/* Stage 11.13 — page-scoped knowledge center, RTL-first. */
.s1113{--k-text:#effaff;--k-muted:#acc7d6;--k-cyan:#54d9fd;--k-line:rgba(85,194,237,.19);--k-bg:#041724;color:var(--k-text);background:linear-gradient(180deg,#03121e 0%,#061d2b 53%,#041623 100%);overflow:hidden}
.s1113 *{box-sizing:border-box}.s1113 a{text-decoration:none}.s1113 .container{max-width:1360px;margin-inline:auto;padding-inline:clamp(18px,3vw,36px)}.s1113-kicker{display:inline-flex;align-items:center;gap:9px;color:var(--k-cyan);font-weight:700;font-size:.72rem;line-height:1.5;letter-spacing:.04em}.s1113-kicker::before{content:"";width:7px;height:7px;flex:none;background:#24c9fd;border-radius:50%;box-shadow:0 0 14px rgba(36,201,253,.8)}
.s1113-index-hero{position:relative;padding:clamp(45px,6vw,80px) 0 55px;isolation:isolate;background:radial-gradient(ellipse 75% 60% at 0 40%,rgba(21,119,184,.22),transparent),#041725}
.s1113-index-hero::after,.s1113-detail-hero::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.15;background:repeating-linear-gradient(90deg,transparent 0 95px,rgba(36,185,233,.2) 96px,transparent 97px)}
.s1113-hero-layout{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,.88fr) minmax(0,1.12fr);align-items:center;gap:clamp(24px,4vw,65px)}
.s1113-hero-copy{min-width:0}.s1113-hero-copy h1{margin:20px 0;font-weight:900;font-size:clamp(2.15rem,3.55vw,3.9rem);line-height:1.38;letter-spacing:-.03em;color:#fff;max-width:15em;overflow-wrap:normal}.s1113-hero-lead{max-width:560px;color:var(--k-muted);font-size:clamp(.92rem,1.15vw,1.12rem);line-height:2}.s1113-hero-lead p{margin:0}
.s1113-hero-actions,.s1113-cta-buttons{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:27px}.s1113-btn{border-radius:12px;padding:12px 19px;font-size:.86rem;font-weight:800;display:inline-flex;align-items:center;justify-content:center;gap:14px;min-height:45px;transition:transform .2s,background .2s}.s1113-btn:hover{transform:translateY(-2px)}.s1113-btn-primary{color:#fff;background:linear-gradient(110deg,#0077ec,#02a9e9);box-shadow:0 12px 25px rgba(0,108,226,.24)}.s1113-btn-outline{border:1px solid rgba(107,208,240,.35);color:#e5f8ff;background:rgba(6,36,55,.6)}.s1113-hero-facts{display:flex;gap:14px;margin-top:31px;flex-wrap:wrap}.s1113-hero-facts span{border-inline-start:1px solid var(--k-line);padding-inline:14px;color:#b7d2dc;font-size:.7rem}.s1113-hero-facts b{display:block;color:#fff;font-weight:800;font-size:1.35rem;line-height:1.5}
.s1113-hero-visual{position:relative;min-height:330px;aspect-ratio:1.5;border-radius:27px;overflow:hidden;border:1px solid rgba(77,201,243,.25);box-shadow:0 35px 90px rgba(0,0,0,.35)}.s1113-hero-visual img,.s1113-detail-cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.s1113-hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(2,14,26,.92),transparent 53%);pointer-events:none}.s1113-concept{position:absolute;top:14px;left:14px;z-index:3;background:rgba(0,18,33,.74);border:1px solid rgba(148,223,246,.27);padding:6px 10px;border-radius:30px;color:#d0eaf5;font-size:.65rem}.s1113-art-badge{position:absolute;z-index:2;right:22px;bottom:22px;display:grid;gap:5px}.s1113-art-badge span{color:#64daf9;font-size:.65rem;letter-spacing:.08em}.s1113-art-badge strong{font-size:clamp(1.1rem,2vw,1.6rem);color:#fff}
.s1113-features{border-block:1px solid var(--k-line);background:rgba(4,38,57,.62)}.s1113-features-grid{display:grid;grid-template-columns:repeat(3,1fr)}.s1113-features-grid>div{display:flex;gap:14px;align-items:center;justify-content:center;min-height:85px;border-inline-end:1px solid var(--k-line);font-size:.82rem}.s1113-features-grid>div:last-child{border:0}.s1113-features-grid b{color:var(--k-cyan);font-weight:900;font-size:1.22rem}
.s1113-library{padding-block:76px 85px}.s1113-section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:27px}.s1113-section-heading h2{margin:8px 0;font-size:clamp(1.65rem,2.7vw,2.35rem);line-height:1.4;color:#fff}.s1113-section-heading p{margin:0;color:var(--k-muted);font-size:.85rem}.s1113-total{background:rgba(42,142,203,.16);border:1px solid var(--k-line);padding:10px 16px;border-radius:999px;color:#d8f4fc;white-space:nowrap;font-size:.78rem}
.s1113-search-form{display:flex;align-items:center;flex-wrap:wrap;gap:10px;background:#09293c;border:1px solid rgba(65,183,235,.22);padding:12px;border-radius:17px}.s1113-search-form label{color:#c1d6e0;font-size:.74rem;font-weight:700;padding-inline:5px}.s1113-search-field{display:flex;flex:1 1 320px;align-items:center;gap:10px;min-width:170px;border:1px solid var(--k-line);background:#041c2d;border-radius:11px;padding-inline:13px}.s1113-search-field span{font-size:1.8rem;color:var(--k-cyan)}.s1113-search-field input{flex:1;width:100%;min-width:0;color:#fff;border:0;background:transparent;height:46px;font:inherit;font-size:.8rem;outline:0}.s1113-search-field:focus-within{border-color:#2cc1ff}.s1113-search-field input::placeholder{color:#7698ad}.s1113-search-form select{height:46px;min-width:150px;background:#041c2d;border:1px solid var(--k-line);border-radius:10px;padding:0 11px;color:#e8f6fc;font:inherit;font-size:.75rem}.s1113-search-form option{background:#081e2d;color:#fff}.s1113-search-form button{border:0;border-radius:10px;padding:0 19px;min-height:46px;background:linear-gradient(120deg,#0077f1,#009ee3);color:#fff;font-weight:800;font-size:.79rem;cursor:pointer}.s1113-clear{color:#9bc4d9;font-size:.77rem;padding-inline:8px}
.s1113-topic-rail{display:flex;flex-wrap:nowrap;gap:8px;overflow:auto;scrollbar-width:thin;padding:17px 0 12px;margin-bottom:9px}.s1113-topic-rail a{color:#bbd5e4;border:1px solid rgba(76,186,225,.19);background:#07263a;border-radius:11px;padding:9px 13px;font-size:.72rem;white-space:nowrap}.s1113-topic-rail a.is-active,.s1113-topic-rail a:hover{background:#0a70b7;border-color:#139be7;color:#fff}.s1113-results-line{font-size:.72rem;color:#9ebbc8;display:flex;justify-content:space-between;padding:7px 0 20px}
.s1113-articles-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.s1113-article-card{display:flex;flex-direction:column;min-width:0;background:linear-gradient(170deg,#0a2a3e,#072133);border:1px solid rgba(69,169,218,.23);border-radius:18px;overflow:hidden;transition:transform .25s,border-color .25s,box-shadow .25s}.s1113-article-card:hover{transform:translateY(-4px);border-color:rgba(63,209,248,.52);box-shadow:0 20px 42px rgba(0,0,0,.24)}.s1113-card-media{display:block;height:220px;position:relative;overflow:hidden}.s1113-card-media::after{content:"";position:absolute;inset:50% 0 0;background:linear-gradient(0deg,#041c2b,transparent);pointer-events:none}.s1113-card-media img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .4s}.s1113-article-card:hover .s1113-card-media img{transform:scale(1.05)}.s1113-card-arrow{position:absolute;z-index:4;bottom:13px;left:14px;width:37px;height:37px;background:#008aef;border-radius:50%;display:grid;place-items:center;color:#fff;font-size:1.25rem}.s1113-card-media .s1113-concept{top:12px;left:auto;right:12px}.s1113-card-body{padding:19px;display:flex;flex:1;flex-direction:column}.s1113-card-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;color:#96b6c8;font-size:.67rem}.s1113-card-meta span{color:#4bd0fc;font-weight:700}.s1113-card-body h3{margin:11px 0 8px;font-size:1.04rem;line-height:1.85;font-weight:800;min-height:3.7em}.s1113-card-body h3 a{color:#fff}.s1113-summary{color:#99b5c3;font-size:.77rem;line-height:2;min-height:4.5em;max-height:7.7em;overflow:hidden}.s1113-summary p{margin:0}.s1113-card-footer{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-top:auto;padding-top:15px;border-top:1px solid var(--k-line)}.s1113-card-footer a{color:#45c8ff;font-size:.77rem;font-weight:800}.s1113-card-footer small{color:#75c8ac;font-size:.66rem}.s1113-empty{grid-column:1/-1;border:1px dashed var(--k-line);padding:48px;text-align:center;border-radius:17px;color:#b5d2df}.s1113-empty strong{color:#fff}.s1113-empty a{color:#46d4ff}.s1113 .pagination{margin-block:34px}
.s1113-knowledge-cta{background:linear-gradient(115deg,#0d3c5c,#07263b 58%,#073c68);border-block:1px solid var(--k-line);padding:43px 0}.s1113-knowledge-cta-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}.s1113-knowledge-cta h2{margin:10px 0;font-size:clamp(1.35rem,2.7vw,2.2rem);color:#fff}.s1113-knowledge-cta p{margin:0;color:#c1d8e4;line-height:1.8;font-size:.82rem}
/* Article detail */
.s1113-read-progress{position:sticky;top:0;z-index:80;height:3px;background:rgba(0,50,79,.4)}.s1113-read-progress span{display:block;width:0;height:100%;background:linear-gradient(90deg,#02a5ff,#4bf0e7);transition:width .12s linear}
.s1113-detail-hero{padding:clamp(44px,5.5vw,75px) 0 62px;position:relative;background:radial-gradient(ellipse at 0% 20%,rgba(23,91,144,.18),transparent 60%),#061c2a;isolation:isolate}.s1113-detail-head-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.78fr);gap:clamp(25px,4vw,60px);align-items:center;position:relative;z-index:2}.s1113-crumb{display:flex;gap:8px;font-size:.74rem;margin-bottom:30px;color:#aacddd}.s1113-crumb a{color:#51d4ff}.s1113-detail-head-copy h1{font-size:clamp(1.85rem,3.65vw,3.35rem);line-height:1.53;margin:16px 0;color:#fff;overflow-wrap:break-word}.s1113-detail-intro{color:#b0ccda;font-size:.9rem;line-height:2}.s1113-detail-intro p{margin:0}.s1113-byline{margin-top:27px;display:flex;gap:10px;flex-wrap:wrap}.s1113-byline span{font-size:.76rem;color:#d7e8f1;border:1px solid var(--k-line);border-radius:10px;padding:8px 12px;background:rgba(10,51,74,.42)}.s1113-byline b{font-size:.63rem;color:#7bacc4;display:block;margin-bottom:4px}.s1113-detail-cover{border-radius:23px;min-height:290px;aspect-ratio:1.28;position:relative;margin:0;overflow:hidden;border:1px solid var(--k-line);box-shadow:0 32px 80px rgba(0,0,0,.26)}.s1113-detail-cover::before{content:"";position:absolute;inset:45% 0 0;z-index:1;background:linear-gradient(0deg,rgba(1,16,29,.82),transparent)}.s1113-detail-cover figcaption{position:absolute;z-index:2;bottom:18px;right:20px;font-size:1rem;font-weight:800;color:#fff}
.s1113-reading-section{display:grid;grid-template-columns:200px minmax(0,1fr) 230px;gap:24px;align-items:start;padding-top:65px;padding-bottom:85px}.s1113-toc-side,.s1113-article-aside{min-width:0}.s1113-sticky-box,.s1113-article-aside{position:sticky;top:82px}.s1113-sticky-box,.s1113-review-panel,.s1113-side-cta{border:1px solid var(--k-line);background:#09283b;border-radius:17px;padding:19px}.s1113-panel-title{color:#68d6fd;font-size:.72rem;font-weight:800}.s1113 .article-toc-card{background:transparent;border:0;padding:12px 0;color:#e8f5fa}.s1113 .article-toc-card h2{font-size:1rem;margin:0}.s1113 .article-toc-card nav a{color:#aac3d0;border-color:#215371;background:transparent}.s1113 .article-toc-card nav a.is-active,.s1113 .article-toc-card nav a:hover{background:#0c4562;color:#fff;border-color:#45c7ff}.s1113-reader-tools{border-top:1px solid var(--k-line);padding-top:16px;font-size:.72rem;color:#abc8d8}.s1113-reader-tools>div{display:flex;gap:6px;margin-top:8px}.s1113-reader-tools button,.s1113-share{border:1px solid #225778;background:#0a3650;border-radius:8px;color:#d3edf7;padding:7px 11px;cursor:pointer}.s1113-share{margin-top:13px;width:100%;font-size:.77rem}
.s1113-content-column{min-width:0}.s1113-reading-intro{display:flex;gap:13px;border:1px solid rgba(61,171,215,.22);background:#0b3149;border-radius:14px;padding:20px;margin-bottom:24px}.s1113-reading-intro>span{color:#65d5f8;font-size:1.2rem}.s1113-reading-intro b{font-size:.9rem}.s1113-reading-intro p{font-size:.75rem;line-height:1.85;color:#acc9d7;margin:5px 0 0}.s1113-article-content{--s1113-reading-size:1.04rem;background:#eff6f8;color:#1c3444!important;border-radius:18px;padding:clamp(22px,3.5vw,47px);font-size:var(--s1113-reading-size)!important;line-height:2.15!important;box-shadow:0 15px 55px rgba(0,0,0,.13)}.s1113-article-content h2,.s1113-article-content h3{color:#09334a!important}.s1113-article-content p,.s1113-article-content li{color:#294252}.s1113-article-content a{color:#0065bb;text-decoration:underline;text-underline-offset:3px}.s1113-article-content img{max-width:100%;height:auto}.s1113-review-panel strong{display:block;color:#daf5ff;font-size:.86rem;margin:17px 0 8px}.s1113-review-panel small{display:block;font-size:.7rem;color:#9dbfce;margin:8px 0}.s1113-review-panel p{color:#bad1dd;font-size:.75rem;line-height:1.9}.s1113-side-cta{margin-top:13px;background:linear-gradient(135deg,#08598c,#08283e)}.s1113-side-cta>span{font-size:.66rem;color:#67dafe}.s1113-side-cta h3{font-size:1.1rem;line-height:1.8;color:#fff}.s1113-side-cta p{font-size:.76rem;line-height:1.8;color:#c1d8e4}.s1113-side-cta a{color:#fff;display:block;background:#067ded;text-align:center;border-radius:9px;padding:10px;font-size:.82rem;font-weight:800}
.s1113-related{padding-bottom:78px}.s1113-related .s1113-section-heading>a{font-size:.78rem;color:#62d9fa}.s1113-related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.s1113-related-card{overflow:hidden;border:1px solid var(--k-line);background:#08283a;border-radius:15px;display:block;transition:transform .25s}.s1113-related-card:hover{transform:translateY(-3px)}.s1113-related-image{display:block;height:165px;position:relative}.s1113-related-image img{width:100%;height:100%;object-fit:cover}.s1113-related-image small{position:absolute;right:10px;top:10px;color:#fff;font-size:.6rem;background:rgba(0,0,0,.66);padding:4px 7px;border-radius:20px}.s1113-related-text{padding:16px;display:flex;flex-direction:column;gap:7px}.s1113-related-text small{color:#6bd6f6;font-size:.67rem}.s1113-related-text strong{color:#fff;font-size:.9rem;line-height:1.8}.s1113-related-text em{font-size:.7rem;color:#7acff1;font-style:normal}
@media(max-width:1120px){.s1113-reading-section{grid-template-columns:190px minmax(0,1fr)}.s1113-article-aside{grid-column:2;position:static;display:grid;grid-template-columns:1fr 1fr;gap:12px}.s1113-side-cta{margin:0}.s1113-articles-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.s1113-hero-layout{gap:20px}}
@media(max-width:760px){.s1113-hero-layout,.s1113-detail-head-grid{grid-template-columns:1fr}.s1113-index-hero{padding:40px 0 37px}.s1113-hero-copy h1{font-size:clamp(2rem,7.3vw,2.9rem)}.s1113-hero-visual{min-height:240px;aspect-ratio:1.65}.s1113-hero-facts{gap:7px}.s1113-features-grid{grid-template-columns:1fr}.s1113-features-grid>div{justify-content:flex-start;min-height:50px;border:0;border-bottom:1px solid var(--k-line)}.s1113-library{padding-block:45px}.s1113-articles-grid,.s1113-related-grid{grid-template-columns:1fr}.s1113-card-media{height:235px}.s1113-search-form{display:grid;grid-template-columns:1fr}.s1113-search-field{flex-basis:auto}.s1113-search-form button{width:100%}.s1113-section-heading{align-items:start}.s1113-knowledge-cta-inner{flex-direction:column;align-items:flex-start}.s1113-detail-hero{padding:35px 0 45px}.s1113-detail-head-copy h1{font-size:clamp(1.7rem,6.6vw,2.45rem)}.s1113-detail-cover{aspect-ratio:1.55}.s1113-reading-section{display:flex;flex-direction:column;gap:15px;padding-top:35px;padding-bottom:45px}.s1113-reading-section>*{width:100%}.s1113-sticky-box{position:static}.s1113-article-aside{display:grid;grid-template-columns:1fr 1fr}.s1113-related{padding-bottom:40px}}
@media(max-width:480px){.s1113 .container{padding-inline:16px}.s1113-article-aside{grid-template-columns:1fr}.s1113-hero-actions,.s1113-cta-buttons{width:100%}.s1113-btn{flex:1}.s1113-section-heading{flex-wrap:wrap}.s1113-hero-facts span{padding-inline:8px}.s1113-card-media{height:195px}.s1113-byline{gap:5px}.s1113-byline span{flex:1 1 44%}.s1113-article-content{padding:19px}}
@media(prefers-reduced-motion:reduce){.s1113 *{transition:none!important;scroll-behavior:auto!important}}