/* ========================================
   高端单页网站样式 - 白浪轻腾
   专业 · 精致 · 优雅
   ======================================== */

/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 高端配色方案 */
    --color-primary: #0a0e27;
    --color-primary-light: #1a1f3a;
    --color-accent: #d4af37;
    --color-accent-light: #f4e4a6;
    --color-text-primary: #1a1a1a;
    --color-text-secondary: #666666;
    --color-text-light: #999999;
    --color-bg-primary: #ffffff;
    --color-bg-secondary: #fafafa;
    --color-bg-dark: #0a0e27;
    --color-border: #e8e8e8;
    
    /* 阴影系统 */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
    
    /* 间距系统 */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 48px;
    --spacing-xl: 80px;
    --spacing-2xl: 120px;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    color: var(--color-text-primary);
    line-height: 1.7;
    background: var(--color-bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
}

/* ========================================
   头部导航 - 精致固定导航
   ======================================== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: inherit;
}

.logo-image {
    height: 42px;
    width: auto;
    display: block;
    flex-shrink: 0;
}

.logo-text {
    font-size: 22px;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: 1px;
    white-space: nowrap;
}

.main-nav {
    position: relative;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    gap: 5px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: 0.3s;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 48px;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--color-text-primary);
    font-weight: 500;
    font-size: 15px;
    letter-spacing: 0.3px;
    transition: color 0.3s;
    position: relative;
    padding: 8px 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-menu a:hover {
    color: var(--color-primary);
}

/* ========================================
   Hero 区域 - 全屏高端展示
   ======================================== */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 50%, #2a2f4a 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(212, 175, 55, 0.15) 0%, transparent 50%);
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(212, 175, 55, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(212, 175, 55, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: white;
    max-width: 900px;
    padding: 140px 0 100px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(212, 175, 55, 0.2);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 30px;
    margin-bottom: 32px;
    backdrop-filter: blur(10px);
}

.hero-badge span {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-accent-light);
}

.hero-title {
    font-size: 72px;
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: -2px;
    line-height: 1.1;
}

.title-line {
    display: block;
    background: linear-gradient(135deg, #ffffff 0%, #f4e4a6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 32px;
    font-weight: 400;
    margin-bottom: 20px;
    opacity: 0.95;
    letter-spacing: -0.5px;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.hero-description {
    font-size: 18px;
    margin-bottom: 56px;
    opacity: 0.85;
    line-height: 1.8;
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
    word-wrap: break-word;
    word-break: break-word;
    overflow-wrap: break-word;
}

.hero-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 80px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 80px;
    padding-top: 60px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 8px;
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
    z-index: 1;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 20px;
    background: var(--color-accent);
    animation: scrollDown 2s infinite;
}

@keyframes scrollDown {
    0% { transform: translateY(-20px); opacity: 0; }
    50% { opacity: 1; }
    100% { transform: translateY(40px); opacity: 0; }
}

/* ========================================
   按钮样式 - 精致设计
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 36px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-primary);
    box-shadow: 0 4px 16px rgba(212, 175, 55, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(212, 175, 55, 0.4);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

.btn-ghost {
    background: transparent;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn svg {
    transition: transform 0.3s;
}

.btn-primary:hover svg {
    transform: translateX(4px);
}

/* ========================================
   章节标题 - 精致排版
   ======================================== */
.section-header {
    margin-bottom: 80px;
}

.section-title-group {
    flex: 1;
}

.section-label {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(212, 175, 55, 0.1);
    color: var(--color-accent);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.section-title {
    font-size: 48px;
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1.2;
    letter-spacing: -1.5px;
}

.section-description {
    font-size: 18px;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-top: 16px;
}

.values-showcase {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 40px;
}

.value-item {
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(212, 175, 55, 0.15);
    border-radius: 16px;
    padding: 40px 32px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.value-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.value-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: rgba(212, 175, 55, 0.3);
}

.value-item:hover::before {
    transform: scaleX(1);
}

.value-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1), rgba(212, 175, 55, 0.05));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    transition: all 0.4s ease;
}

.value-item:hover .value-icon {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.2), rgba(212, 175, 55, 0.1));
}

.value-icon svg {
    width: 32px;
    height: 32px;
}

.value-item h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.value-item p {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: 0;
}

@media (max-width: 1024px) {
    .values-showcase {
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    
    .value-item {
        padding: 32px 24px;
    }
}

@media (max-width: 768px) {
    .values-showcase {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .value-item {
        padding: 32px 24px;
    }
    
    .value-item h3 {
        font-size: 24px;
    }
}

/* ========================================
   关于我们 - 全新设计
   ======================================== */
.about-section {
    padding: var(--spacing-2xl) 0;
    background: var(--color-bg-primary);
}

.about-section .values-showcase {
    margin-top: 60px;
    margin-bottom: 80px;
}

.about-content {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 80px;
    align-items: flex-start;
    margin-bottom: 80px;
}

.about-main {
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.about-text {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about-text h3 {
    font-size: 28px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 0;
    letter-spacing: -0.5px;
    position: relative;
    padding-bottom: 16px;
}

.about-text h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), transparent);
    border-radius: 2px;
}

.about-text p {
    font-size: 16px;
    color: var(--color-text-secondary);
    line-height: 1.85;
    margin-bottom: 0;
}

.about-text p:first-of-type {
    margin-top: 8px;
}

.about-text h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 16px;
    margin-top: 32px;
}

.about-text h5 {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 12px;
    margin-top: 0;
}

.about-section .brand-names-showcase {
    background: rgba(212, 175, 55, 0.04);
    border: 1px solid rgba(212, 175, 55, 0.15);
    border-radius: 16px;
    padding: 48px 40px;
    margin-top: 0;
    width: 100%;
    box-sizing: border-box;
}

.brand-names-showcase h4 {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 28px;
    text-align: center;
    letter-spacing: 0.3px;
}

.brand-names-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 0;
    width: 100%;
}

.brand-name-category {
    background: white;
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 12px;
    padding: 24px 20px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    min-height: 0;
}

.brand-name-category:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
    border-color: rgba(212, 175, 55, 0.4);
}

.brand-name-category h5 {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 2px solid rgba(212, 175, 55, 0.25);
    letter-spacing: 0.2px;
    white-space: nowrap;
}

.brand-name-category ul {
    list-style: none;
    padding: 0;
    margin: 0;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.brand-name-category li {
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 12px;
    padding-left: 18px;
    position: relative;
}

.brand-name-category li:last-child {
    margin-bottom: 0;
}

.brand-name-category li:before {
    content: "▸";
    color: var(--color-accent);
    font-weight: bold;
    position: absolute;
    left: 0;
    font-size: 11px;
    top: 2px;
}

.brand-name-category li strong {
    color: var(--color-text-primary);
    font-weight: 600;
    display: inline-block;
    margin-right: 6px;
}

@media (max-width: 1024px) {
    .brand-names-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    
    .brand-names-showcase {
        padding: 32px 24px;
    }
    
    .brand-name-category {
        padding: 20px 16px;
    }
    
    .brand-name-category h5 {
        font-size: 14px;
        margin-bottom: 16px;
        padding-bottom: 12px;
    }
    
    .brand-name-category li {
        font-size: 12px;
        margin-bottom: 10px;
    }
}

@media (max-width: 768px) {
    .brand-names-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .brand-names-showcase {
        padding: 28px 20px;
    }
    
    .brand-names-showcase h4 {
        font-size: 18px;
        margin-bottom: 24px;
    }
    
    .brand-name-category {
        padding: 24px 20px;
    }
    
    .brand-name-category h5 {
        font-size: 15px;
        white-space: normal;
    }
    
    .brand-name-category li {
        font-size: 13px;
    }
    
    .about-section .values-showcase {
        margin-top: 40px;
        margin-bottom: 48px;
    }
    
    .about-content {
        margin-bottom: 48px;
    }
    
    .about-main {
        gap: 32px;
    }
    
    .about-text h3 {
        font-size: 24px;
    }
    
    .about-text p {
        font-size: 15px;
    }
    
    .about-section .brand-names-showcase {
        padding: 32px 24px;
    }
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 32px;
    margin-top: 48px;
}

.feature-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--color-accent);
}

.feature-icon svg {
    width: 24px;
    height: 24px;
}

.feature-content h4 {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 8px;
}

.feature-content p {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.about-image {
    position: relative;
    display: flex;
    align-items: flex-start;
}

.image-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    aspect-ratio: 4/5;
    width: 100%;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.about-image:hover .image-wrapper {
    transform: translateY(-8px);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.2);
}

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

.image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-secondary);
    color: var(--color-text-light);
    font-size: 16px;
}

/* ========================================
   核心功能 - 卡片网格
   ======================================== */
.features-section {
    padding: var(--spacing-2xl) 0;
    background: var(--color-bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    position: relative;
    padding: 48px 40px;
    background: white;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--color-border);
    opacity: 0;
    transform: translateY(30px);
}

.feature-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-accent);
}

.card-icon {
    width: 64px;
    height: 64px;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 32px;
    color: var(--color-accent);
    transition: all 0.3s;
}

.feature-card:hover .card-icon {
    background: var(--color-accent);
    color: white;
    transform: scale(1.1);
}

.card-icon svg {
    width: 28px;
    height: 28px;
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.feature-card p {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* ========================================
   案例展示 - 画廊式
   ======================================== */
.cases-section {
    padding: var(--spacing-2xl) 0;
    background: var(--color-bg-primary);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.case-item {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    transform: translateY(30px);
    aspect-ratio: 4/3;
}

.case-item.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.case-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
}

.case-large {
    /* 移除特殊样式，所有图片等宽 */
}

.case-image {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.case-item:hover .case-image img {
    transform: scale(1.1);
}

.case-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 100%);
    display: flex;
    align-items: flex-end;
    padding: 32px;
    opacity: 0;
    transition: opacity 0.4s;
}

.case-item:hover .case-overlay {
    opacity: 1;
}

.case-info h3 {
    font-size: 24px;
    font-weight: 600;
    color: white;
    margin-bottom: 8px;
}

.case-info p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
}

.case-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-secondary);
    color: var(--color-text-light);
    font-size: 16px;
}

/* ========================================
   体验指引 - 多平台支持
   ======================================== */
.experience-section {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 100%);
    color: white;
}

.experience-title-highlight {
    color: #ffffff !important;
    text-shadow: 0 2px 8px rgba(255, 255, 255, 0.3);
    font-weight: 700;
}

.experience-content {
    margin-top: 80px;
}

.experience-platforms {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.platform-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 40px 32px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    transform: translateY(30px);
}

.platform-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.platform-card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--color-accent);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.platform-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    background: transparent;
    border: none;
    border-radius: 0;
}

.platform-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.platform-icon svg {
    width: 48px;
    height: 48px;
}

.platform-card:hover .platform-icon {
    transform: scale(1.05);
}

.platform-card h3 {
    font-size: 22px;
    font-weight: 600;
    color: white;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.platform-card p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 24px;
    line-height: 1.6;
}

/* 二维码弹出层 */
.platform-qrcode-popup {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

/* 移动端也使用弹窗，不直接显示 */
@media (max-width: 768px) {
    .platform-qrcode-popup {
        display: none;
    }
    
    .platform-qrcode-popup.show {
        display: flex;
        opacity: 1;
    }
}

.platform-qrcode-popup.show {
    display: flex;
    opacity: 1;
}

.qrcode-popup-content {
    background: white;
    border-radius: 24px;
    padding: 48px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 340px;
    width: 90%;
    position: relative;
    transform: scale(0.9);
    transition: transform 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.platform-qrcode-popup.show .qrcode-popup-content {
    transform: scale(1);
}

.qrcode-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border: none;
    background: rgba(0, 0, 0, 0.05);
    border-radius: 50%;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    color: var(--color-text-secondary);
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

.qrcode-close:hover {
    background: rgba(0, 0, 0, 0.15);
    color: var(--color-text-primary);
}

.qrcode-popup-content img {
    width: 260px;
    height: 260px;
    object-fit: contain;
    display: block;
}

.qrcode-popup-content .qrcode-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--color-text-light);
    width: 260px;
    height: 260px;
}

.qrcode-popup-content .qrcode-placeholder svg {
    width: 60px;
    height: 60px;
    color: var(--color-text-light);
}

.qrcode-popup-content .qrcode-placeholder span {
    font-size: 14px;
}

/* platform-badge 已移除，不再显示 */

.platform-link {
    display: inline-block;
    padding: 12px 24px;
    background: var(--color-accent);
    color: var(--color-primary);
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3);
    width: 100%;
    text-align: center;
}

.platform-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
}

.platform-link.btn-download {
    width: 100%;
    text-align: center;
}

/* ========================================
   联系方式 - 优雅展示
   ======================================== */
.contact-section {
    padding: var(--spacing-2xl) 0;
    background: var(--color-bg-primary);
}

.contact-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
}

.contact-item {
    text-align: center;
    padding: 56px 40px;
    background: var(--color-bg-secondary);
    border-radius: 20px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--color-border);
    opacity: 0;
    transform: translateY(30px);
}

.contact-item.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.contact-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-accent);
}

.contact-icon-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: 32px;
}

.contact-icon {
    width: 80px;
    height: 80px;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    transition: all 0.3s;
}

.contact-item:hover .contact-icon {
    background: var(--color-accent);
    color: white;
    transform: scale(1.1);
}

.contact-icon svg {
    width: 36px;
    height: 36px;
}

.contact-item h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 12px;
}

.contact-item p {
    font-size: 16px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ========================================
   页脚
   ======================================== */
.main-footer {
    background: var(--color-bg-dark);
    color: rgba(255, 255, 255, 0.6);
    padding: 60px 0;
}

.footer-content {
    text-align: center;
}

.copyright {
    font-size: 14px;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

.footer-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

.icp-link,
.gongan-link {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 13px;
    transition: color 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.icp-link:hover,
.gongan-link:hover {
    color: rgba(255, 255, 255, 0.9);
}

.police-icon {
    width: 14px;
    height: 14px;
    display: inline-block;
    vertical-align: middle;
    flex-shrink: 0;
}

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 56px;
    }
    
    .hero-subtitle {
        font-size: 28px;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .about-section .values-showcase {
        margin-top: 48px;
        margin-bottom: 60px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 60px;
        margin-bottom: 60px;
    }
    
    .about-main {
        gap: 40px;
    }
    
    .about-image {
        order: -1;
    }
    
    .image-wrapper {
        aspect-ratio: 16/10;
    }
    
    .about-section .brand-names-showcase {
        padding: 40px 32px;
    }
    
    .experience-platforms {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        right: 0;
        flex-direction: column;
        background: white;
        box-shadow: var(--shadow-lg);
        padding: 24px;
        min-width: 200px;
        display: none;
        gap: 16px;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .hero-content {
        padding: 100px 0 60px;
        width: 100%;
        box-sizing: border-box;
    }
    
    .hero-badge {
        padding: 6px 16px;
        margin-bottom: 24px;
    }
    
    .hero-badge span {
        font-size: 11px;
    }
    
    .hero-title {
        font-size: 36px;
        margin-bottom: 20px;
        letter-spacing: -1px;
        word-wrap: break-word;
    }
    
    .hero-subtitle {
        font-size: 20px;
        margin-bottom: 16px;
        line-height: 1.4;
        word-wrap: break-word;
    }
    
    .hero-description {
        font-size: 14px;
        line-height: 1.7;
        margin-bottom: 40px;
        padding: 0 8px;
        word-wrap: break-word;
        word-break: break-word;
        overflow-wrap: break-word;
    }
    
    .hero-actions {
        margin-bottom: 50px;
        gap: 16px;
    }
    
    .hero-stats {
        gap: 32px;
        padding-top: 40px;
        flex-wrap: wrap;
    }
    
    .stat-item {
        flex: 1;
        min-width: 80px;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .stat-label {
        font-size: 12px;
    }
    
    
    .section-title {
        font-size: 36px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .case-item {
        aspect-ratio: 16/10;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .experience-platforms {
        grid-template-columns: 1fr;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .experience-title-highlight {
        font-size: 32px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero-content {
        padding: 90px 0 50px;
    }
    
    .hero-badge {
        padding: 5px 14px;
        margin-bottom: 20px;
    }
    
    .hero-badge span {
        font-size: 10px;
        letter-spacing: 1px;
    }
    
    .hero-title {
        font-size: 28px;
        margin-bottom: 16px;
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: 18px;
        margin-bottom: 14px;
        line-height: 1.3;
    }
    
    .hero-description {
        font-size: 13px;
        line-height: 1.6;
        margin-bottom: 32px;
        padding: 0 4px;
    }
    
    .hero-actions {
        margin-bottom: 40px;
        gap: 12px;
    }
    
    .hero-actions .btn {
        font-size: 14px;
        padding: 12px 24px;
    }
    
    .hero-stats {
        gap: 24px;
        padding-top: 32px;
    }
    
    .stat-item {
        min-width: 70px;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    .stat-label {
        font-size: 11px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .about-section,
    .features-section,
    .cases-section,
    .experience-section,
    .contact-section {
        padding: 60px 0;
    }
    
    .section-header {
        flex-direction: column;
        gap: 20px;
    }
}