.page-contact {
  background-color: var(--green-900);
  color: var(--cream);
  --ct-line: rgba(127, 227, 210, 0.18);
  --ct-line-strong: rgba(53, 242, 198, 0.42);
  --ct-gap: clamp(1rem, 2.4vw, 1.75rem);
  --ct-pad: clamp(1.15rem, 2.6vw, 1.85rem);
  overflow-x: hidden;
}

.page-contact .ct-head {
  display: grid;
  gap: 0.7rem;
  margin-bottom: clamp(1.5rem, 3.4vw, 2.4rem);
}

.page-contact .ct-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 4vw, 2.5rem);
  line-height: 1.12;
  letter-spacing: 0.01em;
  color: var(--cream);
}

.page-contact .ct-head p {
  margin: 0;
  max-width: 64ch;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--cyan-soft);
}

.page-contact .eyebrow {
  color: var(--amber);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  padding: clamp(1.25rem, 3vw, 2rem) 0 clamp(2.25rem, 6vw, 4rem);
  background:
    radial-gradient(120% 90% at 10% 0%, rgba(53, 242, 198, 0.12), transparent 62%),
    radial-gradient(90% 70% at 96% 8%, rgba(255, 90, 43, 0.13), transparent 66%);
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .breadcrumb {
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
}

.page-contact .breadcrumb a {
  color: var(--cyan-soft);
  text-decoration: none;
}

.page-contact .breadcrumb a:hover {
  color: var(--cyan);
}

.page-contact .breadcrumb li + li::before {
  content: "/";
  margin-right: 0.5rem;
  color: var(--moss);
}

.page-contact .breadcrumb [aria-current="page"] {
  color: var(--amber);
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-contact .ct-hero h1 {
  margin: 0.6rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(2.15rem, 7vw, 4.1rem);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-contact .ct-hero__lead {
  margin: clamp(1rem, 2.4vw, 1.4rem) 0 0;
  max-width: 56ch;
  font-size: clamp(0.95rem, 2vw, 1.05rem);
  line-height: 1.8;
  color: rgba(243, 237, 223, 0.84);
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: clamp(1.25rem, 3vw, 1.8rem);
}

.page-contact .ct-hero__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin: clamp(1.5rem, 3.4vw, 2.2rem) 0 0;
  padding-top: 1rem;
  border-top: 1px dashed var(--ct-line);
}

.page-contact .ct-hero__fact dt {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.09em;
  color: var(--moss);
}

.page-contact .ct-hero__fact dd {
  margin: 0.2rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3.2vw, 1.95rem);
  font-weight: 700;
  color: var(--cyan);
}

.page-contact .ct-hero__visual {
  position: relative;
  margin: 0;
}

.page-contact .ct-hero__visual::before {
  content: "";
  position: absolute;
  top: -9px;
  left: -9px;
  width: 54px;
  height: 54px;
  border-top: 2px solid var(--amber);
  border-left: 2px solid var(--amber);
  z-index: 2;
}

.page-contact .ct-hero__frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-l);
  border: 1px solid var(--ct-line-strong);
  background: var(--green-700);
}

.page-contact .ct-hero__frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-contact .ct-hero__visual figcaption {
  margin-top: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--moss);
}

/* ---------- 合作方向 ---------- */
.page-contact .ct-types {
  padding: var(--section-space) 0;
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-tabs .tablist {
  display: flex;
  gap: 0.55rem;
  overflow-x: auto;
  padding-bottom: 0.6rem;
  scrollbar-width: thin;
}

.page-contact .ct-tabs .tab {
  flex: 0 0 auto;
  padding: 0.7rem 1.1rem;
  border: 1px solid var(--ct-line);
  background: rgba(11, 59, 46, 0.5);
  color: var(--cyan-soft);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
  transition: color 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

.page-contact .ct-tabs .tab:hover {
  color: var(--cream);
  border-color: var(--ct-line-strong);
}

.page-contact .ct-tabs .tab.is-active,
.page-contact .ct-tabs .tab[aria-selected="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--green-900);
  font-weight: 700;
}

.page-contact .ct-tabs .tab:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

.page-contact .ct-tabs .tabpanel {
  display: none;
}

.page-contact .ct-tabs .tabpanel.is-active {
  display: block;
  margin-top: var(--ct-gap);
}

.page-contact .ct-tabs .tabpanel:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 4px;
}

.page-contact .ct-type {
  display: grid;
  gap: var(--ct-gap);
  padding: var(--ct-pad);
  background: linear-gradient(155deg, var(--green-700), rgba(6, 42, 34, 0.72));
  border: 1px solid var(--ct-line);
  border-radius: var(--radius-l);
}

.page-contact .ct-type h3 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3vw, 1.7rem);
  font-weight: 700;
  color: var(--cream);
}

.page-contact .ct-type p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(243, 237, 223, 0.82);
}

.page-contact .ct-type__list {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.5rem;
}

.page-contact .ct-type__list li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--cyan-soft);
}

.page-contact .ct-type__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  background: var(--orange);
  transform: rotate(45deg);
}

.page-contact .ct-type__meta {
  margin: 0;
  padding-top: 0.9rem;
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-type__meta dt {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.09em;
  color: var(--amber);
}

.page-contact .ct-type__meta dd {
  margin: 0.25rem 0 0.9rem;
  font-size: 0.88rem;
  line-height: 1.65;
  color: rgba(243, 237, 223, 0.86);
}

.page-contact .ct-type__meta div:last-child dd {
  margin-bottom: 0;
}

/* ---------- 对接流程 ---------- */
.page-contact .ct-flow {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: var(--section-space) 0;
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-flow__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-contact .ct-flow__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.26;
}

.page-contact .ct-flow__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 42, 34, 0.86), rgba(3, 12, 10, 0.92));
}

.page-contact .ct-flow__list {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--ct-gap);
}

.page-contact .ct-flow__step {
  position: relative;
  padding: var(--ct-pad);
  background: rgba(6, 42, 34, 0.9);
  border: 1px solid var(--ct-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.page-contact .ct-flow__step:hover,
.page-contact .ct-flow__step:focus-within {
  transform: translateY(-4px);
  border-color: var(--ct-line-strong);
}

.page-contact .ct-flow__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--amber);
}

.page-contact .ct-flow__step h3 {
  margin: 0.5rem 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--cream);
}

.page-contact .ct-flow__step p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: rgba(243, 237, 223, 0.76);
}

.page-contact .ct-flow__out {
  display: inline-block;
  margin-top: 0.9rem;
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--ct-line-strong);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

/* ---------- 联系渠道（奶油纸分区） ---------- */
.page-contact .ct-channels {
  padding: var(--section-space) 0;
  background: var(--cream);
  color: var(--ink);
}

.page-contact .ct-channels .ct-head h2 {
  color: var(--ink);
}

.page-contact .ct-channels .ct-head p {
  color: rgba(23, 17, 12, 0.72);
}

.page-contact .ct-channels .eyebrow {
  color: var(--green-700);
}

.page-contact .ct-channels__grid {
  display: grid;
  gap: var(--ct-gap);
}

.page-contact .ct-channel {
  padding: var(--ct-pad);
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid var(--line-ink);
  border-radius: var(--radius-m);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-contact .ct-channel__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  color: rgba(23, 17, 12, 0.55);
  text-transform: uppercase;
}

.page-contact .ct-channel__value {
  display: block;
  margin: 0.45rem 0 0.55rem;
  font-family: var(--font-mono);
  font-size: clamp(0.92rem, 2.2vw, 1.05rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .ct-channel:nth-child(2) .ct-channel__value {
  color: #B33A12;
}

.page-contact .ct-channel__note {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.7;
  color: rgba(23, 17, 12, 0.72);
}

.page-contact .ct-materials {
  margin-top: clamp(2rem, 5vw, 3.25rem);
  padding-top: clamp(1.5rem, 3.5vw, 2.25rem);
  border-top: 1px dashed var(--line-ink);
  display: grid;
  gap: var(--ct-gap);
}

.page-contact .ct-materials__head h2 {
  margin: 0.5rem 0 0.6rem;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3.4vw, 2.05rem);
  line-height: 1.15;
  color: var(--ink);
}

.page-contact .ct-materials__head p {
  margin: 0;
  max-width: 46ch;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(23, 17, 12, 0.72);
}

.page-contact .ct-materials .eyebrow {
  color: var(--green-700);
}

.page-contact .ct-checklist {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: ct-item;
  display: grid;
  gap: 0.7rem;
}

.page-contact .ct-checklist li {
  counter-increment: ct-item;
  position: relative;
  padding: 0.75rem 0.9rem 0.75rem 2.6rem;
  background: rgba(23, 17, 12, 0.045);
  border-left: 3px solid var(--green-700);
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--ink);
}

.page-contact .ct-checklist li::before {
  content: "0" counter(ct-item);
  position: absolute;
  left: 0.85rem;
  top: 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: #B33A12;
}

.page-contact .ct-materials__foot {
  margin: 0;
  padding: 0.85rem 0.9rem;
  border: 1px solid var(--line-ink);
  border-radius: var(--radius-s);
  font-size: 0.85rem;
  line-height: 1.7;
  color: rgba(23, 17, 12, 0.78);
}

/* ---------- 团队与延伸入口 ---------- */
.page-contact .ct-region {
  padding: var(--section-space) 0;
  background:
    radial-gradient(80% 80% at 88% 0%, rgba(255, 90, 43, 0.12), transparent 62%),
    var(--deep);
  color: var(--cream);
}

.page-contact .ct-region__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-contact .ct-region__copy h2 {
  margin: 0.6rem 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  line-height: 1.14;
  color: var(--cream);
}

.page-contact .ct-region__copy p {
  margin: 0 0 0.9rem;
  font-size: 0.93rem;
  line-height: 1.8;
  color: rgba(243, 237, 223, 0.82);
}

.page-contact .ct-region__hint {
  padding-left: 0.9rem;
  border-left: 2px solid var(--orange);
  color: var(--cyan-soft);
}

.page-contact .ct-region__panel {
  padding: var(--ct-pad);
  border: 1px solid var(--ct-line);
  border-radius: var(--radius-l);
  background: rgba(11, 59, 46, 0.55);
}

.page-contact .ct-region__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-stat {
  display: grid;
  gap: 0.2rem;
}

.page-contact .ct-stat__value {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.6vw, 2.1rem);
  font-weight: 800;
  line-height: 1;
  color: var(--cyan);
}

.page-contact .ct-stat__label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--moss);
}

.page-contact .ct-region__links {
  padding-top: 1.1rem;
}

.page-contact .ct-region__links h3 {
  margin: 0 0 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  font-weight: 500;
  color: var(--amber);
}

.page-contact .ct-region__links ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.15rem;
}

.page-contact .ct-region__links a {
  display: block;
  padding: 0.5rem 0;
  border-bottom: 1px dashed var(--ct-line);
  font-size: 0.86rem;
  line-height: 1.5;
  color: var(--cream);
  text-decoration: none;
  transition: color 0.18s ease, padding-left 0.18s ease;
}

.page-contact .ct-region__links a:hover,
.page-contact .ct-region__links a:focus-visible {
  color: var(--cyan);
  padding-left: 0.4rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .ct-channels__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ct-materials {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-contact .ct-materials__head {
    grid-row: span 2;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }

  .page-contact .ct-type {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

  .page-contact .ct-type__meta {
    padding-top: 0;
    padding-left: var(--ct-pad);
    border-top: 0;
    border-left: 1px solid var(--ct-line);
  }

  .page-contact .ct-region__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

@media (min-width: 860px) {
  .page-contact .ct-flow__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .ct-flow__list::before {
    content: "";
    position: absolute;
    top: 2.05rem;
    left: 4%;
    right: 4%;
    height: 2px;
    background: linear-gradient(90deg, var(--cyan), var(--amber) 52%, var(--orange));
    opacity: 0.55;
  }
}

@media (max-width: 480px) {
  .page-contact .ct-hero__facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-flow__step,
  .page-contact .ct-tabs .tab,
  .page-contact .ct-region__links a {
    transition: none;
  }

  .page-contact .ct-flow__step:hover,
  .page-contact .ct-flow__step:focus-within {
    transform: none;
  }
}