/* ===================================================
   广州工林智能科技有限公司 · 站点样式
   =================================================== */

:root{
  --ink:#0B1620;
  --ink-2:#12222E;
  --ink-3:#1B2E3B;
  --amber:#F5821F;
  --amber-2:#FFA857;
  --paper:#FFFFFF;
  --paper-2:#F5F7F9;
  --paper-3:#EDF1F4;
  --line:#E2E8EC;
  --line-2:#D3DBE1;
  --text:#0E1B24;
  --muted:#5C6E7C;
  --muted-2:#8798A4;
  --radius:14px;
  --radius-lg:22px;
  --shadow:0 18px 44px -22px rgba(11,22,32,.28);
  --shadow-sm:0 8px 22px -14px rgba(11,22,32,.26);
  --max:1200px;
  --ease:cubic-bezier(.22,.7,.25,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  color:var(--text);
  background:var(--paper);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.02em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
::selection{background:rgba(245,130,31,.22)}

.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 28px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:999px;
  font-size:14px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;
  transition:transform .25s var(--ease),background .25s,color .25s,border-color .25s,box-shadow .25s;
  white-space:nowrap;
}
.btn--solid{background:var(--amber);color:#fff;box-shadow:0 10px 22px -12px rgba(245,130,31,.9)}
.btn--solid:hover{background:#e3720f;transform:translateY(-2px)}
.btn--line{border-color:var(--line-2);color:var(--text);background:transparent}
.btn--line:hover{border-color:var(--ink);transform:translateY(-2px)}
.btn--ghost{color:var(--text);background:var(--paper-2)}
.btn--ghost:hover{background:var(--paper-3)}
.btn--lg{height:52px;padding:0 26px;font-size:15px}
.btn--full{width:100%;height:50px}

/* ---------- 顶部条 ---------- */
.topbar{
  background:var(--ink);color:#9FB2BE;font-size:12.5px;
}
.topbar__in{display:flex;align-items:center;gap:16px;height:40px}
.topbar__item{display:inline-flex;align-items:center;gap:7px;white-space:nowrap}
.topbar__item svg{opacity:.7}
.topbar__sep{width:1px;height:12px;background:rgba(255,255,255,.16)}
.topbar__right{margin-left:auto}
.topbar__right a{color:var(--amber-2);border-bottom:1px solid rgba(255,168,87,.35);padding-bottom:1px}
.topbar__right a:hover{color:#fff}

/* ---------- 头部导航 ---------- */
.header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(14px) saturate(1.4);
  border-bottom:1px solid transparent;
  transition:border-color .3s,box-shadow .3s,background .3s;
}
.header.is-stuck{border-bottom-color:var(--line);box-shadow:0 10px 30px -24px rgba(11,22,32,.5)}
.header__in{display:flex;align-items:center;height:76px;gap:24px}

.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand__mark{color:var(--ink);display:flex}
.brand__text{display:flex;flex-direction:column;line-height:1.1}
.brand__text strong{font-size:18px;letter-spacing:.02em}
.brand__text em{
  font-style:normal;font-size:9.5px;letter-spacing:.18em;color:var(--muted-2);
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
}
.brand--light .brand__mark{color:#fff}
.brand--light .brand__text strong{color:#fff}

.nav{display:flex;align-items:center;gap:0;margin-left:auto;flex-shrink:0}
.nav a{
  position:relative;padding:8px 12px;font-size:14px;color:#33454F;border-radius:8px;
  white-space:nowrap;
  transition:color .2s,background .2s;
}
.nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--amber);transform:scaleX(0);transform-origin:left;
  transition:transform .3s var(--ease);
}
.nav a:hover{color:var(--ink)}
.nav a:hover::after,.nav a.is-active::after{transform:scaleX(1)}
.nav a.is-active{color:var(--ink);font-weight:600}

.header__cta{display:flex;align-items:center;gap:10px;margin-left:8px}
.burger{display:none;width:40px;height:40px;border:1px solid var(--line-2);border-radius:10px;background:#fff;padding:0;flex-direction:column;justify-content:center;align-items:center;gap:4px}
.burger span{display:block;width:16px;height:1.6px;background:var(--ink);transition:.25s}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(900px 500px at 82% 8%, rgba(245,130,31,.10), transparent 62%),
    linear-gradient(180deg,#FBFCFD 0%, #F4F7F9 58%, #FFFFFF 100%);
  padding:64px 0 88px;
}
.hero__grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(11,22,32,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(11,22,32,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(70% 60% at 50% 30%,#000 20%,transparent 78%);
  -webkit-mask-image:radial-gradient(70% 60% at 50% 30%,#000 20%,transparent 78%);
  pointer-events:none;
}
.hero__glow{position:absolute;right:-160px;top:-120px;width:620px;height:620px;border-radius:50%;
  background:radial-gradient(circle,rgba(245,130,31,.16),transparent 66%);filter:blur(10px);pointer-events:none}
.hero__in{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}

.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:12.5px;color:#3E525F;letter-spacing:.04em;box-shadow:var(--shadow-sm);
}
.eyebrow__dot{width:6px;height:6px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 4px rgba(245,130,31,.16)}

.hero h1{
  font-size:clamp(38px,4.4vw,62px);letter-spacing:-.035em;line-height:1.12;margin:22px 0 0;
}
.hero h1 .hl{position:relative;z-index:0;color:var(--ink);white-space:nowrap}
.hero h1 .hl::after{
  content:"";position:absolute;left:0;right:0;bottom:4px;height:12px;
  background:linear-gradient(90deg,rgba(245,130,31,.34),rgba(245,130,31,.08));
  z-index:-1;border-radius:2px;
}
.hero__lead{margin-top:22px;max-width:520px;font-size:16.5px;color:#4B5F6C;line-height:1.85}
.hero__actions{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
.hero__tags{display:flex;gap:22px;margin-top:34px;flex-wrap:wrap}
.hero__tags li{
  position:relative;padding-left:18px;font-size:13.5px;color:#4B5F6C;
}
.hero__tags li::before{
  content:"";position:absolute;left:0;top:50%;width:8px;height:8px;margin-top:-4px;
  border:2px solid var(--amber);border-radius:2px;transform:rotate(45deg);
}

/* HUD */
.hero__visual{position:relative;display:flex;justify-content:center}
.hud{position:relative;width:100%;max-width:520px;aspect-ratio:1/1}
.hud__svg{width:100%;height:100%;display:block}
.hud__spin{transform-origin:260px 260px;animation:spin 26s linear infinite}
.hud__spin--rev{animation-direction:reverse;animation-duration:38s}
@keyframes spin{to{transform:rotate(360deg)}}
.hud__line{stroke-dasharray:4 6;animation:dash 3.2s linear infinite}
@keyframes dash{to{stroke-dashoffset:-40}}
.hud__node rect{filter:drop-shadow(0 10px 20px rgba(11,22,32,.25))}

.hud__card{
  position:absolute;background:rgba(255,255,255,.94);border:1px solid var(--line);
  border-radius:12px;padding:12px 15px;box-shadow:0 16px 36px -20px rgba(11,22,32,.55);
  backdrop-filter:blur(6px);
}
.hud__card--tl{left:-6px;top:14%}
.hud__card--br{right:-4px;bottom:12%}
.hud__k{display:block;font-size:11px;color:var(--muted-2);letter-spacing:.08em}
.hud__card strong{display:block;font-size:22px;letter-spacing:-.02em;margin:2px 0 6px;font-family:ui-monospace,Menlo,monospace}
.hud__card strong i{font-style:normal;font-size:11px;color:var(--muted-2);font-family:inherit}
.hud__bar{display:block;width:104px;height:4px;background:var(--paper-3);border-radius:4px;overflow:hidden}
.hud__bar b{display:block;height:100%;background:linear-gradient(90deg,var(--amber),var(--amber-2));border-radius:4px}
.hud__dot{display:inline-flex;align-items:center;gap:6px;font-size:11px;color:var(--muted)}
.hud__dot b{width:6px;height:6px;border-radius:50%;background:#2FB67C;box-shadow:0 0 0 3px rgba(47,182,124,.16)}

/* 数据条 */
.statbar{
  position:relative;display:grid;grid-template-columns:repeat(4,1fr);
  margin:56px 0 0;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);
}
.statbar li{padding:26px 30px;border-right:1px solid var(--line);position:relative}
.statbar li:last-child{border-right:0}
.statbar li::before{
  content:"";position:absolute;left:0;top:0;width:0;height:3px;background:var(--amber);
  transition:width .5s var(--ease);
}
.statbar li:hover::before{width:100%}
.statbar strong{display:block;font-size:34px;letter-spacing:-.04em;font-family:ui-monospace,Menlo,monospace;line-height:1.1}
.statbar span{display:block;font-size:12.5px;color:var(--muted);margin-top:6px;letter-spacing:.02em}

/* ---------- 区块通用 ---------- */
.section{padding:104px 0}
.section--alt{background:var(--paper-2)}
.section--dark{background:var(--ink);color:#fff}
.sec-head{display:grid;grid-template-columns:1.35fr .65fr;gap:48px;align-items:end;margin-bottom:52px}
.sec-head h2{font-size:clamp(28px,3vw,40px);margin-top:16px;line-height:1.28}
.sec-head__note{font-size:14.5px;color:var(--muted);line-height:1.85;padding-bottom:6px}
/* 无大标题的紧凑区块头 */
.sec-head--slim{display:block;max-width:780px;margin-bottom:46px}
.sec-head--slim .sec-head__note{margin-top:14px;padding-bottom:0;font-size:15px;line-height:1.9}
.sec-head--slim .tag{color:var(--ink);font-size:12.5px;letter-spacing:.16em}
.section--dark .sec-head__note{color:#93A7B4}

.tag{
  display:inline-flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.14em;
  color:var(--muted);text-transform:uppercase;
}
.tag b{
  font-family:ui-monospace,Menlo,monospace;color:var(--amber);font-size:11px;
  border:1px solid rgba(245,130,31,.35);border-radius:5px;padding:2px 5px;letter-spacing:.04em;
}
.tag--light{color:#8DA3B0}

/* ---------- 能力卡片 ---------- */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px 24px;overflow:hidden;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s;
}
.card::after{
  content:"";position:absolute;inset:auto 0 0 0;height:3px;
  background:linear-gradient(90deg,var(--amber),rgba(245,130,31,0));
  transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease);
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#CFD9E0}
.card:hover::after{transform:scaleX(1)}
.card__ico{
  width:48px;height:48px;border-radius:12px;display:grid;place-items:center;
  background:var(--paper-2);color:var(--ink);margin-bottom:18px;border:1px solid var(--line);
  transition:background .3s,color .3s,border-color .3s;
}
.card:hover .card__ico{background:var(--ink);color:var(--amber-2);border-color:var(--ink)}
.card h3{font-size:16.5px;margin-bottom:10px}
.card p{font-size:13.8px;color:var(--muted);line-height:1.8}
.card__meta{
  display:inline-block;margin-top:16px;font-size:10.5px;letter-spacing:.1em;
  color:var(--muted-2);font-family:ui-monospace,Menlo,monospace;
  border-top:1px solid var(--line);padding-top:12px;width:100%;
}

/* ---------- 产品 ---------- */
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:26px}
.chip{
  height:38px;padding:0 18px;border-radius:999px;border:1px solid var(--line-2);
  background:#fff;color:#42555F;font-size:13.5px;transition:.25s var(--ease);
}
.chip:hover{border-color:var(--ink);color:var(--ink)}
.chip.is-on{background:var(--ink);border-color:var(--ink);color:#fff}

.plist{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.pcard{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;cursor:pointer;text-align:left;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .3s;
  display:flex;flex-direction:column;
}
.pcard:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#CBD6DD}
.pcard__top{
  position:relative;height:168px;display:grid;place-items:center;
  background:linear-gradient(150deg,#F7F9FA 0%,#EDF1F4 100%);
  border-bottom:1px solid var(--line);overflow:hidden;
}
.pcard__top::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(11,22,32,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(11,22,32,.05) 1px,transparent 1px);
  background-size:26px 26px;
  mask-image:radial-gradient(60% 60% at 50% 50%,#000,transparent 78%);
  -webkit-mask-image:radial-gradient(60% 60% at 50% 50%,#000,transparent 78%);
}
.pcard__top svg{position:relative;width:112px;height:112px;color:var(--ink-3);transition:transform .45s var(--ease),color .3s}
.pcard:hover .pcard__top svg{transform:scale(1.06);color:var(--amber)}
.pcard__badge{
  position:absolute;left:14px;top:14px;font-size:10.5px;letter-spacing:.1em;
  background:rgba(11,22,32,.86);color:#fff;padding:4px 9px;border-radius:5px;
}
.pcard__body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.pcard__body h3{font-size:16px;margin-bottom:8px}
.pcard__body p{font-size:13.4px;color:var(--muted);line-height:1.75;flex:1}
.pcard__foot{
  display:flex;align-items:center;justify-content:space-between;margin-top:16px;
  padding-top:14px;border-top:1px solid var(--line);font-size:12px;color:var(--muted-2);
}
.pcard__more{display:inline-flex;align-items:center;gap:6px;color:var(--ink);font-weight:600;font-size:12.5px}
.pcard__more svg{transition:transform .3s var(--ease)}
.pcard:hover .pcard__more svg{transform:translateX(4px)}

/* ---------- 解决方案 ---------- */
.sol{display:flex;flex-direction:column;gap:22px}
.sol__row{
  display:grid;grid-template-columns:.85fr 1.15fr;gap:0;
  border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:#fff;
  transition:box-shadow .35s var(--ease),border-color .3s;
}
.sol__row:hover{box-shadow:var(--shadow);border-color:#CFD9E0}
.sol__row--rev .sol__visual{order:2}
.sol__visual{
  position:relative;display:grid;place-items:center;padding:30px;
  background:linear-gradient(150deg,#101F2A,#0B1620);
}
.sol__visual svg{width:100%;max-width:340px;height:auto}
.sol__no{
  position:absolute;left:22px;top:18px;font-family:ui-monospace,Menlo,monospace;
  font-size:12px;color:rgba(255,255,255,.4);letter-spacing:.16em;
}
.sol__visual--a{background:linear-gradient(150deg,#12242F,#0B1620)}
.sol__visual--b{background:linear-gradient(150deg,#0F2029,#0A141C)}
.sol__visual--c{background:linear-gradient(150deg,#132630,#0B1620)}
.sol__body{padding:38px 40px}
.sol__kicker{font-size:11px;letter-spacing:.16em;color:var(--amber);font-family:ui-monospace,Menlo,monospace}
.sol__body h3{font-size:23px;margin:12px 0 14px;letter-spacing:-.025em}
.sol__body p{font-size:14.5px;color:var(--muted);line-height:1.85;max-width:560px}
.ticks{margin-top:20px;display:grid;gap:9px}
.ticks li{position:relative;padding-left:24px;font-size:13.6px;color:#33454F}
.ticks li::before{
  content:"";position:absolute;left:0;top:7px;width:12px;height:7px;
  border-left:2px solid var(--amber);border-bottom:2px solid var(--amber);
  transform:rotate(-45deg);border-radius:1px;
}

/* ---------- 项目部 ---------- */
.feat{display:grid;gap:22px;margin-bottom:26px}
.feat__row{
  display:grid;grid-template-columns:1.05fr .95fr;
  border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:#fff;
  transition:box-shadow .35s var(--ease),border-color .3s;
}
.feat__row:hover{box-shadow:var(--shadow);border-color:#CFD9E0}
.feat__row--rev .feat__img{order:2}
.feat__img{position:relative;min-height:300px;background:#0B1620}
.feat__img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.feat__body{padding:38px 40px;display:flex;flex-direction:column;justify-content:center}
.feat__body h3{font-size:24px;margin:12px 0;letter-spacing:-.02em}
.feat__body p{font-size:14.5px;color:var(--muted);line-height:1.85}
.nums{margin-top:22px;display:flex;flex-wrap:wrap;gap:10px}
.nums li{
  display:inline-flex;align-items:center;gap:9px;
  background:var(--paper-2);border:1px solid var(--line);border-radius:999px;
  padding:6px 15px 6px 7px;font-size:13.5px;font-weight:600;color:#22333E;
  transition:border-color .25s,transform .25s var(--ease);
}
.nums li:hover{border-color:var(--amber);transform:translateY(-2px)}
.nums b{
  display:grid;place-items:center;width:24px;height:24px;border-radius:50%;
  background:var(--ink);color:#fff;font-family:ui-monospace,Menlo,monospace;font-size:11.5px;
}
.nums--amber b{background:var(--amber)}

.dept-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.dept-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .3s;
}
.dept-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#CBD6DD}
.dept-card__img{position:relative;aspect-ratio:10/7;overflow:hidden;background:var(--paper-2);cursor:zoom-in}
.dept-card__img::after{
  content:"点击查看大图";position:absolute;right:10px;bottom:10px;z-index:2;
  font-size:10.5px;color:#fff;background:rgba(11,22,32,.72);border-radius:5px;
  padding:3px 9px;letter-spacing:.04em;opacity:0;transition:opacity .3s;pointer-events:none;
}
.dept-card:hover .dept-card__img::after{opacity:1}
.feat__img{cursor:zoom-in}
.feat__img::after{
  content:"点击查看大图";position:absolute;right:14px;bottom:14px;z-index:2;
  font-size:11px;color:#fff;background:rgba(11,22,32,.72);border-radius:5px;
  padding:4px 11px;letter-spacing:.04em;opacity:0;transition:opacity .3s;pointer-events:none;
}
.feat__img:hover::after{opacity:1}
.dept-card__img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .55s var(--ease)}
.dept-card:hover .dept-card__img img{transform:scale(1.045)}
.dept-card__body{padding:17px 20px 19px;border-top:1px solid var(--line)}
.dept-card__body h3{font-size:15.5px}
.dept-card__body p{font-size:12.5px;color:var(--muted-2);margin-top:4px;letter-spacing:.01em}
.dept-card__tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:13px}
.dept-card__tags li{
  font-size:11px;color:#42555F;background:var(--paper-2);
  border:1px solid var(--line);border-radius:6px;padding:3px 9px;
}

/* ---------- 服务商视频案例 ---------- */
.vgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.vcard{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  cursor:pointer;text-align:left;transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .3s;
  display:flex;flex-direction:column;
}
.vcard:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#CBD6DD}
.vcard__media{position:relative;aspect-ratio:9/13;overflow:hidden;background:var(--ink)}
.vcard__media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .55s var(--ease);opacity:.94}
.vcard:hover .vcard__media img{transform:scale(1.05)}
.vcard__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,22,32,.42) 0%,rgba(11,22,32,0) 34%,rgba(11,22,32,0) 56%,rgba(11,22,32,.62) 100%);
}
.vplay{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:46px;height:46px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,255,255,.92);color:var(--ink);z-index:2;
  box-shadow:0 10px 26px -8px rgba(0,0,0,.55);
  transition:transform .3s var(--ease),background .3s;
}
.vplay svg{margin-left:3px}
.vcard:hover .vplay{transform:translate(-50%,-50%) scale(1.1);background:var(--amber);color:#fff}
.vdur{
  position:absolute;right:9px;bottom:9px;z-index:2;
  font-family:ui-monospace,Menlo,monospace;font-size:10.5px;color:#fff;
  background:rgba(11,22,32,.78);border-radius:5px;padding:2px 7px;letter-spacing:.04em;
}
.vkind{
  position:absolute;left:9px;top:9px;z-index:2;
  font-size:10px;letter-spacing:.08em;color:#fff;border-radius:5px;padding:3px 8px;
}
.vkind--fix{background:rgba(245,130,31,.94)}
.vkind--demo{background:rgba(11,22,32,.82)}
.vcard__body{padding:14px 16px 15px;display:flex;flex-direction:column;flex:1;border-top:1px solid var(--line)}
.vcard__body h4{font-size:14px;line-height:1.4;letter-spacing:-.01em}
.vline{position:relative;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  font-size:12px;line-height:1.6;margin-top:8px;padding-left:15px;color:var(--muted)}
.vline::before{content:"";position:absolute;left:0;top:6px;width:7px;height:7px;border-radius:2px}
.vline--p::before{background:#E5484D}
.vline--s::before{background:#2FB67C}
.vmeta{margin-top:auto;padding-top:10px;font-size:10.5px;color:var(--muted-2);letter-spacing:.02em}
.vmeta b{color:#8798A4;font-weight:600}

.vempty{
  display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center;
  border:1px dashed var(--line-2);border-radius:var(--radius-lg);padding:56px 24px;color:var(--muted);
}
.vplan{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  margin-top:26px;border:1px solid var(--line);border-radius:var(--radius-lg);
  background:linear-gradient(120deg,#FBFCFD,#F1F4F7);padding:22px 26px;
}
.vplan b{display:block;font-size:15.5px}
.vplan span{display:block;font-size:12.5px;color:var(--muted);margin-top:4px;max-width:560px}

/* 视频弹层 */
.vmodal{position:fixed;inset:0;z-index:210;display:none;align-items:center;justify-content:center;padding:24px}
.vmodal.open{display:flex}
.vmodal__box{
  position:relative;background:#fff;border-radius:20px;max-width:440px;width:100%;
  box-shadow:0 40px 90px -40px rgba(0,0,0,.6);animation:pop .32s var(--ease);overflow:hidden;
}
.vmodal__stage{position:relative;background:#0B1620;display:flex;justify-content:center}
.vmodal__stage video{display:block;width:100%;max-height:58vh;background:#000}
.vcaps{position:absolute;left:12px;top:12px;right:64px;display:grid;gap:7px;pointer-events:none}
.vcap{
  display:inline-flex;align-items:flex-start;gap:8px;max-width:100%;
  background:rgba(11,22,32,.82);backdrop-filter:blur(6px);color:#fff;
  border-radius:9px;padding:7px 11px;font-size:12px;line-height:1.55;
}
.vcap b{flex-shrink:0;color:#fff;border-radius:5px;padding:1px 6px;font-size:10.5px;letter-spacing:.06em}
.vcap--p b{background:#E5484D}
.vcap--s b{background:#1E9E62}
.vcap--d b{background:var(--amber)}
.vmodal__meta{padding:20px 24px 22px}
.vmodal__cat{font-size:10.5px;letter-spacing:.12em;color:var(--amber);font-family:ui-monospace,Menlo,monospace}
.vmodal__meta h3{font-size:18px;margin:7px 0 12px}
.vmodal__rows{display:grid;gap:8px}
.vrow{display:flex;gap:10px;font-size:13px;line-height:1.7}
.vrow b{flex-shrink:0;width:44px;height:22px;border-radius:6px;display:grid;place-items:center;font-size:11px;color:#fff;letter-spacing:.04em}
.vrow--p b{background:#E5484D}
.vrow--s b{background:#1E9E62}
.vrow--d b{background:var(--amber)}
.vrow span{color:#33454F}
.vmodal__src{margin-top:12px;font-size:11.5px;color:var(--muted-2);border-top:1px dashed var(--line);padding-top:10px}

/* ---------- 关于 ---------- */
.about{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.about__left h2{font-size:clamp(28px,3vw,40px);margin:16px 0 22px;line-height:1.28}
.about__left p{font-size:14.6px;color:#9DB0BC;line-height:1.95;margin-bottom:14px;max-width:520px}
.about__mini{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:32px;border-top:1px solid rgba(255,255,255,.1);padding-top:26px}
.about__mini b{display:block;font-size:26px;letter-spacing:-.02em;color:#fff;line-height:1.2}
.about__mini b small{font-size:11px;color:#8DA3B0;font-weight:400;letter-spacing:0}
.about__mini span{display:block;font-size:11.5px;color:#7E93A0;margin-top:4px}

.timeline{position:relative;padding-left:26px}
.timeline::before{content:"";position:absolute;left:4px;top:8px;bottom:8px;width:1px;background:linear-gradient(180deg,rgba(245,130,31,.7),rgba(255,255,255,.08))}
.timeline li{position:relative;padding:0 0 26px 26px;display:grid;grid-template-columns:58px 1fr;gap:6px;align-items:baseline}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{
  content:"";position:absolute;left:-26px;top:8px;width:9px;height:9px;border-radius:50%;
  background:var(--ink);border:2px solid var(--amber);transform:translateX(-0.5px);
}
.tl-year{font-family:ui-monospace,Menlo,monospace;font-size:13px;color:var(--amber);letter-spacing:.04em}
.timeline h4{font-size:15px;color:#fff;margin-bottom:4px}
.timeline p{font-size:13px;color:#8DA3B0;line-height:1.75;margin:0}

/* ---------- 服务网络 ---------- */
.net{display:grid;grid-template-columns:1.05fr .95fr;gap:22px;align-items:stretch}
.net__hub{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  background:linear-gradient(160deg,#F7F9FA,#EAEFF3);
  border:1px solid var(--line);
  padding:40px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:34px;
}
.net__hub::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(11,22,32,.10) 1px,transparent 1px);
  background-size:20px 20px;
  mask-image:radial-gradient(60% 60% at 50% 45%,#000,transparent 76%);
  -webkit-mask-image:radial-gradient(60% 60% at 50% 45%,#000,transparent 76%);
}
.net__core{
  position:relative;z-index:2;width:150px;height:150px;border-radius:50%;
  background:var(--ink);color:#fff;display:grid;place-content:center;text-align:center;
  box-shadow:0 24px 50px -26px rgba(11,22,32,.85);
}
.net__core strong{display:block;font-size:22px;letter-spacing:.06em}
.net__core span{display:block;font-size:10.5px;color:#93A7B4;letter-spacing:.08em;margin-top:2px}
.net__pulse{
  position:absolute;left:50%;top:50%;width:150px;height:150px;margin:-75px 0 0 -75px;border-radius:50%;
  border:1px solid rgba(245,130,31,.5);animation:pulse 3s ease-out infinite;z-index:1;
}
@keyframes pulse{
  0%{transform:scale(1);opacity:.9}
  100%{transform:scale(2.05);opacity:0}
}
.net__nodes{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:10px;width:100%}
.net__nodes li{
  background:rgba(255,255,255,.86);border:1px solid var(--line);border-radius:10px;
  padding:11px 12px;transition:.3s var(--ease);
}
.net__nodes li:hover{border-color:var(--amber);transform:translateY(-3px);background:#fff}
.net__nodes b{display:block;font-size:13px}
.net__nodes span{display:block;font-size:10.5px;color:var(--muted-2);margin-top:2px}

.net__list{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.net__item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  transition:.35s var(--ease);
}
.net__item:hover{border-color:#CFD9E0;box-shadow:var(--shadow-sm);transform:translateY(-3px)}
.net__num{
  display:grid;place-items:center;width:26px;height:26px;border-radius:8px;
  background:var(--paper-2);border:1px solid var(--line);
  font-family:ui-monospace,Menlo,monospace;font-size:12px;color:var(--amber);
  margin-bottom:14px;
}
.net__item h4{font-size:15px;margin-bottom:8px}
.net__item p{font-size:13px;color:var(--muted);line-height:1.78}

/* ---------- 联系 ---------- */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.contact__info h2{font-size:clamp(26px,2.8vw,36px);margin:16px 0 14px;line-height:1.35}
.contact__info > p{font-size:14.5px;color:var(--muted);max-width:440px}
.clist{margin-top:34px;display:grid;gap:2px}
.clist li{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.clist li:first-child{border-top:1px solid var(--line)}
.clist__ico{
  flex-shrink:0;width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  background:#fff;border:1px solid var(--line);color:var(--ink);
}
.clist b{display:block;font-size:12px;letter-spacing:.08em;color:var(--muted-2);font-weight:600;margin-bottom:3px}
.clist p{font-size:14.5px;color:var(--text);line-height:1.7}

.form{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px;box-shadow:var(--shadow);
}
.form__head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:20px}
.form__head h3{font-size:19px}
.form__head span{font-size:11.5px;color:var(--muted-2);letter-spacing:.06em}
.form__grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form__grid label{display:block}
.form__grid label.full{grid-column:1/-1}
.form__grid span{display:block;font-size:12.5px;color:#42555F;margin-bottom:6px}
.form input,.form textarea{
  width:100%;border:1px solid var(--line-2);border-radius:10px;padding:11px 13px;
  font-size:14px;font-family:inherit;color:var(--text);background:#FCFDFD;
  transition:border-color .2s,box-shadow .2s,background .2s;resize:vertical;
}
.form input::placeholder,.form textarea::placeholder{color:#A9B7C0}
.form input:focus,.form textarea:focus{
  outline:none;border-color:var(--amber);background:#fff;
  box-shadow:0 0 0 4px rgba(245,130,31,.12);
}
.form .btn--full{margin-top:18px}
.form__note{font-size:11.5px;color:var(--muted-2);margin-top:12px;text-align:center}
.form__ok{
  display:none;margin-top:14px;padding:11px 14px;border-radius:10px;
  background:rgba(47,182,124,.1);border:1px solid rgba(47,182,124,.3);
  color:#1E7A54;font-size:13px;text-align:center;
}
.form__ok.show{display:block}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink);color:#93A7B4;padding:64px 0 0}
.footer__top{display:grid;grid-template-columns:1.1fr 1.4fr;gap:48px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer__brand p{font-size:13px;line-height:1.9;margin-top:18px;color:#7E93A0}
.footer__cols{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.footer__cols h5{font-size:12px;letter-spacing:.14em;color:#fff;margin-bottom:14px;font-weight:600}
.footer__cols a{display:block;font-size:13px;color:#8DA3B0;padding:5px 0;transition:color .2s}
.footer__cols a:hover{color:var(--amber-2)}
.footer__bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:20px 0 26px;font-size:11.5px;color:#6D8290;letter-spacing:.02em}
.footer__bottom .icp{color:#6D8290;text-decoration:none;border-bottom:1px solid rgba(109,130,144,.4);transition:color .2s,border-color .2s}
.footer__bottom .icp:hover{color:var(--orange);border-color:var(--orange)}

/* ---------- 弹层 ---------- */
.modal{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;padding:24px}
.modal.open{display:flex}
.modal__mask{position:absolute;inset:0;background:rgba(11,22,32,.62);backdrop-filter:blur(6px);animation:fade .25s ease}
@keyframes fade{from{opacity:0}to{opacity:1}}
.modal__box{
  position:relative;background:#fff;border-radius:20px;padding:36px;max-width:520px;width:100%;
  box-shadow:0 40px 90px -40px rgba(0,0,0,.6);animation:pop .32s var(--ease);
  max-height:86vh;overflow:auto;
}
@keyframes pop{from{opacity:0;transform:translateY(16px) scale(.97)}to{opacity:1;transform:none}}
.modal__x{
  position:absolute;right:14px;top:12px;width:34px;height:34px;border-radius:50%;
  border:1px solid var(--line);background:#fff;font-size:20px;line-height:1;color:var(--muted);
}
.modal__x:hover{background:var(--paper-2);color:var(--ink)}
.modal__ico{width:56px;height:56px;border-radius:14px;background:var(--paper-2);display:grid;place-items:center;border:1px solid var(--line);margin-bottom:16px}
.modal__ico svg{width:32px;height:32px;color:var(--ink-3)}
.modal__cat{font-size:10.5px;letter-spacing:.12em;color:var(--amber);font-family:ui-monospace,Menlo,monospace}
.modal__box h3{font-size:21px;margin:8px 0 12px}
.modal__desc{font-size:14px;color:var(--muted);line-height:1.85}
.modal__specs{margin-top:18px;display:grid;gap:0}
.modal__specs li{
  display:flex;justify-content:space-between;gap:16px;font-size:13px;
  padding:10px 0;border-bottom:1px dashed var(--line);
}
.modal__specs li:first-child{border-top:1px dashed var(--line)}
.modal__specs b{color:var(--muted-2);font-weight:500;flex-shrink:0}
.modal__specs span{text-align:right;color:var(--text)}
.modal__cta{display:flex;gap:10px;margin-top:24px}
.modal__cta .btn{flex:1}

/* ---------- 大图查看 ---------- */
.lightbox{position:fixed;inset:0;z-index:220;display:none;align-items:center;justify-content:center;padding:32px}
.lightbox.open{display:flex}
.lightbox__box{position:relative;margin:0;max-width:min(1100px,94vw);animation:pop .3s var(--ease)}
.lightbox__box img{
  width:100%;max-height:82vh;object-fit:contain;border-radius:14px;background:#fff;
  box-shadow:0 40px 90px -40px rgba(0,0,0,.65);
}
.lightbox__box .modal__x{position:absolute;right:10px;top:10px;z-index:2}

/* ---------- 回顶 ---------- */
.totop{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;
  background:var(--ink);color:#fff;border:0;font-size:16px;z-index:70;
  opacity:0;pointer-events:none;transform:translateY(10px);
  transition:.3s var(--ease);box-shadow:0 14px 30px -14px rgba(11,22,32,.8);
}
.totop.show{opacity:1;pointer-events:auto;transform:none}
.totop:hover{background:var(--amber)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .hud__spin,.hud__line,.net__pulse{animation:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media (max-width:1240px){
  .header__in{gap:16px}
  .nav a{padding:8px 9px;font-size:13.5px}
  .nav a::after{left:9px;right:9px}
  .header__cta{gap:8px;margin-left:4px}
  .header__cta .btn{padding:0 16px;font-size:13.5px}
}
@media (max-width:1140px){
  .header__cta .btn--ghost{width:42px;padding:0;flex:none}
  .header__cta .cta-tel{display:none}
  .brand__text em{font-size:9px;letter-spacing:.14em}
}
@media (max-width:1080px){
  .nav a{padding:8px 8px;font-size:13.5px}
  .hero__in{grid-template-columns:1fr;gap:16px}
  .hero__visual{order:2;max-height:420px}
  .hud{max-width:400px}
  .cards{grid-template-columns:repeat(2,1fr)}
  .plist{grid-template-columns:repeat(2,1fr)}
  .dept-grid{grid-template-columns:repeat(2,1fr)}
  .vgrid{grid-template-columns:repeat(2,1fr)}
  .about{grid-template-columns:1fr;gap:44px}
  .net{grid-template-columns:1fr}
  .contact{grid-template-columns:1fr;gap:36px}
  .footer__top{grid-template-columns:1fr;gap:36px}
}
@media (max-width:980px){
  .nav{
    position:fixed;left:0;right:0;top:76px;flex-direction:column;align-items:stretch;
    background:#fff;border-bottom:1px solid var(--line);padding:10px 20px 20px;
    box-shadow:0 20px 40px -24px rgba(11,22,32,.4);margin:0;
    transform:translateY(-130%);transition:transform .35s var(--ease);
  }
  .nav.open{transform:none}
  .nav a{padding:12px 6px;font-size:15px;border-bottom:1px solid var(--paper-3)}
  .nav a::after{display:none}
  .burger{display:flex}
  .header__cta{margin-left:auto}
}
@media (max-width:820px){
  .topbar{display:none}
  .wrap{padding:0 20px}
  .header__in{height:66px}
  .nav{
    position:fixed;left:0;right:0;top:66px;flex-direction:column;align-items:stretch;
    background:#fff;border-bottom:1px solid var(--line);padding:10px 20px 20px;
    box-shadow:0 20px 40px -24px rgba(11,22,32,.4);
    transform:translateY(-120%);transition:transform .35s var(--ease);margin:0;
  }
  .nav.open{transform:none}
  .nav a{padding:12px 6px;font-size:15px;border-bottom:1px solid var(--paper-3)}
  .nav a::after{display:none}
  .burger{display:flex}
  .header__cta{margin-left:auto}
  .hero{padding-top:40px}
  .hero h1{font-size:clamp(32px,8vw,44px)}
  .hero__visual{display:none}
  .section{padding:72px 0}
  .sec-head{grid-template-columns:1fr;gap:16px;margin-bottom:34px}
  .statbar{grid-template-columns:1fr 1fr;margin-top:40px}
  .statbar li{border-bottom:1px solid var(--line)}
  .statbar li:nth-child(2n){border-right:0}
  .statbar li:nth-child(n+3){border-bottom:0}
  .cards{grid-template-columns:1fr}
  .plist{grid-template-columns:1fr}
  .sol__row,.sol__row--rev{grid-template-columns:1fr}
  .sol__row--rev .sol__visual{order:0}
  .feat__row,.feat__row--rev{grid-template-columns:1fr}
  .feat__row--rev .feat__img{order:0}
  .feat__img{aspect-ratio:16/10;min-height:0}
  .feat__body{padding:28px 24px}
  .dept-grid{grid-template-columns:1fr}
  .vgrid{grid-template-columns:1fr 1fr}
  .vcard__media{aspect-ratio:9/12}
  .sol__body{padding:28px 24px}
  .sol__visual{padding:22px}
  .sol__visual svg{max-width:260px}
  .net__nodes{grid-template-columns:1fr 1fr}
  .net__list{grid-template-columns:1fr}
  .form__grid{grid-template-columns:1fr}
  .footer__cols{grid-template-columns:1fr 1fr}
  .footer__bottom{flex-direction:column;gap:6px}
  .about__mini{grid-template-columns:1fr 1fr 1fr;gap:10px}
}
@media (max-width:480px){
  .hero__actions .btn{width:100%}
  .hero__tags{gap:14px}
  .statbar strong{font-size:26px}
  .statbar li{padding:20px}
  .footer__cols{grid-template-columns:1fr}
  .modal__box{padding:26px 20px}
}