:root{
  --ink:#141a33;
  --ink-2:#4a5375;
  --muted:#7b84a3;
  --brand:#4b46e8;
  --brand-2:#8b5cf6;
  --cyan:#1fc6e2;
  --line:#e7e9f6;
  --bg:#f4f6fd;
  --radius:18px;
  --shadow-sm:0 4px 16px rgba(28,34,80,.06);
  --shadow-md:0 12px 32px rgba(40,46,110,.10);
  --shadow-lg:0 22px 52px rgba(48,54,130,.16);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.7;
  color:var(--ink);
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 640px at 92% -6%, rgba(139,92,246,.18), rgba(139,92,246,0) 62%),
    radial-gradient(820px 580px at 0% 10%, rgba(31,198,226,.16), rgba(31,198,226,0) 62%),
    radial-gradient(1000px 760px at 50% 108%, rgba(75,70,232,.13), rgba(75,70,232,0) 65%);
  background-attachment:fixed;
  background-repeat:no-repeat;
}
h1,h2,h3,h4{color:var(--ink);font-weight:700}
p{margin-top:0}
a{color:var(--brand)}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 22px}
section[id]{scroll-margin-top:84px}
.section{padding:76px 0}
.section-head{max-width:790px;margin:0 auto 44px;text-align:center}
.section-head h2{font-size:clamp(23px,3vw,33px);line-height:1.32;letter-spacing:-.015em;margin:16px 0 12px}
.section-sub{margin:0;color:var(--ink-2);font-size:15.5px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.05em;color:#3f3ac9;background:linear-gradient(90deg,rgba(75,70,232,.12),rgba(31,198,226,.12));padding:6px 15px;border-radius:999px;border:1px solid rgba(75,70,232,.15)}
.card{background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:12px;font-size:15px;font-weight:600;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:transform .25s ease,box-shadow .25s ease,background .25s ease}
.btn-primary{background:linear-gradient(120deg,#4b46e8,#7b5cf5 55%,#1fc6e2);color:#fff;box-shadow:0 10px 24px rgba(75,70,232,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(75,70,232,.36)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:#3f3ac9;border-color:rgba(75,70,232,.28)}
.btn-ghost:hover{background:rgba(75,70,232,.07);transform:translateY(-2px)}
.btn-lg{padding:15px 32px;font-size:16px;border-radius:14px}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:10px}
.btn-block{width:100%}

/* header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.88);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(214,218,240,.85)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto}
.ai-page-logo{display:block;max-height:36px;width:auto}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.02em;color:var(--ink)}
.nav-links{display:flex;align-items:center;gap:0;list-style:none;margin:0;padding:0;flex-wrap:nowrap}
.nav-link{display:block;padding:9px 12px;font-size:14px;color:#39406a;text-decoration:none;border-radius:9px;white-space:nowrap;transition:color .2s ease,background .2s ease}
.nav-link:hover{color:var(--brand);background:rgba(75,70,232,.08)}
.header-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{display:none;width:42px;height:38px;border:1px solid var(--line);background:#fff;border-radius:10px;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:#39406a;border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.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)}

/* hero */
.hero{position:relative;overflow:hidden;padding:72px 0 84px}
.hero-orb{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5;pointer-events:none;z-index:0}
.hero-orb.o1{width:420px;height:420px;background:radial-gradient(circle,#b6a4ff,#8b5cf6 60%,rgba(139,92,246,0) 72%);top:-130px;right:-90px;animation:floatA 15s ease-in-out infinite}
.hero-orb.o2{width:360px;height:360px;background:radial-gradient(circle,#93f1ff,#1fc6e2 60%,rgba(31,198,226,0) 72%);bottom:-150px;left:-100px;animation:floatB 17s ease-in-out infinite}
@keyframes floatA{0%,100%{transform:translate(0,0)}50%{transform:translate(-26px,26px)}}
@keyframes floatB{0%,100%{transform:translate(0,0)}50%{transform:translate(24px,-22px)}}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero-copy h1{font-size:clamp(30px,4.2vw,50px);line-height:1.16;letter-spacing:-.025em;margin:18px 0 16px}
.hero-lead{font-size:clamp(15px,1.4vw,17px);color:var(--ink-2);max-width:610px;margin:0 0 28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;list-style:none;margin:0;padding:0}
.hero-tags li{font-size:13px;color:#40498c;background:rgba(255,255,255,.82);border:1px solid rgba(75,70,232,.16);padding:5px 14px;border-radius:999px}
.hero-panel{min-width:0}
.panel{background:rgba(255,255,255,.94);border:1px solid rgba(220,224,245,.9);border-radius:22px;padding:22px;box-shadow:var(--shadow-md);animation:panelFloat 7.5s ease-in-out infinite}
@keyframes panelFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
.panel-top{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.panel-dots{display:flex;gap:6px}
.panel-dots i{width:8px;height:8px;border-radius:50%;display:block;background:#d8dcf0}
.panel-dots i:nth-child(1){background:#ffb4b4}
.panel-dots i:nth-child(2){background:#ffd79a}
.panel-dots i:nth-child(3){background:#a9e8c8}
.panel-label{font-size:13px;color:var(--muted);font-weight:600;letter-spacing:.04em}
.panel-desc{font-size:14px;color:var(--ink-2);margin:0 0 16px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.chips span{font-size:12.5px;padding:5px 12px;border-radius:8px;background:#f1f3ff;color:#3f4691;border:1px solid #e2e6ff}
.panel-foot{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding-top:16px;border-top:1px dashed #e3e6f7}
.panel-foot div{display:flex;flex-direction:column;gap:2px}
.panel-foot b{font-size:14px;color:var(--ink)}
.panel-foot span{font-size:12.5px;color:var(--muted)}

/* stats */
.stats-band{padding:4px 0 6px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;background:rgba(255,255,255,.9);border:1px solid rgba(220,224,245,.9);border-radius:20px;padding:26px 18px;box-shadow:var(--shadow-sm)}
.stat{text-align:center;padding:0 8px}
.stat strong{display:block;font-size:clamp(22px,2.6vw,30px);font-weight:800;color:#3a37c9;letter-spacing:-.01em;line-height:1.3}
.stat span{font-size:13.5px;color:var(--ink-2)}

/* about */
.about-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:24px;align-items:start}
.about-main h3,.about-side h3{font-size:19px;margin:0 0 14px}
.about-main p{color:var(--ink-2);font-size:15px;margin:0 0 14px}
.check-list{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:11px}
.check-list li{position:relative;padding-left:28px;font-size:14.5px;color:#33395c}
.check-list li::before{content:"";position:absolute;left:0;top:6px;width:16px;height:16px;border-radius:50%;background:linear-gradient(120deg,#4b46e8,#1fc6e2)}
.check-list li::after{content:"";position:absolute;left:5px;top:10px;width:6px;height:3px;border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(-45deg)}
.ability-list{list-style:none;margin:0;padding:0}
.ability-list li{display:flex;flex-direction:column;gap:2px;padding:12px 0;border-bottom:1px dashed #e8eaf7}
.ability-list li:last-child{border-bottom:0;padding-bottom:0}
.ability-list b{font-size:14.5px;color:var(--ink)}
.ability-list span{font-size:13.5px;color:var(--muted)}

/* services */
.service-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.service-card{position:relative;overflow:hidden;background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);transition:transform .32s ease,box-shadow .32s ease,border-color .32s ease}
.service-card::after{content:"";position:absolute;right:-40px;bottom:-70px;width:150px;height:150px;border-radius:50%;background:radial-gradient(circle,rgba(139,92,246,.16),rgba(139,92,246,0) 70%);opacity:0;transition:opacity .35s ease}
.service-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(122,110,255,.35)}
.service-card:hover::after{opacity:1}
.svc-icon{width:44px;height:44px;border-radius:13px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#eef0ff,#e6f8fd);color:#4b46e8;margin-bottom:14px}
.service-card h3{font-size:16px;margin:0 0 8px}
.service-card p{font-size:13.5px;color:var(--ink-2);margin:0;line-height:1.68}
.tagcloud{margin-top:26px;background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm)}
.tagcloud h3,.model-strip h3{font-size:16px;margin:0 0 14px}
.tags{display:flex;flex-wrap:wrap;gap:10px}
.tags span{font-size:13.5px;padding:7px 15px;border-radius:999px;background:#f4f6ff;color:#3c4489;border:1px solid #e4e8fb;transition:background .25s ease,color .25s ease,transform .25s ease}
.tags span:hover{background:#eaefff;color:#2f36a8;transform:translateY(-2px)}
.model-strip{margin-top:18px;background:linear-gradient(120deg,rgba(244,246,255,.96),rgba(236,250,254,.96));border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.strip-note{font-size:14px;color:#3d4570;line-height:1.95;margin:0;word-break:break-word}

/* one-stop */
.flow-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.flow-card{display:flex;flex-direction:column;gap:12px;background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);transition:transform .3s ease,box-shadow .3s ease}
.flow-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.flow-in{align-self:flex-start;font-size:12.5px;font-weight:600;color:#3f3ac9;background:rgba(75,70,232,.09);padding:4px 12px;border-radius:999px}
.flow-quote{margin:0;font-size:15px;font-weight:600;color:var(--ink);line-height:1.68}
.flow-divider{height:1px;background:linear-gradient(90deg,rgba(75,70,232,.42),rgba(31,198,226,.12))}
.flow-out{font-size:14px;color:var(--ink-2);line-height:1.7}

/* industry */
.industry-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px}
.industry-card{position:relative;background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px 24px;box-shadow:var(--shadow-sm);transition:transform .3s ease,box-shadow .3s ease}
.industry-card::before{content:"";position:absolute;top:0;left:24px;right:24px;height:3px;border-radius:0 0 4px 4px;background:linear-gradient(90deg,#4b46e8,#8b5cf6,#1fc6e2)}
.industry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.industry-card h3{font-size:16.5px;margin:0 0 8px}
.industry-card p{font-size:13.8px;color:var(--ink-2);margin:0;line-height:1.72}

/* timeline */
.timeline{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.tl-step{background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:16px;padding:20px 16px;box-shadow:var(--shadow-sm);transition:transform .3s ease,box-shadow .3s ease}
.tl-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.tl-num{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,#4b46e8,#1fc6e2);color:#fff;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.tl-step h3{font-size:15px;margin:0 0 6px}
.tl-step p{font-size:13px;color:var(--muted);margin:0;line-height:1.62}

/* network */
.network-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.network-card{background:linear-gradient(150deg,rgba(255,255,255,.96),rgba(243,246,255,.96));border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--shadow-sm);transition:transform .3s ease,box-shadow .3s ease}
.network-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.network-card h3{font-size:15.5px;margin:0 0 8px}
.network-card p{font-size:13.8px;color:var(--ink-2);margin:0;line-height:1.72}

/* cases */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.case-card{background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .32s ease,box-shadow .32s ease}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.case-media{aspect-ratio:16/10;overflow:hidden;background:#eef1fb;border-bottom:1px solid var(--line)}
.case-media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .55s ease}
.case-card:hover .case-media img{transform:scale(1.04)}
.case-body{padding:20px 22px 22px}
.case-body h3{font-size:16.5px;margin:0 0 8px}
.case-body p{font-size:14px;color:var(--ink-2);margin:0 0 12px;line-height:1.7}
.case-tag{display:inline-block;font-size:12px;color:#3f3ac9;background:rgba(75,70,232,.09);padding:4px 12px;border-radius:999px}

/* review */
.review-layout{display:grid;grid-template-columns:1.55fr .85fr;gap:24px;align-items:start}
.review-table-wrap{background:rgba(255,255,255,.95);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow-x:auto}
.compare-table{width:100%;border-collapse:collapse;min-width:600px;font-size:14px}
.compare-table th{text-align:left;padding:16px 18px;font-size:13.5px;color:#2b3160;background:#f1f4ff;font-weight:700;white-space:nowrap}
.compare-table th:nth-child(2){color:#3a37c9}
.compare-table td{padding:14px 18px;border-top:1px solid #eef0fa;color:var(--ink-2);vertical-align:top}
.compare-table td:first-child{font-weight:600;color:var(--ink);white-space:nowrap}
.compare-table td:nth-child(2){color:#33395c;background:rgba(75,70,232,.035)}
.score-card{background:linear-gradient(150deg,#ffffff,#f2f4ff 55%,#eefaff);border:1px solid rgba(122,110,255,.24);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-md);text-align:center}
.score-label{font-size:13px;color:var(--muted);letter-spacing:.08em}
.stars{font-size:22px;color:#ffb020;letter-spacing:5px;margin:6px 0 6px;line-height:1.2}
.score-num{display:flex;align-items:baseline;justify-content:center;gap:6px;margin-bottom:10px}
.score-num strong{font-size:46px;line-height:1;font-weight:800;color:#3a37c9;letter-spacing:-.02em}
.score-num span{font-size:15px;color:var(--muted)}
.score-card p{font-size:13.5px;color:var(--ink-2);margin:0 0 20px;line-height:1.72}

/* token */
.token-grid{display:grid;grid-template-columns:1.5fr .9fr;gap:24px;align-items:start}
.token-table-wrap{background:rgba(255,255,255,.95);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow-x:auto}
.token-table{width:100%;border-collapse:collapse;min-width:520px;font-size:14px}
.token-table th{text-align:left;padding:15px 18px;background:#f2f6ff;color:#2b3160;font-size:13.5px;font-weight:700;white-space:nowrap}
.token-table td{padding:13px 18px;border-top:1px solid #eef0fa;color:var(--ink-2)}
.token-table td:first-child{font-weight:600;color:var(--ink)}
.token-side{background:rgba(255,255,255,.95);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm)}
.token-side h3{font-size:17px;margin:0 0 14px}
.token-side ul{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.token-side li{position:relative;padding-left:20px;font-size:14px;color:var(--ink-2);line-height:1.7}
.token-side li::before{content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:2px;background:linear-gradient(135deg,#4b46e8,#1fc6e2)}

/* comments */
.review-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:18px}
.comment-card{display:flex;flex-direction:column;gap:14px;background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}
.comment-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(122,110,255,.32)}
.comment-text{font-size:14.5px;color:#33395c;margin:0;line-height:1.78}
.comment-user{display:flex;align-items:center;gap:11px;margin-top:auto}
.avatar{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:#fff;background:linear-gradient(135deg,#4b46e8,#1fc6e2);flex:0 0 auto}
.comment-user b{display:block;font-size:14px;color:var(--ink);line-height:1.4}
.comment-user span{font-size:12.5px;color:var(--muted)}

/* faq */
.faq-list{max-width:900px;margin:0 auto;display:grid;gap:12px}
.faq-item{background:rgba(255,255,255,.95);border:1px solid var(--line);border-radius:14px;padding:0 20px;box-shadow:var(--shadow-sm);transition:border-color .25s ease,box-shadow .25s ease}
.faq-item[open]{border-color:rgba(122,110,255,.36);box-shadow:var(--shadow-md)}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 34px 18px 0;font-size:15.5px;font-weight:600;color:var(--ink);position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"";position:absolute;right:4px;top:24px;width:9px;height:9px;border-right:2px solid #6d74a8;border-bottom:2px solid #6d74a8;transform:rotate(45deg);transition:transform .25s ease}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-answer{padding:0 0 18px;margin:0;font-size:14.5px;color:var(--ink-2);line-height:1.78}
.help-strip{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;background:linear-gradient(120deg,rgba(238,241,255,.95),rgba(233,250,254,.95));border:1px solid rgba(122,110,255,.2);border-radius:18px;padding:22px 26px;margin-top:30px;box-shadow:var(--shadow-sm)}
.help-strip h3{font-size:16px;margin:0 0 4px}
.help-strip p{margin:0;font-size:13.8px;color:var(--ink-2)}
.help-actions{display:flex;gap:12px;flex-wrap:wrap}

/* articles */
.article-slot{background:rgba(255,255,255,.95);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);margin-bottom:18px;font-size:14.5px;color:var(--ink-2);line-height:1.8;overflow-x:auto}
.article-links{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px}
.article-link{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:16px 18px;background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:14px;text-decoration:none;color:#33395c;font-size:14px;font-weight:600;transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease,color .28s ease}
.article-link:hover{transform:translateY(-3px);border-color:rgba(122,110,255,.36);box-shadow:var(--shadow-md);color:#3a37c9}
.article-link i{font-style:normal;color:#4b46e8}

/* partner */
.partner-card{background:linear-gradient(135deg,rgba(255,255,255,.97),rgba(241,244,255,.97) 55%,rgba(235,251,254,.97));border:1px solid rgba(122,110,255,.22);border-radius:24px;padding:40px;box-shadow:var(--shadow-md)}
.partner-card h2{font-size:clamp(22px,2.6vw,30px);margin:16px 0 12px;line-height:1.32}
.partner-lead{color:var(--ink-2);font-size:15px;margin:0 0 24px;max-width:770px}
.partner-list{list-style:none;margin:0 0 26px;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.partner-list li{background:rgba(255,255,255,.88);border:1px solid var(--line);border-radius:14px;padding:18px}
.partner-list b{display:block;font-size:15px;margin-bottom:6px;color:var(--ink)}
.partner-list span{font-size:13.5px;color:var(--ink-2);line-height:1.7}
.partner-actions{display:flex;gap:12px;flex-wrap:wrap}

/* contact */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:start}
.contact-form{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:13.5px;font-weight:600;color:#333a60}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1px solid #dfe3f4;border-radius:11px;font-size:14.5px;color:var(--ink);background:#fbfcff;font-family:inherit;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:#6c66f0;box-shadow:0 0 0 3px rgba(108,102,240,.15);background:#fff}
.field textarea{resize:vertical;min-height:106px}
.contact-side h3{font-size:18px;margin:0 0 16px}
.contact-list{list-style:none;margin:0 0 20px;padding:0;display:grid;gap:12px}
.contact-list li{display:flex;justify-content:space-between;gap:14px;font-size:14px;border-bottom:1px dashed #eceef9;padding-bottom:11px}
.contact-list li:last-child{border-bottom:0;padding-bottom:0}
.contact-list span{color:var(--muted);flex:0 0 auto}
.contact-list a{color:#3a37c9;text-decoration:none;word-break:break-all}
.contact-list a:hover{text-decoration:underline}
.contact-list b{color:var(--ink);font-weight:600}
.qr-box{text-align:center;padding-top:16px;border-top:1px dashed #eceef9}
.qr-box img{width:140px;height:140px;object-fit:contain;display:block;margin:0 auto 8px;border-radius:12px;background:#fff;border:1px solid var(--line)}
.qr-box p{font-size:13px;color:var(--muted);margin:0}

/* footer */
.site-footer{background:#151a38;color:#c6cbe6;padding:52px 0 0;margin-top:24px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-bottom:34px}
.footer-logo{font-size:18px;font-weight:700;color:#ffffff;letter-spacing:.02em}
.footer-brand p{font-size:13.5px;line-height:1.85;color:#a7aed0;margin:12px 0 0;max-width:340px}
.site-footer h3{font-size:14.5px;color:#ffffff;margin:0 0 14px;font-weight:600}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.site-footer ul a{color:#b6bddd;text-decoration:none;font-size:13.5px;transition:color .2s ease}
.site-footer ul a:hover{color:#9db0ff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0 22px;display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;font-size:13px;color:#8f96bb}
.footer-bottom a{color:#b6bddd;text-decoration:none}
.footer-bottom a:hover{color:#9db0ff}

/* floating */
.floating-service{position:fixed;right:18px;bottom:86px;z-index:120}
.fs-toggle{width:52px;height:52px;border-radius:50%;border:none;background:linear-gradient(135deg,#4b46e8,#1fc6e2);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 10px 26px rgba(75,70,232,.36);transition:transform .25s ease,box-shadow .25s ease;padding:0}
.fs-toggle:hover{transform:translateY(-3px) scale(1.04);box-shadow:0 16px 30px rgba(75,70,232,.44)}
.fs-panel{position:absolute;right:0;bottom:64px;width:214px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;box-shadow:var(--shadow-lg);display:none;text-align:center}
.fs-panel.open{display:block;animation:riseIn .26s ease}
@keyframes riseIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.fs-panel h3{font-size:14px;margin:0 0 10px;color:var(--ink)}
.fs-panel img{width:132px;height:132px;object-fit:contain;display:block;margin:0 auto 8px;border-radius:10px;border:1px solid var(--line)}
.fs-panel p{font-size:12.5px;color:var(--muted);margin:0 0 8px;line-height:1.6}
.fs-panel a{font-size:12.5px;color:#3a37c9;text-decoration:none;word-break:break-all}
.back-top{position:fixed;right:18px;bottom:20px;width:46px;height:46px;border-radius:50%;border:1px solid var(--line);background:#fff;color:#4b46e8;font-size:18px;line-height:1;cursor:pointer;box-shadow:var(--shadow-md);display:none;align-items:center;justify-content:center;z-index:120;transition:transform .25s ease,background .25s ease;padding:0}
.back-top.show{display:flex}
.back-top:hover{transform:translateY(-3px);background:#f2f4ff}

/* reveal */
.js .reveal{opacity:0}
.js .reveal.is-visible{animation:revealUp .7s cubic-bezier(.22,.7,.3,1) forwards}
@keyframes revealUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}

@media (prefers-reduced-motion: reduce){
  .js .reveal{opacity:1;animation:none !important}
  .hero-orb,.panel{animation:none !important}
  html{scroll-behavior:auto}
}

@media (max-width:1100px){
  .nav{position:absolute;top:100%;left:0;right:0;display:none;background:rgba(255,255,255,.99);border-bottom:1px solid var(--line);box-shadow:0 20px 40px rgba(30,35,90,.12)}
  .nav.open{display:block}
  .nav-links{flex-direction:column;align-items:stretch;padding:8px 18px 18px}
  .nav-link{display:block;padding:12px 6px;border-bottom:1px solid #f0f1f8;border-radius:0}
  .nav-links li:last-child .nav-link{border-bottom:0}
  .nav-toggle{display:flex}
  .hero-inner{grid-template-columns:1fr;gap:38px}
  .hero-panel{max-width:560px}
  .timeline{grid-template-columns:repeat(3,1fr)}
  .review-layout,.token-grid{grid-template-columns:1fr}
  .partner-list{grid-template-columns:1fr}
}

@media (max-width:900px){
  .section{padding:56px 0}
  .about-grid,.contact-grid{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:1fr}
  .case-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .section-head{margin-bottom:34px}
  .partner-card{padding:28px}
}

@media (max-width:700px){
  .timeline{grid-template-columns:1fr 1fr}
  .contact-form{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .hero{padding:48px 0 56px}
  .stats-grid{padding:20px 12px;gap:12px}
  .section-sub{font-size:14.5px}
  .help-strip{padding:20px}
  .floating-service{right:14px;bottom:80px}
  .back-top{right:14px;bottom:18px}
  .fs-toggle{width:48px;height:48px}
}

@media (max-width:420px){
  .timeline{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
}