/* ============================================================
   联系入口 / 页面专属样式
   作用域：.page-contact
   ============================================================ */
.page-contact {
  --p-grid-line: rgba(255, 255, 255, 0.055);
  --p-grid-line-dark: rgba(11, 16, 38, 0.06);
  --p-gold-glow: rgba(251, 191, 36, 0.34);
  --p-purple-glow: rgba(108, 59, 244, 0.32);
  --p-blue-glow: rgba(59, 130, 246, 0.28);
  overflow-x: clip;
}

/* ==================== 首屏 ==================== */
.page-contact .p-contact-hero {
  position: relative;
  overflow: hidden;
  padding: 56px 0 92px;
  background:
    radial-gradient(circle at 78% 16%, var(--p-purple-glow) 0%, transparent 36%),
    linear-gradient(145deg, var(--jnh-bg-abyss) 0%, var(--jnh-bg-deep) 58%, #111B3F 100%);
  color: var(--jnh-white);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 44px), 0 100%);
}

.page-contact .p-contact-hero__mesh {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--p-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--p-grid-line) 1px, transparent 1px);
  background-size: 42px 42px;
  -webkit-mask-image: radial-gradient(ellipse at 72% 28%, #000 0%, transparent 74%);
  mask-image: radial-gradient(ellipse at 72% 28%, #000 0%, transparent 74%);
  pointer-events: none;
}

.page-contact .p-contact-hero__beam {
  position: absolute;
  top: -12%;
  right: -14%;
  width: 48%;
  height: 132%;
  background: linear-gradient(150deg, rgba(108, 59, 244, 0.58) 0%, rgba(108, 59, 244, 0) 72%);
  clip-path: polygon(34% 0, 100% 0, 72% 100%, 0 100%);
  transform: rotate(8deg);
  pointer-events: none;
}

.page-contact .p-contact-hero::before,
.page-contact .p-contact-hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.page-contact .p-contact-hero::before {
  top: 24%;
  right: 18%;
  width: 12px;
  height: 12px;
  background: var(--jnh-gold);
  box-shadow: 0 0 26px var(--p-gold-glow), 0 0 60px rgba(251, 191, 36, 0.22);
}

.page-contact .p-contact-hero::after {
  top: 58%;
  right: 34%;
  width: 6px;
  height: 6px;
  background: var(--jnh-gold-soft);
  box-shadow: 0 0 18px rgba(253, 230, 138, 0.8);
}

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

.page-contact .p-contact-hero .jnh-breadcrumb__link,
.page-contact .p-contact-hero .jnh-breadcrumb__item {
  color: rgba(255, 255, 255, 0.72);
}

.page-contact .p-contact-hero__kicker {
  color: var(--jnh-gold-soft);
  margin-top: 2rem;
}

.page-contact .p-contact-hero__title {
  font-family: var(--jnh-font-display);
  font-size: clamp(2.5rem, 6vw, 4.9rem);
  line-height: 1.06;
  font-weight: 800;
  letter-spacing: -0.04em;
  margin: 18px 0 22px;
}

.page-contact .p-contact-hero__title-sub {
  display: block;
  font-size: clamp(1.05rem, 2vw, 1.55rem);
  font-weight: 400;
  letter-spacing: 0.01em;
  color: var(--jnh-gold-soft);
  margin-top: 14px;
}

.page-contact .p-contact-hero__lead {
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.82);
}

.page-contact .p-contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 30px 0 34px;
}

.page-contact .p-contact-hero__anchors {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
}

.page-contact .p-contact-hero__anchor {
  font-family: var(--jnh-font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.28);
  padding-bottom: 4px;
  text-decoration: none;
  transition: color 0.2s var(--jnh-ease), border-color 0.2s var(--jnh-ease);
}

.page-contact .p-contact-hero__anchor:hover {
  color: var(--jnh-gold);
  border-color: var(--jnh-gold);
}

/* ==================== 在线反馈 ==================== */
.page-contact .p-contact-feedback {
  background: var(--jnh-bg-light);
  padding: 84px 0 96px;
}

.page-contact .p-contact-feedback__header {
  max-width: 780px;
}

.page-contact .p-contact-feedback__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 44px;
  align-items: start;
}

/* 表单卡片 */
.page-contact .p-contact-feedback__form {
  position: relative;
  border-radius: var(--jnh-radius);
  background: var(--jnh-white);
  box-shadow: var(--jnh-shadow);
  padding: 28px;
}

.page-contact .p-demo-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-contact .p-demo-form__field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--jnh-bg-deep);
}

.page-contact .p-demo-form__field input,
.page-contact .p-demo-form__field select,
.page-contact .p-demo-form__field textarea {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid #DCE1EF;
  border-radius: var(--jnh-radius-sm);
  padding: 12px 14px;
  font-family: var(--jnh-font-body);
  font-size: 0.95rem;
  color: var(--jnh-bg-deep);
  background: #F9FAFF;
  outline: none;
  transition: border-color 0.2s var(--jnh-ease), box-shadow 0.2s var(--jnh-ease);
}

.page-contact .p-demo-form__field input:focus,
.page-contact .p-demo-form__field select:focus,
.page-contact .p-demo-form__field textarea:focus {
  border-color: var(--jnh-accent);
  box-shadow: 0 0 0 3px rgba(108, 59, 244, 0.14);
}

.page-contact .p-demo-form__submit {
  align-self: flex-start;
  margin-top: 4px;
}

.page-contact .p-demo-form__note {
  font-size: 0.75rem;
  color: var(--jnh-text);
  margin-top: 4px;
}

/* 反馈成功提示（前端演示） */
.page-contact .p-contact-feedback__sent {
  display: none;
  margin-top: 22px;
  border-radius: var(--jnh-radius-sm);
  background: #EEFCF9;
  border: 1px solid var(--jnh-success);
  padding: 20px 22px;
}

.page-contact .p-contact-feedback__sent:target {
  display: block;
}

.page-contact .p-contact-feedback__sent::before {
  content: "✓";
  display: block;
  width: 32px;
  height: 32px;
  line-height: 30px;
  text-align: center;
  border-radius: 50%;
  background: var(--jnh-white);
  color: var(--jnh-success);
  font-size: 1.05rem;
  margin-bottom: 12px;
  border: 1px solid var(--jnh-success);
}

.page-contact .p-contact-feedback__sent > strong {
  display: block;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--jnh-bg-deep);
  margin-bottom: 8px;
}

.page-contact .p-contact-feedback__sent > p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--jnh-text);
  margin-bottom: 16px;
}

.page-contact .p-contact-feedback__sent-dot {
  display: none;
}

/* 右侧视觉与指标 */
.page-contact .p-contact-feedback__visual {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.page-contact .p-contact-feedback__img {
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--jnh-radius);
  box-shadow: var(--jnh-shadow);
  object-fit: cover;
  aspect-ratio: 640 / 360;
}

.page-contact .p-contact-feedback__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.page-contact .p-contact-feedback__stat {
  border-radius: var(--jnh-radius-sm);
  background: var(--jnh-white);
  border: 1px solid #E3E8F5;
  padding: 18px 16px;
}

.page-contact .p-contact-feedback__stat-num {
  display: block;
  font-family: var(--jnh-font-display);
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--jnh-bg-deep);
}

.page-contact .p-contact-feedback__stat-label {
  display: block;
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--jnh-text);
  margin-top: 6px;
}

/* ==================== 渠道矩阵：深色发报机网格 + 错位卡片 ==================== */
.page-contact .p-contact-channels {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 22%, rgba(108, 59, 244, 0.3) 0%, transparent 40%),
    linear-gradient(145deg, var(--jnh-bg-deep) 0%, var(--jnh-bg-abyss) 100%);
  color: var(--jnh-white);
  padding: 92px 0 108px;
}

.page-contact .p-contact-channels__mesh {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 38px 38px;
  opacity: 0.7;
  pointer-events: none;
}

.page-contact .p-contact-channels__header {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin-bottom: 36px;
}

.page-contact .p-contact-channels__header .jnh-kicker,
.page-contact .p-contact-channels__header .jnh-title {
  color: var(--jnh-white);
}

.page-contact .p-contact-channels__header .jnh-lead {
  color: rgba(255, 255, 255, 0.76);
}

/* 三张不规则卡片：从左上向右下叠放 */
.page-contact .p-contact-channels__stack {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding-top: 12px;
}

.page-contact .p-contact-channel {
  position: relative;
  width: 100%;
  box-sizing: border-box;
  background: var(--jnh-white);
  color: var(--jnh-bg-deep);
  border-radius: 28px;
  padding: 28px;
  box-shadow: 0 28px 70px rgba(6, 9, 24, 0.34);
}

.page-contact .p-contact-channel__index {
  position: absolute;
  top: 22px;
  right: 26px;
  font-family: var(--jnh-font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--jnh-text);
  opacity: 0.65;
}

.page-contact .p-contact-channel__icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--jnh-white);
}

.page-contact .p-contact-channel--email .p-contact-channel__icon {
  background: linear-gradient(135deg, var(--jnh-accent), var(--jnh-accent-dark));
}

.page-contact .p-contact-channel--phone .p-contact-channel__icon {
  background: linear-gradient(135deg, var(--jnh-info), #2563EB);
}

.page-contact .p-contact-channel--address .p-contact-channel__icon {
  background: linear-gradient(135deg, var(--jnh-gold), #D97706);
  color: var(--jnh-white);
}

.page-contact .p-contact-channel__body h3 {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 10px 0 10px;
  color: var(--jnh-bg-deep);
}

.page-contact .p-contact-channel__body p {
  color: var(--jnh-text);
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: 18px;
}

.page-contact .p-contact-channel__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 2px;
  text-decoration: none;
}

.page-contact .p-contact-channel__address-note {
  display: inline-block;
  font-family: var(--jnh-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--jnh-text);
  border-left: 3px solid var(--jnh-gold-soft);
  padding-left: 10px;
}

.page-contact .p-contact-channel__img {
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 20px;
  margin-top: 22px;
  object-fit: cover;
  aspect-ratio: 760 / 400;
}

/* ==================== 渠道边界与使用指引 ==================== */
.page-contact .p-contact-guideline {
  background: var(--jnh-bg-light);
  padding: 88px 0;
}

.page-contact .p-contact-guideline__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}

.page-contact .p-contact-guideline__note p {
  color: var(--jnh-text);
  line-height: 1.8;
  margin-bottom: 16px;
  max-width: 64ch;
}

.page-contact .p-contact-guideline__note a {
  color: var(--jnh-accent);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  transition: color 0.2s var(--jnh-ease);
}

.page-contact .p-contact-guideline__note a:hover {
  color: var(--jnh-accent-dark);
}

.page-contact .p-contact-guideline__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .p-contact-guideline__item {
  position: relative;
  background: var(--jnh-white);
  border-radius: 20px;
  padding: 22px 22px 22px 72px;
  box-shadow: 0 12px 32px rgba(11, 16, 38, 0.08);
}

.page-contact .p-contact-guideline__item-num {
  position: absolute;
  left: 22px;
  top: 26px;
  font-family: var(--jnh-font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--jnh-gold);
}

.page-contact .p-contact-guideline__item-tag {
  display: inline-block;
  font-family: var(--jnh-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--jnh-accent);
  margin-bottom: 6px;
}

.page-contact .p-contact-guideline__item strong {
  display: block;
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--jnh-bg-deep);
}

.page-contact .p-contact-guideline__item small {
  display: block;
  color: var(--jnh-text);
  margin-top: 6px;
  font-size: 0.85rem;
}

/* ==================== 收尾：服务承诺 ==================== */
.page-contact .p-contact-close {
  position: relative;
  background:
    radial-gradient(circle at 84% 18%, rgba(108, 59, 244, 0.32) 0%, transparent 40%),
    linear-gradient(145deg, var(--jnh-bg-deep) 0%, #151042 100%);
  color: var(--jnh-white);
  padding: 112px 0 104px;
  clip-path: polygon(0 14%, 100% 0, 100% 100%, 0 100%);
}

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

.page-contact .p-contact-close__title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  line-height: 1.32;
  font-weight: 700;
  letter-spacing: -0.03em;
  max-width: 720px;
  margin: 12px 0 18px;
}

.page-contact .p-contact-close__text {
  color: rgba(255, 255, 255, 0.8);
  max-width: 60ch;
  line-height: 1.85;
}

.page-contact .p-contact-close__text a {
  color: var(--jnh-gold-soft);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-contact .p-contact-close__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

/* ==================== 响应式增强 ==================== */
@media (min-width: 768px) {
  .page-contact .p-contact-hero {
    padding: 72px 0 112px;
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 64px), 0 100%);
  }

  .page-contact .p-contact-feedback__form {
    padding: 36px;
  }

  .page-contact .p-contact-channel {
    padding: 38px 40px;
  }

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

  .page-contact .p-contact-close {
    padding: 128px 0 104px;
    clip-path: polygon(0 12%, 100% 0, 100% 100%, 0 100%);
  }
}

@media (min-width: 1024px) {
  /* 在线反馈：左表单右视觉 */
  .page-contact .p-contact-feedback__grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 56px;
  }

  /* 渠道卡片错位叠放 */
  .page-contact .p-contact-channels__stack {
    display: block;
    padding-top: 20px;
  }

  .page-contact .p-contact-channel {
    width: 74%;
  }

  .page-contact .p-contact-channel--email {
    margin-left: 2%;
    margin-right: auto;
    transform: rotate(-1deg);
  }

  .page-contact .p-contact-channel--phone {
    margin-left: 24%;
    margin-right: 2%;
    margin-top: -30px;
    transform: rotate(0.6deg);
  }

  .page-contact .p-contact-channel--address {
    margin-left: 6%;
    margin-right: auto;
    margin-top: -26px;
    transform: rotate(-0.4deg);
  }
}