.page-contact {
  background: var(--ink);
  color: var(--bone);
  font-family: var(--font-body);
  padding-bottom: clamp(48px, 8vw, 96px);
  overflow-x: clip;
}

.page-contact .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(20px, 3vw, 36px);
  padding-bottom: clamp(40px, 6vw, 76px);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  align-items: start;
}

.page-contact .contact-hero__copy h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 6.6vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.page-contact .contact-hero__lede {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 2.6vw, 18px);
  line-height: 1.75;
  color: var(--bone);
}

.page-contact .contact-hero__channels {
  display: grid;
  gap: 1px;
  margin-top: clamp(26px, 4vw, 40px);
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .channel {
  display: grid;
  gap: 6px;
  padding: clamp(16px, 3vw, 22px) clamp(16px, 3vw, 24px);
  background: var(--moss);
}

.page-contact .channel__label {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-contact .channel__value {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(16px, 3.4vw, 23px);
  line-height: 1.25;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .channel__note {
  font-size: 13px;
  line-height: 1.6;
  color: var(--stone);
}

.page-contact .contact-hero__visual {
  margin: 0;
  position: relative;
  border: 1px solid var(--line);
  background: var(--pitch);
}

.page-contact .contact-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
}

.page-contact .contact-hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(to right, rgba(43, 74, 64, 0.55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(43, 74, 64, 0.55) 1px, transparent 1px);
  background-size: 56px 56px;
  mix-blend-mode: screen;
  opacity: 0.5;
}

.page-contact .contact-hero__visual figcaption {
  border-top: 1px solid var(--line);
  padding: 12px clamp(14px, 2.4vw, 18px);
  font-size: 12px;
  line-height: 1.6;
  color: var(--stone);
}

/* ---------- 合作类型矩阵 ---------- */
.page-contact .contact-coop {
  padding-block: clamp(40px, 6vw, 72px);
  border-top: 1px solid var(--line);
}

.page-contact .coop-switch {
  margin-top: clamp(24px, 4vw, 36px);
}

.page-contact .coop-matrix {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .coop-cell {
  display: grid;
  gap: 6px;
  padding: clamp(16px, 3vw, 24px);
  background: var(--moss);
  cursor: pointer;
  transition: background 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.page-contact .coop-cell:hover {
  background: var(--pitch);
}

.page-contact .coop-cell__idx {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-contact .coop-cell__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 3vw, 24px);
  line-height: 1.15;
  color: var(--bone);
}

.page-contact .coop-cell__text {
  font-size: 13px;
  line-height: 1.6;
  color: var(--stone);
}

.page-contact #coop-content:checked ~ .coop-matrix .coop-cell[for="coop-content"],
.page-contact #coop-data:checked ~ .coop-matrix .coop-cell[for="coop-data"],
.page-contact #coop-topic:checked ~ .coop-matrix .coop-cell[for="coop-topic"],
.page-contact #coop-help:checked ~ .coop-matrix .coop-cell[for="coop-help"] {
  background: var(--pitch);
  box-shadow: inset 0 0 0 2px var(--cyan);
}

.page-contact #coop-content:checked ~ .coop-matrix .coop-cell[for="coop-content"] .coop-cell__name,
.page-contact #coop-data:checked ~ .coop-matrix .coop-cell[for="coop-data"] .coop-cell__name,
.page-contact #coop-topic:checked ~ .coop-matrix .coop-cell[for="coop-topic"] .coop-cell__name,
.page-contact #coop-help:checked ~ .coop-matrix .coop-cell[for="coop-help"] .coop-cell__name {
  color: var(--cyan);
}

.page-contact #coop-content:focus-visible ~ .coop-matrix .coop-cell[for="coop-content"],
.page-contact #coop-data:focus-visible ~ .coop-matrix .coop-cell[for="coop-data"],
.page-contact #coop-topic:focus-visible ~ .coop-matrix .coop-cell[for="coop-topic"],
.page-contact #coop-help:focus-visible ~ .coop-matrix .coop-cell[for="coop-help"] {
  outline: 2px solid var(--amber);
  outline-offset: -2px;
}

.page-contact .coop-panel {
  display: none;
  margin-top: 1px;
  padding: clamp(20px, 3.5vw, 32px);
  background: var(--pitch);
  border-left: 3px solid var(--cyan);
}

.page-contact .coop-panel h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 3.2vw, 26px);
  line-height: 1.2;
  color: var(--bone);
}

.page-contact .coop-panel p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--bone);
}

.page-contact .coop-panel__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .coop-panel__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--stone);
}

.page-contact .coop-panel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border: 1px solid var(--amber);
}

.page-contact #coop-content:checked ~ .coop-panels .coop-panel--content,
.page-contact #coop-data:checked ~ .coop-panels .coop-panel--data,
.page-contact #coop-topic:checked ~ .coop-panels .coop-panel--topic,
.page-contact #coop-help:checked ~ .coop-panels .coop-panel--help {
  display: block;
}

/* ---------- 青色受理节奏带 ---------- */
.page-contact .contact-band {
  background: var(--cyan);
  color: var(--ink);
  padding-block: clamp(32px, 5vw, 56px);
}

.page-contact .contact-band__title {
  margin: 0 0 clamp(20px, 3vw, 30px);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4.4vw, 40px);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.page-contact .contact-band__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: rgba(5, 19, 15, 0.25);
  border: 1px solid rgba(5, 19, 15, 0.25);
}

.page-contact .band-stat {
  background: var(--cyan);
  padding: clamp(16px, 3vw, 24px);
  display: grid;
  gap: 4px;
}

.page-contact .band-stat__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 6vw, 52px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-contact .band-stat__unit {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pitch);
}

.page-contact .band-stat p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--moss);
}

/* ---------- 反馈清单 ---------- */
.page-contact .contact-check {
  padding-block: clamp(40px, 6vw, 72px);
}

.page-contact .contact-check__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-contact .contact-check__intro h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4.6vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.page-contact .contact-check__intro p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--bone);
}

.page-contact .contact-check__hint {
  margin-top: 16px;
  padding-left: 14px;
  border-left: 2px solid var(--amber);
  font-size: 14px !important;
  color: var(--amber) !important;
}

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

.page-contact .checklist > li {
  background: var(--moss);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 0;
}

.page-contact .check__input {
  margin: 20px 0 0 clamp(14px, 2.6vw, 20px);
  width: 16px;
  height: 16px;
  accent-color: var(--cyan);
  cursor: pointer;
}

.page-contact .check__label {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 16px clamp(14px, 2.6vw, 20px);
  cursor: pointer;
  font-size: 14px;
  line-height: 1.7;
  color: var(--bone);
  transition: color 0.2s var(--ease);
}

.page-contact .check__idx {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-contact .check__input:checked + .check__label {
  color: var(--cyan);
}

/* ---------- 流程 ---------- */
.page-contact .contact-flow {
  padding-block: clamp(40px, 6vw, 72px);
  border-top: 1px solid var(--line);
}

.page-contact .contact-flow__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
  margin-top: clamp(24px, 4vw, 36px);
}

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

.page-contact .flow__node {
  position: relative;
  padding-left: clamp(32px, 5vw, 46px);
  padding-bottom: clamp(24px, 4vw, 34px);
}

.page-contact .flow__node::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 20px;
  bottom: 0;
  width: 1px;
  background: var(--line);
}

.page-contact .flow__node:last-child {
  padding-bottom: 0;
}

.page-contact .flow__node:last-child::before {
  display: none;
}

.page-contact .flow__node::after {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 15px;
  height: 15px;
  border: 1px solid var(--cyan);
  background: var(--ink);
}

.page-contact .flow__num {
  display: block;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-contact .flow__node h3 {
  margin: 6px 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 3vw, 24px);
  line-height: 1.2;
  color: var(--bone);
}

.page-contact .flow__node p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--stone);
}

.page-contact .contact-flow__visual {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--pitch);
}

.page-contact .contact-flow__visual img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.8);
}

.page-contact .contact-flow__visual figcaption {
  border-top: 1px solid var(--line);
  padding: 12px clamp(14px, 2.4vw, 18px);
  font-size: 12px;
  line-height: 1.6;
  color: var(--stone);
}

/* ---------- 地址细线表 ---------- */
.page-contact .contact-address {
  padding-block: clamp(40px, 6vw, 72px);
  border-top: 1px solid var(--line);
}

.page-contact .addr-table {
  margin: clamp(20px, 3vw, 30px) 0 0;
  border-top: 1px solid var(--line);
}

.page-contact .addr-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .addr-row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-contact .addr-row dd {
  margin: 0;
  display: grid;
  gap: 6px;
}

.page-contact .addr-strong {
  font-size: clamp(15px, 2.6vw, 18px);
  line-height: 1.6;
  color: var(--bone);
  overflow-wrap: anywhere;
}

.page-contact .addr-note {
  font-size: 13px;
  line-height: 1.6;
  color: var(--stone);
}

/* ---------- 自助通道 ---------- */
.page-contact .contact-next {
  padding-block: clamp(40px, 6vw, 72px);
  border-top: 1px solid var(--line);
}

.page-contact .quick {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: clamp(22px, 3.4vw, 32px);
}

.page-contact .quick__link {
  display: grid;
  gap: 6px;
  padding: clamp(16px, 3vw, 22px);
  background: var(--moss);
  text-decoration: none;
  color: inherit;
  transition: background 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.page-contact .quick__link:hover,
.page-contact .quick__link:focus-visible {
  background: var(--pitch);
  box-shadow: inset 0 0 0 1px var(--cyan);
  outline: none;
}

.page-contact .quick__label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2.8vw, 21px);
  line-height: 1.2;
  color: var(--cyan);
}

.page-contact .quick__desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--stone);
}

.page-contact .faq-list {
  margin-top: clamp(24px, 4vw, 36px);
  border-top: 1px solid var(--line);
}

.page-contact .faq {
  border-bottom: 1px solid var(--line);
}

.page-contact .faq summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  font-size: clamp(15px, 2.6vw, 17px);
  font-weight: 600;
  line-height: 1.55;
  color: var(--bone);
}

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

.page-contact .faq summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
}

.page-contact .faq[open] summary::after {
  content: "−";
  color: var(--amber);
}

.page-contact .faq summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .faq p {
  margin: 0 0 18px;
  max-width: 78ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--stone);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-contact .contact-hero__channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 800px) {
  .page-contact .contact-band__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .checklist {
    align-content: start;
  }

  .page-contact .addr-row {
    grid-template-columns: 160px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
    padding: 18px 0;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
  }

  .page-contact .contact-check__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }

  .page-contact .contact-flow__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }

  .page-contact .quick {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .coop-cell,
  .page-contact .check__label,
  .page-contact .quick__link {
    transition: none;
  }
}
<<<END>>>