:root {
    --primary-color: #667eea;
    --primary-light: #8a9ef5;
    --primary-dark: #5a6fd8;
    --secondary-color: #764ba2;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --border-color: #e5e7eb;
    --accent-color: #ff6b6b;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
}
/* 加载遮罩开始 */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.98);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    flex-direction: column;
    gap: 24px;
    backdrop-filter: blur(20px);
    animation: overlayFadeIn 0.5s ease-out;
}

@keyframes overlayFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.loading-content {
    text-align: center;
    animation: contentBounce 1s ease-out;
}

@keyframes contentBounce {
    0% {
        transform: scale(0.8);
        opacity: 0;
    }
    70% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.loading-spinner {
    width: 70px;
    height: 70px;
    border: 4px solid rgba(102, 126, 234, 0.2);
    border-top: 4px solid var(--primary-color);
    border-right: 4px solid var(--secondary-color);
    border-bottom: 4px solid var(--accent-color);
    border-radius: 50%;
    animation: spin 1.5s linear infinite;
    margin: 0 auto 24px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-text {
    font-size: 18px;
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: 8px;
    animation: textPulse 2s infinite;
}

@keyframes textPulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

.loading-subtext {
    font-size: 14px;
    color: var(--text-light);
}
/* 加载遮罩结束 */
/* 底部导航开始 */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    display: flex;
    padding: 10px 0;
    box-shadow: 0 -2px 20px rgba(0, 0, 0, 0.08);
    z-index: 1000;
    border-top-left-radius: 16px;
    border-top-right-radius: 16px;
    overflow: hidden;
}

.nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 8px 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    color: #909399;
}

.nav-item.active {
    color: #409EFF;
}

.nav-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, #409EFF, #67C23A);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.nav-item.active::after {
    width: 60%;
}

.nav-item.active .nav-icon {
    transform: translateY(-5px) scale(1.15);
    filter: drop-shadow(0 2px 4px rgba(64, 158, 255, 0.3));
}

.nav-item:hover .nav-icon {
    transform: translateY(-2px);
}

.nav-icon {
    font-size: 22px;
    margin-bottom: 6px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(64, 158, 255, 0.05);
}

.nav-item.active .nav-icon {
    background: rgba(64, 158, 255, 0.1);
}

.nav-text {
    font-size: 12px;
    font-weight: 500;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
}

.nav-item.active .nav-text {
    font-weight: 600;
    transform: scale(1.05);
}

/* 添加微妙的背景动画 */
.nav-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(64, 158, 255, 0.03), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav-item.active::before {
    opacity: 1;
}

/* 图标样式 */
.icon {
    width: 24px;
    height: 24px;
    fill: currentColor;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 新增：图标动画效果 */
.nav-item.active .icon {
    animation: iconBounce 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes iconBounce {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
    }
}

/* 新增：脉冲效果 */
.nav-item.active .nav-icon::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: rgba(64, 158, 255, 0.2);
    animation: pulse 1.5s infinite;
    z-index: -1;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    70% {
        transform: scale(1.5);
        opacity: 0;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

/* 新增：图标路径动画 */
.icon-path {
    transition: all 0.3s ease;
}

.nav-item.active .icon-path {
    stroke-dasharray: 100;
    stroke-dashoffset: 100;
    animation: drawIcon 0.5s ease forwards;
}

@keyframes drawIcon {
    to {
        stroke-dashoffset: 0;
    }
}

/* 新增：波纹效果 */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(64, 158, 255, 0.3);
    transform: scale(0);
    animation: ripple 0.6s linear;
    pointer-events: none;
}

@keyframes ripple {
    to {
        transform: scale(2.5);
        opacity: 0;
    }
}
/* 底部导航结束 */
/***  全屏加载动画开始  ***/
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #6a11cb 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: all 1s cubic-bezier(0.23, 1, 0.32, 1);
    overflow: hidden;
}

.loading-screen::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
            radial-gradient(circle at 20% 30%, rgba(255,255,255,0.25) 0%, transparent 40%),
            radial-gradient(circle at 80% 70%, rgba(255,255,255,0.2) 0%, transparent 45%),
            radial-gradient(circle at 40% 80%, rgba(255,255,255,0.15) 0%, transparent 50%);
    opacity: 0.8;
    animation: bg-pulse 8s ease-in-out infinite alternate;
}

.loading-content-tip {
    text-align: center;
    color: white;
    z-index: 10;
    padding: 40px;
    max-width: 90%;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(25px);
    border-radius: 32px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow:
            0 25px 50px rgba(0, 0, 0, 0.25),
            0 0 100px rgba(255, 255, 255, 0.15),
            inset 0 1px 0 rgba(255, 255, 255, 0.3);
    animation: content-float 6s ease-in-out infinite;
}

.loader-container {
    position: relative;
    width: 220px;
    height: 220px;
    margin: 0 auto 50px;
    filter: drop-shadow(0 15px 30px rgba(0, 0, 0, 0.3));
}
.orbit {
    position: absolute;
    border-radius: 50%;
    border: 3px solid transparent;
    animation: orbit-rotate 4s linear infinite;
    filter: drop-shadow(0 0 12px rgba(255, 255, 255, 0.4));
}

.orbit-1 {
    width: 100%;
    height: 100%;
    border-top: 3px solid rgba(255, 255, 255, 0.95);
    border-right: 3px solid rgba(255, 255, 255, 0.8);
    animation-duration: 12s;
    animation-timing-function: cubic-bezier(0.68, -0.55, 0.27, 1.55);
}

.orbit-2 {
    width: 75%;
    height: 75%;
    top: 12.5%;
    left: 12.5%;
    border-bottom: 3px solid rgba(255, 255, 255, 0.8);
    border-left: 3px solid rgba(255, 255, 255, 0.65);
    animation-duration: 8s;
    animation-direction: reverse;
    animation-timing-function: cubic-bezier(0.68, -0.55, 0.27, 1.55);
}

.orbit-3 {
    width: 50%;
    height: 50%;
    top: 25%;
    left: 25%;
    border-top: 3px solid rgba(255, 255, 255, 0.7);
    border-right: 3px solid rgba(255, 255, 255, 0.55);
    animation-duration: 16s;
    animation-timing-function: cubic-bezier(0.68, -0.55, 0.27, 1.55);
}
.central-sphere {
    position: absolute;
    width: 70px;
    height: 70px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle at 35% 35%, #ffffff, rgba(255,255,255,0.85));
    border-radius: 50%;
    box-shadow:
            0 0 50px rgba(255, 255, 255, 0.9),
            0 0 100px rgba(255, 255, 255, 0.7),
            0 0 150px rgba(255, 255, 255, 0.4),
            inset 0 0 30px rgba(255, 255, 255, 0.9);
    animation: central-pulse 4s infinite ease-in-out;
    z-index: 5;
}

.floating-dots {
    position: absolute;
    width: 100%;
    height: 100%;
}

.dot {
    position: absolute;
    border-radius: 50%;
    animation: dot-orbit 12s infinite linear;
    transform-origin: center;
    filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.6));
}

/* 外层轨道点 */
.dot:nth-child(1) {
    width: 18px;
    height: 18px;
    top: 0;
    left: 50%;
    margin-left: -9px;
    background: radial-gradient(circle, #ffffff 50%, rgba(255,255,255,0.7) 80%);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.9);
    animation-duration: 16s;
    animation-delay: 0s;
}

.dot:nth-child(2) {
    width: 16px;
    height: 16px;
    top: 50%;
    right: 0;
    margin-top: -8px;
    background: radial-gradient(circle, #ffffff 50%, rgba(255,255,255,0.65) 80%);
    box-shadow: 0 0 18px rgba(255, 255, 255, 0.85);
    animation-duration: 14s;
    animation-delay: 2s;
}

.dot:nth-child(3) {
    width: 14px;
    height: 14px;
    bottom: 0;
    left: 50%;
    margin-left: -7px;
    background: radial-gradient(circle, #ffffff 50%, rgba(255,255,255,0.6) 80%);
    box-shadow: 0 0 16px rgba(255, 255, 255, 0.8);
    animation-duration: 18s;
    animation-delay: 4s;
}

.dot:nth-child(4) {
    width: 16px;
    height: 16px;
    top: 50%;
    left: 0;
    margin-top: -8px;
    background: radial-gradient(circle, #ffffff 50%, rgba(255,255,255,0.65) 80%);
    box-shadow: 0 0 18px rgba(255, 255, 255, 0.85);
    animation-duration: 15s;
    animation-delay: 6s;
}

/* 中层轨道点 */
.dot:nth-child(5) {
    width: 14px;
    height: 14px;
    top: 12%;
    left: 12%;
    background: radial-gradient(circle, rgba(255,255,255,0.95) 50%, rgba(255,255,255,0.5) 80%);
    box-shadow: 0 0 14px rgba(255, 255, 255, 0.7);
    animation-duration: 13s;
    animation-delay: 1s;
}

.dot:nth-child(6) {
    width: 14px;
    height: 14px;
    top: 12%;
    right: 12%;
    background: radial-gradient(circle, rgba(255,255,255,0.95) 50%, rgba(255,255,255,0.5) 80%);
    box-shadow: 0 0 14px rgba(255, 255, 255, 0.7);
    animation-duration: 12s;
    animation-delay: 3s;
}

.dot:nth-child(7) {
    width: 14px;
    height: 14px;
    bottom: 12%;
    right: 12%;
    background: radial-gradient(circle, rgba(255,255,255,0.95) 50%, rgba(255,255,255,0.5) 80%);
    box-shadow: 0 0 14px rgba(255, 255, 255, 0.7);
    animation-duration: 14s;
    animation-delay: 5s;
}

.dot:nth-child(8) {
    width: 14px;
    height: 14px;
    bottom: 12%;
    left: 12%;
    background: radial-gradient(circle, rgba(255,255,255,0.95) 50%, rgba(255,255,255,0.5) 80%);
    box-shadow: 0 0 14px rgba(255, 255, 255, 0.7);
    animation-duration: 11s;
    animation-delay: 7s;
}

/* 内层轨道点 */
.dot:nth-child(9) {
    width: 12px;
    height: 12px;
    top: 25%;
    left: 25%;
    background: radial-gradient(circle, rgba(255,255,255,0.85) 50%, rgba(255,255,255,0.4) 80%);
    box-shadow: 0 0 12px rgba(255, 255, 255, 0.6);
    animation-duration: 10s;
    animation-delay: 0.5s;
}

.dot:nth-child(10) {
    width: 12px;
    height: 12px;
    top: 25%;
    right: 25%;
    background: radial-gradient(circle, rgba(255,255,255,0.85) 50%, rgba(255,255,255,0.4) 80%);
    box-shadow: 0 0 12px rgba(255, 255, 255, 0.6);
    animation-duration: 11s;
    animation-delay: 2.5s;
}

.dot:nth-child(11) {
    width: 12px;
    height: 12px;
    bottom: 25%;
    right: 25%;
    background: radial-gradient(circle, rgba(255,255,255,0.85) 50%, rgba(255,255,255,0.4) 80%);
    box-shadow: 0 0 12px rgba(255, 255, 255, 0.6);
    animation-duration: 12s;
    animation-delay: 4.5s;
}

.dot:nth-child(12) {
    width: 12px;
    height: 12px;
    bottom: 25%;
    left: 25%;
    background: radial-gradient(circle, rgba(255,255,255,0.85) 50%, rgba(255,255,255,0.4) 80%);
    box-shadow: 0 0 12px rgba(255, 255, 255, 0.6);
    animation-duration: 9s;
    animation-delay: 6.5s;
}

.loading-text-tip {
    font-size: 28px;
    font-weight: 700;
    margin: 40px 0 25px;
    letter-spacing: 1.5px;
    text-shadow:
            0 2px 15px rgba(0, 0, 0, 0.3),
            0 0 30px rgba(255, 255, 255, 0.4);
    animation: text-glow 4s infinite ease-in-out;
    background: linear-gradient(135deg, #ffffff, rgba(255,255,255,0.9));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.loading-subtext-tip {
    font-size: 17px;
    opacity: 0.95;
    margin-bottom: 40px;
    font-weight: 500;
    max-width: 320px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
    animation: text-fade 4s infinite ease-in-out;
    animation-delay: 0.8s;
    text-shadow: 0 1px 10px rgba(0, 0, 0, 0.25);
}

.loading-progress {
    width: 320px;
    height: 12px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    margin: 40px auto;
    overflow: hidden;
    box-shadow:
            0 6px 20px rgba(0, 0, 0, 0.2),
            inset 0 2px 4px rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    position: relative;
}

.progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg,
    rgba(255,255,255,0.9) 0%,
    rgba(255,255,255,1) 50%,
    rgba(255,255,255,0.9) 100%);
    border-radius: 8px;
    animation: progress 3.5s forwards cubic-bezier(0.68, -0.55, 0.27, 1.55);
    box-shadow:
            0 0 30px rgba(255, 255, 255, 0.9),
            0 0 60px rgba(255, 255, 255, 0.6);
    position: relative;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg,
    transparent 0%,
    rgba(255,255,255,0.5) 50%,
    transparent 100%);
    animation: progress-shine 3.5s infinite ease-in-out;
}
.background-elements {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1;
}
.bg-element {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: bg-float 40s infinite linear;
    filter: blur(2px);
}

.bg-element:nth-child(1) {
    width: 200px;
    height: 200px;
    top: 5%;
    left: 3%;
    animation-duration: 45s;
}

.bg-element:nth-child(2) {
    width: 140px;
    height: 140px;
    top: 75%;
    left: 90%;
    animation-duration: 38s;
    animation-delay: -10s;
}

.bg-element:nth-child(3) {
    width: 250px;
    height: 250px;
    top: 15%;
    left: 85%;
    animation-duration: 50s;
    animation-delay: -18s;
}

.bg-element:nth-child(4) {
    width: 180px;
    height: 180px;
    top: 80%;
    left: 5%;
    animation-duration: 42s;
    animation-delay: -13s;
}
/* 新增的粒子效果 */
.particles {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 2;
}

.particle {
    position: absolute;
    border-radius: 50%;
    animation: particle-float 12s infinite linear;
    filter: blur(1px);
}

.particle:nth-child(1) {
    width: 8px;
    height: 8px;
    top: 15%;
    left: 5%;
    background: rgba(255, 255, 255, 0.9);
    animation-delay: 0s;
}

.particle:nth-child(2) {
    width: 6px;
    height: 6px;
    top: 65%;
    left: 95%;
    background: rgba(255, 255, 255, 0.8);
    animation-delay: 1.5s;
}

.particle:nth-child(3) {
    width: 7px;
    height: 7px;
    top: 85%;
    left: 25%;
    background: rgba(255, 255, 255, 0.85);
    animation-delay: 3s;
}

.particle:nth-child(4) {
    width: 5px;
    height: 5px;
    top: 35%;
    left: 78%;
    background: rgba(255, 255, 255, 0.7);
    animation-delay: 4.5s;
}

.particle:nth-child(5) {
    width: 8px;
    height: 8px;
    top: 10%;
    left: 55%;
    background: rgba(255, 255, 255, 0.9);
    animation-delay: 6s;
}

.particle:nth-child(6) {
    width: 7px;
    height: 7px;
    top: 70%;
    left: 15%;
    background: rgba(255, 255, 255, 0.8);
    animation-delay: 7.5s;
}

.particle:nth-child(7) {
    width: 6px;
    height: 6px;
    top: 30%;
    left: 88%;
    background: rgba(255, 255, 255, 0.65);
    animation-delay: 9s;
}

.particle:nth-child(8) {
    width: 8px;
    height: 8px;
    top: 90%;
    left: 68%;
    background: rgba(255, 255, 255, 0.9);
    animation-delay: 10.5s;
}

/* 关键帧动画 */
@keyframes orbit-rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes central-pulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        box-shadow:
                0 0 50px rgba(255, 255, 255, 0.9),
                0 0 100px rgba(255, 255, 255, 0.7),
                0 0 150px rgba(255, 255, 255, 0.4),
                inset 0 0 30px rgba(255, 255, 255, 0.9);
    }
    50% {
        transform: translate(-50%, -50%) scale(1.25);
        box-shadow:
                0 0 80px rgba(255, 255, 255, 1),
                0 0 160px rgba(255, 255, 255, 0.9),
                0 0 220px rgba(255, 255, 255, 0.6),
                inset 0 0 45px rgba(255, 255, 255, 1);
    }
}

@keyframes dot-orbit {
    0% {
        transform: rotate(0deg) translateX(110px) rotate(0deg) scale(1);
    }
    25% {
        transform: rotate(90deg) translateX(110px) rotate(-90deg) scale(1.2);
    }
    50% {
        transform: rotate(180deg) translateX(110px) rotate(-180deg) scale(1);
    }
    75% {
        transform: rotate(270deg) translateX(110px) rotate(-270deg) scale(0.8);
    }
    100% {
        transform: rotate(360deg) translateX(110px) rotate(-360deg) scale(1);
    }
}

/* 为不同轨道的点设置不同的轨道半径和动画 */
.dot:nth-child(5),
.dot:nth-child(6),
.dot:nth-child(7),
.dot:nth-child(8) {
    animation-name: dot-orbit-middle;
}

@keyframes dot-orbit-middle {
    0% {
        transform: rotate(0deg) translateX(82px) rotate(0deg) scale(1);
    }
    25% {
        transform: rotate(90deg) translateX(82px) rotate(-90deg) scale(1.2);
    }
    50% {
        transform: rotate(180deg) translateX(82px) rotate(-180deg) scale(1);
    }
    75% {
        transform: rotate(270deg) translateX(82px) rotate(-270deg) scale(0.8);
    }
    100% {
        transform: rotate(360deg) translateX(82px) rotate(-360deg) scale(1);
    }
}

.dot:nth-child(9),
.dot:nth-child(10),
.dot:nth-child(11),
.dot:nth-child(12) {
    animation-name: dot-orbit-inner;
}

@keyframes dot-orbit-inner {
    0% {
        transform: rotate(0deg) translateX(55px) rotate(0deg) scale(1);
    }
    25% {
        transform: rotate(90deg) translateX(55px) rotate(-90deg) scale(1.2);
    }
    50% {
        transform: rotate(180deg) translateX(55px) rotate(-180deg) scale(1);
    }
    75% {
        transform: rotate(270deg) translateX(55px) rotate(-270deg) scale(0.8);
    }
    100% {
        transform: rotate(360deg) translateX(55px) rotate(-360deg) scale(1);
    }
}

@keyframes progress {
    0% { width: 0%; }
    50% { width: 90%; }
    100% { width: 100%; }
}

@keyframes progress-shine {
    0%, 100% { transform: translateX(-100%); }
    50% { transform: translateX(100%); }
}

@keyframes bg-float {
    0% {
        transform: translate(0, 0) rotate(0deg) scale(1);
    }
    25% {
        transform: translate(80px, 90px) rotate(90deg) scale(1.1);
    }
    50% {
        transform: translate(0, 180px) rotate(180deg) scale(1);
    }
    75% {
        transform: translate(-80px, 90px) rotate(270deg) scale(0.9);
    }
    100% {
        transform: translate(0, 0) rotate(360deg) scale(1);
    }
}

@keyframes bg-pulse {
    0% {
        transform: translateX(0) translateY(0) scale(1);
        opacity: 0.6;
    }
    100% {
        transform: translateX(-40px) translateY(-20px) scale(1.05);
        opacity: 0.9;
    }
}

@keyframes content-float {
    0%, 100% {
        transform: translateY(0) scale(1);
    }
    50% {
        transform: translateY(-10px) scale(1.02);
    }
}

@keyframes text-glow {
    0%, 100% {
        opacity: 0.9;
        filter: brightness(1);
    }
    50% {
        opacity: 1;
        filter: brightness(1.2);
    }
}

@keyframes text-fade {
    0%, 100% {
        opacity: 0.9;
        transform: translateY(0);
    }
    50% {
        opacity: 1;
        transform: translateY(-3px);
    }
}

@keyframes particle-float {
    0% {
        transform: translateY(0) scale(0) rotate(0deg);
        opacity: 0;
    }
    10% {
        transform: translateY(-30px) scale(1) rotate(180deg);
        opacity: 1;
    }
    90% {
        transform: translateY(-270px) scale(1) rotate(720deg);
        opacity: 1;
    }
    100% {
        transform: translateY(-300px) scale(0) rotate(900deg);
        opacity: 0;
    }
}
/* 隐藏加载屏幕的类 */
.loading-screen.hidden {
    opacity: 0;
    transform: scale(1.2);
    pointer-events: none;
}
/*.div-content.visible {*/
/*    opacity: 1;*/
/*    transform: translateY(0) scale(1);*/
/*}*/
.div-content{
    opacity: 0;
    margin-top: 40px;
    margin-left: -30px;
    transition: all 0.8s cubic-bezier(0.23, 1, 0.32, 1);
}
.div-content.visible{
    opacity: 1;
    margin-top: 0;
    margin-left: 0;
}
.status-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin: 25px 0;
    font-size: 14px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    animation: status-pulse 2s infinite ease-in-out;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    animation: status-blink 1.5s infinite ease-in-out;
}

.status-dot:nth-child(2) {
    animation-delay: 0.3s;
}

.status-dot:nth-child(3) {
    animation-delay: 0.6s;
}
@keyframes status-pulse {
    0%, 100% {
        opacity: 0.7;
    }
    50% {
        opacity: 1;
    }
}

@keyframes status-blink {
    0%, 100% {
        opacity: 0.3;
        transform: scale(0.8);
    }
    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}
/***  全屏加载动画开始  ***/
/* 顶部导航开始 */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.page-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 16px 20px 18px;
    box-shadow: var(--shadow-md);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
    animation: slideDown 0.5s ease-out;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.page-title {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.2px;
}

.header-actions {
    display: flex;
    gap: 12px;
}

.icon-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: var(--radius-md);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}
.icon-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-1px);
}
/* 顶部导航结束 */