/* index10 统一高转化聚合支付落地页 - Claude.ai 柔和清爽极简设计风格 */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Noto+Serif+SC:wght@500;600;700&display=swap');

:root {
    --claude-bg: #FAF8F5;
    --claude-bg-alt: #F3EFEA;
    --claude-card: #FFFFFF;
    --claude-dark: #1F1E1D;
    --claude-dark-hover: #33312E;
    --claude-accent: #D97757;
    --claude-accent-hover: #C56546;
    --claude-accent-light: #F7EBE6;
    --claude-border: #E8E3DA;
    --claude-border-hover: #D5CFB5;
    --text-primary: #1F1E1D;
    --text-secondary: #66635D;
    --text-muted: #8C877D;
    --card-shadow: 0 4px 20px -2px rgba(31, 30, 29, 0.05);
    --card-shadow-hover: 0 12px 32px -4px rgba(31, 30, 29, 0.08);
}

body.index10-body {
    font-family: 'Plus Jakarta Sans', 'PingFang SC', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-primary);
    background-color: var(--claude-bg);
    overflow-x: hidden;
    line-height: 1.6;
}

/* 导航栏 */
.index10-header {
    background: rgba(250, 248, 245, 0.88);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--claude-border);
    padding: 14px 0;
    transition: all 0.3s ease;
}

.index10-header .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--claude-dark) !important;
    font-weight: 800;
    font-size: 19px;
    letter-spacing: -0.3px;
    text-decoration: none !important;
}

.index10-header .logo-icon {
    width: 34px;
    height: 34px;
    background: var(--claude-dark);
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--claude-accent);
    font-size: 16px;
    box-shadow: 0 2px 8px rgba(31, 30, 29, 0.12);
}

.index10-header .nav > li > a {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
    padding: 10px 16px;
    transition: all 0.2s ease;
    border-radius: 8px;
}

.index10-header .nav > li > a:hover,
.index10-header .nav > li.active > a {
    color: var(--claude-dark);
    background: rgba(31, 30, 29, 0.04);
}

.btn-group-nav {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: 20px;
}

.btn-login {
    background: var(--claude-bg-alt);
    color: var(--claude-dark) !important;
    border: 1px solid var(--claude-border);
    border-radius: 10px;
    padding: 8px 18px;
    font-size: 13px;
    font-weight: 600;
    transition: all 0.2s ease;
}

.btn-login:hover {
    background: #E8E3DA;
    border-color: #D5CFB5;
}

.btn-reg {
    background: var(--claude-dark);
    color: #FAF8F5 !important;
    border: none;
    border-radius: 10px;
    padding: 8px 20px;
    font-size: 13px;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(31, 30, 29, 0.15);
    transition: all 0.2s ease;
}

.btn-reg:hover {
    background: var(--claude-dark-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(31, 30, 29, 0.2);
}

/* HERO 区 - Claude 柔和米色与温暖气场 */
.hero-section {
    position: relative;
    background: var(--claude-bg);
    background: radial-gradient(circle at 50% 20%, #F5ECE0 0%, #FAF8F5 70%);
    padding: 150px 0 100px;
    overflow: hidden;
}

.particles-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.4;
    pointer-events: none;
}

.hero-container {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--claude-accent-light);
    border: 1px solid rgba(217, 119, 87, 0.25);
    color: var(--claude-accent);
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-title {
    color: var(--claude-dark);
    font-size: 46px;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.text-gradient {
    color: var(--claude-accent);
    background: linear-gradient(135deg, #D97757 0%, #B84A2A 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 580px;
}

.hero-actions {
    display: flex;
    gap: 14px;
    margin-bottom: 32px;
}

.btn-hero-primary {
    background: var(--claude-dark);
    color: #FAF8F5 !important;
    font-weight: 700;
    padding: 14px 32px;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(31, 30, 29, 0.18);
    transition: all 0.25 ease;
}

.btn-hero-primary:hover {
    background: var(--claude-dark-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(31, 30, 29, 0.25);
    color: #FAF8F5 !important;
}

.btn-hero-outline {
    background: var(--claude-bg-alt);
    border: 1px solid var(--claude-border);
    color: var(--claude-dark) !important;
    font-weight: 600;
    padding: 14px 28px;
    border-radius: 12px;
    transition: all 0.2s ease;
}

.btn-hero-outline:hover {
    background: #E8E3DA;
    border-color: #D5CFB5;
}

.hero-trust-tags {
    display: flex;
    gap: 20px;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 500;
}

.hero-trust-tags span i {
    color: var(--claude-accent);
    margin-right: 6px;
}

/* Claude 风格优雅代码卡片 */
.isometric-card-wrapper {
    position: relative;
    perspective: 1000px;
}

.isometric-card {
    background: #181716;
    border: 1px solid #2D2B28;
    border-radius: 16px;
    box-shadow: 0 20px 40px -10px rgba(31, 30, 29, 0.25);
    overflow: hidden;
    transform: rotateY(-5deg) rotateX(4deg);
    transition: all 0.4s ease;
}

.isometric-card:hover {
    transform: rotateY(0deg) rotateX(0deg);
}

.card-header-bar {
    background: #232120;
    border-bottom: 1px solid #2D2B28;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.dot.red { background: #E55B5B; }
.dot.yellow { background: #E5A85B; }
.dot.green { background: #5BE582; }

.card-title-text {
    color: #8C877D;
    font-size: 12px;
    font-family: monospace;
    margin-left: auto;
}

.code-box {
    background: transparent;
    border: none;
    color: #E6E2DA;
    padding: 22px;
    text-align: left;
    margin: 0;
}

.code-box code {
    font-family: 'Fira Code', Consolas, Monaco, monospace;
    font-size: 13px;
    line-height: 1.65;
}

.font-purple { color: #C084FC; }
.font-blue { color: #7DD3FC; }
.font-green { color: #86EFAC; }
.font-gray { color: #8C877D; }
.font-orange { color: #D97757; }

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    line-height: 0;
    z-index: 2;
}

.hero-wave svg path {
    fill: var(--claude-bg-alt);
}

/* 数据统计条 - Claude 极简卡片 */
.stats-section {
    background: var(--claude-bg-alt);
    padding: 20px 0 60px;
    position: relative;
    z-index: 10;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    background: var(--claude-card);
    padding: 32px;
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--claude-border);
}

.stat-item {
    text-align: center;
    padding: 0 10px;
}

.stat-icon {
    font-size: 22px;
    color: var(--claude-accent);
    margin-bottom: 8px;
}

.stat-num {
    font-size: 30px;
    font-weight: 800;
    color: var(--claude-dark);
    letter-spacing: -0.5px;
}

.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* 支付通道区 - Claude 柔和清爽展示 */
.channels-section {
    padding: 90px 0;
    background: var(--claude-bg-alt);
}

.section-title-box {
    margin-bottom: 50px;
}

.sub-title {
    color: var(--claude-accent);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.section-title-box h2 {
    font-size: 34px;
    font-weight: 800;
    color: var(--claude-dark);
    margin-top: 8px;
    letter-spacing: -0.5px;
}

.channel-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.channel-card {
    background: var(--claude-card);
    border-radius: 18px;
    padding: 32px 24px;
    border: 1px solid var(--claude-border);
    transition: all 0.3s ease;
    box-shadow: var(--card-shadow);
}

.channel-card:hover {
    transform: translateY(-4px);
    border-color: var(--claude-accent);
    box-shadow: var(--card-shadow-hover);
}

.channel-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--claude-accent-light);
    color: var(--claude-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 20px;
}

.channel-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--claude-dark);
    margin-bottom: 10px;
}

.channel-card p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.channel-card .tag {
    display: inline-block;
    background: var(--claude-bg-alt);
    color: var(--claude-dark);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
    border: 1px solid var(--claude-border);
}

/* 核心优势 */
.features-section {
    padding: 90px 0;
    background: var(--claude-bg);
}

.feature-list {
    list-style: none;
    padding: 0;
    margin-top: 30px;
}

.feature-list li {
    display: flex;
    gap: 20px;
    margin-bottom: 28px;
}

.feature-list .icon-box {
    width: 44px;
    height: 44px;
    background: var(--claude-bg-alt);
    border: 1px solid var(--claude-border);
    color: var(--claude-accent);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.feature-list .text-box h4 {
    font-size: 17px;
    font-weight: 700;
    color: var(--claude-dark);
    margin-bottom: 6px;
}

.feature-list .text-box p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

/* 计算器卡片 - Claude 深暖色精致面板 */
.calculator-section {
    padding: 60px 0 90px;
    background: var(--claude-bg);
}

.calculator-card {
    background: var(--claude-dark);
    color: #FAF8F5;
    border-radius: 24px;
    padding: 48px;
    box-shadow: 0 20px 40px rgba(31, 30, 29, 0.15);
    border: 1px solid #2D2B28;
}

.calc-result-box {
    background: #282624;
    border: 1px solid #3A3734;
    border-radius: 18px;
    padding: 32px;
}

.result-title {
    color: #8C877D;
    font-size: 14px;
}

.result-amount {
    font-size: 42px;
    font-weight: 800;
    color: var(--claude-accent);
    margin: 10px 0;
}

.result-tip {
    font-size: 12px;
    color: #8C877D;
}

.btn-calc-action {
    background: var(--claude-accent);
    color: #FFFFFF !important;
    font-weight: 700;
    border-radius: 12px;
    padding: 12px 28px;
    margin-top: 16px;
    transition: all 0.2s ease;
}

.btn-calc-action:hover {
    background: var(--claude-accent-hover);
}

/* FAQ */
.faq-section {
    padding: 90px 0;
    background: var(--claude-bg-alt);
}

.faq-item {
    background: var(--claude-card);
    padding: 26px;
    border-radius: 16px;
    border: 1px solid var(--claude-border);
    margin-bottom: 20px;
    box-shadow: var(--card-shadow);
    transition: all 0.2s ease;
}

.faq-item:hover {
    border-color: var(--claude-accent);
}

.faq-item h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--claude-dark);
    margin-bottom: 8px;
}

.faq-item p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

/* Footer */
.index10-footer {
    background: var(--claude-dark);
    color: #8C877D;
    padding: 50px 0;
    font-size: 14px;
    border-top: 1px solid #2D2B28;
}

.footer-links a {
    color: #E6E2DA;
    margin: 0 10px;
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--claude-accent);
}

.copyright {
    margin-top: 18px;
    font-size: 13px;
    color: #8C877D;
}

@media (max-width: 991px) {
    .channel-cards, .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .hero-title {
        font-size: 36px;
    }
    .isometric-card {
        transform: none;
        margin-top: 40px;
    }
}

@media (max-width: 576px) {
    .channel-cards, .stats-grid {
        grid-template-columns: 1fr;
    }
    .hero-title {
        font-size: 28px;
    }
    .hero-actions {
        flex-direction: column;
    }
}