:root{--bg:#F5F7FF;--ink:#1F2740;--muted:#66708A;--soft:#9AA4BA;--title:#131A35;--brand:#5B6CFF;--violet:#7A5CFF;--cyan:#00D4FF;--gold:#FFC857;--red:#D94F70;--nav:#0C1228;--card:#fff;--line:rgba(91,108,255,.18);--shadow:0 20px 46px rgba(25,43,91,.14);--radius:24px;--gradient:linear-gradient(135deg,#5B6CFF 0%,#7A5CFF 48%,#00D4FF 100%)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.8;overflow-x:hidden}body.drawer-open{overflow:hidden}img{max-width:100%;height:auto;display:block}a{color:inherit}.container{width:min(1200px,calc(100% - 40px));margin:0 auto}.site-header{position:sticky;top:0;width:100%;z-index:9999;background:rgba(12,18,40,.94);backdrop-filter:blur(12px);box-shadow:0 8px 26px rgba(25,43,91,.16)}.header-inner{width:min(1280px,calc(100% - 32px));margin:0 auto;min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}.site-logo{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-size:1.25rem;min-width:max-content}.site-logo img{width:42px;height:42px;object-fit:contain;border-radius:13px}.nav-core{display:flex;align-items:center;gap:8px;margin-left:auto}.nav-core a{color:#EEF2FF;text-decoration:none;border-radius:999px;padding:8px 12px;font-size:.94rem;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:50px;padding:0 24px;background:var(--gradient);color:#fff;border-radius:999px;text-decoration:none;font-weight:700;box-shadow:0 14px 32px rgba(91,108,255,.22);transition:.25s ease}.main-btn:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(91,108,255,.32)}.main-btn.compact{min-height:42px;padding:0 18px;font-size:.92rem}.menu-toggle{width:42px;height:42px;border:0;border-radius:14px;background:rgba(255,255,255,.1);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer}.menu-toggle span{display:block;width:19px;height:2px;background:#fff;border-radius:4px}.mobile-menu-toggle{display:none}.site-drawer{position:fixed;z-index:10002;top:0;right:0;width:min(410px,90vw);height:100dvh;background:#fff;transform:translateX(105%);transition:transform .28s ease;box-shadow:-24px 0 60px rgba(11,16,36,.24);padding:24px;overflow-y:auto}.site-drawer.open{transform:translateX(0)}.drawer-mask{position:fixed;inset:0;z-index:10001;background:rgba(11,16,36,.54);opacity:0;transition:opacity .24s}.drawer-mask.visible{opacity:1}.drawer-head{display:flex;align-items:center;justify-content:space-between}.drawer-brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-size:1.3rem;font-weight:800;color:var(--title)}.drawer-brand img{width:42px;height:42px;object-fit:contain;border-radius:13px}.drawer-close{width:42px;height:42px;border:0;border-radius:50%;background:#EFF2FF;color:var(--title);font-size:1.8rem;cursor:pointer}.drawer-intro{color:var(--muted);font-size:.94rem}.drawer-nav{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:20px 0}.drawer-nav a{text-decoration:none;padding:12px 14px;border:1px solid var(--line);border-radius:15px;background:#FAFBFF;color:var(--title);font-weight:600}.drawer-nav a:hover{background:#EEF4FF;color:var(--brand)}.drawer-note{padding:16px;border-radius:18px;background:#FFF7E3;color:#785B18;font-size:.9rem}.hero{position:relative;isolation:isolate;overflow:hidden;padding:76px 0 60px;background:radial-gradient(circle at 15% 15%,rgba(122,92,255,.2),transparent 34%),radial-gradient(circle at 90% 18%,rgba(0,212,255,.2),transparent 30%),linear-gradient(145deg,#F7F4FF 0%,#EFF9FF 52%,#FFF6FC 100%)}.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;filter:blur(2px);z-index:-1}.hero:before{width:260px;height:260px;right:7%;top:8%;background:rgba(255,200,87,.12)}.hero:after{width:190px;height:190px;left:3%;bottom:3%;background:rgba(217,79,112,.1)}.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;align-items:center;gap:54px}.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-weight:800;letter-spacing:.08em;font-size:.86rem;text-transform:uppercase}.eyebrow:before,.section-kicker:before{content:"";width:26px;height:3px;border-radius:4px;background:var(--gradient)}h1,h2,h3,.section-title{color:var(--title);line-height:1.24;margin-top:0}.hero h1{font-size:clamp(3.4rem,8vw,6.8rem);margin:12px 0 4px;letter-spacing:-.05em}.hero-subtitle{font-size:clamp(1.45rem,3vw,2.45rem);font-weight:800;color:#273050;margin:0 0 18px}.hero-copy{font-size:1.04rem;color:#53607B;max-width:690px}.hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin:26px 0}.secondary-btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 22px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--brand);text-decoration:none;font-weight:700}.hero-points{display:flex;gap:10px;flex-wrap:wrap;padding:0;margin:22px 0 0;list-style:none}.hero-points li{padding:8px 13px;border-radius:999px;background:rgba(255,255,255,.82);border:1px solid rgba(91,108,255,.13);font-size:.92rem;color:#44516F}.hero-visual{position:relative}.hero-visual>img{width:100%;max-height:570px;object-fit:contain;filter:drop-shadow(0 28px 46px rgba(25,43,91,.18))}.float-card{position:absolute;padding:13px 16px;border-radius:18px;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);box-shadow:var(--shadow);font-weight:700;color:var(--title)}.float-card.one{left:-3%;top:14%}.float-card.two{right:-3%;bottom:14%}.highlight-strip{position:relative;margin-top:-20px;z-index:2}.highlight-grid{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);overflow:hidden}.highlight-item{padding:24px}.highlight-item:not(:last-child){border-right:1px solid var(--line)}.highlight-item h2{font-size:1.05rem;margin-bottom:6px}.highlight-item p{margin:0;color:var(--muted);font-size:.92rem}.section{padding:88px 0}.section.tight{padding:58px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:34px}.section-head h2{font-size:clamp(2rem,4vw,3.2rem);margin:8px 0 0}.section-head p{max-width:600px;margin:0;color:var(--muted)}.pill-nav{display:flex;gap:12px;flex-wrap:wrap}.pill{display:inline-flex;flex-direction:column;gap:2px;min-width:155px;padding:14px 18px;border-radius:18px;background:#fff;border:1px solid var(--line);text-decoration:none;box-shadow:0 12px 28px rgba(25,43,91,.08);transition:.2s}.pill strong{color:var(--title)}.pill span{font-size:.83rem;color:var(--muted)}.pill:hover{transform:translateY(-3px);border-color:rgba(91,108,255,.42)}.split{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:stretch}.media-card{display:grid;grid-template-columns:.95fr 1.05fr;gap:28px;align-items:center;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:28px;padding:30px;overflow:hidden}.media-card.reverse .media-copy{order:-1}.media-card img{width:100%;max-height:390px;object-fit:contain;border-radius:22px;background:linear-gradient(145deg,#F2F0FF,#EAF9FF)}.media-copy h2,.media-copy h3{margin:8px 0 14px}.media-copy p{color:var(--muted)}.text-link{display:inline-flex;align-items:center;gap:7px;color:var(--brand);font-weight:800;text-decoration:none}.text-link:after{content:"→"}.feature-card,.info-card,.review-card,.zone-card,.faq-item{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:22px}.feature-card{padding:28px}.feature-card img{width:100%;height:230px;object-fit:contain;border-radius:18px;background:#F2F6FF;margin-bottom:20px}.feature-card h3{font-size:1.45rem;margin-bottom:10px}.feature-card p{color:var(--muted)}.mini-list{padding:0;margin:16px 0;list-style:none}.mini-list li{position:relative;padding:9px 0 9px 26px;border-bottom:1px dashed rgba(91,108,255,.16)}.mini-list li:before{content:"";position:absolute;left:0;top:18px;width:10px;height:10px;border-radius:50%;background:var(--gradient)}.three-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.zone-card{padding:26px}.zone-card img{width:100%;height:200px;object-fit:contain;border-radius:18px;background:#F3F6FF;margin-bottom:18px}.zone-card p{color:var(--muted)}.safety-band{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;padding:36px;border-radius:30px;background:linear-gradient(145deg,#11182F,#19254B);color:#EDF3FF;overflow:hidden}.safety-band h2,.safety-band h3{color:#fff}.safety-band p{color:#C4CDE4}.safety-band img{width:100%;max-height:340px;object-fit:contain}.safety-points{display:grid;grid-template-columns:1fr 1fr;gap:12px}.safety-points div{padding:14px;border:1px solid rgba(255,255,255,.12);border-radius:16px;background:rgba(255,255,255,.06)}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.review-card{padding:24px}.review-card blockquote{margin:0;color:#4D5A77}.review-card footer{margin-top:16px;color:var(--brand);font-weight:800}.faq-list{display:grid;gap:14px}.faq-item{overflow:hidden;box-shadow:0 12px 30px rgba(25,43,91,.08)}.faq-item button{width:100%;border:0;background:#fff;text-align:left;padding:20px 54px 20px 22px;font:inherit;font-weight:800;color:var(--title);cursor:pointer;position:relative}.faq-item button:after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:1.5rem;color:var(--brand)}.faq-item.open button:after{content:"−"}.faq-answer{display:none;padding:0 22px 22px;color:var(--muted)}.faq-item.open .faq-answer{display:block}.notice{padding:28px;border-radius:24px;background:linear-gradient(135deg,#FFF5DA,#F1F7FF);border:1px solid rgba(255,200,87,.35)}.notice h2{font-size:1.5rem}.notice p{margin-bottom:0;color:#5F6576}.inner-hero{padding:68px 0;background:radial-gradient(circle at 80% 15%,rgba(0,212,255,.2),transparent 30%),linear-gradient(140deg,#F3F0FF,#EEF9FF)}.inner-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}.inner-hero h1{font-size:clamp(2.4rem,5vw,4.8rem);margin:12px 0}.inner-hero p{font-size:1.05rem;color:#56627E}.inner-hero img{width:100%;max-height:420px;object-fit:contain;filter:drop-shadow(0 22px 38px rgba(25,43,91,.16))}.content-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(280px,.7fr);gap:34px;align-items:start}.article-card{background:#fff;border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);padding:36px}.article-card h2{font-size:1.9rem;margin-top:32px}.article-card h2:first-child{margin-top:0}.article-card p{color:#4F5C78}.article-card ul{padding-left:1.2em;color:#4F5C78}.article-card li{margin:9px 0}.side-stack{display:grid;gap:20px;position:sticky;top:98px}.side-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:0 14px 34px rgba(25,43,91,.09)}.side-card h2,.side-card h3{font-size:1.2rem}.side-card p{color:var(--muted);font-size:.94rem}.side-card img{width:100%;height:180px;object-fit:contain;border-radius:16px;background:#F1F5FF;margin-bottom:16px}.steps{counter-reset:step;display:grid;gap:14px}.step{counter-increment:step;padding:18px 18px 18px 64px;border-radius:18px;background:#F7F9FF;border:1px solid rgba(91,108,255,.12);position:relative}.step:before{content:counter(step);position:absolute;left:18px;top:18px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--gradient);color:#fff;font-weight:800}.quote-box{padding:24px;border-left:4px solid var(--brand);background:#F2F4FF;border-radius:0 18px 18px 0;color:#4D5874}.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:24px 0}.stat{padding:18px;border-radius:18px;background:#F6F8FF;border:1px solid var(--line)}.stat strong{display:block;font-size:1.25rem;color:var(--brand)}.site-footer{background:#0B1024;color:#EEF2FF;padding:58px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:34px}.footer-brand>a{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-size:1.35rem;font-weight:800}.footer-brand img{width:46px;height:46px;object-fit:contain;border-radius:14px}.footer-brand p{color:#AEB9D6;max-width:420px}.site-footer h2{font-size:1rem;color:#fff;margin-bottom:14px}.site-footer>div>div:not(.footer-brand){display:flex;flex-direction:column;align-items:flex-start}.site-footer a{color:#C9D1E8;text-decoration:none;margin:4px 0}.site-footer a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:22px;margin-top:34px;border-top:1px solid rgba(255,255,255,.1);color:#95A1BF;font-size:.88rem}.mobile-bottom-nav{display:none}
@media(max-width:1050px){.nav-core{display:none}.mobile-menu-toggle{display:flex}.desktop-menu-toggle{display:none}.hero-grid,.inner-hero-grid,.safety-band{grid-template-columns:1fr}.hero-visual{max-width:680px;margin:0 auto}.highlight-grid{grid-template-columns:1fr 1fr}.highlight-item:nth-child(2){border-right:0}.highlight-item:nth-child(-n+2){border-bottom:1px solid var(--line)}.media-card{grid-template-columns:1fr}.media-card.reverse .media-copy{order:initial}.three-grid,.review-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2/4}.content-grid{grid-template-columns:1fr}.side-stack{position:static;grid-template-columns:1fr 1fr}.inner-hero img{max-height:340px}}
@media(max-width:720px){body{padding-bottom:72px}.container{width:min(100% - 24px,1200px)}.header-inner{width:calc(100% - 20px);min-height:64px;gap:8px}.site-logo strong{display:none}.site-logo img{width:38px;height:38px}.header-actions{gap:6px}.header-actions .main-btn{padding:0 13px;font-size:.82rem;min-height:38px}.hero{padding:52px 0 40px}.hero-grid{gap:30px}.hero h1{font-size:4.2rem}.hero-subtitle{font-size:1.55rem}.float-card{font-size:.75rem;padding:9px 11px}.highlight-strip{margin-top:0;padding-top:12px}.highlight-grid{grid-template-columns:1fr}.highlight-item{border-right:0!important;border-bottom:1px solid var(--line)}.highlight-item:last-child{border-bottom:0}.section{padding:64px 0}.section.tight{padding:42px 0}.section-head{display:block}.section-head h2{font-size:2rem}.split,.three-grid,.review-grid,.side-stack,.safety-points,.stat-row{grid-template-columns:1fr}.media-card,.article-card{padding:22px}.feature-card img,.zone-card img{height:auto;max-height:260px}.safety-band{padding:24px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-grid>div:last-child{grid-column:auto}.footer-bottom{display:block}.footer-bottom span{display:block;margin:6px 0}.site-drawer{left:0;right:auto;transform:translateX(-105%)}.drawer-nav{grid-template-columns:1fr}.mobile-bottom-nav{position:fixed;z-index:9998;left:0;right:0;bottom:0;height:64px;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;text-decoration:none;font-size:.74rem;color:#53607B}.mobile-bottom-nav span{font-size:1.1rem;color:var(--brand);line-height:1.1}.inner-hero{padding:46px 0}.inner-hero-grid{gap:24px}.inner-hero h1{font-size:2.55rem}}