:root{
--c1:#ff5fa2;--c2:#ffb020;--c3:#22c1c3;--c4:#7c5cff;--c5:#4fd1c5;
--ink:#22212b;--ink2:#5b5a6e;--bg:#fffaf6;--card:#ffffff;--line:#f0e6ee;
--r:18px;--sh:0 8px 28px rgba(124,92,255,.10);--sh2:0 12px 36px rgba(255,95,162,.18);
--grad:linear-gradient(120deg,#ff5fa2,#ffb020 50%,#22c1c3);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
section{padding:76px 0;position:relative}
h1,h2,h3,h4{line-height:1.3;font-weight:800;letter-spacing:-.3px}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--c1);background:rgba(255,95,162,.1);padding:6px 14px;border-radius:100px;margin-bottom:16px}
.sec-title{font-size:clamp(24px,3.4vw,38px);margin-bottom:14px}
.sec-desc{color:var(--ink2);max-width:760px;font-size:16px}
.center{text-align:center}
.center .sec-desc{margin:0 auto}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 30px;border-radius:100px;font-weight:700;font-size:15px;cursor:pointer;border:none;transition:.25s;position:relative}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(255,95,162,.35)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(255,95,162,.45)}
.btn-ghost{background:#fff;color:var(--c4);border:2px solid rgba(124,92,255,.25)}
.btn-ghost:hover{transform:translateY(-3px);border-color:var(--c4);box-shadow:var(--sh)}
.btn:active{transform:translateY(0) scale(.98)}
/* nav */
header{position:sticky;top:0;z-index:100;background:rgba(255,250,246,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:20px}
.brand .ai-page-logo{height:36px;width:auto;max-width:130px;object-fit:contain}
.nav-links{display:flex;align-items:center;gap:0;list-style:none}
.nav-links a{padding:8px 12px;font-size:14.5px;font-weight:600;color:var(--ink2);border-radius:8px;transition:.2s;white-space:nowrap}
.nav-links a:hover{color:var(--c1);background:rgba(255,95,162,.08)}
.nav-cta{display:flex;align-items:center;gap:10px}
.nav-cta .btn{padding:9px 20px;font-size:14px}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.burger span{width:24px;height:2.5px;background:var(--ink);border-radius:2px;transition:.3s}
/* hero */
.hero{padding:90px 0 70px;overflow:hidden;background:
radial-gradient(circle at 12% 20%,rgba(255,176,32,.16),transparent 40%),
radial-gradient(circle at 88% 15%,rgba(34,193,195,.16),transparent 42%),
radial-gradient(circle at 70% 90%,rgba(255,95,162,.13),transparent 45%),
linear-gradient(180deg,#fffaf6,#fff6fb)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:center}
.hero h1{font-size:clamp(30px,4.6vw,52px);margin-bottom:20px}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:17px;color:var(--ink2);margin-bottom:26px;max-width:560px}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px}
.chip{font-size:13px;font-weight:600;padding:7px 14px;border-radius:100px;background:#fff;border:1px solid var(--line);box-shadow:0 3px 10px rgba(124,92,255,.06);color:var(--ink2)}
.chip b{color:var(--c1)}
.hero-visual{position:relative;height:380px}
.blob{position:absolute;border-radius:36px;box-shadow:var(--sh)}
.b1{inset:20px 40px auto 40px;height:150px;background:linear-gradient(135deg,#ff5fa2,#ffb020);animation:float 6s ease-in-out infinite}
.b2{top:130px;left:0;width:150px;height:120px;background:linear-gradient(135deg,#7c5cff,#22c1c3);animation:float 7s ease-in-out infinite .6s}
.b3{top:150px;right:0;width:160px;height:160px;background:linear-gradient(135deg,#22c1c3,#4fd1c5);animation:float 8s ease-in-out infinite .3s}
.b4{top:100px;left:120px;width:170px;height:170px;background:linear-gradient(135deg,#ffb020,#ff5fa2);border-radius:50%;animation:float 6.5s ease-in-out infinite 1s}
.mini-stat{position:absolute;background:#fff;padding:14px 18px;border-radius:14px;box-shadow:var(--sh2);font-weight:700;font-size:14px;animation:float 5s ease-in-out infinite}
.ms1{top:8px;right:8px;animation-delay:.4s}
.ms2{bottom:6px;left:20px;animation-delay:1.2s}
.ms3{bottom:26px;right:16px;animation-delay:.8s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
/* stats */
.stats{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{text-align:center;padding:26px 14px;border-radius:var(--r);transition:.3s}
.stat:hover{background:var(--bg);transform:translateY(-4px)}
.stat b{display:block;font-size:clamp(28px,3.6vw,42px);background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{color:var(--ink2);font-size:14.5px;font-weight:600}
/* cards */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:var(--card);border-radius:var(--r);padding:28px;border:1px solid var(--line);box-shadow:0 4px 16px rgba(124,92,255,.05);transition:.3s}
.card:hover{transform:translateY(-6px);box-shadow:var(--sh2);border-color:rgba(255,95,162,.25)}
.card .ic{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:16px;background:linear-gradient(135deg,rgba(255,95,162,.14),rgba(34,193,195,.14))}
.card h3{font-size:19px;margin-bottom:10px}
.card p{color:var(--ink2);font-size:14.5px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{font-size:12.5px;font-weight:600;color:var(--c4);background:rgba(124,92,255,.08);padding:4px 10px;border-radius:8px}
/* service list */
.flower{background:linear-gradient(180deg,#fffaf6,#fdf3f9)}
/* steps */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;position:relative}
.step{text-align:center;padding:22px 14px;background:#fff;border-radius:var(--r);border:1px solid var(--line);transition:.3s}
.step:hover{transform:translateY(-5px);box-shadow:var(--sh)}
.step .num{width:44px;height:44px;margin:0 auto 12px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;background:var(--grad);font-size:17px}
.step h4{font-size:16px;margin-bottom:8px}
.step p{font-size:13.5px;color:var(--ink2)}
/* table */
.table-wrap{overflow-x:auto;border-radius:var(--r);border:1px solid var(--line);background:#fff;box-shadow:var(--sh)}
table{width:100%;border-collapse:collapse;min-width:640px}
th,td{padding:15px 18px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line)}
thead th{background:linear-gradient(120deg,#fff0f7,#fff6ea);font-weight:800;color:var(--ink);font-size:14px}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:#fffaf6}
td.yes{color:#12a37a;font-weight:700}
td.no{color:#c55;font-weight:600}
.rate-box{display:flex;align-items:center;gap:26px;flex-wrap:wrap;background:#fff;border-radius:var(--r);padding:26px 30px;border:1px solid var(--line);box-shadow:var(--sh);margin-bottom:26px}
.big-score{font-size:52px;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.stars{color:#ffb020;font-size:22px;letter-spacing:3px}
/* faq */
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:14px;overflow:hidden;transition:.25s}
.faq-item:hover{box-shadow:var(--sh)}
.faq-q{width:100%;text-align:left;background:none;border:none;padding:20px 24px;font-size:16px;font-weight:700;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;color:var(--ink);font-family:inherit}
.faq-q .plus{font-size:22px;color:var(--c1);transition:.3s;flex-shrink:0}
.faq-item.open .faq-q .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;color:var(--ink2);font-size:14.5px}
.faq-a p{padding:0 24px 20px}
/* reviews */
.review{background:#fff;border-radius:var(--r);padding:26px;border:1px solid var(--line);transition:.3s}
.review:hover{transform:translateY(-5px);box-shadow:var(--sh2)}
.review .quote{font-size:15px;color:var(--ink2);margin-bottom:18px;min-height:100px}
.review .user{display:flex;align-items:center;gap:12px}
.avatar{width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;font-size:18px;flex-shrink:0}
.review .user b{display:block;font-size:15px}
.review .user span{font-size:13px;color:var(--ink2)}
.rstars{color:#ffb020;font-size:13px;margin-bottom:10px;letter-spacing:1px}
/* gallery */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.g-item{border-radius:var(--r);overflow:hidden;position:relative;background:#fff;border:1px solid var(--line);transition:.3s}
.g-item:hover{transform:translateY(-5px);box-shadow:var(--sh2)}
.g-item img{width:100%;height:230px;object-fit:cover;transition:.5s}
.g-item:hover img{transform:scale(1.05)}
.g-item span{position:absolute;left:0;bottom:0;right:0;padding:30px 18px 14px;background:linear-gradient(transparent,rgba(0,0,0,.6));color:#fff;font-weight:700;font-size:15px}
.banner-imgs{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:26px}
.banner-imgs img{border-radius:var(--r);box-shadow:var(--sh);width:100%}
/* articles / timeline */
.timeline{position:relative;padding-left:30px;border-left:2px dashed rgba(124,92,255,.3)}
.tl-item{position:relative;margin-bottom:26px}
.tl-item::before{content:"";position:absolute;left:-38px;top:4px;width:15px;height:15px;border-radius:50%;background:var(--grad);box-shadow:0 0 0 4px rgba(255,95,162,.15)}
.tl-item h4{font-size:16px;margin-bottom:4px}
.tl-item p{font-size:14px;color:var(--ink2)}
.articles{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.art{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;transition:.3s}
.art:hover{transform:translateY(-4px);box-shadow:var(--sh);border-color:rgba(255,95,162,.25)}
.art .date{flex-shrink:0;width:54px;height:54px;border-radius:12px;background:linear-gradient(135deg,rgba(255,95,162,.12),rgba(34,193,195,.12));display:flex;flex-direction:column;align-items:center;justify-content:center;font-weight:800;color:var(--c1)}
.art .date span{font-size:11px;color:var(--ink2);font-weight:600}
.art h4{font-size:15.5px;margin-bottom:6px}
.art p{font-size:13px;color:var(--ink2)}
/* network */
.network{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.net{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 10px;text-align:center;font-size:14px;font-weight:600;color:var(--ink2);transition:.3s}
.net:hover{color:var(--c1);border-color:rgba(255,95,162,.3);transform:translateY(-4px);box-shadow:var(--sh)}
/* form */
.form-wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:start}
form{background:#fff;border-radius:var(--r);padding:34px;border:1px solid var(--line);box-shadow:var(--sh2)}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:8px}
.field input,.field select,.field textarea{width:100%;padding:13px 16px;border:1.5px solid var(--line);border-radius:12px;font-family:inherit;font-size:14.5px;background:#fffaf6;transition:.2s;color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--c1);background:#fff;box-shadow:0 0 0 4px rgba(255,95,162,.1)}
.field textarea{resize:vertical;min-height:110px}
form .btn-primary{width:100%;justify-content:center}
.contact-info .ci{display:flex;gap:14px;margin-bottom:20px;align-items:flex-start}
.contact-info .ci .ic{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,rgba(255,95,162,.14),rgba(34,193,195,.14));display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.contact-info .ci b{font-size:14px;display:block;margin-bottom:2px}
.contact-info .ci span,.contact-info .ci a{font-size:14px;color:var(--ink2);word-break:break-all}
.contact-info .ci a:hover{color:var(--c1)}
.qr-box{margin-top:20px;text-align:center;display:inline-block;padding:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh)}
.qr-box img{width:150px;height:150px;object-fit:cover;border-radius:10px;margin:0 auto 8px}
.qr-box span{font-size:13px;color:var(--ink2);font-weight:600}
/* tags cloud */
.cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.cloud a{font-size:14px;font-weight:600;padding:8px 16px;border-radius:100px;background:#fff;border:1px solid var(--line);color:var(--ink2);transition:.25s}
.cloud a:nth-child(3n){color:var(--c1)}.cloud a:nth-child(3n+1){color:var(--c3)}.cloud a:nth-child(3n+2){color:var(--c4)}
.cloud a:hover{transform:translateY(-3px) scale(1.04);box-shadow:var(--sh);color:var(--c1);border-color:rgba(255,95,162,.3)}
/* footer */
footer{background:linear-gradient(160deg,#231f38,#2d2440 60%,#3a2350);color:#cfc9e0;padding:64px 0 28px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;margin-bottom:40px}
footer h4{color:#fff;font-size:16px;margin-bottom:18px}
footer p,footer a{font-size:13.5px;color:#b6afc9;line-height:2}
footer a:hover{color:var(--c2)}
.foot-links{display:flex;flex-direction:column;gap:2px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;font-size:20px;font-weight:900;color:#fff}
.foot-brand .ai-page-logo{height:34px;width:auto;filter:brightness(0) invert(1);max-width:120px;object-fit:contain}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:22px;text-align:center;font-size:13px;color:#8f87a8}
.friend-links{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:6px}
/* floating */
.float-cs{position:fixed;right:22px;bottom:22px;z-index:200;display:flex;flex-direction:column;gap:12px}
.float-btn{width:54px;height:54px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;box-shadow:0 10px 24px rgba(255,95,162,.4);cursor:pointer;transition:.3s;border:none}
.float-btn:hover{transform:translateY(-4px) scale(1.06)}
.to-top{width:54px;height:54px;border-radius:50%;background:#fff;color:var(--c4);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:22px;cursor:pointer;box-shadow:var(--sh);transition:.3s;opacity:0;pointer-events:none}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{transform:translateY(-4px)}
.panel-tip{position:fixed;right:86px;bottom:22px;z-index:200;background:#fff;border-radius:14px;padding:16px;box-shadow:var(--sh2);display:none;text-align:center;border:1px solid var(--line)}
.panel-tip img{width:140px;height:140px;object-fit:cover;border-radius:8px;margin:0 auto 6px}
.panel-tip span{font-size:13px;font-weight:700;color:var(--ink)}
.panel-tip.show{display:block}
/* reveal */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
/* responsive */
@media(max-width:1024px){
.hero-grid{grid-template-columns:1fr;gap:30px}
.hero-visual{height:300px;order:-1}
.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
.steps{grid-template-columns:repeat(3,1fr)}
.network{grid-template-columns:repeat(4,1fr)}
.foot-grid{grid-template-columns:1fr 1fr}
.form-wrap{grid-template-columns:1fr}
.gallery{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:860px){
.nav-links{position:fixed;top:70px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:12px 20px;gap:0;box-shadow:var(--sh2);transform:translateY(-140%);transition:.35s;max-height:calc(100vh - 70px);overflow-y:auto;border-bottom:1px solid var(--line)}
.nav-links.open{transform:translateY(0)}
.nav-links a{padding:13px 8px;border-radius:0;border-bottom:1px solid var(--line)}
.burger{display:flex}
.nav-cta .btn-ghost{display:none}
}
@media(max-width:640px){
section{padding:52px 0}
.hero{padding:60px 0 46px}
.grid-3,.grid-4,.grid-2{grid-template-columns:1fr}
.stats-grid{grid-template-columns:repeat(2,1fr)}
.steps{grid-template-columns:repeat(2,1fr)}
.network{grid-template-columns:repeat(2,1fr)}
.gallery,.articles,.banner-imgs{grid-template-columns:1fr}
.foot-grid{grid-template-columns:1fr}
.hero-btns .btn{width:100%;justify-content:center}
.review .quote{min-height:auto}
.hero-visual{height:240px}
.b1{height:100px}.b4{width:130px;height:130px;left:80px}
.mini-stat{font-size:12px;padding:10px 12px}
.form-wrap form{padding:24px}
}
@media(max-width:400px){.network{grid-template-columns:1fr 1fr}}