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/* ===========================================================
   加入我们（join.html）页面样式
   依赖：base.css / components.css / animations.css / news.css / company.css
   - Hero 复用 .news-hero / .company-hero
   - 底部 CTA 复用 .home-cta
   颜色来自官网色系规范：
     Mystic Purple        #7C35FF  主色 accent
     Abyss Intellect      #191A6A  深色背景
     Misty Purple         #DECDFF  浅紫 tint
     Astral Purple        #BE9AFF  浅紫强调
     Innovative Cyan      #08E6F5  辅助高光
     Nova Cyan            #35C8D6  辅助渐变
   =========================================================== */

.page-content--join {
  --join-purple:        #7C35FF;
  --join-purple-hover:  #6320E5;
  --join-purple-deep:   #191A6A;
  --join-purple-tint:   #DECDFF;
  --join-purple-soft:   #BE9AFF;
  --join-cyan:          #08E6F5;
  --join-cyan-deep:     #35C8D6;
  background: var(--color-bg-page);
}

/* ========== 01 首屏：在公用 news-hero 基础上做按钮组扩展 ========== */
.join-hero .news-hero__content {
  max-width: 760px;
}

.join-hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 28px;
}

.join-hero__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  /* 改为最小宽 + 左右内边距：文案长时按内容自适应，短时仍保持 140px 视觉一致 */
  min-width: 140px;
  height: 48px;
  padding: 0 24px;
  border-radius: 999px;
  font-size: .9375rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.28s ease;
}

.join-hero__btn-icon {
  display: inline-flex;
  width: 20px;
  height: 20px;
}
.join-hero__btn-icon svg {
  width: 100%;
  height: 100%;
}
.join-hero__btn-arrow {
  width: 16px;
  height: 16px;
  transition: transform 0.28s ease;
}
.join-hero__btn:hover .join-hero__btn-arrow {
  transform: translateX(4px);
}

.join-hero__btn--primary {
  color: #fff;
  background: linear-gradient(90deg, #08E6F5, #7C35FF);
  box-shadow: 0 4px 16px rgba(124, 53, 255, 0.28);
}
.join-hero__btn--primary:hover {
  box-shadow: 0 6px 24px rgba(124, 53, 255, 0.38);
  transform: translateY(-1px);
}

.join-hero__btn--ghost {
  position: relative;
  z-index: 0;
  color: var(--join-purple);
  border: none;
  backdrop-filter: blur(4px);
}
.join-hero__btn--ghost::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(90deg, #08e6f5, #7c35ff);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  pointer-events: none;
  z-index: -1;
}
.join-hero__btn--ghost:hover {
  background: #fff;
  color: var(--join-purple-hover);
  transform: translateY(-1px);
}

/* ========== 02 为什么加入云知声 ==========
   卡片视觉与 smart-home 页「行业痛点」完全一致：
   - HTML 上给 section 加 .content-section--pain
   - 公共样式来自 smart-home.css (已在 join.html 中引入)
   图标用线性 PNG (Bootstrap Icons)，颜色由公共样式的 filter 染紫。 */
.why-join-section {
  position: relative;
}

/* ========== 03 工作地点 ========== */
.locations-section {
  background: #F3F2F8;
  position: relative;
  overflow: hidden;
}

.locations-section .container {
  position: relative;
  z-index: 1;
}

/* 北京总部特色卡 */
.locations-feature {
  position: relative;
  display: grid;
  grid-template-columns: 80px 1fr auto;
  align-items: center;
  gap: 22px;
  max-width: 720px;
  margin: 56px auto 40px;
  padding: 26px 32px;
  background: linear-gradient(135deg, #4338CA 0%, #6D28D9 58%, #A78BFA 100%);
  border-radius: 20px;
  color: #fff;
  overflow: hidden;
}
.locations-feature::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.20) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.locations-feature__badge {
  position: absolute;
  top: 16px;
  right: 18px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: #F5F3FF;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.22);
  padding: 4px 10px;
  border-radius: 999px;
  z-index: 1;
}

.locations-feature__icon {
  width: 80px;
  height: 80px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.14);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.locations-feature__icon img {
  width: 56px;
  height: 56px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.locations-feature__city {
  font-size: 28px;
  font-weight: 700;
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}

.locations-feature__desc {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.80);
  margin: 0;
}

.locations-feature__deco {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.locations-feature__deco span {
  display: block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--join-purple-tint);
}
.locations-feature__deco span:nth-child(2) { background: rgba(222, 205, 255, 0.55); }
.locations-feature__deco span:nth-child(3) { background: rgba(222, 205, 255, 0.28); }

/* 城市网格 */
.locations-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}

.locations-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 24px 14px 22px;
  background: #fff;
  border-radius: 14px;
  text-decoration: none;
  color: var(--color-text-primary);
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
  overflow: hidden;
}
.locations-card:hover {
  background: #7C35FF;
  box-shadow: 0 10px 30px rgba(124, 53, 255, 0.24);
}

.locations-card__pin {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 8px;
  height: 8px;
  background: #C4B5FD;
  border-radius: 50%;
  transition: all 0.3s ease;
  z-index: 1;
}
.locations-card:hover .locations-card__pin {
  background: #fff;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.28);
}

.locations-card__icon {
  width: 55px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
  position: relative;
  z-index: 1;
}
.locations-card__icon img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease, filter 0.3s ease;
  /* 默认 #5B5BD6 —— 比 Indigo-500 略深，沉稳带品牌感 */
  filter: brightness(0) saturate(100%)
          invert(30%) sepia(60%) saturate(2238%) hue-rotate(228deg)
          brightness(91%) contrast(91%);
}
.locations-card:hover .locations-card__icon img {
  transform: scale(1.18);
  /* hover 时变纯白 */
  filter: brightness(0) invert(1);
}

.locations-card__city {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text-primary);
  position: relative;
  z-index: 1;
  transition: color 0.3s ease;
}
.locations-card:hover .locations-card__city { color: #fff; }

.locations-card__region {
  font-size: 12px;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
  position: relative;
  transition: color 0.3s ease;
  z-index: 1;
}
.locations-card:hover .locations-card__region { color: rgba(255, 255, 255, 0.85); }

/* ========== 04 底部 CTA：在公用 home-cta 基础上扩展为双按钮 ========== */
.home-cta__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.home-cta__btn--ghost {
  position: relative;
  z-index: 0;
  background: transparent;
  color: var(--join-purple);
  border: none;
  box-shadow: none;
}
.home-cta__btn--ghost::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(90deg, #08e6f5, #7c35ff);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  pointer-events: none;
  z-index: -1;
}
.home-cta__btn--ghost:hover {
  background: rgba(124, 53, 255, 0.08);
  color: var(--join-purple-hover);
  box-shadow: 0 6px 20px rgba(124, 53, 255, 0.18);
}

/* ========== 响应式 ========== */
@media (max-width: 1200px) {
  .locations-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 900px) {
  .locations-feature {
    grid-template-columns: 64px 1fr;
    padding: 22px 24px;
  }
  .locations-feature__deco { display: none; }
  .locations-feature__icon {
    width: 64px;
    height: 64px;
  }
  .locations-feature__icon img {
    width: 44px;
    height: 44px;
  }
  .locations-feature__city { font-size: 24px; }

  .locations-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 640px) {
  .join-hero__btn { width: 128px; height: 44px; font-size: 14px; }

  .locations-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .locations-card { padding: 20px 12px 18px; }
  .locations-card__icon { width: 40px; height: 40px; }

  .home-cta__actions { flex-direction: column; align-items: stretch; }
  .home-cta__btn { justify-content: center; }
}