.page-contact {
  background: var(--pitch-deep);
  color: var(--signal-white);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-contact *,
.page-contact *::before,
.page-contact *::after {
  box-sizing: border-box;
}

.page-contact img {
  max-width: 100%;
  height: auto;
}

/* ---------- 面包屑条 ---------- */
.page-contact .contact-topbar {
  background: var(--pitch-deep);
  border-bottom: 1px solid var(--line-faint);
  padding: 13px 0;
}

.page-contact .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-contact .breadcrumb-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(244, 247, 242, 0.55);
}

.page-contact .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  color: var(--pitch-line);
}

.page-contact .breadcrumb-link {
  color: rgba(244, 247, 242, 0.72);
  text-decoration: none;
}

.page-contact .breadcrumb-link:hover {
  color: var(--score-orange);
}

.page-contact .breadcrumb-current {
  color: var(--warm-orange);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(34px, 5vw, 66px) 0 clamp(34px, 4.5vw, 60px);
  background:
    radial-gradient(980px 420px at 84% -12%, rgba(31, 92, 67, 0.62), rgba(6, 26, 19, 0) 70%),
    var(--pitch-deep);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-contact .contact-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.05rem, 5.6vw, 3.8rem);
  line-height: 1.07;
  letter-spacing: -0.03em;
  margin: 12px 0 0;
  color: var(--signal-white);
}

.page-contact .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--score-orange);
}

.page-contact .lede {
  margin: 18px 0 0;
  max-width: 48ch;
  font-size: clamp(0.98rem, 1.4vw, 1.08rem);
  line-height: 1.78;
  color: rgba(244, 247, 242, 0.78);
}

.page-contact .channel-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .channel-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-faint);
}

.page-contact .channel-key {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--mint);
}

.page-contact .channel-value {
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.5;
  color: var(--signal-white);
  overflow-wrap: anywhere;
}

.page-contact .channel-note {
  font-size: 13px;
  line-height: 1.6;
  color: rgba(244, 247, 242, 0.58);
}

.page-contact .contact-hero-side {
  display: grid;
  gap: 22px;
  align-content: start;
}

.page-contact .contact-hero-figure {
  margin: 0;
  border: 1px solid var(--line-soft);
  background: var(--pitch-stand);
  box-shadow: var(--shadow-card);
}

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

.page-contact .media-caption {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  line-height: 1.6;
  color: rgba(244, 247, 242, 0.6);
  border-top: 1px solid var(--line-faint);
}

.page-contact .flow-rail {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 2px 0 2px 24px;
}

.page-contact .flow-rail::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--score-orange), rgba(255, 122, 26, 0.12));
}

.page-contact .flow-rail-item {
  position: relative;
  padding-bottom: 13px;
}

.page-contact .flow-rail-item:last-child {
  padding-bottom: 0;
}

.page-contact .flow-rail-item::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 5px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--pitch-deep);
  border: 1px solid var(--score-orange);
  box-shadow: 0 0 0 3px rgba(255, 122, 26, 0.12);
}

.page-contact .flow-rail-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  text-decoration: none;
  color: var(--signal-white);
}

.page-contact .flow-rail-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--score-orange);
}

.page-contact .flow-rail-title {
  font-size: 15px;
  line-height: 1.4;
}

.page-contact .flow-rail-link:hover .flow-rail-title {
  color: var(--warm-orange);
}

.page-contact .hero-entries {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid var(--line-faint);
}

.page-contact .hero-entries-label {
  margin-right: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: rgba(244, 247, 242, 0.5);
}

.page-contact .hero-entry {
  display: inline-block;
  padding: 9px 15px;
  font-family: var(--font-mono);
  font-size: 13px;
  text-decoration: none;
  color: var(--signal-white);
  border: 1px solid var(--line-strong);
  transition: border-color 0.18s ease, color 0.18s ease;
}

.page-contact .hero-entry:hover {
  border-color: var(--score-orange);
  color: var(--warm-orange);
}

.page-contact .hero-entry--primary {
  background: var(--score-orange);
  border-color: var(--score-orange);
  color: var(--deep-ink);
  font-weight: 700;
}

.page-contact .hero-entry--primary:hover {
  background: var(--warm-orange);
  border-color: var(--warm-orange);
  color: var(--deep-ink);
}

/* ---------- 通用章节 ---------- */
.page-contact .contact-section {
  padding: clamp(42px, 6vw, 82px) 0;
}

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

.page-contact .contact-section--stand {
  background: var(--pitch-stand);
  color: var(--signal-white);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-heading {
  display: grid;
  gap: 10px;
  max-width: 66ch;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-contact .contact-heading h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3vw, 2.25rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
}

.page-contact .contact-heading p:not(.eyebrow) {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(244, 247, 242, 0.74);
}

.page-contact .contact-section--paper .contact-heading p:not(.eyebrow) {
  color: rgba(16, 21, 18, 0.72);
}

/* ---------- 筛选与三类合作 ---------- */
.page-contact .contact-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
}

.page-contact .contact-filters .filter-btn {
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.2;
  cursor: pointer;
  background: transparent;
  color: var(--deep-ink);
  border: 1px solid rgba(16, 21, 18, 0.28);
  border-radius: 0;
  transition: border-color 0.16s ease, background-color 0.16s ease, color 0.16s ease;
}

.page-contact .contact-filters .filter-btn:hover {
  border-color: var(--score-orange);
  color: #8a3b00;
}

.page-contact .contact-filters .filter-btn[aria-pressed="true"] {
  background: var(--deep-ink);
  border-color: var(--deep-ink);
  color: var(--paper);
}

.page-contact .contact-filters .filter-count {
  margin-left: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(16, 21, 18, 0.55);
}

.page-contact .coop-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .coop-item {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 22px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(16, 21, 18, 0.16);
  transition: border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.page-contact .coop-item:hover {
  border-color: var(--score-orange);
  transform: translateY(-2px);
  box-shadow: 0 14px 30px -24px rgba(16, 21, 18, 0.7);
}

.page-contact .coop-index {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--score-orange);
}

.page-contact .coop-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.16rem;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--deep-ink);
}

.page-contact .coop-body {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(16, 21, 18, 0.78);
}

.page-contact .coop-meta {
  list-style: none;
  margin: 0;
  padding: 11px 0 0;
  border-top: 1px dashed rgba(16, 21, 18, 0.2);
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  color: rgba(16, 21, 18, 0.6);
}

/* ---------- 反馈路径 ---------- */
.page-contact .feedback-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-contact .flow-node {
  position: relative;
  padding: 16px 15px;
  border: 1px solid var(--line-soft);
  background: rgba(6, 26, 19, 0.55);
}

.page-contact .flow-node-step {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--score-orange);
}

.page-contact .flow-node-title {
  margin: 6px 0 0;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--signal-white);
}

.page-contact .flow-node-text {
  margin: 6px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(244, 247, 242, 0.7);
}

.page-contact .feedback-tabs {
  display: grid;
  gap: 8px;
  margin-top: 24px;
}

.page-contact .feedback-tab {
  border: 1px solid var(--line-faint);
  background: rgba(13, 43, 32, 0.42);
}

.page-contact .feedback-tab summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--signal-white);
}

.page-contact .feedback-tab summary::-webkit-details-marker {
  display: none;
}

.page-contact .feedback-tab summary::after {
  content: "+";
  font-size: 16px;
  color: var(--score-orange);
}

.page-contact .feedback-tab[open] summary::after {
  content: "–";
}

.page-contact .feedback-tab[open] summary {
  border-bottom: 1px solid var(--line-faint);
}

.page-contact .feedback-tab p {
  margin: 0;
  padding: 13px 16px 15px;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(244, 247, 242, 0.72);
}

/* ---------- 五步流程 ---------- */
.page-contact .steps-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-contact .steps-figure {
  margin: 0;
  border: 1px solid var(--line-soft);
  background: var(--pitch-stand);
  box-shadow: var(--shadow-card);
}

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

.page-contact .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .step-item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--line-faint);
  scroll-margin-top: 110px;
}

.page-contact .step-item:first-child {
  border-top: none;
  padding-top: 0;
}

.page-contact .step-num {
  font-family: var(--font-mono);
  font-size: 21px;
  line-height: 1.1;
  color: var(--score-orange);
}

.page-contact .step-body h3 {
  margin: 0 0 6px;
  font-size: 17px;
  line-height: 1.4;
  color: var(--signal-white);
}

.page-contact .step-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(244, 247, 242, 0.72);
}

.page-contact .step-meta {
  display: inline-block;
  margin-top: 9px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  line-height: 1.6;
  color: var(--mint);
}

/* ---------- 来访提示 ---------- */
.page-contact .visit-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-contact .visit-card {
  padding: 22px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(16, 21, 18, 0.18);
}

.page-contact .visit-address {
  margin: 0 0 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(16, 21, 18, 0.18);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  color: var(--deep-ink);
  overflow-wrap: anywhere;
}

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

.page-contact .visit-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(16, 21, 18, 0.78);
}

.page-contact .visit-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 1px;
  background: var(--score-orange);
}

.page-contact .visit-actions {
  margin-top: 18px;
}

/* ---------- 常见问题 ---------- */
.page-contact .contact-section--faq {
  border-top: 1px solid rgba(16, 21, 18, 0.12);
}

.page-contact .faq-list {
  border-top: 1px solid rgba(16, 21, 18, 0.2);
}

.page-contact .faq-item {
  border-bottom: 1px solid rgba(16, 21, 18, 0.14);
}

.page-contact .faq-item summary {
  position: relative;
  padding: 17px 42px 17px 0;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--deep-ink);
}

.page-contact .faq-item summary::-webkit-details-marker {
  display: none;
}

.page-contact .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 6px;
  top: 15px;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--score-orange);
}

.page-contact .faq-item[open] summary::after {
  content: "–";
}

.page-contact .faq-item p {
  margin: 0 0 18px;
  padding-right: 26px;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(16, 21, 18, 0.76);
}

/* ---------- 按钮 ---------- */
.page-contact .btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.2;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background-color 0.16s ease, border-color 0.16s ease, color 0.16s ease;
}

.page-contact .btn--primary {
  background: var(--score-orange);
  border-color: var(--score-orange);
  color: var(--deep-ink);
  font-weight: 700;
}

.page-contact .btn--primary:hover {
  background: var(--warm-orange);
  border-color: var(--warm-orange);
}

.page-contact .btn--ghost {
  border-color: var(--line-strong);
  color: var(--signal-white);
}

.page-contact .btn--ghost:hover {
  border-color: var(--score-orange);
  color: var(--warm-orange);
}

.page-contact .contact-section--paper .btn--ghost {
  border-color: rgba(16, 21, 18, 0.32);
  color: var(--deep-ink);
}

.page-contact .contact-section--paper .btn--ghost:hover {
  border-color: var(--score-orange);
  color: #8a3b00;
}

/* ---------- 结尾 ---------- */
.page-contact .contact-cta {
  padding: clamp(38px, 5vw, 62px) 0;
  background:
    radial-gradient(720px 320px at 10% 110%, rgba(31, 92, 67, 0.5), rgba(13, 43, 32, 0) 70%),
    var(--pitch-stand);
  border-top: 1px solid var(--line-soft);
}

.page-contact .cta-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-contact .cta-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.7vw, 2rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--signal-white);
}

.page-contact .cta-text {
  margin: 12px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(244, 247, 242, 0.72);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .channel-row {
    grid-template-columns: 104px minmax(0, 1fr);
    align-items: baseline;
    column-gap: 16px;
  }

  .page-contact .channel-note {
    grid-column: 2 / -1;
  }

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

@media (min-width: 860px) {
  .page-contact .coop-list {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-contact .coop-item--community {
    grid-column: span 12;
  }

  .page-contact .coop-item--data {
    grid-column: span 7;
  }

  .page-contact .coop-item--media {
    grid-column: span 5;
  }

  .page-contact .feedback-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
  }

  .page-contact .flow-node + .flow-node::before {
    content: "";
    position: absolute;
    left: -15px;
    top: 50%;
    width: 14px;
    height: 1px;
    background: var(--score-orange);
  }

  .page-contact .visit-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .page-contact .cta-grid {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
  }

  .page-contact .cta-actions {
    justify-content: flex-end;
    max-width: 340px;
  }
}

@media (min-width: 920px) {
  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: 44px;
    align-items: start;
  }

  .page-contact .steps-layout {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: 42px;
    align-items: start;
  }

  .page-contact .steps-figure {
    position: sticky;
    top: 100px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .coop-item,
  .page-contact .btn,
  .page-contact .hero-entry {
    transition: none;
  }

  .page-contact .coop-item:hover {
    transform: none;
  }
}
<<<END>>>