:root{--bg:#ffffff;--bg2:#f6faf8;--ink:#0f172a;--ink2:#64748b;--line:#e6ecea;--em:#059669;--em-d:#047857;--em-dd:#065f46;--mint:#d1fae5;--mint-l:#ecfdf5;--rad:18px;--shadow:0 1px 2px rgba(16,24,40,.04),0 8px 24px -12px rgba(16,24,40,.12)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;font-size:16px;line-height:1.65;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em;color:var(--ink);margin:0}
a{color:var(--em-d)}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.site-header{background:rgba(255,255,255,.85);backdrop-filter:saturate(180%) blur(12px);position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line)}
.header-in{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 24px;flex-wrap:wrap}
.brand{font-weight:800;font-size:1.2rem;color:var(--ink);text-decoration:none;letter-spacing:-.03em;display:flex;align-items:center;gap:9px}
.brand-mark{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--em),var(--em-dd));color:#fff;display:inline-grid;place-items:center;font-size:1rem}
.brand-tld{color:var(--ink2);font-weight:600;font-size:.9em}
.site-nav{display:flex;gap:4px;align-items:center;flex-wrap:wrap}
.site-nav a{color:var(--ink2);text-decoration:none;font-size:.9rem;font-weight:500;padding:8px 12px;border-radius:9px}
.site-nav a:hover{color:var(--ink);background:var(--bg2)}
.nav-search{background:var(--em);color:#fff!important;font-weight:600}
.nav-search:hover{background:var(--em-d)!important}
.hero{background:radial-gradient(120% 120% at 15% 0%,#10b981 0%,var(--em-d) 45%,var(--em-dd) 100%);color:#fff;padding:92px 0 100px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;top:-30%;right:-8%;width:600px;height:600px;background:radial-gradient(circle,rgba(209,250,229,.22),transparent 70%);border-radius:50%;pointer-events:none}
.hero h1{color:#fff;font-size:clamp(2.2rem,5.5vw,3.5rem);font-weight:800;margin:0 0 18px;max-width:16em}
.hero p{color:#d1fae5;max-width:36em;font-size:1.15rem;margin:0 0 30px}
.hero .wrap{position:relative;z-index:1}
.hero-search{max-width:820px}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:#a7f3d0;background:rgba(255,255,255,.1);padding:6px 14px;border-radius:99px;margin-bottom:20px}
.searchbar{display:flex;gap:8px;background:#fff;padding:8px;border-radius:16px;box-shadow:0 12px 40px -12px rgba(0,0,0,.35);flex-wrap:wrap;max-width:760px}
.searchbar input{flex:1;min-width:180px;border:0;outline:0;font-size:1.05rem;font-family:inherit;padding:12px 16px;color:var(--ink);background:transparent}
.searchbar select{border:1px solid var(--line);background:var(--bg2);border-radius:11px;padding:0 14px;font-size:.95rem;font-family:inherit;color:var(--ink);max-width:200px;cursor:pointer}
.sbtn{border:0;background:var(--em);color:#fff;font-weight:700;font-size:1rem;font-family:inherit;padding:12px 26px;border-radius:11px;cursor:pointer;transition:background .12s}
.sbtn:hover{background:var(--em-d)}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
.chip{border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.1);color:#eafff5;font-size:.82rem;font-weight:500;font-family:inherit;padding:6px 14px;border-radius:99px;cursor:pointer;transition:background .12s}
.chip:hover,.chip.on{background:#fff;color:var(--em-dd);border-color:#fff}
.sec-head{margin-bottom:0}
.nores{color:var(--ink2);font-size:1.05rem;padding:14px 0}
.linkbtn{border:0;background:none;color:var(--em-d);font-weight:600;font-family:inherit;font-size:1rem;cursor:pointer;text-decoration:underline;padding:0}
@media(max-width:600px){.searchbar select{max-width:100%;flex:1;padding:12px 14px}}
.btn{display:inline-block;background:#fff;color:var(--em-dd);font-weight:700;text-decoration:none;padding:13px 24px;border-radius:12px;font-size:.98rem;box-shadow:0 4px 14px rgba(0,0,0,.12);transition:transform .12s,box-shadow .12s}
.btn:hover{transform:translateY(-1px);box-shadow:0 8px 22px rgba(0,0,0,.16)}
.btn.ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.3);box-shadow:none;margin-left:10px}
.stats{color:#a7f3d0;font-size:.9rem;margin-top:24px;font-weight:500}
section.band{padding:64px 0}
.band-alt{background:var(--bg2)}
h2.sec{font-size:1.9rem;font-weight:800;margin:0 0 8px}
p.sec-sub{color:var(--ink2);margin:0 0 30px;max-width:44em;font-size:1.05rem}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.card{background:var(--bg);border:1px solid var(--line);border-radius:var(--rad);padding:22px;display:flex;flex-direction:column;transition:border-color .15s,box-shadow .15s,transform .12s}
.card:hover{border-color:var(--em);box-shadow:var(--shadow);transform:translateY(-3px)}
.card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.avatar{width:46px;height:46px;border-radius:13px;background:linear-gradient(135deg,var(--mint),#a7f3d0);color:var(--em-dd);display:grid;place-items:center;font-weight:800;font-size:1.05rem;letter-spacing:-.02em}
.badge-shop{background:var(--mint-l);color:var(--em-dd)}
.card h3{margin:0 0 4px;font-size:1.15rem;font-weight:700}
.card h3 a{text-decoration:none;color:var(--ink)}
.card h3 a:hover{color:var(--em-d)}
.card-loc{margin:0 0 10px;color:var(--em-d);font-weight:600;font-size:.78rem;text-transform:uppercase;letter-spacing:.05em}
.card-desc{margin:0;color:var(--ink2);font-size:.94rem;flex:1}
.card-more{margin:16px 0 0;font-size:.9rem}
.card-more a{text-decoration:none;font-weight:600;color:var(--em-d)}
.badge{font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;border-radius:99px;padding:3px 10px;vertical-align:2px;margin-left:8px}
.badge-online{background:#eff6ff;color:#2563eb}
.city-tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.city-tile{background:var(--bg);border:1px solid var(--line);border-radius:16px;padding:20px 22px;text-decoration:none;display:block;transition:border-color .15s,box-shadow .15s,transform .12s}
.city-tile:hover{border-color:var(--em);box-shadow:var(--shadow);transform:translateY(-2px)}
.city-tile b{display:block;color:var(--ink);font-size:1.12rem;font-weight:700;letter-spacing:-.02em}
.city-tile span{color:var(--ink2);font-size:.88rem}
.crumbs{font-size:.88rem;color:var(--ink2);margin:34px 0 6px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.crumbs a{text-decoration:none;color:var(--ink2)}
.crumbs a:hover{color:var(--em-d)}
.crumbs .sep{color:#cbd5e1}
.crumbs [aria-current]{color:var(--ink)}
.page-head{padding:20px 0 34px}
.page-head h1{font-size:clamp(2rem,4.5vw,2.7rem);font-weight:800;margin:8px 0 12px}
.page-head .lede{color:var(--ink2);max-width:46em;font-size:1.1rem;margin:0}
.detail{display:grid;grid-template-columns:1.6fr 1fr;gap:30px;align-items:start}
@media(max-width:760px){.detail{grid-template-columns:1fr}}
.info-box{background:var(--bg2);border:1px solid var(--line);border-radius:20px;padding:26px}
.info-box h2{font-size:1.05rem;font-weight:700;margin:0 0 14px}
.info-box dl{margin:0}
.info-box dt{font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--em-d);font-weight:700;margin-top:14px}
.info-box dd{margin:3px 0 0;color:var(--ink);font-weight:500}
.info-box dd a{color:var(--em-d);font-weight:600}
.info-box .btn{margin-top:22px;font-size:.92rem;background:var(--em);color:#fff;width:100%;text-align:center;box-shadow:none}
.info-box .btn:hover{background:var(--em-d)}
.prose{max-width:46em}
.prose p{color:var(--ink2);font-size:1.05rem;line-height:1.75}
.faq details{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:16px 20px;margin-bottom:10px}
.faq summary{font-weight:600;cursor:pointer;color:var(--ink)}
.faq p{color:var(--ink2);margin:12px 0 0}
.site-footer{background:var(--bg2);color:var(--ink2);margin-top:64px;padding:52px 0 22px;font-size:.9rem;border-top:1px solid var(--line)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px}
@media(max-width:700px){.foot-grid{grid-template-columns:1fr}}
.foot-brand{color:var(--ink);font-size:1.15rem;font-weight:800;letter-spacing:-.02em;margin:0 0 10px}
.foot-h{color:var(--em-d);font-weight:700;text-transform:uppercase;font-size:.74rem;letter-spacing:.08em;margin:0 0 12px}
.site-footer a{color:var(--ink2);text-decoration:none;display:block;padding:3px 0}
.site-footer a:hover{color:var(--em-d)}
.foot-note{border-top:1px solid var(--line);margin-top:34px;padding-top:18px;color:var(--ink2)}
.foot-note a{display:inline;color:var(--em-d);text-decoration:underline}
.search-box{background:var(--bg2);border:1px solid var(--line);border-radius:20px;padding:28px}
table.dir{width:100%;border-collapse:collapse;background:var(--bg);border:1px solid var(--line);border-radius:var(--rad);overflow:hidden}
.nav-toggle{display:none}
.nav-burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:9px;border-radius:9px;background:none;border:0}
.nav-burger span{display:block;width:22px;height:2px;background:var(--ink);border-radius:2px}
/* ---- ads (tasteful, labelled, non-intrusive) ---- */
/* Ads: space is reserved up-front (min-height) so nothing shifts when a unit
   loads — protects Core Web Vitals (CLS). Every unit is clearly labelled. */
.ad-slot{margin:26px 0;text-align:center;min-height:114px;contain:layout}
.ad-slot .adsbygoogle{display:block;min-height:90px}
.ad-label{display:block;font-size:.62rem;text-transform:uppercase;letter-spacing:.09em;color:#aab4c0;margin-bottom:6px}
.ad-ph{border:1px dashed var(--line);border-radius:14px;background:var(--bg2);min-height:90px;display:flex;align-items:center;justify-content:center;color:#9aa6b2;font-weight:600;font-size:.9rem}
.ad-leader{min-height:120px}
.ad-leader .ad-ph{min-height:100px}
@media(max-width:640px){.ad-slot{min-height:120px}.ad-leader .ad-ph{min-height:100px}}
.ad-incontent{margin:22px 0}
.ad-footer{margin:10px 0 0}
.adcard{align-items:stretch;justify-content:center;background:var(--bg2);border-style:dashed}
.adcard .ad-label{align-self:flex-start;padding:12px 0 0 14px}
.adcard .ad-ph{border:0;background:transparent;flex:1}
.ad-sticky{position:fixed;left:0;right:0;bottom:0;z-index:40;background:#fff;border-top:1px solid var(--line);box-shadow:0 -6px 20px -10px rgba(16,24,40,.18);min-height:56px;display:flex;align-items:center;justify-content:center;padding:6px 40px 6px 12px}
.ad-sticky .ad-ph{min-height:44px;border:0;background:transparent}
.ad-sticky-x{position:absolute;right:8px;top:50%;transform:translateY(-50%);width:26px;height:26px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--ink2);font-size:1rem;line-height:1;cursor:pointer}
.ad-sticky-x:hover{background:var(--bg2)}
@media(min-width:900px){.ad-sticky{display:none}}
/* ---- books ---- */
.bgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:20px}
.bcard{background:var(--bg);border:1px solid var(--line);border-radius:16px;overflow:hidden;text-decoration:none;display:flex;flex-direction:column;transition:border-color .15s,box-shadow .15s,transform .12s}
.bcard:hover{border-color:var(--em);box-shadow:var(--shadow);transform:translateY(-3px)}
.cover{position:relative;aspect-ratio:3/4;background:#f1f5f4;display:grid;place-items:center;overflow:hidden}
.cover img{width:100%;height:100%;object-fit:cover;display:block}
.cover-fallback{display:none;padding:16px;font-weight:700;color:var(--em-dd);text-align:center;font-size:.9rem;line-height:1.3}
.cover.noimg{background:linear-gradient(150deg,var(--mint-l),var(--mint))}
.cover.noimg .cover-fallback{display:block}
.bcard-body{padding:14px 15px;display:flex;flex-direction:column;flex:1}
.bcard-body h3{font-size:.95rem;font-weight:600;line-height:1.3;margin:0 0 4px;color:var(--ink);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.bcard-tl{display:block;font-size:.78rem;color:var(--ink2);font-style:italic;margin:0 0 10px;line-height:1.25;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bcard-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:8px}
.bprice{font-weight:800;color:var(--em-dd);font-size:.98rem}
.btag{font-size:.66rem;font-weight:700;background:var(--bg2);color:var(--ink2);border:1px solid var(--line);border-radius:99px;padding:3px 9px;white-space:nowrap;max-width:110px;overflow:hidden;text-overflow:ellipsis}
.btag-multi{background:var(--mint-l);color:var(--em-dd);border-color:var(--mint)}
.shopdot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:8px;vertical-align:1px}
.count-line{color:var(--ink2);font-size:.95rem;margin:0 0 18px}
.stock{display:inline-block;font-size:.7rem;font-weight:700;border-radius:99px;padding:3px 9px;white-space:nowrap}
.bcard-body .stock{margin:0 0 10px}
.stock-in{background:var(--mint-l);color:var(--em-dd)}
.stock-low{background:#fff3d6;color:#96690a}
.stock-out{background:#fdeaea;color:#c0392b}
.buybtn-out{background:#94a3b8}.buybtn-out:hover{background:#64748b}
.offer .stock{align-self:center}
/* book detail */
.bd{display:grid;grid-template-columns:280px 1fr;gap:36px;align-items:start;padding:8px 0 20px}
@media(max-width:720px){.bd{grid-template-columns:1fr;gap:22px}.bd .cover{max-width:230px}}
.bd .cover{border-radius:16px;border:1px solid var(--line)}
.bd h1{font-size:clamp(1.5rem,3.5vw,2.1rem);margin:0 0 6px}
.translit-line{color:var(--ink2);font-style:italic;font-size:1.05rem;margin:0 0 10px}
.offers{margin-top:18px;display:flex;flex-direction:column;gap:12px}
.offer{display:flex;align-items:center;justify-content:space-between;gap:14px;background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:16px 18px;flex-wrap:wrap}
.offer:hover{border-color:var(--em)}
.offer-shop{font-weight:700;color:var(--ink)}
.offer-shop small{display:block;font-weight:500;color:var(--ink2);font-size:.82rem}
.offer-right{display:flex;align-items:center;gap:16px}
.offer-price{font-weight:800;color:var(--em-dd);font-size:1.25rem}
.buybtn{background:var(--em);color:#fff;font-weight:700;text-decoration:none;padding:11px 20px;border-radius:11px;white-space:nowrap;transition:background .12s}
.buybtn:hover{background:var(--em-d)}
.pricenote{color:var(--ink2);font-size:.9rem;margin-top:4px}
/* ---- mobile / iPhone ---- */
@media(max-width:640px){
  .header-in{position:relative;padding:12px 18px}
  .brand{font-size:1.1rem}
  .nav-burger{display:flex}
  .site-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;gap:2px;padding:10px;border-bottom:1px solid var(--line);box-shadow:0 14px 34px -12px rgba(16,24,40,.2)}
  .site-nav a{padding:13px 14px;border-radius:10px;font-size:1rem}
  .nav-toggle:checked ~ .site-nav{display:flex}
  .nav-search{margin-top:4px;text-align:center}
  .hero{padding:52px 0 60px}
  .hero p{font-size:1.05rem}
  section.band{padding:44px 0}
  .wrap{padding:0 18px}
  h2.sec{font-size:1.55rem}
  .searchbar{padding:7px;gap:7px}
  .searchbar input{font-size:16px;padding:13px 14px}
  .searchbar select{max-width:100%;flex:1 1 100%;font-size:16px;padding:13px 14px}
  .sbtn{width:100%;padding:14px}
  .grid{grid-template-columns:1fr;gap:14px}
  .bgrid{grid-template-columns:1fr 1fr;gap:14px}
  .city-tiles{grid-template-columns:1fr 1fr;gap:10px}
  .info-box .btn{padding:15px}
  .foot-grid{gap:26px}
  .offer-price{font-size:1.1rem}
}
@media(max-width:380px){.city-tiles{grid-template-columns:1fr}}