:root{--ink:#163d30;--jade:#238b67;--jade2:#79c99e;--gold:#d7ac55;--paper:#fffef5;--mist:#eefaf3;--red:#a73535;--shadow:0 18px 55px #0d3b2a24}*{box-sizing:border-box}html{font-size:18px}body{margin:0;color:var(--ink);font-family:Georgia,"Times New Roman",serif;background:radial-gradient(circle at 72% 8%,#fff 0,#effcf5 22%,transparent 45%),linear-gradient(145deg,#fafffc,#dcf3e6);min-height:100vh}.topbar{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;padding:18px clamp(20px,5vw,80px);background:#f8fffbe8;backdrop-filter:blur(14px);border-bottom:1px solid #2f8c6740}.brand{font-size:1.45rem;letter-spacing:.16em;font-weight:800;color:#175c43;text-decoration:none;text-shadow:0 2px 16px #75c69d66}.topbar nav{display:flex;gap:28px}.topbar nav a{color:var(--ink);font-weight:700;text-decoration:none}main{width:min(1500px,94vw);margin:auto;padding:40px 0 80px}footer{text-align:center;padding:35px;background:#123d30;color:#eaf8ef}.hero{min-height:62vh;display:grid;place-items:center;text-align:center;border:1px solid #7abc9c70;border-radius:40px;background:linear-gradient(#07372799,#0a4936b8),radial-gradient(circle,#7cdbad 0,#1f7557 35%,#082f24 70%);box-shadow:var(--shadow);color:#fff;padding:60px}.hero h1{font-size:clamp(3rem,8vw,7rem);margin:.1em}.hero p{font-size:clamp(1.15rem,2vw,1.55rem);max-width:900px;line-height:1.7}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:999px;padding:13px 22px;font:700 1rem inherit;text-decoration:none;cursor:pointer;background:var(--jade);color:#fff;box-shadow:0 8px 24px #165e4436}.btn.gold{background:var(--gold);color:#342408}.btn.red{background:var(--red)}.section-title{font-size:clamp(2rem,4vw,3.4rem);text-align:center;margin:20px 0 10px}.lede{text-align:center;font-size:1.15rem;color:#46695d}.toolbar,.panel{background:#ffffffd9;border:1px solid #75b89770;border-radius:22px;padding:22px;box-shadow:var(--shadow)}.toolbar{display:flex;gap:12px;margin:28px 0}.toolbar input{flex:1;border:1px solid #9ac9b2;border-radius:999px;padding:13px 18px;font-size:1rem}.book-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:26px}.book-card{background:#fff;border:1px solid #80bda080;border-radius:18px;overflow:hidden;box-shadow:0 12px 35px #174d3830;transition:.25s}.book-card:hover{transform:translateY(-7px)}.book-card img{width:100%;aspect-ratio:2/3;object-fit:cover;background:#d7efe2}.book-card .meta{padding:16px}.book-card h2{font-size:1.16rem;line-height:1.35;margin:0 0 8px}.book-card a{text-decoration:none;color:var(--ink)}.muted{color:#628072}.pagination{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin:34px}.pagination a,.pagination span{padding:9px 13px;border-radius:10px;background:#fff;color:var(--ink);text-decoration:none}.pagination .active{background:var(--jade);color:white}.book-hero{display:grid;grid-template-columns:minmax(220px,320px) 1fr;gap:40px;align-items:start}.book-cover{width:100%;border-radius:18px;box-shadow:var(--shadow)}.book-info h1{font-size:clamp(2.3rem,5vw,4.7rem);margin:0}.book-info p{font-size:1.12rem;line-height:1.75}.chapter-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:20px}.chapter{display:flex;justify-content:space-between;padding:14px 16px;border:1px solid #8fc5aa75;border-radius:12px;text-decoration:none;color:var(--ink);background:#fff}.chapter.locked{background:#f7f3e8}.reader{width:min(1200px,98vw);margin:auto;background:var(--paper);border:1px solid #c9aa6a;border-radius:8px;padding:clamp(24px,6vw,82px);box-shadow:0 22px 70px #472e1738}.reader h1{text-align:center;font-size:clamp(2rem,5vw,3.7rem)}.reader-content{font-size:clamp(1.15rem,1.7vw,1.4rem);line-height:1.9;white-space:pre-wrap}.purchase{margin:45px auto 0;padding:28px;border:2px solid var(--gold);border-radius:20px;background:#fff9df;text-align:center}.purchase h2{font-size:2rem}.purchase form{display:grid;gap:12px;max-width:620px;margin:auto}.purchase input{padding:14px;border:1px solid #bda66d;border-radius:10px;font-size:1rem}.qr{display:block;width:min(360px,90%);margin:20px auto;border-radius:16px}.bank{font-size:1.12rem;line-height:1.7}.notice{padding:16px;border-radius:12px;background:#ecf9f1;border:1px solid #63a884}.error{background:#fff0f0;border-color:#d88}.admin-table{width:100%;border-collapse:collapse;font-family:system-ui,sans-serif}.admin-table th,.admin-table td{text-align:left;padding:12px;border-bottom:1px solid #b7d8c7}.login{max-width:520px;margin:8vh auto}.login form{display:grid;gap:14px}.login input{padding:14px;font-size:1rem}.actions{display:flex;gap:12px;flex-wrap:wrap}@media(max-width:760px){html{font-size:17px}.topbar nav{gap:10px}.book-hero{grid-template-columns:1fr}.book-cover{max-width:300px;margin:auto}.chapter-grid{grid-template-columns:1fr}.hero{min-height:55vh;padding:35px 18px}.toolbar{flex-direction:column}.admin-table{font-size:.86rem}}