:root{
  --bg:#f7faff;
  --bg-2:#eef5ff;
  --text:#0a1530;
  --muted:#5f6f8d;
  --line:rgba(34,70,140,.14);
  --blue:#1669ff;
  --blue-2:#5595ff;
  --blue-dark:#0b48d8;
  --glass:rgba(255,255,255,.56);
  --glass-strong:rgba(255,255,255,.76);
  --glass-border:rgba(255,255,255,.78);
  --shadow:0 24px 70px rgba(34,74,145,.15);
  --shadow-soft:0 16px 44px rgba(34,74,145,.10);
  --radius-xl:38px;
  --radius-lg:28px;
  --radius-md:20px;
  --container:1240px;
  --header-h:78px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--text);background:
  radial-gradient(circle at 12% 12%,rgba(98,164,255,.16),transparent 28%),
  radial-gradient(circle at 88% 10%,rgba(132,112,255,.13),transparent 24%),
  linear-gradient(180deg,#fbfdff 0%,#f4f8ff 44%,#fff 100%);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
  line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body.modal-open{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
img,svg{display:block;max-width:100%}
.container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
.section{padding:118px 0;position:relative}
.section-tight{padding:74px 0}
.page-noise{position:fixed;inset:0;pointer-events:none;z-index:-1;opacity:.22;background-image:radial-gradient(rgba(30,75,150,.14) .7px,transparent .7px);background-size:8px 8px;mask-image:linear-gradient(to bottom,black,transparent 85%)}

.glass-nav,.glass-panel,.glass-card,.glass-subpanel{
  border:1px solid var(--glass-border);
  background:linear-gradient(135deg,rgba(255,255,255,.72),rgba(255,255,255,.38));
  box-shadow:var(--shadow-soft),inset 0 1px 0 rgba(255,255,255,.95),inset 0 -1px 0 rgba(96,140,220,.08);
  backdrop-filter:blur(28px) saturate(165%);
  -webkit-backdrop-filter:blur(28px) saturate(165%);
}
.glass-subpanel{background:linear-gradient(135deg,rgba(255,255,255,.62),rgba(235,244,255,.38));border-color:rgba(255,255,255,.78)}
.glass-card{background:linear-gradient(140deg,rgba(255,255,255,.72),rgba(241,247,255,.42));border-color:rgba(255,255,255,.84);box-shadow:0 14px 34px rgba(31,72,142,.09),inset 0 1px 0 #fff}

.site-header{position:fixed;inset:0 0 auto;z-index:100;padding:10px 0;transition:.25s ease}
.site-header.scrolled{padding:6px 0}
.nav-shell{width:min(calc(100% - 32px),1420px);height:58px;margin:0 auto;border-radius:20px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:26px;padding:0 18px 0 20px;transition:.25s ease}
.site-header.scrolled .nav-shell{background:rgba(255,255,255,.78);box-shadow:0 18px 50px rgba(33,70,135,.13),inset 0 1px 0 #fff}
.brand{display:inline-flex;align-items:center;gap:10px;min-width:max-content}
.brand img{width:34px;height:42px;object-fit:contain}
.brand span{display:grid;line-height:1;gap:5px}
.brand strong{font-size:18px;letter-spacing:.08em}
.brand small{font-size:8px;color:#8190aa;letter-spacing:.18em;font-weight:700}
.main-nav{display:flex;justify-content:center;align-items:center;gap:28px;font-size:14px;font-weight:700;color:#33415d}
.main-nav a{position:relative;transition:.2s ease}
.main-nav a:hover{color:var(--blue)}
.main-nav a::after{content:"";position:absolute;left:50%;right:50%;bottom:-10px;height:2px;border-radius:99px;background:linear-gradient(90deg,var(--blue),#776bff);transition:.2s ease}
.main-nav a:hover::after{left:0;right:0}
.nav-toggle{display:none;border:0;background:transparent;padding:8px}
.nav-toggle i{display:block;width:22px;height:1.5px;background:var(--text);margin:6px 0;transition:.2s ease}

.btn{min-height:44px;border:1px solid transparent;border-radius:999px;padding:0 22px;display:inline-flex;align-items:center;justify-content:center;font-weight:800;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;color:var(--text)}
.btn:hover{transform:translateY(-2px)}
.btn-primary{color:#fff;background:linear-gradient(135deg,#428cff 0%,#1265ff 52%,#1549e8 100%);box-shadow:0 13px 28px rgba(22,105,255,.28),inset 0 1px 0 rgba(255,255,255,.35)}
.btn-primary:hover{box-shadow:0 18px 38px rgba(22,105,255,.36)}
.btn-glass{color:#173158;border-color:rgba(79,120,195,.18);background:rgba(255,255,255,.56);backdrop-filter:blur(18px)}
.btn-glass:hover{border-color:rgba(22,105,255,.34);color:var(--blue);background:rgba(255,255,255,.82)}
.btn-dark{color:#fff;background:linear-gradient(135deg,#0d1932,#152e5c);box-shadow:0 13px 28px rgba(10,30,62,.20)}
.btn-large{min-height:54px;padding:0 30px}
.btn.full{width:100%}
.header-buy{min-height:42px;padding:0 22px}
.text-button{border:0;background:transparent;color:var(--blue);font-weight:800}

.hero{position:relative;min-height:930px;padding-top:calc(var(--header-h) + 95px);display:flex;align-items:center;overflow:hidden}
.hero::before{content:"";position:absolute;inset:80px 0 0;background:
  linear-gradient(118deg,rgba(255,255,255,.72),rgba(238,245,255,.40)),
  radial-gradient(circle at 78% 43%,rgba(69,131,255,.16),transparent 35%);z-index:-2}
.hero-orb{position:absolute;border-radius:50%;filter:blur(12px);pointer-events:none;z-index:-1}
.orb-a{width:430px;height:430px;left:-180px;top:250px;background:rgba(97,161,255,.20)}
.orb-b{width:520px;height:520px;right:-170px;bottom:80px;background:rgba(131,111,255,.15)}
.hero-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:72px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:10px;color:#4778ca;font-size:13px;font-weight:900;letter-spacing:.08em}
.eyebrow>span{width:28px;height:2px;border-radius:99px;background:linear-gradient(90deg,var(--blue-2),#7c6bff)}
.eyebrow.light{color:#b7d3ff}
.hero h1,.section-heading h2,.feature-copy h3,.privacy-panel h2,.purchase-panel h2{margin:0;letter-spacing:-.045em}
.hero h1{margin-top:22px;font-size:clamp(48px,5vw,76px);line-height:1.08;font-weight:780}
.hero h1 em{font-style:normal;color:var(--blue)}
.hero-copy>p{max-width:610px;margin:28px 0 0;color:#485a78;font-size:19px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-links{display:flex;flex-wrap:wrap;gap:24px;margin-top:22px;color:var(--blue);font-size:14px;font-weight:800}
.hero-links a:hover span,.section-link:hover b,.feature-copy a:hover b{display:inline-block;transform:translateX(4px)}
.trust-row{display:flex;flex-wrap:wrap;gap:12px 22px;margin-top:42px;color:#657490;font-size:13px}
.trust-row span{display:inline-flex;align-items:center;gap:8px}
.trust-row span::before{content:"";width:6px;height:6px;border-radius:50%;background:#4a8dff;box-shadow:0 0 0 5px rgba(74,141,255,.11)}

.hero-showcase{position:relative;min-width:0}
.showcase-halo{position:absolute;border:1px solid rgba(64,125,245,.15);border-radius:50%;pointer-events:none}
.halo-1{width:720px;height:310px;right:-80px;bottom:-80px;transform:rotate(-5deg)}
.halo-2{width:600px;height:250px;right:-20px;bottom:-45px;border-style:dashed}
.app-window{position:relative;z-index:2;border-radius:34px;padding:14px;box-shadow:0 42px 110px rgba(32,70,142,.22),inset 0 1px 0 #fff}
.app-window::after{content:"";position:absolute;left:13%;right:13%;bottom:-24px;height:24px;border-radius:0 0 70% 70%;background:linear-gradient(180deg,rgba(174,190,221,.30),rgba(255,255,255,.68));box-shadow:0 15px 38px rgba(39,72,132,.14)}
.app-titlebar{height:46px;display:flex;align-items:center;justify-content:space-between;padding:0 14px;border-bottom:1px solid rgba(27,65,132,.08)}
.app-brand-mini{display:flex;align-items:center;gap:8px;font-size:12px}
.app-brand-mini img{width:15px;height:20px;object-fit:contain}
.window-dots{display:flex;gap:10px}.window-dots i{width:8px;height:8px;border-radius:50%;background:#c8d3e6}
.app-body{display:grid;grid-template-columns:136px 1fr;min-height:470px;gap:12px;padding-top:12px}
.app-nav{border-radius:20px;padding:12px;display:flex;flex-direction:column;gap:7px}
.app-nav button{border:0;background:transparent;color:#75839c;border-radius:12px;padding:10px 9px;text-align:left;font-size:11px;display:flex;align-items:center;gap:8px}
.app-nav button span{width:22px;height:22px;border-radius:8px;display:grid;place-items:center;background:rgba(255,255,255,.55);border:1px solid rgba(57,98,174,.08)}
.app-nav button.active{color:var(--blue);font-weight:900;background:rgba(70,135,255,.12);box-shadow:inset 0 1px 0 rgba(255,255,255,.7)}
.app-main{display:flex;flex-direction:column;justify-content:space-between;min-width:0;padding:18px 18px 16px 0}
.assistant-area{min-height:290px;border-radius:28px;padding:24px;display:grid;grid-template-columns:220px 1fr;align-items:center;gap:18px;background:linear-gradient(135deg,rgba(224,238,255,.48),rgba(255,255,255,.58))}
.assistant-orbit{position:relative;height:210px;display:grid;place-items:center}
.orbit-ring{position:absolute;border-radius:50%;border:1px solid rgba(73,137,255,.24)}
.ring-one{width:158px;height:158px;animation:float 5s ease-in-out infinite}
.ring-two{width:202px;height:202px;border-style:dashed;animation:spin 18s linear infinite}
.assistant-core{width:118px;height:118px;border-radius:50%;display:grid;place-items:center;color:white;font-size:20px;font-weight:900;background:radial-gradient(circle at 36% 26%,#fff 0 5%,#a8d2ff 16%,#4d94ff 49%,#655ce8 77%,#174ccf 100%);box-shadow:0 24px 54px rgba(49,112,236,.34),inset 0 0 0 7px rgba(255,255,255,.52)}
.assistant-copy{padding:24px;border-radius:22px}
.assistant-copy small{color:#6985ae}.assistant-copy h3{margin:7px 0 0;font-size:23px;line-height:1.3}.assistant-copy p{margin:10px 0 0;color:#6d7c96;font-size:13px}
.tool-dock{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:14px}
.tool-dock article{border-radius:16px;padding:12px;display:flex;gap:10px;align-items:flex-start;min-width:0}
.tool-dock b{width:30px;height:30px;flex:0 0 auto;border-radius:10px;display:grid;place-items:center;color:var(--blue);background:rgba(220,235,255,.82)}
.tool-dock strong{display:block;font-size:11px}.tool-dock small{display:block;margin-top:3px;color:#8b98ad;font-size:8px;white-space:nowrap}
.showcase-note{position:relative;z-index:3;text-align:center;margin:44px 0 0;color:#91a0b8;font-size:11px}

.overview{position:relative;margin-top:-20px}
.overview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.overview-card{border-radius:24px;padding:28px;min-height:190px}
.overview-card>span{color:#5585d3;font-size:12px;font-weight:900}.overview-card h3{margin:14px 0 0;font-size:20px}.overview-card p{margin:10px 0 0;color:var(--muted);font-size:14px}

.section-heading{max-width:820px}
.section-heading.centered{text-align:center;margin:0 auto}.section-heading.centered .eyebrow{justify-content:center}
.section-heading h2{margin-top:18px;font-size:clamp(38px,4.2vw,58px);line-height:1.16}
.section-heading p{margin:22px 0 0;color:var(--muted);font-size:17px;line-height:1.8}
.section-heading.split{max-width:none;display:flex;align-items:end;justify-content:space-between;gap:40px}
.section-link{color:var(--blue);font-weight:900;white-space:nowrap}

.butler{background:linear-gradient(180deg,rgba(239,245,255,.55),rgba(255,255,255,.16))}
.butler-flow{margin-top:58px;border-radius:34px;padding:48px;display:grid;grid-template-columns:1fr auto 1fr auto 1fr;align-items:center;gap:22px}
.butler-flow article{text-align:center}.flow-index{width:34px;height:34px;margin:0 auto 16px;border-radius:50%;display:grid;place-items:center;color:#fff;font-size:12px;font-weight:900;background:linear-gradient(135deg,#5a9cff,#145eff);box-shadow:0 9px 20px rgba(22,105,255,.24)}
.butler-flow article>small{display:block;margin-top:14px;color:#71819c;font-weight:800}
.user-query,.ai-understand,.open-feature{min-height:140px;border-radius:22px;padding:24px;display:flex;align-items:center;justify-content:center;text-align:left}
.user-query{font-weight:800;font-size:16px}
.ai-understand{gap:16px}.mini-core{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;color:white;font-weight:900;background:linear-gradient(145deg,#78afff,#1669ff 65%,#6b58df);box-shadow:0 12px 26px rgba(22,105,255,.26)}
.ai-understand p,.open-feature p{margin:4px 0 0;color:#6c7b94;font-size:12px}
.open-feature{display:block}.micro-window{display:flex;gap:6px;margin-bottom:16px}.micro-window i{width:7px;height:7px;border-radius:50%;background:#c8d3e6}
.flow-arrow{width:70px;height:2px;background:linear-gradient(90deg,rgba(71,129,231,.18),rgba(71,129,231,.62));position:relative}.flow-arrow i{position:absolute;right:-2px;top:-4px;width:10px;height:10px;border-right:2px solid #5b8ee4;border-top:2px solid #5b8ee4;transform:rotate(45deg)}

.features{position:relative}
.feature-list{display:grid;gap:26px;margin-top:58px}
.feature-row{border-radius:var(--radius-xl);padding:52px;display:grid;grid-template-columns:.8fr 1.2fr;gap:64px;align-items:center;overflow:hidden;position:relative}
.feature-row::before{content:"";position:absolute;width:280px;height:280px;border-radius:50%;right:-80px;top:-100px;background:rgba(80,145,255,.10);filter:blur(8px)}
.feature-row.reverse{grid-template-columns:1.2fr .8fr}.feature-row.reverse .feature-copy{order:2}.feature-row.reverse .feature-visual{order:1}
.feature-no{color:#4778ca;font-size:12px;font-weight:900;letter-spacing:.08em}.feature-copy h3{margin-top:12px;font-size:42px}.feature-copy p{margin:18px 0 0;color:var(--muted);font-size:16px;line-height:1.82}.tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}.tags span{padding:7px 11px;border-radius:999px;color:#4c6182;background:rgba(228,238,255,.65);border:1px solid rgba(75,116,190,.09);font-size:12px;font-weight:800}.feature-copy a{display:inline-flex;margin-top:26px;color:var(--blue);font-weight:900}
.feature-visual{min-height:340px;border-radius:30px;padding:28px;position:relative;overflow:hidden}
.visual-head,.chat-head{display:flex;justify-content:space-between;align-items:center}.visual-head small{color:#7184a4}
.wave-bars{height:160px;margin-top:28px;display:flex;align-items:center;gap:8px;padding:0 8px}.wave-bars i{width:8px;height:var(--h);border-radius:99px;background:linear-gradient(180deg,#78b6ff,#1769ff 58%,#6b5be8);box-shadow:0 0 18px rgba(22,105,255,.26)}
.audio-status{margin-top:24px;border-radius:18px;padding:14px;display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center}.audio-status button{width:42px;height:42px;border:0;border-radius:50%;color:white;background:linear-gradient(145deg,#60a2ff,#1769ff)}.audio-status small{display:block;color:#7a88a1}.audio-status>span{color:#71809a;font-size:12px}
.chat-head{padding-bottom:16px;border-bottom:1px solid rgba(35,75,145,.09)}.chat-head>span{padding:6px 10px;border-radius:999px;color:#cc5b56;background:rgba(255,230,228,.66);font-size:10px;font-weight:900}.chat-avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(145deg,#c7ddff,#5b98ff);color:white;font-weight:900}.chat-head>div:nth-child(2){flex:1;margin-left:12px}.chat-head small{display:block;color:#8d99ad}.chat-thread{padding:28px 5px;display:grid;gap:16px}.chat-thread p{max-width:75%;margin:0;padding:13px 16px;border-radius:16px;font-size:13px}.incoming{background:rgba(255,255,255,.76);border:1px solid rgba(34,75,145,.08)}.outgoing{justify-self:end;color:white;background:linear-gradient(135deg,#5798ff,#1769ff)}.detecting{display:flex;align-items:center;gap:9px;color:#6b7a94;font-size:12px}.detecting i{width:8px;height:8px;border-radius:50%;background:#38c286;box-shadow:0 0 0 5px rgba(56,194,134,.12)}
.translate-tabs{display:flex;gap:10px}.translate-tabs button{border:0;border-radius:999px;padding:9px 14px;color:#687a99;background:rgba(255,255,255,.52);font-size:12px;font-weight:800}.translate-tabs button.active{color:white;background:linear-gradient(135deg,#5798ff,#1769ff)}.translate-grid{display:grid;grid-template-columns:1fr auto 1fr;gap:16px;align-items:center;margin-top:38px}.translate-grid .glass-card{min-height:170px;border-radius:20px;padding:22px}.translate-grid small{color:#7b8aa3}.translate-grid p{margin:20px 0 0;font-size:19px;font-weight:800}.translate-switch{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;color:var(--blue);background:rgba(255,255,255,.65);box-shadow:0 8px 18px rgba(37,77,148,.10)}
.album-visual{min-height:380px}.photo{position:absolute;border-radius:18px;box-shadow:0 18px 40px rgba(22,55,110,.18);overflow:hidden}.photo::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(5,21,48,.58))}.photo-main{left:38px;top:34px;width:52%;height:230px;background:linear-gradient(165deg,#c7ddff 0 24%,#79a5d5 25% 46%,#6e9d6c 47% 63%,#e5b16b 64%)}.photo-main span,.photo-main small{position:absolute;z-index:2;left:18px;color:white}.photo-main span{bottom:30px;font-weight:900}.photo-main small{bottom:14px;font-size:10px}.photo-a{right:30px;top:40px;width:31%;height:115px;background:linear-gradient(165deg,#87b4e8,#8fb275 55%,#e1b068 56%)}.photo-b{right:42px;top:170px;width:27%;height:105px;background:linear-gradient(165deg,#acd5ff,#486f9d 45%,#f0c36e 46%)}.photo-c{left:50%;bottom:22px;width:22%;height:80px;background:linear-gradient(165deg,#b8d7ff,#667da6 50%,#c78d62 51%)}.album-note{position:absolute;left:30px;right:30px;bottom:22px;border-radius:18px;padding:16px 18px}.album-note p{margin:4px 0 0;color:#6f7d95;font-size:11px}
.record-screen{height:240px;border-radius:20px;position:relative;overflow:hidden;background:linear-gradient(180deg,#9fc8ff,#dcecff 46%,#8db3d5 47%,#476d93 70%,#233f62 100%)}.scene-mountain{position:absolute;left:-10%;right:-10%;bottom:24px;height:140px;clip-path:polygon(0 85%,18% 42%,30% 70%,48% 18%,64% 64%,78% 36%,100% 84%,100% 100%,0 100%);background:linear-gradient(160deg,#b8d5ef,#5e80a1 52%,#25496d)}.record-time{position:absolute;z-index:2;top:14px;left:14px;padding:7px 10px;border-radius:999px;color:white;background:rgba(9,24,51,.58);font-size:11px;font-weight:800}.record-time i{display:inline-block;width:7px;height:7px;margin-right:6px;border-radius:50%;background:#ff4b52}.subtitle{position:absolute;z-index:3;left:50%;bottom:18px;transform:translateX(-50%);padding:8px 14px;border-radius:10px;color:white;background:rgba(5,18,42,.72);font-size:12px;white-space:nowrap}.timeline{display:flex;align-items:center;gap:9px;margin-top:22px}.timeline span{width:36%;height:8px;border-radius:99px;background:linear-gradient(90deg,#1769ff,#63a0ff)}.timeline i{flex:1;height:8px;border-radius:99px;background:rgba(120,145,185,.18)}

.experience{padding-top:36px}.experience-grid{border-radius:var(--radius-xl);padding:60px;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.experience-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}.experience-cards article{border-radius:24px;padding:26px}.experience-cards i{width:48px;height:48px;border-radius:16px;display:grid;place-items:center;font-style:normal;color:#ff6b93;background:rgba(255,224,234,.68);font-size:24px;font-weight:900}.experience-cards article:nth-child(2) i{color:#e79431;background:rgba(255,237,209,.70);font-size:16px}.experience-cards h3{margin:18px 0 0}.experience-cards p{margin:10px 0 0;color:var(--muted);font-size:13px}

.privacy-panel{min-height:470px;border-radius:46px;padding:70px 80px;display:grid;grid-template-columns:1fr .72fr;align-items:center;overflow:hidden;color:white;background:radial-gradient(circle at 78% 45%,rgba(92,150,255,.42),transparent 26%),linear-gradient(135deg,#08152f 0%,#102959 54%,#1649a4 100%);box-shadow:0 35px 90px rgba(16,45,98,.25)}
.privacy-panel h2{margin-top:18px;max-width:760px;font-size:clamp(38px,4vw,58px);line-height:1.16}.privacy-panel p{max-width:700px;margin:24px 0 0;color:rgba(255,255,255,.76);font-size:17px}.privacy-panel small{display:block;margin-top:22px;color:rgba(255,255,255,.52)}
.privacy-symbol{position:relative;min-height:320px;display:grid;place-items:center}.shield{position:relative;z-index:3;width:174px;height:204px;clip-path:polygon(50% 0,91% 18%,84% 73%,50% 100%,16% 73%,9% 18%);display:grid;place-items:center;background:linear-gradient(160deg,rgba(255,255,255,.92),rgba(111,167,255,.62));filter:drop-shadow(0 26px 34px rgba(0,0,0,.25))}.shield::after{content:"";position:absolute;inset:7px;clip-path:inherit;background:linear-gradient(160deg,#1d5dbf,#0b2c67)}.shield span{position:relative;z-index:2;font-weight:900;letter-spacing:.15em}.shield i{position:absolute;z-index:2;top:58px;width:28px;height:18px;border-left:5px solid white;border-bottom:5px solid white;transform:rotate(-45deg)}.shield-ring{position:absolute;border-radius:50%;border:1px solid rgba(159,197,255,.24)}.shield-ring.ring-a{width:270px;height:270px}.shield-ring.ring-b{width:350px;height:350px;border-style:dashed;animation:spin 22s linear infinite}

.tutorial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:54px}.tutorial-card{min-height:170px;border-radius:24px;padding:28px;display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:start;transition:.22s ease}.tutorial-card:hover{transform:translateY(-5px);box-shadow:0 22px 50px rgba(28,64,128,.13),inset 0 1px 0 #fff}.tutorial-card>span{color:#4d82dc;font-size:12px;font-weight:900}.tutorial-card h3{margin:0;font-size:20px}.tutorial-card p{margin:8px 0 0;color:var(--muted);font-size:13px}.tutorial-card>b{align-self:end;color:var(--blue);font-size:20px}

.purchase-panel{border-radius:34px;padding:52px 58px;display:grid;grid-template-columns:1fr auto;gap:46px;align-items:center;background:linear-gradient(135deg,rgba(226,239,255,.62),rgba(255,255,255,.58) 58%,rgba(224,238,255,.48))}.purchase-panel h2{margin-top:15px;font-size:clamp(34px,3.5vw,48px)}.purchase-panel p{max-width:760px;margin:16px 0 0;color:var(--muted)}.purchase-points{display:flex;flex-wrap:wrap;gap:15px;margin-top:22px;color:#415a7e;font-size:12px;font-weight:800}.purchase-points span::before{content:"✓";margin-right:7px;color:var(--blue)}.purchase-actions{min-width:310px;display:grid;justify-items:center;gap:18px}

.download{background:linear-gradient(180deg,rgba(247,250,255,.32),rgba(255,255,255,.6))}.download-grid{display:grid;grid-template-columns:1fr .82fr;gap:80px;align-items:center}.download-card{border-radius:34px;padding:44px}.file-icon{width:88px;height:104px;border-radius:18px 18px 26px 26px;display:grid;place-items:center;color:white;font-size:22px;font-weight:900;background:linear-gradient(150deg,#79b0ff,#1769ff 58%,#574ee2);box-shadow:0 20px 42px rgba(23,105,255,.27)}.download-card>div:nth-child(2){margin-top:24px}.download-card small{color:#6680a8}.download-card h3{margin:5px 0 0;font-size:30px}.download-card ul{list-style:none;padding:0;margin:26px 0;display:grid;gap:12px}.download-card li{display:flex;justify-content:space-between;gap:18px;padding-bottom:12px;border-bottom:1px solid rgba(35,80,155,.10);color:#64738e;font-size:13px}.download-card strong{color:#1d2f50}.download-card>a{color:var(--blue);font-weight:900}

.contact{background:radial-gradient(circle at 15% 50%,rgba(93,153,255,.13),transparent 28%),linear-gradient(180deg,#f7faff,#fff)}.contact-grid{display:grid;grid-template-columns:1fr .8fr;gap:80px;align-items:center}.contact-card{border-radius:30px;padding:40px;display:grid;gap:14px}.contact-card>small{color:#6a82a8}.contact-card>a{font-size:30px;font-weight:900;letter-spacing:-.03em}.contact-card .btn{justify-self:start}.contact-card p{margin:8px 0 0;color:var(--muted);font-size:13px}

.faq-list{max-width:900px;margin:48px auto 0;display:grid;gap:13px}.faq-item{border-radius:20px;padding:0 24px}.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;padding:22px 0;font-weight:800}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary span{font-size:22px;color:#6e86ad;transition:.2s ease}.faq-item[open] summary span{transform:rotate(45deg)}.faq-item p{margin:0;padding:0 0 22px;color:var(--muted)}

.site-footer{padding:72px 0 24px;border-top:1px solid rgba(28,66,135,.09);background:rgba(247,250,255,.72)}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:48px}.footer-brand p{max-width:300px;color:var(--muted);font-size:13px}.footer-grid>div:not(.footer-brand){display:grid;align-content:start;gap:10px}.footer-grid h4{margin:0 0 8px}.footer-grid a,.footer-grid button{border:0;background:transparent;padding:0;text-align:left;color:#64738e;font-size:13px}.footer-grid a:hover,.footer-grid button:hover{color:var(--blue)}.footer-bottom{margin-top:52px;padding-top:20px;border-top:1px solid rgba(28,66,135,.09);display:flex;flex-wrap:wrap;gap:18px 34px;color:#8390a5;font-size:12px}.footer-bottom div{margin-left:auto;display:flex;gap:20px}

.modal[hidden]{display:none}.modal{position:fixed;inset:0;z-index:200;display:grid;place-items:center;padding:24px}.modal-backdrop{position:absolute;inset:0;background:rgba(8,18,40,.35);backdrop-filter:blur(10px)}.modal-card{position:relative;z-index:2;width:min(100%,500px);border-radius:30px;padding:38px;text-align:center;box-shadow:0 38px 100px rgba(9,25,58,.30),inset 0 1px 0 #fff}.modal-card.modal-download{width:min(100%,680px);text-align:left}.modal-close{position:absolute;top:16px;right:16px;width:36px;height:36px;border:0;border-radius:50%;color:#53627b;background:rgba(255,255,255,.64);font-size:24px}.modal-icon{width:60px;height:60px;margin:0 auto 18px;border-radius:20px;display:grid;place-items:center;color:white;font-weight:900;background:linear-gradient(145deg,#67a6ff,#1769ff 62%,#6555df);box-shadow:0 16px 34px rgba(22,105,255,.28)}.modal-card h2{margin:0;font-size:28px}.modal-card>p{color:var(--muted)}.modal-card>.btn{width:100%;margin-top:10px}.modal-head{display:flex;align-items:center;gap:16px}.modal-head .modal-icon{margin:0}.modal-head small{color:#6a82a8}.modal-head h2{margin-top:2px}.modal-download form{margin-top:24px}.modal-download label{display:block;margin-bottom:8px;font-weight:800}.code-row{display:grid;grid-template-columns:1fr auto;gap:10px}.code-row input{width:100%;height:52px;border-radius:16px;border:1px solid rgba(34,78,154,.18);background:rgba(255,255,255,.62);padding:0 16px;outline:none}.code-row input:focus{border-color:rgba(22,105,255,.55);box-shadow:0 0 0 4px rgba(22,105,255,.10)}.form-message{min-height:24px;margin-top:8px;color:#d24f4f;font-size:12px}.download-success{border-radius:20px;padding:16px;display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center}.success-mark{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;color:white;background:#2dbb78;font-weight:900}.download-success p{margin:2px 0 0;color:#6b7a94;font-size:12px}.modal-divider{display:flex;align-items:center;gap:12px;margin:24px 0 12px;color:#8793a6;font-size:12px}.modal-divider::before,.modal-divider::after{content:"";height:1px;flex:1;background:rgba(47,82,145,.12)}.support-link{display:block;text-align:center;margin-top:16px;color:var(--blue);font-size:12px;font-weight:800}.toast{position:fixed;z-index:300;left:50%;bottom:28px;transform:translate(-50%,20px);padding:12px 18px;border-radius:999px;color:white;background:rgba(10,23,49,.90);opacity:0;pointer-events:none;transition:.22s ease}.toast.show{opacity:1;transform:translate(-50%,0)}

.reveal{opacity:0;transform:translateY(22px);transition:opacity .75s ease,transform .75s cubic-bezier(.2,.7,.2,1)}.reveal.in-view{opacity:1;transform:none}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

@media (max-width:1100px){
  .main-nav{gap:18px;font-size:13px}.hero{min-height:auto;padding-bottom:100px}.hero-grid{grid-template-columns:1fr;gap:60px}.hero-copy{text-align:center}.hero-copy>p{margin-left:auto;margin-right:auto}.hero-actions,.hero-links,.trust-row{justify-content:center}.hero-showcase{max-width:850px;margin:0 auto}.overview-grid{grid-template-columns:1fr}.feature-row,.feature-row.reverse{grid-template-columns:1fr;gap:36px}.feature-row.reverse .feature-copy,.feature-row.reverse .feature-visual{order:initial}.feature-copy{text-align:left}.experience-grid{grid-template-columns:1fr}.download-grid,.contact-grid{grid-template-columns:1fr;gap:44px}.privacy-panel{grid-template-columns:1fr}.privacy-symbol{min-height:300px}.footer-grid{grid-template-columns:1.4fr repeat(3,1fr)}
}

@media (max-width:860px){
  :root{--header-h:72px}.container{width:min(calc(100% - 32px),var(--container))}.section{padding:84px 0}.nav-shell{grid-template-columns:auto auto auto;justify-content:space-between}.nav-toggle{display:block;order:3}.header-buy{order:2;margin-left:auto}.main-nav{position:absolute;top:74px;left:16px;right:16px;display:none;flex-direction:column;align-items:stretch;gap:0;padding:14px;border-radius:20px;background:rgba(255,255,255,.92);border:1px solid rgba(255,255,255,.92);box-shadow:0 22px 50px rgba(25,59,120,.18);backdrop-filter:blur(24px)}.main-nav.open{display:flex}.main-nav a{padding:12px 10px}.main-nav a::after{display:none}.hero{padding-top:140px}.hero h1{font-size:clamp(42px,10vw,62px)}.app-body{grid-template-columns:100px 1fr}.assistant-area{grid-template-columns:1fr}.assistant-orbit{height:170px}.tool-dock{grid-template-columns:repeat(2,1fr)}.butler-flow{grid-template-columns:1fr;gap:16px}.flow-arrow{width:2px;height:46px;margin:0 auto;background:linear-gradient(180deg,rgba(71,129,231,.18),rgba(71,129,231,.62))}.flow-arrow i{right:-4px;top:auto;bottom:-2px;transform:rotate(135deg)}.tutorial-grid{grid-template-columns:1fr}.purchase-panel{grid-template-columns:1fr}.purchase-actions{min-width:0;justify-items:start}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}
}

@media (max-width:620px){
  .site-header{padding-top:7px}.nav-shell{width:calc(100% - 18px);height:56px;padding:0 12px;border-radius:17px}.brand img{width:28px;height:34px}.brand strong{font-size:15px}.brand small{display:none}.header-buy{min-height:38px;padding:0 14px;font-size:12px}.hero{padding-top:120px}.hero-grid{gap:42px}.hero h1{font-size:42px}.hero-copy>p{font-size:16px}.hero-actions{display:grid}.hero-actions .btn{width:100%}.trust-row{display:grid;justify-content:start;text-align:left}.app-window{padding:8px;border-radius:24px}.app-body{grid-template-columns:1fr}.app-nav{display:grid;grid-template-columns:repeat(3,1fr);padding:8px}.app-nav button{justify-content:center;padding:8px 5px;font-size:9px}.app-nav button span{display:none}.app-main{padding:8px 0 0}.assistant-area{padding:16px}.assistant-copy h3{font-size:19px}.tool-dock{grid-template-columns:1fr 1fr}.tool-dock article{padding:9px}.showcase-note{margin-top:34px}.overview-card{min-height:auto}.section-heading h2{font-size:36px}.section-heading.split{display:block}.section-link{display:inline-flex;margin-top:18px}.feature-row{padding:26px;border-radius:28px}.feature-copy h3{font-size:34px}.feature-visual{min-height:300px;padding:18px}.translate-grid{grid-template-columns:1fr}.translate-switch{margin:0 auto}.experience-grid{padding:28px}.experience-cards{grid-template-columns:1fr}.privacy-panel{padding:40px 26px;border-radius:30px}.privacy-symbol{transform:scale(.78);margin:-20px 0}.purchase-panel{padding:32px 26px}.purchase-actions{width:100%}.purchase-actions .btn{width:100%}.download-card,.contact-card{padding:28px}.contact-card>a{font-size:22px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{display:grid}.footer-bottom div{margin-left:0}.modal{padding:12px}.modal-card{padding:30px 22px}.code-row{grid-template-columns:1fr}.download-success{grid-template-columns:auto 1fr}.download-success .btn{grid-column:1/-1;width:100%}
}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}.ring-one,.ring-two,.shield-ring.ring-b{animation:none}.btn,.tutorial-card{transition:none}}

/* 内页 */
.subpage-body{min-height:100vh;background:radial-gradient(circle at 16% 10%,rgba(94,154,255,.16),transparent 25%),radial-gradient(circle at 86% 6%,rgba(126,103,255,.12),transparent 22%),linear-gradient(180deg,#f9fcff,#f3f7ff 52%,#fff)}
.subpage-main{padding:150px 0 100px}.subpage-hero{text-align:center;max-width:880px;margin:0 auto}.subpage-hero h1{margin:20px 0 0;font-size:clamp(42px,6vw,68px);letter-spacing:-.05em;line-height:1.08}.subpage-hero p{max-width:720px;margin:22px auto 0;color:var(--muted);font-size:17px}.subpage-content{margin-top:58px;display:grid;gap:18px}.content-card{border-radius:28px;padding:34px}.content-card h2{margin:0;font-size:28px;letter-spacing:-.03em}.content-card h3{margin:20px 0 0}.content-card p,.content-card li{color:var(--muted)}.content-card ul,.content-card ol{padding-left:22px}.content-card a{color:var(--blue);font-weight:800}.tutorial-categories{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.tutorial-detail{scroll-margin-top:100px}.tutorial-detail header{display:flex;align-items:center;gap:14px}.tutorial-detail header span{width:38px;height:38px;border-radius:13px;display:grid;place-items:center;color:#fff;font-weight:900;background:linear-gradient(145deg,#66a5ff,#1769ff)}.tutorial-detail .steps{display:grid;gap:12px;margin-top:22px}.tutorial-detail .step{display:grid;grid-template-columns:auto 1fr;gap:13px;padding:16px;border-radius:17px;background:rgba(255,255,255,.48);border:1px solid rgba(255,255,255,.72)}.tutorial-detail .step b{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;color:var(--blue);background:rgba(218,234,255,.76)}.future-video{display:none}.policy-meta{display:flex;flex-wrap:wrap;gap:14px;margin-top:20px;color:#75849d;font-size:13px}.back-home{display:inline-flex;margin-top:28px;color:var(--blue);font-weight:900}.simple-cta{margin-top:42px;padding:28px;border-radius:26px;display:flex;align-items:center;justify-content:space-between;gap:24px}.simple-cta h3{margin:0}.simple-cta p{margin:5px 0 0;color:var(--muted)}
@media(max-width:760px){.subpage-main{padding-top:120px}.tutorial-categories{grid-template-columns:1fr}.content-card{padding:26px}.simple-cta{display:grid}}


/* AI manager visible image and search thumbnail support */
.assistant-character-core{
  width:156px;
  height:190px;
  border-radius:42px;
  overflow:visible;
  background:radial-gradient(circle at 50% 35%,rgba(255,255,255,.96),rgba(216,234,255,.70) 52%,rgba(142,183,255,.30) 100%);
  box-shadow:0 24px 58px rgba(49,112,236,.28),inset 0 0 0 1px rgba(255,255,255,.85);
}
.assistant-character-core img{
  display:block;
  width:168px;
  height:204px;
  object-fit:contain;
  transform:translateY(-9px);
  filter:drop-shadow(0 18px 18px rgba(33,78,164,.22));
}
.assistant-character-caption{
  grid-column:1;
  margin:-6px 0 0;
  text-align:center;
  color:#8192ad;
  font-size:10px;
}
@media (max-width:760px){
  .assistant-character-core{width:136px;height:166px}
  .assistant-character-core img{width:145px;height:176px}
}