/* ============================
   联系页 · 信号站
   作用域：.page-contact
   ============================ */
.page-contact {
  --contact-grid-line: rgba(99, 179, 237, 0.14);
  --contact-accent-soft: rgba(255, 107, 53, 0.12);
  --contact-indigo-soft: rgba(90, 103, 216, 0.12);
  --contact-section-gap: clamp(48px, 8vw, 104px);
  position: relative;
  background-image:
    linear-gradient(var(--contact-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--contact-grid-line) 1px, transparent 1px);
  background-size: 56px 56px;
  overflow: hidden;
}

.page-contact::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(ellipse at 72% 6%, rgba(255, 107, 53, 0.1), transparent 62%);
}

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

.page-contact section[id] {
  scroll-margin-top: calc(var(--header-h) + 20px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: 28px 0 clamp(48px, 6vw, 80px);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 40px;
  align-items: center;
}

.page-contact .hero-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  padding: 6px 12px;
  border: 1px solid rgba(99, 179, 237, 0.3);
  background: rgba(10, 25, 47, 0.55);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--color-cyan);
}

.page-contact .hero-status__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.18);
  animation: pageContactPulse 2s ease-in-out infinite;
}

@keyframes pageContactPulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.18); }
  50% { box-shadow: 0 0 0 7px rgba(255, 107, 53, 0.05); }
}

.page-contact .contact-hero__copy .section-index {
  margin-bottom: 10px;
}

.page-contact .contact-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-heading);
  font-weight: 800;
  letter-spacing: -0.03em;
  font-size: clamp(32px, 4.6vw, 54px);
  line-height: 1.08;
  color: var(--color-heading);
}

.page-contact .hero-underline {
  color: var(--color-accent);
}

.page-contact .contact-hero__lead {
  margin: 20px 0 0;
  max-width: 48ch;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text);
}

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

.page-contact .contact-hero__facts {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
}

.page-contact .contact-hero__fact {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--color-text);
}

.page-contact .fact-num {
  font-family: var(--font-data);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-cyan);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* ---------- 雷达区 ---------- */
.page-contact .contact-hero__radar {
  position: relative;
  padding: 24px 20px 16px;
  border: 1px solid rgba(51, 65, 85, 0.85);
  background: rgba(2, 6, 23, 0.55);
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 28px 100%, 0 calc(100% - 28px));
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.page-contact .radar-wrap {
  position: relative;
  width: min(100%, 320px);
  aspect-ratio: 1;
}

.page-contact .radar-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.page-contact .radar-ring {
  fill: none;
  stroke: var(--color-border);
  stroke-width: 1;
  stroke-dasharray: 4 5;
}

.page-contact .radar-ring--outer {
  stroke: var(--color-cyan);
  opacity: 0.7;
}

.page-contact .radar-ring--mid {
  stroke: var(--color-accent);
  opacity: 0.55;
}

.page-contact .radar-ring--inner {
  stroke: var(--color-gold);
  opacity: 0.4;
}

.page-contact .radar-line {
  stroke: var(--color-border);
  stroke-width: 1;
}

.page-contact .radar-line--diag {
  stroke-dasharray: 3 5;
}

.page-contact .radar-sweep {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(from 0deg, rgba(255, 107, 53, 0.32), rgba(255, 107, 53, 0) 92deg);
  animation: pageContactRadarSpin 8s linear infinite;
  transform-origin: center center;
  will-change: transform;
  pointer-events: none;
  z-index: 1;
}

@keyframes pageContactRadarSpin {
  to { transform: rotate(360deg); }
}

.page-contact .radar-core {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 68px;
  height: 68px;
  border-radius: 50%;
  border: 1px solid rgba(255, 107, 53, 0.7);
  background: rgba(10, 25, 47, 0.94);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 10px rgba(255, 107, 53, 0.07), 0 0 28px rgba(255, 107, 53, 0.25);
  z-index: 2;
}

.page-contact .radar-blip {
  position: absolute;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 1px solid var(--color-bg-deep);
  box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.16);
  z-index: 2;
  animation: pageContactBlip 3s ease-in-out infinite;
}

.page-contact .radar-blip--1 { top: 24%; left: 58%; }
.page-contact .radar-blip--2 { bottom: 20%; left: 26%; animation-delay: 0.9s; }
.page-contact .radar-blip--3 { top: 58%; right: 18%; animation-delay: 1.8s; }

@keyframes pageContactBlip {
  0%, 100% { transform: scale(1); opacity: 0.9; }
  50% { transform: scale(1.5); opacity: 0.5; }
}

.page-contact .radar-label {
  position: absolute;
  z-index: 3;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--color-text);
  background: rgba(10, 25, 47, 0.92);
  border: 1px solid var(--color-border);
  padding: 3px 8px;
  white-space: nowrap;
}

.page-contact .radar-label--mail { top: 14%; right: 6%; }
.page-contact .radar-label--phone { left: 2%; bottom: 30%; }
.page-contact .radar-label--addr { right: 4%; bottom: 4%; }

.page-contact .radar-caption {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--color-text);
  text-align: center;
  margin: 0;
}

/* ---------- 区块标题 ---------- */
.page-contact .section-head {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.page-contact .section-head__text .section-index {
  margin-bottom: 8px;
}

.page-contact .section-head h2 {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1.15;
  color: var(--color-heading);
}

.page-contact .section-head__note {
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--color-cyan);
  margin: 0;
}

/* ---------- 联系卡片 ---------- */
.page-contact .contact-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .contact-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 210px;
  padding: 22px 20px 18px;
  background: linear-gradient(180deg, rgba(51, 65, 85, 0.16), rgba(2, 6, 23, 0.3));
  border: 1px solid rgba(51, 65, 85, 0.9);
  text-decoration: none;
  color: inherit;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 2px;
  background: var(--color-accent);
  opacity: var(--card-line-opacity, 0);
  transition: opacity 0.3s var(--ease);
}

.page-contact .contact-card--mail {
  --card-line-opacity: 1;
}

.page-contact .contact-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 179, 237, 0.4);
  box-shadow: var(--shadow-sm);
  background: linear-gradient(180deg, rgba(51, 65, 85, 0.28), rgba(2, 6, 23, 0.42));
}

.page-contact .contact-card__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.page-contact .contact-card__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--contact-accent-soft);
  border: 1px solid rgba(255, 107, 53, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
}

.page-contact .contact-card__icon svg {
  display: block;
}

.page-contact .contact-card__role {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-cyan);
}

.page-contact .contact-card__value {
  font-family: var(--font-data);
  font-size: 15px;
  line-height: 1.5;
  color: var(--color-heading);
  overflow-wrap: anywhere;
}

.page-contact .contact-card--phone .contact-card__value {
  font-size: 19px;
  letter-spacing: 0.04em;
}

.page-contact .contact-card__desc {
  margin-top: auto;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-text);
}

/* ---------- 响应承诺 ---------- */
.page-contact .contact-response {
  position: relative;
  background: rgba(10, 25, 47, 0.55);
  border-top: 1px solid rgba(51, 65, 85, 0.55);
  border-bottom: 1px solid rgba(51, 65, 85, 0.55);
}

.page-contact .contact-response__grid {
  display: grid;
  gap: 36px;
  align-items: center;
}

.page-contact .contact-response__media {
  position: relative;
  display: flex;
  justify-content: center;
}

.page-contact .contact-response__frame {
  width: min(100%, 300px);
  aspect-ratio: 1;
}

.page-contact .contact-response__frame::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 28px;
  height: 28px;
  border-top: 2px solid var(--color-accent);
  border-right: 2px solid var(--color-accent);
  z-index: 1;
}

.page-contact .contact-response__copy .section-index {
  margin-bottom: 8px;
}

.page-contact .contact-response__copy h2 {
  margin: 10px 0 14px;
  font-family: var(--font-heading);
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: clamp(26px, 3vw, 38px);
  color: var(--color-heading);
}

.page-contact .contact-response__lead {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-text);
}

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

.page-contact .response-path {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: resp;
}

.page-contact .response-path li {
  position: relative;
  counter-increment: resp;
  display: flex;
  align-items: center;
  min-height: 32px;
  padding-left: 52px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  color: var(--color-text);
}

.page-contact .response-path li::before {
  content: counter(resp, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 34px;
  height: 26px;
  border: 1px solid var(--color-border);
  background: rgba(2, 6, 23, 0.4);
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-contact .response-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(112px, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.page-contact .response-stat {
  border: 1px solid rgba(51, 65, 85, 0.85);
  background: rgba(2, 6, 23, 0.35);
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: flex-start;
}

.page-contact .response-stat .data-number {
  font-size: clamp(20px, 2vw, 28px);
  line-height: 1.1;
  color: var(--color-accent);
}

.page-contact .response-stat span:last-child {
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.4;
  color: var(--color-text);
}

/* ---------- 商务合作 ---------- */
.page-contact .contact-partnership {
  position: relative;
}

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

.page-contact .partnership-card {
  position: relative;
  padding: 26px 20px 20px;
  border: 1px solid var(--color-border);
  border-top: 2px solid var(--color-border);
  background: rgba(2, 6, 23, 0.28);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-contact .partnership-card:hover {
  border-top-color: var(--color-gold);
  background: rgba(51, 65, 85, 0.16);
  transform: translateY(-2px);
}

.page-contact .partnership-card__num {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--color-gold);
  margin-bottom: 12px;
}

.page-contact .partnership-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-heading);
}

.page-contact .partnership-card p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-text);
}

.page-contact .partnership-cta {
  margin-top: 28px;
  padding: 24px;
  border: 1px solid rgba(255, 107, 53, 0.35);
  background:
    linear-gradient(90deg, rgba(255, 107, 53, 0.1), rgba(99, 179, 237, 0.05)),
    rgba(2, 6, 23, 0.4);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-contact .partnership-cta__copy {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-contact .partnership-cta__label {
  margin: 0;
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--color-cyan);
}

.page-contact .partnership-cta__mail {
  margin: 0;
  font-family: var(--font-data);
  font-size: 19px;
  color: var(--color-heading);
  overflow-wrap: anywhere;
}

.page-contact .partnership-cta__sub {
  margin: 4px 0 0;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-text);
}

/* ---------- 渠道示意 ---------- */
.page-contact .contact-channels {
  border-top: 1px solid rgba(51, 65, 85, 0.6);
  border-bottom: 1px solid rgba(51, 65, 85, 0.6);
  background: linear-gradient(105deg, var(--contact-indigo-soft), rgba(10, 25, 47, 0.4) 48%, rgba(255, 107, 53, 0.06));
}

.page-contact .contact-channels__grid {
  display: grid;
  gap: 36px;
  align-items: center;
}

.page-contact .contact-channels__copy .section-index {
  margin-bottom: 8px;
}

.page-contact .contact-channels__copy h2 {
  margin: 10px 0 14px;
  font-family: var(--font-heading);
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: clamp(26px, 3vw, 38px);
  color: var(--color-heading);
}

.page-contact .contact-channels__copy p {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-text);
}

.page-contact .channels-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .channels-list li {
  position: relative;
  padding-left: 20px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.65;
  color: var(--color-text);
}

.page-contact .channels-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 2px;
  background: var(--color-accent);
}

.page-contact .channels-list strong {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-heading);
}

.page-contact .contact-channels__media {
  display: flex;
  justify-content: center;
}

.page-contact .contact-channels__frame {
  width: 100%;
  max-width: 440px;
  aspect-ratio: 400 / 250;
}

.page-contact .contact-channels__frame::after {
  content: "";
  position: absolute;
  right: 8px;
  bottom: 8px;
  width: 30px;
  height: 30px;
  border-right: 2px solid var(--color-cyan);
  border-bottom: 2px solid var(--color-cyan);
  z-index: 1;
  pointer-events: none;
}

/* ---------- 媒体框统一 ---------- */
.page-contact .media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: rgba(51, 65, 85, 0.24);
  padding: 8px;
}

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

/* ---------- FAQ 快速入口 ---------- */
.page-contact .contact-faq {
  position: relative;
}

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

.page-contact .faq-entry {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 20px 20px;
  border: 1px solid var(--color-border);
  background: rgba(10, 25, 47, 0.5);
  text-decoration: none;
  color: inherit;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-contact .faq-entry:hover {
  transform: translateY(-3px);
  border-color: rgba(214, 158, 46, 0.55);
  box-shadow: var(--shadow-sm);
}

.page-contact .faq-entry .tag {
  align-self: flex-start;
}

.page-contact .faq-entry h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 19px;
  font-weight: 700;
  color: var(--color-heading);
}

.page-contact .faq-entry p {
  flex: 1;
  margin: 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-text);
}

.page-contact .faq-entry__link {
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--color-gold);
}

/* ---------- 平板断点 ---------- */
@media (min-width: 768px) {
  .page-contact .section-head {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
  }

  .page-contact .section-head__note {
    padding-bottom: 4px;
    text-align: right;
    flex-shrink: 0;
  }

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

  .page-contact .contact-card--mail {
    grid-column: span 2;
    min-height: 180px;
  }

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

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

  .page-contact .faq-entry:first-child {
    grid-column: span 2;
  }

  .page-contact .faq-entry:first-child p {
    max-width: 52ch;
  }

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

  .page-contact .partnership-cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
  }

  .page-contact .partnership-cta__copy {
    flex: 1;
  }
}

/* ---------- 桌面断点 ---------- */
@media (min-width: 1024px) {
  .page-contact .contact-hero {
    padding-top: 48px;
    padding-bottom: 88px;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 64px;
  }

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

  .page-contact .contact-card--mail {
    grid-column: span 1;
    min-height: 210px;
  }

  .page-contact .contact-response__grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 64px;
  }

  .page-contact .contact-response__frame {
    width: 300px;
  }

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

  .page-contact .contact-channels__grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 64px;
  }

  .page-contact .contact-channels__frame {
    max-width: 440px;
  }

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

  .page-contact .faq-entry:first-child {
    grid-column: span 1;
  }

  .page-contact .faq-entry:first-child p {
    max-width: none;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .radar-sweep,
  .page-contact .radar-blip,
  .page-contact .hero-status__dot {
    animation: none;
  }
}