:root{--bg:#F5F7FF;--nav:rgba(12,18,40,.94);--title:#131A35;--primary:#5B6CFF;--deep:#16213E;--cyan:#00D4FF;--gold:#FFC857;--rose:#D94F70;--lavender:#7A5CFF;--text:#1F2740;--muted:#66708A;--line:rgba(91,108,255,.18);--shadow:0 20px 46px rgba(25,43,91,.14);--gradient:linear-gradient(135deg,#5B6CFF 0%,#7A5CFF 48%,#00D4FF 100%);--footer:#0B1024;--radius:24px;--container:1240px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;overflow-x:hidden;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.75;text-rendering:optimizeLegibility}body.drawer-open{overflow:hidden}img{max-width:100%;height:auto;display:block}a{color:inherit}button{font:inherit;cursor:pointer}.skip-link{position:fixed;left:12px;top:-80px;z-index:12000;padding:10px 16px;border-radius:10px;background:#fff;color:var(--title);box-shadow:var(--shadow);transition:top .2s}.skip-link:focus{top:12px}.container{width:min(calc(100% - 40px),var(--container));margin-inline:auto}.section{padding:88px 0}.section-sm{padding:58px 0}.section-tint{background:linear-gradient(180deg,rgba(234,247,255,.78),rgba(245,247,255,.34))}.section-deep{color:#eef2ff;background:linear-gradient(135deg,#11182f,#16213e 58%,#1d2752)}.section-deep h2,.section-deep h3{color:#fff}.section-head{max-width:760px;margin-bottom:34px}.section-head.center{text-align:center;margin-inline:auto}.section-kicker{display:inline-flex;align-items:center;gap:8px;margin-bottom:10px;color:var(--primary);font-weight:800;font-size:.9rem;letter-spacing:.08em}.section-kicker:before{content:"";width:28px;height:3px;border-radius:99px;background:var(--gradient)}h1,h2,h3,h4,p{margin-top:0}h1,h2,h3,h4{color:var(--title);line-height:1.28}h1{font-size:clamp(2.55rem,5.4vw,5.4rem);letter-spacing:-.04em;margin-bottom:20px}h2{font-size:clamp(1.9rem,3.2vw,3.15rem);letter-spacing:-.025em;margin-bottom:16px}h3{font-size:1.25rem;margin-bottom:10px}p{color:var(--muted)}.lead{font-size:clamp(1.05rem,1.5vw,1.22rem);color:#47516c}.main-btn,.secondary-btn,.soft-btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:12px 24px;border-radius:999px;text-decoration:none;font-weight:800;transition:transform .2s,box-shadow .2s}.main-btn{color:#fff;background:var(--gradient);box-shadow:0 14px 32px rgba(91,108,255,.22)}.main-btn:hover,.secondary-btn:hover{transform:translateY(-2px)}.secondary-btn{color:var(--primary);background:#fff;border:1px solid var(--line)}.soft-btn{color:#fff;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18)}.text-link{display:inline-flex;gap:6px;align-items:center;color:var(--primary);font-weight:800;text-decoration:none}.text-link:hover{text-decoration:underline}.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}.card,.zone-card,.info-card,.review-card,.faq-card{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius)}
.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% - 36px),1280px);min-height:72px;margin:0 auto;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:22px}.site-logo{display:inline-flex;align-items:center;gap:10px;color:#fff;text-decoration:none;white-space:nowrap}.site-logo img{width:auto;max-width:44px;max-height:44px;object-fit:contain}.site-logo strong{font-size:1.12rem}.nav-core{display:flex;align-items:center;justify-content:center;gap:6px}.nav-core a{color:#eef2ff;text-decoration:none;border-radius:999px;padding:8px 12px;font-size:.96rem;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}.header-cta{min-height:42px;padding:9px 18px;font-size:.92rem}.menu-toggle{width:44px;height:44px;border:1px solid rgba(255,255,255,.2);border-radius:50%;display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;color:#fff;background:rgba(255,255,255,.08)}.menu-toggle span{display:block;width:17px;height:2px;border-radius:9px;background:currentColor}.menu-mobile{display:none}.drawer-overlay{position:fixed;inset:0;z-index:10000;background:rgba(5,8,20,.58);opacity:0;transition:opacity .22s}.drawer-overlay.show{opacity:1}.site-drawer{position:fixed;inset:0 0 0 auto;z-index:10001;width:min(390px,92vw);padding:22px;transform:translateX(104%);transition:transform .24s;background:#f7f9ff;box-shadow:-20px 0 60px rgba(10,16,36,.24);overflow-y:auto}.site-drawer.open{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.drawer-brand{display:flex;align-items:center;gap:10px;color:var(--title);font-weight:900;text-decoration:none}.drawer-brand img{width:42px;max-height:42px;object-fit:contain}.drawer-close{width:42px;height:42px;border:0;border-radius:50%;color:var(--title);background:#fff;font-size:1.8rem;line-height:1}.drawer-nav{display:grid;gap:7px;margin:18px 0}.drawer-nav a{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-radius:14px;color:var(--text);background:#fff;text-decoration:none;border:1px solid transparent}.drawer-nav a:hover,.drawer-nav a.active{color:var(--primary);border-color:var(--line);background:#eef1ff}.drawer-nav b{color:#9AA4BA}.drawer-safety{padding:16px;border-radius:18px;color:#fff;background:linear-gradient(135deg,#16213e,#5b6cff)}.drawer-safety p{color:rgba(255,255,255,.8);margin-bottom:0;font-size:.9rem}
.home-hero{position:relative;isolation:isolate;overflow:hidden;padding:76px 0 56px;background:radial-gradient(circle at 12% 12%,rgba(122,92,255,.22),transparent 30%),radial-gradient(circle at 88% 24%,rgba(0,212,255,.22),transparent 30%),linear-gradient(135deg,#f5f3ff,#ecf8ff 52%,#fff4fb)}.hero-grid{display:grid;grid-template-columns:minmax(0,.95fr) minmax(420px,1.05fr);align-items:center;gap:54px}.hero-copy .eyebrow{display:inline-flex;align-items:center;padding:8px 13px;margin-bottom:18px;border-radius:999px;color:var(--primary);background:rgba(255,255,255,.72);border:1px solid var(--line);font-weight:800}.hero-copy h1 span{display:block;margin-top:8px;font-size:.38em;letter-spacing:.02em;color:var(--primary)}.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 0;padding:0;list-style:none}.hero-points li{padding:8px 13px;border-radius:999px;color:#394463;background:rgba(255,255,255,.82);border:1px solid var(--line);font-weight:700;font-size:.92rem}.hero-visual{position:relative;min-height:520px;display:grid;place-items:center}.hero-visual>img{width:min(100%,650px);max-height:590px;object-fit:contain;filter:drop-shadow(0 28px 44px rgba(25,43,91,.2))}.floating-card{position:absolute;width:190px;padding:14px;border-radius:18px;background:rgba(255,255,255,.9);border:1px solid var(--line);box-shadow:0 16px 36px rgba(25,43,91,.16)}.floating-card strong{display:block;color:var(--title)}.floating-card span{color:var(--muted);font-size:.86rem}.float-one{left:0;top:14%}.float-two{right:0;bottom:11%}.highlight-strip{padding:24px 0;background:#fff;border-block:1px solid rgba(91,108,255,.08)}.highlight-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.highlight-item{padding:17px 18px;border-radius:18px;background:linear-gradient(180deg,#fff,#f8faff);border:1px solid var(--line)}.highlight-item strong{display:block;margin-bottom:5px;color:var(--title)}.highlight-item p{margin:0;font-size:.91rem}.channel-pills{display:flex;flex-wrap:wrap;gap:12px}.channel-pill{flex:1 1 200px;min-width:0;padding:17px 18px;border-radius:999px;background:#fff;border:1px solid var(--line);box-shadow:0 10px 24px rgba(25,43,91,.08);text-decoration:none}.channel-pill strong{display:block;color:var(--title)}.channel-pill span{display:block;overflow:hidden;color:var(--muted);font-size:.86rem;white-space:nowrap;text-overflow:ellipsis}.media-split,.inner-hero-grid,.security-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:34px;align-items:center}.media-frame{padding:16px;border-radius:30px;background:linear-gradient(135deg,rgba(91,108,255,.14),rgba(0,212,255,.12))}.media-frame img{width:100%;max-height:560px;object-fit:contain;border-radius:22px}.metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px}.metric{padding:16px;border-radius:17px;background:#fff;border:1px solid var(--line)}.metric strong{display:block;color:var(--title)}.metric span{color:var(--muted);font-size:.85rem}.zone-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.zone-card{overflow:hidden}.zone-card img{width:100%;max-height:310px;object-fit:contain;background:linear-gradient(135deg,#eff8ff,#f4f0ff)}.zone-body{padding:26px}.zone-body ul{color:var(--muted);padding-left:20px}.triple-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.service-card{padding:24px}.service-card img{width:100%;height:210px;object-fit:contain;border-radius:18px;margin-bottom:20px;background:#f4f7ff}.badge{display:inline-flex;padding:5px 10px;margin-bottom:10px;border-radius:999px;color:var(--primary);background:#eef1ff;font-weight:800;font-size:.82rem}.security-grid{align-items:stretch}.security-card{padding:28px;border-radius:26px}.security-card.light{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}.security-card.dark{color:#fff;background:linear-gradient(135deg,#11182f,#25336b)}.security-card.dark h3{color:#fff}.security-card.dark p,.security-card.dark li{color:rgba(255,255,255,.78)}.security-card img{width:100%;max-height:280px;object-fit:contain;margin-bottom:22px}.check-list{margin:18px 0 0;padding:0;list-style:none}.check-list li{position:relative;padding-left:28px;color:var(--muted)}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--primary);font-weight:900}.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.review-card{padding:23px}.reviewer{display:flex;align-items:center;gap:10px;color:var(--title);font-weight:800}.reviewer:before{content:"";width:36px;height:36px;border-radius:50%;background:var(--gradient);box-shadow:inset 0 0 0 8px rgba(255,255,255,.72)}.faq-list{display:grid;gap:12px}details.faq-card{padding:0 22px;box-shadow:none}details[open]{box-shadow:0 14px 32px rgba(25,43,91,.1)}details summary{list-style:none;padding:20px 34px 20px 0;color:var(--title);font-weight:800;cursor:pointer;position:relative}details summary::-webkit-details-marker{display:none}details summary:after{content:"+";position:absolute;right:0;top:17px;width:28px;height:28px;display:grid;place-items:center;border-radius:50%;color:var(--primary);background:#eef1ff}details[open] summary:after{content:"−"}details .answer{padding:0 0 20px}details .answer p{margin:0}.notice-band{padding:32px;border-radius:28px;background:linear-gradient(135deg,#fff4d6,#eef8ff 55%,#f4efff);border:1px solid rgba(255,200,87,.36)}
.inner-hero{position:relative;overflow:hidden;padding:70px 0 56px;background:linear-gradient(135deg,#f2f0ff,#ecf9ff 58%,#fff7fb)}.inner-hero h1{font-size:clamp(2.5rem,4.7vw,4.8rem)}.inner-visual{padding:20px;border-radius:32px;background:rgba(255,255,255,.7);border:1px solid var(--line);box-shadow:var(--shadow)}.inner-visual img{width:100%;max-height:470px;object-fit:contain}.hero-mini-list{display:grid;gap:9px;margin:24px 0 0;padding:0;list-style:none}.hero-mini-list li{display:flex;gap:10px;color:var(--muted)}.hero-mini-list li:before{content:"●";color:var(--cyan)}.content-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);gap:28px;align-items:start}.article-stack{display:grid;gap:20px}.article-card{padding:28px}.article-card p:last-child{margin-bottom:0}.side-stack{display:grid;gap:18px;position:sticky;top:94px}.side-card{padding:22px;border-radius:22px;background:#fff;border:1px solid var(--line);box-shadow:0 14px 32px rgba(25,43,91,.09)}.side-card.deep{color:#fff;background:linear-gradient(135deg,#11182f,#263471)}.side-card.deep h3{color:#fff}.side-card.deep p{color:rgba(255,255,255,.74)}.side-links{display:grid;gap:9px}.side-links a{padding:10px 12px;border-radius:12px;color:var(--primary);background:#f3f5ff;text-decoration:none;font-weight:700}.step-list{counter-reset:steps;display:grid;gap:14px;margin-top:22px}.step-item{position:relative;padding:16px 16px 16px 58px;border-radius:17px;background:#f7f9ff;border:1px solid rgba(91,108,255,.11)}.step-item:before{counter-increment:steps;content:counter(steps);position:absolute;left:15px;top:15px;width:30px;height:30px;display:grid;place-items:center;border-radius:50%;color:#fff;background:var(--gradient);font-weight:900}.step-item strong{display:block;color:var(--title)}.step-item p{margin-bottom:0;font-size:.92rem}.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.related-card{padding:20px;border-radius:20px;background:#fff;border:1px solid var(--line);text-decoration:none}.related-card strong{display:block;color:var(--title)}.related-card span{color:var(--muted);font-size:.88rem}
.site-footer{padding:68px 0 110px;color:#eef2ff;background:var(--footer)}.footer-inner{width:min(calc(100% - 40px),var(--container));margin:0 auto;display:grid;grid-template-columns:1.05fr 1.95fr;gap:60px}.footer-logo{display:inline-flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:900;font-size:1.18rem}.footer-logo img{width:44px;max-height:44px;object-fit:contain}.footer-brand p{color:rgba(238,242,255,.68);max-width:450px;margin-top:18px}.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.footer-links h2{color:#fff;font-size:1rem;margin-bottom:14px}.footer-links a{display:block;color:rgba(238,242,255,.68);text-decoration:none;font-size:.92rem;margin:8px 0}.footer-note{width:min(calc(100% - 40px),var(--container));margin:42px auto 0;padding-top:24px;border-top:1px solid rgba(255,255,255,.1)}.footer-note p{color:rgba(238,242,255,.56);margin-bottom:8px;font-size:.88rem}.mobile-quick-nav{display:none}
@media(max-width:1050px){.nav-core{gap:1px}.nav-core a{padding-inline:8px;font-size:.9rem}.hero-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-inner{grid-template-columns:1fr}}
@media(max-width:860px){body{padding-bottom:76px}.header-inner{width:min(calc(100% - 22px),1280px);min-height:64px;grid-template-columns:auto 1fr auto;gap:10px}.menu-mobile{display:inline-flex}.menu-desktop,.nav-core{display:none}.site-logo{justify-self:center}.site-logo strong{display:none}.site-logo img{max-height:38px;max-width:108px}.header-actions{justify-self:end}.header-cta{min-height:38px;padding:8px 13px;font-size:.84rem}.hero-grid,.media-split,.inner-hero-grid,.security-grid,.content-grid{grid-template-columns:1fr}.home-hero{padding-top:48px}.highlight-grid{grid-template-columns:repeat(2,1fr)}.triple-grid,.review-grid,.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.side-stack{position:static}.footer-links{grid-template-columns:repeat(2,1fr)}.mobile-quick-nav{position:fixed;inset:auto 10px 10px;z-index:9000;display:grid;grid-template-columns:repeat(4,1fr);min-height:58px;padding:7px;border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.94);box-shadow:0 18px 40px rgba(10,16,36,.2);backdrop-filter:blur(14px)}.mobile-quick-nav a{display:grid;place-items:center;border-radius:14px;color:var(--muted);text-decoration:none;font-weight:800;font-size:.84rem}.mobile-quick-nav a.active{color:var(--primary);background:#eef1ff}.site-footer{padding-bottom:128px}}
@media(max-width:620px){.container{width:min(calc(100% - 28px),var(--container))}.section{padding:66px 0}.section-sm{padding:44px 0}h1{font-size:clamp(2.3rem,13vw,3.8rem)}h2{font-size:clamp(1.75rem,8vw,2.45rem)}.hero-visual{min-height:330px}.floating-card{width:152px;padding:11px}.highlight-grid,.zone-grid,.triple-grid,.review-grid,.related-grid,.metric-row{grid-template-columns:1fr}.channel-pill{flex-basis:100%;border-radius:20px}.zone-body,.article-card,.security-card{padding:22px}.footer-links{grid-template-columns:1fr 1fr}.notice-band{padding:24px}}