:root{--ink:#171913;--muted:#66695e;--yellow:#f8b900;--soft:#fff3c8;--cream:#f7f4ec;--green:#173f36;--line:#deddd5}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif}a{color:inherit;text-decoration:none}main{overflow:hidden}.site-header{height:90px;max-width:1240px;margin:auto;padding:0 28px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #eee}.brand img{width:150px;height:62px;object-fit:contain}nav{display:flex;gap:38px;font-size:15px;font-weight:600}.header-phone{padding:13px 20px;border:1px solid;border-radius:999px;font-size:14px;font-weight:700}.hero{max-width:1240px;min-height:650px;margin:auto;padding:76px 28px;display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:70px;position:relative}.hero:before{content:"";position:absolute;z-index:-1;width:430px;height:430px;border-radius:50%;background:var(--soft);right:-140px;top:60px}.eyebrow{letter-spacing:2px;font-size:13px;font-weight:800;color:#756025;display:flex;align-items:center;gap:10px}.eyebrow span{width:32px;height:2px;background:var(--yellow);display:inline-block}.hero h1{margin:20px 0 22px;font-size:clamp(48px,6vw,78px);line-height:1.12;letter-spacing:-3px;font-weight:900}.hero h1 em{color:#bd8200;font-style:normal}.hero-lead{font-size:18px;line-height:1.85;color:var(--muted);max-width:630px}.hero-actions{display:flex;align-items:center;gap:28px;margin:34px 0 18px}.primary-button{background:var(--yellow);padding:17px 28px;border-radius:8px;font-weight:800;box-shadow:0 10px 25px #f8b90040}.text-button{font-weight:700}.microcopy{font-size:12px;color:#8a8c83}.hero-card{background:var(--green);color:#fff;border-radius:24px;padding:30px;box-shadow:24px 24px 0 var(--soft)}.hero-card-top{display:flex;align-items:center;gap:10px;font-weight:700;padding-bottom:22px;border-bottom:1px solid #ffffff29}.hero-card-top i{margin-left:auto;font-size:12px;font-style:normal;color:#75e6a2}.mini-mark{width:34px;height:34px;display:grid;place-items:center;background:var(--yellow);color:#111;border-radius:10px;font-weight:900}.hero-card>p{margin:26px 0 16px;color:#cbd8d3}.topic-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.topic-grid a{padding:16px;border:1px solid #ffffff29;border-radius:12px;font-size:14px}.topic-grid b{float:right;color:var(--yellow)}.phone-panel{margin-top:24px;background:#fff;color:var(--ink);border-radius:14px;padding:18px 20px;display:flex;align-items:center;justify-content:space-between}.phone-panel small{color:var(--muted)}.phone-panel strong{font-size:21px}.trust-strip{background:var(--cream);border-block:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);padding:0 calc((100% - 1184px)/2)}.trust-strip span{padding:24px 28px;color:#b88609;border-right:1px solid var(--line);font-size:13px}.trust-strip b{color:var(--ink);margin-left:12px}.section{max-width:1240px;margin:auto;padding:110px 28px}.section-heading{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:end;margin-bottom:48px}.section-heading h2,.process h2,.safety h2{font-size:clamp(34px,4vw,52px);line-height:1.22;letter-spacing:-2px;margin:18px 0 0}.section-heading>p{color:var(--muted);line-height:1.9;max-width:500px}.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.service-card{border:1px solid var(--line);padding:34px 30px;border-radius:16px;transition:.2s}.service-card:hover{transform:translateY(-6px);border-color:var(--yellow);box-shadow:0 18px 45px #29241414}.service-card>span{color:#b88609;font-family:Georgia;font-size:14px}.service-card h3{font-size:22px;margin:42px 0 15px}.service-card p{color:var(--muted);line-height:1.8;min-height:96px}.service-card a{font-size:14px;font-weight:800}.process{max-width:none;background:var(--green);color:#fff;display:grid;grid-template-columns:.9fr 1.1fr;gap:80px;padding-left:max(28px,calc((100% - 1184px)/2));padding-right:max(28px,calc((100% - 1184px)/2))}.eyebrow.light{color:#e6cf83}.process-intro>p:not(.eyebrow){color:#b9cbc4;line-height:1.9;max-width:480px}.process-intro>a{display:inline-block;margin-top:24px;color:var(--yellow);font-size:20px;font-weight:800}.steps{list-style:none;margin:0;padding:0}.steps li{display:grid;grid-template-columns:54px 1fr;gap:18px;padding:20px 0;border-bottom:1px solid #ffffff29}.steps li>span{color:var(--yellow);font-family:Georgia;font-size:17px;padding-top:4px}.steps h3{margin:0 0 7px;font-size:20px}.steps p{margin:0;color:#b9cbc4}.safety{display:grid;grid-template-columns:1.25fr .75fr;gap:24px}.safety-card{background:var(--cream);padding:52px;border-radius:20px}.safety-card>p:not(.eyebrow){color:var(--muted);line-height:1.9}.safety-card ul{padding:0;margin:30px 0 0;list-style:none}.safety-card li{padding:15px 0 15px 28px;border-top:1px solid var(--line);position:relative}.safety-card li:before{content:"✓";position:absolute;left:0;color:#ae7900;font-weight:900}.quote-card{background:var(--yellow);padding:52px 42px;border-radius:20px;display:flex;flex-direction:column;justify-content:space-between}.quote-card>span{font-size:13px;font-weight:800;letter-spacing:2px}.quote-card blockquote{margin:40px 0;font-size:36px;line-height:1.35;font-weight:900}.quote-card p{font-size:13px;line-height:1.7}.section-heading.compact{grid-template-columns:1fr;margin-bottom:35px}.faq-list{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line)}summary{display:grid;grid-template-columns:55px 1fr 30px;align-items:center;padding:27px 5px;cursor:pointer;font-size:19px;font-weight:800;list-style:none}summary::-webkit-details-marker{display:none}summary span{color:#b88609;font-size:13px}summary b{font-size:24px;font-weight:400}details[open] summary b{transform:rotate(45deg)}details>p{margin:0 55px 28px;color:var(--muted);line-height:1.9;max-width:850px}.final-cta{max-width:1184px;margin:0 auto 100px;background:#171913;color:#fff;border-radius:22px;padding:35px 42px;display:grid;grid-template-columns:120px 1fr auto;gap:28px;align-items:center}.final-cta img{width:110px;height:82px;object-fit:contain;background:#fff;border-radius:12px}.final-cta p{color:#b9bbb2;margin:0 0 8px}.final-cta h2{margin:0;font-size:28px}.final-cta>a{background:var(--yellow);color:#15170f;padding:16px 24px;border-radius:10px;font-size:22px;font-weight:900}.final-cta small{display:block;font-size:11px;margin-bottom:3px}footer{background:var(--cream);padding:60px max(28px,calc((100% - 1184px)/2)) 28px;display:grid;grid-template-columns:2fr 1fr 1fr;gap:50px}.footer-brand img{width:155px;height:72px;object-fit:contain}footer>div:not(.footer-brand){display:flex;flex-direction:column;gap:12px;font-size:14px}footer span,footer p{color:var(--muted);line-height:1.7}.footer-note,.copyright{grid-column:1/-1}.footer-note{border-top:1px solid var(--line);padding-top:24px;font-size:12px}.copyright{margin:0;font-size:12px}.mobile-call{display:none}
@media(max-width:900px){nav{display:none}.hero{grid-template-columns:1fr;gap:35px;padding-top:55px}.trust-strip{grid-template-columns:1fr 1fr;padding:0}.service-grid,.process,.safety,.section-heading{grid-template-columns:1fr}.section-heading{gap:10px}.service-card p{min-height:0}.final-cta{margin-inline:28px;grid-template-columns:90px 1fr}.final-cta>a{grid-column:1/-1;text-align:center}}
@media(max-width:600px){body{padding-bottom:70px}.site-header{height:74px;padding:0 18px}.brand img{width:118px;height:54px}.header-phone{font-size:0;padding:10px 13px}.header-phone:after{content:"电话咨询";font-size:13px}.hero{padding:46px 20px 62px;min-height:auto}.hero h1{font-size:43px;letter-spacing:-2px}.hero-lead{font-size:16px}.hero-actions{align-items:flex-start;flex-direction:column;gap:18px}.hero-card{padding:22px;box-shadow:10px 10px 0 var(--soft)}.topic-grid{grid-template-columns:1fr}.phone-panel{align-items:flex-start;flex-direction:column;gap:5px}.trust-strip span{padding:18px 15px}.trust-strip b{display:block;margin:5px 0 0}.section{padding:76px 20px}.section-heading h2,.process h2,.safety h2{font-size:36px}.service-card{padding:28px 24px}.service-card h3{margin-top:28px}.process{gap:40px}.safety-card,.quote-card{padding:34px 25px}summary{grid-template-columns:38px 1fr 24px;font-size:16px}details>p{margin:0 20px 24px 38px}.final-cta{margin:0 20px 70px;padding:28px 24px;grid-template-columns:70px 1fr}.final-cta img{width:70px;height:60px}.final-cta h2{font-size:22px}.final-cta>a{font-size:20px}footer{grid-template-columns:1fr;padding:48px 24px 30px;gap:28px}.footer-note,.copyright{grid-column:auto}.mobile-call{display:flex;position:fixed;z-index:30;bottom:0;left:0;right:0;height:66px;background:var(--yellow);align-items:center;justify-content:center;gap:10px;font-size:14px;box-shadow:0 -6px 20px #0002}.mobile-call strong{font-size:18px}}
.company-story{display:grid;grid-template-columns:.82fr 1.18fr;gap:90px;background:linear-gradient(130deg,#fff 0,#fff 58%,#fff9e7 100%)}.story-title h2{font-size:clamp(40px,5vw,62px);line-height:1.18;letter-spacing:-2px;margin:18px 0}.story-title em{font-style:normal;color:#b77b00}.story-copy{border-left:1px solid var(--line);padding-left:55px}.story-copy p{font-size:17px;line-height:2;color:#4e5148;margin:0 0 20px}.story-copy strong{color:var(--green)}
.detail-section{padding-top:10px;display:grid;grid-template-columns:1fr 1fr;gap:24px}.detail-card{border-radius:22px;padding:42px;display:grid;grid-template-columns:66px 1fr;gap:22px}.detail-card.electric{background:#effaf2}.detail-card.fuel{background:#fff5e9}.detail-icon{width:58px;height:58px;border-radius:16px;display:grid;place-items:center;background:var(--green);color:#fff;font-size:25px;font-weight:900}.fuel .detail-icon{background:#b86414}.detail-tag{margin:0;color:#567065;font-size:13px;font-weight:800;letter-spacing:1px}.detail-card h2{margin:8px 0 18px;font-size:32px}.detail-card>div>p:not(.detail-tag){color:var(--muted);line-height:1.9}.detail-card ul{list-style:none;padding:0;margin:24px 0 0}.detail-card li{padding:11px 0;border-top:1px solid #00000014;font-weight:700}.detail-card li:before{content:"✓";color:#168354;margin-right:10px}
.promise-section{background:var(--cream);max-width:none;padding-left:max(28px,calc((100% - 1184px)/2));padding-right:max(28px,calc((100% - 1184px)/2))}.promise-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.promise-grid article{background:#fff;border:1px solid #ebe7db;border-radius:16px;padding:28px;min-height:210px}.promise-grid article:first-child{background:var(--yellow)}.promise-grid span{font-family:Georgia;color:#9a770e}.promise-grid h3{font-size:20px;margin:34px 0 12px}.promise-grid p{color:var(--muted);line-height:1.7;margin:0;font-size:14px}
.team-section{max-width:none;background:var(--green);color:#fff;padding-left:max(28px,calc((100% - 1184px)/2));padding-right:max(28px,calc((100% - 1184px)/2))}.team-copy{display:grid;grid-template-columns:1fr .8fr;gap:70px;align-items:end;margin-bottom:50px}.team-copy h2{font-size:clamp(38px,4vw,54px);line-height:1.22;margin:18px 0 0}.team-copy>p:not(.eyebrow){color:#b9cbc4;line-height:1.9}.role-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.role-grid article{border:1px solid #ffffff29;border-radius:16px;padding:26px 20px}.role-grid i{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:var(--yellow);color:#171913;font-style:normal;font-weight:900}.role-grid h3{margin:28px 0 10px;font-size:19px}.role-grid p{color:#b9cbc4;line-height:1.7;font-size:13px}
.reliable-guide{display:grid;grid-template-columns:.7fr 1.3fr;gap:80px}.reliable-guide h2{font-size:clamp(38px,4vw,54px);line-height:1.22;margin:18px 0}.guide-list{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);border-left:1px solid var(--line)}.guide-list article{padding:30px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.guide-list b{color:#b88609;font-family:Georgia}.guide-list h3{font-size:22px;margin:25px 0 10px}.guide-list p{color:var(--muted);line-height:1.7;margin:0}
@media(max-width:900px){.company-story,.detail-section,.team-copy,.reliable-guide{grid-template-columns:1fr}.story-copy{border-left:0;border-top:1px solid var(--line);padding:35px 0 0}.promise-grid{grid-template-columns:1fr 1fr}.role-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.story-copy p{font-size:16px}.detail-card{padding:28px 22px;grid-template-columns:1fr}.promise-grid,.role-grid,.guide-list{grid-template-columns:1fr}.promise-grid article{min-height:auto}.team-copy{gap:20px}}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.news-card{border:1px solid var(--line);border-radius:18px;padding:30px;display:block;transition:.2s}.news-card:hover{transform:translateY(-5px);border-color:var(--yellow);box-shadow:0 16px 38px #28211512}.news-card>div{display:flex;justify-content:space-between;color:var(--muted);font-size:12px}.news-card>div span{color:#9a6b00;font-weight:800}.news-card>b{display:block;margin:42px 0 14px;font:18px Georgia;color:#c28a0a}.news-card h3{font-size:24px;line-height:1.45;margin:0 0 14px}.news-card p{color:var(--muted);line-height:1.8;margin:0 0 28px}.news-card em{font-style:normal;font-weight:800;font-size:14px}.faq-entry{margin-top:25px;padding:28px 32px;background:var(--cream);border-radius:15px;display:flex;align-items:center;justify-content:space-between}.faq-entry strong{font-size:20px}.faq-entry p{margin:6px 0 0;color:var(--muted)}.faq-entry>a{padding:13px 20px;background:var(--green);color:#fff;border-radius:8px;font-weight:700}
.inner-page{min-height:100vh}.article-shell{max-width:860px;margin:0 auto;padding:85px 28px}.back-link{font-size:14px;color:#8a6a16;font-weight:700}.article-meta{margin:50px 0 18px;display:flex;gap:16px;color:var(--muted);font-size:13px}.article-meta span{color:#9a6b00;font-weight:800}.article-shell h1{font-size:clamp(38px,5vw,60px);line-height:1.24;letter-spacing:-2px;margin:0 0 25px}.article-lead{font-size:20px;line-height:1.85;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:38px}.article-body{padding-top:25px}.article-body>p{font-size:18px;line-height:2.05;color:#383b34;margin:0 0 25px}.article-tip{background:var(--soft);border-left:5px solid var(--yellow);padding:26px 30px;margin-top:40px}.article-tip p{margin:8px 0 0;line-height:1.8}.related{max-width:1184px;margin:0 auto;padding:20px 28px 100px}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}.related-grid a{border:1px solid var(--line);border-radius:15px;padding:25px}.related-grid small{color:#9a6b00}.related-grid h3{line-height:1.55}.related-grid b{font-size:13px}.faq-hero{max-width:1184px;margin:auto;padding:90px 28px 55px}.faq-hero h1{font-size:clamp(45px,6vw,72px);line-height:1.17;letter-spacing:-3px;margin:20px 0}.faq-hero em{color:#b77b00;font-style:normal}.faq-hero>p:last-child{color:var(--muted);font-size:18px;line-height:1.8}.faq-page-list{max-width:1000px;margin:0 auto;padding:10px 28px 100px}.faq-contact{max-width:1184px;margin:0 auto 100px;background:var(--green);color:#fff;border-radius:20px;padding:40px 45px;display:flex;justify-content:space-between;align-items:center}.faq-contact small{color:#d9ca92}.faq-contact h2{font-size:32px;margin:8px 0}.faq-contact p{color:#b9cbc4;margin:0}.faq-contact>a{background:var(--yellow);color:var(--ink);padding:18px 25px;border-radius:10px;font-size:22px;font-weight:900}
@media(max-width:900px){.news-grid{grid-template-columns:1fr}.related-grid{grid-template-columns:1fr}.faq-contact{margin-inline:28px;align-items:flex-start;flex-direction:column;gap:25px}}
@media(max-width:600px){.news-card{padding:24px}.faq-entry{align-items:flex-start;flex-direction:column;gap:20px}.article-shell{padding:60px 20px}.article-lead{font-size:17px}.article-body>p{font-size:16px}.faq-hero{padding:60px 20px 35px}.faq-page-list{padding-inline:20px}.faq-contact{margin:0 20px 70px;padding:30px 24px}.faq-contact h2{font-size:26px}}
.latest-section{max-width:1184px;margin:0 auto 100px;padding:50px 28px;display:grid;grid-template-columns:.6fr 1.4fr;gap:70px;background:var(--cream);border-radius:22px}.latest-heading h2{font-size:38px;margin:17px 0 12px}.latest-heading>p:last-child{color:var(--muted);line-height:1.8}.latest-list{border-top:1px solid var(--line)}.latest-list>a{display:grid;grid-template-columns:42px 1fr auto;gap:18px;align-items:center;padding:18px 4px;border-bottom:1px solid var(--line)}.latest-list>a:hover h3{color:#a87300}.latest-list>a.current{background:#fff7d8;padding-inline:14px}.latest-list>a>b{color:#b88609;font:14px Georgia}.latest-list span{color:var(--muted);font-size:12px}.latest-list h3{font-size:16px;margin:5px 0;line-height:1.45}.latest-list em{font-size:12px;font-style:normal;font-weight:700;color:#8a6510}
@media(max-width:900px){.latest-section{margin-inline:28px;grid-template-columns:1fr;gap:25px}}
@media(max-width:600px){.latest-section{margin:0 20px 70px;padding:35px 20px}.latest-list>a{grid-template-columns:30px 1fr}.latest-list em{display:none}}
.news-detail-layout{max-width:1240px;margin:0 auto;padding:70px 28px 45px;display:grid;grid-template-columns:minmax(0,1fr) 390px;gap:55px;align-items:start}.news-detail-layout .article-shell{max-width:none;margin:0;padding:15px 0}.news-detail-layout .latest-section{display:block;width:auto;margin:0;padding:28px 24px;position:sticky;top:24px;border-radius:18px}.news-detail-layout .latest-heading h2{font-size:27px;margin:12px 0 22px}.news-detail-layout .latest-list>a{grid-template-columns:28px 1fr;gap:10px;padding:13px 3px}.news-detail-layout .latest-list>a.current{padding-inline:8px}.news-detail-layout .latest-list h3{font-size:14px;margin:4px 0}.news-detail-layout .latest-list em{display:none}.news-detail-layout .article-shell h1{font-size:clamp(38px,4vw,58px)}
@media(max-width:1000px){.news-detail-layout{grid-template-columns:1fr}.news-detail-layout .latest-section{position:static}.news-detail-layout .latest-list{display:grid;grid-template-columns:1fr 1fr;column-gap:20px}}
@media(max-width:600px){.news-detail-layout{padding:45px 20px 25px}.news-detail-layout .latest-section{margin:0;padding:28px 20px}.news-detail-layout .latest-list{grid-template-columns:1fr}}
.breadcrumb{max-width:1240px;margin:35px auto 0;padding:0 28px;color:var(--muted);font-size:13px}.breadcrumb a{color:#986c05}.article-pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:45px;padding-top:30px;border-top:1px solid var(--line)}.article-pager>div{display:flex;flex-direction:column;gap:8px}.article-pager>div:last-child{text-align:right}.article-pager small{color:#a47407;font-weight:800}.article-pager a{font-weight:700;line-height:1.6}.article-pager span{color:var(--muted)}.news-archive{max-width:1184px;margin:0 auto;padding:20px 28px 100px;display:grid;grid-template-columns:1fr 1fr;gap:20px}.news-archive .news-card>b{display:none}.news-archive .news-card h3{margin-top:35px}
@media(max-width:700px){.article-pager,.news-archive{grid-template-columns:1fr}.article-pager>div:last-child{text-align:left}.breadcrumb{padding-inline:20px}}
.header-phone{padding:16px 26px;border-width:2px;font-size:18px;font-weight:900;letter-spacing:.3px;box-shadow:0 8px 20px #17191312}
@media(max-width:600px){.header-phone{padding:12px 16px;box-shadow:none}}