/* ===== 联系与对接 · page-contact ===== */
.page-contact {
  --pc-rule: rgba(95, 113, 120, .35);
  --pc-rule-soft: rgba(95, 113, 120, .2);
  display: block;
  overflow-x: clip;
  color: var(--white);
}

/* --- 首屏信息带 --- */
.page-contact .contact-band {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--pc-rule);
  background:
    linear-gradient(122deg, rgba(0, 230, 118, .09) 0%, rgba(0, 230, 118, 0) 48%),
    linear-gradient(302deg, rgba(255, 145, 0, .09) 0%, rgba(255, 145, 0, 0) 44%),
    var(--pitch);
}

.page-contact .contact-band__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 30px;
  align-items: start;
  padding: clamp(30px, 7vw, 60px) 0 clamp(34px, 7vw, 70px);
}

.page-contact .coord {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--signal);
}

.page-contact .contact-band h1 {
  margin: 10px 0 0;
  font-family: var(--font-title);
  font-weight: 600;
  font-size: clamp(30px, 7vw, 58px);
  line-height: 1.12;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-contact .contact-band__lead {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--grey);
}

.page-contact .contact-quick {
  display: grid;
  gap: 8px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-quick__item {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 11px 14px 12px;
  background: var(--glass-soft);
  border-left: 2px solid var(--signal);
}

.page-contact .contact-quick__item--amber {
  border-left-color: var(--amber);
}

.page-contact .contact-quick__k {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-contact .contact-quick__v {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.5;
  word-break: break-word;
  font-variant-numeric: tabular-nums;
  color: var(--white);
}

.page-contact .contact-band__media {
  margin: 0;
  border: 1px solid var(--pc-rule);
  background: var(--glass);
}

.page-contact .contact-band__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* --- 通用区块 --- */
.page-contact .section {
  padding: clamp(40px, 7vw, 84px) 0;
}

.page-contact .section--tight {
  padding: clamp(30px, 5vw, 56px) 0;
}

.page-contact .section__title {
  margin: 8px 0 0;
  font-family: var(--font-title);
  font-weight: 600;
  font-size: clamp(24px, 4.4vw, 38px);
  line-height: 1.22;
  color: var(--white);
}

.page-contact .section__lead {
  margin: 12px 0 0;
  max-width: 44em;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--grey);
}

/* --- 三条对接线 --- */
.page-contact .contact-paths {
  display: grid;
  margin-top: clamp(24px, 4vw, 42px);
  border-top: 1px solid var(--pc-rule);
}

.page-contact .path {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 0;
  border-bottom: 1px solid var(--pc-rule);
}

.page-contact .path::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--signal);
  transition: width .18s var(--ease);
}

.page-contact .path:hover::before,
.page-contact .path:focus-within::before {
  width: 72px;
}

.page-contact .path__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--steel);
}

.page-contact .path__title {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 21px;
  line-height: 1.35;
  color: var(--white);
}

.page-contact .path__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--grey);
}

.page-contact .path__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--signal);
}

.page-contact .path .btn {
  align-self: flex-start;
  margin-top: 2px;
}

/* --- 主办方接入 --- */
.page-contact .join-grid {
  display: grid;
  gap: 26px;
  margin-top: clamp(22px, 3.5vw, 38px);
}

.page-contact .check-list {
  display: grid;
  gap: 11px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .check-list li {
  position: relative;
  padding-left: 30px;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--grey);
}

.page-contact .check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .44em;
  width: 15px;
  height: 15px;
  border: 1px solid var(--steel);
  background: rgba(95, 113, 120, .14);
}

.page-contact .join-note {
  margin: 20px 0 0;
  padding: 12px 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--grey);
  background: rgba(255, 145, 0, .08);
  border-left: 2px solid var(--amber);
}

.page-contact .join-grid__main .btn {
  margin-top: 22px;
}

.page-contact .join-aside {
  padding: 22px 20px 24px;
  border-left: 2px solid var(--signal);
}

.page-contact .join-aside__value {
  margin: 14px 0 0;
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: clamp(42px, 9vw, 58px);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--signal);
}

.page-contact .join-aside__value span {
  font-family: var(--font-body);
  font-size: 15px;
  letter-spacing: .04em;
  color: var(--grey);
}

.page-contact .join-aside__note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--grey);
}

/* --- 数据更正 --- */
.page-contact .split {
  display: grid;
  gap: 28px;
  margin-top: clamp(22px, 3.5vw, 38px);
}

.page-contact .steps {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .steps > li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--pc-rule-soft);
}

.page-contact .steps > li:last-child {
  border-bottom: 1px solid var(--pc-rule-soft);
}

.page-contact .steps__n {
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--signal);
}

.page-contact .steps h3 {
  margin: 0 0 5px;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--white);
}

.page-contact .steps p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--grey);
}

.page-contact .split__media {
  margin: 0;
  border: 1px solid var(--pc-rule);
  background: var(--glass);
}

.page-contact .split__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

/* --- 合作 --- */
.page-contact .coop-grid {
  display: grid;
  gap: 1px;
  margin-top: clamp(22px, 3.5vw, 38px);
  background: var(--pc-rule-soft);
  border: 1px solid var(--pc-rule-soft);
}

.page-contact .coop {
  padding: 22px 20px 24px;
  background: var(--pitch);
}

.page-contact .coop__t {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 19px;
  line-height: 1.4;
  color: var(--white);
}

.page-contact .coop__t::after {
  content: "";
  display: block;
  width: 26px;
  height: 2px;
  margin-top: 10px;
  background: var(--signal);
}

.page-contact .coop__d {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--grey);
}

/* --- 联系方式 --- */
.page-contact .chan-grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(22px, 3.5vw, 36px);
}

.page-contact .chan {
  padding: 22px 20px 24px;
  background: var(--glass-soft);
  border-top: 2px solid var(--steel);
}

.page-contact .chan--mail {
  border-top-color: var(--signal);
}

.page-contact .chan--tel {
  border-top-color: var(--amber);
}

.page-contact .chan__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-contact .chan__v {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1.4;
  word-break: break-word;
  font-variant-numeric: tabular-nums;
  color: var(--white);
}

.page-contact .chan--addr .chan__v {
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.6;
}

.page-contact .chan__note {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--grey);
}

.page-contact .service-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 22px 0 0;
  padding: 13px 18px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--white);
  background: linear-gradient(90deg, rgba(0, 230, 118, .16), rgba(0, 230, 118, 0) 66%);
  border-left: 2px solid var(--signal);
}

/* --- 常见问题 --- */
.page-contact .qa-list {
  margin-top: clamp(20px, 3vw, 32px);
  border-top: 1px solid var(--pc-rule-soft);
}

.page-contact .qa {
  border-bottom: 1px solid var(--pc-rule-soft);
}

.page-contact .qa summary {
  position: relative;
  padding: 16px 36px 16px 0;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--white);
}

.page-contact .qa summary::-webkit-details-marker {
  display: none;
}

.page-contact .qa summary::after {
  content: "";
  position: absolute;
  right: 8px;
  top: 50%;
  width: 9px;
  height: 9px;
  border-right: 1px solid var(--signal);
  border-bottom: 1px solid var(--signal);
  transform: translateY(-70%) rotate(45deg);
  transition: transform .18s var(--ease);
}

.page-contact .qa[open] summary::after {
  transform: translateY(-30%) rotate(-135deg);
}

.page-contact .qa__body {
  padding: 0 36px 18px 0;
}

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

/* --- 先读一步 --- */
.page-contact .before-grid {
  margin-top: clamp(20px, 3vw, 34px);
  gap: 14px;
}

.page-contact .before-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px 22px;
  color: inherit;
  text-decoration: none;
  background: var(--glass-soft);
  border: 1px solid var(--pc-rule);
  transition: border-color .18s var(--ease), transform .18s var(--ease);
}

.page-contact .before-card:hover,
.page-contact .before-card:focus-visible {
  border-color: var(--signal);
  transform: translateY(-2px);
}

.page-contact .before-card__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-contact .before-card__t {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 19px;
  line-height: 1.4;
  color: var(--white);
}

.page-contact .before-card__d {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--grey);
}

.page-contact .before-card__go {
  margin-top: auto;
  padding-top: 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--signal);
}

/* --- 响应式 --- */
@media (min-width: 620px) {
  .page-contact .contact-quick {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px 10px;
  }
}

@media (min-width: 720px) {
  .page-contact .coop-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 719px) {
  .page-contact .before-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (min-width: 900px) {
  .page-contact .contact-paths {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-bottom: 1px solid var(--pc-rule);
  }

  .page-contact .path {
    gap: 13px;
    padding: 30px 26px 28px;
    border-bottom: 0;
    border-left: 1px solid var(--pc-rule);
  }

  .page-contact .path:first-child {
    padding-left: 0;
    border-left: 0;
  }

  .page-contact .path:last-child {
    padding-right: 0;
  }

  .page-contact .join-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 42px;
  }

  .page-contact .split {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: 44px;
  }

  .page-contact .chan-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-band::after {
    content: "";
    position: absolute;
    z-index: 0;
    top: -32%;
    right: -14%;
    width: 60%;
    height: 164%;
    pointer-events: none;
    background: linear-gradient(158deg, rgba(22, 38, 45, .9), rgba(6, 35, 26, .28));
    border-left: 1px solid var(--pc-rule);
    transform: skewX(-13deg);
  }

  .page-contact .contact-band__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: 52px;
  }

  .page-contact .contact-band h1 {
    font-size: clamp(40px, 4.4vw, 60px);
  }
}
<<<END>>>