/* Start custom CSS for html, class: .elementor-element-bc92679 */.zhpl-page{--ink:#17242d;--muted:#5d6a73;--line:#d8e1e6;--soft:#f2f5f7;--red:#b42318;--blue:#0d627b;--gold:#b88913;--green:#19704a;--shadow:0 16px 44px rgba(23,36,45,.08);color:var(--ink);font-family:inherit;font-size:17px;line-height:1.78}.zhpl-page,.zhpl-page *{box-sizing:border-box}.zhpl-page h1,.zhpl-page h2,.zhpl-page h3,.zhpl-page p{margin-top:0}.zhpl-page a{color:var(--blue);text-underline-offset:3px}.zhpl-container{width:min(1180px,calc(100% - 32px));margin:auto}.zhpl-hero{padding:74px 0 64px;background:radial-gradient(circle at 92% 5%,rgba(180,35,24,.17),transparent 31%),radial-gradient(circle at 4% 98%,rgba(184,137,19,.17),transparent 34%),linear-gradient(145deg,#fffdf9,#edf3f5);border-bottom:1px solid var(--line)}.zhpl-hero__grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(320px,.65fr);gap:44px;align-items:center}.zhpl-eyebrow,.zhpl-heading>div>p,.zhpl-cta>div>p{margin-bottom:9px;color:var(--red);font-size:13px;font-weight:850;text-transform:uppercase}.zhpl-hero h1{max-width:940px;margin-bottom:23px;font-size:clamp(38px,5.2vw,63px);line-height:1.2}.zhpl-lead{max-width:890px;margin-bottom:29px;color:var(--muted);font-size:clamp(18px,2vw,22px)}.zhpl-actions{display:flex;flex-wrap:wrap;gap:12px}.zhpl-btn{display:inline-flex;min-height:50px;align-items:center;justify-content:center;padding:13px 21px;border:2px solid transparent;border-radius:14px;font-weight:850;text-align:center;text-decoration:none!important}.zhpl-btn--primary{background:var(--red);color:#fff!important}.zhpl-btn--secondary{border-color:var(--ink);background:#fff;color:var(--ink)!important}.zhpl-btn--max{background:#111827;color:#fff!important}.zhpl-btn--telegram{background:#1676a6;color:#fff!important}.zhpl-hero__card{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;padding:24px;background:rgba(255,255,255,.95);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)}.zhpl-hero__card article{padding:18px;background:#f8fafb;border:1px solid var(--line);border-bottom:6px solid var(--red);border-radius:14px}.zhpl-hero__card span,.zhpl-hero__card strong,.zhpl-hero__card small{display:block}.zhpl-hero__card span{font-size:22px;font-weight:900;color:#08495c}.zhpl-hero__card small{color:var(--muted)}.zhpl-alert{display:grid;grid-template-columns:58px 1fr;gap:20px;margin-top:30px;padding:24px;background:#f4f8fa;border:1px solid var(--line);border-radius:18px}.zhpl-alert>b{display:flex;width:50px;height:50px;align-items:center;justify-content:center;background:var(--blue);border-radius:14px;color:#fff}.zhpl-alert h2{margin-bottom:7px;font-size:21px}.zhpl-alert p{margin:0;color:var(--muted)}.zhpl-alert.danger{background:#fff3f1;border-color:#edc8c3}.zhpl-alert.danger>b{background:var(--red)}.zhpl-nav{display:flex;flex-wrap:wrap;gap:8px;margin-top:30px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:16px}.zhpl-nav a{padding:8px 12px;color:var(--ink);font-size:14px;font-weight:800;text-decoration:none}.zhpl-section{padding-top:78px}.zhpl-heading{display:grid;grid-template-columns:62px 1fr;gap:20px;margin-bottom:31px}.zhpl-heading>span{display:flex;width:54px;height:54px;align-items:center;justify-content:center;background:var(--ink);border-radius:16px;color:#fff;font-weight:900}.zhpl-heading h2{margin-bottom:0;font-size:clamp(29px,4vw,43px);line-height:1.35}.zhpl-answer{padding:29px 31px;background:linear-gradient(135deg,var(--ink),#29434f);border-radius:20px;color:#fff;box-shadow:var(--shadow)}.zhpl-answer p{margin:0;font-size:20px}.zhpl-grid{display:grid;gap:15px;margin-top:20px}.zhpl-grid.two{grid-template-columns:repeat(2,1fr)}.zhpl-grid.three{grid-template-columns:repeat(3,1fr)}.zhpl-grid.four{grid-template-columns:repeat(4,1fr)}.zhpl-grid article{padding:21px;background:#fff;border:1px solid var(--line);border-radius:16px}.zhpl-grid article>b{display:inline-flex;min-height:38px;align-items:center;padding:6px 9px;background:var(--ink);border-radius:9px;color:#fff}.zhpl-grid h3{margin:9px 0 7px;font-size:18px}.zhpl-grid p{margin:0;color:var(--muted);font-size:14px}.zhpl-abbreviations,.zhpl-device-codes{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.zhpl-abbreviations article,.zhpl-device-codes article{padding:22px;background:#fff;border:1px solid var(--line);border-top:6px solid var(--blue);border-radius:16px}.zhpl-abbreviations article>div,.zhpl-device-codes article>b{display:inline-flex;min-width:58px;min-height:42px;align-items:center;justify-content:center;padding:6px 10px;background:var(--ink);border-radius:9px;color:#fff;font-weight:900}.zhpl-abbreviations h3,.zhpl-device-codes h3{margin:11px 0 5px}.zhpl-abbreviations p,.zhpl-device-codes p{margin-bottom:7px;color:var(--red);font-size:13px;font-weight:850}.zhpl-abbreviations span,.zhpl-device-codes span{color:var(--muted);font-size:14px}.zhpl-note{margin-top:18px;padding:20px 23px;background:#f5f8fa;border-left:5px solid var(--blue);border-radius:12px;color:var(--muted)}.zhpl-warning{margin-top:20px;padding:24px;background:#fff3f1;border:1px solid #eac7c2;border-left:6px solid var(--red);border-radius:15px}.zhpl-warning p{margin:0;color:var(--muted)}.zhpl-conductors{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.zhpl-conductors article{padding:22px;background:#fff;border:1px solid var(--line);border-radius:16px}.zhpl-conductors article>div{display:flex;min-height:80px;align-items:center;justify-content:center;margin-bottom:12px;background:#5b4431;border-radius:12px;color:#fff;font-size:21px;font-weight:900;text-align:center}.zhpl-conductors .n>div{background:#2d77d0}.zhpl-conductors .pe>div,.zhpl-conductors .pen>div{background:repeating-linear-gradient(90deg,#4c9a32 0 22px,#d9bd1d 22px 44px)}.zhpl-conductors p{margin-bottom:7px;color:var(--red);font-size:13px;font-weight:850}.zhpl-conductors span{color:var(--muted);font-size:14px}.zhpl-colours{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-top:20px}.zhpl-colours article{padding:21px;background:#fff;border:1px solid var(--line);border-radius:16px}.zhpl-colours i{display:block;height:44px;margin-bottom:10px;border-radius:9px}.zhpl-colours .blue{background:#2d77d0}.zhpl-colours .gy{background:repeating-linear-gradient(90deg,#4c9a32 0 22px,#d9bd1d 22px 44px)}.zhpl-colours .penmark{background:linear-gradient(90deg,#2d77d0 0 20%,#4c9a32 20% 60%,#d9bd1d 60%)}.zhpl-colours .phase{background:linear-gradient(90deg,#5b4431,#111,#8d8d8d)}.zhpl-colours p{margin:0;color:var(--muted)}.zhpl-stop{display:grid;grid-template-columns:86px 1fr;gap:20px;align-items:center;margin-top:20px;padding:24px;background:var(--ink);border-radius:18px;color:#fff}.zhpl-stop>span{display:flex;width:76px;height:76px;align-items:center;justify-content:center;background:var(--red);border:5px solid #fff;border-radius:50%;font-weight:900}.zhpl-stop p{margin:0;color:rgba(255,255,255,.76)}.zhpl-hierarchy{display:grid;grid-template-columns:repeat(9,auto);gap:10px;align-items:center;overflow-x:auto;padding:22px;background:var(--ink);border-radius:18px;color:#fff}.zhpl-hierarchy article{min-width:180px;padding:17px;background:rgba(255,255,255,.09);border-radius:13px}.zhpl-hierarchy b{display:inline-flex;padding:6px 9px;background:var(--red);border-radius:8px}.zhpl-hierarchy p{margin:0;color:rgba(255,255,255,.73);font-size:13px}.zhpl-panel-layout{display:grid;grid-template-columns:minmax(360px,.8fr) minmax(0,1.2fr);gap:22px}.zhpl-panel{min-height:500px;padding:24px;background:linear-gradient(145deg,#fff,#e0e5e8);border:2px solid #9ca8ae;border-radius:18px}.zhpl-panel .title{margin-bottom:25px;padding:9px;background:var(--ink);border-radius:9px;color:#fff;text-align:center;font-weight:900}.zhpl-panel .rail{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:22px;padding:13px;background:#cad2d6;border-radius:9px}.zhpl-panel i{display:flex;min-height:93px;flex-direction:column;align-items:center;justify-content:center;background:#fff;border:1px solid #929da3;border-bottom:7px solid var(--blue);border-radius:8px;font-style:normal;text-align:center}.zhpl-panel .spd{border-bottom-color:#7355a3}.zhpl-panel .rcbo{border-bottom-color:var(--red)}.zhpl-panel .spare{border:2px dashed #879198}.zhpl-panel small{color:var(--muted)}.zhpl-panel .bars{display:grid;gap:12px;margin-top:30px}.zhpl-panel em{display:flex;height:42px;align-items:center;justify-content:center;background:#2d77d0;border-radius:8px;color:#fff;font-style:normal;font-weight:900}.zhpl-panel em:last-child{background:repeating-linear-gradient(90deg,#4c9a32 0 22px,#d9bd1d 22px 44px)}.zhpl-label{padding:24px;background:var(--ink);border-radius:17px;text-align:center}.zhpl-label code{color:#fff;font-size:clamp(17px,2.3vw,26px);overflow-wrap:anywhere}.zhpl-circuits,.zhpl-phrases{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}.zhpl-phrases{grid-template-columns:repeat(2,1fr)}.zhpl-circuits article,.zhpl-phrases article{overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:14px}.zhpl-circuits p,.zhpl-circuits strong,.zhpl-phrases p,.zhpl-phrases strong{display:block;margin:0;padding:13px 16px}.zhpl-circuits p,.zhpl-phrases p{background:var(--soft);font-weight:850}.zhpl-circuits strong,.zhpl-phrases strong{color:#08495c}.mistakes article{background:#fff7f3;border-color:#ecd2c8}.zhpl-standards{display:grid;gap:13px}.zhpl-standards article{display:grid;grid-template-columns:130px 1fr;gap:19px;padding:21px;background:#fff;border:1px solid var(--line);border-radius:15px}.zhpl-standards article>b{display:flex;min-height:49px;align-items:center;justify-content:center;padding:8px;background:var(--soft);border-radius:11px;color:#08495c}.zhpl-standards p{margin:0;color:var(--muted)}.zhpl-faq{display:grid;gap:11px}.zhpl-faq details{overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:15px}.zhpl-faq summary{position:relative;padding:18px 54px 18px 20px;cursor:pointer;font-weight:850;list-style:none}.zhpl-faq summary:after{position:absolute;right:20px;content:"+";font-size:24px;color:var(--blue)}.zhpl-faq details[open] summary:after{content:"−"}.zhpl-faq details>div{padding:0 20px 18px;color:var(--muted)}.zhpl-cta{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(270px,.75fr);gap:28px;margin-top:78px;padding:36px;background:linear-gradient(135deg,#17242d,#294550);border-radius:24px;color:#fff}.zhpl-cta h2{font-size:clamp(28px,4vw,41px)}.zhpl-cta>div>p:not(:first-child){color:rgba(255,255,255,.79)}.zhpl-cta aside{display:grid;align-content:center;padding:23px;background:rgba(255,255,255,.09);border-radius:17px}.zhpl-cta aside div{padding:11px 0;border-bottom:1px solid rgba(255,255,255,.13)}.zhpl-cta aside strong,.zhpl-cta aside span{display:block}.zhpl-cta aside span{color:rgba(255,255,255,.73)}.zhpl-footer-links{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 22px;padding:28px 0 58px}.zhpl-footer-links a{font-weight:850}@media(max-width:1080px){.zhpl-grid.four,.zhpl-conductors,.zhpl-colours,.zhpl-circuits{grid-template-columns:repeat(2,1fr)}.zhpl-abbreviations,.zhpl-device-codes,.zhpl-grid.three{grid-template-columns:repeat(2,1fr)}}@media(max-width:950px){.zhpl-hero__grid,.zhpl-panel-layout,.zhpl-cta{grid-template-columns:1fr}}@media(max-width:760px){.zhpl-page{font-size:16px}.zhpl-container{width:min(100% - 22px,1180px)}.zhpl-hero{padding:46px 0 42px}.zhpl-hero h1{font-size:34px}.zhpl-actions{flex-direction:column}.zhpl-btn{width:100%}.zhpl-alert,.zhpl-heading{grid-template-columns:1fr}.zhpl-nav{flex-direction:column}.zhpl-section{padding-top:58px}.zhpl-heading h2{font-size:30px}.zhpl-grid.two,.zhpl-grid.three,.zhpl-grid.four,.zhpl-abbreviations,.zhpl-device-codes,.zhpl-conductors,.zhpl-colours,.zhpl-circuits,.zhpl-phrases{grid-template-columns:1fr}.zhpl-stop,.zhpl-standards article{grid-template-columns:1fr}.zhpl-panel .rail{grid-template-columns:repeat(2,1fr)}.zhpl-cta{padding:25px}}@media(max-width:430px){.zhpl-hero__card{grid-template-columns:1fr}.zhpl-hero h1{font-size:31px}}/* End custom CSS */