.page-contact {
  --contact-ink: #0F172A;
  --contact-navy: #1E3A8A;
  --contact-ice: #E3F4FD;
  --contact-orange: #FF6B35;
  --contact-teal: #00B3A4;
  --contact-glacier: #B0C4DE;
  --contact-line: rgba(15, 23, 42, .08);
  --contact-card-shadow: 0 10px 40px rgba(30, 58, 138, .12);
  --contact-mono: 'Roboto Mono', 'Consolas', monospace;
  position: relative;
  background:
    linear-gradient(180deg, #F8FBFF 0%, #EEF6FC 42%, #FDFEFE 100%);
  color: var(--text-main);
  overflow-x: hidden;
}

/* ===== 顶部斜切区 ===== */
.page-contact .contact-hero {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding-block: 40px 48px;
  max-width: var(--content-max);
  margin-inline: auto;
}

.page-contact .hero-copy {
  position: relative;
  padding: 32px 20px;
  background: linear-gradient(135deg, rgba(255,255,255,.7) 0%, rgba(227,244,253,.55) 100%);
  border-left: 3px solid var(--contact-navy);
  border-radius: 0 8px 8px 0;
  backdrop-filter: blur(4px);
}

.page-contact .hero-copy::after {
  content: '';
  position: absolute;
  inset: auto 0 0 auto;
  width: 120px;
  height: 3px;
  background: linear-gradient(90deg, var(--contact-teal), var(--contact-orange));
}

.page-contact .section-kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--contact-navy);
  margin: 0 0 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-contact .section-kicker::before {
  content: '';
  width: 28px;
  height: 1.5px;
  background: var(--contact-orange);
  display: inline-block;
}

.page-contact h1 {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1.18;
  color: var(--contact-navy);
  margin: 0 0 18px;
  letter-spacing: .01em;
}

.page-contact .hero-em {
  display: block;
  color: var(--contact-ink);
  font-weight: 700;
}

.page-contact .hero-lead {
  font-size: 16px;
  line-height: 1.75;
  color: #33466B;
  max-width: 34em;
  margin: 0 0 20px;
}

.page-contact .hero-lead b {
  color: var(--contact-navy);
  font-weight: 700;
}

.page-contact .hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* 右侧数据面板 */
.page-contact .hero-data-panel {
  position: relative;
  min-height: 240px;
  background: var(--contact-ink);
  border-radius: 6px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  box-shadow: var(--contact-card-shadow);
}

.page-contact .hero-data-panel::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -40px;
  width: 180px;
  height: 220px;
  background: linear-gradient(135deg, transparent 40%, rgba(255,107,53,.45) 40%, rgba(255,107,53,.45) 52%, transparent 52%);
  transform: rotate(-16deg);
}

.page-contact .hero-data-panel::after {
  content: '';
  position: absolute;
  inset: auto 0 0 auto;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 0 90px 90px;
  border-color: transparent transparent rgba(0,179,164,.35) transparent;
}

.page-contact .grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(227,244,253,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(227,244,253,.06) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

.page-contact .hero-data-top {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.page-contact .hero-data-top .tag {
  background: rgba(0,179,164,.15);
  color: #59E2D5;
  border-color: rgba(0,179,164,.35);
}

.page-contact .hero-data-top .batch-value {
  color: rgba(227,244,253,.6);
  font-size: 20px;
}

.page-contact .hero-data-main {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-contact .hero-data-label {
  color: rgba(227,244,253,.55);
  font-size: 13px;
  letter-spacing: .08em;
}

.page-contact .hero-data-num {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  color: #FFFFFF;
}

.page-contact .hero-data-note {
  color: rgba(227,244,253,.45);
  font-size: 13px;
}

.page-contact .hero-data-foot {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(227,244,253,.7);
  font-size: 12px;
}

.page-contact .batch-dot {
  width: 7px;
  height: 7px;
  background: var(--contact-teal);
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(0,179,164,.7);
}

/* ===== 联系渠道 ===== */
.page-contact .contact-channels {
  position: relative;
  padding: 24px 0 56px;
}

.page-contact .contact-channels::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    linear-gradient(115deg, transparent 0 12%, rgba(227,244,253,.5) 12% 12.2%, transparent 12.2% 28%, rgba(30,58,138,.06) 28% 28.3%, transparent 28.3% 54%, rgba(255,107,53,.07) 54% 54.2%, transparent 54.2% 77%, rgba(0,179,164,.05) 77% 77.3%, transparent 77.3% 100%);
  pointer-events: none;
}

.page-contact .section-head {
  margin-bottom: 32px;
}

.page-contact .section-head h2 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(24px, 3.6vw, 34px);
  color: var(--contact-navy);
  margin: 0 0 10px;
}

.page-contact .section-desc {
  font-size: 15px;
  line-height: 1.7;
  color: #46587A;
  max-width: 56em;
  margin: 0;
}

.page-contact .channels-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 28px;
}

.page-contact .channel-card {
  position: relative;
  background: var(--color-white);
  border-radius: 4px;
  padding: 24px 20px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s ease, transform .2s ease;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-contact .channel-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, transparent 0 50%, rgba(176,196,222,.22) 50% 100%);
  pointer-events: none;
}

.page-contact .channel-card:hover {
  box-shadow: 0 14px 36px rgba(30,58,138,.12);
  transform: translateY(-2px);
}

.page-contact .channel-card-phone {
  border-top: 4px solid var(--contact-navy);
}

.page-contact .channel-card-mail {
  border-top: 4px solid var(--contact-teal);
}

.page-contact .channel-card-support {
  border-top: 4px solid var(--contact-orange);
}

.page-contact .channel-card-address {
  border-top: 4px solid var(--contact-glacier);
}

.page-contact .channel-icon {
  width: 42px;
  height: 42px;
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--contact-navy);
  background: rgba(227,244,253,.6);
}

.page-contact .channel-card-mail .channel-icon {
  color: var(--contact-teal);
}

.page-contact .channel-card-support .channel-icon {
  color: var(--contact-orange);
}

.page-contact .channel-card-address .channel-icon {
  color: var(--contact-navy);
}

.page-contact .channel-label {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  color: var(--contact-ink);
  letter-spacing: .04em;
}

.page-contact .channel-value {
  font-family: var(--contact-mono);
  font-size: clamp(18px, 3vw, 26px);
  font-weight: 700;
  color: var(--contact-navy);
  text-decoration: none;
  display: inline-block;
  word-break: break-all;
}

.page-contact .channel-card-mail .channel-value,
.page-contact .channel-card-support .channel-value {
  font-size: clamp(16px, 2.6vw, 21px);
}

.page-contact .channel-card-address .channel-address {
  font-family: var(--contact-mono);
  font-size: clamp(15px, 2.4vw, 18px);
  font-weight: 500;
  color: var(--contact-navy);
  line-height: 1.5;
}

.page-contact .channel-note {
  font-size: 13px;
  color: #66779A;
  line-height: 1.6;
}

.page-contact .contact-note {
  position: relative;
  font-size: 14px;
  line-height: 1.7;
  color: #46587A;
  background: linear-gradient(90deg, rgba(255,255,255,.9), rgba(227,244,253,.7));
  border: 1px solid var(--contact-line);
  border-left: 3px solid var(--contact-orange);
  padding: 16px 18px;
  border-radius: 3px;
}

.page-contact .contact-note b {
  color: var(--contact-navy);
}

/* ===== 服务范围 ===== */
.page-contact .contact-service {
  position: relative;
  padding: 56px 0;
  background:
    linear-gradient(135deg, rgba(227,244,253,.65), rgba(255,255,255,.9)),
    repeating-linear-gradient(45deg, transparent 0 14px, rgba(15,23,42,.02) 14px 15px);
  border-block: 1px solid rgba(176,196,222,.5);
}

.page-contact .service-inner {
  max-width: var(--content-max);
  margin-inline: auto;
}

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

.page-contact .service-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .service-item {
  display: flex;
  gap: 16px;
  background: rgba(255,255,255,.88);
  border: 1px solid var(--contact-line);
  border-radius: 4px;
  padding: 16px;
  transition: border-color .18s ease, background .18s ease;
}

.page-contact .service-item:hover {
  border-color: rgba(0,179,164,.4);
  background: var(--color-white);
}

.page-contact .service-index {
  font-size: 15px;
  font-weight: 700;
  color: var(--contact-orange);
  line-height: 1.4;
  min-width: 30px;
}

.page-contact .service-item-body h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 16px;
  color: var(--contact-navy);
  margin: 0 0 6px;
}

.page-contact .service-item-body p {
  font-size: 13.5px;
  line-height: 1.7;
  color: #44577A;
  margin: 0;
}

.page-contact .service-item-body p b {
  color: var(--contact-orange);
  font-weight: 600;
}

.page-contact .service-visual {
  margin-top: 28px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  align-items: start;
}

.page-contact .figure-frame {
  position: relative;
  margin: 0;
  background: linear-gradient(135deg, #DCEAF7, #EFF5FC);
  border: 1px solid rgba(176,196,222,.45);
  border-radius: 4px;
  overflow: hidden;
}

.page-contact .figure-frame::after {
  content: attr(data-caption);
  display: block;
  padding: 8px 12px;
  font-size: 12px;
  color: #66779A;
  background: rgba(255,255,255,.65);
  border-top: 1px solid rgba(176,196,222,.3);
}

.page-contact .service-visual-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 2 / 1;
  background: #F2F8FD;
}

.page-contact .figure-frame-sm {
  max-width: 260px;
}

.page-contact .service-visual-img-sm {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 1 / 1;
  background: #F2F8FD;
}

/* ===== FAQ 快速入口 ===== */
.page-contact .contact-faq-teaser {
  padding: 56px 0;
  background: var(--contact-ink);
  background-image:
    repeating-linear-gradient(90deg, transparent 0 44px, rgba(227,244,253,.03) 44px 45px),
    repeating-linear-gradient(0deg, transparent 0 44px, rgba(227,244,253,.03) 44px 45px);
  position: relative;
}

.page-contact .contact-faq-teaser::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--contact-navy), var(--contact-teal) 45%, var(--contact-orange) 80%);
}

.page-contact .faq-teaser-inner {
  max-width: var(--content-max);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-contact .faq-teaser-copy .section-kicker {
  color: #59E2D5;
}

.page-contact .faq-teaser-copy .section-kicker::before {
  background: var(--contact-orange);
}

.page-contact .faq-teaser-copy h2 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(24px, 3.6vw, 34px);
  color: #FFFFFF;
  margin: 0 0 12px;
}

.page-contact .faq-teaser-desc {
  font-size: 15px;
  line-height: 1.75;
  color: rgba(227,244,253,.7);
  max-width: 32em;
  margin: 0 0 24px;
}

.page-contact .faq-teaser-desc b {
  color: #FFFFFF;
}

.page-contact .faq-teaser-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-contact .faq-teaser-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(15,23,42,.5);
  border: 1px solid rgba(227,244,253,.12);
  border-radius: 4px;
  padding: 14px 16px;
  text-decoration: none;
  transition: border-color .18s ease, background .18s ease;
}

.page-contact .faq-teaser-item:hover {
  border-color: rgba(0,179,164,.5);
  background: rgba(0,179,164,.08);
}

.page-contact .faq-teaser-item-index {
  color: var(--contact-orange);
  font-size: 14px;
  font-weight: 700;
  min-width: 28px;
}

.page-contact .faq-teaser-item-text {
  color: rgba(227,244,253,.88);
  font-size: 14px;
  line-height: 1.5;
}

/* ===== 反馈处理 ===== */
.page-contact .contact-response {
  padding: 52px 0;
  background:
    linear-gradient(115deg, transparent 0 18%, rgba(227,244,253,.5) 18% 18.4%, transparent 18.4% 36%, rgba(255,107,53,.05) 36% 36.2%, transparent 36.2%);
}

.page-contact .response-inner {
  max-width: var(--content-max);
  margin-inline: auto;
}

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

.page-contact .response-main h2 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(24px, 3.6vw, 32px);
  color: var(--contact-navy);
  margin: 0 0 10px;
}

.page-contact .response-desc {
  font-size: 15px;
  line-height: 1.7;
  color: #46587A;
  max-width: 46em;
  margin: 0;
}

.page-contact .response-flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 28px;
}

.page-contact .flow-step {
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(255,255,255,.85);
  border: 1px solid var(--contact-line);
  border-radius: 4px;
  padding: 14px 16px;
}

.page-contact .flow-num {
  width: 32px;
  height: 32px;
  background: var(--contact-navy);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 2px;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}

.page-contact .flow-text {
  font-size: 14px;
  font-weight: 600;
  color: var(--contact-ink);
}

.page-contact .response-home {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* ===== 信任声明 ===== */
.page-contact .contact-trust {
  padding: 16px 0 56px;
}

.page-contact .trust-strip {
  max-width: var(--content-max);
  margin-inline: auto;
  background: rgba(255,255,255,.85);
  border: 1px solid rgba(176,196,222,.4);
  border-radius: 4px;
  padding: 16px 18px;
}

.page-contact .trust-bar {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 8px;
}

.page-contact .trust-bar .batch-dot {
  flex-shrink: 0;
}

.page-contact .trust-text {
  font-size: 13px;
  line-height: 1.7;
  color: #52637F;
}

.page-contact .trust-caption {
  font-size: 13px;
  color: #66779A;
  margin: 0;
}

.page-contact .trust-caption a {
  color: var(--contact-navy);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ===== 面包屑 ===== */
.page-contact .breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 18px;
  font-size: 13px;
  color: #66779A;
}

.page-contact .breadcrumbs a {
  color: var(--contact-navy);
  text-decoration: none;
  transition: color .15s ease;
}

.page-contact .breadcrumbs a:hover {
  color: var(--contact-orange);
}

.page-contact .breadcrumbs .sep {
  color: rgba(176,196,222,.9);
}

.page-contact .breadcrumbs [aria-current="page"] {
  color: #44577A;
  font-weight: 600;
}

/* ===== 标签 ===== */
.page-contact .tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  border: 1px solid rgba(30,58,138,.18);
  background: rgba(255,255,255,.65);
  color: var(--contact-navy);
}

.page-contact .tag-teal {
  background: rgba(0,179,164,.1);
  border-color: rgba(0,179,164,.28);
  color: #007F76;
}

.page-contact .tag-orange {
  background: rgba(255,107,53,.1);
  border-color: rgba(255,107,53,.28);
  color: #D9521C;
}

/* ===== 按钮 ===== */
.page-contact .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 3px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  line-height: 1.2;
  transition: background .15s ease, border-color .15s ease, color .15s ease, transform .15s ease;
  cursor: pointer;
  border: 1px solid transparent;
}

.page-contact .btn-accent {
  background: var(--contact-orange);
  color: #FFFFFF;
}

.page-contact .btn-accent:hover {
  background: #E9551F;
  transform: translateY(-1px);
}

.page-contact .btn-ghost {
  background: transparent;
  border-color: var(--contact-navy);
  color: var(--contact-navy);
}

.page-contact .btn-ghost:hover {
  background: var(--contact-navy);
  color: #FFFFFF;
}

/* ================================================================
   平板 ≥ 640px
   ================================================================ */
@media (min-width: 640px) {
  .page-contact .hero-copy {
    padding: 48px 40px;
  }

  .page-contact .channels-grid {
    grid-template-columns: 1fr 1fr;
    gap: 18px;
  }

  .page-contact .channel-card {
    padding: 28px 24px;
  }

  .page-contact .service-list {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }

  .page-contact .service-visual {
    grid-template-columns: 1fr 260px;
    align-items: stretch;
  }

  .page-contact .figure-frame-sm {
    max-width: none;
  }

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

  .page-contact .faq-teaser-inner {
    gap: 36px;
  }

  .page-contact .trust-bar {
    flex-direction: row;
    align-items: center;
  }
}

/* ================================================================
   桌面 ≥ 1024px
   ================================================================ */
@media (min-width: 1024px) {
  .page-contact .contact-hero {
    grid-template-columns: 1.15fr .85fr;
    align-items: stretch;
    padding-block: 52px 64px;
    gap: 32px;
  }

  .page-contact .hero-copy {
    display: flex;
    flex-direction: column;
    justify-content: center;
    border-radius: 6px 0 0 6px;
  }

  .page-contact .hero-data-panel {
    min-height: 360px;
    border-radius: 6px;
  }

  .page-contact .contact-channels {
    padding: 40px 0 72px;
  }

  .page-contact .channels-grid {
    grid-template-columns: repeat(12, 1fr);
    gap: 20px;
  }

  .page-contact .channel-card-phone {
    grid-column: span 5;
  }

  .page-contact .channel-card-mail {
    grid-column: span 4;
  }

  .page-contact .channel-card-support {
    grid-column: span 3;
  }

  .page-contact .channel-card-address {
    grid-column: span 5;
    margin-top: -80px;
  }

  .page-contact .channel-card-address .channel-value-wrap {
    margin-top: auto;
  }

  .page-contact .contact-note {
    font-size: 14.5px;
    padding: 20px 24px;
  }

  .page-contact .service-list {
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
  }

  .page-contact .service-item {
    grid-column: span 2;
    flex-direction: column;
    gap: 10px;
    padding: 20px;
  }

  .page-contact .service-item:nth-child(1),
  .page-contact .service-item:nth-child(2),
  .page-contact .service-item:nth-child(3) {
    grid-column: span 2;
  }

  .page-contact .service-item:nth-child(4),
  .page-contact .service-item:nth-child(5) {
    grid-column: span 3;
  }

  .page-contact .service-item:nth-child(6) {
    grid-column: span 6;
  }

  .page-contact .service-item-body {
    max-width: 42ch;
  }

  .page-contact .service-visual {
    grid-template-columns: 1.5fr .6fr;
    gap: 20px;
    margin-top: 36px;
  }

  .page-contact .faq-teaser-inner {
    grid-template-columns: .9fr 1.1fr;
    align-items: center;
    gap: 56px;
  }

  .page-contact .faq-teaser-copy {
    padding-right: 24px;
  }

  .page-contact .response-inner {
    display: grid;
    grid-template-columns: .85fr 1.15fr;
    column-gap: 48px;
    align-items: center;
  }

  .page-contact .response-main {
    margin-bottom: 0;
  }

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

  .page-contact .response-home {
    grid-column: 1 / -1;
    justify-self: start;
    margin-top: 12px;
  }
}

/* ================================================================
   宽桌面 ≥ 1280px
   ================================================================ */
@media (min-width: 1280px) {
  .page-contact .channels-grid {
    gap: 24px;
  }

  .page-contact .channel-card-phone {
    grid-column: span 4;
    padding: 32px 28px;
  }

  .page-contact .channel-card-mail {
    grid-column: span 3;
  }

  .page-contact .channel-card-support {
    grid-column: span 2;
  }

  .page-contact .channel-card-address {
    grid-column: span 3;
    margin-top: 0;
  }

  .page-contact .channel-card {
    padding: 28px 26px;
  }

  .page-contact .channel-value {
    font-size: 24px;
  }

  .page-contact .channel-card-mail .channel-value,
  .page-contact .channel-card-support .channel-value {
    font-size: 18px;
  }
}

/* ================================================================
   窄屏保护
   ================================================================ */
@media (max-width: 360px) {
  .page-contact .hero-data-num {
    font-size: 24px;
  }

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

  .page-contact .channel-card-mail .channel-value,
  .page-contact .channel-card-support .channel-value {
    font-size: 14px;
  }

  .page-contact .channel-card-address .channel-address {
    font-size: 14px;
  }

  .page-contact .faq-teaser-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
}

/* ================================================================
   动效降级
   ================================================================ */
@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .btn,
  .page-contact .faq-teaser-item,
  .page-contact .service-item {
    transition: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .btn:hover,
  .page-contact .faq-teaser-item:hover,
  .page-contact .service-item:hover {
    transform: none;
  }
}