/* ===== 商务合作页 · page-contact ===== */

.page-contact {
  background: var(--ink);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: clip;
}

.page-contact .mono {
  font-family: var(--font-mono);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.page-contact .breadcrumb {
  padding: 22px 0 0;
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--stone);
}

.page-contact .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .breadcrumb__list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line-strong);
}

.page-contact .breadcrumb a {
  color: var(--cream-60);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--ease), color var(--ease);
}

.page-contact .breadcrumb a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-contact .breadcrumb__current {
  color: var(--gold);
}

.page-contact .section {
  padding: 72px 0;
}

.page-contact .section--deep {
  background: var(--ink-3);
}

.page-contact .kicker {
  display: inline-block;
  font-family: var(--font-index);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.22em;
  color: var(--gold);
  padding-left: 26px;
  position: relative;
}

.page-contact .kicker::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 16px;
  height: 1px;
  background: var(--gold);
}

/* ---------- 首屏 ---------- */

.page-contact .ct-hero {
  padding-top: 28px;
  position: relative;
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--red) 22%, var(--gold-soft) 60%, transparent);
}

.page-contact .ct-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: start;
}

.page-contact .ct-hero__title {
  margin: 14px 0 0;
  line-height: 1.04;
  letter-spacing: -0.025em;
  color: var(--cream);
}

.page-contact .ct-hero__lead {
  margin: 24px 0 0;
  max-width: 54ch;
  color: var(--cream-80);
  font-size: 16.5px;
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-contact .ct-hero__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 22px 26px;
  margin: 42px 0 0;
  padding-top: 24px;
  border-top: 1px solid var(--line-strong);
}

.page-contact .ct-fact dt {
  font-family: var(--font-index);
  font-size: 11.5px;
  font-weight: 300;
  letter-spacing: 0.14em;
  color: var(--stone);
}

.page-contact .ct-fact dd {
  margin: 8px 0 0;
  font-size: 14px;
  color: var(--cream-60);
}

.page-contact .ct-fact__num {
  display: inline-block;
  font-size: 30px;
  line-height: 1;
  color: var(--gold);
  margin-right: 5px;
  vertical-align: -2px;
}

.page-contact .ct-hero__figure {
  margin: 0;
  position: relative;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
  overflow: hidden;
}

.page-contact .ct-hero__figure .figure__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  filter: saturate(1.06) contrast(1.04);
}

.page-contact .ct-hero__figure .figure__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 8px 16px;
  background: var(--ink-80);
  color: var(--cream-60);
  font-family: var(--font-index);
  font-size: 11px;
  letter-spacing: 0.12em;
  backdrop-filter: blur(4px);
}

/* ---------- 通用标题组 ---------- */

.page-contact .ct-head {
  max-width: 760px;
  margin-bottom: 44px;
}

.page-contact .ct-head__title {
  margin: 14px 0 0;
  line-height: 1.14;
  color: var(--cream);
}

.page-contact .ct-head__lead {
  margin: 20px 0 0;
  color: var(--cream-60);
  max-width: 64ch;
}

.page-contact .ct-head--split {
  max-width: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  align-items: end;
}

/* ---------- 四种合作方向 ---------- */

.page-contact .ct-ways__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-contact .ct-way {
  position: relative;
  padding: 28px 22px 30px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  transition: border-color var(--ease), background-color var(--ease);
}

.page-contact .ct-way:hover {
  border-color: var(--gold-soft);
  background: #1a3831;
}

.page-contact .ct-way::after {
  content: "";
  position: absolute;
  left: 22px;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--red);
  transition: width var(--ease);
}

.page-contact .ct-way:hover::after {
  width: 56px;
}

.page-contact .ct-way__no {
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-contact .ct-way__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--cream);
  line-height: 1.25;
}

.page-contact .ct-way__text {
  margin: 0;
  font-size: 14.5px;
  color: var(--cream-80);
}

.page-contact .ct-way__who {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-index);
  font-size: 12.5px;
  font-weight: 300;
  letter-spacing: 0.04em;
  color: var(--stone);
}

.page-contact .ct-way--a { --accent: var(--red); }
.page-contact .ct-way--b { --accent: var(--jade); }
.page-contact .ct-way--c { --accent: var(--amber); }
.page-contact .ct-way--d { --accent: var(--clay); }

.page-contact .ct-way--a .ct-way__no { color: var(--red); }
.page-contact .ct-way--b .ct-way__no { color: var(--jade); }
.page-contact .ct-way--c .ct-way__no { color: var(--amber); }
.page-contact .ct-way--d .ct-way__no { color: var(--clay); }

.page-contact .ct-way--a::after,
.page-contact .ct-way--b::after,
.page-contact .ct-way--c::after,
.page-contact .ct-way--d::after {
  background: var(--accent);
}

/* ---------- 五步接入流程 ---------- */

.page-contact .ct-flow__figure {
  margin: 0;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
  overflow: hidden;
}

.page-contact .ct-flow__figure .figure__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .ct-flow__figure .figure__cap {
  position: absolute;
  right: 0;
  bottom: 0;
  padding: 7px 14px;
  background: var(--ink-80);
  color: var(--cream-60);
  font-family: var(--font-index);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.page-contact .ct-flow__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .ct-step {
  position: relative;
}

.page-contact .ct-step__box {
  border: 1px solid var(--line);
  border-left: 2px solid var(--stone);
  background: var(--ink-2);
  transition: border-color var(--ease);
}

.page-contact .ct-step__box[open] {
  border-left-color: var(--red);
  border-color: var(--line-strong);
}

.page-contact .ct-step__sum {
  list-style: none;
  cursor: pointer;
  padding: 18px 18px 16px;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "no name"
    "no hint";
  gap: 4px 14px;
  align-items: center;
}

.page-contact .ct-step__sum::-webkit-details-marker {
  display: none;
}

.page-contact .ct-step__no {
  grid-area: no;
  font-size: 26px;
  line-height: 1;
  color: var(--gold);
  align-self: start;
}

.page-contact .ct-step__name {
  grid-area: name;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  color: var(--cream);
  letter-spacing: 0.01em;
}

.page-contact .ct-step__hint {
  grid-area: hint;
  font-family: var(--font-index);
  font-size: 11.5px;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--stone);
}

.page-contact .ct-step__hint::before {
  content: "+ ";
  color: var(--gold);
}

.page-contact .ct-step__box[open] .ct-step__hint::before {
  content: "− ";
  color: var(--red);
}

.page-contact .ct-step__body {
  padding: 0 18px 20px;
  animation: ct-fade 200ms ease-out both;
}

@keyframes ct-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

.page-contact .ct-step__body p {
  margin: 0;
  font-size: 14px;
  color: var(--cream-80);
}

.page-contact .ct-step__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 14px 0 0;
  border-top: 1px dashed var(--line);
  display: grid;
  gap: 8px;
}

.page-contact .ct-step__list li {
  font-family: var(--font-index);
  font-size: 12.5px;
  font-weight: 300;
  letter-spacing: 0.03em;
  color: var(--stone);
  padding-left: 16px;
  position: relative;
}

.page-contact .ct-step__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 7px;
  height: 1px;
  background: var(--gold-soft);
}

/* ---------- 服务包 / 企业季票 ---------- */

.page-contact .ct-pack__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-contact .ct-pack__col {
  padding: 30px 24px 34px;
}

.page-contact .ct-pack__title {
  margin: 12px 0 0;
  font-size: 26px;
  line-height: 1.22;
  color: var(--cream);
}

.page-contact .ct-pack__lead {
  margin: 16px 0 0;
  color: var(--cream-60);
  font-size: 15px;
}

.page-contact .ct-svc {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
}

.page-contact .ct-svc__item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  padding: 18px 4px;
  background: var(--ink-2);
}

.page-contact .ct-svc__no {
  font-size: 14px;
  color: var(--gold);
  padding-top: 4px;
}

.page-contact .ct-svc__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 16.5px;
  font-weight: 800;
  color: var(--cream);
  letter-spacing: 0.01em;
}

.page-contact .ct-svc__body p {
  margin: 6px 0 0;
  font-size: 13.5px;
  color: var(--cream-60);
}

.page-contact .ct-pack__col--ticket {
  background: var(--ink-2);
}

.page-contact .ct-tier {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .ct-tier__item {
  padding: 14px 16px;
  background: rgba(217, 164, 65, 0.06);
  border-left: 2px solid var(--gold);
  display: grid;
  gap: 4px;
}

.page-contact .ct-tier__name {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  color: var(--gold);
  letter-spacing: 0.02em;
}

.page-contact .ct-tier__desc {
  font-size: 13.5px;
  color: var(--cream-80);
}

.page-contact .ct-pack__note {
  margin: 24px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-index);
  font-size: 12.5px;
  font-weight: 300;
  letter-spacing: 0.03em;
  color: var(--stone);
}

/* ---------- 媒体与内容合作 ---------- */

.page-contact .ct-media__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  align-items: start;
}

.page-contact .ct-media__title {
  margin: 12px 0 0;
  font-size: 27px;
  line-height: 1.2;
  color: var(--cream);
}

.page-contact .ct-media__copy p {
  margin: 16px 0 0;
  color: var(--cream-80);
  font-size: 15px;
  max-width: 56ch;
}

.page-contact .ct-media__copy .btn {
  margin-top: 24px;
}

.page-contact .ct-media__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line-strong);
}

.page-contact .ct-media__list li {
  background: var(--ink);
  padding: 14px 4px;
  font-size: 13.5px;
  color: var(--cream-60);
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-contact .ct-media__list .mono {
  font-size: 21px;
  color: var(--jade);
  min-width: 62px;
  line-height: 1;
}

/* ---------- 对接通道卡 ---------- */

.page-contact .ct-channels .wrap {
  position: relative;
}

.page-contact .ct-card {
  background: var(--cream);
  color: var(--ink);
  border-left: 6px solid var(--red);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  overflow: hidden;
}

.page-contact .ct-card__head {
  padding: 32px 26px 26px;
}

.page-contact .ct-card__head .kicker {
  color: var(--red);
}

.page-contact .ct-card__head .kicker::before {
  background: var(--red);
}

.page-contact .ct-card__title {
  margin: 12px 0 0;
  color: var(--ink);
  font-size: 28px;
  line-height: 1.14;
}

.page-contact .ct-card__lead {
  margin: 16px 0 0;
  color: rgba(20, 17, 15, 0.72);
  font-size: 15px;
  max-width: 44ch;
}

.page-contact .ct-card__body {
  padding: 4px 26px 30px;
  border-top: 1px solid rgba(20, 17, 15, 0.14);
  margin-top: 4px;
}

.page-contact .ct-contact {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-contact .ct-contact__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding: 14px 0;
  border-bottom: 1px dashed rgba(20, 17, 15, 0.16);
}

.page-contact .ct-contact__row dt {
  font-family: var(--font-index);
  font-size: 11.5px;
  font-weight: 300;
  letter-spacing: 0.18em;
  color: rgba(20, 17, 15, 0.52);
}

.page-contact .ct-contact__row dd {
  margin: 0;
  font-size: 15px;
  color: var(--ink);
  word-break: break-word;
}

.page-contact .ct-contact__row dd.mono {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-contact .ct-card__foot {
  margin: 20px 0 0;
  font-family: var(--font-index);
  font-size: 11.5px;
  font-weight: 300;
  letter-spacing: 0.14em;
  color: rgba(20, 17, 15, 0.46);
}

/* ---------- 常见问答 ---------- */

.page-contact .ct-faq__list {
  display: grid;
  gap: 10px;
}

.page-contact .ct-qa {
  border: 1px solid var(--line);
  background: var(--ink-2);
  transition: border-color var(--ease);
}

.page-contact .ct-qa[open] {
  border-color: var(--gold-soft);
}

.page-contact .ct-qa__q {
  list-style: none;
  cursor: pointer;
  padding: 18px 20px 18px 48px;
  position: relative;
  font-family: var(--font-display);
  font-size: 16.5px;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--cream);
}

.page-contact .ct-qa__q::-webkit-details-marker {
  display: none;
}

.page-contact .ct-qa__q::before {
  content: "问";
  position: absolute;
  left: 18px;
  top: 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--red);
}

.page-contact .ct-qa[open] .ct-qa__q::before {
  color: var(--gold);
}

.page-contact .ct-qa__a {
  margin: 0;
  padding: 0 20px 20px 48px;
  font-size: 14.5px;
  color: var(--cream-80);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-contact .section {
    padding: 88px 0;
  }

  .page-contact .ct-way {
    padding: 30px 26px 34px;
  }

  .page-contact .ct-card {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

  .page-contact .ct-card__head {
    padding: 40px 32px 34px;
  }

  .page-contact .ct-card__body {
    border-top: none;
    border-left: 1px solid rgba(20, 17, 15, 0.14);
    margin-top: 0;
    padding: 40px 32px 40px;
    min-height: 100%;
  }

  .page-contact .ct-contact__row {
    grid-template-columns: 130px 1fr;
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-contact .ct-ways__grid {
    grid-template-columns: 3fr 2fr;
  }
}

@media (min-width: 960px) {
  .page-contact .ct-hero {
    padding-top: 40px;
  }

  .page-contact .ct-hero__grid {
    grid-template-columns: 7fr 5fr;
    gap: 56px;
  }

  .page-contact .ct-head--split {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
  }

  .page-contact .ct-flow__list {
    grid-template-columns: repeat(5, 1fr);
    gap: 0;
    border-top: 1px solid var(--line-strong);
    padding-top: 0;
  }

  .page-contact .ct-step {
    border-right: 1px solid var(--line);
  }

  .page-contact .ct-step:last-child {
    border-right: none;
  }

  .page-contact .ct-step::before {
    content: "";
    position: absolute;
    top: -5px;
    left: 18px;
    width: 9px;
    height: 9px;
    background: var(--stone);
    transition: background-color var(--ease);
  }

  .page-contact .ct-step:first-child::before {
    background: var(--red);
  }

  .page-contact .ct-step:hover::before,
  .page-contact .ct-step__box[open]::before {
    background: var(--gold);
  }

  .page-contact .ct-step__box {
    border: none;
    border-left: 1px solid var(--line);
    background: transparent;
    height: 100%;
  }

  .page-contact .ct-step:first-child .ct-step__box {
    border-left: none;
  }

  .page-contact .ct-step__box[open] {
    background: var(--ink-2);
    border-left-color: var(--line-strong);
  }

  .page-contact .ct-step__sum {
    padding: 26px 18px 22px;
    grid-template-columns: 1fr;
    grid-template-areas:
      "no"
      "name"
      "hint";
    gap: 8px;
    align-items: start;
  }

  .page-contact .ct-step__body {
    padding: 0 18px 26px;
  }

  .page-contact .ct-media__grid {
    grid-template-columns: 7fr 5fr;
    gap: 56px;
    align-items: center;
  }
}

@media (min-width: 1080px) {
  .page-contact .ct-ways__grid {
    grid-template-columns: 3fr 2fr 2fr 3fr;
    gap: 20px;
    align-items: start;
  }

  .page-contact .ct-ways__grid > .ct-way--b,
  .page-contact .ct-ways__grid > .ct-way--c {
    margin-top: 34px;
  }

  .page-contact .ct-pack__grid {
    grid-template-columns: 7fr 5fr;
    gap: 28px;
    align-items: start;
  }

  .page-contact .ct-pack__col {
    padding: 36px 30px 42px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}
<<<END>>>