body{
    font-size: 16px ;
}

/* 进度指示器 */
.progress-indicator {
    position: fixed;
    top: 50%;
    right: 40px;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 24px;
    z-index: 100;
    align-items: flex-start;
}

.progress-line {
    position: absolute;
    top: 0;
    right: -20px;
    height: 100%;
    width: 2px;
    background: linear-gradient(180deg, rgba(64, 128, 255, 0.3), rgba(64, 128, 255, 0.6), rgba(64, 128, 255, 0.3));
    z-index: -1;
}

.indicator-item {
    position: relative;
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
    flex-direction: row-reverse;
}

.indicator-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(64, 128, 255, 0.4);
    box-shadow: 0 0 8px rgba(0, 149, 255, 0.3);
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2;
}

.indicator-dot::after {
    content: '';
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #0080ff;
    opacity: 0;
    transition: opacity 0.3s;
}

.indicator-label {
    color: #3a6ea5;
    font-size: 1.5rem;
    margin-left: 15px;
    opacity: 0.7;
    transition: opacity 0.3s ease, color 0.3s;
    white-space: nowrap;
}

.indicator-item.active .indicator-dot {
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 15px rgba(0, 217, 255, 0.4);
    transform: scale(1.1);
}

.indicator-item.active .indicator-dot::after {
    opacity: 1;
}

.indicator-item.active .indicator-label {
    opacity: 1;
    color: #0066cc;
    font-weight: 600;
}

.indicator-item:hover .indicator-label {
    opacity: 1;
}

/* 过渡空间样式 */
.transition-space {
    height: 100px;
    position: relative;
    background: linear-gradient(180deg, rgba(230, 240, 255, 0.8), rgba(240, 248, 255, 0.6));
}

.transition-line {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, transparent, #00a6ff, transparent);
    animation: line-glow 3s infinite linear;
    transform: translateX(-100%);
    opacity: 0;
}

@keyframes line-glow {
    0% {
        opacity: 0;
    }

    50% {
        opacity: 1;
        box-shadow: 0 0 15px #0077ff;
    }

    100% {
        opacity: 0;
    }
}

/* 屏幕通用样式 */
.screen {
    min-height: 100vh;
    width: 100%;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 80px 10% 40px;
}

.screen-content {
    display: flex;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    align-items: center;
    z-index: 2;
}

.content-left,
.content-right {
    flex: 1;
    padding: 30px;
}

.content-left {
    opacity: 0;
    transform: translateY(40px);
}

.content-right {
    opacity: 0;
    position: relative;
}

/* 明亮方案特定样式 */
.screen-1 {
    background: linear-gradient(160deg, #e6f0ff, #c5dfff);
}

.screen-2 {
    background: linear-gradient(160deg, #dcebff, #c0d9ff);
}

.screen-3 {
    background: linear-gradient(160deg, #d2e3ff, #bad1ff);
}

.screen-4 {
    background: linear-gradient(180deg, #e6f0ff, #d2e3ff);
    flex-direction: column;
    justify-content: center;
    padding-top: 100px;
}

/* 整体布局和文本样式 */
.section-title {
    margin-bottom: 20px;
    background: linear-gradient(45deg, #0066cc, #0099ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 1px;
}

.section-desc {
    line-height: 1.7;
    color: #2d5d95;
    margin-bottom: 35px;
    max-width: 500px;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 40px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    background: rgba(255, 255, 255, 0.6);
    padding: 15px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.feature-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(0, 102, 255, 0.1);
    margin-bottom: 0 ;
    margin-right: 15px;
    flex-shrink: 0;
    color: #007bff;
}

.feature-text {
    color: #365a8c;
    line-height: 1.5;
    margin-bottom: 0 ;
}

/* CTA按钮样式 */
.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 18px 40px;
    border-radius: 60px;
    border: none;
    background: linear-gradient(45deg, #007bff, #00a6ff);
    font-weight: 600;
    color: white;
    cursor: pointer;
    box-shadow: 0 8px 25px rgba(0, 123, 255, 0.3);
    position: relative;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    z-index: 1;
}

.cta-button-reset {
    background: linear-gradient(45deg, #fac001, #f8c620);
}

.cta-button:not(:last-child) {
    margin-right: 20px;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, #0066cc, #0088cc);
    opacity: 0;
    transition: opacity 0.3s;
    z-index: -1;
}

.cta-button-reset::before {
    background: linear-gradient(45deg, #fdcb25, #fccf6e);
}

.cta-button::after {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    background: linear-gradient(45deg, #007bff, #00b7ff);
    z-index: -2;
    filter: blur(10px);
    border-radius: 60px;
    opacity: 0;
    transition: opacity 0.3s;
}

.cta-button-reset::after {
    background: linear-gradient(45deg, #fdc717, #fdc03a);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 123, 255, 0.4);
}

.cta-button-reset:hover {
    box-shadow: 0 10px 30px rgba(253, 181, 24, 0.4);
}

.cta-button:hover::before {
    opacity: 1;
}

.cta-button:hover::after {
    opacity: 0.3;
}

.cta-button.pulse {
    animation: pulseEffect 2s infinite;
}

@keyframes pulseEffect {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 123, 255, 0.5);
    }

    70% {
        box-shadow: 0 0 0 15px rgba(0, 123, 255, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(0, 123, 255, 0);
    }
}

/* 第一屏特定样式 */
.browser-frame {
    width: 90%;
    height: 250px;
    background: white;
    border-radius: 15px;
    overflow: hidden;
    margin: 80px auto 0;
    position: relative;
    transform: translateY(100px);
    opacity: 0;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15),
        0 0 0 1px rgba(64, 128, 255, 0.2);
}

.browser-header {
    height: 35px;
    background: linear-gradient(to right, #4a6fff, #36c2ff);
    padding: 8px 15px;
    display: flex;
    align-items: center;
    border-top-left-radius: 15px;
    border-top-right-radius: 15px;
}

.browser-dots {
    display: flex;
    gap: 6px;
}

.browser-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.8);
}

.browser-tab {
    margin-left: 15px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 4px;
    padding: 4px 15px;
    font-size: 0.8rem;
    color: white;
}

.browser-content {
    padding: 20px;
    font-family: monospace;
    height: calc(100% - 35px);
    position: relative;
    overflow: hidden;
    background: #f8fbff;
}

.code-line {
    display: block;
    height: 18px;
    background: rgba(54, 162, 255, 0.1);
    border-radius: 2px;
    margin-bottom: 8px;
    animation: code-flow 3s linear infinite;
}

.code-line:nth-child(1) {
    width: 80%;
    animation-delay: 0s;
}

.code-line:nth-child(2) {
    width: 60%;
    animation-delay: 0.8s;
}

.code-line:nth-child(3) {
    width: 70%;
    animation-delay: 1.6s;
}

.code-line:nth-child(4) {
    width: 50%;
    animation-delay: 2.4s;
}

.code-line:nth-child(5) {
    width: 85%;
    animation-delay: 3.2s;
}

@keyframes code-flow {
    0% {
        transform: translateX(-100%);
        opacity: 0;
    }

    5% {
        opacity: 1;
    }

    95% {
        opacity: 1;
    }

    100% {
        transform: translateX(100%);
    }
}

.browser-view-result {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    padding: 25px 30px;
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(94, 163, 255, 0.3);
}

.result-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(0, 255, 191, 0.1);
    margin-bottom: 15px;
}

.success-text {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.1rem;
    color: #00d1a3;
}

.robotic-arm {
    position: absolute;
    right: 30px;
    bottom: -20px;
    width: 60px;
    height: 60px;
    opacity: 0;
}

.arm-line {
    width: 40px;
    height: 4px;
    background: #1890ff;
    position: absolute;
    border-radius: 2px;
}

.arm-joint {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: #0088ff;
    position: absolute;
    bottom: 0;
    right: 0;
    box-shadow: 0 0 10px rgba(0, 136, 255, 0.6);
}

.arm-hand {
    width: 10px;
    height: 10px;
    background: #0088ff;
    position: absolute;
    bottom: -13px;
    right: 0;
    box-shadow: 0 0 10px rgba(0, 136, 255, 0.6);
    clip-path: polygon(0% 100%, 50% 0%, 100% 100%);
}

/* 第二屏样式 */
.map-container {
    width: 90%;
    height: 350px;
    position: relative;
    margin: 30px auto 0;
    transform: translateX(100px);
    opacity: 0;
}

.world-map {
    width: 100%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1501407967-2baf1f26a234?crop=entropy&cs=tinysrgb&fit=crop&fm=jpg&q=80') center/cover;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(192, 218, 255, 0.5);
}

.scan-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 350px;
    height: 350px;
    border-radius: 50%;
    background:
        radial-gradient(circle, rgba(0, 123, 255, 0.05) 0%, transparent 60%),
        linear-gradient(to right, rgba(0, 123, 255, 0.1) 0%, rgba(0, 123, 255, 0) 50%, rgba(0, 123, 255, 0.1) 100%);
    animation: pulse-map 4s infinite alternate;
}

.logistic-point {
    position: absolute;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #007bff;
    box-shadow: 0 0 15px rgba(0, 123, 255, 0.7);
    z-index: 1;
    animation: pulse-dot 2s infinite;
    opacity: 0;
}

.logistic-point::after {
    content: attr(data-desc);
    position: absolute;
    top: -30px;
    left: 15px;
    white-space: nowrap;
    background: rgba(255, 255, 255, 0.9);
    color: #2d5d95;
    padding: 8px 15px;
    border-radius: 15px;
    font-size: 0.85rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    opacity: 0;
    transition: opacity 0.3s;
}

.logistic-point:hover::after {
    opacity: 1;
}

@keyframes pulse-dot {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 123, 255, 0.4);
    }

    70% {
        box-shadow: 0 0 0 10px rgba(0, 123, 255, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(0, 123, 255, 0);
    }
}

@keyframes pulse-map {
    0% {
        transform: translate(-50%, -50%) scale(1);
    }

    100% {
        transform: translate(-50%, -50%) scale(1.1);
    }
}

/* 第三屏样式 */
.ai-creativity-container {
    max-width: 700px;
    min-height: 400px;
    position: relative;
    transform: translateX(-100px);
    opacity: 0;
}

.input-box {
    position: absolute;
    top: 10%;
    left: 10%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 20px;
    border-radius: 15px;
    width: 260px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(192, 218, 255, 0.8);
    z-index: 2;
}

.input-header {
    color: #2d5d95;
    font-size: 0.9rem;
    margin-bottom: 12px;
    font-weight: 500;
}

.command-input {
    background: rgba(240, 248, 255, 0.8);
    border: 1px solid rgba(128, 181, 255, 0.5);
    border-radius: 10px;
    color: #2d5d95;
    padding: 12px 15px;
    font-family: 'Exo', sans-serif;
    width: 100%;
    font-size: 1.05rem;
}

.img-container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60%;
    aspect-ratio: 4/6;
    background: url('https://images.unsplash.com/photo-1485955900006-10f4d324d411?crop=entropy&cs=tinysrgb&fit=crop&fm=jpg&q=80') center/cover;
    border-radius: 15px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.transformed-img {
    position: absolute;
    top: 50%;
    right: 10%;
    width: 65%;
    height: 75%;
    border-radius: 15px;
    background: url('https://images.unsplash.com/photo-1498050108023-c5249f4df085?crop=entropy&cs=tinysrgb&fit=crop&fm=jpg&q=80') center/cover;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
    transform: translate(30px, -50%) scale(0.8);
    opacity: 0;
}

.ai-beam {
    position: absolute;
    top: 20%;
    left: 10%;
    width: 4px;
    height: 0;
    background: linear-gradient(transparent, #4a6fff, #36c2ff, transparent);
    box-shadow: 0 0 20px #4a6fff, 0 0 15px rgba(54, 194, 255, 0.5);
    transform-origin: top;
    transform: rotate(25deg);
}

/* 第四屏幕样式 */
.tools-trio {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin: 60px 0;
    flex-wrap: wrap;
}

.tools-trio-index{
    gap: 30px ;
    margin: 0 ;
}

.tool-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    border-radius: 24px;
    padding: 30px;
    width: 280px;
    text-align: center;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1),
        0 0 0 1px rgba(82, 139, 255, 0.2);
    transition: transform 0.4s ease, box-shadow 0.4s;
}

.tools-trio-index .tool-card{
    width: auto;
}

.tool-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 40px rgba(0, 123, 255, 0.2),
        0 0 0 1px rgba(82, 139, 255, 0.3);
}

.tool-icon {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(230, 240, 255, 0.6);
    box-shadow: 0 0 25px rgba(0, 123, 255, 0.15);
}

.tool-icon i {
    font-size: 3rem;
    background: linear-gradient(45deg, #0066cc, #0099ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.tool-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: #0066cc;
}

.tool-desc {
    font-size: 1.5rem;
    color: #3a6ea5;
    line-height: 1.6;
}

.final-cta {
    text-align: center;
    margin-top: 40px;
    margin-bottom: 60px;
}

.final-cta-index{
    margin-top: 60px ;
    margin-bottom: 0;
}

.cta-title {
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: #0066cc;
    line-height: 1.3;
    background: linear-gradient(45deg, #0066cc, #0099ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.cta-wrapper {
    position: relative;
    display: inline-block;
}

#final-cta-button {
    color:#ffffff;
    padding: 20px 60px;
    background: linear-gradient(45deg, #007bff, #00a6ff);
    animation: cosmic-pulse 3s infinite;
    box-shadow: 0 0 0 0 rgba(0, 166, 255, 0.6);
}

@keyframes cosmic-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 166, 255, 0.6);
    }

    70% {
        box-shadow: 0 0 0 25px rgba(0, 166, 255, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(0, 166, 255, 0);
    }
}

/* 响应式设计 */
@media (max-width: 1100px) {
    .screen-content {
        flex-direction: column;
        /*padding-top: 80px;*/
    }
    
    .tools-trio{
        gap: 30px ;
        margin: 0 ;
    }
    
    .tool-card{
        width: calc((100% - 60px) / 3);
    }

    .content-left,
    .content-right {
        width: 100%;
        max-width: 600px;
        padding: 20px 20px 60px ;
    }

    .progress-indicator {
        right: 20px;
    }

    .indicator-label {
        font-size: 0.8rem;
    }

    .browser-frame {
        margin: 50px auto 0;
    }
}

@media (max-width: 768px) {
    .section-title {
        font-size: 2.5rem;
    }

    .section-desc {
        font-size: 1.1rem;
    }

    .progress-indicator {
        top: auto;
        bottom: 20px;
        right: 50%;
        transform: translateX(50%);
        flex-direction: row;
        gap: 18px;
        background: rgba(255, 255, 255, 0.8);
        padding: 15px;
        border-radius: 30px;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }

    .indicator-label {
        display: none;
    }

    .progress-line {
        display: none;
    }

    .tools-trio {
        gap: 20px;
    }
    
    .tools-trio-index{
        margin: 0 15px ;
    }

    .tool-card {
        width: 100%;
        max-width: 350px;
    }

    .cta-title {
        font-size: 2rem;
    }
}