:root{--stb-bg:var(--st-cream,#fbfaf4);--stb-paper:var(--st-paper,#fffefb);--stb-ink:var(--st-ink,#17362b);--stb-muted:var(--st-muted,#748078);--stb-line:var(--st-line,#e5e1d8);--stb-green:var(--st-green,#397f5d);--stb-green-dark:#2d6e50;--stb-green-soft:#edf4ef;--stb-rose:var(--st-rose,#ad4751);--stb-gold:var(--st-gold,#a27050);--stb-shadow:0 18px 50px rgba(29,58,47,.075);--stb-shadow-sm:0 10px 28px rgba(29,58,47,.06)}
.stb-container{width:min(1180px,calc(100% - 40px));margin-inline:auto}.stb-book-page,.stb-store-main,.stb-library{color:var(--stb-ink)}.stb-eyebrow{display:inline-block;font-size:11px;font-weight:900;letter-spacing:.13em;color:var(--stb-gold);text-transform:uppercase}.stb-btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:42px;padding:10px 15px;border:1px solid transparent;border-radius:12px;text-decoration:none!important;font-weight:800;line-height:1.2;transition:transform .16s ease,background .16s ease,border-color .16s ease,box-shadow .16s ease}.stb-btn:hover{transform:translateY(-1px)}.stb-btn-primary{background:linear-gradient(135deg,var(--stb-green),var(--stb-green-dark));color:#fff!important;box-shadow:0 10px 24px rgba(57,127,93,.16)}.stb-btn-primary:hover{background:linear-gradient(135deg,#347451,#285e45)}.stb-btn-buy{background:linear-gradient(135deg,#b24b55,#9e3d47);color:#fff!important;box-shadow:0 10px 24px rgba(173,71,81,.16)}.stb-btn-buy:hover{background:linear-gradient(135deg,#a24049,#8e3540)}.stb-btn-soft{background:var(--stb-paper);color:var(--stb-green-dark)!important;border-color:#d8e1db}.stb-btn-soft:hover{background:var(--stb-green-soft);border-color:#b9cdbf}.stb-btn-big{min-height:48px;padding:13px 18px;font-size:15px}.stb-btn-block{width:100%}.stb-alert{padding:13px 16px;border-radius:12px;background:#fff4e5;border:1px solid #f0d5ab;color:#7a4b11;margin:0 0 20px}.stb-empty{padding:52px 24px;border:1px dashed #cfd9d2;border-radius:20px;background:linear-gradient(135deg,#fffefb,#f7f8f2);text-align:center}.stb-empty-icon{display:block;font-size:32px;margin-bottom:10px}.stb-empty strong{display:block;font-size:21px}.stb-empty p{color:var(--stb-muted);margin:7px 0 18px}

/* Catalog */
.stb-store-hero{padding:54px 0 48px;background:radial-gradient(circle at 10% 0,rgba(57,127,93,.08),transparent 34%),radial-gradient(circle at 92% 12%,rgba(173,71,81,.055),transparent 28%),linear-gradient(180deg,#fbfaf4,#f7f7f0);border-bottom:1px solid rgba(23,54,43,.07)}.stb-store-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:42px;align-items:center}.stb-store-hero-copy h1{max-width:830px;margin:9px 0 13px;font-size:clamp(36px,5vw,62px);line-height:1.02;letter-spacing:-.035em;color:var(--stb-ink)}.stb-store-hero-copy p{max-width:760px;margin:0;color:#66756e;font-size:17px;line-height:1.7}.stb-store-trust{display:flex;flex-wrap:wrap;gap:9px 16px;margin-top:20px;color:#597066;font-size:13px;font-weight:700}.stb-store-hero-panel{padding:24px;border:1px solid var(--stb-line);border-radius:20px;background:rgba(255,254,251,.86);box-shadow:var(--stb-shadow);backdrop-filter:blur(8px)}.stb-store-hero-panel>strong{display:block;font-size:42px;line-height:1;color:var(--stb-green)}.stb-store-hero-panel>span{display:block;margin-top:4px;font-weight:800}.stb-store-hero-panel>small{display:block;margin:13px 0 17px;color:var(--stb-muted);line-height:1.55}.stb-store-main{padding-top:28px;padding-bottom:76px}.stb-catalog-search{max-width:820px;margin:-5px auto 26px;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:8px;padding:7px 7px 7px 15px;background:var(--stb-paper);border:1px solid var(--stb-line);border-radius:16px;box-shadow:0 10px 30px rgba(29,58,47,.045)}.stb-catalog-search>span{font-size:22px;color:#829087}.stb-catalog-search input{width:100%;min-width:0;height:42px;border:0!important;outline:0!important;background:transparent!important;box-shadow:none!important;color:var(--stb-ink);font-size:15px}.stb-catalog-search button{height:42px;padding:0 18px;border:0;border-radius:11px;background:var(--stb-green);color:#fff;font-weight:800;cursor:pointer}.stb-store-toolbar{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:26px}.stb-category-row{display:flex;gap:8px;flex-wrap:wrap;flex:1}.stb-category-row a{padding:8px 12px;border:1px solid var(--stb-line);border-radius:999px;text-decoration:none;color:#627068;background:var(--stb-paper);font-size:13px;font-weight:700}.stb-category-row a:hover,.stb-category-row a.is-active{background:var(--stb-green);border-color:var(--stb-green);color:#fff}.stb-sort-form{display:flex;align-items:center;gap:8px;white-space:nowrap}.stb-sort-form label{font-size:12px;color:#7c8781}.stb-sort-form select{min-height:38px;border:1px solid var(--stb-line);border-radius:10px;padding:7px 30px 7px 10px;background:var(--stb-paper);color:#43534b}.stb-catalog-head,.stb-content-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin:4px 0 19px}.stb-catalog-head h2,.stb-content-section-head h2{margin:5px 0 0;font-size:clamp(25px,3vw,34px);letter-spacing:-.02em}.stb-catalog-head>span,.stb-content-section-head>span,.stb-content-section-head>a{font-size:13px;color:var(--stb-muted);text-decoration:none}

/* Cards */
.stb-book-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}.stb-book-card{min-width:0;overflow:hidden;border:1px solid var(--stb-line);border-radius:19px;background:var(--stb-paper);box-shadow:var(--stb-shadow-sm);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.stb-book-card:hover{transform:translateY(-3px);border-color:#ccd9d0;box-shadow:0 18px 38px rgba(29,58,47,.095)}.stb-cover{position:relative;display:block;aspect-ratio:3/4;background:#eef0e9;overflow:hidden}.stb-cover:after{content:"";position:absolute;inset:auto 0 0;height:28%;background:linear-gradient(180deg,transparent,rgba(12,42,32,.15));pointer-events:none}.stb-cover img,.stb-detail-cover img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .28s ease}.stb-book-card:hover .stb-cover img{transform:scale(1.025)}.stb-cover-placeholder{width:100%;height:100%;min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(circle at 22% 18%,rgba(255,255,255,.13),transparent 24%),linear-gradient(145deg,#446f5a,#1d4635);color:#fff}.stb-cover-placeholder small{font-size:10px;letter-spacing:.18em;opacity:.7}.stb-cover-placeholder b{font-family:Georgia,serif;font-size:48px;line-height:1;margin:8px 0}.stb-cover-placeholder em{font-size:12px;letter-spacing:.15em;font-style:normal}.stb-badge,.stb-cover-count{position:absolute;z-index:3;top:11px;border-radius:999px;font-size:10px;font-weight:900;box-shadow:0 5px 14px rgba(0,0,0,.12)}.stb-badge{left:11px;background:#a94851;color:#fff;padding:6px 9px;letter-spacing:.04em}.stb-cover-count{right:11px;background:rgba(255,254,251,.94);color:#315a48;padding:6px 8px}.stb-book-body{padding:16px}.stb-card-kicker{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:7px}.stb-card-kicker span{color:var(--stb-gold);font-size:10px;font-weight:900;letter-spacing:.06em;text-transform:uppercase}.stb-card-kicker small{max-width:48%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#89938e;font-size:11px}.stb-book-card h3{margin:0 0 9px;font-size:18px;line-height:1.32;letter-spacing:-.01em}.stb-book-card h3 a{text-decoration:none;color:var(--stb-ink)}.stb-card-subtitle{min-height:38px;margin:0 0 12px;color:#7a8580;font-size:13px;line-height:1.47;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.stb-meta{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}.stb-meta span{padding:5px 7px;border-radius:8px;background:#f4f5f1;color:#758079;font-size:11px}.stb-card-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:12px;border-top:1px solid #efeee8}.stb-price{font-size:17px;color:#b0444d}.stb-price .woocommerce-Price-amount{color:inherit}.stb-old-price{opacity:.5;font-weight:650;margin-right:4px}.stb-sale-price{text-decoration:none;color:#b0444d}.stb-card-link{display:inline-flex;align-items:center;gap:4px;color:var(--stb-green)!important;text-decoration:none!important;font-size:12px;font-weight:850}.stb-card-link span{transition:transform .16s}.stb-card-link:hover span{transform:translateX(2px)}.stb-access-note{font-size:11px;color:#607068;margin:8px 0 10px}.stb-reading-progress{margin:4px 0 6px}.stb-reading-progress>div{display:flex;justify-content:space-between;align-items:center;color:#75817b;font-size:11px}.stb-reading-progress>div strong{color:var(--stb-green)}.stb-reading-progress>i{display:block;height:6px;margin:6px 0;border-radius:999px;background:#e8ede9;overflow:hidden}.stb-reading-progress>i b{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--stb-green),#6aa184)}.stb-reading-progress>small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#8a938e;font-size:10px}.stb-pagination{margin-top:34px}.stb-pagination .nav-links{display:flex;gap:8px;justify-content:center}.stb-pagination .page-numbers{padding:8px 11px;border-radius:9px;background:#f2f3ee;text-decoration:none;color:#526158}.stb-pagination .current{background:var(--stb-green);color:#fff}

/* Detail */
.stb-book-page{padding:26px 0 78px;background:var(--stb-bg)}.stb-breadcrumb{display:flex;align-items:center;gap:8px;min-width:0;margin-bottom:22px;color:#8a948f;font-size:12px}.stb-breadcrumb a{color:#65756c;text-decoration:none}.stb-breadcrumb strong{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#536158}.stb-detail-grid{display:grid;grid-template-columns:minmax(250px,330px) minmax(0,1fr);gap:48px;align-items:start}.stb-detail-cover-wrap{position:sticky;top:92px;min-width:0}.stb-detail-cover{position:relative;aspect-ratio:3/4;overflow:hidden;border:1px solid #dedfd9;border-radius:22px;background:#eceee7;box-shadow:0 24px 62px rgba(27,55,44,.14)}.stb-badge-detail{top:14px;left:14px;font-size:11px}.stb-sample-under-cover{margin-top:12px}.stb-detail-info{min-width:0;padding-top:8px}.stb-detail-kicker{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.stb-owned-pill{padding:5px 8px;border-radius:999px;background:#e8f3ec;color:#2f7552;font-size:11px;font-weight:850}.stb-detail-info h1{max-width:780px;margin:8px 0 10px;color:var(--stb-ink);font-size:clamp(34px,4.5vw,58px);line-height:1.04;letter-spacing:-.035em}.stb-detail-subtitle{max-width:760px;margin:0 0 12px;color:#66736d;font-size:19px;line-height:1.5}.stb-detail-author{margin:0 0 17px;color:#77837d;font-size:14px}.stb-detail-author strong{color:#40554a}.stb-detail-pitch{max-width:780px;margin:0 0 18px;color:#4c5a53;font-size:16px;line-height:1.7}.stb-detail-meta{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}.stb-detail-meta span{display:inline-flex;align-items:center;gap:4px;padding:7px 10px;border:1px solid #e2e3de;border-radius:10px;background:#f7f7f3;color:#6b7771;font-size:12px}.stb-detail-meta b{color:var(--stb-ink)}.stb-purchase-panel,.stb-resume-card{max-width:760px;margin-top:17px;padding:20px;border:1px solid #dfe3dd;border-radius:18px;background:linear-gradient(135deg,#fffefb,#f7f9f5);box-shadow:var(--stb-shadow-sm)}.stb-purchase-price small{display:block;color:#858e89;font-size:11px;text-transform:uppercase;letter-spacing:.08em;font-weight:800}.stb-purchase-price>div{margin-top:3px;color:#b0444d;font-size:30px;font-weight:900}.stb-buy-benefits{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 18px;margin:16px 0;color:#617169;font-size:12px}.stb-actions{display:flex;gap:9px;flex-wrap:wrap}.stb-owned-actions{margin-top:12px}.stb-detail-cats{display:flex;gap:7px;flex-wrap:wrap;margin-top:18px}.stb-detail-cats a{padding:6px 9px;border:1px solid #dde4df;border-radius:999px;background:#f6f8f4;color:#4e6b5d;text-decoration:none;font-size:11px;font-weight:700}.stb-resume-head{display:flex;justify-content:space-between;align-items:end;gap:14px}.stb-resume-head small{display:block;color:var(--stb-green);font-size:10px;letter-spacing:.08em;font-weight:900}.stb-resume-head strong{display:block;margin-top:3px;font-size:16px}.stb-resume-head>b{font-size:24px;color:var(--stb-green)}.stb-resume-bar{height:8px;margin:10px 0;border-radius:999px;background:#e7ece8;overflow:hidden}.stb-resume-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--stb-green),#6aa184)}.stb-resume-card p{margin:0 0 14px;color:#6e7a74;font-size:13px}.stb-value-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:54px 0 0}.stb-info-panel{display:grid;grid-template-columns:42px minmax(0,1fr);gap:14px;padding:23px;border:1px solid var(--stb-line);border-radius:18px;background:var(--stb-paper);box-shadow:0 10px 30px rgba(29,58,47,.035)}.stb-section-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;background:var(--stb-green-soft);color:var(--stb-green);font-weight:900}.stb-info-panel h2{margin:0 0 10px;font-size:22px}.stb-info-panel ul{margin:0;padding-left:18px}.stb-info-panel li{padding:4px 0;color:#63716a;line-height:1.55}.stb-toc{margin-top:26px;padding:27px;border:1px solid var(--stb-line);border-radius:20px;background:var(--stb-paper);box-shadow:0 10px 32px rgba(29,58,47,.035)}.stb-public-chapters{display:grid;gap:8px}.stb-public-chapter{display:grid;grid-template-columns:42px minmax(0,1fr) auto;gap:13px;align-items:center;padding:12px 13px;border:1px solid #e7e7e1;border-radius:13px;background:#fff}.stb-public-chapter.is-current{border-color:#c5d8cb;background:#f2f7f3}.stb-public-num{width:42px;height:42px;display:grid;place-items:center;border-radius:11px;background:#edf3ee;color:var(--stb-green);font-size:11px;font-weight:900}.stb-public-copy{min-width:0}.stb-public-copy strong{display:block;color:#2b4337;font-size:14px}.stb-public-copy small{display:block;margin-top:3px;color:#849089;font-size:11px}.stb-public-copy .stb-missing{color:#a66b36}.stb-chapter-action{white-space:nowrap;color:var(--stb-green)!important;text-decoration:none!important;font-size:12px;font-weight:850}.stb-chapter-lock{min-width:36px;height:36px;display:grid;place-items:center;border-radius:10px;background:#f5f4ef;color:#8c928e;font-size:12px}.stb-bottom-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);gap:22px;margin-top:26px}.stb-description,.stb-specs{padding:27px;border:1px solid var(--stb-line);border-radius:20px;background:var(--stb-paper)}.stb-description h2,.stb-specs h2{margin:5px 0 15px;font-size:26px}.stb-description-copy{color:#536159;font-size:16px;line-height:1.8}.stb-description-copy p:first-child{margin-top:0}.stb-specs dl{margin:0}.stb-specs dl div{display:grid;grid-template-columns:112px minmax(0,1fr);gap:10px;padding:9px 0;border-bottom:1px solid #ecece6}.stb-specs dl div:last-child{border-bottom:0}.stb-specs dt{color:#7d8882;font-size:12px;font-weight:750}.stb-specs dd{margin:0;color:#32483d;font-size:13px}.stb-related{margin-top:54px}.stb-related-grid{grid-template-columns:repeat(3,minmax(0,1fr));max-width:880px}

/* Library */
.stb-library{width:min(1180px,calc(100% - 40px));margin:0 auto;padding:34px 0 76px}.stb-library-hero{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:center;padding:30px;border:1px solid var(--stb-line);border-radius:22px;background:radial-gradient(circle at 94% 10%,rgba(173,71,81,.05),transparent 28%),linear-gradient(135deg,#fffefb,#f4f7f2);box-shadow:var(--stb-shadow)}.stb-library-hero h1{max-width:720px;margin:7px 0 10px;font-size:clamp(30px,4vw,45px);line-height:1.08;letter-spacing:-.03em}.stb-library-hero p{max-width:720px;margin:0;color:var(--stb-muted);line-height:1.65}.stb-library-stats{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}.stb-library-stats span{min-width:92px;padding:10px 12px;border:1px solid #e2e6e0;border-radius:12px;background:rgba(255,255,255,.76)}.stb-library-stats strong{display:block;color:var(--stb-green);font-size:19px}.stb-library-stats small{display:block;color:#7c8781;font-size:10px}.stb-library-hero-actions{display:grid;gap:9px;min-width:170px}.stb-section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin:38px 0 18px}.stb-section-head h2{margin:5px 0 0;font-size:30px}.stb-library-login{max-width:760px;margin:40px auto;padding:38px;border:1px solid var(--stb-line);border-radius:22px;background:linear-gradient(135deg,#fffefb,#f5f7f2);text-align:center;box-shadow:var(--stb-shadow)}.stb-library-login h2{margin:7px 0 10px;font-size:34px}.stb-library-login p{color:var(--stb-muted);line-height:1.65}.stb-library-login .stb-actions{justify-content:center}.stb-library-grid .stb-book-card.is-owned{border-color:#d5e0d8}

@media(max-width:1020px){.stb-book-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.stb-store-hero-grid{grid-template-columns:minmax(0,1fr) 260px}.stb-detail-grid{grid-template-columns:280px minmax(0,1fr);gap:32px}.stb-related-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:820px){.stb-store-hero-grid{grid-template-columns:1fr}.stb-store-hero-panel{max-width:520px}.stb-book-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.stb-detail-grid{grid-template-columns:1fr}.stb-detail-cover-wrap{position:static}.stb-detail-cover{max-width:310px;width:72%;margin-inline:auto}.stb-sample-under-cover{max-width:310px;margin:12px auto 0}.stb-bottom-grid{grid-template-columns:1fr}.stb-library-hero{grid-template-columns:1fr}.stb-library-hero-actions{display:flex;flex-wrap:wrap}.stb-related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.stb-container,.stb-library{width:min(100% - 28px,1180px)}.stb-store-hero{padding:36px 0 34px}.stb-store-hero-copy h1{font-size:38px}.stb-store-hero-copy p{font-size:15px}.stb-store-trust{gap:7px 10px;font-size:11px}.stb-store-hero-panel{padding:18px}.stb-store-main{padding-top:18px}.stb-catalog-search{grid-template-columns:auto minmax(0,1fr);padding:6px 10px}.stb-catalog-search button{grid-column:1/-1;width:100%}.stb-store-toolbar{flex-direction:column}.stb-category-row{width:100%;flex-wrap:nowrap;overflow-x:auto;padding-bottom:3px;scrollbar-width:none}.stb-category-row::-webkit-scrollbar{display:none}.stb-category-row a{flex:0 0 auto}.stb-sort-form{width:100%;justify-content:space-between}.stb-sort-form select{flex:1}.stb-catalog-head{align-items:flex-start}.stb-catalog-head>span{white-space:nowrap}.stb-book-grid{gap:11px}.stb-book-card{border-radius:14px}.stb-book-body{padding:11px}.stb-book-card h3{font-size:15px}.stb-card-kicker{align-items:flex-start}.stb-card-kicker small{display:none}.stb-card-subtitle{font-size:12px;min-height:34px}.stb-meta{gap:4px;margin-bottom:10px}.stb-meta span{font-size:9.5px;padding:4px 5px}.stb-card-foot{align-items:flex-start;flex-direction:column;gap:8px}.stb-price{font-size:14px}.stb-card-link{font-size:11px}.stb-cover-placeholder{min-height:180px}.stb-cover-placeholder b{font-size:35px}.stb-badge,.stb-cover-count{top:7px;font-size:8.5px;padding:5px 6px}.stb-badge{left:7px}.stb-cover-count{right:7px}.stb-reading-progress>small{display:none}.stb-access-note{font-size:9.5px}.stb-book-card.is-owned .stb-btn{min-height:38px;padding:8px 9px;font-size:11px}.stb-book-page{padding-top:15px}.stb-breadcrumb{margin-bottom:14px}.stb-detail-cover{width:min(76%,280px)}.stb-detail-info{padding-top:0}.stb-detail-info h1{font-size:35px}.stb-detail-subtitle{font-size:16px}.stb-detail-pitch{font-size:14px}.stb-detail-meta{gap:5px;margin:14px 0}.stb-detail-meta span{font-size:10.5px;padding:6px 8px}.stb-purchase-panel,.stb-resume-card{padding:16px}.stb-buy-benefits{grid-template-columns:1fr}.stb-actions .stb-btn{width:100%}.stb-value-grid{grid-template-columns:1fr;margin-top:31px}.stb-info-panel{padding:18px}.stb-toc{padding:17px;margin-top:18px}.stb-content-section-head{align-items:flex-start}.stb-content-section-head>span{max-width:120px;text-align:right}.stb-public-chapter{grid-template-columns:36px minmax(0,1fr);padding:10px}.stb-public-num{width:36px;height:36px}.stb-public-chapter .stb-chapter-action,.stb-public-chapter .stb-chapter-lock{grid-column:2;justify-self:start;margin-top:2px}.stb-description,.stb-specs{padding:19px}.stb-description-copy{font-size:15px}.stb-related{margin-top:34px}.stb-library{padding-top:18px}.stb-library-hero{padding:20px}.stb-library-hero h1{font-size:31px}.stb-library-hero-actions .stb-btn{width:100%}.stb-library-stats{display:grid;grid-template-columns:repeat(3,1fr);width:100%}.stb-library-stats span{min-width:0}.stb-section-head{margin-top:28px}.stb-section-head h2{font-size:26px}}