/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #fff;
    background-color: #121212;

}

a {
    text-decoration: none;
    color: inherit;
}

/* 登录页样式 */
.landing-container {
    min-height: 100vh;
    width: 100%;
    position: relative;
    overflow: hidden;
    background:  url(/static/assets/beijing.png),
    url(/static/assets/beijing2.png),
    url(/static/assets/beijing3.png),
    linear-gradient(to bottom right, #080618, #080618);
    background-size: 50% 50%,80% 80%,80% 80%,100% 100%;
    background-position: 0 0,90% 10%,-120% 260%, 0 0;
    background-repeat: no-repeat,no-repeat,no-repeat;
}

header {
    padding: 20px 40px;
    z-index: 2;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #fff;
}

.logo a {
    color: #fff;
    text-decoration: none;
    transition: opacity 0.3s;
}

.logo a:hover {
    opacity: 0.8;
}

.landing-content {
    position: relative;
    min-height: calc(100vh - 80px);
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 2;
  
}

/* 浮动元素 */
.floating-avatar {
    position: absolute;
    left: 24%;
    top: 15%;
    z-index: 10;
    background: #fff;
    backdrop-filter: blur(5px);
    padding: 10px 20px;
    border-radius: 20px;
    display: flex;
    align-items: center;
}

.avatar-icon {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: #333;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
    overflow: hidden;
}

.avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.dynamic-text {
    font-size: 18px;
    font-weight: 500;
    color: #333;
    position: relative;
    display: inline-block;
}

.floating-feature {
    position: absolute;
    right: 24%;
    top: 15%;
    z-index: 10;
    background: #fff;
    backdrop-filter: blur(5px);
    padding: 10px 20px;
    border-radius: 20px;
    display: flex;
    align-items: center;
}

.feature-icon {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
    overflow: hidden;
}

.feature-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.feature-text {
    white-space: nowrap;
    font-size: 16px;
    color: #333;
    font-weight: 500;
}

/* 花朵容器 */
.flower-container {
    position: relative;
    margin-top: 0%;
    z-index: 2;
    width: 100%;
    display: flex;
    justify-content: center;
}
.ti-container {
    position: relative;
    margin-top: 4%;
    z-index: 2;
    width: 100%;
    display: flex;
    justify-content: center;
}
.biao-container {
    position: relative;
    margin-top: 6%;
    z-index: 2;
    width: 100%;
    display: flex;
    justify-content: center;
}
.beijing-container {
    position: relative;
    margin-top: 0%;
    z-index: 5;
    width: 100%;
    display: flex;
    justify-content: left;
}
.ti-img {
    width: 600px;
    height: auto;
    max-width: 90%;
}

.flower-img {
    width: 700px;
    height: auto;
    max-width: 90%;
}

.beijing-img {
    width: 600px;
    height: auto;
    max-width: 90%;
}


/* 标题区域 */
.hero-title {
    text-align: center;
    margin-top: -300px;
    z-index: 3;
    position: relative;
}

.main-title {
    font-size: 4.5rem;
    margin-bottom: 15px;
    background: linear-gradient(to right, #c299fc, #7f9bff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.subtitle {
    font-size: 8rem;
    font-weight: bold;
    color: rgba(255, 255, 255, 0.1);
    letter-spacing: 4px;
    margin-bottom: 25px;
    margin-top: -100px;
}

.description {
    max-width: 800px;
    font-weight: lighter;
    margin: 0 auto 40px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    font-size: 1.1rem;
}

/* 通用按钮样式 */
.cta-button, .resolve-button, .generate-button {
    display: inline-block;
    background: linear-gradient(to right, #5E33F1, #BA9EF7);
    color: #fff;
    padding: 15px 70px;
    border-radius: 20px;
    font-size: 1.1rem;
    font-weight: bold;
    border: none;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}

.cta-button:hover, .resolve-button:hover, .generate-button:hover {
    transform: translateY(-6px);
    box-shadow: 0 10px 30px rgba(128, 49, 255, 0.5);
}

/* 设备展示区域 */
.showcase-section {
    width: 100%;
    height: 550px;
    position: relative;
    margin: 300px 0 100px;
    display: flex;
    justify-content: center;
}

.device-wrapper {
    position: relative;
    width: 1100px;
    height: 100%;
    transform-style: preserve-3d;
}

.showcase-device {
    position: absolute;
    border-radius: 80px;
    overflow: hidden;
    box-shadow: 0 0 100px rgba(0, 0, 0, 0.5);
    transition: transform 0.4s ease-out;
}

.showcase-device img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.device1 {
    width: 350px;
    height: 400px;
    left: -40px;
    top: -200px;
    z-index: 2;
    
}

.device2 {
    width: 740px;
    height: 540px;
    left: 160px;
    top: 0;
    z-index: 3;
    
}

.device3 {
    width: 320px;
    height: 300px;
    right:-20px;
    top: -120px;
    z-index: 4;
   
}

.device4 {
    width: 220px;
    height: 220px;
    left: 100px;
    bottom: -60px;
    z-index: 5;

}

.device1:hover, .device2:hover, .device3:hover, .device4:hover {
    transform: translateY(-10px);
    box-shadow: 0 0 100px rgba(77, 0, 209, 0.5);
}

/* 底部区域 */
.bottom-section {
    text-align: center;
    margin-top: -20px;
    padding: 0px 20px;
    position: relative;
    z-index: 5;
}

.subtitle-text {
    color: #999;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.secondary-title {
    font-size: 3rem;
    margin-bottom: 25px;
    background: linear-gradient(to right, #c299fc, #7f9bff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.description-secondary {
    max-width: 800px;
    font-weight: lighter;
    margin: 0 auto 40px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    font-size: 1.1rem;
    margin-top: 20px;
}

.secondary-button {
    margin-top: 40px;
    margin-bottom:200px
}

/* 深色主题容器 */
.dark-container {
    min-height: 100vh;
    width: 100%;
    position: relative;
    overflow: hidden;
    background:  url(./assets/beijing.png),
    url(./assets/beijing2.png),
    url(./assets/beijing3.png),
    linear-gradient(to bottom right, #080618, #080618);
    background-size: 50% 50%,80% 80%,80% 80%,100% 100%;
    background-position: 0 0,90% 10%,-120% 260%, 0 0;
    background-repeat: no-repeat,no-repeat,no-repeat;
    padding: 20px;
}

/* 上传页面样式 - 新版本 */
.upload-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: calc(100vh - 80px);
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
    gap: 30px;
}

.upload-box {
    width: 100%;
    height: 45vh;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(5px);
    overflow: hidden;
}

.upload-area {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
}

.upload-button {
    background: #5d4bb7;
    color: white;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 500;
    transition: all 0.3s;
}

.upload-area:hover .upload-button {
    background: #6b5ed8;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(107, 94, 216, 0.3);
}

.text-input-box {
    width: 100%;
    height: 25vh;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    backdrop-filter: blur(5px);
    overflow: hidden;
}

textarea {
    width: 100%;
    height: 100%;
    background: transparent;
    border: none;
    padding: 20px;
    color: #ccc;
    font-size: 16px;
    resize: none;
    outline: none;
}

.button-container {
    width: 100%;
    display: flex;
    justify-content: center;
    margin-top: 30px;
}

/* 图片预览 */
.upload-area.with-image {
    padding: 0;
}

.upload-area img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* 新版反馈页面样式 */
.feedback-page {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 80px;
}

.feedback-section {
    width: 100%;
}

.section-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #fff;
}

/* 情绪值卡片 */
.emotion-card {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 25px;
    backdrop-filter: blur(5px);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.emotion-icons {
    display: flex;
    gap: 16px;
    margin-bottom: 15px;
}

.emoji {
    font-size: 50px;
}

.emotion-text {
    color: #afafaf;
    font-size: 16px;
    text-align: center;
    margin-top: 10px;
}

/* 修改建议卡片 */
.suggestions-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    position: relative; /* 确保容器有定位上下文 */
}

.suggestion-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    overflow: visible; /* 允许横条超出卡片 */
    height: 300px;
    display: flex;
    flex-direction: column;
    backdrop-filter: blur(10px);
    position: relative;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    z-index: 1;
}

.suggestion-card::after {
    content: '';
    position: absolute;
    top: -6px; /* 向上露出10px */
    left: 50%;
    transform: translateX(-50%);
    width: 100px; /* 略微减小宽度 */
    height: 10px; /* 略微减小高度 */
    border-radius: 8px;
    z-index: -1;
    
}

.yellow-top::after {
    background: linear-gradient(to right, #deb045, #ffd166);
   /* 负值确保在卡片下方 */

}

.cyan-top::after {
    background: linear-gradient(to right, #25b1c1, #3ec1cf);
   
}

.purple-top::after {
    background: linear-gradient(to right, #9747FF, #b26bff);
    
}

.suggestion-title {
    font-size: 18px;
    font-weight: 600;
    margin: 40px;
    text-align: center;
}

.suggestion-text {
    padding: 0 24px 24px;
    color: #afafaf;
    font-size: 13px;
    line-height: 2;
}

/* 参考案例卡片 */
.examples-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.example-card {
    position: relative;
    height: 320px;
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background-color: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.example-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.example-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-top-left-radius: 12px;
    border-top-right-radius: 12px;
}

.example-content {
    padding: 15px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    max-height: 140px;
    overflow: hidden;
}

.example-desc {
    color: #e0e0e0;
    margin: 0 0 10px 0;
    font-size: 14px;
    line-height: 1.5;
    flex-grow: 1;
    overflow-y: auto;
    max-height: 100px;
    padding-right: 5px;
    scrollbar-width: thin;
    scrollbar-color: #9747FF rgba(255, 255, 255, 0.1);
}

.example-desc::-webkit-scrollbar {
    width: 4px;
}

.example-desc::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

.example-desc::-webkit-scrollbar-thumb {
    background-color: #9747FF;
    border-radius: 4px;
}

.example-source {
    font-size: 12px;
    color: #888;
    margin-top: auto;
    text-decoration: none;
}

.example-source a {
    color: #9747FF;
    text-decoration: none;
}

.example-source a:hover {
    text-decoration: underline;
}

.loading-examples {
    width: 100%;
    padding: 20px;
    text-align: center;
    color: #888;
    font-size: 16px;
    grid-column: span 2;
}

.loading-error {
    width: 100%;
    padding: 20px;
    text-align: center;
    color: #ff6b6b;
    font-size: 16px;
    grid-column: span 2;
}

/* 润色卡片 */
.polished-card {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    overflow: hidden;
    height: 150px;
    backdrop-filter: blur(5px);
    margin-bottom: 20px;
}

/* 结果文案卡片 */
.result-card {
    width: 100%;
    background: rgba(255, 255, 255, 0.07);
    border-radius: 20px;
    overflow: hidden;
    margin-top: 20px;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(138, 43, 226, 0.2);
}

.result-title {
    padding: 15px 20px;
    font-size: 16px;
    font-weight: 500;
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    background: rgba(138, 43, 226, 0.1);
}

.result-content {
    padding: 20px;
    color: #ccc;
    font-size: 16px;
    line-height: 1.6;
    min-height: 100px;
}

footer {
    text-align: center;
    margin-top: 50px;
    padding: 20px 0;
    color: #777;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .landing-content {
        padding: 10px;
    }
    
    .floating-avatar, .floating-feature {
        position: static;
        margin: 10px auto;
    }
    
    .flower-img {
        max-width: 80%;
    }
    
    .main-title {
        font-size: 2.5rem;
    }
    
    .subtitle {
        font-size: 2rem;
    }
    
    .secondary-title {
        font-size: 1.8rem;
    }
    
    .upload-page {
        padding: 10px;
    }
    
    .upload-box {
        height: 35vh;
    }
    
    .text-input-box {
        height: 25vh;
    }
    
    .suggestions-container,
    .examples-container {
        grid-template-columns: 1fr;
    }
    
    .button-container {
        flex-direction: column;
        gap: 15px;
    }
    
    .back-button, .submit-button, .save-button {
        width: 100%;
    }
}

/* Toast提示 */
.toast {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 15px 30px;
    border-radius: 50px;
    z-index: 9999;
    font-size: 16px;
    display: none;
    animation: fadeIn 0.3s;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* 优化方案卡片 */
.optimization-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.optimization-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    overflow: hidden;
    backdrop-filter: blur(5px);
    display: flex;
    flex-direction: column;
    min-height: 320px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.optimization-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.2);
}

.optimization-title {
    font-size: 18px;
    font-weight: 500;
    margin: 0;
}

.generate-btn {
    background: linear-gradient(to right, #5E33F1, #BA9EF7);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.generate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(94, 51, 241, 0.3);
}

.generate-btn:disabled {
    background: #666;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.optimization-content {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    min-height: 260px;
}

.optimization-result {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.optimization-result img {
    max-width: 100%;
    max-height: 250px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.optimization-placeholder {
    color: #888;
    text-align: center;
    padding: 20px;
}

.optimization-loading {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-left-color: #5E33F1;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 15px;
}

.loading-text {
    color: #ccc;
    font-size: 14px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* API Key Link */
.api-key-link {
    margin-bottom: 20px;
    margin-left: 0;
}

.api-key-link a {
    color: #9747FF;
    font-size: 14px;
    text-decoration: underline;
    cursor: pointer;
}

.api-key-link a:hover {
    color: #b26bff;
}

/* API Key Dialog */
.api-key-dialog {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.dialog-content {
    background: #1a1a1a;
    padding: 30px;
    border-radius: 20px;
    width: 90%;
    max-width: 400px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.dialog-content h3 {
    margin: 0 0 15px 0;
    color: #fff;
    font-size: 20px;
}

.dialog-description {
    color: #ccc;
    margin-bottom: 15px;
    font-size: 14px;
    line-height: 1.5;
}

.dialog-help {
    margin-bottom: 20px;
}

.dialog-help a {
    color: #9747FF;
    font-size: 14px;
    text-decoration: none;
}

.dialog-help a:hover {
    text-decoration: underline;
}

#apiKeyInput {
    width: 100%;
    padding: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    font-size: 14px;
    margin-bottom: 20px;
}

.dialog-buttons {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

.dialog-buttons button {
    padding: 8px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

#saveApiKey {
    background: linear-gradient(to right, #5E33F1, #BA9EF7);
    color: white;
}

#saveApiKey:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(94, 51, 241, 0.3);
}

#cancelApiKey {
    background: rgba(255, 255, 255, 0.1);
    color: #ccc;
}

#cancelApiKey:hover {
    background: rgba(255, 255, 255, 0.2);
}