/* ==================== RESET & BASE (Oura Style) ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

:root {
    /* Oura 风格色盘：极简、自然、高端 */
    --bg-body: #FFFFFF;
    --bg-secondary: #F7F7F7;
    --bg-dark: #000000;
    
    --text-primary: #1F1F1F;
    --text-secondary: #666666;
    --text-light: #FFFFFF;
    
    --accent-color: #000000;
    --border-color: #E5E5E5;
    
    /* Spacing & Layout */
    --container-width: 1200px;
    --section-padding: 120px 0;
    --radius-base: 4px;
    --radius-pill: 100px;
    
    /* Typography */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
    
    /* Effects */
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.05);
    --transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.5;
    overflow-x: hidden;
}

/* 移除所有背景伪元素 (星空、噪点、极光) */
body::before, body::after {
    display: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.container-fluid {
    max-width: 100%;
    padding: 0 40px;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

/* ==================== HEADER (Clean & Sticky) ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
    transition: var(--transition);
    box-shadow: 0 0 0 rgba(0, 0, 0, 0);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    padding: 12px 0;
}

.header.scrolled::after {
    display: none;
}

/* Header Content Layout */
.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    gap: 40px;
}

/* Logo Styling */
.logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo-text {
    color: #000;
    font-size: 26px;
    font-weight: 700;
    letter-spacing: -1px;
    transition: all 0.3s ease;
}

.logo a:hover .logo-text {
    opacity: 0.6;
}

/* Navigation */
.nav {
    display: flex;
    align-items: center;
    gap: 35px;
    flex: 1;
    justify-content: center;
}

.nav-link {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 15px;
    letter-spacing: 0.3px;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #000;
}

.nav-link.active {
    color: #000;
    font-weight: 600;
}

.nav-link::after {
    display: none;
}

/* ==================== BUTTONS (Pill Shape) ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: var(--radius-pill);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
    white-space: nowrap;
    flex-shrink: 0;
}

.btn-primary {
    background: #000000;
    color: #FFFFFF;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.btn-primary:hover {
    background: #222222;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.16);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: transparent;
    color: #000000;
    border: 1.5px solid #E5E5E5;
    box-shadow: none;
}

.btn-secondary:hover {
    border-color: #000;
    background: #F9F9F9;
}

/* ==================== HERO SECTION (Clean) ==================== */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #F3F3F3;
    padding-top: 80px;
}

.hero-background { 
    display: none; 
}

.hero-content {
    text-align: center;
    max-width: 900px;
    z-index: 1;
}

.hero-title {
    font-size: 64px;
    font-weight: 400;
    letter-spacing: -1.5px;
    line-height: 1.1;
    color: #000;
    margin-bottom: 24px;
    background: none;
    -webkit-text-fill-color: initial;
    filter: none;
    animation: none;
}

.hero-subtitle {
    font-size: 22px;
    color: var(--text-secondary);
    font-weight: 300;
    margin-bottom: 48px;
    animation: none;
}

/* CTA 按钮入场动画 */
.hero-cta {
    display: flex;
    gap: 30px;
    justify-content: center;
    margin-top: 48px;
}

/* ==================== USAY SHOWCASE ==================== */
.usay-showcase {
    position: relative;
    height: 25vh;
    min-height: 300px;
    overflow: hidden;
    background: linear-gradient(135deg, 
        rgba(5, 5, 17, 0.95) 0%,
        rgba(15, 23, 42, 0.95) 50%,
        rgba(10, 5, 30, 0.95) 100%);
}

.showcase-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* WebGL Canvas 容器 */
.showcase-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* ==================== ⭐ 沉浸式文本动画模块 (已删除) ==================== */
.immersive-logo-section {
    display: none;
}

/* ==================== CORE VALUES ==================== */
.core-values {
    padding: var(--section-padding);
    background: #FFF;
}

.full-viewport-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 0;
    background: #FAFAFA;
    position: relative;
    overflow: hidden;
}

.full-viewport-section::before {
    display: none;
}

.core-content-center {
    width: 100%;
    max-width: 1200px;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.full-screen-title {
    font-size: 48px;
    font-weight: 400;
    text-align: center;
    margin-bottom: 80px;
    color: #000;
    text-shadow: none;
    animation: none;
}

.values-grid-large {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 1200px;
}

.value-card {
    padding: 40px 30px;
    border-radius: 8px;
    text-align: center;
    background: #FFFFFF;
    border: 1px solid #F0F0F0;
    box-shadow: var(--shadow-soft);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.value-card::before {
    display: none;
}

.value-card:hover {
    transform: translateY(-8px);
    background: #FFFFFF;
    border-color: #E5E5E5;
    box-shadow: 0 15px 35px rgba(0,0,0,0.08);
}

.value-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: none;
    position: relative;
    z-index: 2;
    filter: none;
    background: #F5F5F5;
    border-radius: 50%;
    padding: 10px;
}

.value-card:hover .value-icon {
    filter: none;
    transform: scale(1.1);
}

.value-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #000;
    position: relative;
    z-index: 2;
}

.value-desc {
    color: #666;
    line-height: 1.6;
    font-size: 15px;
    position: relative;
    z-index: 2;
}

.value-accent-line {
    display: none;
}

/* ==================== PRODUCT OVERVIEW ==================== */
.product-overview {
    padding: 100px 0;
    background: #FFFFFF !important;
}

.product-grid-visual {
    padding: 80px 0;
    background: #FFFFFF !important;
}

.visual-product-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    max-width: 1000px;
    margin: 60px auto 0;
    height: 60vh;
    min-height: 450px;
}

.visual-card {
    /* 覆盖原来的背景图，改用高级浅灰 */
    background-image: none !important;
    background-color: #F9F9F9;
    
    border: 1px solid #E5E5E5; /* 苹果风边框 */
    border-radius: 16px; /* 适中的圆角 */
    box-shadow: none; /* 去掉所有发光阴影 */
    
    /* 布局调整 */
    display: flex;
    flex-direction: column;
    justify-content: center; /* 内容垂直居中 */
    align-items: flex-start; /* 内容左对齐 */
    min-height: 300px; /* 保持高度 */
    transition: all 0.4s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

/* 悬停效果：轻微上浮 + 加深边框 */
.visual-card:hover {
    transform: translateY(-5px);
    border-color: #CCCCCC;
    background-color: #F5F5F5;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.visual-card::before {
    display: none;
}

.card-content-overlay {
    background: none !important;
    padding: 40px;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.visual-card .product-name {
    color: #000000;
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
    text-shadow: none; /* 去掉文字发光 */
}

.visual-card .product-description {
    color: #666666;
    font-size: 16px;
    line-height: 1.6;
    font-weight: 400;
    max-width: 90%;
    margin-bottom: 30px;
}

.emotion-chart {
    background: transparent;
    border: 1px solid rgba(0, 255, 255, 0.2);
    border-radius: 15px;
    padding: 30px;
    min-height: 250px;
}

.emotion-chart canvas {
    width: 100% !important;
    height: 100% !important;
}

.health-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.metric-card {
    text-align: center;
    padding: 25px;
    background: rgba(0, 255, 255, 0.05);
    border: 2px solid rgba(0, 255, 255, 0.2);
    border-radius: 15px;
    transition: all 0.3s ease;
    position: relative;
}

.metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 255, 255, 0.05), transparent);
    border-radius: 15px;
    pointer-events: none;
}

.metric-card:hover {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
    transform: translateY(-5px);
}

.metric-value {
    font-size: 42px;
    font-weight: 700;
    color: var(--accent-cyan);
    margin-bottom: 8px;
    text-shadow: 0 0 15px rgba(0, 255, 255, 0.4);
}

.metric-label {
    color: var(--text-secondary);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ai-assistant {
    display: flex;
    gap: 50px;
    align-items: flex-start;
}

.assistant-score {
    flex-shrink: 0;
}

.score-circle {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(0, 255, 255, 0.05);
    position: relative;
    overflow: hidden;
}

.score-ring {
    position: absolute;
    width: 100%;
    height: 100%;
}

.score-ring-bg {
    fill: none;
    stroke: rgba(0, 255, 255, 0.1);
    stroke-width: 3;
}

.score-ring-progress {
    fill: none;
    stroke: var(--accent-cyan);
    stroke-width: 3;
    stroke-linecap: round;
    transform-origin: 50% 50%;
    transform: rotate(-90deg);
    stroke-dasharray: 282;
    stroke-dashoffset: 282;
    animation: scoreProgress 2s ease-out forwards;
}

@keyframes scoreProgress {
    to {
        stroke-dashoffset: 56;
    }
}

.score-number {
    font-size: 52px;
    font-weight: 700;
    color: var(--accent-cyan);
    z-index: 1;
}

.score-label {
    font-size: 12px;
    color: var(--text-secondary);
    z-index: 1;
}

.assistant-suggestions {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.suggestion-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: linear-gradient(135deg, rgba(0, 255, 255, 0.08), rgba(0, 128, 255, 0.03));
    border: 1px solid rgba(0, 255, 255, 0.15);
    border-radius: 12px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.suggestion-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--accent-cyan);
}

.suggestion-item:hover {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.2);
    transform: translateX(5px);
}

.suggestion-icon {
    font-size: 24px;
    flex-shrink: 0;
    margin-top: 2px;
}

.suggestion-text {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.5;
}

/* ==================== SECTIONS ==================== */
.section-title-center {
    text-align: center;
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 60px;
}

.section-subtitle {
    text-align: center;
    font-size: 20px;
    color: var(--text-secondary);
    margin-top: -40px;
    margin-bottom: 60px;
}

/* ==================== 产品概览 ==================== */
.product-overview {
    padding: 100px 0;
    background: #FFFFFF !important;
}

/* 产品线概览 - 四宫格布局 */
.product-grid-visual {
    padding: 80px 0;
    background: #FFFFFF !important;
}

.visual-product-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    max-width: 1000px;
    margin: 60px auto 0;
    height: 60vh;
    min-height: 450px;
}

.visual-card {
    /* 覆盖原来的背景图，改用高级浅灰 */
    background-image: none !important;
    background-color: #F9F9F9;
    
    border: 1px solid #E5E5E5; /* 苹果风边框 */
    border-radius: 16px; /* 适中的圆角 */
    box-shadow: none; /* 去掉所有发光阴影 */
    
    /* 布局调整 */
    display: flex;
    flex-direction: column;
    justify-content: center; /* 内容垂直居中 */
    align-items: flex-start; /* 内容左对齐 */
    min-height: 300px; /* 保持高度 */
    transition: all 0.4s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

/* 卡片位置特定样式 */
.card-top-left {
    grid-row: 1;
    grid-column: 1;
}

.card-top-right {
    grid-row: 1;
    grid-column: 2;
}

.card-bottom-left {
    grid-row: 2;
    grid-column: 1;
}

.card-bottom-right {
    grid-row: 2;
    grid-column: 2;
}

/* 悬停效果：轻微上浮 + 加深边框 */
.visual-card:hover {
    transform: translateY(-5px);
    border-color: #CCCCCC;
    background-color: #F5F5F5;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.visual-card::before {
    display: none;
}

/* 新按钮样式 */
.btn-outline-cyan,
.btn-outline-white {
    /* 重置所有之前的霓虹样式 */
    background: transparent;
    border: 1px solid #000000;
    color: #000000;
    border-radius: 100px;
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 500;
    box-shadow: none;
    width: fit-content;
    display: inline-block;
    cursor: pointer;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
}

/* 按钮悬停：变黑底白字 */
.btn-outline-cyan:hover,
.btn-outline-white:hover {
    background: #000000;
    color: #FFFFFF;
    border-color: #000000;
    transform: none;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* 移除按钮的伪元素动画 */
.btn-outline-cyan::before,
.btn-outline-white::before {
    display: none;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.product-card {
    position: relative;
    height: 400px;
    border-radius: 20px;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    cursor: pointer;
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    display: flex;
    align-items: flex-end;
    opacity: 0;
    animation: cardFadeInUp 0.6s ease-out forwards;
}

.product-grid > :nth-child(1) { animation-delay: 0s; }
.product-grid > :nth-child(2) { animation-delay: 0.15s; }
.product-grid > :nth-child(3) { animation-delay: 0.3s; }
.product-grid > :nth-child(4) { animation-delay: 0.45s; }

@keyframes cardFadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.product-card:hover {
    transform: scale(1.03);
}

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(10, 25, 49, 0.7), rgba(10, 25, 49, 0.5));
    transition: all 0.5s ease;
    z-index: 1;
}

.product-card:hover .card-overlay {
    background: linear-gradient(135deg, rgba(10, 25, 49, 0.5), rgba(10, 25, 49, 0.3));
}

.card-content {
    position: relative;
    z-index: 2;
    width: 100%;
    padding: 40px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.product-name {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.product-description {
    font-size: 16px;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

.btn-outline {
    display: inline-block;
    padding: 12px 28px;
    border: 2px solid var(--accent-cyan);
    border-radius: 50px;
    background: transparent;
    color: var(--accent-cyan);
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    text-decoration: none;
    width: fit-content;
}

.btn-outline:hover {
    background: var(--accent-cyan);
    color: var(--primary-bg);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
    transform: translateY(-2px);
}

/* ==================== APP SHOWCASE ==================== */
.app-showcase {
    padding: 100px 0 80px 0;
    background: #FFF;
}

.app-showcase .container {
    max-width: 1200px;
}

.app-section-subtitle {
    text-align: center;
    font-size: 16px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 50px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
}

.app-demo {
    display: flex;
    gap: 60px;
    align-items: flex-start;
    margin-bottom: 60px;
    justify-content: center;
}

.app-left-column {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 300px;
    flex-shrink: 0;
}

.phone-mockup {
    position: relative;
    width: 260px;
    margin-bottom: 20px;
    z-index: 5;
    border-radius: 40px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border: 8px solid #000;
    background: #000;
    padding: 0;
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 130px;
    height: 20px;
    background: #000;
    border-radius: 0 0 20px 20px;
    z-index: 2;
}

.phone-screen {
    width: 100%;
    height: 450px;
    border-radius: 30px;
    overflow: hidden;
    position: relative;
    background: #000;
    box-shadow: none;
}

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

/* ===== 删除 Dock 栏 ===== */
.floating-dock {
    display: none;
}

/* 右侧：功能卡片 */
.app-features {
    flex: 0 1 450px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.feature-tab {
    padding: 20px;
    background: #FAFAFA;
    border: 1px solid #E5E5E5;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    position: relative;
    overflow: hidden;
}

.feature-tab::before {
    display: none;
}

.feature-tab:hover {
    background: #F5F5F5;
    border-color: #D0D0D0;
    transform: translateX(4px);
}

.feature-tab.active {
    background: #F3F3F3;
    border-color: #000;
    box-shadow: 0 0 0 0;
}

.feature-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon svg {
    width: 100%;
    height: 100%;
    stroke-width: 2;
}

.feature-tab.active .feature-icon {
    color: #000;
    filter: none;
}

.feature-content {
    flex: 1;
}

.feature-tab h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
    color: #000;
}

.feature-tab p {
    color: #666;
    font-size: 14px;
    line-height: 1.5;
}

.feature-tab.active h4 {
    color: #000;
}

.feature-tab.active p {
    color: #666;
}

/* ==================== FOOTER ==================== */
.footer {
    background: #F7F7F7;
    border-top: 1px solid #E5E5E5;
    color: #000;
    padding-top: 80px;
}

.footer::before { 
    display: none; 
}

.footer-slogan, .footer-copyright, .footer-column a {
    color: #666;
}

.footer-column a:hover {
    color: #000;
    text-shadow: none;
    text-decoration: underline;
}

.column-title {
    color: #000;
}

.social-icon {
    background: #FFF;
    border: 1px solid #E5E5E5;
    color: #000;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background: #000;
    color: #FFF;
    border-color: #000;
}

@media (max-width: 992px) {
    .app-left-column {
        width: 100%;
        max-width: 340px;
    }
}

@media (max-width: 768px) {
    /* Header响应式 */
    .header {
        padding: 12px 0;
    }

    .header-content {
        gap: 15px;
    }

    .logo-text {
        font-size: 22px;
    }

    .nav {
        gap: 20px;
        font-size: 14px;
    }

    .nav-link {
        font-size: 14px;
    }

    .btn {
        padding: 10px 24px;
        font-size: 14px;
    }

    .section-title-center {
        font-size: 36px;
        margin-bottom: 60px;
    }

    .app-demo {
        flex-direction: column;
        align-items: center;
        gap: 40px;
        margin-bottom: 60px;
    }

    .app-left-column {
        width: 100%;
        max-width: 340px;
    }

    .phone-mockup {
        width: 280px;
    }

    .phone-screen {
        height: 500px;
    }

    .floating-dock {
        bottom: 15px;
    }

    .dock-item {
        font-size: 9px;
    }

    .dock-item svg {
        width: 18px;
        height: 18px;
    }

    .app-bottom-desc {
        font-size: 12px;
        margin-bottom: 20px;
    }

    .store-buttons-row {
        gap: 10px;
    }

    .store-btn {
        padding: 8px 14px;
        font-size: 11px;
    }

    .feature-tab {
        padding: 24px;
        gap: 16px;
    }

    .feature-tab h4 {
        font-size: 18px;
    }

    .feature-tab p {
        font-size: 14px;
    }

    .download-section {
        padding: 40px;
        gap: 20px;
    }

    .download-title {
        font-size: 24px;
    }

    .download-buttons {
        gap: 12px;
    }

    .download-btn {
        padding: 14px 24px;
        font-size: 14px;
    }
}

/* ==================== 生活场景板块重构 (Scenarios Fix) ==================== */

/* 1. 容器背景纯白 */
.scenarios {
    background: #FFFFFF;
    padding: 100px 0;
    overflow: hidden; /* 防止出现水平滚动条 */
}

#scenarios-title {
    color: #000;
    font-weight: 400;
    margin-bottom: 60px;
}

/* 2. 轮播容器 */
.scenarios-carousel-wrapper {
    margin-top: 0;
    padding: 20px 0;
    background: transparent; /* 去掉背景色 */
    border: none;
    width: 100%;
    overflow: visible; /* 允许阴影显示 */
}

.scenarios-carousel {
    display: flex;
    gap: 24px; /* 卡片间距 */
    overflow-x: auto;
    scroll-behavior: smooth;
    padding: 20px 40px; /* 给左右留白 */
    scrollbar-width: none; /* 隐藏滚动条 Firefox */
    -ms-overflow-style: none;  /* 隐藏滚动条 IE */
}

.scenarios-carousel::-webkit-scrollbar { 
    display: none; /* 隐藏滚动条 Chrome/Safari */
}

/* 3. 卡片样式重构 - 类似 iPhone 相册风格 */
.scenario-card {
    flex: 0 0 calc(50% - 12px);
    min-width: 400px;
    height: 400px;
    border-radius: 24px; /* 更大的圆角 */
    overflow: hidden;
    position: relative;
    background-color: #F0F0F0; /* 图片加载失败时的底色 */
    background-size: cover;
    background-position: center;
    
    border: 1px solid #E5E5E5;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05); /* 极淡的阴影 */
    transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

/* 移除旧版的所有伪元素背景 */
.scenario-card::before { display: none; }

/* 悬停效果 */
.scenario-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.12);
    border-color: transparent;
}

/* 4. 文字遮罩层优化 - 仅底部渐变黑 */
.scenario-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px;
    /* 这是一个干净的黑色渐变，确保白字清晰 */
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0) 100%);
    transform: translateY(0); /* 默认显示，不要隐藏 */
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    height: 50%;
    z-index: 2;
}

.scenario-title {
    color: #FFF;
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 8px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
    animation: none; /* 移除入场动画 */
}

.scenario-desc {
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
    line-height: 1.4;
    animation: none;
    opacity: 1;
    transform: none;
}

/* 5. 导航按钮重构 - 黑圈风格 */
.carousel-nav {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
}

.nav-prev, .nav-next {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #FFF;
    border: 1px solid #E5E5E5;
    color: #000;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    transition: all 0.2s ease;
    box-shadow: none;
}

.nav-prev:hover, .nav-next:hover {
    background: #000;
    color: #FFF;
    border-color: #000;
    transform: scale(1.05);
}

/* ==================== FINAL CTA ==================== */
.final-cta {
    padding: var(--section-padding);
    text-align: center;
    background: var(--secondary-bg);
}

.cta-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
}

.cta-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

/* ==================== FOOTER ==================== */
.footer {
    background: linear-gradient(180deg, rgba(5, 5, 17, 0.6) 0%, rgba(11, 13, 30, 0.8) 100%);
    padding: 60px 0 30px;
    border-top: 1px solid rgba(0, 240, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse 800px 400px at 30% -50%, rgba(0, 240, 255, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.footer-grid-optimized {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr) 1fr;
    gap: 50px;
    position: relative;
    z-index: 1;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.logo-footer {
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.logo-footer .logo-image-footer {
    height: 40px;
    width: auto;
}

.logo-footer:hover .logo-image-footer {
    transform: scale(1.05);
}

/* Logo文字样式 */
.logo-text {
    font-size: 24px;
    font-weight: 600;
    color: #000000;
    letter-spacing: -0.5px;
    transition: all 0.3s ease;
}

.logo-text:hover {
    opacity: 0.7;
}

.logo-footer .logo-text {
    font-size: 24px;
    color: #ffffff;
}

.logo-footer:hover .logo-text {
    opacity: 0.8;
    transform: scale(1.05);
}

.footer-slogan {
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 15px;
    font-size: 14px;
    line-height: 1.6;
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.4);
    font-size: 12px;
    margin-top: auto;
    padding-top: 20px;
}

.footer-links {
    display: contents;
}

.footer-column {
    display: flex;
    flex-direction: column;
}

.column-title {
    font-size: 16px;
    margin-bottom: 20px;
    color: #00f0ff;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 700;
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 12px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.footer-column a:hover {
    color: #ffffff;
    text-shadow: 0 0 10px rgba(0, 240, 255, 0.4);
    padding-left: 5px;
}

.footer-social {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.social-links {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.social-icon {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(0, 240, 255, 0.08);
    border: 1px solid rgba(0, 240, 255, 0.2);
    color: rgba(0, 240, 255, 0.8);
    transition: all 0.3s ease;
}

.social-icon:hover {
    background: rgba(0, 240, 255, 0.15);
    border-color: #00f0ff;
    color: #ffffff;
    box-shadow: 
        0 0 20px rgba(0, 240, 255, 0.4),
        inset 0 0 15px rgba(0, 240, 255, 0.1);
    transform: translateY(-3px);
}

.social-icon svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
    .highlights-layout,
    .app-demo {
        grid-template-columns: 1fr;
    }
    
    .highlights-left {
        position: relative;
        top: 0;
    }
    
    .scenario-card {
        flex: 0 0 calc(100% - 15px);
        min-width: 300px;
        height: 380px;
    }
}

/* ==================== 滚动指示器 ==================== */
.scroll-indicator {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 2px;
    height: 80px;
    background: #E5E5E5;
    border-radius: 10px;
    z-index: 100;
    overflow: hidden;
}

.scroll-indicator-bar {
    width: 100%;
    height: 0%;
    background: #000000;
    border-radius: 10px;
    transition: height 0.1s ease;
}

/* ==================== 加载条 ==================== */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: transparent;
    z-index: 9999;
}

.page-loader::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
    animation: pageLoadAnim 2s linear infinite;
}

@keyframes pageLoadAnim {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

/* ==================== 文本呼吸效果 ==================== */
.hero-title {
    animation: titleSlideIn 1.2s cubic-bezier(0.34, 1.56, 0.64, 1),
              textBreathe 4s ease-in-out 1.2s infinite;
}

@keyframes textBreathe {
    0%, 100% {
        text-shadow: 
            0 0 30px rgba(0, 255, 255, 0.3),
            0 0 60px rgba(0, 255, 255, 0.15);
    }
    50% {
        text-shadow: 
            0 0 50px rgba(0, 255, 255, 0.5),
            0 0 80px rgba(0, 255, 255, 0.25);
    }
}

/* ==================== PARAMETER FLOW ANIMATIONS ==================== */
@keyframes parameterFlow {
    0% {
        transform: translateX(-100%);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateX(100%);
        opacity: 0;
    }
}

@keyframes dataStreamFlow {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 50px 50px;
    }
}

@keyframes valueReveal {
    from {
        opacity: 0;
        transform: scale(0.8) rotateY(90deg);
    }
    to {
        opacity: 1;
        transform: scale(1) rotateY(0);
    }
}

@keyframes energyPulseWave {
    0% {
        box-shadow: 
            0 0 0 0 rgba(0, 255, 255, 0.5),
            0 0 15px rgba(0, 255, 255, 0.3);
    }
    50% {
        box-shadow: 
            0 0 0 15px rgba(0, 255, 255, 0),
            0 0 25px rgba(0, 255, 255, 0.5);
    }
    100% {
        box-shadow: 
            0 0 0 30px rgba(0, 255, 255, 0),
            0 0 15px rgba(0, 255, 255, 0.3);
    }
}

/* ==================== 联系表单 ==================== */
.contact-section {
    padding: var(--section-padding);
    background: var(--primary-bg);
    position: relative;
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.contact-left {
    position: relative;
}

.contact-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.contact-desc {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 40px;
}

.abstract-design {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, 
        rgba(0, 255, 255, 0.1) 0%,
        transparent 50%),
        linear-gradient(45deg,
        transparent 0%,
        rgba(0, 128, 255, 0.05) 100%);
    border-radius: 20px;
    position: relative;
    overflow: hidden;
}

.abstract-design::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(90deg, rgba(0, 255, 255, 0.1) 1px, transparent 1px),
        linear-gradient(rgba(0, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridFlow 10s linear infinite;
}

@keyframes gridFlow {
    0% { transform: translateX(-50px) translateY(-50px); }
    100% { transform: translateX(0) translateY(0); }
}

/* 表单卡片 */
.contact-form-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.92));
    border-radius: 20px;
    padding: 50px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.form-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 40px;
    border-bottom: 2px solid #e0e0e0;
}

.tab-btn {
    flex: 1;
    padding: 15px 20px;
    background: transparent;
    border: none;
    color: #666;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    border-bottom: 3px solid transparent;
}

.tab-btn.active {
    color: #0A1931;
    border-bottom-color: var(--accent-cyan);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 16px;
    background: white;
    color: #333;
    transition: all 0.3s ease;
    font-family: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.2);
}

.contact-form textarea {
    resize: vertical;
}

.form-info {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.checkbox-group input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    accent-color: var(--accent-cyan);
    cursor: pointer;
    flex-shrink: 0;
}

.checkbox-group label {
    font-size: 14px;
    color: #666;
    line-height: 1.5;
    cursor: pointer;
}

.checkbox-group a {
    color: var(--accent-cyan);
    text-decoration: none;
    transition: all 0.3s ease;
}

.checkbox-group a:hover {
    text-decoration: underline;
}

.btn-submit {
    padding: 15px 40px;
    background: linear-gradient(135deg, #FFB800, #FFA500);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 20px;
}

.btn-submit:hover {
    background: linear-gradient(135deg, var(--accent-cyan), #00CCFF);
    box-shadow: 0 10px 30px rgba(0, 255, 255, 0.3);
    transform: translateY(-2px);
}

@media (max-width: 1024px) {
    .contact-layout {
        grid-template-columns: 1fr;
    }
    
    .abstract-design {
        height: 150px;
    }
    
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* 全屏部分平板适配 */
    .full-screen-title {
        font-size: 48px;
        margin-bottom: 60px;
    }
    
    .values-grid-large {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
    
    .visual-product-grid {
        max-width: 700px; /* 平板端缩小宽度 */
        height: 70vh;
        min-height: 500px;
    }
    
    .download-section {
        text-align: center; /* 平板端恢复居中 */
        align-items: center;
    }
    
    .download-buttons {
        justify-content: center; /* 平板端按钮居中 */
    }
    
    .card-content-overlay {
        padding: 30px;
    }
    
    .visual-card .product-name {
        font-size: 26px;
    }
    
    .visual-card .product-description {
        font-size: 16px;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-wrap: wrap;
    }
    
    .nav {
        order: 3;
        width: 100%;
        justify-content: center;
        margin-top: 20px;
        gap: 20px;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-content {
        padding: 5vh 20px; /* 移动端减少内边距 */
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
        margin-top: 30px; /* 移动端减少间距 */
    }
    
    /* 全屏部分手机适配 */
    .full-viewport-section {
        min-height: 100vh;
        padding: 60px 0;
    }
    
    .full-screen-title {
        font-size: 36px;
        margin-bottom: 40px;
    }
    
    .values-grid,
    .values-grid-large {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .value-card {
        padding: 40px 20px;
    }
    
    /* 四宫格移动端适配 - 垂直堆叠 */
    .visual-product-grid {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(4, 1fr);
        height: auto;
        min-height: auto;
        gap: 15px;
        max-width: 100%; /* 移动端全宽 */
    }
    
    .download-section {
        text-align: center; /* 移动端恢复居中 */
        align-items: center;
    }
    
    .download-buttons {
        justify-content: center; /* 移动端按钮居中 */
    }
    
    .visual-card {
        height: 300px;
    }
    
    .card-content-overlay {
        padding: 25px;
    }
    
    .visual-card .product-name {
        font-size: 22px;
    }
    
    .visual-card .product-description {
        font-size: 14px;
    }
    
    .btn-outline-cyan,
    .btn-outline-white {
        padding: 10px 24px;
        font-size: 14px;
    }
    
    .health-metrics {
        grid-template-columns: 1fr;
    }
    
    .highlight-section {
        min-height: auto;
        padding: 40px 20px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .ai-assistant {
        flex-direction: column;
        align-items: center;
    }
    
    .score-circle {
        width: 140px;
        height: 140px;
    }
    
    .scenario-card {
        flex: 0 0 80vw;
        min-width: 280px;
        height: 320px;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .product-card {
        height: 280px;
    }
    
    .card-content {
        padding: 25px;
    }
    
    .product-name {
        font-size: 22px;
    }
    
    .section-title-center {
        font-size: 32px;
    }
    
    .app-demo {
        gap: 40px;
    }
    
    .phone-mockup {
        max-width: 300px;
    }
    
    .app-features {
        gap: 15px;
    }
    
    .feature-tab {
        padding: 20px;
        flex-direction: column;
        text-align: center;
    }
    
    .feature-icon {
        width: 40px;
        height: 40px;
    }
    
    .contact-form-card {
        padding: 20px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid-optimized {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .container-fluid {
        padding: 0 20px;
    }
}

/* ==================== 内页"去色"和"扁平化"重构 ==================== */

/* --- 产品页 Hero 重构 --- */
.product-header {
    background: #F3F3F3;
    padding-top: 140px;
    min-height: auto;
    padding-bottom: 80px;
}

.data-flow-container, 
.product-rotate-hint,
.glow-effect-container {
    display: none;
}

.features-grid .feature-card {
    background: #FFFFFF;
    border: 1px solid #E5E5E5;
    box-shadow: none;
    color: #000;
}

.features-grid .feature-card .card-title {
    color: #000;
}

.features-grid .feature-card .card-desc {
    color: #666;
}

.features-grid .feature-card .big-value {
    color: #000;
}

.features-grid .feature-card .card-icon {
    color: #000; 
}

.feature-deepdive {
    background: #FFF;
}

.feature-block {
    background: #FFF;
    margin-bottom: 0;
    padding: 80px 0;
    border-bottom: 1px solid #F0F0F0;
}

.feature-text h2 {
    color: #000;
    font-weight: 400;
}

.feature-text p, .feature-list li {
    color: #555;
}

.ai-terminal {
    background: #F7F7F7;
    border: 1px solid #E5E5E5;
    box-shadow: none;
}

.terminal-header {
    border-bottom: 1px solid #E5E5E5;
    background: #FFF;
}

.terminal-title {
    color: #000;
}

.terminal-line .prompt {
    color: #999;
}

.terminal-line .output, .terminal-line .command {
    color: #000;
}

/* --- 支持页去色 --- */
.support-hero {
    background: #FFF;
    padding: 120px 0 60px;
    text-align: center;
}

.page-title {
    color: #000;
    font-weight: 400;
    font-size: 48px;
}

.search-box {
    background: #FFF;
    border: 1px solid #CCC;
    border-radius: 50px;
    box-shadow: none;
    max-width: 600px;
    margin: 0 auto;
}

.search-input {
    color: #000;
}

.search-icon {
    color: #000;
}

.category-card {
    background: #F9F9F9;
    border: 1px solid transparent;
    box-shadow: none;
}

.category-card:hover {
    background: #FFF;
    border-color: #E5E5E5;
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.category-card h3 {
    color: #000;
}

.category-card p {
    color: #666;
}

.category-icon {
    background: #FFF;
    color: #000;
    border: 1px solid #E5E5E5;
}

.faq-item {
    background: transparent;
    border-bottom: 1px solid #E5E5E5;
    border-radius: 0;
    padding: 20px 0;
}

.faq-question h3 {
    color: #000;
    font-size: 18px;
    font-weight: 500;
}

.faq-answer p {
    color: #555;
}

/* --- About 页重构 --- */
.hero-team-photo {
    background: #F3F3F3;
    height: 50vh;
    padding-top: 100px;
}

.hero-title-large {
    color: #000;
    font-weight: 400;
    text-shadow: none;
}

.highlight-aurora::after {
    display: none;
}

.split-content.bg-white {
    background: #FFF;
}

.section-head {
    color: #000;
}

.text-body {
    color: #444;
}

.team-section {
    background: #FFF;
}

.team-member-circle h3 {
    color: #000;
}

.team-member-circle p {
    color: #888;
}

.mission-banner {
    background: #000;
    color: #FFF;
}

.mission-banner .section-head,
.mission-banner .text-body {
    color: #FFF;
}

/* --- 商店页选择器 --- */
.color-options {
    display: flex;
    gap: 15px;
}

.color-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid transparent;
    position: relative;
    cursor: pointer;
    padding: 0;
}

.color-btn.active {
    border-color: #000;
    transform: scale(1.1);
}

.color-btn[data-color="silver"] { background: #E0E0E0; }
.color-btn[data-color="black"] { background: #000000; }
.color-btn[data-color="gold"] { background: #D4AF37; }
.color-btn[data-color="stealth"] { background: #333333; }

.size-options {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.size-btn {
    background: #FFF;
    border: 1px solid #E5E5E5;
    color: #000;
    border-radius: 4px;
    width: 50px;
    height: 50px;
    font-weight: 500;
}

.size-btn:hover {
    border-color: #999;
}

.size-btn.active {
    background: #000;
    color: #FFF;
    border-color: #000;
}

/* ==================== APP 生态板块布局修复 ==================== */

/* 1. 强制桌面端为水平布局 */
@media (min-width: 993px) {
    .app-demo {
        display: flex !important;
        flex-direction: row !important; /* 强制横向排列 */
        align-items: center !important;
        justify-content: center !important;
        gap: 100px !important; /* 增加左右间距，防止挤在一起 */
        max-width: 1200px;
        margin: 0 auto 60px;
    }

    /* 左侧手机容器 */
    .app-left-column {
        flex: 0 0 320px !important; /* 固定宽度 */
        width: 320px !important;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    /* 右侧功能列表 */
    .app-features {
        flex: 0 1 500px !important; /* 占据剩余空间，但不超过 500px */
        display: flex;
        flex-direction: column;
        gap: 24px !important; /* 卡片之间的垂直间距 */
    }
}

/* 2. 修复功能卡片样式 */
.feature-tab {
    display: flex !important;
    flex-direction: row !important; /* 强制卡片内容横向排列 */
    align-items: center !important;
    padding: 30px !important;
    background: #FFFFFF !important;
    border: 1px solid #E5E5E5 !important;
    border-radius: 16px !important;
    box-shadow: 0 4px 20px rgba(0,0,0,0.03) !important;
    transition: all 0.3s ease;
    /* 确保文字左对齐 */
    text-align: left !important; 
}

/* 悬停和激活状态 */
.feature-tab:hover,
.feature-tab.active {
    border-color: #000000 !important;
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.08) !important;
    background: #FAFAFA !important;
}

/* 修复图标大小和位置 */
.feature-icon {
    width: 48px !important;
    height: 48px !important;
    margin-right: 20px !important;
    margin-bottom: 0 !important; /* 防止图标跑到上面 */
    background: #F5F5F5;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #000 !important;
    flex-shrink: 0; /* 防止图标被压缩 */
}

.feature-content {
    flex: 1;
}

.feature-tab h4 {
    margin: 0 0 5px 0 !important;
    font-size: 18px !important;
    color: #000 !important;
}

.feature-tab p {
    margin: 0 !important;
    font-size: 14px !important;
    color: #666 !important;
    line-height: 1.5;
}

/* 3. 手机模型位置微调 */
.phone-mockup {
    margin-bottom: 30px;
    border: 4px solid #000; /* 增加手机边框质感 */
    border-radius: 40px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.15);
    background: #000;
}

/* ==================== 关于我们页面重构 (About Page Fix) ==================== */

/* 1. 修复 Hero 区域 (Team Photo) */
.hero-team-photo {
    background: #F3F3F3 !important; /* 干净的浅灰底 */
    height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.hero-team-photo h1 {
    color: #000000 !important;
    font-weight: 400;
    letter-spacing: -1px;
    text-shadow: none !important; /* 去掉发光 */
    font-size: 48px;
}

/* 2. 修复标题颜色 (去除霓虹青色) */
.section-head, 
.team-intro-title,
.section-title-center {
    color: #000000 !important; /* 强制变黑 */
    font-weight: 400 !important;
    margin-bottom: 40px;
}

/* 3. 修复 "About Company" & "Our Story" 布局 */
.split-section {
    background: #FFFFFF;
}

.split-content.bg-white {
    background: #FFFFFF !important;
}

/* 确保文字也是深灰，不是亮白或浅灰 */
.text-body {
    color: #333333 !important;
    font-size: 16px;
    line-height: 1.8;
}

/* 修复图片占位符，如果没有图，给一个高级灰 */
.image-placeholder {
    background-color: #E5E5E5 !important; 
    /* 如果有图片，图片会覆盖这个颜色 */
}

/* 4. ★ 重构团队板块 (Team Introduction) - 这里的改动最大 */
.team-section {
    background: #FFFFFF !important; /* 背景变白 */
    padding: 100px 0;
}

.team-grid-circle {
    /* 确保网格间距适中 */
    gap: 60px;
}

/* 头像容器：去除发光，改为实体边框 */
.avatar-wrapper {
    border: 1px solid #E0E0E0 !important; /* 浅灰边框 */
    background: #F9F9F9 !important;
    box-shadow: none !important; /* 去除霓虹阴影 */
    width: 180px;
    height: 180px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.avatar-wrapper:hover {
    border-color: #000 !important; /* 悬停变黑框 */
    transform: scale(1.02);
}

/* 团队成员名字和职位 */
.member-name-large {
    color: #000000 !important;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 5px;
}

.member-role {
    color: #666666 !important;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* 5. 修复 Mission & Vision (改为极简白底风格) */
.mission-banner {
    background: #FFFFFF !important; /* 纯白背景 */
    color: #000000 !important;
    padding: 120px 0;
    border-top: 1px solid #E5E5E5;
    border-bottom: 1px solid #E5E5E5;
}

.mission-banner .section-head {
    color: #000000 !important; /* 黑色标题 */
    font-weight: 400 !important;
}

.mission-banner .text-body {
    color: #333333 !important;
    font-size: 16px;
    line-height: 1.8;
}

/* 6. 联系我们板块 */
.about-contact {
    background: #F9F9F9 !important;
    padding: 100px 0;
}

.contact-info-card {
    background: #FFFFFF !important;
    border: 1px solid #E5E5E5 !important;
    box-shadow: none !important;
    color: #000 !important;
}

.contact-info-card h3 {
    color: #000 !important;
}

.contact-info-card p {
    color: #666 !important;
}

/* ==================== 下载按钮修复 (Store Buttons Fix) ==================== */

/* 按钮容器布局 */
.store-buttons-row {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-top: 40px; /* 增加与手机的间距，避免拥挤 */
    width: 100%;
}

/* 黑色胶囊按钮风格 */
.store-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: #000000; /* 纯黑底色 */
    color: #FFFFFF;            /* 白色文字 */
    padding: 12px 24px;
    border-radius: 100px;      /* 胶囊形状 */
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    border: 1px solid #000000; /* 边框同色 */
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1); /* 轻微投影 */
}

/* 悬停交互：反色效果 (白底黑字) */
.store-btn:hover {
    background-color: #FFFFFF;
    color: #000000;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

/* 图标样式 */
.store-icon {
    width: 20px;
    height: 20px;
    fill: currentColor; /* 跟随文字颜色变化 */
}

/* 移动端适配 */
@media (max-width: 768px) {
    .store-buttons-row {
        margin-top: 30px;
    }
    .store-btn {
        padding: 10px 20px;
        font-size: 13px;
    }
}

/* ==================== 支持页面卡片修复 (Support Page Fix) ==================== */

/* 1. 修复"免费尺寸测量工具"的高亮背景 */
.method-card.highlight-card {
    background-color: #F9F9F9 !important; /* 改为干净的浅灰色，不再用青色 */
    border: 1px solid #E5E5E5 !important; /* 加上细灰边框 */
    box-shadow: none !important; /* 去掉发光阴影 */
    color: #000000 !important; /* 强制文字变黑 */
}

/* 2. 修复卡片内的标题颜色 */
.method-card.highlight-card h3 {
    color: #000000 !important;
    font-weight: 600;
}

/* 3. 修复说明文字颜色 */
.method-card.highlight-card p {
    color: #666666 !important;
}

/* 4. 优化卡片内的按钮 (黑底白字) */
.method-card.highlight-card .btn {
    background-color: #000000 !important;
    color: #FFFFFF !important;
    border: 1px solid #000000 !important;
    border-radius: 100px !important; /* 胶囊形状 */
    padding: 10px 24px !important;
    font-weight: 500 !important;
    box-shadow: none !important;
    transition: all 0.3s ease;
}

/* 按钮悬停效果 */
.method-card.highlight-card .btn:hover {
    background-color: #FFFFFF !important; /* 悬停变白底 */
    color: #000000 !important; /* 黑字 */
    transform: translateY(-2px);
}

/* ==================== 支持页面全面修复 (Support Page Complete Fix) ==================== */

/* Support Hero 修复 */
.support-hero {
    background: #FFFFFF !important;
    padding: 120px 0 60px !important;
}

.page-title {
    color: #000000 !important;
    font-weight: 400 !important;
}

.search-box {
    background: #FFFFFF !important;
    border: 1px solid #E5E5E5 !important;
    box-shadow: none !important;
}

.search-input {
    color: #000000 !important;
    background: #FFFFFF !important;
}

.search-icon {
    color: #999999 !important;
}

/* 分类卡片修复 */
.category-card {
    background: #FFFFFF !important;
    border: 1px solid #E5E5E5 !important;
    box-shadow: none !important;
    color: #000000 !important;
}

.category-card h3 {
    color: #000000 !important;
}

.category-card p {
    color: #666666 !important;
}

.category-icon {
    color: #000000 !important;
}

/* 支持章节背景修复 */
.support-section {
    background: #FFFFFF !important;
}

.support-section.alt-bg {
    background: #F9F9F9 !important;
}

/* 方法卡片修复 (通用) */
.method-card {
    background: #FFFFFF !important;
    border: 1px solid #E5E5E5 !important;
    box-shadow: none !important;
    color: #000000 !important;
}

.method-card h3 {
    color: #000000 !important;
    font-weight: 600;
}

.method-card p {
    color: #666666 !important;
}

.method-card ul,
.method-card ol {
    color: #666666 !important;
}

/* 手册和保修卡片 */
.manual-item,
.warranty-card,
.sizing-tips {
    background: #FFFFFF !important;
    border: 1px solid #E5E5E5 !important;
    box-shadow: none !important;
}

.manual-item h3,
.warranty-card h3,
.sizing-tips h3 {
    color: #000000 !important;
    font-weight: 600;
}

.manual-item ul,
.warranty-card ul,
.sizing-tips ul {
    color: #666666 !important;
}

/* 联系支持卡片 */
.contact-support {
    background: #F9F9F9 !important;
}

.contact-card {
    background: #FFFFFF !important;
    border: 1px solid #E5E5E5 !important;
    box-shadow: none !important;
}

.contact-card h3 {
    color: #000000 !important;
}

.contact-card p {
    color: #666666 !important;
}

.contact-icon {
    color: #000000 !important;
}

.response-time {
    color: #999999 !important;
}

/* 步骤数字圆圈修复 */
.step-number {
    background: #000000 !important;
    color: #FFFFFF !important;
}

.step-content h3 {
    color: #000000 !important;
}

.step-content p {
    color: #666666 !important;
}