:root {
    --guide-bg: #ffffff;
    --guide-text: #333333;
    --guide-primary: #009688; /* Green Sea */
    --guide-secondary: #f39c12; /* Orange */
    --guide-step-bg: #f9f9f9;
    --guide-border: #eeeeee;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    background-color: var(--guide-bg); color: var(--guide-text);
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    line-height: 1.6;
}

.guide-container { max-width: 900px; margin: 0 auto; padding: 0 30px; }

/* Header */
.guide-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 20px 0; border-bottom: 2px solid var(--guide-primary);
    margin-bottom: 40px;
}
.guide-brand {
    font-size: 24px; font-weight: bold; color: var(--guide-primary);
    display: flex; align-items: center; gap: 10px;
}
.guide-brand::before { content: '📖'; font-size: 24px; }
.guide-nav { display: flex; gap: 20px; }
.guide-nav a {
    color: #555; text-decoration: none; font-weight: bold;
    padding: 5px 10px; border-radius: 4px; transition: background 0.3s;
}
.guide-nav a:hover, .guide-nav a.active {
    background: var(--guide-primary); color: #fff;
}

/* Hero */
.guide-hero { text-align: center; margin-bottom: 60px; }
.guide-hero h1 { font-size: 36px; color: #222; margin-bottom: 15px; }
.guide-hero p { font-size: 18px; color: #666; max-width: 600px; margin: 0 auto;}

/* Steps */
.guide-steps { margin-bottom: 80px; }
.step-card {
    background: var(--guide-step-bg); border: 1px solid var(--guide-border);
    border-radius: 8px; padding: 30px; margin-bottom: 30px;
    display: flex; gap: 30px; align-items: flex-start;
}
.step-num {
    font-size: 36px; font-weight: bold; color: var(--guide-primary);
    background: #fff; width: 60px; height: 60px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    border: 2px solid var(--guide-primary); flex-shrink: 0;
}
.step-content h3 { font-size: 22px; color: #222; margin-bottom: 10px;}
.step-content p { font-size: 16px; color: #555; margin-bottom: 15px;}
.step-img {
    width: 100%; max-width: 400px; height: 200px; background: #eaeaea;
    border-radius: 4px; border: 1px dashed #ccc; display: flex;
    align-items: center; justify-content: center; color: #999; font-style: italic;
}

.btn-guide {
    display: inline-block; padding: 12px 30px; font-size: 16px; font-weight: bold;
    color: #fff; background: var(--guide-secondary); border-radius: 4px;
    text-decoration: none; transition: background 0.3s;
}
.btn-guide:hover { background: #d68910; }

/* FAQ */
.guide-faq { margin-bottom: 60px; }
.guide-faq h2 { font-size: 26px; border-bottom: 1px solid var(--guide-border); padding-bottom: 10px; margin-bottom: 30px;}
.g-faq-item { margin-bottom: 20px; }
.g-fq { font-weight: bold; color: var(--guide-primary); font-size: 18px; margin-bottom: 5px;}
.g-fa { color: #555; font-size: 15px; padding-left: 15px; border-left: 3px solid var(--guide-border);}

footer {
    text-align: center; padding: 30px 0; color: #999; font-size: 14px;
    border-top: 1px solid var(--guide-border);
}

@media (max-width: 768px) {
    .step-card { flex-direction: column; align-items: center; text-align: center; }
}