/* 银辰咨询官网 - 金色奢华左右布局 */

/* 自定义字体 */
@font-face {
    font-family: 'XingQiuFeiYang';
    src: url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;600;700&display=swap') format('truetype');
    font-weight: normal;
    font-style: normal;
}

/* 全局配色系统 - 纯蓝色商务风格 */
:root {
    /* 主色调 - 深蓝系 */
    --primary-blue: #1e3a8a;
    --primary-blue-light: #3b82f6;
    --primary-blue-dark: #1e40af;
    --accent-blue: #60a5fa;
    
    /* 辅助色 - 绿色点缀（替代金色） */
    --accent-green: #10b981;
    --accent-green-light: #34d399;
    --accent-green-dark: #059669;
    
    /* 中性色系 - 增强对比度 */
    --text-primary: #111827;
    --text-secondary: #374151;
    --text-light: #4b5563;
    --text-white: #ffffff;
    
    /* 背景色系 */
    --bg-primary: #f8fafc;
    --bg-secondary: #f1f5f9;
    --bg-card: rgba(255, 255, 255, 0.95);
    --bg-overlay: rgba(30, 58, 138, 0.05);
    
    /* 边框和阴影 */
    --border-light: rgba(30, 58, 138, 0.1);
    --border-medium: rgba(30, 58, 138, 0.2);
    --shadow-light: rgba(30, 58, 138, 0.1);
    --shadow-medium: rgba(30, 58, 138, 0.15);
    --shadow-strong: rgba(30, 58, 138, 0.25);
}

/* 重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: 'XingQiuFeiYang', 'Microsoft YaHei', 'Segoe UI', sans-serif;
}

body {
    background: linear-gradient(135deg, 
        var(--bg-primary) 0%, 
        var(--bg-secondary) 50%, 
        #e2e8f0 100%);
    min-height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

/* 现代几何背景图案 */
body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, var(--bg-overlay) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.03) 0%, transparent 50%),
        linear-gradient(45deg, transparent 48%, var(--border-light) 49%, var(--border-light) 51%, transparent 52%),
        linear-gradient(-45deg, transparent 48%, var(--border-light) 49%, var(--border-light) 51%, transparent 52%);
    background-size: 800px 800px, 600px 600px, 60px 60px, 60px 60px;
    background-position: 0 0, 100% 100%, 0 0, 0 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.4;
}

/* 主容器 */
.main-container {
    width: 100vw;
    height: 100vh;
    position: relative;
    z-index: 10;
}

/* 左侧区域 */
.left-section {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(1.5rem, 3vh, 4rem) clamp(1.25rem, 2.5vw, 3rem);
    background: linear-gradient(135deg, 
        var(--bg-card) 0%, 
        rgba(255, 255, 255, 0.95) 50%, 
        var(--bg-card) 100%);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--border-light);
    min-height: 100vh;
    box-sizing: border-box;
    overflow: hidden;
}

.left-content {
    max-width: 450px;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: clamp(1rem, 2vh, 2rem);
    padding: clamp(1rem, 2vh, 2rem) 0;
    max-height: calc(100vh - clamp(3rem, 6vh, 6rem));
    overflow: auto;
    padding-bottom: calc(clamp(1rem, 2vh, 2rem) + 3.5rem);
}

/* 品牌标识区域 */
.brand-header {
    text-align: center;
}

.brand-logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.2rem;
    margin-bottom: 0.8rem;
}

.brand-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 25px var(--shadow-medium);
    transition: transform 0.3s ease;
}

.brand-icon:hover {
    transform: scale(1.02);
}

.brand-icon i {
    font-size: 1.8rem;
    color: var(--text-white);
    text-shadow: none;
}

.brand-info {
    text-align: left;
}

.company-name {
    font-size: 2.2rem;
    font-weight: 600;
    color: var(--text-primary);
    text-shadow: 0 2px 8px var(--shadow-light);
    letter-spacing: 0.05em;
    margin: 0;
    line-height: 1.1;
}

.company-subtitle {
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 300;
    letter-spacing: 0.15em;
    margin: 0.2rem 0 0 0;
    opacity: 0.9;
}

.company-tagline {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 400;
    text-shadow: 0 1px 4px var(--shadow-light);
    opacity: 0.85;
    margin: 0;
}

/* 产品标识区域 */
.product-header {
    text-align: center;
}

.product-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, 
        var(--bg-overlay) 0%, 
        rgba(59, 130, 246, 0.08) 100%);
    border: 1px solid var(--border-medium);
    color: var(--text-light);
    padding: 0.6rem 1.2rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    backdrop-filter: blur(15px);
}

.product-badge i {
    font-size: 1rem;
}

/* 产品主体区域 */
.product-main {
    text-align: center;
}

.product-name {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, 
        var(--primary-blue) 0%, 
        var(--accent-blue) 50%, 
        var(--primary-blue-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.8rem;
    text-shadow: 0 4px 20px var(--shadow-light);
    letter-spacing: 0.02em;
    line-height: 1.1;
}

.product-slogan {
    font-size: 1.2rem;
    color: var(--text-light);
    font-weight: 400;
    margin-bottom: 1.2rem;
    font-style: italic;
    text-shadow: 0 1px 4px var(--shadow-light);
    line-height: 1.4;
}

.product-features {
    margin-bottom: 0;
}

.feature-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0.8rem;
    opacity: 0.9;
}

.feature-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    justify-content: center;
}

.feature-tag {
    background: linear-gradient(135deg, 
        var(--bg-overlay) 0%, 
        rgba(59, 130, 246, 0.06) 100%);
    border: 1px solid var(--border-light);
    color: var(--text-light);
    padding: 0.4rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.feature-tag:hover {
    background: linear-gradient(135deg, 
        var(--bg-overlay) 0%, 
        rgba(59, 130, 246, 0.12) 100%);
    border-color: var(--border-medium);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-light);
    color: var(--text-secondary);
}

/* 下载区域 */
.download-area {
    text-align: center;
}

.version-display {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, 
        var(--bg-overlay) 0%, 
        rgba(59, 130, 246, 0.08) 100%);
    border: 1px solid var(--border-medium);
    color: var(--text-light);
    padding: 0.6rem 1.2rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    backdrop-filter: blur(15px);
    margin-bottom: 1.5rem;
}

.version-display i {
    font-size: 1rem;
}

.download-button {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, 
        var(--primary-blue) 0%, 
        var(--primary-blue-light) 50%, 
        var(--primary-blue) 100%);
    color: var(--text-white);
    border: none;
    padding: 1.2rem 3rem;
    border-radius: 45px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 
        0 10px 30px var(--shadow-medium),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    width: 100%;
    max-width: 320px;
}

.download-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.2), 
        transparent);
    transition: left 0.6s ease;
}

.download-button:hover::before {
    left: 100%;
}

.download-button:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 
        0 18px 50px var(--shadow-strong),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.download-button:active {
    transform: translateY(-2px) scale(1.01);
}

.download-content {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.download-content i {
    font-size: 1.4rem;
}

.download-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.download-label {
    font-size: 1.1rem;
    font-weight: 600;
}

.download-size {
    font-size: 0.8rem;
    opacity: 0.8;
    font-weight: 400;
    text-transform: none;
}

.download-loader {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 0.7rem;
    position: absolute;
    inset: 0;
}

.download-spinner {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 2px solid rgba(26, 35, 126, 0.25);
    border-top-color: rgba(26, 35, 126, 0.9);
    animation: spin 0.8s linear infinite;
}

.download-loader-text {
    font-size: 0.95rem;
    font-weight: 600;
    color: rgba(26, 35, 126, 0.9);
    letter-spacing: 0.02em;
}

.download-button.is-loading {
    cursor: progress;
}

.download-button.is-loading .download-content {
    opacity: 0;
    transform: translateY(2px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.download-button.is-loading .download-loader {
    display: inline-flex;
}

.download-button:disabled {
    opacity: 0.92;
}

.update-notification {
    position: fixed;
    top: 100px;
    right: 20px;
    z-index: 1050;
    max-width: 360px;
    width: calc(100vw - 40px);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(25px);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    animation: slideInRight 0.5s ease;
}

.update-notification.is-hiding {
    animation: slideOutRight 0.5s ease;
}

.update-notification .notification-content {
    display: flex;
    align-items: center;
    padding: 1rem;
    gap: 1rem;
}

.update-notification .notification-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #60a5fa, #3b82f6);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.update-notification .notification-text {
    flex: 1;
    font-size: 0.9rem;
    line-height: 1.4;
    color: #0f172a;
}

.update-notification .notification-close {
    background: none;
    border: none;
    color: #64748b;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.update-notification .notification-close:hover {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
}

.update-notification.is-success .notification-icon {
    background: linear-gradient(135deg, #34d399, #10b981);
}

.update-notification.is-error .notification-icon {
    background: linear-gradient(135deg, #fb7185, #ef4444);
}

.cursor-glow {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    opacity: 0.9;
}

.cursor-glow::before {
    content: '';
    position: absolute;
    width: 900px;
    height: 900px;
    left: var(--glow-x, 50%);
    top: var(--glow-y, 50%);
    transform: translate(-50%, -50%);
    background: radial-gradient(circle at center,
        rgba(255, 215, 0, 0.10) 0%,
        rgba(212, 175, 55, 0.08) 22%,
        rgba(63, 81, 181, 0.05) 45%,
        transparent 70%);
    filter: blur(18px);
}

/* 右侧区域 */
.right-section {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(1.5rem, 3vh, 4rem) clamp(1.25rem, 2.5vw, 3rem);
    background: linear-gradient(135deg, 
        rgba(248, 250, 252, 0.8) 0%, 
        var(--bg-card) 50%, 
        rgba(248, 250, 252, 0.8) 100%);
    backdrop-filter: blur(20px);
    min-height: 100vh;
    box-sizing: border-box;
    overflow: hidden;
}

.right-content {
    max-width: 450px;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: clamp(1rem, 2vh, 2rem);
    padding: clamp(1rem, 2vh, 2rem) 0;
    max-height: calc(100vh - clamp(3rem, 6vh, 6rem));
    overflow: auto;
    padding-bottom: calc(clamp(1rem, 2vh, 2rem) + 3.5rem);
}

/* 应用预览 */
.app-preview {
    display: flex;
    justify-content: center;
}

.app-window {
    background: linear-gradient(135deg, 
        var(--bg-card) 0%, 
        rgba(255, 255, 255, 0.95) 100%);
    backdrop-filter: blur(30px);
    border: 1px solid var(--border-light);
    border-radius: 20px;
    box-shadow: 
        0 20px 60px var(--shadow-light),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    overflow: hidden;
    transition: all 0.4s ease;
    width: 100%;
    max-width: 400px;
}

.app-window:hover {
    transform: translateY(-5px);
    box-shadow: 
        0 25px 70px var(--shadow-medium),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.window-header {
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-light);
}

.window-controls {
    display: flex;
    gap: 8px;
    margin-right: 1rem;
}

.control-btn {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: block;
}

.control-btn.close {
    background-color: #ff5f57;
}

.control-btn.minimize {
    background-color: #ffbd2e;
}

.control-btn.maximize {
    background-color: #28ca42;
}

.window-title {
    font-weight: 500;
    color: var(--text-light);
    font-size: 0.95rem;
}

.window-content {
    padding: 2rem;
}

.interface-header h3 {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    text-align: center;
    font-size: 1.2rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem;
    background: var(--bg-overlay);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    transition: all 0.3s ease;
    text-align: center;
}

.feature-item:hover {
    background: rgba(59, 130, 246, 0.08);
    transform: translateY(-2px);
    border-color: var(--border-medium);
    box-shadow: 0 4px 12px var(--shadow-light);
}

.feature-item i {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.feature-item span {
    font-size: 0.85rem;
    color: var(--text-light);
    font-weight: 500;
}

/* 功能特色列表 */
.features-section {
    text-align: center;
}

.features-title {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.feature-highlight {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: linear-gradient(135deg, 
        var(--bg-card) 0%, 
        rgba(255, 255, 255, 0.9) 100%);
    backdrop-filter: blur(15px);
    border: 1px solid var(--border-light);
    border-radius: 15px;
    transition: all 0.3s ease;
    text-align: left;
}

.feature-highlight:hover {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.95) 0%, 
        var(--bg-card) 100%);
    border-color: var(--border-medium);
    transform: translateX(5px);
    box-shadow: 0 4px 12px var(--shadow-light);
}

.feature-highlight i {
    font-size: 1.5rem;
    color: var(--primary-blue);
    width: 40px;
    text-align: center;
    flex-shrink: 0;
}

.feature-text h4 {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.feature-text p {
    color: var(--text-light);
    font-size: 0.85rem;
    margin: 0;
    opacity: 0.9;
}

/* 联系信息 */
.contact-section {
    text-align: center;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.contact-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, 
        var(--bg-card) 0%, 
        rgba(255, 255, 255, 0.9) 100%);
    backdrop-filter: blur(15px);
    border: 1px solid var(--border-light);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.contact-item:hover {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.95) 0%, 
        var(--bg-card) 100%);
    border-color: var(--border-medium);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px var(--shadow-light);
}

.contact-item i {
    font-size: 1.8rem;
    color: var(--primary-blue);
}

.contact-text {
    text-align: center;
}

.contact-text h5 {
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.contact-text a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.85rem;
    transition: all 0.3s ease;
}

.contact-text a:hover {
    color: var(--primary-blue);
    text-decoration: underline;
}

/* 底部版权 */
.footer-copyright {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-light);
    opacity: 0.7;
    z-index: 20;
}

/* 下载进度 */
.download-progress {
    margin-top: 1.5rem;
    text-align: center;
    width: 100%;
    max-width: 350px;
}

.progress {
    height: 6px;
    border-radius: 3px;
    background: rgba(0, 0, 0, 0.2);
    margin-bottom: 0.5rem;
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-blue));
    border-radius: 3px;
    transition: width 0.3s ease;
    box-shadow: 0 0 10px var(--shadow-medium);
}

.progress-text {
    color: var(--text-light);
    font-size: 0.8rem;
}

/* 响应式设计 */
@media (max-width: 991px) {
    .left-section,
    .right-section {
        padding: 2rem;
    }
    
    .brand-name {
        font-size: 2.2rem;
    }
    
    .product-title {
        font-size: 2.5rem;
    }
    
    .app-window {
        max-width: 350px;
    }
}

@media (max-width: 768px) {
    .main-container .row {
        flex-direction: column;
    }
    
    .left-section {
        border-right: none;
        border-bottom: 1px solid rgba(212, 175, 55, 0.3);
        padding: 2rem 1.5rem;
    }
    
    .right-section {
        padding: 2rem 1.5rem;
    }
    
    .brand-logo {
        flex-direction: column;
        gap: 1rem;
    }
    
    .brand-name {
        font-size: 2rem;
    }
    
    .product-title {
        font-size: 2.2rem;
    }
    
    .btn-download {
        max-width: 300px;
    }
    
    .right-content {
        gap: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .bg-decoration-3 {
        display: none;
    }
}

@media (max-width: 576px) {
    .left-section,
    .right-section {
        padding: 1.5rem 1rem;
    }
    
    .brand-name {
        font-size: 1.8rem;
    }
    
    .product-title {
        font-size: 2rem;
    }
    
    .product-slogan {
        font-size: 1.1rem;
    }
    
    .btn-download {
        padding: 1.2rem 2rem;
        font-size: 1rem;
        max-width: 280px;
    }
    
    .app-window {
        max-width: 300px;
    }
    
    .window-content {
        padding: 1.5rem;
    }
    
    .feature-highlight {
        padding: 0.8rem;
    }
    
    .contact-item {
        padding: 1.2rem;
    }
}

@media (max-height: 820px) {
    .left-section,
    .right-section {
        align-items: flex-start;
    }
}

/* 动画优化 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out both;
}

.fade-in-right {
    animation: fadeInRight 0.8s ease both;
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(18px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(18px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideOutRight {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

body .app-shell {
    position: relative;
    z-index: 10;
    height: 100vh;
    width: 100vw;
    display: grid;
    grid-template-rows: auto 1fr;
    padding: clamp(12px, 2vw, 20px);
    gap: clamp(12px, 2vw, 18px);
}

body .app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 14px 16px;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.10), rgba(212, 175, 55, 0.10));
    border: 1px solid rgba(212, 175, 55, 0.18);
    backdrop-filter: blur(22px);
    box-shadow: 0 14px 50px rgba(0, 0, 0, 0.22);
}

body .app-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

body .app-brand-text {
    min-width: 0;
}

body .app-brand-name {
    font-weight: 700;
    color: var(--text-white);
    letter-spacing: 0.04em;
    line-height: 1.1;
}

body .app-brand-subtitle {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.78rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

body .app-header-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

body .app-meta-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.85rem;
    backdrop-filter: blur(16px);
}

body .app-meta-pill i {
    color: rgba(255, 215, 0, 0.95);
}

body .app-main {
    height: 100%;
    min-height: 0;
    display: grid;
    grid-template-columns: minmax(320px, 1fr) minmax(360px, 520px);
    gap: clamp(12px, 2vw, 18px);
}

body .app-hero,
body .app-panel {
    min-height: 0;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.10), rgba(212, 175, 55, 0.08));
    border: 1px solid rgba(212, 175, 55, 0.18);
    backdrop-filter: blur(24px);
    box-shadow: 0 18px 60px rgba(0, 0, 0, 0.26);
}

body .app-hero {
    padding: clamp(18px, 3vw, 28px);
    display: flex;
    flex-direction: column;
    gap: 14px;
    overflow: hidden;
}

/* 产品描述文字 */
.app-hero-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0.8rem;
    opacity: 0.9;
    text-align: center;
}

body .app-hero-desc {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
    opacity: 0.9;
}

body .product-name {
    margin: 0;
}

body .download-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

body .download-row .version-display {
    margin-bottom: 0;
}

body .download-row .download-button {
    width: auto;
    max-width: none;
    padding: 0.7rem 2.2rem;
    border-radius: 999px;
    min-width: 220px;
}

body .download-row .download-content {
    gap: 0.75rem;
}

body .download-row .download-content i {
    font-size: 1.2rem;
}

body .download-row .download-label {
    font-size: 1rem;
}

body .download-row .download-size {
    font-size: 0.75rem;
}

body .download-row .download-text {
    align-items: flex-start;
}

body .download-area {
    margin-top: 4px;
}

@media (max-width: 520px) {
    body .download-row {
        flex-direction: column;
        align-items: stretch;
    }

    body .download-row .download-button {
        width: 100%;
        justify-content: center;
        min-width: 0;
    }

    body .download-row .download-text {
        align-items: center;
    }
}

body .app-footer {
    margin-top: auto;
    padding-top: 10px;
    color: rgba(244, 228, 166, 0.78);
    font-size: 0.82rem;
}

body .app-panel {
    padding: 14px;
    overflow: hidden;
}

body .panel-block {
    padding: 14px;
    border-radius: 14px;
    background: rgba(15, 20, 25, 0.22);
    border: 1px solid rgba(255, 255, 255, 0.10);
    margin-bottom: 12px;
}

body .app-hero .panel-block {
    padding: 12px;
    margin-bottom: 0;
}

body .app-hero .features-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

body .app-hero .feature-highlight {
    padding: 12px;
    border-radius: 14px;
    align-items: flex-start;
}

body .app-hero .feature-highlight i {
    width: 34px;
    font-size: 1.35rem;
}

body .app-hero .feature-text h4 {
    font-size: 0.95rem;
}

body .app-hero .feature-text p {
    font-size: 0.8rem;
}

body .app-hero .product-slogan {
    margin-bottom: 0;
}

body .app-hero .version-display {
    margin-bottom: 12px;
}

body .panel-title {
    color: rgba(255, 255, 255, 0.92);
    font-weight: 700;
    letter-spacing: 0.02em;
    margin-bottom: 10px;
}

body .app-window {
    max-width: 100%;
}

body .features-list {
    gap: 12px;
}

body .feature-highlight {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(212, 175, 55, 0.08));
}

body .contact-grid {
    grid-template-columns: 1fr;
}

body .app-panel .contact-grid {
    gap: 10px;
}

body .app-panel .contact-item {
    padding: 12px;
    gap: 8px;
}

body .app-panel .contact-item i {
    font-size: 1.4rem;
}

body .app-panel .contact-text h5 {
    font-size: 0.9rem;
    margin-bottom: 6px;
}

body .app-panel .contact-text a {
    font-size: 0.82rem;
}

@media (max-width: 991px) {
    body .app-shell {
        padding: 12px;
    }

    body .app-main {
        grid-template-columns: 1fr;
    }

    body .app-hero .features-list {
        grid-template-columns: 1fr;
    }
}

@media (max-height: 760px) {
    body .app-hero {
        gap: 10px;
    }

    body .product-name {
        font-size: 2.4rem;
    }

    body .product-slogan {
        font-size: 1.05rem;
    }

    body .app-panel .panel-block {
        padding: 12px;
    }

    body .app-panel .panel-title {
        margin-bottom: 8px;
    }

    body .app-panel .contact-item {
        padding: 10px;
    }
}
/* 装饰球 1 - 右上角蓝色 */
.bg-decoration-1 {
    position: fixed;
    top: -150px;
    right: -150px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--accent-blue) 0%, rgba(96, 165, 250, 0.15) 50%, transparent 70%);
    border-radius: 50%;
    filter: blur(80px);
    z-index: 1;
    pointer-events: none;
    animation: float1 8s ease-in-out infinite;
}

@keyframes float1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(20px, -20px) scale(1.05); }
    66% { transform: translate(-15px, 15px) scale(0.95); }
}

/* 装饰球 2 - 左下角深蓝色 */
.bg-decoration-2 {
    position: fixed;
    bottom: -120px;
    left: -120px;
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, var(--primary-blue) 0%, rgba(30, 58, 138, 0.15) 50%, transparent 70%);
    border-radius: 50%;
    filter: blur(80px);
    z-index: 1;
    pointer-events: none;
    animation: float2 10s ease-in-out infinite;
}

@keyframes float2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-25px, 25px) scale(1.08); }
}