*{margin:0;padding:0;box-sizing:border-box}
:root{
--ink:#161326;
--ink-2:#3a3552;
--muted:#6b6585;
--paper:#fdf9f3;
--paper-2:#fff8ee;
--line:#efe5d6;
--hot:#ff4d2d;
--hot-2:#ff7a3d;
--violet:#7b3ff2;
--violet-2:#a86bff;
--teal:#0fb59a;
--gold:#ffb800;
--shadow:0 18px 46px -22px rgba(64,26,120,.35);
--radius:22px;
}
html{scroll-behavior:smooth}
body{
font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
color:var(--ink);
background:
radial-gradient(1100px 520px at 12% -6%,#ffe6d3 0%,rgba(255,230,211,0) 62%),
radial-gradient(900px 480px at 88% 4%,#ece0ff 0%,rgba(236,224,255,0) 60%),
linear-gradient(180deg,#fdf9f3 0%,#fbf4ec 40%,#f7f0fb 100%);
background-attachment:fixed;
line-height:1.7;
-webkit-font-smoothing:antialiased;
overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 22px}
section{position:relative}
.sec-pad{padding:78px 0}
.eyebrow{
display:inline-flex;align-items:center;gap:8px;
font-size:13px;font-weight:700;letter-spacing:.08em;
color:var(--hot);background:#fff2ea;border:1px solid #ffd9c8;
padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--hot);box-shadow:0 0 0 4px rgba(255,77,45,.16)}
h1,h2,h3{line-height:1.28;letter-spacing:-.01em}
.sec-title{font-size:clamp(24px,3.4vw,36px);font-weight:800;color:var(--ink)}
.sec-desc{margin-top:12px;color:var(--muted);font-size:15.5px;max-width:720px}
.sec-head{margin-bottom:38px}

/* ===== NAV ===== */
.site-header{position:sticky;top:0;z-index:60;background:rgba(253,249,243,.86);backdrop-filter:blur(14px);border-bottom:1px solid rgba(239,229,214,.9)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:70px;flex-wrap:nowrap}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand img{width:auto;max-height:38px}
.brand-name{font-weight:800;font-size:17px;letter-spacing:.02em;color:var(--ink);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:wrap;justify-content:flex-end;list-style:none}
.nav-links a{display:block;padding:8px 12px;font-size:14px;font-weight:600;color:var(--ink-2);border-radius:10px;transition:.22s}
.nav-links a:hover{color:var(--hot);background:#fff1e9}
.nav-cta{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:999px;background:linear-gradient(120deg,var(--hot),var(--hot-2));color:#fff;font-weight:700;font-size:14px;box-shadow:0 12px 26px -12px rgba(255,77,45,.85);transition:.25s;flex-shrink:0}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 18px 32px -14px rgba(255,77,45,.95)}
.burger{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer;position:relative;flex-shrink:0}
.burger span{position:absolute;left:11px;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:.25s}
.burger span:nth-child(1){top:14px}
.burger span:nth-child(2){top:20px}
.burger span:nth-child(3){top:26px}
.burger.open span:nth-child(1){top:20px;transform:rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){top:20px;transform:rotate(-45deg)}

/* ===== HERO ===== */
.hero{padding:64px 0 58px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:start}
.hero h1{font-size:clamp(30px,4.4vw,50px);font-weight:900;letter-spacing:-.02em}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,var(--hot) 0%,var(--violet) 92%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{margin-top:20px;font-size:16.5px;color:var(--ink-2);max-width:560px}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.hero-tags span{font-size:13px;font-weight:600;color:var(--ink-2);background:#fff;border:1px solid var(--line);padding:6px 13px;border-radius:999px;transition:.22s}
.hero-tags span:hover{border-color:var(--hot);color:var(--hot);transform:translateY(-2px)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:14px 30px;border-radius:999px;font-weight:800;font-size:15px;transition:.25s;border:none;cursor:pointer;font-family:inherit}
.btn-main{background:linear-gradient(120deg,var(--hot),var(--hot-2));color:#fff;box-shadow:0 16px 34px -14px rgba(255,77,45,.9)}
.btn-main:hover{transform:translateY(-3px);box-shadow:0 22px 40px -14px rgba(255,77,45,1)}
.btn-ghost{background:#fff;color:var(--ink);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--violet);color:var(--violet);transform:translateY(-3px)}
.hero-side{display:grid;gap:14px}
.hero-stat-card{background:linear-gradient(150deg,#241243,#3d1b6e 60%,#5b2a9c);border-radius:var(--radius);padding:24px;color:#fff;box-shadow:0 26px 50px -26px rgba(61,27,110,.85);position:relative;overflow:hidden}
.hero-stat-card::after{content:"";position:absolute;right:-40px;top:-40px;width:170px;height:170px;border-radius:50%;background:radial-gradient(circle,rgba(255,122,61,.55),transparent 68%)}
.hero-stat-card h3{font-size:15px;font-weight:700;color:#ffd9c7;letter-spacing:.04em;position:relative}
.hero-stat-row{display:flex;justify-content:space-between;align-items:baseline;margin-top:14px;padding-top:14px;border-top:1px solid rgba(255,255,255,.16);position:relative}
.hero-stat-row strong{font-size:24px;font-weight:800}
.hero-stat-row span{font-size:13px;color:#cfc0ee}
.hero-mini{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.hero-mini div{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;transition:.25s}
.hero-mini div:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#ffd9c8}
.hero-mini b{display:block;font-size:19px;font-weight:800;color:var(--hot)}
.hero-mini small{font-size:12.5px;color:var(--muted)}

/* ===== METRICS ===== */
.metric-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:8px}
.metric-item{background:linear-gradient(160deg,#fff,#fffaf3);border:1px solid var(--line);border-radius:18px;padding:22px 20px;transition:.28s}
.metric-item:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#ffd9c8}
.metric-item b{display:block;font-size:clamp(22px,3vw,30px);font-weight:900;background:linear-gradient(110deg,var(--hot),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent}
.metric-item small{display:block;margin-top:6px;color:var(--muted);font-size:13.5px;font-weight:600}

/* ===== CARDS ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.28s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#ffd9c8}
.card h3{font-size:17.5px;font-weight:800;margin-bottom:9px}
.card p{font-size:14.3px;color:var(--muted)}
.card-ico{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;font-size:20px;font-weight:800;color:#fff;margin-bottom:16px}
.ico-hot{background:linear-gradient(135deg,var(--hot),var(--hot-2))}
.ico-vio{background:linear-gradient(135deg,var(--violet),var(--violet-2))}
.ico-teal{background:linear-gradient(135deg,var(--teal),#43d6bd)}
.ico-gold{background:linear-gradient(135deg,#ff9a00,var(--gold))}

/* about */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start}
.about-list{display:grid;gap:14px}
.about-item{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 20px;transition:.26s}
.about-item:hover{transform:translateX(6px);border-color:#d9c6ff;box-shadow:var(--shadow)}
.about-item i{flex-shrink:0;width:34px;height:34px;border-radius:10px;background:#f2e9ff;color:var(--violet);display:grid;place-items:center;font-style:normal;font-weight:800;font-size:14px}
.about-item b{display:block;font-size:15px;font-weight:800;margin-bottom:3px}
.about-item span{font-size:13.6px;color:var(--muted)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.tag-cloud span{font-size:12.8px;font-weight:600;padding:6px 12px;border-radius:8px;background:#fff;border:1px solid var(--line);color:var(--ink-2);transition:.22s}
.tag-cloud span:nth-child(3n+1){background:#fff2ea;border-color:#ffd9c8;color:#c8391c}
.tag-cloud span:nth-child(3n+2){background:#f2e9ff;border-color:#e0cdff;color:#6b2ecc}
.tag-cloud span:hover{transform:translateY(-3px)}

/* showcase */
.show-grid{display:grid;grid-template-columns:1.4fr 1fr .8fr;gap:18px}
.show-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s}
.show-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.show-media{aspect-ratio:16/10;overflow:hidden;background:#f6efff}
.show-media img{width:100%;height:100%;object-fit:cover;transition:.5s}
.show-card:hover .show-media img{transform:scale(1.05)}
.show-body{padding:18px 20px}
.show-body h3{font-size:16px;font-weight:800;margin-bottom:6px}
.show-body p{font-size:13.4px;color:var(--muted)}
.show-card.tall .show-media{aspect-ratio:4/5}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px 20px;position:relative;transition:.28s}
.step:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#ffd9c8}
.step::before{counter-increment:step;content:"0" counter(step);font-size:13px;font-weight:900;letter-spacing:.1em;color:var(--hot);display:block;margin-bottom:10px}
.step h3{font-size:16px;font-weight:800;margin-bottom:7px}
.step p{font-size:13.4px;color:var(--muted)}

/* compare */
.compare-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}
table.compare{width:100%;border-collapse:collapse;min-width:720px;font-size:14px}
table.compare th,table.compare td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line)}
table.compare thead th{background:linear-gradient(120deg,#2a1447,#4a2183);color:#fff;font-size:14.5px;font-weight:800}
table.compare thead th:nth-child(2){background:linear-gradient(120deg,var(--hot),var(--hot-2))}
table.compare tbody tr:hover{background:#fffaf2}
table.compare td:first-child{font-weight:700;color:var(--ink)}
table.compare td:nth-child(2){color:#c8391c;font-weight:700}
table.compare td:nth-child(3){color:var(--muted)}
.score-badge{display:inline-flex;align-items:center;gap:10px;background:#fff4e8;border:1px solid #ffd9b3;border-radius:14px;padding:14px 22px;margin-top:22px;flex-wrap:wrap}
.score-badge b{font-size:30px;font-weight:900;color:var(--hot)}
.score-badge .stars{color:var(--gold);font-size:17px;letter-spacing:2px}
.score-badge span{font-size:13.5px;color:var(--muted);font-weight:600}

/* reviews */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.review{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;transition:.28s;display:flex;flex-direction:column;gap:12px}
.review:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#e0cdff}
.review p{font-size:14px;color:var(--ink-2);flex:1}
.review-foot{display:flex;align-items:center;gap:11px;border-top:1px dashed var(--line);padding-top:13px}
.avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--violet),var(--hot));color:#fff;display:grid;place-items:center;font-weight:800;font-size:15px;flex-shrink:0}
.review-foot b{display:block;font-size:14px;font-weight:800}
.review-foot small{font-size:12.3px;color:var(--muted)}

/* faq */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:.25s}
.faq-item.open{border-color:#ffd0b8;box-shadow:0 14px 32px -20px rgba(255,77,45,.55)}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:14px;padding:18px 22px;background:none;border:none;font-family:inherit;font-size:15px;font-weight:700;color:var(--ink);text-align:left;cursor:pointer;transition:.22s}
.faq-q:hover{color:var(--hot)}
.faq-q i{flex-shrink:0;width:26px;height:26px;border-radius:50%;background:#fff2ea;color:var(--hot);display:grid;place-items:center;font-style:normal;font-weight:800;transition:.3s;font-size:16px}
.faq-item.open .faq-q i{transform:rotate(45deg);background:var(--hot);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease}
.faq-a p{padding:0 22px 18px;font-size:14.2px;color:var(--muted)}

/* articles */
.art-list{display:grid;gap:12px}
.art-item{display:flex;align-items:center;justify-content:space-between;gap:16px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 20px;transition:.25s}
.art-item:hover{transform:translateX(6px);border-color:#d9c6ff;box-shadow:var(--shadow)}
.art-item span{font-size:14.4px;font-weight:700;color:var(--ink)}
.art-item small{font-size:12.6px;color:var(--muted);white-space:nowrap}
.art-item em{font-style:normal;color:var(--violet);font-weight:800;font-size:14px}

/* form */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:13.5px;font-weight:700;color:var(--ink-2)}
.field input,.field select,.field textarea{
width:100%;padding:12px 15px;border-radius:12px;border:1.5px solid var(--line);
font-family:inherit;font-size:14px;color:var(--ink);background:#fffdf9;transition:.22s;outline:none;
}
.field textarea{min-height:112px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--violet);box-shadow:0 0 0 4px rgba(123,63,242,.11);background:#fff}
.form-side{background:linear-gradient(160deg,#241243,#43208a 62%,#6a35b8);border-radius:var(--radius);padding:30px;color:#fff;display:flex;flex-direction:column;gap:16px}
.form-side h3{font-size:19px;font-weight:800}
.form-side p{font-size:14px;color:#d6c8f2}
.form-side .qr{background:#fff;border-radius:14px;padding:10px;width:150px;align-self:flex-start}
.form-side .qr img{width:100%;border-radius:8px}
.contact-line{display:flex;gap:10px;font-size:13.8px;color:#e3d8f7;align-items:flex-start}
.contact-line b{color:#fff;font-weight:700}

/* network */
.net-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.net-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;transition:.26s}
.net-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#ffd9c8}
.net-item b{display:block;font-size:15.5px;font-weight:800;margin-bottom:5px}
.net-item span{font-size:13.4px;color:var(--muted)}

/* cta band */
.cta-band{background:linear-gradient(115deg,#241243 0%,#4a2183 55%,#ff4d2d 130%);border-radius:26px;padding:48px 40px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-60px;bottom:-80px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(255,184,0,.5),transparent 70%)}
.cta-band h2{font-size:clamp(21px,3vw,30px);font-weight:900;position:relative}
.cta-band p{font-size:14.5px;color:#d9cdf3;margin-top:8px;position:relative;max-width:560px}
.cta-band .btn{position:relative;background:#fff;color:#241243}
.cta-band .btn:hover{transform:translateY(-3px);box-shadow:0 18px 34px -16px rgba(0,0,0,.55)}

/* footer */
.site-footer{background:#171122;color:#cfc6e2;padding:52px 0 0;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.35fr 1fr 1fr 1.1fr;gap:34px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.1)}
.site-footer h4{font-size:15px;font-weight:800;color:#fff;margin-bottom:15px}
.site-footer p{font-size:13.6px;color:#b8aed1;line-height:1.85}
.footer-links{display:grid;gap:9px;list-style:none}
.footer-links a{font-size:13.5px;color:#c3b9db;transition:.22s}
.footer-links a:hover{color:#ff8f6b;transform:translateX(3px);display:inline-block}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand img{max-height:34px;width:auto}
.footer-bottom{padding:20px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12.8px;color:#9a90b6}
.footer-bottom a{color:#c3b9db}
.footer-bottom a:hover{color:#ff8f6b}
.friend-links{display:flex;flex-wrap:wrap;gap:8px 16px;padding:18px 0;border-top:1px solid rgba(255,255,255,.08)}
.friend-links a{font-size:12.9px;color:#b8aed1;transition:.22s}
.friend-links a:hover{color:#ff8f6b}

/* float */
.float-box{position:fixed;right:20px;bottom:26px;z-index:80;display:flex;flex-direction:column;gap:10px}
.float-btn{width:52px;height:52px;border-radius:50%;border:none;cursor:pointer;display:grid;place-items:center;font-size:13px;font-weight:800;color:#fff;box-shadow:0 14px 30px -12px rgba(0,0,0,.45);transition:.25s;font-family:inherit}
.float-btn:hover{transform:translateY(-4px) scale(1.05)}
.fb-kf{background:linear-gradient(135deg,var(--teal),#37d6b6)}
.fb-top{background:linear-gradient(135deg,var(--violet),var(--violet-2));opacity:0;pointer-events:none}
.fb-top.show{opacity:1;pointer-events:auto}
.kf-panel{position:fixed;right:84px;bottom:26px;width:220px;background:#fff;border-radius:18px;padding:14px;box-shadow:0 26px 50px -20px rgba(0,0,0,.35);border:1px solid var(--line);z-index:81;display:none}
.kf-panel.show{display:block;animation:pop .26s ease}
.kf-panel img{border-radius:10px;margin-bottom:8px}
.kf-panel p{font-size:12.6px;color:var(--muted);text-align:center}
@keyframes pop{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

/* reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:translateY(0)}

/* responsive */
@media(max-width:1024px){
.hero-grid{grid-template-columns:1fr;gap:32px}
.about-grid{grid-template-columns:1fr;gap:28px}
.show-grid{grid-template-columns:1fr 1fr}
.show-card.tall{grid-column:1/-1}
.show-card.tall .show-media{aspect-ratio:16/9}
.steps{grid-template-columns:repeat(2,1fr)}
.review-grid{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(2,1fr)}
.metric-strip{grid-template-columns:repeat(2,1fr)}
.footer-top{grid-template-columns:1fr 1fr;gap:28px}
.form-grid{grid-template-columns:1fr}
.field.full{grid-column:auto}
}
@media(max-width:820px){
.nav-links{
position:absolute;top:70px;left:0;right:0;
background:#fffdf9;border-bottom:1px solid var(--line);
flex-direction:column;align-items:stretch;gap:0;
padding:8px 18px 18px;display:none;box-shadow:0 24px 40px -26px rgba(0,0,0,.35);
}
.nav-links.open{display:flex}
.nav-links a{padding:12px 6px;border-radius:0;border-bottom:1px solid #f6efe4}
.burger{display:block}
.nav-cta{display:none}
}
@media(max-width:720px){
.sec-pad{padding:56px 0}
.hero{padding:44px 0 40px}
.grid-3,.grid-2,.review-grid,.net-grid{grid-template-columns:1fr}
.show-grid{grid-template-columns:1fr}
.steps{grid-template-columns:1fr}
.metric-strip{grid-template-columns:1fr 1fr}
.footer-top{grid-template-columns:1fr;gap:26px}
.cta-band{padding:34px 24px}
.hero-mini{grid-template-columns:1fr}
.faq-q{font-size:14.2px;padding:16px 18px}
.faq-a p{padding:0 18px 16px}
.float-box{right:14px;bottom:18px}
.kf-panel{right:78px;bottom:18px;width:196px}
}