.page-contact {
  --c-line: rgba(20, 32, 28, 0.16);
  --c-line-dark: rgba(243, 233, 215, 0.2);
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
}

.page-contact .section {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
}

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

.page-contact .c-head-note {
  margin: 0.55rem 0 0;
  font-size: 0.95rem;
  line-height: 1.7;
  color: rgba(20, 32, 28, 0.66);
}

.page-contact .c-link {
  color: var(--orange);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-contact .c-hero {
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(53, 240, 208, 0.16), transparent 62%),
    linear-gradient(160deg, var(--ink-blue) 0%, var(--ink-blue-2) 58%, var(--ink-green) 100%);
  color: var(--paper);
  padding: clamp(1.25rem, 3vw, 2rem) 0 clamp(2.5rem, 6vw, 4.5rem);
  border-bottom: 2px solid var(--line-dark);
}

.page-contact .c-hero .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-contact .c-hero .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 0.4rem;
  color: rgba(243, 233, 215, 0.4);
}

.page-contact .c-hero .breadcrumb-item a {
  color: var(--paper-soft);
  text-decoration: none;
}

.page-contact .c-hero .breadcrumb-item a:hover {
  color: var(--cyan);
}

.page-contact .c-hero .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .c-hero-grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
}

.page-contact .c-hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 7.2vw, 4.1rem);
  line-height: 1.02;
  letter-spacing: -0.01em;
  margin: 0.6rem 0 1rem;
}

.page-contact .c-hero .lede {
  max-width: 48ch;
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--paper-soft);
}

.page-contact .c-callout {
  margin-top: clamp(1.25rem, 3vw, 2rem);
  border-left: 4px solid var(--orange);
  padding-left: 1rem;
}

.page-contact .c-callout-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-contact .c-callout-value {
  margin: 0.3rem 0 0.45rem;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(1.8rem, 8vw, 3.4rem);
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--cyan);
}

.page-contact .c-callout-note {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--mist);
}

.page-contact .c-hero-media {
  margin: 0;
}

.page-contact .c-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
  border: 2px solid var(--line-dark);
  box-shadow: var(--shadow-cyan);
  filter: saturate(0.9) contrast(1.05);
}

.page-contact .c-hero-media .media-frame-caption {
  margin-top: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--mist);
}

/* ---------- 三条通道 ---------- */
.page-contact .c-channel-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.75rem;
}

.page-contact .c-channel {
  position: relative;
  background: var(--paper-2);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-brut);
  padding: 1.2rem 1.1rem 1.4rem;
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}

.page-contact .c-channel:hover,
.page-contact .c-channel:focus-within {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 rgba(11, 22, 38, 0.92);
}

.page-contact .c-channel-idx {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--orange);
  border-bottom: 2px solid var(--orange);
  padding-bottom: 0.15rem;
}

.page-contact .c-channel-title {
  margin: 0.85rem 0 0.4rem;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.25rem;
}

.page-contact .c-channel-value {
  margin: 0 0 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1.4;
  word-break: break-word;
  color: var(--ink-green);
}

.page-contact .c-channel-scene {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(20, 32, 28, 0.78);
}

.page-contact .c-channel-meta {
  margin: 0.6rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.6;
  color: rgba(20, 32, 28, 0.55);
}

.page-contact .c-channel-link {
  display: inline-block;
  margin-top: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--ink);
  background: var(--orange);
  border: 2px solid var(--ink);
  padding: 0.35rem 0.7rem;
  text-decoration: none;
  transition: background var(--dur-fast) var(--ease);
}

.page-contact .c-channel-link:hover {
  background: var(--orange-2);
}

/* ---------- 准备清单切换 ---------- */
.page-contact .c-tabs {
  position: relative;
  margin-top: 1.6rem;
}

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

.page-contact .c-tab-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-contact .c-tab {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  border: 2px solid var(--ink);
  background: transparent;
  color: var(--ink);
  padding: 0.5rem 0.9rem;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}

.page-contact .c-tab:hover {
  background: rgba(20, 32, 28, 0.07);
}

.page-contact #c-tab-email:checked ~ .c-tab-labels label[for="c-tab-email"],
.page-contact #c-tab-phone:checked ~ .c-tab-labels label[for="c-tab-phone"],
.page-contact #c-tab-form:checked ~ .c-tab-labels label[for="c-tab-form"] {
  background: var(--ink);
  color: var(--paper);
}

.page-contact .c-tab-input:focus-visible ~ .c-tab-labels .c-tab {
  outline: 2px dashed var(--orange);
  outline-offset: 2px;
}

.page-contact .c-tab-panels {
  margin-top: 1rem;
}

.page-contact .c-panel {
  display: none;
  background: var(--paper-2);
  border: 2px solid var(--ink);
  padding: 1.1rem 1.15rem 1.3rem;
}

.page-contact #c-tab-email:checked ~ .c-tab-panels #c-panel-email,
.page-contact #c-tab-phone:checked ~ .c-tab-panels #c-panel-phone,
.page-contact #c-tab-form:checked ~ .c-tab-panels #c-panel-form {
  display: block;
}

.page-contact .c-panel-title {
  margin: 0 0 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-contact .c-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-contact .c-steps li {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 0.6rem;
  font-size: 0.95rem;
  line-height: 1.7;
}

.page-contact .c-step-num {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--orange);
}

/* ---------- 常见咨询类型 ---------- */
.page-contact .c-type-list {
  margin-top: 1.5rem;
  border-bottom: 2px solid var(--c-line);
}

.page-contact .c-type {
  display: grid;
  gap: 0.45rem;
  padding: 1.15rem 0;
  border-top: 2px solid var(--c-line);
}

.page-contact .c-type-idx {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-contact .c-type-title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.15rem;
}

.page-contact .c-type-scene {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.7;
  color: rgba(20, 32, 28, 0.78);
}

.page-contact .c-type-path p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.75;
  color: rgba(20, 32, 28, 0.86);
}

.page-contact .c-type-link {
  display: inline-block;
  margin-top: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--orange);
  padding-bottom: 1px;
}

.page-contact .c-type-link:hover {
  color: var(--orange);
}

/* ---------- 填写与发送 ---------- */
.page-contact .c-write {
  background: linear-gradient(180deg, var(--ink-green) 0%, var(--ink-blue) 100%);
  color: var(--paper);
}

.page-contact .c-write-grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
}

.page-contact .c-write-side .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .c-write .section-title {
  margin: 0.55rem 0 0.8rem;
  color: var(--paper);
}

.page-contact .c-write-lede {
  margin: 0;
  max-width: 42ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--paper-soft);
}

.page-contact .c-contact-cards {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-contact .c-contact-card {
  display: grid;
  gap: 0.2rem;
  border: 2px solid var(--line-dark);
  border-left: 4px solid var(--cyan);
  padding: 0.65rem 0.85rem;
  background: rgba(11, 22, 38, 0.42);
}

.page-contact .c-contact-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-contact .c-contact-value {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1.45;
  word-break: break-word;
  color: var(--cyan);
}

.page-contact .c-form {
  background: var(--paper-2);
  color: var(--ink);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-brut);
  padding: clamp(1.1rem, 3vw, 1.6rem);
}

.page-contact .c-form-grid {
  display: grid;
  gap: 0.9rem;
}

.page-contact .c-field {
  display: grid;
  gap: 0.35rem;
}

.page-contact .c-field--wide {
  margin-top: 0.9rem;
}

.page-contact .c-field label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: rgba(20, 32, 28, 0.7);
}

.page-contact .c-form input,
.page-contact .c-form select,
.page-contact .c-form textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  border: 2px solid rgba(20, 32, 28, 0.4);
  border-radius: 0;
  padding: 0.62rem 0.7rem;
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}

.page-contact .c-form textarea {
  resize: vertical;
  min-height: 7rem;
}

.page-contact .c-form input::placeholder,
.page-contact .c-form textarea::placeholder {
  color: rgba(20, 32, 28, 0.42);
}

.page-contact .c-form input:focus,
.page-contact .c-form select:focus,
.page-contact .c-form textarea:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 3px 3px 0 rgba(255, 122, 26, 0.45);
}

.page-contact .c-form-note {
  margin: 1rem 0 0;
  font-size: 0.82rem;
  line-height: 1.7;
  color: rgba(20, 32, 28, 0.68);
}

.page-contact .c-form-note .c-link {
  color: var(--ink);
  border-bottom: 2px solid var(--orange);
  text-decoration: none;
}

/* ---------- 回复节奏 ---------- */
.page-contact .c-timeline {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.page-contact .c-timeline-item {
  display: grid;
  gap: 0.3rem;
  padding: 0.85rem 1rem;
  background: var(--paper-2);
  border: 2px solid var(--ink);
  border-left: 5px solid var(--orange);
}

.page-contact .c-tl-time {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--ink-green);
}

.page-contact .c-tl-text {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: rgba(20, 32, 28, 0.82);
}

/* ---------- 合作 ---------- */
.page-contact .c-coop-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.page-contact .c-coop-col {
  border: 2px solid var(--ink);
  background: var(--paper-2);
  padding: 1.1rem 1.15rem 1.3rem;
}

.page-contact .c-coop-col--alt {
  background: var(--ink-green);
  color: var(--paper);
  border-color: var(--ink-green);
}

.page-contact .c-coop-title {
  margin: 0 0 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-contact .c-tick-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-contact .c-tick-list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.94rem;
  line-height: 1.65;
}

.page-contact .c-tick-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.5rem;
  height: 0.5rem;
  background: var(--orange);
}

.page-contact .c-coop-col--alt .c-tick-list li::before {
  background: var(--cyan);
}

.page-contact .c-coop-note {
  margin: 1rem 0 0;
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--paper-soft);
}

/* ---------- 地址与备案 ---------- */
.page-contact .c-addr {
  background: var(--ink-blue);
  color: var(--paper);
}

.page-contact .c-addr-board {
  position: relative;
  overflow: hidden;
  border: 2px solid var(--line-dark);
  padding: clamp(1.4rem, 5vw, 3rem);
}

.page-contact .c-addr-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.32;
  filter: saturate(0.6);
}

.page-contact .c-addr-nodes {
  position: absolute;
  right: 0;
  bottom: 0;
  width: min(60%, 420px);
  height: auto;
  opacity: 0.8;
  pointer-events: none;
}

.page-contact .c-addr-inner {
  position: relative;
  z-index: 1;
  max-width: 44rem;
}

.page-contact .c-addr-inner .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .c-addr-inner .section-title {
  margin: 0.5rem 0 1.2rem;
  color: var(--paper);
}

.page-contact .c-addr-list {
  margin: 0;
  display: grid;
  gap: 0.75rem;
}

.page-contact .c-addr-row {
  display: grid;
  gap: 0.15rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--c-line-dark);
}

.page-contact .c-addr-row dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-contact .c-addr-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1.6;
  word-break: break-word;
  color: var(--paper);
}

.page-contact .c-addr-note {
  margin: 1.2rem 0 0;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--paper-soft);
}

.page-contact .c-addr-note .c-link {
  color: var(--cyan);
}

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

  .page-contact .c-addr-row {
    grid-template-columns: 7rem minmax(0, 1fr);
    align-items: baseline;
    gap: 0.75rem;
  }
}

@media (min-width: 820px) {
  .page-contact .c-channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
  }

  .page-contact .c-coop-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
  }

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

@media (min-width: 900px) {
  .page-contact .c-hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: end;
  }

  .page-contact .c-write-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-contact .c-type {
    grid-template-columns: 3.4rem 8.5rem minmax(0, 1fr) minmax(0, 1.2fr);
    gap: 0.4rem 1.1rem;
    align-items: start;
    padding: 1.3rem 0;
  }
}

@media (min-width: 1080px) {
  .page-contact .c-timeline {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .c-channel,
  .page-contact .c-channel-link,
  .page-contact .c-tab,
  .page-contact .c-form input,
  .page-contact .c-form select,
  .page-contact .c-form textarea {
    transition: none;
  }

  .page-contact .c-channel:hover,
  .page-contact .c-channel:focus-within {
    transform: none;
  }
}
<<<END>>>