/* 关于我们区样式 */
.about-section {
    position: relative;
    width: 100%;
    background: var(--about-gradient);
    min-height: 100vh;
    padding: 10rem 1.5rem 10rem;
    overflow: hidden;
}

.about-container {
    max-width: 48rem;
    margin: 0 auto;
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    gap: 6rem;
}

.about-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

@media (min-width: 768px) {
    .about-header {
        flex-direction: row;
        align-items: flex-start;
        justify-content: center;
    }
}

.about-mascot-wrapper {
    position: relative;
    margin-top: 2rem;
}

@media (min-width: 768px) {
    .about-mascot-wrapper {
        margin-top: 0;
    }
}

.about-speech-bubble {
    position: absolute;
    top: -4rem;
    right: -3rem;
    background: white;
    color: #0B1038;
    padding: 1.25rem 1.25rem;
    border-radius: 1.5rem;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
    width: 12rem;
    z-index: 20;
    animation: bounce-slow 3s infinite;
    transform-origin: bottom left;
    transform: rotate(2deg);
}

.about-speech-bubble p {
    font-weight: bold;
    font-size: 1.125rem;
    line-height: 1.4;
}

.about-speech-pointer {
    position: absolute;
    bottom: -0.4rem;
    left: px;
    width: 1.5rem;
    height: 1.5rem;
    background: white;
    transform: rotate(50deg) skewX(20deg);
}

.about-mascot-image {
    width: 12rem;
    height: 12rem;
    z-index: 10;
}

@media (min-width: 768px) {
    .about-mascot-image {
        width: 14rem;
        height: 14rem;
    }
}

.about-mascot-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.about-title-wrapper {
    text-align: center;
    padding-top: 1rem;
}

@media (min-width: 768px) {
    .about-title-wrapper {
        text-align: left;
    }
}

.about-title {
    font-size: 3.75rem;
    font-weight: bold;
    color: white;
    margin-bottom: 1.5rem;
    letter-spacing: 0.025em;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

@media (min-width: 768px) {
    .about-title {
        font-size: 4.5rem;
    }
}

.about-intro {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-size: 1.125rem;
    color: rgba(191, 219, 254, 1);
    font-weight: 300;
    line-height: 1.75;
}

@media (min-width: 768px) {
    .about-intro {
        font-size: 1.25rem;
    }
}

.about-year-section {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.about-year-pill {
    background: #1C4FD1;
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
    padding: 0.5rem 2.5rem;
    border-radius: 9999px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 1rem;
}

.about-year-pill.current {
    background: #1C4FD1;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.about-year-pill.future {
    background: #1C4FD1;
}

.about-year-title {
    font-size: 2.25rem;
    font-weight: bold;
    color: white;
    margin-bottom: 2.5rem;
}

@media (min-width: 768px) {
    .about-year-title {
        font-size: 3rem;
    }
}

.about-year-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    width: 100%;
}

@media (min-width: 768px) {
    .about-year-content {
        flex-direction: row;
    }
}

.about-year-text {
    flex: 1;
    text-align: center;
    font-size: 1.125rem;
    color: rgba(191, 219, 254, 1);
    line-height: 1.75;
}

@media (min-width: 768px) {
    .about-year-text {
        text-align: left;
    }
}

.about-year-text p {
    margin-bottom: 0.75rem;
}

.about-year-text .highlight {
    color: #FDE68A;
    font-weight: bold;
    border-bottom: 1px solid rgba(253, 230, 138, 0.3);
    padding-bottom: 0.125rem;
}

.about-year-mascot {
    flex: 1;
    display: flex;
    justify-content: center;
    position: relative;
}

.about-year-mascot-wrapper {
    position: relative;
    width: 10rem;
    height: 10rem;
}

.about-year-mascot-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.about-cloud-base {
    position: absolute;
    bottom: -1.5rem;
    left: -3rem;
    width: 16rem;
    height: 8rem;
    opacity: 0.8;
    z-index: -10;
}

.about-future-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    position: relative;
}

@media (min-width: 768px) {
    .about-future-section {
        align-items: flex-start;
    }
}

.about-future-mascot {
    position: absolute;
    bottom: -2.5rem;
    right: 0;
    display: none;
}

@media (min-width: 768px) {
    .about-future-mascot {
        display: block;
    }
}

.about-future-mascot img {
    width: 12rem;
    height: 12rem;
    object-fit: contain;
}

.about-future-mascot-mobile {
    display: block;
    align-self: center;
}

@media (min-width: 768px) {
    .about-future-mascot-mobile {
        display: none;
    }
}

.about-future-mascot-mobile img {
    width: 10rem;
    height: 10rem;
    object-fit: contain;
}

.about-stars {
    position: absolute;
    color: #FDE68A;
    animation: pulse 2s ease-in-out infinite;
}

.about-star-1 {
    top: 30%;
    right: 10%;
    font-size: 2.25rem;
}

.about-star-2 {
    top: 60%;
    left: 5%;
    font-size: 1.5rem;
    animation-delay: 0.3s;
}

.about-star-3 {
    bottom: 20%;
    right: 20%;
    font-size: 1.875rem;
    animation-delay: 0.7s;
}

@keyframes bounce-slow {
    0%, 100% {
        transform: translateY(0) rotate(2deg);
    }
    50% {
        transform: translateY(-10px) rotate(2deg);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.5;
    }
    50% {
        opacity: 1;
    }
}