@charset "UTF-8";

:root {
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --secondary: #a855f7;
    --secondary-light: #c084fc;
    --accent: #06b6d4;
    --accent-light: #22d3ee;
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --gradient-warm: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    --gradient-cool: linear-gradient(135deg, #06b6d4 0%, #6366f1 100%);
    --gradient-soft: linear-gradient(135deg, #e0e7ff 0%, #f0e6ff 100%);
    --text-primary: #1e1b4b;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --bg-white: #ffffff;
    --bg-light: #f8f9ff;
    --bg-lighter: #f3f4ff;
    --border-color: #e5e7eb;
    --border-light: #f3f4f6;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    --shadow-sm: 0 1px 3px rgba(99, 102, 241, 0.08);
    --shadow-md: 0 4px 16px rgba(99, 102, 241, 0.1);
    --shadow-lg: 0 8px 32px rgba(99, 102, 241, 0.12);
    --shadow-xl: 0 16px 48px rgba(99, 102, 241, 0.15);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
/* 星星评论开始 */
.aiarticle-comment-rating-icon{
    display:inline-block !important;
    width:auto !important;
    height:auto !important;
    margin-right:2px;
    color:#ffb400 !important;
    font-style:normal !important;
    font-weight:normal !important;
    line-height:1 !important;
    vertical-align:middle;
    text-decoration:none !important;
}

.aiarticle-comment-rating-icon:before{
    font-family:Arial,"Segoe UI Symbol","Noto Sans Symbols","Microsoft YaHei",sans-serif !important;
    font-style:normal !important;
    font-weight:normal !important;
    line-height:1 !important;
}

.aiarticle-comment-rating-icon.fa-star:before{
    content:"\2605" !important;
}

.aiarticle-comment-rating-icon.fa-star-o:before{
    content:"\2606" !important;
}

.aiarticle-comment-rating-icon:last-child{
    margin-right:0;
}
/* 星星评论结束 */

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; -webkit-text-size-adjust: 100%; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    color: var(--text-primary); background: var(--bg-white);
    line-height: 1.6; overflow-x: hidden;
    -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
}
a {
    text-decoration: none; color: inherit;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none; user-select: none;
}
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

[class^="icon-"], [class*=" icon-"] {
    display: inline-block; width: 20px; height: 20px; vertical-align: middle;
    background-color: currentColor;
    mask-size: contain; mask-position: center; mask-repeat: no-repeat;
    -webkit-mask-size: contain; -webkit-mask-position: center; -webkit-mask-repeat: no-repeat;
}
.icon-chat-bubble { mask-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cGF0aCBkPSJNMjEgMTVhMiAyIDAgMCAxLTIgMkg3bC00IDRWNWEyIDIgMCAwIDEgMi0yaDE0YTIgMiAwIDAgMSAyIDJ6Ii8+PC9zdmc+Cg=="); -webkit-mask-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cGF0aCBkPSJNMjEgMTVhMiAyIDAgMCAxLTIgMkg3bC00IDRWNWEyIDIgMCAwIDEgMi0yaDE0YTIgMiAwIDAgMSAyIDJ6Ii8+PC9zdmc+Cg=="); }
.icon-heart { mask-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cGF0aCBkPSJNMjAuODQgNC42MWE1LjUgNS41IDAgMCAwLTcuNzggMEwxMiA1LjY3bC0xLjA2LTEuMDZhNS41IDUuNSAwIDAgMC03Ljc4IDcuNzhsMS4wNiAxLjA2TDEyIDIxLjIzbDcuNzgtNy43OCAxLjA2LTEuMDZhNS41IDUuNSAwIDAgMCAwLTcuNzh6Ii8+PC9zdmc+Cg=="); -webkit-mask-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cGF0aCBkPSJNMjAuODQgNC42MWE1LjUgNS41IDAgMCAwLTcuNzggMEwxMiA1LjY3bC0xLjA2LTEuMDZhNS41IDUuNSAwIDAgMC03Ljc4IDcuNzhsMS4wNiAxLjA2TDEyIDIxLjIzbDcuNzgtNy43OCAxLjA2LTEuMDZhNS41IDUuNSAwIDAgMCAwLTcuNzh6Ii8+PC9zdmc+Cg=="); }
.icon-star { mask-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cG9seWdvbiBwb2ludHM9IjEyIDIgMTUuMDkgOC4yNiAyMiA5LjI3IDE3IDE0LjE0IDE4LjE4IDIxLjAyIDEyIDE3Ljc3IDUuODIgMjEuMDIgNyAxNC4xNCAyIDkuMjcgOC45MSA4LjI2IDEyIDIiLz48L3N2Zz4K"); -webkit-mask-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cG9seWdvbiBwb2ludHM9IjEyIDIgMTUuMDkgOC4yNiAyMiA5LjI3IDE3IDE0LjE0IDE4LjE4IDIxLjAyIDEyIDE3Ljc3IDUuODIgMjEuMDIgNyAxNC4xNCAyIDkuMjcgOC45MSA4LjI2IDEyIDIiLz48L3N2Zz4K"); }
.icon-download { mask-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cGF0aCBkPSJNMjEgMTV2NGEyIDIgMCAwIDEtMiAySDVhMiAyIDAgMCAxLTItMnYtNCIvPjxwb2x5bGluZSBwb2ludHM9IjcgMTAgMTIgMTUgMTcgMTAiLz48bGluZSB4MT0iMTIiIHkxPSIxNSIgeDI9IjEyIiB5Mj0iMyIvPjwvc3ZnPgo="); -webkit-mask-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cGF0aCBkPSJNMjEgMTV2NGEyIDIgMCAwIDEtMiAySDVhMiAyIDAgMCAxLTItMnYtNCIvPjxwb2x5bGluZSBwb2ludHM9IjcgMTAgMTIgMTUgMTcgMTAiLz48bGluZSB4MT0iMTIiIHkxPSIxNSIgeDI9IjEyIiB5Mj0iMyIvPjwvc3ZnPgo="); }
.icon-sparkle { mask-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cGF0aCBkPSJNMTIgMmwyLjQgNy4yaDcuNmwtNiA0LjggMi40IDcuMi02LjQtNC44LTYuNCA0LjggMi40LTcuMi02LTQuOGg3LjZ6Ii8+PC9zdmc+Cg=="); -webkit-mask-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cGF0aCBkPSJNMTIgMmwyLjQgNy4yaDcuNmwtNiA0LjggMi40IDcuMi02LjQtNC44LTYuNCA0LjggMi40LTcuMi02LTQuOGg3LjZ6Ii8+PC9zdmc+Cg=="); }
.icon-shield { mask-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cGF0aCBkPSJNMTIgMjJzOC00IDgtMTBWNWwtOC0zLTggM3Y3YzAgNiA4IDEwIDggMTB6Ii8+PC9zdmc+Cg=="); -webkit-mask-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cGF0aCBkPSJNMTIgMjJzOC00IDgtMTBWNWwtOC0zLTggM3Y3YzAgNiA4IDEwIDggMTB6Ii8+PC9zdmc+Cg=="); }
.icon-users { mask-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cGF0aCBkPSJNMTcgMjF2LTJhNCA0IDAgMCAwLTQtNEg1YTQgNCAwIDAgMC00IDR2MiIvPjxjaXJjbGUgY3g9IjkiIGN5PSI3IiByPSI0Ii8+PHBhdGggZD0iTTIzIDIxdi0yYTQgNCAwIDAgMC0zLTMuODciLz48cGF0aCBkPSJNMTYgMy4xM2E0IDQgMCAwIDEgMCA3Ljc1Ii8+PC9zdmc+Cg=="); -webkit-mask-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cGF0aCBkPSJNMTcgMjF2LTJhNCA0IDAgMCAwLTQtNEg1YTQgNCAwIDAgMC00IDR2MiIvPjxjaXJjbGUgY3g9IjkiIGN5PSI3IiByPSI0Ii8+PHBhdGggZD0iTTIzIDIxdi0yYTQgNCAwIDAgMC0zLTMuODciLz48cGF0aCBkPSJNMTYgMy4xM2E0IDQgMCAwIDEgMCA3Ljc1Ii8+PC9zdmc+Cg=="); }
.icon-arrow-right { mask-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48bGluZSB4MT0iNSIgeTE9IjEyIiB4Mj0iMTkiIHkyPSIxMiIvPjxwb2x5bGluZSBwb2ludHM9IjEyIDUgMTkgMTIgMTIgMTkiLz48L3N2Zz4K"); -webkit-mask-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48bGluZSB4MT0iNSIgeTE9IjEyIiB4Mj0iMTkiIHkyPSIxMiIvPjxwb2x5bGluZSBwb2ludHM9IjEyIDUgMTkgMTIgMTIgMTkiLz48L3N2Zz4K"); }
.icon-check { mask-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cG9seWxpbmUgcG9pbnRzPSIyMCA2IDkgMTcgNCAxMiIvPjwvc3ZnPgo="); -webkit-mask-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cG9seWxpbmUgcG9pbnRzPSIyMCA2IDkgMTcgNCAxMiIvPjwvc3ZnPgo="); }
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.icon-music { mask-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cGF0aCBkPSJNOSAxOFY1bDEyLTJ2MTMiLz48Y2lyY2xlIGN4PSI2IiBjeT0iMTgiIHI9IjMiLz48Y2lyY2xlIGN4PSIxOCIgY3k9IjE2IiByPSIzIi8+PC9zdmc+"); -webkit-mask-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cGF0aCBkPSJNOSAxOFY1bDEyLTJ2MTMiLz48Y2lyY2xlIGN4PSI2IiBjeT0iMTgiIHI9IjMiLz48Y2lyY2xlIGN4PSIxOCIgY3k9IjE2IiByPSIzIi8+PC9zdmc+"); }
.icon-inline { width: 14px; height: 14px; vertical-align: -2px; }
.icon-bubbly-logo { width: 40px; height: 40px; background-color: transparent; background-image: url("data:image/svg+xml;base64,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"); background-size: contain; background-position: center; background-repeat: no-repeat; }

.header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent; transition: var(--transition);
    transform: translateZ(0); -webkit-transform: translateZ(0);
    will-change: transform; -webkit-backface-visibility: hidden; backface-visibility: hidden;
}
.header.scrolled { border-bottom-color: var(--border-light); box-shadow: var(--shadow-sm); }
.header .container { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-img { width: 40px; height: 40px; flex-shrink: 0; }
.logo-text {
    font-size: 22px; font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.nav-list { display: flex; align-items: center; gap: 4px; }
.nav-list li a {
    display: block; padding: 8px 18px; font-size: 15px; font-weight: 500;
    color: var(--text-secondary); border-radius: var(--radius-full); transition: var(--transition);
    cursor: pointer;
}
.nav-list li a:hover, .nav-list li a.active { color: var(--primary); background: rgba(99, 102, 241, 0.06); }
.hamburger { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; border-radius: var(--radius-sm); }
.hamburger .icon-menu, .hamburger .icon-close { width: 24px; height: 24px; color: var(--text-primary); }

.section { padding: 100px 0; }
.section-header { text-align: center; max-width: 640px; margin: 0 auto 60px; }
.section-tag {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 6px 16px; font-size: 13px; font-weight: 600;
    color: var(--primary); background: rgba(99, 102, 241, 0.08);
    border-radius: var(--radius-full); margin-bottom: 16px;
}
.section-tag [class^="icon-"] { width: 16px; height: 16px; }
.section-title { font-size: 40px; font-weight: 800; line-height: 1.25; margin-bottom: 16px; }
.section-desc { font-size: 17px; color: var(--text-secondary); line-height: 1.7; }
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 28px; font-size: 16px; font-weight: 600; border-radius: var(--radius-full); transition: var(--transition); white-space: nowrap; }
.btn [class^="icon-"] { width: 18px; height: 18px; }
.btn-primary { background: var(--gradient-primary); color: #fff; box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(99, 102, 241, 0.4); }
.btn-outline { color: var(--primary); border: 2px solid rgba(99, 102, 241, 0.2); }
.btn-outline:hover { border-color: var(--primary); background: rgba(99, 102, 241, 0.04); }

.hero { position: relative; padding: 160px 0 100px; overflow: hidden; background: var(--bg-light); }
.hero-bg-shapes { position: absolute; inset: 0; pointer-events: none; }
.shape { position: absolute; border-radius: 50%; opacity: 0.15; filter: blur(60px); }
.shape-1 { width: 400px; height: 400px; background: var(--primary); top: -100px; right: -100px; }
.shape-2 { width: 300px; height: 300px; background: var(--secondary); bottom: -50px; left: -80px; }
.shape-3 { width: 200px; height: 200px; background: var(--accent); top: 50%; left: 30%; }
.hero-container { display: flex; align-items: center; gap: 60px; position: relative; z-index: 1; }
.hero-content { flex: 1; min-width: 0; }
.hero-badge { display: inline-flex; align-items: center; gap: 6px; padding: 8px 20px; font-size: 14px; font-weight: 600; color: var(--primary); background: rgba(99, 102, 241, 0.08); border-radius: var(--radius-full); margin-bottom: 24px; }
.hero-badge [class^="icon-"] { width: 16px; height: 16px; }
.hero-title { font-size: 52px; font-weight: 900; line-height: 1.15; margin-bottom: 12px; }
.hero-subtitle { font-size: 24px; font-weight: 600; color: var(--text-secondary); white-space: nowrap; margin-bottom: 24px; line-height: 1.4; }
.hero-desc { font-size: 18px; color: var(--text-secondary); line-height: 1.8; max-width: 520px; margin-bottom: 36px; }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-stats { display: flex; gap: 40px; }
.stat-item { display: flex; flex-direction: column; }
.stat-num { font-size: 28px; font-weight: 800; color: var(--primary); }
.stat-label { font-size: 14px; color: var(--text-muted); margin-top: 2px; }

.hero-visual { flex: 1; display: flex; align-items: center; justify-content: center; min-width: 0; overflow: visible; padding: 20px 0; }
.visual-cards { position: relative; width: 320px; }
.visual-card { background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); padding: 24px 20px; position: relative; }

.visual-card-main { z-index: 3; }
.visual-card-badge { display: inline-block; padding: 4px 12px; background: var(--gradient-primary); color: #fff; border-radius: var(--radius-full); font-size: 12px; font-weight: 700; margin-bottom: 16px; }
.visual-card-users { display: flex; align-items: center; margin-bottom: 16px; }
.visual-avatar {
    width: 36px; height: 36px; border-radius: 50%; color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; font-weight: 700; border: 2px solid #fff;
    margin-right: -8px;
}
.visual-avatar-more { background: #e0e7ff; color: var(--primary); font-size: 11px; }
.visual-card-stat { display: flex; align-items: baseline; gap: 8px; margin-bottom: 8px; }
.visual-card-stat strong { font-size: 28px; font-weight: 800; color: var(--primary); }
.visual-card-stat span { font-size: 13px; color: var(--text-muted); }
.visual-card-bar { height: 6px; background: #e5e7eb; border-radius: 3px; margin-bottom: 16px; overflow: hidden; }
.visual-card-bar-fill { height: 100%; background: var(--gradient-primary); border-radius: 3px; transition: width 1s ease; }
.visual-card-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.visual-card-tags span { display: inline-flex; align-items: center; gap: 4px; padding: 4px 10px; background: #f0f0ff; border-radius: var(--radius-full); font-size: 12px; color: var(--primary); }
.visual-card-tags [class^="icon-"] { width: 14px; height: 14px; }

.visual-card-sub { padding: 16px 14px; position: absolute; z-index: 2; width: 160px; }
.visual-card-sub-1 { top: 10px; right: -170px; }
.visual-card-sub-2 { bottom: 10px; left: -170px; }
.visual-card-icon {
    width: 40px; height: 40px; border-radius: var(--radius-md); display: flex;
    align-items: center; justify-content: center; margin-bottom: 10px;
}
.visual-card-sub-1 .visual-card-icon { background: rgba(99,102,241,0.1); color: var(--primary); }
.visual-card-sub-2 .visual-card-icon { background: rgba(236,72,153,0.1); color: #ec4899; }
.visual-card-icon [class^="icon-"] { width: 22px; height: 22px; }
.visual-card-sub strong { display: block; font-size: 14px; margin-bottom: 4px; color: var(--text-primary); }
.visual-card-sub p { font-size: 12px; color: var(--text-muted); line-height: 1.5; margin: 0; }
.visual-card-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--primary); position: absolute; top: 12px; right: 12px; animation: pulse-dot 2s ease-in-out infinite; }
.visual-card-dot-green { background: #10b981; }

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.features { background: var(--bg-white); }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
    background: #fff; border: 1px solid var(--border-light);
    border-radius: var(--radius-xl); padding: 32px 28px;
    transition: var(--transition); display: flex; flex-direction: column; gap: 18px;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-xl); border-color: transparent; }
.feature-card-highlight { background: var(--gradient-soft); border-color: transparent; }

.feature-icon-circle {
    width: 56px; height: 56px; border-radius: 50%;
    background: rgba(99, 102, 241, 0.08);
    display: flex; align-items: center; justify-content: center;
}
.feature-card-highlight .feature-icon-circle { background: rgba(99, 102, 241, 0.15); }
.feature-icon-circle [class^="icon-"] { width: 26px; height: 26px; color: var(--primary); }

.feature-title { font-size: 20px; font-weight: 700; }
.feature-desc { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

.feature-list { display: flex; flex-direction: column; gap: 8px; }
.feature-list li { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-secondary); }
.feature-list li [class^="icon-"] { width: 15px; height: 15px; color: var(--primary); flex-shrink: 0; }

.advantages { background: var(--bg-light); }
.adv-item { display: flex; align-items: center; gap: 80px; margin-bottom: 80px; }
.adv-item:last-child { margin-bottom: 0; }
.adv-reverse { flex-direction: row-reverse; }
.adv-text { flex: 1; min-width: 0; }
.adv-num {
    display: inline-block; font-size: 48px; font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text; opacity: 0.3; margin-bottom: 8px; line-height: 1;
}
.adv-text h3 { font-size: 28px; font-weight: 700; margin-bottom: 16px; }
.adv-text p { font-size: 15px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 20px; }
.adv-checklist { display: flex; flex-direction: column; gap: 10px; }
.adv-checklist li { display: flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 500; }
.adv-checklist li [class^="icon-"] { width: 18px; height: 18px; color: var(--primary); flex-shrink: 0; }
.adv-visual { flex: 1; min-width: 0; display: flex; justify-content: center; }

.adv-visual-card {
    width: 100%; max-width: 420px; aspect-ratio: 4/3;
    border-radius: var(--radius-xl); padding: 40px;
    display: flex; flex-direction: column; align-items: center;
    justify-content: center; gap: 28px;
    box-shadow: var(--shadow-lg); overflow: hidden; position: relative;
}
.adv-card-gradient-1 { background: linear-gradient(135deg, #ecfdf5 0%, #e0e7ff 100%); }
.adv-card-gradient-2 { background: linear-gradient(135deg, #f0e6ff 0%, #e0e7ff 100%); }
.adv-card-gradient-3 { background: linear-gradient(135deg, #fff5f5 0%, #f0e6ff 100%); }

.adv-visual-icon {
    width: 72px; height: 72px; border-radius: 50%;
    background: var(--gradient-primary); display: flex;
    align-items: center; justify-content: center;
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.25);
}
.adv-visual-icon [class^="icon-"] { width: 32px; height: 32px; color: #fff; }

.adv-stats-row { display: flex; gap: 20px; width: 100%; }
.adv-stat {
    flex: 1; text-align: center; background: rgba(255,255,255,0.6);
    border-radius: var(--radius-md); padding: 16px 8px;
}
.adv-stat strong {
    display: block; font-size: 22px; font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text; margin-bottom: 4px;
}
.adv-stat span { font-size: 12px; color: var(--text-muted); line-height: 1.4; }

.scenarios { background: var(--bg-white); }
.scenarios-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.scenario-card {
    border-radius: var(--radius-xl); overflow: hidden;
    background: #fff; border: 1px solid var(--border-light);
    transition: var(--transition);
}
.scenario-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }

.scenario-top {
    height: 160px; display: flex; align-items: center; justify-content: center;
}
.s-top-1 { background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 100%); }
.s-top-2 { background: linear-gradient(135deg, #f0e6ff 0%, #e0e7ff 100%); }
.s-top-3 { background: linear-gradient(135deg, #cffafe 0%, #e0e7ff 100%); }
.s-top-4 { background: linear-gradient(135deg, #fce7f3 0%, #f0e6ff 100%); }
.s-top-5 { background: linear-gradient(135deg, #fef3c7 0%, #fce7f3 100%); }
.s-top-6 { background: linear-gradient(135deg, #d1fae5 0%, #cffafe 100%); }

.scenario-icon { width: 52px; height: 52px; color: var(--primary); opacity: 0.55; }
.scenario-bottom { padding: 24px; }
.scenario-bottom h4 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.scenario-bottom p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

.download { background: var(--bg-light); }
.download-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 24px; margin: 0 auto; }
.download-card {
    background: #fff; border: 2px solid var(--border-light);
    border-radius: var(--radius-xl); padding: 40px 28px; text-align: center;
    position: relative;
}
.download-platform-icon {
    width: 72px; height: 72px; margin: 0 auto 20px;
    background: var(--bg-lighter); border-radius: var(--radius-lg);
    display: flex; align-items: center; justify-content: center; color: var(--primary);
}
.download-platform-icon .icon-apple,
.download-platform-icon .icon-android { width: 40px; height: 48px; }
.download-card h3 { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
.download-card > p { font-size: 14px; color: var(--text-secondary); margin-bottom: 16px; line-height: 1.6; }
.download-version {
    display: inline-block; font-size: 12px; color: var(--text-muted);
    background: var(--bg-lighter); padding: 4px 12px;
    border-radius: var(--radius-full); margin-bottom: 20px;
}
.btn-download, .btn-download-outline {
    display: flex; align-items: center; justify-content: center; gap: 8px;
    width: 100%; padding: 14px; font-size: 15px; font-weight: 600;
    border-radius: var(--radius-full); transition: var(--transition); margin-bottom: 10px;
}
.btn-download {
    background: var(--gradient-primary); color: #fff;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
}
.btn-download:hover { box-shadow: 0 8px 24px rgba(99, 102, 241, 0.35); }
.btn-download-outline { color: var(--primary); border: 2px solid rgba(99, 102, 241, 0.2); background: #fff; }
.btn-download-outline:hover { border-color: var(--primary); background: rgba(99, 102, 241, 0.04); }
.btn-download-outline:last-child { margin-bottom: 0; }

.reviews { background: var(--bg-white); }
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.review-card {
    background: #fff; border: 1px solid var(--border-light);
    border-radius: var(--radius-xl); padding: 32px; transition: var(--transition);
}
.review-card:hover { box-shadow: var(--shadow-lg); border-color: transparent; }
.review-rating { display: flex; gap: 4px; margin-bottom: 16px; }
.review-rating [class^="icon-"] { width: 18px; height: 18px; color: #f59e0b; }
.star-filled { color: #f59e0b !important; }
.review-text { font-size: 15px; color: var(--text-primary); line-height: 1.8; margin-bottom: 20px; font-style: italic; }
.review-author { display: flex; align-items: center; gap: 12px; }
.review-avatar {
    width: 44px; height: 44px; border-radius: 50%; background: var(--gradient-primary);
    color: #fff; display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 18px; flex-shrink: 0;
}
.review-author strong { display: block; font-size: 15px; font-weight: 600; }
.review-author span { font-size: 13px; color: var(--text-muted); }

.footer { background: #1e1b4b; color: #c7d2fe; padding: 60px 0 24px; }
.footer-top { display: flex; gap: 60px; flex-wrap: wrap; margin-bottom: 40px; }
.footer-brand { flex: 1.5; min-width: 250px; }
.footer-links-grid { display: contents; }
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-logo .icon-bubbly-logo { width: 36px; height: 36px; }
.footer-logo span { font-size: 20px; font-weight: 800; color: #fff; }
.footer-brand p { font-size: 14px; line-height: 1.7; margin-bottom: 20px; color: #a5b4fc; }
.footer-social { display: flex; gap: 12px; }
.social-link {
    width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,0.1);
    display: flex; align-items: center; justify-content: center;
    transition: var(--transition); color: #c7d2fe;
}
.social-link:hover { background: var(--primary); color: #fff; }
.social-link [class^="icon-"] { width: 18px; height: 18px; }
.footer-links-col { flex: 1; min-width: 140px; }
.footer-links-col h4 { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-links-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links-col ul li { font-size: 14px; color: #a5b4fc; display: flex; align-items: center; gap: 8px; }
.footer-links-col ul li a { color: #a5b4fc; transition: var(--transition); }
.footer-links-col ul li a:hover { color: #fff; }
.footer-links-col ul li [class^="icon-"] { width: 16px; height: 16px; opacity: 0.7; flex-shrink: 0; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; text-align: center; font-size: 14px; color: #6366a1; }

@media (max-width: 1024px) {
    .hero-container { flex-direction: column; text-align: center; }
    .hero-content { display: flex; flex-direction: column; align-items: center; }
    .hero-desc { max-width: 100%; }
    .hero-stats { justify-content: center; }
    .visual-cards { width: 320px; }
    .visual-card-sub { position: relative; top: auto; bottom: auto; left: auto; right: auto; width: 100%; margin-top: 16px; }
    .visual-card-sub-1 { margin-top: 24px; }
    .visual-card-sub-2 { margin-top: 12px; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .scenarios-grid { grid-template-columns: repeat(2, 1fr); }
    .download-grid { grid-template-columns: repeat(2, 1fr); max-width: none; }
    .reviews-grid { grid-template-columns: repeat(2, 1fr); }
    .adv-item, .adv-item.adv-reverse { flex-direction: column; gap: 40px; text-align: center; }
    .adv-checklist { align-items: center; }
}

@media (max-width: 768px) {
    .section { padding: 60px 0; }
    .section-title { font-size: 30px; }
    .section-desc { font-size: 15px; }
    .section-header { margin-bottom: 40px; }
    .header .container { height: 60px; }
    .logo-img { width: 32px; height: 32px; }
    .logo-text { font-size: 18px; }
    .hamburger { display: flex; }
    .nav {
        position: fixed; top: 60px; left: 0; right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--border-light);
        padding: 16px 0; transform: translateY(-110%); opacity: 0;
        transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: var(--shadow-lg);
    }
    .nav.active { transform: translateY(0); opacity: 1; }
    .nav-list { flex-direction: column; gap: 0; padding: 0 16px; }
    .nav-list li a { padding: 14px 20px; font-size: 16px; border-radius: var(--radius-sm); }
    .hero { padding: 100px 0 60px; }
    .hero-title { font-size: 34px; }
    .hero-subtitle { font-size: 18px; }
    .hero-desc { font-size: 15px; }
    .hero-btns { flex-direction: column; width: 100%; max-width: 320px; }
    .btn { justify-content: center; }
    .hero-stats { gap: 24px; }
    .stat-num { font-size: 22px; }
    .visual-cards { width: 100%; max-width: 320px; padding: 0 20px; }
    .visual-card-sub { position: relative; top: auto; bottom: auto; left: auto; right: auto; width: 100%; margin-top: 16px; }
    .visual-card-dot { display: none; }
    .features-grid { grid-template-columns: 1fr; }
    .scenarios-grid { grid-template-columns: 1fr; }
    .download-grid { grid-template-columns: 1fr; max-width: 380px; }
    .reviews-grid { grid-template-columns: 1fr; }
    .footer-top { display: grid; grid-template-columns: 1fr; gap: 32px; }
    .footer-brand { text-align: center; grid-column: 1; }
    .footer-links-col { text-align: center; }
    .footer-links-col ul li { justify-content: center; }
    .footer-links-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .adv-visual-card { max-width: 100%; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .hero-title { font-size: 28px; }
    .hero-subtitle { font-size: 16px; }
    .hero-badge { font-size: 12px; padding: 6px 14px; }
    .section-title { font-size: 26px; }
    .hero-stats { gap: 20px; flex-wrap: wrap; justify-content: center; }
    .stat-num { font-size: 20px; }
    .visual-cards { padding: 0 10px; }
    .visual-card-main { max-width: 100%; padding: 20px 16px; }
    .visual-card-badge { font-size: 11px; padding: 3px 10px; }
    .visual-card-stat strong { font-size: 24px; }
    .visual-avatar { width: 30px; height: 30px; font-size: 12px; }
    .visual-card-sub { padding: 14px 12px; }
    .visual-card-sub strong { font-size: 13px; }
    .visual-card-sub p { font-size: 11px; }
    .download-card { padding: 28px 20px; }
    .feature-card { padding: 20px 16px; }
    .adv-text h3 { font-size: 22px; }
}