@charset "UTF-8";
/* =========================================================
   皎一科技 JIAOYI TECH — 品牌站样式
   ========================================================= */

:root{
  --navy-950:#060E18;
  --navy-900:#0A1929;
  --navy-800:#0E2136;
  --navy-700:#152943;
  --navy-600:#1E3654;
  --navy-500:#2B4A6F;
  --gold:#C8A96A;
  --gold-soft:#E3D2AE;
  --gold-deep:#A8873F;
  --paper:#FFFFFF;
  --paper-2:#F5F7FA;
  --paper-3:#E9EEF5;
  --ink:#0E2136;
  --ink-2:#33475E;
  --muted:#6C7D91;
  --line:#DCE3EC;
  --line-dark:rgba(255,255,255,.12);

  --container:1240px;
  --pad-section:clamp(72px,8.5vw,132px);
  --radius:6px;
  --radius-lg:14px;
  --shadow-sm:0 1px 2px rgba(14,33,54,.05), 0 8px 24px rgba(14,33,54,.05);
  --shadow-md:0 18px 50px rgba(14,33,54,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-cn:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei UI","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:88px}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--font-cn);font-size:16px;line-height:1.8;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.28;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:var(--gold);color:var(--navy-900)}

.container{width:min(100% - 48px,var(--container));margin-inline:auto}
.section{padding-block:var(--pad-section)}
.section--tight{padding-block:clamp(48px,5vw,72px)}
.section--paper{background:var(--paper-2)}
.section--dark{background:var(--navy-900);color:#fff}
.center{text-align:center}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- 通用文字 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;
  color:var(--gold-deep);margin-bottom:18px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:currentColor;opacity:.7}
.section--dark .eyebrow{color:var(--gold)}
.section-head{max-width:760px;margin-bottom:clamp(40px,5vw,64px)}
.section-head.center{margin-inline:auto}
.section-title{font-size:clamp(1.75rem,3.4vw,2.7rem);letter-spacing:-.02em}
.section-lead{margin-top:20px;color:var(--muted);font-size:clamp(1rem,1.4vw,1.0625rem)}
.section--dark .section-lead{color:rgba(255,255,255,.68)}
.gold{color:var(--gold)}

/* ---------- 按钮 ---------- */
.btn{
  --btn-bg:var(--navy-800);--btn-fg:#fff;--btn-bd:var(--navy-800);
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 28px;border:1px solid var(--btn-bd);border-radius:999px;
  background:var(--btn-bg);color:var(--btn-fg);
  font-size:15px;font-weight:600;letter-spacing:.02em;cursor:pointer;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .3s,color .3s,border-color .3s;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(14,33,54,.18)}
.btn--gold{--btn-bg:var(--gold);--btn-fg:var(--navy-900);--btn-bd:var(--gold)}
.btn--gold:hover{--btn-bg:var(--gold-soft);--btn-bd:var(--gold-soft)}
.btn--ghost{--btn-bg:transparent;--btn-fg:var(--navy-800);--btn-bd:rgba(14,33,54,.25)}
.btn--ghost:hover{--btn-bg:var(--navy-800);--btn-fg:#fff;--btn-bd:var(--navy-800)}
.btn--ghost-light{--btn-bg:transparent;--btn-fg:#fff;--btn-bd:rgba(255,255,255,.35)}
.btn--ghost-light:hover{--btn-bg:#fff;--btn-fg:var(--navy-900);--btn-bd:#fff}
.btn--sm{padding:10px 20px;font-size:14px}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}

.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--navy-800);border-bottom:1px solid var(--line);padding-bottom:4px;transition:gap .3s var(--ease),border-color .3s}
.link-arrow::after{content:"→";transition:transform .3s var(--ease)}
.link-arrow:hover{gap:12px;border-color:var(--gold)}
.section--dark .link-arrow{color:#fff;border-color:var(--line-dark)}

/* ---------- 页头 ---------- */
.site-header{
  position:fixed;inset:0 0 auto;z-index:80;
  transition:background .4s var(--ease),box-shadow .4s var(--ease),backdrop-filter .4s;
}
.site-header__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-block:18px}
.site-header.is-stuck{background:rgba(10,25,41,.92);backdrop-filter:saturate(160%) blur(14px);box-shadow:0 1px 0 rgba(255,255,255,.08)}
.site-header.is-light:not(.is-stuck){background:transparent}
.site-header.is-solid{background:#fff;box-shadow:0 1px 0 var(--line)}

.brand{display:flex;align-items:center;gap:13px;color:#fff}
.site-header.is-solid .brand{color:var(--navy-800)}
.brand__mark{width:38px;height:38px;flex:none}
.brand__name{font-size:19px;font-weight:700;letter-spacing:.16em;line-height:1}
.brand__latin{display:block;font-size:9.5px;letter-spacing:.34em;font-weight:500;opacity:.6;margin-top:6px}

.nav{display:flex;align-items:center;gap:clamp(14px,1.7vw,30px)}
.nav a{position:relative;font-size:14.5px;font-weight:500;color:rgba(255,255,255,.82);padding-block:6px;transition:color .25s}
.site-header.is-solid .nav a{color:var(--ink-2)}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;background:var(--gold);transition:right .35s var(--ease)}
.nav a:hover,.nav a[aria-current="page"]{color:#fff}
.site-header.is-solid .nav a:hover,.site-header.is-solid .nav a[aria-current="page"]{color:var(--navy-800)}
.nav a:hover::after,.nav a[aria-current="page"]::after{right:0}
.header-cta{display:flex;align-items:center;gap:14px}
.header-cta .btn{padding:11px 22px;font-size:14px}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid rgba(255,255,255,.28);border-radius:50%;background:transparent;position:relative;cursor:pointer}
.site-header.is-solid .nav-toggle{border-color:var(--line)}
.nav-toggle span{position:absolute;left:12px;width:18px;height:1.5px;background:#fff;transition:transform .3s var(--ease),opacity .2s}
.site-header.is-solid .nav-toggle span{background:var(--navy-800)}
.nav-toggle span:nth-child(1){top:16px}
.nav-toggle span:nth-child(2){top:21px}
.nav-toggle span:nth-child(3){top:26px}
.nav-toggle.is-open span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* ---------- 首页首屏 ---------- */
.hero{position:relative;overflow:hidden;background:var(--navy-900);color:#fff;padding-block:clamp(130px,17vh,190px) clamp(80px,10vw,120px)}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(1100px 620px at 78% 12%,rgba(43,74,111,.55),transparent 62%),
  radial-gradient(760px 520px at 8% 96%,rgba(200,169,106,.16),transparent 60%),
  linear-gradient(160deg,#0A1929 0%,#0E2136 48%,#08131F 100%)}
.hero__mark{position:absolute;right:-6%;top:50%;width:min(46vw,620px);transform:translateY(-50%);opacity:.07;pointer-events:none}
.hero__grid{position:absolute;inset:0;opacity:.35;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:88px 88px;mask-image:linear-gradient(180deg,transparent,#000 35%,transparent)}
.hero__inner{position:relative;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.82fr);gap:clamp(40px,6vw,88px);align-items:center}
.hero h1{font-size:clamp(2.1rem,4.6vw,3.75rem);line-height:1.2;letter-spacing:-.025em;font-weight:600}
.hero h1 em{font-style:normal;color:var(--gold-soft)}
.hero__sub{margin-top:26px;font-size:clamp(1rem,1.5vw,1.125rem);color:rgba(255,255,255,.74);max-width:34em}
.hero__badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}
.badge{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border:1px solid rgba(255,255,255,.2);border-radius:999px;font-size:13px;color:rgba(255,255,255,.86);background:rgba(255,255,255,.05)}
.badge i{width:5px;height:5px;border-radius:50%;background:var(--gold);flex:none}
.hero__aside{border:1px solid var(--line-dark);border-radius:var(--radius-lg);padding:28px;background:rgba(255,255,255,.04);backdrop-filter:blur(6px)}
.hero__aside h3{font-size:15px;letter-spacing:.14em;color:var(--gold);font-weight:600}
.hero__aside ul{margin-top:18px;display:grid;gap:14px}
.hero__aside li{display:flex;gap:12px;font-size:14.5px;color:rgba(255,255,255,.78);padding-bottom:14px;border-bottom:1px dashed rgba(255,255,255,.12)}
.hero__aside li:last-child{border-bottom:0;padding-bottom:0}
.hero__aside b{color:#fff;font-weight:600;min-width:5.5em;flex:none}
.hero-form{margin-top:22px;display:grid;gap:10px}
.hero-form input{width:100%;padding:12px 16px;border:1px solid rgba(255,255,255,.22);border-radius:999px;background:rgba(255,255,255,.06);color:#fff;font-size:14px}
.hero-form input::placeholder{color:rgba(255,255,255,.45)}
.hero-form input:focus{outline:none;border-color:var(--gold);background:rgba(255,255,255,.1)}

/* 首页数字条 */
.statbar{background:var(--navy-800);color:#fff;border-top:1px solid var(--line-dark)}
.statbar__inner{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-dark)}
.stat{background:var(--navy-800);padding:34px 26px;text-align:center}
.stat__num{font-size:clamp(1.9rem,3.2vw,2.6rem);font-weight:600;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.stat__num small{font-size:.5em;margin-left:4px;color:var(--gold)}
.stat__label{margin-top:8px;font-size:13.5px;color:rgba(255,255,255,.62)}

/* ---------- 业务矩阵 ---------- */
.biz-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:20px}
.biz-card{grid-column:span 2;position:relative;display:flex;flex-direction:column;min-height:250px;padding:32px 30px;border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff;overflow:hidden;transition:transform .45s var(--ease),box-shadow .45s var(--ease),border-color .45s}
.biz-grid>.biz-card:last-child:nth-child(3n+1){grid-column:3 / span 2}
.biz-card::after{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:linear-gradient(90deg,var(--gold),transparent);transform:scaleX(0);transform-origin:left;transition:transform .5s var(--ease)}
.biz-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:transparent}
.biz-card:hover::after{transform:scaleX(1)}
.biz-card--wide{grid-column:span 3;background:var(--navy-800);color:#fff;border-color:transparent}
.biz-card--wide .biz-card__desc{color:rgba(255,255,255,.74)}
.biz-card__tag{font-size:12px;letter-spacing:.2em;color:var(--gold-deep);text-transform:uppercase}
.biz-card--wide .biz-card__tag{color:var(--gold)}
.biz-card h3{margin-top:16px;font-size:clamp(1.2rem,1.7vw,1.5rem)}
.biz-card__desc{margin-top:14px;font-size:14.5px;color:var(--muted);flex:1}
.biz-card__meta{margin-top:22px;display:flex;flex-wrap:wrap;gap:8px}
.chip{font-size:12.5px;padding:5px 12px;border:1px solid var(--line);border-radius:999px;color:var(--ink-2)}
.biz-card--wide .chip{border-color:rgba(255,255,255,.24);color:rgba(255,255,255,.82)}
.biz-card__num{position:absolute;right:22px;top:18px;font-size:52px;font-weight:700;color:rgba(14,33,54,.05);line-height:1}
.biz-card--wide .biz-card__num{color:rgba(255,255,255,.08)}

/* ---------- 特性列表 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden}
.feature{background:#fff;padding:34px 30px}
.feature__no{font-size:13px;letter-spacing:.18em;color:var(--gold-deep);font-weight:600}
.feature h3{margin-top:14px;font-size:1.125rem}
.feature p{margin-top:12px;font-size:14.5px;color:var(--muted)}

/* ---------- 案例 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.case-card{position:relative;display:block;border-radius:var(--radius-lg);overflow:hidden;background:var(--navy-800);color:#fff}
.case-card__media{aspect-ratio:4/3;background-image:var(--img,none),var(--fallback);background-size:cover,cover;background-position:center;transition:transform .8s var(--ease)}
.case-card:hover .case-card__media{transform:scale(1.05)}
.case-card__body{position:absolute;inset:auto 0 0;padding:26px 24px 22px;background:linear-gradient(transparent,rgba(6,14,24,.92) 58%)}
.case-card__body h3{font-size:1.0625rem}
.case-card__meta{margin-top:8px;font-size:13px;color:rgba(255,255,255,.7);display:flex;gap:10px;flex-wrap:wrap}
.case-card__meta span+span::before{content:"·";margin-right:10px;opacity:.6}
.case-filter{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:38px}
.case-filter button{padding:9px 20px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:14px;color:var(--ink-2);cursor:pointer;transition:all .3s var(--ease)}
.case-filter button:hover{border-color:var(--navy-600);color:var(--navy-800)}
.case-filter button.is-active{background:var(--navy-800);border-color:var(--navy-800);color:#fff}

/* ---------- 页面内页头 ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--navy-900);color:#fff;padding-block:clamp(140px,16vh,180px) clamp(52px,6vw,76px)}
.page-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(900px 500px at 82% 10%,rgba(43,74,111,.5),transparent 60%),linear-gradient(150deg,#0A1929,#0E2136 60%,#08131F)}
.page-hero__mark{position:absolute;right:2%;bottom:-32%;width:min(34vw,420px);opacity:.06}
.page-hero__inner{position:relative;max-width:820px}
.page-hero h1{font-size:clamp(1.9rem,4vw,3rem);letter-spacing:-.02em}
.page-hero p{margin-top:20px;color:rgba(255,255,255,.7);max-width:44em}
.breadcrumb{display:flex;gap:10px;align-items:center;font-size:13px;color:rgba(255,255,255,.55);margin-bottom:20px}
.breadcrumb a:hover{color:#fff}

/* ---------- 组织架构 ---------- */
.org{--org-line:var(--line);margin-top:20px}
.org__root{display:flex;flex-direction:column;align-items:center;gap:6px;width:min(320px,100%);margin-inline:auto;padding:26px;border-radius:var(--radius-lg);background:var(--navy-800);color:#fff;position:relative;z-index:2}
.org__root b{font-size:1.25rem;letter-spacing:.14em}
.org__root small{font-size:10px;letter-spacing:.32em;opacity:.6}
.org__root::after{content:"";position:absolute;left:50%;bottom:-40px;width:1px;height:40px;background:var(--org-line)}
.org__branches{display:grid;grid-template-columns:repeat(6,1fr);margin-top:40px;border-top:1px solid var(--org-line)}
.org__item{position:relative;padding:34px 16px 0;text-align:center}
.org__item::before{content:"";position:absolute;left:50%;top:0;width:1px;height:26px;background:var(--org-line)}
.org__item b{display:block;font-size:15px;font-weight:600;color:var(--navy-800)}
.org__item small{display:block;margin-top:6px;font-size:12px;color:var(--muted);letter-spacing:.04em}
.org__item i{display:block;width:8px;height:8px;margin:0 auto 14px;border-radius:50%;background:var(--gold)}

/* ---------- 时间线 ---------- */
.timeline{position:relative;display:grid;gap:0;border-left:1px solid var(--line);margin-left:8px}
.timeline li{position:relative;padding:0 0 38px 34px}
.timeline li::before{content:"";position:absolute;left:-5px;top:10px;width:9px;height:9px;border-radius:50%;background:#fff;border:2px solid var(--gold)}
.timeline b{display:block;font-size:15px;color:var(--gold-deep);letter-spacing:.1em}
.timeline h3{margin-top:6px;font-size:1.0625rem}
.timeline p{margin-top:8px;font-size:14.5px;color:var(--muted)}

/* ---------- 两栏 ---------- */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(32px,5vw,72px);align-items:center}
.split--reverse .split__media{order:2}
.split__media{border-radius:var(--radius-lg);overflow:hidden;background:var(--navy-800);min-height:340px;background-image:var(--img,none),var(--fallback);background-size:cover,cover;background-position:center}
.split__body h2{font-size:clamp(1.5rem,2.6vw,2.125rem)}
.split__body p{margin-top:20px;color:var(--muted)}
.split__list{margin-top:26px;display:grid;gap:14px}
.split__list li{display:flex;gap:12px;font-size:15px;color:var(--ink-2)}
.split__list li::before{content:"";flex:none;width:6px;height:6px;margin-top:11px;border-radius:50%;background:var(--gold)}
.section--dark .split__body p{color:rgba(255,255,255,.7)}
.section--dark .split__list li{color:rgba(255,255,255,.8)}

/* ---------- 服务网络 ---------- */
.net-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.net-card{padding:28px 26px;border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff}
.net-card b{display:block;font-size:1.0625rem}
.net-card span{display:block;margin-top:8px;font-size:13.5px;color:var(--muted)}
.net-card ul{margin-top:18px;display:grid;gap:9px;font-size:14px;color:var(--ink-2)}
.net-card li{display:flex;gap:10px}
.net-card li::before{content:"";width:5px;height:5px;margin-top:11px;border-radius:50%;background:var(--gold);flex:none}

/* ---------- 新闻 ---------- */
.news-list{display:grid;gap:1px;background:var(--line);border-block:1px solid var(--line)}
.news-item{display:grid;grid-template-columns:150px minmax(0,1fr) auto;gap:28px;align-items:center;padding:30px 8px;background:#fff;transition:background .3s,transform .3s var(--ease)}
.news-item:hover{background:var(--paper-2)}
.news-item time{font-size:13.5px;color:var(--muted);letter-spacing:.06em;font-variant-numeric:tabular-nums}
.news-item h3{font-size:1.0625rem}
.news-item p{margin-top:8px;font-size:14px;color:var(--muted)}
.news-item .tag{font-size:12.5px;padding:5px 12px;border-radius:999px;background:var(--paper-3);color:var(--navy-700);white-space:nowrap}

/* ---------- 职位 ---------- */
.job-list{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden}
.job{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr) auto;gap:26px;align-items:center;background:#fff;padding:26px 30px;transition:background .3s}
.job:hover{background:var(--paper-2)}
.job b{font-size:1.0625rem}
.job span{font-size:14px;color:var(--muted)}
.job__meta{display:flex;flex-wrap:wrap;gap:10px}

/* ---------- 表单 ---------- */
.form{display:grid;gap:18px}
.field{display:grid;gap:8px}
.field label{font-size:13.5px;font-weight:600;color:var(--ink-2)}
.field input,.field select,.field textarea{
  width:100%;padding:14px 16px;border:1px solid var(--line);border-radius:var(--radius);
  background:#fff;font-size:15px;transition:border-color .25s,box-shadow .25s;
}
.field textarea{min-height:132px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--navy-600);box-shadow:0 0 0 3px rgba(30,54,84,.1)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-note{font-size:13px;color:var(--muted)}
.form-status{margin-top:16px;padding:14px 18px;border-radius:var(--radius);background:#F0F7F1;border:1px solid #CFE5D3;color:#25603A;font-size:14.5px;display:none}
.form-status.is-visible{display:block}

/* ---------- 联系卡片 ---------- */
.contact-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(32px,5vw,64px);align-items:start}
.info-list{display:grid;gap:22px}
.info-item{display:flex;gap:16px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.info-item:last-child{border-bottom:0;padding-bottom:0}
.info-item__ico{width:42px;height:42px;flex:none;border-radius:50%;background:var(--navy-800);color:var(--gold);display:grid;place-items:center;font-size:15px}
.info-item b{display:block;font-size:15px}
.info-item p{margin-top:6px;font-size:14.5px;color:var(--muted)}
.info-item a:hover{color:var(--navy-800);text-decoration:underline}
.map-frame{margin-top:36px;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);background:var(--paper-3);aspect-ratio:16/9;position:relative;display:grid;place-items:center;text-align:center;padding:24px}
.map-frame__grid{position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:44px 44px;opacity:.75}
.map-frame p{position:relative;font-size:14px;color:var(--muted)}

/* ---------- 数据/表格 ---------- */
.table{width:100%;border-collapse:collapse;font-size:14.5px}
.table th,.table td{padding:16px 18px;border-bottom:1px solid var(--line);text-align:left}
.table th{font-weight:600;color:var(--ink-2);background:var(--paper-2);font-size:13.5px;letter-spacing:.04em}
.table tr:last-child td{border-bottom:0}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--navy-800);color:#fff;padding-block:clamp(60px,7vw,92px)}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 380px at 88% 50%,rgba(200,169,106,.2),transparent 62%)}
.cta-band__inner{position:relative;display:flex;flex-wrap:wrap;gap:32px;align-items:center;justify-content:space-between}
.cta-band h2{font-size:clamp(1.5rem,2.8vw,2.25rem);max-width:22em}
.cta-band p{margin-top:14px;color:rgba(255,255,255,.7);max-width:34em}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--navy-950);color:rgba(255,255,255,.66);padding-block:clamp(56px,7vw,84px) 32px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));gap:clamp(28px,4vw,56px);padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .brand{color:#fff}
.footer-brand p{margin-top:22px;max-width:30em;line-height:1.9}
.footer-col h3{font-size:13px;letter-spacing:.18em;color:#fff;text-transform:uppercase;margin-bottom:18px;font-weight:600}
.footer-col li+li{margin-top:11px}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;padding-top:26px;font-size:13px;color:rgba(255,255,255,.45)}
.footer-bottom a:hover{color:#fff}

/* ---------- 动效 ---------- */
[data-reveal]{opacity:0;transform:translateY(22px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
[data-reveal].is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important}
  html{scroll-behavior:auto}
  [data-reveal]{opacity:1;transform:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .biz-grid{grid-template-columns:repeat(2,1fr)}
  .biz-card,.biz-card--wide{grid-column:span 1}
  .biz-grid>.biz-card:last-child:nth-child(3n+1){grid-column:1 / -1}
  .org__branches{grid-template-columns:repeat(3,1fr);border-top:0;margin-top:24px}
  .org__item{padding-top:28px}
  .org__root::after{display:none}
  .org__item::before{height:22px}
  .org__branches{border-left:1px solid var(--line)}
}
@media (max-width:960px){
  .nav,.header-cta .btn{display:none}
  .nav-toggle{display:block}
  .hero__inner{grid-template-columns:1fr}
  .hero__mark{opacity:.05}
  .split,.contact-grid{grid-template-columns:1fr}
  .split--reverse .split__media{order:0}
  .statbar__inner{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .news-item{grid-template-columns:1fr;gap:10px}
  .job{grid-template-columns:1fr;gap:14px}
  .job__meta{justify-content:flex-start}
}
@media (max-width:640px){
  .container{width:min(100% - 36px,var(--container))}
  .biz-grid{grid-template-columns:1fr}
  .biz-grid>.biz-card:last-child:nth-child(3n+1){grid-column:auto}
  .org__branches{grid-template-columns:1fr;border-left:0}
  .org__item{padding:22px 0 0;border-top:1px solid var(--line)}
  .org__item::before{display:none}
  .field-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .statbar__inner{grid-template-columns:1fr}
}

/* 移动端抽屉 */
.drawer{position:fixed;inset:0;z-index:90;background:var(--navy-900);color:#fff;padding:96px 28px 40px;display:flex;flex-direction:column;gap:6px;transform:translateY(-100%);transition:transform .5s var(--ease);overflow-y:auto}
.drawer.is-open{transform:none}
.drawer__close{position:absolute;right:22px;top:22px;width:42px;height:42px;border:1px solid rgba(255,255,255,.24);border-radius:50%;background:transparent;color:#fff;font-size:20px;cursor:pointer}
.drawer a{padding:16px 0;border-bottom:1px solid rgba(255,255,255,.1);font-size:17px}
.drawer .btn{margin-top:26px;align-self:flex-start}
/* 图片占位底层：未放入实拍照片时显示的图形化底纹 */
:root{
  --fallback:
    repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 1px,transparent 1px 26px),
    radial-gradient(560px 320px at 78% 22%,rgba(200,169,106,.20),transparent 62%),
    linear-gradient(145deg,#1E3654 0%,#0E2136 52%,#0A1929 100%);
}
.split__media{position:relative}
.split__media::after{content:"";position:absolute;inset:0;background:radial-gradient(400px 260px at 30% 80%,rgba(255,255,255,.06),transparent 70%)}
/* 无实拍照片时的占位视觉 */
.case-card__media,.split__media{position:relative}
.case-card__media::after,.split__media::before{
  content:"";position:absolute;inset:0;
  background:url("../img/logo-mark-white-faint.png") no-repeat 74% 50%/38% auto;
  pointer-events:none;transition:opacity .4s var(--ease);
}
.split__media::before{background-position:50% 50%;background-size:min(46%,220px) auto}
.has-photo.case-card__media::after,.case-card__media.has-photo::after,
.split__media.has-photo::before{display:none}