/* ==========================================================
   联系入口页 · page-contact
   移动端优先，桌面端增强
   ========================================================== */

.page-contact {
  padding-bottom: 72px;
  --channel-acc: var(--c-accent);
}

.page-contact .container {
  padding-inline: var(--gutter);
}

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

/* ---------- Hero ---------- */

.page-contact .contact-hero {
  padding-top: 18px;
  padding-bottom: 6px;
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 22px;
}

.page-contact .contact-hero__content {
  position: relative;
  z-index: 2;
  padding-top: 4px;
}

.page-contact .contact-hero__meta {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  color: var(--c-accent);
  margin: 0 0 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-contact .contact-hero__meta::before {
  content: "";
  display: inline-block;
  width: 26px;
  height: 2px;
  background: var(--c-accent);
  transform: skewX(-30deg);
}

.page-contact .contact-hero__title {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-size: clamp(2.125rem, 6vw, 3.625rem);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.02em;
  transform: skewX(-4deg);
  transform-origin: 0 50%;
  color: var(--c-text);
}

.page-contact .contact-hero__lead {
  margin: 0;
  max-width: 60ch;
  color: var(--c-text-dim);
  font-size: 0.9375rem;
  line-height: 1.85;
}

.page-contact .contact-hero__lead strong {
  color: var(--c-accent);
  font-weight: 700;
}

.page-contact .contact-hero__quick {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .contact-hero__media {
  position: relative;
  aspect-ratio: 16 / 9;
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
  background: linear-gradient(135deg, rgba(0, 229, 160, 0.12) 0%, rgba(11, 27, 58, 0.35) 55%), var(--c-panel);
  overflow: hidden;
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.88;
}

/* ---------- 渠道板块 ---------- */

.page-contact .contact-channels {
  padding-top: 48px;
}

.page-contact .contact-channels__head {
  margin-bottom: 28px;
  display: grid;
  gap: 10px;
}

.page-contact .contact-channels__head .section-title {
  margin: 4px 0 0;
  font-size: clamp(1.5rem, 3.6vw, 2.375rem);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.2;
  transform: skewX(-3deg);
  transform-origin: 0 50%;
}

.page-contact .contact-channels__note {
  margin: 0;
  color: var(--c-text-dim);
  font-size: 0.875rem;
  line-height: 1.6;
  max-width: 46ch;
}

.page-contact .contact-channels__stack {
  position: relative;
  display: grid;
  gap: 16px;
}

.page-contact .contact-channels__stack::before {
  content: "";
  position: absolute;
  top: 34px;
  bottom: 34px;
  left: 26px;
  width: 1px;
  background: linear-gradient(to bottom, var(--c-accent) 0%, var(--c-hot) 50%, var(--c-warn) 100%);
  opacity: 0.28;
  pointer-events: none;
}

/* ---------- 渠道通道面板 ---------- */

.page-contact .contact-channel {
  position: relative;
  overflow: hidden;
  padding: 52px 20px 42px;
  --channel-acc: var(--c-accent);
  transition: box-shadow 0.28s ease, transform 0.28s ease;
}

.page-contact .contact-channel:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.page-contact .contact-channel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--channel-acc) 0%, transparent 72%);
  z-index: 1;
}

.page-contact .contact-channel--phone {
  --channel-acc: var(--c-hot);
}

.page-contact .contact-channel--address {
  --channel-acc: var(--c-warn);
}

.page-contact .contact-channel__index {
  position: absolute;
  top: 20px;
  right: 18px;
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--channel-acc);
  opacity: 0.22;
  letter-spacing: -0.04em;
  pointer-events: none;
}

.page-contact .contact-channel__status {
  position: absolute;
  top: 20px;
  left: 18px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  letter-spacing: 0.07em;
  color: var(--c-text-dim);
}

.page-contact .contact-channel__status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--channel-acc);
  box-shadow: 0 0 8px var(--channel-acc);
}

.page-contact .contact-channel__inner {
  display: grid;
  gap: 18px;
}

.page-contact .contact-channel__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 1.375rem;
  font-weight: 900;
  color: var(--c-text);
  letter-spacing: -0.01em;
  transform: skewX(-3deg);
  transform-origin: 0 50%;
}

.page-contact .contact-channel__desc {
  margin: 0;
  color: var(--c-text-dim);
  font-size: 0.875rem;
  line-height: 1.8;
}

.page-contact .contact-channel__desc a {
  color: var(--channel-acc);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.page-contact .contact-channel__desc a:hover {
  border-bottom-color: var(--channel-acc);
}

.page-contact .contact-channel__values {
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
  background: rgba(5, 14, 32, 0.55);
  border: 1px solid var(--c-line);
  padding: 16px 14px 16px 20px;
  transform: skewX(-2deg);
}

.page-contact .contact-channel__values::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--channel-acc);
  opacity: 0.85;
}

.page-contact .contact-channel__values a,
.page-contact .contact-channel__values--address span {
  font-family: var(--font-mono);
  font-size: clamp(0.9375rem, 2.8vw, 1.5rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.5;
  color: var(--c-text);
  text-decoration: none;
  padding: 2px 6px;
  border: 1px solid transparent;
  overflow-wrap: anywhere;
  transition: color 0.22s ease, background-color 0.22s ease, border-color 0.22s ease, transform 0.22s ease;
}

.page-contact .contact-channel--mail .contact-channel__values a:hover {
  color: var(--c-accent);
  background: rgba(0, 229, 160, 0.08);
  border-color: rgba(0, 229, 160, 0.45);
  transform: translateX(4px);
}

.page-contact .contact-channel--phone .contact-channel__values a:hover {
  color: var(--c-hot);
  background: rgba(255, 107, 53, 0.08);
  border-color: rgba(255, 107, 53, 0.45);
  transform: translateX(4px);
}

.page-contact .contact-channel--address .contact-channel__values--address span {
  color: var(--c-warn);
  cursor: default;
  border-color: transparent;
  background: transparent;
}

.page-contact .contact-channel__wave {
  position: absolute;
  right: 16px;
  bottom: 12px;
  width: 180px;
  height: 52px;
  color: var(--channel-acc);
  opacity: 0.38;
  pointer-events: none;
}

/* ---------- 响应时间 ---------- */

.page-contact .contact-response {
  padding-top: 48px;
}

.page-contact .contact-response__panel {
  display: grid;
  overflow: hidden;
}

.page-contact .contact-response__media {
  min-height: 0;
}

.page-contact .contact-response__media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 170px;
  object-fit: cover;
}

.page-contact .contact-response__content {
  padding: 24px 20px 28px;
}

.page-contact .contact-response__title {
  margin: 6px 0 12px;
  font-size: clamp(1.5rem, 3.4vw, 2.25rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.01em;
  transform: skewX(-3deg);
  transform-origin: 0 50%;
  color: var(--c-text);
}

.page-contact .contact-response__desc {
  margin: 0 0 4px;
  color: var(--c-text-dim);
  font-size: 0.9375rem;
  line-height: 1.8;
  max-width: 60ch;
}

.page-contact .contact-response__desc a {
  color: var(--c-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.page-contact .contact-response__desc a:hover {
  border-bottom-color: var(--c-accent);
}

.page-contact .contact-response__desc .font-mono {
  color: var(--c-accent);
  font-weight: 700;
}

.page-contact .contact-response__steps {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .contact-response__steps li {
  background: rgba(11, 27, 58, 0.38);
  border-left: 3px solid var(--c-accent);
  padding: 10px 12px;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--c-text-dim);
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-contact .contact-response__step-num {
  font-size: 0.75rem;
  color: var(--c-accent);
  letter-spacing: 0.06em;
}

/* ---------- 常见问题快捷入口 ---------- */

.page-contact .contact-faq {
  padding-top: 48px;
}

.page-contact .contact-faq__inner {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 26px 20px;
}

.page-contact .contact-faq__title {
  margin: 6px 0 10px;
  font-size: clamp(1.375rem, 3.2vw, 2rem);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.01em;
  transform: skewX(-3deg);
  transform-origin: 0 50%;
  color: var(--c-text);
}

.page-contact .contact-faq__content p {
  margin: 0;
  color: var(--c-text-dim);
  font-size: 0.875rem;
  line-height: 1.8;
  max-width: 56ch;
}

.page-contact .contact-faq__content strong {
  color: var(--c-accent);
  font-weight: 700;
}

.page-contact .contact-faq__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

/* ---------- 桌面端增强 ---------- */

@media (min-width: 640px) {
  .page-contact .contact-response__steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }

  .page-contact .contact-response__steps li {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .page-contact .contact-channel__values {
    padding: 20px 18px 20px 24px;
  }

  .page-contact .contact-channel__wave {
    width: 220px;
    height: 60px;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-hero {
    padding-top: 28px;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 40px;
    align-items: center;
  }

  .page-contact .contact-hero__title {
    font-size: clamp(2.75rem, 4.6vw, 4rem);
  }

  .page-contact .contact-hero__lead {
    font-size: 1rem;
  }

  .page-contact .contact-channels__head {
    grid-template-columns: 1fr auto;
    align-items: end;
    gap: 30px;
  }

  .page-contact .contact-channels__note {
    text-align: right;
  }

  .page-contact .contact-channel {
    padding: 36px 34px 40px;
  }

  .page-contact .contact-channel__inner {
    grid-template-columns: minmax(0, 40%) minmax(0, 60%);
    align-items: center;
    gap: 44px;
  }

  .page-contact .contact-channel__index {
    top: 22px;
    right: 28px;
    font-size: 3.5rem;
  }

  .page-contact .contact-channel__status {
    top: 22px;
    left: 26px;
  }

  .page-contact .contact-channel__values {
    padding: 26px 24px 26px 30px;
    gap: 14px;
  }

  .page-contact .contact-channel__values a,
  .page-contact .contact-channel__values--address span {
    font-size: clamp(1.25rem, 1.8vw, 1.875rem);
  }

  .page-contact .contact-response__panel {
    grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
  }

  .page-contact .contact-response__media {
    min-height: 320px;
  }

  .page-contact .contact-response__content {
    padding: 36px 34px 36px;
  }

  .page-contact .contact-faq__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    padding: 34px 36px;
  }

  .page-contact .contact-faq__content {
    flex: 1;
  }

  .page-contact .contact-faq__actions {
    flex-shrink: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }
}