html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    overflow-x: hidden;
    background: #f4f5f7;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: #333;
    font-size: 13px;
}

* {
    box-sizing: border-box;
}

a {
    color: #333;
    text-decoration: none;
}

.stressfulheader {
    background: #ffc107;
    border-bottom: 2px solid #e0a800;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.stressfulheaderinner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px 15px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.stressfullogo img {
    max-height: 40px;
    vertical-align: middle;
}

.stressfulnav {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 15px;
}

.stressfulnav a {
    font-weight: bold;
    color: #212529;
    padding: 6px 10px;
    border-radius: 4px;
}

.stressfulnav a:hover, .stressfulnav .active {
    background: #e0a800;
}

.stressfulwrap {
    max-width: 1200px;
    margin: 15px auto;
    padding: 0 10px;
}

.stressfulcard {
    background: #fff;
    border-radius: 8px;
    border: 1px solid #e1e4e8;
    padding: 15px;
    margin-bottom: 15px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.03);
}

.stressfulcardtitle {
    font-size: 15px;
    font-weight: bold;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 2px solid #ffc107;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.stressfulimg {
    max-width: 44px;
    max-height: 44px;
    object-fit: contain;
    border-radius: 6px;
}

.stressfulgrid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 10px;
}

.stressfulgriditem {
    background: #fff;
    border: 1px solid #f0f0f0;
    border-radius: 6px;
    padding: 10px;
    text-align: center;
    transition: transform 0.2s;
}

.stressfulgriditem:hover {
    transform: translateY(-2px);
    border-color: #ffc107;
}

.stressfulgriditemtitle {
    font-size: 12px;
    font-weight: bold;
    margin: 6px 0 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.stressfulgriditemprice {
    color: #dc3545;
    font-weight: bold;
}

.stressfulbtn {
    display: inline-block;
    background: #ffc107;
    color: #212529;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: bold;
    border-radius: 4px;
    border: none;
    cursor: pointer;
}

.stressfulbtn:hover {
    background: #e0a800;
}

.stressfulfooter {
    background: #ffffff;
    border-top: 1px solid #e1e4e8;
    padding: 25px 0;
    text-align: center;
    margin-top: 30px;
}

.stressfulfooternav a {
    margin: 0 10px;
    color: #6c757d;
    font-size: 12px;
}

.stressfulcopyright {
    color: #6c757d;
    font-size: 12px;
    margin-top: 10px;
}

@media (max-width: 992px) {
    .stressfulgrid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 768px) {
    .stressfulgrid { grid-template-columns: repeat(2, 1fr); }
    .stressfulheaderinner { flex-direction: column; gap: 10px; }
}