body {
    margin: 0;
    padding: 0;
    font-family: "Kanit", sans-serif;
    background: #000;
	background: url('http://warzironz.com/img/background.png') no-repeat center center fixed;
    background-size: cover;
}

.problems-section {
    padding: 100px 20px;
    max-width: 900px;
    margin: auto;
    background-size: cover;
    background-position: center;
}

/* หัวข้อใหญ่ */
.title {
    font-size: 38px;
    text-align: center;
    color: #fff;
    margin-bottom: 40px;
    padding-bottom: 8px;
    position: relative;
}

.title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 160px;
    height: 3px;
    background: #ff2b2b;
    transform: translateX(-50%);
    border-radius: 2px;
}

/* Accordion */
.accordion {
    background: rgba(0,0,0,0.55);
    margin-bottom: 20px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #222;
}

.accordion-header {
    width: 100%;
    padding: 18px 25px;
    background: rgba(255,255,255,0.05);
    color: #fff;
    font-size: 18px;
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    text-align: left;
}

.accordion-header:hover {
    background: rgba(255,255,255,0.08);
}

.accordion-header .icon {
    font-size: 22px;
    color: #ff2b2b;
    width: 24px;
    text-align: center;
}

.accordion-content {
    display: none;
    padding: 20px 25px;
    color: #ddd;
    background: rgba(0,0,0,0.3);
}

.accordion-content.show {
    display: block;
}

/* รูปภาพ */
.help-img {
    width: 100%;
    border-radius: 6px;
    margin-bottom: 20px;
}

/* ปุ่มโหลด */
.download-btn {
    display: inline-block;
    background: #ff2b2b;
    color: #fff;
    padding: 10px 16px;
    border-radius: 6px;
    font-size: 16px;
    margin-top: 10px;
    text-decoration: none;
    transition: 0.2s;
}

.download-btn:hover {
    background: #ff4545;
}

/* วิดีโอ */
.subtitle {
    color: #fff;
    font-size: 20px;
    margin: 10px 0;
}

.video-box {
    width: 100%;
    margin-top: 10px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #333;
}