.page-contact {
  --ct-gutter: clamp(1.25rem, 4vw, 2.75rem);
  --ct-rule: 1px solid var(--hair);
  --ct-rule-dark: 1px solid var(--hair-dark);
  background: var(--paper);
  color: var(--ink);
  overflow-x: clip;
}

/* ---------- 通用标题 ---------- */
.page-contact .ct-h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.4rem, 3.4vw, 2.15rem);
  line-height: 1.26;
  letter-spacing: .01em;
  margin: 0;
}

.page-contact .ct-sub {
  margin: .8rem 0 0;
  max-width: 34em;
  font-size: .95rem;
  line-height: 1.85;
  color: rgba(11, 7, 8, .72);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  padding-block: clamp(1.5rem, 3vw, 2.25rem) clamp(2.5rem, 6vw, 4.5rem);
}

.page-contact .ct-hero-inner {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: start;
}

.page-contact .ct-h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.9rem, 7vw, 3.4rem);
  line-height: 1.16;
  letter-spacing: .01em;
  margin: 0 0 1.1rem;
}

.page-contact .ct-intro {
  max-width: 35em;
  margin: 0;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(11, 7, 8, .78);
}

.page-contact .ct-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.6rem;
}

.page-contact .ct-hero-side {
  background: var(--ink-2);
  color: var(--paper);
  padding: clamp(1.25rem, 4vw, 1.75rem);
  display: grid;
  gap: 1.1rem;
  align-content: start;
  box-shadow: var(--shadow-soft);
}

.page-contact .ct-side-kicker {
  margin: 0;
  font-size: .72rem;
  letter-spacing: .34em;
  color: var(--gold);
}

.page-contact .ct-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .9rem;
}

.page-contact .ct-facts li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: .8rem;
  padding-bottom: .9rem;
  border-bottom: var(--ct-rule-dark);
}

.page-contact .ct-facts li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .ct-facts-num {
  font-family: var(--font-num);
  font-size: 1.9rem;
  line-height: 1;
  color: var(--gold);
}

.page-contact .ct-facts-txt {
  font-size: .86rem;
  line-height: 1.65;
  color: rgba(247, 243, 236, .76);
}

.page-contact .ct-side-note {
  margin: 0;
  padding-top: .9rem;
  border-top: var(--ct-rule-dark);
  font-size: .8rem;
  line-height: 1.7;
  color: rgba(247, 243, 236, .56);
}

@media (min-width: 880px) {
  .page-contact .ct-hero-inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .85fr);
    align-items: center;
  }
  .page-contact .ct-hero-side {
    clip-path: polygon(9% 0, 100% 0, 100% 100%, 0 100%);
    padding-inline-start: clamp(2rem, 4vw, 3rem);
  }
}

/* ---------- 合作方向 ---------- */
.page-contact .ct-tracks {
  background: var(--paper-2);
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
  border-top: var(--ct-rule);
  border-bottom: var(--ct-rule);
}

.page-contact .ct-tracks-head {
  max-width: 40rem;
}

.page-contact .ct-tracks-body {
  margin-top: clamp(1.75rem, 4vw, 3rem);
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
}

.page-contact .ct-track-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--ct-rule);
}

.page-contact .ct-track {
  position: relative;
  padding: 1.4rem 1rem 1.4rem 3rem;
  border-bottom: var(--ct-rule);
  transition: background-color .25s var(--ease);
}

.page-contact .ct-track::before {
  content: "";
  position: absolute;
  inset-block: 0;
  inset-inline-start: 0;
  width: 2px;
  background: transparent;
  transition: background-color .25s var(--ease);
}

.page-contact .ct-track:hover::before {
  background: var(--red-hot);
}

.page-contact .ct-track-num {
  position: absolute;
  inset-inline-start: .45rem;
  inset-block-start: 1.65rem;
  font-family: var(--font-num);
  font-size: 1rem;
  letter-spacing: .06em;
  color: var(--gold-deep);
}

.page-contact .ct-track-title {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  font-weight: 700;
  margin: 0 0 .45rem;
}

.page-contact .ct-track-desc {
  margin: 0 0 .75rem;
  font-size: .93rem;
  line-height: 1.85;
  color: rgba(11, 7, 8, .76);
}

.page-contact .ct-track-fit {
  display: inline-block;
  font-size: .78rem;
  line-height: 1.55;
  letter-spacing: .03em;
  color: var(--gold-deep);
  background: var(--paper);
  border: var(--ct-rule);
  padding: .3rem .65rem;
  transition: color .22s var(--ease), border-color .22s var(--ease);
}

.page-contact .ct-track:hover .ct-track-fit {
  color: var(--red-hot);
  border-color: var(--red-hot);
}

.page-contact .ct-track-figure {
  margin: 0;
  border: var(--ct-rule);
  background: var(--paper);
  overflow: hidden;
}

.page-contact .ct-track-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

@media (min-width: 900px) {
  .page-contact .ct-tracks-body {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }
  .page-contact .ct-track-figure {
    position: sticky;
    top: 2rem;
  }
}

/* ---------- 合作流程 ---------- */
.page-contact .ct-flow {
  background: var(--ink);
  color: var(--paper);
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.page-contact .ct-flow .ct-sub {
  color: rgba(247, 243, 236, .7);
}

.page-contact .ct-flow-inner {
  display: grid;
  gap: 1.25rem;
}

.page-contact .ct-flow-rail {
  display: none;
}

.page-contact .ct-steps {
  list-style: none;
  margin: clamp(1.25rem, 3vw, 2rem) 0 0;
  padding: 0;
}

.page-contact .ct-step {
  border-top: var(--ct-rule-dark);
}

.page-contact .ct-step:last-child {
  border-bottom: var(--ct-rule-dark);
}

.page-contact .ct-step summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: .9rem;
  padding: 1rem 0;
  cursor: pointer;
  list-style: none;
  transition: color .2s var(--ease);
}

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

.page-contact .ct-step summary:hover {
  color: var(--gold);
}

.page-contact .ct-step summary:focus-visible {
  outline: 1px solid var(--gold);
  outline-offset: 4px;
}

.page-contact .ct-step summary::after {
  content: "+";
  font-family: var(--font-num);
  font-size: 1.3rem;
  line-height: 1;
  color: var(--gold);
  transition: transform .25s var(--ease);
}

.page-contact .ct-step[open] summary::after {
  transform: rotate(45deg);
}

.page-contact .ct-step-num {
  font-family: var(--font-num);
  font-size: .9rem;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-contact .ct-step-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: .02em;
}

.page-contact .ct-step-body {
  padding: 0 .25rem 1.35rem 2.3rem;
}

.page-contact .ct-step-body p {
  margin: 0 0 .8rem;
  font-size: .92rem;
  line-height: 1.85;
  color: rgba(247, 243, 236, .75);
}

.page-contact .ct-step-body .ct-step-need {
  margin: 0;
  padding-inline-start: .75rem;
  border-inline-start: 1px solid var(--gold);
  font-size: .85rem;
  line-height: 1.75;
  color: var(--gold);
}

@media (min-width: 820px) {
  .page-contact .ct-flow-inner {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: clamp(1.5rem, 4vw, 3rem);
  }
  .page-contact .ct-flow-rail {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    position: relative;
    padding-block: 3.5rem 2rem;
  }
  .page-contact .ct-flow-rail::before {
    content: "";
    position: absolute;
    inset-block: 0;
    left: 50%;
    width: 1px;
    background: var(--hair-dark);
  }
  .page-contact .ct-flow-dot {
    position: relative;
    z-index: 1;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 1px solid var(--gold);
    background: var(--ink);
  }
  .page-contact .ct-flow-dot:first-child,
  .page-contact .ct-flow-dot:last-child {
    background: var(--gold);
  }
}

/* ---------- 联系渠道 ---------- */
.page-contact .ct-channels {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
  background: var(--paper);
}

.page-contact .ct-channels-inner {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  padding: clamp(1.25rem, 4vw, 2.5rem);
  border: 1px solid var(--red);
  background: var(--paper);
  box-shadow: var(--shadow-soft);
}

.page-contact .ct-channels-figure {
  margin: 0;
  border: var(--ct-rule);
  overflow: hidden;
}

.page-contact .ct-channels-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .ct-channel-list {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  border-top: var(--ct-rule);
}

.page-contact .ct-channel-row {
  display: grid;
  gap: .2rem;
  padding: .85rem 0;
  border-bottom: var(--ct-rule);
}

.page-contact .ct-channel-label {
  font-size: .78rem;
  letter-spacing: .16em;
  color: rgba(11, 7, 8, .55);
}

.page-contact .ct-channel-value {
  font-size: .98rem;
  line-height: 1.7;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .ct-channel-value--mail {
  font-family: var(--font-num);
  font-size: 1.08rem;
  letter-spacing: .01em;
  color: var(--gold-deep);
  overflow-wrap: anywhere;
}

.page-contact .ct-channel-value--num {
  font-family: var(--font-num);
  font-size: 1.7rem;
  line-height: 1.2;
  letter-spacing: .03em;
  color: var(--gold-deep);
}

.page-contact .ct-channel-note {
  margin: 1.15rem 0 0;
  padding-inline-start: .8rem;
  border-inline-start: 2px solid var(--red);
  font-size: .85rem;
  line-height: 1.8;
  color: rgba(11, 7, 8, .66);
}

@media (min-width: 560px) {
  .page-contact .ct-channel-row {
    grid-template-columns: 7rem minmax(0, 1fr);
    align-items: baseline;
    gap: 1rem;
  }
}

@media (min-width: 860px) {
  .page-contact .ct-channels-inner {
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
    align-items: center;
  }
}

/* ---------- 信息清单 ---------- */
.page-contact .ct-brief {
  padding-block: clamp(2.25rem, 5vw, 4rem);
  background: var(--paper-2);
  border-top: var(--ct-rule);
  border-bottom: var(--ct-rule);
}

.page-contact .ct-brief-list {
  list-style: none;
  margin: clamp(1.5rem, 3vw, 2rem) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--hair);
  border: var(--ct-rule);
}

.page-contact .ct-brief-list li {
  background: var(--paper);
  padding: 1.15rem 1.25rem;
  display: grid;
  gap: .35rem;
  align-content: start;
}

.page-contact .ct-brief-key {
  font-size: .74rem;
  letter-spacing: .18em;
  color: var(--gold-deep);
}

.page-contact .ct-brief-val {
  font-size: .93rem;
  line-height: 1.8;
  color: rgba(11, 7, 8, .78);
}

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

/* ---------- 自助入口 ---------- */
.page-contact .ct-more {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
  background: var(--paper);
}

.page-contact .ct-more-list {
  list-style: none;
  margin: clamp(1.5rem, 3vw, 2rem) 0 0;
  padding: 0;
  border-top: var(--ct-rule);
}

.page-contact .ct-more-item a {
  position: relative;
  display: grid;
  gap: .2rem;
  padding: 1.05rem .5rem 1.05rem 2.4rem;
  border-bottom: var(--ct-rule);
  text-decoration: none;
  color: inherit;
  transition: background-color .22s var(--ease);
}

.page-contact .ct-more-item a::before {
  content: "→";
  position: absolute;
  left: .5rem;
  top: 1.2rem;
  font-family: var(--font-num);
  font-size: 1rem;
  color: var(--gold-deep);
  transition: transform .22s var(--ease), color .22s var(--ease);
}

.page-contact .ct-more-item a:hover {
  background: var(--paper-2);
}

.page-contact .ct-more-item a:hover::before {
  transform: translateX(4px);
  color: var(--red-hot);
}

.page-contact .ct-more-item a:focus-visible {
  outline: 1px solid var(--red-hot);
  outline-offset: -1px;
}

.page-contact .ct-more-kicker {
  font-size: .74rem;
  letter-spacing: .18em;
  color: rgba(11, 7, 8, .5);
}

.page-contact .ct-more-name {
  font-family: var(--font-display);
  font-size: 1.02rem;
  line-height: 1.55;
}

/* ---------- 入场动效 ---------- */
.page-contact [data-reveal] {
  opacity: 1;
  transform: none;
}

.page-contact [data-reveal].is-visible {
  animation: ct-fade .55s var(--ease) both;
}

@keyframes ct-fade {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact * {
    animation: none !important;
    transition-duration: .01ms !important;
  }
}
<<<END>>>