/* ========================================
   炫酷英雄轮播图样式
   ======================================== */

.hero-slider {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
    background: #000;
}

.hero-slider .slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1s ease, visibility 1s ease;
}

.hero-slider .slide.active {
    opacity: 1;
    visibility: visible;
}

.hero-slider .slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transform: scale(1.2);
    transition: transform 8s ease-out;
}

.hero-slider .slide.active .slide-bg {
    transform: scale(1);
}

.hero-slider .slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.3) 50%, rgba(0,0,0,0.5) 100%);
}

/* 装饰性粒子背景 */
.hero-slider .particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.hero-slider .particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    animation: float-particle 15s infinite ease-in-out;
}

@keyframes float-particle {
    0%, 100% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) rotate(720deg);
        opacity: 0;
    }
}

/* 内容容器 */
.hero-slider .slide-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 1200px;
    z-index: 10;
    text-align: center;
}

/* 标题容器 */
.hero-slider .title-wrapper {
    position: relative;
    display: inline-block;
    padding: 60px 80px;
    margin-bottom: -18px;
}

/* 标题样式 - 白色 */
.hero-slider .slide-title {
    font-size: 100px;
    font-weight: 900;
    color: #fff;
    line-height: 1.2;
    text-transform: uppercase;
    letter-spacing: 8px;
    overflow: hidden;
    position: relative;
    z-index: 2;
    margin: 0;
}

/* 装饰线框 - 四个角落的L型线 */
.hero-slider .title-wrapper::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    width: 30px;
    height: 30px;
    border-top: 2px solid #fff;
    border-left: 2px solid #fff;
    opacity: 0;
    transform: translate(-10px, -10px);
    transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1) 0.5s;
}

.hero-slider .title-wrapper::after {
    content: '';
    position: absolute;
    top: -5px;
    right: -5px;
    width: 30px;
    height: 30px;
    border-top: 2px solid #fff;
    border-right: 2px solid #fff;
    opacity: 0;
    transform: translate(10px, -10px);
    transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1) 0.6s;
}

/* 下方两个角落的线框 */
.hero-slider .title-border-bottom {
    position: absolute;
    bottom: -5px;
    left: -5px;
    right: -5px;
    pointer-events: none;
}

.hero-slider .title-border-bottom::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 30px;
    border-bottom: 2px solid #fff;
    border-left: 2px solid #fff;
    opacity: 0;
    transform: translate(-10px, 10px);
    transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1) 0.7s;
}

.hero-slider .title-border-bottom::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 30px;
    height: 30px;
    border-bottom: 2px solid #fff;
    border-right: 2px solid #fff;
    opacity: 0;
    transform: translate(10px, 10px);
    transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1) 0.8s;
}

/* 内层脉冲线框 */
.hero-slider .title-wrapper .inner-pulse {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    opacity: 0;
    transform: scale(0.9);
    transition: all 0.8s cubic-bezier(0.23, 1, 0.32, 1) 1s;
}

/* 激活状态 */
.hero-slider .slide.active .title-wrapper::before,
.hero-slider .slide.active .title-wrapper::after,
.hero-slider .slide.active .title-border-bottom::before,
.hero-slider .slide.active .title-border-bottom::after,
.hero-slider .slide.active .title-wrapper .inner-pulse {
    opacity: 1;
    transform: translate(0, 0);
}

.hero-slider .slide.active .title-wrapper .inner-pulse {
    transform: scale(1);
}

/* 内层线框脉冲动画 */
@keyframes border-pulse {
    0%, 100% {
        border-color: rgba(255, 255, 255, 0.3);
        box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
    }
    50% {
        border-color: rgba(255, 255, 255, 0.6);
        box-shadow: 0 0 15px 0 rgba(255, 255, 255, 0.1);
    }
}

.hero-slider .slide.active .title-wrapper .inner-pulse {
    animation: border-pulse 2s ease-in-out infinite;
    animation-delay: 1.5s;
}

.hero-slider .slide-title .word {
    display: inline-block;
    opacity: 0;
    transform: translateY(100px) rotateX(-90deg);
    transition: all 0.8s cubic-bezier(0.23, 1, 0.32, 1);
}

.hero-slider .slide.active .slide-title .word {
    opacity: 1;
    transform: translateY(0) rotateX(0);
}

.hero-slider .slide-title .word:nth-child(1) { transition-delay: 0.1s; }
.hero-slider .slide-title .word:nth-child(2) { transition-delay: 0.2s; }
.hero-slider .slide-title .word:nth-child(3) { transition-delay: 0.3s; }
.hero-slider .slide-title .word:nth-child(4) { transition-delay: 0.4s; }
.hero-slider .slide-title .word:nth-child(5) { transition-delay: 0.5s; }

/* 标题下划线动画 */
.hero-slider .title-underline {
    width: 0;
    height: 4px;
    background: linear-gradient(90deg, #ff6b6b, #feca57, #48dbfb, #ff9ff3);
    background-size: 300% 100%;
    animation: gradient-shift 3s ease infinite;
    margin: 20px auto 0;
    transition: width 1s cubic-bezier(0.23, 1, 0.32, 1) 0.8s;
}

.hero-slider .slide.active .title-underline {
    width: 150px;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* 描述文字 */
.hero-slider .slide-description {
    font-size: 28px;
    /* font-weight: bold; */
    color: #fff;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto 40px;
    padding: 20px 40px;
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    transition: all 1s cubic-bezier(0.23, 1, 0.32, 1) 1s;
}

/* 描述文字背景 - 已取消 */
.hero-slider .slide-description::before {
    display: none;
}

.hero-slider .slide.active .slide-description {
    opacity: 1;
    transform: translateY(0);
}

/* 按钮组 */
.hero-slider .slide-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    opacity: 0;
    transform: translateY(30px);
    transition: all 1s cubic-bezier(0.23, 1, 0.32, 1) 1.2s;
}

.hero-slider .slide.active .slide-buttons {
    opacity: 1;
    transform: translateY(0);
}

.hero-slider .btn-hero {
    padding: 16px 40px;
    font-size: 16px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.hero-slider .btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.hero-slider .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.6);
}

.hero-slider .btn-secondary {
    background: transparent;
    color: #fff;
    border: 2px solid #fff;
}

.hero-slider .btn-secondary:hover {
    background: #fff;
    color: #333;
    transform: translateY(-3px);
}

/* 按钮涟漪效果 */
.hero-slider .btn-hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.hero-slider .btn-hero:active::before {
    width: 300px;
    height: 300px;
}

/* 进度条 */
.hero-slider .slider-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2, #f093fb, #4facfe);
    background-size: 300% 100%;
    width: 0;
    z-index: 100;
    animation: gradient-shift 3s ease infinite;
}

.hero-slider .slide.active .slider-progress {
    transition: width 5s linear;
}

/* 导航按钮 */
.hero-slider .slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 100;
}

.hero-slider .slider-nav:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-50%) scale(1.1);
}

.hero-slider .slider-nav.prev {
    left: 30px;
}

.hero-slider .slider-nav.next {
    right: 30px;
}

.hero-slider .slider-nav svg {
    width: 24px;
    height: 24px;
    fill: #fff;
}

/* 指示器 */
.hero-slider .slider-indicators {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    z-index: 100;
}

.hero-slider .indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.hero-slider .indicator::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid #fff;
    transition: transform 0.3s ease;
}

.hero-slider .indicator.active {
    background: #fff;
}

.hero-slider .indicator.active::after {
    transform: translate(-50%, -50%) scale(1);
}

.hero-slider .indicator:hover {
    background: rgba(255, 255, 255, 0.6);
}

/* 数字指示器 */
.hero-slider .slide-number {
    position: absolute;
    bottom: 40px;
    right: 40px;
    font-size: 120px;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.05);
    line-height: 1;
    z-index: 5;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .hero-slider .slide-title {
        font-size: 70px;
        letter-spacing: 6px;
    }

    .hero-slider .slide-description {
        font-size: 18px;
    }
}

@media (max-width: 992px) {
    .hero-slider .title-wrapper {
        padding: 30px 50px;
    }

    .hero-slider .slide-title {
        font-size: 58px;
        letter-spacing: 4px;
    }

    .hero-slider .slide-description {
        font-size: 17px;
    }

    .hero-slider .slider-nav {
        width: 50px;
        height: 50px;
    }

    .hero-slider .slider-nav.prev {
        left: 15px;
    }

    .hero-slider .slider-nav.next {
        right: 15px;
    }
}

@media (max-width: 768px) {
    .hero-slider {
        height: 100vh;
        min-height: 500px;
    }

    .hero-slider .title-wrapper {
        padding: 25px 40px;
    }

    .hero-slider .slide-title {
        font-size: 42px;
        letter-spacing: 3px;
    }

    .hero-slider .title-underline {
        margin: 15px 0;
    }

    .hero-slider .slide.active .title-underline {
        width: 100px;
    }

    .hero-slider .slide-description {
        font-size: 15px;
        margin-bottom: 30px;
    }

    .hero-slider .slide-buttons {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }

    .hero-slider .btn-hero {
        padding: 14px 30px;
        font-size: 14px;
    }

    .hero-slider .slider-nav {
        display: none;
    }

    .hero-slider .slide-number {
        font-size: 80px;
        bottom: 20px;
        right: 20px;
    }

    .hero-slider .slider-indicators {
        bottom: 20px;
    }
}

@media (max-width: 576px) {
    .hero-slider .title-wrapper {
        padding: 20px 30px;
    }

    .hero-slider .slide-title {
        font-size: 32px;
        letter-spacing: 2px;
    }

    .hero-slider .slide-description {
        font-size: 14px;
        max-width: 100%;
    }

    .hero-slider .slide-content {
        width: 95%;
    }

    .hero-slider .slide-number {
        font-size: 60px;
    }
}