/**
 * index.php 页面专用样式
 * 从内联样式提取而来
 */

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

/* 统一色彩系统 - 活力渐变风格 */
:root {
    /* 主色调 - 深蓝/黑色系（专业、现代） */
    --primary-900: #0a0a0a;
    --primary-800: #1a1a2e;
    --primary-700: #16213e;
    --primary-600: #0f3460;
    --primary-500: #533483;
    --primary-400: #e94560;
    --primary-300: #ff6b9d;
    --primary-200: #ffc796;
    --primary-100: #fff5f0;
    
    /* 强调色系 */
    --accent-red: #e94560;
    --accent-pink: #ff6b9d;
    --accent-orange: #ff8c42;
    --accent-blue: #4a90e2;
    
    /* 中性色 */
    --black: #0a0a0a;
    --white: #ffffff;
    --gray-900: #1a1a2e;
    --gray-800: #2d2d44;
    --gray-700: #4a4a6a;
    --gray-600: #6b6b8a;
    --gray-500: #9ca3af;
    --gray-400: #d1d5db;
    --gray-300: #e5e7eb;
    --gray-200: #f3f4f6;
    --gray-100: #f9fafb;
    --gray-50: #fafafa;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 40px);
    max-width: 1200px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06), 0 1px 0 rgba(255, 255, 255, 0.8) inset;
    border-radius: 24px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    z-index: 1000;
    padding: 18px 0;
    transition: box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.navbar::after {
    display: none;
}

.navbar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(233, 69, 96, 0.2) 20%, 
        rgba(255, 107, 157, 0.3) 50%, 
        rgba(233, 69, 96, 0.2) 80%, 
        transparent 100%
    );
    opacity: 0.6;
}

.nav-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    position: relative;
    z-index: 1;
}

.nav-logo {
    font-size: 26px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-900) 0%, var(--accent-red) 50%, var(--accent-pink) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    letter-spacing: -0.5px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-logo::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-red), var(--accent-pink));
    transition: width 0.3s ease;
    border-radius: 2px;
}

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

.nav-logo:hover {
    transform: translateY(-1px);
    filter: brightness(1.1);
}

/* 桌面端显示导航链接 */
.nav-links {
    display: flex;
    gap: 40px;
    align-items: center;
}

.nav-link {
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    padding: 6px 0;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-red), var(--accent-pink));
    border-radius: 2px;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link:hover {
    color: var(--accent-red);
    transform: translateY(-1px);
}

.nav-link:hover::before {
    width: 100%;
}

.nav-buttons {
    display: flex;
    gap: 12px;
    align-items: center;
}

/* 用户菜单 */
.user-menu-wrapper {
    position: relative;
}

.user-menu-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.user-menu-toggle:hover {
    transform: scale(1.05);
}

.user-menu-toggle:active {
    transform: scale(0.95);
}

.user-menu-toggle.active {
    transform: scale(0.95);
}

.user-menu-toggle.active .user-avatar,
.user-menu-toggle.active .user-avatar-placeholder {
    box-shadow: 0 4px 12px rgba(233, 69, 96, 0.3), 0 2px 4px rgba(233, 69, 96, 0.2);
    border-color: rgba(233, 69, 96, 0.3);
}

.user-avatar,
.user-avatar-placeholder {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.user-avatar-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-red) 0%, var(--accent-pink) 50%, var(--accent-orange) 100%);
    color: white;
    font-weight: 600;
    font-size: 16px;
}

.user-menu-dropdown {
    position: fixed;
    top: 72px;
    right: 20px;
    min-width: 280px;
    max-width: calc(100% - 40px);
    background: #ffffff !important;
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12), 0 2px 8px rgba(0, 0, 0, 0.08) !important;
    border-radius: 16px;
    border: 1px solid rgba(0, 0, 0, 0.1) !important;
    z-index: 1002 !important;
    flex-direction: column;
    display: none;
    pointer-events: none;
    overflow: hidden;
}

.user-menu-dropdown.active {
    display: flex !important;
    pointer-events: auto !important;
}

.user-menu-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: linear-gradient(135deg, rgba(233, 69, 96, 0.05) 0%, rgba(255, 107, 157, 0.05) 50%, rgba(255, 140, 66, 0.05) 100%);
}

.user-menu-avatar {
    flex-shrink: 0;
}

.user-menu-avatar img,
.user-menu-avatar .user-avatar-placeholder {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(233, 69, 96, 0.2);
}

.user-menu-info {
    flex: 1;
    min-width: 0;
}

.user-menu-name {
    font-weight: 600;
    font-size: 15px;
    color: var(--gray-900);
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-menu-email {
    font-size: 13px;
    color: var(--gray-600);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-menu-divider {
    height: 1px;
    background: var(--gray-200);
    margin: 8px 0;
}

.user-menu-item {
    display: flex !important;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    color: #2d2d44 !important;
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    background: transparent !important;
    width: 100%;
    text-align: left;
    cursor: pointer;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    position: relative;
    overflow: visible;
    opacity: 1 !important;
    visibility: visible !important;
}

.user-menu-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--accent-red), var(--accent-pink));
    transform: scaleY(0);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 0 2px 2px 0;
}

.user-menu-item:last-child {
    border-bottom: none;
}

.user-menu-item:hover,
.user-menu-item:active {
    background: linear-gradient(90deg, rgba(233, 69, 96, 0.06), transparent) !important;
    color: var(--accent-red) !important;
    padding-left: 32px;
    transform: translateX(4px);
}

.user-menu-item:hover::before,
.user-menu-item:active::before {
    transform: scaleY(1);
}

.user-menu-item svg {
    flex-shrink: 0;
    stroke: currentColor;
}

.user-menu-item:last-child {
    color: #dc2626 !important;
}

.user-menu-item:last-child:hover {
    background: linear-gradient(90deg, rgba(220, 38, 38, 0.08), transparent) !important;
    color: #b91c1c !important;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .user-menu-dropdown {
        top: 62px;
        right: 10px;
        left: 10px;
        min-width: auto;
        max-width: none;
    }
    
    .user-avatar,
    .user-avatar-placeholder {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }
    
    .user-menu-header {
        padding: 16px;
    }
    
    .user-menu-avatar img,
    .user-menu-avatar .user-avatar-placeholder {
        width: 44px;
        height: 44px;
    }
    
    .user-menu-name {
        font-size: 15px;
    }
    
    .user-menu-email {
        font-size: 13px;
    }
    
    .user-menu-item {
        padding: 16px 24px;
        font-size: 15px;
    }
}

.btn {
    padding: 10px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-outline {
    background: rgba(255, 255, 255, 0.8);
    color: var(--primary-900);
    border: 1.5px solid rgba(0, 0, 0, 0.08);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.btn-outline:hover {
    background: var(--primary-900);
    color: white;
    border-color: var(--primary-900);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(10, 10, 10, 0.15);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-red) 0%, var(--accent-pink) 50%, var(--accent-orange) 100%);
    color: white;
    box-shadow: 0 4px 16px rgba(233, 69, 96, 0.35), 0 2px 4px rgba(233, 69, 96, 0.2);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-pink) 0%, var(--accent-orange) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(233, 69, 96, 0.45), 0 4px 8px rgba(233, 69, 96, 0.25);
}

/* Hero区域 */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, 
        #fff5f0 0%, 
        #ffe8e0 25%, 
        #ffd6cc 50%, 
        #ffc796 75%, 
        #fff5f0 100%
    );
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(233, 69, 96, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 140, 66, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(255, 107, 157, 0.08) 0%, transparent 60%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 24px 60px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 1200px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 64px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--accent-red) 0%, var(--accent-pink) 50%, var(--accent-orange) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 32px;
    line-height: 1.2;
    letter-spacing: -0.02em;
    animation: fadeInUp 0.8s ease;
    filter: drop-shadow(0 2px 4px rgba(255, 255, 255, 0.8));
}

.hero-subtitle {
    font-size: 20px;
    color: var(--gray-700);
    margin-bottom: 48px;
    font-weight: 400;
    line-height: 1.8;
    opacity: 0.9;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-subtitle-line {
    display: block;
    margin-bottom: 8px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.4s both;
    max-width: 600px;
    margin: 0 auto;
}

.hero-url-input {
    flex: 1;
    min-width: 280px;
    padding: 16px 20px;
    border: 1px solid var(--gray-300);
    border-radius: 12px;
    font-size: 18px;
    color: var(--primary-900);
    background: white;
    display: flex;
    align-items: center;
    box-shadow: 0 2px 8px rgba(10, 10, 10, 0.08);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-url-input:focus-within {
    border-color: var(--accent-pink);
    box-shadow: 0 4px 12px rgba(233, 69, 96, 0.15);
}

.hero-url-input .url-prefix {
    color: var(--primary-900);
    font-weight: 600;
    margin-right: 4px;
    flex-shrink: 0;
    white-space: nowrap;
}

.hero-url-input input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 18px;
    color: var(--gray-600);
    background: transparent;
}

.hero-url-input input::placeholder {
    color: var(--gray-400);
}

.hero-cta-btn {
    padding: 16px 32px;
    background: linear-gradient(135deg, var(--accent-red) 0%, var(--accent-pink) 50%, var(--accent-orange) 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 20px rgba(233, 69, 96, 0.4);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
}

.hero-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(233, 69, 96, 0.5);
    background: linear-gradient(135deg, var(--accent-pink) 0%, var(--accent-orange) 100%);
}

.hero-cta-btn:focus {
    outline: 2px solid var(--primary-400);
    outline-offset: 2px;
}

.hero-cta-btn svg {
    width: 20px;
    height: 20px;
}

/* Hero区域示例卡片 */
.hero-examples {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    justify-items: center;
    align-items: flex-start;
    margin-top: 60px;
    animation: fadeInUp 0.8s ease 0.6s both;
    width: 100%;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 24px;
    box-sizing: border-box;
}

.hero-example-card {
    width: 100%;
    max-width: 100%;
    border-radius: 0;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(12, 74, 110, 0.15);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateY(0);
    box-sizing: border-box;
}

.hero-example-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(12, 74, 110, 0.25);
}

.example-card-wrapper {
    min-height: 650px;
    height: 650px;
    padding: 40px 20px;
    border-radius: 0;
    display: flex;
    flex-direction: column;
}

.example-card-container {
    max-width: 680px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0;
    flex: 1;
    justify-content: space-between;
}

.example-card-header {
    text-align: center;
    margin-bottom: 24px;
}

.example-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    margin: 0 auto 20px;
    border: 4px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    background: white;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.example-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.example-identity {
    color: white;
}

.example-name {
    font-size: 24px;
    font-weight: 700;
    color: white;
    margin-bottom: 8px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.example-title {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.95);
    font-weight: 400;
    margin-bottom: 8px;
}

.example-url {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 400;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.example-url svg {
    width: 14px;
    height: 14px;
}

.example-contacts {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 24px;
    padding: 0 20px;
}

.example-contact-item {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: default;
    transition: all 0.2s ease;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.example-contact-item:hover {
    background: rgba(255, 255, 255, 0.35);
    transform: scale(1.1);
}

.example-socials {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 0 20px;
    flex: 1;
    justify-content: flex-start;
}

.example-social-btn {
    padding: 16px 20px;
    border-radius: 16px;
    color: white;
    font-size: 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: all 0.2s ease;
    cursor: default;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border: none;
}

.example-social-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
}

.example-social-btn svg {
    flex-shrink: 0;
}

/* 示例商品展示 */
.example-products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    padding: 0 20px;
    flex: 1;
    align-content: start;
}

.example-product-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    overflow: hidden;
    cursor: default;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.example-product-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.example-product-image {
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
    background: #f5f5f5;
    position: relative;
}

.example-product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.example-product-info {
    padding: 12px;
}

.example-product-title {
    font-size: 13px;
    font-weight: 600;
    color: #333;
    margin: 0 0 6px 0;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.example-product-price {
    font-size: 16px;
    font-weight: 700;
    color: #e53e3e;
    margin-bottom: 4px;
}

.example-product-category {
    font-size: 11px;
    color: #666;
    margin-top: 2px;
}

/* 功能特色 */
.features {
    padding: 80px 24px;
    background: var(--white);
}

.features-container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 42px;
    font-weight: 900;
    color: var(--primary-900);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--gray-600);
    margin-bottom: 60px;
    font-weight: 400;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

/* 移动端动态网格布局 */
@media (max-width: 768px) {
    .features-grid.grid-2 {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .features-grid.grid-4 {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .features-grid.grid-6 {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .features-grid.grid-9 {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }

    .features-grid.grid-12 {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }

    .scenarios-grid.grid-2 {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .scenarios-grid.grid-4 {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .scenarios-grid.grid-6 {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .scenarios-grid.grid-9 {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }

    .scenarios-grid.grid-12 {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }

    /* 移动端卡片样式优化 */
    .features-grid.grid-2 .feature-card,
    .features-grid.grid-4 .feature-card,
    .features-grid.grid-6 .feature-card,
    .scenarios-grid.grid-2 .scenario-card,
    .scenarios-grid.grid-4 .scenario-card,
    .scenarios-grid.grid-6 .scenario-card {
        padding: 20px 16px;
    }

    .features-grid.grid-9 .feature-card,
    .features-grid.grid-12 .feature-card,
    .scenarios-grid.grid-9 .scenario-card,
    .scenarios-grid.grid-12 .scenario-card {
        padding: 16px 12px;
    }

    .features-grid.grid-9 .feature-icon,
    .features-grid.grid-12 .feature-icon,
    .scenarios-grid.grid-9 .scenario-icon,
    .scenarios-grid.grid-12 .scenario-icon {
        width: 48px;
        height: 48px;
        font-size: 24px;
        margin-bottom: 12px;
    }

    .features-grid.grid-9 .feature-title,
    .features-grid.grid-12 .feature-title,
    .scenarios-grid.grid-9 .scenario-title,
    .scenarios-grid.grid-12 .scenario-title {
        font-size: 16px;
        margin-bottom: 8px;
    }

    .features-grid.grid-9 .feature-desc,
    .features-grid.grid-12 .feature-desc,
    .scenarios-grid.grid-9 .scenario-desc,
    .scenarios-grid.grid-12 .scenario-desc {
        font-size: 12px;
        line-height: 1.6;
    }

    .scenarios-grid.grid-9 .scenario-features,
    .scenarios-grid.grid-12 .scenario-features {
        margin-top: 12px;
    }

    .scenarios-grid.grid-9 .scenario-features li,
    .scenarios-grid.grid-12 .scenario-features li {
        font-size: 11px;
        padding: 4px 0;
    }
}

.feature-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    border: 1px solid var(--gray-200);
    box-shadow: 0 2px 12px rgba(10, 10, 10, 0.06);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(233, 69, 96, 0.15);
    border-color: var(--accent-pink);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--accent-red) 0%, var(--accent-pink) 50%, var(--accent-orange) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin-bottom: 24px;
    box-shadow: 0 4px 15px rgba(233, 69, 96, 0.3);
}

/* 功能图标个性化配色 - 根据功能特点设置不同颜色 */
.feature-card:nth-child(1) .feature-icon {
    /* 多重安全保护 - 深蓝紫色系（安全、专业） */
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a78bfa 100%);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.feature-card:nth-child(2) .feature-icon {
    /* 全平台完美适配 - 青蓝色系（科技、现代） */
    background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 50%, #6366f1 100%);
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
}

.feature-card:nth-child(3) .feature-icon {
    /* 精准数据洞察 - 绿色系（数据、增长） */
    background: linear-gradient(135deg, #10b981 0%, #059669 50%, #047857 100%);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.feature-card:nth-child(4) .feature-icon {
    /* 全平台社交整合 - 粉紫色系（社交、连接） */
    background: linear-gradient(135deg, #ec4899 0%, #f472b6 50%, #fb7185 100%);
    box-shadow: 0 4px 15px rgba(236, 72, 153, 0.3);
}

.feature-card:nth-child(5) .feature-icon {
    /* 极致个性化定制 - 橙红色系（创意、个性） */
    background: linear-gradient(135deg, #f97316 0%, #fb923c 50%, #fbbf24 100%);
    box-shadow: 0 4px 15px rgba(249, 115, 22, 0.3);
}

.feature-card:nth-child(6) .feature-icon {
    /* 一键快速分享 - 蓝绿色系（快速、高效） */
    background: linear-gradient(135deg, #14b8a6 0%, #06b6d4 50%, #3b82f6 100%);
    box-shadow: 0 4px 15px rgba(20, 184, 166, 0.3);
}

.feature-card:nth-child(7) .feature-icon {
    /* 商品带货功能 - 红色系（商业、销售） */
    background: linear-gradient(135deg, #ef4444 0%, #f87171 50%, #fb7185 100%);
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

.feature-card:nth-child(8) .feature-icon {
    /* 视频自我介绍 - 紫色系（媒体、视频） */
    background: linear-gradient(135deg, #8b5cf6 0%, #a78bfa 50%, #c084fc 100%);
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.feature-card:nth-child(9) .feature-icon {
    /* 多名片管理 - 靛蓝色系（管理、组织） */
    background: linear-gradient(135deg, #4f46e5 0%, #6366f1 50%, #818cf8 100%);
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.3);
}

.feature-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-900);
    margin-bottom: 12px;
}

.feature-desc {
    color: var(--gray-600);
    line-height: 1.7;
}

/* 应用场景 */
.scenarios {
    padding: 80px 24px;
    background: var(--white);
}

.scenarios-container {
    max-width: 1200px;
    margin: 0 auto;
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.scenario-card {
    background: white;
    padding: 40px;
    border-radius: 24px;
    box-shadow: 0 2px 12px rgba(10, 10, 10, 0.06);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

.scenario-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-pink) 100%);
    transform: scaleX(0);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.scenario-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(74, 144, 226, 0.15);
    border-color: var(--accent-blue);
}

.scenario-card:hover::before {
    transform: scaleX(1);
}

.scenario-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-pink) 100%);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    margin-bottom: 24px;
    box-shadow: 0 8px 20px rgba(74, 144, 226, 0.3);
}

/* 场景图标个性化配色 - 根据场景特点设置不同颜色 */
.scenario-card:nth-child(1) .scenario-icon {
    /* 探店博主 - 橙黄色系（美食、温暖） */
    background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 50%, #fcd34d 100%);
    box-shadow: 0 8px 20px rgba(245, 158, 11, 0.3);
}

.scenario-card:nth-child(2) .scenario-icon {
    /* 返利商品推广 - 金色系（金钱、收益） */
    background: linear-gradient(135deg, #eab308 0%, #facc15 50%, #fde047 100%);
    box-shadow: 0 8px 20px rgba(234, 179, 8, 0.3);
}

.scenario-card:nth-child(3) .scenario-icon {
    /* 商务人士 - 深蓝色系（专业、商务） */
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 50%, #60a5fa 100%);
    box-shadow: 0 8px 20px rgba(30, 64, 175, 0.3);
}

.scenario-card:nth-child(4) .scenario-icon {
    /* 教育培训 - 青色系（知识、成长） */
    background: linear-gradient(135deg, #0891b2 0%, #06b6d4 50%, #22d3ee 100%);
    box-shadow: 0 8px 20px rgba(8, 145, 178, 0.3);
}

.scenario-card:nth-child(5) .scenario-icon {
    /* 医疗健康 - 绿色系（健康、生命） */
    background: linear-gradient(135deg, #059669 0%, #10b981 50%, #34d399 100%);
    box-shadow: 0 8px 20px rgba(5, 150, 105, 0.3);
}

.scenario-card:nth-child(6) .scenario-icon {
    /* 创意设计 - 粉紫色系（创意、艺术） */
    background: linear-gradient(135deg, #c026d3 0%, #d946ef 50%, #e879f9 100%);
    box-shadow: 0 8px 20px rgba(192, 38, 211, 0.3);
}

.scenario-card:nth-child(7) .scenario-icon {
    /* 健身教练 - 红色系（活力、运动） */
    background: linear-gradient(135deg, #dc2626 0%, #ef4444 50%, #f87171 100%);
    box-shadow: 0 8px 20px rgba(220, 38, 38, 0.3);
}

.scenario-card:nth-child(8) .scenario-icon {
    /* 房产中介 - 棕色系（房产、稳重） */
    background: linear-gradient(135deg, #92400e 0%, #b45309 50%, #d97706 100%);
    box-shadow: 0 8px 20px rgba(146, 64, 14, 0.3);
}

.scenario-card:nth-child(9) .scenario-icon {
    /* 汽车销售 - 银灰色系（汽车、现代） */
    background: linear-gradient(135deg, #475569 0%, #64748b 50%, #94a3b8 100%);
    box-shadow: 0 8px 20px rgba(71, 85, 105, 0.3);
}

.scenario-card:nth-child(10) .scenario-icon {
    /* 美妆护肤 - 粉红色系（美丽、时尚） */
    background: linear-gradient(135deg, #ec4899 0%, #f472b6 50%, #fbcfe8 100%);
    box-shadow: 0 8px 20px rgba(236, 72, 153, 0.3);
}

.scenario-card:nth-child(11) .scenario-icon {
    /* 知识付费 - 紫色系（知识、智慧） */
    background: linear-gradient(135deg, #7c3aed 0%, #8b5cf6 50%, #a78bfa 100%);
    box-shadow: 0 8px 20px rgba(124, 58, 237, 0.3);
}

.scenario-card:nth-child(12) .scenario-icon {
    /* 自媒体运营 - 蓝紫色系（媒体、传播） */
    background: linear-gradient(135deg, #4f46e5 0%, #6366f1 50%, #818cf8 100%);
    box-shadow: 0 8px 20px rgba(79, 70, 229, 0.3);
}

.scenario-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-900);
    margin-bottom: 16px;
}

.scenario-desc {
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 24px;
    font-size: 15px;
}

.scenario-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

/* 功能图标动画 */
.feature-icon-animated {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease;
}

.feature-card:hover .feature-icon-animated {
    transform: scale(1.15) rotate(5deg);
    box-shadow: 0 8px 25px rgba(233, 69, 96, 0.4);
}

/* 增强的卡片悬停效果 - 光效扫过 */
.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(233, 69, 96, 0.1), transparent);
    transition: left 0.5s ease;
    pointer-events: none;
    z-index: 0;
}

.feature-card:hover::before {
    left: 100%;
}

/* 场景卡片增强 */
.scenario-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.05) 0%, rgba(255, 107, 157, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    border-radius: 24px;
}

.scenario-card:hover::after {
    opacity: 1;
}

.scenario-features li {
    padding: 8px 0;
    padding-left: 24px;
    color: var(--gray-600);
    position: relative;
    font-size: 14px;
    line-height: 1.6;
}

.scenario-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 8px;
    color: var(--accent-red);
    font-weight: 700;
    font-size: 16px;
    line-height: 1;
}

/* 常见问题 */
.faq-section {
    background: var(--white);
    padding: 60px 24px;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-900);
    text-align: center;
    margin-bottom: 40px;
}

.faq-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.faq-item {
    border-bottom: 1px solid var(--gray-200);
    padding: 0;
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0;
    cursor: pointer;
    user-select: none;
    transition: color 0.2s ease;
}

.faq-question:hover {
    color: var(--accent-red);
}

.faq-question-text {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-900);
    flex: 1;
    margin: 0;
    padding-right: 20px;
}

.faq-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--gray-400);
    transition: transform 0.3s ease, color 0.2s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(90deg);
    color: var(--accent-red);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding-bottom: 24px;
}

.faq-answer-text {
    font-size: 16px;
    line-height: 1.8;
    color: var(--gray-700);
    margin: 0;
    padding-top: 8px;
}

/* 关于我们 */
.about-section {
    padding: 80px 24px;
    background: linear-gradient(135deg, 
        #f9fafb 0%, 
        #f3f4f6 50%, 
        #f9fafb 100%
    );
}

.about-container {
    max-width: 1200px;
    margin: 0 auto;
}

.about-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-top: 60px;
}

.about-card {
    background: white;
    padding: 40px;
    border-radius: 24px;
    box-shadow: 0 2px 12px rgba(10, 10, 10, 0.06);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--accent-red) 0%, var(--accent-pink) 100%);
    transform: scaleX(0);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.about-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(233, 69, 96, 0.15);
    border-color: var(--accent-pink);
}

.about-card:hover::before {
    transform: scaleX(1);
}

.about-card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.about-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--accent-red) 0%, var(--accent-pink) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: 0 4px 15px rgba(233, 69, 96, 0.3);
}

.about-card-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-900);
    margin: 0;
}

.about-card-body {
    color: var(--gray-600);
    line-height: 1.8;
}

/* 创始人留言 */
.founder-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.founder-text {
    font-size: 16px;
    line-height: 1.8;
    color: var(--gray-700);
    margin: 0;
}

/* 联系方式 */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.contact-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-value {
    font-size: 16px;
    color: var(--primary-900);
    font-weight: 500;
}

.contact-value a {
    color: var(--accent-red);
    text-decoration: none;
    transition: color 0.2s ease;
}

.contact-value a:hover {
    color: var(--accent-pink);
    text-decoration: underline;
}

/* 加入交流群 */
.group-desc {
    font-size: 16px;
    line-height: 1.8;
    color: var(--gray-700);
    margin-bottom: 32px;
}

.group-options {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.group-option {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--gray-50);
    border-radius: 16px;
    transition: all 0.3s ease;
    border: 1px solid var(--gray-200);
}

.group-option:hover {
    background: white;
    box-shadow: 0 4px 12px rgba(233, 69, 96, 0.1);
    border-color: var(--accent-pink);
    transform: translateX(4px);
}

.group-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--accent-red) 0%, var(--accent-pink) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.group-info {
    flex: 1;
}

.group-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-900);
    margin-bottom: 4px;
}

.group-detail {
    font-size: 14px;
    color: var(--gray-600);
}

.group-action {
    flex-shrink: 0;
}

.group-qrcode-placeholder {
    width: 80px;
    height: 80px;
    background: white;
    border: 2px dashed var(--gray-300);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: var(--gray-500);
    text-align: center;
    padding: 8px;
}

.group-btn {
    padding: 10px 20px;
    background: linear-gradient(135deg, var(--accent-red) 0%, var(--accent-pink) 100%);
    color: white;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    display: inline-block;
    box-shadow: 0 2px 8px rgba(233, 69, 96, 0.3);
}

.group-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(233, 69, 96, 0.4);
    background: linear-gradient(135deg, var(--accent-pink) 0%, var(--accent-orange) 100%);
}

/* 页脚 */
.footer {
    background: #2d3748;
    color: white;
    padding: 60px 24px 30px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    line-height: 2;
    display: block;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* 动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 查看更多按钮 */
.expand-btn-wrapper {
    position: relative;
    text-align: center;
    margin: 60px auto 0;
    max-width: 400px;
}

.expand-btn-wrapper::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(10, 10, 10, 0.2), transparent);
    transform: translateY(-50%);
}

.expand-btn {
    position: relative;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    background: rgba(255, 255, 255, 0.95);
    color: var(--gray-700);
    border: 1px solid rgba(10, 10, 10, 0.15);
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(10, 10, 10, 0.08);
    backdrop-filter: blur(10px);
}

.expand-btn:hover {
    background: rgba(255, 255, 255, 1);
    border-color: var(--accent-pink);
    box-shadow: 0 4px 16px rgba(233, 69, 96, 0.15);
    transform: translateY(-2px);
    color: var(--accent-red);
}

.expand-btn span {
    color: var(--gray-700);
    font-weight: 600;
}

.expand-btn svg {
    width: 20px;
    height: 20px;
    color: var(--gray-600);
    transition: transform 0.3s ease;
}

.expand-btn.expanded svg {
    transform: rotate(180deg);
}

.expand-btn:hover svg {
    color: var(--accent-red);
}

/* 隐藏的内容 - 桌面端和移动端都默认隐藏 */
.features-grid .collapsible-content {
    display: none !important;
}

.features-grid.expanded .collapsible-content {
    display: block !important;
}

.help-steps .collapsible-content {
    display: none !important;
}

.help-steps.expanded .collapsible-content {
    display: flex !important;
}

.scenarios-grid .collapsible-content {
    display: none !important;
}

.scenarios-grid.expanded .collapsible-content {
    display: block !important;
}

/* 汉堡菜单按钮 - 美观设计（移动端） */
.hamburger-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    width: 24px;
    height: 38px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0 10px;
    z-index: 1001;
    position: relative;
    margin-left: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 8px;
    align-items: center;
    box-sizing: border-box;
    gap: 5px;
}

.hamburger-menu-toggle::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(233, 69, 96, 0.05);
    border-radius: 8px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.hamburger-menu-toggle:hover::before {
    opacity: 1;
}

.hamburger-menu-toggle span {
    width: 100%;
    height: 2.5px;
    background: var(--primary-900);
    border-radius: 3px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1), 
                0 0 0 0 rgba(233, 69, 96, 0);
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
    display: block;
}

.hamburger-menu-toggle span::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(233, 69, 96, 0.3), transparent);
    transition: left 0.5s ease;
}

.hamburger-menu-toggle:hover span {
    background: var(--primary-900);
    box-shadow: 0 2px 4px rgba(233, 69, 96, 0.15),
                0 0 8px rgba(233, 69, 96, 0.1);
    transform: scaleX(1.08);
}

.hamburger-menu-toggle:hover span::after {
    left: 100%;
}

.hamburger-menu-toggle.active span {
    background: var(--primary-900);
}

.hamburger-menu-toggle.active {
    gap: 0;
}

.hamburger-menu-toggle.active span:nth-child(1) {
    transform: translateY(7.5px) rotate(45deg);
    background: var(--primary-900);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}

.hamburger-menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scale(0);
    background: var(--primary-900);
}

.hamburger-menu-toggle.active span:nth-child(3) {
    transform: translateY(-7.5px) rotate(-45deg);
    background: var(--primary-900);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}

.hamburger-menu-toggle.active:hover span {
    background: var(--primary-900);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

/* 汉堡菜单下拉面板（移动端） */
.hamburger-nav-menu {
    position: fixed;
    top: 72px;
    left: 20px;
    right: 20px;
    background: #ffffff !important;
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12), 0 2px 8px rgba(0, 0, 0, 0.08) !important;
    border-radius: 16px;
    border: 1px solid rgba(0, 0, 0, 0.1) !important;
    z-index: 1002 !important;
    flex-direction: column;
    display: none;
    pointer-events: none;
}

.hamburger-nav-menu.active {
    display: flex !important;
    min-height: auto;
    pointer-events: auto !important;
}

.hamburger-nav-link {
    display: block !important;
    padding: 20px 32px;
    color: #2d2d44 !important;
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: visible;
    opacity: 1 !important;
    visibility: visible !important;
    background: transparent !important;
}

.hamburger-nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--accent-red), var(--accent-pink));
    transform: scaleY(0);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 0 2px 2px 0;
}

.hamburger-nav-link:last-child {
    border-bottom: none;
}

.hamburger-nav-link:hover,
.hamburger-nav-link:active {
    background: linear-gradient(90deg, rgba(233, 69, 96, 0.06), transparent);
    color: var(--accent-red);
    padding-left: 40px;
    transform: translateX(4px);
}

.hamburger-nav-link:hover::before,
.hamburger-nav-link:active::before {
    transform: scaleY(1);
}

/* 响应式 - 移动端优化 */
@media (max-width: 768px) {
    body {
        font-size: 15px;
    }

    .navbar {
        padding: 12px 0;
        top: 10px;
        width: calc(100% - 20px);
        border-radius: 20px;
    }

    .navbar::after {
        display: none;
    }

    .nav-container {
        padding: 0 16px;
        flex-wrap: nowrap;
        gap: 8px;
    }
    
    .nav-logo {
        font-size: 18px;
        white-space: nowrap;
    }

    .nav-links {
        display: none;
    }

    .nav-buttons {
        gap: 8px;
        flex-wrap: nowrap;
        flex-shrink: 0;
        display: flex;
        align-items: center;
    }
    
    /* 移动端显示汉堡菜单 */
    .hamburger-menu-toggle {
        display: flex;
        width: 30px;
        height: 22px;
        margin-left: 8px;
        padding: 5px 3px;
    }
    
    .hamburger-menu-toggle span {
        height: 2.5px;
    }
    
    .hamburger-menu-toggle.active span:nth-child(1) {
        transform: translateY(9.75px) rotate(45deg);
    }
    
    .hamburger-menu-toggle.active span:nth-child(3) {
        transform: translateY(-9.75px) rotate(-45deg);
    }
    
    /* 移动端导航菜单 */
    .hamburger-nav-menu {
        top: 70px !important;
        left: 10px !important;
        right: 10px !important;
        border-radius: 16px;
        background: #ffffff !important;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15) !important;
        border: 1px solid rgba(0, 0, 0, 0.1) !important;
        z-index: 1002 !important;
    }
    
    .hamburger-nav-menu.active {
        display: flex !important;
        pointer-events: auto !important;
    }
    
    .hamburger-nav-link {
        color: #2d2d44 !important;
    }
    
    .hamburger-nav-link {
        padding: 16px 24px;
        font-size: 15px;
    }
    
    .hamburger-nav-link:hover,
    .hamburger-nav-link:active {
        padding-left: 32px;
    }
    
    .mobile-menu-toggle span {
        width: 24px;
        height: 2px;
        background: var(--primary-900);
        border-radius: 2px;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        transform-origin: center;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
        transform: scale(0);
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    /* 移动端导航菜单 */
    .mobile-nav-menu {
        position: fixed;
        top: 56px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        border-top: 1px solid rgba(10, 10, 10, 0.06);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 999;
        display: flex;
        flex-direction: column;
    }
    
    .mobile-nav-menu.active {
        max-height: 300px;
    }
    
    .mobile-nav-link {
        display: block;
        padding: 16px 24px;
        color: var(--gray-700);
        text-decoration: none;
        font-weight: 500;
        font-size: 16px;
        border-bottom: 1px solid rgba(10, 10, 10, 0.06);
        transition: all 0.2s ease;
    }
    
    .mobile-nav-link:last-child {
        border-bottom: none;
    }
    
    .mobile-nav-link:hover,
    .mobile-nav-link:active {
        background: rgba(233, 69, 96, 0.05);
        color: var(--accent-red);
    }

    .btn {
        padding: 6px 10px;
        font-size: 12px;
        white-space: nowrap;
        min-width: auto;
        flex-shrink: 0;
    }

    .btn-outline {
        padding: 6px 10px;
    }

    .btn-primary {
        padding: 6px 10px;
    }
    
    /* 确保汉堡菜单按钮有足够空间 */
    .mobile-menu-toggle {
        flex-shrink: 0;
    }

    .hero {
        min-height: 90vh;
        padding: 100px 16px 50px;
        box-sizing: border-box;
        overflow-x: hidden;
    }

    .hero-title {
        font-size: 40px;
        line-height: 1.2;
        margin-bottom: 20px;
        letter-spacing: -0.02em;
    }

    .hero-subtitle {
        font-size: 16px;
        line-height: 1.6;
        margin-bottom: 32px;
    }

    .hero-content {
        padding: 0;
        box-sizing: border-box;
        width: 100%;
        max-width: 100%;
    }

    .hero-cta {
        flex-direction: column;
        gap: 16px;
        width: 100%;
        max-width: 100%;
        padding: 0;
        box-sizing: border-box;
        margin: 0 auto;
    }
    
    .hero-url-input {
        width: 100%;
        min-width: 0;
        max-width: 100%;
        padding: 18px 20px;
        font-size: 16px;
        border-radius: 14px;
        box-sizing: border-box;
        -webkit-appearance: none;
        appearance: none;
        margin: 0;
        overflow: hidden;
    }
    
    .hero-url-input .url-prefix {
        font-size: 14px;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 40%;
    }
    
    .hero-url-input input {
        width: 100%;
        max-width: 100%;
        min-width: 0;
        box-sizing: border-box;
        overflow: hidden;
        text-overflow: ellipsis;
        flex: 1;
    }
    
    .hero-cta-btn {
        width: 100%;
        max-width: 100%;
        padding: 18px 32px;
        font-size: 17px;
        border-radius: 14px;
        min-height: 56px;
        justify-content: center;
        box-sizing: border-box;
        -webkit-appearance: none;
        appearance: none;
        margin: 0;
    }

    .hero-examples {
        margin-top: 50px;
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
        padding: 0;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    .hero-example-card {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        overflow: hidden;
    }

    .example-card-wrapper {
        min-height: 550px;
        height: 550px;
        padding: 32px 16px;
    }

    .example-card-container {
        gap: 0;
    }

    .example-card-header {
        margin-bottom: 20px;
    }

    .example-avatar {
        width: 80px;
        height: 80px;
        margin-bottom: 16px;
    }

    .example-avatar img {
        width: 100%;
        height: 100%;
    }

    .example-name {
        font-size: 20px;
    }

    .example-title {
        font-size: 14px;
    }

    .example-url {
        font-size: 12px;
    }

    .example-contacts {
        gap: 12px;
        margin-bottom: 20px;
        padding: 0 16px;
    }

    .example-contact-item {
        width: 40px;
        height: 40px;
    }

    .example-socials {
        gap: 10px;
        padding: 0 16px;
    }

    .example-social-btn {
        padding: 14px 18px;
        font-size: 14px;
        gap: 10px;
    }

    .example-products-grid {
        gap: 10px;
        padding: 0 16px;
    }

    .example-product-info {
        padding: 10px;
    }

    .example-product-title {
        font-size: 12px;
        margin-bottom: 4px;
    }

    .example-product-price {
        font-size: 14px;
    }

    .example-product-category {
        font-size: 10px;
    }

    .example-card-links {
        padding: 16px 20px 20px;
        gap: 10px;
    }

    .example-link {
        padding: 12px 16px;
        font-size: 14px;
    }

    .features,
    .scenarios {
        padding: 60px 16px;
    }

    .faq-section {
        padding: 50px 16px;
    }

    .section-title {
        font-size: 32px;
        margin-bottom: 12px;
        line-height: 1.3;
        letter-spacing: -0.02em;
    }

    .section-subtitle {
        font-size: 15px;
        margin-bottom: 40px;
        line-height: 1.6;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    /* 移动端动态网格布局 */
    .features-grid.grid-2,
    .scenarios-grid.grid-2 {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .features-grid.grid-4,
    .scenarios-grid.grid-4 {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .features-grid.grid-6,
    .scenarios-grid.grid-6 {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .features-grid.grid-9,
    .scenarios-grid.grid-9 {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }

    .features-grid.grid-12,
    .scenarios-grid.grid-12 {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }

    /* 移动端卡片样式优化 */
    .features-grid.grid-2 .feature-card,
    .features-grid.grid-4 .feature-card,
    .features-grid.grid-6 .feature-card,
    .scenarios-grid.grid-2 .scenario-card,
    .scenarios-grid.grid-4 .scenario-card,
    .scenarios-grid.grid-6 .scenario-card {
        padding: 20px 16px;
    }

    .features-grid.grid-9 .feature-card,
    .features-grid.grid-12 .feature-card,
    .scenarios-grid.grid-9 .scenario-card,
    .scenarios-grid.grid-12 .scenario-card {
        padding: 16px 12px;
    }

    .features-grid.grid-9 .feature-icon,
    .features-grid.grid-12 .feature-icon,
    .scenarios-grid.grid-9 .scenario-icon,
    .scenarios-grid.grid-12 .scenario-icon {
        width: 48px;
        height: 48px;
        font-size: 24px;
        margin-bottom: 12px;
    }

    .features-grid.grid-9 .feature-title,
    .features-grid.grid-12 .feature-title,
    .scenarios-grid.grid-9 .scenario-title,
    .scenarios-grid.grid-12 .scenario-title {
        font-size: 16px;
        margin-bottom: 8px;
    }

    .features-grid.grid-9 .feature-desc,
    .features-grid.grid-12 .feature-desc,
    .scenarios-grid.grid-9 .scenario-desc,
    .scenarios-grid.grid-12 .scenario-desc {
        font-size: 12px;
        line-height: 1.6;
    }

    .scenarios-grid.grid-9 .scenario-features,
    .scenarios-grid.grid-12 .scenario-features {
        margin-top: 12px;
    }

    .scenarios-grid.grid-9 .scenario-features li,
    .scenarios-grid.grid-12 .scenario-features li {
        font-size: 11px;
        padding: 4px 0;
    }

    .feature-card {
        padding: 20px 16px;
        border-radius: 12px;
        display: flex;
        flex-direction: column;
    }

    .feature-icon {
        width: 48px;
        height: 48px;
        font-size: 24px;
        margin-bottom: 12px;
    }

    .feature-title {
        font-size: 16px;
        margin-bottom: 8px;
        line-height: 1.4;
    }

    .feature-desc {
        font-size: 13px;
        line-height: 1.6;
        flex: 1;
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .help-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
        margin-bottom: 40px;
    }

    .help-step {
        flex-direction: column;
        text-align: center;
        padding: 20px 16px;
    }

    .step-number {
        margin: 0 auto 12px;
        width: 44px;
        height: 44px;
        font-size: 18px;
    }

    .step-content h3 {
        font-size: 16px;
        margin-bottom: 8px;
        line-height: 1.4;
    }

    .step-content p {
        font-size: 13px;
        text-align: left;
        line-height: 1.6;
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .help-tips {
        padding: 28px 20px;
        border-radius: 16px;
    }

    .tips-title {
        font-size: 22px;
        margin-bottom: 24px;
    }

    .tips-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .tip-item {
        padding: 14px 12px;
        font-size: 13px;
        line-height: 1.6;
    }

    .tip-item strong {
        font-size: 14px;
        margin-bottom: 6px;
    }

    .scenarios-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .scenario-card {
        padding: 20px 16px;
        border-radius: 12px;
        display: flex;
        flex-direction: column;
    }

    .scenario-icon {
        width: 48px;
        height: 48px;
        font-size: 24px;
        margin-bottom: 12px;
    }

    .scenario-title {
        font-size: 16px;
        margin-bottom: 8px;
        line-height: 1.4;
    }

    .scenario-desc {
        font-size: 13px;
        line-height: 1.6;
        margin-bottom: 12px;
        flex: 1;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .scenario-features {
        margin-top: auto;
    }

    .scenario-features li {
        font-size: 12px;
        padding: 6px 0 6px 20px;
        line-height: 1.5;
    }

    .scenario-features li::before {
        left: 0;
        top: 6px;
        font-size: 14px;
    }

    .footer {
        padding: 40px 16px 24px;
    }

    .footer-container {
        max-width: 100%;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .footer-section {
        padding: 0;
    }

    .footer-section:first-child {
        grid-column: 1 / -1;
        text-align: center;
        padding-bottom: 20px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .footer-section h4 {
        font-size: 16px;
        margin-bottom: 12px;
    }

    .footer-section p {
        font-size: 13px;
        line-height: 1.6;
        margin-bottom: 0;
    }

    .footer-section a {
        font-size: 13px;
        line-height: 1.8;
        display: block;
    }

    .footer-bottom {
        margin-top: 24px;
        padding-top: 20px;
        font-size: 12px;
    }

    .expand-btn-wrapper {
        margin: 40px auto 0;
        max-width: 100%;
        display: block !important; /* 确保在移动端始终显示 */
    }

    .expand-btn {
        width: 100%;
        max-width: 280px;
        padding: 14px 24px;
        font-size: 14px;
        display: inline-flex !important; /* 确保在移动端始终显示 */
    }

    .expand-btn svg {
        width: 18px;
        height: 18px;
    }

    .user-status-banner {
        top: 60px;
        padding: 10px 16px;
        font-size: 13px;
    }

    .faq-section {
        padding: 45px 16px;
    }

    .faq-title {
        font-size: 28px;
        margin-bottom: 40px;
    }

    .faq-question-text {
        font-size: 16px;
    }

    .faq-answer-text {
        font-size: 15px;
        line-height: 1.7;
    }

    .faq-question {
        padding: 20px 0;
    }

    .about-section {
        padding: 60px 16px;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 24px;
        margin-top: 40px;
    }

    .about-card {
        padding: 24px 20px;
        border-radius: 16px;
    }

    .about-icon {
        width: 48px;
        height: 48px;
        font-size: 24px;
    }

    .about-card-title {
        font-size: 20px;
    }

    .founder-text {
        font-size: 15px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .group-option {
        flex-direction: column;
        text-align: center;
        padding: 20px;
    }

    .group-action {
        width: 100%;
        display: flex;
        justify-content: center;
    }

    .group-qrcode-placeholder {
        width: 100px;
        height: 100px;
    }
}

/* 超小屏幕优化 */
@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 15px;
    }
    
    .hero {
        padding: 100px 12px 40px;
    }

    .hero-content {
        padding: 0;
        box-sizing: border-box;
        width: 100%;
        max-width: 100%;
    }

    .hero-cta {
        flex-direction: column;
        gap: 14px;
        width: 100%;
        max-width: 100%;
        padding: 0;
        box-sizing: border-box;
        margin: 0 auto;
    }
    
    .hero-url-input {
        min-width: 0;
        width: 100%;
        max-width: 100%;
        padding: 16px 18px;
        font-size: 16px;
        border-radius: 12px;
        min-height: 52px;
        box-sizing: border-box;
        -webkit-appearance: none;
        appearance: none;
        margin: 0;
        overflow: hidden;
    }
    
    .hero-url-input .url-prefix {
        font-size: 13px;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 35%;
    }
    
    .hero-url-input input {
        font-size: 16px;
        -webkit-appearance: none;
        appearance: none;
        width: 100%;
        max-width: 100%;
        min-width: 0;
        box-sizing: border-box;
        overflow: hidden;
        text-overflow: ellipsis;
        flex: 1;
    }
    
    .hero-cta-btn {
        width: 100%;
        max-width: 100%;
        justify-content: center;
        padding: 16px 28px;
        font-size: 17px;
        border-radius: 12px;
        min-height: 52px;
        box-sizing: border-box;
        -webkit-appearance: none;
        appearance: none;
        margin: 0;
    }

    .hero-examples {
        margin-top: 35px;
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 0;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    .hero-example-card {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        overflow: hidden;
    }
    
    .example-card-wrapper {
        padding: 24px 12px;
        box-sizing: border-box;
    }

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

    .features-grid,
    .scenarios-grid,
    .help-steps,
    .tips-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .feature-card,
    .scenario-card {
        padding: 16px 12px;
    }

    .feature-icon,
    .scenario-icon {
        width: 40px;
        height: 40px;
        font-size: 20px;
        margin-bottom: 10px;
    }

    .feature-title,
    .scenario-title {
        font-size: 15px;
    }

    .feature-desc,
    .scenario-desc {
        font-size: 12px;
    }

    .help-step {
        padding: 16px 12px;
    }

    .step-number {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }

    .step-content h3 {
        font-size: 15px;
    }

    .step-content p {
        font-size: 12px;
    }

}

/* 用户状态提示 */
.user-status-banner {
    background: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
    color: white;
    padding: 12px 24px;
    text-align: center;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    z-index: 999;
    font-size: 14px;
}

.user-status-banner a {
    color: white;
    text-decoration: underline;
    margin-left: 8px;
}