:root{
  --ink:#171310;
  --ink-2:#4A4038;
  --muted:#6F6359;
  --faint:#A89C91;
  --line:rgba(28,20,12,.07);
  --line-2:rgba(28,20,12,.13);
  --bg:#F7F6F4;
  --bg-2:rgba(255,255,255,.38);
  --accent:#B0410F;
  --accent-2:#D25C1C;
  --accent-d:#8A3208;
  --accent-l:rgba(176,65,15,.07);
  --gold:#C08A3E;
  --glass:rgba(255,255,255,.40);
  --glass-2:rgba(255,255,255,.58);
  --glass-brd:rgba(255,255,255,.72);
  --radius:16px;
  --sh-sm:0 0 0 1px rgba(28,20,12,.035), 0 8px 22px -16px rgba(24,18,12,.14), inset 0 1px 0 rgba(255,255,255,.85);
  --sh-md:0 0 0 1px rgba(28,20,12,.045), 0 18px 42px -24px rgba(24,18,12,.22), inset 0 1px 0 rgba(255,255,255,.9);
  --sh-lg:0 0 0 1px rgba(28,20,12,.05), 0 34px 72px -34px rgba(24,18,12,.28), inset 0 1px 0 rgba(255,255,255,.9);
  --blur:blur(24px) saturate(175%);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;background:#F4F3F1}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",-apple-system,"Segoe UI",Roboto,sans-serif;
  color:var(--ink);background:transparent;line-height:1.72;
  -webkit-font-smoothing:antialiased;font-size:15px;
  text-rendering:optimizeLegibility;
}
html::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(56% 44% at 84% -8%, rgba(222,138,74,.40) 0%, rgba(222,138,74,0) 60%),
    radial-gradient(44% 38% at 2% 12%, rgba(126,146,172,.28) 0%, rgba(126,146,172,0) 62%),
    radial-gradient(60% 46% at 54% 108%, rgba(188,112,62,.28) 0%, rgba(188,112,62,0) 68%),
    radial-gradient(34% 30% at 98% 58%, rgba(140,158,180,.16) 0%, rgba(140,158,180,0) 68%),
    radial-gradient(40% 34% at 18% 74%, rgba(206,170,116,.18) 0%, rgba(206,170,116,0) 70%),
    linear-gradient(180deg,#F1EFEB 0%,#E9E6E1 50%,#EDEAE4 100%);
}
html::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.42;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.3'/%3E%3C/svg%3E");
  background-size:160px 160px;
}
body::before{
  content:"";position:fixed;top:0;left:0;right:0;height:2px;z-index:99;opacity:.85;
  background:linear-gradient(90deg,rgba(201,119,47,0) 0%,rgba(201,119,47,.9) 22%,rgba(176,65,15,.95) 64%,rgba(138,50,8,0) 100%);
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1140px;margin:0 auto;padding:0 24px}
section[id]{scroll-margin-top:92px}
::selection{background:rgba(176,65,15,.16);color:#5A2408}

/* header */
.hd{position:sticky;top:0;z-index:50;background:rgba(249,248,246,.7);backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur);border-bottom:1px solid var(--line);box-shadow:0 1px 0 rgba(255,255,255,.55) inset}
.hd-in{display:flex;align-items:center;gap:26px;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-svg{display:block;height:34px;width:auto;overflow:visible;filter:drop-shadow(0 6px 14px rgba(138,50,8,.18))}
.logo-svg text{font-family:"PingFang SC","Microsoft YaHei",-apple-system,"Segoe UI",Roboto,sans-serif}
.nav{display:flex;gap:18px;flex:1;overflow-x:auto;scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.nav a{font-size:14px;color:var(--ink-2);white-space:nowrap;padding:6px 0;position:relative;transition:color .18s}
.nav a::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1.5px;border-radius:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .26s cubic-bezier(.22,.61,.36,1)}
.nav a:hover{color:var(--accent)}
.nav a:hover::after{transform:scaleX(1)}
.nav a.on{color:var(--accent);font-weight:500}
.nav a.on::after{transform:scaleX(1)}
.hd-cta{flex:0 0 auto}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:12px;font-size:14px;font-weight:500;transition:transform .2s cubic-bezier(.22,.61,.36,1),box-shadow .2s,background .2s,border-color .2s,color .2s;border:1px solid transparent;cursor:pointer;letter-spacing:.2px}
.btn-p{background:linear-gradient(165deg,#C9541C,#96370A);color:#fff;box-shadow:0 12px 26px -14px rgba(150,55,10,.75),inset 0 1px 0 rgba(255,255,255,.22)}
.btn-p:hover{background:linear-gradient(165deg,#B94A16,#7F2D07);box-shadow:0 16px 32px -16px rgba(127,45,7,.8),inset 0 1px 0 rgba(255,255,255,.24);transform:translateY(-1px)}
.btn-g{background:var(--glass-2);color:var(--ink);border-color:rgba(28,20,12,.09);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:inset 0 1px 0 rgba(255,255,255,.85)}
.btn-g:hover{border-color:rgba(176,65,15,.42);color:var(--accent);background:rgba(255,255,255,.9)}
.btn-sm{padding:9px 17px;font-size:13px;border-radius:10px}
.btn-arr::after{content:"→";font-size:15px;line-height:1;transition:transform .2s}
.btn-arr:hover::after{transform:translateX(3px)}

/* hero */
.hero{padding:78px 0 66px;border-bottom:1px solid var(--line);position:relative;overflow:hidden;background:transparent}
.hero::before{
  content:"";position:absolute;top:-140px;right:-100px;width:660px;height:660px;border-radius:50%;pointer-events:none;
  background:radial-gradient(circle at 50% 50%,rgba(226,150,88,.38) 0%,rgba(226,150,88,0) 68%);
  filter:blur(14px);
}
.hero::after{
  content:"";position:absolute;left:-160px;bottom:-220px;width:560px;height:560px;border-radius:50%;pointer-events:none;
  background:radial-gradient(circle at 50% 50%,rgba(126,146,172,.24) 0%,rgba(126,146,172,0) 66%);
  filter:blur(14px);
}
.hero-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:52px;align-items:center;position:relative}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.06em;color:var(--accent);background:rgba(255,255,255,.62);border:1px solid rgba(176,65,15,.16);padding:5px 12px;border-radius:999px;margin-bottom:22px;font-weight:500;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:inset 0 1px 0 rgba(255,255,255,.9)}
h1{font-size:clamp(27px,3.4vw,39px);line-height:1.24;font-weight:600;letter-spacing:-1.1px;color:var(--ink);text-wrap:balance}
.hero p.lead{margin-top:20px;font-size:16px;color:var(--ink-2);max-width:600px;line-height:1.78;text-wrap:pretty}
.hero-act{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap}
.hero-pts{display:flex;gap:22px;margin-top:28px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.hero-pts span::before{content:"✓";color:var(--accent);margin-right:7px;font-weight:700}

.panel{background:linear-gradient(180deg,rgba(255,255,255,.52),rgba(255,255,255,.32));border:1px solid var(--glass-brd);border-radius:20px;padding:22px;box-shadow:var(--sh-lg);backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur)}
.panel-h{font-size:12px;color:var(--muted);letter-spacing:.08em;margin-bottom:12px;padding-left:4px}
.panel-list{display:grid;gap:2px}
.panel-list a{display:flex;justify-content:space-between;align-items:center;padding:11px 13px;border-radius:10px;font-size:14px;color:var(--ink-2);transition:background .18s,color .18s,transform .18s}
.panel-list a:hover{background:rgba(255,255,255,.85);color:var(--accent);transform:translateX(2px);box-shadow:0 6px 16px -14px rgba(24,18,12,.4)}
.panel-list a i{font-style:normal;color:var(--faint);font-size:13px}

/* sections */
.sec{padding:76px 0}
.sec-alt{background:rgba(224,220,214,.46);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-top:1px solid rgba(255,255,255,.5);border-bottom:1px solid rgba(28,20,12,.06)}
.sec-h{margin-bottom:38px;max-width:740px}
.sec-h .tag{display:inline-block;font-size:12px;letter-spacing:.1em;color:var(--accent);font-weight:500;margin-bottom:12px;padding:3px 10px;border-radius:7px;background:rgba(255,255,255,.6);border:1px solid rgba(176,65,15,.14)}
h2{font-size:clamp(21px,2.5vw,30px);line-height:1.36;font-weight:600;letter-spacing:-.7px;text-wrap:balance}
.sec-h p{margin-top:13px;color:var(--muted);font-size:14.5px}

/* grids */
.g4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.g3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.g2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.card{background:linear-gradient(180deg,rgba(255,255,255,.56),rgba(255,255,255,.34));border:1px solid var(--glass-brd);border-radius:var(--radius);padding:24px;transition:transform .24s cubic-bezier(.22,.61,.36,1),box-shadow .24s,background .24s;box-shadow:var(--sh-sm);backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur)}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-md);background:rgba(255,255,255,.62)}
.card h3{font-size:16px;font-weight:600;margin-bottom:8px;color:var(--ink);letter-spacing:-.2px}
.card p{font-size:13.5px;color:var(--muted);line-height:1.68}
.card .num{font-size:12px;color:var(--accent);font-weight:600;letter-spacing:.1em;margin-bottom:11px;display:block;font-variant-numeric:tabular-nums}

/* wechat contact */
.wx-wrap{display:flex;justify-content:center}
.wx-card{display:flex;align-items:center;gap:32px;background:linear-gradient(180deg,rgba(255,255,255,.68),rgba(255,255,255,.46));border:1px solid var(--glass-brd);border-radius:22px;padding:30px 34px;box-shadow:var(--sh-lg);max-width:680px;backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur)}
.wx-card .qr{width:180px;height:180px;flex:0 0 auto;border-radius:14px;border:1px solid rgba(28,20,12,.08);background:#fff;padding:8px;box-sizing:content-box;box-shadow:0 10px 24px -18px rgba(24,18,12,.5)}
.wx-tag{display:inline-block;font-size:12px;color:var(--accent);font-weight:600;letter-spacing:.08em;margin-bottom:8px}
.wx-info h3{font-size:19px;font-weight:600;color:var(--ink);margin-bottom:2px;line-height:1.4;letter-spacing:-.3px}
.wx-info p{font-size:13.5px;color:var(--muted);line-height:1.72}
.wx-info .wx-id{font-size:20px;font-weight:600;color:var(--ink);letter-spacing:.02em;margin:2px 0 12px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums}
.ft-note{display:block;font-size:13px;color:var(--muted);padding:4px 0;line-height:1.5}

/* service cards */
.svc{display:flex;flex-direction:column;gap:10px}
.svc .kw{font-size:12px;color:var(--faint);line-height:1.55;margin-top:auto;padding-top:13px;border-top:1px dashed rgba(28,20,12,.1)}
.svc .more{font-size:13px;color:var(--accent);font-weight:500;transition:transform .2s}
.svc:hover .more{transform:translateX(3px)}

/* steps */
.steps{display:grid;gap:0;border-left:1px solid var(--line-2);margin-left:7px}
.step{position:relative;padding:0 0 30px 28px}
.step:last-child{padding-bottom:0}
.step::before{content:"";position:absolute;left:-7px;top:7px;width:13px;height:13px;border-radius:50%;background:#FBFAF8;border:2px solid var(--accent);box-shadow:0 0 0 4px rgba(176,65,15,.09)}
.step h3{font-size:15px;font-weight:600;margin-bottom:5px}
.step p{font-size:13.5px;color:var(--muted);line-height:1.7}

/* checklist */
.chk{display:grid;grid-template-columns:repeat(2,1fr);gap:12px 26px}
.chk li{list-style:none;font-size:14px;color:var(--ink-2);padding-left:26px;position:relative;line-height:1.65}
.chk li::before{content:"";position:absolute;left:0;top:6px;width:16px;height:16px;border-radius:6px;background:rgba(255,255,255,.8);border:1px solid rgba(176,65,15,.2)}
.chk li::after{content:"✓";position:absolute;left:3px;top:1px;font-size:10px;color:var(--accent);font-weight:700}

/* faq */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);transition:background .2s}
.faq details:hover{background:rgba(255,255,255,.4)}
.faq summary{cursor:pointer;padding:19px 32px 19px 14px;font-size:15px;font-weight:500;position:relative;list-style:none;transition:color .18s}
.faq summary:hover{color:var(--accent)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:10px;top:16px;font-size:19px;color:var(--faint);font-weight:300;transition:transform .22s,color .18s}
.faq details[open] summary{color:var(--accent)}
.faq details[open] summary::after{content:"−";color:var(--accent)}
.faq .ans{padding:0 44px 22px 14px;font-size:14px;color:var(--muted);line-height:1.8}

/* breadcrumb */
.crumb{font-size:12.5px;color:var(--muted);padding:22px 0 0}
.crumb a{transition:color .18s}
.crumb a:hover{color:var(--accent)}
.crumb span{margin:0 8px;color:var(--faint)}

/* cta band */
.cta{border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:linear-gradient(115deg,rgba(214,132,72,.16) 0%,rgba(206,118,58,.10) 48%,rgba(186,104,54,.07) 100%);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.cta-in{padding:56px 0;display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap}
.cta h2{font-size:clamp(20px,2.3vw,27px)}
.cta p{color:#7A4E2C;font-size:14px;margin-top:9px}

/* footer */
.ft{background:rgba(255,255,255,.46);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-top:1px solid var(--line);padding:56px 0 30px}
.ft-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:36px;padding-bottom:38px;border-bottom:1px solid var(--line)}
.ft h3{font-size:13px;font-weight:600;margin-bottom:15px;letter-spacing:.04em;color:var(--ink)}
.ft-col a{display:block;font-size:13px;color:var(--muted);padding:4px 0;transition:color .18s,transform .18s}
.ft-col a:hover{color:var(--accent);transform:translateX(2px)}
.ft-about{font-size:13px;color:var(--muted);margin-top:15px;line-height:1.78;max-width:290px}

/* keyword cloud */
.kw-sec{padding:32px 0 8px}
.kw-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:6px;flex-wrap:wrap}
.kw-head h3{font-size:13px;font-weight:600}
.kw-head span{font-size:12px;color:var(--faint)}
.kw-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(228px,1fr));gap:22px 28px;margin-top:22px}
.kw-group-t{display:inline-block;font-size:12.5px;font-weight:600;color:var(--ink-2);margin-bottom:9px;padding-bottom:4px;border-bottom:1px solid var(--line)}
.kw-group-t:hover{color:var(--accent);border-color:var(--accent)}
.kw-chips{display:flex;flex-wrap:wrap;gap:7px}
.kw-chip{font-size:12px;color:var(--ink-2);background:rgba(255,255,255,.62);border:1px solid rgba(28,20,12,.08);border-radius:999px;padding:4px 10px;line-height:1.5;transition:.16s;white-space:nowrap;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.kw-chip:hover{color:var(--accent);border-color:rgba(176,65,15,.4);background:rgba(255,255,255,.92)}
.ft-btm{padding-top:22px;font-size:12px;color:var(--faint);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* ai quick-read */
section#ai{padding:48px 0 56px}
.ai-box{background:linear-gradient(180deg,rgba(255,255,255,.62),rgba(255,255,255,.4));border:1px solid var(--glass-brd);border-left:2px solid var(--accent);border-radius:16px;padding:26px 30px;box-shadow:var(--sh-sm);backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur)}
.ai-tag{display:inline-block;font-size:11.5px;letter-spacing:.08em;color:var(--accent);background:rgba(176,65,15,.06);border:1px solid rgba(176,65,15,.16);border-radius:7px;padding:3px 10px;margin-bottom:13px;font-weight:500}
.ai-def{font-size:15px;color:var(--ink);line-height:1.88;max-width:920px}
.ai-facts{display:grid;grid-template-columns:repeat(2,1fr);gap:10px 36px;margin-top:19px;padding-top:17px;border-top:1px dashed rgba(28,20,12,.12)}
.ai-facts>div{display:flex;gap:12px;font-size:13.5px;align-items:baseline}
.ai-k{flex:0 0 64px;color:var(--muted);font-size:12.5px}
.ai-v{color:var(--ink-2);flex:1;line-height:1.72}
.ai-src{margin-top:17px;font-size:12px;color:var(--faint)}

/* pricing cards */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:start}
.pc{border:1px solid var(--glass-brd);border-radius:20px;padding:28px 26px;background:linear-gradient(180deg,rgba(255,255,255,.58),rgba(255,255,255,.36));display:flex;flex-direction:column;gap:14px;position:relative;transition:transform .24s cubic-bezier(.22,.61,.36,1),box-shadow .24s,background .24s;box-shadow:var(--sh-sm);backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur)}
.pc:hover{transform:translateY(-3px);box-shadow:var(--sh-md);background:rgba(255,255,255,.62)}
.pc.hi{border-color:rgba(176,65,15,.28);box-shadow:0 24px 56px -30px rgba(150,55,10,.42),inset 0 1px 0 rgba(255,255,255,.95);background:linear-gradient(180deg,rgba(255,255,255,.82),rgba(255,250,244,.7))}
.pc-tag{position:absolute;top:-11px;right:22px;background:linear-gradient(158deg,#C9541C,#8A3208);color:#fff;font-size:11.5px;padding:4px 12px;border-radius:999px;letter-spacing:.04em;box-shadow:0 8px 18px -10px rgba(138,50,8,.9),inset 0 1px 0 rgba(255,255,255,.24)}
.pc h3{font-size:16px;font-weight:600}
.pc .sub{font-size:13px;color:var(--muted);line-height:1.68;min-height:64px}
.pc .amt{font-size:35px;font-weight:600;letter-spacing:-1.4px;color:var(--ink);line-height:1;font-variant-numeric:tabular-nums}
.pc .amt span{font-size:13px;font-weight:400;color:var(--muted);margin-left:4px;letter-spacing:0}
.pc ul{list-style:none;display:grid;gap:9px;font-size:13.5px;color:var(--ink-2);border-top:1px solid var(--line);padding-top:17px;margin-top:2px}
.pc li{padding-left:20px;position:relative;line-height:1.62}
.pc li::before{content:"✓";position:absolute;left:0;top:0;color:var(--accent);font-size:12px;font-weight:700}
.pc li.no{color:var(--faint)}
.pc li.no::before{content:"—";color:var(--faint);font-weight:400}
.pc .btn{margin-top:auto;justify-content:center}

/* single service price */
.price-single{display:grid;grid-template-columns:.85fr 1.15fr;border:1px solid var(--glass-brd);border-radius:18px;overflow:hidden;background:var(--glass);box-shadow:var(--sh-sm);backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur)}
.ps-main{padding:34px 32px;background:linear-gradient(160deg,rgba(255,255,255,.7),rgba(255,248,240,.5));border-right:1px solid var(--line);display:flex;flex-direction:column;justify-content:center}
.ps-amt{font-size:39px;font-weight:600;letter-spacing:-1.6px;line-height:1;color:var(--ink);font-variant-numeric:tabular-nums}
.ps-unit{font-size:13px;color:var(--muted);margin-left:8px;font-weight:400;letter-spacing:0}
.ps-main ul{list-style:none;display:grid;gap:8px;font-size:13.5px;color:var(--ink-2);margin-top:19px}
.ps-main li{padding-left:19px;position:relative;line-height:1.62}
.ps-main li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-size:12px;font-weight:700}
.ps-side{padding:28px 32px;display:grid;gap:17px;align-content:center}
.ps-row b{display:block;font-size:12.5px;color:var(--muted);font-weight:500;margin-bottom:4px}
.ps-row p{font-size:13.5px;color:var(--ink-2);line-height:1.72}
.ps-note{margin-top:17px;font-size:13px;color:var(--muted);line-height:1.75}
.ps-note a{color:var(--accent);font-weight:500}
.ps-note a:hover{text-decoration:underline}

/* comparison table */
.cmp-hint{display:none;font-size:12px;color:var(--faint);margin:10px 0 6px}
.cmp-wrap{overflow-x:auto;border:1px solid var(--glass-brd);border-radius:16px;background:linear-gradient(180deg,rgba(255,255,255,.55),rgba(255,255,255,.35));box-shadow:var(--sh-sm);backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur)}
.cmp{width:100%;border-collapse:collapse;font-size:13.5px;min-width:600px}
.cmp th,.cmp td{padding:13px 16px;border-bottom:1px solid var(--line);text-align:left}
.cmp thead th{font-size:12.5px;color:var(--muted);font-weight:500;background:rgba(255,255,255,.55)}
.cmp th.c,.cmp td.c{text-align:center;width:162px}
.cmp tbody td:first-child{white-space:nowrap}
.cmp td.cyc{width:200px}
.cmp tbody tr:last-child td{border-bottom:none}
.cmp tbody tr{transition:background .16s}
.cmp tbody tr:hover{background:rgba(255,255,255,.5)}
.cmp td.c{color:var(--ink-2)}

/* motion */
.js .rv{opacity:0;transform:translateY(16px);transition:opacity .65s cubic-bezier(.22,.61,.36,1),transform .65s cubic-bezier(.22,.61,.36,1)}
.js .rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .rv{opacity:1;transform:none;transition:none}
  *{animation-duration:.001ms!important;transition-duration:.001ms!important}
}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .hd,.card,.panel,.pc,.wx-card,.ai-box,.ft,.sec-alt,.cmp-wrap,.price-single{background:rgba(255,255,255,.92)}
}

/* responsive */
@media(min-width:961px) and (max-width:1120px){
  .nav{gap:10px}
  .nav a{font-size:13px}
  .logo-svg{height:26px}
}
@media(max-width:960px){
  .price-grid{grid-template-columns:1fr}
  .price-single{grid-template-columns:1fr}
  .ps-main{border-right:none;border-bottom:1px solid var(--line)}
  .hero{padding:52px 0 46px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .g4{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
  .ft-grid{grid-template-columns:1fr 1fr}
  .nav{display:none}
  .hd-in{justify-content:space-between;height:66px}
}
@media(max-width:620px){
  .br-d{display:none}
  .sec{padding:52px 0}
  .g4,.g3,.g2{grid-template-columns:1fr}
  .chk{grid-template-columns:1fr}
  .ft-grid{grid-template-columns:1fr}
  .hero{padding:40px 0 36px}
  .cta-in{padding:42px 0}
  .kw-grid{grid-template-columns:1fr}
  .ai-facts{grid-template-columns:1fr}
  .ai-box{padding:22px}
  .pc .sub{min-height:0}
  .cmp-hint{display:block}
  .wx-card{flex-direction:column;text-align:center;gap:20px;padding:26px 22px}
  .wx-card .qr{width:160px;height:160px}
}