*{margin:0;padding:0;box-sizing:border-box}
:root{
  --primary:#7c3aed;
  --primary-light:#a78bfa;
  --primary-soft:#ede9fe;
  --primary-deep:#5b21b6;
  --accent:#f472b6;
  --ink:#1e1b2e;
  --ink-soft:#4b4660;
  --ink-mute:#7a7590;
  --bg:#faf8ff;
  --line:#e9e2f7;
  --card:#ffffff;
  --radius:16px;
  --shadow-sm:0 2px 10px rgba(124,58,237,.07);
  --shadow-md:0 10px 30px rgba(124,58,237,.12);
  --shadow-lg:0 20px 50px rgba(91,33,182,.18);
}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--ink);
  background:
    radial-gradient(1200px 600px at 85% -120px, rgba(167,139,250,.22), transparent 60%),
    radial-gradient(900px 500px at 0% 10%, rgba(244,114,182,.10), transparent 55%),
    linear-gradient(180deg,#faf8ff 0%,#f6f1ff 45%,#faf8ff 100%);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
section{padding:76px 0}
h1,h2,h3,h4{line-height:1.3;font-weight:700;letter-spacing:.2px}
h2{font-size:clamp(24px,3.4vw,36px)}
h3{font-size:clamp(17px,2vw,20px)}
p{color:var(--ink-soft)}
.sec-head{max-width:760px;margin:0 auto 44px;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:2px;color:var(--primary-deep);background:var(--primary-soft);padding:6px 16px;border-radius:999px;margin-bottom:16px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary)}
.sec-head h2{margin-bottom:14px;color:var(--ink)}
.sec-head p{font-size:15.5px;color:var(--ink-mute)}

/* ===== Navbar ===== */
.site-header{position:sticky;top:0;z-index:100;backdrop-filter:blur(14px);background:rgba(250,248,255,.82);border-bottom:1px solid rgba(233,226,247,.9)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--ink)}
.brand img{height:34px;width:auto}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:wrap}
.nav-links a{padding:8px 11px;font-size:14.5px;font-weight:500;color:var(--ink-soft);border-radius:8px;transition:.25s;position:relative}
.nav-links a:hover{color:var(--primary);background:var(--primary-soft)}
.nav-actions{display:flex;align-items:center;gap:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;padding:11px 24px;border-radius:999px;border:1px solid transparent;cursor:pointer;transition:transform .25s,box-shadow .25s,background .25s,color .25s;white-space:nowrap;font-family:inherit}
.btn-primary{background:linear-gradient(135deg,#8b5cf6,#6d28d9);color:#fff;box-shadow:0 8px 22px rgba(124,58,237,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(124,58,237,.42)}
.btn-ghost{background:#fff;color:var(--primary-deep);border-color:var(--line);box-shadow:var(--shadow-sm)}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--primary-light);color:var(--primary)}
.btn-sm{padding:8px 18px;font-size:14px}
.menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:10px;width:42px;height:42px;align-items:center;justify-content:center;cursor:pointer;flex-direction:column;gap:4px;padding:0}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.3s}
.menu-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-toggle.open span:nth-child(2){opacity:0}
.menu-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ===== Hero ===== */
.hero{position:relative;padding:90px 0 80px;overflow:hidden}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;filter:blur(70px);z-index:0;pointer-events:none}
.hero::before{width:460px;height:460px;background:rgba(167,139,250,.36);top:-160px;right:-100px;animation:float 12s ease-in-out infinite}
.hero::after{width:380px;height:380px;background:rgba(244,114,182,.24);bottom:-180px;left:-120px;animation:float 14s ease-in-out infinite reverse}
@keyframes float{0%,100%{transform:translate(0,0)}50%{transform:translate(-24px,26px)}}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(28px,4.4vw,48px);letter-spacing:-1px;margin:18px 0 18px;color:var(--ink)}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,#7c3aed,#d946ef);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:#7c3aed}
.hero-sub{font-size:16.5px;color:var(--ink-soft);max-width:560px;margin-bottom:30px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.hero-tags span{font-size:13px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.85);border:1px solid var(--line);color:var(--ink-soft);box-shadow:var(--shadow-sm);animation:rise .7s ease both}
.hero-tags span:nth-child(2){animation-delay:.08s}
.hero-tags span:nth-child(3){animation-delay:.16s}
.hero-tags span:nth-child(4){animation-delay:.24s}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.hero-panel{position:relative;background:linear-gradient(160deg,rgba(255,255,255,.95),rgba(237,233,254,.9));border:1px solid rgba(167,139,250,.35);border-radius:24px;padding:26px;box-shadow:var(--shadow-lg);animation:rise .9s ease both}
.panel-title{font-size:14px;font-weight:700;color:var(--primary-deep);letter-spacing:1px;margin-bottom:18px;display:flex;align-items:center;gap:8px}
.panel-title::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px rgba(124,58,237,.15)}
.panel-stat{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px}
.stat-box{background:#fff;border-radius:14px;padding:15px;border:1px solid var(--line);transition:.3s}
.stat-box:hover{transform:translateY(-3px);border-color:var(--primary-light);box-shadow:var(--shadow-md)}
.stat-num{font-size:22px;font-weight:800;color:var(--primary-deep);line-height:1.2}
.stat-label{font-size:12.5px;color:var(--ink-mute);margin-top:4px}
.panel-note{font-size:13px;color:var(--ink-soft);background:rgba(255,255,255,.75);border-radius:12px;padding:12px 14px;border:1px dashed rgba(124,58,237,.3);line-height:1.6}

/* ===== Ripple dots strip ===== */
.marquee{background:linear-gradient(90deg,rgba(124,58,237,.08),rgba(244,114,182,.08));border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:16px 0;overflow:hidden;position:relative;z-index:2}
.marquee-track{display:flex;gap:40px;white-space:nowrap;animation:scroll 30s linear infinite;width:max-content}
.marquee-track span{font-size:14px;font-weight:600;color:var(--primary-deep);opacity:.8;display:inline-flex;align-items:center;gap:10px}
.marquee-track span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
@keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ===== Cards grid ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;align-items:stretch}
.service-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;transition:transform .3s,box-shadow .3s,border-color .3s;position:relative;overflow:hidden}
.service-card::after{content:"";position:absolute;inset:0;background:linear-gradient(140deg,rgba(167,139,250,.08),transparent 55%);opacity:0;transition:opacity .3s}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--primary-light)}
.service-card:hover::after{opacity:1}
.service-icon{width:50px;height:50px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:linear-gradient(140deg,#ede9fe,#fce7f3);color:var(--primary-deep);font-weight:800;font-size:20px;margin-bottom:18px;position:relative;z-index:1}
.service-card h3{position:relative;z-index:1;margin-bottom:10px}
.service-card p{position:relative;z-index:1;font-size:14.5px;color:var(--ink-soft)}

/* ===== Platform intro ===== */
.intro-wrap{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.intro-list{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:24px}
.intro-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;display:flex;gap:10px;align-items:flex-start;transition:.3s}
.intro-item:hover{border-color:var(--primary-light);box-shadow:var(--shadow-sm);transform:translateY(-2px)}
.intro-item strong{display:block;font-size:14.5px;color:var(--ink);margin-bottom:2px}
.intro-item span{font-size:12.5px;color:var(--ink-mute)}
.dot-ico{width:22px;height:22px;flex:0 0 22px;border-radius:50%;background:linear-gradient(140deg,#a78bfa,#ec4899);display:flex;align-items:center;justify-content:center;color:#fff;font-size:12px;font-weight:700;margin-top:2px}
.intro-visual{position:relative;background:linear-gradient(160deg,#f5f0ff,#fff);border:1px solid var(--line);border-radius:24px;padding:30px;box-shadow:var(--shadow-md)}
.ring{width:100%;aspect-ratio:1/1;max-width:320px;margin:0 auto;border-radius:50%;display:flex;align-items:center;justify-content:center;background:conic-gradient(from 0deg,#8b5cf6,#ec4899,#8b5cf6);animation:spin 16s linear infinite;position:relative}
.ring::after{content:"";position:absolute;inset:14px;border-radius:50%;background:linear-gradient(160deg,#faf8ff,#ede9fe)}
@keyframes spin{to{transform:rotate(360deg)}}
.ring-core{position:relative;z-index:2;text-align:center}
.ring-core strong{display:block;font-size:26px;color:var(--primary-deep);font-weight:800}
.ring-core span{font-size:13px;color:var(--ink-mute)}

/* ===== Flow ===== */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.flow-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;position:relative;transition:.3s}
.flow-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:var(--primary-light)}
.flow-item::before{counter-increment:step;content:"0" counter(step);position:absolute;top:16px;right:20px;font-size:34px;font-weight:800;color:rgba(124,58,237,.1);line-height:1}
.flow-item h3{margin-bottom:10px;font-size:17px}
.flow-item p{font-size:14px;color:var(--ink-soft)}

/* ===== Timeline / network ===== */
.net-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.net-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px;text-align:center;transition:.3s}
.net-item:hover{transform:translateY(-3px);border-color:var(--primary-light);box-shadow:var(--shadow-sm)}
.net-item strong{display:block;font-size:15px;color:var(--ink);margin-bottom:4px}
.net-item span{font-size:12.5px;color:var(--ink-mute)}

/* ===== Table ===== */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm)}
table{width:100%;border-collapse:collapse;min-width:680px}
th,td{padding:15px 20px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line)}
th{background:linear-gradient(140deg,#f5f0ff,#fdf2f8);color:var(--primary-deep);font-weight:700;font-size:14px;white-space:nowrap}
td{color:var(--ink-soft)}
tr:last-child td{border-bottom:none}
tr:hover td{background:#faf8ff}
.badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12.5px;font-weight:600;background:var(--primary-soft);color:var(--primary-deep)}
.badge-good{background:#ecfdf5;color:#047857}
.badge-mid{background:#fef3c7;color:#92400e}

/* ===== Review ===== */
.review-top{display:flex;gap:16px;align-items:center;justify-content:center;margin-bottom:28px;flex-wrap:wrap}
.score-block{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 28px;text-align:center;box-shadow:var(--shadow-sm)}
.score-num{font-size:40px;font-weight:800;background:linear-gradient(120deg,#7c3aed,#db2777);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:#7c3aed;line-height:1.1}
.score-label{font-size:13px;color:var(--ink-mute)}
.stars{color:#f59e0b;font-size:18px;letter-spacing:2px}
.compare-note{text-align:center;font-size:14px;color:var(--ink-mute);margin-top:18px}

/* ===== Reviews ===== */
.review-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:.3s;display:flex;flex-direction:column}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--primary-light)}
.review-text{font-size:14.5px;color:var(--ink-soft);flex:1;margin-bottom:16px}
.review-user{display:flex;align-items:center;gap:12px}
.avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(140deg,#a78bfa,#ec4899);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:15px}
.review-user strong{display:block;font-size:14.5px;color:var(--ink)}
.review-user span{font-size:12.5px;color:var(--ink-mute)}

/* ===== Case ===== */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.case-card{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:#fff;transition:.3s;display:flex;flex-direction:column}
.case-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}
.case-img{background:#f5f0ff;position:relative;overflow:hidden}
.case-img img{width:100%;height:auto;transition:transform .5s}
.case-card:hover .case-img img{transform:scale(1.04)}
.case-body{padding:20px 22px}
.case-body h3{font-size:17px;margin-bottom:8px}
.case-body p{font-size:14px;color:var(--ink-soft)}

/* ===== Articles ===== */
.article-list{display:grid;gap:14px}
.article-item{display:flex;align-items:center;gap:16px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 20px;transition:.3s}
.article-item:hover{border-color:var(--primary-light);box-shadow:var(--shadow-sm);transform:translateX(4px)}
.article-item .idx{font-size:15px;font-weight:800;color:var(--primary-light);min-width:26px}
.article-item a{font-size:14.5px;color:var(--ink-soft);font-weight:500;transition:.2s}
.article-item:hover a{color:var(--primary)}

/* ===== Form ===== */
.form-wrap{background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px;box-shadow:var(--shadow-md)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:13.5px;font-weight:600;color:var(--ink)}
.field input,.field select,.field textarea{width:100%;font-family:inherit;font-size:14.5px;padding:12px 15px;border-radius:10px;border:1px solid var(--line);background:#faf8ff;color:var(--ink);transition:.25s;outline:none}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary-light);background:#fff;box-shadow:0 0 0 3px rgba(167,139,250,.2)}
.field textarea{resize:vertical;min-height:110px}
.form-submit{margin-top:22px;text-align:center}

/* ===== FAQ ===== */
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:.3s}
.faq-item.open{border-color:var(--primary-light);box-shadow:var(--shadow-sm)}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 22px;background:none;border:none;font-family:inherit;font-size:15px;font-weight:600;color:var(--ink);cursor:pointer;text-align:left}
.faq-q .plus{width:24px;height:24px;flex:0 0 24px;border-radius:50%;background:var(--primary-soft);color:var(--primary-deep);display:flex;align-items:center;justify-content:center;font-size:16px;transition:.3s;font-weight:700}
.faq-item.open .plus{transform:rotate(45deg);background:var(--primary);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 22px 20px;font-size:14.5px;color:var(--ink-soft)}

/* ===== Contact / links ===== */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:stretch}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column}
.contact-card h3{font-size:17px;margin-bottom:14px;color:var(--ink)}
.contact-row{display:flex;gap:12px;align-items:center;padding:10px 0;border-bottom:1px dashed var(--line);font-size:14.5px}
.contact-row:last-child{border-bottom:none}
.contact-row b{color:var(--ink);min-width:74px;font-weight:600;flex:0 0 auto}
.contact-row a,.contact-row span{color:var(--ink-soft)}
.contact-row a:hover{color:var(--primary)}
.qr-box{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--shadow-sm)}
.qr-box img{width:min(180px,100%);height:auto;border-radius:10px}
.qr-box p{font-size:13px;color:var(--ink-mute);text-align:center}

/* ===== Link cloud ===== */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.tag-cloud a{font-size:13.5px;padding:7px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--ink-soft);transition:.25s}
.tag-cloud a:hover{background:var(--primary-soft);color:var(--primary-deep);border-color:var(--primary-light);transform:translateY(-2px)}

/* ===== Footer ===== */
.site-footer{background:linear-gradient(180deg,#231c3d,#1a1530);color:#d8d2ec;padding:54px 0 0;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:#fff;margin-bottom:14px}
.footer-brand img{height:32px;width:auto}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col p{font-size:13.5px;color:#b3aad2;line-height:1.9}
.footer-col a,.footer-col span{display:block;font-size:13.5px;color:#b3aad2;padding:4px 0;transition:.2s}
.footer-col a:hover{color:#c4b5fd}
.footer-links{display:flex;flex-wrap:wrap;gap:8px 16px;margin-top:6px}
.footer-links a{padding:0;font-size:13px;color:#b3aad2}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px;color:#9b91bd}
.footer-bottom a{color:#b3aad2}
.footer-bottom a:hover{color:#c4b5fd}

/* ===== Floating ===== */
.float-stack{position:fixed;right:20px;bottom:26px;display:flex;flex-direction:column;gap:12px;z-index:120}
.float-btn{width:50px;height:50px;border-radius:50%;display:flex;align-items:center;justify-content:center;border:none;cursor:pointer;font-family:inherit;font-size:13px;font-weight:600;color:#fff;box-shadow:0 8px 20px rgba(124,58,237,.35);transition:.3s;text-decoration:none}
.float-btn:hover{transform:translateY(-3px) scale(1.05)}
.float-cs{background:linear-gradient(135deg,#8b5cf6,#6d28d9)}
.float-top{background:linear-gradient(135deg,#f472b6,#db2777);opacity:0;pointer-events:none}
.float-top.show{opacity:1;pointer-events:auto}
.kf-panel{position:fixed;right:20px;bottom:90px;background:#fff;border-radius:16px;box-shadow:var(--shadow-lg);padding:16px;z-index:130;display:none;text-align:center;border:1px solid var(--line)}
.kf-panel.show{display:block;animation:rise .3s ease}
.kf-panel img{width:170px;height:auto;border-radius:10px;margin-bottom:8px}
.kf-panel p{font-size:13px;color:var(--ink-soft)}

/* ===== 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-inner{grid-template-columns:1fr;gap:34px}
  .hero-panel{max-width:540px;margin:0 auto}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .net-grid{grid-template-columns:repeat(2,1fr)}
  .intro-wrap{grid-template-columns:1fr;gap:32px}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-links{display:none;width:100%;flex-direction:column;align-items:stretch;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px;margin-top:10px;box-shadow:var(--shadow-md)}
  .nav-links.open{display:flex;animation:rise .25s ease}
  .nav-links a{padding:11px 14px}
  .menu-toggle{display:flex}
  .nav-actions .btn-ghost{display:none}
}
@media(max-width:720px){
  section{padding:56px 0}
  .grid-3,.grid-2,.case-grid{grid-template-columns:1fr}
  .intro-list{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .form-wrap{padding:24px 18px}
  .float-stack{right:14px;bottom:18px}
  .kf-panel{right:14px;bottom:80px}
  .hero{padding:56px 0 48px}
  .footer-bottom{flex-direction:column;text-align:center;align-items:center}
}