/* ========== 子页面通用样式 - 银河背景 + 玻璃蒙版 ========== */
/* 星空银河背景 + 毛玻璃内容容器 */

/* ========== 页面基础 ========== */
.page-body {
  min-height: 100vh;
  background: #000000;
  color: #ffffff;
}

/* ========== 银河粒子背景层 ========== */
.particle-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
}

.particle-background canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* 背景暗化层：让内容更易读 */
.particle-background::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 0%, rgba(0, 0, 0, 0.5) 100%);
  pointer-events: none;
}

.page-main {
  padding-top: 72px;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

/* ========== 玻璃蒙版容器 ========== */
.glass-panel {
  background: rgba(10, 10, 14, 0.55);
  backdrop-filter: blur(24px) saturate(1.2);
  -webkit-backdrop-filter: blur(24px) saturate(1.2);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 28px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5),
              inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

/* ========== 通用区域 ========== */
.section {
  padding: 72px 64px;
  max-width: 1280px;
  margin: 0 auto 36px;
}

/* 玻璃区块：主要内容包裹在玻璃面板中 */
.section--glass {
  background: rgba(10, 10, 14, 0.55);
  backdrop-filter: blur(24px) saturate(1.2);
  -webkit-backdrop-filter: blur(24px) saturate(1.2);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 28px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5),
              inset 0 1px 0 rgba(255, 255, 255, 0.06);
  margin-left: 48px;
  margin-right: 48px;
  max-width: calc(1280px - 96px);
}

@media (min-width: 1376px) {
  .section--glass {
    margin-left: auto;
    margin-right: auto;
  }
}

.section--narrow {
  max-width: 800px;
}

.section-title {
  font-size: 40px;
  font-weight: 400;
  letter-spacing: -1.4px;
  margin-bottom: 18px;
  color: #ffffff;
}

.section-subtitle {
  font-size: 17px;
  font-weight: 200;
  color: #9a9a9a;
  line-height: 1.7;
  margin-bottom: 48px;
  max-width: 700px;
}

.section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 18px;
}

/* 主题色标签 */
.section-label--warm {
  color: #ffb829;
}

.section-label--cool {
  color: #8052ff;
}

/* ========== 面包屑 ========== */
.breadcrumb {
  padding: 28px 48px 0;
  max-width: 1280px;
  margin: 0 auto;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
  position: relative;
  z-index: 1;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.45);
  text-decoration: none;
  transition: color 0.2s ease;
}

.breadcrumb a:hover {
  color: #ffffff;
}

.breadcrumb span {
  margin: 0 12px;
}

/* ========== Hero 区域：居左大标题 + 玻璃质感 ========== */
.page-hero {
  padding: 96px 48px 72px;
  position: relative;
  z-index: 1;
}

.page-hero__content {
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
}

.page-hero__tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 24px;
  padding: 8px 18px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.page-hero__title {
  font-size: 64px;
  font-weight: 400;
  letter-spacing: -2.4px;
  line-height: 1.15;
  color: #ffffff;
  margin-bottom: 28px;
  max-width: 820px;
  text-shadow: 0 0 20px rgba(0, 0, 0, 0.9),
               0 0 60px rgba(0, 0, 0, 0.8),
               0 4px 16px rgba(0, 0, 0, 0.9),
               0 0 100px rgba(0, 0, 0, 0.6);
}

.page-hero__desc {
  font-size: 18px;
  font-weight: 200;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.82);
  max-width: 620px;
  text-shadow: 0 0 10px rgba(0, 0, 0, 0.95),
               0 0 24px rgba(0, 0, 0, 0.85),
               0 2px 8px rgba(0, 0, 0, 0.9),
               0 0 50px rgba(0, 0, 0, 0.7);
}

/* 主题色 Hero */
.page-hero--warm .page-hero__tag {
  color: #ffb829;
  border-color: rgba(255, 184, 41, 0.3);
  background: rgba(255, 184, 41, 0.06);
}

.page-hero--cool .page-hero__tag {
  color: #8052ff;
  border-color: rgba(128, 82, 255, 0.3);
  background: rgba(128, 82, 255, 0.06);
}

/* ========== 内容卡片（无卡片设计） ========== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 36px;
}

.card-grid--3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* 信息卡片 - 玻璃质感 */
.info-card {
  padding: 28px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all 0.35s ease;
}

.info-card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.14);
  transform: translateY(-3px);
}

.info-card__icon {
  font-size: 32px;
  margin-bottom: 18px;
}

.info-card__title {
  font-size: 24px;
  font-weight: 400;
  color: #ffffff;
  margin-bottom: 12px;
  letter-spacing: -0.48px;
}

.info-card__text {
  font-size: 15px;
  font-weight: 200;
  color: #9a9a9a;
  line-height: 1.6;
}

.info-card__list {
  list-style: none;
  margin-top: 18px;
}

.info-card__list li {
  font-size: 15px;
  color: #9a9a9a;
  padding: 6px 0;
  padding-left: 18px;
  position: relative;
}

.info-card__list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: #9a9a9a;
}

/* ========== 案例卡片 ========== */
.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 36px;
}

.case-card {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
}

.case-card__image {
  height: 220px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #9a9a9a;
  font-size: 15px;
  overflow: hidden;
  position: relative;
  margin-bottom: 24px;
}

.case-card__image video,
.case-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.case-card__tag {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.case-card__tag--warm {
  color: #ffb829;
}

.case-card__tag--cool {
  color: #8052ff;
}

.case-card__title {
  font-size: 24px;
  font-weight: 400;
  color: #ffffff;
  margin-bottom: 12px;
}

.case-card__desc {
  font-size: 15px;
  font-weight: 200;
  color: #9a9a9a;
  line-height: 1.6;
}

/* ========== 流程步骤 ========== */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 36px;
  counter-reset: step;
}

.process-step {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
}

.process-step::before {
  counter-increment: step;
  content: '0' counter(step);
  font-size: 12px;
  font-weight: 600;
  color: #9a9a9a;
  position: absolute;
  top: 24px;
  right: 0;
}

.process-step__title {
  font-size: 18px;
  font-weight: 400;
  color: #ffffff;
  margin-bottom: 12px;
}

.process-step__text {
  font-size: 15px;
  font-weight: 200;
  color: #9a9a9a;
  line-height: 1.6;
}

/* ========== 时间线 ========== */
.timeline {
  position: relative;
  padding-left: 36px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, #ffb829, #8052ff);
}

.timeline__item {
  position: relative;
  padding-bottom: 36px;
}

.timeline__item::before {
  content: '';
  position: absolute;
  left: -30px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #000000;
  border: 2px solid #8052ff;
}

.timeline__year {
  font-size: 15px;
  font-weight: 600;
  color: #8052ff;
  margin-bottom: 6px;
}

.timeline__text {
  font-size: 15px;
  color: #9a9a9a;
  line-height: 1.6;
}

/* ========== 表单 ========== */
.contact-form {
  max-width: 600px;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 12px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  font-size: 15px;
  color: #ffffff;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #9a9a9a;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: #8052ff;
  background: rgba(255, 255, 255, 0.08);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 24px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.35px;
  text-transform: uppercase;
  text-decoration: none;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.btn--primary {
  background: #8052ff;
  color: #ffffff;
}

.btn--primary:hover {
  background: #9a7aff;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(128, 82, 255, 0.4);
}

.btn--warm {
  background: #ffb829;
  color: #000000;
}

.btn--warm:hover {
  background: #ffc94d;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255, 184, 41, 0.4);
}

/* ========== 联系信息 ========== */
.contact-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 36px;
  margin-bottom: 48px;
}

.contact-info__item {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-info__label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #9a9a9a;
  margin-bottom: 12px;
}

.contact-info__value {
  font-size: 18px;
  font-weight: 400;
  color: #ffffff;
}

/* ========== 页脚 ========== */
.page-footer {
  position: relative;
  z-index: 1;
  background: rgba(5, 5, 8, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 60px 48px 36px;
}

.page-footer__content {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}

.page-footer__brand {
  max-width: 300px;
}

.page-footer__logo {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 4px;
  color: #ffffff;
  margin-bottom: 18px;
}

.page-footer__tagline {
  font-size: 15px;
  font-weight: 200;
  color: #9a9a9a;
  line-height: 1.6;
}

.page-footer__title {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #ffffff;
  margin-bottom: 18px;
}

.page-footer__links {
  list-style: none;
}

.page-footer__links li {
  margin-bottom: 12px;
}

.page-footer__links a {
  font-size: 15px;
  color: #9a9a9a;
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-footer__links a:hover {
  color: #ffffff;
}

.page-footer__bottom {
  max-width: 1280px;
  margin: 48px auto 0;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 12px;
  color: #9a9a9a;
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .section {
    padding: 48px 32px;
  }

  .section--glass {
    margin-left: 24px;
    margin-right: 24px;
    max-width: none;
  }

  .page-hero {
    padding: 72px 24px 48px;
  }

  .page-hero__title {
    font-size: 44px;
    letter-spacing: -1.6px;
  }

  .section-title {
    font-size: 32px;
  }

  .breadcrumb {
    padding: 24px 24px 0;
  }

  .page-footer__content {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .page-hero__title {
    font-size: 34px;
    letter-spacing: -1.2px;
  }

  .page-hero__desc {
    font-size: 15px;
  }

  .section {
    padding: 36px 22px;
  }

  .section--glass {
    margin-left: 14px;
    margin-right: 14px;
    border-radius: 20px;
  }

  .section-title {
    font-size: 27px;
  }

  .card-grid,
  .case-grid {
    grid-template-columns: 1fr;
  }

  .page-footer__content {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .contact-form {
    max-width: 100%;
  }
}