:root {
    color-scheme: light;
    --文字: #15171c;
    --次要文字: #555a63;
    --强调: #fc510b;
    --浅底: #f3f6fc;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--文字); background: #fff; font-size: 16px; line-height: 1.8; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--强调); }
a:focus-visible { outline: 2px solid var(--强调); outline-offset: 6px; }
img { display: block; max-width: 100%; }
::selection { color: #fff; background: #dd4407; }
.容器 { width: min(1280px, calc(100% - 96px)); margin-inline: auto; }
.跳转链接 { position: absolute; top: -100px; left: 24px; padding: 8px 16px; color: #fff; background: #bf3800; z-index: 10; }
.跳转链接:focus { top: 12px; }
.页头 { position: relative; z-index: 2; border-bottom: 1px solid #e6e8eb; background: #fff; }
.导航内容 { min-height: 88px; display: flex; justify-content: space-between; align-items: center; gap: 28px; }
.品牌 { font-size: 29px; font-weight: 800; letter-spacing: 1px; white-space: nowrap; }
nav { display: flex; gap: 44px; font-size: 16px; font-weight: 600; }
nav a { padding-block: 15px; }
.首屏 { position: relative; overflow: hidden; isolation: isolate; }
.首屏配图 { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; z-index: -2; }
.首屏遮罩 { position: absolute; inset: 0; background: linear-gradient(90deg, #fff 0%, #fffffff5 21%, #ffffff96 37%, #ffffff00 59%); z-index: -1; }
.首屏布局 { min-height: 650px; display: flex; align-items: center; }
.首屏文字 { padding: 60px 0 44px; }
h1 { font-size: clamp(38px, 4.45vw, 64px); line-height: 1.24; font-weight: 800; letter-spacing: -1.5px; margin: 0 0 14px; }
.业务主张 { font-size: clamp(29px, 4vw, 56px); line-height: 1.35; font-weight: 750; letter-spacing: 0; margin: 0; }
.首屏简介 { margin: 27px 0 31px; color: #444950; font-size: 19px; }
.主按钮 { min-height: 58px; display: inline-flex; align-items: center; justify-content: space-between; gap: 38px; padding: 12px 26px; background: var(--强调); color: #fff; font-size: 19px; font-weight: 650; }
.主按钮:hover { background: #d53c00; color: #fff; }
.主按钮 span { font-size: 29px; font-weight: 400; line-height: 1; }
.平台列表 { display: flex; flex-wrap: wrap; align-items: center; gap: 19px 30px; list-style: none; padding: 0; margin: 64px 0 0; font-size: 14px; color: #454b53; }
.平台列表 li { display: flex; align-items: center; gap: 9px; }
.平台色标 { width: 7px; height: 16px; display: inline-block; flex-shrink: 0; background: var(--强调); }
.绿色 { background: #65b526; }
.蓝色 { background: #308af1; }
section[id] { scroll-margin-top: 28px; }
.业务区域 { padding-top: 30px; padding-bottom: 48px; }
.章节标题 { position: relative; display: flex; align-items: center; gap: 20px; font-size: 33px; line-height: 1.4; font-weight: 750; margin: 0 0 27px; letter-spacing: -.5px; }
.章节标题::before { content: ""; width: 4px; height: 32px; flex-shrink: 0; background: var(--强调); }
.业务列表 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.业务项目 { min-width: 0; }
.业务项目 > img { width: 100%; height: auto; aspect-ratio: 1.3; object-fit: cover; }
h3 { font-size: 27px; line-height: 1.45; font-weight: 700; margin: 17px 0 5px; }
.业务项目 > p { margin: 0; font-size: 18px; color: var(--次要文字); }
.业务标签 { display: flex; flex-wrap: wrap; gap: 0; list-style: none; padding: 0; margin: 15px 0 0; font-size: 15px; color: #595f68; }
.业务标签 li + li::before { content: "/"; color: #b3b7bd; margin-inline: 14px; }
.能力区域 { background: var(--浅底); padding: 30px 30px 32px; }
.能力区域 .章节标题 { margin-bottom: 16px; font-size: 30px; }
.能力列表 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.能力项目 { position: relative; text-align: center; padding: 0 14px 8px; min-width: 0; }
.能力项目 + .能力项目::before { content: ""; position: absolute; left: 0; top: 25px; bottom: 0; width: 1px; background: #d9dfe8; }
.能力项目 img { width: 160px; height: 145px; object-fit: contain; margin-inline: auto; mix-blend-mode: multiply; }
.能力项目 h3 { margin: 2px 0 4px; font-size: 23px; }
.能力项目 p { font-size: 16px; color: #555c67; margin: 0; }
.关于区域 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: center; padding-top: 28px; padding-bottom: 12px; }
.关于文字 { padding-block: 28px; }
.关于文字 p { font-size: 18px; line-height: 2; color: #555a63; margin: 0; max-width: 640px; }
.关于区域 img { width: 100%; height: auto; max-height: 285px; object-fit: contain; }
.页脚 { border-top: 1px solid #e0e3e8; }
.页脚内容 { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 12px 65px; padding-block: 18px; color: #5c626b; font-size: 14px; }
.页脚内容 p { margin: 0; }
.页脚内容 a { padding-block: 5px; }
@media (min-width: 1680px) {
    .首屏布局 { min-height: 720px; }
    .首屏配图 { object-position: center 48%; }
}
@media (max-width: 1100px) {
    .容器 { width: calc(100% - 64px); }
    .首屏布局 { min-height: 560px; }
    .首屏简介 { font-size: 17px; max-width: 400px; }
    .平台列表 { gap: 18px; }
    .业务列表 { gap: 18px; }
    .业务项目 > p { font-size: 16px; }
    .业务标签 { font-size: 14px; }
    .业务标签 li + li::before { margin-inline: 8px; }
    .能力区域 { padding-inline: 20px; }
    .能力项目 { padding-inline: 8px; }
    .能力项目 h3 { font-size: 21px; }
    .能力项目 p { font-size: 14px; }
}
@media (max-width: 760px) {
    .容器 { width: calc(100% - 40px); }
    .导航内容 { min-height: 76px; gap: 14px; }
    .品牌 { font-size: 23px; }
    nav { gap: 16px; font-size: 14px; }
    .首屏布局 { min-height: 730px; align-items: flex-start; }
    .首屏文字 { padding-top: 38px; padding-bottom: 0; width: 100%; }
    h1 { font-size: clamp(34px, 8vw, 52px); letter-spacing: -.5px; margin-bottom: 10px; }
    .业务主张 { font-size: clamp(27px, 6.6vw, 42px); }
    .首屏简介 { margin: 17px 0 22px; font-size: 16px; max-width: 340px; }
    .主按钮 { min-height: 50px; padding: 9px 20px; font-size: 16px; gap: 28px; }
    .平台列表 { margin-top: 22px; gap: 10px 16px; font-size: 12px; }
    .平台列表 li { gap: 6px; }
    .平台色标 { height: 12px; width: 5px; }
    .首屏配图 { top: auto; bottom: 0; height: 430px; object-fit: cover; object-position: 68% center; width: 160%; max-width: none; left: -60%; }
    .首屏遮罩 { background: linear-gradient(180deg, #fff 0%, #fff 40%, #ffffff00 65%); }
    .业务区域 { padding-top: 30px; padding-bottom: 35px; }
    .章节标题 { font-size: 27px; gap: 14px; margin-bottom: 21px; }
    .章节标题::before { width: 3px; height: 27px; }
    .业务列表 { grid-template-columns: 1fr; gap: 32px; }
    .业务项目 > img { aspect-ratio: 1.45; }
    h3 { font-size: 25px; margin-top: 15px; }
    .业务项目 > p { font-size: 16px; }
    .业务标签 { margin-top: 10px; }
    .业务标签 li + li::before { margin-inline: 13px; }
    .能力区域 { padding: 25px 18px 20px; }
    .能力区域 .章节标题 { font-size: 26px; }
    .能力列表 { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px 0; }
    .能力项目 { padding-inline: 4px; }
    .能力项目:nth-child(3)::before { display: none; }
    .能力项目 img { width: 125px; height: 110px; }
    .能力项目 h3 { font-size: 20px; }
    .能力项目 p { font-size: 13px; }
    .关于区域 { grid-template-columns: 1fr; gap: 0; padding-top: 15px; padding-bottom: 15px; }
    .关于文字 { padding-block: 28px 0; }
    .关于文字 p { font-size: 16px; }
    .关于区域 img { max-height: 235px; }
    .页脚内容 { flex-direction: column; gap: 0; font-size: 12px; padding-block: 18px; }
}
@media (max-width: 380px) {
    .导航内容 { flex-wrap: wrap; padding-block: 15px 8px; gap: 5px; }
    nav { width: 100%; justify-content: space-between; }
    nav a { padding-block: 6px; }
    .能力区域 { padding-inline: 12px; }
    .能力项目 p { font-size: 12px; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
}