/* ============================================
   页面专属样式：contact
   作用域：.page-contact
============================================ */
.page-contact {
  --page-brand: var(--brand);
  --page-navy: var(--navy);
  --page-marine: var(--marine);
  --page-silver: var(--silver);
  --page-neon: var(--neon);
  --page-white: var(--white);
  --page-black: var(--black);
  --page-soft-red: rgba(228, 0, 43, 0.14);
  --page-line: rgba(255, 255, 255, 0.12);
}

/* ---------- Hero 页面导语 ---------- */
.page-contact .contact-hero {
  padding: 36px 0 30px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--page-line);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  height: 4px;
  width: 42%;
  background: linear-gradient(90deg, var(--page-brand), transparent);
  z-index: 2;
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "CONTACT";
  position: absolute;
  right: -0.06em;
  top: 22px;
  font-family: var(--font-display);
  font-size: clamp(5rem, 18vw, 11rem);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.05);
  pointer-events: none;
  z-index: 0;
  white-space: nowrap;
}

.page-contact .contact-hero .content-shell {
  position: relative;
  z-index: 1;
}

.page-contact .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--silver);
  margin-bottom: 32px;
}

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

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

.page-contact .contact-hero_grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  border-left: 6px solid var(--page-brand);
  padding-left: 20px;
}

.page-contact .contact-eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--page-brand);
  margin-bottom: 12px;
}

.page-contact .contact-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 7vw, 4.6rem);
  line-height: 1.06;
  color: var(--page-white);
  margin: 0 0 14px;
}

.page-contact .contact-lead {
  font-size: 15px;
  line-height: 1.75;
  color: var(--silver);
  max-width: 580px;
  margin: 0;
}

.page-contact .contact-hero_aside {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-contact .trust-strip {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(57, 255, 20, 0.06);
  border: 1px solid rgba(57, 255, 20, 0.24);
  padding: 10px 14px;
  border-radius: 2px;
  font-size: 13px;
  color: var(--light-gray);
  max-width: 420px;
}

.page-contact .trust-strip .status-dot {
  flex: 0 0 auto;
}

.page-contact .trust-strip_text {
  line-height: 1.5;
}

.page-contact .trust-caption {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--silver);
  margin: 0;
  letter-spacing: 0.04em;
}

.page-contact .hero-company_link {
  color: var(--page-white);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  width: fit-content;
  border-bottom: 2px solid var(--page-brand);
  padding-bottom: 2px;
  transition: color 0.2s var(--ease-out), border-color 0.2s var(--ease-out);
}

.page-contact .hero-company_link:hover {
  color: var(--page-brand);
  border-color: var(--page-neon);
}

/* ---------- 联系方式主区 ---------- */
.page-contact .contact-main {
  padding: 10px 0 48px;
}

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

/* 左列：官方联系渠道 */
.page-contact .contact-direct {
  background: linear-gradient(140deg, var(--page-navy), var(--page-marine));
  padding: 34px 24px 38px;
  position: relative;
  overflow: hidden;
  border-top: 4px solid var(--page-brand);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.28);
}

.page-contact .contact-direct::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 180px;
  height: 180px;
  background: linear-gradient(135deg, transparent 49%, var(--page-soft-red) 50%, var(--page-soft-red) 53%, transparent 54%);
  pointer-events: none;
}

.page-contact .contact-direct_head,
.page-contact .contact-needs_head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 26px;
}

.page-contact .section-mark {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--page-brand);
  border: 1px solid rgba(228, 0, 43, 0.5);
  padding: 4px 8px;
  letter-spacing: 0.08em;
  flex: 0 0 auto;
}

.page-contact .contact-direct h2,
.page-contact .contact-needs h2,
.page-contact .service-info h2,
.page-contact .location-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  margin: 0;
  color: var(--page-white);
}

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

.page-contact .channel-item {
  padding: 18px 0;
}

.page-contact .channel-item_label {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--silver);
  margin-bottom: 10px;
}

.page-contact .channel-tag {
  background: rgba(228, 0, 43, 0.16);
  color: var(--page-brand);
  border: 1px solid rgba(228, 0, 43, 0.4);
  font-size: 11px;
  font-family: var(--font-mono);
  padding: 2px 8px;
  text-transform: none;
  letter-spacing: 0.02em;
  border-radius: 2px;
}

.page-contact .channel-item_value {
  font-family: var(--font-mono);
  font-size: clamp(1.25rem, 4.6vw, 2.2rem);
  font-weight: 700;
  color: var(--page-white);
  text-decoration: none;
  display: inline-block;
  word-break: break-all;
  line-height: 1.3;
  border-bottom: 2px solid var(--page-brand);
  padding-bottom: 4px;
  transition: color 0.25s var(--ease-out), border-color 0.25s var(--ease-out), transform 0.25s var(--ease-out);
}

.page-contact .channel-item_value:hover,
.page-contact .channel-item_value:focus-visible {
  color: var(--page-neon);
  border-bottom-color: var(--page-neon);
  transform: translateX(4px);
}

.page-contact .channel-item_note {
  font-size: 14px;
  color: var(--silver);
  margin: 10px 0 0;
  line-height: 1.6;
}

.page-contact .channel-divider {
  height: 1px;
  background: linear-gradient(90deg, var(--page-brand), rgba(228, 0, 43, 0.08));
  border: 0;
  margin: 4px 0;
}

/* 右列：常见联系需求 */
.page-contact .contact-needs {
  padding: 6px 0 0;
}

.page-contact .needs-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-contact .need-card {
  display: flex;
  gap: 14px;
  background: linear-gradient(0deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.02)), var(--page-marine);
  padding: 16px 16px 16px 14px;
  border-left: 3px solid transparent;
  transition: border-color 0.25s var(--ease-out), transform 0.25s var(--ease-out), background 0.25s var(--ease-out);
}

.page-contact .need-card:hover,
.page-contact .need-card:focus-within {
  border-left-color: var(--page-brand);
  transform: translateX(4px);
  background: linear-gradient(0deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.05)), var(--page-marine);
}

.page-contact .need-card_num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--page-brand);
  flex: 0 0 auto;
  padding-top: 2px;
}

.page-contact .need-card_body h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--page-white);
  margin: 0 0 6px;
}

.page-contact .need-card_body p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--light-gray);
  margin: 0 0 12px;
}

.page-contact .need-card_meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-start;
}

.page-contact .need-card_time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--page-neon);
  letter-spacing: 0.02em;
}

.page-contact .need-card_link {
  font-size: 13px;
  color: var(--silver);
  text-decoration: none;
  border-bottom: 1px solid rgba(192, 192, 192, 0.4);
  transition: color 0.2s var(--ease-out), border-color 0.2s var(--ease-out);
}

.page-contact .need-card_link:hover {
  color: var(--page-neon);
  border-bottom-color: var(--page-neon);
}

/* ---------- 服务时间与响应保证 ---------- */
.page-contact .contact-service {
  padding-top: 8px;
  padding-bottom: 56px;
}

.page-contact .service-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  align-items: center;
  background: linear-gradient(120deg, rgba(11, 29, 58, 0.72), rgba(31, 34, 42, 0.92));
  border: 1px solid var(--page-line);
  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: 24px 24px;
  padding: 30px 22px;
}

.page-contact .service-info .contact-needs_head {
  margin-bottom: 18px;
}

.page-contact .service-intro {
  font-size: 16px;
  color: var(--silver);
  line-height: 1.75;
  margin: 0 0 16px;
}

.page-contact .service-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-contact .service-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--light-gray);
  line-height: 1.6;
}

.page-contact .service-list .status-dot {
  flex: 0 0 auto;
}

.page-contact .service-performance {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--silver);
  border-left: 3px solid var(--page-neon);
  padding-left: 14px;
  margin: 0 0 18px;
}

.page-contact .service-footnote {
  font-size: 14px;
  color: var(--silver);
  line-height: 1.7;
  margin: 0;
}

.page-contact .service-footnote a {
  color: var(--page-white);
  text-decoration: none;
  border-bottom: 1px solid var(--page-brand);
  padding-bottom: 1px;
  transition: color 0.2s var(--ease-out), border-color 0.2s var(--ease-out);
}

.page-contact .service-footnote a:hover {
  color: var(--page-neon);
  border-bottom-color: var(--page-neon);
}

.page-contact .service-visual img,
.page-contact .location-map img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--page-line);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.35);
}

.page-contact .service-visual img {
  aspect-ratio: 4 / 3;
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
}

/* ---------- 位置与访问说明 ---------- */
.page-contact .contact-location {
  overflow: hidden;
}

.page-contact .address-bar {
  background: var(--page-black);
  position: relative;
  overflow: hidden;
  padding: 40px 0;
  border-top: 4px solid var(--page-brand);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.page-contact .address-bar::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(-45deg, transparent, transparent 14px, rgba(228, 0, 43, 0.12) 14px, rgba(228, 0, 43, 0.12) 15px);
  z-index: 0;
  pointer-events: none;
}

.page-contact .address-bar::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 44%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(228, 0, 43, 0.18));
  z-index: 0;
  pointer-events: none;
}

.page-contact .address-bar_inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-contact .address-kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.26em;
  color: var(--silver);
  margin: 0;
  text-transform: uppercase;
}

.page-contact .address-value {
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 3.4vw, 1.7rem);
  font-weight: 700;
  color: var(--page-white);
  margin: 0;
  letter-spacing: 0.02em;
}

.page-contact .address-tag {
  width: fit-content;
  font-size: 12px;
  color: var(--page-neon);
  border: 1px solid rgba(57, 255, 20, 0.35);
  background: rgba(57, 255, 20, 0.06);
  padding: 4px 10px;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.page-contact .location-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  padding: 44px 0 56px;
}

.page-contact .location-map img {
  aspect-ratio: 5 / 4;
  width: 100%;
  max-width: 500px;
  margin: 0 auto;
}

.page-contact .location-text h2 {
  margin-bottom: 20px;
}

.page-contact .location-text p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--light-gray);
  margin: 0 0 14px;
}

.page-contact .location-related {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--silver);
  border-left: 3px solid var(--page-brand);
  padding-left: 14px;
  margin-top: 18px;
}

/* ---------- 联系方式滑入动效 ---------- */
@keyframes contact-rise {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-contact .channel-item_email {
  animation: contact-rise 0.6s 0.1s var(--ease-out) both;
}

.page-contact .channel-item_phone {
  animation: contact-rise 0.6s 0.22s var(--ease-out) both;
}

.page-contact .need-card {
  animation: contact-rise 0.5s var(--ease-out) both;
}

.page-contact .need-card:nth-child(2) {
  animation-delay: 0.08s;
}

.page-contact .need-card:nth-child(3) {
  animation-delay: 0.16s;
}

.page-contact .need-card:nth-child(4) {
  animation-delay: 0.24s;
}

/* ---------- 焦点可见 ---------- */
.page-contact a:focus-visible {
  outline: 2px solid var(--page-neon);
  outline-offset: 2px;
}

/* ---------- 桌面端布局 ---------- */
@media (min-width: 780px) {
  .page-contact .contact-hero {
    padding: 44px 0 40px;
  }

  .page-contact .contact-hero_grid {
    grid-template-columns: 1.6fr 1fr;
    align-items: end;
    gap: 40px;
  }

  .page-contact .contact-hero_aside {
    padding-bottom: 8px;
    padding-left: 16px;
    border-left: 1px solid var(--page-line);
  }

  .page-contact .contact-main {
    padding-top: 16px;
  }

  .page-contact .contact-main_grid {
    grid-template-columns: 1.35fr 1fr;
    gap: 28px;
  }

  .page-contact .contact-direct {
    padding: 40px 32px 44px;
  }

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

  .page-contact .service-panel {
    grid-template-columns: 1.2fr 1fr;
    gap: 36px;
    padding: 42px 38px;
  }

  .page-contact .service-visual img {
    margin: 0 0 0 auto;
  }

  .page-contact .location-panel {
    grid-template-columns: 1fr 1.2fr;
    gap: 44px;
    align-items: center;
  }

  .page-contact .location-map img {
    margin: 0;
  }

  .page-contact .address-bar_inner {
    flex-direction: row;
    align-items: center;
    gap: 24px;
  }

  .page-contact .address-value {
    flex: 1;
  }
}

@media (min-width: 1080px) {
  .page-contact .contact-main_grid {
    gap: 40px;
  }

  .page-contact .contact-direct {
    padding: 46px 44px 50px;
  }

  .page-contact .service-panel {
    padding: 48px 48px;
  }

  .page-contact .location-panel {
    gap: 60px;
  }
}