:root{--blue:#4D8FF7;--deep:#253B73;--cyan:#54D2F3;--text:#222;--muted:#5B6A82;--soft:#8795AA;--line:rgba(77,143,247,.12);--shadow:0 16px 40px rgba(37,59,115,.10);--footer:#1B2F5B}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--text);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.75}body.drawer-open{overflow:hidden}img{display:block;max-width:100%;height:auto;object-fit:contain}a{color:inherit;text-decoration:none}.container{width:min(1180px,calc(100% - 32px));margin:auto}.site-header{position:sticky;top:0;z-index:9999;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);box-shadow:0 8px 24px rgba(37,59,115,.08)}.header-inner{width:min(1240px,calc(100% - 28px));height:76px;margin:auto;display:flex;align-items:center;gap:24px}.brand{flex:0 0 auto}.brand img{width:142px;max-height:48px}.desktop-nav{flex:1;display:flex;align-items:center;justify-content:center;gap:5px;white-space:nowrap}.desktop-nav a{padding:9px 11px;border-radius:999px;color:var(--deep);font-size:14px}.desktop-nav a:hover,.desktop-nav a.active{background:linear-gradient(135deg,rgba(77,143,247,.10),rgba(84,210,243,.12));color:var(--blue);box-shadow:inset 0 -2px 0 var(--cyan)}.main-btn{display:inline-flex;align-items:center;justify-content:center;position:relative;overflow:hidden;isolation:isolate;background:linear-gradient(135deg,#4D8FF7 0%,#5EAEF5 48%,#54D2F3 100%);color:#fff;border-radius:999px;box-shadow:0 12px 26px rgba(77,143,247,.22);padding:11px 22px;font-weight:700;transition:.25s}.main-btn:after{content:"";position:absolute;inset:0;border-radius:inherit;border:1px solid rgba(255,255,255,.56);box-shadow:0 0 12px rgba(77,143,247,.20),0 0 18px rgba(84,210,243,.24);pointer-events:none}.main-btn:hover{transform:translateY(-1px);box-shadow:0 16px 36px rgba(77,143,247,.28)}.header-btn{flex:0 0 auto}.menu-toggle{display:none;background:none;border:0;width:42px;height:42px;padding:9px}.menu-toggle span{display:block;height:2px;background:var(--deep);margin:5px 0;border-radius:2px}.drawer-mask{position:fixed;inset:0;background:rgba(10,25,55,.42);z-index:10000;opacity:0;visibility:hidden;transition:.25s}.mobile-drawer{position:fixed;left:0;top:0;bottom:0;width:min(84vw,320px);background:#fff;z-index:10001;transform:translateX(-105%);transition:.28s;padding:18px;overflow:auto}.drawer-open .drawer-mask{opacity:1;visibility:visible}.drawer-open .mobile-drawer{transform:none}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line)}.drawer-head img{width:132px}.drawer-close{border:0;background:#EEF4FF;color:var(--deep);font-size:28px;width:40px;height:40px;border-radius:50%}.mobile-drawer nav{display:grid;gap:6px;padding:16px 0}.mobile-drawer nav a{padding:11px 13px;border-radius:12px;color:var(--deep)}.mobile-drawer nav a.active,.mobile-drawer nav a:hover{background:#EEF4FF;color:var(--blue)}.drawer-note{font-size:12px;color:var(--soft);background:#F7FAFF;padding:12px;border-radius:12px}
.hero-section{padding:72px 0 46px;background:radial-gradient(circle at 15% 20%,rgba(77,143,247,.12) 0%,rgba(77,143,247,0) 30%),radial-gradient(circle at 88% 18%,rgba(84,210,243,.16) 0%,rgba(84,210,243,0) 28%),linear-gradient(135deg,#fff 0%,#F7FAFF 52%,#EEF4FF 100%)}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}.kicker,.section-kicker,.tag,.label,.num,.badge{color:var(--blue);font-weight:800;letter-spacing:.04em}.hero-copy h1{font-size:clamp(34px,5vw,58px);line-height:1.18;margin:12px 0 20px;color:var(--deep)}.hero-copy p{color:var(--muted);font-size:17px}.hero-actions{margin:26px 0}.hero-visual{background:rgba(255,255,255,.86);border:1px solid rgba(77,143,247,.18);border-radius:30px;padding:24px;box-shadow:var(--shadow);position:relative}.hero-visual:before{content:"";position:absolute;right:-14px;top:-14px;width:90px;height:90px;border-radius:24px;background:linear-gradient(135deg,rgba(77,143,247,.18),rgba(84,210,243,.24));z-index:-1}.hero-services{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.mini-service{padding:18px 20px;background:rgba(255,255,255,.86);border:1px solid var(--line);border-radius:18px;box-shadow:0 12px 26px rgba(37,59,115,.07)}.mini-service strong{display:block;color:var(--deep);font-size:18px}.mini-service span{color:var(--muted);font-size:14px}
.section{padding:70px 0}.section.alt{background:#F7FAFF}.section-head{max-width:760px;margin-bottom:30px}.section-head h2,.section-title{color:var(--deep);font-size:clamp(28px,4vw,42px);line-height:1.25;margin:8px 0 12px}.section-head p{color:var(--muted)}.pill-row{display:flex;gap:12px;overflow-x:auto;padding:8px 2px 14px;scrollbar-width:thin}.pill{flex:0 0 190px;background:rgba(255,255,255,.9);border:1px solid rgba(77,143,247,.14);border-radius:20px;padding:16px;transition:.25s}.pill:hover{border-color:var(--cyan);transform:translateY(-2px)}.pill b{display:block;color:var(--deep);margin:4px 0}.pill small{color:var(--muted)}.intro-strip{padding:25px 28px;border:1px solid var(--line);border-radius:22px;background:linear-gradient(135deg,#fff,#EEF9FF);color:var(--muted);box-shadow:0 12px 30px rgba(37,59,115,.06)}.board-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card,.zone-card,.info-card{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:22px}.info-card{padding:24px}.info-card h3,.card h3,.zone-card h3{color:var(--deep);margin:8px 0}.info-card p,.card p,.zone-card p{color:var(--muted);margin:0}.feature-stack{display:grid;gap:26px}.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center;padding:32px;border-radius:28px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}.feature-row.reverse .feature-media{order:2}.feature-media{background:linear-gradient(135deg,#F7FAFF,#EEF9FF);border-radius:22px;padding:20px}.feature-content h3{font-size:30px;color:var(--deep);margin:8px 0}.feature-content p{color:var(--muted)}.check-list{padding:0;margin:18px 0;list-style:none}.check-list li{position:relative;padding-left:24px;margin:8px 0;color:#44536c}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--cyan);font-weight:900}.text-link{color:var(--blue);font-weight:800}.zone-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.zone-card{padding:18px}.zone-card img{width:100%;max-height:170px;margin-bottom:16px}.app-banner{display:grid;grid-template-columns:.8fr 1.2fr;gap:36px;align-items:center;background:linear-gradient(135deg,#fff,#EEF4FF 60%,#EEF9FF);padding:34px;border-radius:30px;border:1px solid var(--line);box-shadow:var(--shadow)}.app-banner img{max-height:340px;margin:auto}.safety-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:26px;align-items:start}.safety-copy{padding:26px}.safety-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.faq-list{display:grid;gap:12px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px 22px}.faq-item h3{color:var(--deep);margin:0 0 8px}.faq-item p{color:var(--muted);margin:0}.notice{background:linear-gradient(135deg,#EEF4FF,#EEF9FF);border-left:4px solid var(--cyan);padding:22px 24px;border-radius:16px;color:#425271}.page-hero{padding:64px 0;background:linear-gradient(135deg,#fff,#F7FAFF,#EEF4FF)}.page-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}.page-hero h1{font-size:clamp(34px,5vw,52px);color:var(--deep);margin:8px 0}.page-hero p{color:var(--muted);font-size:17px}.page-visual{background:#fff;border:1px solid var(--line);border-radius:28px;padding:24px;box-shadow:var(--shadow)}.page-visual img{max-height:360px;margin:auto}.content-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:28px}.prose,.side-panel{background:#fff;border:1px solid var(--line);border-radius:24px;padding:30px;box-shadow:var(--shadow)}.prose h2,.prose h3,.side-panel h2,.side-panel h3{color:var(--deep)}.prose p,.side-panel p,.prose li,.side-panel li{color:var(--muted)}.service-grid,.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.review-card{padding:22px;background:#fff;border:1px solid var(--line);border-radius:20px}.review-card p{color:var(--muted)}.review-card strong{color:var(--deep)}
.site-footer{background:var(--footer);color:#EEF6FF;padding-top:52px}.footer-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:34px}.footer-brand img{width:150px;filter:brightness(0) invert(1);margin-bottom:16px}.site-footer h3{color:#fff;margin-top:0}.site-footer a{display:block;color:#cfe2ff;margin:7px 0}.site-footer p{color:#c9d8ef}.compliance{margin-top:34px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);color:#c9d8ef;font-size:14px}.copyright{text-align:center;padding:18px;border-top:1px solid rgba(255,255,255,.09);color:#abc2e6;font-size:13px}
@media(max-width:1050px){.desktop-nav{display:none}.menu-toggle{display:block}.header-inner{justify-content:space-between}.brand{position:absolute;left:50%;transform:translateX(-50%)}.brand img{width:126px}.hero-grid,.page-hero-grid,.content-grid{grid-template-columns:1fr}.hero-visual,.page-visual{max-width:680px;margin:auto}.board-grid,.zone-grid{grid-template-columns:repeat(2,1fr)}.feature-row,.app-banner,.safety-grid{grid-template-columns:1fr}.feature-row.reverse .feature-media{order:0}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.header-inner{height:66px;width:calc(100% - 16px);gap:8px}.brand img{width:105px}.header-btn{padding:9px 13px;font-size:13px}.hero-section{padding:42px 0 34px}.hero-grid{gap:28px}.hero-copy h1{font-size:34px}.hero-services{grid-template-columns:1fr}.section{padding:50px 0}.board-grid,.zone-grid,.service-grid,.review-grid,.safety-cards{grid-template-columns:1fr}.feature-row{padding:20px}.feature-content h3{font-size:25px}.app-banner{padding:22px}.footer-grid{grid-template-columns:1fr}.page-hero{padding:42px 0}.prose,.side-panel{padding:22px}}