.ptp-library{background:#fff;color:#18202a;font-family:"Vazirmatn","Vazir",Tahoma,sans-serif;padding-top:84px}
.ptp-library *{box-sizing:border-box}
.ptp-library-container{width:min(1180px,calc(100% - 36px));margin-inline:auto}
.ptp-library-switcher{position:sticky;top:74px;z-index:26;background:rgba(255,255,255,.96);border-bottom:1px solid #eef0f2;backdrop-filter:blur(14px)}
.ptp-library-switcher .ptp-library-container{display:flex;align-items:center;gap:28px;min-height:52px;overflow:auto;scrollbar-width:none}
.ptp-library-switcher .ptp-library-container::-webkit-scrollbar{display:none}
.ptp-library-switcher a{position:relative;color:#65707b;font-size:14px;font-weight:700;text-decoration:none;white-space:nowrap;padding:17px 1px 14px}
.ptp-library-switcher a::after{content:"";position:absolute;right:0;bottom:0;width:0;height:3px;border-radius:4px;background:#2EB58A;transition:.2s ease}
.ptp-library-switcher a.is-active{color:#16262b}
.ptp-library-switcher a.is-active::after{width:100%}
.ptp-library-hero{padding:24px 0 42px;background:#fff}
.ptp-library-hero__grid{position:relative;min-height:330px;display:grid;grid-template-columns:minmax(0,1fr) minmax(340px,.9fr);align-items:center;gap:30px;padding:44px 56px;border-radius:18px;background:linear-gradient(110deg,#0eaa9d 0%,#2EB58A 55%,#54caa6 100%);overflow:hidden}
.ptp-library-hero__grid::before,.ptp-library-hero__grid::after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.12);pointer-events:none}
.ptp-library-hero__grid::before{width:280px;height:280px;left:-70px;top:-110px}.ptp-library-hero__grid::after{width:180px;height:180px;right:36%;bottom:-92px}
.ptp-library-hero__copy{position:relative;z-index:2;color:#fff;max-width:590px}
.ptp-library-hero__copy>span{display:inline-block;margin-bottom:12px;font-size:12px;font-weight:800;letter-spacing:.12em;color:rgba(255,255,255,.84)}
.ptp-library-hero__copy h1{margin:0 0 14px;font-size:clamp(30px,4vw,50px);line-height:1.35;font-weight:900;letter-spacing:-.035em}
.ptp-library-hero__copy p{margin:0 0 24px;color:rgba(255,255,255,.88);font-size:15px;line-height:2;max-width:570px}
.ptp-library-hero__copy a{display:inline-flex;align-items:center;gap:10px;padding:11px 18px;border-radius:10px;background:#fff;color:#176a5d;font-size:13px;font-weight:800;text-decoration:none;box-shadow:0 12px 24px rgba(0,0,0,.08)}
.ptp-library-hero__visual{position:relative;z-index:2;height:240px;perspective:900px}
.ptp-library-hero__book{position:absolute;bottom:8px;width:150px;height:220px;padding:18px 16px;border-radius:8px 12px 12px 8px;background:linear-gradient(160deg,var(--cover-soft),#fff 55%,var(--cover));box-shadow:0 24px 46px rgba(3,44,38,.22);border:1px solid rgba(255,255,255,.6);display:flex;flex-direction:column;justify-content:space-between;color:#15322e;overflow:hidden}
.ptp-library-hero__book::after{content:"";position:absolute;right:-45px;bottom:-25px;width:130px;height:130px;border-radius:50%;background:var(--cover);opacity:.22}
.ptp-library-hero__book span{position:relative;z-index:1;font-size:12px;font-weight:900;color:var(--cover)}
.ptp-library-hero__book strong{position:relative;z-index:1;font-size:16px;line-height:1.65;font-weight:900}
.ptp-library-hero__book.book-1{right:36px;transform:rotate(8deg) translateY(8px)}
.ptp-library-hero__book.book-2{right:135px;z-index:2;transform:rotate(-2deg) translateY(-8px)}
.ptp-library-hero__book.book-3{right:238px;transform:rotate(-10deg) translateY(12px)}
.ptp-library-categories{padding:8px 0 34px}
.ptp-lib-section-head{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:20px}
.ptp-lib-section-head h2{margin:0;font-size:20px;line-height:1.5;font-weight:900;color:#142027}
.ptp-lib-section-head>a,.ptp-lib-section-head>span{color:#238d75;font-size:13px;font-weight:800;text-decoration:none;white-space:nowrap}
.ptp-lib-section-head>div{display:flex;gap:6px}
.ptp-lib-section-head button{display:grid;place-items:center;width:34px;height:34px;border:1px solid #e2e7e8;border-radius:9px;background:#fff;color:#506067;font-size:20px;cursor:pointer}
.ptp-library-category-row{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px}
.ptp-lib-category{min-height:92px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:9px;padding:14px;border:1px solid #edf0f1;border-radius:12px;color:#28353a;text-decoration:none;background:#fff;transition:.2s ease}
.ptp-lib-category:hover{transform:translateY(-3px);border-color:#bfe6db;box-shadow:0 12px 25px rgba(28,73,65,.07)}
.ptp-lib-category span{display:grid;place-items:center;width:36px;height:36px;border-radius:10px;background:#e9f8f3;color:#1a8e73;font-size:12px;font-weight:900}.ptp-lib-category strong{font-size:12px;text-align:center;line-height:1.55}
.ptp-lib-section{padding:34px 0}.ptp-lib-section--soft{background:#fafbfb}.ptp-lib-row{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;padding:2px 2px 14px;scrollbar-width:none}.ptp-lib-row::-webkit-scrollbar{display:none}
.ptp-lib-card{flex:0 0 166px;scroll-snap-align:start;min-width:0}
.ptp-lib-card__cover{position:relative;display:flex;flex-direction:column;justify-content:space-between;width:100%;aspect-ratio:0.69;padding:15px 13px;border-radius:7px 11px 11px 7px;background:linear-gradient(160deg,var(--cover-soft) 0%,#fff 50%,var(--cover) 160%);border:1px solid #e8eded;color:#172b29;text-decoration:none;overflow:hidden;box-shadow:0 9px 18px rgba(29,49,47,.08);transition:.2s ease}
.ptp-lib-card__cover::before{content:"";position:absolute;right:0;top:0;bottom:0;width:5px;background:var(--cover);opacity:.75}.ptp-lib-card__cover::after{content:"";position:absolute;left:-30px;bottom:-35px;width:110px;height:110px;border-radius:50%;background:var(--cover);opacity:.14}
.ptp-lib-card:hover .ptp-lib-card__cover{transform:translateY(-4px);box-shadow:0 16px 28px rgba(29,49,47,.12)}
.ptp-lib-cover__mark{font-size:9px;font-weight:900;letter-spacing:.1em;color:#5d6967}.ptp-lib-cover__code{position:absolute;top:14px;left:12px;z-index:1;font-size:11px;font-weight:900;color:var(--cover)}
.ptp-lib-card__cover strong{position:relative;z-index:1;font-size:14px;line-height:1.75;font-weight:900;margin-top:auto;margin-bottom:12px}.ptp-lib-card__cover small{position:relative;z-index:1;color:#5c6665;font-size:10px;font-weight:700}
.ptp-lib-card__body{padding-top:10px}.ptp-lib-card__type{color:#2b9e82;font-size:9px;font-weight:800}.ptp-lib-card__body h3{margin:5px 0 6px;font-size:12px;line-height:1.75;font-weight:800;min-height:42px}.ptp-lib-card__body h3 a{color:#1c282d;text-decoration:none}.ptp-lib-card__body p{margin:0 0 7px;color:#7a8489;font-size:10px;line-height:1.6;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ptp-lib-card__rating{display:flex;align-items:center;gap:4px;margin-bottom:7px;color:#687277;font-size:10px}.ptp-lib-card__rating span{color:#e1a900;font-weight:800}.ptp-lib-card__rating small{font-size:9px}.ptp-lib-card__price{display:flex;align-items:end;gap:7px;min-height:30px;flex-wrap:wrap}.ptp-lib-card__price del{color:#a1a8ac;font-size:9px}.ptp-lib-card__price strong{color:#121d22;font-size:11px;font-weight:900}.ptp-lib-card__price.is-free strong{color:#2b9e82}
.ptp-lib-banners{padding:34px 0}.ptp-lib-banners__grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.ptp-lib-banner{position:relative;min-height:180px;border-radius:18px;padding:26px 28px;overflow:hidden;text-decoration:none;display:flex;justify-content:space-between;align-items:center;color:#fff}.ptp-lib-banner--one{background:linear-gradient(120deg,#ff8d61,#d9546c)}.ptp-lib-banner--two{background:linear-gradient(120deg,#0d9b92,#226a82)}.ptp-lib-banner div:first-child{position:relative;z-index:2;max-width:64%}.ptp-lib-banner span{font-size:10px;font-weight:800;opacity:.84}.ptp-lib-banner h2{margin:5px 0 8px;font-size:23px;line-height:1.55;font-weight:900}.ptp-lib-banner p{margin:0 0 14px;font-size:12px;line-height:1.8;opacity:.88}.ptp-lib-banner strong{font-size:11px}.ptp-lib-banner__shape{position:relative;width:150px;height:120px}.ptp-lib-banner__shape i{position:absolute;width:68px;height:96px;border-radius:5px;background:rgba(255,255,255,.9);box-shadow:0 10px 24px rgba(0,0,0,.12)}.ptp-lib-banner__shape i:nth-child(1){right:8px;top:15px;transform:rotate(12deg)}.ptp-lib-banner__shape i:nth-child(2){right:55px;top:6px;transform:rotate(-2deg);background:rgba(255,255,255,.7)}.ptp-lib-banner__shape i:nth-child(3){right:96px;top:22px;transform:rotate(-12deg);background:rgba(255,255,255,.48)}
.ptp-lib-topics{padding:38px 0;background:#fbfcfc}.ptp-lib-topics__grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}.ptp-lib-topics__grid a{min-height:112px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;border-radius:14px;background:#fff;border:1px solid #eef1f2;color:#263238;text-decoration:none}.ptp-lib-topics__grid span{display:grid;place-items:center;width:54px;height:54px;border-radius:50%;background:#e6f7f2;color:#238d75;font-size:13px;font-weight:900}.ptp-lib-topics__grid strong{font-size:12px}
.ptp-lib-experts{padding:42px 0}.ptp-lib-experts__row{display:flex;justify-content:space-between;gap:22px;overflow-x:auto;scrollbar-width:none;padding:4px 0 10px}.ptp-lib-experts__row::-webkit-scrollbar{display:none}.ptp-lib-expert{min-width:112px;text-align:center}.ptp-lib-expert span{display:grid;place-items:center;width:74px;height:74px;margin:0 auto 9px;border-radius:50%;background:linear-gradient(145deg,#e3f6f0,#b9e8da);color:#176b5c;font-size:16px;font-weight:900;border:5px solid #fff;box-shadow:0 0 0 1px #e5eded}.ptp-lib-expert strong{display:block;font-size:11px;line-height:1.6;color:#3b464a}.ptp-lib-all{padding-bottom:72px}.ptp-lib-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:28px 18px}.ptp-lib-grid .ptp-lib-card{width:auto;flex:none}
@media(max-width:1023px){.ptp-library{padding-top:76px}.ptp-library-switcher{top:68px}.ptp-library-hero__grid{grid-template-columns:1fr;min-height:auto;padding:34px}.ptp-library-hero__visual{height:220px}.ptp-library-hero__book.book-1{right:calc(50% - 180px)}.ptp-library-hero__book.book-2{right:calc(50% - 70px)}.ptp-library-hero__book.book-3{right:calc(50% + 40px)}.ptp-library-category-row{grid-template-columns:repeat(3,1fr)}.ptp-lib-topics__grid{grid-template-columns:repeat(3,1fr)}.ptp-lib-grid{grid-template-columns:repeat(4,1fr)}}
@media(max-width:700px){.ptp-library{padding-top:68px}.ptp-library-container{width:min(100% - 24px,620px)}.ptp-library-switcher{top:60px}.ptp-library-switcher .ptp-library-container{gap:22px;min-height:48px}.ptp-library-switcher a{font-size:12px;padding-block:15px 12px}.ptp-library-hero{padding-top:14px}.ptp-library-hero__grid{padding:26px 20px;border-radius:14px;gap:18px}.ptp-library-hero__copy h1{font-size:27px;line-height:1.45}.ptp-library-hero__copy p{font-size:13px;line-height:1.9}.ptp-library-hero__visual{height:160px}.ptp-library-hero__book{width:100px;height:150px;padding:11px}.ptp-library-hero__book strong{font-size:10px;line-height:1.55}.ptp-library-hero__book.book-1{right:calc(50% - 132px)}.ptp-library-hero__book.book-2{right:calc(50% - 50px)}.ptp-library-hero__book.book-3{right:calc(50% + 31px)}.ptp-lib-section-head{margin-bottom:16px}.ptp-lib-section-head h2{font-size:17px}.ptp-library-category-row{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;padding-bottom:6px}.ptp-library-category-row::-webkit-scrollbar{display:none}.ptp-lib-category{flex:0 0 112px;min-height:82px}.ptp-lib-section{padding:26px 0}.ptp-lib-card{flex-basis:146px}.ptp-lib-banners{padding:24px 0}.ptp-lib-banners__grid{grid-template-columns:1fr}.ptp-lib-banner{min-height:150px;padding:22px}.ptp-lib-banner h2{font-size:19px}.ptp-lib-banner__shape{width:110px}.ptp-lib-banner div:first-child{max-width:72%}.ptp-lib-topics__grid{display:flex;overflow-x:auto;gap:10px;scrollbar-width:none}.ptp-lib-topics__grid::-webkit-scrollbar{display:none}.ptp-lib-topics__grid a{flex:0 0 118px;min-height:104px}.ptp-lib-grid{grid-template-columns:repeat(2,1fr);gap:24px 14px}.ptp-lib-grid .ptp-lib-card{min-width:0}.ptp-lib-expert{min-width:98px}.ptp-lib-expert span{width:64px;height:64px}.ptp-lib-all{padding-bottom:48px}}
.ptp-lib-card__exam-meta{display:flex;align-items:center;gap:6px;margin:-1px 0 8px;flex-wrap:wrap}
.ptp-lib-card__exam-meta span{display:inline-flex;align-items:center;padding:3px 7px;border-radius:999px;background:#f1f7f5;color:#4b615b;font-size:8px;font-weight:800;white-space:nowrap}