*{box-sizing:border-box}
:root{
  --bg:#F5F7FF;--nav:rgba(12,18,40,.94);--title:#131A35;--primary:#5B6CFF;
  --deep:#16213E;--cyan:#00D4FF;--gold:#FFC857;--rose:#D94F70;--lav:#7A5CFF;
  --text:#1F2740;--muted:#66708A;--soft:#9AA4BA;--card:#FFFFFF;--footer:#0B1024;
  --border:rgba(91,108,255,.18);--shadow:0 20px 46px rgba(25,43,91,.14);
  --gradient:linear-gradient(135deg,#5B6CFF 0%,#7A5CFF 48%,#00D4FF 100%);
}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}
body.drawer-open{overflow:hidden}
img{max-width:100%;height:auto;object-fit:contain}
a{color:var(--primary);text-decoration:none}
button,a{font:inherit}
.skip-link{position:fixed;left:16px;top:-100px;z-index:12000;background:#fff;color:#111;padding:10px 16px;border-radius:10px}
.skip-link:focus{top:12px}
.site-header{position:sticky;top:0;width:100%;z-index:9999;background:var(--nav);backdrop-filter:blur(12px);box-shadow:0 8px 26px rgba(25,43,91,.16)}
.header-inner{max-width:1280px;margin:0 auto;min-height:72px;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.site-logo,.footer-logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;letter-spacing:.04em;white-space:nowrap}
.site-logo img{width:44px;height:44px;display:block}
.nav-core{display:flex;align-items:center;justify-content:center;gap:8px;flex:1}
.nav-core a{color:#EEF2FF;border-radius:999px;padding:8px 12px;font-size:15px;white-space:nowrap}
.nav-core a:hover,.nav-core a.active{color:#fff;background:rgba(0,212,255,.16)}
.header-actions{display:flex;align-items:center;gap:10px}
.main-btn,.secondary-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 22px;border-radius:999px;font-weight:700;transition:transform .2s ease,box-shadow .2s ease}
.main-btn{background:var(--gradient);color:#fff;box-shadow:0 14px 32px rgba(91,108,255,.22)}
.main-btn:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 38px rgba(91,108,255,.3)}
.secondary-btn{background:#fff;color:var(--primary);border:1px solid var(--border)}
.menu-toggle{width:44px;height:44px;border:0;border-radius:50%;background:rgba(255,255,255,.11);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer}
.menu-toggle span{width:18px;height:2px;background:#fff;border-radius:2px}
.mobile-menu-toggle{display:none}
.drawer-overlay{position:fixed;inset:0;background:rgba(4,8,20,.58);z-index:10000;opacity:0;visibility:hidden;transition:.25s}
.site-drawer{position:fixed;top:0;right:0;width:min(390px,90vw);height:100dvh;background:#fff;z-index:10001;transform:translateX(104%);transition:transform .28s ease;padding:24px;overflow-y:auto;box-shadow:-24px 0 60px rgba(4,8,20,.2)}
.drawer-open .drawer-overlay{opacity:1;visibility:visible}
.drawer-open .site-drawer{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--border)}
.drawer-brand{display:flex;align-items:center;gap:10px;color:var(--title)}
.drawer-brand img{width:42px;height:42px}
.drawer-close{width:42px;height:42px;border:0;border-radius:50%;background:#EEF1FF;color:var(--title);font-size:28px;cursor:pointer}
.drawer-nav{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:22px 0}
.drawer-nav a{padding:12px 14px;border-radius:14px;background:#F5F7FF;color:var(--title);font-weight:600}
.drawer-nav a:hover{background:#EAF7FF;color:var(--primary)}
.drawer-note{padding:18px;border-radius:18px;background:linear-gradient(135deg,#EFF8FF,#FFF4F8);border:1px solid var(--border)}
.drawer-note p{margin:6px 0 0;color:var(--muted);font-size:14px}
main{display:block}
.container{width:min(1180px,calc(100% - 40px));margin:0 auto}
.section{padding:78px 0}
.section-tight{padding:52px 0}
.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--lav);font-size:13px;font-weight:800;letter-spacing:.12em}
.section-kicker::before{content:"";width:28px;height:3px;border-radius:999px;background:linear-gradient(90deg,var(--gold),var(--cyan))}
.section-title,h1,h2,h3{color:var(--title);line-height:1.3;margin-top:0}
.section-title{font-size:clamp(30px,4vw,48px);margin:12px 0 18px}
.section-intro{max-width:760px;color:var(--muted);font-size:17px;margin:0}
.card,.info-card,.review-card,.faq-item{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:22px}
.hero{position:relative;overflow:hidden;padding:74px 0 54px;background:radial-gradient(circle at 15% 20%,rgba(122,92,255,.22),transparent 32%),radial-gradient(circle at 82% 18%,rgba(0,212,255,.19),transparent 30%),linear-gradient(145deg,#F8F7FF 0%,#EDF8FF 48%,#FFF7FB 100%)}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;pointer-events:none}
.hero::before{width:260px;height:260px;background:rgba(255,200,87,.16);right:-80px;bottom:-90px}
.hero::after{width:160px;height:160px;background:rgba(217,79,112,.10);left:-50px;top:50px}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.hero-copy h1{font-size:clamp(50px,8vw,88px);letter-spacing:-.04em;margin:12px 0 10px}
.hero-subtitle{font-size:clamp(23px,3vw,34px);font-weight:800;color:var(--deep);margin:0 0 20px}
.hero-copy>p{font-size:17px;color:var(--muted);max-width:670px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:30px 0 22px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px}
.hero-points span,.tag{display:inline-flex;align-items:center;padding:7px 12px;border-radius:999px;background:#fff;border:1px solid var(--border);color:var(--title);font-size:14px;font-weight:700}
.hero-visual{position:relative}
.hero-visual::before{content:"";position:absolute;inset:8% 4%;border-radius:40px;background:var(--gradient);filter:blur(42px);opacity:.22}
.hero-visual img{position:relative;z-index:1;width:100%;max-height:600px}
.highlight-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:-18px;position:relative;z-index:2}
.highlight-card{padding:24px}
.highlight-card .number{font-size:13px;font-weight:800;color:var(--lav)}
.highlight-card h2{font-size:20px;margin:8px 0}
.highlight-card p{color:var(--muted);margin:0;font-size:15px}
.pill-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:30px}
.pill-link{display:block;background:#fff;border:1px solid var(--border);border-radius:999px;padding:16px 18px;box-shadow:0 10px 24px rgba(25,43,91,.08);color:var(--title)}
.pill-link strong{display:block;font-size:15px}
.pill-link span{display:block;color:var(--muted);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pill-link:hover{transform:translateY(-2px);border-color:rgba(91,108,255,.45)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:stretch}
.media-panel{padding:30px;display:grid;grid-template-columns:.92fr 1.08fr;gap:28px;align-items:center}
.media-panel.reverse{grid-template-columns:1.08fr .92fr}
.media-panel img{width:100%;max-height:430px}
.media-copy p,.dual-card p,.triple-card p{color:var(--muted)}
.feature-list{list-style:none;padding:0;margin:20px 0;display:grid;gap:10px}
.feature-list li{position:relative;padding-left:24px;color:var(--text)}
.feature-list li::before{content:"";position:absolute;left:0;top:.68em;width:10px;height:10px;border-radius:50%;background:var(--gradient)}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:800;color:var(--primary)}
.text-link::after{content:"→"}
.dual-card{padding:28px;overflow:hidden}
.dual-card img{width:100%;height:250px;object-fit:contain;margin-bottom:16px}
.triple-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.triple-card{padding:24px}
.triple-card img{height:180px;width:100%;object-fit:contain}
.security-wrap{background:linear-gradient(145deg,#11182F,#16213E);border-radius:32px;padding:36px;color:#EEF2FF;box-shadow:var(--shadow)}
.security-wrap h2,.security-wrap h3{color:#fff}
.security-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.security-card{display:grid;grid-template-columns:160px 1fr;gap:20px;align-items:center;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);padding:20px;border-radius:22px}
.security-card p{color:#C8D0E8}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:30px}
.review-card{padding:24px}
.review-card footer{background:none;color:var(--muted);font-size:14px}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:30px}
.faq-item{padding:24px}
.faq-item h3{font-size:18px;margin-bottom:10px}
.faq-item p{margin:0;color:var(--muted)}
.notice-band{border-radius:30px;padding:36px;background:linear-gradient(135deg,#FFF4D6,#EFF8FF 52%,#F4EDFF);border:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:30px}
.notice-band p{max-width:760px;margin:0;color:var(--muted)}
.about-mini{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}
.about-mini img{max-height:430px;width:100%}
.page-hero{padding:68px 0;background:radial-gradient(circle at 15% 10%,rgba(122,92,255,.18),transparent 28%),linear-gradient(145deg,#F8F7FF,#EDF8FF 60%,#FFF7FB)}
.page-hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center}
.page-hero h1{font-size:clamp(38px,6vw,66px);margin:12px 0 18px}
.page-lead{font-size:18px;color:var(--muted)}
.page-hero img{width:100%;max-height:470px}
.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:28px;align-items:start}
.article-card{padding:34px}
.article-card h2{font-size:28px;margin-top:34px}
.article-card h2:first-child{margin-top:0}
.article-card p{color:var(--muted);font-size:16px}
.side-stack{display:grid;gap:18px;position:sticky;top:96px}
.side-card{padding:24px}
.side-card h2{font-size:20px}
.side-card p{color:var(--muted);font-size:14px}
.side-card img{height:190px;width:100%}
.feedback-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:24px}
.feedback-row blockquote{margin:0;padding:24px;border-radius:20px;background:#fff;border:1px solid var(--border);box-shadow:0 14px 32px rgba(25,43,91,.10);color:var(--text)}
.feedback-row cite{display:block;color:var(--muted);margin-top:10px;font-style:normal;font-size:14px}
.cta-panel{margin-top:30px;padding:32px;border-radius:26px;background:linear-gradient(135deg,#16213E,#5B6CFF);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:24px}
.cta-panel h2{color:#fff;margin-bottom:8px}
.cta-panel p{color:#E6EAFF;margin:0}
.cta-panel .main-btn{background:#fff;color:var(--primary);box-shadow:none;white-space:nowrap}
.site-footer{background:var(--footer);color:#EEF2FF;padding:58px 0 0}
.footer-inner{width:min(1180px,calc(100% - 40px));margin:0 auto;display:grid;grid-template-columns:.9fr 2.1fr;gap:50px}
.footer-brand p{color:#AEB8D4;max-width:420px}
.footer-logo img{width:46px;height:46px}
.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.footer-links h2{font-size:16px;color:#fff;margin-bottom:14px}
.footer-links a{display:block;color:#BFC8E2;margin:8px 0;font-size:14px}
.footer-links a:hover{color:#fff}
.footer-bottom{margin-top:36px;border-top:1px solid rgba(255,255,255,.1);padding:20px;display:flex;gap:20px;justify-content:center;flex-wrap:wrap;text-align:center;color:#98A4C4;font-size:13px}
.footer-bottom p{margin:0}
.mobile-bottom-nav{display:none}
@media(max-width:1080px){
  .nav-core{gap:2px}.nav-core a{padding:8px 9px;font-size:14px}
  .pill-grid{grid-template-columns:repeat(3,1fr)}
  .highlight-grid{grid-template-columns:repeat(2,1fr)}
  .review-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:900px){
  .nav-core,.desktop-menu-toggle{display:none}
  .mobile-menu-toggle{display:flex}
  .site-logo{position:absolute;left:50%;transform:translateX(-50%)}
  .site-logo span{display:none}
  .header-inner{padding:0 16px}
  .header-actions{margin-left:auto}
  .header-cta{min-height:40px;padding:8px 15px;font-size:14px}
  .hero-grid,.page-hero-grid,.about-mini,.content-layout{grid-template-columns:1fr}
  .hero-copy{text-align:center}.hero-copy>p{margin-left:auto;margin-right:auto}.hero-actions,.hero-points{justify-content:center}
  .split,.security-grid{grid-template-columns:1fr}
  .triple-grid{grid-template-columns:1fr 1fr}
  .media-panel,.media-panel.reverse{grid-template-columns:1fr}
  .side-stack{position:static;grid-template-columns:1fr 1fr}
  .footer-inner{grid-template-columns:1fr}
}
@media(max-width:680px){
  body{padding-bottom:74px}
  .container{width:min(100% - 28px,1180px)}
  .section{padding:58px 0}.section-tight{padding:40px 0}
  .hero{padding:42px 0}.hero-copy h1{font-size:50px}.hero-subtitle{font-size:23px}
  .highlight-grid,.triple-grid,.review-grid,.faq-grid,.feedback-row,.side-stack{grid-template-columns:1fr}
  .pill-grid{grid-template-columns:1fr 1fr}.pill-link span{white-space:normal}
  .security-card{grid-template-columns:1fr;text-align:center}
  .notice-band,.cta-panel{align-items:flex-start;flex-direction:column}
  .article-card{padding:24px}.drawer-nav{grid-template-columns:1fr}
  .footer-links{grid-template-columns:1fr 1fr}
  .mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:9500;height:66px;padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(4,1fr);background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-top:1px solid var(--border);box-shadow:0 -8px 24px rgba(25,43,91,.10)}
  .mobile-bottom-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--muted);font-size:12px}
  .mobile-bottom-nav span{font-size:20px;color:var(--primary);line-height:1.2}
}
@media(max-width:420px){.pill-grid{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr}.header-cta{padding:8px 12px}}