:root{--bg:#0a0e24;--bg2:#121846;--ink:#12163a;--muted:#5a6183;--line:#e3e6f4;--soft:#f5f6fd;--blue:#3b6cff;--violet:#7c4dff;--grad:linear-gradient(135deg,#3b6cff,#7c4dff);--r:16px;--shadow:0 10px 40px -12px rgba(59,76,255,.25)}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
body{font:16px/1.8 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Segoe UI,sans-serif;color:var(--ink);background:#fff;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:3px solid #9db4ff;outline-offset:2px}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:99}
h1,h2,h3{line-height:1.35;letter-spacing:.01em}
h1{font-size:clamp(2rem,5vw,3.2rem);font-weight:800}
h2{font-size:clamp(1.55rem,3.2vw,2.15rem);font-weight:800}
h3{font-size:1.15rem;font-weight:700}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.dark .grad-text{background:linear-gradient(135deg,#7fa2ff,#b79cff);-webkit-background-clip:text;background-clip:text}

/* header */
.hdr{position:sticky;top:0;z-index:50;background:rgba(10,14,36,.88);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.08)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:1.2rem}
.brand:hover{text-decoration:none}
.brand img{width:34px;height:34px}
.brand small{font-weight:500;font-size:.8rem;color:#aab3e6;margin-left:2px}
.nav{display:flex;align-items:center;gap:6px}
.nav a{color:#d6dbf7;padding:8px 12px;border-radius:8px;font-size:.95rem}
.nav a:hover,.nav a.on{color:#fff;background:rgba(255,255,255,.08);text-decoration:none}
.nav .btn{margin-left:8px;color:#fff}
.burger{display:none;background:none;border:0;color:#fff;padding:8px;cursor:pointer}
.burger svg{width:26px;height:26px}
@media(max-width:860px){
 .burger{display:block}
 .nav{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;background:var(--bg);padding:12px 20px 20px;border-bottom:1px solid rgba(255,255,255,.1)}
 .hdr.open .nav{display:flex}
 .nav .btn{margin:8px 0 0;text-align:center}
}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--grad);color:#fff;font:inherit;font-weight:700;padding:12px 24px;border-radius:999px;border:0;cursor:pointer;box-shadow:var(--shadow);transition:transform .15s,filter .15s}
.btn:hover{transform:translateY(-2px);filter:brightness(1.08);text-decoration:none}
.btn[disabled]{opacity:.6;cursor:wait;transform:none}
.btn.ghost{background:transparent;border:1.5px solid rgba(255,255,255,.35);box-shadow:none}
.btn.line{background:#fff;color:var(--blue);border:1.5px solid var(--blue);box-shadow:none}
.btn.lg{padding:15px 32px;font-size:1.05rem}
.btn .ic{width:20px;height:20px}

/* sections */
.sec{padding:80px 0}
.sec.soft{background:var(--soft)}
.dark{background:radial-gradient(900px 500px at 85% -10%,rgba(124,77,255,.45),transparent 60%),radial-gradient(700px 500px at 0% 110%,rgba(59,108,255,.35),transparent 60%),var(--bg);color:#e8ebff}
.dark h1,.dark h2,.dark h3{color:#fff}
.head{max-width:680px;margin:0 auto 48px;text-align:center}
.head p{color:var(--muted);margin-top:12px}
.eyebrow{display:inline-block;font-size:.85rem;font-weight:700;letter-spacing:.08em;color:var(--violet);margin-bottom:10px}
.dark .eyebrow{color:#a9b9ff}
.g2,.g3,.g4{display:grid;gap:24px}
.g2{grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(min(100%,230px),1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px;transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card p{color:var(--muted);margin-top:8px}
.ic{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.icbox{display:grid;place-items:center;width:52px;height:52px;border-radius:14px;background:var(--grad);color:#fff;margin-bottom:16px}
.price{display:inline-block;margin-top:14px;font-weight:800;color:var(--violet)}
.price small{font-weight:500;color:var(--muted)}
.list{list-style:none;padding:0;margin:14px 0 0}
.list li{position:relative;padding-left:28px;margin:8px 0}
.list li:before{content:"";position:absolute;left:0;top:.6em;width:16px;height:16px;border-radius:50%;background:var(--grad)}
.list li:after{content:"";position:absolute;left:5px;top:calc(.6em + 3px);width:4px;height:7px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}

/* hero */
.hero{padding:88px 0 96px}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero p.lead{font-size:1.15rem;color:#c9d0f5;margin:20px 0 32px;max-width:560px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap}
.badges{display:flex;gap:10px 22px;flex-wrap:wrap;margin-top:36px;color:#b5bdea;font-size:.9rem}
.badges span{display:inline-flex;align-items:center;gap:6px}
.badges .ic{width:18px;height:18px;color:#8fa8ff}
.mock{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:20px;padding:22px;backdrop-filter:blur(8px);box-shadow:0 30px 80px -20px rgba(0,0,0,.6)}
.mock .row{display:flex;align-items:center;gap:14px;background:rgba(255,255,255,.07);border-radius:14px;padding:14px 16px;margin-top:12px}
.mock .row:first-child{margin-top:0}
.mock .row b{display:block;color:#fff}
.mock .row span{font-size:.85rem;color:#aab3e6}
.mock .ok{margin-left:auto;color:#6df0b0;font-size:.85rem;font-weight:700;white-space:nowrap}
.mock .icbox{margin:0;width:42px;height:42px;flex:none}
.mock .icbox .ic{width:22px;height:22px}
@media(max-width:860px){.hero .wrap{grid-template-columns:1fr}.hero{padding:56px 0 64px}.sec{padding:56px 0}}

/* page hero (inner) */
.phero{padding:56px 0 60px}
.phero p{color:#c9d0f5;margin-top:14px;max-width:640px}
.crumbs{font-size:.85rem;color:#9aa5df;margin-bottom:14px}
.crumbs a{color:#b9c4ff}

/* steps */
.step{position:relative;padding-top:8px}
.step .n{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--grad);color:#fff;font-weight:800;margin-bottom:12px}

/* service detail */
.svc{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start;padding:48px 0;border-top:1px solid var(--line)}
.svc:first-of-type{border-top:0}
.svc .box{background:var(--soft);border-radius:var(--r);padding:28px}
.svc .box h3{font-size:1rem;color:var(--violet)}
@media(max-width:860px){.svc{grid-template-columns:1fr;gap:20px}}

/* faq */
details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 20px;margin-top:12px}
summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";font-size:1.4rem;line-height:1;color:var(--violet)}
details[open] summary:after{content:"−"}
details p{margin-top:10px;color:var(--muted)}
.faq{max-width:820px;margin:0 auto}

/* blog */
.post-card{display:flex;flex-direction:column;overflow:hidden;padding:0}
.post-card .cover{aspect-ratio:16/8;display:flex;align-items:flex-end;padding:18px;color:#fff;font-weight:700;background:var(--grad)}
.post-card:nth-child(2n) .cover{background:linear-gradient(135deg,#5b3bff,#2a8bff)}
.post-card:nth-child(3n) .cover{background:linear-gradient(135deg,#2a5bff,#a24dff)}
.post-card .body{padding:22px 24px 26px}
.post-card h3 a{color:var(--ink)}
.meta{font-size:.85rem;color:var(--muted)}
.article{max-width:760px;margin:0 auto}
.article h2{font-size:1.5rem;margin:40px 0 12px}
.article p{margin:14px 0;font-size:1.04rem}
.article ul,.article ol{margin:14px 0 14px 1.4em}
.article li{margin:6px 0}
.note{background:var(--soft);border-left:4px solid var(--violet);padding:14px 18px;border-radius:8px;color:var(--muted);font-size:.92rem;margin:28px 0}
.cta-box{background:var(--grad);color:#fff;border-radius:var(--r);padding:32px;margin:48px 0 0;text-align:center}
.cta-box h3{color:#fff;font-size:1.3rem}
.cta-box p{color:#e8ebff;margin:8px 0 20px}
.cta-box .btn{background:#fff;color:var(--blue)}

/* forms */
.form{background:#fff;color:var(--ink);border-radius:20px;padding:28px;box-shadow:0 30px 70px -25px rgba(20,20,80,.5);border:1px solid var(--line)}
.form h3{color:var(--ink);margin-bottom:4px}
.form .sub{color:var(--muted);font-size:.92rem;margin-bottom:16px}
.form label{display:block;font-weight:600;font-size:.92rem;margin-top:14px}
.form label i{color:#e5484d;font-style:normal}
.form input,.form select,.form textarea{width:100%;margin-top:6px;padding:12px 14px;font:inherit;border:1.5px solid var(--line);border-radius:10px;background:#fff;color:var(--ink)}
.form input:focus,.form select:focus,.form textarea:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 3px rgba(59,108,255,.18)}
.form .btn{width:100%;margin-top:20px}
.form .fine{font-size:.78rem;color:var(--muted);margin-top:12px;line-height:1.6}
.hp{position:absolute;left:-9999px;height:0;overflow:hidden}
.form-msg{margin-top:14px;padding:12px 14px;border-radius:10px;font-size:.92rem;display:none}
.form-msg.ok{display:block;background:#e8faf1;color:#0d6b43}
.form-msg.err{display:block;background:#fdecec;color:#a4262c}

/* testimonials */
.quote{position:relative}
.quote:before{content:"“";position:absolute;top:6px;right:22px;font-size:4.5rem;line-height:1;color:#dfe4ff;font-family:Georgia,serif}
.quote p{color:var(--ink);margin:0 0 18px;position:relative}
.who{display:flex;align-items:center;gap:12px}
.av{width:44px;height:44px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:800}
.who b{display:block;line-height:1.3}.who span{font-size:.85rem;color:var(--muted)}
.stars{color:#f5a623;letter-spacing:2px;margin-bottom:8px}

/* landing page */
.lp-hero{padding:56px 0 72px}
.lp-hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:start}
.lp-hero ul.list li{color:#dde2ff}
@media(max-width:860px){.lp-hero .wrap{grid-template-columns:1fr}}
.stat{text-align:center}
.stat b{display:block;font-size:2rem;font-weight:800}

/* footer */
.ftr{background:#070a1c;color:#98a1d4;padding:56px 0 28px;font-size:.92rem}
.ftr h4{color:#fff;margin-bottom:12px}
.ftr a{color:#b8c1f2}
.ftr ul{list-style:none;padding:0}.ftr li{margin:6px 0}
.ftr .bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:36px;padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:.85rem}

/* floating whatsapp */
.wa{position:fixed;right:18px;bottom:18px;z-index:60;width:56px;height:56px;border-radius:50%;background:#25d366;display:grid;place-items:center;color:#fff;box-shadow:0 10px 30px rgba(0,0,0,.35)}
.wa:hover{transform:scale(1.07);text-decoration:none}
.wa .ic{width:28px;height:28px;stroke-width:2}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
.btn,.brand{white-space:nowrap}
@media(max-width:480px){.hdr .brand small{display:none}.hdr .wrap>.btn{padding:10px 16px;font-size:.9rem}}
.tag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;font-size:.8rem;font-weight:700;padding:2px 14px;border-radius:999px;white-space:nowrap}
.price small{white-space:nowrap}