.page-contact {
  --contact-gap: clamp(16px, 2.4vw, 28px);
  --contact-pad: clamp(20px, 3.2vw, 44px);
  padding-block: clamp(20px, 3vw, 40px) clamp(56px, 7vw, 112px);
}

.page-contact .section {
  margin-top: clamp(44px, 6vw, 88px);
}

.page-contact .section-head {
  max-width: 62ch;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-contact .section-head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.4vw, 2.3rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 6px 0 10px;
}

.page-contact .section-sub {
  font-size: clamp(0.95rem, 1.2vw, 1.05rem);
  line-height: 1.75;
  margin: 0;
}

.page-contact .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--moss);
  margin: 0;
}

.page-contact .eyebrow-dark {
  color: var(--neon);
}

/* 面包屑 */
.page-contact .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--moss);
  margin-bottom: clamp(18px, 3vw, 34px);
}

.page-contact .breadcrumbs a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--gold);
}

.page-contact .breadcrumbs a:hover,
.page-contact .breadcrumbs a:focus-visible {
  border-bottom-color: var(--orange);
}

/* 首屏 */
.page-contact .contact-hero {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  align-items: end;
  padding-bottom: clamp(26px, 4vw, 52px);
  border-bottom: var(--border);
}

.page-contact h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 6vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin: 12px 0 16px;
  max-width: 20ch;
}

.page-contact .lede {
  font-size: clamp(1rem, 1.3vw, 1.1rem);
  line-height: 1.85;
  max-width: 52ch;
  margin: 0 0 22px;
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 22px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-decoration: none;
  border: var(--border);
  border-radius: var(--radius);
  box-shadow: 4px 4px 0 var(--ink);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-contact .btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--ink);
}

.page-contact .btn:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}

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

.page-contact .btn-secondary {
  background: var(--green);
  color: var(--neon);
}

.page-contact .btn-ghost {
  background: transparent;
  color: var(--ink);
}

.page-contact .image-frame {
  margin: 0;
  border: var(--border);
  box-shadow: var(--shadow-hard);
  background: var(--green);
  overflow: hidden;
}

.page-contact .image-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .hero-figure {
  aspect-ratio: 14 / 9;
  clip-path: polygon(0 0, 100% 0, 100% 86%, 86% 100%, 0 100%);
}

.page-contact .hero-figure img {
  height: 100%;
}

/* 联系渠道 */
.page-contact .contact-board {
  display: grid;
  gap: var(--contact-gap);
}

.page-contact .channel-card {
  background: var(--green);
  color: var(--paper);
  border: var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-accent);
  padding: var(--contact-pad);
}

.page-contact .channel-label {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--neon);
  margin: 0 0 10px;
}

.page-contact .channel-label-phone {
  color: var(--gold);
  margin-top: clamp(22px, 3vw, 32px);
}

.page-contact .channel-mail {
  display: inline-block;
  max-width: 100%;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 3.2vw, 1.75rem);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--neon);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 3px solid var(--neon);
  padding-bottom: 6px;
}

.page-contact .channel-mail:hover,
.page-contact .channel-mail:focus-visible {
  color: var(--paper-white);
  border-bottom-color: var(--orange);
}

.page-contact .channel-phone {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 10px 20px;
  background: var(--orange);
  color: var(--ink);
  border: 2px solid var(--ink);
  font-family: var(--font-mono);
  font-size: 18px;
  letter-spacing: 0.04em;
  text-decoration: none;
  box-shadow: 4px 4px 0 var(--ink);
}

.page-contact .channel-phone:focus-visible {
  outline: 3px solid var(--neon);
  outline-offset: 3px;
}

.page-contact .channel-note {
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding-left: 14px;
  border-left: 4px solid var(--orange);
  font-size: 0.92rem;
  line-height: 1.8;
}

.page-contact .info-stack {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .info-panel {
  background: var(--paper-white);
  border: var(--border);
  box-shadow: var(--shadow-hard);
  padding: clamp(18px, 2.6vw, 28px);
}

.page-contact .info-row + .info-row {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px dashed var(--slate);
}

.page-contact .info-label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--moss);
  margin-bottom: 6px;
}

.page-contact .info-value {
  margin: 0;
  font-size: 1rem;
  line-height: 1.7;
}

.page-contact .info-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* 咨询准备 */
.page-contact .prep-grid {
  display: grid;
  gap: var(--contact-gap);
}

.page-contact .tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .tab {
  min-height: 46px;
  padding: 10px 18px;
  background: var(--paper-white);
  color: var(--ink);
  border: var(--border);
  border-radius: var(--pill);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-contact .tab[aria-selected="true"] {
  background: var(--green);
  color: var(--neon);
  box-shadow: 4px 4px 0 var(--orange);
}

.page-contact .tab:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}

.page-contact .tab-panel {
  margin-top: 16px;
  background: var(--paper-white);
  border: var(--border);
  box-shadow: var(--shadow-hard);
  padding: clamp(18px, 2.6vw, 32px);
}

.page-contact .tab-panel[hidden] {
  display: none;
}

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

.page-contact .prep-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
  padding: 12px 0;
  border-bottom: 1px dashed var(--slate);
  line-height: 1.75;
  font-size: 0.96rem;
}

.page-contact .prep-list li:first-child {
  padding-top: 0;
}

.page-contact .prep-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .prep-num {
  font-size: 13px;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: 0.06em;
  padding-top: 2px;
}

.page-contact .panel-foot {
  margin: 18px 0 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--moss);
}

.page-contact .panel-foot a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--neon);
  padding: 2px 0;
}

.page-contact .panel-foot a:hover,
.page-contact .panel-foot a:focus-visible {
  border-bottom-color: var(--orange);
  outline: none;
}

.page-contact .prep-aside {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .prep-figure {
  aspect-ratio: 5 / 4;
}

.page-contact .prep-figure img {
  height: 100%;
}

.page-contact .prep-tip {
  background: var(--moss);
  color: var(--paper-white);
  border: var(--border);
  padding: clamp(16px, 2.4vw, 24px);
}

.page-contact .prep-tip-title {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--neon);
  margin: 0 0 8px;
}

.page-contact .prep-tip p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
}

/* 合作方向 */
.page-contact .coop-grid {
  display: grid;
  gap: clamp(14px, 2vw, 22px);
}

.page-contact .coop-card {
  position: relative;
  overflow: hidden;
  background: var(--paper-white);
  border: var(--border);
  box-shadow: var(--shadow-hard);
  padding: clamp(22px, 2.8vw, 32px) clamp(18px, 2.4vw, 28px);
}

.page-contact .coop-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 9px;
  background: var(--neon);
  transform: skewY(-2.5deg);
  transform-origin: left top;
}

.page-contact .coop-card:nth-child(2)::before {
  background: var(--orange);
}

.page-contact .coop-card:nth-child(3)::before {
  background: var(--gold);
}

.page-contact .coop-kicker {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--moss);
  margin: 10px 0 10px;
}

.page-contact .coop-card h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.1rem, 1.8vw, 1.3rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin: 0 0 10px;
}

.page-contact .coop-card p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.8;
}

.page-contact .coop-stat {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin-top: 18px !important;
  padding-top: 14px;
  border-top: 2px solid var(--ink);
}

.page-contact .coop-stat .mono {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 3.4vw, 2.2rem);
  font-weight: 700;
  line-height: 1;
  color: var(--green);
}

.page-contact .coop-stat-label {
  font-size: 12px;
  line-height: 1.5;
  color: var(--moss);
}

/* 响应节奏 */
.page-contact .cadence {
  background: var(--green);
  color: var(--paper);
  border: var(--border);
  box-shadow: var(--shadow-hard);
  padding: clamp(24px, 4vw, 48px);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 4% 100%);
}

.page-contact .cadence h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 8px 0 clamp(20px, 3vw, 32px);
  color: var(--paper-white);
}

.page-contact .cadence-grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 28px);
}

.page-contact .cadence-item {
  padding-left: 16px;
  border-left: 3px solid var(--neon);
}

.page-contact .cadence-item:nth-child(2) {
  border-left-color: var(--gold);
}

.page-contact .cadence-item:nth-child(3) {
  border-left-color: var(--orange);
}

.page-contact .cadence-num {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--neon);
  margin: 0 0 8px;
}

.page-contact .cadence-item h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--paper-white);
}

.page-contact .cadence-item p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--paper);
}

/* 延伸入口 */
.page-contact .next-title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--moss);
  margin: 0 0 14px;
}

.page-contact .next-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .next-links a {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 10px 18px;
  background: var(--paper-white);
  color: var(--ink);
  border: var(--border);
  border-radius: var(--pill);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-contact .next-links a:hover {
  background: var(--green);
  color: var(--neon);
}

.page-contact .next-links a:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}

@media (min-width: 720px) {
  .page-contact .cadence-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-contact .coop-card:nth-child(3) {
    grid-column: span 2;
  }
}

@media (min-width: 940px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .hero-figure {
    aspect-ratio: 14 / 11;
  }

  .page-contact .contact-board {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .prep-grid {
    grid-template-columns: minmax(0, 6.4fr) minmax(0, 5.6fr);
    align-items: start;
  }

  .page-contact .coop-grid {
    grid-template-columns: 1.02fr 1.16fr 0.92fr;
    align-items: start;
  }

  .page-contact .coop-card:nth-child(3) {
    grid-column: auto;
    margin-top: 28px;
  }

  .page-contact .coop-card:nth-child(2) {
    margin-top: -12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .btn,
  .page-contact .tab,
  .page-contact .next-links a {
    transition: none;
  }

  .page-contact .btn:hover {
    transform: none;
    box-shadow: 4px 4px 0 var(--ink);
  }
}