:root{--bg:#F5F7FF;--ink:#1F2740;--title:#131A35;--brand:#5B6CFF;--cyan:#00D4FF;--gold:#FFC857;--muted:#66708A;--line: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(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}body.menu-open{overflow:hidden}img{display:block;max-width:100%;height:auto}.container{width:min(var(--max),calc(100% - 40px));margin:auto}a{color:inherit}.site-header{position:sticky;top:0;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{max-width:1280px;min-height:72px;margin:auto;padding:0 20px;display:flex;align-items:center;gap:18px}.logo{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;white-space:nowrap}.logo img{width:42px;max-height:44px;object-fit:contain}.nav-core{display:flex;gap:5px;margin-left:auto}.nav-core a{color:#EEF2FF;text-decoration:none;padding:8px 11px;border-radius:999px}.nav-core a:hover,.nav-core a.active{background:rgba(0,212,255,.16);color:#fff}.head-actions{display:flex;align-items:center;gap:10px}.btn,.ghost{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;text-decoration:none;font-weight:800}.btn{padding:13px 22px;color:#fff;background:linear-gradient(135deg,#5B6CFF,#7A5CFF 48%,#00D4FF);box-shadow:0 14px 32px rgba(91,108,255,.22)}.btn.small{padding:10px 16px;font-size:14px}.ghost{padding:12px 18px;background:#fff;color:var(--brand);border:1px solid var(--line)}.menu-toggle{width:42px;height:42px;border:1px solid rgba(255,255,255,.18);border-radius:14px;background:rgba(255,255,255,.08);display:grid;place-content:center;gap:4px}.menu-toggle i{width:18px;height:2px;background:#fff}.mobile-only{display:none}.drawer-mask{position:fixed;inset:0;z-index:10000;background:rgba(5,9,24,.55);opacity:0;visibility:hidden;transition:.2s}.drawer-mask.show{opacity:1;visibility:visible}.drawer{position:fixed;right:0;top:0;z-index:10001;width:min(390px,88vw);height:100dvh;padding:22px;background:#fff;transform:translateX(105%);transition:.25s;overflow:auto}.drawer.open{transform:none}.drawer-head{display:flex;justify-content:space-between;align-items:center;padding-bottom:15px;border-bottom:1px solid #edf0fa}.drawer-head button{width:38px;height:38px;border:0;border-radius:50%;font-size:26px}.drawer nav{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:16px}.drawer nav a{padding:11px 13px;border-radius:13px;background:#F6F7FF;text-decoration:none}.hero,.inner-hero{background:radial-gradient(circle at 80% 10%,rgba(0,212,255,.14),transparent 25%),radial-gradient(circle at 16% 10%,rgba(122,92,255,.15),transparent 27%),linear-gradient(135deg,#F7F2FF,#EEF8FF);overflow:hidden}.hero{padding:72px 0 58px}.inner-hero{padding:62px 0}.hero-grid,.inner-grid,.two-col{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center}.kicker{display:inline-block;color:var(--brand);font-size:13px;font-weight:850;letter-spacing:.05em}.hero h1,.inner-hero h1{margin:10px 0;color:var(--title);font-size:clamp(42px,6vw,76px);line-height:1.06}.hero .sub{font-size:28px;font-weight:850;color:#384272;margin:0 0 14px}.lead{font-size:17px;color:#56617c}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:25px}.hero img,.inner-hero img{width:100%;max-height:530px;object-fit:contain;filter:drop-shadow(0 26px 42px rgba(39,50,108,.17))}.chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.chips span,.pill-nav a{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 12px;color:#4c5671;text-decoration:none}.section{padding:72px 0}.section.soft{background:linear-gradient(180deg,rgba(234,247,255,.7),rgba(245,247,255,.4))}.section.dark{background:linear-gradient(135deg,#11182F,#172347);color:#EAF0FF}.head{max-width:800px;margin-bottom:28px}.head h2{font-size:clamp(28px,4vw,44px);line-height:1.2;color:var(--title);margin:6px 0}.dark .head h2{color:#fff}.head p,.prose p,.card p,.note p{color:var(--muted)}.dark .prose p,.dark .head p{color:#C8D1ED}.pill-nav{display:flex;gap:10px;flex-wrap:wrap}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.cards.two{grid-template-columns:repeat(2,1fr)}.card,.prose,.note,.review{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:22px;padding:24px}.card img{width:100%;height:230px;object-fit:contain;margin-bottom:16px}.card h3,.note h3{margin:0 0 8px;color:var(--title)}.text-link{display:inline-flex;margin-top:13px;color:var(--brand);font-weight:800;text-decoration:none}.stats{display:grid;grid-template-columns:repeat(4,1fr);margin-top:-18px;position:relative;z-index:2;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);overflow:hidden}.stats div{padding:20px}.stats div+div{border-left:1px solid #eef0f8}.stats h3{margin:0;color:var(--title);font-size:17px}.stats p{margin:5px 0 0;color:var(--muted);font-size:14px}.prose p{margin:0 0 16px}.checklist{display:grid;gap:12px}.checklist div{background:#fff;border:1px solid var(--line);border-radius:16px;padding:15px 17px}.checklist b{color:var(--brand)}.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.review{margin:0;color:#505a75}.faq{display:grid;gap:11px}.faq details{background:#fff;border:1px solid var(--line);border-radius:17px;padding:0 19px}.faq summary{font-weight:850;color:var(--title);padding:17px 0;cursor:pointer}.faq p{margin:0 0 17px;color:var(--muted)}.notice{padding:28px;border-radius:22px;background:linear-gradient(135deg,#FFF4D6,#EEF8FF);border:1px solid rgba(255,200,87,.4)}footer{background:#0B1024;color:#EEF2FF;padding:54px 0 90px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:32px}.footer-grid div:not(:first-child){display:flex;flex-direction:column;gap:8px}.footer-grid a{text-decoration:none;color:#BEC7E0}.footer-grid p,.foot-note{color:#99A4C1}.foot-note{border-top:1px solid rgba(255,255,255,.08);margin-top:34px;padding-top:20px;font-size:13px}.bottom-nav{display:none}
@media(max-width:900px){.nav-core,.desktop-only{display:none}.mobile-only{display:grid}.header-inner{display:grid;grid-template-columns:46px 1fr auto}.logo{justify-self:center}.head-actions{justify-self:end}.hero-grid,.inner-grid,.two-col{grid-template-columns:1fr}.cards,.reviews{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.stats{grid-template-columns:repeat(2,1fr)}.stats div+div{border-left:0}.stats div:nth-child(even){border-left:1px solid #eef0f8}.stats div:nth-child(n+3){border-top:1px solid #eef0f8}}
@media(max-width:620px){.container{width:calc(100% - 28px)}.logo b{display:none}.header-inner{min-height:64px;padding:0 14px}.head-actions .btn{padding:9px 13px;font-size:12px}.hero,.inner-hero{padding:48px 0}.section{padding:52px 0}.hero h1,.inner-hero h1{font-size:42px}.hero .sub{font-size:23px}.actions .btn,.actions .ghost{width:100%}.cards,.cards.two,.reviews,.footer-grid{grid-template-columns:1fr}.drawer nav{grid-template-columns:1fr}.bottom-nav{position:fixed;bottom:0;left:0;right:0;z-index:9998;display:grid;grid-template-columns:repeat(4,1fr);background:rgba(255,255,255,.96);border-top:1px solid var(--line);padding:9px 8px calc(9px + env(safe-area-inset-bottom));box-shadow:0 -10px 25px rgba(25,43,91,.12)}.bottom-nav a{text-align:center;text-decoration:none;color:#4f5974;font-size:13px}footer{padding-bottom:112px}}
