.single-leg-stance-test-page {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    flex-direction: column;
    min-height: 100vh;
    background-color: #000000;
    z-index: 10;
}

.single-leg-stance-test-page.active {
    display: flex;
}
.single-leg-stance-test-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 1.5rem 1rem;
    position: relative;
    z-index: 10;
    flex-shrink: 0;
}

.single-leg-stance-test-back-button {
    background: #151515;
    border: 3px solid #5d2500;
    border-radius: 1rem;
    color: #FF6600;
    padding: 2rem 3rem;
    font-size: 2rem;
    cursor: pointer;
    font-family: 'HarmonyOS_Sans_SC_Regular', Arial, sans-serif;
    min-width: 15rem;
    min-height: 5rem;
}

.single-leg-stance-test-header-right {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.single-leg-stance-test-help-button {
    background: #151515;
    border: 3px solid #5d2500;
    border-radius: 1rem;
    color: #FF6600;
    min-height: 5rem;
    min-width: 5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    cursor: pointer;
    font-family: 'HarmonyOS_Sans_SC_Regular', Arial, sans-serif;
    padding: 2rem 3rem;
}

.single-leg-stance-test-menu-button {
    background: #151515;
    border: 3px solid #5d2500;
    border-radius: 1rem;
    color: #FF6600;
    padding: 2rem 3rem;
    font-size: 2rem;
    cursor: pointer;
    font-family: 'HarmonyOS_Sans_SC_Regular', Arial, sans-serif;
    min-width: 15rem;
    min-height: 5rem;
}

/* 测试主体内容样式 */
.single-leg-stance-test-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem 1.5rem;
}

.timer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 0 6rem;
    margin-bottom: 1rem;
}
.test-timer-underline {
    width: 55rem;
    height: 2px;
    background-color: #272727;
    position: relative;
}
.timer-label {
    color: #ffffff;
    font-size: 1.8rem;
    font-family: 'HarmonyOS_Sans_SC_Regular', Arial, sans-serif;
}

.test-timer-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    margin-top: 5rem;
}

.timer-circle-container {
    position: relative;
    width:40rem;
    height: 40rem;
}

.timer-circle {
    width: 100%;
    height: 100%;
}

.timer-background {
    fill: none;
    stroke: #ff6600;
    stroke-width: 4;
}



.timer-indicator-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 2rem;
    height: 2rem;
    z-index: 2;
    pointer-events: none;
}

.timer-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
}

.timer-number {
    color: #ffffff;
    font-size: 20rem;
   
    font-family: 'Morganite-Black-2', Arial, sans-serif;
    line-height: 1;
}

.timer-unit {
    color: #ffffff;
    font-size: 4rem;
    font-family: 'HarmonyOS_Sans_SC_Regular', Arial, sans-serif;
}

.timer-warning {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 1rem;
    width: 40rem;
}

.timer-warning-line1 {
    color: #FF012B ;
    font-size: 2rem;
    font-family: 'HarmonyOS_Sans_SC_Regular', Arial, sans-serif;
    line-height: 1.2;
}

.timer-warning-line2 {
    color: #FF012B ;
    font-size: 2rem;
    font-family: 'HarmonyOS_Sans_SC_Regular', Arial, sans-serif;
    line-height: 1.2;
}

.test-meters {
    display: flex;
    gap: 6rem;
    align-items: flex-end;
}

.meter-container {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 1.2rem;
    margin-top: 5rem;
}

.meter-label {
    color: #ffffff;
    font-size: 3rem;
   
    font-family: 'HarmonyOS_Sans_SC_Bold', Arial, sans-serif;
    order: 1;
}

.meter-container:first-child .meter-label {
    order: -1;
    margin-right: auto;
}

.meter-container:last-child .meter-label {
    order: 2;
    margin-left: auto;
}

.meter-bar-L {
    position: relative;
    width: 7rem;
    height: 23rem;
    border: 3px solid #333;
    border-radius:0.9rem;
    overflow: hidden;
    background-image: url('../image/img29.png');
    background-size: 100% 100%;
    background-repeat: no-repeat;
    background-position: center;
}
.meter-bar-R {
    position: relative;
    width: 7rem;
    height: 23rem;
    border: 3px solid #333;
    border-radius: 0.9rem;
    overflow: hidden;
    background-image: url('../image/img29.png');
    background-size: 100% 100%;
    background-repeat: no-repeat;
    background-position: center;
}

/* 30° 标记线（直接页面加载可见） */
.meter-bar-L .threshold-line,
.meter-bar-R .threshold-line {
    position: absolute;
    left: 28%;
    right: 12%;
    height: 3px;
    background: #ffffff;
    opacity: 1;
    border-radius: 2px;
    pointer-events: none;
    z-index: 3;
    box-shadow: 0 0 6px rgba(255,255,255,0.85);
    width: 3rem;
}

/* Single-Leg Stance Help Modal Styles */
.single-leg-stance-help-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 10001;
}

.single-leg-stance-help-overlay.active {
    display: flex;
}

.single-leg-stance-help-modal {
    width: calc(100% - 12rem);
    max-width: 90rem;
    background: #151515;
    border-radius: 1.2rem;
    padding: 2.4rem 3.2rem 2.8rem;
    display: flex;
    flex-direction: column;
}

.single-leg-stance-help-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.8rem;
}

.single-leg-stance-help-modal-title {
    color: #ffffff;
    font-size: 2.8rem;
    font-family: 'HarmonyOS_Sans_SC_Bold', Arial, sans-serif;
}

.single-leg-stance-help-modal-close {
    width: 4rem;
    height: 4rem;
    border: none;
    background-color: transparent;
    background-image: url('../icon/close.png');
    background-repeat: no-repeat;
    background-position: center;
    background-size: 100% 100%;
    cursor: pointer;
    transition: opacity 0.2s ease;
}

.single-leg-stance-help-modal-close:hover {
    opacity: 0.7;
}

.single-leg-stance-help-modal-close:active {
    opacity: 0.5;
}

.single-leg-stance-help-modal-body {
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    color: #ffffff;
    font-size: 1.6rem;
    font-family: 'HarmonyOS_Sans_SC_Regular', Arial, sans-serif;
    line-height: 1.6;
    text-align: justify;
    padding-right: 1.5rem;
}

.single-leg-stance-help-question {
    margin: 2rem 0 0.5rem;
    font-size: 1.8rem;
    font-weight: 600;
    color: #ffffff;
}

.single-leg-stance-help-modal-body p {
    margin: 0;
    padding-left: 3rem;
    text-align: left;
}

.single-leg-stance-help-modal-body .single-leg-stance-help-question + p,
.single-leg-stance-help-modal-body .single-leg-stance-help-question + ul {
    margin-top: 0;
    margin-bottom: 1.6rem;
    padding-left: 3rem;
}

.single-leg-stance-help-modal-body .single-leg-stance-help-question + ul {
    margin-left: 3rem;
    padding-left: 2rem;
}

.single-leg-stance-help-modal-body .single-leg-stance-help-question:first-child {
    margin-top: 0;
}