.page-contact {
  --pc-gap: 1.1rem;
  --pc-line: rgba(39, 230, 245, 0.28);
  --pc-panel: linear-gradient(158deg, rgba(13, 39, 64, 0.92), rgba(6, 21, 37, 0.97));
  display: block;
}

/* ---------- 面包屑 ---------- */
.page-contact .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-contact .crumbs__item + .crumbs__item::before {
  content: "/";
  margin-right: 0.45rem;
  color: var(--rock);
}

.page-contact .crumbs a {
  color: var(--text-soft);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-contact .crumbs a:hover,
.page-contact .crumbs a:focus-visible {
  color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.4rem, 4.5vw, 2.6rem) 0 clamp(1.8rem, 5vw, 3rem);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -150px;
  right: -130px;
  width: min(560px, 88vw);
  height: 420px;
  background: linear-gradient(135deg, rgba(39, 230, 245, 0.2), rgba(39, 230, 245, 0) 66%);
  transform: rotate(-16deg);
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: min(280px, 54vw);
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
}

.page-contact .contact-hero .eyebrow {
  margin-top: 1.1rem;
}

.page-contact .contact-hero h1 {
  margin: 0.55rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 8.4vw, 4.1rem);
  line-height: 1.03;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-contact .contact-hero__accent {
  display: block;
  margin-top: 0.5rem;
  font-size: clamp(1rem, 4.2vw, 1.85rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-contact .contact-hero__lead {
  max-width: 64ch;
  margin: 1rem 0 0;
  font-size: clamp(0.96rem, 2.4vw, 1.06rem);
  line-height: 1.85;
  color: var(--text-soft);
}

.page-contact .contact-quick {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-contact .contact-quick__item {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  max-width: 100%;
  padding: 0.55rem 0.95rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: rgba(13, 39, 64, 0.72);
}

.page-contact .contact-quick__key {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
  flex: none;
}

.page-contact .contact-quick__item a,
.page-contact .contact-quick__item > span:last-child {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--sand);
  text-decoration: none;
  overflow-wrap: anywhere;
}

.page-contact .contact-quick__item a:hover,
.page-contact .contact-quick__item a:focus-visible {
  color: var(--cyan-glow);
}

/* ---------- 章节通用 ---------- */
.page-contact .contact-section {
  padding: clamp(1.9rem, 5vw, 3rem) 0 0;
}

.page-contact .section-head {
  max-width: 62ch;
}

.page-contact .section-head h2 {
  margin: 0.5rem 0 0.55rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 4.6vw, 2.1rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--white);
}

.page-contact .section-head p {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--text-soft);
}

/* ---------- 非对称双栏 ---------- */
.page-contact .contact-grid {
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .contact-card {
  position: relative;
  overflow: hidden;
  padding: clamp(1.2rem, 3.4vw, 2.1rem);
  border-radius: var(--r-xl);
  border: 1px solid var(--pc-line);
  background: linear-gradient(160deg, rgba(13, 39, 64, 0.96), rgba(6, 21, 37, 0.99));
  box-shadow: var(--shadow-float);
}

.page-contact .contact-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 60%;
  height: 2px;
  background: linear-gradient(90deg, rgba(39, 230, 245, 0), var(--cyan));
}

.page-contact .contact-card__head h2 {
  margin: 0.5rem 0 0.6rem;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 4.4vw, 1.9rem);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: var(--white);
}

.page-contact .contact-card__intro {
  margin: 0 0 1.3rem;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-contact .contact-line + .contact-line {
  margin-top: 1.1rem;
  padding-top: 1.1rem;
  border-top: 1px dashed var(--line);
}

.page-contact .contact-line__key {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .contact-line__val {
  display: inline-block;
  margin-top: 0.45rem;
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 3.4vw, 1.28rem);
  line-height: 1.5;
  color: var(--white);
  text-decoration: none;
  overflow-wrap: anywhere;
  border-bottom: 1px solid rgba(39, 230, 245, 0.45);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .contact-line__val:hover,
.page-contact .contact-line__val:focus-visible {
  color: var(--cyan-glow);
  border-color: var(--orange);
}

.page-contact .contact-line__note {
  margin: 0.55rem 0 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.4rem;
}

.page-contact .contact-card__foot {
  margin: 1.2rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line-soft);
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .contact-side {
  display: grid;
  gap: var(--pc-gap);
  align-content: start;
}

.page-contact .contact-figure {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: linear-gradient(150deg, var(--ink-800), var(--ink-900));
}

.page-contact .contact-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-contact .contact-prep {
  padding: clamp(1.1rem, 3vw, 1.6rem);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--pc-panel);
}

.page-contact .contact-prep h2 {
  margin: 0.45rem 0 0.9rem;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 3.6vw, 1.4rem);
  font-weight: 800;
  line-height: 1.3;
  color: var(--white);
}

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

.page-contact .checklist label {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.7rem 0.85rem;
  border-radius: var(--r-sm);
  border: 1px solid var(--line-soft);
  background: rgba(6, 21, 37, 0.55);
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-soft);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .checklist label:hover {
  border-color: var(--pc-line);
}

.page-contact .checklist input {
  flex: none;
  width: 1rem;
  height: 1rem;
  margin: 0.28rem 0 0;
  accent-color: #B8FF5A;
}

.page-contact .checklist input:checked + span {
  color: var(--lime);
}

/* ---------- 主题草稿 ---------- */
.page-contact .draft-grid {
  display: grid;
  gap: 0.6rem;
  margin-top: 1.2rem;
}

.page-contact .draft-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  padding: 0.85rem 1.1rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: rgba(13, 39, 64, 0.6);
  color: var(--sand);
  font-size: 0.92rem;
  text-decoration: none;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .draft-link:hover,
.page-contact .draft-link:focus-visible {
  transform: translateY(-2px);
  border-color: var(--cyan);
  background: rgba(20, 58, 92, 0.75);
}

.page-contact .draft-link__arrow {
  font-family: var(--font-mono);
  color: var(--orange);
  flex: none;
}

/* ---------- 自助路径 ---------- */
.page-contact .quickpath {
  display: grid;
  gap: 0.85rem;
  margin-top: 1.2rem;
}

.page-contact .quickpath-card {
  padding: clamp(1.1rem, 3vw, 1.7rem);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: linear-gradient(150deg, rgba(20, 58, 92, 0.55), rgba(6, 21, 37, 0.88));
}

.page-contact .quickpath-card h3 {
  margin: 0.75rem 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1.35;
  color: var(--sand);
}

.page-contact .quickpath-card p {
  margin: 0 0 0.9rem;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-contact .link-more {
  display: inline-block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(39, 230, 245, 0.4);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .link-more:hover,
.page-contact .link-more:focus-visible {
  color: var(--orange);
  border-color: var(--orange);
}

/* ---------- 合作 ---------- */
.page-contact .coop-layout {
  display: grid;
  gap: 1.2rem;
  align-items: center;
}

.page-contact .coop-copy h2 {
  margin: 0.5rem 0 0.7rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 4.6vw, 2.1rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--white);
}

.page-contact .coop-copy > p {
  margin: 0 0 1rem;
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-contact .coop-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-contact .coop-points li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .coop-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6rem;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 2px;
  background: var(--clay);
}

.page-contact .coop-figure {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: linear-gradient(160deg, var(--ink-700), var(--ink-900));
}

.page-contact .coop-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-contact .coop-grid {
  display: grid;
  gap: 0.8rem;
  margin-top: 1.3rem;
}

.page-contact .coop-mod {
  position: relative;
  padding: clamp(1rem, 3vw, 1.5rem);
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background: linear-gradient(160deg, rgba(13, 39, 64, 0.85), rgba(6, 21, 37, 0.92));
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .coop-mod:hover {
  transform: translateY(-3px);
  border-color: var(--pc-line);
}

.page-contact .coop-mod__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--cyan-glow);
}

.page-contact .coop-mod h3 {
  margin: 0.5rem 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.35;
  color: var(--sand);
}

.page-contact .coop-mod p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--text-dim);
}

/* ---------- 斜切信息带 ---------- */
.page-contact .contact-band {
  position: relative;
  margin-top: clamp(2.4rem, 7vw, 4rem);
  padding: clamp(3.4rem, 9vw, 5rem) 0 clamp(2rem, 5vw, 3rem);
  background: linear-gradient(118deg, var(--ink-700) 0%, var(--ink-800) 44%, var(--ink-900) 100%);
  clip-path: polygon(0 46px, 100% 0, 100% 100%, 0 100%);
  border-top: 1px solid var(--line-soft);
}

.page-contact .band-grid {
  display: grid;
  gap: 1.6rem;
}

.page-contact .band-address h2,
.page-contact .band-legal h2 {
  margin: 0.45rem 0 0.7rem;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 4vw, 1.6rem);
  font-weight: 800;
  line-height: 1.25;
  color: var(--white);
}

.page-contact .band-address__text {
  margin: 0 0 0.6rem;
  font-size: clamp(0.98rem, 2.6vw, 1.12rem);
  line-height: 1.7;
  color: var(--sand);
}

.page-contact .band-address__note {
  margin: 0 0 1.1rem;
  max-width: 46ch;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-contact .band-icp {
  margin: 0 0 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  letter-spacing: 0.04em;
  color: var(--cyan-glow);
  overflow-wrap: anywhere;
}

.page-contact .band-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-contact .band-links a {
  display: inline-block;
  padding: 0.42rem 0.85rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: rgba(6, 21, 37, 0.6);
  font-size: 0.84rem;
  color: var(--text-soft);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .band-links a:hover,
.page-contact .band-links a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .draft-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 760px) {
  .page-contact .quickpath {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .band-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 2.4rem;
    align-items: start;
  }

  .page-contact .band-legal {
    padding-left: 1.6rem;
    border-left: 1px solid var(--line);
  }
}

@media (min-width: 900px) {
  .page-contact .contact-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
    gap: 1.4rem;
  }

  .page-contact .coop-layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 2rem;
  }

  .page-contact .coop-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-contact .coop-mod:nth-child(1) {
    grid-column: span 4;
  }

  .page-contact .coop-mod:nth-child(2) {
    grid-column: span 2;
  }

  .page-contact .coop-mod:nth-child(3),
  .page-contact .coop-mod:nth-child(4) {
    grid-column: span 3;
  }
}

@media (min-width: 1080px) {
  .page-contact .contact-card {
    padding: 2.4rem;
  }

  .page-contact .contact-hero__lead {
    font-size: 1.1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .draft-link,
  .page-contact .coop-mod,
  .page-contact .contact-line__val,
  .page-contact .links,
  .page-contact .link-more {
    transition: none;
  }

  .page-contact .draft-link:hover,
  .page-contact .coop-mod:hover {
    transform: none;
  }
}