:root{--bg:#F5F7FF;--nav:rgba(12,18,40,.94);--title:#131A35;--p:#5B6CFF;--deep:#16213E;--cyan:#00D4FF;--gold:#FFC857;--rose:#D94F70;--muted:#66708A;--border:rgba(91,108,255,.18);--shadow:0 20px 46px rgba(25,43,91,.14);--grad:linear-gradient(135deg,#5B6CFF 0%,#7A5CFF 48%,#00D4FF 100%)}
*{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.menu-open{overflow:hidden}img{display:block;max-width:100%;height:auto}a{color:inherit}.shell{width:min(1280px,calc(100% - 40px));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(1280px,calc(100% - 40px));margin:auto;min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:18px}.logo{display:inline-flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:900;white-space:nowrap}.logo img{max-height:44px;width:auto;object-fit:contain}.core-nav{display:flex;align-items:center;gap:8px}.core-nav a{color:#EEF2FF;text-decoration:none;border-radius:999px;padding:8px 12px;white-space:nowrap}.core-nav a:hover,.core-nav a.active{background:rgba(0,212,255,.16);color:#fff}.header-actions{display:flex;align-items:center;gap:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 22px;border-radius:999px;background:var(--grad);color:#fff;text-decoration:none;font-weight:900;box-shadow:0 14px 32px rgba(91,108,255,.22);transition:.2s}.btn:hover{transform:translateY(-2px)}.btn.ghost{background:#fff;color:var(--p);border:1px solid var(--border);box-shadow:none}.btn.small{min-height:40px;padding:0 18px}
.menu-btn{width:42px;height:42px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer}.menu-btn i{width:18px;height:2px;background:#fff;border-radius:2px}.mobile-only{display:none}.overlay{position:fixed;inset:0;z-index:10000;background:rgba(8,12,28,.58);opacity:0;visibility:hidden;transition:.25s}.drawer{position:fixed;right:0;top:0;z-index:10001;width:min(390px,92vw);height:100dvh;overflow:auto;background:#fff;padding:26px;transform:translateX(105%);transition:.28s;box-shadow:-30px 0 70px rgba(13,20,47,.24)}.menu-open .overlay{opacity:1;visibility:visible}.menu-open .drawer{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between}.drawer-brand{display:flex;align-items:center;gap:10px;text-decoration:none}.drawer-brand img{width:42px;max-height:42px;object-fit:contain}.drawer-head button{border:0;background:#EEF1FF;width:40px;height:40px;border-radius:50%;font-size:28px;cursor:pointer}.drawer>p{color:var(--muted);font-size:14px}.drawer nav{display:grid;grid-template-columns:1fr 1fr;gap:10px}.drawer nav a{display:flex;justify-content:space-between;padding:12px 14px;border-radius:14px;text-decoration:none;background:#F5F7FF}.drawer nav a.active,.drawer nav a:hover{color:var(--p);background:#fff;border:1px solid var(--border)}.drawer-note{margin-top:18px;padding:15px;border-radius:16px;background:#FFF4D6;color:#745d12;font-size:13px}
.home-hero{padding:78px 0 56px;background:radial-gradient(circle at 15% 10%,rgba(122,92,255,.18),transparent 35%),radial-gradient(circle at 85% 22%,rgba(0,212,255,.18),transparent 30%),linear-gradient(160deg,#F8F4FF,#EFF8FF 54%,#FFF8FC)}.hero-grid,.inner-hero{display:grid;grid-template-columns:1.05fr .95fr;gap:58px;align-items:center}.kicker{display:inline-block;color:#9B6A00;font-weight:900;font-size:13px;letter-spacing:.12em}.hero-copy h1{font-size:clamp(48px,7vw,88px);line-height:1.05;margin:12px 0 20px;color:var(--title);letter-spacing:-.04em}.hero-copy h2{font-size:clamp(28px,4vw,46px);line-height:1.15;color:var(--title);margin:0 0 18px}.lead,.hero-copy p,.prose p,.card p,.section-head>p,.guide p{color:var(--muted)}.lead{font-size:18px}.actions,.chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.hero-visual{position:relative;min-height:520px;display:grid;place-items:center}.hero-visual img{max-height:540px;width:100%;object-fit:contain;filter:drop-shadow(0 28px 40px rgba(50,61,130,.2))}.float-note{position:absolute;padding:12px 15px;border-radius:18px;background:rgba(255,255,255,.92);border:1px solid var(--border);box-shadow:var(--shadow)}.float-note strong,.float-note span{display:block}.float-note span{font-size:12px;color:var(--muted)}.float-note.one{left:0;top:18%}.float-note.two{right:0;bottom:16%}
.feature-strip{margin-top:-24px;display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--border);border-radius:26px;box-shadow:var(--shadow);overflow:hidden;position:relative;z-index:3}.feature-strip article{padding:22px;border-right:1px solid var(--border)}.feature-strip article:last-child{border:0}.feature-strip h3{margin:0 0 5px;color:var(--title)}.feature-strip p{margin:0;color:var(--muted);font-size:13px}
.section{padding-top:86px}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:26px}.section h2,.section-head h2{font-size:clamp(28px,4vw,44px);line-height:1.2;color:var(--title);margin:6px 0 0}.section-head>p{max-width:560px;margin:0}.channel-pills{display:grid;grid-template-columns:repeat(5,1fr);gap:13px}.channel-pills a{background:#fff;border:1px solid var(--border);border-radius:999px;text-decoration:none;padding:15px;box-shadow:0 12px 30px rgba(25,43,91,.08)}.channel-pills strong,.channel-pills span{display:block;text-align:center}.channel-pills span{font-size:12px;color:var(--muted)}.split,.dual,.triple,.safety-grid{display:grid;gap:24px}.split,.safety-grid{grid-template-columns:1fr 1fr;align-items:center}.dual{grid-template-columns:1fr 1fr}.triple{grid-template-columns:repeat(3,1fr)}.media{background:#fff;border:1px solid var(--border);border-radius:28px;padding:20px;box-shadow:var(--shadow)}.media img{width:100%;max-height:520px;object-fit:contain}.card{background:#fff;border:1px solid var(--border);border-radius:22px;padding:23px;box-shadow:var(--shadow)}.card>img{width:100%;max-height:280px;object-fit:contain;border-radius:16px;background:#F5F7FF;margin-bottom:16px}.dark{background:#11182F;color:#EEF2FF}.dark h2,.dark h3{color:#fff}.dark p{color:#B8C2DF}.text-link{color:var(--p);text-decoration:none;font-weight:900}.card ul{padding-left:20px;color:var(--muted)}
.safety-media{display:grid;grid-template-columns:1fr 1fr;gap:14px}.safety-media img{background:#fff;border:1px solid var(--border);border-radius:22px;padding:10px;box-shadow:var(--shadow);height:100%;object-fit:contain}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.review-grid blockquote{margin:0}.faq{display:grid;gap:11px}.faq details{background:#fff;border:1px solid var(--border);border-radius:17px;padding:0 20px;box-shadow:0 10px 28px rgba(25,43,91,.07)}.faq summary{cursor:pointer;padding:17px 30px 17px 0;color:var(--title);font-weight:900}.faq p{color:var(--muted);margin:0 0 18px}
.compliance,.responsible{margin-top:86px;padding:34px;border-radius:28px;background:linear-gradient(135deg,#16213E,#25265E 52%,#174D67);color:#EAF0FF;display:grid;grid-template-columns:.8fr 1.5fr auto;gap:26px;align-items:center}.compliance h2,.responsible h2{color:#fff}.compliance p,.responsible p{color:#C5CEE8}.chips a{padding:8px 12px;border-radius:999px;text-decoration:none;background:rgba(255,255,255,.12);color:#fff;font-size:13px;font-weight:800}
.inner-hero{padding-top:70px}.inner-hero h1{font-size:clamp(42px,6vw,74px)}.highlight-row{margin-top:40px;display:grid;grid-template-columns:repeat(4,1fr);gap:13px}.highlight-row article{background:#fff;border:1px solid var(--border);border-radius:18px;padding:17px}.highlight-row strong,.highlight-row span{display:block}.highlight-row span{font-size:13px;color:var(--muted)}.article-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:58px}.prose p{margin:0 0 18px}.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.service-grid b{display:grid;place-items:center;width:40px;height:40px;border-radius:13px;background:#EEF1FF;color:var(--p)}.guide{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center;background:linear-gradient(135deg,#EFF8FF,#FFF4FB);border:1px solid var(--border);border-radius:28px;padding:40px;margin-top:86px}.guide ol{list-style:none;counter-reset:s;padding:0;margin:0;display:grid;gap:11px}.guide li{counter-increment:s;background:#fff;border-radius:15px;padding:13px 14px 13px 54px;position:relative}.guide li:before{content:counter(s);position:absolute;left:13px;top:11px;width:30px;height:30px;display:grid;place-items:center;border-radius:10px;background:var(--grad);color:#fff;font-weight:900}
footer{margin-top:94px;background:#0B1024;color:#EEF2FF}.footer-grid{display:grid;grid-template-columns:.9fr 1.4fr;gap:60px;padding-top:62px;padding-bottom:42px}.footer-grid p{color:#AEB8D7}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.footer-links h3{color:#fff}.footer-links a{display:block;color:#BFC8E3;text-decoration:none;margin:9px 0}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0 24px;display:flex;justify-content:space-between;gap:26px;color:#8F9AB9;font-size:12px}.footer-bottom p{margin:0;max-width:600px}.bottom-nav{display:none}
@media(max-width:1080px){.core-nav{gap:2px}.core-nav a{padding:8px 9px;font-size:14px}.channel-pills{grid-template-columns:repeat(3,1fr)}.service-grid{grid-template-columns:1fr 1fr}.feature-strip{grid-template-columns:1fr 1fr}}
@media(max-width:860px){.shell,.header-inner{width:min(100% - 28px,1280px)}.core-nav,.desktop-only{display:none}.mobile-only{display:flex}.logo span{display:none}.hero-grid,.inner-hero,.split,.dual,.triple,.safety-grid,.article-grid,.guide{grid-template-columns:1fr}.hero-visual{min-height:390px}.review-grid{grid-template-columns:1fr 1fr}.highlight-row{grid-template-columns:1fr 1fr}.compliance,.responsible{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column}}
@media(max-width:620px){body{padding-bottom:70px}.site-header .logo img{max-height:38px}.btn.small{min-height:38px;padding:0 14px;font-size:13px}.home-hero{padding-top:48px}.hero-visual{min-height:310px}.float-note span{display:none}.feature-strip{grid-template-columns:1fr;margin-top:14px}.feature-strip article{border-right:0;border-bottom:1px solid var(--border)}.section{padding-top:62px}.section-head{align-items:flex-start;flex-direction:column;gap:10px}.channel-pills{grid-template-columns:1fr 1fr}.channel-pills a{border-radius:18px}.review-grid,.service-grid,.highlight-row,.safety-media{grid-template-columns:1fr}.drawer nav{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr 1fr}.bottom-nav{position:fixed;left:10px;right:10px;bottom:8px;z-index:9998;display:grid;grid-template-columns:repeat(4,1fr);min-height:58px;padding:6px;border-radius:18px;background:rgba(11,16,36,.95);box-shadow:0 18px 40px rgba(11,16,36,.3)}.bottom-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;color:#EAF0FF;text-decoration:none;font-size:11px}.bottom-nav b{color:var(--cyan);font-size:17px}}