*,*::before,*::after{box-sizing:border-box;}
:root{
  --ink:#14161c;
  --ink-soft:#4d5262;
  --paper:#fdf9f3;
  --coral:#ff4b2b;
  --coral-deep:#e2381b;
  --teal:#0aa88c;
  --yellow:#ffc42e;
  --line:rgba(20,22,28,.14);
}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:88px;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",Roboto,sans-serif;
  font-size:15.5px;
  line-height:1.72;
  color:var(--ink);
  background-color:var(--paper);
  background-image:
    radial-gradient(circle at 6% 0%,rgba(255,75,43,.13),transparent 40%),
    radial-gradient(circle at 96% 3%,rgba(10,168,140,.12),transparent 36%),
    radial-gradient(circle at 50% 100%,rgba(255,196,46,.16),transparent 44%),
    radial-gradient(rgba(20,22,28,.035) 1px,transparent 1px);
  background-size:auto,auto,auto,22px 22px;
  background-repeat:no-repeat,no-repeat,no-repeat,repeat;
}
img{max-width:100%;}
a{color:var(--coral);text-decoration:none;}
h1,h2,h3{color:var(--ink);}
.container{width:100%;max-width:1180px;margin-left:auto;margin-right:auto;padding-left:20px;padding-right:20px;}
.section{padding:68px 0;}
.sec-head{max-width:780px;margin:0 auto 40px;text-align:center;}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.14em;color:var(--coral-deep);background:rgba(255,75,43,.1);border:1px solid rgba(255,75,43,.28);padding:5px 12px;border-radius:999px;margin-bottom:14px;}
.sec-head h2{font-size:clamp(24px,3.4vw,33px);line-height:1.3;margin:0 0 12px;font-weight:900;letter-spacing:-.01em;}
.sec-desc{margin:0;color:var(--ink-soft);font-size:15.5px;}
.hl{background:linear-gradient(180deg,transparent 58%,rgba(255,196,46,.75) 58%);padding:0 2px;border-radius:2px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 24px;border-radius:10px;font-size:15px;font-weight:800;border:1.5px solid transparent;cursor:pointer;transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease;}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 10px 22px -12px rgba(255,75,43,.95);}
.btn-primary:hover{background:var(--coral-deep);transform:translateY(-2px);}
.btn-ink{background:var(--ink);color:#fff;}
.btn-ink:hover{background:#2a2d38;transform:translateY(-2px);}
.btn-ghost{background:transparent;border-color:rgba(20,22,28,.32);color:var(--ink);}
.btn-ghost:hover{border-color:var(--coral);color:var(--coral-deep);transform:translateY(-2px);}
.btn-block{width:100%;}

/* header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(253,249,243,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px;position:relative;}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:900;font-size:17px;white-space:nowrap;}
.brand-logo{display:flex;align-items:center;height:34px;max-width:150px;overflow:hidden;}
.brand-logo img{max-height:34px;width:auto;display:block;}
.nav-main{display:flex;align-items:center;gap:20px;}
.nav-links{display:flex;align-items:center;gap:0;list-style:none;margin:0;padding:0;}
.nav-links a{display:block;padding:8px 9px;border-radius:8px;font-size:13.5px;font-weight:700;color:var(--ink);transition:background-color .2s ease,color .2s ease;}
.nav-links a:hover{background:rgba(255,75,43,.12);color:var(--coral-deep);}
.btn-nav{padding:10px 18px;font-size:14px;}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:40px;background:#fff;border:1px solid var(--line);border-radius:10px;cursor:pointer;padding:0 9px;}
.nav-toggle span{display:block;height:2px;background:var(--ink);border-radius:2px;}

/* hero */
.hero{padding:56px 0 46px;position:relative;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:48px;align-items:center;}
.hero h1{font-size:clamp(28px,4.4vw,44px);line-height:1.22;letter-spacing:-.02em;margin:0 0 18px;font-weight:900;}
.hero-lead{font-size:16px;color:var(--ink-soft);margin:0 0 26px;max-width:580px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;list-style:none;margin:0;padding:0;}
.hero-badges li{font-size:13px;font-weight:700;padding:7px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--ink);}
.hero-badges li:nth-child(1){border-color:rgba(255,75,43,.45);}
.hero-badges li:nth-child(2){border-color:rgba(10,168,140,.45);}
.hero-badges li:nth-child(3){border-color:rgba(255,196,46,.7);}
.hero-panel{background:#fff;border:1px solid rgba(20,22,28,.16);border-radius:18px;padding:20px;box-shadow:0 28px 50px -34px rgba(20,22,28,.85);animation:floaty 7s ease-in-out infinite;}
@keyframes floaty{0%,100%{transform:translateY(0);}50%{transform:translateY(-8px);}}
.panel-head{display:flex;align-items:center;gap:7px;padding-bottom:14px;border-bottom:1px dashed rgba(20,22,28,.16);}
.panel-head .dot{width:9px;height:9px;border-radius:50%;display:block;}
.dot-a{background:var(--coral);}
.dot-b{background:var(--yellow);}
.dot-c{background:var(--teal);}
.panel-title{margin-left:6px;font-size:13px;font-weight:800;letter-spacing:.06em;color:var(--ink-soft);}
.flow-list{list-style:none;margin:16px 0 0;padding:0;display:flex;flex-direction:column;gap:14px;}
.flow-list li{display:flex;gap:12px;align-items:flex-start;}
.flow-idx{flex:0 0 auto;width:30px;height:30px;border-radius:9px;background:rgba(255,75,43,.12);color:var(--coral-deep);font-size:12.5px;font-weight:900;display:flex;align-items:center;justify-content:center;}
.flow-list li:nth-child(2) .flow-idx{background:rgba(10,168,140,.14);color:#077866;}
.flow-list li:nth-child(3) .flow-idx{background:rgba(255,196,46,.24);color:#8a6400;}
.flow-list strong{display:block;font-size:14.5px;}
.flow-list p{margin:2px 0 0;font-size:13px;color:var(--ink-soft);line-height:1.6;}
.panel-foot{margin-top:18px;padding-top:14px;border-top:1px dashed rgba(20,22,28,.16);font-size:12.5px;font-weight:700;color:var(--ink-soft);}

/* metrics */
.metrics{padding:0 0 8px;}
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
.metric{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 16px;text-align:center;transition:transform .22s ease,box-shadow .22s ease;}
.metric:hover{transform:translateY(-3px);box-shadow:0 16px 28px -22px rgba(20,22,28,.8);}
.metric-num{display:block;font-size:30px;font-weight:900;line-height:1.2;color:var(--coral);}
.metric:nth-child(2) .metric-num{color:#077866;}
.metric:nth-child(3) .metric-num{color:#8a6400;}
.metric:nth-child(4) .metric-num{color:var(--ink);}
.metric-label{display:block;font-size:13px;color:var(--ink-soft);font-weight:600;margin-top:4px;}

/* cards */
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.card:hover{transform:translateY(-4px);box-shadow:0 20px 34px -26px rgba(20,22,28,.9);border-color:rgba(255,75,43,.45);}
.cap-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;}
.cap-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.cap-card:hover{transform:translateY(-4px);box-shadow:0 20px 34px -26px rgba(20,22,28,.9);border-color:rgba(10,168,140,.5);}
.cap-card h3{margin:0 0 8px;font-size:16.5px;font-weight:800;}
.cap-card p{margin:0;font-size:14px;color:var(--ink-soft);}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.tag{display:inline-block;font-size:12px;font-weight:800;padding:4px 10px;border-radius:999px;background:rgba(255,75,43,.1);color:var(--coral-deep);margin-bottom:12px;letter-spacing:.04em;}
.service-card .tag{background:rgba(10,168,140,.12);color:#077866;}
.service-card h3{margin:0 0 8px;font-size:17.5px;font-weight:800;}
.service-card p{margin:0 0 12px;font-size:14px;color:var(--ink-soft);}
.mini-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px;}
.mini-list li{position:relative;padding-left:16px;font-size:13px;color:var(--ink-soft);}
.mini-list li::before{content:"";position:absolute;left:0;top:8px;width:6px;height:6px;border-radius:50%;background:var(--yellow);}

/* chain */
.chain{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:32px;}
.chain-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;position:relative;}
.chain-item::after{content:"";position:absolute;right:-12px;top:50%;width:8px;height:8px;border-top:2px solid var(--coral);border-right:2px solid var(--coral);transform:translateY(-50%) rotate(45deg);}
.chain-item:last-child::after{display:none;}
.chain-num{display:inline-block;font-size:12px;font-weight:900;color:var(--coral-deep);background:rgba(255,75,43,.12);border-radius:6px;padding:2px 8px;margin-bottom:10px;}
.chain-item h3{margin:0 0 6px;font-size:16px;font-weight:800;}
.chain-item p{margin:0;font-size:13.5px;color:var(--ink-soft);}
.cloud-block{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;}
.cloud-block h3{margin:0 0 6px;font-size:17px;font-weight:800;}
.cloud-block p{margin:0 0 16px;font-size:14px;color:var(--ink-soft);}
.tag-cloud{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px;}
.tag-cloud li{font-size:13px;font-weight:700;padding:6px 12px;border-radius:8px;background:rgba(20,22,28,.04);border:1px solid rgba(20,22,28,.1);color:var(--ink-soft);transition:background-color .2s ease,color .2s ease,transform .2s ease;}
.tag-cloud li:hover{background:rgba(255,75,43,.12);color:var(--coral-deep);transform:translateY(-2px);border-color:rgba(255,75,43,.35);}

/* network */
.network-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
.network-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;border-left:4px solid var(--teal);}
.network-item:nth-child(2){border-left-color:var(--coral);}
.network-item:nth-child(3){border-left-color:var(--yellow);}
.network-item:nth-child(4){border-left-color:var(--ink);}
.network-item h3{margin:0 0 8px;font-size:16px;font-weight:800;}
.network-item p{margin:0;font-size:13.5px;color:var(--ink-soft);}

/* process */
.band{background:rgba(255,255,255,.62);border-top:1px solid rgba(20,22,28,.08);border-bottom:1px solid rgba(20,22,28,.08);}
.steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;}
.step{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 16px;text-align:center;}
.step-dot{width:38px;height:38px;margin:0 auto 12px;border-radius:50%;background:var(--ink);color:#fff;font-weight:900;font-size:15px;display:flex;align-items:center;justify-content:center;}
.step:nth-child(1) .step-dot{background:var(--coral);}
.step:nth-child(2) .step-dot{background:#f08a00;}
.step:nth-child(3) .step-dot{background:var(--teal);}
.step:nth-child(4) .step-dot{background:#2a4bd8;}
.step h3{margin:0 0 6px;font-size:15.5px;font-weight:800;}
.step p{margin:0;font-size:13px;color:var(--ink-soft);}

/* cases */
.case-card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.case-card:hover{transform:translateY(-4px);box-shadow:0 22px 38px -28px rgba(20,22,28,.9);border-color:rgba(255,75,43,.45);}
.case-media{aspect-ratio:4/3;background:#f4efe7;display:flex;align-items:center;justify-content:center;overflow:hidden;}
.case-media img{width:100%;height:100%;object-fit:contain;display:block;}
.case-card.wide{grid-column:span 2;}
.case-card.wide .case-media{aspect-ratio:16/7;}
.case-body{padding:18px 20px 20px;}
.case-body h3{margin:0 0 6px;font-size:16px;font-weight:800;}
.case-body p{margin:0 0 12px;font-size:13.5px;color:var(--ink-soft);}
.case-tag{display:inline-block;font-size:11.5px;font-weight:800;padding:3px 10px;border-radius:999px;background:rgba(10,168,140,.12);color:#077866;}

/* reviews */
.review-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;display:flex;flex-direction:column;gap:14px;transition:transform .25s ease,box-shadow .25s ease;}
.review-card:hover{transform:translateY(-4px);box-shadow:0 20px 34px -26px rgba(20,22,28,.9);}
.review-text{margin:0;font-size:14.5px;color:var(--ink-soft);}
.review-user{display:flex;align-items:center;gap:12px;}
.avatar{width:40px;height:40px;border-radius:50%;background:rgba(255,75,43,.14);color:var(--coral-deep);font-weight:900;display:flex;align-items:center;justify-content:center;flex:0 0 auto;}
.review-card:nth-child(even) .avatar{background:rgba(10,168,140,.14);color:#077866;}
.review-name{display:block;font-size:14px;font-weight:800;}
.review-role{display:block;font-size:12.5px;color:var(--ink-soft);}

/* review board */
.review-board{display:grid;grid-template-columns:minmax(0,.68fr) minmax(0,1.32fr);gap:24px;align-items:start;}
.score-card{background:var(--ink);color:#fff;border-radius:18px;padding:28px;text-align:center;}
.score-card .score-value{font-size:52px;font-weight:900;line-height:1;color:#fff;}
.score-card .score-value span{font-size:18px;font-weight:700;color:rgba(255,255,255,.7);}
.stars{color:var(--yellow);font-size:20px;letter-spacing:4px;margin:10px 0 6px;}
.score-card .score-label{font-size:13.5px;color:rgba(255,255,255,.82);margin:0;}
.score-card .score-note{margin:16px 0 0;padding-top:16px;border-top:1px solid rgba(255,255,255,.18);font-size:13px;color:rgba(255,255,255,.82);}

/* tables */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:#fff;}
table{width:100%;border-collapse:collapse;min-width:660px;font-size:14px;}
th,td{padding:14px 16px;text-align:left;border-bottom:1px solid rgba(20,22,28,.09);vertical-align:top;}
thead th{background:rgba(20,22,28,.04);font-weight:800;font-size:13.5px;white-space:nowrap;}
tbody tr:last-child td{border-bottom:none;}
tbody tr:hover{background:rgba(255,75,43,.045);}
td strong{font-weight:800;}
.best{color:var(--coral-deep);font-weight:800;}
.table-note{margin:14px 0 0;font-size:13px;color:var(--ink-soft);}

/* help */
.help-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;}
.help-card h3{margin:0 0 10px;font-size:16px;font-weight:800;}
.help-card ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;}
.help-card li{position:relative;padding-left:18px;font-size:13.5px;color:var(--ink-soft);}
.help-card li::before{content:"";position:absolute;left:0;top:7px;width:7px;height:7px;border-radius:2px;background:var(--teal);}

/* faq */
.faq-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 20px;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item:hover{border-color:rgba(255,75,43,.4);}
.faq-item[open]{border-color:rgba(255,75,43,.55);box-shadow:0 16px 30px -26px rgba(20,22,28,.9);}
.faq-item summary{list-style:none;cursor:pointer;padding:17px 0;font-size:15px;font-weight:800;display:flex;align-items:center;justify-content:space-between;gap:14px;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:19px;font-weight:800;color:var(--coral);line-height:1;flex:0 0 auto;}
.faq-item[open] summary::after{content:"−";color:var(--teal);}
.faq-body{padding:0 0 18px;font-size:14px;color:var(--ink-soft);border-top:1px dashed rgba(20,22,28,.12);padding-top:14px;}

/* wiki */
.wiki-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;border-top:3px solid var(--coral);}
.wiki-card:nth-child(2){border-top-color:var(--teal);}
.wiki-card:nth-child(3){border-top-color:var(--yellow);}
.wiki-card:nth-child(4){border-top-color:#2a4bd8;}
.wiki-card:nth-child(5){border-top-color:#f08a00;}
.wiki-card:nth-child(6){border-top-color:var(--ink);}
.wiki-card h3{margin:0 0 8px;font-size:16px;font-weight:800;}
.wiki-card p{margin:0;font-size:13.5px;color:var(--ink-soft);}

/* news */
.news-list{list-style:none;margin:0;padding:0;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;}
.news-list li+li{border-top:1px solid rgba(20,22,28,.09);}
.news-list a{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;color:var(--ink);font-weight:700;font-size:15px;transition:background-color .2s ease,color .2s ease;}
.news-list a:hover{background:rgba(255,75,43,.06);color:var(--coral-deep);}
.news-more{font-size:13px;font-weight:800;color:var(--coral);white-space:nowrap;}

/* form */
.match-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:24px;align-items:start;}
.lead-form{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;display:flex;flex-direction:column;gap:16px;}
.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.field{display:flex;flex-direction:column;gap:7px;font-size:13.5px;font-weight:700;color:var(--ink);}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;font-size:14.5px;font-family:inherit;color:var(--ink);background:#fdfaf6;border:1px solid rgba(20,22,28,.18);border-radius:10px;transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;}
.field input::placeholder,.field textarea::placeholder{color:#9aa0ae;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--coral);background:#fff;box-shadow:0 0 0 3px rgba(255,75,43,.14);}
.field textarea{resize:vertical;min-height:110px;}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;}
.contact-card h3{margin:0 0 16px;font-size:17px;font-weight:800;}
.contact-list{list-style:none;margin:0 0 20px;padding:0;display:flex;flex-direction:column;gap:12px;}
.contact-list li{display:flex;align-items:baseline;justify-content:space-between;gap:14px;font-size:14px;padding-bottom:12px;border-bottom:1px dashed rgba(20,22,28,.13);}
.contact-list li:last-child{border-bottom:none;padding-bottom:0;}
.contact-list span{color:var(--ink-soft);font-size:13px;flex:0 0 auto;}
.contact-list strong,.contact-list a{font-weight:800;color:var(--ink);word-break:break-all;text-align:right;}
.contact-list a:hover{color:var(--coral-deep);}
.qr-box{text-align:center;border-top:1px dashed rgba(20,22,28,.13);padding-top:18px;}
.qr-box img{width:132px;height:auto;display:block;margin:0 auto 10px;border-radius:10px;border:1px solid var(--line);}
.qr-box p{margin:0;font-size:13px;color:var(--ink-soft);}

/* partner */
.partner-band{background:var(--ink);border-radius:20px;padding:36px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.partner-band h2{margin:0 0 10px;color:#fff;font-size:clamp(21px,2.6vw,26px);font-weight:900;line-height:1.35;}
.partner-band p{margin:0;color:rgba(255,255,255,.82);font-size:14.5px;max-width:640px;}
.partner-band .btn-primary{flex:0 0 auto;}

/* footer */
.site-footer{background:#101218;color:#dfe2ea;padding:46px 0 22px;margin-top:0;}
.footer-inner{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:32px;align-items:start;}
.footer-brand strong{display:block;font-size:19px;font-weight:900;color:#fff;margin-bottom:10px;}
.footer-brand p{margin:0 0 12px;font-size:13.5px;color:#b9bfcd;max-width:460px;}
.footer-head{margin:0 0 12px;font-size:14px;font-weight:900;color:#fff;}
.footer-links ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:10px 18px;}
.footer-links a{color:#c6cbd8;font-size:13.5px;transition:color .2s ease;}
.footer-links a:hover{color:var(--yellow);}
.ai-page-home-link{display:inline-block;color:var(--yellow);font-size:13.5px;font-weight:800;border-bottom:1px solid rgba(255,196,46,.5);}
.ai-page-home-link:hover{color:#fff;border-bottom-color:#fff;}
.footer-bottom{margin-top:28px;padding-top:16px;border-top:1px solid rgba(255,255,255,.12);}
.footer-bottom p{margin:0;font-size:12.5px;color:#9aa1b0;}

/* floating */
.back-top{position:fixed;right:20px;bottom:92px;width:44px;height:44px;border-radius:50%;background:#fff;border:1px solid rgba(20,22,28,.2);color:var(--ink);display:flex;align-items:center;justify-content:center;font-size:16px;cursor:pointer;opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease,transform .25s ease;z-index:90;box-shadow:0 12px 24px -16px rgba(20,22,28,.9);}
.back-top.is-show{opacity:1;visibility:visible;}
.back-top:hover{transform:translateY(-2px);}
.fab{position:fixed;right:20px;bottom:28px;z-index:95;}
.fab-btn{display:inline-flex;align-items:center;gap:8px;padding:12px 18px;border-radius:999px;background:var(--coral);color:#fff;border:none;font-size:14px;font-weight:800;font-family:inherit;cursor:pointer;box-shadow:0 16px 26px -14px rgba(255,75,43,.95);transition:transform .2s ease,background-color .2s ease;}
.fab-btn:hover{transform:translateY(-2px);background:var(--coral-deep);}
.fab-panel{position:absolute;right:0;bottom:calc(100% + 12px);width:250px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:0 28px 44px -30px rgba(20,22,28,.95);opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .22s ease,visibility .22s ease,transform .22s ease;}
.fab-panel.is-open{opacity:1;visibility:visible;transform:none;}
.fab-panel h3{margin:0 0 10px;font-size:14.5px;font-weight:900;}
.fab-panel ul{list-style:none;margin:0 0 14px;padding:0;display:flex;flex-direction:column;gap:8px;font-size:13px;color:var(--ink-soft);}
.fab-panel li strong{color:var(--ink);}
.fab-panel .btn{padding:9px 14px;font-size:13px;width:100%;}

/* reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease;}
.reveal.is-visible{opacity:1;transform:none;}

/* responsive */
@media (max-width:1180px){
  .nav-toggle{display:flex;}
  .nav-main{position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 26px 42px -32px rgba(20,22,28,.9);padding:14px 20px 20px;display:none;flex-direction:column;align-items:stretch;gap:12px;}
  .nav-main.is-open{display:flex;}
  .nav-links{flex-direction:column;align-items:stretch;}
  .nav-links a{padding:11px 6px;font-size:15px;border-bottom:1px solid rgba(20,22,28,.08);border-radius:0;}
  .btn-nav{width:100%;}
}
@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .review-board{grid-template-columns:1fr;}
  .match-grid{grid-template-columns:1fr;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .chain{grid-template-columns:repeat(2,minmax(0,1fr));}
  .chain-item::after{display:none;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .network-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-inner{grid-template-columns:1fr;gap:24px;}
}
@media (max-width:760px){
  .section{padding:48px 0;}
  .sec-head{margin-bottom:28px;}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-3,.grid-2{grid-template-columns:1fr;}
  .faq-list{grid-template-columns:1fr;}
  .case-card.wide{grid-column:span 1;}
  .case-card.wide .case-media{aspect-ratio:4/3;}
  .form-row{grid-template-columns:1fr;}
  .partner-band{padding:26px;}
  .partner-band .btn{width:100%;}
  .hero{padding:40px 0 34px;}
  .fab{right:14px;bottom:18px;}
  .back-top{right:14px;bottom:82px;}
  .title-fix{font-size:13px;}
}
@media (max-width:520px){
  .chain,.steps,.network-grid{grid-template-columns:1fr;}
  .metric-num{font-size:26px;}
}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  .hero-panel{animation:none;}
  html{scroll-behavior:auto;}
}