/* ===== 合作洽谈页 page-contact ===== */

.page-contact .contact-hero {
  position: relative;
  padding: 36px 0 0;
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -34%;
  right: -12%;
  width: 66%;
  height: 150%;
  background: var(--neon);
  opacity: .1;
  transform: rotate(-11deg);
  pointer-events: none;
  z-index: 0;
}

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

.page-contact .contact-hero .breadcrumb {
  margin-bottom: 26px;
}

.page-contact .contact-hero__title {
  margin: 14px 0 0;
  font-size: clamp(2.3rem, 7.6vw, 5.4rem);
  line-height: .98;
  letter-spacing: -.02em;
  text-transform: none;
  overflow-wrap: break-word;
}

.page-contact .contact-hero__lede {
  margin: 22px 0 0;
  max-width: 40em;
}

.page-contact .contact-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 30px 0 0;
}

.page-contact .contact-hero__media {
  position: relative;
  margin: 44px 0 0;
  overflow: hidden;
}

.page-contact .contact-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(198deg, rgba(108, 43, 217, .5) 0%, rgba(0, 229, 255, .16) 46%, rgba(11, 14, 20, .86) 100%);
  pointer-events: none;
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 12 / 5;
}

.page-contact .contact-hero__media .media__cap {
  position: absolute;
  right: 18px;
  bottom: 14px;
  z-index: 2;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--paper);
  opacity: .72;
}

/* ---------- 合作方向：左信息块 + 右手风琴 ---------- */

.page-contact .contact-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  margin-top: 40px;
}

.page-contact .contact-aside {
  position: relative;
  padding: 26px 22px 24px;
  background: var(--panel);
  border: 0;
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}

.page-contact .contact-aside::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 72px;
  height: 3px;
  background: var(--neon);
}

.page-contact .contact-aside__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--cyan);
}

.page-contact .contact-aside__hint {
  margin: 14px 0 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--stone);
}

.page-contact .contact-aside__item {
  padding: 12px 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .contact-aside__key {
  display: block;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--stone);
}

.page-contact .contact-aside__val {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .contact-aside .btn {
  margin-top: 20px;
}

.page-contact .contact-directions__list {
  min-width: 0;
  border-top: 1px solid var(--line);
}

.page-contact .dir-panel {
  border-bottom: 1px solid var(--line);
}

.page-contact .dir-panel__head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 20px 2px;
  cursor: pointer;
  list-style: none;
  transition: padding-left .25s ease;
}

.page-contact .dir-panel__head::-webkit-details-marker {
  display: none;
}

.page-contact .dir-panel__head:hover {
  padding-left: 8px;
}

.page-contact .dir-panel__index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--stone);
}

.page-contact .dir-panel__title {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 900;
  font-size: clamp(1.1rem, 3.6vw, 1.5rem);
  letter-spacing: -.01em;
  color: var(--paper);
  transition: color .25s ease;
}

.page-contact .dir-panel[open] .dir-panel__title,
.page-contact .dir-panel__head:hover .dir-panel__title {
  color: var(--yellow);
}

.page-contact .dir-panel__toggle {
  position: relative;
  width: 22px;
  height: 22px;
  flex: none;
}

.page-contact .dir-panel__toggle::before,
.page-contact .dir-panel__toggle::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--cyan);
  transition: transform .25s ease;
}

.page-contact .dir-panel__toggle::before {
  width: 13px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.page-contact .dir-panel__toggle::after {
  width: 2px;
  height: 13px;
  transform: translate(-50%, -50%);
}

.page-contact .dir-panel[open] .dir-panel__toggle::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-contact .dir-panel__body {
  padding: 0 2px 26px;
  animation: contactPanelIn .3s ease both;
}

.page-contact .dir-panel__body p {
  margin: 0 0 10px;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--stone);
}

.page-contact .dir-panel__body strong {
  color: var(--paper);
  font-weight: 600;
}

.page-contact .dir-panel__link {
  margin-top: 14px !important;
}

.page-contact .dir-panel__link a {
  font-size: 14px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, .35);
  padding-bottom: 2px;
}

.page-contact .dir-panel__link a:hover {
  color: var(--yellow);
  border-bottom-color: rgba(255, 229, 0, .5);
}

@keyframes contactPanelIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 可交付资源 ---------- */

.page-contact .asset-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 38px;
}

.page-contact .asset-card {
  position: relative;
  padding: 24px 20px 26px;
  background: var(--panel);
  border: 1px solid var(--line);
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}

.page-contact .asset-card::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 48px;
  height: 2px;
  background: var(--neon);
  opacity: .8;
}

.page-contact .asset-card:hover {
  transform: translate(4px, -4px);
  border-color: rgba(0, 229, 255, .5);
  box-shadow: 0 20px 44px -28px rgba(0, 229, 255, .55);
}

.page-contact .asset-card__metric {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(2rem, 6.4vw, 2.8rem);
  font-weight: 700;
  line-height: 1;
  color: var(--yellow);
  letter-spacing: -.02em;
}

.page-contact .asset-card__metric span {
  margin-left: 4px;
  font-size: .42em;
  color: var(--stone);
  letter-spacing: .06em;
}

.page-contact .asset-card .card__title {
  margin: 0 0 10px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .asset-card .card__body {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--stone);
}

.page-contact .contact-assets__note {
  margin: 30px 0 0;
  max-width: 46em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--stone);
}

.page-contact .contact-assets__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, .3);
}

.page-contact .contact-assets__note a:hover {
  color: var(--yellow);
}

/* ---------- 流程时间线 ---------- */

.page-contact .contact-flow__head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-contact .contact-flow__media {
  position: relative;
  margin: 0;
  overflow: hidden;
}

.page-contact .contact-flow__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 2;
  filter: saturate(.92) contrast(1.06);
}

.page-contact .contact-flow__media .media__cap {
  position: absolute;
  left: 14px;
  bottom: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--paper);
  opacity: .72;
}

.page-contact .flow-timeline {
  position: relative;
  list-style: none;
  margin: 42px 0 0;
  padding: 0 0 0 4px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-contact .flow-timeline::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, rgba(108, 43, 217, .8), rgba(0, 229, 255, .65), rgba(255, 229, 0, .35));
}

.page-contact .flow-step {
  position: relative;
  padding-left: 54px;
  min-width: 0;
}

.page-contact .flow-step__node {
  position: absolute;
  left: 0;
  top: 0;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--yellow);
  background: var(--ink);
  border: 1px solid var(--cyan);
  border-radius: 50%;
  transition: box-shadow .25s ease, border-color .25s ease;
}

.page-contact .flow-step:hover .flow-step__node {
  border-color: var(--yellow);
  box-shadow: 0 0 0 4px rgba(0, 229, 255, .14), 0 0 22px -4px rgba(0, 229, 255, .7);
}

.page-contact .flow-step__title {
  margin: 6px 0 8px;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 900;
  font-size: 1.1rem;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .flow-step__body {
  margin: 0;
  max-width: 34em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--stone);
}

.page-contact .flow-note {
  margin: 34px 0 0;
  padding: 16px 20px;
  max-width: 44em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--paper);
  background: rgba(27, 34, 51, .72);
  border-left: 3px solid var(--clay);
}

/* ---------- 联系方式 ---------- */

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 38px;
}

.page-contact .channel {
  position: relative;
  padding: 26px 22px 28px;
  background: var(--deep);
  border: 1px solid var(--line-soft);
  transition: border-color .25s ease, transform .25s ease;
}

.page-contact .channel:hover {
  border-color: rgba(0, 229, 255, .45);
  transform: translateY(-3px);
}

.page-contact .channel__tag {
  display: inline-block;
  margin: 0 0 16px;
}

.page-contact .channel__title {
  margin: 0 0 12px;
  font-size: .95rem;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--stone);
}

.page-contact .channel__value {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 3.4vw, 1.28rem);
  font-weight: 600;
  line-height: 1.55;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .channel__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--stone);
}

.page-contact .channel-note {
  margin: 28px 0 0;
  max-width: 46em;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--stone);
}

.page-contact .channel-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, .3);
}

.page-contact .channel-note a:hover {
  color: var(--yellow);
}

/* ---------- 响应时效 ---------- */

.page-contact .reply-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: start;
}

.page-contact .reply-card {
  position: relative;
  padding: 30px 24px 28px;
  background: var(--panel);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}

.page-contact .reply-card .display--lg {
  margin: 12px 0 22px;
}

.page-contact .reply-clock {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 16px 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .reply-clock__num {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 5vw, 2rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--yellow);
  letter-spacing: -.02em;
}

.page-contact .reply-clock--alt .reply-clock__num {
  color: var(--cyan);
}

.page-contact .reply-clock__label {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--stone);
}

.page-contact .reply-list {
  min-width: 0;
}

.page-contact .reply-list__lead {
  margin: 0 0 16px;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--paper);
}

.page-contact .reply-list__items {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .reply-list__items li {
  position: relative;
  padding: 12px 0 12px 26px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--stone);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .reply-list__items li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 20px;
  width: 8px;
  height: 8px;
  background: var(--cyan);
  transform: rotate(45deg);
}

/* ---------- 常见问题 ---------- */

.page-contact .faq-list {
  margin-top: 34px;
  border-top: 1px solid var(--line);
}

.page-contact .faq-item {
  border-bottom: 1px solid var(--line);
}

.page-contact .faq-item__q {
  display: block;
  padding: 20px 30px 20px 2px;
  position: relative;
  cursor: pointer;
  list-style: none;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--paper);
  transition: color .25s ease;
}

.page-contact .faq-item__q::-webkit-details-marker {
  display: none;
}

.page-contact .faq-item__q::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--cyan);
  transition: transform .25s ease, color .25s ease;
}

.page-contact .faq-item[open] .faq-item__q {
  color: var(--yellow);
}

.page-contact .faq-item[open] .faq-item__q::after {
  content: "−";
  color: var(--yellow);
}

.page-contact .faq-item__a {
  padding: 0 2px 22px;
  animation: contactPanelIn .3s ease both;
}

.page-contact .faq-item__a p {
  margin: 0;
  max-width: 40em;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--stone);
}

.page-contact .contact-faq__cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin: 40px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper);
}

/* ---------- 窄屏微调 ---------- */

@media (max-width: 420px) {
  .page-contact .contact-hero__title {
    font-size: 2.05rem;
  }

  .page-contact .asset-card__metric {
    font-size: 1.85rem;
  }

  .page-contact .flow-step {
    padding-left: 46px;
  }

  .page-contact .flow-step__node {
    width: 34px;
    height: 34px;
    font-size: 12px;
  }

  .page-contact .flow-timeline::before {
    left: 16px;
  }
}

/* ---------- 平板 ---------- */

@media (min-width: 640px) {
  .page-contact .asset-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-contact .channel:last-child {
    grid-column: 1 / -1;
  }

  .page-contact .contact-hero__quick {
    gap: 16px;
  }
}

/* ---------- 桌面 ---------- */

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding-top: 52px;
  }

  .page-contact .contact-hero__media {
    margin-top: 56px;
  }

  .page-contact .contact-split {
    grid-template-columns: minmax(252px, 320px) minmax(0, 1fr);
    gap: 52px;
    align-items: start;
    margin-top: 48px;
  }

  .page-contact .contact-aside {
    position: sticky;
    top: 96px;
    padding: 30px 26px 28px;
  }

  .page-contact .contact-flow__head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 400px);
    align-items: end;
    gap: 52px;
  }

  .page-contact .flow-timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    padding-left: 0;
    margin-top: 56px;
  }

  .page-contact .flow-timeline::before {
    left: 0;
    right: 0;
    top: 19px;
    bottom: auto;
    width: auto;
    height: 2px;
    transform: rotate(-1.6deg);
    transform-origin: left center;
    background: linear-gradient(90deg, rgba(108, 43, 217, .85), rgba(0, 229, 255, .75) 52%, rgba(255, 229, 0, .45));
  }

  .page-contact .flow-step {
    padding: 66px 30px 0 0;
  }

  .page-contact .flow-step__node {
    left: 0;
    top: 0;
    width: 40px;
    height: 40px;
    border-radius: 0;
    clip-path: polygon(0 0, calc(100% - 9px) 0, 100% 9px, 100% 100%, 9px 100%, 0 calc(100% - 9px));
  }

  .page-contact .flow-step__title {
    margin-top: 0;
  }

  .page-contact .reply-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 56px;
  }
}

@media (min-width: 1080px) {
  .page-contact .asset-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-contact .channel:last-child {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .asset-card:hover,
  .page-contact .channel:hover,
  .page-contact .dir-panel__head:hover {
    transform: none;
  }

  .page-contact .dir-panel__body,
  .page-contact .faq-item__a {
    animation: none;
  }
}