:root{
 --bg:#F5F7FF;--nav:rgba(12,18,40,.94);--title:#131A35;--primary:#5B6CFF;--deep:#16213E;
 --cyan:#00D4FF;--gold:#FFC857;--violet:#7A5CFF;--text:#1F2740;--muted:#66708A;--soft:#9AA4BA;
 --card:#fff;--dark:#11182F;--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%);--max:1240px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.75;overflow-x:hidden}body.drawer-open{overflow:hidden}
a{color:inherit}img{max-width:100%;height:auto}.skip-link{position:fixed;top:-100px;left:16px;z-index:12000;padding:10px 16px;background:#fff;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;min-height:72px;margin:auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.site-logo,.drawer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:800}.site-logo img,.drawer-brand img{max-width:132px;max-height:44px;object-fit:contain;display:block}.site-logo strong{font-size:22px}
.nav-core{display:flex;align-items:center;gap:8px}.nav-core a{padding:8px 12px;border-radius:999px;color:#EEF2FF;text-decoration:none;white-space:nowrap}.nav-core a:hover,.nav-core a.active{background:rgba(0,212,255,.16);color:#fff}
.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;text-decoration:none;font-weight:800;transition:.2s}
.main-btn{color:#fff;background:var(--gradient);box-shadow:0 14px 32px rgba(91,108,255,.22)}.secondary-btn{color:var(--primary);background:#fff;border:1px solid var(--border)}.main-btn:hover,.secondary-btn:hover{transform:translateY(-2px)}
.menu-toggle{width:44px;height:44px;border:0;border-radius:14px;background:rgba(255,255,255,.1);display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer}.menu-toggle span{width:19px;height:2px;background:#fff;border-radius:99px}.mobile-menu-btn{display:none}
.drawer-mask{position:fixed;inset:0;background:rgba(6,10,28,.58);opacity:0;visibility:hidden;z-index:10000;transition:.25s}.site-drawer{position:fixed;top:0;right:0;width:min(390px,90vw);height:100dvh;padding:24px;background:#fff;z-index:10001;transform:translateX(105%);transition:.28s;overflow-y:auto;box-shadow:-24px 0 60px rgba(7,13,34,.25)}
.drawer-open .drawer-mask{opacity:1;visibility:visible}.drawer-open .site-drawer{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between}.drawer-brand{color:var(--title)}.drawer-close{width:42px;height:42px;border:0;border-radius:50%;background:#EAF7FF;font-size:28px;cursor:pointer}.site-drawer>p{color:var(--muted)}
.drawer-nav{display:grid;grid-template-columns:1fr 1fr;gap:10px}.drawer-nav a{padding:10px 12px;border-radius:12px;background:#f7f8ff;text-decoration:none}.drawer-nav a:hover{color:var(--primary);background:#eef0ff}.drawer-extra{display:flex;flex-wrap:wrap;gap:14px 20px;margin-top:24px;padding-top:18px;border-top:1px solid var(--border)}.drawer-extra a{color:var(--primary);text-decoration:none}
.container{width:min(100%,var(--max));margin:auto}.section{padding:82px 20px}.section-tight{padding:54px 20px}.section-kicker{color:#9A6C00;font-size:14px;font-weight:800;letter-spacing:.12em}.section-title{margin:8px 0 14px;color:var(--title);font-size:clamp(28px,4vw,46px);line-height:1.2}.section-lead{max-width:760px;color:var(--muted);font-size:17px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:34px}.text-link{color:var(--primary);font-weight:800;text-decoration:none}.text-link:hover{text-decoration:underline}
.hero{position:relative;overflow:hidden;padding:92px 20px 72px;background:radial-gradient(circle at 14% 18%,rgba(122,92,255,.2),transparent 30%),radial-gradient(circle at 86% 18%,rgba(0,212,255,.18),transparent 32%),linear-gradient(160deg,#f8f7ff,#eef8ff 55%,#fff7fb)}
.hero-grid,.inner-hero-grid,.split{display:grid;grid-template-columns:1.03fr .97fr;align-items:center;gap:52px}.hero-copy h1{margin:6px 0 18px;color:var(--title);font-size:clamp(64px,10vw,116px);line-height:.95;letter-spacing:-.05em}.hero-subtitle{margin:0 0 18px;color:var(--primary);font-size:clamp(24px,3vw,38px);font-weight:800}.hero-copy p,.prose p,.article-box p,.card p{color:var(--muted)}.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0}.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin:0;padding:0;list-style:none}.hero-points li{padding:8px 13px;border:1px solid var(--border);border-radius:999px;background:rgba(255,255,255,.8)}.hero-visual img{max-height:620px;object-fit:contain;display:block}
.highlight-strip{position:relative;z-index:2;margin-top:-22px;padding:0 20px}.highlight-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;padding:18px;background:rgba(255,255,255,.92);border:1px solid rgba(255,255,255,.95);border-radius:28px;box-shadow:var(--shadow)}.highlight-item{padding:18px;border-radius:18px;background:linear-gradient(145deg,#fff,#f5f7ff)}.highlight-item h2{margin:0 0 7px;color:var(--title);font-size:18px}.highlight-item p{margin:0;color:var(--muted);font-size:14px}
.pill-nav{display:flex;flex-wrap:wrap;gap:12px}.pill-link{flex:1 1 190px;min-width:180px;padding:15px 18px;border:1px solid var(--border);border-radius:18px;background:#fff;text-decoration:none;box-shadow:0 10px 30px rgba(25,43,91,.07)}.pill-link strong,.pill-link span{display:block}.pill-link strong{color:var(--title)}.pill-link span{color:var(--muted);font-size:13px}
.visual{padding:24px;border:1px solid var(--border);border-radius:30px;background:linear-gradient(145deg,#eef0ff,#effaff)}.visual img,.content-img{width:100%;max-height:520px;object-fit:contain;border-radius:24px;display:block}.split.reverse .visual{order:2}
.card,.review-card,.article-box,.side-card{background:#fff;border:1px solid var(--border);border-radius:22px;box-shadow:var(--shadow)}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.card-grid.two{grid-template-columns:repeat(2,1fr)}.card{padding:24px}.card h2,.card h3,.article-box h2,.article-box h3{color:var(--title);line-height:1.35}.card img{width:100%;height:220px;object-fit:contain;border-radius:18px;background:#f5f7ff;margin-bottom:18px}.media-card{overflow:hidden;padding:0}.media-card img{height:260px;border-radius:0;margin:0}.card-body{padding:24px}
.dark-section{background:var(--dark);color:#EEF2FF}.dark-section .section-title,.dark-section h2,.dark-section h3{color:#fff}.dark-section p{color:#c8d0e8}
.safety-band{padding:34px;border:1px solid var(--border);border-radius:30px;background:linear-gradient(135deg,#eef0ff,#eafaff 58%,#fff7e5)}.safety-band h2{color:var(--title)}.safety-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.safety-grid article{padding:18px;border-radius:18px;background:rgba(255,255,255,.82)}.safety-grid h3{margin:0 0 8px;color:var(--title)}.safety-grid p{margin:0;color:var(--muted)}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.review-card{padding:24px}.review-card p{margin:0}.review-card footer{margin-top:16px;color:var(--muted);font-size:14px}
.faq-list{display:grid;gap:14px}details{padding:0 20px;border:1px solid var(--border);border-radius:18px;background:#fff;box-shadow:0 12px 30px rgba(25,43,91,.07)}summary{position:relative;padding:18px 30px 18px 0;color:var(--title);font-weight:800;cursor:pointer;list-style:none}summary::-webkit-details-marker{display:none}summary:after{content:"+";position:absolute;right:0;color:var(--primary);font-size:24px}details[open] summary:after{content:"−"}details p{margin:0 0 20px;color:var(--muted)}
.inner-hero{padding:72px 20px 60px;background:radial-gradient(circle at 80% 12%,rgba(0,212,255,.17),transparent 30%),linear-gradient(145deg,#f7f6ff,#ecf8ff)}.inner-hero h1{margin:8px 0 18px;color:var(--title);font-size:clamp(38px,6vw,70px);line-height:1.12}.inner-hero p{color:var(--muted);font-size:17px}.inner-hero img{width:100%;max-height:430px;object-fit:contain;border-radius:28px;background:rgba(255,255,255,.55)}.breadcrumbs{display:flex;gap:8px;color:var(--muted);font-size:14px}.breadcrumbs a{color:var(--primary);text-decoration:none}
.article-shell{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:34px;align-items:start}.article-main{display:grid;gap:26px}.article-box{padding:30px;box-shadow:0 16px 40px rgba(25,43,91,.09)}.side-panel{position:sticky;top:98px;display:grid;gap:18px}.side-card{padding:22px;box-shadow:none}.side-card h2{margin-top:0;color:var(--title);font-size:20px}.side-card a{display:block;padding:8px 0;color:var(--primary);text-decoration:none;border-bottom:1px solid #edf0f9}
.step-list{counter-reset:steps;display:grid;gap:15px;padding:0;list-style:none}.step-list li{position:relative;padding:16px 18px 16px 58px;border-radius:16px;background:#f7f8ff;color:var(--muted)}.step-list li:before{counter-increment:steps;content:counter(steps);position:absolute;left:16px;top:15px;width:30px;height:30px;display:grid;place-items:center;border-radius:50%;background:var(--gradient);color:#fff;font-weight:800}.notice{padding:20px 22px;border-left:4px solid var(--primary);border-radius:14px;background:#EAF7FF;color:var(--muted)}
.cta-band{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:34px;border-radius:28px;background:var(--gradient);color:#fff}.cta-band h2{margin:0 0 8px}.cta-band p{margin:0;color:rgba(255,255,255,.85)}
.site-footer{padding:62px 20px 24px;background:#0B1024;color:#EEF2FF}.footer-inner{max-width:var(--max);margin:auto;display:grid;grid-template-columns:1fr 1.8fr;gap:60px}.footer-brand p{color:#b9c3df;max-width:420px}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.footer-links h2{font-size:16px}.footer-links a{display:block;padding:5px 0;color:#b9c3df;text-decoration:none}.footer-bottom{max-width:var(--max);margin:38px auto 0;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:24px;color:#9aa8ca;font-size:13px}.footer-bottom p{margin:0}.footer-bottom div{display:flex;gap:16px}.footer-bottom a{text-decoration:none}.mobile-bottom-nav{display:none}
@media(max-width:1040px){.nav-core{display:none}.mobile-menu-btn{display:inline-flex}.desktop-menu-btn{display:none}.hero-grid,.inner-hero-grid,.split{grid-template-columns:1fr}.hero-copy{text-align:center}.hero-actions,.hero-points{justify-content:center}.split.reverse .visual{order:0}.article-shell{grid-template-columns:1fr}.side-panel{position:static;grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){body{padding-bottom:72px}.header-inner{min-height:66px;padding:0 12px}.site-logo{position:absolute;left:50%;transform:translateX(-50%)}.site-logo img{max-width:92px;max-height:38px}.site-logo strong{display:none}.header-cta{min-height:40px;padding:8px 14px;font-size:13px}.section{padding:62px 16px}.section-tight{padding:44px 16px}.hero{padding:64px 16px 48px}.hero-copy h1{font-size:70px}.highlight-strip{margin-top:0;padding:0 16px}.highlight-grid{grid-template-columns:1fr 1fr;padding:12px}.card-grid,.card-grid.two,.review-grid,.safety-grid{grid-template-columns:1fr}.section-head{align-items:start;flex-direction:column}.side-panel{grid-template-columns:1fr}.article-box{padding:22px}.inner-hero{padding:48px 16px 42px}.inner-hero h1{font-size:42px}.cta-band{align-items:flex-start;flex-direction:column}.footer-inner{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr 1fr}.footer-bottom{flex-direction:column}.mobile-bottom-nav{position:fixed;left:10px;right:10px;bottom:8px;z-index:9000;display:grid;grid-template-columns:repeat(4,1fr);padding:8px;border-radius:20px;background:rgba(11,16,36,.95);backdrop-filter:blur(14px);box-shadow:0 16px 44px rgba(4,8,24,.3)}.mobile-bottom-nav a{display:flex;flex-direction:column;align-items:center;padding:5px;color:#b9c3df;text-decoration:none;font-size:12px}.mobile-bottom-nav a span{font-size:18px}.mobile-bottom-nav a.active{color:#fff}}
@media(max-width:480px){.drawer-nav{grid-template-columns:1fr}.highlight-grid{grid-template-columns:1fr}.main-btn,.secondary-btn{width:100%}.hero-actions{display:grid}.footer-links{grid-template-columns:1fr}}