@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;700;800&display=swap');

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

body {
    min-width: 1400px;
    font-family: 'Arial', 'Microsoft YaHei', sans-serif;
    background: url('https://cdn.yishironghua.uno/athenaclub/backimg.jpg') no-repeat ;
    background-size: cover;
    color: #ffffff;
}

.container {
    width: 100%;
    max-width: 1800px;
    margin: 0 auto;
    padding: 0 120px;
}

.hero-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 60px 0;
}

.text-content {
    text-align: center;
    margin-bottom: 60px;
}

.main-title {
    font-family: 'Syne', sans-serif;
    font-size: 77px;
    font-weight: bold;
    line-height: 1.2;
    margin-bottom: 30px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.subtitle {
    font-family: 'Syne', sans-serif;
    font-size: 20px;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.9);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

.image-content {
    width: 100%;
    max-width: 1200px;
    text-align: center;
}

.image-content img {
    width: 100%;
    height: auto;
}


.features-header {
    margin-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 60px;
}

.features-text {
    flex: 1;
    max-width: 600px;
}

.brand-name {
    margin-bottom: 25px;
}

.brand-name img {
    height: 50px;
    width: auto;
}

.section-title {
    font-size: 50px;
    line-height: 1.15;
    margin-bottom: 25px;
}

.section-desc {
    font-size: 20px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.75);
}

.features-image {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: flex-end;
    min-height: 400px;
}

.features-image img {
    max-width: 600px;
    width: 100%;
    height: auto;
}

/* 卡片网格 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    position: relative;
    background: linear-gradient(180deg, #020C01 17.1%, rgba(7, 32, 24, 0.58) 95.09%);
    border: 1px solid rgba(74, 222, 128, 0.2);
    border-radius: 20px;
    padding: 20px 30px;
    height: 340px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.feature-card::before {
    content: '';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 200px;
    height: 300px;
    background: url('https://cdn.yishironghua.uno/athenaclub/Group_4\ \(1\).png') no-repeat center;
}

.card-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
}

.card-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    line-height: 1.4;
}

.card-desc {
    font-size: 18px;
    line-height: 1.6;
    color: #98A2B3;
}

/* 第三部分 - AI Trading Section */
.ai-trading-section {
    padding: 60px 0;
}

/* 头部：左右布局 */
.ai-section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 40px;
    padding: 10px 0;
    margin-bottom: 40px;
}

.ai-header-left {
    flex: 1;
}

.ai-header-right {
    flex: 0 0 auto;
}

.ai-triangle-decoration {
    width: 220px;
    height: auto;
}

.ai-title {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 0;
}

/* Body容器：左右布局 */
.ai-body-container {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    position: relative;
    z-index: 2;
}

/* 左侧内容 */
.ai-left-content {
    flex: 1;
    max-width: 950px;
    display: flex;
    flex-direction: column;
}

.ai-text-block {
    margin-bottom: 50px;
}

.ai-desc {
    font-size: 22px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 30px;
}

/* 右侧手机图 */
.ai-right-phone {
    flex: 0 0 420px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    margin-top: -40px;
}

.ai-right-phone img {
    width: 100%;
    height: auto;
    max-height: 850px;
    object-fit: contain;
}

/* AI卡片网格 */
.ai-cards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 60px;
    flex: 1;
}

.ai-card {
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
}

.ai-card img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 20px;
}

/* 第一个卡片特殊样式 */
.ai-card-first {
    background: url('https://cdn.yishironghua.uno/athenaclub/athena-card.png') no-repeat center center;
    background-size: cover;
    padding: 0;
    position: relative;
}

.ai-card-images {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 380px;
}

.ai-robot-img {
    position: absolute;
    left: -10px;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    height: auto;
    object-fit: contain;
}

.ai-card-right-content {
    position: absolute;
    right: 40px;
    top: 32px;
    width: 46%;
    z-index: 2;
    text-align: left;
}

.ai-card-right-content .ai-card-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 22px;
    line-height: 1.15;
    color: #ffffff;
}

.ai-card-right-content .ai-card-text {
    font-size: 20px;
    line-height: 1.6;
    margin-bottom: 0;
    color: rgba(255, 255, 255, 0.95);
}

.ai-screens-img {
    position: absolute;
    right: 40px;
    bottom: 36px;
    width: 55%;
    height: auto;
    object-fit: contain;
}

.ai-card-img {
    width: 100%;
    height: auto;
    margin-bottom: 15px;
}

.ai-card-content {
    position: relative;
    z-index: 2;
}

.ai-card-title {
    font-family: 'Syne', sans-serif;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
}

.ai-card-text {
    font-size: 15px;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.8);
}

/* Trading Options */
.trading-options {
    margin-top: 12px;
}

.option-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 8px;
    margin-top: 14px;
}

.option-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.option-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    padding: 8px 16px;
    color: #ffffff;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.option-btn:hover {
    background: rgba(74, 222, 128, 0.2);
    border-color: rgba(74, 222, 128, 0.4);
}

.slider-container {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}

.slider {
    height: 100%;
    border-radius: 4px;
    position: relative;
}

.green-slider {
    width: 65%;
    background: linear-gradient(90deg, #4ade80 0%, #22c55e 100%);
}

.orange-slider {
    width: 70%;
    background: linear-gradient(90deg, #fb923c 0%, #f97316 100%);
}

/* 第四部分 - Strategy Section */
.strategy-section {
    padding: 100px 0;
}

.strategy-container {
    display: flex;
    gap: 150px;
    align-items: center;
}

/* 左侧手机图 */
.strategy-left-phone {
    flex: 0 0 380px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.strategy-left-phone img {
    width: 100%;
    height: auto;
    max-height: 800px;
    object-fit: contain;
}

/* 右侧内容 */
.strategy-right-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.strategy-header {
    margin-bottom: 55px;
    text-align: right;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.strategy-title {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 35px;    
    color: #ffffff;
    text-align: right;
    max-width: 100%;
}

.strategy-desc {
    font-size: 20px;
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.85);
    text-align: right;
    margin-left: auto;
    max-width: 100%;
}

/* 策略卡片网格 */
.strategy-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 60px;
}

.strategy-card {
    position: relative;
    padding:0 0 28px 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.strategy-card-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.strategy-card-bg img {
    width: 100%;
    height: 100%;
}

.strategy-card-icon {
    position: relative;
    z-index: 2;
    width: 130px;
    height: 130px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 15px;
}

.strategy-card-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.strategy-card-title {
    position: relative;
    z-index: 2;
    padding: 0 30px;
    font-size: 17px;
    font-weight: 700;
    line-height: 1.4;
    color: #ffffff;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 第五部分 - Iteration Section */
.iteration-section {
    padding: 100px 0;
}

.iteration-container {
    display: flex;
    gap: 100px;
    align-items: flex-end;
}

/* 左侧内容 */
.iteration-left-content {
    flex: 1;
    display: flex;
    margin-bottom: 20px;
    flex-direction: column;
}


.iteration-title {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.25;
    color: #ffffff;
}

.iteration-images {
    display: flex;
    align-items: flex-end;
    gap: 0;
}

.iteration-robot {
    width: 440px;
    position: relative;
    z-index: 1;
    flex-shrink: 0;
}

.iteration-robot img {
    width: 100%;
    height: auto;
    object-fit: contain;
}

.iteration-decision-panel {
    position: relative;
    width: 100%;
    max-width: 669px;
    margin-left: -208px;
    z-index: 2;
}

.iteration-decision-panel img {
    width: 100%;
    height: auto;
    border-radius: 24px;
}

/* 右侧手机图 */
.iteration-right-phone {
    flex: 0 0 450px;
    display: flex;
    justify-content: center;
    align-items: flex-end;
}

.iteration-right-phone img {
    height: auto;
    max-height: 900px;
    object-fit: contain;
}

/* 第六部分 - Download Section */
.download-section {
    position: relative;
    border-bottom: 1px solid rgba(74, 222, 128, 0.2);
}

.download-section::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 100vw;
    height: 100%;
    background-image: url('https://cdn.yishironghua.uno/athenaclub/Rectangle_34624987 (1).png');
    background-repeat: no-repeat;
    background-position: center center;
    background-size: 100% auto;
    z-index: 0;
    pointer-events: none;
}

.download-container {
    display: flex;
    align-items: center;
    position: relative;
    z-index: 1;
}

/* 左侧手机图 */
.download-phone {
    flex-basis: 50%;
}

.download-phone img {
    width: 100%;
    height: auto;
}

/* 右侧内容 */
.download-content {
    flex-basis: 50%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding-left: 50px;
}

.download-title {
    font-size: 32px;
    color: #ffffff;
    margin: 0 0 40px 0;
    line-height: 1.4;
    font-weight: 400;
}

.download-buttons {
    display: flex;
    gap: 20px;
}

.download-btn {
    height: 50px;
    width: auto;
}

/* Footer */
.footer {
    padding: 60px 0;
    text-align: center;
}

.copyright {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

/* 响应式设计 */
@media (max-width: 1400px) {
    body {
        min-width: 1400px;
    }
}