*,*::before,*::after{box-sizing:border-box}
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",sans-serif;color:#0f1333;font-size:16px;line-height:1.7;background-color:#f5f6fb;background-image:radial-gradient(1200px 560px at 6% -8%,rgba(47,43,255,.14),transparent 62%),radial-gradient(900px 480px at 94% 2%,rgba(255,90,43,.13),transparent 60%),radial-gradient(1100px 620px at 50% 104%,rgba(0,194,160,.10),transparent 62%);background-repeat:no-repeat}
body::before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;background-image:linear-gradient(rgba(15,19,51,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(15,19,51,.03) 1px,transparent 1px);background-size:64px 64px}
main,.site-footer{position:relative;z-index:1}
img{max-width:100%}
a{color:#2f2bff;text-decoration:none}
h1,h2,h3{color:#0f1333}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
section{padding:76px 0}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid #e6e8f4}
.header-inner{display:flex;align-items:center;gap:14px;min-height:70px;position:relative}
.brand{display:flex;align-items:center;gap:9px;flex:0 0 auto;color:#0f1333}
.brand-logo{display:flex;align-items:center;max-width:150px;height:38px;overflow:hidden}
.ai-page-logo{display:block;width:auto;max-height:38px;object-fit:contain}
.brand-name{font-weight:800;font-size:18px;white-space:nowrap;letter-spacing:.01em}
.nav-links{display:flex;align-items:center;justify-content:flex-end;gap:0;margin-left:auto}
.nav-links a{padding:8px 10px;font-size:14px;color:#3a4066;border-radius:8px;white-space:nowrap;transition:color .2s,background .2s}
.nav-links a:hover{color:#2f2bff;background:#eff0ff}
.header-cta{flex:0 0 auto;padding:9px 18px;font-size:14px}
.nav-toggle{display:none;width:40px;height:40px;border:1px solid #dfe2f0;background:#fff;border-radius:10px;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:0}
.nav-toggle span{display:block;width:18px;height:2px;background:#0f1333;border-radius:2px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:999px;font-weight:700;font-size:15px;border:1px solid transparent;cursor:pointer;font-family:inherit;line-height:1.4;transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease}
.btn-primary{background:linear-gradient(120deg,#2f2bff,#6a3bff 55%,#ff5a2b);color:#fff;box-shadow:0 10px 24px rgba(47,43,255,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,90,43,.30)}
.btn-ghost{background:#fff;color:#0f1333;border-color:#d9dcf0}
.btn-ghost:hover{border-color:#2f2bff;color:#2f2bff;transform:translateY(-2px)}
.btn-light{background:#fff;color:#1a1a8c;box-shadow:0 10px 24px rgba(15,19,51,.18)}
.btn-light:hover{transform:translateY(-2px)}

/* hero */
.hero{padding:64px 0 20px}
.hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.eyebrow{display:inline-block;margin:0 0 16px;font-size:13px;font-weight:800;letter-spacing:.08em;color:#2f2bff;background:#eaebff;border:1px solid #dcdeff;padding:5px 14px;border-radius:999px}
.hero h1{font-size:clamp(30px,4.4vw,50px);line-height:1.18;letter-spacing:-.02em;margin:0 0 18px}
.hl{background:linear-gradient(180deg,transparent 62%,#ffd233 62%);padding:0 3px}
.hero .lead{margin:0;font-size:16px;color:#454b6d;max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-points{list-style:none;display:flex;flex-wrap:wrap;gap:10px;padding:0;margin:26px 0 0}
.hero-points li{font-size:14px;font-weight:600;color:#0f1333;background:#fff;border:1px solid #e6e8f4;border-radius:999px;padding:7px 14px 7px 30px;position:relative}
.hero-points li::before{content:"";position:absolute;left:12px;top:50%;width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,#2f2bff,#ff5a2b);transform:translateY(-50%)}
.hero-copy>*{animation:rise .7s cubic-bezier(.22,.7,.3,1) both}
.hero-copy>*:nth-child(2){animation-delay:.06s}
.hero-copy>*:nth-child(3){animation-delay:.12s}
.hero-copy>*:nth-child(4){animation-delay:.18s}
.hero-copy>*:nth-child(5){animation-delay:.24s}
@keyframes rise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.hero-visual{position:relative;display:grid;place-items:center}
.orb{position:absolute;border-radius:50%;filter:blur(8px);opacity:.45}
.orb-1{width:180px;height:180px;background:radial-gradient(circle,#2f2bff,transparent 70%);top:-38px;right:-14px}
.orb-2{width:160px;height:160px;background:radial-gradient(circle,#ff5a2b,transparent 70%);bottom:-30px;left:-18px}
.visual-card{position:relative;z-index:2;width:100%;background:#fff;border:1px solid #e6e8f4;border-radius:22px;padding:24px;box-shadow:0 24px 50px rgba(15,19,51,.10)}
.visual-title{margin:0 0 16px;font-size:13px;font-weight:800;letter-spacing:.08em;color:#6a708f}
.chips{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:18px}
.chips span{font-size:13px;font-weight:700;padding:7px 13px;border-radius:999px;background:#f2f3fd;color:#2f2bff;border:1px solid #e2e4fb}
.chips span:nth-child(3n+2){background:#fff1ea;color:#d8400f;border-color:#ffdccd}
.chips span:nth-child(3n+3){background:#e9fbf5;color:#00806a;border-color:#c8f2e7}
.visual-foot{display:flex;align-items:center;gap:8px;font-size:13px;color:#6a708f;padding-top:14px;border-top:1px dashed #e6e8f4}
.visual-foot .dot{width:8px;height:8px;border-radius:50%;background:#00c2a0;box-shadow:0 0 0 4px rgba(0,194,160,.16)}

/* metrics */
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:44px}
.metric{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid #e6e8f4;border-radius:16px;padding:20px 22px;box-shadow:0 8px 24px rgba(15,19,51,.05)}
.metric strong{font-size:30px;font-weight:800;letter-spacing:-.02em;color:#2f2bff;line-height:1}
.metric span{font-size:14px;color:#4a5070;line-height:1.5}

/* section head */
.sec-head{max-width:760px;margin-bottom:38px}
.sec-head h2{font-size:clamp(23px,3.2vw,34px);line-height:1.3;letter-spacing:-.01em;margin:0 0 14px}
.sec-head p{margin:0;color:#4a5070;font-size:16px}

/* about */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:26px;align-items:start}
.about-text p{margin:0 0 16px;color:#3a4066;font-size:15.5px}
.text-link{font-weight:700;font-size:15px;color:#2f2bff}
.text-link:hover{color:#ff5a2b}
.about-list{list-style:none;margin:0;padding:26px;background:#fff;border:1px solid #e6e8f4;border-radius:20px;box-shadow:0 12px 32px rgba(15,19,51,.06);display:grid;gap:16px}
.about-list li{display:grid;gap:2px;padding-left:18px;position:relative}
.about-list li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;background:linear-gradient(135deg,#2f2bff,#ff5a2b)}
.about-list strong{font-size:15px;color:#0f1333}
.about-list span{font-size:14px;color:#5a6080;line-height:1.6}

/* services */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.svc-card{background:#fff;border:1px solid #e6e8f4;border-top:3px solid #2f2bff;border-radius:16px;padding:22px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.svc-card:nth-child(3n+2){border-top-color:#ff5a2b}
.svc-card:nth-child(3n+3){border-top-color:#00c2a0}
.svc-card h3{margin:0 0 8px;font-size:17.5px}
.svc-card p{margin:0;font-size:14.5px;color:#4a5070}
.svc-card:hover{transform:translateY(-5px);box-shadow:0 18px 38px rgba(47,43,255,.12);border-color:#c9ccff;border-top-color:#2f2bff}
.svc-card:nth-child(3n+2):hover{border-top-color:#ff5a2b}
.svc-card:nth-child(3n+3):hover{border-top-color:#00c2a0}
.tagcloud{margin-top:28px;background:#fff;border:1px solid #e6e8f4;border-radius:18px;padding:24px;box-shadow:0 8px 24px rgba(15,19,51,.05)}
.tagcloud-title{margin:0 0 14px;font-size:14px;font-weight:800;letter-spacing:.06em;color:#0f1333}
.tag-list{display:flex;flex-wrap:wrap;gap:9px}
.tag-list span{font-size:13px;color:#3a4066;background:#f4f5fb;border:1px solid #e6e8f4;border-radius:999px;padding:5px 13px;transition:transform .2s,color .2s,background .2s,border-color .2s}
.tag-list span:hover{color:#2f2bff;border-color:#c9ccff;background:#eff0ff;transform:translateY(-2px)}

/* build */
.build-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.build-card{background:#fff;border:1px solid #e6e8f4;border-radius:16px;padding:22px;transition:transform .25s ease,box-shadow .25s ease}
.build-card h3{margin:0 0 8px;font-size:16.5px}
.build-card p{margin:0;font-size:14px;color:#4a5070}
.build-card:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(47,43,255,.12);border-color:#c9ccff}
.build-media{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:24px}
.build-media img{width:100%;height:auto;display:block;border-radius:16px;border:1px solid #e6e8f4;background:#fff}
.build-extra{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:24px}
.build-extra p{margin:0;background:#fff;border:1px solid #e6e8f4;border-left:4px solid #ff5a2b;border-radius:14px;padding:18px 20px;font-size:14px;color:#4a5070}
.build-extra strong{display:block;color:#0f1333;font-size:15px;margin-bottom:4px}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{background:#fff;border:1px solid #e6e8f4;border-radius:16px;padding:22px;position:relative;transition:transform .25s ease,box-shadow .25s ease}
.step:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(47,43,255,.12)}
.step-label{margin:0 0 10px;font-size:13px;font-weight:800;letter-spacing:.1em;color:#ff5a2b}
.step h3{margin:0 0 8px;font-size:17px}
.step p{margin:0;font-size:14px;color:#4a5070}

/* solutions */
.solution-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.solution-card{background:#fff;border:1px solid #e6e8f4;border-radius:16px;padding:24px;transition:transform .25s ease,box-shadow .25s ease}
.solution-card h3{margin:0 0 10px;font-size:17.5px}
.solution-card p{margin:0;font-size:14.5px;color:#4a5070}
.solution-card:hover{transform:translateY(-5px);box-shadow:0 18px 38px rgba(47,43,255,.12);border-color:#c9ccff}

/* network */
.network-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.network-card{background:#fff;border:1px solid #e6e8f4;border-radius:16px;padding:22px;text-align:center;transition:transform .25s ease,box-shadow .25s ease}
.network-card h3{margin:0 0 8px;font-size:16px}
.network-card p{margin:0;font-size:14px;color:#4a5070}
.network-card:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(0,194,160,.16);border-color:#c8f2e7}

/* cases */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:start}
.case-card{background:#fff;border:1px solid #e6e8f4;border-radius:18px;overflow:hidden;transition:transform .25s ease,box-shadow .25s ease}
.case-card:hover{transform:translateY(-5px);box-shadow:0 20px 42px rgba(15,19,51,.13);border-color:#c9ccff}
.case-media{background:#f4f5fb;overflow:hidden}
.case-media img{width:100%;height:auto;display:block}
.case-body{padding:20px 22px 24px}
.case-body h3{margin:0 0 8px;font-size:17px}
.case-body p{margin:0;font-size:14px;color:#4a5070}

/* review */
.score-strip{display:flex;align-items:center;gap:20px;flex-wrap:wrap;background:#fff;border:1px solid #e6e8f4;border-left:6px solid #2f2bff;border-radius:16px;padding:20px 24px;margin-bottom:24px;box-shadow:0 12px 30px rgba(47,43,255,.08)}
.score-stars{margin:0;font-size:20px;letter-spacing:4px;color:#ffb020}
.score-num{margin:0;font-size:40px;line-height:1;font-weight:800;letter-spacing:-.02em;color:#1a1a8c}
.score-num span{font-size:16px;font-weight:600;color:#6a708f;margin-left:6px}
.score-desc{margin:0;font-size:15px;color:#3a4066;flex:1 1 260px;min-width:200px}
.table-scroll{overflow-x:auto;border-radius:18px;border:1px solid #e6e8f4;background:#fff;box-shadow:0 12px 30px rgba(15,19,51,.06)}
.review-table{width:100%;border-collapse:collapse;min-width:780px;font-size:15px}
.review-table thead th{background:#f7f8fd;color:#0f1333;font-weight:800;text-align:left;padding:16px 18px;white-space:nowrap;border-bottom:1px solid #e6e8f4}
.review-table tbody td{padding:15px 18px;border-bottom:1px solid #eef0f8;color:#3a4066;vertical-align:top}
.review-table tbody tr:last-child td{border-bottom:none}
.review-table thead th:nth-child(4),.review-table tbody td:nth-child(4){background:#f0f2ff;color:#1a1a8c;font-weight:700}

/* testimonials */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.review-card{background:#fff;border:1px solid #e6e8f4;border-radius:16px;padding:22px;display:flex;flex-direction:column;gap:12px;transition:transform .25s ease,box-shadow .25s ease}
.review-card:hover{transform:translateY(-4px);box-shadow:0 18px 38px rgba(47,43,255,.12);border-color:#c9ccff}
.review-stars{margin:0;color:#ffb020;letter-spacing:2px;font-size:14px}
.review-text{margin:0;color:#333a5c;font-size:14.5px;line-height:1.75}
.review-user{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:14px;border-top:1px dashed #e6e8f4}
.avatar{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font-weight:800;color:#fff;background:linear-gradient(135deg,#2f2bff,#ff5a2b);font-size:15px;flex:0 0 auto}
.review-user strong{display:block;font-size:14px;color:#0f1333}
.review-user span{display:block;font-size:12.5px;color:#6a708f}

/* pricing */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.price-card{background:#fff;border:1px solid #e6e8f4;border-radius:18px;padding:26px;display:flex;flex-direction:column;gap:14px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.price-card:hover{transform:translateY(-5px);box-shadow:0 18px 40px rgba(47,43,255,.12);border-color:#c9ccff}
.price-card.featured{border-color:#2f2bff;box-shadow:0 18px 40px rgba(47,43,255,.14)}
.price-head{display:flex;align-items:center;gap:10px}
.price-head h3{margin:0;font-size:18px}
.badge{font-size:12px;font-weight:800;color:#fff;background:linear-gradient(120deg,#2f2bff,#ff5a2b);border-radius:999px;padding:3px 10px}
.price-card ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;font-size:14.5px;color:#4a5070}
.price-card li{padding-left:20px;position:relative}
.price-card li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;background:#ff5a2b}
.price-note{margin:22px 0 0;font-size:13.5px;color:#6a708f}

/* help */
.help-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.help-card{background:#fff;border:1px solid #e6e8f4;border-radius:16px;padding:22px;transition:transform .25s ease,box-shadow .25s ease}
.help-card h3{margin:0 0 8px;font-size:16.5px}
.help-card p{margin:0;font-size:14px;color:#4a5070}
.help-card:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(47,43,255,.12);border-color:#c9ccff}

/* faq */
.faq-list{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:start}
.faq-item{background:#fff;border:1px solid #e6e8f4;border-radius:14px;padding:0 20px;transition:border-color .22s,box-shadow .22s}
.faq-item[open]{border-color:#c9ccff;box-shadow:0 12px 28px rgba(47,43,255,.10)}
.faq-item summary{list-style:none;cursor:pointer;padding:16px 32px 16px 0;font-weight:700;font-size:15.5px;position:relative;color:#0f1333}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:20px;font-weight:700;color:#2f2bff;line-height:1;transition:transform .22s}
.faq-item[open] summary::after{content:"−"}
.faq-item p{margin:0 0 18px;font-size:14.5px;color:#4a5070}

/* insights */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.article-card{display:flex;flex-direction:column;gap:8px;background:#fff;border:1px solid #e6e8f4;border-radius:16px;padding:22px;color:#0f1333;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.article-card h3{margin:0;font-size:16.5px;line-height:1.5}
.article-card p{margin:0;font-size:14px;color:#4a5070}
.article-card .arrow{margin-top:auto;padding-top:12px;font-size:14px;font-weight:700;color:#2f2bff}
.article-card:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(47,43,255,.12);border-color:#c9ccff}

/* partner band */
.partner-band{padding:0 0 12px}
.partner-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;background:linear-gradient(120deg,#2f2bff,#5b3bff 48%,#ff5a2b);border-radius:24px;padding:38px 40px;box-shadow:0 24px 50px rgba(47,43,255,.24)}
.partner-inner h2{margin:0 0 10px;font-size:clamp(21px,2.8vw,28px);color:#fff;line-height:1.35}
.partner-inner p{margin:0;color:rgba(255,255,255,.92);font-size:15px;max-width:640px}

/* contact */
.contact-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:24px;align-items:start}
.contact-form{background:#fff;border:1px solid #e6e8f4;border-radius:20px;padding:26px;display:grid;grid-template-columns:1fr 1fr;gap:16px;box-shadow:0 12px 32px rgba(15,19,51,.06)}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field-full{grid-column:1 / -1}
.field label{font-size:14px;font-weight:700;color:#0f1333}
.field input,.field select,.field textarea{width:100%;font-family:inherit;font-size:15px;color:#0f1333;padding:11px 14px;border:1px solid #dfe2f0;border-radius:10px;background:#fafbff;transition:border-color .2s,box-shadow .2s,background .2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:#2f2bff;background:#fff;box-shadow:0 0 0 3px rgba(47,43,255,.12)}
.field textarea{resize:vertical;min-height:112px}
.form-tip{margin:0;font-size:13px;color:#6a708f}
.contact-card{background:#fff;border:1px solid #e6e8f4;border-radius:20px;padding:24px;box-shadow:0 12px 32px rgba(15,19,51,.06)}
.contact-card h3{margin:0 0 16px;font-size:18px}
.contact-card ul{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.contact-card li{display:flex;justify-content:space-between;gap:12px;font-size:14px;padding-bottom:11px;border-bottom:1px dashed #eef0f8}
.contact-card li:last-child{border-bottom:none;padding-bottom:0}
.contact-card li span{color:#6a708f;flex:0 0 auto}
.contact-card li strong,.contact-card li a{color:#0f1333;font-weight:700;text-align:right;word-break:break-all}
.qr-box{margin-top:18px;padding-top:18px;border-top:1px solid #eef0f8;text-align:center}
.qr-box img{width:132px;height:132px;object-fit:contain;border-radius:12px;border:1px solid #e6e8f4;background:#fff;display:block;margin:0 auto 8px}
.qr-box p{margin:0;font-size:13px;color:#6a708f}

/* footer */
.site-footer{background:#0f1333;color:#c8cbe0;padding:46px 0 26px;margin-top:20px}
.footer-top{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap;padding-bottom:26px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand{max-width:340px}
.footer-logo{background:#fff;padding:8px 12px;border-radius:12px;max-height:44px}
.footer-brand p{margin:14px 0 0;font-size:14px;color:#a9add0;line-height:1.7}
.footer-links{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:10px 20px;align-content:flex-start}
.footer-links a{font-size:14px;color:#c8cbe0;transition:color .2s}
.footer-links a:hover{color:#ffd233}
.footer-links-title{width:100%;font-size:13px;font-weight:800;letter-spacing:.08em;color:#8e93bb;margin-bottom:2px}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:20px;font-size:13px;color:#8e93bb}
.footer-bottom a{color:#c8cbe0}
.footer-bottom a:hover{color:#ffd233}
.footer-bottom p{margin:0}

/* float tools */
.float-tools{position:fixed;right:18px;bottom:24px;z-index:60;display:flex;flex-direction:column;gap:10px}
.float-btn{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:#fff;color:#2f2bff;border:1px solid #dfe2f0;box-shadow:0 10px 24px rgba(15,19,51,.14);cursor:pointer;transition:transform .22s,box-shadow .22s,background .22s,color .22s;padding:0;font-family:inherit}
.float-btn:hover{transform:translateY(-3px);background:#2f2bff;color:#fff;border-color:#2f2bff;box-shadow:0 14px 30px rgba(47,43,255,.32)}
#backTop{opacity:0;visibility:hidden;transform:translateY(8px)}
#backTop.show{opacity:1;visibility:visible;transform:none}

/* reveal */
.reveal{transition:opacity .65s cubic-bezier(.22,.7,.3,1),transform .65s cubic-bezier(.22,.7,.3,1)}
.reveal.is-hidden{opacity:0;transform:translateY(20px)}

/* responsive */
@media (max-width:1120px){
  .nav-toggle{display:inline-flex;margin-left:auto}
  .nav-links{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0;margin-left:0;background:#fff;border-bottom:1px solid #e6e8f4;padding:6px 20px 14px;box-shadow:0 18px 30px rgba(15,19,51,.08)}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 6px;font-size:15px;border-radius:0;border-bottom:1px dashed #eef0f8}
  .nav-links a:hover{background:transparent}
  .header-cta{margin-left:0}
}
@media (max-width:980px){
  section{padding:58px 0}
  .hero{padding:48px 0 12px}
  .hero-inner{grid-template-columns:1fr;gap:28px}
  .hero-visual{display:none}
  .metrics{grid-template-columns:1fr;margin-top:32px}
  .about-grid,.svc-grid,.build-grid,.solution-grid,.network-grid,.case-grid,.review-grid,.price-grid,.help-grid,.article-grid,.steps,.build-extra{grid-template-columns:repeat(2,1fr)}
  .build-media{grid-template-columns:1fr}
  .faq-list{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .partner-inner{padding:30px 26px}
}
@media (max-width:640px){
  section{padding:48px 0}
  .wrap{padding:0 16px}
  .hero h1{font-size:28px}
  .svc-grid,.build-grid,.solution-grid,.network-grid,.case-grid,.review-grid,.price-grid,.help-grid,.article-grid,.steps,.build-extra,.about-grid{grid-template-columns:1fr}
  .contact-form{grid-template-columns:1fr;padding:20px}
  .score-strip{gap:12px;padding:18px}
  .score-num{font-size:32px}
  .score-desc{font-size:14px}
  .btn{padding:12px 22px;font-size:14.5px}
  .hero-actions .btn{flex:1 1 auto}
  .float-tools{right:12px;bottom:16px}
  .footer-top{gap:22px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .hero-copy>*{animation:none}
  .reveal{transition:none}
  .reveal.is-hidden{opacity:1;transform:none}
  .btn:hover,.svc-card:hover,.build-card:hover,.solution-card:hover,.network-card:hover,.case-card:hover,.review-card:hover,.price-card:hover,.help-card:hover,.article-card:hover,.float-btn:hover,.tag-list span:hover{transform:none}
}