.hero {
    position: relative;
    overflow: hidden;
}

/* 🔥 背景暗角 + 科技氛围 */
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(
        circle at center,
        rgba(0,0,0,0.2),
        rgba(0,0,0,0.65)
    );
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    animation: fadeUp 1s ease;
}

/* 更 biotech 的标题 */
.hero-content h1 {
    font-size: 72px;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: 1px;
    margin-bottom: 20px;
    text-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

/* 🔥 glass panel（关键升级） */
.hero-content {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    padding: 40px 60px;
    border-radius: 20px;
    display: inline-block;
    border: 1px solid rgba(255,255,255,0.15);
}

.aluscan-section {
    padding: 110px 20px;
    max-width: 1100px;
    margin: auto;
}

.aluscan-section h2 {
    font-size: 38px;
    font-weight: 800;
    color: #0f4c81;
    margin-bottom: 25px;
    letter-spacing: 0.3px;
}

.aluscan-section p {
    font-size: 18px;
    line-height: 1.9;
    color: #4a5568;
    max-width: 850px;
}

.aluscan-card {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 20px;
    padding: 28px;
    border: 1px solid rgba(15, 76, 129, 0.08);
    box-shadow: 0 15px 40px rgba(0,0,0,0.06);
    text-align: center;
    transition: all 0.4s ease;
}

.aluscan-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 70px rgba(15, 76, 129, 0.2);
}

.aluscan-card img {
    border-radius: 14px;
    margin-bottom: 18px;
}
.aluscan-image {
    width: 100%;
    border-radius: 20px;
    margin-top: 40px;
    box-shadow: 0 25px 60px rgba(0,0,0,0.15);
    transition: all 0.5s ease;
}

.aluscan-image:hover {
    transform: scale(1.03);
    box-shadow: 0 35px 90px rgba(0,0,0,0.22);
}

.aluscan-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 35px; margin-top: 50px; } /* ========== CARD (重点升级) ========== */ .aluscan-card { background: rgba(255, 255, 255, 0.85); backdrop-filter: blur(10px); border: 1px solid rgba(15, 76, 129, 0.08); border-radius: 18px; padding: 25px; box-shadow: 0 10px 30px rgba(0,0,0,0.06); text-align: center; transition: all 0.4s ease; } .aluscan-card:hover { transform: translateY(-8px); box-shadow: 0 25px 60px rgba(15, 76, 129, 0.18); } /* card image */ .aluscan-card img { width: 100%; border-radius: 12px; margin-bottom: 15px; transition: transform 0.4s ease; } .aluscan-card:hover img { transform: scale(1.05); } .aluscan-card h3 { color: #0f4c81; font-size: 20px; margin-bottom: 10px; } /* ========== LIST SECTION ========== */ .aluscan-section ul { margin-top: 25px; padding-left: 20px; } .aluscan-section ul li { margin-bottom: 10px; color: #2d3748; font-size: 16px; }

/* subtitle 更高级 */
.section-subtitle {
    font-size: 18px;
    color: #6b7280;
    margin-bottom: 25px;
    max-width: 800px;
}

/* grid 布局 */
.aluscan-use-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 25px;
    margin-top: 45px;
}

/* card 风格（biotech glass） */
.use-card {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 18px;
    padding: 25px;
    text-align: center;
    border: 1px solid rgba(15, 76, 129, 0.08);
    box-shadow: 0 10px 30px rgba(0,0,0,0.06);
    transition: all 0.4s ease;
}

.use-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 60px rgba(15, 76, 129, 0.18);
}

/* icon */
.use-card i {
    font-size: 28px;
    color: #0f4c81;
    margin-bottom: 12px;
}

/* title */
.use-card h3 {
    font-size: 18px;
    color: #0f4c81;
    margin-bottom: 8px;
}

/* text */
.use-card p {
    font-size: 15px;
    color: #4a5568;
    line-height: 1.6;
}

.aluscan-cta {
    background: linear-gradient(135deg, #0f4c81, #1e90c2);
    padding: 110px 20px;
    text-align: center;
    position: relative;
}

.aluscan-cta h2 {
    font-size: 40px;
    font-weight: 800;
}

.aluscan-cta a {
    display: inline-block;
    margin-top: 30px;
    padding: 16px 36px;
    border-radius: 50px;
    background: white;
    color: #0f4c81;
    font-weight: 700;
    transition: all 0.3s ease;
}

.aluscan-cta a:hover {
    transform: scale(1.08);
    background: #eaf6ff;
}
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
        filter: blur(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }
}