:root{--ink:#152233;--muted:#687384;--paper:#fbfaf7;--line:#dde2e7;--accent:#8b6f3d;--accent-soft:#f3ede2;--white:#fff;--success:#295f46;--shadow:0 14px 30px rgba(20,33,48,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,sans-serif;background:var(--paper);color:var(--ink);line-height:1.6}a{color:inherit;text-decoration:none}.container{width:min(1180px,92%);margin:auto}.site-header{position:sticky;top:0;z-index:20;background:rgba(251,250,247,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{font-family:Georgia,serif;font-weight:700;letter-spacing:.06em;font-size:1.2rem}.main-nav{display:flex;gap:22px;align-items:center}.main-nav a{font-size:.95rem;color:#334154}.main-nav a:hover{color:var(--accent)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:999px;font-weight:700;border:1px solid var(--ink);transition:.2s}.btn:hover{transform:translateY(-1px)}.btn-dark{background:var(--ink);color:#fff}.btn-light{background:transparent;color:var(--ink)}.btn-accent{background:var(--accent);border-color:var(--accent);color:#fff}.hero{padding:96px 0 68px}.kicker{text-transform:uppercase;letter-spacing:.15em;font-size:.78rem;font-weight:700;color:var(--accent)}h1,h2,h3{font-family:Georgia,serif;line-height:1.12;margin:0 0 18px}h1{font-size:clamp(3rem,8vw,6.4rem);letter-spacing:-.04em}h2{font-size:clamp(2rem,5vw,3.2rem)}h3{font-size:1.35rem}.lead{font-size:1.18rem;color:#445063;max-width:720px}.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:50px;align-items:end}.hero-panel{background:var(--ink);color:white;padding:36px;border-radius:28px;box-shadow:var(--shadow)}.hero-panel p{color:#d4dae2}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.section{padding:70px 0}.section-alt{background:#fff;border-block:1px solid var(--line)}.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:28px}.grid{display:grid;gap:22px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.card{background:white;border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:0 8px 18px rgba(20,33,48,.04)}.book-cover{aspect-ratio:2/3;background:linear-gradient(145deg,#1c2a3d,#6b4e2b);border-radius:16px;padding:24px;color:#fff;display:flex;flex-direction:column;justify-content:space-between;margin-bottom:18px}.book-cover small{opacity:.8}.meta{font-size:.86rem;color:var(--muted)}.tag{display:inline-block;background:var(--accent-soft);color:#624b26;border-radius:999px;padding:6px 10px;font-size:.76rem;font-weight:700;margin:2px 4px 2px 0}.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}.list-clean{list-style:none;padding:0;margin:0}.list-clean li{padding:10px 0;border-bottom:1px solid var(--line)}.notice{background:var(--accent-soft);border:1px solid #e5d8bf;padding:16px 18px;border-radius:16px}form{display:grid;gap:14px}label{font-size:.9rem;font-weight:700}input,textarea,select{width:100%;padding:13px 14px;border:1px solid #cfd6de;border-radius:12px;background:white;font:inherit}textarea{min-height:140px;resize:vertical}footer{background:var(--ink);color:#dce3ea;padding:52px 0 26px;margin-top:60px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:36px}footer h3{color:white}footer a{display:block;color:#c4ccd5;margin:8px 0}.copyright{border-top:1px solid rgba(255,255,255,.13);margin-top:36px;padding-top:20px;color:#9eabb8;font-size:.88rem}.breadcrumb{font-size:.9rem;color:var(--muted);margin-top:24px}.retail-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.retail-card{border:1px solid var(--line);border-radius:16px;padding:16px;background:#fff}.menu-toggle{display:none;border:0;background:none;font-size:1.4rem}@media(max-width:900px){.hero-grid,.split,.footer-grid{grid-template-columns:1fr}.grid-4,.grid-3,.retail-grid{grid-template-columns:1fr 1fr}.main-nav{display:none;position:absolute;top:76px;left:0;right:0;background:var(--paper);padding:20px 4%;border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start}.main-nav.open{display:flex}.menu-toggle{display:block}}@media(max-width:620px){.grid-4,.grid-3,.retail-grid{grid-template-columns:1fr}.hero{padding-top:58px}.section{padding:54px 0}.header-inner{height:68px}.main-nav{top:68px}}