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.unit{font-size:12px;color:var(--muted);margin-left:auto}.price-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.price-card{border:1px solid var(--line);border-radius:8px;padding:24px;background:#fff;transition:border-color .2s,box-shadow .2s}.price-card:hover{border-color:#9ab6ec;box-shadow:0 10px 30px #294d7b0c}.term{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:18px}.term h3{font-size:28px;font-weight:700}.term h3 span{font-size:15px;margin-left:5px}.term>span{font-size:12px;color:var(--muted)}.oil-price,.electric-price{display:flex;align-items:center;justify-content:space-between;gap:8px}.oil-price>span,.electric-price>span{font-size:13px;color:var(--muted)}.oil-price strong{font-size:34px;color:var(--blue);font-weight:700;letter-spacing:-1px}.price-card small{font-size:12px;font-weight:400;letter-spacing:0;margin-left:5px}.electric-price{margin-top:8px}.electric-price 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p{color:var(--muted);margin-top:14px;font-size:14px}.reading{max-width:900px}.reading h2,.detail-main h2{font-size:25px;margin:28px 0 16px}.reading p,.reading li,.detail-main p{color:var(--muted)}.related{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:28px 0}.related a{padding:18px;background:var(--pale);display:flex;justify-content:space-between;font-size:14px;border-radius:5px}.detail-layout{display:grid;grid-template-columns:2fr 1fr;gap:70px}.detail-price{font-size:72px;letter-spacing:-3px;color:var(--blue);font-weight:700;margin:15px 0}.detail-price span{font-size:18px;letter-spacing:0;margin-left:15px;font-weight:400}.comparison{padding:18px 24px;background:var(--pale);display:flex;justify-content:space-between;margin:24px 0;border-radius:5px}.detail-main .button{margin-top:30px}aside{border:1px solid var(--line);border-radius:8px;padding:28px;align-self:start}aside> a{display:block;font-size:14px;color:var(--blue);margin-top:15px}aside .related{grid-template-columns:1fr}.contact-services{grid-template-columns:1fr 1fr;margin:30px 0}
@media(min-width:1500px){.hero-grid{padding-top:80px;padding-bottom:78px}}
@media(max-width:1200px){.container{width:calc(100% - 64px)}.header-inner{gap:20px}nav{gap:16px}.header-phone{display:none}.hero-grid{gap:40px}.hero h1{font-size:48px}.price-card{padding:20px}.oil-price strong{font-size:30px}.service-grid{gap:16px}.service-grid article{padding:24px 20px}.advantage-layout{gap:55px}}
@media(max-width:900px){.container{width:calc(100% - 40px)}header{height:78px}.brand>span{font-size:20px}.menu-toggle{display:flex;margin-left:auto;border:1px solid var(--line);border-radius:5px;background:white;width:42px;height:40px;align-items:center;justify-content:center;flex-direction:column;gap:5px}.menu-toggle span{width:18px;height:2px;background:var(--navy)}#nav{display:none;position:absolute;left:0;right:0;top:78px;background:white;margin:0;padding:20px;box-shadow:0 12px 20px #142b5010;flex-direction:column;align-items:stretch;gap:0}#nav.open{display:flex}#nav a{padding:10px 0}#nav a[aria-current]:after{display:none}.hero-grid{gap:25px}.hero h1{font-size:43px}.hero-sub{font-size:14px}.hero-art{padding:20px}.hero-logo{height:230px}.art-caption strong{font-size:14px}.art-year{font-size:28px}.hero-trust{gap:13px}.price-grid{grid-template-columns:repeat(2,1fr)}.section{padding:64px 0}.service-grid{grid-template-columns:repeat(2,1fr)}.advantage-layout{gap:40px}.section-head h2{font-size:28px}.about-grid{gap:40px}.faq-layout{gap:35px}.contact-panel{padding:35px;gap:25px}.big-phone{font-size:28px}.footer-grid{gap:30px}.detail-layout{gap:30px}}
@media(max-width:600px){html{scroll-padding-top:92px}body{padding-bottom:68px}.container{width:calc(100% - 40px)}.hero-grid{grid-template-columns:1fr;padding-top:36px;padding-bottom:38px;gap:30px}.hero-label{margin-bottom:20px;font-size:12px}.hero h1{font-size:42px;letter-spacing:-1.5px}.hero h1 br{display:none}.hero h1 span{display:block}.hero-sub{font-size:15px;max-width:320px;line-height:1.9;margin-top:18px}.hero-copy{font-size:14px}.hero-actions{margin-top:22px;gap:10px}.button{padding:11px 18px;gap:12px;min-height:48px}.hero-trust{margin-top:22px;gap:20px}.hero-art{display:none}.section{padding:48px 0}.section-head{margin-bottom:26px}.section-head h2{font-size:26px;letter-spacing:-.5px}.section-head p{font-size:14px}.eyebrow{font-size:11px;letter-spacing:1.5px;margin-bottom:12px}.price-key{gap:14px;flex-wrap:wrap;margin-bottom:18px}.price-key>span{font-size:13px}.price-key small{display:none}.price-key .unit{font-size:10px}.price-grid{gap:12px}.price-card{padding:16px 14px}.term{padding-bottom:12px;margin-bottom:12px}.term h3{font-size:26px}.term>span{font-size:10px}.oil-price{align-items:flex-start;flex-direction:column;gap:0}.oil-price strong{font-size:32px;line-height:1.5}.electric-price strong{font-size:18px}.price-card small{font-size:10px;margin-left:3px}.price-card p{font-size:11px;margin-top:17px;min-height:38px}.price-card>a{font-size:12px;gap:4px;margin-top:8px}.price-card>a svg{width:14px}.price-note{font-size:11px;line-height:1.9}.service-grid{gap:12px}.service-grid article{padding:20px 16px}.service-top{margin-bottom:22px}.service-grid h3{font-size:16px}.service-grid p{font-size:13px}.service-grid a{font-size:12px}.icon-box{width:40px;height:40px}.advantage-layout{grid-template-columns:1fr;gap:30px}.advantage-grid{gap:26px}.advantage-grid p{font-size:13px}.case-empty{padding:24px 20px;gap:16px;flex-wrap:wrap}.case-empty>div{flex:1;min-width:180px}.case-empty h3{font-size:17px}.case-empty p{font-size:13px}.case-empty>a{margin:4px 0 0 56px;font-size:13px}.about-grid{grid-template-columns:1fr;gap:30px}.about-mark{padding:24px}.about-mark .logo{width:185px;height:153px}.about-mark>span{margin-top:12px;font-size:11px}.about-tags{gap:14px}.about-tags span{padding-right:14px}.faq-layout{grid-template-columns:1fr;gap:30px}.faq-layout .section-head{margin-bottom:18px}summary{font-size:14px;padding:19px 0}details p{font-size:14px;padding-right:0}.contact-panel{padding:30px 25px;display:block}.contact-panel h2{font-size:30px}.contact-panel p{margin-top:14px}.contact-action{margin-top:28px}.big-phone{font-size:30px;letter-spacing:0}.contact-action small{font-size:11px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}.footer-grid>div:last-child{grid-column:1/-1}.footer-grid>div:last-child a{display:inline-block;margin-right:20px}.footer-bottom{display:block;font-size:10px;margin-top:28px}.footer-bottom span{display:block;margin-top:7px}.mobile-call{display:flex;position:fixed;bottom:0;left:0;right:0;background:var(--blue);color:white;z-index:30;min-height:62px;padding:14px 20px calc(14px + env(safe-area-inset-bottom));align-items:center;gap:10px;box-shadow:0 -4px 15px #142b5015}.mobile-call span{font-size:14px}.mobile-call strong{font-size:19px;margin-left:auto}.inner-hero{padding:24px 0 35px}.inner-hero h1{font-size:30px}.inner-hero p{font-size:13px}.breadcrumb{font-size:11px;margin-bottom:20px}.detail-layout{grid-template-columns:1fr}.detail-price{font-size:64px}.detail-price span{font-size:15px}.detail-main h2,.reading h2{font-size:22px}.comparison{padding:15px;font-size:14px}.related{gap:10px}.related a{padding:14px;font-size:12px}.contact-services{grid-template-columns:1fr}.reading ol{padding-left:22px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
.assurance-section{background:linear-gradient(180deg,#fff,#f8faff)}.assurance-heading{text-align:center;margin-bottom:42px}.assurance-heading h2{font-size:34px;letter-spacing:-1px}.assurance-heading p{margin-top:14px;color:var(--muted);font-size:16px}.heading-rule{display:block;width:64px;height:4px;border-radius:3px;background:var(--blue);margin:26px auto 0}.assurance-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.assurance-card{background:white;border:1px solid var(--line);border-radius:16px;padding:36px;box-shadow:0 12px 38px #142b5006}.assurance-card-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}.assurance-icon{display:flex;align-items:center;justify-content:center;width:54px;height:54px;border-radius:14px;background:#eaf1ff;color:var(--blue)}.assurance-icon svg{width:27px;height:27px}.assurance-label{color:#6a81a3;font-size:13px;letter-spacing:1px}.assurance-card h3{font-size:25px;font-weight:700}.assurance-intro{font-size:14px;color:var(--muted);margin-top:10px}.assurance-card ul{list-style:none;margin:26px 0 28px;padding:0;display:grid;gap:17px}.assurance-card li{display:flex;align-items:flex-start;gap:12px;font-size:16px;color:#4e607a}.assurance-card li svg{width:19px;height:19px;margin-top:5px;color:var(--blue)}.assurance-card .text-link{border-top:1px solid var(--line);padding-top:22px;display:flex;justify-content:space-between}@media(max-width:900px){.assurance-card{padding:26px}.assurance-card h3{font-size:22px}.assurance-card li{font-size:14px}}@media(max-width:600px){.assurance-heading h2{font-size:25px;letter-spacing:-.5px}.assurance-heading p{font-size:13px;line-height:1.9;max-width:290px;margin:12px auto 0}.assurance-heading{margin-bottom:28px}.assurance-grid{grid-template-columns:1fr;gap:18px}.assurance-card{padding:25px 22px}.assurance-card h3{font-size:22px}.assurance-intro{font-size:13px}.assurance-card li{font-size:14px}.assurance-card ul{gap:15px;margin:23px 0}.assurance-card-top{margin-bottom:20px}.assurance-label{font-size:12px}}
.hero-prices{display:flex;flex-wrap:wrap;align-items:baseline;gap:18px;margin-top:22px;font-size:13px}.hero-prices>span:first-child{color:var(--muted);font-size:12px}.hero-prices strong{color:var(--blue);font-size:23px;letter-spacing:-.5px}.hero-prices small{font-size:10px;margin-left:3px}.hero-grid{padding-top:42px;padding-bottom:42px}.hero-actions{margin-top:22px}.hero-trust{margin-top:22px}@media(max-width:600px){.hero-prices{gap:14px;margin-top:18px}.hero-prices>span:first-child{flex-basis:100%;margin-bottom:-9px}.hero-prices strong{font-size:22px}.hero-grid{padding-top:30px;padding-bottom:30px}}
.hero-art .hero-logo{width:250px;height:202px;margin:10px auto 24px}.hero-art .art-caption{display:block;padding-top:24px;font-size:16px;line-height:1.9}.hero-art .art-caption>span:first-child{display:block}.hero-art .art-caption strong{display:block;font-size:25px;font-weight:700;line-height:1.5;margin-bottom:10px}.hero-art .art-caption br{display:none}.hero-art .art-year{display:block;text-align:right;font-size:20px;line-height:1.4;margin-top:12px}@media(min-width:601px) and (max-width:1000px){.hero-art .hero-logo{width:210px;height:170px}.hero-art .art-caption strong{font-size:22px}.hero-art .art-caption{font-size:15px}}
.header-phone{font-size:22px;font-weight:800;gap:10px;letter-spacing:.2px}.header-phone svg{width:20px;height:20px}@media(max-width:600px){.mobile-call{min-height:70px;gap:8px}.mobile-call span{font-size:15px;font-weight:600}.mobile-call strong{font-size:25px;font-weight:800;letter-spacing:.2px;white-space:nowrap}body{padding-bottom:calc(76px + env(safe-area-inset-bottom))}}@media(max-width:359px){.mobile-call{padding-left:14px;padding-right:14px;gap:6px}.mobile-call strong{font-size:23px;letter-spacing:0}.mobile-call span{font-size:14px}.mobile-call svg{width:18px;height:18px}}
/* Larger reading sizes, with compact navigation spacing at intermediate widths. */
body{font-size:17px}#nav>a{font-size:17px;font-weight:500}.brand small{font-size:12px;letter-spacing:.3px}.hero-sub{font-size:18px}.hero-copy{font-size:17px}.button{font-size:16px}.hero-trust{font-size:14px}.hero-prices{font-size:15px}.hero-prices>span:first-child{font-size:14px}.hero-prices small{font-size:12px}.section-head p{font-size:17px}.eyebrow{font-size:13px}.price-key{font-size:16px}.price-key small,.price-key .unit,.term>span,.price-note{font-size:14px}.oil-price>span,.electric-price>span{font-size:15px}.price-card p,.price-card>a{font-size:15px}.price-card small{font-size:13px}.advantage-layout>div>p,.advantage-grid p,.about-grid p{font-size:17px}.about-tags{font-size:15px}.about-mark>span{font-size:14px}.assurance-heading p,.assurance-intro,.assurance-card li{font-size:17px}.assurance-label{font-size:14px}.text-link{font-size:16px}summary{font-size:18px}details p{font-size:17px}.contact-panel p{font-size:17px}.contact-action>span,.contact-action small{font-size:14px}.footer-grid h3,.footer-grid a,.footer-brand p{font-size:15px}.footer-bottom{font-size:13px}.inner-hero p{font-size:16px}.breadcrumb,.breadcrumb a{font-size:14px}.related a,aside>a{font-size:16px}
@media(min-width:901px) and (max-width:1350px){#nav{gap:16px}.header-inner{gap:20px}}
@media(max-width:900px){#nav>a{font-size:18px;padding:12px 0}}
@media(max-width:600px){body{font-size:16px}.brand small{font-size:11px}.hero-label{font-size:13px}.hero-sub{font-size:16px}.hero-copy{font-size:16px}.hero-trust{font-size:13px;gap:16px}.hero-prices{gap:12px;font-size:14px}.hero-prices small{font-size:12px}.section-head p,.about-grid p,.assurance-intro,.assurance-card li,.contact-panel p,.advantage-grid p,.advantage-layout>div>p{font-size:16px}.price-key>span{font-size:15px}.price-key .unit{font-size:12px}.term>span{font-size:12px}.price-card p,.price-card>a{font-size:14px}.price-card small{font-size:12px}.price-note{font-size:13px}.electric-price{flex-wrap:wrap;gap:2px 8px}.about-mark>span{font-size:13px}.assurance-heading p{font-size:15px}.assurance-label{font-size:13px}summary{font-size:16px}details p{font-size:16px}.footer-bottom{font-size:12px}.related a{font-size:14px}.breadcrumb,.breadcrumb a{font-size:12px}.inner-hero p{font-size:15px}}
.hero-art .hero-logo{width:185px;height:150px;margin:6px auto 22px}.hero-art .art-caption{padding-top:24px;font-size:18px;line-height:1.85}.hero-art .art-caption strong{font-size:34px;line-height:1.45;font-weight:800;margin-bottom:14px;letter-spacing:.2px}.hero-art .art-caption strong .brand-slogan-break{display:block}.hero-art .art-year{font-size:18px;margin-top:16px}@media(min-width:601px) and (max-width:1000px){.hero-art .hero-logo{width:155px;height:126px}.hero-art .art-caption strong{font-size:29px}.hero-art .art-caption{font-size:17px}}
.hero-art.brand-card{transform:none;padding:32px 30px 0;text-align:center;border:1px solid #dbe5f4;border-radius:16px;background:#fff;box-shadow:0 16px 44px #142b5008;overflow:hidden}.hero-art.brand-card .hero-logo{width:155px;height:126px;margin:0 auto 26px}.brand-message p{font-size:22px;font-weight:500;letter-spacing:2px;color:#556b8b;margin:0 0 8px}.brand-message h2{font-size:36px;line-height:1.4;font-weight:800;letter-spacing:-.5px}.brand-message h2 span{color:var(--blue);margin-left:3px}.brand-reasons{display:grid;grid-template-columns:repeat(3,1fr);margin:32px -30px 0;padding:20px 16px;background:#f5f8fe;border-top:1px solid #e7eef9;color:#526887;font-size:15px;font-weight:500;line-height:1.6}.brand-reasons span+span{border-left:1px solid #dbe5f4}@media(min-width:601px) and (max-width:1000px){.hero-art.brand-card{padding:28px 20px 0}.hero-art.brand-card .hero-logo{width:135px;height:110px;margin-bottom:22px}.brand-message p{font-size:19px}.brand-message h2{font-size:30px}.brand-reasons{margin:28px -20px 0;padding:17px 8px;font-size:13px}}@media(min-width:601px) and (max-width:720px){.brand-message h2{font-size:27px}.brand-reasons{font-size:12px}}