.page-contact {
  --pc-line: rgba(143, 163, 200, .28);
  --pc-line-strong: rgba(143, 163, 200, .48);
  display: block;
  background:
    radial-gradient(1100px 520px at 84% -6%, rgba(53, 240, 224, .09), transparent 62%),
    radial-gradient(900px 460px at 4% 32%, rgba(255, 62, 142, .07), transparent 66%),
    var(--ink);
}

.page-contact .breadcrumb {
  padding-top: clamp(18px, 4vw, 32px);
}

/* ---------- 首屏框景 ---------- */
.page-contact .co-hero {
  padding-top: clamp(16px, 3vw, 28px);
}

.page-contact .co-frame {
  position: relative;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: clamp(24px, 5vw, 56px) clamp(20px, 4.4vw, 52px) clamp(26px, 5vw, 48px);
  background:
    linear-gradient(158deg, rgba(15, 26, 51, .96), rgba(7, 11, 26, .82) 62%),
    var(--felt);
  box-shadow: var(--shadow-deep);
  overflow: hidden;
}

.page-contact .co-frame::before,
.page-contact .co-frame::after {
  content: "";
  position: absolute;
  width: 46px;
  height: 46px;
  pointer-events: none;
}

.page-contact .co-frame::before {
  top: 12px;
  left: 12px;
  border-top: 2px solid var(--cyan);
  border-left: 2px solid var(--cyan);
  box-shadow: -3px -3px 16px rgba(53, 240, 224, .32);
}

.page-contact .co-frame::after {
  right: 12px;
  bottom: 12px;
  border-right: 2px solid var(--gold);
  border-bottom: 2px solid var(--gold);
}

.page-contact .co-h1 {
  margin: 14px 0 0;
  font-size: clamp(30px, 7.2vw, 58px);
  line-height: 1.14;
  letter-spacing: -.02em;
  font-weight: 900;
  color: var(--white);
  text-shadow: 0 0 12px rgba(53, 240, 224, .34), 0 0 34px rgba(53, 240, 224, .16);
  max-width: 20ch;
}

.page-contact .co-lead {
  margin: clamp(16px, 3vw, 24px) 0 0;
  max-width: 640px;
  color: var(--mist);
}

.page-contact .co-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3.6vw, 32px);
}

.page-contact .co-rail {
  list-style: none;
  margin: clamp(26px, 4.4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
  border-top: 1px solid var(--pc-line);
  padding-top: clamp(18px, 3vw, 26px);
}

.page-contact .co-rail li {
  display: grid;
  gap: 6px;
  padding-left: 14px;
  border-left: 2px solid var(--cyan);
}

.page-contact .rail-label {
  font-size: 12px;
  letter-spacing: .26em;
  color: var(--mist);
}

.page-contact .rail-value {
  font-size: clamp(14px, 3.4vw, 17px);
  color: var(--white);
  word-break: break-all;
}

@media (min-width: 860px) {
  .page-contact .co-rail {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }
}

/* ---------- 区块标题 ---------- */
.page-contact .co-head {
  margin-bottom: clamp(22px, 4vw, 36px);
}

.page-contact .co-head .section-title {
  margin: 10px 0 0;
  max-width: 22ch;
}

/* ---------- 合作方向 ---------- */
.page-contact .co-media {
  margin: 0 0 clamp(26px, 4.4vw, 42px);
  border: 1px solid var(--pc-line);
}

.page-contact .co-media img,
.page-contact .co-visit-fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .dir-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .dir-item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px 16px;
  align-items: center;
  padding: clamp(16px, 3vw, 24px) clamp(16px, 3vw, 26px);
  border: 1px solid var(--pc-line);
  border-left: 5px solid var(--tone, var(--cyan));
  border-radius: 16px;
  background: var(--felt);
  transition: background .22s ease, transform .22s ease;
}

.page-contact .dir-item:hover {
  background: #12203D;
  transform: translateX(3px);
}

.page-contact .dir--rose { --tone: var(--rose); }
.page-contact .dir--violet { --tone: var(--violet); }
.page-contact .dir--cyan { --tone: var(--cyan); }

.page-contact .dir-title {
  margin: 0;
  font-size: clamp(18px, 4vw, 22px);
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-contact .dir-fit {
  margin: 6px 0 0;
  font-size: 14px;
  color: var(--mist);
}

.page-contact .dir-arrow {
  font-size: 22px;
  line-height: 1;
  color: var(--tone, var(--cyan));
  text-shadow: 0 0 14px currentColor;
}

.page-contact .dir-note {
  grid-column: 1 / -1;
  margin: 4px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

@media (min-width: 900px) {
  .page-contact .dir-note {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    margin-top: 0;
    transition: max-height .28s ease, opacity .28s ease, margin-top .28s ease;
  }

  .page-contact .dir-item:hover .dir-note,
  .page-contact .dir-item:focus-within .dir-note {
    max-height: 150px;
    opacity: 1;
    margin-top: 8px;
  }
}

/* ---------- 合作流程 ---------- */
.page-contact .flow-list {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 34px 0 0;
  display: grid;
  gap: 34px;
}

.page-contact .flow-step {
  position: relative;
  border: 1px solid var(--pc-line);
  border-radius: 18px;
  padding: 24px clamp(16px, 3vw, 22px) 20px;
  background: linear-gradient(180deg, rgba(22, 38, 74, .5), rgba(7, 11, 26, .2));
}

.page-contact .flow-node {
  position: absolute;
  top: -18px;
  left: clamp(16px, 3vw, 22px);
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  background: var(--ink);
  color: var(--cyan);
  font-size: 13px;
  box-shadow: 0 0 16px rgba(53, 240, 224, .35);
}

.page-contact .flow-step h3 {
  margin: 6px 0 8px;
  font-size: 18px;
  color: var(--white);
  letter-spacing: -.01em;
}

.page-contact .flow-step p {
  margin: 0;
  font-size: 15px;
  color: var(--mist);
  line-height: 1.75;
}

.page-contact .flow-prep {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--pc-line);
  font-size: 13px;
}

.page-contact .prep-label {
  color: var(--gold);
  letter-spacing: .2em;
  font-size: 12px;
  margin-right: 8px;
}

@media (min-width: 900px) {
  .page-contact .flow-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
    padding-top: 40px;
  }

  .page-contact .flow-list::before {
    content: "";
    position: absolute;
    top: 40px;
    left: 12.5%;
    right: 12.5%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(53, 240, 224, .7), transparent);
  }

  .page-contact .flow-node {
    left: 50%;
    transform: translateX(-50%);
  }
}

/* ---------- 支持能力 ---------- */
.page-contact .cap-list {
  display: grid;
  border-top: 1px solid var(--pc-line);
}

.page-contact .cap-row {
  display: grid;
  gap: 8px;
  padding: clamp(18px, 3vw, 26px) 0;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .cap-key {
  margin: 0;
  font-size: 13px;
  letter-spacing: .22em;
  color: var(--cyan);
}

.page-contact .cap-val {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 68ch;
}

.page-contact .cap-num {
  color: var(--gold);
  font-size: 16px;
  letter-spacing: .02em;
}

@media (min-width: 900px) {
  .page-contact .cap-row {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 32px;
    align-items: baseline;
  }
}

/* ---------- 客服渠道 ---------- */
.page-contact .co-contact {
  border-top: 1px solid var(--pc-line-strong);
  border-bottom: 1px solid var(--pc-line-strong);
  background: linear-gradient(180deg, rgba(15, 26, 51, .8), rgba(7, 11, 26, .35));
}

.page-contact .co-contact-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-contact .co-contact-main .contact-item {
  gap: 6px;
}

.page-contact .co-mail {
  font-size: clamp(15px, 3.8vw, 21px);
  color: var(--white);
  word-break: break-all;
  text-shadow: 0 0 14px rgba(53, 240, 224, .28);
}

.page-contact .co-contact-side p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .co-note-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .co-note-list li {
  padding-left: 16px;
  position: relative;
}

.page-contact .co-note-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--rose);
  box-shadow: 0 0 10px rgba(255, 62, 142, .6);
}

.page-contact .co-note-list a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 224, .35);
  font-size: 15px;
}

.page-contact .co-note-list a:hover {
  border-bottom-color: var(--cyan);
}

@media (min-width: 900px) {
  .page-contact .co-contact-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
}

/* ---------- 记录找回 ---------- */
.page-contact .co-recover-lead {
  margin: 0;
  color: var(--mist);
}

.page-contact .recover-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .recover-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 18px 20px;
  border: 1px solid var(--pc-line);
  border-radius: 14px;
  background: rgba(15, 26, 51, .62);
}

.page-contact .rec-index {
  color: var(--green);
  font-size: 14px;
  padding-top: 3px;
}

.page-contact .recover-list h3 {
  margin: 0 0 6px;
  font-size: 16px;
  color: var(--white);
}

.page-contact .recover-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 办公地点 ---------- */
.page-contact .co-visit-grid {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  align-items: start;
}

.page-contact .co-address {
  margin: 18px 0 0;
  font-size: clamp(16px, 4vw, 22px);
  line-height: 1.6;
  color: var(--gold);
  letter-spacing: .01em;
}

.page-contact .visit-scale {
  display: block;
  width: 100%;
  max-width: 340px;
  height: auto;
  margin: 16px 0 20px;
}

.page-contact .co-visit-text p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .co-visit-note {
  padding-left: 14px;
  border-left: 2px solid var(--violet);
  color: var(--mist);
}

.page-contact .co-visit-fig {
  margin: 0;
  border: 1px solid var(--pc-line);
}

@media (min-width: 900px) {
  .page-contact .co-visit-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }
}

/* ---------- 合作意向 ---------- */
.page-contact .co-intent-card {
  position: relative;
  border: 2px solid rgba(53, 240, 224, .55);
  border-radius: var(--radius);
  padding: clamp(24px, 5vw, 48px);
  background: linear-gradient(150deg, rgba(22, 38, 74, .9), rgba(7, 11, 26, .9));
  box-shadow: var(--shadow-hard);
}

.page-contact .intent-list {
  list-style: none;
  margin: clamp(18px, 3vw, 28px) 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .intent-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .intent-idx {
  color: var(--rose);
  font-size: 14px;
  padding-top: 2px;
}

.page-contact .co-intent-btn {
  margin-top: 6px;
  letter-spacing: .04em;
}

.page-contact .co-intent-btn:focus-visible,
.page-contact .co-actions .btn:focus-visible,
.page-contact .co-note-list a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}