/* AEVO Brand Style - Top Tier Consulting Theme */
:root {
    --primary-color: #002060; /* 深藍色 - 權威感 */
    --secondary-color: #444444; /* 深灰色 - 內文 */
    --accent-color: #0056b3; /* 亮藍色 - 互動元素 */
    --bg-light: #FFFFFF;
    --bg-off: #F4F7F6;
    --border-light: #E1E1E1;
    --font-heading: "Georgia", "Times New Roman", serif;
    --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--font-body); color: var(--secondary-color); line-height: 1.6; background-color: var(--bg-light); }
h1, h2, h3, h4 { font-family: var(--font-heading); color: var(--primary-color); font-weight: 700; margin-bottom: 1rem; }
a { text-decoration: none; color: inherit; transition: 0.3s; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 2rem; }
.section-padding { padding: 5rem 0; }
.bg-off { background-color: var(--bg-off); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }

/* Header */
header { background: var(--bg-light); border-bottom: 1px solid var(--border-light); padding: 1.5rem 0; position: sticky; top: 0; z-index: 1000; }
nav { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.8rem; font-weight: 900; color: var(--primary-color); letter-spacing: 1px; font-family: var(--font-heading); }
.nav-links a { margin-left: 2rem; font-size: 0.9rem; text-transform: uppercase; font-weight: 600; color: var(--primary-color); }
.nav-links a:hover, .nav-links a.active { color: var(--accent-color); border-bottom: 2px solid var(--accent-color); }

/* Hero */
.hero { background-color: var(--primary-color); color: white; padding: 8rem 0; }
.hero h1 { color: white; font-size: 3.5rem; line-height: 1.2; margin-bottom: 1.5rem; }
.hero p { font-size: 1.25rem; max-width: 600px; opacity: 0.9; margin-bottom: 2.5rem; color: #ddd; }
.btn { display: inline-block; padding: 1rem 2rem; border: 1px solid white; color: white; text-transform: uppercase; font-weight: 600; }
.btn:hover { background: white; color: var(--primary-color); }

/* Cards & Placeholders */
.service-card { background: white; padding: 2.5rem; border-top: 3px solid var(--primary-color); box-shadow: 0 5px 15px rgba(0,0,0,0.05); transition: transform 0.3s ease; }
.service-card:hover { transform: translateY(-5px); }
.img-placeholder { width: 100%; height: 350px; background-color: #ddd; display: flex; align-items: center; justify-content: center; color: #666; font-style: italic; border-radius: 2px; }

/* Footer */
footer { background: var(--primary-color); color: rgba(255,255,255,0.6); padding: 3rem 0; text-align: center; font-size: 0.9rem; }

/* RWD */
@media (max-width: 768px) { .hero h1 { font-size: 2.5rem; } .grid-2 { grid-template-columns: 1fr; gap: 2rem; } .nav-links { display: none; } }