/* === 輪播圖區域 (現代化輪播設計) === */
:root {
    --slider-transition-speed: 0.7s;
    --slider-transition-timing: cubic-bezier(0.25, 1, 0.5, 1);
    --slider-btn-color: #fff;
    --slider-progress-color: #007bff;
}

.slider-section {
    width: 100%;
    padding: 100px 0;
    background: linear-gradient(135deg, #0f1228 0%, #1a1f3a 100%);
    position: relative;
    overflow: hidden;
}

.slider-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(255, 0, 110, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: 1;
}

.slider-container {
    max-width: 100%;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.slider-wrapper {
    display: flex;
    flex-direction: column;
    gap: 50px;
}

/* 主輪播區域 */
.slider-main {
    position: relative;
    width: 100%;
    height: 550px;
    overflow: hidden;
    cursor: grab;
    user-select: none;
    perspective: 1000px;
}

.slider-main:active {
    cursor: grabbing;
}

.slider-track {
    /*display: flex;*/
    position: relative;
    height: 100%;
    align-items: center;
    will-change: transform;
}

.slider-item {
    position: relative;
    flex: 0 0 calc(55% - 30px);
    height: 90%;
    margin: 0 15px;
    opacity: 0.3;
    transform: scale(0.75) translateZ(0);
    transition: all 0.7s cubic-bezier(0.25, 1, 0.5, 1);
    border-radius: 28px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    background: #1a1f3a;
    filter: brightness(0.7);
}

.slider-item.is-active {
    opacity: 1;
    transform: scale(1) translateZ(0);
    height: 100%;
    
    z-index: 10;
    filter: brightness(1);
    box-shadow: 0 30px 80px rgba(0, 212, 255, 0.4),
                0 0 40px rgba(255, 0, 110, 0.2),
                inset 0 0 30px rgba(0, 212, 255, 0.1);
}

.slider-item img,
.slider-placeholder {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    pointer-events: none;
}

.slider-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: rgba(255, 255, 255, 0.15);
    background: linear-gradient(135deg, #1a1f3a 0%, #2a2f4c 100%);
}

.slider-item.is-active .slider-placeholder {
    color: rgba(255, 255, 255, 0.25);
}

/* 控制按鈕 */
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 20;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    border: 2px solid rgba(255, 255, 255, 0.15);
    color: var(--slider-btn-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(20px);
}

.slider-btn:hover {
    background: rgba(0, 212, 255, 0.15);
    border-color: rgba(0, 212, 255, 0.4);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.6),
                inset 0 0 20px rgba(0, 212, 255, 0.1);
    transform: translateY(-50%) scale(1.15);
}

.slider-btn:active {
    transform: translateY(-50%) scale(0.92);
}

.slider-btn svg {
    width: 28px;
    height: 28px;
    fill: currentColor;
    transition: transform 0.3s ease;
}

.slider-btn:hover svg {
    transform: scale(1.2);
}

.slider-btn-prev {
    left: 30px;
}

.slider-btn-next {
    right: 30px;
}

/* 信息和分頁 */
.slider-info-wrapper {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 30px;
    text-align: center;
}

.slider-captions {
    position: relative;
    min-height: 120px;
    margin-bottom: 40px;
}

.slider-caption {
    position: absolute;
    inset: 0;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

.slider-caption.is-active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.slider-caption h3 {
    font-size: 2.5rem;
    font-weight: 800;
    margin: 0 0 20px;
    color: #fff;
    line-height: 1.2;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #00d4ff, #ff006e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
}

.slider-caption p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.85);
    margin: 0;
    line-height: 1.8;
    letter-spacing: 0.5px;
}

/* 分頁 & 進度條 */
.slider-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.slider-pagination {
    display: flex;
    gap: 14px;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0;
}

.slider-dot:hover {
    background: rgba(0, 212, 255, 0.4);
    border-color: rgba(0, 212, 255, 0.6);
    transform: scale(1.4);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.5);
}

.slider-dot.is-active {
    background: var(--slider-btn-color);
    border-color: var(--slider-btn-color);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.8),
                0 0 40px rgba(0, 212, 255, 0.6);
    transform: scale(1.6);
}

.slider-counter {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.05);
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    backdrop-filter: blur(10px);
}

.slider-counter-current {
    color: #00d4ff;
    font-size: 1.2rem;
    font-weight: 800;
}

/* 響應式設計 */
@media (max-width: 1024px) {
    .slider-item {
        flex-basis: calc(65% - 30px);
        margin: 0 15px;
    }
    .slider-main {
        height: 450px;
    }
    .slider-caption h3 {
        font-size: 2rem;
    }
    .slider-caption p {
        font-size: 1rem;
    }
    .slider-btn {
        width: 52px;
        height: 52px;
    }
    .slider-btn svg {
        width: 24px;
        height: 24px;
    }
}

@media (max-width: 768px) {
    .slider-section {
        padding: 80px 0;
    }
    .slider-wrapper {
        gap: 40px;
    }
    .slider-item {
        flex-basis: calc(75% - 30px);
        margin: 0 12px;
    }
    .slider-main {
        height: 380px;
    }
    .slider-btn {
        width: 48px;
        height: 48px;
    }
    .slider-btn-prev {
        left: 15px;
    }
    .slider-btn-next {
        right: 15px;
    }
    .slider-caption h3 {
        font-size: 1.6rem;
        margin-bottom: 12px;
    }
    .slider-caption p {
        font-size: 0.95rem;
    }
    .slider-info-wrapper {
        padding: 0 20px;
    }
    .slider-captions {
        min-height: 100px;
        margin-bottom: 30px;
    }
    .slider-controls {
        gap: 20px;
    }
    .slider-pagination {
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .slider-section {
        padding: 60px 0;
    }
    .slider-wrapper {
        gap: 30px;
    }
    .slider-item {
        flex-basis: calc(85% - 30px);
        margin: 0 8px;
    }
    .slider-main {
        height: 320px;
    }
    .slider-btn {
        width: 44px;
        height: 44px;
    }
    .slider-btn svg {
        width: 20px;
        height: 20px;
    }
    .slider-btn-prev {
        left: 12px;
    }
    .slider-btn-next {
        right: 12px;
    }
    .slider-caption h3 {
        font-size: 1.3rem;
        margin-bottom: 10px;
    }
    .slider-caption p {
        font-size: 0.9rem;
    }
    .slider-info-wrapper {
        padding: 0 15px;
    }
    .slider-captions {
        min-height: 90px;
        margin-bottom: 25px;
    }
    .slider-controls {
        gap: 15px;
        flex-direction: column;
    }
    .slider-pagination {
        gap: 8px;
    }
    .slider-counter {
        font-size: 0.9rem;
        padding: 6px 12px;
    }
    .slider-counter-current {
        font-size: 1rem;
    }
}