*,*::before,*::after{box-sizing:border-box;}
:root{
  --ink:#1d1a2b;
  --ink-2:#4a4560;
  --ink-3:#6b6580;
  --paper:#fbf7f0;
  --card:#ffffff;
  --coral:#ff6b4a;
  --violet:#7c5cff;
  --teal:#12b5a5;
  --yellow:#ffc53d;
  --pink:#ff8fc7;
  --blue:#5aa9ff;
  --radius:18px;
}
html{scroll-behavior:smooth;scroll-padding-top:88px;}
body{
  margin:0;
  color:var(--ink);
  background-color:var(--paper);
  background-image:
    radial-gradient(520px 520px at 6% 2%, rgba(255,107,74,.16), transparent 68%),
    radial-gradient(560px 560px at 96% 10%, rgba(124,92,255,.15), transparent 68%),
    radial-gradient(620px 620px at 50% 104%, rgba(18,181,165,.15), transparent 70%),
    radial-gradient(440px 440px at 84% 62%, rgba(255,197,61,.13), transparent 70%);
  background-attachment:fixed;
  background-repeat:no-repeat;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 20px;}
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(251,247,240,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:2px solid rgba(29,26,43,.08);
}
.nav-bar{position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:11px 20px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:18px;letter-spacing:.4px;flex:0 0 auto;}
.brand .ai-page-logo{width:38px;border-radius:10px;display:block;}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:wrap;justify-content:flex-end;}
.nav-links a{display:block;padding:8px 9px;border-radius:10px;font-size:14.5px;font-weight:700;color:#3a3550;white-space:nowrap;transition:background .2s ease,color .2s ease;}
.nav-links a:hover{background:rgba(124,92,255,.13);color:#5a3ce0;}
.nav-toggle{display:none;width:44px;height:44px;border:2px solid var(--ink);border-radius:12px;background:#fff;flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer;padding:0;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.hero{padding:54px 0 46px;position:relative;}
.hero-inner{display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:center;}
.pill{display:inline-flex;align-items:center;gap:8px;background:#fff;border:2px solid var(--ink);border-radius:999px;padding:5px 16px;font-size:13px;font-weight:800;color:#3a3550;box-shadow:4px 4px 0 rgba(124,92,255,.22);}
.pill::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 3px rgba(18,181,165,.2);}
.hero h1{font-size:clamp(28px,4.4vw,50px);line-height:1.22;font-weight:900;letter-spacing:-.6px;margin:18px 0 16px;}
.mark{background:linear-gradient(transparent 62%, rgba(255,197,61,.78) 62%, rgba(255,197,61,.78) 93%, transparent 93%);padding:0 3px;border-radius:3px;}
.hero-sub{margin:0;font-size:16px;line-height:1.85;color:var(--ink-2);max-width:600px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:14px;font-size:16px;font-weight:800;border:2px solid var(--ink);cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease;font-family:inherit;line-height:1.2;}
.btn-primary{background:var(--coral);color:#1d1a2b;box-shadow:5px 5px 0 rgba(29,26,43,.85);}
.btn-primary:hover{transform:translate(-2px,-2px);box-shadow:8px 8px 0 rgba(29,26,43,.85);}
.btn-primary:active{transform:translate(2px,2px);box-shadow:2px 2px 0 rgba(29,26,43,.85);}
.btn-ghost{background:#fff;color:var(--ink);box-shadow:5px 5px 0 rgba(124,92,255,.24);}
.btn-ghost:hover{transform:translate(-2px,-2px);box-shadow:8px 8px 0 rgba(124,92,255,.3);background:#faf7ff;}
.hero-points{list-style:none;margin:28px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:10px 22px;}
.hero-points li{position:relative;padding-left:24px;font-size:14.8px;font-weight:700;color:var(--ink-2);}
.hero-points li::before{content:"";position:absolute;left:0;top:9px;width:12px;height:12px;border-radius:4px;background:var(--teal);border:2px solid var(--ink);}
.hero-points li:nth-child(2)::before{background:var(--violet);}
.hero-points li:nth-child(3)::before{background:var(--yellow);}
.hero-points li:nth-child(4)::before{background:var(--coral);}
.hero-visual{display:grid;grid-template-columns:1fr 1fr;gap:14px;padding:6px;animation:floatY 7s ease-in-out infinite;}
.piece{border:2px solid var(--ink);border-radius:16px;padding:22px 10px;text-align:center;font-weight:900;font-size:16px;color:#1d1a2b;box-shadow:5px 5px 0 rgba(29,26,43,.14);}
.piece-1{background:#ffd9cf;transform:rotate(-2.5deg);}
.piece-2{background:#ddd6ff;transform:rotate(2deg);}
.piece-3{background:#d3f6f1;transform:rotate(1.6deg);}
.piece-4{background:#ffe9b5;transform:rotate(-1.6deg);}
.piece-5{background:#e2eeff;transform:rotate(2.4deg);}
.piece-6{background:#ffe0f0;transform:rotate(-2deg);}
@keyframes floatY{0%,100%{transform:translateY(0);}50%{transform:translateY(-10px);}}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:46px;}
.stat-card{background:#fff;border:2px solid rgba(29,26,43,.12);border-radius:16px;padding:18px 18px 16px;box-shadow:5px 5px 0 rgba(29,26,43,.07);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.stat-card:hover{transform:translateY(-4px);box-shadow:9px 10px 0 rgba(29,26,43,.1);border-color:rgba(29,26,43,.24);}
.stat-card strong{display:block;font-size:27px;font-weight:900;line-height:1.15;letter-spacing:-.5px;}
.stat-card span{display:block;margin-top:6px;font-size:13.4px;font-weight:700;color:var(--ink-3);}
.stat-card:nth-child(1){border-top:5px solid var(--coral);}
.stat-card:nth-child(2){border-top:5px solid var(--violet);}
.stat-card:nth-child(3){border-top:5px solid var(--teal);}
.stat-card:nth-child(4){border-top:5px solid var(--yellow);}
.section{padding:66px 0;}
.section-alt{background:rgba(255,255,255,.62);border-top:2px solid rgba(29,26,43,.07);border-bottom:2px solid rgba(29,26,43,.07);}
.section-head{max-width:780px;margin:0 auto 42px;text-align:center;}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:900;letter-spacing:2px;color:#5a3ce0;padding:4px 14px;border-radius:999px;background:rgba(124,92,255,.13);}
.section-head h2{font-size:clamp(23px,3.1vw,35px);font-weight:900;line-height:1.28;letter-spacing:-.4px;margin:14px 0 12px;}
.section-head p{margin:0;font-size:15.4px;line-height:1.85;color:var(--ink-2);}
.grid{display:grid;gap:20px;}
.grid-4{grid-template-columns:repeat(auto-fit,minmax(252px,1fr));}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(340px,1fr));}
.card{background:#fff;border:2px solid rgba(29,26,43,.12);border-radius:var(--radius);padding:24px 22px;box-shadow:5px 5px 0 rgba(29,26,43,.06);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.card::before{content:"";display:block;width:40px;height:6px;border-radius:999px;background:var(--accent,var(--coral));margin-bottom:16px;}
.card:hover{transform:translateY(-4px);box-shadow:9px 11px 0 rgba(29,26,43,.09);border-color:rgba(29,26,43,.22);}
.card h3{margin:0 0 10px;font-size:17.5px;font-weight:900;line-height:1.45;}
.card p{margin:0;font-size:14.6px;line-height:1.82;color:var(--ink-2);}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{font-size:12.4px;font-weight:700;padding:3px 10px;border-radius:999px;background:#f4f1ff;color:#5a3ce0;border:1px solid rgba(124,92,255,.24);}
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:start;}
.about-copy p{margin:0 0 16px;font-size:15.4px;line-height:1.9;color:var(--ink-2);}
.about-list{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:12px;}
.about-list li{position:relative;padding-left:32px;font-size:14.8px;font-weight:700;color:#2f2a45;line-height:1.7;}
.about-list li::before{content:"";position:absolute;left:0;top:3px;width:18px;height:18px;border-radius:6px;background:var(--teal);border:2px solid var(--ink);}
.about-list li:nth-child(2)::before{background:var(--violet);}
.about-list li:nth-child(3)::before{background:var(--yellow);}
.about-list li:nth-child(4)::before{background:var(--coral);}
.about-media{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.media-frame{background:#fff7ef;border:2px solid rgba(29,26,43,.12);border-radius:16px;overflow:hidden;display:flex;align-items:center;justify-content:center;aspect-ratio:4/3;box-shadow:4px 4px 0 rgba(29,26,43,.06);}
.media-frame img{display:block;max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;}
.model-cloud{margin-top:34px;background:#fff;border:2px solid rgba(29,26,43,.12);border-radius:var(--radius);padding:24px 22px;box-shadow:5px 5px 0 rgba(29,26,43,.06);}
.model-cloud h3{margin:0 0 6px;font-size:17px;font-weight:900;}
.model-cloud p{margin:0 0 16px;font-size:14px;color:var(--ink-3);}
.model-tags{display:flex;flex-wrap:wrap;gap:9px;}
.model-tags span{font-size:13px;font-weight:700;padding:5px 12px;border-radius:999px;background:#fff;border:2px solid rgba(29,26,43,.14);color:#342f4a;transition:transform .18s ease,border-color .18s ease,background .18s ease;}
.model-tags span:hover{transform:translateY(-2px);border-color:var(--violet);background:#f6f3ff;}
.pipeline{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;}
.pipe-step{position:relative;background:#fff;border:2px solid rgba(29,26,43,.12);border-radius:16px;padding:24px 20px 20px;box-shadow:5px 5px 0 rgba(29,26,43,.06);transition:transform .22s ease,box-shadow .22s ease;}
.pipe-step:hover{transform:translateY(-4px);box-shadow:9px 11px 0 rgba(29,26,43,.09);}
.pipe-num{display:inline-flex;align-items:center;justify-content:center;min-width:38px;height:32px;padding:0 10px;border-radius:10px;font-size:14px;font-weight:900;color:#1d1a2b;border:2px solid var(--ink);background:var(--yellow);margin-bottom:14px;}
.pipe-step:nth-child(2) .pipe-num{background:#ffd9cf;}
.pipe-step:nth-child(3) .pipe-num{background:#d3f6f1;}
.pipe-step:nth-child(4) .pipe-num{background:#ddd6ff;}
.pipe-step h3{margin:0 0 8px;font-size:16.5px;font-weight:900;}
.pipe-step p{margin:0;font-size:14.3px;line-height:1.8;color:var(--ink-2);}
.process-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;}
.process-card{background:#fff;border:2px solid rgba(29,26,43,.12);border-radius:var(--radius);padding:26px 24px 22px;box-shadow:5px 5px 0 rgba(29,26,43,.06);transition:transform .22s ease,box-shadow .22s ease;}
.process-card:hover{transform:translateY(-4px);box-shadow:9px 11px 0 rgba(29,26,43,.09);}
.process-card .num{display:block;font-size:32px;font-weight:900;line-height:1;color:#cfc7f0;margin-bottom:10px;letter-spacing:-1px;}
.process-card h3{margin:0 0 8px;font-size:17px;font-weight:900;}
.process-card p{margin:0;font-size:14.5px;line-height:1.82;color:var(--ink-2);}
.case-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:22px;}
.case-card{background:#fff;border:2px solid rgba(29,26,43,.12);border-radius:var(--radius);overflow:hidden;box-shadow:5px 5px 0 rgba(29,26,43,.07);transition:transform .22s ease,box-shadow .22s ease;}
.case-card:hover{transform:translateY(-5px);box-shadow:10px 12px 0 rgba(29,26,43,.1);}
.case-card .media-frame{border:none;border-radius:0;border-bottom:2px solid rgba(29,26,43,.1);aspect-ratio:16/10;}
.case-body{padding:20px 22px 22px;}
.case-body h3{margin:0 0 8px;font-size:17px;font-weight:900;}
.case-body p{margin:0;font-size:14.4px;line-height:1.8;color:var(--ink-2);}
.score-card{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;background:linear-gradient(120deg,#fff6d9 0%,#ffe9e2 55%,#ece6ff 100%);border:2px solid var(--ink);border-radius:var(--radius);padding:26px 28px;box-shadow:6px 6px 0 rgba(29,26,43,.14);margin-bottom:28px;}
.score-left{max-width:560px;}
.score-label{font-size:14px;font-weight:900;letter-spacing:1px;color:#5a3ce0;}
.stars{font-size:24px;letter-spacing:4px;color:#ff9f1c;line-height:1.2;margin:6px 0 8px;text-shadow:0 1px 0 rgba(29,26,43,.14);}
.score-left p{margin:0;font-size:14.6px;line-height:1.8;color:#403a58;}
.score-right{display:flex;align-items:baseline;gap:6px;flex:0 0 auto;}
.score-right strong{font-size:56px;font-weight:900;line-height:1;letter-spacing:-2px;color:#1d1a2b;}
.score-right span{font-size:17px;font-weight:800;color:#5b5470;}
.table-wrap{overflow-x:auto;border:2px solid rgba(29,26,43,.12);border-radius:16px;background:#fff;box-shadow:5px 5px 0 rgba(29,26,43,.06);-webkit-overflow-scrolling:touch;}
.compare-table{width:100%;min-width:760px;border-collapse:collapse;font-size:14.4px;}
.compare-table th,.compare-table td{padding:14px 16px;text-align:left;vertical-align:top;border-bottom:1px solid rgba(29,26,43,.09);line-height:1.7;}
.compare-table thead th{background:#f5f1ff;font-weight:900;color:#2a2540;font-size:14.6px;white-space:nowrap;}
.compare-table thead th.hl{background:#ffe9b5;}
.compare-table tbody th{font-weight:800;color:#2f2a45;white-space:nowrap;background:#fdfbf7;}
.compare-table td.hl{background:rgba(255,197,61,.16);font-weight:700;color:#1d1a2b;}
.compare-table tbody tr:last-child th,.compare-table tbody tr:last-child td{border-bottom:none;}
.table-note{margin:14px 2px 0;font-size:13.2px;color:var(--ink-3);}
.review{margin:0;background:#fff;border:2px solid rgba(29,26,43,.12);border-radius:var(--radius);padding:24px 22px;box-shadow:5px 5px 0 rgba(29,26,43,.06);display:flex;flex-direction:column;gap:16px;transition:transform .22s ease,box-shadow .22s ease;}
.review:hover{transform:translateY(-4px);box-shadow:9px 11px 0 rgba(29,26,43,.09);}
.review blockquote{margin:0;font-size:14.7px;line-height:1.85;color:#3f3a55;}
.review figcaption{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:14px;border-top:1px dashed rgba(29,26,43,.14);}
.avatar{width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:16px;color:#1d1a2b;border:2px solid var(--ink);flex:0 0 auto;background:#ffe9b5;}
.review .who strong{display:block;font-size:14.5px;font-weight:900;color:#2a2540;}
.review-role{display:block;font-size:12.6px;color:var(--ink-3);font-weight:700;}
.faq-list{max-width:900px;margin:0 auto;}
.faq-item{background:#fff;border:2px solid rgba(29,26,43,.12);border-radius:14px;margin-bottom:12px;overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;}
.faq-item.open{border-color:rgba(124,92,255,.65);box-shadow:5px 5px 0 rgba(124,92,255,.16);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 20px;background:none;border:none;font-family:inherit;font-size:15.4px;font-weight:900;color:#1d1a2b;text-align:left;cursor:pointer;line-height:1.6;}
.faq-icon{flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:#f3f0ff;color:#5a3ce0;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:16px;transition:transform .25s ease;}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{margin:0;padding:0 20px 18px;font-size:14.5px;line-height:1.85;color:var(--ink-2);}
.faq-item.open .faq-a{max-height:420px;}
.token-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;}
.token-card{background:#fff;border:2px solid rgba(29,26,43,.12);border-radius:16px;padding:22px 20px;box-shadow:5px 5px 0 rgba(29,26,43,.06);transition:transform .22s ease,box-shadow .22s ease;}
.token-card:hover{transform:translateY(-4px);box-shadow:9px 11px 0 rgba(29,26,43,.09);}
.token-card h3{margin:0 0 4px;font-size:16.5px;font-weight:900;}
.token-card .price-tag{display:inline-block;font-size:12.6px;font-weight:800;padding:3px 10px;border-radius:999px;background:#e7f8f4;color:#0d8377;border:1px solid rgba(18,181,165,.35);margin-bottom:12px;}
.token-card p{margin:0;font-size:14.3px;line-height:1.8;color:var(--ink-2);}
.token-note{margin-top:22px;background:rgba(255,197,61,.18);border:2px dashed rgba(29,26,43,.22);border-radius:14px;padding:14px 20px;font-size:14px;font-weight:700;color:#3f3a55;}
.news-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px;}
.news-card{display:block;background:#fff;border:2px solid rgba(29,26,43,.12);border-radius:16px;padding:20px;box-shadow:5px 5px 0 rgba(29,26,43,.06);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.news-card:hover{transform:translateY(-4px);box-shadow:9px 11px 0 rgba(29,26,43,.09);border-color:rgba(124,92,255,.45);}
.news-card h3{margin:0 0 8px;font-size:16px;font-weight:900;line-height:1.55;}
.news-card p{margin:0;font-size:13.8px;line-height:1.78;color:var(--ink-3);}
.news-more{display:inline-block;margin-top:14px;font-size:13px;font-weight:900;color:#5a3ce0;}
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:start;}
.form-card{background:#fff;border:2px solid rgba(29,26,43,.12);border-radius:var(--radius);padding:28px 26px;box-shadow:6px 6px 0 rgba(29,26,43,.07);}
.form-card h3{margin:0 0 6px;font-size:19px;font-weight:900;}
.form-card .form-tip{margin:0 0 20px;font-size:14px;color:var(--ink-3);}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:6px;}
.field.full{grid-column:1/-1;}
.field label{font-size:13.4px;font-weight:800;color:#3a3550;}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:2px solid rgba(29,26,43,.14);border-radius:10px;font-size:15px;font-family:inherit;color:#1d1a2b;background:#fff;transition:border-color .2s ease,box-shadow .2s ease;}
.field input::placeholder,.field textarea::placeholder{color:#a9a3b8;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--violet);box-shadow:0 0 0 4px rgba(124,92,255,.14);}
.field textarea{min-height:118px;resize:vertical;}
.form-submit{margin-top:20px;width:100%;}
.contact-info{display:grid;gap:14px;}
.info-card{background:#fff;border:2px solid rgba(29,26,43,.12);border-radius:16px;padding:20px;box-shadow:5px 5px 0 rgba(29,26,43,.06);}
.info-card h3{margin:0 0 12px;font-size:16px;font-weight:900;}
.info-list{list-style:none;margin:0;padding:0;display:grid;gap:9px;}
.info-list li{font-size:14.3px;color:var(--ink-2);line-height:1.7;}
.info-list li b{color:#1d1a2b;font-weight:800;margin-right:6px;}
.info-list a{color:#5a3ce0;font-weight:800;}
.qr-box{display:flex;align-items:center;gap:16px;}
.qr-box img{width:104px;max-width:104px;height:auto;border-radius:12px;border:2px solid rgba(29,26,43,.12);display:block;flex:0 0 auto;}
.qr-box p{margin:0;font-size:13.6px;line-height:1.8;color:var(--ink-2);font-weight:700;}
.partner-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin-bottom:28px;}
.partner-cta{text-align:center;}
.site-footer{background:#f4ede2;border-top:2px solid rgba(29,26,43,.1);padding:38px 0 22px;color:#1d1a2b;}
.footer-top{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-bottom:22px;border-bottom:1px solid rgba(29,26,43,.12);}
.footer-brand{display:flex;align-items:center;gap:12px;}
.footer-brand .ai-page-logo{width:42px;border-radius:10px;display:block;}
.footer-brand-text strong{display:block;font-size:17px;font-weight:900;}
.footer-brand-text p{margin:2px 0 0;font-size:13.4px;color:#5b5470;font-weight:700;}
.footer-contact{display:flex;flex-wrap:wrap;gap:10px 22px;}
.footer-contact a{font-size:14px;font-weight:800;color:#2f2a45;transition:color .2s ease;}
.footer-contact a:hover{color:#5a3ce0;}
.footer-friend{padding:22px 0 18px;}
.footer-friend h2{margin:0 0 12px;font-size:14.5px;font-weight:900;color:#2f2a45;}
.friend-links{display:flex;flex-wrap:wrap;gap:10px;}
.friend-links a{font-size:13.4px;font-weight:700;padding:5px 13px;border-radius:999px;background:#fff;border:1px solid rgba(29,26,43,.14);color:#3f3a55;transition:border-color .2s ease,color .2s ease,transform .2s ease;}
.friend-links a:hover{border-color:var(--violet);color:#5a3ce0;transform:translateY(-2px);}
.footer-bottom{padding-top:16px;border-top:1px solid rgba(29,26,43,.12);}
.footer-bottom p{margin:0;font-size:13px;color:#5b5470;font-weight:700;}
.float-tools{position:fixed;right:18px;bottom:24px;z-index:200;display:flex;flex-direction:column;align-items:flex-end;gap:10px;}
.float-btn{width:52px;height:52px;border-radius:16px;border:2px solid var(--ink);background:#fff;color:var(--ink);font-weight:900;font-size:14px;cursor:pointer;box-shadow:4px 4px 0 rgba(29,26,43,.85);transition:transform .2s ease,box-shadow .2s ease;font-family:inherit;padding:0;}
.float-btn:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 rgba(29,26,43,.85);}
.float-kf{background:var(--coral);}
.float-top{opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .25s ease,visibility .25s ease,transform .25s ease;}
.float-top.show{opacity:1;visibility:visible;transform:none;}
.kf-panel{display:none;width:216px;background:#fff;border:2px solid var(--ink);border-radius:16px;padding:14px;text-align:center;box-shadow:6px 6px 0 rgba(29,26,43,.16);}
.kf-panel.open{display:block;}
.kf-panel img{width:100%;max-width:160px;height:auto;display:block;margin:0 auto 8px;border-radius:10px;border:1px solid rgba(29,26,43,.12);}
.kf-panel p{margin:4px 0;font-size:13px;font-weight:800;color:#3a3550;line-height:1.6;}
.kf-panel .kf-line{color:#5a3ce0;}
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .62s ease,transform .62s ease;}
.js .reveal.in{opacity:1;transform:none;}
@media (max-width:1023px){
  .nav-toggle{display:flex;}
  .nav-links{display:none;position:absolute;top:calc(100% + 8px);left:12px;right:12px;flex-direction:column;align-items:stretch;justify-content:flex-start;background:#fff;border:2px solid rgba(29,26,43,.14);border-radius:16px;padding:10px;gap:0;box-shadow:0 18px 34px rgba(29,26,43,.14);}
  .nav-links.open{display:flex;}
  .nav-links a{padding:12px 14px;border-radius:10px;font-size:15px;}
  .hero-inner{grid-template-columns:1fr;gap:34px;}
  .hero-visual{max-width:430px;margin:0 auto;}
  .about-grid{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:768px){
  .section{padding:52px 0;}
  .hero{padding:40px 0 34px;}
  .hero-sub{font-size:15.2px;}
  .about-media{grid-template-columns:1fr;}
  .score-card{padding:22px;}
  .score-right strong{font-size:46px;}
  .form-grid{grid-template-columns:1fr;}
  .footer-top{flex-direction:column;align-items:flex-start;}
}
@media (max-width:560px){
  .stat-grid{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
  .hero-points{gap:8px 16px;}
  .hero-visual{gap:10px;}
  .piece{padding:18px 6px;font-size:14.5px;}
  .score-card{flex-direction:column;align-items:flex-start;}
  .qr-box{flex-direction:column;align-items:flex-start;}
  .float-tools{right:12px;bottom:16px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .hero-visual{animation:none;}
  .js .reveal{opacity:1;transform:none;transition:none;}
  .btn,.card,.stat-card,.pipe-step,.process-card,.case-card,.review,.news-card,.token-card,.friend-links a,.model-tags span{transition:none;}
}