* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html,
body,
#app {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: #000;
}

.page {
    width: 100%;
    height: 100%;
    max-width: 480px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    background: #000;
    position: relative;
    overflow: hidden;
}

/* ---- 顶部 Header ---- */

.top-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    height: 64px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-logo {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    object-fit: cover;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.header-icon-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 0;
}

.header-icon-btn img {
    width: 27.8px;
    height: auto;
}

/* ---- 轮播（占满 header 和 CTA 之间） ---- */

.fullscreen-swiper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.banner-stage {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.banner-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ---- 底部 CTA ---- */

.cta-section {
    position: absolute;
    bottom: 10px;
    left: 0;
    right: 0;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 20px 24px;
}

.cta-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
    color: #fff;
}

.cta-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 280px;
    height: 44px;
    border-radius: 9999px;
    background: linear-gradient(90deg, #e51845, #ff6b9d);
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(229, 24, 69, 0.5);
}

/* ---- 动画 ---- */

@keyframes colorFlash {
    0% {
        color: #ff4444;
    }
    16% {
        color: #ff9900;
    }
    33% {
        color: #ffee00;
    }
    50% {
        color: #44ff44;
    }
    66% {
        color: #44ccff;
    }
    83% {
        color: #cc44ff;
    }
    100% {
        color: #ff4444;
    }
}

.flash-text {
    animation: colorFlash 1.2s linear infinite;
    font-weight: 700;
}

@keyframes borderFlash {
    0% {
        border-color: #ff4444;
        color: #ff4444;
    }
    16% {
        border-color: #ff9900;
        color: #ff9900;
    }
    33% {
        border-color: #ffee00;
        color: #ffee00;
    }
    50% {
        border-color: #44ff44;
        color: #44ff44;
    }
    66% {
        border-color: #44ccff;
        color: #44ccff;
    }
    83% {
        border-color: #cc44ff;
        color: #cc44ff;
    }
    100% {
        border-color: #ff4444;
        color: #ff4444;
    }
}

.header-title {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 1px;
    opacity: 0.75;
    color: #fff;
    /* animation: colorFlash 1.2s linear infinite; */
}