/* ============================================
   嵘鳄 RONGE — 大健康科研实力页面样式
   ============================================ */

/* ---- Hero区：橙色渐变背景 ---- */
.research-hero {
    position: relative;
    padding: 0;
    min-height: 400px;
    height: auto;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #E85D04 0%, #F37021 50%, #ff6b25 100%);
}
.research-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 80px 20px;
}
.research-hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    color: #fff;
    letter-spacing: 12px;
    text-shadow: 0 4px 30px rgba(0,0,0,0.3);
    margin-bottom: 16px;
    animation: fadeInUp 0.8s ease-out;
}
.research-hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.95);
    letter-spacing: 4px;
    text-shadow: 0 2px 15px rgba(0,0,0,0.2);
    margin-bottom: 30px;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}
.research-hero-line {
    width: 80px;
    height: 3px;
    background: rgba(255,255,255,0.9);
    margin: 0 auto;
    border-radius: 2px;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}
.research-hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(255,255,255,0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255,255,255,0.08) 0%, transparent 50%);
    z-index: 1;
    pointer-events: none;
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---- 入口卡片区 ---- */
.research-cards-section {
    background: #f8f6f1;
    padding: 80px 0;
}
.research-cards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}
.research-card {
    background: #fff;
    border-radius: 20px;
    padding: 40px 28px;
    text-align: center;
    box-shadow: 0 5px 25px rgba(0,0,0,0.06);
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    border: 2px solid transparent;
    cursor: pointer;
}
.research-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(232,93,4,0.15);
    border-color: rgba(232,93,4,0.2);
}
.research-card-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, #E85D04, #F37021);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.8rem;
    box-shadow: 0 8px 25px rgba(232,93,4,0.3);
    transition: transform 0.35s ease;
}
.research-card:hover .research-card-icon {
    transform: scale(1.1) rotate(5deg);
}
.research-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #2c2c2c;
    margin-bottom: 12px;
}
.research-card p {
    font-size: 0.92rem;
    color: #777;
    line-height: 1.7;
}

/* ---- 通用深色Hero ---- */
.research-hero-dark {
    position: relative;
    padding: 0;
    min-height: 380px;
    height: auto;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 50%, #1a1a1a 100%);
}
.research-hero-dark::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(232,93,4,0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255,107,37,0.06) 0%, transparent 50%);
    z-index: 1;
    pointer-events: none;
}
.research-hero-dark .research-hero-content {
    position: relative;
    z-index: 2;
}
.research-hero-dark .research-hero-title {
    font-size: 3rem;
    font-weight: 900;
    color: #fff;
    letter-spacing: 10px;
}
.research-hero-dark .research-hero-subtitle {
    color: rgba(255,255,255,0.75);
}
.research-hero-dark .research-hero-line {
    background: #E85D04;
}

/* ---- 团队介绍 ---- */
.team-intro-section {
    background: #fff;
    padding: 60px 0;
}
.team-intro-text {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}
.team-intro-text p {
    font-size: 1.05rem;
    color: #555;
    line-height: 1.9;
}

/* ---- 专家卡片 ---- */
.expert-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}
.expert-card {
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 5px 25px rgba(0,0,0,0.08);
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
.expert-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 45px rgba(0,0,0,0.15);
}
.expert-photo {
    width: 100%;
    height: 220px;
    background: linear-gradient(135deg, #f0f0f0, #e0e0e0);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #bbb;
    font-size: 3rem;
    overflow: hidden;
}
.expert-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.expert-info {
    padding: 24px;
    text-align: center;
}
.expert-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: #2c2c2c;
    margin-bottom: 6px;
}
.expert-position {
    font-size: 0.9rem;
    color: #E85D04;
    font-weight: 600;
    margin-bottom: 14px;
}
.expert-desc {
    font-size: 0.88rem;
    color: #777;
    line-height: 1.7;
}

/* ---- 合作机构网格 ---- */
.cooperation-section {
    background: #fff;
    padding: 60px 0;
}
.coop-intro-text {
    max-width: 800px;
    margin: 0 auto 50px;
    text-align: center;
}
.coop-intro-text p {
    font-size: 1.05rem;
    color: #555;
    line-height: 1.9;
}
.coop-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}
.coop-card {
    background: #fff;
    border-radius: 16px;
    padding: 36px 24px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    border: 2px solid #f0f0f0;
    transition: all 0.3s ease;
}
.coop-card:hover {
    border-color: rgba(232,93,4,0.3);
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(232,93,4,0.12);
}
.coop-logo {
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #f5f5f5, #e8e8e8);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ccc;
    font-size: 2rem;
    overflow: hidden;
}
.coop-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 12px;
}
.coop-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: #2c2c2c;
    margin-bottom: 10px;
}
.coop-field {
    font-size: 0.85rem;
    color: #888;
    line-height: 1.6;
}

/* ---- 智造工厂 ---- */
.factory-section {
    background: #f8f6f1;
    padding: 60px 0;
}
.factory-intro-text {
    max-width: 900px;
    margin: 0 auto 50px;
    text-align: center;
}
.factory-intro-text p {
    font-size: 1.05rem;
    color: #555;
    line-height: 1.9;
}
.factory-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}
.factory-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 5px 25px rgba(0,0,0,0.08);
    transition: all 0.35s ease;
}
.factory-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}
.factory-img {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #e8e8e8, #d8d8d8);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #bbb;
    font-size: 2.5rem;
    overflow: hidden;
}
.factory-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.factory-info {
    padding: 24px;
}
.factory-info h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: #2c2c2c;
    margin-bottom: 10px;
}
.factory-info p {
    font-size: 0.9rem;
    color: #777;
    line-height: 1.7;
}
.factory-certs {
    background: #fff;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}
.factory-certs h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #2c2c2c;
    text-align: center;
    margin-bottom: 30px;
}
.cert-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.cert-item {
    text-align: center;
    padding: 20px;
    background: #fafafa;
    border-radius: 12px;
    transition: all 0.3s ease;
}
.cert-item:hover {
    background: #f0f0f0;
    transform: translateY(-3px);
}
.cert-item i {
    font-size: 2rem;
    color: #E85D04;
    margin-bottom: 12px;
}
.cert-item span {
    font-size: 0.9rem;
    color: #555;
    font-weight: 500;
}

/* ---- 大健康展厅 ---- */
.exhibition-section {
    background: #f8f6f1;
    padding: 60px 0;
}
.exhibition-intro-text {
    max-width: 900px;
    margin: 0 auto 50px;
    text-align: center;
}
.exhibition-intro-text p {
    font-size: 1.05rem;
    color: #555;
    line-height: 1.9;
}
.exhibition-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}
.exhibition-card {
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 5px 25px rgba(0,0,0,0.08);
    transition: all 0.35s ease;
}
.exhibition-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 45px rgba(0,0,0,0.15);
}
.exhibition-img {
    width: 100%;
    height: 280px;
    background: linear-gradient(135deg, #e8e8e8, #d8d8d8);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #bbb;
    font-size: 3rem;
    overflow: hidden;
}
.exhibition-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.exhibition-content {
    padding: 32px;
}
.exhibition-content h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #2c2c2c;
    margin-bottom: 14px;
}
.exhibition-content p {
    font-size: 0.95rem;
    color: #777;
    line-height: 1.8;
}

/* ---- 内容区块通用标题 ---- */
.research-section-title {
    text-align: center;
    padding: 50px 0 40px;
}
.research-section-title h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #2c2c2c;
    margin-bottom: 8px;
}
.research-section-title p {
    font-size: 1rem;
    color: #888;
}

/* ---- 响应式 ---- */
@media (max-width: 1024px) {
    .research-cards-grid { grid-template-columns: repeat(2, 1fr); }
    .expert-grid { grid-template-columns: repeat(2, 1fr); }
    .coop-grid { grid-template-columns: repeat(2, 1fr); }
    .factory-grid { grid-template-columns: repeat(2, 1fr); }
    .cert-grid { grid-template-columns: repeat(2, 1fr); }
    .exhibition-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .research-hero-title { font-size: 2.2rem; letter-spacing: 6px; }
    .research-hero-subtitle { font-size: 1rem; letter-spacing: 2px; }
    .research-hero-dark .research-hero-title { font-size: 2rem; letter-spacing: 4px; }
    .research-cards-grid { grid-template-columns: 1fr; }
    .expert-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
    .coop-grid { grid-template-columns: 1fr 1fr; }
    .factory-grid { grid-template-columns: 1fr; }
    .cert-grid { grid-template-columns: repeat(2, 1fr); }
    .exhibition-grid { grid-template-columns: 1fr; }
    .research-section-title h2 { font-size: 1.6rem; }
}