/* V2 版式「全屏通栏」（yz314 专用，2026-11-02）。
   首屏占满一屏高的全幅实景图、标题居中偏下；之后每个版块是通栏色带（深 / 品牌色 / 反白交替），标题居中、内容居中；
   产品为贴边通栏的 3 列大图。只在 body.v2l-fullscreen 下生效（前缀 fs-）；颜色只用 --v2-*，照片上的字用白色。 */
body.v2l-fullscreen{background:var(--v2-white)}
body.v2l-fullscreen .fs-wrap{max-width:1200px;margin:auto;padding:0 24px}
body.v2l-fullscreen .fs-center{margin:44px 0 0;text-align:center}

/* 按钮 */
body.v2l-fullscreen .fs-btn,body.v2l-fullscreen .v2-btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 30px;border-radius:999px;border:1px solid var(--v2-brand);background:var(--v2-brand);color:var(--v2-onbrand);font-size:15px;font-weight:700;letter-spacing:.04em;transition:background .2s,color .2s}
body.v2l-fullscreen .fs-btn:hover,body.v2l-fullscreen .v2-btn:hover{background:var(--v2-brand2);border-color:var(--v2-brand2)}
body.v2l-fullscreen .fs-btn--line,body.v2l-fullscreen .v2-btn--ghost,body.v2l-fullscreen a.v2-btn--ghost{background:transparent;color:var(--v2-ink);border-color:color-mix(in srgb,var(--v2-ink) 45%,transparent)}
body.v2l-fullscreen .fs-btn--line:hover,body.v2l-fullscreen .v2-btn--ghost:hover{background:var(--v2-ink);color:var(--v2-white);border-color:var(--v2-ink)}
body.v2l-fullscreen .fs-btn--ink{background:var(--v2-white);border-color:var(--v2-white);color:var(--v2-ink)}
body.v2l-fullscreen .fs-btn--ink:hover{background:var(--v2-brand);border-color:var(--v2-brand);color:var(--v2-onbrand)}

/* 页头：内页为实色条；首页叠在首图上、透明底白字 */
body.v2l-fullscreen .fs-mast{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--v2-white) 92%,transparent);border-bottom:1px solid var(--v2-line);backdrop-filter:blur(12px)}
body.v2l-fullscreen .fs-mast__inner{display:flex;align-items:center;gap:28px;max-width:1400px;height:76px;margin:auto;padding:0 32px}
body.v2l-fullscreen .fs-mast__brand{display:flex;flex-direction:column;line-height:1.25}
body.v2l-fullscreen .fs-mast__brand b{font-size:19px;letter-spacing:.12em}
body.v2l-fullscreen .fs-mast__brand small{font-size:11px;letter-spacing:.16em;color:var(--v2-muted)}
body.v2l-fullscreen .fs-mast__links{display:flex;justify-content:center;gap:30px;flex:1;font-size:14px;letter-spacing:.08em}
body.v2l-fullscreen .fs-mast__links a{position:relative;padding:8px 0;color:var(--v2-muted)}
body.v2l-fullscreen .fs-mast__links a::after{content:"";position:absolute;left:50%;right:50%;bottom:0;height:2px;background:var(--v2-brand);transition:left .2s,right .2s}
body.v2l-fullscreen .fs-mast__links a:hover,body.v2l-fullscreen .fs-mast__links a.on{color:var(--v2-ink)}
body.v2l-fullscreen .fs-mast__links a:hover::after,body.v2l-fullscreen .fs-mast__links a.on::after{left:0;right:0}
body.v2l-fullscreen .fs-mast__tel{padding:8px 18px;border:1px solid var(--v2-brand);border-radius:999px;color:var(--v2-brand);font-weight:700;font-size:14px;white-space:nowrap}
body.v2l-fullscreen:has(.fs-hero) .fs-mast{position:absolute;left:0;right:0;background:linear-gradient(180deg,rgba(0,0,0,.55),transparent);border-bottom:1px solid rgba(255,255,255,.14);backdrop-filter:none}
body.v2l-fullscreen:has(.fs-hero) .fs-mast__brand,body.v2l-fullscreen:has(.fs-hero) .fs-mast__links a:hover,body.v2l-fullscreen:has(.fs-hero) .fs-mast__links a.on{color:#fff}
body.v2l-fullscreen:has(.fs-hero) .fs-mast__brand small,body.v2l-fullscreen:has(.fs-hero) .fs-mast__links a{color:rgba(255,255,255,.78)}
body.v2l-fullscreen:has(.fs-hero) .fs-mast__tel{border-color:rgba(255,255,255,.6);color:#fff}

/* 首屏：一屏高全幅图，文字居中偏下 */
body.v2l-fullscreen .fs-hero{position:relative;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;min-height:clamp(600px,100vh,960px);padding:150px 24px 120px;overflow:hidden;background:var(--v2-paper);text-align:center;color:#fff}
body.v2l-fullscreen .fs-hero__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
body.v2l-fullscreen .fs-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.25) 0,rgba(0,0,0,.1) 35%,rgba(0,0,0,.72) 100%)}
body.v2l-fullscreen .fs-hero--none{background:var(--v2-hero);color:var(--v2-ink)}
body.v2l-fullscreen .fs-hero--none::after{display:none}
body.v2l-fullscreen .fs-hero__copy{position:relative;z-index:1;max-width:980px}
body.v2l-fullscreen .fs-hero__brand{margin:0;font-size:15px;font-weight:700;letter-spacing:.3em}
body.v2l-fullscreen .fs-hero__brand span{display:block;margin-top:6px;font-size:12px;font-weight:400;letter-spacing:.12em;opacity:.8}
body.v2l-fullscreen .fs-hero h1{margin:22px 0 0;font-size:58px;line-height:1.16;font-weight:800;letter-spacing:.02em;text-shadow:0 2px 24px rgba(0,0,0,.35)}
body.v2l-fullscreen .fs-hero__sub{margin:20px auto 0;max-width:760px;font-size:18px;opacity:.92}
body.v2l-fullscreen .fs-hero__tags{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 26px;margin:22px 0 0;padding:0;list-style:none;font-size:14px;opacity:.88}
body.v2l-fullscreen .fs-hero__tags li::before{content:"";display:inline-block;width:6px;height:6px;margin-right:8px;border-radius:50%;background:var(--v2-brand);vertical-align:middle}
body.v2l-fullscreen .fs-hero__act{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:36px}
body.v2l-fullscreen .fs-hero .fs-btn--line{color:#fff;border-color:rgba(255,255,255,.7)}
body.v2l-fullscreen .fs-hero .fs-btn--line:hover{background:#fff;color:#111;border-color:#fff}
body.v2l-fullscreen .fs-hero--none .fs-btn--line{color:var(--v2-ink);border-color:var(--v2-line)}
body.v2l-fullscreen .fs-hero__cue{position:absolute;z-index:1;left:50%;bottom:30px;width:26px;height:42px;margin-left:-13px;border:2px solid rgba(255,255,255,.6);border-radius:14px}
body.v2l-fullscreen .fs-hero__cue i{position:absolute;left:50%;top:8px;width:4px;height:8px;margin-left:-2px;border-radius:2px;background:#fff;animation:fs-cue 1.8s infinite}
@keyframes fs-cue{0%{opacity:1;transform:translateY(0)}100%{opacity:0;transform:translateY(14px)}}

/* 通栏色带 */
body.v2l-fullscreen .fs-band{padding:110px 0;text-align:center}
body.v2l-fullscreen .fs-band--dark{background:var(--v2-white);color:var(--v2-ink)}
body.v2l-fullscreen .fs-band--deep{background:var(--v2-paper);color:var(--v2-ink)}
body.v2l-fullscreen .fs-band--brand{background:var(--v2-brand);color:var(--v2-onbrand)}
body.v2l-fullscreen .fs-band--light{background:var(--v2-ink);color:var(--v2-white)}
body.v2l-fullscreen .fs-band--flush{padding-bottom:110px}
body.v2l-fullscreen .fs-head{max-width:760px;margin:0 auto 56px}
body.v2l-fullscreen .fs-head span{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.4em;color:var(--v2-brand)}
body.v2l-fullscreen .fs-head h2{margin:14px 0 0;font-size:42px;line-height:1.25;font-weight:800;letter-spacing:.02em}
body.v2l-fullscreen .fs-head h2::after{content:"";display:block;width:48px;height:3px;margin:22px auto 0;background:currentColor;opacity:.5}
body.v2l-fullscreen .fs-head p{margin:18px 0 0;font-size:15px;opacity:.72}
body.v2l-fullscreen .fs-band--brand .fs-head span,body.v2l-fullscreen .fs-band--light .fs-head span{color:inherit;opacity:.7}
body.v2l-fullscreen .fs-band--light .fs-head span{color:color-mix(in srgb,var(--v2-brand) 55%,var(--v2-white))}

/* 企业简介：通栏宽图 + 居中正文 + 数据亮点 */
body.v2l-fullscreen .fs-pano{margin:0 0 50px}
body.v2l-fullscreen .fs-pano img{width:100%;height:auto;aspect-ratio:12/5;object-fit:cover;border-radius:var(--v2-r)}
body.v2l-fullscreen .fs-prose{max-width:820px;margin:0 auto}
body.v2l-fullscreen .fs-prose p{margin:0 0 16px;font-size:16px;line-height:2.05;color:color-mix(in srgb,var(--v2-ink) 86%,var(--v2-white))}
body.v2l-fullscreen .fs-prose b{color:var(--v2-brand2);font-weight:700}
body.v2l-fullscreen .fs-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin:56px 0 0;border-top:1px solid var(--v2-line);border-bottom:1px solid var(--v2-line)}
body.v2l-fullscreen .fs-stats div{padding:34px 16px;border-left:1px solid var(--v2-line)}
body.v2l-fullscreen .fs-stats div:first-child{border-left:0}
body.v2l-fullscreen .fs-stats dt{font-size:13px;letter-spacing:.14em;color:var(--v2-muted)}
body.v2l-fullscreen .fs-stats dd{margin:10px 0 0;font-size:30px;font-weight:800;color:var(--v2-brand);overflow-wrap:anywhere;line-height:1.3}
body.v2l-fullscreen .fs-stats dd small{display:block;margin-top:4px;font-size:13px;font-weight:400;color:var(--v2-muted)}

/* 产品通栏：贴边 3 列大图 */
body.v2l-fullscreen .fs-reel{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:4px}
body.v2l-fullscreen .fs-shot{position:relative;display:block;overflow:hidden;aspect-ratio:8/7;background:var(--v2-paper);color:#fff;text-align:left}
body.v2l-fullscreen .fs-shot img,body.v2l-fullscreen .fs-shot__none{width:100%;height:100%;object-fit:cover;transition:transform .5s}
body.v2l-fullscreen .fs-shot__none{display:grid;place-items:center;font-size:44px;font-weight:800;color:var(--v2-muted)}
body.v2l-fullscreen .fs-shot::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(0,0,0,.78));pointer-events:none}
body.v2l-fullscreen .fs-shot__txt{position:absolute;z-index:1;left:0;right:0;bottom:0;display:flex;flex-direction:column;padding:28px 30px}
body.v2l-fullscreen .fs-shot b{font-size:22px;font-weight:800}
body.v2l-fullscreen .fs-shot small{margin-top:6px;font-size:13px;line-height:1.7;opacity:.85;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
body.v2l-fullscreen .fs-shot em{margin-top:12px;font-style:normal;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--v2-brand)}
body.v2l-fullscreen .fs-shot:hover img{transform:scale(1.05)}

/* 企业优势：品牌色带上居中多列 */
body.v2l-fullscreen .fs-pillars{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:0;margin:0;padding:0;list-style:none}
body.v2l-fullscreen .fs-pillars li{padding:10px 30px 16px;border-left:1px solid color-mix(in srgb,currentColor 25%,transparent)}
body.v2l-fullscreen .fs-pillars li:first-child{border-left:0}
body.v2l-fullscreen .fs-pillars li>small{display:block;font-size:46px;font-weight:800;line-height:1;opacity:.35}
body.v2l-fullscreen .fs-pillars li>b{display:block;margin-top:18px;font-size:19px}
body.v2l-fullscreen .fs-pillars p{margin:12px 0 0;font-size:14px;line-height:1.9;opacity:.82}
body.v2l-fullscreen .fs-pillars--plain li>small{color:var(--v2-brand);opacity:.8}

/* 资质 */
body.v2l-fullscreen .fs-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin:0;padding:0;list-style:none}
body.v2l-fullscreen .fs-chips li{padding:12px 22px;border:1px solid var(--v2-line);border-radius:999px;background:var(--v2-white);font-size:14px}

/* 服务流程：居中圆点连线 */
body.v2l-fullscreen .fs-track{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:24px;margin:0;padding:0;list-style:none;position:relative}
body.v2l-fullscreen .fs-track li{position:relative}
body.v2l-fullscreen .fs-track li::before{content:"";position:absolute;top:28px;left:calc(50% + 36px);width:calc(100% - 48px);height:1px;background:var(--v2-line)}
body.v2l-fullscreen .fs-track li:last-child::before{display:none}
body.v2l-fullscreen .fs-track i{display:grid;place-items:center;width:56px;height:56px;margin:0 auto;border:1px solid var(--v2-brand);border-radius:50%;font-style:normal;font-size:20px;font-weight:800;color:var(--v2-brand);background:var(--v2-paper)}
body.v2l-fullscreen .fs-track b{display:block;margin-top:18px;font-size:17px}
body.v2l-fullscreen .fs-track p{margin:8px 0 0;font-size:13px;line-height:1.8;color:var(--v2-muted)}

/* 新闻：反白色带上的居中列表 */
body.v2l-fullscreen .fs-news{max-width:860px;margin:0 auto;padding:0;list-style:none;text-align:left;border-top:1px solid color-mix(in srgb,var(--v2-white) 18%,transparent)}
body.v2l-fullscreen .fs-news li{display:flex;gap:28px;padding:20px 4px;border-bottom:1px solid color-mix(in srgb,var(--v2-white) 18%,transparent)}
body.v2l-fullscreen .fs-news time{flex:none;width:110px;font-size:13px;color:color-mix(in srgb,var(--v2-white) 60%,var(--v2-ink))}
body.v2l-fullscreen .fs-news a{font-size:16px;font-weight:600}
body.v2l-fullscreen .fs-news a:hover{text-decoration:underline}
body.v2l-fullscreen .fs-band--light .fs-btn--ink{background:var(--v2-white);color:var(--v2-ink)}

/* 问答 */
body.v2l-fullscreen .fs-faq{max-width:860px;margin:0 auto;text-align:left}
body.v2l-fullscreen .fs-faq details{margin-bottom:12px;border:1px solid var(--v2-line);border-radius:var(--v2-r);background:var(--v2-paper)}
body.v2l-fullscreen .fs-faq summary{display:flex;justify-content:space-between;gap:16px;padding:20px 24px;font-weight:700;cursor:pointer;list-style:none}
body.v2l-fullscreen .fs-faq summary::-webkit-details-marker{display:none}
body.v2l-fullscreen .fs-faq summary::after{content:"+";flex:none;color:var(--v2-brand);font-size:20px;line-height:1}
body.v2l-fullscreen .fs-faq details[open] summary::after{content:"−"}
body.v2l-fullscreen .fs-faq p{margin:0;padding:0 24px 22px;color:var(--v2-muted);font-size:14px}

/* 内页与通用版块：同样做成居中通栏色带 */
body.v2l-fullscreen .v2-sec{padding:96px 0;border-bottom:0;background:var(--v2-white)}
body.v2l-fullscreen .v2-sec:nth-of-type(even){background:var(--v2-paper)}
body.v2l-fullscreen .v2-sec--alt{background:var(--v2-paper)}
body.v2l-fullscreen .v2-sec>.v2-wrap{max-width:1200px}
body.v2l-fullscreen .v2-head{flex-direction:column;align-items:center;text-align:center;gap:16px;margin-bottom:46px}
body.v2l-fullscreen .v2-head>div{display:flex;flex-direction:column;align-items:center}
body.v2l-fullscreen .v2-head h1,body.v2l-fullscreen .v2-head h2,body.v2l-fullscreen .v2-sec>.v2-wrap>h1{font-size:36px;font-weight:800;letter-spacing:.02em;line-height:1.3}
body.v2l-fullscreen .v2-head h2::after,body.v2l-fullscreen .v2-head h1::after{content:"";display:block;width:48px;height:3px;margin:18px auto 0;background:var(--v2-brand)}
body.v2l-fullscreen .v2-label{letter-spacing:.4em;color:var(--v2-brand)}
body.v2l-fullscreen .v2-desc{margin-left:auto;margin-right:auto}
body.v2l-fullscreen .v2-link{color:var(--v2-brand)}
body.v2l-fullscreen .v2-sec>.v2-wrap>h1{margin:0;text-align:center}
body.v2l-fullscreen .v2-sec>.v2-wrap>.v2-lead,body.v2l-fullscreen .v2-sec>.v2-wrap>.v2-desc{text-align:center;margin-left:auto;margin-right:auto}
body.v2l-fullscreen .v2-hero__act{justify-content:center}
body.v2l-fullscreen .v2-sec>.v2-wrap>.v2-label{text-align:center}
body.v2l-fullscreen .v2-sec>.v2-wrap>.v2-list,body.v2l-fullscreen .v2-sec>.v2-wrap>ul.v2-list{width:fit-content;max-width:760px;margin-left:auto;margin-right:auto;text-align:left}
body.v2l-fullscreen .v2-hero__img{margin-left:auto;margin-right:auto;max-width:760px}
body.v2l-fullscreen .v2-card,body.v2l-fullscreen .v2-item{border-radius:var(--v2-r);background:var(--v2-paper)}
body.v2l-fullscreen .v2-sec--alt .v2-card,body.v2l-fullscreen .v2-sec--alt .v2-item{background:var(--v2-white)}
body.v2l-fullscreen .v2-card{text-align:left;padding:0 0 20px;overflow:hidden}
body.v2l-fullscreen .v2-card>*:not(.v2-card__img){margin-left:20px;margin-right:20px}
body.v2l-fullscreen .v2-card__img{width:100%;height:auto;object-fit:cover;margin:0 0 16px;border:0;border-radius:0;aspect-ratio:8/7}
body.v2l-fullscreen .v2-card h3{font-size:18px;margin-top:4px}
body.v2l-fullscreen .v2-item{text-align:left;padding:24px}
body.v2l-fullscreen .v2-steps li{text-align:left}
body.v2l-fullscreen .v2-list--inline{justify-content:center}
body.v2l-fullscreen .v2-faq{max-width:860px;margin:0 auto}
body.v2l-fullscreen .v2-faq details{background:var(--v2-paper);padding:20px 24px}
body.v2l-fullscreen .v2-article{margin-left:auto;margin-right:auto}
body.v2l-fullscreen .v2-cta{flex-direction:column;justify-content:center;text-align:center;padding:64px 32px;border-radius:0;background:var(--v2-brand);color:var(--v2-onbrand)}
body.v2l-fullscreen .v2-cta h2{font-size:30px}
body.v2l-fullscreen .v2-cta .v2-desc{max-width:700px}
body.v2l-fullscreen .v2-cta .v2-btn{background:var(--v2-white);border-color:var(--v2-white);color:var(--v2-ink)}
body.v2l-fullscreen .v2-cta__act{flex-direction:column}
body.v2l-fullscreen .v2-foot{padding:60px 0;text-align:center}
body.v2l-fullscreen .v2-foot__inner{flex-direction:column;align-items:center}
body.v2l-fullscreen .v2-foot nav{justify-content:center}
body.v2l-fullscreen .v2-boundary{margin-left:auto;margin-right:auto}

@media(max-width:1000px){
  body.v2l-fullscreen .fs-mast__inner{flex-wrap:wrap;height:auto;gap:8px 16px;padding:12px 20px}
  body.v2l-fullscreen .fs-mast__brand{margin-right:auto}
  body.v2l-fullscreen .fs-mast__links{order:3;flex:0 0 100%;justify-content:flex-start;overflow-x:auto;white-space:nowrap;gap:22px;padding-bottom:2px}
  body.v2l-fullscreen .fs-hero{min-height:clamp(560px,92vh,820px);padding:170px 20px 100px}
  body.v2l-fullscreen .fs-hero h1{font-size:42px}
  body.v2l-fullscreen .fs-band{padding:80px 0}
  body.v2l-fullscreen .fs-head h2{font-size:34px}
  body.v2l-fullscreen .fs-stats{grid-template-columns:1fr 1fr}
  body.v2l-fullscreen .fs-stats div:nth-child(3){border-left:0}
  body.v2l-fullscreen .fs-stats div:nth-child(n+3){border-top:1px solid var(--v2-line)}
  body.v2l-fullscreen .fs-reel{grid-template-columns:repeat(2,minmax(0,1fr))}
  body.v2l-fullscreen .fs-pillars li{border-left:0;border-top:1px solid color-mix(in srgb,currentColor 25%,transparent);padding:26px 20px}
  body.v2l-fullscreen .fs-track li::before{display:none}
  body.v2l-fullscreen .v2-sec{padding:70px 0}
}
@media(max-width:560px){
  body.v2l-fullscreen .fs-hero{min-height:620px;padding:180px 18px 90px}
  body.v2l-fullscreen .fs-hero h1{font-size:30px}
  body.v2l-fullscreen .fs-hero__sub{font-size:15px}
  body.v2l-fullscreen .fs-hero__act .fs-btn{width:100%}
  body.v2l-fullscreen .fs-band{padding:64px 0}
  body.v2l-fullscreen .fs-head{margin-bottom:36px}
  body.v2l-fullscreen .fs-head h2{font-size:27px}
  body.v2l-fullscreen .fs-stats dd{font-size:21px}
  body.v2l-fullscreen .fs-stats div{padding:22px 8px}
  body.v2l-fullscreen .fs-reel{grid-template-columns:minmax(0,1fr)}
  body.v2l-fullscreen .fs-shot__txt{padding:20px}
  body.v2l-fullscreen .fs-pano img{aspect-ratio:4/3}
  body.v2l-fullscreen .fs-news li{flex-direction:column;gap:4px}
  body.v2l-fullscreen .fs-prose{text-align:left}
  body.v2l-fullscreen .fs-prose p{font-size:15px;line-height:1.95}
  body.v2l-fullscreen .v2-head h1,body.v2l-fullscreen .v2-head h2,body.v2l-fullscreen .v2-sec>.v2-wrap>h1{font-size:26px}
  body.v2l-fullscreen .v2-cta{padding:44px 20px}
}