/* 首页：首屏业务入口、实景轮播、标准化比较与七项核心优势。 */
body[data-page="home"]{--home-blue:#087ddd;--home-ink:#103b5e;--home-gutter:var(--chrome-gutter,40px)}
body[data-page="home"] .site-header{box-shadow:0 4px 24px #17456406}
.home-first-screen{height:auto;min-height:max(752px,calc(100svh - 82px));display:flex;flex-direction:column}
.home-hero{display:flex;flex:1;min-height:390px;background:linear-gradient(105deg,#fffefa 0%,#f8fbfd 43%,#edf4f8 100%);overflow:hidden}
.home-hero-layout{flex:1;height:auto;display:grid;grid-template-columns:calc(var(--home-gutter) + clamp(576px,calc((100vw - 80px)*.46),612px) + 30px) minmax(0,1fr)}
.home-copy{padding:48px 30px 48px var(--home-gutter);display:flex;flex-direction:column;justify-content:center;position:relative;z-index:2;min-width:0;container-type:inline-size}
.home-copy .eyebrow{font-size:10px;letter-spacing:.12em;margin-bottom:27px;white-space:nowrap}
.home-copy h1{font-size:clamp(36px,3.05vw,56px);font-weight:750;line-height:1.48;letter-spacing:-.045em;margin:0 0 23px;white-space:nowrap;color:#183b4e}
.home-copy h1 span{color:var(--blue);background:linear-gradient(110deg,#1164a4,#008de2);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.home-slogan{width:max-content;max-width:100%}
.home-copy .home-main-title{display:grid;grid-template-columns:max-content max-content;column-gap:1em;row-gap:8px;width:max-content;font-size:min(36px,calc(100cqw / 17));line-height:1.52;letter-spacing:0;white-space:normal;margin:0 0 23px}
.home-copy .home-main-title .home-title-line,
.home-copy .home-main-title .home-title-prefix,
.home-copy .home-main-title .home-title-model{display:block;width:max-content;color:#183b4e;background:none;-webkit-text-fill-color:currentColor;white-space:nowrap}
.home-copy .home-main-title .home-title-intro{display:contents}
.home-copy .home-main-title .home-title-prefix{grid-column:1;grid-row:1}
.home-copy .home-main-title .home-title-model{grid-column:2;grid-row:1}
.home-copy .home-main-title .home-title-promise{grid-column:2;grid-row:2;margin-left:0}
.home-copy .home-main-title .home-title-emphasis{color:var(--blue);background:linear-gradient(110deg,#1164a4,#008de2);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}
@media(max-width:980px){.home-copy .home-main-title{font-size:min(30px,calc(100cqw / 17))}}
@media(max-width:640px){.home-copy .home-main-title{font-size:min(30px,calc(100cqw / 17));row-gap:7px;margin-bottom:16px}}
.home-lead{color:#6a8293;font-size:15px;letter-spacing:.02em;margin:0 0 32px;text-align:right}
.home-copy .button{min-height:46px;padding:11px 23px;border-radius:5px}
.home-copy .button-primary{background:linear-gradient(120deg,#1468a7,#0785cf);border-color:transparent;box-shadow:0 8px 20px #076aa71a}
.home-showcase{position:relative;min-width:0;overflow:hidden;isolation:isolate}
.home-slide{position:absolute;inset:0;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .8s ease,visibility .8s ease}
.home-slide.active{opacity:1;visibility:visible;pointer-events:auto}
.photo-slide>img{width:100%;height:100%;object-fit:cover;object-position:center;mask-image:linear-gradient(90deg,transparent 0%,#00000014 7%,#0000007a 15%,#000 28%)}
.photo-slide:first-child>img{object-position:54% center}
.business-section{flex:0 0 auto;padding:24px var(--home-gutter) 28px;background:linear-gradient(180deg,#f7fbfe,#fff)}
.business-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;width:100%;margin:0 auto}
.business-card{--business-title-size:clamp(18px,1.45vw,24px);min-width:0;min-height:310px;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;overflow:hidden;padding:20px 18px;border:1px solid #dbe8f1;border-radius:10px;background:linear-gradient(145deg,#fff 45%,#f0f7fc);box-shadow:0 6px 20px #17456408;text-align:center;transition:background .25s,border-color .25s,box-shadow .25s}
.business-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#1268a5,#22a4e8);transform:scaleX(0);transform-origin:left;transition:transform .3s}
.business-card:hover:before{transform:scaleX(1)}
.business-card:hover{background:linear-gradient(145deg,#fff,#eaf6fe);border-color:#a5cfe9;box-shadow:0 9px 26px #17456412}
.business-heading{display:flex;align-items:center;justify-content:center;gap:10px;min-height:30px;margin-bottom:16px;font-size:var(--business-title-size);line-height:1.35}
.business-card small{font-size:inherit;font-weight:700;line-height:inherit;font-variant-numeric:tabular-nums;color:var(--home-blue)}
.business-card h2{font-size:inherit;font-weight:700;margin:0;color:#173d59;white-space:nowrap}
/* 统一实际画面尺寸，按横向素材取景，避免 contain 产生不同高度的空白。 */
.business-card>img{position:static;width:100%;max-width:100%;height:auto;aspect-ratio:2/1;flex:none;object-fit:cover;object-position:center;margin:0 0 16px;border-radius:6px;background:#eef6fc;opacity:1}
.business-card:nth-child(3)>img{object-position:50% 48%}
.business-card:nth-child(4)>img{object-position:50% 35%}
.business-card p{font-size:13px;line-height:1.6;color:#48789a;margin:0;min-height:1.6em;display:flex;align-items:center;justify-content:center;width:100%}
.home-metrics-section{padding:32px 0 34px;background:linear-gradient(180deg,#fff,#f3f9fd);border-bottom:1px solid #e4eff6}
.home-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));position:relative;width:calc(100% - var(--home-gutter) - var(--home-gutter));max-width:none}
.home-metrics>div{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:10px;min-height:90px;min-width:0;position:relative;text-align:center}
.home-metrics>div+div:before{content:"";height:58px;width:1px;background:linear-gradient(180deg,transparent,#cfdfea 25%,#cfdfea 75%,transparent);position:absolute;left:0;top:50%;transform:translateY(-50%)}
.home-metrics strong{display:block;font-size:44px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.035em;line-height:1.12;background:linear-gradient(120deg,#1465b9,#078bd4 85%);background-clip:text;-webkit-background-clip:text;color:#087ddd;-webkit-text-fill-color:transparent}
.home-metrics span{display:block;font-size:16px;font-weight:500;line-height:1.6;letter-spacing:.035em;color:#59788e}
.standard-section{background:linear-gradient(135deg,#eaf5ff,#f5faff);padding:96px 0 84px}
.home-section-heading{text-align:center;margin-bottom:38px}
.home-section-heading .eyebrow{font-size:10px;letter-spacing:.17em;color:#6695b7;margin-bottom:12px}
.home-section-heading h2{font-size:30px;font-weight:750;color:var(--home-ink);letter-spacing:-.025em;margin:0 0 12px}
.section-subtitle{font-size:13px;color:#39739f;margin:0;letter-spacing:.035em}
.section-description{font-size:12px;line-height:1.9;color:#7892a7;margin:20px auto 0;max-width:860px}
.standard-comparison{display:grid;grid-template-columns:minmax(0,1fr) 58px minmax(0,1fr);align-items:stretch;max-width:1100px;margin:0 auto}
.comparison-card{min-width:0;border:1px solid #d4e2ed;border-radius:10px;overflow:hidden;background:#f8fbfd;box-shadow:0 14px 30px #284d7310}
.comparison-card h3{height:62px;display:flex;align-items:center;gap:12px;margin:0;padding:0 25px;font-size:17px;font-weight:650;background:#eff4f8;color:#537489}
.comparison-mark{width:23px;height:23px;border-radius:50%;display:grid;place-items:center;background:#8da5b5;color:#fff;font-size:15px;flex-shrink:0}
.comparison-card ul{list-style:none;display:grid;gap:9px;margin:0;padding:22px}
.comparison-card li{font-size:12px;line-height:1.7;display:flex;align-items:center;gap:11px;min-height:38px;padding:8px 12px;background:#ffffffcf;border-radius:4px;color:#6c869b}
.comparison-card li>span{font-size:15px;color:#94acbd;flex-shrink:0}
.comparison-standard{background:#eff9ff;border-color:#77c8fc;box-shadow:0 14px 35px #136daa17}
.comparison-standard h3{background:linear-gradient(115deg,#087bdd,#129be9);color:#fff}
.comparison-standard .comparison-mark{background:#fff;color:#0785dc}
.comparison-standard li{color:#2475af}
.comparison-standard li>span{color:#078bdc}
.comparison-vs{align-self:center;justify-self:center;width:38px;height:38px;border:1px solid #a7d5f4;background:#fff;border-radius:50%;display:grid;place-items:center;font-size:11px;font-weight:700;color:#1285d3;box-shadow:0 6px 16px #146da916;letter-spacing:.05em}
.standard-more,.advantages-more{display:flex;justify-content:center;align-items:center;gap:18px;font-size:12px;margin-top:30px}
.advantage-section{padding:90px 0 82px;background:#fff}
.advantage-section>.container{width:min(1400px,calc(100% - 80px))}
.advantage-section .home-section-heading{margin-bottom:46px}
.home-advantages{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));grid-template-rows:repeat(2,1fr);position:relative;background:linear-gradient(180deg,#f7f9fb,#e9f0f5 50%,#f7f9fb);isolation:isolate}
.advantage-card{grid-row:1;aspect-ratio:1;min-width:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:15px 9px;position:relative;color:#fff;background:linear-gradient(145deg,#59b5ed,#329ee4);transition:box-shadow .25s,filter .25s;z-index:1}
.advantage-card:nth-child(1){grid-column:1}.advantage-card:nth-child(2){grid-column:2;grid-row:2}.advantage-card:nth-child(3){grid-column:3}.advantage-card:nth-child(4){grid-column:4;grid-row:2}.advantage-card:nth-child(5){grid-column:5}.advantage-card:nth-child(6){grid-column:6;grid-row:2}.advantage-card:nth-child(7){grid-column:7}
.advantage-card:nth-child(even){background:linear-gradient(145deg,#2895df,#1682d0)}
.advantage-card:hover{filter:brightness(1.04);box-shadow:0 14px 32px #116bb32e;z-index:2}
.advantage-number{position:absolute;top:13px;left:14px;font-size:10px;letter-spacing:.06em;color:#ffffffb0}
.advantage-card svg{width:29px;height:29px;margin:0 0 15px}
.advantage-card h3{font-size:13px;font-weight:700;text-align:center;line-height:1.6;margin:0 0 3px}
.advantage-card p{font-size:11px;line-height:1.65;text-align:center;margin:0;color:#f3fbff}
.advantages-more{margin-top:36px}
body[data-page="home"] .search-field:focus-within{border-color:#78b9e6;box-shadow:0 0 0 3px #087ddd09}
body[data-page="home"] .search-result{border-radius:5px;padding-left:8px;padding-right:8px;transition:background .2s}
body[data-page="home"] .search-result:hover{background:#f2f8fc}
@media(min-width:1600px){.home-hero-layout{grid-template-columns:calc(var(--home-gutter) + 612px + 45px) minmax(0,1fr)}.home-copy{padding-right:45px}}
@media(max-width:1180px){.home-hero-layout{grid-template-columns:52% 48%}.home-copy{padding-left:28px;padding-right:15px}.home-copy h1{font-size:34px}.home-copy .eyebrow{font-size:9px}.home-copy .button{padding:10px 17px;font-size:13px}.advantage-section>.container{width:calc(100% - 48px)}.advantage-card h3{font-size:11px}.advantage-card p{font-size:10px}.advantage-card svg{width:25px;height:25px;margin-bottom:10px}}
@media(min-width:641px) and (max-width:980px){.home-hero{display:flex}.home-hero-layout{flex:1;height:auto}}
@media(max-width:980px){.home-first-screen{height:auto;min-height:calc(100svh - 72px)}.home-hero{min-height:420px}.home-hero-layout{min-height:420px}.home-copy{padding:42px 24px}.home-copy h1{font-size:30px}.home-copy .eyebrow{white-space:normal}.home-lead{font-size:13px}.home-copy .actions{gap:8px}.home-copy .button{font-size:12px;padding:10px 12px;min-height:42px}.standard-section{padding:72px 0 64px}.home-section-heading h2{font-size:27px}.standard-comparison{grid-template-columns:minmax(0,1fr) 44px minmax(0,1fr)}.comparison-card h3{padding:0 16px;font-size:15px;height:58px;gap:9px}.comparison-card ul{padding:16px;gap:8px}.comparison-card li{padding:8px;font-size:11px;gap:8px;min-height:50px}.comparison-vs{width:32px;height:32px;font-size:10px}.advantage-section{padding:70px 0}.home-advantages{grid-template-columns:repeat(4,minmax(0,1fr));grid-template-rows:auto;gap:12px;background:none}.advantage-card:nth-child(n){grid-column:auto;grid-row:auto;aspect-ratio:1.15;border-radius:6px}.advantage-card h3{font-size:13px}.advantage-card p{font-size:11px}.advantage-card svg{width:28px;height:28px;margin-bottom:12px}.advantage-card:last-child{grid-column:3/5;aspect-ratio:auto}.section-description br{display:none}}
@media(max-width:640px){.home-hero{min-height:0}.home-hero-layout{grid-template-columns:1fr;min-height:0}.home-copy{padding:34px 24px 28px}.home-copy .eyebrow{font-size:9px;margin-bottom:14px}.home-copy h1{font-size:34px;margin-bottom:16px;line-height:1.45}.home-lead{font-size:13px;margin-bottom:22px}.home-copy .button{font-size:13px;min-height:43px;padding:10px 17px}.home-showcase{height:300px}.photo-slide>img{mask-image:none;object-position:center}.photo-slide:first-child>img{object-position:center}.standard-section{padding:55px 0 48px}.home-section-heading{margin-bottom:26px}.home-section-heading h2{font-size:23px;margin-bottom:10px}.home-section-heading .eyebrow{font-size:9px;margin-bottom:10px}.section-subtitle{font-size:12px}.section-description{font-size:11px;margin-top:16px}.standard-comparison{grid-template-columns:minmax(0,1fr);gap:12px}.comparison-card h3{font-size:16px;height:55px;padding:0 20px}.comparison-card ul{padding:16px;gap:7px}.comparison-card li{font-size:12px;min-height:58px;padding:8px 11px}.comparison-vs{width:31px;height:31px;align-self:center;margin:0}.standard-more{margin-top:24px;font-size:11px}.advantage-section{padding:54px 0 48px}.advantage-section>.container{width:calc(100% - 36px)}.advantage-section .home-section-heading{margin-bottom:28px}.home-advantages{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.advantage-card:nth-child(n){aspect-ratio:1.2;padding:20px 12px;border-radius:5px}.advantage-card:last-child{grid-column:1/-1;aspect-ratio:auto;min-height:130px}.advantage-card h3{font-size:13px}.advantage-card p{font-size:11px}.advantage-card svg{width:27px;height:27px;margin-bottom:12px}.advantage-number{top:12px;left:12px}.advantages-more{font-size:11px;margin-top:25px}}
@media(max-width:360px){.home-copy h1{font-size:30px}.home-copy{padding-left:20px;padding-right:20px}.home-section-heading h2{font-size:21px}}
@media(prefers-reduced-motion:reduce){.home-slide,.business-card,.business-card:before,.business-card>img,.advantage-card{transition:none}}

/* 数字在上，说明在下；与首页上下模块保持轻盈的留白。 */
@media(max-width:1180px){.home-metrics strong{font-size:40px}.home-metrics span{font-size:15px}}
@media(max-width:980px){.home-metrics-section{padding:28px 0 30px}.home-metrics strong{font-size:36px}.home-metrics span{font-size:14px}.home-metrics>div{min-height:84px;gap:9px}}
@media(max-width:640px){.home-metrics-section{padding:27px 0}.home-metrics{width:calc(100% - 36px);grid-template-columns:repeat(2,minmax(0,1fr));row-gap:24px}.home-metrics>div{min-height:83px;gap:8px}.home-metrics strong{font-size:36px}.home-metrics span{font-size:14px;letter-spacing:.02em}.home-metrics>div+div:before{height:52px}.home-metrics>div:nth-child(3):before{display:none}.home-metrics:after{content:"";position:absolute;left:8%;right:8%;top:50%;height:1px;background:linear-gradient(90deg,transparent,#dbe7ef 20%,#dbe7ef 80%,transparent)}}
@media(max-width:360px){.home-metrics strong{font-size:34px}.home-metrics span{font-size:13px}}

/* 四个业务入口始终按标题、图片、说明的阅读顺序排列。 */
@media(min-width:1600px){.home-first-screen{min-height:max(772px,calc(100svh - 82px))}.business-card{min-height:330px}}
@media(max-width:1180px){.business-grid{gap:16px}}
@media(max-width:980px){.home-hero-layout{grid-template-columns:52% 48%}.business-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.business-card{--business-title-size:20px;min-height:310px;padding:22px}}
@media(max-width:640px){.home-hero-layout{grid-template-columns:1fr}.business-section{padding-top:20px;padding-bottom:24px}.business-grid{gap:12px}.business-card{--business-title-size:16px;min-height:220px;padding:18px 12px;border-radius:8px}.business-heading{gap:8px;min-height:24px;margin-bottom:12px}.business-card>img{margin-bottom:12px}.business-card p{font-size:11px;min-height:3.2em}}
@media(max-width:360px){.business-card{--business-title-size:14px;min-height:204px;padding:16px 9px}.business-heading{gap:6px}}

/* 首页统一使用导航栏边界，去掉各区块额外的收窄边距。 */
body[data-page="home"] .home-copy{padding-left:var(--home-gutter)}
body[data-page="home"] .home-lead{margin-bottom:0}
body[data-page="home"] .home-metrics{width:calc(100% - var(--home-gutter) - var(--home-gutter));max-width:none}