.page-contact {
  background: var(--ink-900);
  color: var(--text-main);
  font-family: var(--font-body);
}

.page-contact .hero {
  position: relative;
  overflow: hidden;
  min-height: 440px;
  display: flex;
  align-items: flex-end;
  border-bottom: 2px solid var(--line-gold);
  background: var(--ink-900);
}

.page-contact .hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(.35) brightness(.5) contrast(1.05);
}

.page-contact .hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 13, 17, .5) 0%, rgba(10, 13, 17, .95) 72%);
}

.page-contact .hero-body {
  position: relative;
  z-index: 1;
  padding-top: 40px;
  padding-bottom: 48px;
  width: 100%;
}

.page-contact .breadcrumb {
  margin-bottom: 32px;
}

.page-contact .breadcrumb-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
}

.page-contact .breadcrumb-link {
  color: var(--gold-200);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast), border-color var(--t-fast);
}

.page-contact .breadcrumb-link:hover {
  color: var(--cyan-400);
  border-bottom-color: currentColor;
}

.page-contact .breadcrumb-sep {
  color: var(--mist-cyan);
}

.page-contact .breadcrumb-current {
  color: var(--text-soft);
}

.page-contact .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--gold-500);
  margin: 0;
}

.page-contact h1 {
  font-family: var(--font-display);
  font-size: clamp(28px, 6vw, 48px);
  line-height: 1.24;
  letter-spacing: .07em;
  color: #FFFFFF;
  margin: 14px 0 18px;
  max-width: 22em;
}

.page-contact .hero-lede {
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-soft);
  max-width: 34em;
  margin: 0;
}

.page-contact .hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
}

.page-contact .chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border: 1px solid var(--line-gold);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--text-soft);
}

.page-contact .chip--gold {
  border-color: var(--gold-500);
  color: var(--gold-200);
  background: rgba(200, 162, 74, .08);
}

.page-contact .sec {
  padding-block: 64px;
  border-top: 1px solid var(--line-soft);
}

.page-contact .sec:first-of-type {
  border-top: 0;
}

.page-contact .sec-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  margin-bottom: 28px;
}

.page-contact .sec-num {
  font-size: 26px;
  line-height: 1;
  color: var(--gold-500);
  padding-top: 4px;
}

.page-contact .sec-head h2,
.page-contact .check-head h2 {
  font-family: var(--font-display);
  font-size: 21px;
  letter-spacing: .07em;
  color: #FFFFFF;
  margin: 0 0 8px;
}

.page-contact .sec-kicker {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--mist-cyan);
  margin: 0;
}

.page-contact .lead {
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-soft);
  max-width: 34em;
  margin: 0 0 24px;
}

.page-contact .inline-link {
  color: var(--cyan-400);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--t-fast);
}

.page-contact .inline-link:hover {
  color: var(--gold-200);
}

.page-contact a:focus-visible,
.page-contact button:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 2px;
}

/* 三条通道 */
.page-contact .channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-contact .channel {
  border: 2px solid var(--line-gold);
  background: var(--ink-750);
  padding: 20px;
  box-shadow: 6px 6px 0 rgba(0, 0, 0, .5);
  transition: box-shadow var(--t-fast), transform var(--t-fast), border-color var(--t-fast);
}

.page-contact .channel:hover {
  box-shadow: 10px 10px 0 rgba(0, 0, 0, .62);
  transform: translate(-2px, -2px);
  border-color: var(--gold-500);
}

.page-contact .channel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-contact .channel-label {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold-500);
}

.page-contact .copy-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  padding: 4px 10px;
  background: transparent;
  color: var(--cyan-400);
  border: 1px solid rgba(53, 224, 210, .5);
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}

.page-contact .copy-btn:hover {
  background: var(--cyan-400);
  color: var(--ink-900);
  border-color: var(--cyan-400);
}

.page-contact .channel-value {
  font-size: 15px;
  line-height: 1.6;
  letter-spacing: .02em;
  color: #FFFFFF;
  margin: 16px 0 12px;
  overflow-wrap: anywhere;
}

.page-contact .channel-use {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-soft);
  margin: 0;
}

.page-contact .route-note {
  margin-top: 30px;
  border-left: 6px solid var(--gold-500);
  background: rgba(200, 162, 74, .07);
  padding: 20px 20px 22px;
}

.page-contact .route-note-label {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--gold-500);
  margin: 0 0 10px;
}

.page-contact .route-note-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--text-soft);
  max-width: 60em;
}

/* 提问模板 + 版式示意 */
.page-contact .split {
  display: grid;
  gap: 36px;
}

.page-contact .tpl-card {
  border: 2px solid var(--line-gold);
  border-left: 8px solid var(--gold-500);
  background: var(--ink-750);
  padding: 4px 20px;
  box-shadow: var(--shadow-hard);
}

.page-contact .tpl-row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px dashed var(--line-gold);
}

.page-contact .tpl-row:last-child {
  border-bottom: 0;
}

.page-contact .tpl-key {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold-500);
}

.page-contact .tpl-val {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-main);
  overflow-wrap: anywhere;
}

.page-contact .tpl-hint {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist-cyan);
  max-width: 36em;
}

.page-contact .split-side .media-frame {
  border: 2px solid var(--line-gold);
  box-shadow: var(--shadow-hard);
  background: var(--ink-750);
}

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

.page-contact .media-cap {
  margin: 14px 0 0;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist-cyan);
}

/* 自查清单 */
.page-contact .check-block {
  display: grid;
  gap: 28px;
}

.page-contact .check-head {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-contact .check-head .lead {
  margin: 6px 0 0;
}

.page-contact .check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .check-item {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 12px;
  align-items: start;
  padding: 14px 16px;
  background: var(--ink-750);
  border: 1px solid var(--line-soft);
  cursor: pointer;
  transition: border-color var(--t-fast), background var(--t-fast);
}

.page-contact .check-item:hover {
  border-color: var(--line-gold);
  background: #151B23;
}

.page-contact .check-input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-contact .check-box {
  display: block;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border: 2px solid var(--line-gold);
  position: relative;
  transition: background var(--t-fast), border-color var(--t-fast);
}

.page-contact .check-input:checked + .check-box {
  background: var(--cyan-400);
  border-color: var(--cyan-400);
}

.page-contact .check-input:checked + .check-box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--ink-900);
  border-bottom: 2px solid var(--ink-900);
  transform: rotate(40deg);
}

.page-contact .check-input:focus-visible + .check-box {
  outline: 2px solid var(--cyan-400);
  outline-offset: 3px;
}

.page-contact .check-text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-main);
}

.page-contact .check-text b {
  font-weight: 400;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold-500);
  margin-right: 8px;
}

/* 可协助范围 */
.page-contact .scope-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--line-gold);
}

.page-contact .scope-item {
  display: grid;
  grid-template-columns: 34px 1fr;
  grid-template-areas:
    "num title"
    ". desc";
  gap: 6px 14px;
  padding: 20px 4px;
  border-bottom: 1px solid var(--line-soft);
  transition: background var(--t-fast);
}

.page-contact .scope-item:hover {
  background: rgba(200, 162, 74, .06);
}

.page-contact .scope-num {
  grid-area: num;
  font-size: 16px;
  color: var(--gold-500);
  line-height: 1.5;
}

.page-contact .scope-item h3 {
  grid-area: title;
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: .05em;
  color: var(--gold-200);
  margin: 0;
  line-height: 1.5;
}

.page-contact .scope-item p {
  grid-area: desc;
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-soft);
  max-width: 44em;
}

.page-contact .tail-note {
  margin: 36px 0 0;
  padding-top: 24px;
  border-top: 1px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.9;
  color: var(--text-soft);
  max-width: 50em;
}

@media (min-width: 760px) {
  .page-contact .tpl-row {
    grid-template-columns: 110px 1fr;
    gap: 18px;
    align-items: baseline;
  }

  .page-contact .check-list {
    grid-template-columns: 1fr 1fr;
    gap: 14px 20px;
  }
}

@media (min-width: 960px) {
  .page-contact .hero-body {
    padding-top: 64px;
    padding-bottom: 64px;
  }

  .page-contact .sec {
    padding-block: 96px;
  }

  .page-contact .sec-num {
    font-size: 44px;
    padding-top: 6px;
  }

  .page-contact .sec-head h2,
  .page-contact .check-head h2 {
    font-size: 26px;
  }

  .page-contact .lead {
    font-size: 16px;
  }

  .page-contact .channel-list {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .page-contact .split {
    grid-template-columns: repeat(12, 1fr);
    gap: 24px;
    align-items: start;
  }

  .page-contact .split-main {
    grid-column: 1 / span 7;
  }

  .page-contact .split-side {
    grid-column: 9 / span 4;
    margin-top: 64px;
  }

  .page-contact .check-block {
    grid-template-columns: repeat(12, 1fr);
    gap: 24px;
    align-items: start;
  }

  .page-contact .check-head {
    grid-column: 1 / span 3;
  }

  .page-contact .check-list {
    grid-column: 5 / span 8;
  }

  .page-contact .scope-item {
    grid-template-columns: 72px 230px 1fr;
    grid-template-areas: "num title desc";
    gap: 24px;
    align-items: baseline;
    padding: 22px 6px;
  }

  .page-contact .scope-num {
    font-size: 20px;
  }

  .page-contact .scope-item h3 {
    font-size: 17px;
  }

  .page-contact .scope-item p {
    font-size: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact * {
    transition: none !important;
  }

  .page-contact .channel:hover {
    transform: none;
  }
}
<<<END>>>