/* ============================================================
   北京得利成 · 设计系统 v3.0
   Design language: Editorial / Institutional / Restrained
   参考：ManpowerGroup (Inter 600 / 2px radius / #282A32)
        Mercer (deep navy) / Randstad (single accent)
   原则：细线代替阴影，留白代替装饰，克制代替用力
   ============================================================ */

/* ---------- Web Font：Inter latin 子集（中文回退系统字体） ---------- */
@font-face{
  font-family:'Inter';
  src:url('/assets/fonts/inter-latin-400.woff2') format('woff2');
  font-weight:400;font-style:normal;font-display:swap;
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:'Inter';
  src:url('/assets/fonts/inter-latin-600.woff2') format('woff2');
  font-weight:600;font-style:normal;font-display:swap;
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}

:root{
  --ink:#14171A;
  --ink-2:#31373D;
  --muted:#5C646B;
  --muted-2:#6A7279;

  --line:#E4E6E3;
  --line-2:#CFD3CE;
  --line-deep:rgba(255,255,255,.14);

  --bg:#FFFFFF;
  --bg-warm:#F8F8F6;
  --bg-deep:#101413;
  --bg-deep-2:#171C1A;

  --accent:#006B4A;
  --accent-hover:#00543A;
  --accent-2:#00A870;
  --accent-tint:#EEF6F2;
  --gold:#A8894C;

  --r:2px;
  --r-lg:3px;

  --maxw:1240px;
  --pad:32px;
  --sec:120px;

  --font:"Inter","PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --mono:"SFMono-Regular",ui-monospace,"Roboto Mono",Menlo,monospace;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  color:var(--ink-2);
  background:var(--bg);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
  font-feature-settings:"kern" 1,"liga" 1;
}
img,svg{display:block;max-width:100%}
a{color:var(--accent);text-decoration:none;transition:color .18s}
a:hover{color:var(--accent-hover)}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,textarea,select{font-family:inherit;font-size:inherit}

/* ---------- Typography ---------- */
h1,h2,h3,h4{color:var(--ink);font-weight:600;letter-spacing:-.022em;line-height:1.16}
h1{font-size:clamp(34px,4.2vw,58px)}
h2{font-size:clamp(25px,2.7vw,38px)}
h3{font-size:clamp(17px,1.5vw,20px);line-height:1.4}
h4{font-size:15px}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}
.section{padding:var(--sec) 0}
.section--warm{background:var(--bg-warm)}
.section--tight{padding:84px 0}
.section--deep{background:var(--bg-deep);color:rgba(255,255,255,.72)}
.section--deep h2,.section--deep h3,.section--deep h4{color:#fff}

@media(max-width:1024px){:root{--sec:88px;--pad:24px}}
@media(max-width:640px){:root{--sec:64px;--pad:18px}}

/* ---------- Eyebrow ---------- */
.eyebrow{
  display:flex;align-items:center;gap:12px;
  font-family:var(--mono);
  font-size:11px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);margin-bottom:22px;
}
.eyebrow .num{color:var(--accent);font-weight:600}
.eyebrow::after{content:"";flex:1;height:1px;background:var(--line);max-width:80px}
.section--deep .eyebrow{color:rgba(255,255,255,.55)}
.section--deep .eyebrow::after{background:var(--line-deep)}
.section--deep .sec-sub{color:rgba(255,255,255,.64)}

.sec-head{max-width:760px;margin-bottom:64px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head.center .eyebrow{justify-content:center}
.sec-head.center .eyebrow::after{display:none}
.sec-title{font-size:clamp(26px,3vw,40px);letter-spacing:-.028em;line-height:1.18;margin-bottom:18px;text-wrap:balance}
.sec-sub{font-size:17px;line-height:1.75;color:var(--muted);max-width:640px}
.sec-head.center .sec-sub{margin:0 auto}
@media(max-width:640px){.sec-sub{font-size:15px}.sec-head{margin-bottom:40px}}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:var(--r);min-height:44px;
  font-size:14px;font-weight:600;letter-spacing:.01em;line-height:1;
  transition:background .18s,color .18s,border-color .18s;
  white-space:nowrap;
}
.btn svg{width:15px;height:15px;flex-shrink:0}
.btn--primary{background:var(--accent);color:#fff}
.btn--primary:hover{background:var(--accent-hover);color:#fff}
.btn--ghost{border:1px solid var(--line-2);color:var(--ink);background:transparent}
.btn--ghost:hover{border-color:var(--ink);color:var(--ink)}
.btn--light{background:#fff;color:var(--ink)}
.btn--light:hover{background:var(--bg-warm);color:var(--ink)}
.btn--on-dark{border:1px solid rgba(255,255,255,.28);color:#fff}
.btn--on-dark:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.06)}
.btn--link{padding:0;background:none;color:var(--ink);font-weight:600;border-bottom:1px solid var(--line-2);border-radius:0;padding-bottom:3px;min-height:auto}
.btn--link:hover{border-color:var(--ink);color:var(--ink)}
.btn--sm{padding:10px 18px;font-size:13px;min-height:38px}
.btn--block{display:flex;width:100%}

/* ---------- Header ---------- */
.header{
  position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid transparent;transition:border-color .25s;
}
.header.is-scrolled{border-bottom-color:var(--line)}
.header__inner{display:flex;align-items:center;gap:40px;height:76px}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo__mark{width:30px;height:30px}
.logo__text{display:flex;flex-direction:column;line-height:1.15}
.logo__cn{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.02em}
.logo__en{font-size:9px;color:var(--muted-2);letter-spacing:.2em;text-transform:uppercase;margin-top:1px}
.nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav__item{position:relative}
.nav__link{
  display:flex;align-items:center;gap:5px;padding:9px 13px;
  font-size:14px;font-weight:500;color:var(--ink-2);letter-spacing:.005em;
  border-bottom:1.5px solid transparent;transition:color .18s,border-color .18s;
}
.nav__link:hover,.nav__link.is-active{color:var(--ink);border-bottom-color:var(--accent)}
.nav__link svg{width:11px;height:11px;opacity:.4;transition:transform .2s}
.nav__item:hover .nav__link svg{transform:rotate(180deg)}
.nav__drop{
  position:absolute;top:100%;left:0;min-width:300px;padding:8px 0;
  background:#fff;border:1px solid var(--line);box-shadow:0 16px 40px rgba(20,23,26,.10);
  opacity:0;visibility:hidden;transform:translateY(-4px);transition:all .18s;
}
.nav__item:hover .nav__drop{opacity:1;visibility:visible;transform:translateY(0)}
.nav__drop a{display:block;padding:11px 20px;font-size:14px;font-weight:500;color:var(--ink-2);border-left:2px solid transparent}
.nav__drop a:hover{background:var(--bg-warm);color:var(--ink);border-left-color:var(--accent)}
.nav__drop small{display:block;font-size:12px;color:var(--muted-2);font-weight:400;margin-top:2px}
.header__cta{margin-left:4px}
.burger{display:none;width:40px;height:40px;margin-left:auto;align-items:center;justify-content:center}
.burger span{display:block;width:19px;height:1.5px;background:var(--ink);position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:19px;height:1.5px;background:var(--ink)}
.burger span::before{top:-6px}.burger span::after{top:6px}

.mobile-menu{display:none;position:fixed;inset:76px 0 0;background:#fff;z-index:99;padding:24px 18px 48px;overflow-y:auto}
.mobile-menu.is-open{display:block}
.mobile-menu a{display:block;padding:15px 2px;font-size:16px;font-weight:500;color:var(--ink);border-bottom:1px solid var(--line)}
.mobile-menu .m-sub{padding-left:14px;font-size:14.5px;color:var(--muted);font-weight:400}
.mobile-menu .btn{margin-top:24px}

@media(max-width:1080px){.nav,.header__cta{display:none}.burger{display:flex}}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative;background:var(--bg-deep);color:#fff;overflow:hidden;
  padding:112px 0 0;
}
.hero__bg{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(120% 90% at 78% 8%, rgba(0,168,112,.16) 0%, rgba(0,168,112,0) 55%),
    radial-gradient(80% 70% at 8% 90%, rgba(0,180,168,.07) 0%, rgba(0,180,168,0) 60%);
}
.hero__grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.18fr) minmax(0,.82fr);gap:72px;align-items:end}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:rgba(255,255,255,.5);margin-bottom:32px;
}
.hero__eyebrow .dot{width:5px;height:5px;background:var(--accent-2);border-radius:50%}
.hero__title{
  font-size:clamp(38px,5.4vw,76px);line-height:1.05;letter-spacing:-.038em;
  font-weight:600;color:#fff;margin-bottom:28px;text-wrap:balance;
}
.hero__title em{font-style:normal;color:var(--accent-2);white-space:nowrap}
.hero__sub{
  font-size:17px;line-height:1.78;color:rgba(255,255,255,.62);
  max-width:560px;margin-bottom:40px;
}
.hero__actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:48px}
.hero__meta{display:flex;gap:28px;flex-wrap:wrap;padding-top:24px;border-top:1px solid var(--line-deep)}
.hero__meta div{font-size:12.5px;color:rgba(255,255,255,.55);letter-spacing:.02em}
.hero__meta b{display:block;color:#fff;font-size:14px;font-weight:600;margin-bottom:2px;letter-spacing:0}

.hero__figure{position:relative;padding-bottom:8px}
.hero__figure svg{width:100%;height:auto;overflow:visible}
/* 小屏下放大 SVG 内标签，并隐藏装饰性底注 */
@media(max-width:768px){
  .hero-node-label text{font-size:16px;letter-spacing:.3}
  .hero-foot-label{display:none}
}
@media(max-width:420px){
  .hero-node-label text{font-size:18px}
}
.hero__caption{
  margin-top:14px;font-family:var(--font);font-size:11px;letter-spacing:.06em;
  color:rgba(255,255,255,.45);
}

.credbar{position:relative;z-index:1;margin-top:80px;border-top:1px solid var(--line-deep)}
.credbar__grid{display:grid;grid-template-columns:repeat(4,1fr)}
.credbar__item{
  padding:26px 24px 30px;border-right:1px solid var(--line-deep);
  display:flex;flex-direction:column;gap:5px;
}
.credbar__item:first-child{padding-left:0}
.credbar__item:last-child{border-right:none}
.credbar__k{font-family:var(--font);font-size:11px;letter-spacing:.08em;color:var(--accent-2);margin-bottom:6px}
.credbar__v{font-size:15px;font-weight:600;color:#fff;line-height:1.35}
.credbar__n{font-size:11.5px;color:rgba(255,255,255,.52);font-family:var(--mono);letter-spacing:.01em;line-height:1.5;word-break:break-all}

@media(max-width:1080px){
  .hero{padding:72px 0 0}
  .hero__grid{grid-template-columns:1fr;gap:48px;align-items:start}
  .hero__figure{max-width:420px}
  .credbar__grid{grid-template-columns:repeat(2,1fr)}
  .credbar__item:nth-child(2){border-right:none}
  .credbar__item:nth-child(1),.credbar__item:nth-child(2){border-bottom:1px solid var(--line-deep)}
  .credbar__item:nth-child(3){padding-left:0}
}
@media(max-width:640px){
  .hero__title{font-size:clamp(32px,9vw,44px);line-height:1.16}
  .hero__sub{font-size:15px}
  .credbar{margin-top:48px}
  .credbar__item{padding:20px 14px 22px}
  .credbar__v{font-size:13.5px}
}

/* ---------- 数据条 ---------- */
.statbar{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.statbar__item{padding:40px 28px;border-right:1px solid var(--line)}
.statbar__item:last-child{border-right:none}
.statbar__v{font-size:clamp(34px,4vw,52px);font-weight:600;color:var(--ink);letter-spacing:-.045em;line-height:1}
.statbar__v span{font-size:20px;color:var(--accent);margin-left:1px}
.statbar__l{font-size:12.5px;color:var(--muted);margin-top:12px;letter-spacing:.01em}
@media(max-width:768px){
  .statbar{grid-template-columns:repeat(2,1fr)}
  .statbar__item{padding:28px 18px}
  .statbar__item:nth-child(2){border-right:none}
  .statbar__item:nth-child(1),.statbar__item:nth-child(2){border-bottom:1px solid var(--line)}
}

/* ============================================================
   SERVICE ROWS
   ============================================================ */
.svc-rows{border-top:1px solid var(--line)}
.svc-row{
  display:grid;grid-template-columns:64px minmax(0,.42fr) minmax(0,.58fr) 40px;
  gap:28px;align-items:center;
  padding:34px 0;border-bottom:1px solid var(--line);
  position:relative;transition:padding .22s;
}
.svc-row::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:2px;
  background:var(--accent);transform:scaleY(0);transform-origin:top;transition:transform .28s ease;
}
.svc-row:hover{padding-left:20px}
.svc-row:hover::before{transform:scaleY(1)}
.svc-row__idx{font-family:var(--mono);font-size:11px;color:var(--muted-2);letter-spacing:.08em}
.svc-row__name{font-size:clamp(19px,1.8vw,24px);font-weight:600;color:var(--ink);letter-spacing:-.02em;line-height:1.3}
.svc-row__tags{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap}
.svc-row__desc{font-size:14.5px;line-height:1.72;color:var(--muted);max-width:520px}
.svc-row__go{
  width:36px;height:36px;border:1px solid var(--line-2);border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:var(--muted);transition:all .22s;justify-self:end;
}
.svc-row__go svg{width:14px;height:14px}
.svc-row:hover .svc-row__go{background:var(--accent);border-color:var(--accent);color:#fff}
.tag{
  display:inline-block;padding:3px 9px;border:1px solid var(--line-2);
  font-size:11px;letter-spacing:.03em;color:var(--muted);border-radius:var(--r);
}

@media(max-width:900px){
  .svc-row{grid-template-columns:40px 1fr 32px;gap:16px;padding:26px 0}
  .svc-row__desc{grid-column:2/3}
  .svc-row__go{grid-column:3;grid-row:1}
  .svc-row:hover{padding-left:12px}
}

/* ---------- 能力网格 ---------- */
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.cap{
  padding:36px 30px 40px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  transition:background .25s;
}
.cap:hover{background:var(--bg-warm)}
.cap__no{font-family:var(--mono);font-size:11px;color:var(--muted-2);letter-spacing:.08em;margin-bottom:20px}
.cap__ico{width:22px;height:22px;color:var(--accent);margin-bottom:18px}
.cap__ico svg{width:22px;height:22px}
.cap h3{font-size:18px;margin-bottom:9px}
.cap p{font-size:14px;line-height:1.72;color:var(--muted)}
.cap__tag{display:block;margin-top:16px;font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-2)}
@media(max-width:1024px){.cap-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.cap-grid{grid-template-columns:1fr}.cap{padding:28px 22px 30px}}

/* ---------- 资质表 ---------- */
.qual-table{width:100%;border-collapse:collapse;font-size:14px}
.qual-table thead th{
  text-align:left;padding:12px 16px;font-family:var(--mono);font-size:10.5px;
  letter-spacing:.1em;text-transform:uppercase;color:var(--muted);
  border-bottom:1px solid var(--line-2);font-weight:500;
}
.qual-table tbody td{padding:20px 16px;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.6}
.qual-table tbody tr{transition:background .18s}
.qual-table tbody tr:hover{background:var(--bg-warm)}
.qual-table .q-name{font-weight:600;color:var(--ink);font-size:14.5px}
.qual-table .q-std{display:block;font-size:12px;color:var(--muted-2);margin-top:3px;font-weight:400}
.qual-table .q-no{font-family:var(--mono);font-size:12px;color:var(--ink-2);word-break:break-all}
.qual-table .q-iss{font-size:12.5px;color:var(--muted)}
.qual-table .q-valid{font-size:12.5px;color:var(--muted);white-space:nowrap}
@media(max-width:820px){
  .qual-table thead{display:none}
  .qual-table tbody tr{display:block;padding:18px 0;border-bottom:1px solid var(--line)}
  .qual-table tbody td{display:block;padding:2px 0;border:none}
  .qual-table .q-no{margin-top:6px}
}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line-2)}
.flow__step{padding:36px 28px 0 0;border-right:1px solid var(--line);position:relative}
.flow__step:last-child{border-right:none;padding-right:0}
.flow__step::before{content:"";position:absolute;top:-1px;left:0;width:44px;height:2px;background:var(--accent)}
.flow__no{font-family:var(--mono);font-size:11px;color:var(--accent);letter-spacing:.1em;margin-bottom:16px}
.flow__t{font-size:18px;font-weight:600;color:var(--ink);margin-bottom:8px;letter-spacing:-.01em}
.flow__d{font-size:13.5px;line-height:1.68;color:var(--muted);padding-right:16px}
@media(max-width:900px){.flow{grid-template-columns:1fr 1fr}.flow__step{padding:28px 20px 0 0}.flow__step:nth-child(2){border-right:none}}
@media(max-width:560px){.flow{grid-template-columns:1fr}.flow__step{border-right:none;padding:26px 0 0}}

/* ---------- 承诺 ---------- */
.pledge-grid{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line-deep);border-left:1px solid var(--line-deep)}
.pledge{padding:34px 30px;border-right:1px solid var(--line-deep);border-bottom:1px solid var(--line-deep)}
.pledge__no{font-family:var(--mono);font-size:11px;color:var(--accent-2);letter-spacing:.1em;margin-bottom:16px}
.pledge h3{font-size:18px;margin-bottom:10px;letter-spacing:-.01em}
.pledge p{font-size:14px;line-height:1.72;color:rgba(255,255,255,.58)}
@media(max-width:768px){.pledge-grid{grid-template-columns:1fr}}

/* ---------- 案例 ---------- */
.case-list{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}
.case{padding:32px 30px 36px 0;border-right:1px solid var(--line)}
.case:last-child{border-right:none;padding-right:0}
.case__tag{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:16px}
.case h3{font-size:18px;line-height:1.4;margin-bottom:18px;letter-spacing:-.015em}
.case dl{font-size:13.5px;line-height:1.7}
.case dt{font-size:11px;font-family:var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted-2);margin-top:14px}
.case dd{color:var(--muted);margin-top:3px}
@media(max-width:900px){.case-list{grid-template-columns:1fr}.case{border-right:none;border-bottom:1px solid var(--line);padding:26px 0}.case:last-child{border-bottom:none}}

/* ---------- 文章 ---------- */
.post-list{border-top:1px solid var(--line)}
.post-row{
  display:grid;grid-template-columns:120px minmax(0,1fr) 36px;gap:28px;align-items:center;
  padding:28px 0;border-bottom:1px solid var(--line);transition:padding .2s;
}
.post-row:hover{padding-left:12px}
.post-row__date{font-family:var(--mono);font-size:11.5px;color:var(--muted-2);letter-spacing:.04em}
.post-row h3{font-size:18px;line-height:1.45;margin-bottom:6px;letter-spacing:-.012em}
.post-row p{font-size:13.5px;color:var(--muted);line-height:1.65;max-width:640px}
.post-row__go{width:34px;height:34px;border:1px solid var(--line-2);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--muted);justify-self:end;transition:all .2s}
.post-row__go svg{width:13px;height:13px}
.post-row:hover .post-row__go{background:var(--accent);border-color:var(--accent);color:#fff}
@media(max-width:640px){.post-row{grid-template-columns:1fr 32px;gap:12px}.post-row__date{grid-column:1/-1}}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto;border-top:1px solid var(--line)}
.faq__item{border-bottom:1px solid var(--line)}
.faq__q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:24px;
  padding:24px 0;text-align:left;font-size:16px;font-weight:600;color:var(--ink);line-height:1.55;
}
.faq__q:hover{color:var(--accent)}
.faq__icon{flex-shrink:0;width:20px;height:20px;position:relative;margin-top:3px}
.faq__icon::before,.faq__icon::after{content:"";position:absolute;background:var(--muted);transition:transform .25s,background .25s}
.faq__icon::before{left:0;top:9px;width:20px;height:1.5px}
.faq__icon::after{left:9.25px;top:0;width:1.5px;height:20px}
.faq__item.is-open .faq__icon::after{transform:rotate(90deg)}
.faq__item.is-open .faq__icon::before,.faq__item.is-open .faq__icon::after{background:var(--accent)}
.faq__a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq__a p{padding:0 0 24px;font-size:14.5px;line-height:1.8;color:var(--muted);max-width:88%}
.faq__item.is-open .faq__a{max-height:420px}

/* ---------- CTA ---------- */
.cta{position:relative;background:var(--bg-deep);color:#fff;overflow:hidden}
.cta::before{content:"";position:absolute;right:-10%;top:-40%;width:70%;height:180%;background:radial-gradient(circle,rgba(0,168,112,.13) 0%,transparent 62%)}
.cta__grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.86fr);gap:72px;align-items:start;padding:96px 0}
.cta h2{color:#fff;font-size:clamp(28px,3.2vw,42px);letter-spacing:-.03em;line-height:1.14;margin-bottom:20px;text-wrap:balance}
.cta__grid > div > p{color:rgba(255,255,255,.6);font-size:16px;line-height:1.78;margin-bottom:32px;max-width:480px}
.cta__list{display:flex;flex-direction:column;border-top:1px solid var(--line-deep)}
.cta__list li{display:flex;align-items:center;gap:12px;font-size:14px;color:rgba(255,255,255,.72);padding:14px 0;border-bottom:1px solid var(--line-deep)}
.cta__list svg{width:15px;height:15px;color:var(--accent-2);flex-shrink:0}
@media(max-width:960px){.cta__grid{grid-template-columns:1fr;gap:44px;padding:64px 0}}

/* ---------- 表单 ---------- */
.form-card{background:#fff;border:1px solid var(--line);padding:32px}
.form-card h3{font-size:18px;margin-bottom:6px;letter-spacing:-.01em}
.form-card__sub{font-size:12.5px;color:var(--muted);margin-bottom:24px;line-height:1.6}
.field{margin-bottom:16px}
.field label{display:block;font-size:11px;font-family:var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:7px}
.field label .req{color:var(--accent)}
.field input,.field textarea,.field select{
  width:100%;padding:12px 14px;border:1px solid var(--line-2);border-radius:var(--r);
  font-size:14.5px;color:var(--ink);background:#fff;transition:border-color .16s,box-shadow .16s;
}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,107,74,.08)}
.field textarea{min-height:92px;resize:vertical}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.consent{display:flex;gap:9px;align-items:flex-start;font-size:11.5px;color:var(--muted);line-height:1.6;margin:16px 0 18px}
.consent input{margin-top:2px;flex-shrink:0;width:13px;height:13px;accent-color:var(--accent)}
.form-msg{font-size:13px;margin-top:12px;display:none}
.form-msg.is-ok{display:block;color:var(--accent)}
.form-msg.is-err{display:block;color:#C0392B}
@media(max-width:520px){.field-row{grid-template-columns:1fr}.form-card{padding:24px 20px}}

/* ---------- Footer ---------- */
.footer{background:var(--bg-deep);color:rgba(255,255,255,.58);padding:80px 0 32px;font-size:13.5px}
.footer__grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.35fr;gap:48px;padding-bottom:56px;border-bottom:1px solid var(--line-deep)}
.footer h4{color:#fff;font-size:11px;font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;margin-bottom:20px;font-weight:500}
.footer a{color:rgba(255,255,255,.58)}
.footer a:hover{color:#fff}
.footer li{margin-bottom:11px;line-height:1.55}
.footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer__brand .logo__cn{color:#fff}
.footer__brand .logo__en{color:rgba(255,255,255,.45)}
.footer__desc{line-height:1.75;max-width:320px;font-size:12.5px;color:rgba(255,255,255,.52)}
.footer__contact li{display:flex;gap:9px;align-items:flex-start}
.footer__contact svg{width:14px;height:14px;flex-shrink:0;margin-top:4px;color:var(--accent-2);opacity:.7}
.footer__bottom{padding-top:26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:11.5px;color:rgba(255,255,255,.48);font-family:var(--mono);letter-spacing:.02em}
.footer__bottom a{color:rgba(255,255,255,.48)}
@media(max-width:900px){.footer__grid{grid-template-columns:1fr 1fr;gap:36px}}
@media(max-width:520px){.footer__grid{grid-template-columns:1fr}}

/* ---------- 内页 ---------- */
.page-hero{padding:72px 0 56px;border-bottom:1px solid var(--line);background:var(--bg)}
.breadcrumb{display:flex;gap:8px;align-items:center;font-size:11.5px;color:var(--muted-2);margin-bottom:26px;flex-wrap:wrap;font-family:var(--mono);letter-spacing:.03em}
.breadcrumb a{color:var(--muted-2)}
.breadcrumb a:hover{color:var(--ink)}
.breadcrumb svg{width:10px;height:10px;opacity:.4}
.page-hero h1{font-size:clamp(30px,3.8vw,50px);letter-spacing:-.032em;line-height:1.16;margin-bottom:20px;max-width:900px;text-wrap:balance}
.page-hero p{font-size:17px;line-height:1.72;max-width:720px;color:var(--muted)}
@media(max-width:768px){.page-hero{padding:48px 0 36px}.page-hero p{font-size:15px}}

.ai-summary{display:flex;gap:16px;padding:24px 26px;background:var(--accent-tint);border-left:2px solid var(--accent);margin:0 0 44px}
.ai-summary svg{width:18px;height:18px;color:var(--accent);flex-shrink:0;margin-top:2px}
.ai-summary__label{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:8px;font-weight:600}
.ai-summary p{font-size:14.5px;line-height:1.75;color:var(--ink-2);margin:0}

.content-body{font-size:15.5px;line-height:1.8;color:var(--ink-2)}
.content-body h2{margin:56px 0 20px;font-size:26px;letter-spacing:-.022em;padding-top:24px;border-top:1px solid var(--line)}
.content-body h2:first-child{margin-top:0;padding-top:0;border-top:none}
.content-body h3{margin:34px 0 14px;font-size:20px;letter-spacing:-.015em}
.content-body p{margin-bottom:18px}
.content-body ul,.content-body ol{margin:0 0 22px 20px}
.content-body ul li{list-style:disc;margin-bottom:11px}
.content-body ol li{list-style:decimal;margin-bottom:11px}
.content-body table{width:100%;border-collapse:collapse;margin:28px 0;font-size:14px}
.content-body th{background:var(--bg-warm);text-align:left;padding:12px 15px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line-2);font-size:12.5px}
.content-body td{padding:13px 15px;border-bottom:1px solid var(--line);line-height:1.65}
.content-body blockquote{border-left:2px solid var(--accent);padding:2px 0 2px 20px;color:var(--muted);margin:24px 0;font-size:15px}
.content-body strong{color:var(--ink);font-weight:600}
.content-body em{color:var(--muted-2);font-size:13.5px;font-style:normal;display:block;margin-top:6px;padding-left:14px;border-left:1px solid var(--line-2)}

.feature-list{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line);margin:28px 0}
.feature{display:flex;gap:16px;padding:26px 24px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.feature__icon{width:20px;height:20px;color:var(--accent);flex-shrink:0;margin-top:2px}
.feature__icon svg{width:20px;height:20px}
.feature h3{font-size:15.5px;margin-bottom:6px}
.feature p{font-size:13.5px;line-height:1.66;color:var(--muted)}
@media(max-width:768px){.feature-list{grid-template-columns:1fr}.feature{padding:22px 18px}}

.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line);margin:28px 0}
.scene{padding:26px 22px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.scene h3{font-size:15.5px;margin-bottom:7px;color:var(--accent);letter-spacing:-.008em}
.scene p{font-size:13px;line-height:1.66;color:var(--muted)}
@media(max-width:820px){.scene-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.scene-grid{grid-template-columns:1fr}}

.with-aside{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:64px;align-items:start}
.aside-sticky{position:sticky;top:100px}
.contact-grid{display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:64px;align-items:start}
@media(max-width:1024px){.with-aside{grid-template-columns:1fr;gap:40px}.aside-sticky{position:static}}
@media(max-width:900px){.contact-grid{grid-template-columns:1fr;gap:36px}}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .7s cubic-bezier(.22,.61,.36,1),transform .7s cubic-bezier(.22,.61,.36,1)}
.reveal.is-in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}
@media print{.header,.footer,.cta,.form-card{display:none}}

/* ============================================================
   MOTION — 克制的入场与悬浮
   ============================================================ */
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
@keyframes blurUp{from{opacity:0;transform:translateY(26px);filter:blur(8px)}to{opacity:1;transform:none;filter:blur(0)}}
@keyframes drift{from{transform:translate3d(0,0,0) scale(1)}to{transform:translate3d(-2.5%,1.5%,0) scale(1.05)}}
@keyframes spinSlow{to{transform:rotate(360deg)}}
@keyframes pulseDot{0%,100%{opacity:.85}50%{opacity:.25}}
@keyframes drawLine{from{stroke-dashoffset:var(--len)}to{stroke-dashoffset:0}}

/* Hero 序列入场 */
.hero__eyebrow{animation:fadeUp .7s .05s both}
.hero__title{animation:blurUp 1s cubic-bezier(.16,1,.3,1) .12s both}
.hero__sub{animation:fadeUp .8s .3s both}
.hero__actions{animation:fadeUp .8s .42s both}
.hero__meta{animation:fadeUp .8s .54s both}
.hero__figure{animation:fadeUp 1s .2s both}
.credbar__item{animation:fadeUp .7s both}
.credbar__item:nth-child(1){animation-delay:.62s}
.credbar__item:nth-child(2){animation-delay:.7s}
.credbar__item:nth-child(3){animation-delay:.78s}
.credbar__item:nth-child(4){animation-delay:.86s}

/* 背景缓慢漂移 */
.hero__bg{animation:drift 22s ease-in-out infinite alternate}

/* 架构图：环旋转 + 节点呼吸 */
.ring-rotate{transform-origin:260px 210px;animation:spinSlow 46s linear infinite}
.ring-rotate-rev{transform-origin:260px 210px;animation:spinSlow 72s linear infinite reverse}
.node-dot{animation:pulseDot 3.6s ease-in-out infinite}
.node-dot:nth-child(2){animation-delay:.6s}
.node-dot:nth-child(3){animation-delay:1.2s}
.node-dot:nth-child(4){animation-delay:1.8s}
.node-dot:nth-child(5){animation-delay:2.4s}
.node-dot:nth-child(6){animation-delay:3s}

/* 数据条：进入视口后逐个上浮 */
.statbar__item{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease}
.statbar.is-in .statbar__item{opacity:1;transform:none}
.statbar.is-in .statbar__item:nth-child(1){transition-delay:.05s}
.statbar.is-in .statbar__item:nth-child(2){transition-delay:.13s}
.statbar.is-in .statbar__item:nth-child(3){transition-delay:.21s}
.statbar.is-in .statbar__item:nth-child(4){transition-delay:.29s}

/* 服务行：交错进场 */
.svc-row{opacity:0;transform:translateY(10px);transition:opacity .55s ease,transform .55s ease,padding .22s}
.svc-rows.is-in .svc-row{opacity:1;transform:none}
.svc-rows.is-in .svc-row:nth-child(1){transition-delay:.03s}
.svc-rows.is-in .svc-row:nth-child(2){transition-delay:.09s}
.svc-rows.is-in .svc-row:nth-child(3){transition-delay:.15s}
.svc-rows.is-in .svc-row:nth-child(4){transition-delay:.21s}
.svc-rows.is-in .svc-row:nth-child(5){transition-delay:.27s}
.svc-rows.is-in .svc-row:nth-child(6){transition-delay:.33s}

/* 能力格：交错 */
.cap-grid.is-in .cap{animation:fadeUp .6s both}
.cap-grid.is-in .cap:nth-child(1){animation-delay:.04s}
.cap-grid.is-in .cap:nth-child(2){animation-delay:.1s}
.cap-grid.is-in .cap:nth-child(3){animation-delay:.16s}
.cap-grid.is-in .cap:nth-child(4){animation-delay:.22s}
.cap-grid.is-in .cap:nth-child(5){animation-delay:.28s}
.cap-grid.is-in .cap:nth-child(6){animation-delay:.34s}
.cap-grid .cap{opacity:0}
.cap-grid.is-in .cap{opacity:1}

/* 鼠标光晕（仅大屏） */
.cursor-glow{
  position:fixed;left:0;top:0;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,168,112,.07) 0%,rgba(0,168,112,.03) 38%,transparent 66%);
  pointer-events:none;z-index:2;opacity:0;
  transform:translate(-50%,-50%);
  transition:opacity .45s ease;
  mix-blend-mode:screen;
}
.cursor-glow.on{opacity:1}
@media(max-width:1024px){.cursor-glow{display:none}}

/* 标题下划线扫过（内页 h1） */
.page-hero h1::after{
  content:"";display:block;width:56px;height:2px;background:var(--accent);
  margin-top:26px;transform-origin:left;animation:lineGrow .9s .3s cubic-bezier(.16,1,.3,1) both;
}
@keyframes lineGrow{from{transform:scaleX(0)}to{transform:scaleX(1)}}

@media(prefers-reduced-motion:reduce){
  .hero__eyebrow,.hero__title,.hero__sub,.hero__actions,.hero__meta,.hero__figure,.credbar__item,
  .ring-rotate,.ring-rotate-rev,.node-dot,.hero__bg,.page-hero h1::after{animation:none!important}
  .statbar__item,.svc-row,.cap-grid .cap{opacity:1!important;transform:none!important}
  .cursor-glow{display:none}
}

/* ============================================================
   DOCK — 右侧悬浮转化入口
   ============================================================ */
.dock{
  position:fixed;right:22px;bottom:96px;z-index:95;
  display:flex;flex-direction:column;gap:1px;
  opacity:0;transform:translateX(14px);pointer-events:none;
  transition:opacity .35s ease,transform .35s ease;
}
.dock.is-visible{opacity:1;transform:none;pointer-events:auto}
.dock__item{
  position:relative;width:52px;height:52px;
  display:flex;align-items:center;justify-content:center;
  background:var(--bg-deep);color:#fff;border-radius:var(--r);
  transition:background .2s,width .2s;
  cursor:pointer;
}
.dock__item svg{width:19px;height:19px;flex-shrink:0}
.dock__item:hover{background:var(--accent);color:#fff}
.dock__item--accent{background:var(--accent)}
.dock__item--accent:hover{background:var(--accent-hover)}
.dock__label{
  position:absolute;right:calc(100% + 10px);top:50%;transform:translate(8px,-50%);
  background:var(--ink);color:#fff;font-size:12.5px;font-weight:500;letter-spacing:.01em;
  padding:9px 14px;border-radius:var(--r);white-space:nowrap;
  opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;
}
.dock__label::after{
  content:"";position:absolute;left:100%;top:50%;transform:translateY(-50%);
  border:5px solid transparent;border-left-color:var(--ink);
}
.dock__item:hover .dock__label{opacity:1;transform:translate(0,-50%)}
.dock__item--top{opacity:0;pointer-events:none;transition:opacity .25s}
.dock__item--top.show{opacity:1;pointer-events:auto}
.dock__dot{
  position:absolute;top:9px;right:9px;width:6px;height:6px;border-radius:50%;
  background:var(--accent-2);box-shadow:0 0 0 3px rgba(0,168,112,.22);
  animation:pulseDot 2.6s ease-in-out infinite;
}

@media(max-width:768px){
  .dock{
    right:0;left:0;bottom:0;flex-direction:row;gap:1px;
    padding:0;background:#fff;border-top:1px solid var(--line);
    box-shadow:0 -2px 20px rgba(20,23,26,.07);
    transform:translateY(100%);
  }
  .dock.is-visible{transform:none}
  .dock__item{
    flex:1;width:auto;height:56px;border-radius:0;background:#fff;color:var(--ink);
    gap:8px;font-size:13.5px;font-weight:600;
  }
  .dock__item svg{width:17px;height:17px}
  .dock__item--accent{background:var(--accent);color:#fff;flex:1.3}
  .dock__item--top{display:none}
  .dock__label{
    position:static;opacity:1;transform:none;background:none;color:inherit;
    padding:0;font-size:inherit;pointer-events:none;
  }
  .dock__label::after{display:none}
  .dock__dot{display:none}
  body{padding-bottom:56px}
}