/* style.css */
:root {
    --brand-red: #C41E3A; /* 愛租屋紅 */
    --dark-gray: #333333;
    --light-bg: #F8F9FA;
}
body {
    font-family: 'Noto Sans TC', sans-serif;
    margin: 0; padding: 0;
    color: var(--dark-gray);
    line-height: 1.6;
    padding-top: 80px; /* 預留給固定在頂部的選單 */
}
a { text-decoration: none; color: inherit; }

/* 頂部導覽列 */
header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed; width: 100%; top: 0; z-index: 1000;
    display: flex; justify-content: space-between; align-items: center;
    padding: 10px 50px; box-sizing: border-box; height: 80px;
}
.logo img { height: 100px; }
nav ul { list-style: none; display: flex; margin: 0; padding: 0; }
nav ul li { margin-left: 25px; }
nav ul li a { font-weight: 700; transition: color 0.3s; padding: 10px; display: block;}
nav ul li a:hover { color: var(--brand-red); }
.active { color: var(--brand-red) !important; border-bottom: 2px solid var(--brand-red); }

/* 內部橫幅 Banner */
.page-banner {
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('https://images.unsplash.com/photo-1560518883-ce09059eeffa?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover;
    height: 300px; display: flex; flex-direction: column; justify-content: center; align-items: center;
    color: #fff; text-align: center;
}
.page-banner h1 { font-size: 36px; margin: 0 0 10px 0; }
.page-banner p { font-size: 18px; margin: 0; }

/* 內容區塊 */
.container { max-width: 1200px; margin: 50px auto; padding: 0 20px; }
.section-title { text-align: center; font-size: 28px; color: var(--brand-red); margin-bottom: 40px; font-weight: 700; }

/* 服務流程與圖文 (取代原本圖片內的文字) */
.process-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.process-box {
    background: #fff; padding: 30px; border-radius: 10px; box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    border-top: 4px solid var(--brand-red); text-align: center;
}
.process-box h3 { color: var(--brand-red); font-size: 22px; margin-top: 0;}

/* 表單樣式 */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: bold; margin-bottom: 5px; }
.form-control { width: 100%; padding: 10px; border: 1px solid #ccc; border-radius: 5px; box-sizing: border-box; }
.btn-submit { background-color: var(--brand-red); color: #fff; border: none; padding: 12px 30px; font-size: 16px; border-radius: 5px; cursor: pointer; display: block; width: 100%; font-weight: bold;}
.btn-submit:hover { opacity: 0.9; }

/* 頁尾 */
footer { background-color: var(--dark-gray); color: #fff; text-align: center; padding: 20px; font-size: 14px; margin-top: 50px;}

/* 手機版 */
@media (max-width: 768px) {
    header { flex-direction: column; height: auto; padding: 15px; position: static;}
    body { padding-top: 0; }
    nav ul { margin-top: 10px; flex-wrap: wrap; justify-content: center;}
    .page-banner { height: 200px; }
}