.page-contact {
  --contact-pad: clamp(18px, 3vw, 34px);
  --contact-gap: clamp(14px, 2.2vw, 26px);
  background: var(--void);
  color: var(--white);
}

.page-contact .contact-hero,
.page-contact .contact-business,
.page-contact .contact-records,
.page-contact .contact-checklist,
.page-contact .contact-links {
  padding: clamp(34px, 5vw, 72px) 0;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(20px, 3vw, 36px);
  background-image:
    radial-gradient(120% 85% at 82% 0%, rgba(43, 76, 126, 0.48), transparent 62%),
    repeating-linear-gradient(0deg, var(--line) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 88px);
  border-bottom: 1px solid var(--line-strong);
}

.page-contact .breadcrumbs {
  margin: 0 0 clamp(18px, 2.6vw, 28px);
}

.page-contact .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--contact-gap);
  align-items: end;
}

.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(33px, 6.4vw, 76px);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.04em;
  color: var(--white);
  max-width: 16ch;
}

.page-contact .contact-lede {
  margin: 18px 0 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.6vw, 17.5px);
  line-height: 1.78;
  color: var(--grid);
}

.page-contact .hero-media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--console);
}

.page-contact .hero-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

/* ---------- 联系信息 + 问题类型 ---------- */
.page-contact .hero-panels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--contact-gap);
  margin-top: clamp(26px, 4vw, 48px);
}

.page-contact .contact-card {
  padding: var(--contact-pad);
  background: linear-gradient(160deg, rgba(43, 76, 126, 0.36), rgba(14, 22, 38, 0.94) 64%);
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--signal);
  border-radius: var(--radius);
}

.page-contact .contact-card-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

.page-contact .contact-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(61, 220, 132, 0.16);
  animation: page-contact-pulse 3.2s ease-in-out infinite;
}

@keyframes page-contact-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

.page-contact .contact-status {
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--green);
}

.page-contact .contact-label {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--grid);
}

.page-contact .contact-mail {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(13.5px, 3.7vw, 27px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--white);
  overflow-wrap: anywhere;
  -webkit-user-select: all;
  user-select: all;
}

.page-contact .contact-divider {
  height: 1px;
  margin: 20px 0;
  background: var(--line-strong);
}

.page-contact .contact-tel {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(24px, 4.6vw, 38px);
  line-height: 1.15;
  letter-spacing: 0.01em;
  color: var(--signal);
  -webkit-user-select: all;
  user-select: all;
}

.page-contact .contact-hint {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--grid);
}

/* ---------- 标签切换 ---------- */
.page-contact .router {
  min-width: 0;
}

.page-contact .tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .tab {
  font: inherit;
  font-size: 14px;
  padding: 9px 15px;
  background: transparent;
  color: var(--grid);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  cursor: pointer;
  transition: color 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.page-contact .tab:hover {
  color: var(--white);
  border-color: var(--white);
}

.page-contact .tab[aria-selected="true"] {
  background: var(--signal);
  border-color: var(--signal);
  color: #150803;
  font-weight: 700;
}

.page-contact .tab:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-contact .tab-panels {
  margin-top: 14px;
}

.page-contact .tab-panel {
  padding: var(--contact-pad);
  background: var(--console);
  border: 1px solid var(--line);
  border-top: 2px solid var(--signal);
  border-radius: var(--radius);
}

.page-contact .tab-panel h3 {
  margin: 0 0 10px;
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-contact .tab-panel p {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--grid);
}

.page-contact .need-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-contact .need-list li {
  display: flex;
  gap: 10px;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--white);
}

.page-contact .need-list li::before {
  content: "—";
  flex: none;
  color: var(--signal);
}

/* ---------- 商务合作 ---------- */
.page-contact .contact-business {
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(43, 76, 126, 0.20), rgba(7, 11, 20, 0) 72%);
}

.page-contact .block-head {
  max-width: 66ch;
  margin-bottom: clamp(22px, 3vw, 36px);
}

.page-contact .block-head h2 {
  margin: 10px 0 0;
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1.14;
  letter-spacing: -0.025em;
  color: var(--white);
}

.page-contact .block-head p {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--grid);
}

.page-contact .partner-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--contact-gap);
}

.page-contact .partner-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: var(--contact-pad);
  background: var(--console);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.18s ease;
}

.page-contact .partner-card:hover {
  border-color: var(--line-strong);
}

.page-contact .partner-index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--signal);
}

.page-contact .partner-card h3 {
  margin: 0;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-contact .partner-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--grid);
}

.page-contact .business-tip {
  margin: var(--contact-gap) 0 0;
  padding: 16px 18px;
  border-left: 3px solid var(--amber);
  background: rgba(255, 200, 87, 0.07);
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--white);
}

.page-contact .business-tip code {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--amber);
  background: rgba(255, 200, 87, 0.13);
  padding: 2px 7px;
  border-radius: var(--radius);
  overflow-wrap: anywhere;
}

/* ---------- 地址与备案 ---------- */
.page-contact .contact-records {
  background: var(--cream);
  color: var(--ink);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.page-contact .contact-records h2 {
  margin: 0 0 8px;
  font-size: clamp(22px, 3.2vw, 32px);
  letter-spacing: -0.025em;
  color: var(--ink);
}

.page-contact .records-note {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink);
  opacity: 0.72;
}

.page-contact .records-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: clamp(18px, 2.6vw, 28px);
}

.page-contact .record-item {
  padding: 16px 18px;
  border: 1px solid rgba(28, 23, 18, 0.3);
  background: rgba(255, 255, 255, 0.42);
  border-radius: var(--radius);
}

.page-contact .record-key {
  display: block;
  margin-bottom: 7px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink);
  opacity: 0.62;
}

.page-contact .record-val {
  display: block;
  font-size: clamp(14.5px, 1.8vw, 16.5px);
  line-height: 1.6;
  color: var(--ink);
  overflow-wrap: anywhere;
  -webkit-user-select: all;
  user-select: all;
}

.page-contact .record-val--mono {
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.9vw, 18px);
}

/* ---------- 检查清单 ---------- */
.page-contact .contact-checklist {
  background-image:
    radial-gradient(90% 70% at 12% 0%, rgba(61, 220, 132, 0.10), transparent 60%);
  border-bottom: 1px solid var(--line);
}

.page-contact .checklist-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 44px);
  align-items: center;
}

.page-contact .contact-checklist h2 {
  margin: 10px 0 0;
  font-size: clamp(24px, 3.6vw, 36px);
  line-height: 1.14;
  letter-spacing: -0.025em;
  color: var(--white);
}

.page-contact .checklist-lede {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--grid);
}

.page-contact .check-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-contact .check-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 13px 15px;
  background: var(--console);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-contact .check-box {
  appearance: none;
  -webkit-appearance: none;
  flex: none;
  position: relative;
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  border: 1px solid var(--line-strong);
  background: transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.16s ease, border-color 0.16s ease;
}

.page-contact .check-box:hover {
  border-color: var(--green);
}

.page-contact .check-box:checked {
  background: var(--green);
  border-color: var(--green);
}

.page-contact .check-box:checked::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 2px;
  width: 5px;
  height: 10px;
  border: solid #06240f;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.page-contact .check-box:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-contact .check-label {
  font-size: 14.5px;
  line-height: 1.66;
  color: var(--white);
  cursor: pointer;
}

.page-contact .check-num {
  display: inline-block;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--signal);
}

.page-contact .checklist-media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--console);
}

.page-contact .checklist-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 5 / 3;
  object-fit: cover;
}

/* ---------- 相关入口 ---------- */
.page-contact .contact-links {
  border-top: 1px solid var(--line);
}

.page-contact .link-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-contact .link-row {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 16px 44px 16px 18px;
  background: var(--console);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--white);
  text-decoration: none;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.page-contact .link-row:hover {
  border-color: var(--signal);
  transform: translateX(2px);
}

.page-contact .link-row:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-contact .link-row strong {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-contact .link-desc {
  font-size: 13.5px;
  line-height: 1.62;
  color: var(--grid);
}

.page-contact .link-arrow {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--signal);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-contact .check-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-contact .partner-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .records-grid {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
  }

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

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: clamp(26px, 4vw, 56px);
  }

  .page-contact .hero-panels {
    grid-template-columns: minmax(0, 0.84fr) minmax(0, 1.16fr);
    align-items: start;
  }

  .page-contact .checklist-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  }
}

@media (min-width: 1100px) {
  .page-contact .check-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-mail {
    letter-spacing: -0.02em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-dot {
    animation: none;
  }

  .page-contact .tab,
  .page-contact .link-row,
  .page-contact .partner-card,
  .page-contact .check-box {
    transition: none;
  }

  .page-contact .link-row:hover {
    transform: none;
  }
}