:root{--bg:#f4f8ff;--card:#fff;--line:rgba(37,99,235,.16);--tx:#0f1d3a;--mu:#5a6a8c;--a:#2563eb;--b:#0891b2;--c:#7c3aed;--g:linear-gradient(135deg,#2563eb,#0891b2 60%,#7c3aed);--r:16px;--sh:0 10px 30px rgba(37,99,235,.10)}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:70px}
body{font-family:-apple-system,"PingFang SC","Microsoft YaHei",Segoe UI,sans-serif;background:var(--bg);color:var(--tx);line-height:1.7;overflow-x:hidden;
background-image:radial-gradient(900px 500px at 80% -10%,rgba(37,99,235,.14),transparent),radial-gradient(700px 500px at -10% 20%,rgba(124,58,237,.10),transparent),linear-gradient(rgba(37,99,235,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(37,99,235,.06) 1px,transparent 1px);background-size:auto,auto,40px 40px,40px 40px}
img,iframe{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.wrap{width:min(1120px,92%);margin:0 auto}
section{padding:80px 0}
h1,h2,h3{line-height:1.3}
.grad{background:var(--g);-webkit-background-clip:text;background-clip:text;color:transparent}
.muted{color:var(--mu)}
.sec-t{text-align:center;font-size:clamp(26px,4vw,38px);margin-bottom:12px}
.sec-s{text-align:center;color:var(--mu);margin-bottom:44px;max-width:640px;margin-inline:auto}
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;height:80px}
.brand img{height:58px;width:auto}
.nav{display:flex;gap:26px;align-items:center;font-size:15px;color:var(--mu)}
.nav a:hover,.nav a.on{color:var(--a)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);color:var(--tx);border-radius:8px;padding:6px 12px;font-size:18px;cursor:pointer}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:999px;background:var(--g);color:#fff;font-weight:700;border:0;cursor:pointer;box-shadow:0 8px 28px rgba(37,99,235,.30);transition:.25s}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 34px rgba(8,145,178,.35)}
.btn-o{background:#fff;color:var(--a);border:1px solid var(--line);box-shadow:none}
.btn-sm{padding:7px 18px;font-size:14px}
#notice{background:#e8f0ff;border-bottom:1px solid var(--line);text-align:center;padding:8px 12px;font-size:14px;color:#1e3a8a}
#notice span{color:var(--mu);margin-left:8px}
.hero{padding:90px 0 60px}
.hero .wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.pill{display:inline-block;padding:5px 14px;border:1px solid var(--line);border-radius:999px;color:var(--b);font-size:13px;background:var(--card);margin-bottom:18px}
.hero h1{font-size:clamp(32px,5.4vw,56px);margin-bottom:18px}
.hero p.lead{color:var(--mu);font-size:18px;margin-bottom:28px}
.cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:22px}
.ver{font-size:14px;color:var(--mu)}.ver b{color:var(--b)}
.shot{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff;box-shadow:0 20px 60px rgba(37,99,235,.18)}
.shot::before{content:"";display:block;height:30px;background:#e8f0ff linear-gradient(90deg,#ff5f57 0 0) 14px 50%/10px 10px no-repeat}
.shot img{width:100%;height:auto}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:56px}
.stat{text-align:center;padding:22px 10px;border:1px solid var(--line);border-radius:var(--r);background:var(--card)}
.stat b{display:block;font-size:28px}.stat span{color:var(--mu);font-size:14px}
.grid{display:grid;gap:20px}
.g3{grid-template-columns:repeat(3,1fr)}.g2{grid-template-columns:repeat(2,1fr)}
.card{box-shadow:var(--sh);padding:26px;border:1px solid var(--line);border-radius:var(--r);background:var(--card);transition:.25s}
.card:hover{transform:translateY(-4px);border-color:rgba(37,99,235,.5)}
.card .ic{font-size:30px;margin-bottom:10px}
.card h3{font-size:19px;margin-bottom:8px}.card p{color:var(--mu);font-size:15px}
.pain .card{border-left:3px solid #e11d48}
.alt{background:linear-gradient(180deg,transparent,rgba(37,99,235,.05),transparent)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.split.rev .shot{order:-1}
.steps{counter-reset:s}
.steps li{counter-increment:s;position:relative;padding:0 0 22px 56px}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:38px;height:38px;border-radius:50%;background:var(--g);color:#fff;font-weight:800;display:grid;place-items:center}
.steps b{display:block;font-size:18px}.steps span{color:var(--mu);font-size:15px}
.video{position:relative;aspect-ratio:16/9;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:0 20px 60px rgba(37,99,235,.18);max-width:900px;margin:0 auto}
.video iframe,.video video{position:absolute;inset:0;width:100%;height:100%;background:#000}
.dl{padding:30px;text-align:center}
.dl h3{font-size:22px}.dl p{color:var(--mu);margin:6px 0 20px}
.notes{text-align:left;max-width:560px;margin:26px auto 0;color:var(--mu)}
.notes h3{color:var(--tx);font-size:17px;margin-bottom:8px}
.notes li,.rel li{padding-left:18px;position:relative;margin:4px 0}
.notes li::before,.rel li::before{content:"▸";position:absolute;left:0;color:var(--b)}
.faq details{border:1px solid var(--line);border-radius:12px;background:var(--card);padding:16px 20px;margin-bottom:12px;max-width:820px;margin-inline:auto}
.faq summary{cursor:pointer;font-weight:600}.faq p{color:var(--mu);margin-top:10px}
.contact{display:flex;gap:36px;justify-content:center;flex-wrap:wrap;text-align:center}
.contact img{width:180px;border-radius:12px;border:1px solid var(--line);margin:0 auto 8px}
footer{border-top:1px solid var(--line);padding:36px 0;text-align:center;color:var(--mu);font-size:14px}
footer img{height:34px;width:auto;margin:0 auto 10px}
footer a{margin:0 8px}footer a:hover{color:var(--a)}
.rel{border:1px solid var(--line);background:var(--card);border-radius:var(--r);padding:24px;margin-bottom:18px}
.rel-latest{border-color:var(--a);box-shadow:0 0 30px rgba(37,99,235,.2)}
.rel-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px}
.rel-head h2{font-size:24px}.rel-head time{color:var(--mu);font-size:14px}
.tag{background:var(--g);color:#fff;font-size:12px;font-weight:700;padding:2px 10px;border-radius:999px}
.rel-dl{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.page-h{padding:60px 0 20px;text-align:center}.page-h h1{font-size:clamp(28px,4.5vw,44px)}
.reveal{opacity:0;transform:translateY(24px);transition:.7s}.reveal.in{opacity:1;transform:none}
@media(max-width:900px){
 section{padding:56px 0}
 .hero .wrap,.split{grid-template-columns:1fr}.split.rev .shot{order:0}
 .g3{grid-template-columns:1fr 1fr}.stats{grid-template-columns:1fr 1fr}
 .nav-toggle{display:block}
 .nav{display:none;position:absolute;top:80px;left:0;right:0;flex-direction:column;background:#fff;padding:18px;gap:16px;border-bottom:1px solid var(--line)}
 .nav-open .nav{display:flex}
}
@media(max-width:560px){.bar{height:68px}.brand img{height:48px}.nav{top:68px}.flow{flex-direction:column}.arrow{transform:rotate(90deg)}.g3,.g2{grid-template-columns:1fr}.hero{padding-top:50px}.btn{width:100%}.cta{flex-direction:column}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}.reveal{opacity:1;transform:none}}

.shot img{filter:saturate(1.3) contrast(1.08) brightness(1.04)}
.shot{position:relative;border:0;padding:3px;background:var(--g)!important}
.shot::before{display:none}
.shot img{border-radius:calc(var(--r) - 3px);background:#fff}
.shot-media{position:relative;aspect-ratio:800/523}
.shot-media .shot-animation{position:absolute;inset:0;opacity:0}
.shot-media .shot-animation.is-ready{opacity:1}
.video video{object-fit:contain}
.video-play{position:absolute;inset:0;width:100%;height:100%;border:0;background:rgba(15,29,58,.22);color:#fff;cursor:pointer;display:grid;place-items:center;font:inherit}
.video-play[hidden]{display:none}
.video-play span{padding:16px 28px;border-radius:16px;background:rgba(15,29,58,.85);font-size:20px;font-weight:700}
.video-play small{display:block;font-size:13px;font-weight:400;margin-top:4px}
.video-play:focus-visible{outline:3px solid var(--a);outline-offset:-5px}
.video-status{position:absolute;left:12px;right:12px;bottom:52px;padding:8px 12px;background:rgba(15,29,58,.9);color:#fff;border-radius:8px;text-align:center}
.privacy{display:grid;gap:30px;padding:34px;border-radius:24px;background:linear-gradient(135deg,#eaf2ff,#f3ecff);border:1px solid var(--line);box-shadow:var(--sh)}
.flow{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap}
.node{display:flex;flex-direction:column;align-items:center;gap:2px;min-width:170px;padding:18px 22px;border-radius:16px;background:#fff;border:1px solid var(--line);font-size:28px;text-align:center}
.node b{font-size:16px}.node small{font-size:13px;color:var(--mu)}
.node.hl{background:var(--g);color:#fff;box-shadow:0 10px 30px rgba(37,99,235,.35)}.node.hl small{color:#e0f2fe}
.arrow{font-size:26px;color:var(--a);font-weight:700}
.checks{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.checks li{background:#fff;border-radius:12px;padding:16px 18px;color:var(--mu);font-size:15px;border:1px solid var(--line)}
.checks b{display:block;color:var(--a);margin-bottom:4px;font-size:16px}.checks b::before{content:"✔ "}
.qr{text-align:center}
.qr-box{position:relative;padding:4px;border-radius:22px;background:var(--g);box-shadow:0 16px 40px rgba(37,99,235,.25);transition:.3s;width:min(240px,70vw);margin:0 auto 14px}
.qr-box:hover{transform:translateY(-6px) scale(1.03);box-shadow:0 24px 50px rgba(124,58,237,.35)}
.qr-box img{width:100%;height:auto;border-radius:19px;background:#fff}
.qr figcaption b{display:block;font-size:18px}.qr figcaption span{color:var(--mu);font-size:14px}
.float-contact{position:fixed;right:18px;bottom:22px;z-index:60}
.fc-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;width:62px;height:62px;border-radius:50%;background:var(--g);color:#fff;font-size:22px;line-height:1.1;box-shadow:0 8px 24px rgba(37,99,235,.45);animation:pulse 2.2s infinite}
.fc-btn span{font-size:11px}
.fc-pop{position:absolute;right:0;bottom:76px;width:210px;padding:12px;border-radius:16px;background:#fff;border:1px solid var(--line);box-shadow:0 16px 40px rgba(37,99,235,.28);text-align:center;opacity:0;visibility:hidden;transform:translateY(10px);transition:.25s}
.fc-pop img{width:100%;height:auto;border-radius:10px}.fc-pop p{font-size:13px;color:var(--mu);margin-top:6px}
.float-contact:hover .fc-pop,.float-contact:focus-within .fc-pop{opacity:1;visibility:visible;transform:none}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(37,99,235,.5)}70%{box-shadow:0 0 0 16px rgba(37,99,235,0)}100%{box-shadow:0 0 0 0 rgba(37,99,235,0)}}
.seo{padding:40px 0}.seo h2{font-size:16px;color:var(--mu);margin-bottom:8px}.seo p{font-size:13px;color:var(--mu);margin-bottom:6px}
@media(max-width:900px){.checks{grid-template-columns:1fr}.privacy{padding:22px}}

.free-badge{display:inline-block;padding:5px 14px;margin:0 6px 18px 0;border-radius:999px;background:linear-gradient(135deg,#f97316,#f43f5e);color:#fff;font-size:13px;font-weight:700;box-shadow:0 6px 18px rgba(244,63,94,.35);animation:glow 2s infinite}
.btn-free{background:linear-gradient(135deg,#f97316,#f43f5e);color:#fff;box-shadow:0 8px 28px rgba(244,63,94,.35)}
.btn-free:hover{box-shadow:0 12px 34px rgba(249,115,22,.5)}
.card.dl{position:relative;overflow:hidden}
.ribbon{position:absolute;top:16px;right:-34px;width:130px;transform:rotate(40deg);background:linear-gradient(135deg,#f97316,#f43f5e);color:#fff;font-size:13px;font-weight:700;padding:3px 0;text-align:center;box-shadow:0 4px 12px rgba(244,63,94,.4)}
@keyframes glow{0%,100%{box-shadow:0 6px 18px rgba(244,63,94,.35)}50%{box-shadow:0 6px 26px rgba(249,115,22,.7)}}