/* ===== 联系入口页专属样式 ===== */
.page-contact {
  --contact-glow: 0 0 18px rgba(0, 255, 156, 0.25);
  --contact-glow-ice: 0 0 14px rgba(0, 212, 255, 0.22);
  background: var(--stk-bg);
  color: var(--stk-ink);
  font-family: var(--stk-font);
  overflow-x: hidden;
}

/* 面包屑 */
.page-contact .contact-breadcrumb {
  padding-top: 18px;
}

.page-contact .contact-breadcrumb a {
  color: var(--stk-muted);
  text-decoration: none;
  transition: color 200ms ease;
}

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

.page-contact .contact-breadcrumb [aria-current="page"] {
  color: var(--stk-ink);
  font-weight: 600;
}

.page-contact .contact-breadcrumb__sep {
  color: var(--stk-line);
  margin: 0 6px;
}

/* ===== Hero ===== */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(28px, 5vw, 64px) 0 clamp(36px, 6vw, 80px);
}

.page-contact .contact-hero .stk-container {
  position: relative;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 44%;
  height: 100%;
  background: linear-gradient(115deg, transparent 0%, rgba(17, 26, 61, 0.55) 70%);
  clip-path: polygon(18% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: 7%;
  bottom: 24px;
  width: 56px;
  height: 56px;
  border-right: 2px solid var(--stk-neon);
  border-bottom: 2px solid var(--stk-neon);
  opacity: 0.45;
  transform: skewX(-16deg);
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__eyebrow {
  font-family: var(--stk-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--stk-neon);
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
}

.page-contact .contact-hero__eyebrow::before {
  content: "";
  width: 32px;
  height: 2px;
  background: var(--stk-neon);
  display: inline-block;
}

.page-contact .contact-hero h1 {
  font-size: clamp(38px, 6.5vw, 76px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
}

.page-contact .contact-hero__subtitle {
  font-family: var(--stk-mono);
  font-size: clamp(14px, 1.8vw, 21px);
  color: var(--stk-ice);
  letter-spacing: 0.08em;
  margin: 0 0 20px;
}

.page-contact .contact-hero__desc {
  max-width: 36em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--stk-muted);
  margin: 0 0 28px;
}

.page-contact .contact-hero__terminal {
  font-family: var(--stk-mono);
  font-size: 12px;
  line-height: 1.8;
  color: var(--stk-muted);
  border-left: 2px solid var(--stk-line);
  padding-left: 14px;
  margin-top: 8px;
}

.page-contact .contact-hero__terminal p {
  margin: 0;
}

.page-contact .contact-hero__terminal p:first-child {
  color: var(--stk-neon);
}

/* ===== 联系方式 ===== */
.page-contact .contact-channels {
  background: var(--stk-bg-raised);
  border-top: 1px solid var(--stk-line);
  border-bottom: 1px solid var(--stk-line);
  padding: clamp(32px, 5vw, 64px) 0;
}

.page-contact .contact-channels__top {
  margin-bottom: 28px;
}

.page-contact .contact-channels__index,
.page-contact .contact-response__index,
.page-contact .contact-scenarios__index {
  font-family: var(--stk-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--stk-neon);
  text-transform: uppercase;
  margin: 0 0 8px;
}

.page-contact .contact-channels__top h2,
.page-contact .contact-response__main h2,
.page-contact .contact-scenarios__top h2 {
  font-size: clamp(28px, 3.6vw, 42px);
  font-weight: 800;
  line-height: 1.1;
  margin: 0 0 10px;
}

.page-contact .contact-channels__lead,
.page-contact .contact-scenarios__lead {
  font-size: 15px;
  line-height: 1.6;
  color: var(--stk-muted);
  margin: 0;
}

.page-contact .contact-channels__wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-contact .contact-channels__list {
  display: flex;
  flex-direction: column;
}

.page-contact .contact-channel {
  padding: 24px 0;
  border-bottom: 1px solid var(--stk-line);
}

.page-contact .contact-channel:first-child {
  padding-top: 0;
}

.page-contact .contact-channel:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-contact .contact-channel__code {
  font-family: var(--stk-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--stk-neon);
  margin: 0 0 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-contact .contact-channel__code::before {
  content: "";
  width: 6px;
  height: 6px;
  background: currentColor;
  display: inline-block;
}

.page-contact .contact-channel__value {
  font-family: var(--stk-mono);
  font-size: clamp(20px, 3.2vw, 32px);
  font-weight: 700;
  color: var(--stk-ink);
  text-decoration: none;
  display: inline-block;
  line-height: 1.3;
  word-break: break-all;
  overflow-wrap: anywhere;
  transition: color 200ms ease, text-shadow 200ms ease;
}

.page-contact .contact-channel__value:hover {
  color: var(--stk-neon);
  text-shadow: var(--contact-glow);
}

.page-contact .contact-channel__address {
  font-family: var(--stk-mono);
  font-size: clamp(18px, 2.8vw, 28px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--stk-ink);
  margin: 0;
}

.page-contact .contact-channel__note {
  font-size: 13px;
  line-height: 1.6;
  color: var(--stk-muted);
  margin: 10px 0 0;
}

.page-contact .contact-channel__go {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--stk-ice);
  text-decoration: none;
  letter-spacing: 0.04em;
  transition: color 200ms ease;
}

.page-contact .contact-channel__go:hover {
  color: var(--stk-neon);
}

.page-contact .contact-channel__go span {
  transition: transform 200ms ease;
}

.page-contact .contact-channel__go:hover span {
  transform: translateX(4px);
}

/* 地图 */
.page-contact .contact-channels__map {
  position: relative;
  align-self: start;
}

.page-contact .contact-map {
  position: relative;
  overflow: hidden;
  background: var(--stk-bg);
  border: 1px solid var(--stk-line);
}

.page-contact .contact-map__grid {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.12) 1px, transparent 1px);
  background-size: 32px 32px;
  mix-blend-mode: screen;
}

.page-contact .contact-map__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  opacity: 0.75;
}

.page-contact .contact-map__pin {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 3;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.page-contact .contact-map__pulse {
  display: block;
  width: 18px;
  height: 18px;
  background: var(--stk-neon);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(0, 255, 156, 0.5);
  animation: contactPinPulse 2s infinite;
}

.page-contact .contact-map__label {
  font-family: var(--stk-mono);
  font-size: 12px;
  color: var(--stk-ink);
  background: rgba(11, 16, 38, 0.85);
  border: 1px solid var(--stk-line);
  padding: 4px 8px;
  text-align: center;
  white-space: nowrap;
}

/* ===== 响应承诺 ===== */
.page-contact .contact-response {
  padding: clamp(32px, 5vw, 64px) 0;
  background: var(--stk-bg);
  position: relative;
}

.page-contact .contact-response::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(to bottom, var(--stk-neon) 0%, var(--stk-ice) 100%);
  opacity: 0.6;
}

.page-contact .contact-response__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: center;
}

.page-contact .contact-response__main {
  max-width: none;
}

.page-contact .contact-response__main h2 {
  margin-bottom: 18px;
}

.page-contact .contact-response__list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}

.page-contact .contact-response__list li {
  position: relative;
  padding: 12px 0 12px 28px;
  font-size: 15px;
  line-height: 1.6;
  border-bottom: 1px dashed var(--stk-line);
  color: var(--stk-ink);
}

.page-contact .contact-response__list li:last-child {
  border-bottom: none;
}

.page-contact .contact-response__dot {
  position: absolute;
  left: 0;
  top: 19px;
  width: 8px;
  height: 8px;
  background: var(--stk-neon);
  display: inline-block;
}

.page-contact .contact-response__footnote {
  font-size: 13px;
  line-height: 1.7;
  color: var(--stk-muted);
  margin: 0;
  max-width: 44em;
}

.page-contact .contact-response__figure {
  margin: 0;
  position: relative;
}

.page-contact .contact-response__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border: 1px solid var(--stk-line);
  transform: rotate(0.4deg);
}

.page-contact .contact-response__figure figcaption {
  font-family: var(--stk-mono);
  font-size: 12px;
  color: var(--stk-muted);
  margin-top: 10px;
  letter-spacing: 0.04em;
}

/* ===== 常见联系场景 ===== */
.page-contact .contact-scenarios {
  padding: clamp(32px, 5vw, 64px) 0;
  background: var(--stk-bg-raised);
  border-top: 1px solid var(--stk-line);
}

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

.page-contact .contact-scenarios__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-contact .contact-scenario {
  background: rgba(11, 16, 38, 0.6);
  border: 1px solid var(--stk-line);
  transition: border-color 200ms ease;
}

.page-contact .contact-scenario[open] {
  border-color: rgba(0, 255, 156, 0.4);
}

.page-contact .contact-scenario__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background-color 200ms ease;
}

.page-contact .contact-scenario__head:hover {
  background: rgba(17, 26, 61, 0.5);
}

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

.page-contact .contact-scenario summary:focus-visible {
  outline: 2px solid var(--stk-neon);
  outline-offset: -2px;
}

.page-contact .contact-scenario__code {
  font-family: var(--stk-mono);
  font-size: 12px;
  color: var(--stk-neon);
  flex: 0 0 auto;
}

.page-contact .contact-scenario__title {
  flex: 1 1 auto;
  min-width: 0;
  order: 3;
  flex-basis: 100%;
  font-size: 17px;
  font-weight: 800;
  color: var(--stk-ink);
  letter-spacing: 0.01em;
}

.page-contact .contact-scenario__badge {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--stk-bg);
  background: var(--stk-orange);
  padding: 3px 10px;
  margin-left: auto;
  flex: 0 0 auto;
}

.page-contact .contact-scenario:nth-of-type(2) .contact-scenario__badge {
  background: var(--stk-ice);
}

.page-contact .contact-scenario:nth-of-type(3) .contact-scenario__badge {
  background: var(--stk-neon);
}

.page-contact .contact-scenario__body {
  padding: 0 20px 20px;
  border-top: 1px solid var(--stk-line);
}

.page-contact .contact-scenario__body p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--stk-muted);
  margin: 12px 0 16px;
}

.page-contact .contact-scenario__body .stk-btn {
  font-size: 13px;
  display: inline-flex;
}

@keyframes contactPinPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(0, 255, 156, 0.5);
  }
  70% {
    box-shadow: 0 0 0 18px rgba(0, 255, 156, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(0, 255, 156, 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-map__pulse {
    animation: none;
  }
  .page-contact .contact-channel__go span {
    transition: none;
  }
}

/* ===== 平板及以上 ===== */
@media (min-width: 768px) {
  .page-contact .contact-hero__inner {
    max-width: 62%;
  }

  .page-contact .contact-hero__terminal {
    position: absolute;
    right: 0;
    bottom: 40px;
    width: 30%;
    margin: 0;
  }

  .page-contact .contact-channels__top {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
  }

  .page-contact .contact-channels__top h2,
  .page-contact .contact-scenarios__top h2 {
    margin-bottom: 0;
  }

  .page-contact .contact-channels__lead {
    max-width: 360px;
    text-align: right;
  }

  .page-contact .contact-channels__wrap {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(32px, 4vw, 56px);
  }

  .page-contact .contact-channel__value {
    font-size: clamp(22px, 2.6vw, 36px);
  }

  .page-contact .contact-channel__address {
    font-size: clamp(20px, 2.4vw, 30px);
  }

  .page-contact .contact-response__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .page-contact .contact-scenarios__lead {
    max-width: 360px;
    text-align: right;
  }

  .page-contact .contact-scenarios__top {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
  }
}

/* ===== 桌面 ===== */
@media (min-width: 1024px) {
  .page-contact .contact-hero {
    padding-bottom: clamp(48px, 7vw, 96px);
  }

  .page-contact .contact-hero h1 {
    font-size: clamp(56px, 6vw, 88px);
  }

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

  .page-contact .contact-hero__terminal {
    font-size: 13px;
    width: 26%;
  }

  .page-contact .contact-scenarios__list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    align-items: start;
  }

  .page-contact .contact-scenario__head {
    min-height: 92px;
  }

  .page-contact .contact-scenario__title {
    font-size: 18px;
  }

  .page-contact .contact-scenario__body {
    padding-top: 0;
  }

  .page-contact .contact-scenario__body p {
    font-size: 14px;
  }
}