.page-contact {
  --pc-panel: var(--radius-lg);
  --pc-gap: 18px;
  background:
    radial-gradient(1100px 520px at 82% -12%, rgba(26, 143, 120, 0.30), transparent 62%),
    radial-gradient(700px 420px at 4% 22%, rgba(255, 122, 61, 0.10), transparent 68%),
    var(--ink);
  color: var(--white);
  padding-bottom: 72px;
  overflow-x: clip;
}

.page-contact .container {
  width: var(--shell);
  margin-inline: auto;
}

/* 面包屑 */
.page-contact .breadcrumb {
  padding: 26px 0 4px;
  font-size: 12px;
}
.page-contact .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  color: var(--mist);
  letter-spacing: 0.04em;
}
.page-contact .breadcrumb-list a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.page-contact .breadcrumb-list a:hover {
  color: var(--mint);
  border-bottom-color: var(--line-mint);
}
.page-contact .breadcrumb-list li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--mint-dim);
}
.page-contact .breadcrumb-list [aria-current="page"] {
  color: var(--white);
}

/* 首屏 */
.page-contact .contact-hero {
  padding: 10px 0 8px;
}
.page-contact .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding-bottom: 52px;
}
.page-contact .eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--mint);
  margin: 0 0 14px;
}
.page-contact h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 7.4vw, 60px);
  line-height: 1.06;
  letter-spacing: -0.015em;
  margin: 0;
  color: var(--white);
}
.page-contact .hero-lead {
  margin: 16px 0 0;
  max-width: 48ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

/* 联系卡 */
.page-contact .contact-card {
  margin-top: 26px;
  padding: 20px;
  border-radius: var(--pc-panel);
  border: 1px solid var(--line);
  background: var(--glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-float);
}
.page-contact .cc-title {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--orange-soft);
}
.page-contact .cc-list {
  margin: 0;
}
.page-contact .cc-row {
  padding: 16px 0;
  border-top: 1px solid var(--line-soft);
}
.page-contact .cc-row:first-child {
  border-top: 0;
  padding-top: 10px;
}
.page-contact .cc-key {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mint);
  font-family: var(--font-mono);
  margin-bottom: 6px;
}
.page-contact .cc-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  color: var(--white);
  overflow-wrap: anywhere;
}
.page-contact .cc-note {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}
.page-contact .cc-note a,
.page-contact .addr-note a,
.page-contact .addr-legal a,
.page-contact .check-list a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid var(--line-mint);
}
.page-contact .cc-note a:hover,
.page-contact .addr-note a:hover,
.page-contact .addr-legal a:hover,
.page-contact .check-list a:hover {
  color: var(--white);
}

/* 首屏视觉 */
.page-contact .hero-visual {
  margin: 0;
  position: relative;
}
.page-contact .hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 6;
  object-fit: cover;
  border-radius: var(--pc-panel);
  border: 1px solid var(--line);
  filter: saturate(0.92) contrast(1.05);
}
.page-contact .hero-visual figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* 反馈两步 */
.page-contact .feedback {
  padding-bottom: 56px;
}
.page-contact .feedback-panel {
  background: var(--paper);
  color: var(--on-paper);
  border-radius: 26px;
  padding: 30px 20px;
  box-shadow: 0 24px 56px rgba(0, 0, 0, 0.42);
}
.page-contact .eyebrow--dark {
  color: var(--on-paper-soft);
  opacity: 0.85;
}
.page-contact .feedback h2,
.page-contact .coop h2,
.page-contact .pace h2,
.page-contact .addr h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 5vw, 36px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  margin: 0 0 4px;
}
.page-contact .step-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}
.page-contact .step {
  position: relative;
  padding: 18px 16px 16px;
  border-radius: var(--radius);
  background: rgba(16, 35, 29, 0.05);
  border: 1px solid rgba(16, 35, 29, 0.10);
}
.page-contact .step-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--orange);
  display: block;
  margin-bottom: 8px;
}
.page-contact .step h3 {
  margin: 0 0 8px;
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 700;
  color: var(--on-paper);
}
.page-contact .step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--on-paper-soft);
}
.page-contact .feedback-details {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid rgba(16, 35, 29, 0.16);
}
.page-contact .feedback-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--on-paper);
  transition: color 0.2s var(--ease);
}
.page-contact .feedback-details summary::-webkit-details-marker {
  display: none;
}
.page-contact .feedback-details summary::after {
  content: "+";
  font-size: 20px;
  line-height: 1;
  color: var(--orange);
}
.page-contact .feedback-details[open] summary::after {
  content: "\2013";
}
.page-contact .feedback-details summary:hover {
  color: var(--mint-dim);
}
.page-contact .check-list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.page-contact .check-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--on-paper-soft);
}
.page-contact .check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--mint-dim);
}

/* 合作 */
.page-contact .coop {
  padding: 52px 0 8px;
  border-top: 1px solid var(--line-soft);
}
.page-contact .coop-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}
.page-contact .coop-visual {
  margin: 0;
}
.page-contact .coop-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}
.page-contact .coop-visual figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  color: var(--mist);
}
.page-contact .coop h2 {
  color: var(--white);
}
.page-contact .coop-lead {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 52ch;
}
.page-contact .coop-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}
.page-contact .coop-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  color: var(--mint);
  border: 1px solid var(--line-mint);
  background: rgba(53, 242, 192, 0.07);
}
.page-contact .coop-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}
.page-contact .coop-list li {
  padding: 18px 0 18px 16px;
  border-left: 2px solid var(--mint-dim);
  border-bottom: 1px solid var(--line-soft);
}
.page-contact .coop-list li:last-child {
  border-bottom: 0;
}
.page-contact .coop-list h3 {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 17px;
  color: var(--white);
}
.page-contact .coop-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

/* 响应节奏 */
.page-contact .pace {
  padding: 52px 0 8px;
}
.page-contact .pace h2 {
  color: var(--white);
  margin-bottom: 20px;
}
.page-contact .pace-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-contact .pace-list li {
  padding: 16px 16px 16px 18px;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--orange);
  background: linear-gradient(100deg, rgba(255, 122, 61, 0.10), rgba(255, 122, 61, 0));
}
.page-contact .pace-k {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--orange-soft);
  margin-bottom: 6px;
}
.page-contact .pace-v {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.3;
  color: var(--white);
}
.page-contact .pace-d {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

/* 地址与收尾 */
.page-contact .addr {
  padding: 52px 0 0;
}
.page-contact .addr-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.page-contact .addr-card {
  padding: 26px 20px;
  border-radius: var(--pc-panel);
  border: 1px solid var(--line);
  background: var(--deep);
}
.page-contact .addr h2 {
  color: var(--white);
  font-size: clamp(20px, 4.4vw, 30px);
  line-height: 1.4;
}
.page-contact .addr-note {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}
.page-contact .addr-cta {
  padding: 24px 20px;
  border-radius: var(--pc-panel);
  border: 1px solid var(--line-soft);
  background: rgba(20, 48, 40, 0.42);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.page-contact .addr-cta > p:first-child {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--white);
}
.page-contact .addr-cta .btn {
  text-align: center;
  text-decoration: none;
}
.page-contact .addr-legal {
  margin: 4px 0 0;
  font-size: 12px;
  line-height: 1.8;
  color: var(--mist);
}

@media (min-width: 720px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
    gap: 32px;
    padding-bottom: 64px;
  }
  .page-contact .contact-card {
    padding: 24px;
  }
  .page-contact .feedback-panel {
    padding: 40px 36px;
  }
  .page-contact .step-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
  .page-contact .check-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 24px;
  }
  .page-contact .coop-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
    gap: 32px;
  }
  .page-contact .pace-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
  .page-contact .addr-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    gap: 24px;
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-contact {
    padding-bottom: 96px;
  }
  .page-contact .contact-hero {
    padding-top: 18px;
  }
  .page-contact .hero-grid {
    gap: 48px;
  }
  .page-contact .contact-card {
    margin-top: 32px;
    padding: 28px 28px 22px;
  }
  .page-contact .feedback {
    padding-bottom: 72px;
  }
  .page-contact .feedback-panel {
    padding: 48px 52px;
  }
  .page-contact .coop,
  .page-contact .pace {
    padding-top: 72px;
  }
  .page-contact .addr {
    padding-top: 72px;
  }
  .page-contact .coop-list li {
    padding-block: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .breadcrumb-list a,
  .page-contact .feedback-details summary {
    transition: none;
  }
}