:root{
  --ink:#14122b;
  --ink-2:#4a4769;
  --ink-3:#6b6787;
  --paper:#fdfaf4;
  --red:#ff3b1f;
  --amber:#ffcc2f;
  --violet:#5b2bff;
  --mint:#00b894;
  --pink:#ff6bb5;
  --line:rgba(20,18,43,.16);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:86px;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-2);
  background-color:var(--paper);
  background-image:
    radial-gradient(circle at 8% 3%, rgba(255,204,47,.34), transparent 36%),
    radial-gradient(circle at 94% 1%, rgba(255,59,31,.16), transparent 34%),
    radial-gradient(circle at 50% 42%, rgba(91,43,255,.07), transparent 58%),
    linear-gradient(180deg,#fdfaf4 0%,#faf4e8 62%,#fdfaf4 100%);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{color:var(--ink);margin:0;line-height:1.25;font-weight:800;letter-spacing:.01em;}
p{margin:0;}
a{color:var(--ink);}
img{border:0;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
.section{padding:62px 0;}
.section-head{max-width:800px;margin-bottom:34px;}
.section-head h2{font-size:clamp(24px,3.2vw,36px);margin-bottom:12px;}
.section-head p{font-size:15.5px;color:var(--ink-2);}
.kicker{display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.08em;color:var(--ink);background:var(--amber);padding:5px 14px;border-radius:999px;border:2px solid var(--ink);margin-bottom:14px;}
.kicker-violet{background:var(--violet);color:#fff;border-color:var(--violet);}
.kicker-red{background:var(--red);color:#fff;border-color:var(--red);}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:12px;font-size:15px;font-weight:800;text-decoration:none;border:2px solid var(--ink);cursor:pointer;font-family:inherit;transition:transform .2s ease,box-shadow .2s ease,background .2s ease;}
.btn-solid{background:var(--ink);color:#fff;box-shadow:5px 5px 0 var(--red);}
.btn-solid:hover{transform:translate(-2px,-2px);box-shadow:8px 8px 0 var(--red);}
.btn-ghost{background:#fff;color:var(--ink);box-shadow:5px 5px 0 rgba(20,18,43,.16);}
.btn-ghost:hover{transform:translate(-2px,-2px);box-shadow:8px 8px 0 rgba(20,18,43,.22);background:var(--amber);}
.btn-amber{background:var(--amber);color:var(--ink);box-shadow:5px 5px 0 rgba(255,59,31,.85);}
.btn-amber:hover{transform:translate(-2px,-2px);box-shadow:8px 8px 0 rgba(255,59,31,.9);}
.btn-lg{padding:16px 34px;font-size:17px;border-radius:14px;}
.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s ease,transform .7s ease;}
.reveal.in{opacity:1;transform:none;}

/* header */
.site-header{position:sticky;top:0;z-index:200;background:rgba(253,250,244,.95);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:2px solid var(--ink);}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:66px;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto;}
.brand-logo{display:block;flex:0 0 auto;}
.ai-page-logo{display:block;max-height:42px;width:auto;max-width:100%;height:auto;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:16px;font-weight:900;color:var(--ink);letter-spacing:.04em;}
.brand-sub{font-size:11px;color:var(--ink-3);letter-spacing:.12em;}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:nowrap;}
.nav-links a{display:block;padding:8px 9px;font-size:13.5px;font-weight:700;color:var(--ink);text-decoration:none;border-radius:8px;white-space:nowrap;transition:background .2s ease,color .2s ease;}
.nav-links a:hover{background:var(--amber);color:var(--ink);}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-cta{padding:9px 18px;font-size:13.5px;border-radius:10px;background:var(--ink);color:#fff;text-decoration:none;font-weight:800;border:2px solid var(--ink);box-shadow:3px 3px 0 var(--red);transition:transform .2s ease,box-shadow .2s ease;}
.nav-cta:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--red);}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:40px;padding:0 10px;border:2px solid var(--ink);border-radius:10px;background:#fff;cursor:pointer;}
.nav-toggle span{display:block;height:2px;width:100%;background:var(--ink);border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
.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:64px 0 58px;}
.hero::before{content:"";position:absolute;top:-120px;right:-80px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(255,59,31,.30),rgba(255,59,31,0) 70%);animation:drift 10s ease-in-out infinite;}
.hero::after{content:"";position:absolute;bottom:-140px;left:-110px;width:320px;height:320px;border-radius:60px;background:linear-gradient(135deg,rgba(91,43,255,.20),rgba(0,184,148,.18));animation:drift 13s ease-in-out infinite reverse;}
@keyframes drift{0%,100%{transform:translate3d(0,0,0);}50%{transform:translate3d(0,-22px,0);}}
.hero-inner{position:relative;z-index:1;}
.pill{display:inline-flex;align-items:center;gap:8px;background:#fff;border:2px solid var(--ink);border-radius:999px;padding:6px 16px;font-size:12.5px;font-weight:800;letter-spacing:.06em;color:var(--ink);box-shadow:4px 4px 0 rgba(91,43,255,.18);margin-bottom:20px;}
.pill::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--red);}
.hero h1{font-size:clamp(32px,5vw,60px);line-height:1.16;letter-spacing:-.01em;margin-bottom:20px;max-width:900px;}
.hl{box-shadow:inset 0 -0.34em 0 var(--amber);padding:0 2px;}
.hero-lead{font-size:clamp(15px,1.6vw,17.5px);color:var(--ink-2);max-width:780px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 26px;list-style:none;margin:26px 0 0;padding:0;}
.hero-points li{position:relative;padding-left:20px;font-size:14px;font-weight:700;color:var(--ink-2);}
.hero-points li::before{content:"";position:absolute;left:0;top:8px;width:9px;height:9px;border-radius:3px;background:var(--mint);}
.hero-points li:nth-child(2)::before{background:var(--red);}
.hero-points li:nth-child(3)::before{background:var(--violet);}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:46px;}
.metric{background:#fff;border:2px solid var(--ink);border-radius:14px;padding:18px 16px;box-shadow:5px 5px 0 rgba(20,18,43,.12);transition:transform .25s ease,box-shadow .25s ease;}
.metric:hover{transform:translate(-2px,-2px);box-shadow:8px 8px 0 rgba(20,18,43,.16);}
.metric strong{display:block;font-size:clamp(23px,3vw,32px);font-weight:900;color:var(--ink);line-height:1.1;}
.metric span{display:block;font-size:13px;color:var(--ink-3);margin-top:6px;}
.metric:nth-child(1) strong{color:var(--red);}
.metric:nth-child(2) strong{color:var(--violet);}
.metric:nth-child(3) strong{color:#00806a;}
.metric:nth-child(4) strong{color:#b8860b;}

/* about */
.about-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:42px;align-items:start;}
.about-copy p{font-size:15.5px;margin-bottom:14px;}
.about-copy .btn{margin-top:10px;}
.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.feature{background:#fff;border:2px solid var(--ink);border-radius:14px;padding:16px 16px 14px;box-shadow:4px 4px 0 rgba(20,18,43,.10);transition:transform .25s ease,box-shadow .25s ease;}
.feature:hover{transform:translate(-2px,-2px);box-shadow:7px 7px 0 rgba(20,18,43,.15);}
.feature h3{font-size:15px;margin-bottom:6px;}
.feature p{font-size:13.5px;color:var(--ink-3);line-height:1.65;}

/* cards */
.card{background:#fff;border:2px solid var(--ink);border-top:6px solid var(--tone,var(--ink));border-radius:16px;padding:22px;box-shadow:5px 5px 0 rgba(20,18,43,.11);transition:transform .25s ease,box-shadow .25s ease;}
.card:hover{transform:translate(-2px,-3px);box-shadow:8px 9px 0 rgba(20,18,43,.17);}
.card h3{font-size:17px;margin-bottom:8px;}
.card p{font-size:14px;color:var(--ink-2);}
.tone-red{--tone:#ff3b1f;}
.tone-amber{--tone:#ffcc2f;}
.tone-violet{--tone:#5b2bff;}
.tone-mint{--tone:#00b894;}
.tone-pink{--tone:#ff6bb5;}
.tone-blue{--tone:#2b7cff;}
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(258px,1fr));gap:18px;}
.grid-4{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;}

/* tag cloud */
.tag-block{margin-top:30px;background:#fff;border:2px solid var(--ink);border-radius:16px;padding:22px;box-shadow:5px 5px 0 rgba(91,43,255,.14);}
.tag-block h3{font-size:16px;margin-bottom:14px;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;}
.tag-cloud span{display:inline-block;padding:6px 14px;font-size:13.5px;font-weight:700;color:var(--ink);background:#faf4e8;border:2px solid var(--line);border-radius:999px;transition:background .2s ease,border-color .2s ease,transform .2s ease;}
.tag-cloud span:hover{background:var(--amber);border-color:var(--ink);transform:translateY(-2px);}

/* solutions */
.solution{border-radius:16px;padding:22px;background:#fff;border:2px solid var(--ink);box-shadow:5px 5px 0 rgba(20,18,43,.10);transition:transform .25s ease,box-shadow .25s ease;}
.solution:hover{transform:translate(-2px,-3px);box-shadow:8px 9px 0 rgba(20,18,43,.16);}
.solution h3{font-size:17px;margin-bottom:8px;display:flex;align-items:center;gap:10px;}
.solution h3::before{content:"";width:10px;height:10px;border-radius:3px;background:var(--tone,var(--ink));flex:0 0 auto;}
.solution p{font-size:14px;color:var(--ink-2);}

/* process */
.process-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:14px;}
.process-step{background:#fff;border:2px solid var(--ink);border-radius:14px;padding:20px 16px;box-shadow:4px 4px 0 rgba(20,18,43,.10);transition:transform .25s ease,box-shadow .25s ease;}
.process-step:hover{transform:translate(-2px,-2px);box-shadow:7px 7px 0 rgba(20,18,43,.16);}
.step-num{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:11px;background:var(--amber);border:2px solid var(--ink);font-weight:900;font-size:13.5px;color:var(--ink);margin-bottom:12px;}
.process-step:nth-child(2) .step-num{background:var(--red);color:#fff;}
.process-step:nth-child(3) .step-num{background:var(--violet);color:#fff;}
.process-step:nth-child(4) .step-num{background:var(--mint);color:#fff;}
.process-step:nth-child(5) .step-num{background:var(--ink);color:#fff;}
.process-step h3{font-size:15.5px;margin-bottom:6px;}
.process-step p{font-size:13.5px;color:var(--ink-3);}

/* cases */
.case-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px;}
.case-card{background:#fff;border:2px solid var(--ink);border-radius:16px;overflow:hidden;box-shadow:5px 5px 0 rgba(20,18,43,.11);transition:transform .25s ease,box-shadow .25s ease;}
.case-card:hover{transform:translate(-2px,-3px);box-shadow:8px 9px 0 rgba(20,18,43,.17);}
.case-media{aspect-ratio:4/3;background:linear-gradient(135deg,#f4ecdd,#fdfaf4);padding:10px;display:flex;align-items:center;justify-content:center;}
.case-media img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;display:block;border-radius:8px;}
.case-body{padding:18px 20px 22px;}
.case-body h3{font-size:16.5px;margin-bottom:6px;}
.case-body p{font-size:13.5px;color:var(--ink-2);}
.case-wide{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px;}
.case-wide figure{margin:0;background:#fff;border:2px solid var(--ink);border-radius:16px;padding:12px;box-shadow:5px 5px 0 rgba(20,18,43,.10);}
.ai-page-image{display:block;max-width:100%;height:auto;border-radius:10px;margin:0 auto;}

/* compare */
.compare-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:24px;align-items:start;}
.score-card{background:var(--ink);border:2px solid var(--ink);border-radius:18px;padding:28px 24px;color:#fdfaf4;box-shadow:7px 7px 0 rgba(255,59,31,.85);}
.score-card .kicker{margin-bottom:16px;}
.score-num{font-size:clamp(46px,7vw,64px);font-weight:900;line-height:1;color:#fff;letter-spacing:-.02em;}
.score-num span{font-size:20px;font-weight:700;color:rgba(253,250,244,.72);margin-left:4px;}
.stars{font-size:20px;letter-spacing:4px;color:var(--amber);margin:12px 0 8px;}
.score-card p{color:rgba(253,250,244,.88);font-size:14.5px;}
.score-card .btn{margin-top:18px;background:var(--amber);color:var(--ink);border-color:var(--amber);box-shadow:5px 5px 0 rgba(253,250,244,.28);}
.score-card .btn:hover{box-shadow:8px 8px 0 rgba(253,250,244,.34);}
.table-wrap{overflow-x:auto;background:#fff;border:2px solid var(--ink);border-radius:16px;box-shadow:5px 5px 0 rgba(20,18,43,.10);}
.compare-table{width:100%;border-collapse:collapse;min-width:620px;font-size:14.5px;}
.compare-table th,.compare-table td{padding:14px 16px;text-align:left;border-bottom:1px solid #ece5d8;color:var(--ink-2);}
.compare-table thead th{background:var(--ink);color:#fff;font-weight:800;font-size:14px;border-bottom:0;}
.compare-table tbody th{font-weight:800;color:var(--ink);background:#faf4e8;white-space:nowrap;}
.compare-table td:nth-child(2){background:#fff8e1;color:var(--ink);font-weight:700;}
.compare-table tbody tr:last-child th,.compare-table tbody tr:last-child td{border-bottom:0;}

/* token price */
.price-note{font-size:13px;color:var(--ink-3);margin-top:12px;}

/* match */
.match-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;}
.match-card{background:#fff;border:2px solid var(--ink);border-left:8px solid var(--tone,var(--ink));border-radius:14px;padding:22px;box-shadow:5px 5px 0 rgba(20,18,43,.10);}
.match-card h3{font-size:17px;margin-bottom:8px;}
.match-card p{font-size:14px;color:var(--ink-2);margin-bottom:14px;}
.match-card a{font-size:14px;font-weight:800;color:var(--violet);text-decoration:none;}
.match-card a:hover{text-decoration:underline;}

/* reviews */
.review-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(288px,1fr));gap:18px;}
.review{background:#fff;border:2px solid var(--ink);border-radius:16px;padding:22px;box-shadow:5px 5px 0 rgba(20,18,43,.10);display:flex;flex-direction:column;gap:14px;transition:transform .25s ease,box-shadow .25s ease;}
.review:hover{transform:translate(-2px,-3px);box-shadow:8px 9px 0 rgba(20,18,43,.16);}
.review-head{display:flex;align-items:center;gap:12px;}
.avatar{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;font-weight:900;font-size:16px;color:var(--ink);border:2px solid var(--ink);background:var(--amber);flex:0 0 auto;}
.review:nth-child(2) .avatar{background:var(--mint);color:#fff;}
.review:nth-child(3) .avatar{background:var(--violet);color:#fff;}
.review:nth-child(4) .avatar{background:var(--red);color:#fff;}
.review:nth-child(5) .avatar{background:var(--pink);color:var(--ink);}
.review:nth-child(6) .avatar{background:#2b7cff;color:#fff;}
.review-name{font-weight:800;color:var(--ink);font-size:14.5px;line-height:1.3;}
.review-role{font-size:12.5px;color:var(--ink-3);}
.review p{font-size:14.5px;color:var(--ink-2);}

/* faq */
.faq-list{max-width:920px;}
.faq-item{background:#fff;border:2px solid var(--ink);border-radius:14px;margin-bottom:12px;overflow:hidden;box-shadow:4px 4px 0 rgba(20,18,43,.08);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 20px;background:transparent;border:0;font-size:15.5px;font-weight:700;color:var(--ink);text-align:left;cursor:pointer;font-family:inherit;transition:background .2s ease;}
.faq-q:hover{background:#faf4e8;}
.faq-q i{position:relative;flex:0 0 22px;width:22px;height:22px;border-radius:50%;background:var(--amber);border:2px solid var(--ink);transition:transform .3s ease;font-style:normal;}
.faq-q i::before,.faq-q i::after{content:"";position:absolute;left:50%;top:50%;background:var(--ink);border-radius:2px;transform:translate(-50%,-50%);}
.faq-q i::before{width:10px;height:2px;}
.faq-q i::after{width:2px;height:10px;transition:opacity .3s ease;}
.faq-item.open .faq-q i{transform:rotate(180deg);}
.faq-item.open .faq-q i::after{opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a p{margin:0;padding:0 20px 18px;font-size:14.5px;color:var(--ink-2);}

/* wiki */
.wiki-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px;}
.wiki{background:#fff;border:2px dashed rgba(20,18,43,.42);border-radius:14px;padding:18px;transition:border-color .25s ease,transform .25s ease;}
.wiki:hover{border-color:var(--violet);transform:translateY(-3px);}
.wiki h3{font-size:15px;margin-bottom:6px;}
.wiki p{font-size:13.5px;color:var(--ink-3);}

/* news */
.news-list{display:grid;gap:12px;max-width:920px;}
.news-item{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 20px;background:#fff;border:2px solid var(--ink);border-radius:12px;text-decoration:none;box-shadow:4px 4px 0 rgba(20,18,43,.08);transition:transform .2s ease,box-shadow .2s ease,background .2s ease;}
.news-item:hover{transform:translate(-2px,-2px);box-shadow:7px 7px 0 rgba(20,18,43,.14);background:#fff8e1;}
.news-text{display:flex;flex-direction:column;gap:2px;}
.news-title{font-size:15px;font-weight:800;color:var(--ink);}
.news-desc{font-size:13px;color:var(--ink-3);}
.news-arrow{font-size:16px;font-weight:900;color:var(--red);flex:0 0 auto;}

/* join banner */
.join-banner{position:relative;overflow:hidden;background:radial-gradient(circle at 88% 12%,rgba(255,59,31,.42),transparent 52%),radial-gradient(circle at 6% 88%,rgba(91,43,255,.42),transparent 50%),#14122b;border:2px solid var(--ink);border-radius:20px;padding:38px 32px;display:grid;grid-template-columns:1.4fr .6fr;gap:26px;align-items:center;box-shadow:7px 7px 0 rgba(255,204,47,.8);}
.join-banner h2{color:#fff;font-size:clamp(22px,3vw,32px);margin-bottom:12px;}
.join-banner p{color:rgba(253,250,244,.86);font-size:15px;}
.join-banner .kicker{background:var(--amber);border-color:var(--amber);color:var(--ink);}
.join-actions{display:flex;flex-direction:column;gap:12px;}

/* contact */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:start;}
.form-card{background:#fff;border:2px solid var(--ink);border-radius:18px;padding:26px;box-shadow:6px 6px 0 rgba(20,18,43,.12);}
.form-card h3{font-size:19px;margin-bottom:6px;}
.form-card .form-tip{font-size:13.5px;color:var(--ink-3);margin-bottom:20px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field-full{grid-column:1 / -1;}
.field label{font-size:13px;font-weight:800;color:var(--ink);}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:2px solid #ded4c2;border-radius:10px;background:#fff;font-size:14.5px;color:var(--ink);font-family:inherit;transition:border-color .2s ease,box-shadow .2s ease;}
.field textarea{resize:vertical;min-height:110px;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(255,204,47,.55);}
.form-grid .btn{width:100%;}
.contact-info{background:var(--ink);border:2px solid var(--ink);border-radius:18px;padding:26px;color:#fdfaf4;box-shadow:6px 6px 0 rgba(255,59,31,.7);}
.contact-info h3{color:#fff;font-size:18px;margin-bottom:16px;}
.info-list{list-style:none;margin:0 0 20px;padding:0;display:grid;gap:10px;}
.info-list li{font-size:14px;color:rgba(253,250,244,.9);display:flex;gap:8px;flex-wrap:wrap;align-items:baseline;}
.info-list li b{color:#fff;font-weight:800;flex:0 0 auto;}
.info-list a{color:var(--amber);text-decoration:none;word-break:break-all;}
.info-list a:hover{text-decoration:underline;}
.qr-box{display:flex;flex-direction:column;align-items:center;gap:10px;padding-top:18px;border-top:1px solid rgba(253,250,244,.22);}
.qr-box img{display:block;width:100%;max-width:180px;height:auto;border-radius:10px;background:#fff;padding:6px;}
.qr-box span{font-size:13px;color:rgba(253,250,244,.86);}

/* footer */
.site-footer{background:#14122b;color:#fdfaf4;border-top:6px solid var(--red);margin-top:20px;padding:38px 0 22px;}
.footer-top{display:flex;justify-content:space-between;gap:32px;align-items:flex-start;flex-wrap:wrap;padding-bottom:24px;border-bottom:1px solid rgba(253,250,244,.18);}
.footer-brand strong{display:block;font-size:18px;color:#fff;letter-spacing:.05em;margin-bottom:6px;}
.footer-brand p{font-size:13.5px;color:rgba(253,250,244,.72);margin:0;}
.footer-links{max-width:660px;}
.footer-links span.footer-label{display:block;font-size:13px;font-weight:800;color:#fff;margin-bottom:10px;letter-spacing:.06em;}
.friend-links{display:flex;flex-wrap:wrap;gap:8px 18px;}
.friend-links a{font-size:13px;color:rgba(253,250,244,.78);text-decoration:none;transition:color .2s ease;}
.friend-links a:hover{color:var(--amber);}
.footer-bottom{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;padding-top:18px;font-size:13px;color:rgba(253,250,244,.66);}
.footer-bottom a{color:rgba(253,250,244,.86);text-decoration:none;}
.footer-bottom a:hover{color:var(--amber);}

/* float tools */
.float-tools{position:fixed;right:16px;bottom:20px;z-index:300;display:flex;flex-direction:column;gap:10px;}
.float-btn{display:grid;place-items:center;width:52px;height:52px;border-radius:14px;border:2px solid var(--ink);background:#fff;color:var(--ink);font-size:12.5px;font-weight:800;text-decoration:none;cursor:pointer;font-family:inherit;box-shadow:4px 4px 0 rgba(255,59,31,.75);transition:transform .2s ease,box-shadow .2s ease,background .2s ease;}
.float-btn:hover{transform:translate(-2px,-2px);box-shadow:7px 7px 0 rgba(255,59,31,.85);background:var(--amber);}
.to-top{opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .25s ease,transform .25s ease,visibility .25s ease,box-shadow .2s ease;}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}

/* responsive */
@media (max-width:1000px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .nav-links.open{display:flex;flex-direction:column;align-items:stretch;gap:0;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:2px solid var(--ink);padding:10px 20px 18px;box-shadow:0 20px 34px rgba(20,18,43,.16);}
  .nav-links.open a{padding:11px 10px;font-size:15px;border-radius:10px;}
  .about-grid{grid-template-columns:1fr;gap:28px;}
  .compare-grid{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .join-banner{grid-template-columns:1fr;}
  .join-actions{flex-direction:row;flex-wrap:wrap;}
  .process-list{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:760px){
  .section{padding:50px 0;}
  .hero{padding:50px 0 44px;}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .case-wide{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .footer-top{flex-direction:column;gap:22px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}
@media (max-width:480px){
  .feature-grid{grid-template-columns:1fr;}
  .process-list{grid-template-columns:1fr;}
  .brand-sub{display:none;}
  .float-btn{width:46px;height:46px;font-size:11.5px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}