/* ==================== 基础样式 ==================== */
:root {
    --primary: #3B82F6;
    --primary-dark: #2563EB;
    --primary-light: #60A5FA;
    --accent: #0EA5E9;
    --success: #059669;
    --success-light: #D1FAE5;
    --warning: #D97706;
    --warning-light: #FEF3C7;
    --text-primary: #1E293B;
    --text-secondary: #64748B;
    --text-muted: #94A3B8;
    --bg-white: #FFFFFF;
    --bg-light: #F8FAFC;
    --bg-blue-light: #EFF6FF;
    --border: #E2E8F0;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-primary);
    background: var(--bg-white);
    line-height: 1.6;
}

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

/* ==================== 通用按钮 ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.5);
}

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

.btn-white:hover {
    background: var(--bg-light);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: white;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

.btn-block {
    width: 100%;
}

/* ==================== 导航栏 ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    padding: 0;
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-icon {
    font-size: 28px;
}

.logo-text {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
}

.logo-cn {
    color: var(--primary);
}

.logo-en {
    color: var(--text-secondary);
    font-weight: 500;
    margin-left: 4px;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: color 0.2s;
}

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

.nav-highlight {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(14, 165, 233, 0.15));
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: var(--primary) !important;
    border-radius: 20px;
    padding: 6px 14px !important;
    font-size: 13px;
    font-weight: 600;
}

.nav-highlight:hover {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.25), rgba(14, 165, 233, 0.25)) !important;
    color: var(--primary-dark) !important;
}

/* 导航栏右侧按钮 */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-service-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: transparent;
    border: none;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s;
    white-space: nowrap;
}

.nav-service-btn:hover {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary);
}

.service-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    width: 18px;
    height: 18px;
}

.service-icon-svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.service-text {
    line-height: 1;
}

/* ==================== Hero 区域 ==================== */
.hero {
    position: relative;
    padding: 140px 0 80px;
    min-height: 100vh;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--bg-white) 0%, var(--bg-blue-light) 100%);
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(37,99,235,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37,99,235,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: linear-gradient(135deg, rgba(37,99,235,0.15), rgba(6,182,212,0.1));
    top: -200px;
    right: -100px;
    animation: float 20s ease-in-out infinite;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, rgba(6,182,212,0.1), rgba(37,99,235,0.08));
    bottom: -100px;
    left: -100px;
    animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -30px); }
}

/* 浮动装饰元素 */
.floating-elements {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.float-element {
    position: absolute;
    font-size: 32px;
    opacity: 0.15;
    animation: floatIcon 6s ease-in-out infinite;
}

.fe-1 { top: 25%; left: 8%; animation-delay: 0s; }
.fe-2 { top: 35%; right: 45%; animation-delay: 1s; font-size: 28px; }
.fe-4 { top: 75%; right: 42%; animation-delay: 0.5s; }

@keyframes floatIcon {
    0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.15; }
    50% { transform: translateY(-15px) rotate(5deg); opacity: 0.25; }
}

/* Hero 双列布局 */
.hero-layout {
    position: relative;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    position: relative;
}

.hero-left {
    text-align: left;
}

.hero-left .hero-badge,
.hero-left .hero-title,
.hero-left .hero-desc,
.hero-left .hero-actions {
    max-width: 100%;
    margin-left: 0;
    margin-right: 0;
}

.hero-left .hero-stats {
    justify-content: flex-start;
}

/* 右侧卡片区域 */
.hero-right {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* 平台信息卡片 */
.platform-card {
    background: var(--bg-white);
    border-radius: 20px;
    padding: 24px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.08), 0 0 0 1px rgba(0,0,0,0.04);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.card-icon {
    font-size: 24px;
}

.card-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    flex: 1;
}

.card-badge {
    background: linear-gradient(135deg, var(--success), #10b981);
    color: white;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
}

.card-flow {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.flow-step {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 10px 0;
}

.flow-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-blue-light);
    border-radius: 10px;
    font-size: 18px;
    flex-shrink: 0;
}

.flow-step.completed .flow-icon {
    background: var(--success-light);
}

.flow-info {
    flex: 1;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 12px;
}

.flow-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
}

.flow-desc {
    font-size: 12px;
    color: var(--text-muted);
    white-space: nowrap;
}

.flow-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.flow-desc {
    font-size: 12px;
    color: var(--text-muted);
}

.flow-check {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--success);
    color: white;
    border-radius: 50%;
    font-size: 12px;
    font-weight: 700;
}

.flow-connector {
    width: 2px;
    height: 16px;
    background: linear-gradient(to bottom, var(--border), transparent);
    margin-left: 29px;
}

.card-features {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.feature-tag {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 0;
    background: var(--bg-light);
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
}

/* 迷你数据卡片 */
.stats-mini-card {
    display: flex;
    align-items: center;
    background: var(--bg-white);
    border-radius: 16px;
    padding: 18px 24px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.06), 0 0 0 1px rgba(0,0,0,0.03);
}

.mini-stat {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.mini-icon {
    font-size: 20px;
}

.mini-value {
    font-size: 20px;
    font-weight: 800;
    color: var(--primary);
}

.mini-label {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 500;
}

.mini-divider {
    width: 1px;
    height: 36px;
    background: var(--border);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(37,99,235,0.08);
    border: 1px solid rgba(37,99,235,0.2);
    border-radius: 100px;
    font-size: 14px;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 24px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

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

.hero-title {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.highlight {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
}

.hero-desc {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 36px;
    line-height: 1.8;
    white-space: nowrap;
}

.text-highlight {
    color: var(--primary);
    font-weight: 700;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

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

.stat-item {
    display: flex;
    flex-direction: column;
    font-size: 36px;
    font-weight: 800;
    color: var(--text-primary);
}

.stat-num {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ==================== Hero 表单 ==================== */
.hero-form-card {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    padding: 32px;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border);
}

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

.form-header h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-header p {
    font-size: 14px;
    color: var(--text-secondary);
}

.apply-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group select {
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    transition: all 0.2s;
    background: var(--bg-white);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.form-tip {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 8px;
}

/* ==================== 品牌区块 ==================== */
.brand-section {
    padding: 100px 0;
    background: var(--bg-white);
}

.brand-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.brand-text h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.brand-desc {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 32px;
}

.brand-values {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.value-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.value-icon {
    font-size: 32px;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-blue-light);
    border-radius: var(--radius);
    flex-shrink: 0;
}

.value-item h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
}

.value-item p {
    font-size: 14px;
    color: var(--text-secondary);
}

.interx-diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    padding: 40px;
    background: var(--bg-light);
    border-radius: var(--radius-xl);
}

.diagram-left,
.diagram-right {
    text-align: center;
}

.node {
    font-size: 18px;
    font-weight: 600;
    padding: 16px 24px;
    background: var(--bg-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 8px;
}

.node-desc {
    font-size: 13px;
    color: var(--text-muted);
}

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

.interx-logo {
    font-size: 48px;
    margin-bottom: 8px;
}

.interx-name {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary);
}

.interx-desc {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ==================== 品牌展示区 - 科技感设计 ==================== */
.logo-showcase {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px;
    background: linear-gradient(135deg, var(--bg-white) 0%, var(--bg-blue-light) 100%);
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
}

.logo-showcase::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(37,99,235,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37,99,235,0.03) 1px, transparent 1px);
    background-size: 30px 30px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { background-position: 0 0; }
    100% { background-position: 30px 30px; }
}

.logo-showcase::after {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(37,99,235,0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 0.8; }
}

.brand-logo-img {
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 4px 20px rgba(37,99,235,0.2));
    transition: transform 0.3s ease, filter 0.3s ease;
}

.brand-logo-img:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 8px 30px rgba(37,99,235,0.3));
}

.logo-placeholder {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.placeholder-icon {
    font-size: 64px;
}

.placeholder-text {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary);
}

.brand-tagline {
    position: relative;
    z-index: 2;
    text-align: center;
    margin-top: 24px;
}

.brand-tagline p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.brand-tagline strong {
    color: var(--primary);
    font-weight: 700;
}

.tagline-desc {
    font-size: 18px !important;
    color: var(--text-primary) !important;
    font-weight: 600;
}

/* ==================== 导航栏LOGO ==================== */
.nav-logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.nav-logo-img:hover {
    transform: scale(1.05);
}

.footer-logo-img {
    height: 36px;
    width: auto;
    object-fit: contain;
}

/* ==================== 通用区块样式 ==================== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--bg-blue-light);
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
    border-radius: 100px;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 16px;
}

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

.text-gradient {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-footer {
    text-align: center;
    margin-top: 48px;
}

/* ==================== 服务区块 ==================== */
.services-section {
    padding: 100px 0;
    background: var(--bg-light);
}

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

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

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-blue-light);
    border-radius: var(--radius);
    color: var(--primary);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.service-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.service-num {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 48px;
    font-weight: 800;
    color: rgba(37,99,235,0.05);
}

/* ==================== 案例区块 ==================== */
.cases-section {
    padding: 100px 0;
    background: var(--bg-white);
}

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

.case-featured {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 40px;
}

.case-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

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

.case-tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--bg-blue-light);
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    border-radius: 100px;
    margin-bottom: 16px;
}

.case-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
}

.case-result {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--bg-light);
    border-radius: var(--radius);
    margin-bottom: 16px;
}

.case-result.compact {
    flex-wrap: wrap;
    gap: 12px;
}

.result-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.result-label {
    font-size: 12px;
    color: var(--text-muted);
}

.result-value {
    font-size: 20px;
    font-weight: 700;
}

.result-value.old {
    color: var(--text-muted);
    text-decoration: line-through;
    font-size: 16px;
}

.result-value.new {
    color: var(--success);
}

.result-arrow {
    font-size: 20px;
    color: var(--text-muted);
}

.result-save {
    margin-left: auto;
}

.save-badge {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    font-size: 13px;
    font-weight: 700;
    border-radius: var(--radius-sm);
}

.case-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

.case-details {
    display: flex;
    gap: 24px;
    padding: 16px 0;
    border-top: 1px solid var(--border);
    margin-bottom: 16px;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.detail-label {
    font-size: 12px;
    color: var(--text-muted);
}

.detail-value {
    font-size: 15px;
    font-weight: 600;
}

.detail-value.highlight {
    color: var(--success);
}

.case-meta {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.case-illustration {
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-radius: var(--radius);
}

.case-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius);
}

.illustration-card {
    padding: 32px;
    background: linear-gradient(135deg, var(--bg-blue-light), var(--bg-white));
    border-radius: var(--radius-lg);
    text-align: center;
    width: 100%;
    border: 1px solid var(--border);
}

.illust-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.illust-image {
    width: 100%;
    height: 160px;
    object-fit: cover;
    border-radius: var(--radius);
    margin-bottom: 16px;
}

.illust-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
}

.illust-points {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

/* ==================== 合作伙伴 ==================== */
.partners-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.partners-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.partner-logo {
    width: 140px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all 0.2s;
}

.partner-logo:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
}

.partner-logo span {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
}

/* ==================== 流程区块 ==================== */
.process-section {
    padding: 100px 0;
    background: var(--bg-white);
}

.process-timeline {
    display: flex;
    align-items: center;
    justify-content: center;
}

.process-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 200px;
}

.step-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    font-size: 24px;
    font-weight: 800;
    border-radius: 50%;
    margin-bottom: 16px;
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.3);
}

.step-content h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.step-content p {
    font-size: 14px;
    color: var(--text-secondary);
}

.process-line {
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    margin: 0 20px;
    margin-bottom: 48px;
}

/* ==================== 双模式对比 ==================== */
.dual-mode-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.dual-mode-card {
    background: white;
    border-radius: 20px;
    padding: 32px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    border: 2px solid transparent;
    transition: transform 0.3s, box-shadow 0.3s;
}

.dual-mode-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.free-mode {
    border-color: var(--primary);
    background: white;
}

.service-mode {
    border-color: var(--primary);
    background: white;
}

.mode-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.mode-icon {
    font-size: 32px;
}

.mode-header h3 {
    font-size: 22px;
    font-weight: 700;
    flex: 1;
    color: var(--text-primary);
}

.mode-badge {
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

.mode-badge.free {
    background: var(--primary);
    color: white;
}

.mode-badge.paid {
    background: var(--primary);
    color: white;
}

.mode-steps {
    margin-bottom: 24px;
}

.mode-step {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 0;
}

.mode-step:not(:last-child) {
    border-bottom: 1px dashed var(--border);
}

.step-num {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: white;
    font-size: 14px;
    font-weight: 700;
    border-radius: 50%;
    flex-shrink: 0;
}

.free-mode .step-num {
    background: var(--primary);
}

.service-mode .step-num {
    background: var(--primary);
}

.step-text {
    font-size: 16px;
    color: var(--text-primary);
}

.mode-footer {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.mode-feature {
    font-size: 14px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

/* 响应式 */
@media (max-width: 768px) {
    .dual-mode-container {
        grid-template-columns: 1fr;
    }
    
    .mode-header {
        flex-wrap: wrap;
    }
    
    .mode-header h3 {
        width: 100%;
        margin-top: 8px;
    }
}

/* ==================== 融资流程（新版） ==================== */
.process-flow-container {
    max-width: 900px;
    margin: 0 auto;
}

.process-flow {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 48px;
}

.process-step {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    padding: 0 8px;
}

.step-circle {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    font-size: 24px;
    font-weight: 800;
    border-radius: 50%;
    margin-bottom: 16px;
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.3);
    position: relative;
    z-index: 2;
}

.process-step .step-content h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.process-step .step-content p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.step-arrow {
    position: absolute;
    right: -24px;
    top: 24px;
    font-size: 24px;
    color: var(--primary);
    z-index: 1;
    transform: translateX(50%);
}

.process-step:last-child .step-arrow {
    display: none;
}

.process-cta {
    text-align: center;
}

.process-note {
    margin-top: 16px;
    font-size: 14px;
    color: var(--text-secondary);
}

/* 响应式：流程步骤 */
@media (max-width: 768px) {
    .process-flow {
        flex-direction: column;
        gap: 32px;
    }
    
    .process-step {
        flex-direction: row;
        text-align: left;
        gap: 20px;
        padding: 0;
    }
    
    .step-circle {
        width: 48px;
        height: 48px;
        font-size: 20px;
        margin-bottom: 0;
        flex-shrink: 0;
    }
    
    .step-arrow {
        display: none;
    }
    
    .process-step .step-content {
        flex: 1;
    }
    
    .process-step .step-content h4 {
        font-size: 16px;
    }
    
    .process-step .step-content p {
        font-size: 13px;
    }
}

/* ==================== CTA 区块 ==================== */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
    background-size: 40px 40px;
}

.cta-content {
    position: relative;
    text-align: center;
    color: white;
}

.cta-content h2 {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 12px;
}

.cta-content p {
    font-size: 20px;
    margin-bottom: 32px;
    opacity: 0.9;
}

.cta-content .highlight {
    background: none;
    color: #FCD34D;
    -webkit-text-fill-color: #FCD34D;
}

/* ==================== 底部 ==================== */
.footer {
    background: var(--text-primary);
    color: white;
    padding: 60px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr 1fr;
    gap: 60px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand .logo-text {
    color: white;
}

.footer-brand p {
    color: rgba(255,255,255,0.6);
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 12px;
}

.footer-social span {
    font-size: 14px;
    color: rgba(255,255,255,0.8);
}

.footer-links {
    display: flex;
    gap: 60px;
}

.link-col {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.link-col h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 8px;
}

.link-col a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
    white-space: nowrap;
}

.link-col a:hover {
    color: white;
}

.footer-contact h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-contact p {
    color: rgba(255,255,255,0.6);
    font-size: 14px;
    margin-bottom: 8px;
}

.footer-bottom {
    text-align: center;
    padding: 24px 0;
    font-size: 13px;
    color: rgba(255,255,255,0.4);
}

/* ==================== 案例详情页 ==================== */
.page-hero {
    padding: 140px 0 60px;
    background: linear-gradient(135deg, var(--bg-white), var(--bg-blue-light));
    text-align: center;
}

.page-hero h1 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
}

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

.case-detail-section {
    padding: 80px 0;
}

.case-detail-card {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    padding: 48px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
}

.case-detail-header {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--border);
}

.case-detail-icon {
    font-size: 64px;
}

.case-detail-info h2 {
    font-size: 28px;
    margin-bottom: 8px;
}

.case-meta-tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--bg-blue-light);
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    border-radius: 100px;
    margin-bottom: 12px;
}

.case-detail-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    padding: 24px;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    margin-bottom: 32px;
}

.stat-card {
    text-align: center;
    padding: 16px;
}

.stat-card .label {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.stat-card .value {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
}

.stat-card .value.highlight {
    color: var(--success);
}

.case-section-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.case-section-content {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 24px;
}

.comparison-table th,
.comparison-table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.comparison-table th {
    background: var(--bg-light);
    font-weight: 600;
    font-size: 14px;
}

.comparison-table td {
    font-size: 15px;
}

.comparison-table .old {
    color: var(--text-muted);
    text-decoration: line-through;
}

.comparison-table .new {
    color: var(--success);
    font-weight: 700;
}

.success-highlight {
    padding: 24px;
    background: rgba(16, 185, 129, 0.05);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-lg);
    text-align: center;
    margin-top: 32px;
}

.success-highlight h3 {
    color: var(--success);
    margin-bottom: 8px;
}

/* ==================== 服务介绍页 ==================== */
.services-detail-section {
    padding: 80px 0;
}

.service-detail-card {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    padding: 48px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    margin-bottom: 32px;
}

.service-detail-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 24px;
}

.service-detail-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-blue-light);
    border-radius: var(--radius-lg);
    font-size: 32px;
}

.service-detail-card h2 {
    font-size: 24px;
    margin-bottom: 8px;
}

.service-detail-card .desc {
    color: var(--text-secondary);
    font-size: 15px;
}

.service-products {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 24px;
}

.product-item {
    padding: 16px;
    background: var(--bg-light);
    border-radius: var(--radius);
    text-align: center;
}

.product-item h4 {
    font-size: 15px;
    margin-bottom: 4px;
}

.product-item p {
    font-size: 13px;
    color: var(--text-muted);
}

/* ==================== 关于我们页 ==================== */
.about-section {
    padding: 80px 0;
}

.about-content {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    padding: 48px;
    box-shadow: var(--shadow-lg);
}

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

.about-text h2 {
    font-size: 32px;
    margin-bottom: 20px;
}

.about-text p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-visual {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.advantage-card {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    align-items: center;
}

.advantage-icon {
    font-size: 32px;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-white);
    border-radius: var(--radius);
    flex-shrink: 0;
}

.advantage-card h4 {
    font-size: 16px;
    margin-bottom: 4px;
}

.advantage-card p {
    font-size: 13px;
    color: var(--text-secondary);
}

/* ==================== 响应式 ==================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 0;
        text-align: center;
    }
    .hero-content .hero-badge,
    .hero-content .hero-title,
    .hero-content .hero-desc,
    .hero-content .hero-actions {
        margin-left: auto;
        margin-right: auto;
    }
    .hero-content .hero-actions {
        justify-content: center;
    }

    .hero-title {
        font-size: 40px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .case-featured {
        grid-template-columns: 1fr;
    }
    
    .brand-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .case-detail-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-desc {
        font-size: 16px;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 24px;
    }
    
    .services-grid,
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .process-timeline {
        flex-direction: column;
        gap: 24px;
    }
    
    .process-line {
        width: 2px;
        height: 40px;
        margin: 0;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
    
    .cta-content h2 {
        font-size: 28px;
    }
    
    .case-detail-stats {
        grid-template-columns: 1fr 1fr;
    }
    
    .service-products {
        grid-template-columns: 1fr;
    }
}

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes shimmer {
    0% {
        background-position: -200% center;
    }
    100% {
        background-position: 200% center;
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(37, 99, 235, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(37, 99, 235, 0.6);
    }
}

@keyframes borderGlow {
    0%, 100% {
        border-color: rgba(37, 99, 235, 0.3);
    }
    50% {
        border-color: rgba(37, 99, 235, 0.8);
    }
}

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

/* ==================== 滚动动画 ==================== */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-animate.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==================== 卡片悬停效果 ==================== */
.card-glow {
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-glow::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: inherit;
    opacity: 0;
    z-index: -1;
    transition: opacity 0.3s ease;
}

.card-glow:hover::before {
    opacity: 0.5;
}

.card-glow:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.15);
}

/* ==================== 文字光效 ==================== */
.text-glow {
    text-shadow: 0 0 10px rgba(37, 99, 235, 0.5);
}

/* ==================== 渐变边框 ==================== */
.gradient-border {
    position: relative;
    background: var(--bg-white);
}

.gradient-border::before {
    content: '';
    position: absolute;
    inset: 0;
    padding: 2px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: inherit;
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
}

/* ==================== 背景粒子效果 ==================== */
.particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0.3;
    animation: particleFloat 10s infinite linear;
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(-100vh) rotate(720deg);
        opacity: 0;
    }
}

/* ==================== 按钮光效 ==================== */
.btn-glow {
    position: relative;
    overflow: hidden;
}

.btn-glow::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        to right,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transform: rotate(45deg) translateX(-100%);
    transition: transform 0.6s ease;
}

.btn-glow:hover::after {
    transform: rotate(45deg) translateX(100%);
}

/* ==================== 数字滚动动画 ==================== */
.count-up {
    display: inline-block;
    transition: transform 0.3s ease;
}

.count-up:hover {
    transform: scale(1.1);
}

/* ==================== 案例卡片美化 ==================== */
.case-detail-card {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    padding: 32px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.case-detail-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

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

.case-detail-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(37, 99, 235, 0.3);
}

/* ==================== 底部地址美化 ==================== */
.footer-address-detail {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ==================== 页面Hero增强 ==================== */
.page-hero {
    position: relative;
    padding: 140px 0 60px;
    background: linear-gradient(135deg, var(--bg-white) 0%, var(--bg-blue-light) 100%);
    text-align: center;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(37,99,235,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37,99,235,0.03) 1px, transparent 1px);
    background-size: 40px 40px;
}

/* ==================== 品牌LOGO悬停提示 ==================== */
.logo-wrapper {
    position: relative;
    display: inline-block;
}

.logo-wrapper:hover .logo-story-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.logo-story-tooltip {
    position: absolute;
    left: 0;
    top: calc(100% + 16px);
    width: 420px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    padding: 24px 28px;
}

.logo-story-tooltip::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 40px;
    transform: rotate(45deg);
    width: 16px;
    height: 16px;
    background: var(--bg-white);
    box-shadow: -2px 2px 4px rgba(0,0,0,0.05);
}

.tooltip-content h4 {
    font-size: 16px;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.tooltip-content p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 12px;
}

.tooltip-content p:last-child {
    margin-bottom: 0;
}

.tooltip-content strong {
    display: block;
    color: var(--primary);
    font-size: 14px;
    margin-bottom: 4px;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .logo-story-tooltip {
        position: fixed;
        left: 16px;
        right: 16px;
        top: auto;
        bottom: 16px;
        width: auto;
        transform: translateY(20px);
        max-height: 50vh;
        overflow-y: auto;
    }
    
    .logo-wrapper:hover .logo-story-tooltip {
        transform: translateY(0);
    }
    
    .logo-story-tooltip::before {
        display: none;
    }
}