/* ========== 投资拓展页面 ========== */

/* 通用高亮文字 */
.hl {
  color: #1e6fd9;
}

/* ---------- 1. 本质叙述 ---------- */
.investment-narrative {
  padding: 6rem 0;
  background: #fff;
}

.investment-narrative-head h2 {
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  font-weight: 800;
  color: #1a1a1a;
  letter-spacing: 0.04em;
  margin-bottom: 0.6rem;
  line-height: 1.5;
}

.investment-narrative-en {
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  color: rgba(0, 0, 0, 0.45);
  margin-bottom: 2.5rem;
  text-transform: uppercase;
}

.investment-narrative-body p {
  font-size: 1rem;
  line-height: 1.95;
  color: #2a2a2a;
  margin-bottom: 1.4rem;
}

.investment-narrative-body p strong {
  color: #1a1a1a;
  font-weight: 700;
  margin-right: 0.25rem;
}

/* ---------- 2. 模式 / 内容（左右分栏） ---------- */
.investment-mode {
  padding: 5rem 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.92)),
    url('../images/home/banner1.webp') center / cover no-repeat;
}

.investment-mode-row {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 3rem;
  padding: 2.5rem 0;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.investment-mode-row:first-child {
  border-top: none;
}

.investment-mode-label {
  font-size: 1.5rem;
  font-weight: 800;
  color: #1e6fd9;
  letter-spacing: 0.05em;
}

.investment-mode-text {
  font-size: 1rem;
  line-height: 1.95;
  color: #2a2a2a;
}

/* ---------- 3. 优势 ---------- */
.investment-advantage {
  padding: 6rem 0;
  background: #fff;
}

.investment-advantage-head h2 {
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  font-weight: 800;
  color: #1a1a1a;
  letter-spacing: 0.04em;
  margin-bottom: 2rem;
  line-height: 1.5;
}

.investment-advantage-lead {
  font-size: 1rem;
  line-height: 1.9;
  color: #2a2a2a;
  margin-bottom: 3rem;
}

.investment-advantage-list {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  max-width: 920px;
}

.investment-advantage-item h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 0.6rem;
}

.investment-advantage-item p {
  font-size: 1rem;
  line-height: 1.95;
  color: #2a2a2a;
}

@media screen and (max-width: 768px) {
  .investment-mode-row {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 1.5rem 0;
  }

  .investment-mode-label {
    font-size: 1.25rem;
  }

  .investment-narrative,
  .investment-mode,
  .investment-advantage {
    padding: 4rem 0;
  }
}

/* Hero */
.investment-hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: #fff;
  text-align: center;
}

.investment-hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/common-banner.webp');
  background-size: cover;
  background-position: center;
  z-index: 0;
}

.investment-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.15);
}

.investment-hero-content {
  position: relative;
  z-index: 1;
  max-width: 880px;
  padding: 0 2rem;
}

.investment-hero h1 {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 2rem;
  text-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
  letter-spacing: 0.02em;
}

.investment-hero p {
  font-size: 1.6rem;
  opacity: 0.95;
  margin-bottom: 3rem;
  text-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
  font-weight: 300;
  letter-spacing: 0.05em;
}

.investment-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  justify-content: center;
  margin-top: 2rem;
}

.investment-tag {
  padding: 0.8rem 2rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 40px;
  font-size: 1rem;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(20px);
  transition: all 0.3s ease;
}

.investment-tag:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-2px);
}

/* Section header */
.investment-section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.investment-section-header h2 {
  font-size: clamp(1.8rem, 3.2vw, 2.8rem);
  font-weight: 800;
  margin: 0.75rem 0 1rem;
  color: #1a1a1a;
  letter-spacing: 0.04em;
}

.investment-lead {
  max-width: 760px;
  margin: 0 auto;
  font-size: 1.05rem;
  line-height: 1.8;
  color: rgba(0, 0, 0, 0.7);
}

/* 核心投资领域 */
.investment-areas {
  padding: 7rem 0;
  background: #f8f9fa;
}

.investment-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.investment-card {
  background: #fff;
  padding: 2.5rem 2rem;
  border-radius: 14px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  border-top: 3px solid transparent;
}

.investment-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.12);
  border-top-color: #d12b26;
}

.investment-icon {
  width: 60px;
  height: 60px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(209, 43, 38, 0.1);
  color: #d12b26;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.investment-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: #1a1a1a;
}

.investment-card p {
  font-size: 0.98rem;
  line-height: 1.7;
  color: rgba(0, 0, 0, 0.7);
}

/* 合作模式 */
.investment-models {
  padding: 7rem 0;
  background: #fff;
}

.investment-models-list {
  max-width: 920px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.investment-model-item {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 2rem 2.5rem;
  background: #f8f9fa;
  border-radius: 14px;
  border-left: 4px solid #d12b26;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.investment-model-item:hover {
  transform: translateX(6px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.investment-model-num {
  font-size: 2.6rem;
  font-weight: 900;
  color: #d12b26;
  line-height: 1;
  flex-shrink: 0;
  font-family: "Roboto", sans-serif;
}

.investment-model-body h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: #1a1a1a;
}

.investment-model-body p {
  font-size: 0.98rem;
  line-height: 1.7;
  color: rgba(0, 0, 0, 0.7);
}

/* 联系方式卡片 */
.investment-contact {
  padding: 6rem 0;
  background: #1a1a1a;
}

.investment-contact-card {
  text-align: center;
  color: #fff;
  padding: 3rem 2rem;
}

.investment-contact-card h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
}

.investment-contact-card p {
  font-size: 1.05rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 2rem;
}

.investment-contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 2.2rem;
  background: #d12b26;
  color: #fff;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  border-radius: 999px;
  transition: background 0.3s ease, transform 0.3s ease;
}

.investment-contact-btn:hover {
  background: #b8231e;
  transform: translateY(-2px);
}

/* 响应式 */
@media screen and (max-width: 768px) {
  .investment-areas,
  .investment-models,
  .investment-contact {
    padding: 4rem 0;
  }

  .investment-section-header {
    margin-bottom: 2.5rem;
  }

  .investment-model-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem 1.5rem;
  }

  .investment-model-num {
    font-size: 2rem;
  }
}