:root {
    --primary: #0D9488;
    --primary-light: #14B8A6;
    --primary-dark: #0F766E;
    --secondary: #F59E0B;
    --accent: #6366F1;
    --bg-root: #FAFBFC;
    --bg-surface: #FFFFFF;
    --text-primary: #1E293B;
    --text-secondary: #64748B;
    --text-muted: #94A3B8;
    --shadow-color: rgba(13, 148, 136, 0.1);
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(13,148,136,0.08), 0 2px 4px -1px rgba(0,0,0,0.04);
    --shadow-lg: 0 10px 15px -3px rgba(13,148,136,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(13,148,136,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    background: var(--bg-root);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    box-shadow: var(--shadow-md);
}

.logo-icon img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover;
    border-radius: 12px;
    display: block;
    box-shadow: none;
}

.nav-links {
    display: flex;
    gap: 40px;
    list-style: none;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

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

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--bg-surface);
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-secondary:hover,
.nav-buttons .btn-secondary.active {
    background: var(--primary);
    color: white;
}

.nav-buttons .btn-primary.active {
    box-shadow: 0 0 0 3px rgba(13,148,136,0.3);
}

.btn-white {
    background: white;
    color: var(--primary);
    box-shadow: var(--shadow-md);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-ghost {
    background: transparent;
    color: white;
    border: 2px solid rgba(255,255,255,0.5);
}

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

/* Hero区域 */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, #064E3B 0%, #065F46 50%, #0D9488 100%);
    position: relative;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2314B8A6' fill-opacity='0.08'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    color: white;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 14px;
    margin-bottom: 24px;
    border: 1px solid rgba(255,255,255,0.2);
}

.hero-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--secondary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero h1 {
    font-size: 52px;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #FFFFFF 0%, #A7F3D0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    color: rgba(255,255,255,0.85);
    margin-bottom: 16px;
    line-height: 1.8;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 40px;
}

.feature-tag {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(255,255,255,0.1);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 14px;
    color: rgba(255,255,255,0.9);
}

.feature-tag svg {
    width: 16px;
    height: 16px;
    fill: var(--secondary);
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 48px;
    margin-top: 60px;
}

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

.stat-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--secondary);
}

.stat-label {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    margin-top: 4px;
}

.hero-visual {
    position: relative;
}

.hero-card {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    padding: 32px;
    border: 1px solid rgba(255,255,255,0.2);
    box-shadow: var(--shadow-xl);
}

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

.avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
}

.avatar-info h4 {
    color: white;
    font-size: 18px;
    margin-bottom: 4px;
}

.avatar-info p {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
}

.rating {
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--secondary);
    font-size: 14px;
    margin-top: 4px;
}

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

.service-chip {
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: white;
    font-size: 14px;
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.3s;
}

.service-chip:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-2px);
}

.service-chip-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.hero-float-card {
    position: absolute;
    background: white;
    border-radius: var(--radius-md);
    padding: 16px 20px;
    box-shadow: var(--shadow-xl);
    animation: float 3s ease-in-out infinite;
}

.hero-float-card.card-1 {
    top: -20px;
    right: -30px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.hero-float-card.card-2 {
    bottom: 40px;
    left: -40px;
    animation-delay: 1.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.float-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.float-icon.green {
    background: rgba(16, 185, 129, 0.1);
    color: #10B981;
}

.float-icon.amber {
    background: rgba(245, 158, 11, 0.1);
    color: var(--secondary);
}

.float-text h5 {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 600;
}

.float-text p {
    font-size: 12px;
    color: var(--text-secondary);
}

/* 章节通用样式 */
.section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 40px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.section-title p {
    font-size: 18px;
    color: var(--text-secondary);
}

.section-title .highlight {
    color: var(--primary);
}

/* 服务分类区 */
.services {
    background: var(--bg-root);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    transform: scaleX(0);
    transition: transform 0.3s;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(13, 148, 136, 0.1);
}

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

.service-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, rgba(13, 148, 136, 0.1), rgba(20, 184, 166, 0.1));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    transition: all 0.3s;
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    transform: scale(1.1);
}

.service-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.service-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 平台优势区 */
.advantages {
    background: linear-gradient(180deg, var(--bg-surface) 0%, var(--bg-root) 100%);
}

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

.advantage-card {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,0,0,0.04);
}

.advantage-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
}

.advantage-icon svg {
    width: 36px;
    height: 36px;
    fill: white;
}

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

.advantage-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* 服务流程区 */
.process {
    background: var(--bg-root);
}

.process-timeline {
    display: flex;
    justify-content: space-between;
    position: relative;
    padding: 40px 0;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 80px;
    left: 10%;
    right: 10%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light), #10B981);
    border-radius: 2px;
}

.process-step {
    flex: 1;
    text-align: center;
    position: relative;
    z-index: 1;
}

.step-number {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 700;
    color: white;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.step-number::after {
    content: '';
    position: absolute;
    top: -8px;
    left: -8px;
    right: -8px;
    bottom: -8px;
    border: 3px solid var(--primary);
    border-radius: 50%;
    opacity: 0.2;
}

.process-step h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.process-step p {
    font-size: 14px;
    color: var(--text-secondary);
    max-width: 200px;
    margin: 0 auto;
}

/* 案例展示区 */
.cases {
    background: linear-gradient(135deg, #064E3B 0%, #065F46 50%, #0D9488 100%);
    position: relative;
    overflow: hidden;
}

.cases::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%2314B8A6' fill-opacity='0.05' fill-rule='evenodd'/%3E%3C/svg%3E");
}

.cases .section-title h2 {
    color: white;
}

.cases .section-title p {
    color: rgba(255,255,255,0.8);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    position: relative;
    z-index: 1;
}

.case-card {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.3s ease;
    color: white;
}

.case-card:hover {
    background: rgba(255,255,255,0.15);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.case-image {
    height: 180px;
    background: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.05));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
}

.case-content {
    padding: 24px;
}

.case-tag {
    display: inline-block;
    background: rgba(245, 158, 11, 0.2);
    color: var(--secondary);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 500;
    margin-bottom: 12px;
}

.case-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.case-card p {
    font-size: 14px;
    color: rgba(255,255,255,0.8);
    line-height: 1.6;
}

.case-meta {
    display: flex;
    gap: 16px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.case-meta span {
    font-size: 12px;
    color: rgba(255,255,255,0.7);
    display: flex;
    align-items: center;
    gap: 4px;
}

/* 角色入口区 */
.roles {
    background: var(--bg-root);
}

.roles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.role-card {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,0,0,0.04);
    position: relative;
    overflow: hidden;
}

.role-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
}

.role-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.role-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, rgba(13, 148, 136, 0.1), rgba(20, 184, 166, 0.1));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    transition: all 0.3s;
}

.role-card:hover .role-icon {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
}

.role-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.role-card p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.role-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: gap 0.3s;
}

.role-link:hover {
    gap: 12px;
}

/* 下载区域 */
.download {
    background: var(--bg-root);
    padding: 100px 0;
}

.download-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    padding: 60px;
    box-shadow: var(--shadow-xl);
}

.download-info h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.download-info p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.8;
}

.download-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--text-primary);
    color: white;
    padding: 16px 24px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: all 0.3s;
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.download-btn svg {
    width: 28px;
    height: 28px;
}

.download-btn .btn-text {
    display: flex;
    flex-direction: column;
}

.download-btn .btn-text span {
    font-size: 12px;
    opacity: 0.8;
}

.download-btn .btn-text strong {
    font-size: 16px;
    font-weight: 600;
}

.download-qr {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.qr-code {
    width: 200px;
    height: 200px;
    background: white;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    padding: 16px;
}

.qr-placeholder {
    width: 168px;
    height: 168px;
    background: linear-gradient(135deg, #f0f0f0, #e0e0e0);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 14px;
}

.qr-text {
    font-size: 16px;
    color: var(--text-secondary);
    font-weight: 500;
}

.hotline {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 24px;
    padding: 16px 24px;
    background: rgba(13, 148, 136, 0.05);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(13, 148, 136, 0.1);
}

.hotline-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.hotline-info p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 2px;
}

.hotline-info strong {
    font-size: 20px;
    color: var(--primary);
    font-weight: 700;
}

/* 底部 */
.footer {
    background: var(--text-primary);
    color: white;
    padding: 80px 0 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    color: white;
    margin-bottom: 20px;
}

.footer-brand .logo-icon {
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
}

.footer-brand p {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    line-height: 1.8;
    max-width: 300px;
}

.footer-links h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 40px;
    text-align: center;
    font-size: 14px;
    color: rgba(255,255,255,0.5);
}

.footer-bottom a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
}

.footer-bottom a:hover {
    color: var(--primary-light);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero h1 {
        font-size: 40px;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        display: none;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .roles-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .download-wrapper {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .download-buttons {
        justify-content: center;
    }

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

@media (max-width: 768px) {
    .nav-links, .nav-buttons {
        display: none;
    }

    .hero h1 {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .section {
        padding: 60px 0;
    }

    .section-title h2 {
        font-size: 28px;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
    }

    .cases-grid {
        grid-template-columns: 1fr;
    }

    .process-timeline {
        flex-direction: column;
        gap: 40px;
    }

    .process-timeline::before {
        display: none;
    }

    .roles-grid {
        grid-template-columns: 1fr;
    }

    .download-wrapper {
        padding: 40px 24px;
    }

    .download-info h2 {
        font-size: 28px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

/* 动画 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s;
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }
}


/* ===== 动态组件：四端下载卡组（#dynamic-content 由配置中心渲染） ===== */
.download-cards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.download-card {
    background: #fff;
    border-radius: 16px;
    padding: 32px 24px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    text-align: center;
    transition: all 0.3s ease;
}

.dl-card-icon {
    font-size: 40px;
}

.dl-card-name {
    font-size: 20px;
    font-weight: 700;
    color: #1a1a2e;
    margin: 12px 0 8px;
}

.dl-card-desc {
    font-size: 14px;
    color: #666;
    min-height: 40px;
}

.dl-card-version {
    font-size: 13px;
    color: #0D9488;
    margin: 10px 0;
}

.dl-qr-box {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 12px;
    display: inline-block;
    margin: 8px 0;
}

.dl-qr-box svg {
    display: block;
}

.dl-card-btn {
    display: inline-block;
    padding: 10px 28px;
    background: #0D9488;
    color: #fff;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.dl-card-btn:hover {
    opacity: 0.9;
    color: #fff;
}

/* ===== 动态组件移动端适配（覆盖内联固定列 grid，必须 !important） ===== */
@media (max-width: 992px) {
    .download-cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    #dynamic-content [style*="repeat(3,"],
    #dynamic-content [style*="repeat(4,"],
    #dynamic-content [style*="repeat(5,"] {
        grid-template-columns: repeat(2, 1fr) !important;
    }
    .step-connector {
        display: none;
    }
    .dl-card-icon {
        font-size: 32px;
    }
    .dl-card-name {
        font-size: 16px;
    }
    .dl-card-desc {
        min-height: 0;
    }
}

@media (max-width: 480px) {
    .download-cards-grid {
        grid-template-columns: repeat(1, 1fr);
        max-width: 360px;
        margin: 0 auto;
    }
    #dynamic-content [style*="repeat(2,"],
    #dynamic-content [style*="repeat(3,"],
    #dynamic-content [style*="repeat(4,"],
    #dynamic-content [style*="repeat(5,"] {
        grid-template-columns: repeat(1, 1fr) !important;
    }
    #dynamic-content [style*="gap:32px"] {
        gap: 20px !important;
    }
    #dynamic-content [style*="gap:24px"] {
        gap: 16px !important;
    }
    .dl-qr-box {
        padding: 8px;
    }
}

/* ===== 统一商务线性SVG图标（替换emoji，20260830c） ===== */
svg.xicon {
    width: 1em;
    height: 1em;
    display: inline-block;
    vertical-align: middle;
    flex-shrink: 0;
}
.service-icon { color: var(--primary, #0D9488); }
.service-card:hover .service-icon { color: #fff; }
.dl-card-icon { color: var(--primary, #0D9488); }
.earning-card .earning-icon { color: var(--primary, #0D9488); }
.coop-card .coop-icon { color: var(--primary, #0D9488); font-size: 32px; }
.coop-card:hover .coop-icon { color: #fff; }
.feature-showcase-card .feature-icon { color: var(--primary, #0D9488); }
.feature-showcase-card:hover .feature-icon { color: #fff; }