*,*::before,*::after{box-sizing:border-box}
html{background:#f6f7fd;-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;font-size:16px;line-height:1.7;color:#0f172a;background:transparent}
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:
radial-gradient(620px 420px at 6% -4%,rgba(109,94,252,.16),transparent 66%),
radial-gradient(620px 440px at 96% 4%,rgba(0,194,209,.15),transparent 68%),
radial-gradient(760px 520px at 50% 104%,rgba(227,79,143,.10),transparent 70%),
#f6f7fd}
img{max-width:100%}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.9);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid #e6eaf5}
.site-header::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#6d5efc,#00c2d1,#ff5fa2,#ffd166,#6d5efc);background-size:300% 100%;animation:hue 9s linear infinite}
@keyframes hue{to{background-position:300% 0}}
.header-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:66px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand .ai-page-logo{width:34px;height:auto;max-height:34px;display:block;object-fit:contain}
.brand-text{font-size:18px;font-weight:800;letter-spacing:.6px;color:#111c33;white-space:nowrap}
.brand-text em{font-style:normal;background:linear-gradient(96deg,#5b4df0,#0b8fb5);-webkit-text-fill-color:transparent}
.nav{display:flex;align-items:center;gap:14px}
.nav-links{display:flex;align-items:center;gap:0}
.nav-links a{display:block;padding:9px 12px;font-size:14px;color:#3a465c;border-radius:9px;transition:color .2s,background .2s;white-space:nowrap}
.nav-links a:hover{color:#4b3ce0;background:#f0f0ff}
.nav-toggle{display:none;width:42px;height:38px;border:1px solid #e0e5f2;border-radius:10px;background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#33405a;transition:.25s}
.nav-toggle.active span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:none;border-radius:12px;font-weight:600;font-size:15px;padding:11px 22px;cursor:pointer;transition:transform .2s,box-shadow .25s,background .25s;line-height:1.4}
.btn-primary{background:linear-gradient(120deg,#5b4df0,#0b8fb5);color:#fff;box-shadow:0 10px 24px -10px rgba(91,77,240,.75)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px -12px rgba(91,77,240,.85)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:#26334d;border:1px solid #dfe5f2;box-shadow:0 6px 18px -12px rgba(16,28,52,.5)}
.btn-ghost:hover{transform:translateY(-2px);border-color:#c6cdfa;color:#4b3ce0}
.btn-lg{padding:14px 30px;font-size:16px;border-radius:14px}
.btn-block{width:100%;padding:14px 22px}
.nav-cta{padding:9px 18px;font-size:14px;border-radius:11px}

/* ---------- hero ---------- */
.hero{position:relative;padding:60px 0 70px;overflow:hidden}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:#4b3ce0;background:#eef0ff;border:1px solid #dfe2ff;padding:6px 14px;border-radius:999px}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:linear-gradient(120deg,#5b4df0,#00c2d1);box-shadow:0 0 0 4px rgba(91,77,240,.13)}
.hero h1{margin:20px 0 18px;font-size:44px;line-height:1.25;letter-spacing:-.5px;color:#0b1428;font-weight:800}
.hero h1 span{background:linear-gradient(96deg,#5b4df0 10%,#0b8fb5 60%,#e34f8f 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-lead{font-size:16px;color:#41506a;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:26px}
.hero-points li{position:relative;padding-left:20px;font-size:14px;color:#4a5772}
.hero-points li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:3px;background:linear-gradient(120deg,#5b4df0,#00c2d1)}
.hero-visual{position:relative;width:100%;max-width:420px;aspect-ratio:1/1;margin:0 auto}
.orbit{position:absolute;inset:8%;border-radius:50%;border:1px solid rgba(91,77,240,.22)}
.orbit-2{inset:21%;border-style:dashed;border-color:rgba(11,143,181,.26);animation:spin 34s linear infinite}
.orbit-3{inset:33%;border-color:rgba(227,79,143,.18);animation:spin 22s linear infinite reverse}
@keyframes spin{to{transform:rotate(360deg)}}
.hero-core{position:absolute;inset:38%;border-radius:50%;background:linear-gradient(135deg,#5b4df0,#0b8fb5 55%,#e34f8f);display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;box-shadow:0 22px 46px -22px rgba(91,77,240,.85);animation:breathe 5.6s ease-in-out infinite}
.hero-core strong{font-size:24px;letter-spacing:1px}
.hero-core em{font-style:normal;font-size:11px;opacity:.92;letter-spacing:.5px}
@keyframes breathe{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}
.pill{position:absolute;padding:6px 13px;font-size:12.5px;font-weight:600;color:#2b3a57;background:#fff;border:1px solid #e3e8f5;border-radius:999px;box-shadow:0 10px 22px -16px rgba(16,28,52,.8);animation:float 6s ease-in-out infinite}
.p1{top:4%;left:8%}
.p2{top:1%;right:10%;animation-delay:.8s}
.p3{top:38%;left:-2%;animation-delay:1.6s}
.p4{top:34%;right:-2%;animation-delay:2.3s}
.p5{bottom:12%;left:6%;animation-delay:3s}
.p6{bottom:7%;right:8%;animation-delay:3.7s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}

/* ---------- stats ---------- */
.stats-bar{margin-top:6px;border-top:1px solid #e8ecf7;border-bottom:1px solid #e8ecf7;background:rgba(255,255,255,.6)}
.stats-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding-top:26px;padding-bottom:26px}
.stat{text-align:center;padding:4px 8px;border-right:1px solid rgba(227,232,242,.9)}
.stat:last-child{border-right:none}
.stat strong{display:block;font-size:24px;font-weight:800;letter-spacing:-.3px;color:#16223c}
.stat span{display:block;font-size:13px;color:#5a6884;margin-top:2px}

/* ---------- section base ---------- */
.section{padding:72px 0}
.section-alt{background:rgba(255,255,255,.66);border-top:1px solid #eaeef8;border-bottom:1px solid #eaeef8}
.section-head{max-width:760px;margin-bottom:38px}
.kicker{display:inline-block;font-size:13px;font-weight:700;letter-spacing:1.5px;color:#5b4df0;text-transform:uppercase;margin-bottom:10px}
.kicker::after{content:"";display:block;width:38px;height:3px;border-radius:3px;margin-top:8px;background:linear-gradient(90deg,#5b4df0,#00c2d1,#e34f8f)}
.section-head h2{font-size:32px;line-height:1.35;letter-spacing:-.3px;color:#0d172e;font-weight:800}
.section-desc{margin-top:14px;color:#4a5872;font-size:15.5px}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:start}
.about-copy{background:#fff;border:1px solid #e6eaf5;border-radius:20px;padding:30px 30px 28px;box-shadow:0 24px 48px -40px rgba(16,28,52,.55)}
.about-copy p{color:#42506a;font-size:15.5px}
.about-copy p+p{margin-top:16px}
.about-copy .about-hi{display:block;margin-top:20px;padding-top:18px;border-top:1px dashed #e3e8f4;font-size:14px;color:#5b4df0;font-weight:600}
.cap-list{display:grid;gap:12px}
.cap-item{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid #e6eaf5;border-radius:16px;padding:15px 18px;transition:transform .25s,box-shadow .25s,border-color .25s}
.cap-item:hover{transform:translateY(-3px);border-color:#d6dcf7;box-shadow:0 20px 34px -28px rgba(16,28,52,.7)}
.cap-item b{flex:0 0 auto;width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,#5b4df0,#0b8fb5);color:#fff;font-size:13px;display:flex;align-items:center;justify-content:center;font-weight:700}
.cap-item h3{font-size:15px;color:#16223c;font-weight:700;margin-bottom:2px}
.cap-item p{font-size:13.5px;color:#5c6a85;line-height:1.6}

/* ---------- service cards ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.svc-card{position:relative;background:#fff;border:1px solid #e6eaf5;border-radius:18px;padding:24px 22px;overflow:hidden;transition:transform .28s,box-shadow .28s,border-color .28s}
.svc-card::after{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,#5b4df0,#00c2d1,#e34f8f);opacity:0;transition:opacity .28s}
.svc-card:hover{transform:translateY(-5px);border-color:#d7ddf8;box-shadow:0 26px 46px -34px rgba(16,28,52,.75)}
.svc-card:hover::after{opacity:1}
.svc-card h3{font-size:16.5px;color:#111c33;font-weight:800;margin-bottom:10px}
.svc-card p{font-size:13.8px;color:#54637e;line-height:1.68}
.tag-cloud{margin-top:32px;background:#fff;border:1px solid #e6eaf5;border-radius:18px;padding:22px 24px}
.tag-cloud-title{display:block;font-size:14px;font-weight:700;color:#26334d;margin-bottom:14px}
.tag-cloud-list{display:flex;flex-wrap:wrap;gap:9px}
.tag-cloud-list span{font-size:13px;color:#3f4e69;background:#f4f6fd;border:1px solid #e6eaf5;border-radius:999px;padding:6px 13px;transition:.22s}
.tag-cloud-list span:hover{background:#eef0ff;border-color:#d5dafb;color:#4b3ce0;transform:translateY(-2px)}

/* ---------- one-stop ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.flow-card{background:#fff;border:1px solid #e6eaf5;border-radius:18px;padding:26px 26px 24px;transition:transform .28s,box-shadow .28s}
.flow-card:hover{transform:translateY(-4px);box-shadow:0 26px 44px -34px rgba(16,28,52,.7)}
.flow-card h3{font-size:17px;color:#111c33;font-weight:800;display:flex;align-items:center;gap:10px;margin-bottom:14px}
.flow-card h3 i{width:8px;height:18px;border-radius:4px;background:linear-gradient(180deg,#5b4df0,#0b8fb5);font-style:normal}
.flow-card ul{display:grid;gap:8px}
.flow-card li{position:relative;padding-left:18px;font-size:14px;color:#4c5a75}
.flow-card li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:#9aa7e8}

/* ---------- solutions ---------- */
.sol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.sol-item{background:#fff;border:1px solid #e6eaf5;border-radius:16px;padding:22px 22px 20px;transition:transform .25s,box-shadow .25s,border-color .25s}
.sol-item:hover{transform:translateY(-4px);border-color:#d7ddf8;box-shadow:0 22px 40px -32px rgba(16,28,52,.7)}
.sol-item h3{font-size:16px;font-weight:800;color:#16223c;margin-bottom:8px}
.sol-item p{font-size:13.8px;color:#54637e;line-height:1.66}

/* ---------- network ---------- */
.net-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px;align-items:start}
.net-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.net-card{background:#fff;border:1px solid #e6eaf5;border-radius:16px;padding:20px 20px 18px;transition:transform .25s,box-shadow .25s}
.net-card:hover{transform:translateY(-3px);box-shadow:0 20px 36px -30px rgba(16,28,52,.7)}
.net-card h3{font-size:14px;color:#5b4df0;font-weight:700;margin-bottom:6px;letter-spacing:.4px}
.net-card p{font-size:14px;color:#33415c;word-break:break-all}
.net-card p+p{margin-top:4px}
.qr-card{background:#fff;border:1px solid #e6eaf5;border-radius:18px;padding:24px;text-align:center;box-shadow:0 26px 48px -40px rgba(16,28,52,.6)}
.qr-box{width:158px;margin:14px auto 12px;padding:8px;background:#f7f8ff;border:1px solid #e9edf9;border-radius:14px}
.qr-box img{display:block;width:100%;height:auto;border-radius:8px}
.qr-card h3{font-size:15px;color:#16223c;font-weight:800}
.qr-card span{display:block;font-size:13px;color:#64738f;margin-top:6px}

/* ---------- process ---------- */
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;position:relative}
.step{background:#fff;border:1px solid #e6eaf5;border-radius:16px;padding:22px 18px;transition:transform .25s,box-shadow .25s,border-color .25s}
.step:hover{transform:translateY(-4px);border-color:#d7ddf8;box-shadow:0 22px 40px -32px rgba(16,28,52,.7)}
.step b{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:11px;background:#eef0ff;color:#4b3ce0;font-size:14px;font-weight:800;margin-bottom:12px}
.step h3{font-size:15px;font-weight:800;color:#16223c;margin-bottom:6px}
.step p{font-size:13.4px;color:#55647f;line-height:1.62}

/* ---------- cases ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.case-card{background:#fff;border:1px solid #e6eaf5;border-radius:18px;overflow:hidden;transition:transform .28s,box-shadow .28s}
.case-card:hover{transform:translateY(-5px);box-shadow:0 28px 48px -34px rgba(16,28,52,.75)}
.case-media{aspect-ratio:4/3;background:linear-gradient(135deg,#f2f4fd,#eef7fa);display:flex;align-items:center;justify-content:center;padding:10px}
.case-media img{display:block;width:100%;height:100%;object-fit:contain;border-radius:10px}
.case-body{padding:18px 20px 20px}
.case-body h3{font-size:15.5px;font-weight:800;color:#16223c;margin-bottom:6px}
.case-body p{font-size:13.5px;color:#55647f;line-height:1.62}

/* ---------- compare ---------- */
.rate-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:26px}
.rate-card{background:#fff;border:1px solid #e6eaf5;border-radius:18px;padding:24px;text-align:center;box-shadow:0 24px 44px -40px rgba(16,28,52,.6)}
.rate-label{display:block;font-size:13.5px;color:#63718c;margin-bottom:8px}
.stars{font-size:22px;letter-spacing:3px;color:#f5a623}
.rate-score{display:block;font-size:34px;font-weight:800;line-height:1.2;background:linear-gradient(120deg,#5b4df0,#0b8fb5);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.table-wrap{overflow-x:auto;background:#fff;border:1px solid #e6eaf5;border-radius:18px;box-shadow:0 24px 44px -40px rgba(16,28,52,.6)}
table{width:100%;border-collapse:collapse;min-width:780px;font-size:14px}
thead th{background:#f3f5ff;color:#2b3a55;font-weight:700;text-align:left;padding:15px 16px;white-space:nowrap;border-bottom:1px solid #e8ecf7}
tbody td{padding:14px 16px;border-bottom:1px solid #eef1f9;color:#4a5872;vertical-align:top}
tbody tr:last-child td{border-bottom:none}
tbody td:first-child{font-weight:700;color:#1a2740;white-space:nowrap}
.col-best{background:linear-gradient(180deg,rgba(109,94,252,.075),rgba(0,194,209,.055));color:#233b60;font-weight:600}

/* ---------- token ---------- */
.token-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.token-card{background:#fff;border:1px solid #e6eaf5;border-radius:16px;padding:22px 20px;transition:transform .25s,box-shadow .25s}
.token-card:hover{transform:translateY(-4px);box-shadow:0 22px 40px -32px rgba(16,28,52,.7)}
.token-card h3{font-size:15px;font-weight:800;color:#16223c;margin-bottom:8px}
.token-card p{font-size:13.6px;color:#55647f;line-height:1.66}
.token-note{margin-top:20px;font-size:13.5px;color:#5b6b88;background:rgba(255,255,255,.7);border:1px dashed #d9e0f4;border-radius:14px;padding:14px 18px}

/* ---------- reviews ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.review-card{background:#fff;border:1px solid #e6eaf5;border-radius:18px;padding:24px 22px;display:flex;flex-direction:column;gap:12px;transition:transform .25s,box-shadow .25s}
.review-card:hover{transform:translateY(-4px);box-shadow:0 26px 44px -34px rgba(16,28,52,.7)}
.review-card p{font-size:14px;color:#3f4e69;line-height:1.75;flex:1}
.review-meta{display:flex;align-items:center;gap:10px;padding-top:12px;border-top:1px dashed #e8ecf7}
.review-meta b{font-size:13.5px;color:#16223c;font-weight:700}
.review-meta span{font-size:12.5px;color:#77859e}

/* ---------- articles ---------- */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.article-card{display:flex;flex-direction:column;gap:8px;background:#fff;border:1px solid #e6eaf5;border-radius:16px;padding:22px 22px 20px;transition:transform .25s,box-shadow .25s,border-color .25s}
.article-card:hover{transform:translateY(-4px);border-color:#d7ddf8;box-shadow:0 22px 40px -32px rgba(16,28,52,.7)}
.article-card h3{font-size:15.5px;font-weight:800;color:#16223c;line-height:1.5}
.article-card p{font-size:13.5px;color:#5a6884}
.article-card em{font-style:normal;font-size:13px;color:#5b4df0;font-weight:600}
.help-strip{margin-top:22px;display:flex;flex-wrap:wrap;gap:12px}
.help-strip a{font-size:13.5px;color:#3f4e69;background:#fff;border:1px solid #e6eaf5;border-radius:999px;padding:9px 18px;transition:.22s}
.help-strip a:hover{color:#4b3ce0;border-color:#d5dafb;background:#f5f6ff;transform:translateY(-2px)}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;align-items:start}
.faq-item{background:#fff;border:1px solid #e6eaf5;border-radius:14px;overflow:hidden;transition:border-color .25s,box-shadow .25s}
.faq-item.open{border-color:#d3d9f8;box-shadow:0 22px 40px -34px rgba(16,28,52,.7)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;text-align:left;padding:17px 20px;background:none;border:none;font-size:15px;font-weight:600;color:#16223c;cursor:pointer}
.faq-q i{flex:0 0 auto;position:relative;width:16px;height:16px}
.faq-q i::before,.faq-q i::after{content:"";position:absolute;background:#5b4df0;border-radius:2px;transition:transform .28s}
.faq-q i::before{left:0;top:7px;width:16px;height:2px}
.faq-q i::after{left:7px;top:0;width:2px;height:16px}
.faq-item.open .faq-q i::after{transform:scaleY(0)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease}
.faq-a>div{overflow:hidden}
.faq-a p{padding:0 20px 18px;font-size:14px;color:#4c5a75;line-height:1.75}
.faq-item.open .faq-a{grid-template-rows:1fr}

/* ---------- join ---------- */
.join-box{background:linear-gradient(120deg,#1a1f3d,#20244a 46%,#123244);border-radius:22px;padding:42px 40px;display:grid;grid-template-columns:1.35fr .65fr;gap:26px;align-items:center;box-shadow:0 34px 60px -44px rgba(16,28,52,.95)}
.join-box h2{color:#fff;font-size:27px;line-height:1.4;font-weight:800}
.join-box p{color:#c3cbe6;font-size:14.5px;margin-top:12px}
.join-actions{display:flex;flex-direction:column;gap:12px}
.join-actions .btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.24);color:#f2f5ff;box-shadow:none}
.join-actions .btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:24px;align-items:start}
.contact-side{background:#fff;border:1px solid #e6eaf5;border-radius:20px;padding:28px;box-shadow:0 24px 48px -42px rgba(16,28,52,.6)}
.contact-side h3{font-size:17px;font-weight:800;color:#16223c;margin-bottom:12px}
.contact-side p{font-size:14px;color:#4c5a75;line-height:1.75}
.contact-side ul{margin-top:16px;display:grid;gap:10px}
.contact-side li{display:flex;gap:10px;font-size:13.8px;color:#41506a}
.contact-side li b{flex:0 0 62px;color:#5b4df0;font-weight:700}
.contact-form{background:#fff;border:1px solid #e6eaf5;border-radius:20px;padding:28px;box-shadow:0 28px 52px -44px rgba(16,28,52,.65)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:block;margin-bottom:16px}
.field>span{display:block;font-size:13.5px;font-weight:600;color:#33415c;margin-bottom:7px}
.field>span em{color:#e34f8f;font-style:normal;margin-left:2px}
.field input,.field select,.field textarea{width:100%;font-family:inherit;font-size:14.5px;color:#16223c;background:#f8f9fe;border:1px solid #e1e6f3;border-radius:11px;padding:12px 14px;outline:none;transition:border-color .2s,box-shadow .2s,background .2s}
.field input:focus,.field select:focus,.field textarea:focus{background:#fff;border-color:#a9a4f5;box-shadow:0 0 0 4px rgba(91,77,240,.12)}
.field textarea{resize:vertical;min-height:112px}
.form-tip{margin-top:12px;font-size:12.8px;color:#77859e;text-align:center}

/* ---------- footer ---------- */
.site-footer{margin-top:8px;background:linear-gradient(180deg,#151d33,#0c1322);color:#c6cfe6;border-top:3px solid transparent;border-image:linear-gradient(90deg,#6d5efc,#00c2d1,#ff5fa2,#ffd166) 1}
.footer-top{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:30px;padding-top:48px;padding-bottom:34px}
.footer-brand .brand{margin-bottom:14px}
.footer-brand .brand-text{color:#f4f7ff}
.footer-brand p{font-size:13.6px;color:#98a5c2;line-height:1.75;max-width:280px}
.ai-page-home-link{display:inline-block;margin-top:14px;font-size:13.5px;color:#9fb0ff;border-bottom:1px solid rgba(159,176,255,.4);padding-bottom:2px;transition:.22s}
.ai-page-home-link:hover{color:#fff;border-color:#fff}
.footer-col h3{font-size:14px;color:#eef2ff;font-weight:700;margin-bottom:14px}
.footer-col ul{display:grid;gap:9px}
.footer-col li{font-size:13.4px;color:#98a5c2;word-break:break-all}
.footer-col a{color:#a9b6d4;transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:18px;padding-bottom:22px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center}
.footer-bottom p{font-size:12.8px;color:#8593b0}

/* ---------- floating ---------- */
.float-tools{position:fixed;right:20px;bottom:24px;z-index:90;display:flex;flex-direction:column;gap:10px}
.float-btn{width:48px;height:48px;border-radius:14px;border:1px solid #e0e5f2;background:#fff;color:#4b3ce0;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 16px 30px -18px rgba(16,28,52,.7);transition:transform .22s,box-shadow .22s,opacity .22s}
.float-btn:hover{transform:translateY(-3px);box-shadow:0 22px 34px -18px rgba(16,28,52,.75)}
.float-service{background:linear-gradient(120deg,#5b4df0,#0b8fb5);border-color:transparent;color:#fff}
.float-btn svg{width:22px;height:22px;display:block}
.float-top{opacity:0;pointer-events:none}
.float-top.show{opacity:1;pointer-events:auto}
.service-panel{position:fixed;right:20px;bottom:86px;z-index:91;width:250px;background:#fff;border:1px solid #e6eaf5;border-radius:18px;box-shadow:0 30px 60px -30px rgba(16,28,52,.55);padding:20px;opacity:0;transform:translateY(12px);pointer-events:none;transition:.26s}
.service-panel.show{opacity:1;transform:none;pointer-events:auto}
.service-panel h3{font-size:15px;font-weight:800;color:#16223c;text-align:center}
.service-panel .qr-box{width:132px;margin:12px auto}
.service-panel ul{display:grid;gap:7px;margin-top:10px}
.service-panel li{font-size:12.8px;color:#4c5a75;text-align:center;word-break:break-all}

/* ---------- reveal ---------- */
.js-reveal{opacity:0;transform:translateY(20px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.js-reveal.is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .token-grid{grid-template-columns:repeat(2,1fr)}
  .review-grid{grid-template-columns:repeat(2,1fr)}
  .case-grid{grid-template-columns:repeat(2,1fr)}
  .article-grid{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:repeat(3,1fr)}
  .footer-top{grid-template-columns:1fr 1fr}
}
@media (max-width:960px){
  .nav-toggle{display:flex}
  .nav{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:8px;background:#fff;border-bottom:1px solid #e6eaf5;box-shadow:0 22px 38px -26px rgba(16,28,52,.5);padding:14px 24px 20px;display:none}
  .nav.open{display:flex}
  .nav-links{flex-direction:column;align-items:stretch;width:100%}
  .nav-links a{padding:11px 10px;border-radius:9px}
  .nav-cta{margin-top:6px}
  .hero-inner{grid-template-columns:1fr;gap:0}
  .hero-visual{display:none}
  .hero h1{font-size:36px}
  .about-grid,.net-grid,.contact-grid,.join-box{grid-template-columns:1fr}
  .sol-grid{grid-template-columns:repeat(2,1fr)}
  .faq-grid{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:1fr}
  .join-box{padding:32px 26px}
}
@media (max-width:720px){
  .section{padding:52px 0}
  .section-head h2{font-size:25px}
  .hero{padding:44px 0 52px}
  .hero h1{font-size:29px}
  .hero-lead{font-size:15px}
  .stats-inner{grid-template-columns:repeat(2,1fr);gap:20px 12px}
  .stat{border-right:none}
  .svc-grid,.sol-grid,.case-grid,.article-grid,.review-grid,.token-grid,.net-list{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr}
  .rate-cards{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr;gap:24px;padding-top:38px}
  .about-copy,.contact-side,.contact-form{padding:22px}
  .btn-lg{padding:13px 22px;font-size:15px}
  .hero-actions{width:100%}
  .hero-actions .btn{flex:1 1 auto}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}