.page-contact {
  --ct-gap: clamp(1.2rem, 3vw, 2.4rem);
  --ct-radius: 26px;
  display: block;
  padding-bottom: clamp(2.4rem, 6vw, 4.5rem);
}

/* 面包屑 */
.page-contact .ct-crumb {
  padding-top: clamp(1.4rem, 4vw, 2.2rem);
}
.page-contact .ms-breadcrumb {
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--mist);
}
.page-contact .ms-breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-contact .ms-breadcrumb a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* 首屏 */
.page-contact .ct-hero {
  padding-top: clamp(1.6rem, 4vw, 3rem);
  padding-bottom: clamp(2rem, 5vw, 3.4rem);
}
.page-contact .ct-eyebrow {
  display: inline-flex;
  align-items: center;
  margin: 0 0 1rem;
  padding: 0.38rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--amber);
  background: rgba(255, 176, 32, 0.06);
}
.page-contact .ct-title {
  margin: 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 6.4vw, 4rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--ivory);
}
.page-contact .ct-lede {
  margin: 1.2rem 0 0;
  max-width: 68ch;
  color: var(--mist);
  font-size: clamp(1rem, 2.2vw, 1.08rem);
  line-height: 1.78;
}
.page-contact .ct-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.6rem;
}
.page-contact .ct-quick {
  list-style: none;
  margin: 1.7rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.page-contact .ct-quick li {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  padding: 0.45rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  font-size: 13.5px;
  color: var(--mist);
  background: var(--ink-2);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-contact .ct-quick li:hover {
  border-color: var(--cyan);
  color: var(--ivory);
}
.page-contact .ct-quick .ms-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ivory);
}

/* 首屏双栏：左方向 / 右流程 */
.page-contact .ct-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(2.2rem, 5vw, 3.6rem);
}
@media (min-width: 980px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.34fr) minmax(0, 1fr);
    align-items: start;
  }
}

/* 章节头微调 */
.page-contact .ms-section__head {
  margin-bottom: 0;
}
.page-contact .ms-section__title {
  max-width: 24ch;
}

/* 图片带 */
.page-contact .ct-media-band {
  margin: 1.4rem 0 0;
  border-radius: var(--r-card);
  overflow: hidden;
  position: relative;
  border: 1px solid var(--line);
}
.page-contact .ct-media-band img {
  display: block;
  width: 100%;
  height: 100%;
  max-height: 168px;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.06);
}

/* 01 合作方向卡片 */
.page-contact .ct-dirs__list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-top: 1.2rem;
}
.page-contact .ct-dir {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: var(--ink-2);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}
.page-contact .ct-dir:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
  box-shadow: var(--shadow-up);
}
.page-contact .ct-dir[open] {
  border-color: var(--cyan);
}
@media (min-width: 700px) {
  .page-contact .ct-dir:nth-child(2) {
    width: 88%;
    margin-left: auto;
  }
  .page-contact .ct-dir:nth-child(3) {
    width: 94%;
  }
  .page-contact .ct-dir:nth-child(4) {
    width: 80%;
    margin-left: 8%;
  }
}
.page-contact .ct-dir__sum {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.8rem;
  padding: 1rem 1.15rem;
  cursor: pointer;
  list-style: none;
}
.page-contact .ct-dir__sum::-webkit-details-marker {
  display: none;
}
.page-contact .ct-dir__sum::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--mist);
  transition: color var(--dur) var(--ease);
}
.page-contact .ct-dir[open] .ct-dir__sum::after {
  content: "－";
  color: var(--cyan);
}
.page-contact .ct-dir__no {
  display: inline-grid;
  place-items: center;
  min-width: 30px;
  height: 30px;
  border-radius: 9px;
  background: var(--red);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}
.page-contact .ct-dir__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.08rem;
  letter-spacing: -0.01em;
  color: var(--ivory);
}
.page-contact .ct-dir__for {
  width: 100%;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--mist);
}
.page-contact .ct-dir__body {
  padding: 0 1.15rem 1.15rem;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
  border-top: 1px solid var(--line);
  padding-top: 0.95rem;
  margin-top: 0.2rem;
}
.page-contact .ct-dir__body p {
  margin: 0;
}
.page-contact .ct-dir__body ul {
  margin: 0.7rem 0 0;
  padding-left: 1.05rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.page-contact .ct-dir__body li::marker {
  color: var(--cyan);
}

/* 02 流程刻度条 */
.page-contact .ct-track {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}
.page-contact .ct-track__item {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 0 1rem;
  padding-bottom: 1.3rem;
}
.page-contact .ct-track__item::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 40px;
  bottom: 4px;
  width: 2px;
  background: linear-gradient(180deg, var(--red-deep), var(--line));
}
.page-contact .ct-track__item:last-child::before {
  display: none;
}
.page-contact .ct-track__dot {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  background: var(--ink);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--mist);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease),
    background var(--dur) var(--ease);
}
.page-contact .ct-track__item:hover .ct-track__dot {
  border-color: var(--cyan);
  color: var(--cyan);
}
.page-contact .ct-track__item.is-current .ct-track__dot {
  border-color: var(--cyan);
  background: var(--cyan);
  color: var(--ink);
  box-shadow: var(--shadow-up);
}
.page-contact .ct-track__body h3 {
  margin: 0.6rem 0 0.32rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.02rem;
  color: var(--ivory);
}
.page-contact .ct-track__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}
.page-contact .ct-track__time {
  display: inline-block;
  margin-top: 0.45rem;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--amber);
}
.page-contact .ct-track__item.is-current .ct-track__time {
  color: var(--cyan);
}

/* 03 可提供的资源 */
.page-contact .ct-offer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.6rem, 4vw, 2.6rem);
  margin-top: 1.5rem;
}
@media (min-width: 920px) {
  .page-contact .ct-offer__grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 1fr);
    align-items: start;
  }
}
.page-contact .ct-offer__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}
.page-contact .ct-offer__list li {
  display: grid;
  grid-template-columns: minmax(64px, auto) minmax(0, 1fr);
  gap: 0.3rem 1.1rem;
  align-items: baseline;
  padding: 0.95rem 1.1rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--red);
  border-radius: var(--r-sm);
  background: linear-gradient(90deg, rgba(200, 16, 46, 0.12), rgba(20, 22, 28, 0) 62%);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.page-contact .ct-offer__list li:hover {
  border-left-color: var(--cyan);
  transform: translateX(3px);
}
.page-contact .ct-offer__num {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: clamp(1.35rem, 3.6vw, 1.85rem);
  line-height: 1;
  color: var(--ivory);
  font-variant-numeric: tabular-nums;
}
.page-contact .ct-offer__list h3 {
  margin: 0 0 0.25rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  color: var(--ivory);
}
.page-contact .ct-offer__list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}
.page-contact .ct-offer__media {
  margin: 0;
  border-radius: var(--r-card);
  overflow: hidden;
  border: 1px solid var(--line);
}
.page-contact .ct-offer__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.05);
}

/* 04 合作生态 */
.page-contact .ct-eco__intro {
  margin: 1rem 0 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}
.page-contact .ct-eco__grid {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  overflow: hidden;
}
.page-contact .ct-eco__item {
  background: var(--ink-2);
  padding: 1.5rem 1.25rem;
  transition: background var(--dur) var(--ease);
}
.page-contact .ct-eco__item:hover {
  background: #171a22;
}
.page-contact .ct-eco__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: clamp(1.8rem, 4.4vw, 2.6rem);
  line-height: 1;
  color: var(--ivory);
  font-variant-numeric: tabular-nums;
}
.page-contact .ct-eco__caption {
  margin: 0.7rem 0 0;
  font-size: 13.5px;
  line-height: 1.66;
  color: var(--mist);
}
.page-contact .ct-eco__item--cyan .ct-eco__num {
  color: var(--cyan);
}
.page-contact .ct-eco__item--red {
  background: linear-gradient(150deg, var(--red-deep), var(--ink-2) 82%);
}
.page-contact .ct-eco__item--red .ct-eco__num {
  color: var(--amber);
}

/* 05 联系渠道 */
.page-contact .ct-channel__card {
  position: relative;
  margin-top: 1.5rem;
  padding: clamp(1.5rem, 4vw, 2.6rem);
  border: 1px solid var(--cyan);
  border-radius: var(--r-lg);
  background: linear-gradient(135deg, rgba(46, 230, 214, 0.08), rgba(20, 22, 28, 0) 46%),
    var(--ink-2);
  box-shadow: var(--shadow-up);
}
.page-contact .ct-channel__rows {
  margin: 1.5rem 0 0;
  display: grid;
  gap: 0.9rem;
  max-width: 62ch;
}
.page-contact .ct-channel__rows > div {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.25rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px dashed var(--line);
}
@media (min-width: 720px) {
  .page-contact .ct-channel__rows > div {
    grid-template-columns: 116px minmax(0, 1fr);
    align-items: baseline;
    gap: 1.4rem;
  }
}
.page-contact .ct-channel__rows dt {
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}
.page-contact .ct-channel__rows dd {
  margin: 0;
  font-size: clamp(1rem, 2.5vw, 1.24rem);
  line-height: 1.5;
  color: var(--ivory);
  word-break: break-word;
}
.page-contact .ct-channel__rows dd.ms-mono {
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
  color: var(--cyan);
}
.page-contact .ct-channel__card .ms-card__foot {
  margin-top: 1.4rem;
  max-width: 70ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

/* 06 常见问题 */
.page-contact .ct-faq__list {
  margin-top: 1.3rem;
  border-top: 1px solid var(--line);
}
.page-contact .ct-faq__item {
  border-bottom: 1px solid var(--line);
}
.page-contact .ct-faq__sum {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1.05rem 0.2rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1rem, 2.3vw, 1.14rem);
  line-height: 1.5;
  color: var(--ivory);
  transition: color var(--dur) var(--ease);
}
.page-contact .ct-faq__sum::-webkit-details-marker {
  display: none;
}
.page-contact .ct-faq__sum::after {
  content: "＋";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--cyan);
}
.page-contact .ct-faq__item[open] .ct-faq__sum::after {
  content: "－";
}
.page-contact .ct-faq__sum:hover {
  color: var(--cyan);
}
.page-contact .ct-faq__body {
  padding: 0 0.2rem 1.25rem;
  max-width: 80ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}
.page-contact .ct-faq__body p {
  margin: 0;
}
.page-contact .ct-faq__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 230, 214, 0.42);
  transition: border-color var(--dur) var(--ease);
}
.page-contact .ct-faq__body a:hover {
  border-bottom-color: var(--cyan);
}

/* 底部引导 */
.page-contact .ct-next {
  margin-top: clamp(2rem, 5vw, 3.4rem);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  padding: clamp(1.2rem, 3.4vw, 1.9rem);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(100deg, rgba(200, 16, 46, 0.18), rgba(11, 12, 16, 0) 58%);
}
.page-contact .ct-next__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--amber);
}
.page-contact .ct-next__line {
  margin: 0.45rem 0 0;
  max-width: 46ch;
  font-size: clamp(1rem, 2.2vw, 1.1rem);
  line-height: 1.7;
  color: var(--ivory);
}
.page-contact .ct-next__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

/* 窄屏兜底 */
@media (max-width: 520px) {
  .page-contact .ct-quick li {
    flex: 1 1 calc(50% - 0.6rem);
    justify-content: center;
  }
  .page-contact .ct-offer__list li {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-contact .ct-track__item {
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 0 0.85rem;
  }
  .page-contact .ct-track__dot {
    width: 38px;
    height: 38px;
    font-size: 12px;
  }
  .page-contact .ct-track__item::before {
    left: 18px;
    top: 34px;
  }
  .page-contact .ct-next__acts {
    width: 100%;
  }
  .page-contact .ct-next__acts .ms-btn {
    flex: 1 1 auto;
  }
}