.page-contact {
  --contact-cut: 26px;
}

.page-contact .breadcrumb {
  margin: 0 0 4px;
}

.page-contact .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-contact .contact-hero {
  max-width: 860px;
  padding: clamp(28px, 5vw, 56px) 0 clamp(24px, 4vw, 44px);
}

.page-contact .contact-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(38px, 9vw, 82px);
  line-height: 1.02;
  letter-spacing: -0.01em;
  color: var(--text);
  transform: skewX(-2deg);
  transform-origin: left bottom;
  text-shadow: 0 0 28px rgba(212, 160, 23, 0.22);
}

.page-contact .lede {
  max-width: 780px;
  margin: 18px 0 0;
  font-size: clamp(15px, 2.4vw, 17px);
  line-height: 1.8;
  color: var(--text-2);
}

.page-contact .section-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 4.6vw, 38px);
  line-height: 1.18;
  color: var(--text);
  transform: skewX(-2deg);
  transform-origin: left bottom;
}

.page-contact .sub-title {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text);
}

.page-contact .prose {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-2);
}

/* ---------- 联系卡片 + 竖幅视觉 ---------- */
.page-contact .contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
  align-items: start;
}

.page-contact .contact-card {
  position: relative;
  padding: clamp(20px, 4.5vw, 40px);
  background:
    linear-gradient(158deg, rgba(30, 36, 64, 0.85) 0%, rgba(11, 14, 20, 0.98) 62%),
    var(--panel);
  border: 1px solid var(--line);
  border-left: 2px solid var(--gold);
  box-shadow: var(--shadow);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--contact-cut)), calc(100% - var(--contact-cut)) 100%, 0 100%);
}

.page-contact .contact-card__hint {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-2);
}

.page-contact .copy-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .copy-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "label label"
    "val btn";
  gap: 8px 14px;
  align-items: end;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-contact .copy-row--plain {
  grid-template-areas:
    "label label"
    "val val";
}

.page-contact .copy-label {
  grid-area: label;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-2);
}

.page-contact .copy-val {
  grid-area: val;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: clamp(18px, 4.2vw, 30px);
  line-height: 1.25;
  color: var(--gold-hi);
  overflow-wrap: anywhere;
  word-break: break-all;
}

.page-contact .copy-val--text {
  font-family: var(--font-body);
  font-size: clamp(16px, 3.4vw, 19px);
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: var(--text);
  word-break: normal;
  overflow-wrap: break-word;
}

.page-contact .copy-btn {
  grid-area: btn;
  align-self: end;
  padding: 7px 15px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold);
  background: transparent;
  border: 1px solid var(--gold);
  border-radius: 2px;
  cursor: pointer;
  transition: background 160ms var(--ease), color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-contact .copy-btn:hover {
  background: var(--gold);
  color: var(--ink);
}

.page-contact .copy-btn[data-copied] {
  border-color: var(--cyan);
  color: var(--cyan);
  background: transparent;
}

.page-contact .contact-note {
  margin: 22px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--cyan);
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-2);
}

.page-contact .contact-figure {
  margin: 0;
  padding: 10px;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.page-contact .contact-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border: 1px solid var(--line);
}

.page-contact .contact-figure figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-2);
}

/* ---------- 通道分工主题带 ---------- */
.page-contact .peak-band {
  margin-top: clamp(40px, 8vw, 84px);
  padding: clamp(36px, 7vw, 76px) 0;
  background:
    linear-gradient(116deg, rgba(106, 63, 160, 0.45) 0%, rgba(11, 14, 20, 0.96) 54%, rgba(0, 229, 208, 0.16) 100%),
    var(--panel);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .peak-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-contact .peak-intro .prose {
  color: #D3D8E4;
}

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

.page-contact .peak-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding-top: 14px;
  border-top: 1px solid rgba(42, 51, 80, 0.9);
}

.page-contact .peak-step__num {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold-hi);
}

.page-contact .peak-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

/* ---------- 事项分类 + 纠错流程 ---------- */
.page-contact .support-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 6vw, 60px);
  margin-top: clamp(48px, 9vw, 96px);
}

.page-contact .topic-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-contact .topic-item {
  padding: 18px 0 18px 18px;
  border-left: 1px solid var(--line);
  transition: border-color 160ms var(--ease), padding-left 160ms var(--ease);
}

.page-contact .topic-item:hover {
  border-left-color: var(--gold);
  padding-left: 24px;
}

.page-contact .topic-item p {
  margin: 7px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-2);
}

.page-contact .fix-figure {
  margin: 0 0 clamp(24px, 4vw, 34px);
  padding: 8px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.page-contact .fix-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-contact .fix-flow {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  counter-reset: none;
}

.page-contact .fix-step {
  padding: 18px 16px 16px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  transition: transform 160ms var(--ease), border-color 160ms var(--ease);
}

.page-contact .fix-step:hover {
  transform: translateY(-4px);
  border-color: var(--line);
  border-top-color: var(--gold);
}

.page-contact .fix-step__index {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  color: var(--gold-hi);
}

.page-contact .fix-step p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-2);
}

.page-contact .fix-foot {
  margin: 24px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-2);
}

/* ---------- 备案与主体 ---------- */
.page-contact .meta-band {
  margin-top: clamp(56px, 10vw, 112px);
  padding: clamp(44px, 7vw, 80px) 0 clamp(32px, 6vw, 56px);
  background: linear-gradient(180deg, #0E1220 0%, var(--panel) 100%);
  border-top: 1px solid var(--line);
  clip-path: polygon(0 22px, 100% 0, 100% 100%, 0 100%);
}

.page-contact .meta-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 52px);
  align-items: start;
}

.page-contact .meta-list {
  margin: 0;
  display: grid;
  border-top: 1px solid var(--line);
}

.page-contact .meta-row {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .meta-row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-2);
}

.page-contact .meta-row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .meta-row dd.num {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--gold-hi);
  word-break: break-all;
}

.page-contact .meta-links {
  margin: 30px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.9;
  color: var(--text-2);
}

.page-contact .meta-links a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 208, 0.35);
}

.page-contact .meta-links a:hover {
  color: var(--gold-hi);
  border-bottom-color: var(--gold-hi);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .fix-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  }

  .page-contact .peak-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 4fr);
  }

  .page-contact .meta-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }
}

@media (min-width: 960px) {
  .page-contact .support-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  }

  .page-contact .contact-figure {
    position: sticky;
    top: calc(var(--header-h) + 16px);
  }
}

@media (max-width: 480px) {
  .page-contact .copy-row {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "label"
      "val"
      "btn";
    align-items: start;
  }

  .page-contact .copy-row--plain {
    grid-template-areas:
      "label"
      "val";
  }

  .page-contact .copy-btn {
    justify-self: start;
  }

  .page-contact .meta-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .copy-btn,
  .page-contact .topic-item,
  .page-contact .fix-step {
    transition: none;
  }

  .page-contact .fix-step:hover {
    transform: none;
  }
}