/* ===== corporation.css - 英忆科技 官网样式 ===== */

body {
    background-color: var(--secondary);
    color: var(--text-dark);
}

.corp-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-light);
}

.corp-logo {
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-mid);
}
.nav-links a:hover { color: var(--primary); }
.nav-cta {
    background: var(--primary);
    color: var(--white) !important;
    padding: 8px 20px;
    border-radius: 40px;
    font-weight: 600;
    transition: background 0.2s;
}
.nav-cta:hover { background: var(--primary-light) !important; }

.hero {
    padding: 80px 0 100px;
    background: linear-gradient(160deg, var(--secondary) 0%, #EDEBD8 100%);
    overflow: hidden;
}
.hero h1 { margin-bottom: 16px; }
.hero h1 em { font-style: normal; color: var(--primary); }
.hero p {
    font-size: 1.1rem;
    color: var(--text-mid);
    max-width: 460px;
    margin-bottom: 32px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    background: rgba(30, 77, 143, 0.08);
    color: var(--primary);
    padding: 4px 16px;
    border-radius: 40px;
    font-size: 0.90rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-logo-large {
    width: 220px;
    height: 260px;
    background: linear-gradient(180deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    font-family: Georgia, serif;
    font-size: 6rem;
    font-weight: 800;
    box-shadow: 0 20px 40px -12px rgba(30, 77, 143, 0.3);
    position: relative;
    overflow: hidden;
}
.hero-logo-large::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(201, 148, 58, 0.15) 0%, transparent 60%);
}
.hero-logo-large span { position: relative; z-index: 1; line-height: 1; }

.hero-logo-caption {
    margin-top: 12px;
    font-size: 0.85rem;
    color: var(--text-mid);
    letter-spacing: 1px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary);
    color: var(--white);
    padding: 12px 28px;
    border-radius: 40px;
    font-weight: 600;
    transition: background 0.2s, transform 0.1s;
    border: none;
    cursor: pointer;
}
.btn-primary:hover { background: var(--primary-light); }
.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--primary);
    padding: 12px 28px;
    border-radius: 40px;
    font-weight: 600;
    border: 1.5px solid var(--primary);
    transition: 0.2s;
}
.btn-outline:hover {
    background: var(--white);
    border: 1.5px solid var(--primary-light);
}

.philosophy { padding: 80px 0; background: var(--white); }

.philo-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.philo-text h2 { margin-bottom: 20px; }
.philo-text p { color: var(--text-mid); margin-bottom: 16px; }

.philo-visual {
    background: linear-gradient(145deg, var(--primary), #15355E);
    border-radius: 24px;
    padding: 40px;
    color: white;
    min-height: 320px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    box-shadow: 0 20px 40px -12px rgba(30, 77, 143, 0.25);
    font-family: Georgia, serif;
}
.philo-visual h3 { font-size: 1.8rem; margin-bottom: 16px; }
.philo-visual p { opacity: 0.8; font-size: 0.95rem; }

.hamburger {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    padding: 4px;
}
.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    border-radius: 4px;
    transition: 0.2s;
}

@media (max-width: 820px) {
    .hero-grid { grid-template-columns: 1fr; text-align: center; }
    .hero p { margin-left: auto; margin-right: auto; }
    .hero-actions { justify-content: center; }
    .hero-logo-large { width: 170px; height: 200px; font-size: 4.5rem; }
}
@media (max-width: 798px) {
    .philo-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 66px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(12px);
        flex-direction: column;
        align-items: flex-start;
        padding: 24px 32px;
        gap: 20px;
        opacity: 0;
        border-bottom: 1px solid var(--border-light);
        box-shadow: var(--shadow-md);
        pointer-events: none;
    }
    .nav-links.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .hamburger { display: flex; }

    .hero { padding: 30px 0 90px; }
}