:root{--c1:#0b3d91;--c2:#ff7a00;--c3:#ffc300;--dark:#061a44;--soft:#eef4ff;--ink:#1d1a2e}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:Mukta,system-ui,sans-serif;color:var(--ink);background:#fff;font-size:17px;line-height:1.55}
img{max-width:100%;display:block}a{color:inherit}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
h1,h2,h3,.bb{font-family:'Baloo 2',Mukta,sans-serif;line-height:1.1}
nav{position:sticky;top:0;z-index:30;background:var(--dark);color:#fff}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:60px;gap:10px}
nav .brand{font-family:'Baloo 2';font-weight:800;font-size:21px;text-decoration:none;color:var(--c3);letter-spacing:.5px}
nav .links{display:flex;gap:18px;font-weight:600}nav .links a{text-decoration:none;opacity:.85}
.btn{display:inline-block;text-decoration:none;font-family:'Baloo 2';font-weight:800;font-size:20px;padding:11px 24px;border-radius:14px;border:none;cursor:pointer;transition:transform .12s,box-shadow .12s;text-align:center}
.btn:hover{transform:translateY(-2px)}
.btn-buy{background:var(--c2);color:#fff;box-shadow:0 6px 0 color-mix(in srgb,var(--c2) 60%,#000)}
.btn-alt{background:#fff;color:var(--dark);box-shadow:0 6px 0 #0003}
.btn-small{font-size:16px;padding:7px 16px;box-shadow:0 4px 0 color-mix(in srgb,var(--c2) 60%,#000)}
.hero{background:radial-gradient(circle at 20% 20%,color-mix(in srgb,var(--c1) 85%,#fff),var(--dark) 75%);color:#fff;padding:50px 0 64px;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1fr 1.15fr;gap:40px;align-items:center}
.covers{position:relative;height:520px}
.covers img{position:absolute;width:62%;border-radius:8px;box-shadow:0 30px 60px #0008;border:4px solid #fff}
.covers .c-en{left:0;top:10px;transform:rotate(-6deg);z-index:2}.covers .c-hi{right:0;top:60px;transform:rotate(5deg)}
.covers .lbl{position:absolute;z-index:3;background:var(--c3);color:var(--dark);font-weight:800;border-radius:20px;padding:2px 12px;font-size:14px}
.tag{display:inline-block;background:var(--c2);color:#fff;font-weight:800;font-size:14px;padding:4px 14px;border-radius:30px;letter-spacing:1px}
.hero h1{font-size:clamp(40px,6vw,66px);margin:14px 0 4px;color:#fff;font-weight:800}
.hero h2{font-size:clamp(24px,3.2vw,34px);margin:0 0 12px;color:var(--c3);font-weight:800}
.lead{font-size:18.5px;opacity:.96}.hil{font-size:18px;background:#ffffff1f;border-left:4px solid var(--c3);padding:6px 12px;border-radius:0 10px 10px 0}
.pricebox{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin:18px 0 8px}
.price{font-family:'Baloo 2';font-weight:800;font-size:54px;line-height:1}.was{font-family:'Baloo 2';font-size:28px;text-decoration:line-through;opacity:.65}
.save{background:var(--c3);color:var(--dark);font-weight:800;border-radius:10px;padding:2px 10px;font-size:15px}
.note{font-size:14px;opacity:.85}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.chip{background:#ffffff1a;border:1.5px solid #ffffff55;border-radius:20px;padding:2px 12px;font-size:14.5px}
.langbtns{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}
section{padding:62px 0}
.h{font-size:clamp(30px,4.4vw,44px);text-align:center;margin:0 0 8px;color:var(--dark);font-weight:800}
.sub{text-align:center;max-width:760px;margin:0 auto 32px;color:#555}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:#fff;border:2px solid #0001;border-radius:18px;padding:20px;box-shadow:0 10px 30px #0000000f}
.card .ic{font-size:36px}.card h3{font-size:24px;margin:6px 0;color:var(--c1)}
.inside{background:var(--soft)}
.chg{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.ch{background:#fff;border-radius:14px;padding:12px;display:flex;gap:10px;align-items:center;border:2px solid #0000000d}
.ch b{flex:0 0 42px;height:42px;border-radius:12px;background:var(--c1);color:#fff;display:flex;align-items:center;justify-content:center;font-family:'Baloo 2';font-size:18px}
.ch:nth-child(4n+2) b{background:var(--c2)}.ch:nth-child(4n+3) b{background:#12a150}.ch:nth-child(4n) b{background:#0096c7}
.ch div{font-weight:700;line-height:1.2;font-size:15.5px}.ch small{display:block;font-weight:600;color:#777;font-size:13px}
.looks{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.looks figure{margin:0;cursor:zoom-in}.looks img{border-radius:8px;box-shadow:0 8px 24px #0002;border:1px solid #ddd}
.looks figcaption{font-size:13.5px;text-align:center;color:#555;margin-top:6px;font-weight:600}
.flip{background:var(--dark);color:#fff}.flip .h{color:#fff}.flip .sub{color:#ddd}
.tabs{display:flex;justify-content:center;gap:10px;margin-bottom:20px}
.tab{background:#ffffff1a;color:#fff;border:2px solid #ffffff55;border-radius:30px;padding:6px 20px;font-weight:800;cursor:pointer;font-size:16px;font-family:Mukta}
.tab.on{background:var(--c3);color:var(--dark);border-color:var(--c3)}
.thumbs{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:10px}
.th{position:relative;aspect-ratio:120/170;border-radius:6px;border:2px solid #fff;cursor:pointer;background-repeat:no-repeat;padding:0;overflow:hidden}
.th span{position:absolute;left:3px;bottom:3px;background:var(--c3);color:var(--dark);font-weight:800;font-size:12px;padding:0 6px;border-radius:6px}
.th.locked{border-color:#ffffff40}.th.locked i{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-style:normal;font-size:24px;background:#0003}
.th:not(.locked){box-shadow:0 0 0 3px #39ff14}
.reader{position:fixed;inset:0;background:#0a0618f5;display:none;align-items:center;justify-content:center;z-index:60;padding:50px 60px}
.rstage{position:relative;height:100%;display:flex;align-items:center;justify-content:center}
.rstage img{max-height:88vh;max-width:100%;border-radius:6px}.rstage img.blur{filter:blur(6px) brightness(.55)}
.rlock{position:absolute;inset:0;display:none;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:#fff;gap:12px;padding:20px}
.rnav{position:absolute;top:50%;transform:translateY(-50%);background:var(--c3);border:none;border-radius:50%;width:52px;height:52px;font-size:32px;cursor:pointer}
.rnav.prev{left:10px}.rnav.next{right:10px}
.rclose{position:absolute;top:10px;right:14px;background:#fff;border:none;border-radius:50%;width:40px;height:40px;font-size:20px;cursor:pointer}
.rcount{position:absolute;bottom:12px;left:0;right:0;text-align:center;color:#fff;font-weight:700}
.author .wrap{display:grid;grid-template-columns:300px 1fr;gap:40px;align-items:center}
.author img{width:280px;height:280px;border-radius:50%;object-fit:cover;border:8px solid #fff;box-shadow:0 0 0 6px var(--c2),0 20px 40px #0003}
.buy{background:radial-gradient(circle at 70% 10%,color-mix(in srgb,var(--c1) 80%,#fff),var(--dark) 70%);color:#fff}
.buy .h{color:#fff}
.opts{display:grid;grid-template-columns:repeat(2,minmax(0,380px));justify-content:center;gap:20px;align-items:stretch}
.opt{background:#fff;color:var(--ink);border-radius:22px;padding:24px;display:flex;flex-direction:column;position:relative;border:4px solid transparent}
.opt.best{border-color:var(--c3);transform:scale(1.03)}
.opt .ribbon{position:absolute;top:-16px;left:50%;transform:translateX(-50%);background:var(--c3);color:var(--dark);font-weight:800;border-radius:20px;padding:3px 16px;white-space:nowrap}
.opt h3{font-size:26px;margin:0;color:var(--c1)}.opt .price{color:var(--dark);font-size:48px}
.opt ul{padding-left:20px;margin:12px 0 18px;flex:1;font-size:15.5px}.opt .btn{width:100%}
.faq details{background:#fff;border:2px solid #0001;border-radius:14px;padding:12px 18px;margin:10px auto;max-width:860px}
.faq summary{font-weight:700;cursor:pointer;font-size:18px}
.share{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:14px;font-size:14px}
.sh{text-decoration:none;font-weight:700;font-size:14px;padding:6px 12px;border-radius:20px;color:#fff}
.wa{background:#25d366}.fb{background:#1877f2}.li{background:#0a66c2}.cp{background:#555}
footer{background:var(--dark);color:#ccc;padding:30px 0;font-size:14px}footer a{color:#fff}
footer .wrap{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between}
.lightbox{position:fixed;inset:0;background:#000d;display:none;align-items:center;justify-content:center;z-index:70;padding:20px}.lightbox img{max-height:92vh;width:auto}
.mobile-buy{display:none}
.policy{max-width:820px;margin:0 auto;padding:40px 20px}.policy h1{font-size:40px;color:var(--c1)}.policy h2{font-size:24px;margin-top:24px}
.okbox{max-width:620px;margin:0 auto;background:#fff;color:var(--ink);border-radius:22px;padding:28px;text-align:center;box-shadow:0 20px 50px #0006}
@media (max-width:900px){.hero .wrap,.author .wrap{grid-template-columns:1fr}.covers{height:420px;max-width:420px;margin:0 auto;width:100%}
 .grid3,.opts{grid-template-columns:1fr}.opt.best{transform:none}.chg{grid-template-columns:1fr 1fr}.looks{grid-template-columns:1fr 1fr}
 nav .links{display:none}.author img{margin:0 auto}
 .mobile-buy{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:40;background:var(--dark);color:#fff;padding:10px 16px;gap:10px;align-items:center;justify-content:space-between;border-top:3px solid var(--c3)}
 body{padding-bottom:72px}.reader{padding:50px 6px}}
@media (max-width:520px){.chg{grid-template-columns:1fr}.covers{height:340px}}