.page-contact {
  position: relative;
  overflow-x: clip;
  color: var(--bone);
}

/* ---------- 首屏 ---------- */
.page-contact .coop-hero {
  position: relative;
  padding: clamp(30px, 5vw, 56px) 0 clamp(26px, 4vw, 44px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(27, 77, 255, 0.28) 0%, rgba(27, 77, 255, 0) 62%),
    radial-gradient(80% 70% at 4% 100%, rgba(24, 199, 217, 0.15) 0%, rgba(24, 199, 217, 0) 65%);
}

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

.page-contact .coop-hero h1 {
  margin: 16px 0 18px;
  max-width: 22ch;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(30px, 6.2vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--bone);
}

.page-contact .coop-hero h1 em {
  font-style: normal;
  color: var(--neon);
  text-shadow: var(--glow-neon);
}

.page-contact .coop-hero .lede {
  max-width: 62ch;
  margin: 0;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.8;
  color: var(--rock);
}

.page-contact .hero-facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .hero-facts li {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding-left: 14px;
  border-left: 2px solid var(--blue);
  font-size: 14px;
  line-height: 1.65;
  color: var(--rock);
}

.page-contact .hero-facts .mono {
  font-family: var(--font-num);
  font-size: 16px;
  color: var(--bone);
}

/* ---------- 宽幅图 ---------- */
.page-contact .coop-band {
  position: relative;
  margin: 0;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-contact .coop-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7, 20, 38, 0.88) 0%, rgba(7, 20, 38, 0.18) 55%, rgba(7, 20, 38, 0.72) 100%);
  pointer-events: none;
}

.page-contact .coop-band img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 380px;
  object-fit: cover;
}

/* ---------- 双栏：联系与方向 / 流程 ---------- */
.page-contact .coop-split {
  padding: clamp(40px, 6vw, 76px) 0;
}

.page-contact .coop-split .grid-12 {
  row-gap: 34px;
}

.page-contact .contact-card {
  padding: 24px 22px 26px;
  margin-bottom: 32px;
  border: 1px solid var(--line-mid);
  border-top: 2px solid var(--cyan);
}

.page-contact .contact-card__title,
.page-contact .dir-block__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(19px, 2.6vw, 23px);
  letter-spacing: -0.01em;
  color: var(--bone);
}

.page-contact .contact-list {
  display: grid;
  gap: 14px;
  margin: 20px 0 0;
}

.page-contact .contact-row {
  display: grid;
  gap: 5px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}

.page-contact .contact-row dt {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--rock);
}

.page-contact .contact-row dd {
  margin: 0;
  font-family: var(--font-num);
  font-size: clamp(14px, 2.1vw, 17px);
  letter-spacing: 0.01em;
  color: var(--bone);
  word-break: break-all;
}

.page-contact .contact-row--addr dd {
  font-family: var(--font-body);
  font-size: 15px;
  letter-spacing: 0;
  word-break: normal;
}

.page-contact .contact-glow {
  color: var(--neon) !important;
  text-shadow: var(--glow-neon);
}

.page-contact .contact-note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--rock);
}

.page-contact .dir-block {
  margin-top: 4px;
}

.page-contact .coop-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 16px;
}

.page-contact .dir-item {
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--blue);
  background: rgba(14, 35, 64, 0.55);
}

.page-contact .dir-item[hidden] {
  display: none;
}

.page-contact .dir-item h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--bone);
}

.page-contact .dir-item .audience {
  margin: 0 0 10px;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-contact .dir-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--rock);
}

/* ---------- 流程时间轴 ---------- */
.page-contact .coop-flow .section-title {
  margin: 10px 0 24px;
}

.page-contact .timeline {
  position: relative;
  margin: 0;
  padding: 0 0 0 20px;
  list-style: none;
}

.page-contact .timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 12px;
  bottom: 12px;
  border-left: 1px dashed rgba(201, 123, 74, 0.62);
}

.page-contact .tl-step {
  position: relative;
  margin-bottom: 12px;
}

.page-contact .tl-step::before {
  content: "";
  position: absolute;
  left: -23px;
  top: 19px;
  width: 12px;
  height: 12px;
  border: 2px solid var(--clay);
  border-radius: 50%;
  background: var(--ink-900);
  box-shadow: 0 0 0 4px rgba(201, 123, 74, 0.14);
  z-index: 1;
}

.page-contact .tl-head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas:
    "no name icon"
    "dur dur dur";
  gap: 6px 12px;
  align-items: center;
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line);
  background: rgba(14, 35, 64, 0.5);
  color: var(--bone);
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 16.5px;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.page-contact .tl-head:hover {
  border-color: var(--blue);
}

.page-contact .tl-head[aria-expanded="true"] {
  border-color: rgba(27, 77, 255, 0.75);
  background: rgba(27, 77, 255, 0.12);
}

.page-contact .tl-no {
  grid-area: no;
  font-family: var(--font-num);
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--clay);
}

.page-contact .tl-name {
  grid-area: name;
  letter-spacing: -0.01em;
}

.page-contact .tl-dur {
  grid-area: dur;
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--rock);
}

.page-contact .tl-head .disclosure-icon {
  grid-area: icon;
  color: var(--rock);
}

.page-contact .tl-panel {
  padding: 0;
}

.page-contact .tl-body {
  margin: 0;
  padding: 12px 16px 14px;
  border-left: 1px solid var(--line-mid);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--rock);
}

.page-contact .flow-figure {
  margin: 28px 0 0;
  border: 1px solid var(--line);
  background: rgba(14, 35, 64, 0.4);
}

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

.page-contact .flow-figure .figure-caption {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--rock);
}

/* ---------- 合作之前 ---------- */
.page-contact .coop-look {
  padding: clamp(44px, 6vw, 76px) 0;
}

.page-contact .coop-look .section-title {
  margin: 10px 0 0;
}

.page-contact .look-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 28px;
}

.page-contact .look-card {
  display: block;
  padding: 22px 20px 24px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--blue);
  background: rgba(7, 20, 38, 0.62);
  color: inherit;
  text-decoration: none;
  transition: transform 0.22s ease, background 0.22s ease, border-color 0.22s ease;
}

.page-contact .look-card:nth-child(2) {
  border-top-color: var(--moss);
}

.page-contact .look-card:nth-child(3) {
  border-top-color: var(--orange);
}

.page-contact .look-card:hover {
  transform: translateY(-3px);
  background: rgba(14, 35, 64, 0.78);
}

.page-contact .look-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--bone);
}

.page-contact .look-card p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--rock);
}

.page-contact .look-card .more {
  display: inline-block;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--neon);
}

.page-contact .look-foot {
  margin: 24px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--rock);
}

.page-contact .look-foot a {
  color: var(--neon);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 到访收尾 ---------- */
.page-contact .coop-outro {
  padding: clamp(52px, 8vw, 104px) 0 clamp(60px, 9vw, 116px);
  border-top: 1px solid var(--line);
  background: radial-gradient(90% 120% at 12% 100%, rgba(27, 77, 255, 0.16), rgba(27, 77, 255, 0) 62%);
}

.page-contact .outro-title {
  margin: 10px 0 18px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(22px, 3.4vw, 32px);
  letter-spacing: -0.02em;
  color: var(--bone);
}

.page-contact .outro-addr {
  position: relative;
  margin: 0;
  padding-left: 18px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(17px, 2.4vw, 22px);
  letter-spacing: -0.01em;
  color: var(--bone);
}

.page-contact .outro-addr::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 9px;
  height: 9px;
  background: var(--clay);
}

.page-contact .outro-hint {
  margin: 16px 0 0;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--rock);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .hero-facts {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }

  .page-contact .hero-facts li {
    flex-direction: column;
    gap: 5px;
    align-items: flex-start;
  }

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

  .page-contact .timeline {
    padding-left: 26px;
  }

  .page-contact .timeline::before {
    left: 8px;
  }

  .page-contact .tl-step::before {
    left: -26px;
  }
}

@media (min-width: 900px) {
  .page-contact .look-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .tl-head {
    grid-template-columns: auto 1fr auto auto;
    grid-template-areas: "no name dur icon";
    gap: 12px;
    align-items: baseline;
  }

  .page-contact .tl-body {
    padding: 14px 20px 16px;
  }

  .page-contact .coop-left .contact-card {
    margin-bottom: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .look-card,
  .page-contact .tl-head {
    transition: none;
  }

  .page-contact .look-card:hover {
    transform: none;
  }
}