*,*::before,*::after{box-sizing:border-box}
:root{
  --ink:#171326;
  --ink-2:#3c3552;
  --muted:#6d6685;
  --line:#ebe5f8;
  --violet:#6b3cff;
  --pink:#ff4f97;
  --cyan:#0aa9bb;
  --amber:#ff9a3c;
  --bg:#fbf9ff;
  --shadow:0 12px 30px -20px rgba(74,42,150,.45);
  --shadow-lift:0 22px 46px -22px rgba(74,42,150,.5);
}
html{scroll-behavior:smooth;scroll-padding-top:88px;-webkit-text-size-adjust:100%}
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:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(680px 420px at 8% -8%, rgba(107,60,255,.16), transparent 65%),
    radial-gradient(560px 380px at 96% 4%, rgba(255,79,151,.14), transparent 62%),
    radial-gradient(760px 480px at 50% 104%, rgba(10,169,187,.13), transparent 66%),
    linear-gradient(180deg,#fdfbff 0%,#f7f4ff 55%,#fbf9ff 100%);
}
img{max-width:100%;height:auto;display:block}
a{color:var(--violet);text-decoration:none}
h1,h2,h3{margin:0;line-height:1.35;color:var(--ink);letter-spacing:-.01em}
h1{font-size:clamp(28px,4.6vw,50px);font-weight:800}
h2{font-size:clamp(23px,3vw,33px);font-weight:800}
h3{font-size:17px;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

/* ===== header ===== */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.88);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:70px;position:relative}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink)}
.brand .ai-page-logo{max-height:34px;width:auto;display:block}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.02em;white-space:nowrap}
.nav{flex:1 1 auto;display:flex;justify-content:center;min-width:0}
.nav-links{display:flex;align-items:center;gap:0;list-style:none;margin:0;padding:0}
.nav-links a{display:block;padding:10px 11px;font-size:14.5px;font-weight:500;color:var(--ink-2);border-radius:10px;transition:color .2s ease,background .2s ease}
.nav-links a:hover{color:var(--violet);background:#f4efff}
.header-cta{flex:0 0 auto}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:4px;width:42px;height:38px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;padding:0 10px}
.nav-toggle-bar{display:block;height:2px;width:100%;background:var(--ink-2);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.nav-toggle.is-active .nav-toggle-bar:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-active .nav-toggle-bar:nth-child(2){opacity:0}
.nav-toggle.is-active .nav-toggle-bar:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ===== buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:12px;font-size:15px;font-weight:700;font-family:inherit;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease}
.btn:active{transform:translateY(1px) scale(.99)}
.btn-primary{background:linear-gradient(135deg,#6b3cff,#a24bff);color:#fff;box-shadow:0 14px 26px -14px rgba(107,60,255,.85)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 32px -14px rgba(107,60,255,.9);color:#fff}
.btn-ghost{background:#fff;color:var(--ink);border-color:#e0d5ff;box-shadow:0 8px 20px -16px rgba(74,42,150,.5)}
.btn-ghost:hover{color:var(--violet);border-color:var(--violet);transform:translateY(-2px)}
.btn-light{background:#fff;color:#3a2470;box-shadow:0 14px 28px -16px rgba(0,0,0,.55)}
.btn-light:hover{transform:translateY(-2px);color:#3a2470}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-outline-light:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);color:#fff}
.btn-block{width:100%}

/* ===== hero ===== */
.hero{position:relative;padding:78px 0 66px;overflow:hidden}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;pointer-events:none;filter:blur(6px)}
.hero::before{width:520px;height:520px;top:-240px;right:-140px;background:radial-gradient(circle at 35% 35%, rgba(107,60,255,.28), rgba(107,60,255,0) 70%);animation:floatA 16s ease-in-out infinite}
.hero::after{width:440px;height:440px;bottom:-220px;left:-140px;background:radial-gradient(circle at 60% 40%, rgba(255,79,151,.22), rgba(255,79,151,0) 70%);animation:floatB 18s ease-in-out infinite}
@keyframes floatA{0%,100%{transform:translate3d(0,0,0)}50%{transform:translate3d(-26px,28px,0)}}
@keyframes floatB{0%,100%{transform:translate3d(0,0,0)}50%{transform:translate3d(24px,-22px,0)}}
.hero-inner{position:relative;z-index:1;text-align:center;max-width:920px}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.13em;color:var(--violet);background:#f1ebff;border:1px solid #e2d7ff;padding:6px 16px;border-radius:999px;margin-bottom:18px}
.hero h1{margin-bottom:20px}
.hero-sub{max-width:760px;margin:0 auto;color:var(--muted);font-size:clamp(15px,1.6vw,17px);line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:32px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:48px;text-align:left}
.hero-stats li{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 16px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.hero-stats li:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);border-color:#ddd0ff}
.stat-num{display:block;font-size:clamp(22px,2.6vw,28px);font-weight:800;letter-spacing:-.02em;color:var(--violet);line-height:1.2}
.hero-stats li:nth-child(2) .stat-num{color:var(--pink)}
.hero-stats li:nth-child(3) .stat-num{color:var(--cyan)}
.hero-stats li:nth-child(4) .stat-num{color:var(--amber)}
.stat-label{display:block;font-size:13px;color:var(--muted);margin-top:4px;line-height:1.5}

/* ===== sections ===== */
.section{padding:64px 0}
.section-head{max-width:800px;margin:0 auto 38px;text-align:center}
.section-head h2{margin-bottom:12px}
.section-head p{color:var(--muted);font-size:15.5px}

/* ===== about ===== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.about-intro h2{margin:14px 0 16px}
.about-intro p{color:var(--muted);font-size:15px;margin-bottom:12px}
.about-highlight{margin-top:22px;background:#fff;border:1px solid var(--line);border-left:4px solid var(--violet);border-radius:14px;padding:18px 20px;box-shadow:var(--shadow)}
.about-highlight strong{display:block;font-size:15px;color:var(--ink);margin-bottom:6px}
.about-highlight span{font-size:14px;color:var(--muted)}
.ability-list li{display:grid;grid-template-columns:14px 1fr;gap:12px;padding:13px 0;border-bottom:1px dashed var(--line)}
.ability-list li:last-child{border-bottom:0}
.ability-list .dot{width:9px;height:9px;border-radius:50%;margin-top:9px;background:linear-gradient(135deg,#6b3cff,#ff4f97)}
.ability-list li:nth-child(3n+2) .dot{background:linear-gradient(135deg,#ff4f97,#ff9a3c)}
.ability-list li:nth-child(3n+3) .dot{background:linear-gradient(135deg,#0aa9bb,#6b3cff)}
.ability-title{display:block;font-weight:700;font-size:15px;color:var(--ink)}
.ability-desc{display:block;font-size:14px;color:var(--muted);margin-top:2px}

/* ===== grids & tiles ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.tile{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px 22px;box-shadow:0 10px 26px -20px rgba(74,42,150,.5);overflow:hidden;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.tile::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#6b3cff,#a24bff)}
.tile:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);border-color:#ded2ff}
.grid-3 .tile:nth-child(3n+2)::before{background:linear-gradient(90deg,#ff4f97,#ff9a3c)}
.grid-3 .tile:nth-child(3n+3)::before{background:linear-gradient(90deg,#0aa9bb,#6b3cff)}
.grid-2 .tile:nth-child(2n+2)::before{background:linear-gradient(90deg,#ff4f97,#ff9a3c)}
.tile h3{margin-bottom:8px}
.tile p{color:var(--muted);font-size:14.5px;line-height:1.75}
.tile-tag{display:inline-block;font-size:12px;font-weight:700;color:var(--violet);background:#f3eeff;border-radius:999px;padding:3px 10px;margin-bottom:12px}

/* tagcloud */
.tagcloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tagcloud span{display:inline-block;padding:8px 16px;border-radius:999px;font-size:13.5px;color:var(--ink-2);background:#fff;border:1px solid var(--line);transition:transform .2s ease,color .2s ease,border-color .2s ease,background .2s ease}
.tagcloud span:hover{transform:translateY(-2px);color:var(--violet);border-color:#ddd0ff;background:#f8f5ff}

/* ===== studio ===== */
.studio-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.studio-item{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease}
.studio-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift)}
.media{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#efe8ff,#ffe8f2)}
.media img{width:100%;height:100%;object-fit:cover}
.studio-body{padding:22px}
.studio-body h3{margin-bottom:8px}
.studio-body p{color:var(--muted);font-size:14.5px}
.mini-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:20px}
.mini-strip li{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;box-shadow:var(--shadow)}
.mini-strip strong{display:block;font-size:14.5px;color:var(--ink);margin-bottom:4px}
.mini-strip span{font-size:13.5px;color:var(--muted)}

/* ===== steps ===== */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;counter-reset:step}
.step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift)}
.step::before{counter-increment:step;content:counter(step);display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,#6b3cff,#ff4f97);color:#fff;font-weight:800;font-size:15px;margin-bottom:14px}
.step h3{font-size:16px;margin-bottom:6px}
.step p{color:var(--muted);font-size:14px}

/* ===== cases ===== */
.case-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift)}
.case-body{padding:20px 22px}
.case-body h3{margin-bottom:6px;font-size:16px}
.case-body p{color:var(--muted);font-size:14px}

/* ===== compare ===== */
.score-panel{display:grid;grid-template-columns:auto 1fr;gap:32px;align-items:center;background:linear-gradient(135deg,#241a4d,#3d2478 55%,#5b2f9a);border-radius:22px;padding:32px 34px;color:#fff;box-shadow:0 26px 50px -26px rgba(50,24,110,.75);margin-bottom:28px}
.score-main{text-align:center;padding-right:32px;border-right:1px solid rgba(255,255,255,.18)}
.score-num{display:block;font-size:52px;font-weight:800;line-height:1;letter-spacing:-.03em;color:#fff}
.score-num small{font-size:18px;font-weight:600;color:rgba(255,255,255,.72);margin-left:4px}
.score-stars{display:block;font-size:16px;letter-spacing:4px;color:#ffd166;margin-top:10px}
.score-label{display:block;font-size:13px;color:rgba(255,255,255,.75);margin-top:6px}
.score-copy h3{color:#fff;font-size:20px;margin-bottom:8px}
.score-copy p{color:rgba(255,255,255,.82);font-size:14.5px;line-height:1.8}
.score-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.score-tags span{font-size:12.5px;padding:5px 12px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);color:#fff}

.table-wrap{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;min-width:720px;font-size:14.5px}
thead th{background:#f7f3ff;color:var(--ink);font-weight:700;font-size:14px;text-align:left;padding:15px 18px;white-space:nowrap;border-bottom:1px solid var(--line)}
tbody td{padding:14px 18px;border-bottom:1px solid #f4f0ff;color:var(--ink-2);vertical-align:top}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:#fbf9ff}
td.hl{color:var(--violet);font-weight:700}
.table-note{margin-top:14px;font-size:13.5px;color:var(--muted)}

/* ===== reviews ===== */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.review{display:flex;flex-direction:column;gap:14px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease}
.review:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift)}
.review-stars{font-size:14px;letter-spacing:3px;color:#ff9a3c}
.review p{font-size:14.5px;color:var(--ink-2);line-height:1.8}
.review-author{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:14px;border-top:1px dashed var(--line)}
.avatar{flex:0 0 auto;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;color:#fff;background:linear-gradient(135deg,#6b3cff,#ff4f97)}
.review:nth-child(2) .avatar{background:linear-gradient(135deg,#ff4f97,#ff9a3c)}
.review:nth-child(3) .avatar{background:linear-gradient(135deg,#0aa9bb,#6b3cff)}
.review:nth-child(4) .avatar{background:linear-gradient(135deg,#6b3cff,#0aa9bb)}
.review:nth-child(5) .avatar{background:linear-gradient(135deg,#ff9a3c,#ff4f97)}
.review:nth-child(6) .avatar{background:linear-gradient(135deg,#3d2478,#6b3cff)}
.author-meta strong{display:block;font-size:14px;color:var(--ink)}
.author-meta span{display:block;font-size:12.5px;color:var(--muted)}

/* ===== faq ===== */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 20px;box-shadow:0 8px 22px -20px rgba(74,42,150,.55);transition:border-color .2s ease}
.faq-item:hover{border-color:#ddd0ff}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;cursor:pointer;list-style:none;padding:17px 0;font-size:15.5px;font-weight:700;color:var(--ink)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:22px;font-weight:400;line-height:1;color:var(--violet);transition:transform .25s ease}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding-bottom:18px;color:var(--muted);font-size:14.5px;line-height:1.8}

/* ===== insights ===== */
.insights-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:28px;align-items:start}
.article-slot{background:#fff;border:1px dashed #d9ccff;border-radius:16px;padding:22px;color:var(--muted);font-size:14px;line-height:1.8;box-shadow:var(--shadow);word-break:break-word}
.read-list li{border-bottom:1px dashed var(--line)}
.read-list li:last-child{border-bottom:0}
.read-list a{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 2px;font-size:15px;font-weight:600;color:var(--ink);transition:color .2s ease,transform .2s ease}
.read-list a::after{content:"→";color:var(--violet);font-weight:700;transition:transform .2s ease}
.read-list a:hover{color:var(--violet);transform:translateX(2px)}
.read-list a:hover::after{transform:translateX(3px)}

/* ===== partner ===== */
.partner-banner{display:grid;grid-template-columns:1.4fr auto;gap:28px;align-items:center;background:linear-gradient(120deg,#2a1a5c 0%,#4a2483 48%,#7b2fa8 100%);border-radius:22px;padding:38px 40px;box-shadow:0 26px 52px -28px rgba(48,22,110,.8);position:relative;overflow:hidden}
.partner-banner::after{content:"";position:absolute;width:320px;height:320px;border-radius:50%;right:-120px;top:-140px;background:radial-gradient(circle,rgba(255,79,151,.35),transparent 70%);pointer-events:none}
.partner-banner h2{color:#fff;margin-bottom:10px;position:relative;z-index:1}
.partner-banner p{color:rgba(255,255,255,.82);font-size:15px;position:relative;z-index:1}
.eyebrow.light{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.28);color:#fff;position:relative;z-index:1}
.partner-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1}

/* ===== contact ===== */
.contact-grid{display:grid;grid-template-columns:1.3fr .9fr;gap:24px;align-items:start}
.form-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:var(--shadow)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.field label{font-size:13.5px;font-weight:600;color:var(--ink-2)}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border-radius:11px;border:1px solid #e3ddf3;background:#fdfcff;font-size:14.5px;font-family:inherit;color:var(--ink);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:var(--violet);box-shadow:0 0 0 3px rgba(107,60,255,.14);background:#fff}
.field textarea{resize:vertical;min-height:112px}
.form-tip{font-size:12.5px;color:var(--muted);margin-top:12px;text-align:center}
.contact-card{background:linear-gradient(150deg,#241a4d,#3a2470 60%,#532c8e);border-radius:20px;padding:28px;color:#fff;box-shadow:0 26px 50px -26px rgba(48,22,110,.8)}
.contact-card h3{color:#fff;font-size:18px;margin-bottom:6px}
.contact-card > p{color:rgba(255,255,255,.76);font-size:13.5px;margin-bottom:18px}
.contact-list li{display:flex;justify-content:space-between;gap:14px;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.14);font-size:14px}
.contact-list li:last-child{border-bottom:0}
.contact-list span{color:rgba(255,255,255,.68);flex:0 0 auto}
.contact-list strong{color:#fff;font-weight:600;word-break:break-all;text-align:right}
.qr-box{margin-top:20px;padding-top:18px;border-top:1px solid rgba(255,255,255,.16);text-align:center}
.qr-box img{width:126px;margin:0 auto 10px;border-radius:12px;background:#fff;padding:5px}
.qr-box span{display:block;font-size:13px;color:rgba(255,255,255,.78)}

/* ===== footer ===== */
.site-footer{background:#f4f0ff;border-top:1px solid #e6dcff;color:#2b2445;padding:46px 0 22px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1.2fr;gap:34px;align-items:start}
.footer-brand .ai-page-logo{max-height:32px;width:auto;margin-bottom:12px}
.footer-brand p{font-size:13.5px;color:#5b5478;line-height:1.8;margin-bottom:12px}
.footer-brand .ai-page-home-link{display:inline-block;font-size:13.5px;font-weight:700;color:#4a3a8f;padding:6px 16px;border:1px solid #d7c9ff;border-radius:999px;background:#fff;transition:color .2s ease,border-color .2s ease,transform .2s ease}
.footer-brand .ai-page-home-link:hover{color:#6b3cff;border-color:#6b3cff;transform:translateY(-2px)}
.footer-col h3{font-size:14px;color:#2b2445;margin-bottom:12px;letter-spacing:.04em}
.footer-col ul li{font-size:13.5px;color:#5b5478;padding:5px 0;line-height:1.7;word-break:break-all}
.friend-links{display:flex;flex-wrap:wrap;gap:8px}
.friend-links a{font-size:13px;color:#4a3a8f;background:#fff;border:1px solid #e0d5ff;border-radius:999px;padding:5px 13px;transition:color .2s ease,border-color .2s ease,transform .2s ease}
.friend-links a:hover{color:#6b3cff;border-color:#6b3cff;transform:translateY(-2px)}
.footer-bottom{margin-top:30px;padding-top:18px;border-top:1px solid #e3d9ff;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px}
.footer-bottom p{font-size:13px;color:#5b5478}

/* ===== dock ===== */
.dock{position:fixed;right:16px;bottom:22px;z-index:70;display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.dock-btn{border:0;cursor:pointer;font-family:inherit;font-size:13.5px;font-weight:700;color:#fff;background:linear-gradient(135deg,#6b3cff,#a24bff);border-radius:12px;padding:12px 15px;box-shadow:0 12px 24px -12px rgba(107,60,255,.85);transition:transform .2s ease,box-shadow .2s ease,opacity .25s ease,visibility .25s ease}
.dock-btn:hover{transform:translateY(-2px)}
#backTop{background:#fff;color:#6b3cff;border:1px solid #e0d5ff;opacity:0;visibility:hidden}
#backTop.show{opacity:1;visibility:visible}
.kefu-panel{position:fixed;right:16px;bottom:100px;z-index:71;width:238px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;box-shadow:0 26px 54px -26px rgba(40,20,90,.55);display:none;text-align:center}
.kefu-panel.open{display:block;animation:pop .22s ease}
@keyframes pop{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:none}}
.kefu-panel img{width:130px;margin:0 auto 10px;border-radius:12px;border:1px solid var(--line)}
.kefu-panel p{font-size:12.5px;color:var(--muted);line-height:1.8}

/* ===== reveal ===== */
[data-reveal]{transition:opacity .6s ease,transform .6s ease}
.reveal-ready [data-reveal]{opacity:0;transform:translateY(18px)}
.reveal-ready [data-reveal].is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal-ready [data-reveal]{opacity:1;transform:none}
  .hero::before,.hero::after{animation:none}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* ===== responsive ===== */
@media (max-width:1080px){
  .nav{position:absolute;top:100%;left:0;right:0;display:none;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 20px 34px -24px rgba(40,20,90,.5);padding:8px 20px 16px;justify-content:flex-start}
  .nav.open{display:block}
  .nav-links{flex-direction:column;align-items:stretch;gap:0;width:100%}
  .nav-links a{padding:13px 6px;border-bottom:1px solid #f4f0ff;border-radius:0}
  .nav-links li:last-child a{border-bottom:0}
  .nav-toggle{display:flex;margin-left:auto}
  .header-cta{margin-left:10px}
  .about-grid{grid-template-columns:1fr;gap:28px}
  .contact-grid{grid-template-columns:1fr}
  .insights-grid{grid-template-columns:1fr}
  .reviews{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .section{padding:52px 0}
  .partner-banner{grid-template-columns:1fr;padding:30px 26px}
  .score-panel{grid-template-columns:1fr;gap:22px;padding:26px}
  .score-main{border-right:0;border-bottom:1px solid rgba(255,255,255,.18);padding:0 0 18px}
  .mini-strip{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:700px){
  .grid-3,.grid-2,.studio-grid,.reviews,.steps{grid-template-columns:1fr}
  .hero{padding:56px 0 48px}
  .hero-stats{grid-template-columns:repeat(2,1fr);margin-top:34px}
  .form-row{grid-template-columns:1fr}
  .form-card{padding:22px}
  .contact-card{padding:22px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{justify-content:flex-start}
}
@media (max-width:520px){
  .header-cta{display:none}
  .brand-text{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .partner-actions{flex-direction:column}
  .partner-actions .btn{width:100%}
}