.page-contact {
  --ct-shadow: 0 24px 54px rgba(0, 0, 0, 0.4);
  --ct-hero-grid: linear-gradient(120deg, rgba(0, 229, 255, 0.1), transparent 40%);
  background: var(--bg-deep);
  color: var(--text-pure);
  min-height: 100vh;
}

/* ========== 首屏 ========== */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  padding: 24px 0 44px;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    repeating-linear-gradient(135deg, transparent 0 16px, rgba(0, 229, 255, 0.02) 16px 34px),
    radial-gradient(70% 55% at 82% 8%, rgba(182, 255, 46, 0.12), transparent 60%),
    radial-gradient(60% 70% at 12% 80%, rgba(0, 229, 255, 0.07), transparent 55%),
    linear-gradient(180deg, rgba(10, 14, 26, 0.6), var(--bg-deep));
  border-bottom: 1px solid var(--grid-line);
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

.page-contact .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.page-contact .breadcrumb a {
  color: var(--electric-blue);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-contact .breadcrumb a:hover {
  color: var(--neon-green);
}

.page-contact .breadcrumb__sep {
  color: var(--text-muted);
  opacity: 0.5;
}

.page-contact .contact-hero__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(30px, 5.4vw, 56px);
  line-height: 1.05;
  letter-spacing: 0.5px;
  color: var(--text-pure);
  text-wrap: balance;
}

.page-contact .contact-hero__lead {
  margin: 0 0 26px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-muted);
  max-width: 640px;
}

.page-contact .contact-hero__mailbox {
  margin: 0 0 22px;
  padding: 20px 22px;
  background: linear-gradient(160deg, var(--bg-elevated), var(--bg-panel));
  border: 1px solid var(--grid-line);
  border-left: 4px solid var(--neon-green);
  border-radius: var(--radius-md);
  box-shadow: var(--ct-shadow);
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
  overflow: hidden;
}

.page-contact .contact-hero__mailbox::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: 80px;
  height: 100%;
  background: linear-gradient(100deg, transparent, rgba(182, 255, 46, 0.08), transparent);
  transform: translateX(60px);
  pointer-events: none;
}

.page-contact .contact-hero__mail-label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--neon-green);
}

.page-contact .contact-hero__mail {
  font-family: var(--font-numeric);
  font-size: clamp(19px, 3.4vw, 32px);
  font-weight: 700;
  letter-spacing: 0.5px;
  line-height: 1.3;
  color: var(--text-pure);
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: color 0.2s ease;
}

.page-contact .contact-hero__mail:hover {
  color: var(--neon-green);
}

.page-contact .contact-hero__mail-note {
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--text-muted);
}

.page-contact .contact-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .contact-hero__visual {
  position: relative;
}

.page-contact .contact-hero__visual-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--grid-line);
  background: var(--bg-panel);
  clip-path: polygon(0 4%, 100% 0, 96% 100%, 4% 96%);
  box-shadow: var(--ct-shadow);
}

.page-contact .contact-hero__visual-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.14), transparent 45%);
  pointer-events: none;
  z-index: 1;
}

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

/* ========== 直接联系 ========== */
.page-contact .contact-channels {
  padding: 52px 0 18px;
}

.page-contact .contact-channels__intro {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 26px;
}

.page-contact .contact-channels__intro h2,
.page-contact .contact-map h2,
.page-contact .contact-response__head h2,
.page-contact .contact-faq__head h2,
.page-contact .contact-matchups__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.4vw, 36px);
  line-height: 1.2;
  letter-spacing: 0.5px;
  color: var(--text-pure);
}

.page-contact .contact-channels__intro p,
.page-contact .contact-response__head p,
.page-contact .contact-faq__head p,
.page-contact .contact-matchups__head p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-contact .contact-channels__note {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
  background: rgba(255, 138, 0, 0.08);
  border: 1px solid rgba(255, 138, 0, 0.2);
  border-radius: 999px;
  padding: 6px 14px;
  width: fit-content;
}

.page-contact .contact-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .contact-card {
  background: linear-gradient(170deg, var(--bg-elevated), var(--bg-panel));
  border: 1px solid var(--grid-line);
  border-radius: var(--radius-lg);
  padding: 22px;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--electric-blue), var(--neon-green));
  opacity: 0.7;
}

.page-contact .contact-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 255, 0.35);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.35), var(--glow-success);
}

.page-contact .contact-card__top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.page-contact .contact-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: rgba(0, 229, 255, 0.1);
  border: 1px solid rgba(0, 229, 255, 0.25);
  color: var(--electric-blue);
  font-family: var(--font-numeric);
  font-size: 14px;
  font-weight: 700;
}

.page-contact .contact-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  letter-spacing: 0.5px;
  color: var(--text-pure);
}

.page-contact .contact-card__mail,
.page-contact .contact-card__phone {
  display: inline-block;
  margin: 6px 0 12px;
  font-family: var(--font-numeric);
  font-size: clamp(16px, 2.4vw, 21px);
  font-weight: 700;
  color: var(--text-pure);
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: color 0.2s ease;
}

.page-contact .contact-card__mail:hover,
.page-contact .contact-card__phone:hover {
  color: var(--neon-green);
}

.page-contact .contact-card__addr {
  margin: 6px 0 12px;
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-pure);
}

.page-contact .contact-card__desc {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-muted);
}

.page-contact .contact-card__tip {
  margin-top: auto;
  border-top: 1px dashed var(--grid-line);
  padding-top: 10px;
}

.page-contact .contact-card__tip summary {
  cursor: pointer;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--electric-blue);
  transition: color 0.2s ease;
}

.page-contact .contact-card__tip summary::-webkit-details-marker {
  display: none;
}

.page-contact .contact-card__tip summary::before {
  content: "+";
  font-family: var(--font-numeric);
  font-size: 15px;
  line-height: 1;
  color: var(--neon-green);
  transform: translateY(-1px);
}

.page-contact .contact-card__tip[open] summary::before {
  content: "–";
}

.page-contact .contact-card__tip summary:hover {
  color: var(--neon-green);
}

.page-contact .contact-card__tip p {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-muted);
  background: rgba(182, 255, 46, 0.04);
  border-left: 2px solid var(--neon-green);
  padding: 8px 12px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* ========== 地图与方位 ========== */
.page-contact .contact-map {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding: 44px 0 12px;
}

.page-contact .contact-map__info p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-muted);
  margin: 10px 0 18px;
}

.page-contact .contact-map__steps {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-contact .contact-map__steps li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 14px;
  color: var(--text-pure);
  background: var(--bg-panel);
  border: 1px solid var(--grid-line);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  line-height: 1.6;
}

.page-contact .contact-map__steps span {
  font-family: var(--font-numeric);
  font-size: 12px;
  font-weight: 700;
  color: var(--neon-green);
}

.page-contact .contact-map__hint {
  display: inline-block;
  font-size: 12px;
  color: var(--warm-orange);
  background: rgba(255, 138, 0, 0.07);
  border: 1px solid rgba(255, 138, 0, 0.18);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
}

.page-contact .contact-map__figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--grid-line);
  background: var(--bg-panel);
  clip-path: polygon(4% 0, 100% 0, 96% 100%, 0 92%);
  box-shadow: var(--ct-shadow);
  position: relative;
}

.page-contact .contact-map__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(215deg, rgba(0, 229, 255, 0.1), transparent 45%);
  pointer-events: none;
}

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

.page-contact .contact-map__figure figcaption {
  position: absolute;
  bottom: 14px;
  left: 16px;
  z-index: 1;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--electric-blue);
  background: rgba(10, 14, 26, 0.72);
  border: 1px solid var(--grid-line);
  border-radius: 999px;
  padding: 5px 12px;
}

/* ========== 回复时效 ========== */
.page-contact .contact-response {
  padding: 48px 0 18px;
}

.page-contact .contact-response__head {
  margin-bottom: 24px;
}

.page-contact .contact-response__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .response-cell {
  background: var(--bg-panel);
  border: 1px solid var(--grid-line);
  border-radius: var(--radius-md);
  padding: 20px 18px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.page-contact .response-cell::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--warm-orange);
}

.page-contact .response-cell:hover {
  border-color: rgba(0, 229, 255, 0.3);
}

.page-contact .response-cell__label {
  display: block;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.page-contact .response-cell__value {
  display: block;
  font-family: var(--font-numeric);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--neon-green);
  margin-bottom: 8px;
}

.page-contact .response-cell p {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-muted);
}

/* ========== 常见问题 ========== */
.page-contact .contact-faq {
  padding: 44px 0 18px;
}

.page-contact .contact-faq__head {
  margin-bottom: 22px;
}

.page-contact .contact-faq__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-contact .contact-faq__list li {
  background: var(--bg-panel);
  border: 1px solid var(--grid-line);
  border-radius: var(--radius-sm);
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-contact .contact-faq__list li:hover {
  transform: translateX(4px);
  border-color: rgba(182, 255, 46, 0.35);
  background: var(--bg-elevated);
}

.page-contact .contact-faq__list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--text-pure);
  text-decoration: none;
}

.page-contact .contact-faq__list a::before {
  content: counter(faq-num);
  counter-increment: faq-num;
  flex: 0 0 auto;
  font-family: var(--font-numeric);
  font-size: 12px;
  font-weight: 700;
  color: var(--electric-blue);
  background: rgba(0, 229, 255, 0.08);
  border-radius: 6px;
  padding: 4px 7px;
}

.page-contact .contact-faq__list a::after {
  content: "→";
  flex: 0 0 auto;
  font-family: var(--font-numeric);
  color: var(--neon-green);
  opacity: 0.7;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.page-contact .contact-faq__list a:hover::after {
  transform: translateX(4px);
  opacity: 1;
}

.page-contact .contact-faq__list {
  counter-reset: faq-num;
}

/* ========== 历史交锋 ========== */
.page-contact .contact-matchups {
  padding: 44px 0 18px;
}

.page-contact .contact-matchups__head {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 22px;
}

.page-contact .contact-matchups__total {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-numeric);
  font-size: 26px;
  font-weight: 700;
  color: var(--neon-green);
  background: rgba(182, 255, 46, 0.08);
  border: 1px solid rgba(182, 255, 46, 0.24);
  border-radius: 16px;
  padding: 8px 16px;
  width: fit-content;
}

.page-contact .contact-matchups__block {
  background: linear-gradient(170deg, var(--bg-elevated), var(--bg-panel));
  border: 1px solid var(--grid-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--ct-shadow);
}

.page-contact .contact-matchups__toggle {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 20px;
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: 0.5px;
  color: var(--text-pure);
  background: transparent;
  transition: background 0.2s ease;
}

.page-contact .contact-matchups__toggle::-webkit-details-marker {
  display: none;
}

.page-contact .contact-matchups__toggle::after {
  content: "+";
  font-family: var(--font-numeric);
  font-size: 22px;
  line-height: 1;
  color: var(--electric-blue);
  transition: transform 0.2s ease;
}

.page-contact .contact-matchups__block[open] .contact-matchups__toggle::after {
  transform: rotate(45deg);
}

.page-contact .contact-matchups__toggle:hover {
  background: rgba(0, 229, 255, 0.04);
}

.page-contact .contact-matchups__tag {
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--warm-orange);
  border: 1px solid rgba(255, 138, 0, 0.3);
  border-radius: 999px;
  padding: 3px 10px;
  white-space: nowrap;
}

.page-contact .contact-matchups__table-wrap {
  overflow-x: auto;
  border-top: 1px solid var(--grid-line);
}

.page-contact .contact-matchups__table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-body);
  font-size: 14px;
  min-width: 480px;
}

.page-contact .contact-matchups__table th,
.page-contact .contact-matchups__table td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--grid-line);
  white-space: nowrap;
}

.page-contact .contact-matchups__table th {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  background: rgba(0, 229, 255, 0.04);
}

.page-contact .contact-matchups__table td:nth-child(3) {
  font-family: var(--font-numeric);
  font-weight: 700;
  color: var(--neon-green);
}

.page-contact .contact-matchups__table td {
  color: var(--text-pure);
}

.page-contact .contact-matchups__table tbody tr:last-child td {
  border-bottom: none;
}

.page-contact .contact-matchups__table tbody tr:hover {
  background: rgba(182, 255, 46, 0.04);
}

/* ========== 页脚声明 ========== */
.page-contact .contact-legal {
  margin-top: 40px;
  padding: 20px 22px;
  border: 1px solid var(--grid-line);
  border-radius: var(--radius-md);
  background: rgba(18, 26, 43, 0.6);
}

.page-contact .contact-legal p {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-muted);
}

.page-contact .contact-legal a {
  color: var(--electric-blue);
  text-decoration: none;
  border-bottom: 1px dashed rgba(0, 229, 255, 0.4);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-contact .contact-legal a:hover {
  color: var(--neon-green);
  border-color: var(--neon-green);
}

/* ========== 桌面端增强 ========== */
@media (min-width: 680px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 18px;
  }

  .page-contact .contact-response__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }

  .page-contact .contact-faq__list {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .page-contact .contact-matchups__head {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
  }

  .page-contact .contact-hero__title {
    font-size: clamp(40px, 4vw, 58px);
  }

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

  .page-contact .contact-hero__mailbox {
    padding: 26px 28px;
  }

  .page-contact .contact-channels__intro {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
  }

  .page-contact .contact-channels__intro p {
    max-width: 66%;
  }

  .page-contact .contact-map {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 48px;
    align-items: center;
  }

  .page-contact .contact-map__figure img {
    max-height: 420px;
    object-fit: cover;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card,
  .page-contact .contact-faq__list li,
  .page-contact .contact-hero__mail,
  .page-contact .contact-hero__mailbox::after {
    transition: none;
  }
}