:root{--bg:#F5F7FF;--nav:rgba(12,18,40,.94);--title:#131A35;--brand:#5B6CFF;--deep:#16213E;--cyan:#00D4FF;--gold:#FFC857;--red:#D94F70;--lav:#7A5CFF;--text:#1F2740;--muted:#66708A;--soft:#9AA4BA;--card:#fff;--border:rgba(91,108,255,.18);--shadow:0 20px 46px rgba(25,43,91,.14);--max:1240px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;overflow-x:hidden}body.drawer-open{overflow:hidden}img{max-width:100%;height:auto;display:block}a{color:inherit}.container{width:min(calc(100% - 40px),var(--max));margin-inline:auto}.skip-link{position:fixed;left:16px;top:-60px;z-index:12000;background:#fff;color:var(--brand);padding:10px 16px;border-radius:12px}.skip-link:focus{top:12px}
.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{max-width:1280px;margin:auto;min-height:72px;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:20px}.site-logo,.drawer-brand,.footer-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff;font-size:1.25rem}.site-logo img{width:42px;max-height:44px;object-fit:contain}.nav-core{display:flex;align-items:center;justify-content:center;gap:8px;flex:1}.nav-core a{color:#EEF2FF;text-decoration:none;border-radius:999px;padding:8px 12px;white-space:nowrap;font-size:.95rem}.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:48px;padding:11px 22px;text-decoration:none;font-weight:700;color:#fff;border-radius:999px;background:linear-gradient(135deg,#5B6CFF,#7A5CFF 48%,#00D4FF);box-shadow:0 14px 32px rgba(91,108,255,.22);transition:.2s}.main-btn:hover{transform:translateY(-2px)}.compact-btn{min-height:42px;padding:8px 18px;font-size:.92rem}.menu-toggle{width:42px;height:42px;border:1px solid rgba(255,255,255,.2);border-radius:13px;background:rgba(255,255,255,.08);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer}.menu-toggle span{width:19px;height:2px;border-radius:2px;background:#fff}.mobile-menu{display:none}
.drawer-overlay{position:fixed;inset:0;z-index:10000;background:rgba(5,10,28,.54);opacity:0;transition:.22s}.drawer-overlay.is-visible{opacity:1}.site-drawer{position:fixed;right:0;top:0;bottom:0;z-index:10001;width:min(390px,88vw);padding:24px;background:#fff;box-shadow:-24px 0 60px rgba(10,20,55,.22);transform:translateX(102%);transition:.28s;overflow-y:auto}.site-drawer.is-open{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between}.drawer-brand{color:var(--title);font-weight:800}.drawer-brand img{width:42px}.drawer-close{width:40px;height:40px;border:0;border-radius:12px;background:#EEF1FF;color:var(--title);font-size:28px;cursor:pointer}.drawer-intro{color:var(--muted);font-size:.93rem}.drawer-nav{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:20px 0}.drawer-nav a{text-decoration:none;color:var(--title);padding:11px 13px;border-radius:13px;background:#F5F7FF;border:1px solid var(--border)}.drawer-note{padding:16px;border-radius:18px;background:#FFF4D6;color:#5d4c15}.drawer-note p{margin:6px 0 0;font-size:.9rem}
.hero{position:relative;overflow:hidden;padding:84px 0 68px;background:radial-gradient(circle at 88% 16%,rgba(0,212,255,.24),transparent 28%),radial-gradient(circle at 12% 80%,rgba(217,79,112,.15),transparent 28%),linear-gradient(135deg,#f8f6ff,#edf7ff 52%,#fff4fa)}.hero-grid,.inner-grid{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:56px}.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-weight:800;letter-spacing:.08em;font-size:.84rem}.eyebrow:before,.section-kicker:before{content:"";width:24px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--brand),var(--cyan))}.hero h1{font-size:clamp(3.7rem,9vw,7.5rem);line-height:.9;margin:16px 0 22px;color:var(--title);letter-spacing:-.06em}.hero-subtitle{font-size:clamp(1.55rem,3vw,2.35rem);font-weight:800;color:var(--deep);margin:0 0 16px;line-height:1.3}.hero-copy,.inner-lead{font-size:1.03rem;color:var(--muted)}.hero-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:28px}.text-link{color:var(--brand);font-weight:700;text-decoration:none}.text-link:hover{text-decoration:underline}.hero-points{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}.hero-points span,.tag{padding:7px 12px;border-radius:999px;background:#fff;border:1px solid var(--border);box-shadow:0 8px 22px rgba(32,48,92,.08);font-size:.9rem}.hero-visual{position:relative}.hero-visual img{width:100%;max-height:620px;object-fit:contain;filter:drop-shadow(0 28px 34px rgba(31,43,91,.2))}.floating-note{position:absolute;left:-18px;bottom:10%;background:rgba(255,255,255,.95);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:18px;padding:14px 18px;font-weight:700;color:var(--title)}
.section{padding:82px 0}.section-tight{padding:36px 0}.section-heading{max-width:760px;margin-bottom:34px}.section-heading.center{text-align:center;margin-inline:auto}.section-heading h2,.inner-title{font-size:clamp(2rem,4vw,3.15rem);line-height:1.2;margin:10px 0 14px;color:var(--title)}.section-heading p{color:var(--muted);margin:0}.highlights{margin-top:-28px;position:relative;z-index:3}.highlight-grid{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-radius:24px;border:1px solid var(--border);box-shadow:var(--shadow);overflow:hidden}.highlight-item{padding:24px;border-right:1px solid var(--border)}.highlight-item:last-child{border-right:0}.highlight-item strong{display:block;color:var(--title);font-size:1.05rem;margin-bottom:5px}.highlight-item p{margin:0;color:var(--muted);font-size:.91rem}.channel-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.channel-pill{display:block;text-decoration:none;background:#fff;padding:16px;border:1px solid var(--border);border-radius:18px;transition:.2s}.channel-pill:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(25,43,91,.12)}.channel-pill strong{display:block;color:var(--title);margin-bottom:5px}.channel-pill span{color:var(--muted);font-size:.84rem;line-height:1.55;display:block}.split{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:52px}.split.reverse .visual{order:2}.visual img,.content-img{width:100%;max-height:520px;object-fit:contain;border-radius:28px}.card{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:24px}.media-card{padding:26px}.media-card img{width:100%;height:250px;object-fit:contain;border-radius:18px;background:linear-gradient(145deg,#f1f4ff,#eefbff)}.media-card h3{font-size:1.45rem;color:var(--title);margin:18px 0 8px}.media-card p,.prose p{color:var(--muted)}.two-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.three-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.service-list{list-style:none;padding:0}.service-list li{position:relative;padding-left:24px;margin:9px 0;color:var(--muted)}.service-list li:before{content:"";position:absolute;left:0;top:.75em;width:9px;height:9px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--cyan))}.muted-bg{background:#EEF4FF}.accent-bg{background:linear-gradient(180deg,#f7f8ff,#fff)}.dark-section{background:var(--deep);color:#EEF2FF}.dark-section .section-heading h2,.dark-section .section-heading p,.dark-section .section-kicker{color:#fff}
.safety-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.safety-card{padding:28px;background:#fff;border-radius:24px;color:var(--text);display:grid;grid-template-columns:170px 1fr;gap:24px;align-items:center}.safety-card img{width:100%;height:170px;object-fit:contain}.safety-card h3{color:var(--title);font-size:1.45rem;margin:0 0 8px}.safety-card p{color:var(--muted)}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.review-card{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:22px;padding:24px}.review-card p{margin:0 0 18px}.review-card footer{display:flex;align-items:center;gap:10px;background:none;color:var(--muted)}.avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:800;background:linear-gradient(135deg,var(--brand),var(--red))}.faq-list{display:grid;gap:14px}.faq-item{background:#fff;border:1px solid var(--border);border-radius:18px;padding:20px 22px}.faq-item h3{margin:0 0 8px;color:var(--title);font-size:1.05rem}.faq-item p{margin:0;color:var(--muted)}.notice-box{display:grid;grid-template-columns:1fr auto;align-items:center;gap:28px;padding:34px;border-radius:28px;background:linear-gradient(135deg,#fff4d6,#eff8ff);border:1px solid rgba(255,200,87,.5)}.notice-box h2{margin:0 0 8px;color:var(--title)}.notice-box p{margin:0;color:var(--muted)}
.inner-hero{padding:72px 0 54px;background:radial-gradient(circle at 85% 20%,rgba(0,212,255,.18),transparent 25%),linear-gradient(135deg,#f8f6ff,#edf8ff)}.inner-hero h1{font-size:clamp(2.4rem,5vw,4.7rem);line-height:1.08;color:var(--title);margin:12px 0 18px}.inner-hero img{width:100%;max-height:470px;object-fit:contain}.breadcrumb{display:flex;gap:8px;align-items:center;color:var(--soft);font-size:.9rem;margin-bottom:14px}.breadcrumb a{color:var(--brand);text-decoration:none}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.feature-card{padding:23px}.feature-card .number{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;background:#EEF1FF;color:var(--brand);font-weight:800}.feature-card h3{color:var(--title);margin:14px 0 8px}.feature-card p{color:var(--muted);font-size:.93rem;margin:0}.steps{counter-reset:steps;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.step{position:relative;padding:26px}.step:before{counter-increment:steps;content:"0" counter(steps);display:block;color:var(--brand);font-weight:900;font-size:1.45rem}.step h3{color:var(--title);margin:8px 0}.step p{color:var(--muted);margin:0}.related-links{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.related-links a{padding:18px 20px;background:#fff;border:1px solid var(--border);border-radius:18px;text-decoration:none;color:var(--title);font-weight:700}.related-links a:hover{color:var(--brand);box-shadow:0 12px 28px rgba(25,43,91,.1)}
.site-footer{background:#0B1024;color:#EEF2FF;padding:64px 0 26px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:36px}.footer-brand p{color:#AEB8D0;max-width:440px}.footer-logo img{width:46px}.site-footer h2{font-size:1rem;margin:0 0 14px;color:#fff}.site-footer section>a:not(.footer-logo){display:block;text-decoration:none;color:#B9C3DA;margin:8px 0}.footer-notice{margin-top:38px;padding:18px 20px;border-radius:16px;background:rgba(255,255,255,.06);color:#C5CEE1;font-size:.9rem}.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:24px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);color:#939DB5;font-size:.88rem}.footer-bottom a{color:#B9C3DA;text-decoration:none;margin-left:14px}.mobile-bottom-nav{display:none}
@media(max-width:1080px){.nav-core{display:none}.mobile-menu{display:flex}.desktop-menu{display:none}.header-inner{display:grid;grid-template-columns:42px 1fr auto}.site-logo{justify-self:center}.site-logo strong{display:none}.hero-grid,.inner-grid,.split{grid-template-columns:1fr}.hero-visual{max-width:680px;margin: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(--border)}.channel-grid{grid-template-columns:repeat(3,1fr)}.feature-grid{grid-template-columns:1fr 1fr}.three-grid,.review-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-grid section:last-child{grid-column:2/4}.split.reverse .visual{order:0}}
@media(max-width:720px){.container{width:min(calc(100% - 28px),var(--max))}.header-inner{padding:0 14px;min-height:64px}.compact-btn{padding:7px 13px;font-size:.84rem}.hero{padding:58px 0 48px}.hero h1{font-size:4.2rem}.hero-grid{gap:30px}.floating-note{left:2px;bottom:2%;font-size:.82rem}.section{padding:58px 0}.section-tight{padding:28px 0}.highlight-grid,.two-grid,.three-grid,.safety-grid,.review-grid,.feature-grid,.steps,.related-links{grid-template-columns:1fr}.highlight-item{border-right:0;border-bottom:1px solid var(--border)}.highlight-item:last-child{border-bottom:0}.channel-grid{grid-template-columns:1fr 1fr}.safety-card{grid-template-columns:110px 1fr;padding:20px}.safety-card img{height:120px}.notice-box{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-grid section:last-child{grid-column:auto}.footer-bottom{flex-direction:column}.footer-bottom a{margin:0 12px 0 0}.site-footer{padding-bottom:100px}.mobile-bottom-nav{position:fixed;display:grid;grid-template-columns:repeat(4,1fr);left:10px;right:10px;bottom:10px;z-index:9000;background:rgba(11,16,36,.95);border-radius:18px;padding:7px}.mobile-bottom-nav a{display:flex;flex-direction:column;align-items:center;color:#EEF2FF;text-decoration:none;font-size:.74rem}.inner-hero{padding:52px 0 42px}.inner-hero h1{font-size:2.65rem}.drawer-nav{grid-template-columns:1fr}.site-drawer{padding:20px}.media-card img{height:210px}}
@media(max-width:420px){.site-logo img{width:36px}.menu-toggle{width:38px;height:38px}.compact-btn{padding:6px 10px}.channel-grid{grid-template-columns:1fr}.safety-card{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-grid section:last-child{grid-column:auto}}