/* ============================================================
   星梦邮件群发 - 营销官网样式
   基于 Modern SaaS Blue/White Design Language
   主色 #2563EB · 背景 #F1F5F9 · 卡片 #FFFFFF
   ============================================================ */

/* 定价板块 左右等分布局 */
.pricing {
    padding: 80px 0;
    background: #ffffff;
}
/* 核心：两卡片左右平分 */
.pricing-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    margin-top: 40px;
}
.price-card {
    border: 1px solid #e5e7eb;
    border-radius: 14px;
    padding: 36px 28px;
    transition: all .24s ease;
}
.price-card:hover {
    border-color: #c7d2fe;
}
.price-card.highlight {
    border-color: #4f46e5;
    background: #f9faff;
}
.card-title {
    font-size: 20px;
    font-weight: 600;
    margin: 0 0 20px;
    color: #111827;
}
.price-box {
    display: flex;
    align-items: baseline;
    gap: 6px;
    margin-bottom: 28px;
}
.price-box .num {
    font-size: 42px;
    font-weight: 700;
    color: #111827;
}
.price-card.highlight .price-box .num {
    color: #4f46e5;
}
.price-box .suffix {
    font-size: 15px;
    color: #6b7280;
}
.feature-list {
    list-style: none;
    padding: 0;
    margin: 0 0 32px;
}
.feature-list li {
    padding: 8px 0;
    font-size: 15px;
    color: #374151;
}
.feature-list li strong {
    color: #4f46e5;
}
.w-full {
    width: 100%;
    display: inline-flex;
    justify-content: center;
}
.pricing-tip {
    max-width: 700px;
    margin: 40px auto 0;
    text-align: center;
    font-size: 14px;
    color: #4b5563;
    padding: 12px;
    background: #f3f4f6;
    border-radius: 10px;
}
/* 移动端自动切换上下堆叠 */
@media (max-width:768px) {
    .pricing-wrap {
        grid-template-columns: 1fr;
    }
}

/* ===== CSS Reset & Variables ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 主色调 */
    --primary: #2563EB;
    --primary-hover: #1D4ED8;
    --primary-pressed: #1E40AF;
    --primary-light: #EFF6FF;
    --primary-border: #BFDBFE;

    /* 背景色 */
    --bg-main: #F1F5F9;
    --bg-card: #FFFFFF;
    --bg-input: #F8FAFC;
    --bg-console: #F8FAFC;

    /* 文字色 */
    --text-main: #0F172A;
    --text-secondary: #64748B;
    --text-sub: #94A3B8;
    --text-tertiary: #CBD5E1;

    /* 状态色 */
    --success: #16A34A;
    --success-light: #F0FDF4;
    --danger: #DC2626;
    --danger-light: #FEF2F2;
    --warning: #F59E0B;
    --warning-light: #FFFBEB;
    --info: #2563EB;

    /* 边框 */
    --border: #E2E8F0;
    --divider: #F1F5F9;

    /* KPI专用 */
    --kpi-blue: #2563EB;
    --kpi-green: #16A34A;
    --kpi-red: #DC2626;
    --kpi-orange: #F59E0B;
    --kpi-purple: #7C3AED;
    --kpi-cyan: #0891B2;

    /* 圆角 */
    --radius-sm: 6px;
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;

    /* 阴影 */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);

    /* 字体 */
    --font: 'Inter', 'Microsoft YaHei UI', 'PingFang SC', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'Consolas', 'Cascadia Code', 'SF Mono', monospace;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font);
    background: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

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

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border);
    transition: all 0.3s ease;
}

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

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 18px;
    color: var(--text-main);
    letter-spacing: -0.01em;
}

.logo-icon {
    font-size: 24px;
    color: var(--primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 4px;
}

.nav-link {
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.2s;
}

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

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
}

.hamburger span {
    width: 22px;
    height: 2px;
    background: var(--text-main);
    border-radius: 2px;
    transition: all 0.3s;
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius);
    font-family: var(--font);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    white-space: nowrap;
}

.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-lg { padding: 14px 32px; font-size: 16px; border-radius: var(--radius-lg); }
.btn-block { width: 100%; justify-content: center; }

.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 1px 3px rgba(37,99,235,0.3);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37,99,235,0.4);
}

.btn-primary:active {
    background: var(--primary-pressed);
    transform: translateY(0);
}

.btn-outline {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--border);
}

.btn-outline:hover {
    background: var(--bg-main);
    border-color: var(--text-sub);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: none;
}

.btn-ghost:hover {
    background: var(--bg-main);
    color: var(--text-main);
}

/* ===== Hero区域 ===== */
.hero {
    position: relative;
    padding: 140px 0 80px;
    overflow: hidden;
    background: linear-gradient(180deg, #FFFFFF 0%, #F1F5F9 100%);
}

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-grid {
    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;
}

.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15;
}

.glow-1 {
    width: 600px;
    height: 600px;
    background: var(--primary);
    top: -200px;
    right: -100px;
}

.glow-2 {
    width: 400px;
    height: 400px;
    background: var(--kpi-purple);
    bottom: -100px;
    left: -100px;
    opacity: 0.08;
}

.hero-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    text-align: center;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--primary-light);
    border: 1px solid var(--primary-border);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 500;
    color: var(--primary);
    margin-bottom: 28px;
}

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

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--text-main);
    margin-bottom: 24px;
}

.gradient-text {
    background: linear-gradient(135deg, #2563EB 0%, #7C3AED 50%, #0891B2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 720px;
    margin: 0 auto 36px;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 56px;
}

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

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

.stat-number {
    display: block;
    font-size: 28px;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: -0.01em;
}

.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ===== Hero 预览窗口 ===== */
.hero-preview {
    position: relative;
    max-width: 1100px;
    margin: 60px auto 0;
    padding: 0 24px;
    z-index: 1;
}

.preview-window {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--border);
}

.preview-titlebar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: #F8FAFC;
    border-bottom: 1px solid var(--border);
}

.preview-dots {
    display: flex;
    gap: 6px;
}

.preview-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.preview-dots span:nth-child(1) { background: #EF4444; }
.preview-dots span:nth-child(2) { background: #F59E0B; }
.preview-dots span:nth-child(3) { background: #22C55E; }

.preview-title {
    font-size: 12px;
    color: var(--text-sub);
}

.preview-content {
    display: flex;
    height: 420px;
}

/* Mock Sidebar */
.mock-sidebar {
    width: 200px;
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex-shrink: 0;
}

.mock-logo {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
    padding: 8px 12px;
    margin-bottom: 8px;
}

.mock-nav-item {
    padding: 8px 12px;
    border-radius: var(--radius);
    font-size: 12px;
    color: var(--text-secondary);
    cursor: default;
    transition: all 0.2s;
}

.mock-nav-item.active {
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 600;
}

.mock-nav-item:not(.active):hover {
    background: var(--bg-main);
}

/* Mock Main */
.mock-main {
    flex: 1;
    padding: 24px;
    background: var(--bg-main);
    overflow: hidden;
}

.mock-kpi-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.mock-kpi {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 16px;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.mock-kpi-val {
    display: block;
    font-size: 22px;
    font-weight: 700;
    color: var(--text-main);
}

.mock-kpi-val.success { color: var(--success); }
.mock-kpi-val.danger { color: var(--danger); }

.mock-kpi-lbl {
    font-size: 11px;
    color: var(--text-sub);
    margin-top: 4px;
}

.mock-chart-area {
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
    height: 160px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 24px 20px 16px;
    box-shadow: var(--shadow-sm);
}

.mock-chart-bar {
    width: 40px;
    background: linear-gradient(180deg, #2563EB 0%, #BFDBFE 100%);
    border-radius: 6px 6px 0 0;
    transition: height 0.5s ease;
}

/* ===== Section通用 ===== */
.section {
    padding: 100px 0;
}

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

.section-badge {
    display: inline-block;
    padding: 4px 14px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 16px;
}

.section-title {
    font-size: 40px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-main);
    margin-bottom: 16px;
}

.section-desc {
    font-size: 17px;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ===== 核心功能 ===== */
.features {
    background: var(--bg-card);
}

.feature-card-large {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    background: linear-gradient(135deg, #EFF6FF 0%, #FFFFFF 100%);
    border: 1px solid var(--primary-border);
    border-radius: var(--radius-xl);
    padding: 32px;
    margin-bottom: 48px;
}

.feature-card-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    border-radius: var(--radius-lg);
    color: #fff;
    flex-shrink: 0;
}

.feature-card-content h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 8px;
}

.feature-card-content p {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.6;
}

.feature-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.feature-tags span {
    padding: 4px 12px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 12px;
    font-weight: 500;
    border-radius: 50px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 28px;
    transition: all 0.3s;
}

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

.fc-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    margin-bottom: 16px;
    color: #fff;
}

.fc-icon.blue { background: var(--kpi-blue); }
.fc-icon.green { background: var(--success); }
.fc-icon.purple { background: var(--kpi-purple); }
.fc-icon.orange { background: var(--warning); }
.fc-icon.red { background: var(--danger); }
.fc-icon.cyan { background: var(--kpi-cyan); }

.feature-card h4 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.5;
}

.fc-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.fc-list li {
    padding: 3px 10px;
    background: var(--bg-main);
    border-radius: 50px;
    font-size: 11px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ===== 功能展示 ===== */
.screenshots {
    background: var(--bg-main);
}

.screenshots-tabs {
    display: flex;
    justify-content: center;
    gap: 4px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.screenshot-tab {
    padding: 10px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: var(--font);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.screenshot-tab:hover {
    border-color: var(--primary-border);
    color: var(--primary);
}

.screenshot-tab.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.screenshots-display {
    position: relative;
}

.screenshot-panel {
    display: none;
}

.screenshot-panel.active {
    display: block;
}

.screenshot-mock {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 1px solid var(--border);
}

/* Mock App 通用 */
.mock-app {
    display: flex;
    height: 480px;
}

.mock-app-sidebar {
    width: 190px;
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.mock-app-logo {
    padding: 14px 16px;
    font-size: 13px;
    font-weight: 700;
    color: var(--primary);
    border-bottom: 1px solid var(--border);
}

.mock-app-logo span {
    font-size: 10px;
    font-weight: 400;
    color: var(--text-sub);
    margin-left: 6px;
}

.mock-app-nav {
    flex: 1;
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow-y: auto;
}

.mock-app-nav-item {
    padding: 7px 12px;
    border-radius: var(--radius);
    font-size: 12px;
    color: var(--text-secondary);
    cursor: default;
}

.mock-app-nav-item.active {
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 600;
}

.mock-app-sidebar-footer {
    padding: 12px 16px;
    font-size: 11px;
    color: var(--text-sub);
    border-top: 1px solid var(--border);
    text-align: center;
}

.mock-app-main {
    flex: 1;
    padding: 24px;
    background: var(--bg-main);
    overflow-y: auto;
}

.mock-app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.mock-app-header h2 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
}

.mock-app-header-badge {
    font-size: 12px;
    color: var(--text-sub);
    padding: 4px 10px;
    background: var(--bg-card);
    border-radius: 50px;
}

/* KPI Grid */
.mock-kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.mock-kpi-grid-sm {
    grid-template-columns: repeat(6, 1fr);
}

.mock-kpi-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 14px 12px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border-top: 3px solid transparent;
}

.mock-kpi-card.blue { border-top-color: var(--kpi-blue); }
.mock-kpi-card.green { border-top-color: var(--success); }
.mock-kpi-card.green2 { border-top-color: var(--success); }
.mock-kpi-card.red { border-top-color: var(--danger); }
.mock-kpi-card.orange { border-top-color: var(--warning); }
.mock-kpi-card.purple { border-top-color: var(--kpi-purple); }
.mock-kpi-card.cyan { border-top-color: var(--kpi-cyan); }

.kpi-num {
    display: block;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-main);
}

.kpi-label {
    font-size: 11px;
    color: var(--text-sub);
    margin-top: 2px;
}

/* Mock Send Panel */
.mock-send-panel {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-sm);
}

.mock-send-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}

.mock-send-field label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.mock-send-field select {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 12px;
    color: var(--text-main);
    background: var(--bg-input);
    font-family: var(--font);
}

.mock-send-options {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}

.mock-checkbox {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-secondary);
    cursor: default;
}

.mock-checkbox input {
    width: 14px;
    height: 14px;
    accent-color: var(--primary);
}

.mock-send-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.mock-btn {
    padding: 8px 18px;
    border-radius: var(--radius);
    border: none;
    font-family: var(--font);
    font-size: 12px;
    font-weight: 600;
    cursor: default;
}

.mock-btn-primary {
    background: var(--primary);
    color: #fff;
}

.mock-btn-ghost {
    background: var(--bg-main);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.mock-btn-sm { padding: 6px 12px; font-size: 11px; }

.mock-progress {
    width: 160px;
    height: 8px;
    background: var(--border);
    border-radius: 4px;
    overflow: hidden;
}

.mock-progress-bar {
    height: 100%;
    background: var(--primary);
    border-radius: 4px;
    transition: width 0.5s;
}

.mock-progress-text {
    font-size: 11px;
    color: var(--text-sub);
}

/* Mock 任务调度 */
.mock-task-filters {
    display: flex;
    gap: 6px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.mock-filter {
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 11px;
    color: var(--text-secondary);
    cursor: default;
    border: 1px solid transparent;
}

.mock-filter.active {
    background: var(--primary-light);
    color: var(--primary);
    border-color: var(--primary-border);
}

.mock-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.mock-table th {
    text-align: left;
    padding: 10px 12px;
    background: #F8FAFC;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 11px;
    border-bottom: 1px solid var(--border);
}

.mock-table td {
    padding: 10px 12px;
    color: var(--text-main);
    border-bottom: 1px solid var(--divider);
}

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

.mock-badge {
    padding: 2px 8px;
    border-radius: 50px;
    font-size: 10px;
    font-weight: 600;
}

.mock-badge.blue { background: var(--primary-light); color: var(--primary); }
.mock-badge.green { background: var(--success-light); color: var(--success); }
.mock-badge.purple { background: #F3E8FF; color: var(--kpi-purple); }
.mock-badge.cyan { background: #ECFEFF; color: var(--kpi-cyan); }
.mock-badge.orange { background: var(--warning-light); color: var(--warning); }
.mock-badge.gray { background: var(--bg-main); color: var(--text-sub); }
.mock-badge.red { background: var(--danger-light); color: var(--danger); }

.mock-tbl-progress {
    display: inline-block;
    width: 50px;
    height: 5px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
    vertical-align: middle;
    margin-right: 6px;
}

.mock-tbl-progress div {
    height: 100%;
    background: var(--primary);
    border-radius: 3px;
}

/* Mock 内容编辑 */
.mock-editor-mode {
    display: flex;
    gap: 4px;
}

.mock-mode-btn {
    padding: 6px 14px;
    border-radius: var(--radius);
    font-size: 12px;
    color: var(--text-secondary);
    cursor: default;
}

.mock-mode-btn.active {
    background: var(--primary);
    color: #fff;
}

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

.mock-editor-field label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.mock-editor-field input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 13px;
    color: var(--text-main);
    background: var(--bg-card);
    font-family: var(--font);
}

.mock-placeholder-hint {
    display: flex;
    gap: 6px;
    margin-top: 8px;
    flex-wrap: wrap;
    align-items: center;
}

.mock-ph-tag {
    padding: 2px 8px;
    background: #F3E8FF;
    color: var(--kpi-purple);
    border-radius: 50px;
    font-size: 10px;
    font-weight: 600;
}

.mock-emoji-btn {
    padding: 2px 8px;
    background: var(--warning-light);
    color: var(--warning);
    border-radius: 50px;
    font-size: 10px;
    font-weight: 600;
    cursor: default;
    margin-left: auto;
}

.mock-editor-body {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.mock-editor-toolbar {
    display: flex;
    gap: 4px;
    padding: 8px 12px;
    background: #F8FAFC;
    border-bottom: 1px solid var(--border);
    align-items: center;
}

.mock-editor-toolbar button {
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    border-radius: 4px;
    cursor: default;
    font-size: 12px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.mock-tb-sep {
    width: 1px;
    height: 20px;
    background: var(--border);
    margin: 0 4px;
}

.mock-editor-content {
    padding: 16px;
    font-size: 13px;
    line-height: 1.7;
    min-height: 140px;
    background: var(--bg-card);
    color: var(--text-main);
}

.mock-editor-img-placeholder {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px;
    background: var(--bg-main);
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    font-size: 12px;
    color: var(--text-secondary);
}

.mock-editor-img-placeholder span {
    color: var(--text-sub);
    font-size: 11px;
}

.mock-editor-footer {
    display: flex;
    gap: 8px;
}

/* Mock 收件人管理 */
.mock-header-actions {
    display: flex;
    gap: 8px;
}

.mock-recipient-stats {
    display: flex;
    gap: 20px;
    margin-bottom: 16px;
}

.mock-rs-item {
    font-size: 12px;
    color: var(--text-secondary);
}

.mock-rs-num {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
    margin-right: 4px;
}

.mock-rs-num.green { color: var(--success); }
.mock-rs-num.red { color: var(--danger); }

.mock-recipient-tags {
    display: flex;
    gap: 6px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.mock-tag {
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 11px;
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border);
    cursor: default;
}

.mock-tag.active {
    background: var(--primary-light);
    color: var(--primary);
    border-color: var(--primary-border);
}

.mock-tag small {
    color: var(--text-sub);
    margin-left: 2px;
}

.mock-tag-sm {
    padding: 2px 8px;
    border-radius: 50px;
    font-size: 10px;
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 500;
}

/* Mock 通道管理 */
.mock-channel-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.mock-channel-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
}

.mock-cc-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.mock-cc-type {
    padding: 3px 10px;
    border-radius: 50px;
    font-size: 10px;
    font-weight: 600;
}

.mock-cc-type.smtp { background: var(--primary-light); color: var(--primary); }
.mock-cc-type.tencent { background: #F3E8FF; color: var(--kpi-purple); }
.mock-cc-type.aliyun { background: #FFFBEB; color: var(--warning); }

.mock-cc-status {
    font-size: 10px;
    color: var(--text-sub);
}

.mock-cc-status.on { color: var(--success); }

.mock-cc-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 4px;
}

.mock-cc-info {
    font-size: 11px;
    color: var(--text-sub);
    margin-bottom: 2px;
}

.mock-cc-footer {
    margin-top: 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.mock-cc-quota {
    flex: 1;
}

.mock-cc-quota span {
    font-size: 10px;
    color: var(--text-sub);
    display: block;
    margin-bottom: 4px;
}

.mock-cc-bar {
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    overflow: hidden;
    width: 120px;
}

.mock-cc-bar div {
    height: 100%;
    background: var(--primary);
    border-radius: 2px;
}

.mock-cc-weight {
    font-size: 10px;
    color: var(--text-sub);
    font-weight: 500;
}

/* Mock 数据看板 */
.mock-stats-period {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
}

.mock-period {
    padding: 6px 16px;
    border-radius: var(--radius);
    font-size: 12px;
    color: var(--text-secondary);
    cursor: default;
}

.mock-period.active {
    background: var(--primary);
    color: #fff;
}

.mock-stats-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 16px;
}

.mock-stats-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 16px;
    box-shadow: var(--shadow-sm);
}

.mock-stats-card h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 12px;
}

.mock-rank-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 0;
    font-size: 12px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--divider);
}

.mock-rank-num {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 10px;
    font-weight: 700;
}

.mock-rank-val {
    margin-left: auto;
    color: var(--text-main);
    font-weight: 600;
}

.mock-metric {
    margin-bottom: 12px;
}

.mock-metric span {
    font-size: 12px;
    color: var(--text-secondary);
}

.mock-metric-val {
    float: right;
    font-weight: 700 !important;
}

.mock-metric-val.green { color: var(--success); }
.mock-metric-val.orange { color: var(--warning); }
.mock-metric-val.purple { color: var(--kpi-purple); }
.mock-metric-val.cyan { color: var(--kpi-cyan); }

.mock-metric-bar {
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 4px;
}

.mock-metric-bar div { height: 100%; border-radius: 3px; }
.green-bar { background: var(--success); }
.orange-bar { background: var(--warning); }
.purple-bar { background: var(--kpi-purple); }
.cyan-bar { background: var(--kpi-cyan); }

/* Mock 安全认证 */
.mock-spf-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
}

.mock-spf-tab {
    padding: 8px 20px;
    border-radius: var(--radius);
    font-size: 12px;
    color: var(--text-secondary);
    cursor: default;
    border: 1px solid var(--border);
}

.mock-spf-tab.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.mock-spf-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mock-spf-field label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.mock-spf-field input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 13px;
    color: var(--text-main);
    background: var(--bg-card);
    font-family: var(--font);
}

.mock-spf-record {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-main);
}

.mock-copy-btn {
    margin-left: auto;
    padding: 4px 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-input);
    font-size: 11px;
    color: var(--text-secondary);
    cursor: pointer;
    font-family: var(--font);
    white-space: nowrap;
}

.mock-spf-key-gen {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.mock-spf-key-gen select {
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 12px;
    background: var(--bg-card);
    font-family: var(--font);
}

.mock-spf-key-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px;
}

.mock-key-item {
    margin-bottom: 8px;
    font-size: 12px;
}

.mock-key-item span {
    font-weight: 600;
    color: var(--text-secondary);
}

.mock-key-item code {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-main);
    word-break: break-all;
}

.mock-spf-dns-preview {
    background: #F8FAFC;
    border-radius: var(--radius-lg);
    padding: 16px;
}

.mock-spf-dns-preview h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 12px;
}

.mock-dns-record {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 12px;
}

.mock-dns-record code {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-main);
    flex: 1;
    word-break: break-all;
}

/* ===== 应用场景 ===== */
.scenarios {
    background: var(--bg-card);
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto;
}

.scenario-card {
    background: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 32px 28px;
    transition: all 0.3s;
}

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

.scenario-icon {
    font-size: 40px;
    margin-bottom: 16px;
    line-height: 1;
}

.scenario-card h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 10px;
}

.scenario-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.scenario-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.scenario-tags span {
    padding: 4px 12px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 11px;
    font-weight: 500;
    border-radius: 50px;
}

.scenarios-cta {
    text-align: center;
    margin-top: 48px;
    padding: 40px;
    background: linear-gradient(135deg, #EFF6FF 0%, #F5F3FF 100%);
    border-radius: var(--radius-xl);
    border: 1px solid var(--primary-border);
}

.scenarios-cta p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

/* ===== 版本方案 ===== */
.pricing {
    background: var(--bg-main);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 32px 28px;
    display: flex;
    flex-direction: column;
    transition: all 0.3s;
}

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

.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: 0 0 0 1px var(--primary), var(--shadow-xl);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-4px);
}

.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 20px;
    background: linear-gradient(135deg, var(--primary) 0%, #7C3AED 100%);
    color: #fff;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
}

.pricing-header {
    text-align: center;
    margin-bottom: 28px;
}

.pricing-header h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 6px;
}

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

.pricing-price {
    margin-top: 20px;
}

.price-symbol {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-main);
    vertical-align: top;
}

.price-num {
    font-size: 48px;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: -0.02em;
    line-height: 1;
}

.price-period {
    font-size: 14px;
    color: var(--text-sub);
}

.pricing-features {
    list-style: none;
    margin-bottom: 28px;
    flex: 1;
}

.pricing-features li {
    padding: 8px 0;
    font-size: 14px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--divider);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li.disabled {
    color: var(--text-tertiary);
}

/* ===== 下载区域 ===== */
.download {
    background: linear-gradient(180deg, var(--bg-main) 0%, var(--bg-card) 100%);
}

.download-card {
    max-width: 560px;
    margin: 0 auto 48px;
    text-align: center;
    background: var(--bg-card);
    border: 2px solid var(--primary);
    border-radius: var(--radius-2xl);
    padding: 48px 32px;
    box-shadow: 0 0 0 4px rgba(37,99,235,0.1);
}

.download-icon {
    font-size: 56px;
    color: var(--primary);
    margin-bottom: 16px;
}

.download-card h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 6px;
}

.download-version {
    font-size: 14px;
    color: var(--text-sub);
    margin-bottom: 24px;
}

.download-meta {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}

.download-meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-secondary);
}

.download-meta-item svg {
    color: var(--text-sub);
}

.download-buttons {
    margin-bottom: 16px;
}

.download-main-btn {
    animation: pulse-btn 2s infinite;
}

@keyframes pulse-btn {
    0%, 100% { box-shadow: 0 0 0 0 rgba(37,99,235,0.4); }
    50% { box-shadow: 0 0 0 12px rgba(37,99,235,0); }
}

.download-note {
    font-size: 12px;
    color: var(--text-sub);
}

.download-note a {
    color: var(--primary);
    text-decoration: underline;
}

.download-requirements {
    max-width: 560px;
    margin: 0 auto;
}

.download-requirements h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 16px;
    text-align: center;
}

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

.req-item {
    padding: 12px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.req-item strong {
    display: block;
    font-size: 12px;
    color: var(--text-main);
    margin-bottom: 2px;
}

.req-item span {
    font-size: 12px;
    color: var(--text-secondary);
}

/* ===== 页脚 ===== */
.footer {
    background: var(--text-main);
    color: #CBD5E1;
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    display: block;
    margin-bottom: 12px;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.6;
    opacity: 0.7;
}

.footer-links h4 {
    font-size: 13px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links a {
    display: block;
    font-size: 13px;
    color: #94A3B8;
    margin-bottom: 10px;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: #fff;
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    font-size: 12px;
    opacity: 0.5;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .pricing-grid { grid-template-columns: 1fr; max-width: 400px; }
    .pricing-card.featured { transform: none; }
    .pricing-card.featured:hover { transform: translateY(-4px); }
    .scenarios-grid { grid-template-columns: repeat(2, 1fr); }
    .mock-channel-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--bg-card);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        padding: 12px;
        box-shadow: var(--shadow-lg);
    }

    .nav-menu.active { display: flex; }
    .hamburger { display: flex; }
    .nav-actions { display: none; }

    .hero { padding: 100px 0 60px; }
    .hero-title { font-size: 36px; }
    .hero-desc { font-size: 15px; }
    .hero-stats { gap: 24px; flex-wrap: wrap; }
    .stat-number { font-size: 22px; }

    .section { padding: 60px 0; }
    .section-title { font-size: 28px; }

    .features-grid { grid-template-columns: 1fr; }
    .feature-card-large { flex-direction: column; }

    .mock-app { height: auto; flex-direction: column; }
    .mock-app-sidebar { width: 100%; flex-direction: row; flex-wrap: wrap; }
    .mock-app-nav { flex-direction: row; overflow-x: auto; }
    .mock-app-logo { width: 100%; }
    .mock-app-sidebar-footer { display: none; }

    .mock-kpi-row, .mock-kpi-grid { grid-template-columns: repeat(2, 1fr); }
    .mock-kpi-grid-sm { grid-template-columns: repeat(3, 1fr); }
    .mock-send-row { grid-template-columns: 1fr; }
    .mock-channel-grid { grid-template-columns: 1fr; }
    .mock-stats-row { grid-template-columns: 1fr; }

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

    .pricing-grid { grid-template-columns: 1fr; }
    .requirements-grid { grid-template-columns: 1fr; }

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