vw, 2.2rem);
  border-radius: var(--r-l);
  border: 1px solid var(--paper-14);
  background: linear-gradient(150deg, rgba(63, 107, 82, 0.3) 0%, rgba(7, 26, 21, 0.7) 100%);
}

.page-contact .coop-next__lede {
  margin: 0 0 1.25rem;
  font-size: 0.92rem;
  color: var(--paper-70);
  max-width: 58ch;
}

.page-contact .coop-next__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.4rem;
}

.page-contact .coop-next__links a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.85rem;
  padding: 0.7rem 0.95rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--paper-14);
  text-decoration: none;
  color: var(--paper);
  font-size: 0.92rem;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-contact .coop-next__links a:hover,
.page-contact .coop-next__links a:focus-visible {
  border-color: var(--lime-40);
  background: var(--lime-16);
  transform: translateY(-2px);
  outline: none;
}

.page-contact .coop-next__links a span {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  color: var(--paper-50);
}

/* ============ 响应式 ============ */
@media (min-width: 700px) {
  .page-contact .coop-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

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

@media (min-width: 900px) {
  .page-contact .coop-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-contact .coop-route {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0;
    padding-block: 0.5rem;
  }

  .page-contact .coop-route::before {
    content: "";
    position: absolute;
    left: 10%;
    right: 10%;
    top: 1.75rem;
    height: 1px;
    background: linear-gradient(90deg, var(--lime-40) 0%, rgba(79, 209, 197, 0.35) 100%);
  }

  .page-contact .coop-route {
    position: relative;
  }

  .page-contact .coop-route li {
    z-index: 1;
  }

  .page-contact .coop-route a {
    padding-block: 0.3rem 0.6rem;
  }

  .page-contact .coop-dir:nth-child(even) {
    margin-block-start: 1.75rem;
  }

  .page-contact .coop-dir__more {
    max-height: 0;
    opacity: 0;
    margin-block-start: 0;
    padding-block-start: 0;
    border-top-color: transparent;
    transition: max-height 0.3s var(--ease), opacity 0.3s var(--ease),
                margin 0.3s var(--ease), padding 0.3s var(--ease), border-color 0.3s var(--ease);
  }

  .page-contact .coop-dir:hover .coop-dir__more,
  .page-contact .coop-dir:focus .coop-dir__more,
  .page-contact .coop-dir:focus-within .coop-dir__more {
    max-height: 16rem;
    opacity: 1;
    margin-block-start: 0.55rem;
    padding-block-start: 0.6rem;
    border-top-color: var(--paper-14);
  }

  .page-contact .coop-region__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
  }

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

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

@media (min-width: 1120px) {
  .page-contact .coop-value__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .coop-value__item--a {
    grid-column: span 2;
  }

  .page-contact .coop-channel--mail {
    grid-column: span 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .coop-dir,
  .page-contact .coop-next__links a,
  .page-contact .coop-route a {
    transition: none;
  }

  .page-contact .coop-dir:hover,
  .page-contact .coop-dir:focus,
  .page-contact .coop-dir:focus-within {
    transform: none;
  }
}