{"id":65838,"date":"2026-04-17T20:22:53","date_gmt":"2026-04-17T17:22:53","guid":{"rendered":"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/zabezhnye-stupeni-90\/"},"modified":"2026-04-21T21:23:16","modified_gmt":"2026-04-21T18:23:16","slug":"zabezhnye-stupeni-90","status":"publish","type":"page","link":"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/uk\/zabezhnye-stupeni-90\/","title":{"rendered":"\u0421\u0445\u043e\u0434\u0438 \u0456\u0437 \u0437\u0430\u0431\u0456\u0436\u043d\u0438\u043c\u0438 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0430\u043c\u0438 90\u00b0 \u2014 \u043d\u0430 \u0437\u0430\u043c\u043e\u0432\u043b\u0435\u043d\u043d\u044f \u0432 \u041a\u0438\u0454\u0432\u0456"},"content":{"rendered":"<div class=\"stair-layout\">\n  <main class=\"content\">\n\n    <section class=\"hero\">\n      <p class=\"subtitle\">\n        \u0413-\u043f\u043e\u0434\u0456\u0431\u043d\u0456 \u0441\u0445\u043e\u0434\u0438 \u0437 \u043a\u043b\u0438\u043d\u043e\u043f\u043e\u0434\u0456\u0431\u043d\u0438\u043c\u0438 (\u0437\u0430\u0431\u0456\u0436\u043d\u0438\u043c\u0438) \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0430\u043c\u0438 \u0437\u0430\u043c\u0456\u0441\u0442\u044c \u043f\u0440\u043e\u043c\u0456\u0436\u043d\u043e\u0457\n        \u043f\u043b\u043e\u0449\u0430\u0434\u043a\u0438. \u0415\u043a\u043e\u043d\u043e\u043c\u043b\u044f\u0442\u044c \u0434\u043e 30 % \u0434\u043e\u0432\u0436\u0438\u043d\u0438 \u043f\u0440\u0438\u043c\u0456\u0449\u0435\u043d\u043d\u044f \u043f\u043e\u0440\u0456\u0432\u043d\u044f\u043d\u043e \u0437 \u0432\u0430\u0440\u0456\u0430\u043d\u0442\u043e\u043c\n        \u00ab\u0437 \u043f\u043b\u043e\u0449\u0430\u0434\u043a\u043e\u044e\u00bb. \u0415\u043b\u0435\u0433\u0430\u043d\u0442\u043d\u0435 \u0440\u0456\u0448\u0435\u043d\u043d\u044f \u0434\u043b\u044f \u0441\u0443\u0447\u0430\u0441\u043d\u0438\u0445 \u0456\u043d\u0442\u0435\u0440'\u0454\u0440\u0456\u0432.\n      <\/p>\n      <div class=\"hero-features\">\n        <div class=\"hero-feature\"><strong>\u0432\u0456\u0434 48 000 \u20b4<\/strong><span>\u0421\u043e\u0441\u043d\u0430 \u043f\u0456\u0434 \u043a\u043b\u044e\u0447<\/span><\/div>\n        <div class=\"hero-feature\"><strong>\u221230 %<\/strong><span>\u0414\u043e\u0432\u0436\u0438\u043d\u0430 vs \u043f\u043b\u043e\u0449\u0430\u0434\u043a\u0430<\/span><\/div>\n        <div class=\"hero-feature\"><strong>25\u201332 \u0434\u043d\u0456<\/strong><span>\u0422\u0435\u0440\u043c\u0456\u043d \u0432\u0438\u0440\u043e\u0431\u043d\u0438\u0446\u0442\u0432\u0430<\/span><\/div>\n        <div class=\"hero-feature\"><strong>3\u20135<\/strong><span>\u0417\u0430\u0431\u0456\u0436\u043d\u0438\u0445 \u0441\u0445\u043e\u0434\u0438\u043d\u043e\u043a<\/span><\/div>\n      <\/div>\n    <\/section>\n\n\n\n                <section class=\"pro-calc-banner pro-calc-banner--3d\">\n              <div class=\"pro-calc-banner-grid\">\n                <div class=\"pro-calc-banner-visual\" aria-hidden=\"true\">\n                  <svg class=\"pro-3d-stairs\" viewBox=\"0 0 180 180\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                    <g stroke=\"rgba(255,255,255,0.25)\" stroke-width=\"1\" stroke-linejoin=\"round\">\n                      <polygon points=\"10,130 70,160 130,130 70,100\" fill=\"#c65d10\"\/>\n                      <polygon points=\"10,130 10,150 70,180 70,160\" fill=\"#8d3f05\"\/>\n                      <polygon points=\"130,130 130,150 70,180 70,160\" fill=\"#a64a07\"\/>\n                      <polygon points=\"40,100 100,130 160,100 100,70\" fill=\"#e67e22\"\/>\n                      <polygon points=\"40,100 40,120 100,150 100,130\" fill=\"#a8570d\"\/>\n                      <polygon points=\"160,100 160,120 100,150 100,130\" fill=\"#c66510\"\/>\n                      <polygon points=\"70,70 130,100 170,80 110,50\" fill=\"#f39c41\"\/>\n                      <polygon points=\"70,70 70,90 130,120 130,100\" fill=\"#c66510\"\/>\n                      <polygon points=\"170,80 170,100 130,120 130,100\" fill=\"#d46d16\"\/>\n                    <\/g>\n                  <\/svg>\n                  <span class=\"pro-calc-banner-badge\">3D<\/span>\n                <\/div>\n                <div class=\"pro-calc-banner-content\">\n                  <h2 class=\"pro-calc-banner-title\">3D-\u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440 \u0441\u0445\u043e\u0434\u0456\u0432<\/h2>\n                  <p class=\"pro-calc-banner-subtitle\">\u041e\u0433\u043b\u044f\u043d\u044c\u0442\u0435 \u0441\u0432\u043e\u044e \u043c\u0430\u0439\u0431\u0443\u0442\u043d\u044e \u0441\u0445\u043e\u0434\u0443 \u0437 \u0443\u0441\u0456\u0445 \u0431\u043e\u043a\u0456\u0432 \u0449\u0435 \u0434\u043e \u0437\u0430\u043c\u043e\u0432\u043b\u0435\u043d\u043d\u044f. \u0406\u043d\u0442\u0435\u0440\u0430\u043a\u0442\u0438\u0432\u043d\u0430 3D-\u043c\u043e\u0434\u0435\u043b\u044c, \u0430\u0432\u0442\u043e\u043f\u0456\u0434\u0431\u0456\u0440 \u043c\u0430\u0442\u0435\u0440\u0456\u0430\u043b\u0456\u0432, \u043f\u0435\u0440\u0435\u0432\u0456\u0440\u043a\u0430 \u0437\u0430 \u0414\u0411\u041d.<\/p>\n                  <ul class=\"pro-calc-banner-features\">\n                                          <li>\n                        <span class=\"pro-calc-feat-icon\" aria-hidden=\"true\">\ud83d\udd04<\/span>\n                        <span class=\"pro-calc-feat-text\">\n                          <strong>3D-\u043c\u043e\u0434\u0435\u043b\u044c \u0437 \u043e\u0431\u0435\u0440\u0442\u0430\u043d\u043d\u044f\u043c<\/strong>\n                          <span>\u041e\u0433\u043b\u044f\u0434 \u043f\u0456\u0434 \u0431\u0443\u0434\u044c-\u044f\u043a\u0438\u043c \u043a\u0443\u0442\u043e\u043c, \u0432\u0438\u0434 \u0437\u0431\u043e\u043a\u0443, \u0437\u0432\u0435\u0440\u0445\u0443, \u0434\u0435\u0442\u0430\u043b\u044c \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438<\/span>\n                        <\/span>\n                      <\/li>\n                                          <li>\n                        <span class=\"pro-calc-feat-icon\" aria-hidden=\"true\">\ud83e\udeb5<\/span>\n                        <span class=\"pro-calc-feat-text\">\n                          <strong>14 \u0442\u0438\u043f\u0456\u0432 \u0441\u0445\u043e\u0434\u0456\u0432<\/strong>\n                          <span>\u0414\u0435\u0440\u0435\u0432\u2019\u044f\u043d\u0456, \u043c\u0435\u0442\u0430\u043b\u0435\u0432\u0456, \u0431\u0435\u0442\u043e\u043d\u043d\u0456 \u2014 \u043e\u0431\u0440\u0430\u0442\u0438 \u043d\u0430\u0439\u043a\u0440\u0430\u0449\u0438\u0439<\/span>\n                        <\/span>\n                      <\/li>\n                                          <li>\n                        <span class=\"pro-calc-feat-icon\" aria-hidden=\"true\">\ud83e\uddee<\/span>\n                        <span class=\"pro-calc-feat-text\">\n                          <strong>\u0410\u0432\u0442\u043e\u043a\u043e\u0448\u0442\u043e\u0440\u0438\u0441 \u0437 \u0446\u0456\u043d\u0430\u043c\u0438<\/strong>\n                          <span>\u041a\u0443\u0431\u0430\u0442\u0443\u0440\u0430 \u043c\u0430\u0442\u0435\u0440\u0456\u0430\u043b\u0443, \u043a\u0456\u043b\u044c\u043a\u0456\u0441\u0442\u044c \u0435\u043b\u0435\u043c\u0435\u043d\u0442\u0456\u0432, \u0432\u0430\u0440\u0442\u0456\u0441\u0442\u044c<\/span>\n                        <\/span>\n                      <\/li>\n                                          <li>\n                        <span class=\"pro-calc-feat-icon\" aria-hidden=\"true\">\u2705<\/span>\n                        <span class=\"pro-calc-feat-text\">\n                          <strong>\u041f\u0435\u0440\u0435\u0432\u0456\u0440\u043a\u0430 \u0437\u0430 \u0414\u0411\u041d<\/strong>\n                          <span>\u0410\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u043d\u0438\u0439 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044c \u0432\u0438\u0441\u043e\u0442\u0438\/\u0433\u043b\u0438\u0431\u0438\u043d\u0438\/\u043a\u0443\u0442\u0430 \u0437\u0430 \u043d\u043e\u0440\u043c\u0430\u043c\u0438<\/span>\n                        <\/span>\n                      <\/li>\n                                          <li>\n                        <span class=\"pro-calc-feat-icon\" aria-hidden=\"true\">\ud83d\udcd1<\/span>\n                        <span class=\"pro-calc-feat-text\">\n                          <strong>\u0415\u043a\u0441\u043f\u043e\u0440\u0442 \u0443 PDF<\/strong>\n                          <span>\u0413\u043e\u0442\u043e\u0432\u0435 \u043a\u0440\u0435\u0441\u043b\u0435\u043d\u043d\u044f \u0434\u043b\u044f \u043c\u0430\u0439\u0441\u0442\u0440\u0430 \u2014 \u0440\u043e\u0437\u0434\u0440\u0443\u043a\u0443\u0432\u0430\u0442\u0438 \u0430\u0431\u043e \u0437\u0431\u0435\u0440\u0435\u0433\u0442\u0438<\/span>\n                        <\/span>\n                      <\/li>\n                                          <li>\n                        <span class=\"pro-calc-feat-icon\" aria-hidden=\"true\">\ud83c\udfa8<\/span>\n                        <span class=\"pro-calc-feat-text\">\n                          <strong>\u041f\u043e\u0440\u043e\u0434\u0438 \u0434\u0435\u0440\u0435\u0432\u0430<\/strong>\n                          <span>\u0414\u0443\u0431, \u044f\u0441\u0435\u043d, \u0431\u0443\u043a, \u0441\u043e\u0441\u043d\u0430 \u2014 \u0437 \u0442\u043e\u0447\u043d\u043e\u044e \u0446\u0456\u043d\u043e\u044e \u0437\u0430 \u043a\u043e\u0436\u043d\u0443<\/span>\n                        <\/span>\n                      <\/li>\n                                      <\/ul>\n                  <div class=\"pro-calc-banner-cta\">\n                    <a href=\"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/uk\/kalkulyator-lestnicz-na-zakaz\/?view=iso\" class=\"pro-calc-banner-button\">\n                      \u0412\u0456\u0434\u043a\u0440\u0438\u0442\u0438 3D-\u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440                      <span aria-hidden=\"true\">\u2192<\/span>\n                    <\/a>\n                    <p class=\"pro-calc-banner-note\">\u041d\u0438\u0436\u0447\u0435 \u2014 \u0448\u0432\u0438\u0434\u043a\u0438\u0439 \u043f\u043e\u043f\u0435\u0440\u0435\u0434\u043d\u0456\u0439 \u0440\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043e\u043a<\/p>\n                  <\/div>\n                <\/div>\n              <\/div>\n            <\/section>\n            \n    <section class=\"calc-wrapper\" id=\"kalkulyator\">\n      <div class=\"calc-header\">\n        <h2>\u041a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440 \u0441\u0445\u043e\u0434\u0456\u0432 \u0456\u0437 \u0437\u0430\u0431\u0456\u0436\u043d\u0438\u043c\u0438 90\u00b0<\/h2>\n        <p>\u0420\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043e\u043a \u043f\u0440\u044f\u043c\u0438\u0445 \u0456 \u043a\u043b\u0438\u043d\u043e\u043f\u043e\u0434\u0456\u0431\u043d\u0438\u0445 \u0441\u0445\u043e\u0434\u0438\u043d\u043e\u043a \u0437 \u043f\u0435\u0440\u0435\u0432\u0456\u0440\u043a\u043e\u044e \u0441\u0435\u0440\u0435\u0434\u043d\u044c\u043e\u0457 \u043b\u0456\u043d\u0456\u0457<\/p>\n      <\/div>\n      <div class=\"calc-body\">\n        <div class=\"calc-inputs\">\n\n          <div class=\"calc-section-title\">\u0420\u043e\u0437\u043c\u0456\u0440\u0438 \u043f\u0440\u043e\u0440\u0456\u0437\u0443<\/div>\n          <div class=\"input-group\">\n            <label>\u0417\u0430\u0433\u0430\u043b\u044c\u043d\u0430 \u0432\u0438\u0441\u043e\u0442\u0430<\/label>\n            <div style=\"display:flex; gap:8px;\">\n              <input type=\"number\" id=\"height\" value=\"3000\" min=\"2000\" max=\"5000\" step=\"10\">\n              <select id=\"height-unit\" style=\"width:70px;\">\n                <option value=\"1\">\u043c\u043c<\/option><option value=\"10\">\u0441\u043c<\/option><option value=\"1000\">\u043c<\/option>\n              <\/select>\n            <\/div>\n          <\/div>\n          <div class=\"input-group\">\n            <label>\u0414\u043e\u0432\u0436\u0438\u043d\u0430 \u043d\u0438\u0436\u043d\u044c\u043e\u0433\u043e \u043c\u0430\u0440\u0448\u0443<\/label>\n            <input type=\"number\" id=\"length1\" value=\"1800\" min=\"600\" max=\"5000\" step=\"10\">\n          <\/div>\n          <div class=\"input-group\">\n            <label>\u0414\u043e\u0432\u0436\u0438\u043d\u0430 \u0432\u0435\u0440\u0445\u043d\u044c\u043e\u0433\u043e \u043c\u0430\u0440\u0448\u0443<\/label>\n            <input type=\"number\" id=\"length2\" value=\"1500\" min=\"600\" max=\"5000\" step=\"10\">\n          <\/div>\n          <div class=\"input-group\">\n            <label>\u0428\u0438\u0440\u0438\u043d\u0430 \u0441\u0445\u043e\u0434\u0456\u0432<\/label>\n            <input type=\"number\" id=\"width\" value=\"1000\" min=\"800\" max=\"1500\" step=\"10\">\n          <\/div>\n\n          <div class=\"calc-section-title\">\u0417\u0430\u0431\u0456\u0436\u043d\u0430 \u0437\u043e\u043d\u0430<\/div>\n          <div class=\"input-group\">\n            <label>\u041a\u0456\u043b\u044c\u043a\u0456\u0441\u0442\u044c \u0437\u0430\u0431\u0456\u0436\u043d\u0438\u0445 \u0441\u0445\u043e\u0434\u0438\u043d\u043e\u043a<\/label>\n            <select id=\"winders-count\">\n              <option value=\"3\" selected>3 (\u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442, \u043a\u043e\u043c\u043f\u0430\u043a\u0442\u043d\u043e)<\/option>\n              <option value=\"4\">4 (\u043f\u043b\u0430\u0432\u043d\u0456\u0448\u0435)<\/option>\n              <option value=\"5\">5 (\u043c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u043e \u043f\u043b\u0430\u0432\u043d\u0438\u0439 \u043f\u043e\u0432\u043e\u0440\u043e\u0442)<\/option>\n            <\/select>\n          <\/div>\n\n          <div class=\"calc-section-title\">\u0421\u0445\u043e\u0434\u0438\u043d\u043a\u0438<\/div>\n          <div class=\"input-row\">\n            <div class=\"input-group\">\n              <label>\u0422\u043e\u0432\u0449\u0438\u043d\u0430 \u043f\u0440\u043e\u0441\u0442\u0443\u043f\u0443<\/label>\n              <input type=\"number\" id=\"step-thickness\" value=\"40\" min=\"20\" max=\"80\" step=\"1\">\n            <\/div>\n            <div class=\"input-group\">\n              <label>\u0417\u0432\u0438\u0441<\/label>\n              <input type=\"number\" id=\"overhang\" value=\"30\" min=\"0\" max=\"50\" step=\"1\">\n            <\/div>\n          <\/div>\n          <div class=\"input-group\">\n            <label>\u041f\u0456\u0434\u0441\u0442\u0443\u043f\u0456\u043d\u043e\u043a<\/label>\n            <select id=\"riser\">\n              <option value=\"yes\">\u0417\u0430\u043a\u0440\u0438\u0442\u0438\u0439<\/option>\n              <option value=\"no\" selected>\u0412\u0456\u0434\u043a\u0440\u0438\u0442\u0438\u0439<\/option>\n            <\/select>\n          <\/div>\n\n          <div class=\"calc-section-title\">\u041c\u0430\u0442\u0435\u0440\u0456\u0430\u043b\u0438<\/div>\n          <div class=\"input-group\">\n            <label>\u0422\u0438\u043f \u043e\u043f\u043e\u0440\u0438<\/label>\n            <select id=\"type\">\n              <option value=\"tyativa\">\u041d\u0430 \u0442\u044f\u0442\u0438\u0432\u0456<\/option>\n              <option value=\"kosour\" selected>\u041d\u0430 \u043a\u043e\u0441\u043e\u0443\u0440\u0456<\/option>\n            <\/select>\n          <\/div>\n          <div class=\"input-group\">\n            <label>\u041c\u0430\u0442\u0435\u0440\u0456\u0430\u043b \u043f\u0440\u043e\u0441\u0442\u0443\u043f\u0456\u0432<\/label>\n            <select id=\"material\">\n              <option value=\"sosna\">\u0421\u043e\u0441\u043d\u0430<\/option>\n              <option value=\"dub\" selected>\u0414\u0443\u0431<\/option>\n              <option value=\"yasen\">\u042f\u0441\u0435\u043d<\/option>\n              <option value=\"buk\">\u0411\u0443\u043a<\/option>\n            <\/select>\n          <\/div>\n          <div class=\"input-group\">\n            <label>\u041c\u0430\u0442\u0435\u0440\u0456\u0430\u043b \u043e\u043f\u043e\u0440\u0438<\/label>\n            <select id=\"material-support\">\n              <option value=\"sosna\" selected>\u0421\u043e\u0441\u043d\u0430<\/option>\n              <option value=\"dub\">\u0414\u0443\u0431<\/option>\n              <option value=\"yasen\">\u042f\u0441\u0435\u043d<\/option>\n              <option value=\"buk\">\u0411\u0443\u043a<\/option>\n            <\/select>\n          <\/div>\n\n          <div class=\"calc-section-title\">\u0414\u043e\u0434\u0430\u0442\u043a\u043e\u0432\u0456 \u043e\u043f\u0446\u0456\u0457<\/div>\n          <div class=\"input-group\">\n            <label>\u0411\u0430\u043b\u044e\u0441\u0442\u0440\u0430\u0434\u0430<\/label>\n            <select id=\"balustrade\">\n              <option value=\"no\">\u041d\u0435 \u043f\u043e\u0442\u0440\u0456\u0431\u043d\u0430<\/option>\n              <option value=\"one\">\u0417 \u043e\u0434\u043d\u043e\u0433\u043e \u0431\u043e\u043a\u0443<\/option>\n              <option value=\"two\" selected>\u0417 \u043e\u0431\u043e\u0445 \u0431\u043e\u043a\u0456\u0432<\/option>\n            <\/select>\n          <\/div>\n          <div class=\"input-group\">\n            <label>\u041f\u043e\u043a\u0440\u0438\u0442\u0442\u044f<\/label>\n            <select id=\"coating\">\n              <option value=\"none\">\u0411\u0435\u0437 \u043f\u043e\u043a\u0440\u0438\u0442\u0442\u044f<\/option>\n              <option value=\"lak\" selected>\u041b\u0430\u043a (2 \u0448\u0430\u0440\u0438)<\/option>\n              <option value=\"oil\">\u041e\u043b\u0456\u044f-\u0432\u0456\u0441\u043a<\/option>\n              <option value=\"stain\">\u041c\u043e\u0440\u0438\u043b\u043a\u0430 + \u043b\u0430\u043a<\/option>\n            <\/select>\n          <\/div>\n          <div class=\"input-group\">\n            <label>\u0420\u043e\u0431\u043e\u0442\u0438<\/label>\n            <select id=\"works\">\n              <option value=\"material\">\u0422\u0456\u043b\u044c\u043a\u0438 \u043c\u0430\u0442\u0435\u0440\u0456\u0430\u043b<\/option>\n              <option value=\"production\" selected>\u0412\u0438\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u043d\u044f<\/option>\n              <option value=\"full\">\u0412\u0438\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u043d\u044f + \u043c\u043e\u043d\u0442\u0430\u0436<\/option>\n            <\/select>\n          <\/div>\n          <div class=\"input-group\">\n            <label>\u0420\u0435\u0433\u0456\u043e\u043d<\/label>\n            <select id=\"region\">\n              <option value=\"kyiv\" selected>\u041a\u0438\u0457\u0432 \/ \u043e\u0431\u043b\u0430\u0441\u0442\u044c<\/option>\n              <option value=\"large\">\u041e\u0431\u043b\u0430\u0441\u043d\u0438\u0439 \u0446\u0435\u043d\u0442\u0440<\/option>\n              <option value=\"other\">\u0406\u043d\u0448\u0438\u0439 \u0440\u0435\u0433\u0456\u043e\u043d<\/option>\n            <\/select>\n          <\/div>\n\n          <button class=\"btn btn-primary\" style=\"width:100%; margin-top:12px;\" onclick=\"calculate()\">\u0420\u043e\u0437\u0440\u0430\u0445\u0443\u0432\u0430\u0442\u0438<\/button>\n        <\/div>\n\n        <div class=\"calc-visual\">\n          <div class=\"result-summary\">\n            <div class=\"result-card\"><div class=\"label\">\u0412\u0441\u044c\u043e\u0433\u043e \u0441\u0445\u043e\u0434\u0438\u043d\u043e\u043a<\/div><div class=\"value\" id=\"r-count\">18<span class=\"unit\">\u0448\u0442<\/span><\/div><\/div>\n            <div class=\"result-card\"><div class=\"label\">\u0412\u0438\u0441\u043e\u0442\u0430 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438<\/div><div class=\"value\" id=\"r-step-h\">167<span class=\"unit\">\u043c\u043c<\/span><\/div><\/div>\n            <div class=\"result-card\"><div class=\"label\">\u0413\u043b\u0438\u0431\u0438\u043d\u0430 \u043d\u0430 \u0441\u0435\u0440. \u043b\u0456\u043d\u0456\u0457<\/div><div class=\"value\" id=\"r-step-d\">262<span class=\"unit\">\u043c\u043c<\/span><\/div><\/div>\n            <div class=\"result-card\"><div class=\"label\">\u041f\u0440\u044f\u043c\u0438\u0445 \/ \u0437\u0430\u0431\u0456\u0436\u043d\u0438\u0445<\/div><div class=\"value\" id=\"r-split\">15\/3<span class=\"unit\">\u0448\u0442<\/span><\/div><\/div>\n          <\/div>\n          <div class=\"drawing-container\">\n            <svg id=\"stairs-svg\" viewBox=\"0 0 800 500\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><\/svg>\n          <\/div>\n          <div class=\"comfort-bar\">\n            <div class=\"comfort-label\"><span>\u0411\u043b\u043e\u043d\u0434\u0435\u043b\u044c \u043d\u0430 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0439 \u043b\u0456\u043d\u0456\u0457 (2h + d)<\/span><strong id=\"comfort-value\">596 \u043c\u043c<\/strong><\/div>\n            <div class=\"comfort-scale\"><div class=\"comfort-indicator\" id=\"comfort-indicator\" style=\"left:30%\"><\/div><\/div>\n            <div class=\"comfort-scale-labels\"><span>550<\/span><span>600 \u2014 640<\/span><span>700<\/span><\/div>\n          <\/div>\n          <div class=\"warnings\" id=\"warnings\"><\/div>\n          <table class=\"detail-table\">\n            <tr><td>\u041d\u0438\u0436\u043d\u0456\u0439 \u043c\u0430\u0440\u0448: \u043f\u0440\u044f\u043c\u0438\u0445 \u0441\u0445\u043e\u0434\u0438\u043d\u043e\u043a<\/td><td id=\"d-k1\">7<\/td><\/tr>\n            <tr><td>\u0417\u0430\u0431\u0456\u0436\u043d\u0438\u0445 \u0441\u0445\u043e\u0434\u0438\u043d\u043e\u043a<\/td><td id=\"d-winders\">3<\/td><\/tr>\n            <tr><td>\u0412\u0435\u0440\u0445\u043d\u0456\u0439 \u043c\u0430\u0440\u0448: \u043f\u0440\u044f\u043c\u0438\u0445 \u0441\u0445\u043e\u0434\u0438\u043d\u043e\u043a<\/td><td id=\"d-k2\">8<\/td><\/tr>\n            <tr><td>\u0413\u043b\u0438\u0431\u0438\u043d\u0430 \u0437\u0430\u0431\u0456\u0436\u043d\u043e\u0457 \u043d\u0430 \u0432\u043d\u0443\u0442\u0440. \u043a\u0440\u0430\u0457<\/td><td id=\"d-winder-inner\">40 \u043c\u043c<\/td><\/tr>\n            <tr><td>\u0413\u043b\u0438\u0431\u0438\u043d\u0430 \u0437\u0430\u0431\u0456\u0436\u043d\u043e\u0457 \u043d\u0430 \u0437\u043e\u0432\u043d. \u043a\u0440\u0430\u0457<\/td><td id=\"d-winder-outer\">520 \u043c\u043c<\/td><\/tr>\n          <\/table>\n          <div class=\"price-block\">\n            <div class=\"price-block-title\">\u041e\u0440\u0456\u0454\u043d\u0442\u043e\u0432\u043d\u0430 \u0432\u0430\u0440\u0442\u0456\u0441\u0442\u044c<\/div>\n            <table class=\"detail-table price-breakdown\" id=\"price-breakdown\"><\/table>\n            <div class=\"price-total\"><span>\u0420\u0430\u0437\u043e\u043c \u043f\u0456\u0434 \u043a\u043b\u044e\u0447<\/span><strong id=\"price-total\">\u2014 \u0433\u0440\u043d<\/strong><\/div>\n            <div class=\"price-disclaimer\">\u24d8 \u0420\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043e\u043a \u043e\u0440\u0456\u0454\u043d\u0442\u043e\u0432\u043d\u0438\u0439 (\u00b115-20%).<\/div>\n          <\/div>\n          <div class=\"calc-actions\">\n            <button class=\"btn btn-primary\" onclick=\"openOrderModal()\">\ud83d\udcde \u041e\u0442\u0440\u0438\u043c\u0430\u0442\u0438 \u0442\u043e\u0447\u043d\u0438\u0439 \u0440\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043e\u043a<\/button>\n            <button class=\"btn btn-secondary\" onclick=\"alert('PDF')\">\ud83d\udcc4 \u0417\u0430\u0432\u0430\u043d\u0442\u0430\u0436\u0438\u0442\u0438 PDF<\/button>\n          <\/div>\n        <\/div>\n      <\/div>\n    <\/section>\n\n    <section class=\"content-block\">\n      <h2>\u0429\u043e \u0442\u0430\u043a\u0435 \u0437\u0430\u0431\u0456\u0436\u043d\u0456 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438<\/h2>\n      <p>\n        <strong>\u0417\u0430\u0431\u0456\u0436\u043d\u0456 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438<\/strong> (\u0432\u0456\u0434 \u0441\u043b\u043e\u0432\u0430 \u00ab\u0437\u0430\u0431\u0456\u0433\u0430\u044e\u0442\u044c\u00bb \u0437\u0430 \u043a\u0443\u0442) \u2014 \u043a\u043b\u0438\u043d\u043e\u043f\u043e\u0434\u0456\u0431\u043d\u0456\n        (\u0442\u0440\u0430\u043f\u0435\u0446\u0456\u0454\u043f\u043e\u0434\u0456\u0431\u043d\u0456) \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438 \u0443 \u0442\u043e\u0447\u0446\u0456 \u043f\u043e\u0432\u043e\u0440\u043e\u0442\u0443 \u0441\u0445\u043e\u0434\u0456\u0432, \u044f\u043a\u0456 \u0437\u0430\u043c\u0456\u043d\u044e\u044e\u0442\u044c\n        \u0433\u043e\u0440\u0438\u0437\u043e\u043d\u0442\u0430\u043b\u044c\u043d\u0443 \u043f\u043b\u043e\u0449\u0430\u0434\u043a\u0443. \u0422\u0430\u043a\u043e\u0436 \u0432\u0456\u0434\u043e\u043c\u0456 \u044f\u043a <em>\u043a\u043b\u0438\u043d\u043e\u043f\u043e\u0434\u0456\u0431\u043d\u0456<\/em>,\n        <em>\u0442\u0440\u0438\u043a\u0443\u0442\u043d\u0456<\/em>, <em>\u043f\u043e\u0432\u043e\u0440\u043e\u0442\u043d\u0456<\/em> \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438.\n      <\/p>\n      <p>\n        \u041d\u0430 \u0432\u0456\u0434\u043c\u0456\u043d\u0443 \u0432\u0456\u0434 \u043f\u043b\u043e\u0449\u0430\u0434\u043a\u0438, \u0434\u0435 \u0432\u0438 \u0440\u043e\u0431\u0438\u0442\u0435 \u043f\u043b\u0430\u0441\u043a\u0438\u0439 \u043a\u0440\u043e\u043a \u0443\u0431\u0456\u043a, \u043f\u043e \u0437\u0430\u0431\u0456\u0436\u043d\u0438\u0445\n        \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0430\u0445 <strong>\u043f\u0456\u0434\u0439\u043e\u043c \u043f\u0440\u043e\u0434\u043e\u0432\u0436\u0443\u0454\u0442\u044c\u0441\u044f \u043f\u0456\u0434 \u0447\u0430\u0441 \u043f\u043e\u0432\u043e\u0440\u043e\u0442\u0443<\/strong>. \u0426\u0435 \u0434\u043e\u0437\u0432\u043e\u043b\u044f\u0454\n        \u0441\u043a\u043e\u0440\u043e\u0442\u0438\u0442\u0438 \u0434\u043e\u0432\u0436\u0438\u043d\u0443 \u0441\u0445\u043e\u0434\u0456\u0432 \u0443 \u043f\u043b\u0430\u043d\u0456 \u043d\u0430 25\u201330 % \u2014 \u043a\u043e\u0436\u043d\u0430 \u0437\u0430\u0431\u0456\u0436\u043d\u0430 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0430 \u043e\u0434\u043d\u043e\u0447\u0430\u0441\u043d\u043e\n        \u0434\u0430\u0454 \u043f\u0456\u0434\u0439\u043e\u043c \u043f\u043e \u0432\u0438\u0441\u043e\u0442\u0456 \u0442\u0430 \u043f\u043e\u0432\u043e\u0440\u043e\u0442 \u043d\u0430 \u0447\u0430\u0441\u0442\u0438\u043d\u0443 \u043a\u0443\u0442\u0430.\n      <\/p>\n    <\/section>\n\n    <section class=\"content-block\">\n      <h2>\u0413\u0435\u043e\u043c\u0435\u0442\u0440\u0456\u044f \u0437\u0430\u0431\u0456\u0436\u043d\u043e\u0457 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438<\/h2>\n      <p>\n        \u0417\u0430\u0431\u0456\u0436\u043d\u0430 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0430 \u2014 \u0442\u0440\u0430\u043f\u0435\u0446\u0456\u044f \u0437 \u0440\u0456\u0437\u043d\u043e\u044e \u0448\u0438\u0440\u0438\u043d\u043e\u044e \u043d\u0430 \u0432\u043d\u0443\u0442\u0440\u0456\u0448\u043d\u044c\u043e\u043c\u0443 \u0442\u0430 \u0437\u043e\u0432\u043d\u0456\u0448\u043d\u044c\u043e\u043c\u0443 \u043a\u0440\u0430\u0457:\n      <\/p>\n      <ul>\n        <li><strong>\u0412\u043d\u0443\u0442\u0440\u0456\u0448\u043d\u0456\u0439 \u043a\u0440\u0430\u0439<\/strong> (\u0431\u043b\u0438\u0436\u0447\u0435 \u0434\u043e \u043e\u0441\u0456 \u043f\u043e\u0432\u043e\u0440\u043e\u0442\u0443) \u2014 \u0432\u0443\u0437\u044c\u043a\u0438\u0439, 40\u201380 \u043c\u043c.<\/li>\n        <li><strong>\u0417\u043e\u0432\u043d\u0456\u0448\u043d\u0456\u0439 \u043a\u0440\u0430\u0439<\/strong> (\u0431\u043b\u0438\u0436\u0447\u0435 \u0434\u043e \u0441\u0442\u0456\u043d\u0438) \u2014 \u0448\u0438\u0440\u043e\u043a\u0438\u0439, 300\u2013600 \u043c\u043c.<\/li>\n        <li><strong>\u0421\u0435\u0440\u0435\u0434\u043d\u044f \u043b\u0456\u043d\u0456\u044f<\/strong> \u2014 \u043d\u0430 \u0432\u0456\u0434\u0441\u0442\u0430\u043d\u0456 W\/2 \u0432\u0456\u0434 \u0432\u043d\u0443\u0442\u0440\u0456\u0448\u043d\u044c\u043e\u0433\u043e \u043a\u0440\u0430\u044e. \u0413\u043b\u0438\u0431\u0438\u043d\u0430 \u043d\u0430 \u043d\u0456\u0439 \u2014 \u043e\u0441\u043d\u043e\u0432\u043d\u0438\u0439 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440 \u0434\u043b\u044f \u0444\u043e\u0440\u043c\u0443\u043b\u0438 \u0411\u043b\u043e\u043d\u0434\u0435\u043b\u044f.<\/li>\n      <\/ul>\n      <p>\n        \u0417\u0430 <strong>\u0414\u0411\u041d \u0412.2.2-9<\/strong> \u0433\u043b\u0438\u0431\u0438\u043d\u0430 \u0437\u0430\u0431\u0456\u0436\u043d\u043e\u0457 \u043d\u0430 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0439 \u043b\u0456\u043d\u0456\u0457 \u043c\u0430\u0454 \u0431\u0443\u0442\u0438\n        \u043d\u0435 \u043c\u0435\u043d\u0448\u0435 <strong>250 \u043c\u043c<\/strong>. \u041a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440 \u043f\u0435\u0440\u0435\u0432\u0456\u0440\u044f\u0454 \u0446\u0435 \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u043d\u043e \u0442\u0430\n        \u043f\u0456\u0434\u0431\u0438\u0440\u0430\u0454 \u043e\u043f\u0442\u0438\u043c\u0430\u043b\u044c\u043d\u0443 \u043a\u0456\u043b\u044c\u043a\u0456\u0441\u0442\u044c \u0437\u0430\u0431\u0456\u0436\u043d\u0438\u0445 (3 \/ 4 \/ 5) \u0437\u0430 \u0448\u0438\u0440\u0438\u043d\u043e\u044e \u0441\u0445\u043e\u0434\u0456\u0432.\n      <\/p>\n      <p>\n        \u0424\u043e\u0440\u043c\u0443\u043b\u0430 \u0434\u043e\u0432\u0436\u0438\u043d\u0438 \u0434\u0443\u0433\u0438 \u0441\u0435\u0440\u0435\u0434\u043d\u044c\u043e\u0457 \u043b\u0456\u043d\u0456\u0457 \u043f\u0440\u0438 \u043f\u043e\u0432\u043e\u0440\u043e\u0442\u0456 \u043d\u0430 90\u00b0:\n      <\/p>\n      <p style=\"text-align:center; padding:14px; background:var(--bg); border-radius:8px; font-family:monospace;\">\n        L<sub>\u0441\u0435\u0440<\/sub> = \u03c0 \u00d7 W \/ 4<br>\n        d<sub>\u0441\u0435\u0440<\/sub> = L<sub>\u0441\u0435\u0440<\/sub> \/ N<sub>w<\/sub>\n      <\/p>\n    <\/section>\n\n    <section class=\"content-block\">\n      <h2>\u041f\u0435\u0440\u0435\u0432\u0430\u0433\u0438 \u0442\u0430 \u043d\u0435\u0434\u043e\u043b\u0456\u043a\u0438 \u0437\u0430\u0431\u0456\u0436\u043d\u0438\u0445<\/h2>\n      <div class=\"advantages-grid\">\n        <div class=\"advantage-card\"><span class=\"ico\">\ud83d\udcd0<\/span><h3>\u0415\u043a\u043e\u043d\u043e\u043c\u0456\u044f \u0434\u043e\u0432\u0436\u0438\u043d\u0438<\/h3><p>\u0414\u043e 30 % \u043c\u0435\u043d\u0448\u0435 \u0434\u043e\u0432\u0436\u0438\u043d\u0438, \u043d\u0456\u0436 \u0456\u0437 \u043f\u043b\u043e\u0449\u0430\u0434\u043a\u043e\u044e. \u0412\u043c\u0456\u0441\u0442\u0438\u0442\u044c\u0441\u044f \u0443 \u043a\u0443\u0442\u0456, \u0434\u0435 \u043f\u043b\u043e\u0449\u0430\u0434\u043a\u0430 \u043d\u0435 \u0432\u043b\u0430\u0437\u0438\u0442\u044c.<\/p><\/div>\n        <div class=\"advantage-card\"><span class=\"ico\">\u2728<\/span><h3>\u0415\u043b\u0435\u0433\u0430\u043d\u0442\u043d\u0438\u0439 \u0432\u0438\u0433\u043b\u044f\u0434<\/h3><p>\u041f\u043b\u0430\u0432\u043d\u0438\u0439 \u043f\u043e\u0432\u043e\u0440\u043e\u0442, \u00ab\u0441\u043a\u0443\u043b\u044c\u043f\u0442\u0443\u0440\u043d\u0438\u0439\u00bb \u043f\u0440\u043e\u0444\u0456\u043b\u044c. \u0415\u0444\u0435\u043a\u0442\u043d\u0435 \u0440\u0456\u0448\u0435\u043d\u043d\u044f \u0434\u043b\u044f \u0441\u0443\u0447\u0430\u0441\u043d\u0438\u0445 \u0456\u043d\u0442\u0435\u0440'\u0454\u0440\u0456\u0432.<\/p><\/div>\n        <div class=\"advantage-card\"><span class=\"ico\">\ud83c\udfa8<\/span><h3>\u041d\u0435\u043f\u0435\u0440\u0435\u0440\u0432\u043d\u0456\u0441\u0442\u044c<\/h3><p>\u041f\u0456\u0434\u0439\u043e\u043c \u043d\u0435 \u043f\u0435\u0440\u0435\u0440\u0438\u0432\u0430\u0454\u0442\u044c\u0441\u044f \u043f\u043b\u0430\u0441\u043a\u043e\u044e \u043f\u043b\u043e\u0449\u0430\u0434\u043a\u043e\u044e \u2014 \u043e\u0434\u0438\u043d \u0446\u0456\u043b\u0456\u0441\u043d\u0438\u0439 \u043c\u0430\u0440\u0448.<\/p><\/div>\n        <div class=\"advantage-card\"><span class=\"ico\">\u26a0\ufe0f<\/span><h3>\u0412\u0438\u043c\u0430\u0433\u0430\u044e\u0442\u044c \u0437\u0432\u0438\u0447\u043a\u0438<\/h3><p>\u0412\u0443\u0437\u044c\u043a\u0438\u0439 \u0432\u043d\u0443\u0442\u0440\u0456\u0448\u043d\u0456\u0439 \u043a\u0440\u0430\u0439 \u2014 \u043f\u043e\u0442\u0440\u0456\u0431\u043d\u043e \u043e\u0431\u0435\u0440\u0435\u0436\u043d\u0456\u0448\u0435 \u0441\u0442\u0430\u0432\u0438\u0442\u0438 \u043d\u043e\u0433\u0443. \u041d\u0435 \u0434\u043b\u044f \u043c\u0430\u043b\u0435\u043d\u044c\u043a\u0438\u0445 \u0434\u0456\u0442\u0435\u0439 \u0456 \u043b\u0456\u0442\u043d\u0456\u0445.<\/p><\/div>\n        <div class=\"advantage-card\"><span class=\"ico\">\ud83d\udcb0<\/span><h3>\u0412\u0438\u0449\u0430 \u0446\u0456\u043d\u0430<\/h3><p>+20\u201330 % \u0434\u043e \u043f\u043b\u043e\u0449\u0430\u0434\u043a\u0438 \u2014 \u0441\u043a\u043b\u0430\u0434\u043d\u0430 \u0433\u0435\u043e\u043c\u0435\u0442\u0440\u0456\u044f, \u0456\u043d\u0434\u0438\u0432\u0456\u0434\u0443\u0430\u043b\u044c\u043d\u0438\u0439 \u0440\u043e\u0437\u043a\u0440\u0456\u0439 \u043a\u043e\u0436\u043d\u043e\u0457 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438.<\/p><\/div>\n        <div class=\"advantage-card\"><span class=\"ico\">\ud83d\uded1<\/span><h3>\u041d\u0435 \u043c\u043e\u0436\u043d\u0430 \u0437\u0443\u043f\u0438\u043d\u0438\u0442\u0438\u0441\u044f<\/h3><p>\u041d\u0430 \u0432\u0456\u0434\u043c\u0456\u043d\u0443 \u0432\u0456\u0434 \u043f\u043b\u043e\u0449\u0430\u0434\u043a\u0438, \u043d\u0430 \u0437\u0430\u0431\u0456\u0436\u043d\u0438\u0445 \u043d\u0435\u043c\u0430\u0454 \u043c\u0456\u0441\u0446\u044f \u0434\u043b\u044f \u043f\u0430\u0443\u0437\u0438 \u043f\u0440\u0438 \u043f\u0456\u0434\u0439\u043e\u043c\u0456. \u041d\u0435\u0437\u0440\u0443\u0447\u043d\u043e \u0437 \u0432\u0430\u043d\u0442\u0430\u0436\u0435\u043c.<\/p><\/div>\n      <\/div>\n    <\/section>\n\n    <section class=\"content-block\">\n      <h2>\u041f\u043e\u0440\u0456\u0432\u043d\u044f\u043d\u043d\u044f: \u0437\u0430\u0431\u0456\u0436\u043d\u0456 90\u00b0 vs \u043f\u043b\u043e\u0449\u0430\u0434\u043a\u0430 90\u00b0<\/h2>\n      <table class=\"materials-table\">\n        <thead><tr><th>\u041a\u0440\u0438\u0442\u0435\u0440\u0456\u0439<\/th><th>\u0417\u0430\u0431\u0456\u0436\u043d\u0456 90\u00b0<\/th><th>\u041f\u043b\u043e\u0449\u0430\u0434\u043a\u0430 90\u00b0<\/th><\/tr><\/thead>\n        <tbody>\n          <tr><td>\u0414\u043e\u0432\u0436\u0438\u043d\u0430 \u0432 \u043f\u043b\u0430\u043d\u0456<\/td><td class=\"price\">\u041c\u0435\u043d\u0448\u0435 \u043d\u0430 30 %<\/td><td>\u0411\u0456\u043b\u044c\u0448\u0435<\/td><\/tr>\n          <tr><td>\u0411\u0435\u0437\u043f\u0435\u043a\u0430<\/td><td>\u0421\u0435\u0440\u0435\u0434\u043d\u044f (\u0432\u0443\u0437\u044c\u043a\u0438\u0439 \u043a\u0440\u0430\u0439)<\/td><td class=\"price\">\u0412\u0438\u0441\u043e\u043a\u0430<\/td><\/tr>\n          <tr><td>\u0415\u0441\u0442\u0435\u0442\u0438\u043a\u0430<\/td><td class=\"price\">\u041f\u043b\u0430\u0432\u043d\u0430, \u0441\u043a\u0443\u043b\u044c\u043f\u0442\u0443\u0440\u043d\u0430<\/td><td>\u0421\u0442\u0440\u043e\u0433\u0430, \u0444\u0443\u043d\u043a\u0446\u0456\u043e\u043d\u0430\u043b\u044c\u043d\u0430<\/td><\/tr>\n          <tr><td>\u0421\u043a\u043b\u0430\u0434\u043d\u0456\u0441\u0442\u044c \u0432\u0438\u0440\u043e\u0431\u043d\u0438\u0446\u0442\u0432\u0430<\/td><td>\u0412\u0438\u0441\u043e\u043a\u0430 (+20\u201330 %)<\/td><td>\u0421\u0435\u0440\u0435\u0434\u043d\u044f<\/td><\/tr>\n          <tr><td>\u041f\u0440\u0438\u0434\u0430\u0442\u043d\u0456\u0441\u0442\u044c \u0434\u043b\u044f \u0434\u0456\u0442\u0435\u0439<\/td><td>\u0423\u043c\u043e\u0432\u043d\u043e<\/td><td class=\"price\">\u0422\u0430\u043a<\/td><\/tr>\n          <tr><td>\u041f\u0435\u0440\u0435\u043d\u0435\u0441\u0435\u043d\u043d\u044f \u043c\u0435\u0431\u043b\u0456\u0432<\/td><td>\u0421\u043a\u043b\u0430\u0434\u043d\u043e<\/td><td class=\"price\">\u041b\u0435\u0433\u043a\u043e<\/td><\/tr>\n        <\/tbody>\n      <\/table>\n    <\/section>\n\n    <section class=\"content-block\">\n      <h2>\u042f\u043a \u043c\u0438 \u043f\u0440\u0430\u0446\u044e\u0454\u043c\u043e<\/h2>\n      <div class=\"steps-grid\">\n        <div class=\"step-card\"><h3>\u0420\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043e\u043a \u043e\u043d\u043b\u0430\u0439\u043d<\/h3><p>\u0423 \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440\u0456 \u0432\u0438\u0449\u0435 \u043f\u0435\u0440\u0435\u0432\u0456\u0440\u0442\u0435 \u0433\u0435\u043e\u043c\u0435\u0442\u0440\u0456\u044e \u0437\u0430\u0431\u0456\u0436\u043d\u0438\u0445 \u0441\u0445\u043e\u0434\u0438\u043d\u043e\u043a.<\/p><\/div>\n        <div class=\"step-card\"><h3>\u0417\u0430\u043c\u0456\u0440<\/h3><p>\u0417\u0430\u043c\u0456\u0440 \u043a\u0443\u0442\u0430, \u043f\u0435\u0440\u0435\u0432\u0456\u0440\u043a\u0430 \u043d\u0435\u0441\u0443\u0447\u0438\u0445 \u0441\u0442\u0456\u043d.<\/p><\/div>\n        <div class=\"step-card\"><h3>\u041f\u0440\u043e\u0454\u043a\u0442<\/h3><p>\u041a\u0440\u0435\u0441\u043b\u0435\u043d\u043d\u044f \u043a\u043e\u0436\u043d\u043e\u0457 \u0437\u0430\u0431\u0456\u0436\u043d\u043e\u0457 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438 \u0437 \u0442\u043e\u0447\u043d\u043e\u044e \u0433\u0435\u043e\u043c\u0435\u0442\u0440\u0456\u0454\u044e \u0442\u0440\u0430\u043f\u0435\u0446\u0456\u0457.<\/p><\/div>\n        <div class=\"step-card\"><h3>\u0412\u0438\u0440\u043e\u0431\u043d\u0438\u0446\u0442\u0432\u043e<\/h3><p>25\u201332 \u0434\u043d\u0456. \u0406\u043d\u0434\u0438\u0432\u0456\u0434\u0443\u0430\u043b\u044c\u043d\u0438\u0439 \u0440\u043e\u0437\u043a\u0440\u0456\u0439 \u043a\u043e\u0436\u043d\u043e\u0457 \u0437\u0430\u0431\u0456\u0436\u043d\u043e\u0457 \u043d\u0430 \u0427\u041f\u041a.<\/p><\/div>\n        <div class=\"step-card\"><h3>\u041c\u043e\u043d\u0442\u0430\u0436<\/h3><p>2\u20133 \u0434\u043d\u0456. \u0417\u0431\u0438\u0440\u0430\u043d\u043d\u044f \u0437 \u0442\u043e\u0447\u043d\u0438\u043c \u0432\u0438\u0441\u0442\u0430\u0432\u043b\u044f\u043d\u043d\u044f\u043c \u043a\u0443\u0442\u0430 \u043f\u043e\u0432\u043e\u0440\u043e\u0442\u0443.<\/p><\/div>\n        <div class=\"step-card\"><h3>\u0413\u0430\u0440\u0430\u043d\u0442\u0456\u044f 5 \u0440\u043e\u043a\u0456\u0432<\/h3><p>\u041d\u0430 \u0432\u0441\u044e \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0456\u044e.<\/p><\/div>\n      <\/div>\n    <\/section>\n\n    <section class=\"content-block\">\n      <h2>\u0427\u0430\u0441\u0442\u0456 \u043f\u0438\u0442\u0430\u043d\u043d\u044f<\/h2>\n      <details class=\"faq-item\" open><summary>\u0429\u043e \u0442\u0430\u043a\u0435 \u0437\u0430\u0431\u0456\u0436\u043d\u0456 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438?<\/summary><p>\u041a\u043b\u0438\u043d\u043e\u043f\u043e\u0434\u0456\u0431\u043d\u0456 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438 \u0443 \u0442\u043e\u0447\u0446\u0456 \u043f\u043e\u0432\u043e\u0440\u043e\u0442\u0443 \u0441\u0445\u043e\u0434\u0456\u0432. \u0417\u0430\u043c\u0456\u043d\u044e\u044e\u0442\u044c \u043f\u0440\u043e\u043c\u0456\u0436\u043d\u0443 \u043f\u043b\u043e\u0449\u0430\u0434\u043a\u0443, \u0435\u043a\u043e\u043d\u043e\u043c\u043b\u044f\u0442\u044c \u0434\u043e 30 % \u043f\u0440\u043e\u0441\u0442\u043e\u0440\u0443.<\/p><\/details>\n      <details class=\"faq-item\"><summary>\u0421\u043a\u0456\u043b\u044c\u043a\u0438 \u043c\u0430\u0454 \u0431\u0443\u0442\u0438 \u0437\u0430\u0431\u0456\u0436\u043d\u0438\u0445 \u0441\u0445\u043e\u0434\u0438\u043d\u043e\u043a \u043d\u0430 \u043f\u043e\u0432\u043e\u0440\u043e\u0442 90\u00b0?<\/summary><p>\u0417\u0430\u0437\u0432\u0438\u0447\u0430\u0439 3 (\u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442) \u0430\u0431\u043e 5 (\u043f\u043b\u0430\u0432\u043d\u0438\u0439 \u043f\u043e\u0432\u043e\u0440\u043e\u0442). \u041c\u0456\u043d\u0456\u043c\u0443\u043c 3.<\/p><\/details>\n      <details class=\"faq-item\"><summary>\u0417\u0430\u0431\u0456\u0436\u043d\u0456 \u0447\u0438 \u043f\u043b\u043e\u0449\u0430\u0434\u043a\u0430 \u2014 \u0449\u043e \u0431\u0435\u0437\u043f\u0435\u0447\u043d\u0456\u0448\u0435?<\/summary><p>\u041f\u043b\u043e\u0449\u0430\u0434\u043a\u0430 \u0431\u0435\u0437\u043f\u0435\u0447\u043d\u0456\u0448\u0430. \u0417\u0430\u0431\u0456\u0436\u043d\u0456 \u0432\u0438\u043c\u0430\u0433\u0430\u044e\u0442\u044c \u0437\u0432\u0438\u0447\u043a\u0438. \u0414\u043b\u044f \u0434\u0456\u0442\u0435\u0439 \u0456 \u043b\u0456\u0442\u043d\u0456\u0445 \u2014 \u043f\u043b\u043e\u0449\u0430\u0434\u043a\u0430.<\/p><\/details>\n      <details class=\"faq-item\"><summary>\u0427\u043e\u043c\u0443 \u0441\u0445\u043e\u0434\u0438 \u0456\u0437 \u0437\u0430\u0431\u0456\u0436\u043d\u0438\u043c\u0438 \u0434\u043e\u0440\u043e\u0436\u0447\u0456 \u0437\u0430 \u0441\u0445\u043e\u0434\u0438 \u0437 \u043f\u043b\u043e\u0449\u0430\u0434\u043a\u043e\u044e?<\/summary><p>\u041a\u043e\u0436\u043d\u0430 \u0437\u0430\u0431\u0456\u0436\u043d\u0430 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0430 \u043c\u0430\u0454 \u0456\u043d\u0434\u0438\u0432\u0456\u0434\u0443\u0430\u043b\u044c\u043d\u0443 \u0442\u0440\u0430\u043f\u0435\u0446\u0456\u0454\u043f\u043e\u0434\u0456\u0431\u043d\u0443 \u0444\u043e\u0440\u043c\u0443, \u0440\u0456\u0437\u0430\u043d\u043d\u044f \u043d\u0430 \u0427\u041f\u041a. \u0421\u043a\u043b\u0430\u0434\u043d\u0456\u0448\u0435 \u0437\u0431\u0438\u0440\u0430\u043d\u043d\u044f \u2014 \u043f\u043e\u0442\u0440\u0456\u0431\u043d\u0435 \u0442\u043e\u0447\u043d\u0435 \u0434\u043e\u0442\u0440\u0438\u043c\u0430\u043d\u043d\u044f \u043a\u0443\u0442\u0430.<\/p><\/details>\n      <details class=\"faq-item\"><summary>\u042f\u043a\u0430 \u043c\u0456\u043d\u0456\u043c\u0430\u043b\u044c\u043d\u0430 \u0448\u0438\u0440\u0438\u043d\u0430 \u0434\u043b\u044f \u0437\u0430\u0431\u0456\u0436\u043d\u0438\u0445 \u0441\u0445\u043e\u0434\u0456\u0432?<\/summary><p>800 \u043c\u043c. \u041f\u0440\u0438 \u043c\u0435\u043d\u0448\u0456\u0439 \u0448\u0438\u0440\u0438\u043d\u0456 \u0433\u043b\u0438\u0431\u0438\u043d\u0430 \u043d\u0430 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0439 \u043b\u0456\u043d\u0456\u0457 \u0431\u0443\u0434\u0435 \u043c\u0435\u043d\u0448\u043e\u044e \u0437\u0430 250 \u043c\u043c, \u0449\u043e \u0437\u0430\u0431\u043e\u0440\u043e\u043d\u0435\u043d\u043e \u0414\u0411\u041d.<\/p><\/details>\n    <\/section>\n\n                <section class=\"pro-calc-banner-small\">\n              <div class=\"pro-calc-banner-small-inner\">\n                <span class=\"pro-calc-banner-small-icon\" aria-hidden=\"true\">\ud83c\udfac<\/span>\n                <div class=\"pro-calc-banner-small-text\">\n                  <strong>\u041f\u043e\u0434\u0438\u0432\u0456\u0442\u044c\u0441\u044f \u0441\u0445\u043e\u0434\u0438 \u0443 3D \u0434\u043e \u0437\u0430\u043c\u043e\u0432\u043b\u0435\u043d\u043d\u044f<\/strong>\n                  <span class=\"pro-calc-banner-small-sub\">\u0406\u043d\u0442\u0435\u0440\u0430\u043a\u0442\u0438\u0432\u043d\u0430 3D-\u043c\u043e\u0434\u0435\u043b\u044c \u0437 \u043e\u0431\u0435\u0440\u0442\u0430\u043d\u043d\u044f\u043c, 14 \u0442\u0438\u043f\u0456\u0432, \u0430\u0432\u0442\u043e\u043a\u043e\u0448\u0442\u043e\u0440\u0438\u0441, \u0435\u043a\u0441\u043f\u043e\u0440\u0442 PDF<\/span>\n                <\/div>\n                <a href=\"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/uk\/kalkulyator-lestnicz-na-zakaz\/?view=iso\" class=\"pro-calc-banner-small-button\">\n                  \u0412\u0456\u0434\u043a\u0440\u0438\u0442\u0438 3D-\u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440 \u2192\n                <\/a>\n              <\/div>\n            <\/section>\n            \n    <section class=\"cta-block\" id=\"cta\">\n      <h2>\u041f\u0456\u0434\u0431\u0435\u0440\u0435\u043c\u043e \u043e\u043f\u0442\u0438\u043c\u0430\u043b\u044c\u043d\u0443 \u0433\u0435\u043e\u043c\u0435\u0442\u0440\u0456\u044e \u0437\u0430\u0431\u0456\u0436\u043d\u0438\u0445 \u0441\u0445\u043e\u0434\u0438\u043d\u043e\u043a<\/h2>\n      <p>\u0417\u0430\u043b\u0438\u0448\u0442\u0435 \u0437\u0430\u044f\u0432\u043a\u0443 \u2014 \u0456\u043d\u0436\u0435\u043d\u0435\u0440 \u0440\u043e\u0437\u0440\u0430\u0445\u0443\u0454 \u0442\u043e\u0447\u043d\u0456 \u0440\u043e\u0437\u043c\u0456\u0440\u0438 \u043a\u043e\u0436\u043d\u043e\u0457 \u0437\u0430\u0431\u0456\u0436\u043d\u043e\u0457.<\/p>\n      <a href=\"#\" class=\"btn-cta\" onclick=\"openOrderModal(); return false;\">\u0417\u0430\u043c\u043e\u0432\u0438\u0442\u0438 \u0440\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043e\u043a<\/a>\n    <\/section>\n  <\/main>\n<\/div>\n\n<div class=\"modal-backdrop\" id=\"cta-modal\">\n  <div class=\"modal\">\n    <button class=\"modal-close\" onclick=\"SiteLayout.closeCtaModal()\">\u00d7<\/button>\n    <h3>\u0422\u043e\u0447\u043d\u0438\u0439 \u0440\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043e\u043a \u0432\u0456\u0434 \u043c\u0430\u0439\u0441\u0442\u0440\u0430<\/h3>\n    <p class=\"subtitle\">\u0417\u0430\u043b\u0438\u0448\u0442\u0435 \u043a\u043e\u043d\u0442\u0430\u043a\u0442\u0438 \u2014 \u043f\u0435\u0440\u0435\u0434\u0437\u0432\u043e\u043d\u0438\u043c\u043e \u043f\u0440\u043e\u0442\u044f\u0433\u043e\u043c 30 \u0445\u0432\u0438\u043b\u0438\u043d.<\/p>\n    <div class=\"form-summary\" id=\"modal-summary\"><\/div>\n    <form onsubmit=\"submitOrder(event)\">\n      <div class=\"input-group\"><label>\u0406\u043c'\u044f<\/label><input type=\"text\" name=\"name\" required placeholder=\"\u041e\u043b\u0435\u043a\u0441\u0430\u043d\u0434\u0440\"><\/div>\n      <div class=\"input-group\"><label>\u0422\u0435\u043b\u0435\u0444\u043e\u043d<\/label><input type=\"tel\" name=\"phone\" required placeholder=\"+380\"><\/div>\n      <div class=\"input-group\"><label>\u041a\u043e\u043c\u0435\u043d\u0442\u0430\u0440<\/label><input type=\"text\" name=\"comment\"><\/div>\n      <button type=\"submit\" class=\"btn btn-primary\" style=\"width:100%;\">\u0412\u0456\u0434\u043f\u0440\u0430\u0432\u0438\u0442\u0438<\/button>\n    <\/form>\n  <\/div>\n<\/div>\n\n<script>\nconst P = window.STAIR_PRICES;\nfunction val(id) { return +document.getElementById(id).value; }\n\nfunction openOrderModal() {\n  const c = window.__lastCalc;\n  let s = '<strong>\u0421\u0445\u043e\u0434\u0438 \u0456\u0437 \u0437\u0430\u0431\u0456\u0436\u043d\u0438\u043c\u0438 90\u00b0<\/strong>';\n  if (c) s = `<strong>\u0421\u0445\u043e\u0434\u0438 \u0456\u0437 \u0437\u0430\u0431\u0456\u0436\u043d\u0438\u043c\u0438 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0430\u043c\u0438 90\u00b0<\/strong><br>\n    \u0412\u0438\u0441\u043e\u0442\u0430: <strong>${c.H} \u043c\u043c<\/strong>, \u043c\u0430\u0440\u0448\u0456: <strong>${c.L1} + ${c.L2} \u043c\u043c<\/strong>, \u0448\u0438\u0440\u0438\u043d\u0430: <strong>${c.W} \u043c\u043c<\/strong><br>\n    \u0412\u0441\u044c\u043e\u0433\u043e \u0441\u0445\u043e\u0434\u0438\u043d\u043e\u043a: <strong>${c.N}<\/strong>: \u043f\u0440\u044f\u043c\u0438\u0445 <strong>${c.k1}+${c.k2}<\/strong> + \u0437\u0430\u0431\u0456\u0436\u043d\u0438\u0445 <strong>${c.Nw}<\/strong><br>\n    \u0412\u0438\u0441\u043e\u0442\u0430: <strong>${c.h} \u043c\u043c<\/strong>, \u0433\u043b\u0438\u0431\u0438\u043d\u0430 \u043d\u0430 \u0441\u0435\u0440. \u043b\u0456\u043d\u0456\u0457: <strong>${c.dMid} \u043c\u043c<\/strong><br>\n    \u041c\u0430\u0442\u0435\u0440\u0456\u0430\u043b: <strong>${P.labelWood(c.material)}<\/strong><br>\n    \u0412\u0430\u0440\u0442\u0456\u0441\u0442\u044c: <strong>${c.totalPrice.toLocaleString('uk-UA')} \u0433\u0440\u043d<\/strong>`;\n  SiteLayout.openCtaModal(s);\n}\nfunction submitOrder(e) {\n  e.preventDefault();\n  console.log('\u0417\u0430\u044f\u0432\u043a\u0430:', { ...Object.fromEntries(new FormData(e.target)), calc: window.__lastCalc });\n  alert('\u0414\u044f\u043a\u0443\u0454\u043c\u043e!');\n  SiteLayout.closeCtaModal();\n  e.target.reset();\n}\n\nfunction calculate() {\n  const unit = +document.getElementById('height-unit').value;\n  const H = val('height') * unit;\n  const L1 = val('length1'), L2 = val('length2'), W = val('width');\n  const Nw = +document.getElementById('winders-count').value;\n  const thickness = val('step-thickness'), overhang = val('overhang');\n  const material = document.getElementById('material').value;\n  const materialSupport = document.getElementById('material-support').value;\n  const type = document.getElementById('type').value;\n  const riser = document.getElementById('riser').value;\n  const balustrade = document.getElementById('balustrade').value;\n  const coating = document.getElementById('coating').value;\n  const works = document.getElementById('works').value;\n  const region = document.getElementById('region').value;\n  const regionCoef = P.REGION_COEF[region].coef;\n\n  const optimalStepH = 170;\n  let N = Math.max(Nw + 4, Math.round(H \/ optimalStepH));\n  const h = H \/ N;\n\n  const Nstraight = N - Nw;\n  let k1 = Math.max(1, Math.min(Nstraight - 1, Math.round(Nstraight * L1 \/ (L1 + L2))));\n  let k2 = Nstraight - k1;\n  const treads1 = k1;\n  const treads2 = k2;\n  const stepD1 = L1 \/ treads1;\n  const stepD2 = L2 \/ treads2;\n  const angle1 = Math.atan((k1 * h) \/ L1) * 180 \/ Math.PI;\n  const angle2 = Math.atan((k2 * h) \/ L2) * 180 \/ Math.PI;\n\n  const midLineLen = Math.PI * W \/ 4;\n  const dMid = midLineLen \/ Nw;\n  const dInner = 0;\n  const dOuter = (Math.PI \/ 2) * W \/ Nw;\n  const blondelMid = 2 * h + dMid;\n\n  const support1 = Math.sqrt((k1 * h) ** 2 + L1 ** 2);\n  const support2 = Math.sqrt((k2 * h) ** 2 + L2 ** 2);\n  const supportWinder = Math.sqrt((Nw * h) ** 2 + (W * Math.SQRT2) ** 2);\n\n  const straightArea = ((treads1 * stepD1 + treads2 * stepD2) * W) \/ 1e6;\n  const winderArea = (Math.PI \/ 4) * W * W \/ 1e6;\n  const treadArea = straightArea + winderArea;\n\n  const volTreadsStraight = (treads1 * (stepD1 + overhang) + treads2 * (stepD2 + overhang)) * W * thickness * P.WASTE \/ 1e9;\n  const volTreadsWinder = winderArea * thickness \/ 1000 * P.WASTE * 1.5;\n  const priceTreads = Math.round((volTreadsStraight + volTreadsWinder) * P.WOOD[material]);\n\n  let beamW = type === 'kosour' ? 300 : 280;\n  let beamT = type === 'kosour' ? 50 : 45;\n  const volSupport = 2 * (support1 + support2) * beamW * beamT * P.WASTE \/ 1e9;\n  const volSupportWinder = supportWinder * 250 * 80 * P.WASTE \/ 1e9 * 2;\n  const priceSupport = Math.round((volSupport + volSupportWinder) * P.WOOD[materialSupport] * (type === 'tyativa' ? 1.15 : 1.0));\n\n  let priceRisers = 0;\n  if (riser === 'yes') {\n    const volRisers = N * h * W * 20 * P.WASTE \/ 1e9;\n    priceRisers = Math.round(volRisers * P.WOOD[material]);\n  }\n\n  const balSides = balustrade === 'no' ? 0 : balustrade === 'one' ? 1 : 2;\n  const balLen = (support1 + support2) \/ 1000 + (Math.PI \/ 2 * W) \/ 1000;\n  const priceBalustrade = Math.round(balLen * P.BALUSTRADE_PER_METER[material] * balSides);\n\n  const coatingArea = treadArea + (riser === 'yes' ? treadArea * 0.6 : 0) + (balSides > 0 ? balLen * 0.8 * balSides : 0);\n  const priceCoating = Math.round(coatingArea * P.COATING_PER_M2[coating].price);\n\n  const priceMaterials = priceTreads + priceSupport + priceRisers + priceBalustrade;\n  const priceHardware = Math.round(priceMaterials * P.HARDWARE_PERCENT);\n  const totalMaterial = priceMaterials + priceCoating + priceHardware;\n\n  let priceProduction = 0, priceInstall = 0;\n  if (works === 'production' || works === 'full') priceProduction = Math.round(totalMaterial * P.WORKS.production_coef * regionCoef * 1.25);\n  if (works === 'full') priceInstall = Math.round(P.WORKS.install_base * regionCoef * 1.4);\n  const totalPrice = totalMaterial + priceProduction + priceInstall;\n\n  const rows = [\n    [`\u041f\u0440\u044f\u043c\u0456 \u043f\u0440\u043e\u0441\u0442\u0443\u043f\u0438 (${treads1 + treads2} \u0448\u0442, ${P.labelWood(material)})`, Math.round(volTreadsStraight * P.WOOD[material])],\n    [`\u0417\u0430\u0431\u0456\u0436\u043d\u0456 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438 (${Nw} \u0448\u0442, \u0442\u0440\u0430\u043f\u0435\u0446\u0456\u0457)`, Math.round(volTreadsWinder * P.WOOD[material])],\n    [`\u041a\u043e\u0441\u043e\u0443\u0440\u0438\/\u0442\u044f\u0442\u0438\u0432\u0438 (2 \u043c\u0430\u0440\u0448\u0456 + \u0437\u0430\u0431\u0456\u0436\u043d\u0430 \u0437\u043e\u043d\u0430)`, priceSupport]\n  ];\n  if (priceRisers > 0) rows.push(['\u041f\u0456\u0434\u0441\u0442\u0443\u043f\u0456\u043d\u043a\u0438', priceRisers]);\n  if (priceBalustrade > 0) rows.push([`\u0411\u0430\u043b\u044e\u0441\u0442\u0440\u0430\u0434\u0430 (${balSides} \u0441\u0442.)`, priceBalustrade]);\n  if (priceCoating > 0) rows.push([P.labelCoating(coating), priceCoating]);\n  rows.push(['\u0424\u0443\u0440\u043d\u0456\u0442\u0443\u0440\u0430, \u043a\u0440\u0456\u043f\u043b\u0435\u043d\u043d\u044f', priceHardware]);\n  if (priceProduction > 0) rows.push(['\u0412\u0438\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u043d\u044f (\u0441\u043a\u043b\u0430\u0434\u043d\u0438\u0439 \u0440\u043e\u0437\u043a\u0440\u0456\u0439 \u0437\u0430\u0431\u0456\u0436\u043d\u0438\u0445)', priceProduction]);\n  if (priceInstall > 0) rows.push(['\u041c\u043e\u043d\u0442\u0430\u0436 (2\u20133 \u0434\u043d\u0456, \u0442\u043e\u0447\u043d\u0438\u0439 \u043a\u0443\u0442)', priceInstall]);\n\n  document.getElementById('price-breakdown').innerHTML = rows.map(([l, s]) => `<tr><td>${l}<\/td><td>${P.fmt(s)}<\/td><\/tr>`).join('');\n  document.getElementById('price-total').textContent = P.fmt(totalPrice);\n\n  document.getElementById('r-count').innerHTML = N + '<span class=\"unit\">\u0448\u0442<\/span>';\n  document.getElementById('r-step-h').innerHTML = Math.round(h) + '<span class=\"unit\">\u043c\u043c<\/span>';\n  document.getElementById('r-step-d').innerHTML = Math.round(dMid) + '<span class=\"unit\">\u043c\u043c<\/span>';\n  document.getElementById('r-split').innerHTML = `${treads1 + treads2}\/${Nw}<span class=\"unit\">\u0448\u0442<\/span>`;\n  document.getElementById('d-k1').textContent = treads1;\n  document.getElementById('d-winders').textContent = Nw;\n  document.getElementById('d-k2').textContent = treads2;\n  document.getElementById('d-winder-inner').textContent = Math.round(40) + ' \u043c\u043c (\u043a\u043b\u0438\u043d)';\n  document.getElementById('d-winder-outer').textContent = Math.round(dOuter) + ' \u043c\u043c';\n\n  window.__lastCalc = { H, L1, L2, W, N, k1: treads1, k2: treads2, Nw, h: Math.round(h), dMid: Math.round(dMid), material, totalPrice };\n\n  document.getElementById('comfort-value').textContent = Math.round(blondelMid) + ' \u043c\u043c';\n  const pct = Math.max(0, Math.min(100, ((blondelMid - 550) \/ 150) * 100));\n  document.getElementById('comfort-indicator').style.left = pct + '%';\n\n  const NORM = P.NORMS, w = [];\n  if (h < NORM.stepHeightMin) w.push(['err', `\u0412\u0438\u0441\u043e\u0442\u0430 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438 ${Math.round(h)} \u043c\u043c \u043c\u0435\u043d\u0448\u0430 \u0437\u0430 \u043d\u043e\u0440\u043c\u0443`]);\n  else if (h > NORM.stepHeightMax) w.push(['err', `\u0412\u0438\u0441\u043e\u0442\u0430 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438 ${Math.round(h)} \u043c\u043c \u0431\u0456\u043b\u044c\u0448\u0430 \u0437\u0430 \u043d\u043e\u0440\u043c\u0443`]);\n  else w.push(['ok', `\u0412\u0438\u0441\u043e\u0442\u0430 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438 ${Math.round(h)} \u043c\u043c \u0432\u0456\u0434\u043f\u043e\u0432\u0456\u0434\u0430\u0454 \u0414\u0411\u041d`]);\n  if (stepD1 < NORM.stepDepthMin || stepD2 < NORM.stepDepthMin) w.push(['err', `\u0413\u043b\u0438\u0431\u0438\u043d\u0430 \u043f\u0440\u044f\u043c\u043e\u0433\u043e \u043f\u0440\u043e\u0441\u0442\u0443\u043f\u0443 \u043c\u0435\u043d\u0448\u0430 \u0437\u0430 \u043d\u043e\u0440\u043c\u0443 (${Math.round(Math.min(stepD1,stepD2))} \u043c\u043c)`]);\n  else w.push(['ok', `\u0413\u043b\u0438\u0431\u0438\u043d\u0430 \u043f\u0440\u044f\u043c\u043e\u0433\u043e \u043f\u0440\u043e\u0441\u0442\u0443\u043f\u0443 \u0432\u0456\u0434\u043f\u043e\u0432\u0456\u0434\u0430\u0454 \u043d\u043e\u0440\u043c\u0456 (${Math.round(stepD1)} \/ ${Math.round(stepD2)} \u043c\u043c)`]);\n  if (dMid < NORM.stepDepthMin) w.push(['err', `\u0413\u043b\u0438\u0431\u0438\u043d\u0430 \u0437\u0430\u0431\u0456\u0436\u043d\u043e\u0457 \u043d\u0430 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0439 \u043b\u0456\u043d\u0456\u0457 ${Math.round(dMid)} \u043c\u043c \u043c\u0435\u043d\u0448\u0430 \u0437\u0430 \u043d\u043e\u0440\u043c\u0443 \u0414\u0411\u041d (250 \u043c\u043c) \u2014 \u0437\u0431\u0456\u043b\u044c\u0448\u0456\u0442\u044c \u0448\u0438\u0440\u0438\u043d\u0443 \u0430\u0431\u043e \u043a\u0456\u043b\u044c\u043a\u0456\u0441\u0442\u044c \u0437\u0430\u0431\u0456\u0436\u043d\u0438\u0445`]);\n  else if (dMid > NORM.stepDepthMax) w.push(['warn', `\u0413\u043b\u0438\u0431\u0438\u043d\u0430 \u0437\u0430\u0431\u0456\u0436\u043d\u043e\u0457 \u043d\u0430 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0439 \u043b\u0456\u043d\u0456\u0457 ${Math.round(dMid)} \u043c\u043c \u0431\u0456\u043b\u044c\u0448\u0430 \u0437\u0430 \u043e\u043f\u0442\u0438\u043c\u0443\u043c`]);\n  else w.push(['ok', `\u0413\u043b\u0438\u0431\u0438\u043d\u0430 \u0437\u0430\u0431\u0456\u0436\u043d\u043e\u0457 \u043d\u0430 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0439 \u043b\u0456\u043d\u0456\u0457 ${Math.round(dMid)} \u043c\u043c \u0432\u0456\u0434\u043f\u043e\u0432\u0456\u0434\u0430\u0454 \u043d\u043e\u0440\u043c\u0456`]);\n  if (angle1 > NORM.angleMax || angle2 > NORM.angleMax) w.push(['err', `\u041a\u0443\u0442 \u043f\u0440\u044f\u043c\u043e\u0433\u043e \u043c\u0430\u0440\u0448\u0443 \u043f\u0435\u0440\u0435\u0432\u0438\u0449\u0443\u0454 45\u00b0`]);\n  else w.push(['ok', `\u041a\u0443\u0442\u0438 \u043c\u0430\u0440\u0448\u0456\u0432 \u043a\u043e\u043c\u0444\u043e\u0440\u0442\u043d\u0456 (${angle1.toFixed(1)}\u00b0 \/ ${angle2.toFixed(1)}\u00b0)`]);\n  if (W < 800) w.push(['err', `\u0428\u0438\u0440\u0438\u043d\u0430 ${W} \u043c\u043c \u043c\u0435\u043d\u0448\u0430 \u0437\u0430 \u043c\u0456\u043d\u0456\u043c\u0430\u043b\u044c\u043d\u0443 \u0434\u043b\u044f \u0437\u0430\u0431\u0456\u0436\u043d\u0438\u0445 (800 \u043c\u043c)`]);\n  else if (W < NORM.widthMin) w.push(['warn', `\u0428\u0438\u0440\u0438\u043d\u0430 ${W} \u043c\u043c \u043c\u0435\u043d\u0448\u0430 \u0437\u0430 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u043e\u0432\u0430\u043d\u0443 \u0414\u0411\u041d (900 \u043c\u043c)`]);\n  if (Nw < 3) w.push(['err', `\u041a\u0456\u043b\u044c\u043a\u0456\u0441\u0442\u044c \u0437\u0430\u0431\u0456\u0436\u043d\u0438\u0445 ${Nw} \u2014 \u043c\u0456\u043d\u0456\u043c\u0443\u043c \u0434\u043b\u044f 90\u00b0 \u043f\u043e\u0432\u043e\u0440\u043e\u0442\u0443 = 3`]);\n  if (blondelMid < NORM.blondelMin || blondelMid > NORM.blondelMax) w.push(['warn', `\u0411\u043b\u043e\u043d\u0434\u0435\u043b\u044c \u043d\u0430 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0439 \u043b\u0456\u043d\u0456\u0457: ${Math.round(blondelMid)} \u043c\u043c \u2014 \u0456\u0434\u0435\u0430\u043b 600\u2013640 \u043c\u043c`]);\n  else w.push(['ok', `\u0411\u043b\u043e\u043d\u0434\u0435\u043b\u044c \u043d\u0430 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0439 \u043b\u0456\u043d\u0456\u0457: ${Math.round(blondelMid)} \u043c\u043c \u2014 \u0456\u0434\u0435\u0430\u043b\u044c\u043d\u0430 \u0437\u0440\u0443\u0447\u043d\u0456\u0441\u0442\u044c`]);\n\n  document.getElementById('warnings').innerHTML = w.map(([t, m]) => `<div class=\"warning-item ${t}\"><span>${t === 'ok' ? '\u2713' : t === 'warn' ? '\u26a0' : '\u2715'}<\/span><span>${m}<\/span><\/div>`).join('');\n\n  drawStairs({ L1, L2, W, Nw, treads1, treads2 });\n}\n\nfunction drawStairs({ L1, L2, W, Nw, treads1, treads2 }) {\n  const svg = document.getElementById('stairs-svg');\n  const Ws = 800, HTs = 500, pad = 60;\n  const totalX = L1 + W + 80, totalY = L2 + W + 80;\n  const scale = Math.min((Ws - 2*pad) \/ totalX, (HTs - 2*pad) \/ totalY);\n\n  const ox = pad, oy = pad;\n  const m1x = ox, m1y = oy + L2 * scale;\n  const m1w = L1 * scale, m1h = W * scale;\n  const wx = m1x + m1w, wy = m1y;\n  const ws = W * scale;\n  const m2x = wx, m2y = oy;\n  const m2w = W * scale, m2h = L2 * scale;\n\n  let el = '';\n  el += `<rect x=\"${m1x}\" y=\"${m1y}\" width=\"${m1w}\" height=\"${m1h}\" fill=\"#FDFBF7\" stroke=\"#8B5A2B\" stroke-width=\"2\"\/>`;\n  for (let i = 1; i < treads1; i++) {\n    const x = m1x + i * (L1 \/ treads1) * scale;\n    el += `<line x1=\"${x}\" y1=\"${m1y}\" x2=\"${x}\" y2=\"${m1y + m1h}\" stroke=\"#6B4423\"\/>`;\n  }\n  el += `<text x=\"${m1x + m1w\/2}\" y=\"${m1y + m1h\/2 + 4}\" font-size=\"12\" fill=\"#6B4423\" text-anchor=\"middle\" font-weight=\"600\">\u2192 ${treads1} \u043f\u0440\u044f\u043c\u0438\u0445<\/text>`;\n  el += `<text x=\"${m1x + m1w\/2}\" y=\"${m1y - 6}\" font-size=\"10\" fill=\"#9B8F80\" text-anchor=\"middle\">L\u2081 = ${L1} \u043c\u043c<\/text>`;\n\n  const cx = wx, cy = wy + ws;\n  el += `<rect x=\"${wx}\" y=\"${wy}\" width=\"${ws}\" height=\"${ws}\" fill=\"#F5EDE0\" stroke=\"#8B5A2B\" stroke-width=\"2\"\/>`;\n  for (let i = 0; i <= Nw; i++) {\n    const angleDeg = 90 - (90 \/ Nw) * i;\n    const angleRad = angleDeg * Math.PI \/ 180;\n    const ex = cx + ws * Math.cos(angleRad);\n    const ey = cy - ws * Math.sin(angleRad);\n    el += `<line x1=\"${cx}\" y1=\"${cy}\" x2=\"${ex}\" y2=\"${ey}\" stroke=\"#6B4423\" stroke-width=\"1.5\"\/>`;\n    if (i < Nw) {\n      const midAngle = 90 - (90 \/ Nw) * (i + 0.5);\n      const midRad = midAngle * Math.PI \/ 180;\n      const tx = cx + (ws * 0.6) * Math.cos(midRad);\n      const ty = cy - (ws * 0.6) * Math.sin(midRad);\n      el += `<text x=\"${tx}\" y=\"${ty + 4}\" font-size=\"11\" fill=\"#6B4423\" text-anchor=\"middle\" font-weight=\"600\">${i + 1}<\/text>`;\n    }\n  }\n  el += `<path d=\"M ${cx + ws} ${cy} A ${ws\/2} ${ws\/2} 0 0 0 ${cx} ${cy - ws}\" stroke=\"#e67e22\" stroke-width=\"1.5\" fill=\"none\" stroke-dasharray=\"3,3\" opacity=\"0.7\" transform=\"rotate(0)\"\/>`;\n  el += `<text x=\"${cx + ws\/2}\" y=\"${cy - ws\/2 - 20}\" font-size=\"10\" fill=\"#e67e22\" text-anchor=\"middle\">${Nw} \u0437\u0430\u0431\u0456\u0436\u043d\u0438\u0445<\/text>`;\n\n  el += `<rect x=\"${m2x}\" y=\"${m2y}\" width=\"${m2w}\" height=\"${m2h}\" fill=\"#FDFBF7\" stroke=\"#8B5A2B\" stroke-width=\"2\"\/>`;\n  for (let i = 1; i < treads2; i++) {\n    const y = m2y + i * (L2 \/ treads2) * scale;\n    el += `<line x1=\"${m2x}\" y1=\"${y}\" x2=\"${m2x + m2w}\" y2=\"${y}\" stroke=\"#6B4423\"\/>`;\n  }\n  el += `<text x=\"${m2x + m2w\/2}\" y=\"${m2y + m2h\/2 + 4}\" font-size=\"12\" fill=\"#6B4423\" text-anchor=\"middle\" font-weight=\"600\">\u2191 ${treads2} \u043f\u0440.<\/text>`;\n  el += `<text x=\"${m2x + m2w + 8}\" y=\"${m2y + m2h\/2}\" font-size=\"10\" fill=\"#9B8F80\">L\u2082 = ${L2}<\/text>`;\n\n  el += `<text x=\"${m1x}\" y=\"${m1y + m1h + 18}\" font-size=\"10\" fill=\"#9B8F80\">W = ${W} \u043c\u043c<\/text>`;\n  el += `<text x=\"${Ws - 10}\" y=\"${HTs - 10}\" font-size=\"10\" fill=\"#9B8F80\" text-anchor=\"end\">\u0412\u0438\u0434 \u0437\u0432\u0435\u0440\u0445\u0443 (\u043f\u043b\u0430\u043d)<\/text>`;\n\n  svg.innerHTML = el;\n}\n\ndocument.querySelectorAll('.calc-inputs input, .calc-inputs select').forEach(el => {\n  el.addEventListener('input', calculate);\n  el.addEventListener('change', calculate);\n});\ncalculate();\n<\/script>\n\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":65891,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"yasr_overall_rating":0,"yasr_post_is_review":"","yasr_auto_insert_disabled":"","yasr_review_type":"","footnotes":""},"class_list":["post-65838","page","type-page","status-publish","has-post-thumbnail","hentry"],"translation":{"provider":"WPGlobus","version":"2.10.3","language":"uk","enabled_languages":["ru","uk"],"languages":{"ru":{"title":true,"content":true,"excerpt":false},"uk":{"title":false,"content":false,"excerpt":false}}},"yasr_visitor_votes":{"stars_attributes":{"read_only":false,"span_bottom":false},"number_of_votes":0,"sum_votes":0},"_links":{"self":[{"href":"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/uk\/wp-json\/wp\/v2\/pages\/65838","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/uk\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/uk\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/uk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/uk\/wp-json\/wp\/v2\/comments?post=65838"}],"version-history":[{"count":1,"href":"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/uk\/wp-json\/wp\/v2\/pages\/65838\/revisions"}],"predecessor-version":[{"id":65881,"href":"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/uk\/wp-json\/wp\/v2\/pages\/65838\/revisions\/65881"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/uk\/wp-json\/wp\/v2\/media\/65891"}],"wp:attachment":[{"href":"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/uk\/wp-json\/wp\/v2\/media?parent=65838"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}