@charset "UTF-8";

:root {
  --c-bg: #ece5f5;
  --c-bg-alt: #e0d6f0;
  --c-bg-warm: #f2edf8;
  --c-surface: #fff;
  --c-surface-hover: #f7f2fd;
  --c-border: rgba(100, 70, 170, 0.2);
  --c-border-hover: rgba(100, 70, 170, 0.38);
  --c-border-strong: rgba(100, 70, 170, 0.3);
  --c-text: #1a1530;
  --c-text-secondary: rgba(26, 21, 48, 0.65);
  --c-text-tertiary: rgba(26, 21, 48, 0.42);
  --c-primary: #6c3fb5;
  --c-primary-dark: #552c9a;
  --c-primary-light: #8b5cf6;
  --c-primary-soft: #b794f4;
  --c-accent: #4a6dc5;
  --c-accent-dark: #3858a8;
  --c-accent-soft: #7b9cdb;
  --c-purple: #7c3aed;
  --c-purple-soft: #c4b5fd;
  --c-warm: #e8785a;
  --c-warm-soft: #f4a390;
  --c-teal: #3b8b8b;
  --c-teal-soft: #6dbdbd;
  --c-gradient-1: linear-gradient(135deg, #6c3fb5, #4a6dc5);
  --c-gradient-2: linear-gradient(135deg, #8b5cf6, #7b9cdb);
  --c-gradient-3: linear-gradient(135deg, #7c3aed, #5b4fd4);
  --c-gradient-4: linear-gradient(135deg, #6c3fb5, #8b5cf6);
  --c-gradient-accent: linear-gradient(135deg, #4a6dc5, #6c3fb5);
  --c-gradient-warm: linear-gradient(135deg, #e8785a, #c44d6e);
  --c-gradient-hero: linear-gradient(170deg, #e8dff5 0%, #dcd0f2 25%, #d5c8ed 50%, #dfd4f2 75%, #e8dff5 100%);
  --c-gradient-section: linear-gradient(180deg, #e0d6f0 0%, #d9ceec 50%, #e0d6f0 100%);
  --c-gradient-section-alt: linear-gradient(180deg, #ece5f5 0%, #e4daf2 50%, #ece5f5 100%);
  --shadow-xs: 0 1px 4px rgba(60, 30, 100, 0.06);
  --shadow-card: 0 2px 12px rgba(60, 30, 100, 0.08), 0 8px 28px rgba(60, 30, 100, 0.05);
  --shadow-card-hover: 0 6px 24px rgba(60, 30, 100, 0.14), 0 16px 48px rgba(60, 30, 100, 0.08);
  --shadow-glow: 0 0 60px rgba(108, 63, 181, 0.22);
  --shadow-glow-blue: 0 0 50px rgba(74, 109, 197, 0.2);
  --shadow-phone: 0 28px 80px rgba(50, 20, 100, 0.16), 0 12px 30px rgba(50, 20, 100, 0.1);
  --shadow-btn: 0 4px 20px rgba(108, 63, 181, 0.35);
  --shadow-btn-hover: 0 8px 30px rgba(108, 63, 181, 0.45);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 36px;
  --max-width: 1200px;
  --nav-h: 68px;
  --ease-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --t-fast: 0.2s var(--ease-out);
  --t-base: 0.4s var(--ease-out);
  --t-slow: 0.7s var(--ease-out);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-font-smoothing: antialiased; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.65;
  overflow-x: hidden;
  background-image: radial-gradient(ellipse at 20% 0%, rgba(108, 63, 181, .04), transparent 50%),
                    radial-gradient(ellipse at 80% 100%, rgba(74, 109, 197, .04), transparent 50%);
}
::selection { background: rgba(108, 63, 181, .3); color: #fff; }
a { color: inherit; text-decoration: none; -webkit-tap-highlight-color: transparent; outline: none; }
img { max-width: 100%; height: auto; }
button { font-family: inherit; cursor: pointer; border: none; outline: none; background: none; -webkit-tap-highlight-color: transparent; }

.container, .nav-inner, .footer-inner, .hero-inner, .section-head { max-width: var(--max-width); margin: 0 auto; padding: 0 40px; }

.section { padding: 120px 0; position: relative; }
.section-alt { background: var(--c-gradient-section); }
.section-head { text-align: center; margin-bottom: 72px; padding: 0 40px; }
.section-tag {
  display: inline-block; font-size: .74rem; font-weight: 650; letter-spacing: .14em;
  text-transform: uppercase; color: var(--c-primary); background: rgba(108, 63, 181, .12);
  padding: 7px 20px; border-radius: 18px; margin-bottom: 20px; border: 1.5px solid rgba(108, 63, 181, .2);
}
.section-title { font-size: 2.5rem; font-weight: 550; letter-spacing: -.01em; color: var(--c-text); margin-bottom: 16px; line-height: 1.25; }
.section-title .highlight { background: var(--c-gradient-1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.section-desc { font-size: .98rem; color: var(--c-text-secondary); font-weight: 400; max-width: 520px; margin: 0 auto; }
.section-divider { position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 120px; height: 3px; background: var(--c-gradient-1); border-radius: 2px; opacity: .5; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; padding: 11px 24px;
  border-radius: var(--radius-md); font-size: .87rem; font-weight: 550; letter-spacing: .02em;
  transition: all var(--t-base); position: relative; overflow: hidden; white-space: nowrap;
}
.btn-sm { padding: 8px 20px; font-size: .82rem; }
.btn-lg { padding: 16px 38px; font-size: .98rem; border-radius: var(--radius-lg); font-weight: 600; }
.btn-primary { background: var(--c-gradient-1); color: #fff; box-shadow: var(--shadow-btn); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-btn-hover); }
.btn-primary:active { transform: translateY(0) scale(.97); }
.btn-no-hover:hover { transform: none; box-shadow: var(--shadow-btn); }
.btn-outline { border: 2px solid rgba(100, 70, 170, .28); color: var(--c-primary); background: transparent; font-weight: 550; }
.btn-outline:hover { border-color: var(--c-primary); background: rgba(108, 63, 181, .08); color: var(--c-primary-dark); }
.full-width { width: 100%; }

.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; height: var(--nav-h); border-bottom: 1px solid transparent; }
.nav.scrolled { background: rgba(236, 229, 245, .85); backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px); border-bottom-color: var(--c-border); box-shadow: 0 2px 28px rgba(50, 20, 100, .08); }
.nav-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.nav-logo { display: flex; align-items: center; gap: 9px; font-size: 1.18rem; font-weight: 700; color: var(--c-primary); letter-spacing: -.01em; }
.nav-logo img, .nav-logo .icon { display: block; flex-shrink: 0; }
.nav-menu { display: flex; gap: 34px; list-style: none; margin: 0; padding: 0; }
.nav-menu a { font-size: .85rem; color: var(--c-text-secondary); position: relative; padding: 6px 0; transition: var(--t-fast); letter-spacing: .02em; font-weight: 550; }
.nav-menu a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2.5px; background: var(--c-gradient-1); border-radius: 2px; transition: width var(--t-base); }
.nav-menu a:hover { color: var(--c-primary); }
.nav-menu a:hover::after { width: 100%; }
.nav-cta { margin-left: 8px; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; z-index: 1001; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--c-text); border-radius: 1px; transition: var(--t-base); }
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.mobile-nav { position: fixed; inset: 0; z-index: 999; visibility: hidden; pointer-events: none; transition: visibility 0s .35s; }
.mobile-nav.active { visibility: visible; pointer-events: auto; transition: visibility 0s 0s; }
.mobile-nav-bg { position: absolute; inset: 0; background: rgba(10, 5, 30, .5); opacity: 0; transition: opacity .3s ease; }
.mobile-nav.active .mobile-nav-bg { opacity: 1; }
.mobile-nav-panel {
  position: absolute; right: 0; top: 0; bottom: 0; width: 280px;
  background: rgba(236, 229, 245, .98); backdrop-filter: blur(24px);
  padding: 96px 30px 30px; display: flex; flex-direction: column; gap: 4px;
  transform: translateX(100%); transition: transform .35s cubic-bezier(.22, .61, .36, 1);
  border-left: 1px solid var(--c-border-strong);
}
.mobile-nav.active .mobile-nav-panel { transform: translateX(0); }
.mobile-nav-menu { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.mobile-nav-menu a { padding: 16px 0; font-size: .98rem; color: var(--c-text-secondary); border-bottom: 1px solid var(--c-border); transition: var(--t-fast); font-weight: 500; display: block; }
.mobile-nav-menu a:hover { color: var(--c-primary); }
.mobile-nav-menu a.no-hover:hover { color: var(--c-text-secondary); }
.mobile-nav-panel .btn { margin-top: 24px; }

.hero {
  min-height: 100vh; display: flex; align-items: center; position: relative; overflow: hidden;
  padding: 110px 0 90px; background: var(--c-gradient-hero);
}
.hero::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse at 65% 25%, rgba(108, 63, 181, .15), transparent 55%),
              radial-gradient(ellipse at 35% 75%, rgba(74, 109, 197, .13), transparent 55%),
              radial-gradient(ellipse at 50% 50%, rgba(160, 130, 220, .08), transparent 65%);
}
.hero::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image: url("data:image/svg+xml;base64,PHN2ZyB3aWR0aD0nNjAnIGhlaWdodD0nNjAnIHhtbG5zPSdodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2Zyc+PGNpcmNsZSBjeD0nMzAnIGN5PSczMCcgcj0nMC42JyBmaWxsPSdyZ2JhKDEwMCw3MCwxNzAsMC4wOCknLz48L3N2Zz4=");
  background-size: 60px 60px; mask-image: radial-gradient(ellipse at center, black 35%, transparent 70%);
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(110px); }
.hero-glow-1 { width: 600px; height: 600px; background: radial-gradient(circle, rgba(124, 58, 237, .55), transparent); top: -200px; right: -140px; animation: glowDrift1 20s ease-in-out infinite; }
.hero-glow-2 { width: 450px; height: 450px; background: radial-gradient(circle, rgba(74, 109, 197, .5), transparent); bottom: -100px; left: -120px; animation: glowDrift2 22s ease-in-out infinite; }
.hero-glow-3 { width: 350px; height: 350px; background: radial-gradient(circle, rgba(160, 120, 220, .45), transparent); top: 45%; left: 40%; animation: glowDrift3 18s ease-in-out infinite; }
@keyframes glowDrift1 { 0%, 100% { transform: translate(0, 0) scale(1); } 33% { transform: translate(60px, -50px) scale(1.12); } 66% { transform: translate(-40px, 40px) scale(.9); } }
@keyframes glowDrift2 { 0%, 100% { transform: translate(0, 0) scale(1); } 50% { transform: translate(-50px, -40px) scale(1.1); } }
@keyframes glowDrift3 { 0%, 100% { transform: translate(0, 0) scale(1); } 50% { transform: translate(40px, 30px) scale(1.14); } }
.hero-grid-bg {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(100, 70, 170, .08) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(100, 70, 170, .08) 1px, transparent 1px);
  background-size: 72px 72px; mask-image: radial-gradient(ellipse at center, black 28%, transparent 62%);
}
.hero-decor { position: absolute; bottom: 0; left: 0; right: 0; pointer-events: none; z-index: 0; }
.hero-decor-svg { width: 100%; height: 200px; display: block; }
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; max-width: var(--max-width); margin: 0 auto; padding: 0 40px; width: 100%; }
.hero-text { max-width: 560px; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 7px; font-size: .76rem; font-weight: 650;
  color: var(--c-primary); padding: 7px 18px; border-radius: 18px; background: rgba(108, 63, 181, .12);
  border: 1.5px solid rgba(108, 63, 181, .2); margin-bottom: 28px; letter-spacing: .05em;
  opacity: 0; animation: fadeInScale .7s var(--ease-out) .1s forwards;
}
.hero-tag::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--c-primary); animation: tagPulse 2s ease-in-out infinite; box-shadow: 0 0 8px rgba(108, 63, 181, .5); }
@keyframes tagPulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(108, 63, 181, .5); } 50% { box-shadow: 0 0 0 8px rgba(108, 63, 181, 0); } }
.hero-title { font-size: 3.4rem; font-weight: 520; line-height: 1.2; letter-spacing: -.02em; margin-bottom: 10px; color: var(--c-text); }
.hero-subtitle { font-size: 1.5rem; font-weight: 400; line-height: 1.4; letter-spacing: -.01em; margin-bottom: 22px; color: var(--c-text); }
.title-segment { display: block; opacity: 0; animation: fadeInUp .7s var(--ease-out) forwards; }
.title-segment:first-child { animation-delay: .3s; }
.title-segment:last-child { animation-delay: .5s; background: var(--c-gradient-4); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-desc { font-size: 1rem; color: var(--c-text-secondary); line-height: 1.75; font-weight: 400; margin-bottom: 36px; opacity: 0; animation: fadeInUp .7s var(--ease-out) .7s forwards; }
.hero-actions { display: flex; gap: 16px; margin-bottom: 52px; opacity: 0; animation: fadeInUp .7s var(--ease-out) .9s forwards; }
.hero-stats { display: flex; gap: 48px; opacity: 0; animation: fadeInUp .7s var(--ease-out) 1.1s forwards; }
.stat { display: flex; align-items: baseline; gap: 2px; flex-wrap: wrap; justify-content: center; }
.stat-num { font-size: 2.2rem; font-weight: 550; color: var(--c-text); letter-spacing: -.02em; display: inline-block; min-width: 2.2ch; text-align: right; }
.stat-suffix { font-size: .85rem; color: var(--c-primary); font-weight: 650; }
.stat-label { display: block; width: 100%; font-size: .72rem; color: var(--c-text-tertiary); letter-spacing: .05em; margin-top: 3px; font-weight: 500; text-align: center; }

.hero-visual { display: flex; justify-content: center; position: relative; }
.phone-mockup { position: relative; }
.phone-frame {
  width: 280px; height: 560px; background: linear-gradient(150deg, #fff, #f5f0fd);
  border-radius: 38px; border: 2.5px solid rgba(100, 70, 170, .22); padding: 14px;
  box-shadow: var(--shadow-phone); position: relative; animation: phoneFloat 6s ease-in-out infinite;
}
@keyframes phoneFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
.phone-notch { width: 90px; height: 26px; background: rgba(100, 70, 170, .14); border-radius: 0 0 18px 18px; margin: 0 auto 12px; }
.phone-screen { background: linear-gradient(180deg, #f7f2fd, #fff); border-radius: 26px; height: calc(100% - 38px); overflow: hidden; }
.phone-shadow { position: absolute; bottom: -28px; left: 8%; width: 84%; height: 34px; background: radial-gradient(ellipse, rgba(50, 20, 100, .15), transparent); border-radius: 50%; filter: blur(12px); }

.chat-preview { padding: 16px; height: 100%; display: flex; flex-direction: column; }
.chat-header-preview { display: flex; align-items: center; gap: 12px; padding-bottom: 14px; border-bottom: 1.5px solid rgba(100, 70, 170, .12); margin-bottom: 14px; }
.chat-avatar-preview { width: 38px; height: 38px; border-radius: 50%; background: var(--c-gradient-4); opacity: .9; box-shadow: 0 3px 12px rgba(108, 63, 181, .25); }
.chat-name-preview { font-size: .8rem; font-weight: 650; color: var(--c-text); }
.chat-status-preview { font-size: .68rem; color: var(--c-primary); font-weight: 550; }
.chat-bubbles { flex: 1; display: flex; flex-direction: column; gap: 10px; overflow: hidden; }
.msg { font-size: .7rem; padding: 9px 14px; border-radius: 16px; max-width: 86%; line-height: 1.55; opacity: 0; animation: msgIn .5s var(--ease-out) forwards; }
.msg.received { background: rgba(108, 63, 181, .12); color: var(--c-text); align-self: flex-start; border-bottom-left-radius: 4px; border: 1px solid rgba(100, 70, 170, .08); }
.msg.sent { background: var(--c-gradient-4); color: #fff; align-self: flex-end; border-bottom-right-radius: 4px; box-shadow: 0 3px 10px rgba(108, 63, 181, .25); }
.msg-1 { animation-delay: 1.5s; } .msg-2 { animation-delay: 1.8s; } .msg-3 { animation-delay: 2.1s; } .msg-4 { animation-delay: 2.4s; } .msg-5 { animation-delay: 2.7s; } .msg-6 { animation-delay: 3s; }
@keyframes msgIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.chat-input-preview { display: flex; align-items: center; justify-content: space-between; margin-top: 12px; padding: 10px 14px; background: var(--c-surface); border-radius: 18px; border: 1.5px solid rgba(100, 70, 170, .14); }
.chat-input-preview span { font-size: .68rem; color: var(--c-text-tertiary); }
.send-btn-preview { width: 28px; height: 28px; border-radius: 50%; background: var(--c-gradient-4); opacity: .75; box-shadow: 0 2px 8px rgba(108, 63, 181, .2); }

.floating-msg { position: absolute; background: var(--c-surface); border-radius: var(--radius-md); padding: 12px 18px; font-size: .74rem; color: var(--c-text-secondary); box-shadow: var(--shadow-card); border: 1.5px solid var(--c-border); animation: floatMsg 5s ease-in-out infinite; white-space: nowrap; font-weight: 450; }
.floating-1 { top: 6%; left: -80px; animation-delay: 0s; }
.floating-2 { bottom: 20%; right: -70px; animation-delay: 1.5s; }
.floating-3 { top: 52%; left: -100px; animation-delay: 3s; }
@keyframes floatMsg { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

@keyframes fadeInUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInScale { from { opacity: 0; transform: scale(.94); } to { opacity: 1; transform: scale(1); } }

[data-reveal] { opacity: 0; transform: scale(.93); transition: opacity .7s var(--ease-out), transform .7s var(--ease-out); }
[data-reveal].revealed { opacity: 1; transform: scale(1); }

.feature-row { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; max-width: var(--max-width); margin: 0 auto; padding: 0 40px; position: relative; }
.feature-row + .feature-row { margin-top: 90px; padding-top: 90px; }
.feature-row + .feature-row::before { content: ''; position: absolute; top: 0; left: 40px; right: 40px; height: 1px; background: linear-gradient(90deg, transparent, rgba(100, 70, 170, .2), transparent); }
.feature-text { max-width: 480px; }
.feature-right .feature-text { order: 2; }
.feature-right .feature-visual { order: 1; }
.feature-num { font-size: 4.5rem; font-weight: 100; background: var(--c-gradient-4); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; line-height: 1; display: block; margin-bottom: 6px; letter-spacing: -.04em; opacity: .4; }
.feature-text h3 { font-size: 1.65rem; font-weight: 600; margin-bottom: 16px; color: var(--c-text); letter-spacing: -.01em; }
.feature-text > p { font-size: .93rem; color: var(--c-text-secondary); line-height: 1.75; font-weight: 400; margin-bottom: 22px; }
.feature-points { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.feature-points li { font-size: .85rem; color: var(--c-text-secondary); padding-left: 22px; position: relative; font-weight: 400; line-height: 1.5; }
.feature-points li::before { content: ''; position: absolute; left: 0; top: 9px; width: 7px; height: 7px; border-radius: 50%; background: var(--c-primary); opacity: .6; box-shadow: 0 0 6px rgba(108, 63, 181, .3); }

.feature-visual { display: flex; justify-content: center; }
.feature-card-visual {
  width: 100%; max-width: 450px; background: linear-gradient(150deg, var(--c-surface), var(--c-surface-hover));
  border-radius: var(--radius-xl); padding: 48px 40px; border: 1.5px solid var(--c-border);
  box-shadow: var(--shadow-card); transition: all var(--t-base); position: relative; overflow: hidden;
}
.feature-card-visual::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--c-gradient-4); opacity: 0; transition: opacity var(--t-base); }
.feature-card-visual::after { content: ''; position: absolute; top: -80px; right: -80px; width: 200px; height: 200px; background: radial-gradient(circle, rgba(108, 63, 181, .06), transparent); border-radius: 50%; pointer-events: none; }
.feature-card-visual:hover { border-color: var(--c-border-hover); box-shadow: var(--shadow-card-hover); transform: translateY(-5px); }
.feature-card-visual:hover::before { opacity: 1; }
.fcv-inner { display: flex; flex-direction: column; align-items: center; gap: 28px; position: relative; }
.fcv-icon { padding: 14px; border-radius: 18px; border: 1px solid rgba(108, 63, 181, .12); background: rgba(108, 63, 181, .1); display: flex; align-items: center; justify-content: center; transition: all var(--t-base); }
.fcv-icon .icon { display: block; }

.fcv-demo-chat { display: flex; flex-direction: column; gap: 12px; width: 100%; }
.demo-msg { padding: 12px 18px; border-radius: 16px; font-size: .83rem; max-width: 84%; line-height: 1.55; }
.demo-msg-user { background: var(--c-gradient-4); color: #fff; align-self: flex-end; border-bottom-right-radius: 4px; box-shadow: 0 3px 12px rgba(108, 63, 181, .2); }
.demo-msg-ai { background: rgba(108, 63, 181, .1); color: var(--c-text); align-self: flex-start; border-bottom-left-radius: 4px; border: 1px solid rgba(100, 70, 170, .1); }

.emotion-bars { display: flex; flex-direction: column; gap: 16px; width: 100%; }
.emotion-bar { display: flex; align-items: center; gap: 14px; }
.emotion-bar span { font-size: .75rem; color: var(--c-text-secondary); width: 40px; text-align: right; font-weight: 550; }
.bar-track { flex: 1; height: 6px; background: rgba(100, 70, 170, .12); border-radius: 4px; overflow: hidden; }
.bar-fill { height: 100%; width: 0; background: var(--c-gradient-4); border-radius: 4px; transition: width 1.2s var(--ease-out); box-shadow: 0 0 10px rgba(108, 63, 181, .25); }
.feature-card-visual:hover .bar-fill { width: var(--w); }

.memory-timeline { display: flex; flex-direction: column; gap: 16px; width: 100%; }
.timeline-item { display: flex; align-items: center; gap: 14px; padding: 14px 18px; background: rgba(108, 63, 181, .06); border-radius: var(--radius-sm); border: 1px solid rgba(100, 70, 170, .1); transition: all var(--t-base); }
.timeline-item:hover { background: rgba(108, 63, 181, .12); border-color: rgba(100, 70, 170, .2); transform: translateX(5px); }
.timeline-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--c-primary); flex-shrink: 0; box-shadow: 0 0 8px rgba(108, 63, 181, .4); }
.timeline-item span { font-size: .83rem; color: var(--c-text-secondary); font-weight: 400; }

.persona-tags { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.persona-tag { font-size: .78rem; padding: 8px 18px; border-radius: 16px; background: rgba(108, 63, 181, .08); border: 1.5px solid rgba(100, 70, 170, .15); color: var(--c-text-secondary); transition: all var(--t-base); font-weight: 550; cursor: pointer; }
.persona-tag:hover, .persona-tag.active { background: var(--c-gradient-4); color: #fff; border-color: transparent; box-shadow: 0 4px 16px rgba(108, 63, 181, .3); transform: translateY(-2px); }

.daily-chat-preview { display: flex; flex-direction: column; gap: 12px; width: 100%; }
.daily-msg { padding: 12px 18px; border-radius: 16px; font-size: .83rem; color: var(--c-text-secondary); background: rgba(108, 63, 181, .06); border: 1px solid rgba(100, 70, 170, .1); transition: all var(--t-base); font-weight: 400; }
.daily-msg:nth-child(odd) { align-self: flex-start; border-bottom-left-radius: 4px; }
.daily-msg:nth-child(even) { align-self: flex-end; background: var(--c-gradient-4); color: #fff; border-bottom-right-radius: 4px; border-color: transparent; box-shadow: 0 3px 12px rgba(108, 63, 181, .2); }
.daily-msg:hover { transform: translateX(5px); }

.screens-showcase { max-width: var(--max-width); margin: 0 auto; padding: 0 40px; overflow: hidden; }
.screens-track { display: flex; gap: 28px; overflow-x: auto; overflow-y: hidden; padding-bottom: 20px; scroll-behavior: smooth; -webkit-overflow-scrolling: touch; scrollbar-width: thin; scrollbar-color: rgba(108, 63, 181, .25) transparent; }
.screens-track::-webkit-scrollbar { height: 6px; }
.screens-track::-webkit-scrollbar-track { background: rgba(100, 70, 170, .06); border-radius: 3px; margin: 0 40px; }
.screens-track::-webkit-scrollbar-thumb { background: rgba(108, 63, 181, .25); border-radius: 3px; }
.screens-track::-webkit-scrollbar-thumb:hover { background: rgba(108, 63, 181, .4); }
.screen-card { flex-shrink: 0; width: 260px; border-radius: var(--radius-lg); overflow: hidden; border: 1.5px solid var(--c-border); box-shadow: var(--shadow-card); transition: all var(--t-base); background: var(--c-surface); }
.screen-card:hover { box-shadow: var(--shadow-card-hover); border-color: var(--c-border-hover); transform: translateY(-4px); }
.screen-img { display: block; width: 100%; height: auto; object-fit: cover; aspect-ratio: 9 / 16; }

.scenario-list { max-width: 1000px; margin: 0 auto; padding: 0 40px; display: flex; flex-direction: column; gap: 40px; position: relative; }
.scenario-list::before { content: ''; position: absolute; left: 50%; top: 0; bottom: 0; width: 1px; background: linear-gradient(180deg, transparent, rgba(100, 70, 170, .2), rgba(100, 70, 170, .2), transparent); transform: translateX(-50%); }
.scenario-row { display: flex; align-items: center; gap: 60px; position: relative; }
.scenario-row.reverse { flex-direction: row-reverse; }
.scenario-visual { flex-shrink: 0; width: 200px; display: flex; flex-direction: column; align-items: center; gap: 8px; position: relative; }
.scenario-num { font-size: 5rem; font-weight: 100; color: var(--c-primary); opacity: .12; line-height: 1; letter-spacing: -.03em; }
.scenario-icon-lg { background: rgba(108, 63, 181, .08); padding: 18px; border-radius: 22px; border: 1px solid rgba(100, 70, 170, .15); transition: all var(--t-base); display: flex; align-items: center; justify-content: center; }
.scenario-icon-lg .icon { display: block; }
.scenario-row:hover .scenario-icon-lg { background: rgba(108, 63, 181, .14); box-shadow: 0 0 28px rgba(108, 63, 181, .15); transform: scale(1.05); }
.scenario-text { flex: 1; max-width: 480px; }
.scenario-text h3 { font-size: 1.3rem; font-weight: 600; margin-bottom: 12px; color: var(--c-text); letter-spacing: -.01em; }
.scenario-text p { font-size: .9rem; color: var(--c-text-secondary); line-height: 1.7; font-weight: 400; }
.scenario-row.reverse .scenario-text { text-align: right; }

.download-options { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; max-width: 760px; margin: 0 auto; padding: 0 40px; }
.download-card { padding: 48px 32px; background: linear-gradient(150deg, var(--c-surface), var(--c-surface-hover)); border-radius: var(--radius-xl); border: 1.5px solid var(--c-border); text-align: center; position: relative; overflow: hidden; }
.download-card.featured { border: 2.5px solid var(--c-primary-soft); background: linear-gradient(180deg, var(--c-surface), rgba(108, 63, 181, .06)); box-shadow: 0 0 40px rgba(108, 63, 181, .12); }
.download-card.featured::after { content: '推荐'; position: absolute; top: 16px; right: 16px; font-size: .7rem; font-weight: 650; color: #fff; background: var(--c-gradient-4); padding: 4px 12px; border-radius: 12px; letter-spacing: .04em; }
.download-card-icon { margin-bottom: 20px; display: flex; justify-content: center; background: rgba(108, 63, 181, .08); width: 68px; height: 68px; border-radius: 20px; align-items: center; margin-left: auto; margin-right: auto; border: 1px solid rgba(108, 63, 181, .1); }
.download-card h3 { font-size: 1.2rem; font-weight: 600; margin-bottom: 10px; color: var(--c-text); }
.download-card p { font-size: .87rem; color: var(--c-text-secondary); margin-bottom: 28px; font-weight: 400; }
.download-card .btn { width: 100%; }

.footer { background: linear-gradient(180deg, #e0d6f0, #d5c8ed); border-top: 1.5px solid var(--c-border-strong); padding: 64px 0 34px; position: relative; }
.footer::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--c-gradient-4); opacity: .4; }
.footer-inner { max-width: var(--max-width); margin: 0 auto; padding: 0 40px; }
.footer-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 40px; margin-bottom: 36px; }
.footer-brand p { font-size: .83rem; color: var(--c-text-tertiary); margin-top: 12px; line-height: 1.5; font-weight: 400; }
.footer-logo { display: flex; align-items: center; gap: 9px; color: var(--c-primary); font-size: .98rem; font-weight: 650; }
.footer-logo img, .footer-logo .icon { display: block; flex-shrink: 0; }
.footer-links { display: flex; gap: 28px; flex-wrap: wrap; align-items: center; }
.footer-links a { font-size: .83rem; color: var(--c-text-tertiary); transition: var(--t-fast); font-weight: 400; }
.footer-links a:hover { color: var(--c-primary); }
.footer-bottom { display: flex; justify-content: center; align-items: center; padding-top: 20px; border-top: 1.5px solid var(--c-border); font-size: .75rem; color: var(--c-text-tertiary); font-weight: 400; }

.back-top { position: fixed; right: 30px; bottom: 30px; width: 46px; height: 46px; border-radius: 50%; background: rgba(255, 255, 255, .92); border: 1.5px solid var(--c-border); box-shadow: var(--shadow-card); display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transform: translateY(18px); transition: all var(--t-base); z-index: 100; backdrop-filter: blur(10px); }
.back-top:hover { border-color: var(--c-primary); box-shadow: 0 4px 24px rgba(108, 63, 181, .25); transform: translateY(-3px); }
.back-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }

.icon { display: inline-block; vertical-align: middle; flex-shrink: 0; }
.icon::before { content: ''; display: block; width: 100%; height: 100%; background: no-repeat center / contain; }

.icon-logo { width: 36px; height: 36px; }
.icon-logoFooter { width: 32px; height: 32px; }
.icon-feature1, .icon-feature2, .icon-feature3, .icon-feature4, .icon-feature5 { width: 48px; height: 48px; }
.icon-scenario1, .icon-scenario2, .icon-scenario3, .icon-scenario4, .icon-scenario5, .icon-scenario6 { width: 48px; height: 48px; }
.icon-downloadAndroid, .icon-downloadIos { width: 48px; height: 48px; }
.icon-backtop { width: 20px; height: 20px; }

.icon-logo::before { background-image: url("data:image/svg+xml;base64,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"); }
.icon-logoFooter::before { background-image: url("data:image/svg+xml;base64,PHN2ZyB2aWV3Qm94PSIwIDAgMzIgMzIiIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj4KICA8cmVjdCB4PSIzIiB5PSIzIiB3aWR0aD0iMjYiIGhlaWdodD0iMjYiIHJ4PSI3IiBmaWxsPSJub25lIiBzdHJva2U9IiM2YzNmYjUiIHN0cm9rZS13aWR0aD0iMS4yIiBvcGFjaXR5PSIwLjUiLz4KICA8dGV4dCB4PSIxNiIgeT0iMjIiIHRleHQtYW5jaG9yPSJtaWRkbGUiIGZpbGw9IiM2YzNmYjUiIGZvbnQtc2l6ZT0iMTQiIGZvbnQtd2VpZ2h0PSI2MDAiIGZvbnQtZmFtaWx5PSJzYW5zLXNlcmlmIiBvcGFjaXR5PSIwLjciPkM8L3RleHQ+Cjwvc3ZnPgo="); }
.icon-feature1::before { background-image: url("data:image/svg+xml;base64,PHN2ZyB2aWV3Qm94PSIwIDAgNDggNDgiIHdpZHRoPSI0OCIgaGVpZ2h0PSI0OCIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj4KICA8Y2lyY2xlIGN4PSIyNCIgY3k9IjI0IiByPSIxOCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSIjNmMzZmI1IiBzdHJva2Utd2lkdGg9IjEiIG9wYWNpdHk9IjAuMjUiLz4KICA8cGF0aCBkPSJNMTYgMjJjMC00LjQgMy42LTggOC04czggMy42IDggOGMwIDUtOCAxMy04IDEzcy04LTgtOC0xM3oiIGZpbGw9Im5vbmUiIHN0cm9rZT0iIzZjM2ZiNSIgc3Ryb2tlLXdpZHRoPSIxLjUiLz4KICA8Y2lyY2xlIGN4PSIyNCIgY3k9IjIyIiByPSI0IiBmaWxsPSIjNmMzZmI1IiBvcGFjaXR5PSIwLjYiLz4KPC9zdmc+Cg=="); }
.icon-feature2::before { background-image: url("data:image/svg+xml;base64,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"); }
.icon-feature3::before { background-image: url("data:image/svg+xml;base64,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"); }
.icon-feature4::before { background-image: url("data:image/svg+xml;base64,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"); }
.icon-feature5::before { background-image: url("data:image/svg+xml;base64,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"); }
.icon-scenario1::before { background-image: url("data:image/svg+xml;base64,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"); }
.icon-scenario2::before { background-image: url("data:image/svg+xml;base64,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"); }
.icon-scenario3::before { background-image: url("data:image/svg+xml;base64,PHN2ZyB2aWV3Qm94PSIwIDAgNDggNDgiIHdpZHRoPSI0OCIgaGVpZ2h0PSI0OCIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj4KICA8Y2lyY2xlIGN4PSIyNCIgY3k9IjI0IiByPSIxOCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSIjNmMzZmI1IiBzdHJva2Utd2lkdGg9IjEuMiIvPgogIDxwYXRoIGQ9Ik0xNiAyNGw1IDUgMTEtMTEiIGZpbGw9Im5vbmUiIHN0cm9rZT0iIzZjM2ZiNSIgc3Ryb2tlLXdpZHRoPSIxLjgiIHN0cm9rZS1saW5lY2FwPSJyb3VuZCIgc3Ryb2tlLWxpbmVqb2luPSJyb3VuZCIvPgogIDxjaXJjbGUgY3g9IjI0IiBjeT0iMjQiIHI9IjIuNSIgZmlsbD0iIzZjM2ZiNSIgb3BhY2l0eT0iMC4zNSIvPgo8L3N2Zz4K"); }
.icon-scenario4::before { background-image: url("data:image/svg+xml;base64,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"); }
.icon-scenario5::before { background-image: url("data:image/svg+xml;base64,PHN2ZyB2aWV3Qm94PSIwIDAgNDggNDgiIHdpZHRoPSI0OCIgaGVpZ2h0PSI0OCIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj4KICA8Y2lyY2xlIGN4PSIyNCIgY3k9IjI0IiByPSIxOCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSIjNmMzZmI1IiBzdHJva2Utd2lkdGg9IjEuMiIvPgogIDxwYXRoIGQ9Ik0xNCAyNGg4bTQgMGg4TTI0IDE0djhtMCA0djgiIHN0cm9rZT0iIzZjM2ZiNSIgc3Ryb2tlLXdpZHRoPSIxLjIiIHN0cm9rZS1saW5lY2FwPSJyb3VuZCIvPgogIDxjaXJjbGUgY3g9IjI0IiBjeT0iMjQiIHI9IjQiIGZpbGw9IiM2YzNmYjUiIG9wYWNpdHk9IjAuMjUiLz4KPC9zdmc+Cg=="); }
.icon-scenario6::before { background-image: url("data:image/svg+xml;base64,PHN2ZyB2aWV3Qm94PSIwIDAgNDggNDgiIHdpZHRoPSI0OCIgaGVpZ2h0PSI0OCIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj4KICA8Y2lyY2xlIGN4PSIyNCIgY3k9IjI0IiByPSIxOCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSIjNmMzZmI1IiBzdHJva2Utd2lkdGg9IjEuMiIvPgogIDxwYXRoIGQ9Ik0xOCAxOGMzLTMgOS0zIDEyIDBNMTggMzBjMyAzIDkgMyAxMiAwIiBmaWxsPSJub25lIiBzdHJva2U9IiM2YzNmYjUiIHN0cm9rZS13aWR0aD0iMS41IiBzdHJva2UtbGluZWNhcD0icm91bmQiLz4KICA8Y2lyY2xlIGN4PSIyNCIgY3k9IjI0IiByPSIyLjUiIGZpbGw9IiM2YzNmYjUiIG9wYWNpdHk9IjAuMzUiLz4KPC9zdmc+Cg=="); }
.icon-downloadAndroid::before { background-image: url("data:image/svg+xml;base64,PHN2ZyB2aWV3Qm94PSIwIDAgNDggNDgiIHdpZHRoPSI0OCIgaGVpZ2h0PSI0OCIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj4KICA8cmVjdCB4PSI4IiB5PSI0IiB3aWR0aD0iMzIiIGhlaWdodD0iNDAiIHJ4PSI1IiBmaWxsPSJub25lIiBzdHJva2U9IiM2YzNmYjUiIHN0cm9rZS13aWR0aD0iMS41Ii8+CiAgPGxpbmUgeDE9IjgiIHkxPSIxMiIgeDI9IjQwIiB5Mj0iMTIiIHN0cm9rZT0iIzZjM2ZiNSIgc3Ryb2tlLXdpZHRoPSIwLjgiIG9wYWNpdHk9IjAuNCIvPgogIDxwYXRoIGQ9Ik0yNCAyMGwtNiA4aDR2OGg0di04aDRsLTYtOHoiIGZpbGw9Im5vbmUiIHN0cm9rZT0iIzZjM2ZiNSIgc3Ryb2tlLXdpZHRoPSIxLjUiIHN0cm9rZS1saW5lam9pbj0icm91bmQiLz4KPC9zdmc+Cg=="); }
.icon-downloadIos::before { background-image: url("data:image/svg+xml;base64,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"); }
.icon-backtop::before { background-image: url("data:image/svg+xml;base64,PHN2ZyB2aWV3Qm94PSIwIDAgMjQgMjQiIHdpZHRoPSIyMCIgaGVpZ2h0PSIyMCIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj4KICA8cGF0aCBkPSJNMTIgMTlWNU01IDEybDctNyA3IDciIGZpbGw9Im5vbmUiIHN0cm9rZT0iIzZjM2ZiNSIgc3Ryb2tlLXdpZHRoPSIxLjUiIHN0cm9rZS1saW5lY2FwPSJyb3VuZCIgc3Ryb2tlLWxpbmVqb2luPSJyb3VuZCIvPgo8L3N2Zz4K"); }

@media (max-width: 1199px) {
  .hero-inner { grid-template-columns: 1fr; gap: 52px; text-align: center; }
  .hero-text { max-width: 100%; }
  .hero-actions, .hero-stats { justify-content: center; }
  .hero-visual { order: -1; }
  .phone-frame { width: 240px; height: 480px; }
  .floating-msg { display: none; }
  .feature-row { grid-template-columns: 1fr; gap: 44px; }
  .feature-right .feature-text, .feature-right .feature-visual { order: unset; }
  .feature-text { max-width: 100%; text-align: center; }
  .feature-points { display: none; }
  .feature-visual { order: -1; }
  .feature-row + .feature-row::before { left: 20px; right: 20px; }
  .screen-card { width: 240px; }
  .scenario-list::before { display: none; }
  .scenario-row { gap: 32px; }
  .scenario-visual { width: 140px; }
  .scenario-num { font-size: 3.5rem; }
  .footer-top { flex-direction: column; gap: 28px; }
}

@media (max-width: 767px) {
  .container, .nav-inner, .footer-inner, .hero-inner, .section-head, .feature-row, .screens-showcase, .scenario-list, .download-options, .footer-top, .footer-links { padding-left: 20px; padding-right: 20px; }
  .nav-menu { display: none; }
  .nav-cta { display: inline-flex; margin-left: auto; margin-right: 10px; font-size: .76rem; padding: 7px 14px; letter-spacing: 0; }
  .nav-toggle { display: flex; }
  .section { padding: 80px 0; }
  .section-head { margin-bottom: 48px; }
  .section-title { font-size: 1.65rem; }
  .section-desc { font-size: .88rem; }
  .hero { padding: 90px 0 56px; min-height: auto; }
  .hero-title { font-size: 2.2rem; }
  .hero-subtitle { font-size: 1.1rem; }
  .hero-desc { font-size: .88rem; }
  .hero-actions { flex-direction: column; gap: 12px; }
  .hero-actions .btn { width: 100%; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .phone-frame { width: 210px; height: 420px; }
  .feature-row { gap: 36px; margin-top: 0; }
  .feature-row + .feature-row { margin-top: 56px; padding-top: 56px; }
  .feature-row + .feature-row::before { left: 20px; right: 20px; }
  .feature-text h3 { font-size: 1.3rem; }
  .feature-num { font-size: 2.8rem; }
  .feature-card-visual { padding: 30px 22px; }
  .screen-card { width: 220px; }
  .scenario-list { gap: 16px; padding-left: 20px; padding-right: 20px; }
  .scenario-list::before { display: none; }
  .scenario-row, .scenario-row.reverse { flex-direction: row; gap: 18px; align-items: center; text-align: left; background: linear-gradient(150deg, var(--c-surface), var(--c-surface-hover)); border-radius: var(--radius-md); border: 1.5px solid var(--c-border); padding: 22px 20px; }
  .scenario-row.reverse .scenario-text { text-align: left; }
  .scenario-visual { width: auto; flex-shrink: 0; flex-direction: row; gap: 12px; }
  .scenario-num { font-size: 2rem; opacity: .25; order: 1; }
  .scenario-icon-lg { padding: 12px; border-radius: 16px; order: 2; }
  .scenario-icon-lg .icon { width: 32px; height: 32px; }
  .scenario-text { max-width: 100%; flex: 1; }
  .scenario-text h3 { font-size: 1rem; margin-bottom: 6px; }
  .scenario-text p { font-size: .8rem; line-height: 1.55; }
  .download-options { grid-template-columns: 1fr; gap: 18px; }
  .footer-top { flex-direction: column; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
  .back-top { right: 16px; bottom: 16px; width: 42px; height: 42px; }
}

@media (max-width: 479px) {
  .hero-title { font-size: 1.8rem; }
  .hero-subtitle { font-size: .98rem; }
  .section-title { font-size: 1.4rem; }
  .phone-frame { width: 180px; height: 360px; }
  .feature-card-visual { padding: 22px 18px; }
  .screen-card { width: 200px; }
  .scenario-list { gap: 12px; }
  .scenario-row, .scenario-row.reverse { padding: 18px 16px; gap: 14px; }
  .scenario-num { font-size: 1.6rem; }
  .scenario-icon-lg { padding: 10px; }
  .scenario-icon-lg .icon { width: 28px; height: 28px; }
  .scenario-text h3 { font-size: .94rem; }
  .scenario-text p { font-size: .76rem; }
  .nav-cta { font-size: .7rem; padding: 5px 10px; margin-right: 10%; }
}