.page-contact {
  --contact-gap: clamp(16px, 3vw, 28px);
  background: var(--bg);
  color: var(--fg);
}

.page-contact .breadcrumb {
  padding-block: clamp(14px, 2.5vw, 24px) 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-contact .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .breadcrumb a:hover {
  color: var(--lime);
  border-color: var(--lime);
}

.page-contact .breadcrumb [aria-current="page"] {
  color: var(--bone);
}

.page-contact .eyebrow {
  margin: 0 0 14px;
}

/* ---------- 首屏：分屏叙事 + 刻度盘 ---------- */
.page-contact .contact-hero {
  padding-block: clamp(20px, 4vw, 44px) clamp(36px, 7vw, 88px);
}

.page-contact .contact-hero-grid {
  display: grid;
  gap: clamp(32px, 5vw, 56px);
  align-items: center;
}

.page-contact .contact-hero h1 {
  margin: 0 0 clamp(16px, 2vw, 26px);
  font-size: var(--step-5);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.02em;
  max-width: 12em;
}

.page-contact .contact-hero .lede {
  max-width: 34em;
  margin: 0 0 clamp(22px, 3vw, 34px);
  font-size: var(--step-1);
  line-height: 1.7;
  color: var(--muted);
}

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

.page-contact .contact-hero-visual {
  position: relative;
  display: grid;
  place-items: center;
  width: min(100%, 340px);
  aspect-ratio: 1;
  margin-inline: auto;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 46%, rgba(47, 107, 87, 0.34), rgba(7, 26, 22, 0) 70%);
}

.page-contact .contact-hero-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: repeating-conic-gradient(from -90deg, var(--silver) 0 0.7deg, transparent 0.7deg 15deg);
  opacity: 0.42;
  -webkit-mask: radial-gradient(circle, transparent 0 60%, #000 61% 100%);
  mask: radial-gradient(circle, transparent 0 60%, #000 61% 100%);
}

.page-contact .contact-hero-visual::after {
  content: "";
  position: absolute;
  inset: 15%;
  border-radius: 50%;
  border: 1px dashed var(--line-strong);
}

.page-contact .visual-ring {
  position: absolute;
  inset: 5%;
  border-radius: 50%;
  background: conic-gradient(from -90deg, transparent 0 66%, var(--lime) 66% 82%, transparent 82% 100%);
  -webkit-mask: radial-gradient(circle, transparent 0 68%, #000 68.5% 100%);
  mask: radial-gradient(circle, transparent 0 68%, #000 68.5% 100%);
}

.page-contact .visual-face {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 6px;
  justify-items: center;
  padding: 20px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--glass);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.page-contact .visual-clock {
  font-family: var(--font-mono);
  font-size: var(--step-2);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--lime);
}

.page-contact .visual-caption {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.14em;
  color: var(--muted);
}

/* ---------- 主区：联系卡 + 表单 ---------- */
.page-contact .contact-main-grid {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  align-items: start;
}

.page-contact .reach-card {
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-contact .reach-photo {
  margin: 0;
  border: 0;
  border-radius: 0;
  aspect-ratio: 14 / 9;
  overflow: hidden;
}

.page-contact .reach-photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: 100%;
}

.page-contact .reach-body {
  padding: clamp(20px, 3vw, 32px);
}

.page-contact .reach-body h2 {
  margin: 0 0 10px;
  font-size: var(--step-3);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.1;
}

.page-contact .reach-note {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: var(--step-0);
  line-height: 1.7;
}

.page-contact .reach-list {
  margin: 0;
  padding: 0;
}

.page-contact .reach-item {
  padding-block: 18px;
  border-top: 1px solid var(--line-soft);
}

.page-contact .reach-item:first-child {
  border-top: 0;
  padding-top: 16px;
}

.page-contact .reach-key {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-contact .reach-val {
  margin: 0;
  font-size: var(--step-1);
  font-weight: 600;
  line-height: 1.5;
  color: var(--bone);
  overflow-wrap: anywhere;
}

.page-contact .reach-hint {
  margin: 8px 0 0;
  font-size: var(--step--1);
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .reach-foot {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.04em;
  color: var(--silver);
}

.page-contact .quick-card {
  margin-top: var(--contact-gap);
  padding: clamp(18px, 2.5vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(14, 43, 36, 0.42);
}

.page-contact .quick-card h3 {
  margin: 0 0 14px;
  font-size: var(--step-1);
  font-weight: 700;
}

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

.page-contact .quick-list a {
  display: block;
  padding-left: 18px;
  position: relative;
  color: var(--silver);
  text-decoration: none;
  font-size: var(--step-0);
  line-height: 1.6;
  transition: color var(--dur) var(--ease);
}

.page-contact .quick-list a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 8px;
  height: 2px;
  background: var(--moss);
  transition: background var(--dur) var(--ease);
}

.page-contact .quick-list a:hover {
  color: var(--lime);
}

.page-contact .quick-list a:hover::before {
  background: var(--lime);
}

/* 表单卡：米白实层 */
.page-contact .feedback-card {
  background: var(--bone);
  color: var(--text-dark);
  border: 1px solid rgba(18, 33, 29, 0.12);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 3.5vw, 40px);
}

.page-contact .feedback-card .eyebrow {
  color: rgba(18, 33, 29, 0.62);
}

.page-contact .feedback-card .eyebrow::before {
  background: var(--moss);
}

.page-contact .feedback-card h2 {
  margin: 0 0 12px;
  font-size: var(--step-3);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.1;
}

.page-contact .feedback-lede {
  margin: 0 0 clamp(20px, 3vw, 28px);
  font-size: var(--step-0);
  line-height: 1.75;
  color: rgba(18, 33, 29, 0.72);
  max-width: 34em;
}

.page-contact .feedback-fields {
  display: grid;
  gap: 18px;
}

.page-contact .field-row {
  display: grid;
  gap: 18px;
}

.page-contact .field {
  min-width: 0;
}

.page-contact fieldset.field {
  border: 0;
  margin: 0;
  padding: 0;
  min-width: 0;
}

.page-contact .field-label {
  display: block;
  margin: 0 0 8px;
  padding: 0;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: rgba(18, 33, 29, 0.66);
}

.page-contact .field-tip {
  display: block;
  margin-top: 4px;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0;
  color: rgba(18, 33, 29, 0.48);
}

.page-contact .field-input {
  box-sizing: border-box;
  width: 100%;
  padding: 12px 14px;
  font-family: inherit;
  font-size: var(--step-0);
  line-height: 1.5;
  color: var(--text-dark);
  background: #FFFDF7;
  border: 1px solid rgba(18, 33, 29, 0.20);
  border-radius: var(--radius-sm);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .field-input::placeholder {
  color: rgba(18, 33, 29, 0.38);
}

.page-contact .field-input:focus {
  outline: none;
  border-color: var(--moss);
  box-shadow: 0 0 0 3px rgba(198, 242, 74, 0.5);
}

.page-contact .field-input:not(:placeholder-shown):invalid {
  border-color: var(--clay);
  box-shadow: 0 0 0 3px rgba(166, 80, 60, 0.16);
}

.page-contact .field-textarea {
  resize: vertical;
  min-height: 130px;
}

.page-contact .topic-set {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .topic-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .topic-chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(18, 33, 29, 0.22);
  background: transparent;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.04em;
  color: rgba(18, 33, 29, 0.74);
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .topic-chip:hover {
  border-color: var(--moss);
  color: var(--text-dark);
}

.page-contact .topic-input:checked + .topic-chip {
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: var(--lime);
}

.page-contact .topic-input:focus-visible + .topic-chip {
  outline: 2px solid var(--moss);
  outline-offset: 2px;
}

.page-contact .feedback-submit {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 4px;
}

.page-contact .submit-note {
  margin: 0;
  max-width: 26em;
  font-size: var(--step--1);
  line-height: 1.65;
  color: rgba(18, 33, 29, 0.62);
}

.page-contact .feedback-legal {
  margin: 4px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(18, 33, 29, 0.12);
  font-size: var(--step--1);
  line-height: 1.7;
  color: rgba(18, 33, 29, 0.58);
}

.page-contact .feedback-legal a {
  color: var(--moss);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .feedback-legal a:hover {
  color: var(--text-dark);
}

/* ---------- 准备清单 ---------- */
.page-contact .prep-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-contact .prep-item {
  background: var(--ink-800);
  padding: clamp(20px, 3vw, 32px);
}

.page-contact .prep-num {
  display: block;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--lime);
}

.page-contact .prep-item h3 {
  margin: 0 0 10px;
  font-size: var(--step-1);
  font-weight: 800;
  line-height: 1.3;
}

.page-contact .prep-item p {
  margin: 0;
  font-size: var(--step-0);
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 合作方向 ---------- */
.page-contact .partner-grid {
  display: grid;
  gap: var(--contact-gap);
}

.page-contact .partner-card {
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(47, 107, 87, 0.20), rgba(14, 43, 36, 0.55));
}

.page-contact .partner-card:nth-child(1) {
  border-top: 3px solid var(--lime);
}

.page-contact .partner-card:nth-child(2) {
  border-top: 3px solid var(--orange);
}

.page-contact .partner-card:nth-child(3) {
  border-top: 3px solid var(--silver);
}

.page-contact .partner-card h3 {
  margin: 14px 0 10px;
  font-size: var(--step-2);
  font-weight: 800;
  line-height: 1.25;
}

.page-contact .partner-card p {
  margin: 0;
  font-size: var(--step-0);
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 处理路径 ---------- */
.page-contact .steps-shell {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: center;
}

.page-contact .steps-photo {
  margin: 0;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

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

.page-contact .steps-body h2 {
  margin: 0 0 clamp(20px, 3vw, 28px);
  font-size: var(--step-3);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

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

.page-contact .step {
  position: relative;
  padding: 0 0 24px 30px;
}

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

.page-contact .step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: var(--lime);
}

.page-contact .step::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 22px;
  bottom: 4px;
  width: 1px;
  background: var(--line);
}

.page-contact .step:last-child::after {
  display: none;
}

.page-contact .step-num {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-contact .step h3 {
  margin: 0 0 6px;
  font-size: var(--step-1);
  font-weight: 700;
  line-height: 1.35;
  transition: color var(--dur) var(--ease);
}

.page-contact .step:hover h3 {
  color: var(--lime);
}

.page-contact .step p {
  margin: 0;
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 斜切收束带 ---------- */
.page-contact .contact-cut {
  margin-top: clamp(40px, 7vw, 88px);
  padding-block: clamp(56px, 9vw, 104px);
  background:
    linear-gradient(135deg, rgba(47, 107, 87, 0.46), rgba(7, 26, 22, 0.94) 64%);
  clip-path: polygon(0 7%, 100% 0, 100% 100%, 0 100%);
  -webkit-clip-path: polygon(0 7%, 100% 0, 100% 100%, 0 100%);
}

.page-contact .cut-inner {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  align-items: center;
}

.page-contact .cut-inner h2 {
  margin: 0 0 12px;
  font-size: var(--step-3);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.01em;
}

.page-contact .cut-inner p {
  margin: 0;
  max-width: 36em;
  font-size: var(--step-0);
  line-height: 1.78;
  color: var(--muted);
}

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

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

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

  .page-contact .feedback-submit .btn {
    min-width: 180px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

  .page-contact .contact-main-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-contact .contact-aside {
    position: sticky;
    top: 104px;
  }

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

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

  .page-contact .steps-shell {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-contact .cut-inner {
    grid-template-columns: minmax(0, 7fr) auto;
  }
}

@media (min-width: 1160px) {
  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: clamp(48px, 6vw, 96px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .breadcrumb a,
  .page-contact .quick-list a,
  .page-contact .quick-list a::before,
  .page-contact .field-input,
  .page-contact .topic-chip,
  .page-contact .step h3 {
    transition: none;
  }
}
<<<END>>>