*,*::before,*::after{box-sizing:border-box}
:root{
  --v50:#f7f3ff;--v100:#efe7ff;--v200:#e0d1ff;--v300:#c9aeff;--v400:#a97ffb;
  --v500:#8b5cf6;--v600:#7c3aed;--v700:#6822d6;
  --ink:#180f2e;--ink2:#3d3355;--muted:#6f668a;--line:#ece6f8;
  --shadow-sm:0 4px 16px rgba(88,44,170,.08);
  --shadow-md:0 14px 40px rgba(88,44,170,.14);
  --shadow-lg:0 30px 70px rgba(88,44,170,.20);
  --radius:20px;--container:1220px;
}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{margin:0;font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:#fff;line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%}
a{color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:800;letter-spacing:-.3px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:88px 0;position:relative}
.section.alt{background:linear-gradient(180deg,#faf7ff 0%,#f4eeff 100%)}
.section-head{max-width:840px;margin:0 auto 52px;text-align:center}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--v600);background:var(--v100);border-radius:999px;padding:6px 16px}
.section-head h2{font-size:clamp(24px,3.3vw,38px);margin:16px 0 14px}
.section-head p{color:var(--muted);font-size:16px}
.grad-text{background:linear-gradient(120deg,#7c3aed,#c026d3 55%,#8b5cf6);-webkit-background-clip:text;background-clip:text;color:transparent}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:999px;font-size:15px;font-weight:700;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:transform .25s,box-shadow .25s,background .25s,color .25s;font-family:inherit;line-height:1.4}
.btn:active{transform:scale(.98)}
.btn-primary{background:linear-gradient(135deg,#8b5cf6,#6420d8);color:#fff;box-shadow:0 12px 28px rgba(124,58,237,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(124,58,237,.46)}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.55);backdrop-filter:blur(6px)}
.btn-ghost:hover{background:rgba(255,255,255,.26);transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--v600);border-color:var(--v200);box-shadow:var(--shadow-sm)}
.btn-outline:hover{border-color:var(--v500);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-lg{padding:15px 34px;font-size:16px}
.btn-block{width:100%}
/* header */
.site-header{position:sticky;top:0;z-index:200;background:rgba(255,255,255,.9);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav-wrap{max-width:var(--container);margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;height:72px;gap:18px}
.brand{display:flex;align-items:center;text-decoration:none;flex-shrink:0}
.ai-page-logo{max-height:42px;width:auto;display:block}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:nowrap}
.nav-links li{list-style:none}
.nav-links li a{display:block;padding:10px 13px;font-size:14.5px;font-weight:600;color:#3d3355;text-decoration:none;border-radius:10px;transition:color .22s,background .22s;white-space:nowrap}
.nav-links li a:hover{color:var(--v600);background:var(--v50)}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:12px;cursor:pointer;padding:0 11px}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--v600);transition:.28s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* hero */
.hero{position:relative;overflow:hidden;padding:96px 0 80px;color:#fff;background:linear-gradient(135deg,#5b1ecf 0%,#7c3aed 36%,#a855f7 70%,#cf9bff 100%)}
.hero-bg{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.hero-bg .orb{position:absolute;border-radius:50%;filter:blur(70px)}
.orb-1{width:520px;height:520px;background:#f0abfc;opacity:.5;top:-190px;right:-140px;animation:floatA 18s ease-in-out infinite}
.orb-2{width:430px;height:430px;background:#67e8f9;opacity:.28;bottom:-200px;left:-130px;animation:floatB 22s ease-in-out infinite}
.orb-3{width:340px;height:340px;background:#fde68a;opacity:.18;top:38%;left:46%;animation:floatA 26s ease-in-out infinite}
.hero-bg .mesh{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.10) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.10) 1px,transparent 1px);background-size:66px 66px;-webkit-mask-image:radial-gradient(circle at 50% 26%,#000 12%,transparent 74%);mask-image:radial-gradient(circle at 50% 26%,#000 12%,transparent 74%)}
@keyframes floatA{0%,100%{transform:translate3d(0,0,0)}50%{transform:translate3d(-42px,32px,0)}}
@keyframes floatB{0%,100%{transform:translate3d(0,0,0)}50%{transform:translate3d(52px,-30px,0)}}
.hero-inner{position:relative;z-index:2;text-align:center;max-width:960px;margin:0 auto}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 20px;border-radius:999px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.4);font-size:13.5px;font-weight:600;letter-spacing:.5px;backdrop-filter:blur(8px)}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:#a7f3d0;box-shadow:0 0 0 4px rgba(167,243,208,.28);animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(167,243,208,.28)}50%{box-shadow:0 0 0 9px rgba(167,243,208,0)}}
.hero h1{font-size:clamp(29px,4.9vw,55px);margin:26px 0 0;letter-spacing:-1px;text-shadow:0 12px 34px rgba(45,10,90,.28)}
.hero-sub{max-width:790px;margin:22px auto 0;font-size:clamp(15px,1.6vw,17.5px);color:rgba(255,255,255,.9)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;align-items:center;margin-top:36px}
.hero-note{margin-top:20px;font-size:13.5px;color:rgba(255,255,255,.78)}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:56px}
.hero-stat{background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.32);border-radius:18px;padding:22px 16px;backdrop-filter:blur(10px);transition:transform .3s,background .3s}
.hero-stat:hover{transform:translateY(-5px);background:rgba(255,255,255,.22)}
.hero-stat strong{display:block;font-size:clamp(22px,2.6vw,30px);font-weight:800;letter-spacing:-.5px}
.hero-stat span{display:block;margin-top:6px;font-size:13px;color:rgba(255,255,255,.85)}
/* about */
.about-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:center}
.about-copy h2{font-size:clamp(24px,3vw,34px);margin-bottom:18px}
.about-copy p{color:var(--muted);font-size:16px;margin-bottom:16px}
.about-features{display:grid;grid-template-columns:1fr 1fr;gap:12px 18px;margin-top:24px}
.about-features li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--ink2);font-weight:600}
.about-features li::before{content:"";width:18px;height:18px;flex:0 0 18px;margin-top:4px;border-radius:50%;background:linear-gradient(135deg,#a855f7,#6d28d9);box-shadow:0 0 0 4px rgba(139,92,246,.14)}
.about-media{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:auto auto;gap:14px}
.about-media .shot{border-radius:18px;overflow:hidden;box-shadow:var(--shadow-md);border:1px solid var(--line);background:#fff;transition:transform .35s,box-shadow .35s}
.about-media .shot:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.about-media .shot img{display:block;width:100%;height:100%;object-fit:cover;aspect-ratio:16/11}
.about-media .shot.span2{grid-column:span 2}
.about-media .shot.span2 img{aspect-ratio:16/8}
/* service cards */
.grid-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(272px,1fr));gap:22px}
.s-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;transition:transform .32s,box-shadow .32s,border-color .32s;overflow:hidden}
.s-card::after{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,#8b5cf6,#c026d3,#22d3ee);transform:scaleX(0);transform-origin:left;transition:transform .38s}
.s-card:hover{transform:translateY(-7px);box-shadow:var(--shadow-lg);border-color:var(--v200)}
.s-card:hover::after{transform:scaleX(1)}
.s-icon{width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;color:#fff;background:linear-gradient(135deg,#8b5cf6,#6420d8);box-shadow:0 10px 22px rgba(124,58,237,.3);margin-bottom:18px}
.s-card h3{font-size:17.5px;margin-bottom:10px}
.s-card p{font-size:14.5px;color:var(--muted)}
.s-card .tagline{display:inline-block;margin-top:16px;font-size:12.5px;font-weight:700;color:var(--v600);background:var(--v50);border-radius:999px;padding:5px 12px}
/* timeline / steps */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:22px;counter-reset:step}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 22px 24px;transition:transform .3s,box-shadow .3s}
.step:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.step .num{counter-increment:step;width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;color:#fff;background:linear-gradient(135deg,#a855f7,#6d28d9);margin-bottom:16px}
.step .num::before{content:"0" counter(step)}
.step h3{font-size:16.5px;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted)}
/* chips */
.chip-cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:40px}
.chip{display:inline-block;padding:8px 16px;border-radius:999px;background:#fff;border:1px solid var(--v200);color:var(--v700);font-size:13.5px;font-weight:600;transition:.25s}
.chip:hover{background:linear-gradient(135deg,#8b5cf6,#6420d8);color:#fff;border-color:transparent;transform:translateY(-3px);box-shadow:0 10px 22px rgba(124,58,237,.28)}
/* solutions */
.sol-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:22px}
.sol-card{background:linear-gradient(160deg,#fff,#faf7ff);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;transition:.3s}
.sol-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--v200)}
.sol-card h3{font-size:16.5px;margin-bottom:10px;display:flex;align-items:center;gap:9px}
.sol-card h3::before{content:"";width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,#a855f7,#6d28d9);flex:0 0 8px}
.sol-card p{font-size:14px;color:var(--muted)}
/* network */
.net-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px}
.net-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 20px;transition:.3s;text-align:left}
.net-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:var(--v200)}
.net-card strong{display:block;font-size:16px;margin-bottom:6px}
.net-card span{font-size:13.5px;color:var(--muted)}
/* table */
.table-wrap{overflow-x:auto;border-radius:18px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-sm);-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;min-width:720px;font-size:14.5px}
thead th{background:linear-gradient(135deg,#f3ecff,#efe7ff);color:var(--ink);font-weight:800;text-align:left;padding:16px 18px;white-space:nowrap;border-bottom:1px solid var(--line)}
tbody td{padding:15px 18px;border-bottom:1px solid #f4efff;color:var(--ink2);vertical-align:top}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:#fbf8ff}
th.hl,td.hl{background:rgba(139,92,246,.07);color:var(--v700);font-weight:700}
.table-note{margin-top:14px;font-size:13px;color:var(--muted)}
/* rating */
.rating-wrap{display:grid;grid-template-columns:340px 1fr;gap:28px;align-items:stretch;margin-bottom:34px}
.rating-card{background:linear-gradient(160deg,#7c3aed,#4c1d95 70%,#2e1065);color:#fff;border-radius:24px;padding:36px 30px;box-shadow:var(--shadow-lg);text-align:center;position:relative;overflow:hidden}
.rating-card::before{content:"";position:absolute;width:240px;height:240px;border-radius:50%;background:rgba(255,255,255,.12);top:-110px;right:-90px}
.rating-card .score{font-size:64px;font-weight:800;line-height:1;letter-spacing:-2px}
.rating-card .score small{font-size:20px;font-weight:600;opacity:.8}
.rating-card .stars{font-size:24px;letter-spacing:4px;color:#fbbf24;margin:14px 0 10px}
.rating-card .rating-label{font-size:15px;font-weight:700;opacity:.95}
.rating-card .rating-sub{font-size:13px;opacity:.72;margin-top:8px}
.rating-points{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.rating-point{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 20px;display:flex;gap:12px;align-items:flex-start;transition:.3s}
.rating-point:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);border-color:var(--v200)}
.rating-point .k{font-size:13.5px;color:var(--muted)}
.rating-point strong{display:block;font-size:14.5px;margin-bottom:2px}
/* testimonials */
.ts-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:22px}
.ts-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;transition:.32s;display:flex;flex-direction:column}
.ts-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--v200)}
.ts-quote{font-size:14.8px;color:var(--ink2);flex:1}
.ts-quote::before{content:"“";font-size:34px;color:var(--v300);line-height:0;vertical-align:-8px;margin-right:4px}
.ts-user{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:18px;border-top:1px dashed var(--line)}
.ts-avatar{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;background:linear-gradient(135deg,#a855f7,#6d28d9);flex:0 0 44px}
.ts-user strong{display:block;font-size:14.5px}
.ts-user span{font-size:12.8px;color:var(--muted)}
.ts-stars{color:#f59e0b;font-size:13px;letter-spacing:2px;margin-bottom:10px}
/* faq */
.faq-list{max-width:920px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:box-shadow .3s,border-color .3s}
.faq-item:hover{border-color:var(--v200);box-shadow:var(--shadow-sm)}
.faq-item.open{border-color:var(--v300);box-shadow:var(--shadow-md)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;background:none;border:none;font-family:inherit;font-size:15.5px;font-weight:700;color:var(--ink);text-align:left;cursor:pointer}
.faq-icon{width:22px;height:22px;flex:0 0 22px;border-radius:50%;background:var(--v100);color:var(--v600);display:flex;align-items:center;justify-content:center;transition:transform .3s,background .3s,color .3s;font-size:15px;font-weight:800;line-height:1}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--v600);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .38s ease}
.faq-item.open .faq-a{max-height:600px}
.faq-a p{padding:0 24px 22px;color:var(--muted);font-size:14.5px}
/* articles */
.article-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px}
.article-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;transition:.3s;display:flex;flex-direction:column}
.article-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--v200)}
.article-card .a-tag{font-size:12.5px;font-weight:700;color:var(--v600);background:var(--v50);border-radius:999px;padding:4px 12px;align-self:flex-start;margin-bottom:14px}
.article-card h3{font-size:16.5px;margin-bottom:10px}
.article-card p{font-size:14px;color:var(--muted);flex:1}
.article-card a{display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-size:14px;font-weight:700;color:var(--v600);text-decoration:none}
.article-card a:hover{color:var(--v700)}
.articles-box{margin-top:26px;padding:22px;border:1px dashed var(--v200);border-radius:16px;background:#fcfaff;color:var(--muted);font-size:14px}
/* tabs */
.match-card{max-width:1000px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow-md);overflow:hidden}
.match-tabs{display:flex;flex-wrap:wrap;gap:8px;padding:14px;background:linear-gradient(135deg,#f6f1ff,#efe7ff);border-bottom:1px solid var(--line)}
.match-tab{flex:1 1 180px;padding:13px 18px;border-radius:12px;border:1px solid transparent;background:#fff;color:var(--ink2);font-family:inherit;font-size:14.5px;font-weight:700;cursor:pointer;transition:.25s}
.match-tab:hover{border-color:var(--v200);color:var(--v600)}
.match-tab.active{background:linear-gradient(135deg,#8b5cf6,#6420d8);color:#fff;box-shadow:0 10px 24px rgba(124,58,237,.3)}
.match-panel{display:none;padding:32px 30px}
.match-panel.active{display:block;animation:fadeUp .45s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.match-panel h3{font-size:19px;margin-bottom:12px}
.match-panel p{color:var(--muted);font-size:14.8px;margin-bottom:18px}
.match-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px}
.match-list li{background:var(--v50);border:1px solid var(--v100);border-radius:12px;padding:14px 16px;font-size:14px;font-weight:600;color:var(--v700)}
/* contact */
.contact-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:34px;align-items:start}
.contact-info{background:linear-gradient(160deg,#2e1065,#5b21b6 60%,#7c3aed);color:#fff;border-radius:24px;padding:38px 32px;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.contact-info::before{content:"";position:absolute;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.10);bottom:-120px;right:-90px}
.contact-info h3{font-size:21px;margin-bottom:8px;position:relative}
.contact-info p.intro{font-size:14.5px;opacity:.82;margin-bottom:26px;position:relative}
.contact-list{position:relative;display:flex;flex-direction:column;gap:16px}
.contact-item{display:flex;gap:14px;align-items:flex-start;font-size:14.5px}
.contact-item .ico{width:38px;height:38px;flex:0 0 38px;border-radius:11px;background:rgba(255,255,255,.16);display:flex;align-items:center;justify-content:center;font-size:16px}
.contact-item strong{display:block;font-size:13px;opacity:.72;font-weight:600}
.contact-item span,.contact-item a{font-size:14.8px;font-weight:700;color:#fff;text-decoration:none;word-break:break-all}
.qr-box{margin-top:26px;position:relative;display:flex;align-items:center;gap:16px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);border-radius:18px;padding:16px}
.qr-box img{width:104px;height:104px;object-fit:cover;border-radius:12px;background:#fff;padding:5px;display:block}
.qr-box .qr-text strong{display:block;font-size:14.5px;margin-bottom:4px}
.qr-box .qr-text span{font-size:12.8px;opacity:.78;line-height:1.6}
/* form */
.lead-form{background:#fff;border:1px solid var(--line);border-radius:24px;padding:34px 30px;box-shadow:var(--shadow-md)}
.lead-form h3{font-size:20px;margin-bottom:6px}
.lead-form .form-lead{font-size:14px;color:var(--muted);margin-bottom:24px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:700;margin-bottom:8px;color:var(--ink2)}
.field input,.field select,.field textarea{width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:12px;font-family:inherit;font-size:14.5px;color:var(--ink);background:#fcfbff;transition:border-color .25s,box-shadow .25s,background .25s;outline:none}
.field input::placeholder,.field textarea::placeholder{color:#a79cc0}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--v500);background:#fff;box-shadow:0 0 0 4px rgba(139,92,246,.14)}
.field textarea{resize:vertical;min-height:112px}
.form-tip{margin-top:14px;font-size:12.8px;color:var(--muted);text-align:center}
/* join */
.join-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center;background:linear-gradient(135deg,#f7f2ff,#eee5ff);border:1px solid var(--v100);border-radius:26px;padding:44px 40px}
.join-wrap h2{font-size:clamp(23px,2.8vw,32px);margin-bottom:16px}
.join-wrap p{color:var(--muted);font-size:15px;margin-bottom:22px}
.join-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.join-list li{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;font-size:14px;font-weight:600;color:var(--ink2)}
.join-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
/* footer */
.site-footer{background:#140a2b;color:#c9bfe6;padding:64px 0 26px;position:relative;overflow:hidden}
.site-footer::before{content:"";position:absolute;width:520px;height:520px;border-radius:50%;background:rgba(139,92,246,.22);filter:blur(110px);top:-240px;left:-120px}
.footer-grid{position:relative;display:grid;grid-template-columns:1.5fr 1fr 1fr 1.5fr;gap:34px}
.footer-brand p{font-size:14px;line-height:1.85;color:#a99ccb;margin-top:16px}
.footer-logo{max-height:42px;width:auto;display:block;background:rgba(255,255,255,.06);padding:6px 10px;border-radius:10px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:800}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{color:#a99ccb;text-decoration:none;font-size:13.8px;transition:color .22s}
.footer-col a:hover{color:#fff}
.friend-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}
.friend-links a{font-size:13px;color:#a99ccb;text-decoration:none;padding:6px 12px;border:1px solid rgba(255,255,255,.14);border-radius:999px;transition:.25s}
.friend-links a:hover{color:#fff;border-color:rgba(255,255,255,.4);background:rgba(255,255,255,.08)}
.footer-bottom{position:relative;margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#8f83b3}
.footer-bottom a{color:#b3a7d6;text-decoration:none}
.footer-bottom a:hover{color:#fff}
/* floating */
.float-dock{position:fixed;right:20px;bottom:26px;z-index:300;display:flex;flex-direction:column;gap:12px}
.float-btn{width:52px;height:52px;border-radius:16px;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;color:#fff;background:linear-gradient(135deg,#8b5cf6,#6420d8);box-shadow:0 14px 30px rgba(124,58,237,.4);transition:transform .28s,box-shadow .28s;font-family:inherit}
.float-btn:hover{transform:translateY(-4px);box-shadow:0 20px 38px rgba(124,58,237,.5)}
.float-btn.back-top{background:#fff;color:var(--v600);border:1px solid var(--v200);opacity:0;visibility:hidden;transform:translateY(12px)}
.float-btn.back-top.show{opacity:1;visibility:visible;transform:none}
.kefu-pop{position:fixed;right:20px;bottom:92px;z-index:301;width:250px;background:#fff;border-radius:18px;box-shadow:var(--shadow-lg);border:1px solid var(--line);padding:18px;display:none;text-align:center}
.kefu-pop.show{display:block;animation:fadeUp .3s ease}
.kefu-pop img{width:100%;max-width:190px;height:auto;border-radius:12px;display:block;margin:0 auto 12px}
.kefu-pop strong{display:block;font-size:14px;margin-bottom:4px}
.kefu-pop span{font-size:12.5px;color:var(--muted);line-height:1.7;display:block}
/* reveal */
html.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.22,.68,.36,1),transform .7s cubic-bezier(.22,.68,.36,1)}
html.js .reveal.in{opacity:1;transform:none}
/* responsive */
@media (max-width:1080px){
  .nav-toggle{display:flex}
  .nav-links{position:absolute;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 22px 44px rgba(60,30,120,.14);padding:10px 16px 18px;display:none;max-height:calc(100vh - 72px);overflow-y:auto}
  .nav-links.open{display:flex}
  .nav-links li a{padding:13px 14px;font-size:15px;border-radius:10px}
  .about-grid,.contact-grid,.join-wrap,.rating-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .section{padding:66px 0}
  .hero{padding:70px 0 62px}
  .hero-stats{grid-template-columns:1fr 1fr;gap:12px;margin-top:44px}
  .about-features{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .match-panel{padding:26px 20px}
  .join-wrap{padding:30px 22px}
  .join-list{grid-template-columns:1fr}
  .lead-form{padding:26px 20px}
  .contact-info{padding:30px 24px}
  .rating-card{padding:30px 22px}
  .rating-card .score{font-size:52px}
}
@media (max-width:560px){
  .hero h1{letter-spacing:-.5px}
  .hero-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .about-media{grid-template-columns:1fr}
  .about-media .shot.span2{grid-column:span 1}
  .qr-box{flex-direction:column;text-align:center}
  .float-dock{right:14px;bottom:18px}
  .kefu-pop{right:14px;bottom:84px;width:calc(100% - 28px);max-width:280px}
  .section-head{margin-bottom:38px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
}