.page-contact {
  background: var(--c-paper);
  color: var(--c-ink);
  overflow-x: hidden;
}

.page-contact figure {
  margin: 0;
}

.page-contact img {
  max-width: 100%;
  height: auto;
}

/* ---------- 深色页头 ---------- */
.page-contact .contact-hero {
  position: relative;
  background:
    linear-gradient(135deg, rgba(11, 31, 59, 0.98), rgba(8, 21, 36, 0.99)),
    repeating-linear-gradient(45deg, rgba(57, 255, 20, 0.05) 0, rgba(57, 255, 20, 0.05) 1px, transparent 1px, transparent 14px);
  color: #fff;
  padding: 28px 0 48px;
  border-bottom: 4px solid var(--c-orange);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: 46%;
  height: 5px;
  background: var(--c-neon);
  opacity: 0.7;
  transform: rotate(-2deg);
  transform-origin: right top;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: -40px;
  top: 18%;
  width: 170px;
  height: 170px;
  background: repeating-linear-gradient(-45deg, rgba(255, 107, 53, 0.12) 0, rgba(255, 107, 53, 0.12) 6px, transparent 6px, transparent 14px);
  transform: rotate(12deg);
}

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

/* 面包屑 */
.page-contact .contact-breadcrumb {
  margin-bottom: 28px;
}

.page-contact .contact-breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.55);
}

.page-contact .contact-breadcrumb__link {
  color: rgba(255, 255, 255, 0.78);
  text-decoration: none;
  transition: color 0.2s;
}

.page-contact .contact-breadcrumb__link:hover {
  color: var(--c-neon);
}

.page-contact .contact-breadcrumb__sep {
  color: var(--c-orange);
}

.page-contact .contact-breadcrumb__current {
  color: var(--c-neon);
}

/* 页头内布局 */
.page-contact .contact-hero__layout {
  display: grid;
  gap: 28px;
}

.page-contact .contact-hero__kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--c-neon);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.page-contact .contact-hero__title {
  font-family: var(--font-display);
  font-size: 34px;
  line-height: 1.08;
  margin: 0 0 18px;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

.page-contact .contact-hero__title-accent {
  color: var(--c-orange);
}

.page-contact .contact-hero__lead {
  font-size: 15px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.7);
  max-width: 62ch;
  margin: 0 0 24px;
}

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

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

.page-contact .contact-hero .btn--outline {
  border-color: rgba(255, 255, 255, 0.55);
  color: #fff;
}

.page-contact .contact-hero .btn--outline:hover {
  border-color: var(--c-neon);
  color: var(--c-neon);
}

/* 信号卡 */
.page-contact .contact-hero__signal {
  display: grid;
  gap: 10px;
  padding: 8px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(8, 21, 36, 0.45);
}

.page-contact .signal-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 14px 16px;
}

.page-contact .signal-card__dot {
  flex: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.page-contact .signal-card__dot--green {
  background: var(--c-success);
  box-shadow: 0 0 8px rgba(46, 125, 50, 0.8);
}

.page-contact .signal-card__dot--orange {
  background: var(--c-orange);
  box-shadow: 0 0 8px rgba(255, 107, 53, 0.7);
}

.page-contact .signal-card__dot--neon {
  background: var(--c-neon);
  box-shadow: 0 0 8px rgba(57, 255, 20, 0.7);
}

.page-contact .signal-card__info {
  display: grid;
  gap: 2px;
}

.page-contact .signal-card__label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.1em;
}

.page-contact .signal-card__value {
  font-family: var(--font-display);
  font-size: 15px;
  color: #fff;
  letter-spacing: 0.04em;
}

/* ---------- 主体双栏 ---------- */
.page-contact .contact-layout {
  display: grid;
  gap: 36px;
  padding-top: 40px;
  padding-bottom: 56px;
}

.page-contact .contact-layout__main {
  display: grid;
  gap: 44px;
  align-content: start;
}

.page-contact .contact-layout__side {
  display: grid;
  gap: 20px;
  align-content: start;
}

/* ---------- 01 官方沟通渠道 ---------- */
.page-contact .section-header {
  margin-bottom: 18px;
}

.page-contact .section-description {
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-contact .channel-visual {
  position: relative;
  margin: 0 0 20px;
  border: 2px solid var(--c-deep);
  background: var(--c-dark);
}

.page-contact .channel-visual::after {
  content: "COMMUNICATION MATRIX";
  position: absolute;
  top: 12px;
  right: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--c-neon);
  background: rgba(11, 31, 59, 0.85);
  padding: 4px 10px;
  border: 1px solid rgba(57, 255, 20, 0.35);
}

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

.page-contact .channel-visual__caption {
  position: absolute;
  left: 12px;
  bottom: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: #fff;
  background: rgba(8, 21, 36, 0.82);
  padding: 4px 10px;
  border-left: 3px solid var(--c-orange);
}

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

.page-contact .channel-card {
  position: relative;
  background: #fff;
  border: 2px solid var(--c-deep);
  padding: 22px 18px 20px;
  transition: box-shadow 0.25s, transform 0.25s;
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 18px;
  width: 46px;
  height: 4px;
  background: var(--c-neon);
}

.page-contact .channel-card--email::before {
  background: var(--c-neon);
}

.page-contact .channel-card--phone::before {
  background: var(--c-orange);
}

.page-contact .channel-card--address::before {
  background: var(--c-info);
}

.page-contact .channel-card:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-3px);
}

.page-contact .channel-card__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.page-contact .channel-card__num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-muted);
  border: 1px solid var(--c-divider);
  padding: 2px 8px;
  letter-spacing: 0.08em;
}

.page-contact .channel-card__icon {
  width: 32px;
  height: 32px;
  fill: none;
  stroke-width: 1.8;
}

.page-contact .channel-card--email .channel-card__icon {
  stroke: var(--c-deep);
}

.page-contact .channel-card--phone .channel-card__icon {
  stroke: var(--c-orange);
}

.page-contact .channel-card--address .channel-card__icon {
  stroke: var(--c-info);
}

.page-contact .channel-card__title {
  font-family: var(--font-display);
  font-size: 19px;
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.page-contact .channel-card__value {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--c-deep);
  text-decoration: none;
  word-break: break-all;
  line-height: 1.5;
}

.page-contact .channel-card__value:hover {
  color: var(--c-orange);
}

.page-contact .channel-card__value--text {
  display: block;
  font-size: 14px;
  word-break: normal;
  line-height: 1.7;
}

.page-contact .channel-card__desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-muted);
  margin: 8px 0 14px;
}

.page-contact .channel-card__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--c-success);
  background: rgba(46, 125, 50, 0.08);
  padding: 4px 12px;
  border-radius: 99px;
}

.page-contact .channel-card__badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.page-contact .badge-dot--green {
  background: var(--c-success);
}

.page-contact .badge-dot--orange {
  background: var(--c-warning);
}

.page-contact .channel-card__map {
  margin: 12px 0 14px;
  padding: 8px 0 4px;
  border-top: 1px dashed var(--c-divider);
}

.page-contact .channel-card__map-svg {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 02 合作洽谈 ---------- */
.page-contact .cooperation-block {
  position: relative;
  background: linear-gradient(145deg, var(--c-dark) 0%, #0e2138 100%);
  color: #fff;
  padding: 28px 20px 30px;
  border-left: 4px solid var(--c-orange);
}

.page-contact .cooperation-block::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 26%;
  height: 3px;
  background: var(--c-neon);
}

.page-contact .cooperation-block .section-description {
  color: rgba(255, 255, 255, 0.62);
}

.page-contact .cooperation-block .section-title--light {
  color: #fff;
}

.page-contact .cooperation-grid {
  display: grid;
  gap: 14px;
  margin-bottom: 22px;
}

.page-contact .cooperation-item {
  display: flex;
  gap: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 16px;
  transition: background 0.2s, border-color 0.2s;
}

.page-contact .cooperation-item:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(57, 255, 20, 0.4);
}

.page-contact .cooperation-item__tag {
  flex: none;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  font-family: var(--font-display);
  font-size: 15px;
  background: var(--c-orange);
  color: #fff;
}

.page-contact .cooperation-item__body h3 {
  font-family: var(--font-display);
  font-size: 16px;
  margin: 0 0 6px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.page-contact .cooperation-item__body p {
  font-size: 13px;
  line-height: 1.7;
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
}

.page-contact .cooperation-cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  background: rgba(255, 107, 53, 0.12);
  border: 1px solid rgba(255, 107, 53, 0.35);
  padding: 16px 18px;
}

.page-contact .cooperation-cta__text {
  display: grid;
  gap: 4px;
}

.page-contact .cooperation-block .text-mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-orange);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.page-contact .cooperation-block .text-muted {
  color: rgba(255, 255, 255, 0.55);
  font-size: 13px;
}

.page-contact .cooperation-cta__mail {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--c-neon);
  text-decoration: none;
}

.page-contact .cooperation-cta__mail:hover {
  text-decoration: underline;
}

/* ---------- 03 隐私说明 ---------- */
.page-contact .privacy-block {
  position: relative;
  display: grid;
  gap: 24px;
  background: #fff;
  border: 2px solid var(--c-divider);
  padding: 26px 20px;
}

.page-contact .privacy-block__body {
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-muted);
  margin: 12px 0;
}

.page-contact .privacy-block__note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-success);
  margin: 0 0 16px;
  padding-left: 12px;
  border-left: 3px solid var(--c-success);
}

.page-contact .privacy-block__seal {
  display: grid;
  justify-items: center;
  gap: 8px;
  color: var(--c-success);
  border: 2px dashed rgba(46, 125, 50, 0.35);
  padding: 22px 20px;
  text-align: center;
}

.page-contact .privacy-block__seal-icon {
  width: 52px;
  height: 52px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
}

.page-contact .privacy-block__seal-text {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--c-success);
}

/* ---------- 侧栏 ---------- */
.page-contact .support-visual {
  border: 2px solid var(--c-deep);
  background: var(--c-dark);
}

.page-contact .support-visual__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.92;
}

.page-contact .support-visual__caption {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  font-size: 13px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.8);
  background: var(--c-deep);
}

.page-contact .support-visual__dot {
  flex: none;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-neon);
  margin-top: 4px;
  box-shadow: 0 0 0 3px rgba(57, 255, 20, 0.2);
}

.page-contact .commit-card,
.page-contact .faq-card,
.page-contact .brand-card {
  position: relative;
  background: #fff;
  border: 2px solid var(--c-deep);
  padding: 22px 18px;
}

.page-contact .commit-card::before,
.page-contact .faq-card::before,
.page-contact .brand-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 38px;
  height: 4px;
  background: var(--c-orange);
}

.page-contact .section-kicker--compact {
  display: block;
  margin-bottom: 8px;
}

.page-contact .commit-card__row {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--c-divider);
}

.page-contact .commit-card__row:last-child {
  border-bottom: 0;
}

.page-contact .commit-card__dot {
  flex: none;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-success);
  margin-top: 4px;
  box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.18);
}

.page-contact .commit-card__dot--orange {
  background: var(--c-warning);
  box-shadow: 0 0 0 3px rgba(249, 168, 37, 0.22);
}

.page-contact .commit-card__dot--neon {
  background: var(--c-neon);
  box-shadow: 0 0 0 3px rgba(57, 255, 20, 0.2);
}

.page-contact .commit-card__row strong {
  display: block;
  font-size: 14px;
}

.page-contact .commit-card__row p {
  font-size: 12px;
  color: var(--c-muted);
  margin: 2px 0 0;
  line-height: 1.5;
}

.page-contact .faq-card__title {
  font-family: var(--font-display);
  font-size: 19px;
  margin: 12px 0 6px;
  text-transform: uppercase;
}

.page-contact .faq-card__intro {
  font-size: 13px;
  color: var(--c-muted);
  margin: 0 0 12px;
  line-height: 1.6;
}

.page-contact .faq-card__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
}

.page-contact .faq-card__list li {
  border-bottom: 1px solid var(--c-divider);
}

.page-contact .faq-card__list li:last-child {
  border-bottom: 0;
}

.page-contact .faq-card__list a {
  display: block;
  padding: 10px 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-ink);
  text-decoration: none;
  transition: color 0.2s, padding-left 0.2s;
}

.page-contact .faq-card__list a::before {
  content: "→ ";
  color: var(--c-orange);
}

.page-contact .faq-card__list a:hover {
  color: var(--c-orange);
  padding-left: 6px;
}

.page-contact .brand-card__text {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-muted);
  margin: 0 0 14px;
}

.page-contact .btn-block {
  display: block;
  width: 100%;
  text-align: center;
}

/* ---------- 响应式增强 ---------- */
@media (min-width: 640px) {

  .page-contact .contact-hero__title {
    font-size: 42px;
  }

  .page-contact .contact-hero__signal {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 24px;
    margin-bottom: 22px;
  }

  .page-contact .section-description {
    max-width: 40ch;
  }

  .page-contact .channel-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .channel-card--address {
    grid-column: 1 / -1;
  }

  .page-contact .cooperation-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .cooperation-item:last-child {
    grid-column: 1 / -1;
  }

  .page-contact .privacy-block {
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .page-contact .privacy-block__seal {
    min-width: 150px;
  }
}

@media (min-width: 960px) {

  .page-contact .contact-hero {
    padding: 40px 0 56px;
  }

  .page-contact .contact-hero__layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
    gap: 36px;
  }

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

  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 44px;
    align-items: start;
  }

  .page-contact .contact-layout__main {
    gap: 52px;
  }

  .page-contact .cooperation-block {
    padding: 36px 28px 34px;
  }

  .page-contact .cooperation-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .cooperation-item:last-child {
    grid-column: auto;
  }
}