:root {
    --bg-page: #070b14;
    --bg-card: #111827;
    --bg-soft: #0c1322;
    --border: rgba(99, 132, 255, 0.12);
    --border-strong: rgba(98, 86, 255, 0.32);
    --text: #f1f5f9;
    --text-dim: #a3b2cf;
    --text-muted: #6f7f9e;
    --primary: #5b5cf0;
    --primary-dark: #4a46d8;
    --primary-soft: rgba(91, 92, 240, 0.12);
    --secondary: #b24dff;
    --success: #18b76f;
    --danger: #ef4444;
    --warning: #f59e0b;
    --shadow-sm: 0 12px 32px rgba(0, 0, 0, 0.24);
    --shadow-md: 0 18px 50px rgba(0, 0, 0, 0.32);
    --shadow-lg: 0 28px 80px rgba(0, 0, 0, 0.42);
    --gradient-main: linear-gradient(135deg, #595cff 0%, #8c57ff 48%, #ff5db1 100%);
    --gradient-soft: linear-gradient(180deg, rgba(18,24,39,0.96) 0%, rgba(10,15,27,0.96) 100%);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(180deg, #05070c 0%, #090d17 26%, #0a1020 100%);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
}
a { color: var(--primary); text-decoration: none; }
.bg-glow {
    position: fixed;
    top: -160px;
    left: 50%;
    transform: translateX(-50%);
    width: 1180px;
    height: 540px;
    background: radial-gradient(circle, rgba(118, 100, 255, 0.22) 0%, rgba(7,11,20,0) 68%);
    pointer-events: none;
    z-index: 0;
}
.bg-grid {
    position: fixed;
    inset: 0;
    background-image: linear-gradient(rgba(132, 143, 201, 0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(132, 143, 201, 0.06) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: linear-gradient(180deg, rgba(0,0,0,0.35) 0%, rgba(0,0,0,0) 100%);
    pointer-events: none;
    z-index: 0;
}
.navbar {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 48px;
    background: rgba(7, 11, 20, 0.84);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(99, 132, 255, 0.12);
    box-shadow: 0 6px 30px rgba(0, 0, 0, 0.22);
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 800;
    letter-spacing: -0.3px;
    color: var(--text);
}
.logo-icon {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: var(--gradient-main);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: #fff;
    box-shadow: 0 10px 24px rgba(91, 92, 240, 0.26);
}
.nav-links { display: flex; gap: 8px; align-items: center; }
.nav-links a {
    padding: 10px 18px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dim);
    transition: all 0.2s ease;
}
.nav-links a:hover { color: var(--text); background: rgba(91, 92, 240, 0.14); }
.nav-links a.active { color: #c5bfff; background: rgba(91, 92, 240, 0.16); }
.nav-links a.nav-btn {
    background: var(--gradient-main);
    color: #fff;
    border-radius: 12px;
    box-shadow: 0 10px 22px rgba(102, 92, 245, 0.22);
}
.nav-links a.nav-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 28px rgba(102, 92, 245, 0.28);
}
.page-shell {
    position: relative;
    z-index: 1;
    max-width: 1220px;
    margin: 0 auto;
    padding: 0 20px 72px;
}
.bg-glow,
.bg-grid,
.hero,
.navbar {
    transition: transform 0.35s ease, background 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
    will-change: transform;
}
.navbar.is-scrolled {
    background: rgba(7, 11, 20, 0.94);
    border-bottom-color: rgba(99, 132, 255, 0.2);
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.3);
}
[data-reveal-item] {
    opacity: 0;
    transform: translate3d(0, 42px, 0) scale(0.96);
    filter: blur(14px);
    transition: opacity 0.85s cubic-bezier(0.22, 1, 0.36, 1), transform 0.85s cubic-bezier(0.22, 1, 0.36, 1), filter 0.85s cubic-bezier(0.22, 1, 0.36, 1);
    transition-delay: var(--reveal-delay, 0ms);
}
[data-reveal].is-visible [data-reveal-item] {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
    filter: blur(0);
}
.hero.is-visible .hero-badge,
.hero.is-visible .hero-title,
.hero.is-visible .hero-sub,
.hero.is-visible .hero-actions,
.hero.is-visible .hero-stack {
    animation: heroReveal 1s cubic-bezier(0.22, 1, 0.36, 1) both;
    animation-delay: var(--reveal-delay, 0ms);
}
.business-card,
.pricing-card,
.online-demo-card,
.mindmap-card,
.source-contact-card,
.comparison-data-row,
.source-hotline-box,
.showcase-panel,
.demo-panel,
.comparison-panel,
.mindmap-panel,
.source-plan-panel {
    transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease, background 0.35s ease;
}
.business-card:hover,
.pricing-card:hover,
.online-demo-card:hover,
.mindmap-card:hover,
.source-contact-card:hover,
.comparison-data-row:hover,
.source-hotline-box:hover,
.showcase-panel:hover,
.demo-panel:hover,
.comparison-panel:hover,
.mindmap-panel:hover,
.source-plan-panel:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}
.section-head {
    transition: transform 0.35s ease, opacity 0.35s ease;
}
.section.is-visible .section-head {
    transform: translateY(0);
}
.hero { text-align: center; padding: 86px 0 52px; }
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    border-radius: 999px;
    background: rgba(17, 24, 39, 0.88);
    border: 1px solid rgba(99, 132, 255, 0.16);
    color: var(--text-dim);
    font-size: 13px;
    font-weight: 700;
    box-shadow: var(--shadow-sm);
}
.hero-badge i { color: var(--success); }
.hero-title {
    margin-top: 24px;
    font-size: 64px;
    line-height: 1.08;
    font-weight: 900;
    letter-spacing: -2px;
    color: var(--text);
}
.hero-title span {
    display: block;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-sub {
    max-width: 760px;
    margin: 20px auto 0;
    font-size: 18px;
    line-height: 1.9;
    color: var(--text-dim);
}
.hero-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 34px;
}
.btn-main,
.btn-sub {
    min-width: 184px;
    padding: 15px 28px;
    border-radius: 16px;
    font-size: 15px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.25s ease;
}
.btn-main {
    background: var(--gradient-main);
    color: #fff;
    border: none;
    cursor: pointer;
    box-shadow: 0 14px 28px rgba(102, 92, 245, 0.24);
}
.btn-main:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 34px rgba(102, 92, 245, 0.28);
}
.btn-sub {
    background: rgba(17, 24, 39, 0.92);
    color: var(--text);
    border: 1px solid rgba(99, 132, 255, 0.18);
    box-shadow: var(--shadow-sm);
}
.btn-sub:hover {
    transform: translateY(-2px);
    border-color: rgba(91, 92, 240, 0.32);
}
.hero-stack {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 28px;
}
.stack-pill {
    padding: 10px 16px;
    border-radius: 999px;
    background: rgba(17, 24, 39, 0.82);
    border: 1px solid rgba(99, 132, 255, 0.14);
    color: var(--text-dim);
    font-size: 13px;
    font-weight: 700;
    box-shadow: var(--shadow-sm);
}
.section { margin-top: 30px; padding: 56px 0 0; }
.section-head { text-align: center; margin-bottom: 34px; }
.section-head h2 {
    font-size: 38px;
    line-height: 1.2;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -1px;
}
.section-head p {
    margin-top: 10px;
    color: var(--text-muted);
    font-size: 15px;
}
.business-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.business-card {
    position: relative;
    background: rgba(17,24,39,0.9);
    border-radius: 24px;
    padding: 28px 24px 24px;
    border: 1px solid rgba(99,132,255,0.14);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}
.business-card::before {
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 4px;
    background: var(--card-gradient, var(--gradient-main));
}
.business-top { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.business-icon {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--icon-bg, var(--primary-soft));
    color: var(--icon-color, var(--primary));
    font-size: 20px;
}
.business-top h3 { font-size: 22px; font-weight: 800; color: var(--text); }
.business-list { list-style: none; display: grid; gap: 12px; }
.business-list li {
    position: relative;
    padding-left: 24px;
    color: var(--text-dim);
    line-height: 1.75;
    font-size: 14px;
}
.business-list li::before {
    content: '\f058';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    top: 2px;
    color: var(--success);
    font-size: 14px;
}
.tone-blue { --card-gradient: linear-gradient(90deg, #5b5cf0 0%, #63a2ff 100%); --icon-bg: rgba(91, 92, 240, 0.12); --icon-color: #5b5cf0; }
.tone-purple { --card-gradient: linear-gradient(90deg, #8c57ff 0%, #d56bff 100%); --icon-bg: rgba(140, 87, 255, 0.12); --icon-color: #8c57ff; }
.tone-pink { --card-gradient: linear-gradient(90deg, #ff5db1 0%, #ff8a76 100%); --icon-bg: rgba(255, 93, 177, 0.12); --icon-color: #ff5db1; }
.tone-gold { --card-gradient: linear-gradient(90deg, #f7b733 0%, #fc814a 100%); --icon-bg: rgba(247, 183, 51, 0.14); --icon-color: #f59e0b; }
.tone-green { --card-gradient: linear-gradient(90deg, #18b76f 0%, #2dd4bf 100%); --icon-bg: rgba(24, 183, 111, 0.12); --icon-color: #18b76f; }
.tone-cyan { --card-gradient: linear-gradient(90deg, #41a5ff 0%, #5b8cff 100%); --icon-bg: rgba(65, 165, 255, 0.12); --icon-color: #3b82f6; }
.showcase-panel,
.demo-panel {
    background: var(--gradient-soft);
    border: 1px solid rgba(99,132,255,0.12);
    border-radius: 32px;
    padding: 34px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}
.phone-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; align-items: end; }
.device-item { text-align: center; transition: transform 0.45s ease; }
.device-item:nth-child(1) .phone { animation: floatDevice 6.2s ease-in-out infinite; }
.device-item:nth-child(2) .phone { animation: floatDevice 6.2s ease-in-out infinite 0.8s; }
.device-item:nth-child(3) .phone { animation: floatDevice 6.2s ease-in-out infinite 1.6s; }
.device-item:hover { transform: translateY(-8px); }
.phone {
    position: relative;
    width: 100%;
    max-width: 270px;
    margin: 0 auto;
    padding: 8px;
    border-radius: 46px;
    background: linear-gradient(145deg, #2b2f38 0%, #14171d 18%, #050608 52%, #161920 84%, #2d3139 100%);
    box-shadow: 0 26px 54px rgba(7, 10, 18, 0.28), inset 0 0 0 1px rgba(255,255,255,0.08), inset 0 0 0 2px rgba(0,0,0,0.3);
}
.phone::before {
    content: '';
    position: absolute;
    left: -2px;
    top: 124px;
    width: 3px;
    height: 54px;
    border-radius: 4px;
    background: linear-gradient(180deg, #555b66 0%, #1b1f27 100%);
}
.phone::after {
    content: '';
    position: absolute;
    right: -2px;
    top: 146px;
    width: 3px;
    height: 72px;
    border-radius: 4px;
    background: linear-gradient(180deg, #555b66 0%, #1b1f27 100%);
}
.phone-notch {
    position: absolute;
    top: 18px;
    left: 50%;
    transform: translateX(-50%);
    width: 74px;
    height: 20px;
    border-radius: 999px;
    background: #060708;
    z-index: 4;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.16);
    border: none;
}
.phone-notch span {
    display: none;
}
.phone-notch::before {
    content: '';
    position: absolute;
    display: none;
}
.phone-notch::after {
    content: '';
    position: absolute;
    right: 10px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
}
.phone-screen {
    min-height: 520px;
    border-radius: 38px;
    background: linear-gradient(180deg, #ffffff 0%, #f6f8ff 100%);
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.18), inset 0 0 0 1.5px rgba(0,0,0,0.08);
}
.phone-media {
    position: absolute;
    inset: 0;
    border-radius: 38px;
    overflow: hidden;
    background: linear-gradient(180deg, #eef2ff 0%, #f7f8ff 100%);
    cursor: zoom-in;
}
.phone-media img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    transition: transform 0.6s ease;
}
.phone.has-real-shot .phone-screen {
    background: #050608;
}
.phone.has-real-shot .phone-media {
    background: #050608;
}
.phone-media-zoom {
    position: absolute;
    left: 50%;
    bottom: 18px;
    transform: translateX(-50%);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(7, 11, 20, 0.72);
    border: 1px solid rgba(255,255,255,0.12);
    color: rgba(255,255,255,0.88);
    font-size: 12px;
    font-weight: 700;
    box-shadow: 0 10px 24px rgba(0,0,0,0.24);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.25s ease, transform 0.25s ease;
}
.phone-media-zoom i {
    font-size: 12px;
}
.device-item:hover .phone-media-zoom {
    opacity: 1;
    transform: translateX(-50%) translateY(-2px);
}
.device-item:hover .phone-media img {
    transform: scale(1.02);
}
.screen-banner {
    margin: 0 14px;
    border-radius: 18px;
    height: 112px;
    background: linear-gradient(135deg, #4c71ff 0%, #7c5cff 55%, #ff6cb2 100%);
    box-shadow: 0 12px 24px rgba(102, 92, 245, 0.22);
}
.screen-banner.alt-one { background: linear-gradient(135deg, #644bff 0%, #7d7bff 52%, #ff8f7a 100%); }
.screen-banner.alt-two { background: linear-gradient(135deg, #6f74ff 0%, #56b4ff 48%, #8be8ff 100%); }
.screen-shortcuts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; padding: 16px 14px 8px; }
.shortcut { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.shortcut-dot {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(91, 92, 240, 0.18), rgba(255, 93, 177, 0.18));
}
.shortcut span { color: var(--text-muted); font-size: 11px; font-weight: 700; }
.screen-list { padding: 8px 14px 70px; display: grid; gap: 12px; }
.screen-card {
    background: rgba(255,255,255,0.9);
    border: 1px solid rgba(132, 138, 203, 0.14);
    border-radius: 18px;
    padding: 12px;
    box-shadow: 0 8px 18px rgba(90, 97, 148, 0.08);
}
.screen-card-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.screen-thumb {
    width: 60px;
    height: 60px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(91, 92, 240, 0.18), rgba(255, 93, 177, 0.2));
}
.screen-lines { flex: 1; display: grid; gap: 8px; }
.screen-line { height: 10px; border-radius: 999px; background: rgba(131, 142, 198, 0.18); }
.screen-line.short { width: 68%; }
.screen-line.tiny { width: 42%; }
.screen-price { width: 48px; height: 20px; border-radius: 999px; background: rgba(91, 92, 240, 0.12); }
.screen-tabs {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    padding: 12px 16px 16px;
    background: rgba(255,255,255,0.94);
    border-top: 1px solid rgba(132, 138, 203, 0.14);
}
.screen-tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
    font-size: 10px;
    font-weight: 700;
}
.screen-tab i {
    width: 28px;
    height: 28px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(91, 92, 240, 0.08);
    color: var(--primary);
}
.section.is-visible .business-card,
.section.is-visible .pricing-card,
.section.is-visible .online-demo-card,
.section.is-visible .mindmap-card,
.section.is-visible .source-contact-card,
.section.is-visible .comparison-data-row,
.section.is-visible .device-item,
.section.is-visible .source-hotline-box {
    animation: liftIn 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
    animation-delay: var(--reveal-delay, 0ms);
}
.device-caption { margin-top: 16px; font-size: 18px; font-weight: 800; color: var(--text); }
.demo-browser {
    border-radius: 28px;
    overflow: hidden;
    background: #10131a;
    box-shadow: var(--shadow-lg);
}
.demo-video-box {
    border-radius: 28px;
    overflow: hidden;
    background: #10131a;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(122, 129, 200, 0.12);
}
.demo-video-box video {
    width: 100%;
    display: block;
    background: #000;
    max-height: 720px;
}
.browser-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 18px;
    background: #1b2030;
}
.browser-dots { display: flex; gap: 8px; }
.browser-dots span { width: 10px; height: 10px; border-radius: 50%; display: block; }
.browser-dots span:nth-child(1) { background: #ff6b6b; }
.browser-dots span:nth-child(2) { background: #f7b733; }
.browser-dots span:nth-child(3) { background: #4ade80; }
.browser-address {
    flex: 1;
    padding: 10px 16px;
    border-radius: 999px;
    background: rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.76);
    font-size: 13px;
    text-align: center;
}
.browser-body { display: grid; grid-template-columns: 210px 1fr; min-height: 520px; }
.browser-side { background: #161b27; padding: 22px 16px; display: grid; align-content: start; gap: 10px; }
.browser-side-item { height: 42px; border-radius: 14px; background: rgba(255,255,255,0.06); }
.browser-side-item.active { background: linear-gradient(135deg, rgba(91, 92, 240, 0.38), rgba(77, 137, 255, 0.18)); }
.browser-main { background: linear-gradient(180deg, #f9fbff 0%, #f3f6ff 100%); padding: 26px; }
.browser-metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.metric-card {
    background: #fff;
    border-radius: 20px;
    padding: 22px 18px;
    box-shadow: 0 10px 24px rgba(84, 94, 154, 0.08);
    border: 1px solid rgba(122, 129, 200, 0.12);
}
.metric-label { color: var(--text-muted); font-size: 13px; font-weight: 700; }
.metric-value { margin-top: 10px; font-size: 30px; font-weight: 900; color: var(--text); }
.browser-content { display: grid; grid-template-columns: 1.5fr 1fr; gap: 16px; margin-top: 16px; }
.chart-card,
.aside-card {
    background: #fff;
    border-radius: 22px;
    padding: 18px;
    border: 1px solid rgba(122, 129, 200, 0.12);
    box-shadow: 0 10px 24px rgba(84, 94, 154, 0.08);
}
.chart-card h4,
.aside-card h4 { font-size: 16px; font-weight: 800; color: var(--text); }
.chart-curve {
    position: relative;
    height: 230px;
    margin-top: 18px;
    border-radius: 18px;
    background: linear-gradient(180deg, rgba(91, 92, 240, 0.06) 0%, rgba(91, 92, 240, 0.01) 100%);
    overflow: hidden;
}
.chart-curve::before {
    content: '';
    position: absolute;
    inset: 18px 18px auto;
    height: 1px;
    background: rgba(122, 129, 200, 0.18);
    box-shadow: 0 56px 0 rgba(122, 129, 200, 0.18), 0 112px 0 rgba(122, 129, 200, 0.18), 0 168px 0 rgba(122, 129, 200, 0.18);
}
.chart-curve::after {
    content: '';
    position: absolute;
    left: 12px;
    right: 12px;
    bottom: 26px;
    height: 130px;
    background: linear-gradient(180deg, rgba(91, 92, 240, 0.14) 0%, rgba(91, 92, 240, 0.02) 100%);
    clip-path: polygon(0% 90%, 10% 80%, 22% 72%, 34% 58%, 46% 62%, 58% 36%, 70% 42%, 82% 18%, 100% 0%, 100% 100%, 0% 100%);
    border-radius: 18px;
}
.mini-card {
    margin-top: 14px;
    height: 92px;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(91, 92, 240, 0.12), rgba(255, 93, 177, 0.12));
}
.mini-list { margin-top: 14px; display: grid; gap: 12px; }
.mini-list span { height: 12px; border-radius: 999px; background: rgba(132, 138, 203, 0.16); display: block; }
.mini-list span.short { width: 62%; }
.tech-stack {
    display: flex;
    justify-content: center;
    gap: 18px;
    flex-wrap: wrap;
    margin-top: 28px;
}
.tech-stack span {
    padding: 12px 18px;
    border-radius: 999px;
    background: rgba(17,24,39,0.92);
    border: 1px solid rgba(99,132,255,0.12);
    color: var(--text-dim);
    font-size: 13px;
    font-weight: 800;
    box-shadow: var(--shadow-sm);
}
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(26, 31, 51, 0.42);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}
.showcase-preview-open {
    overflow: hidden;
}
.showcase-lightbox {
    position: fixed;
    inset: 0;
    z-index: 1200;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 28px;
    background: rgba(4, 8, 16, 0.82);
    backdrop-filter: blur(10px);
}
.showcase-lightbox-dialog {
    position: relative;
    max-width: min(92vw, 1200px);
    max-height: 88vh;
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid rgba(99,132,255,0.18);
    background: rgba(10, 15, 27, 0.96);
    box-shadow: var(--shadow-lg);
}
.showcase-lightbox-dialog img {
    display: block;
    max-width: 100%;
    max-height: 88vh;
    width: auto;
    height: auto;
    object-fit: contain;
}
.showcase-lightbox-close {
    position: absolute;
    top: 24px;
    right: 24px;
    z-index: 2;
    width: 48px;
    height: 48px;
    border: 0;
    border-radius: 50%;
    background: rgba(17,24,39,0.86);
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    box-shadow: 0 10px 24px rgba(0,0,0,0.28);
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal-box {
    background: rgba(17,24,39,0.98);
    width: 620px;
    max-width: 92vw;
    border-radius: 28px;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
    animation: slideUp 0.3s ease;
    border: 1px solid rgba(99,132,255,0.12);
}
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.modal-close {
    position: absolute;
    top: 18px;
    right: 22px;
    font-size: 22px;
    color: var(--text-muted);
    cursor: pointer;
    transition: 0.2s;
    background: none;
    border: none;
    outline: none;
    z-index: 10;
}
.modal-close:hover { color: var(--danger); transform: rotate(90deg); }
.modal-header { padding: 34px 32px 20px; text-align: center; }
.modal-header h2 { font-size: 26px; font-weight: 900; color: var(--text); margin-bottom: 8px; }
.modal-header p { font-size: 14px; color: var(--text-muted); }
.search-wrap { padding: 0 32px 32px; }
.search-box {
    display: flex;
    border-radius: 18px;
    overflow: hidden;
    background: #0c1322;
    border: 1px solid rgba(99, 132, 255, 0.14);
    transition: all 0.3s;
}
.search-box:focus-within {
    border-color: rgba(91, 92, 240, 0.24);
    box-shadow: 0 0 0 4px rgba(91, 92, 240, 0.08);
}
.search-box .icon-prefix { display: flex; align-items: center; padding-left: 18px; color: var(--text-muted); font-size: 18px; }
.search-box input {
    flex: 1;
    padding: 18px 16px;
    background: transparent;
    border: none;
    color: var(--text);
    font-size: 16px;
    outline: none;
}
.search-box input::placeholder { color: var(--text-muted); }
.search-box button {
    padding: 0 28px;
    margin: 6px 6px 6px 0;
    border-radius: 14px;
    border: none;
    background: var(--gradient-main);
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}
.search-box button:hover { transform: translateY(-1px); }
.search-box button:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.result-wrap { display: none; padding: 0 32px 32px; }
.result-card { border: 1px solid rgba(122, 129, 200, 0.14); border-radius: 20px; overflow: hidden; background: #fff; }
.result-card { border: 1px solid rgba(99, 132, 255, 0.14); border-radius: 20px; overflow: hidden; background: #0c1322; }
.result-header { padding: 26px; text-align: center; background: #121a2c; }
.result-icon {
    width: 76px;
    height: 76px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin-bottom: 16px;
    background: #fff;
}
.result-icon.success { color: var(--success); box-shadow: 0 10px 24px rgba(24, 183, 111, 0.18); }
.result-icon.danger { color: var(--danger); box-shadow: 0 10px 24px rgba(239, 68, 68, 0.18); }
.result-icon.warning { color: var(--warning); box-shadow: 0 10px 24px rgba(245, 158, 11, 0.18); }
.result-status { font-size: 22px; font-weight: 900; margin-bottom: 6px; }
.result-msg { color: var(--text-muted); font-size: 14px; }
.result-details { padding: 16px 24px; }
.result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px dashed rgba(122, 129, 200, 0.16);
    font-size: 14px;
}
.result-row:last-child { border-bottom: none; }
.result-row .label { color: var(--text-muted); }
.result-row .value { color: var(--text); font-weight: 700; text-align: right; }
.footer {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 36px 20px 52px;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 800;
    box-shadow: var(--shadow-sm);
}
.section-head-left {
    text-align: left;
    margin-bottom: 0;
}
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}
.pricing-card {
    position: relative;
    background: rgba(17,24,39,0.92);
    border: 1px solid rgba(99,132,255,0.12);
    border-radius: 28px;
    padding: 28px;
    box-shadow: var(--shadow-sm);
}
.pricing-card.featured {
    border-color: rgba(145, 92, 255, 0.32);
    box-shadow: 0 20px 40px rgba(85, 60, 180, 0.2);
}
.pricing-card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 14px;
}
.pricing-name {
    color: var(--text-dim);
    font-size: 15px;
    font-weight: 800;
}
.pricing-price {
    margin-top: 14px;
    font-size: 40px;
    line-height: 1;
    font-weight: 900;
    color: var(--text);
}
.pricing-desc {
    margin-top: 12px;
    color: var(--text-muted);
    font-size: 13px;
}
.pricing-badge {
    padding: 6px 10px;
    border-radius: 999px;
    background: linear-gradient(135deg, #595cff 0%, #8c57ff 100%);
    color: #fff;
    font-size: 11px;
    font-weight: 800;
}
.pricing-divider {
    height: 1px;
    background: rgba(99,132,255,0.12);
    margin: 22px 0;
}
.pricing-feature-list {
    display: grid;
    gap: 14px;
    list-style: none;
}
.pricing-feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: var(--text-dim);
    font-size: 14px;
    line-height: 1.7;
}
.pricing-feature-list li i {
    color: #4ade80;
    margin-top: 3px;
}
.pricing-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 48px;
    border-radius: 16px;
    margin-top: 24px;
    background: var(--gradient-main);
    color: #fff;
    font-size: 15px;
    font-weight: 800;
    box-shadow: 0 12px 24px rgba(92, 93, 240, 0.22);
}
.comparison-panel,
.online-demo-panel,
.mindmap-panel,
.source-plan-panel {
    background: var(--gradient-soft);
    border: 1px solid rgba(99,132,255,0.12);
    border-radius: 32px;
    padding: 34px;
    box-shadow: var(--shadow-sm);
}
.comparison-head-row,
.comparison-data-row {
    display: flex;
}
.comparison-head-row {
    border-radius: 24px 24px 0 0;
    overflow: hidden;
    border: 1px solid rgba(99,132,255,0.12);
}
.comparison-plan,
.comparison-cell {
    padding: 22px 20px;
}
.comparison-plan-label,
.comparison-label {
    flex: 0 0 220px;
}
.comparison-plan {
    flex: 1 0 220px;
    background: rgba(17,24,39,0.88);
    border-right: 1px solid rgba(99,132,255,0.12);
}
.comparison-plan:last-child {
    border-right: none;
}
.comparison-plan.accent {
    background: linear-gradient(180deg, rgba(102,92,245,0.16) 0%, rgba(17,24,39,0.92) 100%);
}
.comparison-plan-kicker {
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 1.4px;
}
.comparison-plan-title {
    margin-top: 8px;
    color: var(--text);
    font-size: 20px;
    font-weight: 900;
}
.comparison-plan-price {
    margin-top: 10px;
    color: #ff6fae;
    font-size: 28px;
    font-weight: 900;
}
.comparison-data-row {
    border-left: 1px solid rgba(99,132,255,0.12);
    border-right: 1px solid rgba(99,132,255,0.12);
    border-bottom: 1px solid rgba(99,132,255,0.12);
}
.comparison-data-row:last-child {
    border-radius: 0 0 24px 24px;
    overflow: hidden;
}
.comparison-cell {
    flex: 1 0 220px;
    background: rgba(12,19,34,0.8);
    color: var(--text-dim);
    font-size: 14px;
    line-height: 1.8;
    border-right: 1px solid rgba(99,132,255,0.12);
}
.comparison-cell:last-child {
    border-right: none;
}
.comparison-label {
    color: var(--text);
    font-weight: 800;
}
.comparison-emphasis {
    color: #cfd8ff;
}
.online-demo-grid,
.mindmap-grid,
.source-contact-grid {
    display: grid;
    gap: 22px;
}
.online-demo-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}
.online-demo-card {
    border-radius: 26px;
    border: 1px solid rgba(99,132,255,0.12);
    background: rgba(17,24,39,0.92);
    padding: 28px;
    box-shadow: var(--shadow-sm);
}
.online-demo-card.accent-pink .online-demo-icon {
    background: rgba(255, 93, 177, 0.12);
    color: #ff6fae;
}
.online-demo-card.accent-blue .online-demo-icon {
    background: rgba(91, 92, 240, 0.12);
    color: #6e85ff;
}
.online-demo-card.accent-purple .online-demo-icon {
    background: rgba(140, 87, 255, 0.12);
    color: #b687ff;
}
.online-demo-card.accent-green .online-demo-icon {
    background: rgba(32, 199, 122, 0.12);
    color: #33d38a;
}
.online-demo-icon,
.source-contact-icon {
    width: 62px;
    height: 62px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
}
.online-demo-card h3,
.source-contact-card h3 {
    margin-top: 18px;
    color: var(--text);
    font-size: 28px;
    font-weight: 900;
}
.online-demo-card p,
.source-contact-card p {
    margin-top: 10px;
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.8;
}
.online-demo-access {
    margin-top: 18px;
    border-radius: 18px;
    background: rgba(12,19,34,0.8);
    border: 1px solid rgba(99,132,255,0.12);
    padding: 18px;
}
.online-demo-label {
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 700;
}
.online-demo-value {
    margin-top: 10px;
    color: #8fb0ff;
    font-size: 16px;
    font-weight: 800;
    word-break: break-all;
}
.online-demo-helper {
    margin-top: 10px;
    color: #57d789;
    font-size: 13px;
}
.online-demo-btn,
.source-hotline-btn,
.source-contact-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    border-radius: 16px;
    font-size: 15px;
    font-weight: 800;
    color: #fff;
}
.online-demo-btn {
    width: 100%;
    margin-top: 20px;
    background: linear-gradient(135deg, #5b5cf0 0%, #3a6fff 100%);
}
.mindmap-image-box {
    border-radius: 28px;
    overflow: hidden;
    border: 1px solid rgba(99,132,255,0.12);
    background: rgba(255,255,255,0.98);
}
.mindmap-image-box img {
    width: 100%;
    display: block;
}
.mindmap-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}
.mindmap-card {
    position: relative;
    border-radius: 24px;
    padding: 24px;
    background: rgba(17,24,39,0.94);
    border: 1px solid rgba(99,132,255,0.12);
    box-shadow: var(--shadow-sm);
}
.mindmap-card::before {
    content: '';
    position: absolute;
    inset: 0 auto 0 0;
    width: 4px;
    border-radius: 24px 0 0 24px;
    background: var(--gradient-main);
}
.mindmap-card-title {
    color: var(--text);
    font-size: 18px;
    font-weight: 900;
}
.mindmap-list {
    margin-top: 16px;
    display: grid;
    gap: 12px;
    list-style: none;
}
.mindmap-list li {
    padding: 12px 14px;
    border-radius: 14px;
    background: rgba(12,19,34,0.86);
    border: 1px solid rgba(99,132,255,0.1);
    color: var(--text-dim);
    font-size: 14px;
    font-weight: 700;
}
.source-plan-panel {
    display: grid;
    gap: 28px;
}
.source-plan-main {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(320px, 420px);
    gap: 24px;
    align-items: stretch;
}
.source-hotline-box {
    display: flex;
    align-items: center;
    gap: 18px;
    justify-content: space-between;
    height: 100%;
    min-height: 168px;
    margin-top: 0;
    padding: 24px 26px;
    border-radius: 28px;
    background: linear-gradient(135deg, rgba(91,92,240,0.18) 0%, rgba(140,87,255,0.14) 48%, rgba(17,24,39,0.96) 100%);
    border: 1px solid rgba(122,129,200,0.18);
    box-shadow: 0 18px 40px rgba(18, 25, 52, 0.24);
}
.source-hotline-icon {
    width: 64px;
    height: 64px;
    border-radius: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.12);
    color: #dce5ff;
    font-size: 26px;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.08);
}
.source-hotline-text {
    flex: 1;
}
.source-hotline-title {
    color: rgba(231,236,255,0.72);
    font-size: 13px;
    font-weight: 700;
}
.source-hotline-number {
    margin-top: 8px;
    color: #fff;
    font-size: 32px;
    font-weight: 900;
    letter-spacing: -0.8px;
}
.source-hotline-btn {
    padding: 0 20px;
    background: var(--gradient-main);
    box-shadow: 0 12px 24px rgba(92, 93, 240, 0.22);
}
.source-contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
}
.source-contact-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    min-height: 100%;
    border-radius: 26px;
    padding: 24px 22px 22px;
    border: 1px solid rgba(99,132,255,0.12);
    background: rgba(17,24,39,0.94);
    box-shadow: var(--shadow-sm);
    text-align: left;
    overflow: hidden;
}
.source-contact-icon {
    background: rgba(91, 92, 240, 0.12);
    color: #8ea7ff;
}
.source-contact-card:nth-child(4n+1) .source-contact-icon {
    background: rgba(99, 211, 124, 0.12);
    color: #45d07e;
}
.source-contact-card:nth-child(4n+2) .source-contact-icon {
    background: rgba(91, 92, 240, 0.12);
    color: #7890ff;
}
.source-contact-card:nth-child(4n+3) .source-contact-icon {
    background: rgba(77, 137, 255, 0.12);
    color: #5da2ff;
}
.source-contact-card:nth-child(4n+4) .source-contact-icon {
    background: rgba(140, 87, 255, 0.12);
    color: #bb92ff;
}
.source-contact-card h3 {
    margin-top: 6px;
    font-size: 24px;
    line-height: 1.2;
}
.source-contact-name {
    color: var(--text);
    font-size: 18px;
    font-weight: 900;
}
.source-contact-card p {
    margin-top: -4px;
    min-height: 44px;
}
.source-contact-value {
    width: 100%;
    margin-top: auto;
    padding: 14px 16px;
    border-radius: 16px;
    background: rgba(12,19,34,0.82);
    border: 1px solid rgba(99,132,255,0.1);
    color: #9ab2ff;
    font-size: 16px;
    font-weight: 800;
    word-break: break-all;
}
.source-contact-qr {
    width: 100%;
    margin-top: auto;
    padding: 12px;
    border-radius: 18px;
    background: #fff;
}
.source-contact-qr img {
    width: 100%;
    max-height: 200px;
    display: block;
    border-radius: 12px;
    object-fit: contain;
}
.source-contact-btn {
    width: 100%;
    margin-top: 4px;
    background: linear-gradient(135deg, #5b5cf0 0%, #8c57ff 100%);
}
@keyframes heroReveal {
    0% {
        opacity: 0;
        transform: translate3d(0, 44px, 0) scale(0.96);
        filter: blur(14px);
    }
    100% {
        opacity: 1;
        transform: translate3d(0, 0, 0) scale(1);
        filter: blur(0);
    }
}
@keyframes liftIn {
    0% {
        opacity: 0;
        transform: translate3d(0, 48px, 0) scale(0.97);
    }
    100% {
        opacity: 1;
        transform: translate3d(0, 0, 0) scale(1);
    }
}
@keyframes floatDevice {
    0%,
    100% {
        transform: translate3d(0, 0, 0);
    }
    50% {
        transform: translate3d(0, -14px, 0);
    }
}
@media (prefers-reduced-motion: reduce) {
    .bg-glow,
    .bg-grid,
    .hero,
    .navbar,
    [data-reveal-item],
    .device-item,
    .phone,
    .business-card,
    .pricing-card,
    .online-demo-card,
    .mindmap-card,
    .source-contact-card,
    .comparison-data-row,
    .source-hotline-box,
    .showcase-panel,
    .demo-panel,
    .comparison-panel,
    .mindmap-panel,
    .source-plan-panel {
        animation: none !important;
        transition: none !important;
        transform: none !important;
        filter: none !important;
        opacity: 1 !important;
    }
}
@media (max-width: 1024px) {
    .navbar { padding: 16px 24px; }
    .hero-title { font-size: 52px; }
    .business-grid,
    .phone-grid,
    .pricing-grid,
    .mindmap-grid,
    .source-contact-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .browser-body,
    .browser-content,
    .online-demo-grid,
    .source-plan-panel { grid-template-columns: 1fr; }
    .comparison-head-row,
    .comparison-data-row { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 14px; }
    .nav-links { flex-wrap: wrap; }
    .main-container { padding: 0 16px 64px; }
    .hero { padding-top: 60px; }
    .hero-title { font-size: 42px; }
    .hero-sub { font-size: 16px; }
    .section-head h2 { font-size: 30px; }
    .business-grid,
    .phone-grid,
    .browser-metrics,
    .pricing-grid,
    .online-demo-grid,
    .mindmap-grid,
    .source-contact-grid { grid-template-columns: 1fr; }
    .showcase-panel,
    .demo-panel,
    .comparison-panel,
    .online-demo-panel,
    .mindmap-panel,
    .source-plan-panel,
    .modal-box { padding: 0; }
    .showcase-panel,
    .demo-panel,
    .comparison-panel,
    .online-demo-panel,
    .mindmap-panel,
    .source-plan-panel,
    .modal-box { border-radius: 24px; padding: 24px; }
    .browser-bar,
    .search-wrap,
    .result-wrap,
    .modal-header { padding-left: 20px; padding-right: 20px; }
    .browser-body { min-height: unset; }
    .browser-main { padding: 18px; }
    .source-hotline-box { flex-direction: column; align-items: flex-start; }
    .source-hotline-btn { width: 100%; }
}
@media (max-width: 560px) {
    .page-shell { padding: 0 14px 56px; }
    .section-head h2 { font-size: 30px; }
    .hero-title { font-size: 34px; }
    .btn-sub { width: 100%; }
    .search-wrap,
    .result-wrap,
    .modal-header { padding-left: 18px; padding-right: 18px; }
}