/* Sela Unified Stylesheet - All Regions */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(145deg, #0b1120 0%, #192132 100%);
    color: #e2e8f0;
    line-height: 1.6;
    min-height: 100vh;
}

/* 科技感网格背景 */
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(79, 70, 229, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(79, 70, 229, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
}

/* 纯透明贴顶导航栏 - 极简版 */
.fixed-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(15, 23, 42, 0);
    padding: 12px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.fixed-nav.scrolled {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-logo {
    font-weight: 800;
    font-size: 1.4rem;
    background: linear-gradient(135deg, #a5b4fc, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
    text-shadow: 0 0 20px rgba(79, 70, 229, 0.5);
}

.nav-menu {
    display: flex;
    gap: 8px;
}

.nav-menu a {
    padding: 6px 16px;
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    border-radius: 40px;
    font-weight: 500;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    white-space: nowrap;
}

.nav-menu a:hover {
    background: rgba(79, 70, 229, 0.3);
    color: white;
}

.nav-menu a.active {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    color: white;
    box-shadow: 0 8px 20px rgba(79, 70, 229, 0.4);
}

/* 顶部栏 (用于详情页) */
.top-bar {
    position: fixed; 
    top: 0; 
    width: 100%; 
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 12px 20px; 
    display: flex; 
    align-items: center;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid rgba(79, 70, 229, 0.3);
    z-index: 100;
}

.back-btn { 
    text-decoration: none; 
    font-size: 1.6rem; 
    color: #a5b4fc; 
    margin-right: 15px;
    transition: all 0.3s ease;
    line-height: 1;
}

.back-btn:hover {
    color: white;
    transform: translateX(-3px);
}

.top-bar h1 { 
    font-size: 1.2rem; 
    color: white;
    font-weight: 600;
}

/* 主内容区 - 为固定导航栏留出空间 */
.main-content, .bottom-actions, .bottom-cta {
    position: relative;
    z-index: 10;
}

.main-content {
    padding: 20px 24px 100px;
    max-width: 1400px;
    margin: 0 auto;
}

/* 顶部宣传横幅 - 为固定导航栏留出空间 */
.hero-banner, .top-hero {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.9) 0%, rgba(124, 58, 237, 0.9) 100%);
    backdrop-filter: blur(10px);
    color: white; 
    padding: 90px 20px 60px; 
    text-align: center;
    border-radius: 0 0 40px 40px; 
    box-shadow: 0 25px 40px -15px rgba(79, 70, 229, 0.5);
    position: relative;
    overflow: hidden;
    margin-bottom: 30px;
}

.hero-banner::before, .top-hero::before {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
    z-index: 0;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hero-banner h1, .hero-title { 
    font-size: 2.4rem; 
    margin-bottom: 15px; 
    font-weight: 800;
    letter-spacing: -1px;
    position: relative;
    z-index: 2;
    text-shadow: 0 2px 20px rgba(0,0,0,0.3);
    line-height: 1.2;
}

.hero-banner p, .hero-subtitle { 
    opacity: 0.95; 
    font-size: 1.2rem; 
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto 20px;
}

.hero-highlight {
    background: rgba(255, 255, 255, 0.15); 
    backdrop-filter: blur(10px);
    padding: 12px 25px; 
    border-radius: 50px; 
    display: inline-block;
    font-weight: bold; 
    font-size: 1.1rem; 
    border: 2px solid rgba(255, 255, 255, 0.3);
    margin-top: 10px;
    position: relative;
    z-index: 2;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

/* 平台介绍卡片 */
.intro-cards {
    display: grid; 
    grid-template-columns: 1fr; 
    gap: 20px;
    max-width: 1200px; 
    margin: -40px auto 40px; 
    padding: 0 20px;
    position: relative; 
    z-index: 20;
}

.intro-card {
    background: rgba(30, 41, 59, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 28px; 
    border-radius: 24px;
    box-shadow: 0 20px 35px -10px rgba(0, 0, 0, 0.5);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    transition: all 0.4s ease;
}

.intro-card::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 24px;
    padding: 2px;
    background: linear-gradient(145deg, rgba(79, 70, 229, 0.5), rgba(236, 72, 153, 0.3));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

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

.intro-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 30px 45px -12px rgba(79, 70, 229, 0.4);
}

.intro-icon { 
    font-size: 3rem; 
    margin-bottom: 15px;
    filter: drop-shadow(0 0 15px rgba(79, 70, 229, 0.5));
}

.intro-card h3 { 
    font-size: 1.6rem; 
    margin-bottom: 15px; 
    color: white;
    font-weight: 700;
}

.intro-card p { 
    color: #cbd5e1; 
    margin-bottom: 20px;
    font-size: 0.95rem;
    line-height: 1.6;
}

.stats-grid {
    display: grid; 
    grid-template-columns: 1fr 1fr; 
    gap: 12px;
    margin-top: 15px; 
}

.stat-item { 
    padding: 15px; 
    background: rgba(255,255,255,0.03);
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.05);
}

.stat-number { 
    font-size: 1.8rem; 
    font-weight: 800; 
    color: #a5b4fc; 
    display: block;
    margin-bottom: 5px;
}

.stat-label { 
    font-size: 0.85rem; 
    color: #94a3b8; 
}

/* 核心政策卡片网格 */
.policy-cards { 
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin: 30px 0 25px;
}

.policy-card {
    background: rgba(30, 41, 59, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 24px;
    padding: 22px 20px;
    box-shadow: 0 20px 35px -10px rgba(0, 0, 0, 0.5);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.policy-card::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 24px;
    padding: 2px;
    background: linear-gradient(145deg, rgba(79, 70, 229, 0.5), rgba(236, 72, 153, 0.3));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

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

.policy-card:hover {
    transform: translateY(-5px) scale(1.01);
    box-shadow: 0 30px 45px -12px rgba(79, 70, 229, 0.6);
    border-color: transparent;
}

.policy-card h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    color: white;
    margin-bottom: 15px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.policy-card .icon { 
    font-size: 1.8rem;
    filter: drop-shadow(0 0 8px rgba(79, 70, 229, 0.6));
}

.policy-card p { 
    color: #cbd5e1; 
    margin-bottom: 10px; 
    font-size: 0.9rem;
    line-height: 1.6;
}

.policy-card .note {
    color: #94a3b8;
    font-size: 0.85rem;
    font-style: italic;
    margin-bottom: 10px;
}

.policy-card .tag {
    display: inline-block;
    background: rgba(79, 70, 229, 0.15);
    color: #a5b4fc;
    padding: 4px 10px;
    border-radius: 30px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-right: 5px;
    margin-bottom: 5px;
    border: 1px solid rgba(79, 70, 229, 0.3);
    backdrop-filter: blur(4px);
    letter-spacing: 0.3px;
}

.card-cta {
    display: inline-block;
    margin-top: 15px;
    color: #a5b4fc;
    font-weight: 600;
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    border-bottom: 1px dashed transparent;
    align-self: flex-start;
}

.card-cta:hover {
    color: white;
    border-bottom-color: #a5b4fc;
}

/* 信息卡片 (用于详情页) */
.info-card { 
    background: rgba(30, 41, 59, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 22px; 
    border-radius: 20px; 
    margin-bottom: 20px; 
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 20px 35px -10px rgba(0, 0, 0, 0.5);
    position: relative;
}

.info-card::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 20px;
    padding: 2px;
    background: linear-gradient(145deg, rgba(79, 70, 229, 0.5), rgba(236, 72, 153, 0.3));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

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

.info-card h3 { 
    color: white; 
    margin-bottom: 15px; 
    padding-bottom: 10px; 
    border-bottom: 2px solid rgba(255,255,255,0.1);
    font-size: 1.3rem;
    font-weight: 700;
}

/* 核心优势 */
.advantages-section { margin: 40px 0; }

.section-title { 
    text-align: center; 
    font-size: 2rem; 
    color: white; 
    margin-bottom: 30px; 
    font-weight: 800;
    letter-spacing: -1px;
}

.section-title:after {
    content: ''; 
    display: block; 
    width: 80px; 
    height: 4px;
    background: linear-gradient(to right, #4f46e5, #ec4899);
    margin: 15px auto 0; 
    border-radius: 4px;
}

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

.advantage-card {
    background: rgba(30, 41, 59, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 25px 20px; 
    border-radius: 24px;
    text-align: center; 
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
}

.advantage-card::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 24px;
    padding: 2px;
    background: linear-gradient(145deg, rgba(79, 70, 229, 0.5), rgba(236, 72, 153, 0.3));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

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

.advantage-card:hover {
    transform: translateY(-5px) scale(1.01);
    box-shadow: 0 30px 45px -12px rgba(79, 70, 229, 0.4);
}

.advantage-icon { 
    font-size: 3rem; 
    margin-bottom: 15px; 
    filter: drop-shadow(0 0 15px rgba(79, 70, 229, 0.5));
}

.advantage-card h4 { 
    font-size: 1.3rem; 
    color: white; 
    margin-bottom: 10px;
    font-weight: 700;
}

.advantage-card p { 
    color: #cbd5e1; 
    font-size: 0.9rem;
    line-height: 1.6;
}

/* 收入来源部分 */
.income-section { 
    background: rgba(30, 41, 59, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 30px 20px; 
    border-radius: 28px;
    margin: 40px 0; 
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.income-grid { 
    display: grid; 
    grid-template-columns: 1fr; 
    gap: 15px; 
}

.income-item {
    background: rgba(30, 41, 59, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 20px 16px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.4s ease;
    display: flex;
    flex-direction: column;
    position: relative;
}

.income-item::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 20px;
    padding: 2px;
    background: linear-gradient(145deg, rgba(79, 70, 229, 0.5), rgba(236, 72, 153, 0.3));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.income-item:hover::after {
    opacity: 1;
}

.income-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 35px -10px rgba(79, 70, 229, 0.4);
}

.income-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.income-icon { 
    font-size: 2.2rem; 
    filter: drop-shadow(0 0 10px rgba(79, 70, 229, 0.5));
}

.income-name { 
    font-weight: 800; 
    color: white; 
    font-size: 1.1rem; 
}

.income-desc { 
    color: #cbd5e1; 
    font-size: 0.85rem; 
    line-height: 1.6;
    margin-bottom: 15px;
    flex-grow: 1;
}

.income-amount {
    display: inline-block;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(5, 150, 105, 0.15));
    color: #34d399;
    font-weight: 700;
    font-size: 1rem;
    padding: 8px 12px;
    border-radius: 14px;
    border: 1px solid rgba(16, 185, 129, 0.3);
    text-align: center;
    margin-top: auto;
    backdrop-filter: blur(4px);
    width: 100%;
}

/* 汇率提示 */
.exchange-note {
    text-align: center; 
    padding: 20px; 
    background: rgba(79, 70, 229, 0.15);
    border-radius: 16px; 
    margin-top: 25px; 
    border: 1px solid rgba(79, 70, 229, 0.3);
    backdrop-filter: blur(8px);
}

.exchange-note p {
    color: #a5b4fc;
    font-weight: 600;
    font-size: 1rem;
}

/* 主播要求与提现规则卡片 */
.requirements-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 40px;
}

.requirement-card {
    background: rgba(30, 41, 59, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 25px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.4s ease;
}

.requirement-card h4 { 
    font-size: 1.4rem; 
    color: white; 
    margin-bottom: 15px;
    font-weight: 700;
}

.requirement-card ul { 
    padding-left: 20px; 
    color: #cbd5e1; 
}

.requirement-card li { 
    margin-bottom: 8px;
    font-size: 0.95rem;
}

/* 表格样式 */
.tier-table, .bonus-table { 
    width: 100%; 
    border-collapse: collapse; 
    margin: 15px 0; 
    font-size: 0.9rem; 
    border-radius: 14px;
    overflow: hidden;
}

.tier-table th, .tier-table td, 
.bonus-table th, .bonus-table td { 
    padding: 12px 10px; 
    text-align: left; 
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.tier-table th, .bonus-table th { 
    background-color: #4f46e5; 
    color: white; 
    font-weight: 600; 
    font-size: 0.9rem;
}

.tier-table tr:last-child td, .bonus-table tr:last-child td { 
    border-bottom: none; 
}

.tier-table tr.current-tier { 
    background: rgba(79, 70, 229, 0.2); 
    font-weight: bold; 
}

.tier-table td, .bonus-table td {
    color: #cbd5e1;
}

.tier-badge { 
    background: #10b981; 
    color: white; 
    padding: 3px 8px; 
    border-radius: 20px; 
    font-size: 0.7rem; 
    margin-left: 8px;
    display: inline-block;
}

.country-flag { 
    font-size: 1.1rem; 
    margin-right: 6px; 
}

/* 计算器盒子 */
.calc-box, .case-study, .highlight-box {
    background: rgba(79, 70, 229, 0.15);
    padding: 22px; 
    border-radius: 20px;
    border: 1px solid rgba(79, 70, 229, 0.3);
    margin: 20px 0;
    backdrop-filter: blur(8px);
}

.calc-box h4, .case-study h4, .highlight-box h4 { 
    color: #a5b4fc; 
    margin-bottom: 15px; 
    font-size: 1.2rem;
    font-weight: 700;
}

.calc-input { 
    width: 100%; 
    padding: 12px; 
    margin: 12px 0; 
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px; 
    color: white;
    font-size: 0.95rem;
}

.calc-input:focus {
    outline: none;
    border-color: #4f46e5;
}

.calc-result { 
    font-size: 1.6rem; 
    color: #34d399; 
    font-weight: bold; 
    text-align: center; 
    margin: 15px 0; 
}

/* 示例盒子 */
.example-box {
    background: rgba(255,255,255,0.03);
    padding: 20px;
    border-radius: 16px;
    margin: 20px 0;
    border-left: 4px solid #10b981;
}

.example-box h4 {
    color: white;
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.example-box ul, .example-box ol {
    color: #cbd5e1;
    padding-left: 20px;
    font-size: 0.9rem;
}

.example-box li {
    margin-bottom: 6px;
}

.highlight-text, .highlight {
    color: #34d399;
    font-weight: bold;
}

/* 路径图 */
.path-diagram { 
    display: flex; 
    flex-direction: column; 
    align-items: center; 
    margin: 20px 0; 
    padding: 16px; 
    background: rgba(255,255,255,0.03);
    border-radius: 18px;
    border: 1px solid rgba(255,255,255,0.05);
}

.path-step { 
    display: flex; 
    align-items: center; 
    margin: 8px 0; 
    padding: 16px; 
    background: rgba(30, 41, 59, 0.5);
    border-radius: 14px; 
    width: 100%;
    border: 1px solid rgba(255,255,255,0.05);
}

.step-number { 
    background: #4f46e5; 
    color: white; 
    width: 32px; 
    height: 32px;
    border-radius: 50%; 
    display: flex; 
    align-items: center; 
    justify-content: center;
    margin-right: 15px; 
    font-weight: bold;
    font-size: 1.1rem;
    flex-shrink: 0;
    box-shadow: 0 0 15px rgba(79, 70, 229, 0.5);
}

.path-step strong {
    color: white;
    font-size: 1rem;
}

.path-step p {
    color: #cbd5e1;
    margin-top: 4px;
    font-size: 0.85rem;
}

/* 双重收益 */
.double-benefit {
    display: grid; 
    grid-template-columns: 1fr; 
    gap: 15px; 
    margin: 20px 0;
}

.benefit-card { 
    background: rgba(255,255,255,0.03);
    padding: 20px; 
    border-radius: 16px; 
    text-align: center; 
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.3s ease;
}

.benefit-card:hover {
    border-color: #4f46e5;
    transform: translateY(-3px);
}

.benefit-card.highlight { 
    border-color: #10b981; 
    background: rgba(16, 185, 129, 0.1);
}

.benefit-icon { 
    font-size: 2.2rem; 
    margin-bottom: 12px;
    filter: drop-shadow(0 0 10px rgba(79, 70, 229, 0.5));
}

.benefit-title { 
    font-weight: bold; 
    margin: 10px 0 8px; 
    color: white;
    font-size: 1.1rem;
}

.benefit-card p {
    color: #cbd5e1;
    font-size: 0.85rem;
    line-height: 1.5;
}

.benefit-card .highlight-number {
    font-size: 2rem;
    font-weight: bold;
    color: #34d399;
    margin: 10px 0;
}

/* 激励网格 (用于regional) */
.incentive-grid { 
    display: grid; 
    grid-template-columns: repeat(2, 1fr);
    gap: 8px; 
    margin: 20px 0; 
}

.incentive-box { 
    background: rgba(255,255,255,0.03);
    padding: 12px 5px;
    border-radius: 14px; 
    text-align: center; 
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.3s ease;
}

.incentive-box:hover {
    border-color: #4f46e5;
    transform: translateY(-2px);
}

.incentive-box.highlight { 
    border-color: #f59e0b; 
    background: rgba(245, 158, 11, 0.1);
}

.incentive-percent { 
    font-size: 1.4rem; 
    font-weight: bold; 
    color: #a5b4fc; 
    line-height: 1.2;
    margin: 5px 0;
}

.incentive-box.highlight .incentive-percent { 
    color: #fbbf24; 
}

.country-flag { 
    font-size: 1.6rem; 
    margin-bottom: 4px; 
    filter: drop-shadow(0 0 8px rgba(79, 70, 229, 0.5));
}

.incentive-box p { 
    margin: 3px 0 0; 
    font-size: 0.75rem; 
    color: #cbd5e1;
}

.incentive-box p strong {
    font-size: 0.8rem;
    color: white;
}

/* 反作弊声明 */
.anti-cheat-notice {
    margin: 30px 0 15px;
    padding: 15px 20px;
    background: rgba(185, 28, 28, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 40px;
    color: #fecaca;
    font-weight: 500;
    text-align: center;
    backdrop-filter: blur(8px);
    font-size: 0.95rem;
    letter-spacing: 0.3px;
}

.anti-cheat-notice strong {
    color: #f87171;
    font-weight: 800;
}

/* 版权声明 */
.copyright-notice {
    color: #64748b;
    font-size: 0.8rem;
    text-align: center;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.05);
}

/* 底部操作栏 */
.bottom-actions, .bottom-cta, .bottom-nav {
    position: fixed; 
    bottom: 0; 
    left: 0; 
    width: 100%;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid rgba(79, 70, 229, 0.3);
    padding: 12px 20px;
    display: flex; 
    flex-direction: column;
    gap: 10px;
    box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.3);
    z-index: 999;
}

.apply-btn {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white; 
    padding: 14px 20px; 
    border-radius: 50px;
    text-decoration: none; 
    font-weight: 700; 
    font-size: 1rem;
    box-shadow: 0 10px 25px rgba(16, 185, 129, 0.3); 
    width: 100%;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.2);
    transition: all 0.3s ease;
}

.lang-select, .lang-btn {
    padding: 12px 16px; 
    border-radius: 40px; 
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.05);
    color: #e2e8f0; 
    font-weight: 500; 
    font-size: 0.9rem; 
    cursor: pointer;
    backdrop-filter: blur(4px);
    width: 100%;
    margin-left: 0 !important;
}

.lang-select option, .lang-btn option {
    background-color: #1e293b;
    color: #ffffff;
}

.lang-select:hover, .lang-btn:hover {
    background: rgba(79, 70, 229, 0.2);
    border-color: #4f46e5;
}

.nav-link { 
    color: #a5b4fc; 
    text-decoration: none; 
    font-weight: 500;
    padding: 10px 12px;
    border-radius: 40px;
    transition: all 0.3s ease;
    text-align: center;
    font-size: 0.9rem;
    display: block;
}

.nav-link:hover {
    background: rgba(79, 70, 229, 0.2);
    color: white;
}

/* 底部导航网格 */
.bottom-nav {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

/* 页脚注释 */
.footnote { 
    font-size: 0.8rem; 
    color: #94a3b8; 
    margin-top: 10px; 
}

/* 列表样式 */
ul, ol {
    color: #cbd5e1;
    padding-left: 18px;
    font-size: 0.9rem;
}

li {
    margin-bottom: 6px;
}

/* RTL 专用样式 - 阿拉伯语从右向左 */
html[dir="rtl"] {
    direction: rtl;
    text-align: right;
}

html[dir="rtl"] .nav-menu {
    flex-direction: row-reverse;
}

html[dir="rtl"] .nav-menu a {
    margin-left: 0;
    margin-right: 8px;
}

html[dir="rtl"] .policy-card h3,
html[dir="rtl"] .income-header,
html[dir="rtl"] .path-step {
    flex-direction: row-reverse;
}

html[dir="rtl"] .tag {
    margin-right: 0;
    margin-left: 8px;
}

html[dir="rtl"] .card-cta {
    align-self: flex-end;
}

html[dir="rtl"] .card-cta:hover {
    transform: translateX(-5px);
}

html[dir="rtl"] .back-btn {
    transform: scaleX(-1);
    margin-right: 0;
    margin-left: 15px;
}

html[dir="rtl"] .back-btn:hover {
    transform: scaleX(-1) translateX(3px);
}

html[dir="rtl"] .tier-table th,
html[dir="rtl"] .tier-table td,
html[dir="rtl"] .bonus-table th,
html[dir="rtl"] .bonus-table td {
    text-align: right;
}

html[dir="rtl"] .tier-badge,
html[dir="rtl"] .country-flag {
    margin-left: 0;
    margin-right: 8px;
}

html[dir="rtl"] .example-box {
    border-left: none;
    border-right: 4px solid #10b981;
}

html[dir="rtl"] .step-number {
    margin-right: 0;
    margin-left: 15px;
}

html[dir="rtl"] ul,
html[dir="rtl"] ol {
    padding-right: 18px;
    padding-left: 0;
}

/* ========== 桌面端布局优化 (≥1024px) ========== */
@media (min-width: 1024px) {
    /* 导航栏优化 */
    .fixed-nav {
        padding: 16px 32px;
    }
    
    .nav-menu a {
        padding: 8px 20px;
        font-size: 0.95rem;
    }
    
    .nav-menu a:hover {
        transform: translateY(-1px);
    }
    
    /* 顶部banner优化 */
    .hero-banner, .top-hero {
        padding: 120px 20px 80px;
    }
    
    .hero-banner h1, .hero-title {
        font-size: 3.2rem;
        margin-bottom: 20px;
    }
    
    .hero-banner p, .hero-subtitle {
        font-size: 1.3rem;
        max-width: 900px;
    }
    
    .hero-highlight {
        padding: 15px 35px;
        font-size: 1.2rem;
        margin-top: 20px;
    }
    
    /* 主内容区 */
    .main-content {
        padding: 30px 32px 120px;
        max-width: 1400px;
        margin: 0 auto;
    }
    
    /* 网格布局优化 */
    .advantages-grid,
    .income-grid,
    .policy-cards {
        grid-template-columns: repeat(4, 1fr);
        gap: 28px;
    }
    
    /* 卡片悬停效果增强 */
    .policy-card:hover,
    .advantage-card:hover,
    .income-item:hover,
    .intro-card:hover {
        transform: translateY(-8px) scale(1.02);
        box-shadow: 0 35px 50px -15px rgba(79, 70, 229, 0.5);
    }
    
    /* 底部操作栏优化 - 桌面端铺满一行 */
    .bottom-actions, .bottom-cta {
        flex-direction: row;
        padding: 18px 40px;
        gap: 30px;
        justify-content: flex-end;
        align-items: center;
        background: rgba(15, 23, 42, 0.95);
        border-top: 1px solid rgba(79, 70, 229, 0.4);
        box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.4);
        width: 100%;
        display: flex;
    }
    
    .apply-btn {
        width: auto;
        padding: 16px 48px;
        font-size: 1.2rem;
        flex: 1 1 auto;
        margin-right: auto;
        max-width: none;
        min-width: 300px;
        letter-spacing: 1px;
        box-shadow: 0 10px 25px rgba(16, 185, 129, 0.4);
        border: 1px solid rgba(255, 255, 255, 0.15);
        font-weight: 700;
        transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        text-align: center;
        white-space: nowrap;
    }
    
    .apply-btn:hover {
        transform: translateY(-3px) scale(1.02);
        box-shadow: 0 20px 35px rgba(16, 185, 129, 0.5);
        background: linear-gradient(135deg, #059669 0%, #10b981 100%);
    }
    
    .lang-select, .lang-btn {
        width: auto;
        min-width: 200px;
        padding: 16px 24px;
        font-size: 1rem;
        flex: 0 0 auto;
        border: 1px solid rgba(255, 255, 255, 0.15);
        background: rgba(255, 255, 255, 0.08);
        cursor: pointer;
        transition: all 0.3s ease;
        appearance: none;
        background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="%23a5b4fc" stroke-width="2"><polyline points="6 9 12 15 18 9"/></svg>');
        background-repeat: no-repeat;
        background-position: right 16px center;
        background-size: 14px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .lang-select:hover, .lang-btn:hover {
        background: rgba(79, 70, 229, 0.25);
        border-color: #4f46e5;
        transform: translateY(-2px);
    }
    
    /* 底部导航 */
    .bottom-nav {
        display: flex;
        flex-direction: row;
        justify-content: center;
        padding: 16px 32px;
        gap: 20px;
    }
    
    .nav-link {
        display: inline-block;
        padding: 10px 24px;
        font-size: 0.95rem;
        transition: all 0.3s ease;
    }
    
    .nav-link:hover {
        transform: translateY(-2px);
        box-shadow: 0 5px 15px rgba(79, 70, 229, 0.3);
    }
    
    /* 收入卡片优化 */
    .income-item {
        padding: 24px 20px;
    }
    
    .income-icon {
        font-size: 2.5rem;
    }
    
    .income-name {
        font-size: 1.2rem;
    }
    
    .income-amount {
        font-size: 1.1rem;
        padding: 10px 15px;
    }
    
    /* 表格优化 */
    .tier-table, .bonus-table {
        font-size: 1rem;
    }
    
    .tier-table th, .tier-table td,
    .bonus-table th, .bonus-table td {
        padding: 15px 12px;
    }
    
    /* 计算器盒子 */
    .calc-box, .case-study, .highlight-box {
        padding: 30px;
    }
    
    .calc-box h4, .case-study h4 {
        font-size: 1.4rem;
    }
    
    .calc-input {
        padding: 15px;
        font-size: 1rem;
    }
    
    .calc-result {
        font-size: 2rem;
    }
    
    /* 激励网格 */
    .incentive-grid {
        gap: 15px;
    }
    
    .incentive-box {
        padding: 20px 10px;
    }
    
    .incentive-percent {
        font-size: 1.8rem;
    }
    
    .country-flag {
        font-size: 2rem;
    }
    
    /* 双重收益卡片 */
    .double-benefit {
        gap: 25px;
    }
    
    .benefit-card {
        padding: 30px 25px;
    }
    
    .benefit-icon {
        font-size: 2.8rem;
    }
    
    .benefit-title {
        font-size: 1.3rem;
    }
    
    .benefit-card .highlight-number {
        font-size: 2.5rem;
    }
    
    /* 反作弊声明 */
    .anti-cheat-notice {
        margin: 50px 0 25px;
        padding: 20px 35px;
        font-size: 1.1rem;
        border-radius: 60px;
    }
}

/* ========== 平板端布局优化 (640px - 1023px) ========== */
@media (min-width: 640px) and (max-width: 1023px) {
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .income-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .policy-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .incentive-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 12px;
    }
    
    .double-benefit {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .requirements-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .intro-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .hero-banner, .top-hero {
        padding: 100px 20px 60px;
    }
    
    .hero-banner h1, .hero-title {
        font-size: 2.8rem;
    }
    
    /* 底部操作栏优化 */
    .bottom-actions, .bottom-cta {
        flex-direction: row;
        padding: 14px 25px;
        gap: 20px;
    }
    
    .apply-btn {
        width: auto;
        padding: 14px 30px;
        font-size: 1rem;
        flex: 1;
    }
    
    .lang-select, .lang-btn {
        width: auto;
        min-width: 160px;
        padding: 14px 18px;
        flex: 0 0 auto;
    }
}

/* ========== 移动端优化 (≤639px) ========== */
@media (max-width: 639px) {
    /* 导航栏优化 - 更紧凑 */
    .fixed-nav {
        padding: 6px 10px;
        background: rgba(15, 23, 42, 0.95);
    }
    
    .nav-logo {
        font-size: 1rem;
    }
    
    .nav-menu {
        gap: 2px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        padding-bottom: 2px;
        flex-wrap: nowrap;
    }
    
    .nav-menu::-webkit-scrollbar {
        display: none;
    }
    
    .nav-menu a {
        padding: 4px 8px;
        font-size: 0.7rem;
    }
    
    /* 顶部栏优化 */
    .top-bar {
        padding: 8px 12px;
        background: rgba(15, 23, 42, 0.98);
    }
    
    .back-btn {
        font-size: 1.4rem;
        margin-right: 10px;
    }
    
    .top-bar h1 {
        font-size: 1rem;
    }
    
    /* 为固定导航栏留出足够的空间 - 修复顶部遮挡问题 */
    .hero-banner, .top-hero {
        padding: 80px 12px 40px;
        margin-bottom: 15px;
    }
    
    .hero-banner h1, .hero-title {
        font-size: 1.6rem;
        margin-bottom: 10px;
    }
    
    .hero-banner p, .hero-subtitle {
        font-size: 0.85rem;
        margin-bottom: 12px;
    }
    
    .hero-highlight {
        padding: 8px 16px;
        font-size: 0.8rem;
        margin-top: 5px;
    }
    
    /* 主内容区 - 确保不被底部导航栏遮挡 */
    .main-content {
        padding: 10px 12px 100px;
    }
    
    /* 详情页顶部留更多空间 */
    .main-content:first-of-type {
        margin-top: 50px;
    }
    
    /* 介绍卡片 */
    .intro-cards {
        margin: -25px 12px 25px;
        padding: 0;
        gap: 12px;
    }
    
    .intro-card {
        padding: 18px;
    }
    
    .intro-icon {
        font-size: 2.2rem;
        margin-bottom: 10px;
    }
    
    .intro-card h3 {
        font-size: 1.2rem;
        margin-bottom: 10px;
    }
    
    .intro-card p {
        font-size: 0.8rem;
        margin-bottom: 15px;
        line-height: 1.5;
    }
    
    .stats-grid {
        gap: 8px;
    }
    
    .stat-item {
        padding: 10px;
    }
    
    .stat-number {
        font-size: 1.3rem;
    }
    
    .stat-label {
        font-size: 0.7rem;
    }
    
    .section-title {
        font-size: 1.5rem;
        margin-bottom: 20px;
    }
    
    .section-title:after {
        width: 60px;
        height: 3px;
        margin: 10px auto 0;
    }
    
    .advantages-grid {
        gap: 15px;
    }
    
    .advantage-card {
        padding: 18px 15px;
    }
    
    .advantage-icon {
        font-size: 2.2rem;
        margin-bottom: 10px;
    }
    
    .advantage-card h4 {
        font-size: 1.1rem;
    }
    
    .advantage-card p {
        font-size: 0.8rem;
    }
    
    /* 收入来源部分 */
    .income-section {
        padding: 20px 12px;
        margin: 25px 0;
        border-radius: 20px;
    }
    
    .income-grid {
        gap: 10px;
    }
    
    .income-item {
        padding: 15px 12px;
    }
    
    .income-header {
        gap: 8px;
        margin-bottom: 8px;
    }
    
    .income-icon {
        font-size: 1.8rem;
    }
    
    .income-name {
        font-size: 0.95rem;
    }
    
    .income-desc {
        font-size: 0.75rem;
        margin-bottom: 10px;
    }
    
    .income-amount {
        font-size: 0.85rem;
        padding: 6px 8px;
        border-radius: 12px;
    }
    
    .exchange-note {
        padding: 15px;
        margin-top: 15px;
    }
    
    .exchange-note p {
        font-size: 0.85rem;
    }
    
    /* 政策卡片 */
    .policy-cards {
        gap: 15px;
        margin: 20px 0;
    }
    
    .policy-card {
        padding: 16px 14px;
    }
    
    .policy-card h3 {
        font-size: 1.2rem;
        gap: 6px;
        margin-bottom: 10px;
    }
    
    .policy-card .icon {
        font-size: 1.5rem;
    }
    
    .policy-card p {
        font-size: 0.8rem;
        margin-bottom: 8px;
    }
    
    .policy-card .tag {
        padding: 3px 7px;
        font-size: 0.65rem;
        margin-right: 3px;
        margin-bottom: 3px;
    }
    
    .card-cta {
        font-size: 0.8rem;
        margin-top: 10px;
    }
    
    /* 信息卡片 */
    .info-card {
        padding: 16px;
        margin-bottom: 15px;
    }
    
    .info-card h3 {
        font-size: 1.2rem;
        margin-bottom: 12px;
        padding-bottom: 8px;
    }
    
    .info-card p {
        font-size: 0.8rem;
    }
    
    /* 表格 */
    .tier-table, .bonus-table {
        font-size: 0.7rem;
        margin: 10px 0;
    }
    
    .tier-table th, .tier-table td,
    .bonus-table th, .bonus-table td {
        padding: 8px 5px;
    }
    
    .tier-table th, .bonus-table th {
        font-size: 0.7rem;
    }
    
    .tier-badge {
        padding: 2px 5px;
        font-size: 0.6rem;
        margin-left: 3px;
    }
    
    .country-flag {
        font-size: 0.9rem;
        margin-right: 3px;
    }
    
    /* 计算器 */
    .calc-box, .case-study, .highlight-box {
        padding: 16px;
        margin: 15px 0;
    }
    
    .calc-box h4, .case-study h4 {
        font-size: 1.1rem;
        margin-bottom: 10px;
    }
    
    .calc-input {
        padding: 10px;
        font-size: 0.85rem;
        margin: 8px 0;
    }
    
    .calc-result {
        font-size: 1.4rem;
        margin: 10px 0;
    }
    
    /* 示例盒子 */
    .example-box {
        padding: 15px;
        margin: 15px 0;
    }
    
    .example-box h4 {
        font-size: 0.95rem;
        margin-bottom: 8px;
    }
    
    .example-box ul, .example-box ol {
        font-size: 0.75rem;
        padding-left: 15px;
    }
    
    .example-box li {
        margin-bottom: 4px;
    }
    
    /* 路径图 */
    .path-diagram {
        padding: 12px;
        margin: 15px 0;
    }
    
    .path-step {
        padding: 12px;
        margin: 5px 0;
        flex-direction: column;
        text-align: center;
    }
    
    .step-number {
        margin-right: 0;
        margin-bottom: 8px;
        width: 28px;
        height: 28px;
        font-size: 1rem;
    }
    
    .path-step strong {
        font-size: 0.9rem;
    }
    
    .path-step p {
        font-size: 0.75rem;
    }
    
    /* 双重收益 */
    .double-benefit {
        gap: 10px;
        margin: 15px 0;
    }
    
    .benefit-card {
        padding: 15px;
    }
    
    .benefit-icon {
        font-size: 1.8rem;
        margin-bottom: 8px;
    }
    
    .benefit-title {
        font-size: 0.95rem;
        margin: 6px 0;
    }
    
    .benefit-card p {
        font-size: 0.75rem;
    }
    
    .benefit-card .highlight-number {
        font-size: 1.6rem;
        margin: 6px 0;
    }
    
    /* 激励网格 */
    .incentive-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 6px;
        margin: 15px 0;
    }
    
    .incentive-box {
        padding: 8px 4px;
    }
    
    .incentive-percent {
        font-size: 1.2rem;
    }
    
    .country-flag {
        font-size: 1.4rem;
    }
    
    .incentive-box p {
        font-size: 0.7rem;
    }
    
    .incentive-box p strong {
        font-size: 0.7rem;
    }
    
    /* 反作弊声明 */
    .anti-cheat-notice {
        margin: 20px 0 10px;
        padding: 12px 15px;
        font-size: 0.8rem;
        border-radius: 30px;
    }
    
    /* 要求卡片 */
    .requirements-grid {
        gap: 15px;
        margin-top: 25px;
    }
    
    .requirement-card {
        padding: 16px;
    }
    
    .requirement-card h4 {
        font-size: 1.1rem;
        margin-bottom: 10px;
    }
    
    .requirement-card li {
        font-size: 0.8rem;
        margin-bottom: 5px;
    }
    
    .copyright-notice {
        font-size: 0.65rem;
        margin-top: 15px;
        padding-top: 12px;
    }
    
    /* 底部操作栏 */
    .bottom-actions, .bottom-cta, .bottom-nav {
        padding: 8px 12px;
        gap: 6px;
    }
    
    .apply-btn {
        padding: 10px 14px;
        font-size: 0.9rem;
    }
    
    .lang-select, .lang-btn {
        padding: 8px 12px;
        font-size: 0.8rem;
        background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="%23a5b4fc" stroke-width="2"><polyline points="6 9 12 15 18 9"/></svg>');
        background-repeat: no-repeat;
        background-position: right 10px center;
        background-size: 10px;
    }
    
    .bottom-nav {
        grid-template-columns: repeat(2, 1fr);
        gap: 4px;
    }
    
    .nav-link {
        padding: 8px 8px;
        font-size: 0.75rem;
    }
    
    .footnote {
        font-size: 0.7rem;
    }
    
    ul, ol {
        font-size: 0.8rem;
        padding-left: 15px;
    }
    
    li {
        margin-bottom: 4px;
    }
    
    /* RTL 适配 */
    html[dir="rtl"] .path-step {
        flex-direction: column;
    }
    
    html[dir="rtl"] .step-number {
        margin-left: 0;
        margin-bottom: 8px;
    }
    
    html[dir="rtl"] .back-btn {
        margin-left: 8px;
    }
}

/* 超小屏优化 - 屏幕宽度小于 360px */
@media (max-width: 359px) {
    .hero-banner, .top-hero {
        padding: 75px 8px 35px;
    }
    
    .hero-banner h1, .hero-title {
        font-size: 1.4rem;
    }
    
    .hero-banner p, .hero-subtitle {
        font-size: 0.75rem;
    }
    
    .hero-highlight {
        padding: 6px 12px;
        font-size: 0.7rem;
    }
    
    .nav-logo {
        font-size: 0.9rem;
    }
    
    .nav-menu a {
        padding: 3px 6px;
        font-size: 0.65rem;
    }
    
    .intro-card h3 {
        font-size: 1.1rem;
    }
    
    .stat-number {
        font-size: 1.1rem;
    }
    
    .income-item {
        padding: 12px 8px;
    }
    
    .income-name {
        font-size: 0.85rem;
    }
    
    .policy-card h3 {
        font-size: 1.1rem;
    }
    
    .tier-table, .bonus-table {
        font-size: 0.6rem;
    }
    
    .tier-table th, .tier-table td,
    .bonus-table th, .bonus-table td {
        padding: 5px 3px;
    }
    
    .bottom-nav {
        grid-template-columns: 1fr;
    }
    
    .nav-link {
        padding: 6px;
    }
    
    .apply-btn {
        padding: 8px 12px;
        font-size: 0.8rem;
    }
    
    .lang-select, .lang-btn {
        padding: 8px 10px;
        font-size: 0.7rem;
    }
}

/* Safari specific fix */
@supports (-webkit-touch-callout: none) {
    .fixed-nav.scrolled {
        background: rgba(15, 23, 42, 0.98);
    }
}