.page-contact {
  --pc-gap: clamp(28px, 5vw, 64px);
  --pc-tint: rgba(18, 48, 40, 0.55);
  position: relative;
  background:
    radial-gradient(120% 76% at 82% -6%, rgba(59, 240, 200, 0.11), transparent 58%),
    radial-gradient(90% 54% at 4% 22%, rgba(245, 166, 59, 0.055), transparent 62%),
    var(--ink-900);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-contact .sec-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 clamp(16px, 2.6vw, 26px);
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.6vw, 1.5rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-contact .sec-title::before {
  content: "";
  flex: none;
  width: 26px;
  height: 2px;
  background: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: calc(var(--header-h) + clamp(30px, 8vw, 84px)) 0 clamp(28px, 4vw, 48px);
}

.page-contact .contact-hero__inner {
  position: relative;
  display: grid;
  gap: 18px;
}

.page-contact .crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-contact .crumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 1px;
}

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

.page-contact .contact-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.2rem, 8vw, 4.6rem);
  line-height: 1.03;
  letter-spacing: -0.02em;
}

.page-contact .contact-hero__title .hl {
  color: var(--cyan);
}

.page-contact .contact-hero__lede {
  max-width: 36em;
  margin: 0;
  font-size: clamp(0.95rem, 2.2vw, 1.06rem);
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-hero__note {
  display: none;
}

/* ---------- 联系方式大字 ---------- */
.page-contact .channel-board {
  padding: clamp(24px, 3.6vw, 40px) 0 clamp(38px, 5.5vw, 68px);
}

.page-contact .channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .channel-row {
  display: grid;
  gap: 6px;
  padding: clamp(16px, 2.6vw, 24px) 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .channel-row__label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--muted);
}

.page-contact .channel-row__value {
  font-size: clamp(1.2rem, 5.6vw, 2.5rem);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .channel-row__value--text {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 3.6vw, 1.75rem);
  line-height: 1.35;
}

.page-contact .channel-row__hint {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 受理范围与自助入口 ---------- */
.page-contact .support {
  padding: clamp(34px, 5.5vw, 66px) 0;
  background:
    linear-gradient(180deg, rgba(12, 31, 26, 0.9), rgba(6, 17, 15, 0.4));
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .support__grid {
  display: grid;
  gap: clamp(30px, 5vw, 60px);
}

.page-contact .support__intro {
  margin: 0 0 18px;
  max-width: 30em;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

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

.page-contact .issue {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px dashed var(--line-soft);
}

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

.page-contact .issue__num {
  font-size: 15px;
  font-weight: 700;
  color: var(--cyan);
  padding-top: 3px;
}

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

.page-contact .issue__title {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

.page-contact .issue__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

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

.page-contact .self-item {
  display: grid;
  gap: 5px;
  padding: 14px 16px;
  background: var(--pc-tint);
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  border-radius: var(--r-sm);
  text-decoration: none;
  transition: border-color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-contact .self-item:hover,
.page-contact .self-item:focus-visible {
  border-color: var(--cyan);
  background: rgba(18, 48, 40, 0.85);
}

.page-contact .self-item__title {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

.page-contact .self-item__text {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 支持场景图 ---------- */
.page-contact .support-figure {
  margin: clamp(30px, 5vw, 58px) 0 0;
  display: grid;
  gap: 12px;
}

.page-contact .support-figure__frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
}

.page-contact .support-figure__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(59, 240, 200, 0.09), rgba(6, 17, 15, 0.45));
  pointer-events: none;
}

.page-contact .support-figure__frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  filter: brightness(0.82);
}

.page-contact .support-figure__cap {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  border-left: 2px solid var(--amber);
  padding-left: 12px;
}

/* ---------- 提问清单 ---------- */
.page-contact .brief {
  padding: clamp(38px, 6vw, 76px) 0;
}

.page-contact .brief__inner {
  display: grid;
  gap: clamp(22px, 3.4vw, 36px);
}

.page-contact .brief__lede {
  margin: 0;
  max-width: 30em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .brief__panel {
  display: grid;
  gap: clamp(22px, 3.4vw, 34px);
  padding: clamp(20px, 3.4vw, 34px);
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-1);
}

.page-contact .brief-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .brief-item {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .brief-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .brief-dot {
  width: 8px;
  height: 8px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--orange);
}

.page-contact .brief-item__k {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--text);
}

.page-contact .brief-item__v {
  grid-column: 2;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .template-box {
  padding: 16px;
  background: var(--ink-950);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
}

.page-contact .template-box__cap {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-contact .template-box pre {
  margin: 0;
  font-size: 13px;
  line-height: 1.9;
  color: var(--text);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

/* ---------- 纠错与协作 ---------- */
.page-contact .fix-band {
  margin-top: clamp(10px, 2vw, 24px);
  padding: clamp(38px, 6vw, 76px) 0;
  background:
    linear-gradient(118deg, rgba(59, 240, 200, 0.11), rgba(245, 166, 59, 0.06) 72%),
    var(--ink-950);
  clip-path: polygon(0 3%, 100% 0, 100% 97%, 0 100%);
}

.page-contact .fix-band__cols {
  display: grid;
  gap: 16px;
}

.page-contact .fix-card {
  padding: 18px 18px 20px;
  background: rgba(6, 17, 15, 0.55);
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
  border-radius: var(--r-sm);
}

.page-contact .fix-card__title {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

.page-contact .fix-card__text {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .fix-card__meta {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .fix-card:last-child .fix-card__meta {
  color: var(--muted);
}

/* ---------- 收尾横幅 ---------- */
.page-contact .closing {
  position: relative;
  margin-top: clamp(30px, 5vw, 58px);
  min-height: clamp(190px, 30vw, 300px);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  border-top: 1px solid var(--line);
}

.page-contact .closing__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .closing__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  filter: saturate(0.8);
}

.page-contact .closing__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--ink-900) 4%, rgba(6, 17, 15, 0.55) 62%, var(--ink-900) 100%);
}

.page-contact .closing__body {
  position: relative;
  z-index: 1;
  padding-top: clamp(48px, 8vw, 90px);
  padding-bottom: clamp(26px, 4vw, 44px);
}

.page-contact .closing__line {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.2rem, 3.6vw, 2rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-contact .closing__sub {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 中等屏幕 ---------- */
@media (min-width: 720px) {
  .page-contact .channel-row {
    grid-template-columns: 116px minmax(0, 1fr) auto;
    align-items: baseline;
    gap: 20px;
  }

  .page-contact .channel-row__label {
    padding-top: 4px;
  }

  .page-contact .channel-row__hint {
    text-align: right;
    max-width: 16em;
  }

  .page-contact .brief__panel {
    grid-template-columns: minmax(0, 6fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-contact .fix-band__cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

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

  .page-contact .self-list li:first-child {
    grid-column: span 2;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-contact .contact-hero__inner {
    padding-right: 80px;
  }

  .page-contact .contact-hero__note {
    display: block;
    position: absolute;
    right: 0;
    top: 12px;
    font-size: 12px;
    letter-spacing: 0.34em;
    color: var(--muted);
  }

  .page-contact .support__grid {
    position: relative;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(38px, 6vw, 78px);
  }

  .page-contact .support__grid::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 4px;
    bottom: 4px;
    width: 1px;
    background: linear-gradient(180deg, transparent, var(--line) 12%, var(--line) 88%, transparent);
  }

  .page-contact .support-figure {
    grid-template-columns: minmax(0, 5fr) minmax(0, 3fr);
    align-items: end;
    gap: 32px;
    margin-top: clamp(38px, 5vw, 64px);
  }

  .page-contact .support-figure__frame {
    margin-right: -24px;
  }

  .page-contact .brief__inner {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    align-items: start;
    gap: clamp(30px, 5vw, 62px);
  }

  .page-contact .brief__panel {
    margin-top: 6px;
  }

  .page-contact .fix-band {
    clip-path: polygon(0 6%, 100% 0, 100% 94%, 0 100%);
    padding: clamp(60px, 7vw, 96px) 0;
  }

  .page-contact .closing {
    min-height: clamp(240px, 24vw, 340px);
  }
}

/* ---------- 动效 ---------- */
@media (prefers-reduced-motion: no-preference) {
  .page-contact [data-reveal].is-visible {
    animation: pc-rise 0.42s var(--ease) both;
  }

  .page-contact .self-item {
    transition: transform 0.24s var(--ease), border-color 0.24s var(--ease), background-color 0.24s var(--ease);
  }

  .page-contact .self-item:hover,
  .page-contact .self-item:focus-visible {
    transform: translateX(3px);
  }
}

@keyframes pc-rise {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
<<<END>>>