/* ===== 联系我们 ===== */
.page-contact {
  --contact-gutter: 24px;
  background: var(--c-bg);
  color: var(--c-text);
  overflow-x: hidden;
}

/* ------ 首屏标题区 ------ */
.page-contact .contact-hero {
  position: relative;
  padding: 40px var(--contact-gutter) 32px;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.page-contact .contact-hero__content {
  position: relative;
  z-index: 2;
}

.page-contact .contact-hero__tag {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.15em;
  color: var(--c-accent);
  border: 1px solid rgba(0, 255, 136, 0.35);
  padding: 4px 12px;
  margin-top: 12px;
  margin-bottom: 20px;
}

.page-contact .contact-hero__title {
  position: relative;
  padding-left: 16px;
  font-family: var(--f-display);
  font-size: clamp(44px, 10vw, 72px);
  line-height: 0.95;
  font-weight: 700;
  letter-spacing: 0.01em;
  margin: 0 0 16px;
  text-transform: uppercase;
}

.page-contact .contact-hero__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 4px;
  background: linear-gradient(var(--c-accent), var(--c-blue));
}

.page-contact .contact-hero__lead {
  font-size: 16px;
  color: var(--c-dim);
  max-width: 46ch;
  line-height: 1.7;
  margin-bottom: 24px;
}

.page-contact .contact-hero__meta {
  display: inline-block;
  font-size: 13px;
  color: var(--c-dim);
  letter-spacing: 0.04em;
  margin: 0;
  padding-top: 8px;
  border-top: 1px solid var(--c-line);
}

.page-contact .contact-hero__visual {
  position: relative;
  margin-top: 32px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
}

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

/* ------ 官方联系方式 ------ */
.page-contact .contact-channels {
  position: relative;
  padding: 48px var(--contact-gutter) 56px;
  background: linear-gradient(180deg, var(--c-glow) 0%, var(--c-bg) 60%);
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}

.page-contact .contact-channels__rail {
  display: none;
}

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

.page-contact .contact-channels__head .section-lead {
  max-width: 60ch;
}

.page-contact .contact-list {
  display: grid;
  gap: 16px;
}

.page-contact .contact-item {
  position: relative;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 22px 20px 20px;
  overflow: hidden;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-contact .contact-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
}

.page-contact .contact-item--mail::before {
  background: var(--c-accent);
}

.page-contact .contact-item--phone::before {
  background: var(--c-blue);
}

.page-contact .contact-item--address::before {
  background: var(--c-dim);
}

.page-contact .contact-item:hover {
  border-color: rgba(0, 255, 136, 0.35);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.4);
  transform: translateY(-2px);
}

.page-contact .contact-item__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.page-contact .contact-item__index {
  font-family: var(--f-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--c-dim);
  letter-spacing: 0.08em;
}

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

.page-contact .contact-item__main h3 {
  margin: 0 0 6px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--c-dim);
}

.page-contact .contact-item--mail .contact-item__main h3::before,
.page-contact .contact-item--phone .contact-item__main h3::before,
.page-contact .contact-item--address .contact-item__main h3::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 8px;
  vertical-align: baseline;
}

.page-contact .contact-item--mail .contact-item__main h3::before {
  background: var(--c-accent);
}

.page-contact .contact-item--phone .contact-item__main h3::before {
  background: var(--c-blue);
}

.page-contact .contact-item--address .contact-item__main h3::before {
  background: var(--c-dim);
}

.page-contact .contact-item__value {
  display: inline-block;
  font-family: var(--f-display);
  font-size: 23px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--c-text);
  text-decoration: none;
  word-break: break-all;
}

.page-contact a.contact-item__value::after {
  content: "↗";
  display: inline-block;
  margin-left: 6px;
  font-size: 0.7em;
  color: var(--c-dim);
  transition: transform 0.3s var(--ease), color 0.3s var(--ease);
}

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

.page-contact a.contact-item__value:hover::after {
  transform: translate(2px, -2px);
  color: var(--c-accent);
}

.page-contact address.contact-item__value {
  font-style: normal;
  word-break: break-word;
}

.page-contact .contact-item__note {
  position: relative;
  z-index: 1;
  margin: 14px 0 0;
  font-size: 13px;
  color: var(--c-dim);
  line-height: 1.65;
}

.page-contact .contact-item--mail::after {
  content: "MAIL";
  position: absolute;
  right: 4px;
  bottom: -14px;
  font-family: var(--f-display);
  font-size: 76px;
  font-weight: 700;
  line-height: 1;
  color: rgba(0, 255, 136, 0.05);
  pointer-events: none;
  z-index: 0;
}

.page-contact .contact-address__map {
  position: relative;
  z-index: 1;
  margin-top: 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-bg);
  overflow: hidden;
}

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

/* ------ 渠道说明 ------ */
.page-contact .contact-notice {
  padding: 52px var(--contact-gutter) 40px;
}

.page-contact .contact-notice__panel {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-accent);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 28px 24px;
}

.page-contact .contact-notice__text .section-title {
  margin-bottom: 16px;
}

.page-contact .contact-notice__primary {
  font-size: 17px;
  font-weight: 500;
  line-height: 1.8;
  color: var(--c-text);
  margin: 0 0 10px;
}

.page-contact .contact-notice__note {
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-dim);
  margin: 0;
}

.page-contact .contact-notice__links {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px dashed var(--c-line);
  font-size: 14px;
  line-height: 1.9;
}

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

.page-contact .contact-notice__links a {
  color: var(--c-blue);
  text-decoration: none;
}

.page-contact .contact-notice__links a:hover {
  color: var(--c-accent);
  text-decoration: underline;
}

/* ------ 常见问题跳转 ------ */
.page-contact .contact-faq {
  padding: 16px var(--contact-gutter) 64px;
}

.page-contact .contact-faq__panel {
  position: relative;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--c-surface) 0%, var(--c-glow) 100%);
  padding: 40px 24px 36px;
  text-align: center;
  overflow: hidden;
}

.page-contact .contact-faq__panel::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--c-accent), var(--c-blue), transparent);
}

.page-contact .contact-faq__text .section-tag {
  margin-bottom: 8px;
}

.page-contact .contact-faq__text p {
  max-width: 72ch;
  margin: 0 auto 24px;
  color: var(--c-dim);
  font-size: 15px;
  line-height: 1.7;
}

.page-contact .contact-faq__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

/* ------ 平板与桌面 ------ */
@media (min-width: 768px) {
  .page-contact {
    --contact-gutter: 48px;
  }

  .page-contact .contact-hero {
    padding-top: 64px;
    padding-bottom: 48px;
  }

  .page-contact .contact-hero__title {
    font-size: 72px;
  }

  .page-contact .contact-hero__lead {
    font-size: 17px;
  }

  .page-contact .contact-channels {
    padding-top: 64px;
    padding-bottom: 72px;
  }

  .page-contact .contact-list {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .contact-item--mail {
    grid-column: 1 / -1;
  }

  .page-contact .contact-item--mail .contact-item__value {
    font-size: 28px;
  }

  .page-contact .contact-notice__panel {
    padding: 36px 32px;
  }

  .page-contact .contact-faq__panel {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    padding: 48px 40px 44px;
    text-align: left;
  }

  .page-contact .contact-faq__actions {
    flex-shrink: 0;
    justify-content: flex-start;
  }

  .page-contact .contact-faq__text p {
    margin-bottom: 0;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 48px;
    align-items: center;
    max-width: var(--container-w);
    margin: 0 auto;
    padding-left: var(--contact-gutter);
    padding-right: var(--contact-gutter);
  }

  .page-contact .contact-hero__visual {
    margin-top: 0;
    border: 0;
    clip-path: polygon(0 0, 100% 0, calc(100% - 32px) 100%, 32px 100%);
  }

  .page-contact .contact-channels {
    display: grid;
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 40px;
    max-width: var(--container-w);
    margin: 0 auto;
    padding-left: var(--contact-gutter);
    padding-right: var(--contact-gutter);
  }

  .page-contact .contact-channels__rail {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    padding-top: 48px;
    border-right: 1px solid var(--c-line);
  }

  .page-contact .rail-num {
    font-family: var(--f-display);
    font-size: 56px;
    font-weight: 700;
    line-height: 1;
    color: var(--c-accent);
  }

  .page-contact .rail-label {
    writing-mode: vertical-rl;
    font-size: 12px;
    letter-spacing: 0.4em;
    color: var(--c-dim);
  }

  .page-contact .rail-line {
    flex: 1;
    width: 1px;
    background: linear-gradient(var(--c-accent), transparent);
  }

  .page-contact .contact-notice__panel {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: start;
  }

  .page-contact .contact-notice__links {
    margin-top: 0;
    padding-top: 0;
    border-top: 0;
    border-left: 1px solid var(--c-line);
    padding-left: 32px;
  }
}