/* ==========================================================
   联系页专属样式  page-contact
   作用域严格限定在 .page-contact
   ========================================================== */
.page-contact {
  --ct-pad: clamp(48px, 8vw, 88px);
  --ct-line: rgba(0, 255, 157, 0.35);
  --ct-panel: #0B1C30;
  --ct-input: #0A192F;
  --ct-muted: rgba(255, 255, 255, 0.72);
  --ct-white: #F4F8FC;
}

/* ---------- 面包屑 ---------- */
.page-contact .contact-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--f-mono);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 36px;
}
.page-contact .contact-breadcrumb a {
  color: var(--c-neon);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}
.page-contact .contact-breadcrumb a:hover {
  color: var(--c-gold);
}

/* ---------- HERO 首屏 ---------- */
.page-contact .contact-hero {
  background: var(--c-deep);
  color: var(--ct-white);
  padding: 28px 0 var(--ct-pad);
  position: relative;
  overflow: hidden;
}
.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 255, 157, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 157, 0.05) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}
.page-contact .hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
.page-contact .hero-copy .section-index {
  color: var(--c-neon);
  font-size: 13px;
  letter-spacing: 0.16em;
  margin: 0 0 18px;
}
.page-contact .hero-copy h1 {
  font-family: var(--f-head);
  font-weight: 700;
  font-size: clamp(30px, 4.4vw, 52px);
  line-height: 1.2;
  margin: 0 0 22px;
  max-width: 15em;
  letter-spacing: -0.01em;
}
.page-contact .hero-lead {
  color: var(--ct-muted);
  font-size: 16px;
  line-height: 1.8;
  max-width: 46em;
  margin: 0 0 26px;
}
.page-contact .hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 8px;
}
.page-contact .hero-tags .tag-line {
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
}
.page-contact .hero-tags .tag-gold {
  color: var(--c-gold);
  border-color: rgba(255, 215, 0, 0.5);
  background: rgba(255, 215, 0, 0.08);
}

/* ---------- HERO 媒体框 ---------- */
.page-contact .hero-media {
  position: relative;
  border: 1px solid var(--ct-line);
  background: var(--c-surface);
  padding: 12px;
}
.page-contact .hero-media::after {
  content: "";
  position: absolute;
  right: 8px;
  top: 8px;
  width: 8px;
  height: 8px;
  background: var(--c-neon);
}
.page-contact .hero-media-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-contact .media-caption {
  display: block;
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--c-neon);
  text-align: right;
}

/* ---------- 分屏区 ---------- */
.page-contact .contact-split {
  background: var(--c-bg);
  padding: 64px 0;
}
.page-contact .contact-split-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
}
.page-contact .split-head {
  margin-bottom: 24px;
}
.page-contact .split-head .section-index {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-gray);
  margin: 0 0 10px;
}
.page-contact .split-head .section-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--c-text);
  margin: 0;
}
.page-contact .channels-stack {
  display: grid;
  gap: 14px;
  margin-bottom: 24px;
}

/* ---------- 渠道卡片 ---------- */
.page-contact .channel-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  background: #fff;
  border: 1px solid var(--c-line);
  padding: 16px 14px;
  text-decoration: none;
  color: var(--c-text);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
  position: relative;
}
.page-contact .channel-card:hover {
  border-color: var(--c-neon);
  box-shadow: 0 0 0 3px rgba(0, 255, 157, 0.12);
}
.page-contact .channel-code {
  background: var(--c-deep);
  color: var(--c-neon);
  padding: 4px 8px;
  font-size: 11px;
  letter-spacing: 0.14em;
  white-space: nowrap;
}
.page-contact .channel-body {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}
.page-contact .channel-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--c-gray);
}
.page-contact .channel-value {
  font-family: var(--f-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
  word-break: break-all;
  overflow-wrap: anywhere;
}
.page-contact .channel-note {
  font-size: 12px;
  line-height: 1.5;
  color: var(--c-gray);
}
.page-contact .channel-arrow {
  color: var(--c-cyan);
  font-size: 18px;
  font-weight: 700;
}
.page-contact .channel-more {
  width: 30px;
  height: 30px;
  border: 1px solid var(--c-line);
  background: transparent;
  color: var(--c-cyan);
  font-family: var(--f-mono);
  font-size: 14px;
  cursor: pointer;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.page-contact .channel-more:hover {
  border-color: var(--c-neon);
  color: var(--c-neon);
}
.page-contact .tel-tip {
  grid-column: 2 / -1;
  font-size: 12px;
  line-height: 1.6;
  color: var(--c-gray);
  background: rgba(0, 255, 157, 0.08);
  border-left: 2px solid var(--c-neon);
  padding: 6px 10px;
}

/* ---------- 服务能力数据面板 ---------- */
.page-contact .response-panel {
  background: var(--c-deep);
  border: 1px solid var(--c-line);
  padding: 18px 16px;
  color: var(--ct-white);
}
.page-contact .response-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 14px;
}
.page-contact .response-metric {
  border-left: 1px solid var(--ct-line);
  padding-left: 10px;
}
.page-contact .response-num {
  display: block;
  font-size: 22px;
  font-weight: 700;
  color: var(--c-neon);
  line-height: 1.2;
}
.page-contact .response-label {
  display: block;
  margin-top: 4px;
  font-size: 11px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.68);
}
.page-contact .response-note {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 12px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.66);
}

/* ---------- 反馈面板 ---------- */
.page-contact .feedback-panel {
  background: var(--ct-panel);
  border: 1px solid var(--c-line);
  padding: clamp(18px, 3vw, 28px);
  color: var(--ct-white);
  position: relative;
}
.page-contact .feedback-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.03) 0px,
    rgba(255, 255, 255, 0.03) 1px,
    transparent 1px,
    transparent 24px
  );
  pointer-events: none;
}
.page-contact .panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
  position: relative;
}
.page-contact .panel-code {
  color: var(--c-neon);
  font-size: 12px;
  letter-spacing: 0.14em;
}
.page-contact .feedback-title {
  font-family: var(--f-head);
  font-weight: 700;
  font-size: 24px;
  margin: 0 0 8px;
  position: relative;
}
.page-contact .feedback-desc {
  color: var(--ct-muted);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 24px;
  position: relative;
}
.page-contact .field-group {
  margin-bottom: 16px;
  position: relative;
}
.page-contact .field-label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--c-neon);
  margin-bottom: 6px;
}
.page-contact .field-input {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid var(--c-line);
  background: var(--ct-input);
  color: var(--ct-white);
  font-family: var(--f-body);
  font-size: 14px;
  line-height: 1.6;
  padding: 10px 12px;
  border-radius: 0;
  outline: none;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.page-contact .field-input::placeholder {
  color: rgba(255, 255, 255, 0.35);
}
.page-contact .field-input:focus {
  border-color: var(--c-neon);
  box-shadow: 0 0 0 3px rgba(0, 255, 157, 0.18);
}
.page-contact select.field-input {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--c-neon) 50%),
    linear-gradient(135deg, var(--c-neon) 50%, transparent 50%);
  background-position:
    calc(100% - 18px) calc(50% + 2px),
    calc(100% - 13px) calc(50% + 2px);
  background-size: 5px 5px;
  background-repeat: no-repeat;
}
.page-contact select.field-input option {
  background: var(--c-deep);
  color: var(--ct-white);
}
.page-contact textarea.field-input {
  resize: vertical;
  min-height: 120px;
}
.page-contact .btn-submit {
  width: 100%;
  margin: 8px 0 14px;
  position: relative;
}
.page-contact .feedback-next {
  display: block;
  border: 1px dashed var(--ct-line);
  background: rgba(0, 255, 157, 0.06);
  padding: 14px 14px 16px;
  margin-bottom: 14px;
  position: relative;
}
.page-contact .feedback-next p {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.78);
}
.page-contact .feedback-next .mono-num {
  color: var(--c-neon);
}
.page-contact .panel-foot {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.5);
  margin: 0;
  position: relative;
}

/* ---------- 商务合作 ---------- */
.page-contact .contact-partnership {
  background: var(--c-deep);
  color: var(--ct-white);
  padding: var(--ct-pad) 0;
}
.page-contact .contact-partnership .section-head {
  margin-bottom: 36px;
}
.page-contact .contact-partnership .section-index {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-neon);
  margin: 0 0 10px;
}
.page-contact .contact-partnership .section-title {
  font-size: clamp(24px, 3.4vw, 36px);
  color: var(--ct-white);
  margin: 0;
}
.page-contact .partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.page-contact .partner-card {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  color: var(--ct-white);
  padding: 24px 20px;
  margin: 0;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.page-contact .partner-card:hover {
  border-color: var(--c-neon);
  box-shadow: 0 0 0 3px rgba(0, 255, 157, 0.12);
}
.page-contact .partner-code {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-gold);
  display: block;
  margin-bottom: 14px;
}
.page-contact .partner-card h3 {
  font-family: var(--f-head);
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 10px;
}
.page-contact .partner-card p {
  color: var(--ct-muted);
  font-size: 14px;
  line-height: 1.7;
  margin: 0;
}
.page-contact .partner-note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 22px;
}
.page-contact .partner-note p {
  margin: 0;
  color: var(--ct-muted);
  font-size: 14px;
  line-height: 1.7;
}
.page-contact .partner-note .mono-num {
  color: var(--c-gold);
  font-size: 13px;
}
.page-contact .partner-note .btn-ghost {
  border-color: rgba(255, 255, 255, 0.45);
  color: #fff;
}

/* ---------- 到访指引 ---------- */
.page-contact .contact-visit {
  background: var(--c-bg);
  padding: var(--ct-pad) 0;
}
.page-contact .contact-visit .section-head {
  margin-bottom: 36px;
}
.page-contact .contact-visit .section-index {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-text);
  margin: 0 0 10px;
}
.page-contact .contact-visit .section-title {
  font-size: clamp(24px, 3.4vw, 36px);
  color: var(--c-text);
  margin: 0;
}
.page-contact .visit-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
.page-contact .visit-media {
  margin: 0;
  border: 1px solid var(--c-line);
  background: var(--c-surface);
  padding: 10px;
}
.page-contact .visit-map-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-contact .media-meta {
  display: block;
  margin-top: 8px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-neon);
  text-align: right;
}
.page-contact .visit-info {
  padding: 8px 0;
}
.page-contact .visit-info .tag-line.on-dark {
  margin-bottom: 14px;
  display: inline-block;
}
.page-contact .visit-address {
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--c-text);
  margin: 0 0 14px;
}
.page-contact .visit-desc {
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-gray);
  max-width: 40em;
  margin: 0 0 18px;
}
.page-contact .visit-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}
.page-contact .visit-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 8px 0;
  border-bottom: 1px dashed rgba(45, 55, 72, 0.35);
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-text);
}
.page-contact .visit-list .mono-num {
  color: var(--c-cyan);
  font-size: 13px;
}
.page-contact .visit-info .btn-ghost {
  border-color: var(--c-line);
  color: var(--c-text);
}
.page-contact .visit-icp {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-gray);
  margin: 18px 0 0;
  border-top: 1px solid var(--c-line);
  padding-top: 14px;
}

/* ---------- 键盘焦点与无障碍 ---------- */
.page-contact a:focus-visible,
.page-contact button:focus-visible,
.page-contact input:focus-visible,
.page-contact select:focus-visible,
.page-contact textarea:focus-visible {
  outline: 2px solid var(--c-neon);
  outline-offset: 2px;
}

/* ==========================================================
   响应式
   ========================================================== */
@media (max-width: 640px) {
  .page-contact .response-metrics {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-contact .response-metric:nth-child(3) {
    grid-column: 1 / -1;
  }
  .page-contact .channel-card {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .page-contact .channel-arrow {
    display: none;
  }
  .page-contact .tel-tip {
    grid-column: 1 / -1;
  }
}

@media (min-width: 768px) {
  .page-contact .partner-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
}

@media (min-width: 1024px) {
  .page-contact .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
  }
  .page-contact .hero-copy {
    padding-right: 12px;
  }
  .page-contact .contact-split-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 56px;
  }
  .page-contact .split-left {
    position: sticky;
    top: 120px;
  }
  .page-contact .visit-layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 48px;
    align-items: center;
  }
}