:root{--bg:#F5F7FF;--nav:rgba(12,18,40,.94);--title:#131A35;--brand:#5B6CFF;--deep:#16213E;--cyan:#00D4FF;--gold:#FFC857;--rose:#D94F70;--muted:#66708A;--soft:#9AA4BA;--card:#fff;--border:rgba(91,108,255,.18);--shadow:0 20px 46px rgba(25,43,91,.14);--btn:linear-gradient(135deg,#5B6CFF 0%,#7A5CFF 48%,#00D4FF 100%);--footer:#0B1024;--max:1240px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:#1F2740;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.75;overflow-x:hidden}body.drawer-open{overflow:hidden}img{max-width:100%;height:auto;vertical-align:middle}a{color:inherit}button,input,textarea{font:inherit}button{cursor:pointer}main{min-height:60vh}.container{width:min(calc(100% - 40px),var(--max));margin:auto}.narrow{width:min(calc(100% - 40px),920px);margin:auto}
.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{width:min(calc(100% - 40px),1280px);min-height:72px;margin:auto;display:grid;grid-template-columns:auto 1fr auto;gap:28px;align-items:center}.site-logo{display:inline-flex;align-items:center;gap:10px;color:#fff;text-decoration:none;white-space:nowrap}.site-logo img{width:42px;max-height:44px;object-fit:contain}.site-logo strong{font-size:20px}.nav-core{display:flex;justify-content:center;gap:8px}.nav-core a{color:#EEF2FF;text-decoration:none;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{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 24px;border:0;background:var(--btn);color:#fff;border-radius:999px;box-shadow:0 14px 32px rgba(91,108,255,.22);text-decoration:none;font-weight:700;transition:.2s}.main-btn:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(91,108,255,.3)}.menu-toggle{border:1px solid rgba(255,255,255,.18);color:#fff;background:rgba(255,255,255,.08);border-radius:999px;min-height:46px;padding:0 14px;display:inline-flex;align-items:center;gap:4px}.menu-toggle span{display:block;width:4px;height:4px;background:#fff;border-radius:50%}.menu-toggle em{font-style:normal;margin-left:5px}.menu-toggle-mobile{display:none;padding:0 13px;flex-direction:column;justify-content:center}.menu-toggle-mobile span{width:20px;height:2px;border-radius:2px}
.drawer-overlay{position:fixed;inset:0;z-index:10000;background:rgba(5,9,24,.56);opacity:0;transition:.22s}.drawer-overlay.is-visible{opacity:1}.site-drawer{position:fixed;top:0;right:0;width:min(420px,92vw);height:100dvh;z-index:10001;background:#fff;box-shadow:-20px 0 60px rgba(13,23,55,.25);padding:24px;overflow-y:auto;transform:translateX(105%);transition:.28s}.site-drawer.is-open{transform:translateX(0)}.drawer-head{display:flex;justify-content:space-between;align-items:center}.drawer-brand{display:flex;align-items:center;gap:10px;color:var(--title);font-weight:800;text-decoration:none}.drawer-brand img{width:42px;height:42px;object-fit:contain}.drawer-close{width:42px;height:42px;border:0;background:#EAF7FF;color:var(--title);border-radius:50%;font-size:28px}.drawer-intro{color:var(--muted);margin:22px 0 16px}.drawer-nav{display:grid;grid-template-columns:1fr 1fr;gap:10px}.drawer-nav a{text-decoration:none;color:var(--title);background:#F7F8FF;border:1px solid var(--border);border-radius:14px;padding:11px 13px}.drawer-nav a:hover{color:var(--brand);background:#EAF7FF}.drawer-note{margin-top:22px;padding:18px;border-radius:18px;background:linear-gradient(135deg,#EFF8FF,#F2EEFF)}.drawer-note p{margin:6px 0 0;color:var(--muted);font-size:14px}
.hero{position:relative;overflow:hidden;padding:84px 0 72px;background:radial-gradient(circle at 10% 10%,rgba(0,212,255,.18),transparent 28%),radial-gradient(circle at 90% 20%,rgba(217,79,112,.14),transparent 26%),linear-gradient(135deg,#F8FAFF,#EFEFFF 46%,#EAFBFF)}.hero-grid{display:grid;grid-template-columns:1.03fr .97fr;gap:58px;align-items:center}.section-kicker{display:inline-flex;align-items:center;gap:8px;color:#7A5CFF;font-size:14px;font-weight:800;letter-spacing:.12em}.section-kicker:before{content:"";width:28px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--gold),var(--cyan))}.hero h1{margin:12px 0 6px;color:var(--title);font-size:clamp(46px,7vw,84px);line-height:1.02;letter-spacing:-.05em}.hero h2{margin:0 0 22px;color:var(--deep);font-size:clamp(24px,3vw,38px);line-height:1.25}.hero-copy{color:var(--muted);font-size:17px;margin:0 0 28px}.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:18px}.text-link{color:var(--brand);text-decoration:none;font-weight:700}.text-link:hover{text-decoration:underline}.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}.hero-points span{padding:8px 13px;border-radius:999px;background:rgba(255,255,255,.76);border:1px solid var(--border);font-size:14px}.hero-visual{position:relative;min-height:520px;display:grid;place-items:center}.hero-visual>img{width:min(100%,600px);max-height:520px;object-fit:contain;filter:drop-shadow(0 28px 35px rgba(34,54,110,.2))}.float-card{position:absolute;background:rgba(255,255,255,.92);border-radius:20px;box-shadow:var(--shadow);padding:14px 16px}.float-card strong{display:block;color:var(--title)}.float-card span{color:var(--muted);font-size:13px}.float-card.one{left:0;top:12%}.float-card.two{right:0;bottom:12%}.float-card.three{left:5%;bottom:3%}
.highlight-strip{margin-top:-26px;position:relative;z-index:4}.highlight-grid{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:24px;overflow:hidden}.highlight-item{padding:24px;position:relative}.highlight-item+.highlight-item:before{content:"";position:absolute;left:0;top:24px;bottom:24px;width:1px;background:var(--border)}.highlight-item b{color:var(--title);font-size:17px}.highlight-item p{color:var(--muted);font-size:14px;margin:8px 0 0;line-height:1.65}
.section{padding:84px 0}.section-sm{padding:58px 0}.soft-bg{background:linear-gradient(180deg,rgba(234,247,255,.72),rgba(245,247,255,0))}.purple-bg{background:linear-gradient(135deg,#F0F1FF,#F7F2FF 55%,#EBFBFF)}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:34px}.section-heading.center{text-align:center;display:block;max-width:760px;margin:0 auto 38px}.section-heading h2{margin:8px 0 0;color:var(--title);font-size:clamp(30px,4vw,48px);line-height:1.2}.section-heading p{max-width:590px;color:var(--muted);margin:0}.pill-nav{display:flex;gap:12px;overflow-x:auto;padding:4px 2px 16px}.pill-nav a{flex:0 0 auto;min-width:148px;text-decoration:none;background:#fff;border:1px solid var(--border);border-radius:999px;padding:12px 18px;box-shadow:0 8px 20px rgba(25,43,91,.06)}.pill-nav strong{display:block;color:var(--brand);font-size:15px}.pill-nav span{display:block;color:var(--muted);font-size:12px}.split{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}.split.reverse .split-media{order:2}.split.reverse .split-copy{order:1}.split-media img,.media-panel img{width:100%;max-height:520px;object-fit:contain;border-radius:28px;filter:drop-shadow(0 24px 32px rgba(31,47,95,.14))}.split-copy h2,.split-copy h1{color:var(--title);margin:8px 0 18px;font-size:clamp(32px,4vw,52px);line-height:1.18}.split-copy p{color:var(--muted)}.feature-list{display:grid;gap:12px;margin:24px 0 28px;padding:0;list-style:none}.feature-list li{position:relative;padding-left:30px}.feature-list li:before{content:"✓";position:absolute;left:0;top:1px;width:21px;height:21px;border-radius:50%;display:grid;place-items:center;color:#fff;background:var(--btn);font-size:12px}.inline-links{display:flex;flex-wrap:wrap;gap:18px;margin-top:22px}
.card,.zone-card,.review-card,.article-section,.side-card{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:22px}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.card{padding:26px}.card img{width:100%;height:210px;object-fit:contain;margin-bottom:18px}.card h3{margin:0 0 10px;color:var(--title);font-size:22px}.card p{margin:0 0 16px;color:var(--muted)}.dual-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}.zone-card{overflow:hidden}.zone-media{background:linear-gradient(135deg,#EEF2FF,#E9FAFF);padding:24px;min-height:280px;display:grid;place-items:center}.zone-card img{width:100%;max-height:250px;object-fit:contain}.zone-copy{padding:28px}.zone-copy h3{color:var(--title);font-size:28px;margin:0 0 12px}.zone-copy p{color:var(--muted);margin:0 0 15px}.service-points{display:grid;gap:12px;margin:20px 0}.service-point{padding:14px 16px;border-radius:16px;background:#F7F8FF;border:1px solid rgba(91,108,255,.1)}.service-point strong{display:block;color:var(--title)}.service-point span{color:var(--muted);font-size:14px}
.safety-band{background:#11182F;color:#EAF0FF;border-radius:32px;padding:44px;overflow:hidden}.safety-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}.safety-band h2{color:#fff;font-size:clamp(30px,4vw,46px);margin:8px 0 16px}.safety-band p{color:#BBC7E7}.safety-images{display:grid;grid-template-columns:1fr 1fr;gap:16px}.safety-images img{background:rgba(255,255,255,.08);border-radius:22px;padding:12px;width:100%;height:230px;object-fit:contain}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.review-card{padding:24px}.review-card .stars{color:var(--gold);letter-spacing:3px}.review-card p{color:var(--muted);margin:12px 0 18px}.review-card strong{color:var(--title)}.review-card span{display:block;color:var(--soft);font-size:13px}
.faq-list{display:grid;gap:14px}.faq-item{background:#fff;border:1px solid var(--border);border-radius:18px;overflow:hidden}.faq-item button{width:100%;border:0;background:transparent;color:var(--title);padding:20px 22px;display:flex;justify-content:space-between;text-align:left;font-weight:700}.faq-item button:after{content:"+";font-size:24px;color:var(--brand)}.faq-item.is-open button:after{content:"−"}.faq-answer{display:none;padding:0 22px 20px;color:var(--muted)}.faq-item.is-open .faq-answer{display:block}.faq-answer p{margin:0}.notice-box{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start;padding:24px;background:#FFF4D6;border:1px solid rgba(255,200,87,.45);border-radius:20px}.notice-icon{width:46px;height:46px;display:grid;place-items:center;border-radius:50%;background:#fff;color:#9A6D00;font-weight:900;font-size:22px}.notice-box h3{margin:0 0 7px;color:var(--title)}.notice-box p{margin:0;color:#695C3A}
.inner-hero{padding:68px 0 54px;background:linear-gradient(135deg,#F8FAFF,#F0EEFF 55%,#E8FAFF);overflow:hidden}.breadcrumbs{display:flex;gap:8px;color:var(--muted);font-size:14px;margin-bottom:20px}.breadcrumbs a{color:var(--brand);text-decoration:none}.inner-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center}.inner-hero h1{color:var(--title);font-size:clamp(38px,6vw,64px);line-height:1.12;margin:10px 0 18px}.inner-hero p{color:var(--muted);font-size:17px}.inner-hero img{width:100%;max-height:430px;object-fit:contain;filter:drop-shadow(0 24px 28px rgba(31,47,95,.16))}.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:34px;align-items:start}.article-content{display:grid;gap:24px}.article-section{padding:30px}.article-section h2{color:var(--title);margin:0 0 14px;font-size:30px}.article-section p{color:var(--muted);margin:0 0 14px}.article-section ul{color:var(--muted);padding-left:20px}.side-panel{position:sticky;top:96px;display:grid;gap:18px}.side-card{padding:22px}.side-card h2{color:var(--title);font-size:20px;margin:0 0 12px}.side-card a{display:block;text-decoration:none;color:var(--brand);padding:8px 0;border-bottom:1px solid rgba(91,108,255,.1)}.side-card a.main-btn{color:#fff;padding:0 20px;border:0}.side-card p{color:var(--muted);font-size:14px}.step-grid{counter-reset:steps;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.step{counter-increment:steps;background:#fff;border:1px solid var(--border);border-radius:20px;padding:24px}.step:before{content:"0" counter(steps);display:inline-flex;color:#7A5CFF;font-weight:900;margin-bottom:14px}.step h3{color:var(--title);margin:0 0 8px}.step p{color:var(--muted);margin:0}.cta-panel{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:38px;border-radius:28px;background:linear-gradient(135deg,#151C3A,#252958 58%,#174D69);color:#fff}.cta-panel h2{margin:0 0 8px;color:#fff}.cta-panel p{margin:0;color:#C8D1EA;max-width:760px}
.site-footer{background:var(--footer);color:#EEF2FF;padding:64px 0 28px}.footer-inner{width:min(calc(100% - 40px),var(--max));margin:auto;display:grid;grid-template-columns:1.15fr 1.85fr;gap:72px}.footer-brand p{color:#AEB8D1;max-width:410px}.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}.footer-links h2{color:#fff;font-size:16px;margin:0 0 16px}.footer-links a{display:block;color:#AEB8D1;text-decoration:none;margin:9px 0;font-size:14px}.footer-compliance{width:min(calc(100% - 40px),var(--max));margin:42px auto 0;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;gap:30px;color:#8794B4;font-size:13px}.footer-compliance p{margin:0}.mobile-bottom-nav{display:none}
@media(max-width:1080px){.header-inner{gap:14px}.nav-core{gap:2px}.nav-core a{padding:8px;font-size:14px}.menu-toggle-desktop em{display:none}.card-grid{grid-template-columns:repeat(2,1fr)}.review-grid{grid-template-columns:repeat(2,1fr)}.footer-inner{grid-template-columns:1fr;gap:40px}}
@media(max-width:860px){body{padding-bottom:70px}.header-inner{width:min(calc(100% - 24px),1280px);min-height:66px;grid-template-columns:46px 1fr auto}.menu-toggle-mobile{display:inline-flex}.menu-toggle-desktop,.nav-core{display:none}.site-logo{justify-self:center}.site-header .site-logo strong{display:none}.header-actions{justify-self:end}.header-cta{min-height:40px;padding:0 15px;font-size:13px}.hero{padding:54px 0 58px}.hero-grid,.split,.inner-hero-grid,.safety-grid,.article-grid{grid-template-columns:1fr}.hero-visual{min-height:380px}.highlight-grid{grid-template-columns:1fr 1fr}.highlight-item:nth-child(3):before{display:none}.highlight-item:nth-child(n+3){border-top:1px solid var(--border)}.dual-grid{grid-template-columns:1fr}.article-grid{gap:22px}.side-panel{position:static;grid-template-columns:1fr 1fr}.step-grid{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr 1fr}.footer-compliance{flex-direction:column;gap:10px}.mobile-bottom-nav{position:fixed;left:12px;right:12px;bottom:10px;z-index:9000;display:grid;grid-template-columns:repeat(4,1fr);background:rgba(11,16,36,.94);backdrop-filter:blur(12px);border-radius:18px;overflow:hidden}.mobile-bottom-nav a{color:#EAF0FF;text-decoration:none;text-align:center;padding:8px 4px 7px;font-size:12px}.mobile-bottom-nav span{display:block;font-size:19px;line-height:1;color:var(--cyan)}}
@media(max-width:620px){.container,.narrow{width:min(calc(100% - 24px),var(--max))}.section{padding:62px 0}.section-sm{padding:46px 0}.hero h1{font-size:52px}.hero h2{font-size:27px}.hero-copy{font-size:15px}.hero-actions .main-btn{width:100%}.hero-visual{min-height:320px}.float-card{padding:10px 12px}.float-card span{display:none}.float-card.three{display:none}.highlight-grid{grid-template-columns:1fr}.highlight-item+.highlight-item:before{display:none}.highlight-item:nth-child(n+2){border-top:1px solid var(--border)}.section-heading{display:block}.section-heading p{margin-top:12px}.card-grid,.review-grid,.side-panel{grid-template-columns:1fr}.card img{height:180px}.safety-band{padding:28px 20px}.safety-images img{height:170px}.article-section{padding:23px 20px}.cta-panel{align-items:stretch;flex-direction:column;padding:28px 22px}.cta-panel .main-btn{width:100%}.drawer-nav{grid-template-columns:1fr}.notice-box{grid-template-columns:1fr}}