:root{
  --c1:#ff2d75;--c2:#ff7a00;--c3:#ffe600;--c4:#00e0b8;--c5:#3d5afe;--c6:#7c4dff;
  --ink:#12132a;--ink2:#3a3d5c;--muted:#6b6f92;--line:#e7e8f5;
  --bg:#ffffff;--bg2:#f6f7ff;--bg3:#0f1130;
  --radius:18px;--shadow:0 10px 30px rgba(35,38,90,.10);
  --shadow-h:0 18px 44px rgba(61,90,254,.20);
  --grad:linear-gradient(120deg,#ff2d75,#ff7a00 48%,#ffe600);
  --grad2:linear-gradient(120deg,#3d5afe,#7c4dff 55%,#00e0b8);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.container{max-width:1180px;margin:0 auto;padding:0 20px}
section{padding:84px 0;position:relative}
.sec-head{text-align:center;margin-bottom:52px}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--c1);background:rgba(255,45,117,.08);padding:6px 16px;border-radius:100px;margin-bottom:16px}
.sec-title{font-size:clamp(24px,3.4vw,38px);font-weight:800;line-height:1.3;letter-spacing:-.5px}
.sec-title .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.sec-sub{max-width:720px;margin:16px auto 0;color:var(--muted);font-size:16px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:15px;padding:14px 30px;border-radius:100px;border:none;cursor:pointer;transition:.25s;position:relative;white-space:nowrap}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(255,45,117,.35)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(255,45,117,.45)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-3px)}
.btn-line{background:#fff;color:var(--c5);border:2px solid var(--c5)}
.btn-line:hover{background:var(--c5);color:#fff;transform:translateY(-3px);box-shadow:var(--shadow-h)}

/* header */
.site-header{position:sticky;top:0;z-index:900;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:.3s}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:18px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.ai-page-logo{height:40px;width:auto}
.brand-name{font-size:20px;font-weight:800;background:var(--grad2);-webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:-.5px}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:nowrap}
.nav-links a{display:block;font-size:14px;font-weight:600;color:var(--ink2);padding:8px 12px;border-radius:8px;transition:.2s;white-space:nowrap}
.nav-links a:hover{color:var(--c1);background:rgba(255,45,117,.07)}
.header-cta{display:flex;align-items:center;gap:10px;flex-shrink:0}
.header-cta .btn{padding:10px 22px;font-size:14px}
.nav-toggle{display:none;background:none;border:none;font-size:26px;color:var(--ink);cursor:pointer;padding:4px 8px;line-height:1}

/* hero */
.hero{position:relative;overflow:hidden;background:radial-gradient(1200px 600px at 12% -10%,#2a1a6e 0%,transparent 60%),radial-gradient(1000px 600px at 95% 10%,#0a4f7a 0%,transparent 55%),linear-gradient(140deg,#0b0d2a 0%,#151a45 45%,#1d1150 100%);color:#fff;padding:96px 0 110px}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;filter:blur(10px);pointer-events:none}
.hero::before{width:420px;height:420px;top:-120px;right:-80px;background:radial-gradient(circle,rgba(255,45,117,.45),transparent 65%);animation:float1 9s ease-in-out infinite}
.hero::after{width:360px;height:360px;bottom:-140px;left:-60px;background:radial-gradient(circle,rgba(0,224,184,.38),transparent 65%);animation:float2 11s ease-in-out infinite}
@keyframes float1{0%,100%{transform:translate(0,0)}50%{transform:translate(-30px,30px)}}
@keyframes float2{0%,100%{transform:translate(0,0)}50%{transform:translate(25px,-25px)}}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse at center,black 30%,transparent 78%);pointer-events:none}
.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;font-size:13px;font-weight:700;color:#ffe600;background:rgba(255,255,255,.08);border:1px solid rgba(255,230,0,.35);padding:8px 18px;border-radius:100px;margin-bottom:26px}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:#00e0b8;box-shadow:0 0 0 4px rgba(0,224,184,.25);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.hero h1{font-size:clamp(30px,5.2vw,58px);font-weight:900;line-height:1.18;letter-spacing:-1.5px;margin-bottom:22px}
.hero h1 .g{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero h1 .g2{background:linear-gradient(120deg,#00e0b8,#3d5afe);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-desc{font-size:clamp(15px,1.8vw,18px);color:rgba(255,255,255,.78);max-width:720px;margin:0 auto 34px}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:48px}
.hero-actions .btn{padding:16px 38px;font-size:16px}
.hero-actions .btn-primary{animation:breathe 2.6s ease-in-out infinite}
@keyframes breathe{0%,100%{box-shadow:0 8px 22px rgba(255,45,117,.35)}50%{box-shadow:0 10px 34px rgba(255,122,0,.6)}}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;max-width:820px;margin:0 auto}
.hero-stat{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:20px 12px;transition:.3s}
.hero-stat:hover{transform:translateY(-5px);background:rgba(255,255,255,.1);border-color:rgba(255,230,0,.4)}
.hero-stat .num{font-size:clamp(22px,3vw,32px);font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.1}
.hero-stat .lbl{font-size:13px;color:rgba(255,255,255,.7);margin-top:4px}

/* marquee */
.marquee{background:var(--bg3);color:rgba(255,255,255,.75);padding:14px 0;overflow:hidden;border-top:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08)}
.marquee-track{display:flex;gap:48px;white-space:nowrap;animation:scrollx 32s linear infinite;width:max-content}
.marquee-track span{font-size:14px;font-weight:600;letter-spacing:.5px;display:inline-flex;align-items:center;gap:8px}
.marquee-track span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c4)}
@keyframes scrollx{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* about */
.about-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.about-text .eyebrow{margin-bottom:14px}
.about-text h2{font-size:clamp(24px,3.2vw,36px);font-weight:800;line-height:1.3;margin-bottom:18px}
.about-text p{color:var(--ink2);margin-bottom:16px}
.about-points{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:26px}
.about-point{display:flex;gap:12px;align-items:flex-start;background:var(--bg2);padding:16px;border-radius:14px;transition:.25s}
.about-point:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.ap-ico{width:38px;height:38px;border-radius:10px;background:var(--grad2);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;flex-shrink:0;font-size:15px}
.about-point b{display:block;font-size:15px;margin-bottom:2px}
.about-point small{color:var(--muted);font-size:13px;line-height:1.5}
.about-visual{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.about-visual img{border-radius:16px;box-shadow:var(--shadow);transition:.35s;width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.about-visual img:nth-child(3){grid-column:1/-1;aspect-ratio:16/9}
.about-visual img:hover{transform:scale(1.03) translateY(-4px);box-shadow:var(--shadow-h)}

/* services */
.services{background:var(--bg2)}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.svc-card{background:#fff;border-radius:var(--radius);padding:30px 26px;border:1px solid var(--line);transition:.3s;position:relative;overflow:hidden}
.svc-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:.35s}
.svc-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-h);border-color:transparent}
.svc-card:hover::before{transform:scaleX(1)}
.svc-ico{width:54px;height:54px;border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:18px;font-size:24px;color:#fff}
.svc-card h3{font-size:18px;font-weight:800;margin-bottom:10px}
.svc-card p{font-size:14px;color:var(--muted);line-height:1.7}
.ico-1{background:linear-gradient(135deg,#ff2d75,#ff7a00)}
.ico-2{background:linear-gradient(135deg,#3d5afe,#7c4dff)}
.ico-3{background:linear-gradient(135deg,#00e0b8,#3d5afe)}
.ico-4{background:linear-gradient(135deg,#ff7a00,#ffe600)}
.ico-5{background:linear-gradient(135deg,#7c4dff,#ff2d75)}
.ico-6{background:linear-gradient(135deg,#00b8ff,#00e0b8)}

/* tags */
.tagcloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:40px}
.tagcloud span{display:inline-block;padding:8px 18px;border-radius:100px;font-size:13px;font-weight:600;background:#fff;border:1px solid var(--line);color:var(--ink2);transition:.2s;cursor:default}
.tagcloud span:hover{background:var(--grad);color:#fff;border-color:transparent;transform:translateY(-3px)}

/* one-stop / timeline */
.timeline{position:relative;max-width:880px;margin:0 auto}
.timeline::before{content:"";position:absolute;left:26px;top:8px;bottom:8px;width:3px;background:var(--grad2);border-radius:3px}
.tl-item{position:relative;padding-left:72px;margin-bottom:34px}
.tl-item:last-child{margin-bottom:0}
.tl-dot{position:absolute;left:12px;top:4px;width:32px;height:32px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;box-shadow:0 0 0 5px #fff,0 0 0 6px var(--line)}
.tl-item h3{font-size:18px;font-weight:800;margin-bottom:6px}
.tl-item p{color:var(--muted);font-size:14.5px}

/* industry */
.ind-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.ind-card{background:#fff;border-radius:14px;padding:24px 20px;border:1px solid var(--line);text-align:center;transition:.28s}
.ind-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--c4)}
.ind-card .em{font-size:30px;margin-bottom:10px}
.ind-card h4{font-size:15px;font-weight:800;margin-bottom:6px}
.ind-card p{font-size:13px;color:var(--muted);line-height:1.6}

/* network */
.network{background:var(--bg3);color:#fff;overflow:hidden}
.network .sec-title,.network .eyebrow{color:#fff}
.network .sec-sub{color:rgba(255,255,255,.7)}
.network .eyebrow{background:rgba(255,230,0,.15);color:#ffe600}
.net-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin-bottom:36px}
.net-item{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:18px 8px;text-align:center;font-size:14px;font-weight:600;transition:.28s}
.net-item:hover{background:rgba(255,45,117,.16);border-color:var(--c1);transform:translateY(-4px)}
.net-note{text-align:center;color:rgba(255,255,255,.65);font-size:14px;max-width:760px;margin:0 auto}

/* process */
.proc-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.proc-step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px 18px;text-align:center;position:relative;transition:.3s}
.proc-step:hover{transform:translateY(-8px);box-shadow:var(--shadow-h)}
.proc-num{width:48px;height:48px;border-radius:50%;background:var(--grad);color:#fff;font-weight:900;font-size:18px;display:flex;align-items:center;justify-content:center;margin:0 auto 14px}
.proc-step h4{font-size:15px;font-weight:800;margin-bottom:8px}
.proc-step p{font-size:13px;color:var(--muted);line-height:1.6}

/* cases */
.cases{background:var(--bg2)}
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.case-card{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);transition:.3s;display:flex;flex-direction:column}
.case-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-h)}
.case-media{overflow:hidden}
.case-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:.5s}
.case-card:hover .case-media img{transform:scale(1.06)}
.case-body{padding:24px}
.case-tag{display:inline-block;font-size:12px;font-weight:700;color:var(--c5);background:rgba(61,90,254,.1);padding:4px 12px;border-radius:100px;margin-bottom:10px}
.case-body h3{font-size:18px;font-weight:800;margin-bottom:8px}
.case-body p{font-size:14px;color:var(--muted);line-height:1.7}
.case-metrics{display:flex;gap:22px;margin-top:16px;padding-top:16px;border-top:1px dashed var(--line)}
.case-metrics b{display:block;font-size:20px;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.case-metrics small{font-size:12px;color:var(--muted)}

/* compare */
.compare{background:#fff}
.cmp-banner{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:28px;background:var(--bg3);color:#fff;border-radius:var(--radius);padding:34px 28px;margin-bottom:36px}
.cmp-score{text-align:center}
.cmp-score .big{font-size:52px;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.cmp-score .stars{color:#ffe600;font-size:20px;letter-spacing:3px;margin-top:6px}
.cmp-score small{display:block;color:rgba(255,255,255,.6);font-size:13px;margin-top:4px}
.cmp-desc{max-width:520px;font-size:14.5px;color:rgba(255,255,255,.78);line-height:1.8}
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse;min-width:640px;background:#fff}
thead th{background:var(--bg3);color:#fff;font-size:14px;font-weight:700;padding:16px 18px;text-align:left;white-space:nowrap}
tbody td{padding:15px 18px;font-size:14px;border-bottom:1px solid var(--line);color:var(--ink2);vertical-align:middle}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:var(--bg2)}
td.own{font-weight:700;color:var(--c1)}
td.yes{color:#00b069;font-weight:700}
td.no{color:#c0392b}

/* comments */
.comments{background:var(--bg2)}
.cmt-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cmt-card{background:#fff;border-radius:var(--radius);padding:26px;border:1px solid var(--line);transition:.3s;display:flex;flex-direction:column}
.cmt-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-h)}
.cmt-stars{color:#ffb400;letter-spacing:2px;margin-bottom:12px;font-size:15px}
.cmt-text{font-size:14.5px;color:var(--ink2);line-height:1.8;flex:1}
.cmt-user{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:16px;border-top:1px solid var(--line)}
.cmt-avatar{width:44px;height:44px;border-radius:50%;background:var(--grad2);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}
.cmt-user b{font-size:14px;display:block}
.cmt-user small{color:var(--muted);font-size:12.5px}

/* price */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;transition:.3s;display:flex;flex-direction:column}
.price-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-h)}
.price-card.featured{border:2px solid transparent;background-image:linear-gradient(#fff,#fff),var(--grad);background-origin:border-box;background-clip:padding-box,border-box;position:relative}
.price-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;font-size:12px;font-weight:700;padding:5px 16px;border-radius:100px;white-space:nowrap}
.price-name{font-size:16px;font-weight:800;margin-bottom:8px}
.price-num{font-size:36px;font-weight:900;color:var(--ink);line-height:1.1}
.price-num small{font-size:14px;font-weight:600;color:var(--muted)}
.price-feats{margin:22px 0;flex:1}
.price-feats li{font-size:14px;color:var(--ink2);padding:8px 0 8px 26px;position:relative}
.price-feats li::before{content:"✓";position:absolute;left:0;top:8px;color:var(--c4);font-weight:900}
.price-card .btn{width:100%}

/* match / form */
.match{background:var(--bg3);color:#fff}
.match .sec-title{color:#fff}
.match .sec-sub{color:rgba(255,255,255,.7)}
.match .eyebrow{background:rgba(255,230,0,.15);color:#ffe600}
.form-wrap{max-width:760px;margin:0 auto;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);border-radius:22px;padding:38px 34px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-field{display:flex;flex-direction:column;gap:7px}
.form-field.full{grid-column:1/-1}
.form-field label{font-size:13.5px;font-weight:600;color:rgba(255,255,255,.85)}
.form-field input,.form-field select,.form-field textarea{width:100%;padding:13px 16px;border-radius:10px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);color:#fff;font-size:14.5px;font-family:inherit;transition:.2s;outline:none}
.form-field input::placeholder,.form-field textarea::placeholder{color:rgba(255,255,255,.4)}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{border-color:var(--c1);background:rgba(255,255,255,.13);box-shadow:0 0 0 3px rgba(255,45,117,.2)}
.form-field select option{color:#12132a}
.form-field textarea{resize:vertical;min-height:110px}
.form-submit{margin-top:24px;width:100%;padding:16px;font-size:16px}
.form-note{text-align:center;font-size:12.5px;color:rgba(255,255,255,.5);margin-top:14px}

/* faq */
.faq-list{max-width:860px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:14px;overflow:hidden;transition:.3s}
.faq-item:hover{border-color:rgba(255,45,117,.35);box-shadow:0 6px 18px rgba(35,38,90,.07)}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;background:none;border:none;cursor:pointer;text-align:left;font-size:16px;font-weight:700;color:var(--ink);font-family:inherit;transition:.2s}
.faq-q:hover{color:var(--c1)}
.faq-icon{flex-shrink:0;width:26px;height:26px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;transition:.35s}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .38s ease;padding:0 24px}
.faq-a p{padding:0 0 22px;font-size:14.5px;color:var(--muted);line-height:1.85}

/* articles */
.articles{background:var(--bg2)}
.art-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:28px}
.art-card{background:#fff;border-radius:var(--radius);padding:26px;border:1px solid var(--line);transition:.3s;display:flex;flex-direction:column;min-height:180px}
.art-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-h);border-color:transparent}
.art-card .art-tag{font-size:12px;font-weight:700;color:var(--c1);margin-bottom:12px;letter-spacing:1px}
.art-card h3{font-size:16px;font-weight:800;line-height:1.5;margin-bottom:10px}
.art-card p{font-size:13.5px;color:var(--muted);line-height:1.7;flex:1}
.art-links{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.art-links a{font-size:13px;font-weight:600;color:var(--c5);background:#fff;border:1px solid var(--line);padding:8px 18px;border-radius:100px;transition:.2s}
.art-links a:hover{background:var(--c5);color:#fff;border-color:transparent;transform:translateY(-3px)}
.wiki-list{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:16px}
.wiki-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 16px;font-size:13.5px;color:var(--ink2);transition:.25s}
.wiki-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--c4)}
.wiki-item b{display:block;color:var(--ink);margin-bottom:4px;font-size:14.5px}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.contact-info{display:flex;flex-direction:column;gap:16px}
.contact-item{display:flex;gap:16px;align-items:flex-start;background:var(--bg2);border-radius:14px;padding:20px;transition:.25s}
.contact-item:hover{transform:translateX(6px);box-shadow:var(--shadow)}
.ci-ico{width:44px;height:44px;border-radius:12px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;font-weight:800}
.contact-item b{display:block;font-size:15px;margin-bottom:3px}
.contact-item span{font-size:14px;color:var(--muted);word-break:break-all}
.qr-box{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;text-align:center;box-shadow:var(--shadow)}
.qr-box img{width:180px;height:180px;object-fit:contain;margin:0 auto 12px;border-radius:10px}
.qr-box p{font-size:13.5px;color:var(--muted)}

/* join */
.join{background:linear-gradient(120deg,#0b0d2a,#1d1150);color:#fff;text-align:center}
.join .sec-title{color:#fff}
.join .sec-sub{color:rgba(255,255,255,.75)}
.join-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin:40px 0}
.join-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:30px 24px;transition:.3s;text-align:left}
.join-card:hover{transform:translateY(-8px);border-color:var(--c1);background:rgba(255,255,255,.1)}
.join-card .em{font-size:28px;margin-bottom:14px}
.join-card h3{font-size:18px;font-weight:800;margin-bottom:10px}
.join-card p{font-size:14px;color:rgba(255,255,255,.68);line-height:1.75}

/* footer */
.site-footer{background:#080a1c;color:rgba(255,255,255,.65);padding:60px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px}
.footer-brand .ai-page-logo{height:36px;margin-bottom:14px}
.footer-brand p{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.55);margin-bottom:14px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col a,.footer-col li{display:block;font-size:13.5px;color:rgba(255,255,255,.6);padding:6px 0;transition:.2s;word-break:break-all}
.footer-col a:hover{color:var(--c4);padding-left:4px}
.footer-links{display:flex;flex-wrap:wrap;gap:8px 16px;justify-content:center;padding:24px 0;border-top:1px solid rgba(255,255,255,.1);font-size:13px}
.footer-links a{color:rgba(255,255,255,.55)}
.footer-links a:hover{color:var(--c4)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.45)}

/* float */
.float-cs{position:fixed;right:22px;bottom:22px;z-index:950;display:flex;flex-direction:column;gap:12px;align-items:flex-end}
.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 8px 22px rgba(255,45,117,.4);cursor:pointer;transition:.28s;border:none}
.float-btn:hover{transform:scale(1.1) translateY(-3px)}
.float-pop{position:absolute;right:64px;bottom:0;background:#fff;border-radius:14px;box-shadow:0 12px 36px rgba(0,0,0,.18);padding:16px;width:220px;display:none;text-align:center}
.float-pop.show{display:block;animation:fadeIn .25s}
.float-pop img{width:160px;height:160px;object-fit:contain;margin:0 auto 8px;border-radius:8px}
.float-pop p{font-size:13px;color:var(--ink2)}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.back-top{background:var(--c5);font-size:20px}

/* reveal */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* responsive */
@media(max-width:1080px){
  .nav-links{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;padding:12px 0;box-shadow:0 16px 30px rgba(0,0,0,.1);border-bottom:1px solid var(--line);gap:0}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 24px;border-radius:0;width:100%}
  .nav-toggle{display:block}
  .svc-grid,.ind-grid,.art-grid{grid-template-columns:repeat(2,1fr)}
  .proc-grid{grid-template-columns:repeat(3,1fr)}
  .net-grid{grid-template-columns:repeat(3,1fr)}
  .wiki-list{grid-template-columns:repeat(2,1fr)}
  .price-grid{grid-template-columns:1fr;max-width:440px;margin:0 auto}
  .join-cards{grid-template-columns:1fr;max-width:460px;margin-left:auto;margin-right:auto}
}
@media(max-width:840px){
  section{padding:60px 0}
  .about-wrap{grid-template-columns:1fr;gap:34px}
  .cmt-grid,.case-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .form-grid{grid-template-columns:1fr}
}
@media(max-width:600px){
  .svc-grid,.ind-grid,.art-grid,.proc-grid,.net-grid,.wiki-list{grid-template-columns:1fr}
  .about-points{grid-template-columns:1fr}
  .header-cta .btn{display:none}
  .cmp-banner{padding:26px 18px;gap:16px}
  .form-wrap{padding:26px 18px}
  .footer-grid{grid-template-columns:1fr}
  .hero{padding:64px 0 76px}
  .float-cs{right:14px;bottom:14px}
  .float-btn{width:48px;height:48px;font-size:20px}
  .sec-head{margin-bottom:36px}
  .case-metrics{gap:14px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}