/* ===== 合作洽谈页 ===== */

.page-contact .coop-hero {
  position: relative;
  overflow: hidden;
}
.page-contact .coop-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(115deg, rgba(201, 255, 63, 0.07) 0 1px, transparent 1px 46px);
  pointer-events: none;
}
.page-contact .coop-hero .container {
  position: relative;
  z-index: 1;
}
.page-contact .coop-hero .breadcrumb__link {
  color: var(--on-dark-soft);
}
.page-contact .coop-hero__grid {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  align-items: start;
  margin-top: clamp(18px, 3vw, 32px);
}
@media (min-width: 900px) {
  .page-contact .coop-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}
.page-contact .coop-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(32px, 5.2vw, 54px);
  line-height: 1.06;
  letter-spacing: -0.015em;
  color: var(--cream);
  margin: 16px 0 0;
}
.page-contact .coop-hero__lede {
  margin: 20px 0 0;
  max-width: 48ch;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.75;
  color: var(--on-dark-soft);
}
.page-contact .coop-hero__points {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
@media (min-width: 640px) {
  .page-contact .coop-hero__points {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 24px;
  }
}
.page-contact .coop-hero__points li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--on-dark-soft);
}
.page-contact .coop-hero__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 9px;
  height: 2px;
  background: var(--lime);
}
.page-contact .coop-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}
.page-contact .coop-hero__media {
  margin: 0;
}
.page-contact .coop-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 区块标题 */
.page-contact .coop-sec-head {
  max-width: 720px;
  margin-bottom: clamp(24px, 4vw, 40px);
}
.page-contact .coop-sec-head h2 {
  font-family: var(--font-head);
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 10px 0 0;
}
.page-contact .coop-sec-head__lede {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.75;
}

/* 合作方向：非对称双栏 */
.page-contact .coop-asym {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  align-items: start;
}
@media (min-width: 960px) {
  .page-contact .coop-asym {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  }
}
.page-contact .coop-tabs__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  margin-bottom: 22px;
}
@media (min-width: 620px) {
  .page-contact .coop-tabs__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.page-contact .coop-tab-btn {
  display: block;
  width: 100%;
  text-align: left;
  padding: 14px 16px;
  background: transparent;
  border: 1px solid var(--line-light);
  border-left: 3px solid transparent;
  color: var(--ink);
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.page-contact .coop-tab-btn:hover {
  background: rgba(6, 26, 43, 0.06);
}
.page-contact .coop-tab-btn[aria-selected="true"] {
  background: var(--navy);
  border-color: var(--navy);
  border-left-color: var(--lime);
  color: var(--cream);
}
.page-contact .coop-tab-btn:focus-visible {
  outline: 2px solid var(--grass);
  outline-offset: 2px;
}
.page-contact .coop-panel {
  border-top: 2px solid var(--grass);
  padding-top: 20px;
}
.page-contact .coop-panel__who {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--grass);
}
.page-contact .coop-panel__text {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.78;
}
.page-contact .coop-panel__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-contact .coop-panel__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.72;
}
.page-contact .coop-panel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--grass);
}
.page-contact .coop-panel__foot {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line-light);
  font-size: 14px;
  line-height: 1.7;
  color: var(--stone);
}

/* 右侧档案卡 */
.page-contact .coop-card {
  position: relative;
  background: var(--navy);
  color: var(--cream);
  padding: clamp(20px, 3vw, 30px);
  overflow: hidden;
}
.page-contact .coop-card__label {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--lime);
}
.page-contact .coop-card__figure {
  margin: 0 0 18px;
  border: 1px solid var(--line-dark);
  overflow: hidden;
}
.page-contact .coop-card__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}
.page-contact .coop-card__rows {
  margin: 0;
}
.page-contact .coop-card__row {
  display: grid;
  gap: 3px;
  padding: 13px 0;
  border-top: 1px solid var(--line-dark);
}
.page-contact .coop-card__row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--on-dark-mute);
}
.page-contact .coop-card__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.6;
  color: var(--cream);
  word-break: break-word;
}
.page-contact .coop-card__row dd a {
  color: var(--lime);
  text-decoration: none;
}
.page-contact .coop-card__row dd a:hover {
  text-decoration: underline;
}
.page-contact .coop-card__tip {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--on-dark-mute);
}

/* 流程带 */
.page-contact .coop-flow .coop-sec-head h2 {
  color: var(--cream);
}
.page-contact .coop-flow .coop-sec-head__lede {
  color: var(--on-dark-soft);
}
.page-contact .coop-flow__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
@media (min-width: 900px) {
  .page-contact .coop-flow__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
.page-contact .coop-flow__step {
  position: relative;
  padding: 22px 20px 24px;
  background: rgba(4, 18, 30, 0.34);
  border-top: 2px solid var(--lime);
}
.page-contact .coop-flow__step + .coop-flow__step::after {
  content: "";
  position: absolute;
  top: -2px;
  left: -14px;
  width: 14px;
  height: 100%;
  background: linear-gradient(to bottom right, transparent 47%, rgba(201, 255, 63, 0.55) 47%, rgba(201, 255, 63, 0.55) 53%, transparent 53%);
  pointer-events: none;
}
@media (max-width: 899px) {
  .page-contact .coop-flow__step + .coop-flow__step::after {
    display: none;
  }
}
.page-contact .coop-flow__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(34px, 4vw, 48px);
  line-height: 1;
  color: var(--lime);
}
.page-contact .coop-flow__step h3 {
  font-family: var(--font-head);
  font-size: 19px;
  letter-spacing: 0.01em;
  color: var(--cream);
  margin: 14px 0 0;
}
.page-contact .coop-flow__step p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--on-dark-soft);
}
.page-contact .coop-flow__note {
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--on-dark-mute);
}
.page-contact .coop-flow__note a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 255, 63, 0.5);
}
.page-contact .coop-flow__note a:hover {
  border-bottom-color: var(--lime);
}

/* 联系渠道 */
.page-contact .coop-contact .coop-sec-head h2 {
  color: var(--cream);
}
.page-contact .coop-contact .coop-sec-head__lede {
  color: var(--on-dark-soft);
}
.page-contact .coop-contact__grid {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  align-items: start;
}
@media (min-width: 900px) {
  .page-contact .coop-contact__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  }
}
.page-contact .coop-contact__panel {
  padding: clamp(22px, 3vw, 32px);
  background: rgba(4, 18, 30, 0.3);
  border: 1px solid var(--line-dark-strong);
}
.page-contact .coop-contact__row {
  display: grid;
  gap: 4px;
  padding: 16px 0;
  border-top: 1px solid var(--line-dark);
}
.page-contact .coop-contact__row:first-child {
  border-top: 0;
  padding-top: 0;
}
@media (min-width: 640px) {
  .page-contact .coop-contact__row {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: baseline;
    gap: 14px;
  }
}
.page-contact .coop-contact__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--on-dark-mute);
}
.page-contact .coop-contact__val {
  font-family: var(--font-mono);
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.5;
  color: var(--cream);
  word-break: break-word;
}
.page-contact .coop-contact__val--text {
  font-family: var(--font-body);
  font-size: 16px;
}
.page-contact .coop-contact__val a {
  color: var(--lime);
  text-decoration: none;
}
.page-contact .coop-contact__val a:hover {
  text-decoration: underline;
}
.page-contact .coop-contact__note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--line-dark-strong);
  font-size: 14px;
  line-height: 1.7;
  color: var(--on-dark-soft);
}
.page-contact .coop-contact__aside {
  background: var(--cream);
  color: var(--ink);
  padding: clamp(22px, 3vw, 32px);
}
.page-contact .coop-contact__aside h3 {
  font-family: var(--font-head);
  font-size: 20px;
  letter-spacing: 0.01em;
  margin: 0 0 14px;
  color: var(--ink);
}
.page-contact .coop-contact__aside ul {
  margin: 0;
  padding-left: 18px;
}
.page-contact .coop-contact__aside li {
  margin-top: 12px;
  font-size: 15px;
  line-height: 1.72;
}
.page-contact .coop-contact__aside li:first-child {
  margin-top: 0;
}
.page-contact .coop-contact__aside a {
  color: var(--grass);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 沟通准备 */
.page-contact .coop-prep__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}
@media (min-width: 900px) {
  .page-contact .coop-prep__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
  }
}
.page-contact .coop-prep__intro h2 {
  font-family: var(--font-head);
  font-size: clamp(24px, 3.2vw, 34px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  margin: 10px 0 0;
}
.page-contact .coop-prep__intro p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.75;
}
.page-contact .coop-prep__list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: prep;
}
.page-contact .coop-prep__list li {
  position: relative;
  counter-increment: prep;
  padding: 16px 0 16px 46px;
  border-bottom: 1px solid var(--line-light);
  font-size: 15px;
  line-height: 1.72;
}
.page-contact .coop-prep__list li:first-child {
  padding-top: 4px;
}
.page-contact .coop-prep__list li:first-child::before {
  top: 8px;
}
.page-contact .coop-prep__list li::before {
  content: counter(prep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 20px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--grass);
}

/* 常见合作问题 */
.page-contact .coop-faq .coop-sec-head h2 {
  color: var(--cream);
}
.page-contact .coop-faq__list {
  max-width: 860px;
  border-bottom: 1px solid var(--line-dark);
}
.page-contact .coop-faq__item {
  border-top: 1px solid var(--line-dark);
}
.page-contact .coop-faq__item summary {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 20px 44px 20px 0;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.5;
  color: var(--cream);
}
.page-contact .coop-faq__item summary::-webkit-details-marker {
  display: none;
}
.page-contact .coop-faq__item summary::after {
  content: "+";
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--lime);
}
.page-contact .coop-faq__item[open] summary::after {
  content: "–";
}
.page-contact .coop-faq__item summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}
.page-contact .coop-faq__item p {
  margin: 0 0 22px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--on-dark-soft);
}
.page-contact .coop-faq__item p a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 255, 63, 0.5);
}
.page-contact .coop-faq__item p a:hover {
  border-bottom-color: var(--lime);
}

/* 深色区块标题统一为暖白 */
.page-contact .coop-faq .coop-sec-head__lede {
  color: var(--on-dark-soft);
}

/* 动效降级 */
@media (prefers-reduced-motion: reduce) {
  .page-contact .coop-tab-btn {
    transition: none;
  }
}
<<<END>>>