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

:root {
    --blue: #2E7EFB;
    --blue-light: #0EA5E9;
    --purple: #7C3AED;
    --purple-light: #A855F7;
    --emerald: #10B981;
    --amber: #F59E0B;
    --rose: #EF4444;
    --text-1: #0F172A;
    --text-2: #475569;
    --text-3: #94A3B8;
    --bg: #F8FAFC;
    --bg-card: #FFFFFF;
    --border: rgba(15, 23, 42, 0.08);
    --border-strong: rgba(15, 23, 42, 0.14);
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 4px 24px rgba(15, 23, 42, 0.06);
    --shadow-lg: 0 24px 64px rgba(15, 23, 42, 0.10);
    --radius: 16px;
    --radius-sm: 10px;
    --radius-lg: 24px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text-1);
    line-height: 1.6;
    overflow-x: hidden;
    letter-spacing: -0.01em;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px
}

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

.gradient-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.15;
    pointer-events: none;
    z-index: 0;
    animation: orbFloat 20s ease-in-out infinite;
}

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

.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--purple);
    bottom: -100px;
    left: -100px;
    animation-delay: -7s
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: var(--blue-light);
    top: 40%;
    left: 50%;
    animation-delay: -14s
}

@keyframes orbFloat {

    0%,
    100% {
        transform: translate(0, 0) scale(1)
    }

    33% {
        transform: translate(30px, -40px) scale(1.05)
    }

    66% {
        transform: translate(-20px, 30px) scale(0.95)
    }
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    transition: all 0.3s;
    background: rgba(248, 250, 252, 0.7);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.9);
    border-bottom-color: var(--border);
    box-shadow: var(--shadow-sm);
}

.header-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
    height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

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

.logo-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-1);
    letter-spacing: -0.03em
}

.nav {
    display: flex;
    gap: 4px
}

.nav-link {
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-2);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all 0.2s;
    position: relative;
}

.nav-link:hover {
    color: var(--text-1);
    background: rgba(46, 126, 251, 0.06)
}

.nav-link.active {
    color: var(--blue)
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--blue);
    border-radius: 1px;
}

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

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

.btn-lg {
    padding: 14px 32px;
    font-size: 15px
}

.btn-primary {
    background: linear-gradient(135deg, var(--blue), var(--purple));
    color: white;
    box-shadow: 0 4px 20px rgba(46, 126, 251, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(46, 126, 251, 0.4)
}

.btn-outline {
    background: transparent;
    color: var(--text-1);
    border: 1.5px solid var(--border-strong);
}

.btn-outline:hover {
    border-color: var(--blue);
    color: var(--blue);
    background: rgba(46, 126, 251, 0.04)
}

.btn-ghost {
    background: linear-gradient(135deg, var(--blue), var(--purple));
    color: #fff;
    padding: 8px 20px;
    box-shadow: 0 2px 12px rgba(46, 126, 251, 0.25);
}

.btn-ghost:hover {
    color: #fff;
    background: linear-gradient(135deg, var(--blue), var(--purple));
    filter: brightness(1.08);
    box-shadow: 0 4px 18px rgba(46, 126, 251, 0.35);
    transform: translateY(-1px)
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.menu-toggle span {
    width: 22px;
    height: 2px;
    background: var(--text-1);
    border-radius: 1px;
    transition: all 0.3s
}

.menu-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px)
}

.menu-toggle.open span:nth-child(2) {
    opacity: 0
}

.menu-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px)
}

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 68px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(46, 126, 251, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(46, 126, 251, 0.04) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 70%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 80px 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(46, 126, 251, 0.08);
    border: 1px solid rgba(46, 126, 251, 0.15);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    color: var(--blue);
    margin-bottom: 28px;
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--blue);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1)
    }

    50% {
        opacity: 0.5;
        transform: scale(1.3)
    }
}

.hero-title {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.04em;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-2);
    line-height: 1.7;
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 64px;
}

.hero-stats {
    display: inline-flex;
    align-items: center;
    gap: 32px;
    padding: 20px 40px;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
}

.stat-item {
    text-align: center
}

.stat-num {
    font-size: 32px;
    font-weight: 800;
    color: var(--blue);
    letter-spacing: -0.03em;
}

.stat-num::after {
    content: '%';
    font-size: 20px;
    font-weight: 600
}

.stat-item:nth-child(3) .stat-num::after {
    content: '+'
}

.stat-item:nth-child(5) .stat-num::after {
    content: '+'
}

.stat-label {
    font-size: 13px;
    color: var(--text-3);
    margin-top: 4px
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border)
}

section {
    position: relative;
    z-index: 1
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-tag {
    display: inline-block;
    padding: 4px 14px;
    background: rgba(46, 126, 251, 0.08);
    color: var(--blue);
    font-size: 13px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 16px;
}

.section-title {
    font-size: 40px;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 12px;
}

.section-desc {
    font-size: 16px;
    color: var(--text-2);
    max-width: 600px;
    margin: 0 auto;
}

.features {
    padding: 100px 0
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--c1), var(--c2));
    opacity: 0;
    transition: opacity 0.3s;
}

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

.feature-card:hover::before {
    opacity: 1
}

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--c1), var(--c2));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: white;
    box-shadow: 0 4px 16px color-mix(in srgb, var(--c1) 30%, transparent);
}

.feature-icon svg {
    width: 28px;
    height: 28px
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 14px;
    color: var(--text-2);
    line-height: 1.7;
}

.showcase {
    padding: 100px 0;
    background: transparent
}

.showcase-mockup {
    max-width: 1100px;
    margin: 0 auto
}

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

.mockup-titlebar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: #F1F5F9;
    border-bottom: 1px solid var(--border);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%
}

.dot.red {
    background: #EF4444
}

.dot.yellow {
    background: #F59E0B
}

.dot.green {
    background: #10B981
}

.mockup-url {
    margin-left: 16px;
    font-size: 13px;
    color: var(--text-3);
    font-family: monospace;
}

.mockup-body {
    display: flex;
    height: 420px
}

.mockup-sidebar {
    width: 200px;
    background: #F8FAFC;
    border-right: 1px solid var(--border);
    padding: 16px 12px;
    flex-shrink: 0;
}

.ms-item {
    padding: 10px 14px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-2);
    border-radius: 8px;
    margin-bottom: 4px;
    cursor: default;
    transition: all 0.2s;
}

.ms-item:hover {
    background: rgba(46, 126, 251, 0.06)
}

.ms-item.active {
    color: var(--blue);
    background: rgba(46, 126, 251, 0.1);
    font-weight: 600;
}

.mockup-main {
    flex: 1;
    padding: 24px;
    overflow: hidden
}

.mockup-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.ms-stat {
    background: #F8FAFC;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.ms-stat-num {
    font-size: 24px;
    font-weight: 800
}

.ms-stat-label {
    font-size: 12px;
    color: var(--text-3)
}

.mockup-table {
    background: #F8FAFC;
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
}

.mt-row {
    display: grid;
    grid-template-columns: 1.5fr 1.5fr 1fr 1fr;
    padding: 10px 16px;
    font-size: 13px;
    border-bottom: 1px solid var(--border);
    align-items: center;
}

.mt-row:last-child {
    border-bottom: none
}

.mt-head {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: 0.05em
}

.mt-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
}

.mt-badge.running {
    background: rgba(16, 185, 129, 0.1);
    color: var(--emerald)
}

.mt-badge.stopped {
    background: rgba(148, 163, 184, 0.1);
    color: var(--text-3)
}

.pricing {
    padding: 100px 0
}

.pricing-grid {

    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 1400px;
    margin: 0 auto;
}

.pricing-loading {
    grid-column: 1/-1;
    text-align: center;
    padding: 60px;
    color: var(--text-3);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--blue);
    border-radius: 50%;
    margin: 0 auto 16px;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg)
    }
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s;
    position: relative;
    display: flex;
    flex-direction: column;
}

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

.pricing-card.recommended {
    border-color: var(--blue);
    border-width: 2px;
    box-shadow: 0 8px 40px rgba(46, 126, 251, 0.12);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 16px;
    background: linear-gradient(135deg, var(--blue), var(--purple));
    color: white;
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
    white-space: nowrap;
}

.pricing-name {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px
}

.pricing-desc {
    font-size: 13px;
    color: var(--text-3);
    margin-bottom: 24px;
    min-height: 40px
}

.pricing-price {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin-bottom: 28px;
}

.pricing-amount {
    font-size: 42px;
    font-weight: 800;
    letter-spacing: -0.03em
}

.pricing-period {
    font-size: 14px;
    color: var(--text-3)
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
    flex: 1;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-2);
    margin-bottom: 12px;
}

.pricing-features li::before {
    content: '';
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232E7EFB' stroke-width='3'%3E%3Cpath d='M5 13l4 4L19 7'/%3E%3C/svg%3E") center/contain no-repeat;
}

.pricing-card .btn {
    width: 100%
}

.faq {
    padding: 100px 0
}

.faq-list {
    max-width: 800px;
    margin: 0 auto
}

.faq-item {
    border-bottom: 1px solid var(--border);
    cursor: pointer;
}

.faq-q {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    font-size: 17px;
    font-weight: 600;
    color: var(--text-1);
}

.faq-arrow {
    width: 20px;
    height: 20px;
    color: var(--text-3);
    transition: transform 0.3s;
    flex-shrink: 0;
}

.faq-item.open .faq-arrow {
    transform: rotate(180deg)
}

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

.faq-item.open .faq-a {
    max-height: 200px
}

.faq-a p {
    padding: 0 0 24px;
    font-size: 14px;
    color: var(--text-2);
    line-height: 1.7;
}

.cta {
    padding: 60px 0 100px
}

.cta-card {
    background: linear-gradient(135deg, #0F172A, #1E293B);
    border-radius: var(--radius-lg);
    padding: 64px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(46, 126, 251, 0.3), transparent 70%);
    filter: blur(40px);
}

.cta-title {
    position: relative;
    font-size: 36px;
    font-weight: 800;
    color: white;
    margin-bottom: 12px;
}

.cta-desc {
    position: relative;
    font-size: 16px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 32px;
}

.cta .btn-primary {
    position: relative
}

.footer {
    border-top: 1px solid var(--border);
    padding: 60px 0 32px;
    background: var(--bg-card);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    gap: 60px;
    margin-bottom: 48px;
}

.footer-brand {
    max-width: 320px
}

.footer-desc {
    font-size: 14px;
    color: var(--text-3);
    margin-top: 16px;
    line-height: 1.7;
}

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

.footer-col h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-col a {
    display: block;
    font-size: 13px;
    color: var(--text-3);
    text-decoration: none;
    margin-bottom: 10px;
    transition: color 0.2s;
}

.footer-col a:hover {
    color: var(--blue)
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-3);
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
    transition-delay: var(--delay, 0s);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0)
}

@media(max-width:1024px) {
    .feature-grid {
        grid-template-columns: repeat(2, 1fr)
    }

    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
        max-width: 600px
    }

    .footer-top {
        flex-direction: column;
        gap: 32px
    }

    .hero-title {
        font-size: 48px
    }
}

@media(max-width:768px) {
    .container {
        padding: 0 20px
    }

    .header-inner {
        padding: 0 20px;
        height: 60px
    }

    .nav {
        display: none;
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 16px;
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-md);
    }

    .nav.open {
        display: flex
    }

    .menu-toggle {
        display: flex
    }

    .hero-title {
        font-size: 36px
    }

    .hero-subtitle {
        font-size: 15px
    }

    .hero-actions {
        flex-direction: column;
        align-items: center
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: 16px;
        padding: 16px 24px
    }

    .stat-divider {
        display: none
    }

    .feature-grid {
        grid-template-columns: 1fr
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px
    }

    .section-title {
        font-size: 28px
    }

    .mockup-sidebar {
        display: none
    }

    .mockup-body {
        height: 360px
    }

    .cta-card {
        padding: 40px 24px
    }

    .cta-title {
        font-size: 24px
    }

    .footer-links {
        flex-wrap: wrap;
        gap: 32px
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center
    }
}