/* ============================================
   乐刷流量卡POS - 乐刷橙红合规风格
   区别于乐刷前6款，区别于所有其他品牌
   乐刷橙红#C2622D + 低费青#0D9488 + 合规绿#059669
   ============================================ */

/* ============================================
   1. 基础样式 Reset + 字体
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;600;700;800&display=swap');

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

:root {
    /* 乐刷橙红主色系 */
    --leshua-orange: #C2622D;
    --leshua-orange-light: #D97706;
    --leshua-orange-dark: #9A3412;
    
    /* 低费青点缀色 */
    --teal-fee: #0D9488;
    --teal-fee-dark: #0F766E;
    --teal-fee-light: #14B8A6;
    
    /* 合规绿点缀色 */
    --green-compliance: #059669;
    --green-compliance-dark: #047857;
    --green-compliance-light: #10B981;
    
    /* 背景色 */
    --bg-white: #FFFFFF;
    --bg-page: #FEF3C7;
    --bg-light: #FDE68A;
    --bg-hero: linear-gradient(135deg, #C2622D 0%, #D97706 100%);
    --bg-hero-teal: linear-gradient(135deg, #0D9488 0%, #0F766E 100%);
    --bg-hero-green: linear-gradient(135deg, #059669 0%, #047857 100%);
    
    /* 文字色 */
    --text-dark: #9A3412;
    --text-body: #334155;
    --text-muted: #64748B;
    --text-light: #94A3B8;
    --text-white: #FFFFFF;
    
    /* 边框与阴影 */
    --border: #E5E7EB;
    --border-light: #F3F4F6;
    --card-shadow: 0 2px 8px rgba(194,98,45,0.08);
    --shadow-sm: 0 1px 3px rgba(194,98,45,0.06);
    --shadow-md: 0 8px 24px rgba(194,98,45,0.12);
    --shadow-lg: 0 16px 48px rgba(194,98,45,0.16);
    --shadow-nav: 0 2px 20px rgba(194,98,45,0.12);
    
    /* 圆角 */
    --radius: 10px;
    --radius-sm: 6px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* 过渡 */
    --transition: all 0.3s ease;
    --transition-fast: all 0.2s ease;
    
    /* 字体 */
    --font-cn: 'Noto Sans SC', sans-serif;
    --font-en: 'DM Sans', sans-serif;
}

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

body {
    font-family: var(--font-cn);
    color: var(--text-body);
    background-color: var(--bg-white);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul, ol {
    list-style: none;
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    outline: none;
}

/* ============================================
   2. 导航栏（白色，滚动乐刷橙红阴影）
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-nav);
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
}

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

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--leshua-orange);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
    font-size: 18px;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--leshua-orange);
    font-family: var(--font-en);
}

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

.nav-links a {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-body);
    position: relative;
    padding: 8px 0;
}

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

.nav-links a:hover {
    color: var(--leshua-orange);
}

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

.nav-links a.active {
    color: var(--leshua-orange);
}

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

.btn-cta {
    background: var(--bg-hero);
    color: white;
    padding: 10px 24px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(194,98,45,0.3);
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(194,98,45,0.4);
}

/* 汉堡菜单按钮 */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--leshua-orange);
    transition: var(--transition);
}

/* 手机端导航 */
.mobile-nav {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: white;
    box-shadow: var(--shadow-md);
    padding: 16px 24px;
    z-index: 999;
}

.mobile-nav.active {
    display: block;
}

.mobile-nav a {
    display: block;
    padding: 14px 0;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-body);
    border-bottom: 1px solid var(--border-light);
}

.mobile-nav a:last-child {
    border-bottom: none;
}

.mobile-nav a:hover,
.mobile-nav a.active {
    color: var(--leshua-orange);
}

/* ============================================
   3. 页脚（乐刷橙红渐变）
   ============================================ */
.footer {
    background: var(--bg-hero);
    color: white;
    padding: 60px 24px 0;
}

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

.footer-main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    padding-bottom: 40px;
}

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

.footer-brand .logo-icon {
    background: white;
    color: var(--leshua-orange);
}

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

.footer-brand .tagline {
    font-size: 14px;
    opacity: 0.8;
    line-height: 1.8;
}

.footer-links h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    opacity: 0.9;
}

.footer-links ul {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 24px;
}

.footer-links a {
    font-size: 14px;
    opacity: 0.7;
    transition: var(--transition);
}

.footer-links a:hover {
    opacity: 1;
}

.footer-bottom {
    background: var(--leshua-orange-dark);
    margin: 0 -24px;
    padding: 20px 24px;
    text-align: center;
}

.footer-bottom p {
    font-size: 12px;
    opacity: 0.6;
    line-height: 1.8;
}

.footer-bottom a {
    color: white;
}

.footer-bottom a:hover {
    text-decoration: underline;
}

/* ============================================
   4. 公共组件：卡片/按钮/标签
   ============================================ */

/* 乐刷橙红卡片 */
.card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--card-shadow);
    border-top: 4px solid var(--leshua-orange);
    border-bottom: 2px solid var(--green-compliance);
    transition: var(--transition);
}

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

.card-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(194,98,45,0.1) 0%, rgba(194,98,45,0.05) 100%);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 16px;
}

.card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

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

/* 合规绿顶部装饰条卡片 */
.card-teal {
    border-top: 4px solid var(--teal-fee);
    border-bottom: 2px solid var(--green-compliance);
}

.card-teal .card-icon {
    background: linear-gradient(135deg, rgba(13,148,136,0.1) 0%, rgba(13,148,136,0.05) 100%);
}

/* 合规绿顶部装饰条卡片 */
.card-green {
    border-top: 4px solid var(--green-compliance);
    border-bottom: 2px solid var(--teal-fee);
}

.card-green .card-icon {
    background: linear-gradient(135deg, rgba(5,150,105,0.1) 0%, rgba(5,150,105,0.05) 100%);
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 15px;
    transition: var(--transition);
    cursor: pointer;
}

.btn-primary {
    background: var(--bg-hero);
    color: white;
    box-shadow: 0 4px 16px rgba(194,98,45,0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(194,98,45,0.4);
}

.btn-secondary {
    background: white;
    color: var(--leshua-orange);
    border: 2px solid var(--leshua-orange);
}

.btn-secondary:hover {
    background: var(--leshua-orange);
    color: white;
}

.btn-teal {
    background: var(--bg-hero-teal);
    color: white;
    box-shadow: 0 4px 16px rgba(13,148,136,0.3);
}

.btn-teal:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(13,148,136,0.4);
}

.btn-green {
    background: var(--bg-hero-green);
    color: white;
    box-shadow: 0 4px 16px rgba(5,150,105,0.3);
}

.btn-green:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(5,150,105,0.4);
}

/* 标签样式 */
.tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
}

.tag-teal {
    background: rgba(13,148,136,0.1);
    color: var(--teal-fee);
}

.tag-green {
    background: rgba(5,150,105,0.1);
    color: var(--green-compliance);
}

.tag-orange {
    background: rgba(194,98,45,0.1);
    color: var(--leshua-orange);
}

/* 徽章 */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 500;
    color: white;
}

/* ============================================
   5. 首页专属
   ============================================ */

/* Hero区 */
.hero {
    background: var(--bg-hero);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 140px 24px 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
    pointer-events: none;
}

.hero-badge {
    background: rgba(5,150,105,0.2);
    border: 1px solid rgba(5,150,105,0.3);
    color: white;
    margin-bottom: 32px;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

.hero h1 {
    font-size: 48px;
    font-weight: 800;
    color: white;
    margin-bottom: 20px;
    line-height: 1.2;
    max-width: 800px;
}

.hero-subtitle {
    font-size: 18px;
    color: rgba(255,255,255,0.8);
    margin-bottom: 48px;
    max-width: 600px;
    line-height: 1.8;
}

/* 省钱动画+合规动画区 */
.hero-animation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.animation-box {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: 32px 40px;
    min-width: 220px;
    text-align: center;
}

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

.animation-title {
    font-size: 20px;
    font-weight: 700;
    color: white;
    margin-bottom: 8px;
}

.animation-desc {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
}

.animation-connector {
    font-size: 24px;
    color: rgba(255,255,255,0.5);
}

/* 费率动画 */
@keyframes feeChange {
    0% { content: '0.6%'; }
    33% { content: '0.5%'; }
    66% { content: '0.38%'; }
    100% { content: '低费率'; }
}

.fee-animation {
    position: relative;
}

.fee-number {
    font-size: 36px;
    font-weight: 800;
    font-family: var(--font-en);
    color: white;
    animation: feeFlash 3s ease-in-out infinite;
}

@keyframes feeFlash {
    0%, 100% { opacity: 1; }
    25% { opacity: 1; }
    30% { opacity: 0.5; }
    35% { opacity: 1; }
    50% { opacity: 1; }
    55% { opacity: 0.5; }
    60% { opacity: 1; }
}

.fee-label {
    display: block;
    margin-top: 8px;
    font-size: 14px;
    color: var(--teal-fee-light);
    font-weight: 600;
}

/* 合规动画 */
@keyframes glowPulse {
    0%, 100% { filter: drop-shadow(0 0 8px rgba(5,150,105,0.5)); }
    50% { filter: drop-shadow(0 0 20px rgba(5,150,105,0.8)); }
}

.license-icon {
    font-size: 64px;
    animation: glowPulse 2s ease-in-out infinite;
}

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

.hero-popup {
    background: rgba(5,150,105,0.2);
    border: 1px solid rgba(5,150,105,0.3);
    border-radius: var(--radius-lg);
    padding: 20px 32px;
    margin-top: 40px;
    font-size: 15px;
    color: white;
    max-width: 600px;
}

/* 区块标题 */
.section {
    padding: 80px 24px;
}

.section-alt {
    background: var(--bg-page);
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.section-header p {
    font-size: 16px;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

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

/* 费率合规说明区 */
.compliance-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.compliance-card {
    position: relative;
}

.compliance-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--green-compliance);
    border-radius: var(--radius) var(--radius) 0 0;
}

/* 低费率说明区 */
.fee-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.fee-card {
    position: relative;
}

.fee-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--teal-fee);
    border-radius: var(--radius) var(--radius) 0 0;
}

/* 流量卡POS展示区 */
.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

.product-card {
    position: relative;
    text-align: center;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--leshua-orange);
    border-radius: var(--radius) var(--radius) 0 0;
}

.product-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, rgba(194,98,45,0.1) 0%, rgba(194,98,45,0.05) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    margin: 0 auto 20px;
}

.product-name {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.product-model {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.product-tags {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 16px;
}

.product-features {
    text-align: left;
    margin-bottom: 20px;
}

.product-features li {
    font-size: 14px;
    color: var(--text-muted);
    padding: 8px 0;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    gap: 8px;
}

.product-features li::before {
    content: '✓';
    color: var(--green-compliance);
    font-weight: 700;
}

/* 为什么选费率合规 */
.reasons-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.reason-card {
    text-align: center;
    padding: 24px 16px;
}

.reason-number {
    font-size: 32px;
    font-weight: 800;
    font-family: var(--font-en);
    color: var(--leshua-orange);
    margin-bottom: 12px;
}

.reason-card h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.reason-card p {
    font-size: 12px;
    color: var(--text-muted);
}

/* 四品牌费率合规对比 */
.compare-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.compare-card {
    padding: 24px;
    border-radius: var(--radius-lg);
    text-align: center;
}

.compare-card.leshua {
    background: var(--leshua-orange);
    color: white;
}

.compare-card.jialian {
    background: #B87333;
    color: white;
}

.compare-card.zhongfu {
    background: #155E75;
    color: white;
}

.compare-card.lakala {
    background: #0369A1;
    color: white;
}

.compare-card h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
}

.compare-card ul {
    text-align: left;
    font-size: 13px;
}

.compare-card li {
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.compare-card li:last-child {
    border-bottom: none;
}

/* 底部CTA申请区 */
.cta-section {
    background: var(--bg-hero);
    padding: 80px 24px;
    text-align: center;
}

.cta-section h2 {
    font-size: 36px;
    font-weight: 800;
    color: white;
    margin-bottom: 24px;
}

.cta-advantages {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.cta-advantages span {
    font-size: 16px;
    color: rgba(255,255,255,0.9);
    display: flex;
    align-items: center;
    gap: 8px;
}

.cta-form {
    background: var(--leshua-orange-dark);
    border-radius: var(--radius-lg);
    padding: 32px;
    max-width: 500px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 16px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid rgba(255,255,255,0.2);
    border-radius: var(--radius);
    background: rgba(255,255,255,0.1);
    color: white;
    font-size: 15px;
    font-family: inherit;
}

.form-group input::placeholder {
    color: rgba(255,255,255,0.5);
}

.form-group select option {
    background: var(--leshua-orange-dark);
    color: white;
}

.cta-form .btn {
    width: 100%;
}

.cta-tips {
    margin-top: 16px;
    font-size: 13px;
    color: rgba(255,255,255,0.6);
}

/* ============================================
   6. 低费率页专属
   ============================================ */

/* 低费青Hero */
.hero-teal {
    background: var(--bg-hero-teal);
}

.hero-teal .hero-badge {
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.2);
}

.hero-teal h1 {
    color: var(--leshua-orange-dark);
}

.hero-teal .hero-subtitle {
    color: rgba(154,52,18,0.8);
}

/* 什么是低费率 */
.knowledge-box {
    background: rgba(13,148,136,0.05);
    border: 2px solid var(--teal-fee);
    border-radius: var(--radius-lg);
    padding: 32px;
    margin-bottom: 32px;
}

.knowledge-box h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--teal-fee);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.knowledge-list {
    display: grid;
    gap: 16px;
}

.knowledge-list dt {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.knowledge-list dd {
    color: var(--text-muted);
    font-size: 14px;
    padding-left: 16px;
    border-left: 2px solid var(--teal-fee);
}

/* 5大优势 */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.advantage-card {
    position: relative;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--teal-fee);
    border-radius: var(--radius) var(--radius) 0 0;
}

.advantage-card:nth-child(4),
.advantage-card:nth-child(5) {
    grid-column: span 1;
}

/* 费率对比表格 */
.compare-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--card-shadow);
}

.compare-table th,
.compare-table td {
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.compare-table th {
    background: var(--leshua-orange);
    color: white;
    font-weight: 600;
    font-size: 14px;
}

.compare-table th:nth-child(1) {
    background: var(--text-dark);
}

.compare-table tr:last-child td {
    border-bottom: none;
}

.compare-table tr:hover td {
    background: rgba(194,98,45,0.02);
}

.compare-table .leshua-col {
    background: rgba(194,98,45,0.05);
    color: var(--leshua-orange);
    font-weight: 600;
}

.compare-table .jialian-col {
    background: rgba(184,115,51,0.05);
    color: #B87333;
}

.compare-table .zhongfu-col {
    background: rgba(21,94,117,0.05);
    color: #155E75;
}

.compare-table .lakala-col {
    background: rgba(3,105,161,0.05);
    color: #0369A1;
}

/* 三方费率对比 */
.three-table {
    max-width: 900px;
    margin: 0 auto;
}

.three-table th:nth-child(2) {
    background: var(--text-muted);
}

.three-table th:nth-child(3) {
    background: var(--teal-fee);
}

.three-table th:nth-child(4) {
    background: var(--leshua-orange);
}

/* FAQ手风琴 */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: var(--radius);
    margin-bottom: 12px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 20px 24px;
    background: none;
    text-align: left;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.faq-question:hover {
    color: var(--leshua-orange);
}

.faq-icon {
    font-size: 20px;
    transition: var(--transition);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

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

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

.faq-answer-content {
    padding: 0 24px 20px;
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.8;
}

/* ============================================
   7. 正规一清页专属
   ============================================ */

/* 合规绿Hero */
.hero-green {
    background: var(--bg-hero-green);
}

.hero-green .hero-badge {
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.2);
}

.hero-green h1 {
    color: var(--leshua-orange-dark);
}

.hero-green .hero-subtitle {
    color: rgba(154,52,18,0.8);
}

/* 什么是正规一清 */
.knowledge-box-green {
    background: rgba(5,150,105,0.05);
    border: 2px solid var(--green-compliance);
    border-radius: var(--radius-lg);
    padding: 32px;
    margin-bottom: 32px;
}

.knowledge-box-green h3 {
    color: var(--green-compliance);
}

.knowledge-box-green dd {
    border-left-color: var(--green-compliance);
}

/* 5大优势-合规绿 */
.advantage-card-green::before {
    background: var(--green-compliance);
}

/* 四品牌合规对比 */
.compliance-table th:nth-child(1) {
    background: var(--leshua-orange);
}

.compliance-table th:nth-child(2) {
    background: #155E75;
}

.compliance-table th:nth-child(3) {
    background: #6D28D9;
}

.compliance-table th:nth-child(4) {
    background: #3730A3;
}

/* 三方合规对比 */
.compliance-three-table th:nth-child(1) {
    background: var(--text-muted);
}

.compliance-three-table th:nth-child(2) {
    background: #DC2626;
}

.compliance-three-table th:nth-child(3) {
    background: #F59E0B;
}

.compliance-three-table th:nth-child(4) {
    background: var(--green-compliance);
}

/* ============================================
   8. 对比页专属
   ============================================ */

/* 4维度对比 */
.dimension-table {
    margin-bottom: 48px;
}

/* 4角度说明 */
.angle-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.angle-card {
    padding: 32px 24px;
    border-radius: var(--radius-lg);
    text-align: center;
}

.angle-card.leshua {
    background: var(--leshua-orange);
    color: white;
}

.angle-card.jialian {
    background: #B87333;
    color: white;
}

.angle-card.zhongfu {
    background: #155E75;
    color: white;
}

.angle-card.lakala {
    background: #0369A1;
    color: white;
}

.angle-card h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
}

.angle-card p {
    font-size: 13px;
    opacity: 0.9;
    line-height: 1.6;
}

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

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

/* 滚动引导线 */
.scroll-line {
    position: fixed;
    top: 0;
    left: 0;
    width: 3px;
    height: 0;
    background: var(--green-compliance);
    z-index: 1001;
    transition: height 0.1s linear;
}

/* ============================================
   10. 响应式
   ============================================ */

/* 平板 */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 36px;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
    
    .compliance-grid,
    .fee-grid,
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .reasons-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .compare-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .angle-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
}

/* 手机 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero {
        padding: 120px 24px 60px;
    }
    
    .hero h1 {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 15px;
    }
    
    .hero-animation {
        flex-direction: column;
        gap: 20px;
    }
    
    .animation-box {
        width: 100%;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .section {
        padding: 60px 16px;
    }
    
    .section-header h2 {
        font-size: 24px;
    }
    
    .section-header p {
        font-size: 14px;
    }
    
    .compliance-grid,
    .fee-grid,
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .reasons-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .compare-grid {
        grid-template-columns: 1fr;
    }
    
    .angle-cards {
        grid-template-columns: 1fr;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .cta-section h2 {
        font-size: 24px;
    }
    
    .cta-advantages {
        flex-direction: column;
        gap: 12px;
    }
    
    .compare-table {
        font-size: 13px;
    }
    
    .compare-table th,
    .compare-table td {
        padding: 12px 10px;
    }
}

/* 小屏手机 */
@media (max-width: 480px) {
    .hero h1 {
        font-size: 24px;
    }
    
    .hero-badge {
        font-size: 12px;
        padding: 6px 12px;
    }
    
    .reasons-grid {
        grid-template-columns: 1fr;
    }
    
    .badge {
        font-size: 11px;
        padding: 6px 10px;
    }
    
    .card {
        padding: 20px 16px;
    }
}