.page-contact {
  --coop-sheet: #FAF4E8;
  --coop-muted: #6B5A48;
  background: var(--c-paper);
  color: var(--c-ink);
}

/* ---------- 首屏 ---------- */
.page-contact .coop-hero {
  position: relative;
  overflow: hidden;
  padding-block: var(--sp-4) var(--sp-9);
  background: var(--c-hawk);
  color: var(--c-paper);
}

.page-contact .coop-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(115deg, rgba(201, 162, 39, 0.09) 0 2px, transparent 2px 24px);
  pointer-events: none;
}

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

.page-contact .coop-hero .breadcrumb {
  margin-bottom: var(--sp-6);
  font-size: var(--fs-14);
  color: rgba(243, 235, 221, 0.7);
}

.page-contact .coop-hero .breadcrumb-link {
  color: var(--c-gold-lite);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 162, 39, 0.5);
}

.page-contact .coop-hero .breadcrumb-link:hover {
  color: var(--c-paper);
  border-bottom-color: var(--c-paper);
}

.page-contact .coop-hero .breadcrumb-current {
  color: var(--c-paper);
}

.page-contact .coop-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-6);
  align-items: end;
}

.page-contact .coop-hero-title {
  margin: var(--sp-2) 0 0;
  font-family: var(--font-display);
  font-size: clamp(40px, 8vw, 92px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: 0.03em;
  color: var(--c-paper);
  max-width: 14ch;
}

.page-contact .coop-lede {
  margin: var(--sp-3) 0 0;
  max-width: 36ch;
  font-size: var(--fs-18);
  line-height: 1.75;
  color: rgba(243, 235, 221, 0.84);
}

.page-contact .coop-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-top: var(--sp-4);
}

.page-contact .coop-hero .btn--ghost {
  color: var(--c-paper);
  border-color: var(--c-gold);
}

.page-contact .coop-hero .btn--ghost:hover {
  color: var(--c-ink);
  background: var(--c-gold-lite);
}

.page-contact .coop-hero-figure {
  position: relative;
  margin: 0;
  border: var(--line) solid var(--c-gold);
  box-shadow: var(--shadow-hard);
  background: var(--c-feather);
  aspect-ratio: 7 / 4;
  overflow: hidden;
}

.page-contact .coop-hero-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .coop-hero-figure figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 10px 14px;
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: rgba(243, 235, 221, 0.88);
  background: rgba(20, 16, 12, 0.8);
}

/* ---------- 主体 ---------- */
.page-contact .coop-body {
  padding-block: var(--sp-9) var(--sp-15);
  background: var(--c-paper);
}

.page-contact .coop-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-6);
  align-items: start;
}

.page-contact .coop-block + .coop-block {
  margin-top: var(--sp-6);
}

.page-contact .coop-block-head {
  margin-bottom: var(--sp-4);
}

.page-contact .coop-block-head .eyebrow {
  display: block;
  letter-spacing: 0.18em;
}

.page-contact .coop-block-title {
  margin: var(--sp-2) 0 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 4.4vw, 44px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: 0.03em;
  max-width: 20ch;
  color: var(--c-ink);
}

.page-contact .coop-block-note {
  margin: var(--sp-2) 0 0;
  max-width: 44ch;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--coop-muted);
}

/* 合作方向 */
.page-contact .coop-direction {
  border: var(--line) solid var(--c-ink);
  border-radius: var(--radius);
  background: var(--coop-sheet);
  box-shadow: var(--shadow-soft);
  transition: box-shadow 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.page-contact .coop-direction + .coop-direction {
  margin-top: var(--sp-2);
}

.page-contact .coop-direction summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: var(--sp-3);
  cursor: pointer;
  list-style: none;
}

.page-contact .coop-direction summary::-webkit-details-marker {
  display: none;
}

.page-contact .coop-direction summary::after {
  content: "+";
  margin-left: auto;
  font-size: var(--fs-24);
  font-weight: 900;
  line-height: 1;
  color: var(--c-gold);
}

.page-contact .coop-direction[open] summary::after {
  content: "−";
}

.page-contact .coop-direction-num {
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--c-gold);
}

.page-contact .coop-direction-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-24);
  font-weight: 900;
  letter-spacing: 0.04em;
  line-height: 1.2;
}

.page-contact .coop-direction-fit {
  flex: 0 1 auto;
  font-size: var(--fs-14);
  color: var(--coop-muted);
  line-height: 1.6;
}

.page-contact .coop-direction-body {
  padding: 0 var(--sp-3) var(--sp-3);
  border-top: 1px dashed rgba(20, 16, 12, 0.24);
  padding-top: var(--sp-2);
}

.page-contact .coop-direction-body p {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--c-ink);
  max-width: 42ch;
}

.page-contact .coop-gain {
  margin-top: var(--sp-2) !important;
  padding-left: var(--sp-2);
  border-left: 3px solid var(--c-gold);
  font-size: var(--fs-14) !important;
  color: var(--coop-muted) !important;
}

/* 流程 */
.page-contact .coop-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-bottom: var(--line) solid rgba(20, 16, 12, 0.16);
}

.page-contact .coop-step {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-2);
  border-top: var(--line) solid rgba(20, 16, 12, 0.16);
  transition: background 160ms ease, border-color 160ms ease;
}

.page-contact .coop-step-num {
  font-family: var(--font-display);
  font-size: var(--fs-32);
  font-weight: 900;
  line-height: 1;
  color: var(--c-gold);
}

.page-contact .coop-step-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-18);
  font-weight: 900;
  letter-spacing: 0.04em;
  line-height: 1.35;
}

.page-contact .coop-step-body p {
  margin: var(--sp-1) 0 0;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--c-ink);
  max-width: 42ch;
}

.page-contact .coop-step-back {
  font-size: var(--fs-14) !important;
  color: var(--coop-muted) !important;
  transition: color 160ms ease;
}

/* 提示 */
.page-contact .coop-tips {
  padding: var(--sp-4);
  border: var(--line) solid var(--c-ink);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(201, 162, 39, 0.1), rgba(201, 162, 39, 0)) var(--coop-sheet);
  box-shadow: var(--shadow-soft);
}

.page-contact .coop-tips .coop-block-head {
  margin-bottom: var(--sp-3);
}

.page-contact .coop-tip + .coop-tip {
  margin-top: var(--sp-3);
  padding-top: var(--sp-3);
  border-top: 1px dashed rgba(20, 16, 12, 0.22);
}

.page-contact .coop-tip h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-18);
  font-weight: 900;
  letter-spacing: 0.03em;
  line-height: 1.4;
}

.page-contact .coop-tip p {
  margin: var(--sp-1) 0 0;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--coop-muted);
  max-width: 46ch;
}

.page-contact .coop-tip a {
  color: var(--c-ink);
  text-decoration: none;
  border-bottom: 2px solid var(--c-gold);
}

.page-contact .coop-tip a:hover {
  color: var(--c-canyon);
  border-bottom-color: var(--c-canyon);
}

.page-contact .coop-more {
  margin: var(--sp-4) 0 0;
  padding-top: var(--sp-2);
  border-top: var(--line) solid var(--c-ink);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
  font-size: var(--fs-14);
  color: var(--coop-muted);
}

.page-contact .coop-more a {
  color: var(--c-ink);
  text-decoration: none;
  border-bottom: 2px solid var(--c-gold);
}

.page-contact .coop-more a:hover,
.page-contact .coop-more a:focus-visible {
  color: var(--c-canyon);
  border-bottom-color: var(--c-canyon);
}

/* ---------- 联络卡 ---------- */
.page-contact .coop-aside {
  min-width: 0;
}

.page-contact .coop-card {
  border: var(--line) solid var(--c-gold);
  border-radius: var(--radius);
  background: var(--c-hawk);
  color: var(--c-paper);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
  transition: box-shadow 160ms ease, transform 160ms ease;
}

.page-contact .coop-card-media {
  margin: 0;
  height: 132px;
  border-bottom: var(--line) solid var(--c-gold);
  overflow: hidden;
}

.page-contact .coop-card-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .coop-card-body {
  padding: var(--sp-4);
}

.page-contact .coop-card-top {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.page-contact .coop-eye {
  color: var(--c-gold);
  flex: 0 0 auto;
}

.page-contact .coop-card-badge {
  display: inline-block;
  padding: 3px 10px;
  background: var(--c-gold);
  color: var(--c-ink);
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: 0.14em;
  border-radius: var(--radius);
}

.page-contact .coop-card-title {
  margin: var(--sp-2) 0 0;
  font-family: var(--font-display);
  font-size: var(--fs-24);
  font-weight: 900;
  letter-spacing: 0.04em;
  line-height: 1.3;
  color: var(--c-paper);
}

.page-contact .coop-card-intro {
  margin: var(--sp-2) 0 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: rgba(243, 235, 221, 0.76);
}

.page-contact .coop-channel {
  margin-top: var(--sp-2);
  padding-top: var(--sp-2);
  border-top: 1px solid rgba(201, 162, 39, 0.3);
}

.page-contact .coop-channel-label {
  display: block;
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--c-gold);
}

.page-contact .coop-channel-value {
  display: block;
  margin-top: 6px;
  font-size: var(--fs-16);
  line-height: 1.65;
  color: var(--c-paper);
  overflow-wrap: anywhere;
}

.page-contact .coop-copy {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 6px 12px;
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  border: 1.5px solid rgba(201, 162, 39, 0.55);
  border-radius: var(--radius);
  background: rgba(243, 235, 221, 0.06);
  color: var(--c-gold-lite);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: var(--fs-14);
  line-height: 1.5;
  text-align: left;
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.page-contact .coop-copy-value {
  overflow-wrap: anywhere;
}

.page-contact .coop-copy-hint {
  font-family: var(--font-body);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: rgba(243, 235, 221, 0.6);
}

.page-contact .coop-copy:hover {
  border-color: var(--c-gold-lite);
  background: rgba(201, 162, 39, 0.16);
}

.page-contact .coop-copy:active {
  background: rgba(201, 162, 39, 0.28);
}

.page-contact .coop-copy:focus-visible {
  outline: 3px solid var(--c-gold-lite);
  outline-offset: 2px;
}

.page-contact .coop-copy[data-copied] {
  border-color: var(--c-gold-lite);
  background: rgba(201, 162, 39, 0.26);
}

.page-contact .coop-copy-status {
  display: block;
  margin-top: 6px;
  font-size: var(--fs-12);
  line-height: 1.6;
  color: rgba(243, 235, 221, 0.6);
}

.page-contact .coop-card-note {
  margin: var(--sp-3) 0 0;
  padding-top: var(--sp-2);
  border-top: 1px solid rgba(201, 162, 39, 0.3);
  font-size: var(--fs-12);
  line-height: 1.7;
  color: rgba(243, 235, 221, 0.68);
}

/* ---------- 尾线 ---------- */
.page-contact .coop-tail {
  height: 6px;
  background: linear-gradient(90deg, var(--c-canyon) 0%, var(--c-gold) 55%, var(--c-canyon) 100%);
}

/* ---------- 悬停交互（仅指针设备） ---------- */
@media (hover: hover) {
  .page-contact .coop-direction:hover {
    border-color: var(--c-gold);
    box-shadow: var(--shadow-hard);
    transform: translateY(-2px);
  }

  .page-contact .coop-step:hover {
    background: var(--coop-sheet);
    border-top-color: var(--c-gold);
  }

  .page-contact .coop-step:hover .coop-step-back {
    color: var(--c-gold) !important;
  }

  .page-contact .coop-step:hover .coop-step-num {
    color: var(--c-canyon);
  }

  .page-contact .coop-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hard-lg);
  }
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px) {
  .page-contact .coop-tips {
    padding: var(--sp-6);
  }

  .page-contact .coop-directions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--sp-2);
    align-items: start;
  }

  .page-contact .coop-direction + .coop-direction {
    margin-top: 0;
  }
}

@media (min-width: 960px) {
  .page-contact .coop-hero {
    padding-block: var(--sp-4) var(--sp-15);
  }

  .page-contact .coop-hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: var(--sp-9);
  }

  .page-contact .coop-hero-figure {
    transform: rotate(-1.4deg);
  }

  .page-contact .coop-layout {
    grid-template-columns: minmax(0, 1.5fr) minmax(320px, 1fr);
    gap: var(--sp-6);
  }

  .page-contact .coop-block + .coop-block {
    margin-top: var(--sp-9);
  }

  .page-contact .coop-aside {
    position: sticky;
    top: 108px;
  }

  .page-contact .coop-card + .coop-card {
    margin-top: var(--sp-3);
  }

  .page-contact .coop-step:nth-child(2) {
    margin-left: 20px;
  }

  .page-contact .coop-step:nth-child(3) {
    margin-left: 40px;
  }

  .page-contact .coop-step:nth-child(4) {
    margin-left: 60px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .coop-direction,
  .page-contact .coop-step,
  .page-contact .coop-card,
  .page-contact .coop-copy {
    transition: none;
  }

  .page-contact .coop-direction:hover,
  .page-contact .coop-card:hover {
    transform: none;
  }

  .page-contact .coop-hero-figure {
    transform: none;
  }
}
<<<END>>>