@charset "utf-8";
/* =====================================================================
   小二CMS · OA 协同办公系统  ——  全新视觉（墨金 · 玻璃质感 · 高端商务）
   本文件为 xiaoercms_oa.html 专属样式，不依赖 wfx.css，设计语言完全独立。
   ===================================================================== */

:root{
  --oa-ink-900:#070a12;
  --oa-ink-850:#0a0e1a;
  --oa-ink-800:#0c111f;
  --oa-ink-700:#111a2e;
  --oa-ink-600:#16213b;
  --oa-gold:#c9a35a;
  --oa-gold-2:#e3c890;
  --oa-gold-3:#f4e2bb;
  --oa-gold-deep:#a47d3a;
  --oa-blue:#3b82f6;
  --oa-blue-soft:rgba(59,130,246,.16);
  --oa-line:rgba(201,163,90,.20);
  --oa-line-soft:rgba(255,255,255,.08);
  --oa-txt:#e9eef8;
  --oa-txt-dim:rgba(233,238,248,.64);
  --oa-txt-mute:rgba(233,238,248,.40);
  --oa-light:#f6f7fb;
  --oa-light-2:#eef1f7;
  --oa-ink:#0c1424;
  --oa-body:#56607a;
  --oa-r:22px;
  --oa-r-sm:14px;
  --oa-ease:cubic-bezier(.22,.61,.36,1);
  --oa-serif:"Noto Serif SC","Songti SC",Georgia,"Times New Roman",serif;
  --oa-sans:"Microsoft YaHei","PingFang SC","Hiragino Sans GB",-apple-system,"Segoe UI",sans-serif;
}

.oa-box{max-width:none;margin:0 auto;padding:0 clamp(20px,3.2vw,52px);}
.oa-sec{position:relative;padding:clamp(64px,7vw,112px) 0;}
.oa-sec--dark{
  background:
    radial-gradient(1100px 560px at 82% -8%,rgba(201,163,90,.12),transparent 60%),
    radial-gradient(900px 520px at -6% 112%,rgba(59,130,246,.12),transparent 55%),
    linear-gradient(180deg,var(--oa-ink-850),var(--oa-ink-800));
  color:#fff;overflow:hidden;
}
.oa-sec--dark::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(120% 90% at 50% 0%,#000 30%,transparent 80%);
          mask-image:radial-gradient(120% 90% at 50% 0%,#000 30%,transparent 80%);
}
.oa-sec--light{background:var(--oa-light);}
.oa-sec--white{background:#fff;}

/* ===== 区块标题 ===== */
.oa-head{text-align:center;max-width:780px;margin:0 auto clamp(40px,4vw,66px);position:relative;z-index:2;}
.oa-eyebrow{display:inline-flex;align-items:center;gap:12px;font-size:12.5px;letter-spacing:.3em;font-weight:600;color:var(--oa-gold);text-transform:uppercase;margin-bottom:20px;}
.oa-eyebrow::before,.oa-eyebrow::after{content:"";width:30px;height:1px;background:linear-gradient(90deg,transparent,var(--oa-gold));}
.oa-eyebrow::after{background:linear-gradient(90deg,var(--oa-gold),transparent);}
.oa-head h2{font-family:var(--oa-serif);font-size:clamp(27px,3.4vw,44px);font-weight:700;line-height:1.28;color:var(--oa-ink);letter-spacing:.02em;}
.oa-head p{margin-top:16px;font-size:clamp(14px,1vw,16px);color:var(--oa-body);line-height:1.85;}
.oa-sec--dark .oa-head h2{color:#fff;}
.oa-sec--dark .oa-head p{color:var(--oa-txt-dim);}
.oa-head .oa-accent{color:var(--oa-gold);}

/* ===== 滚动揭示动画 ===== */
.oa-reveal{opacity:0;transform:translateY(30px);transition:opacity .9s var(--oa-ease),transform .9s var(--oa-ease);}
.oa-reveal.in{opacity:1;transform:none;}

/* ============================ HERO ============================ */
.oa-hero{position:relative;overflow:hidden;min-height:100vh;display:flex;flex-direction:column;justify-content:center;
  padding:clamp(96px,12vh,150px) 0 clamp(64px,8vh,110px);
  background:
    radial-gradient(900px 520px at 88% -10%,rgba(201,163,90,.18),transparent 60%),
    radial-gradient(820px 560px at 6% 18%,rgba(59,130,246,.16),transparent 58%),
    linear-gradient(165deg,#0a0e1a 0%,#0c1322 48%,#0a0f1c 100%);
  color:#fff;}
.oa-hero-inner{width:100%;}
.oa-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--oa-line),transparent);}
.oa-hero-grid{position:absolute;inset:0;opacity:.4;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:60px 60px;
  -webkit-mask-image:radial-gradient(90% 70% at 60% 20%,#000,transparent 75%);
          mask-image:radial-gradient(90% 70% at 60% 20%,#000,transparent 75%);}
.oa-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.04fr .96fr;gap:clamp(20px,2.2vw,40px);align-items:center;text-align:left;}
.oa-hero-badge{display:inline-flex;align-items:center;gap:10px;padding:8px 18px;border-radius:50px;
  font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--oa-gold-2);
  background:rgba(201,163,90,.10);border:1px solid var(--oa-line);margin:clamp(10px,6vh,72px) 0 22px;}
.oa-hero-badge i{color:var(--oa-gold);}
.oa-hero-title{font-family:var(--oa-serif);font-size:clamp(38px,5.4vw,68px);font-weight:700;line-height:1.12;letter-spacing:.01em;}
.oa-hero-title .oa-hl{background:linear-gradient(120deg,var(--oa-gold-2),var(--oa-gold));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.oa-hero-sub{margin-top:18px;font-size:clamp(16px,1.4vw,20px);font-weight:500;color:#fff;letter-spacing:.02em;}
.oa-hero-desc{margin-top:18px;max-width:520px;font-size:15px;line-height:1.95;color:var(--oa-txt-dim);}
.oa-hero-chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.oa-chip{display:inline-flex;align-items:center;gap:9px;padding:10px 17px;border-radius:12px;font-size:13.5px;font-weight:500;color:var(--oa-txt);
  background:rgba(255,255,255,.04);border:1px solid var(--oa-line-soft);}
.oa-chip i{color:var(--oa-gold);font-size:14px;}
.oa-hero-btns{display:flex;flex-wrap:wrap;gap:16px;margin-top:32px;}
.oa-btn{display:inline-flex;align-items:center;gap:10px;padding:15px 30px;border-radius:13px;font-size:15px;font-weight:600;text-decoration:none;cursor:pointer;border:none;transition:all .35s var(--oa-ease);}
.oa-btn i{font-size:14px;transition:transform .35s var(--oa-ease);}
.oa-btn-gold{color:#221603;background:linear-gradient(135deg,var(--oa-gold-2),var(--oa-gold));box-shadow:0 14px 34px rgba(201,163,90,.30);}
.oa-btn-gold:hover{transform:translateY(-3px);box-shadow:0 20px 44px rgba(201,163,90,.42);color:#221603;}
.oa-btn-gold:hover i{transform:translateX(4px);}
.oa-btn-ghost{color:#fff;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.18);}
.oa-btn-ghost:hover{background:rgba(255,255,255,.12);border-color:var(--oa-gold);transform:translateY(-3px);}
.oa-hero-stats{display:flex;gap:clamp(24px,3vw,52px);margin-top:40px;padding-top:30px;border-top:1px solid var(--oa-line-soft);}
.oa-stat .oa-num{font-family:var(--oa-serif);font-size:clamp(28px,3vw,40px);font-weight:700;line-height:1;
  background:linear-gradient(120deg,#fff,var(--oa-gold-2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.oa-stat .oa-num em{font-style:normal;font-size:.55em;margin-left:2px;color:var(--oa-gold);-webkit-text-fill-color:var(--oa-gold);}
.oa-stat .oa-lab{margin-top:8px;font-size:13px;color:var(--oa-txt-mute);letter-spacing:.04em;}

/* ===== HERO 右侧控制台样机 ===== */
.oa-console{position:relative;width:100%;max-width:520px;margin-left:auto;}
.oa-console-glow{position:absolute;inset:-30px;z-index:0;background:radial-gradient(circle at 50% 40%,rgba(201,163,90,.22),transparent 65%);filter:blur(10px);}
.oa-console-card{position:relative;z-index:2;border-radius:24px;overflow:hidden;
  background:linear-gradient(160deg,rgba(255,255,255,.10),rgba(255,255,255,.03));
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 40px 90px rgba(0,0,0,.45),inset 0 0 30px rgba(255,255,255,.05);
  backdrop-filter:blur(16px);animation:oaFloat 7s var(--oa-ease) infinite;}
@keyframes oaFloat{0%,100%{transform:translateY(0);}50%{transform:translateY(-12px);}}
.oa-cc-top{display:flex;align-items:center;gap:14px;padding:15px 18px;border-bottom:1px solid var(--oa-line-soft);}
.oa-cc-dots{display:flex;gap:7px;}
.oa-cc-dots i{width:11px;height:11px;border-radius:50%;display:block;}
.oa-cc-dots i:nth-child(1){background:#ff5f57;}
.oa-cc-dots i:nth-child(2){background:#febc2e;}
.oa-cc-dots i:nth-child(3){background:#28c840;}
.oa-cc-title{display:flex;align-items:center;gap:9px;font-size:13.5px;font-weight:600;color:var(--oa-txt);}
.oa-cc-title i{color:var(--oa-gold);}
.oa-cc-live{margin-left:auto;display:inline-flex;align-items:center;gap:6px;font-size:11px;color:#7ee0a0;}
.oa-cc-live i{font-size:7px;color:#46e08a;animation:oaPulse 1.8s infinite;}
@keyframes oaPulse{0%,100%{opacity:1;}50%{opacity:.3;}}
.oa-cc-body{display:flex;min-height:0;}
.oa-cc-side{width:56px;flex:none;border-right:1px solid var(--oa-line-soft);display:flex;flex-direction:column;align-items:center;gap:8px;padding:16px 0;background:rgba(255,255,255,.03);}
.oa-cc-side span{width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.55);font-size:15px;transition:.3s;}
.oa-cc-side span.on{background:linear-gradient(135deg,var(--oa-gold),var(--oa-gold-deep));color:#221603;}
.oa-cc-main{flex:1;padding:16px;display:flex;flex-direction:column;gap:14px;min-width:0;}
.oa-cc-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;}
.oa-kpi{background:rgba(255,255,255,.05);border:1px solid var(--oa-line-soft);border-radius:12px;padding:11px 12px;}
.oa-kpi b{display:block;font-family:var(--oa-serif);font-size:18px;font-weight:700;color:#fff;line-height:1.1;}
.oa-kpi span{font-size:11px;color:var(--oa-txt-mute);}
.oa-cc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;}
.oa-mod{position:relative;background:rgba(255,255,255,.045);border:1px solid var(--oa-line-soft);border-radius:13px;padding:13px 10px;display:flex;flex-direction:column;align-items:center;gap:8px;transition:.3s var(--oa-ease);}
.oa-mod:hover{border-color:rgba(201,163,90,.45);background:rgba(255,255,255,.08);transform:translateY(-3px);}
.oa-mod i{width:32px;height:32px;border-radius:9px;display:flex;align-items:center;justify-content:center;background:var(--oa-blue-soft);color:var(--oa-blue);font-size:14px;}
.oa-mod.gold i{background:linear-gradient(135deg,var(--oa-gold),var(--oa-gold-deep));color:#221603;}
.oa-mod b{font-size:11.5px;color:#fff;font-weight:600;}
.oa-cc-chart{height:54px;border-radius:12px;background:rgba(255,255,255,.04);border:1px solid var(--oa-line-soft);padding:8px 10px;overflow:hidden;}
.oa-cc-chart svg{width:100%;height:100%;display:block;}
.oa-float{position:absolute;z-index:3;display:inline-flex;align-items:center;gap:9px;padding:10px 16px;border-radius:13px;font-size:12.5px;font-weight:600;color:#fff;
  background:rgba(12,17,31,.82);border:1px solid var(--oa-line);box-shadow:0 16px 38px rgba(0,0,0,.4);backdrop-filter:blur(8px);animation:oaFloat 7s var(--oa-ease) infinite;}
.oa-float i{color:var(--oa-gold);font-size:14px;}
.oa-f1{top:-14px;right:8px;animation-delay:.6s;}
.oa-f2{bottom:64px;right:-26px;animation-delay:1.8s;}
.oa-f3{bottom:6px;left:-18px;animation-delay:2.8s;}

/* ============================ 子导航 ============================ */
.oa-subnav{position:relative;z-index:5;padding:22px 0;background:rgba(7,10,18,.96);border-bottom:1px solid var(--oa-line-soft);}
.oa-subnav-list{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;}
.oa-subnav-list a{display:inline-flex;align-items:center;padding:9px 22px;border-radius:50px;font-size:14px;font-weight:500;color:var(--oa-txt-dim);text-decoration:none;
  background:rgba(255,255,255,.04);border:1px solid var(--oa-line-soft);transition:all .3s var(--oa-ease);}
.oa-subnav-list a:hover{color:#fff;border-color:var(--oa-gold);background:rgba(201,163,90,.12);transform:translateY(-2px);}
.oa-subnav-list a.active,
.oa-subnav-list a.on,
.oa-subnav-list a.cur{color:#221603;background:linear-gradient(135deg,var(--oa-gold-2),var(--oa-gold));border-color:transparent;box-shadow:0 10px 24px rgba(201,163,90,.30);}

/* ============================ 核心优势 ============================ */
.oa-why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.oa-adv{position:relative;display:grid;grid-template-columns:58px 1fr;column-gap:22px;grid-template-areas:"ic title" "ic desc";align-items:start;padding:38px 30px;border-radius:var(--oa-r);background:#fff;border:1px solid var(--oa-light-2);overflow:hidden;transition:transform .45s var(--oa-ease),border-color .45s var(--oa-ease),box-shadow .45s var(--oa-ease);}
.oa-adv::before{content:"";position:absolute;left:0;top:0;right:0;height:3px;background:linear-gradient(90deg,var(--oa-gold),var(--oa-gold-deep));transform:scaleX(0);transform-origin:left;transition:transform .5s var(--oa-ease);}
.oa-adv:hover{transform:translateY(-10px);border-color:rgba(201,163,90,.4);box-shadow:0 26px 54px rgba(20,28,48,.10);}
.oa-adv:hover::before{transform:scaleX(1);}
.oa-adv-ic{width:58px;height:58px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:24px;color:#fff;
  background:linear-gradient(135deg,#1b2740,#0e1626);grid-area:ic;position:relative;overflow:hidden;}
.oa-adv-ic::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(201,163,90,.35),transparent);}
.oa-adv h4{grid-area:title;font-size:18px;font-weight:700;color:var(--oa-ink);margin-bottom:12px;position:relative;}
.oa-adv p{grid-area:desc;font-size:14px;color:var(--oa-body);line-height:1.85;position:relative;}

/* ============================ 功能模块（深色玻璃） ============================ */
.oa-feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;position:relative;z-index:2;}
.oa-feat{position:relative;display:grid;grid-template-columns:54px 1fr;column-gap:20px;grid-template-areas:"ic title" "ic desc";align-items:start;padding:32px 28px;border-radius:var(--oa-r);overflow:hidden;
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  border:1px solid var(--oa-line-soft);transition:transform .45s var(--oa-ease),border-color .45s var(--oa-ease),background .45s var(--oa-ease);}
.oa-feat::after{content:"";position:absolute;right:-40px;top:-40px;width:140px;height:140px;border-radius:50%;background:radial-gradient(circle,rgba(201,163,90,.18),transparent 70%);opacity:0;transition:opacity .45s;}
.oa-feat:hover{transform:translateY(-8px);border-color:var(--oa-line);background:linear-gradient(160deg,rgba(255,255,255,.10),rgba(255,255,255,.03));}
.oa-feat:hover::after{opacity:1;}
.oa-feat-ic{width:54px;height:54px;border-radius:15px;display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--oa-gold-2);
  background:rgba(201,163,90,.12);border:1px solid var(--oa-line);grid-area:ic;position:relative;z-index:2;transition:.4s;}
.oa-feat:hover .oa-feat-ic{color:#221603;background:linear-gradient(135deg,var(--oa-gold-2),var(--oa-gold));border-color:transparent;transform:rotate(-6deg) scale(1.05);}
.oa-feat h4{grid-area:title;font-size:17px;font-weight:700;color:#fff;margin-bottom:10px;position:relative;z-index:2;}
.oa-feat p{grid-area:desc;font-size:13.5px;color:var(--oa-txt-dim);line-height:1.8;position:relative;z-index:2;}

/* ============================ 智能流程引擎 ============================ */
.oa-flow-inner{display:grid;grid-template-columns:.92fr 1.08fr;gap:clamp(40px,5vw,72px);align-items:center;}
.oa-flow-copy h3{font-family:var(--oa-serif);font-size:clamp(22px,2.4vw,30px);font-weight:700;color:var(--oa-ink);line-height:1.5;margin-bottom:18px;}
.oa-flow-copy>p{font-size:15px;color:var(--oa-body);line-height:1.95;margin-bottom:26px;}
.oa-flow-tags{display:flex;flex-wrap:wrap;gap:12px;}
.oa-flow-tag{display:inline-flex;align-items:center;gap:9px;font-size:13.5px;font-weight:600;color:var(--oa-gold-deep);background:rgba(201,163,90,.10);border:1px solid var(--oa-line);padding:10px 16px;border-radius:50px;}
.oa-flow-tag i{color:var(--oa-gold);}
.oa-engine{position:relative;padding-left:40px;}
.oa-engine::before{content:"";position:absolute;left:13px;top:12px;bottom:12px;width:2px;background:linear-gradient(180deg,var(--oa-gold),var(--oa-blue));border-radius:2px;}
.oa-node{position:relative;display:flex;gap:18px;align-items:flex-start;padding:18px 22px;margin-bottom:16px;border-radius:16px;background:#fff;border:1px solid var(--oa-light-2);transition:transform .4s var(--oa-ease),border-color .4s var(--oa-ease),box-shadow .4s var(--oa-ease);}
.oa-node:hover{transform:translateX(8px);border-color:rgba(201,163,90,.45);box-shadow:0 18px 40px rgba(20,28,48,.08);}
.oa-node-dot{position:absolute;left:-34px;top:26px;width:18px;height:18px;border-radius:50%;background:#fff;border:4px solid var(--oa-gold);box-shadow:0 0 0 5px rgba(201,163,90,.16);transition:.4s;}
.oa-node:hover .oa-node-dot{border-color:var(--oa-blue);box-shadow:0 0 0 5px rgba(59,130,246,.18);}
.oa-node-ic{width:48px;height:48px;border-radius:14px;flex:none;display:flex;align-items:center;justify-content:center;font-size:20px;color:#fff;background:linear-gradient(135deg,#1b2740,#0e1626);position:relative;overflow:hidden;}
.oa-node-ic::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(201,163,90,.4),transparent);}
.oa-node b{display:block;font-size:16px;font-weight:700;color:var(--oa-ink);margin-bottom:5px;position:relative;}
.oa-node span{font-size:13px;color:var(--oa-body);line-height:1.7;position:relative;}

/* ============================ 数据驾驶舱 ============================ */
.oa-cockpit-panel{position:relative;z-index:2;border-radius:26px;overflow:hidden;padding:clamp(26px,3vw,40px);
  background:linear-gradient(160deg,rgba(255,255,255,.08),rgba(255,255,255,.025));
  border:1px solid var(--oa-line-soft);box-shadow:0 40px 90px rgba(0,0,0,.4),inset 0 0 32px rgba(255,255,255,.04);backdrop-filter:blur(16px);}
.oa-cp-head{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.oa-cp-brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--oa-serif);font-size:20px;font-weight:700;color:#fff;}
.oa-cp-brand i{color:var(--oa-gold);}
.oa-cp-tabs{display:flex;gap:6px;background:rgba(255,255,255,.05);border:1px solid var(--oa-line-soft);border-radius:50px;padding:5px;}
.oa-cp-tabs em{font-style:normal;font-size:13px;font-weight:600;color:var(--oa-txt-dim);padding:7px 18px;border-radius:50px;cursor:default;transition:.3s;}
.oa-cp-tabs em.on{color:#221603;background:linear-gradient(135deg,var(--oa-gold-2),var(--oa-gold));}
.oa-cp-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:26px;}
.oa-cp-stat{position:relative;padding:18px 18px;border-radius:16px;background:rgba(255,255,255,.05);border:1px solid var(--oa-line-soft);overflow:hidden;}
.oa-cp-stat b{display:block;font-family:var(--oa-serif);font-size:clamp(22px,2.4vw,30px);font-weight:700;color:#fff;line-height:1;}
.oa-cp-stat span{display:block;margin-top:8px;font-size:12.5px;color:var(--oa-txt-mute);}
.oa-cp-stat i{position:absolute;right:14px;top:14px;font-size:13px;color:#46e08a;}
.oa-cp-charts{display:grid;grid-template-columns:1.5fr 1fr;gap:22px;}
.oa-cp-bars{background:rgba(255,255,255,.04);border:1px solid var(--oa-line-soft);border-radius:16px;padding:22px;}
.oa-cp-bars h5{font-size:13px;font-weight:600;color:var(--oa-txt-dim);margin-bottom:18px;letter-spacing:.04em;}
.oa-bars{display:flex;align-items:flex-end;gap:clamp(8px,1.4vw,18px);height:140px;}
.oa-bar{flex:1;display:flex;flex-direction:column;align-items:center;gap:8px;height:100%;justify-content:flex-end;}
.oa-bar i{display:block;width:100%;max-width:34px;border-radius:8px 8px 4px 4px;background:linear-gradient(180deg,var(--oa-gold-2),var(--oa-gold-deep));transition:height 1s var(--oa-ease);}
.oa-bar:nth-child(odd) i{background:linear-gradient(180deg,#5b9bff,var(--oa-blue));}
.oa-bar span{font-size:11px;color:var(--oa-txt-mute);}
.oa-cp-donut{background:rgba(255,255,255,.04);border:1px solid var(--oa-line-soft);border-radius:16px;padding:22px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;}
.oa-donut{position:relative;width:128px;height:128px;}
.oa-donut svg{transform:rotate(-90deg);}
.oa-donut-center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;}
.oa-donut-center b{font-family:var(--oa-serif);font-size:26px;font-weight:700;color:#fff;line-height:1;}
.oa-donut-center span{font-size:11px;color:var(--oa-txt-mute);margin-top:3px;}
.oa-donut-legend{display:flex;flex-direction:column;gap:8px;width:100%;}
.oa-donut-legend div{display:flex;align-items:center;gap:9px;font-size:12.5px;color:var(--oa-txt-dim);}
.oa-donut-legend i{width:10px;height:10px;border-radius:3px;flex:none;}

/* ============================ 应用场景 ============================ */
.oa-scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.oa-scn{position:relative;display:grid;grid-template-columns:56px 1fr;column-gap:20px;grid-template-areas:"ic title" "ic desc";align-items:start;padding:34px 30px;border-radius:var(--oa-r);background:#fff;border:1px solid var(--oa-light-2);overflow:hidden;transition:transform .45s var(--oa-ease),border-color .45s var(--oa-ease),box-shadow .45s var(--oa-ease);}
.oa-scn:hover{transform:translateY(-10px);border-color:rgba(201,163,90,.4);box-shadow:0 26px 54px rgba(20,28,48,.10);}
.oa-scn-ic{width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:23px;color:#fff;
  background:linear-gradient(135deg,#1b2740,#0e1626);grid-area:ic;position:relative;overflow:hidden;transition:.4s;}
.oa-scn-ic::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(201,163,90,.4),transparent);}
.oa-scn:hover .oa-scn-ic{transform:scale(1.06) rotate(-4deg);}
.oa-scn h4{grid-area:title;font-size:18px;font-weight:700;color:var(--oa-ink);margin-bottom:11px;}
.oa-scn p{grid-area:desc;font-size:14px;color:var(--oa-body);line-height:1.85;}
.oa-scn-no{position:absolute;right:22px;top:18px;font-family:var(--oa-serif);font-size:30px;font-weight:700;color:rgba(12,20,36,.06);}

/* ============================ 成效数据带 ============================ */
.oa-metric{position:relative;border-radius:var(--oa-r);padding:clamp(40px,4vw,58px) 40px;overflow:hidden;
  background:linear-gradient(120deg,#0c1322,#0a0e1a);border:1px solid var(--oa-line);}
.oa-metric::before{content:"";position:absolute;left:-40px;top:-60px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(201,163,90,.20),transparent 70%);}
.oa-metric::after{content:"";position:absolute;right:-60px;bottom:-80px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(59,130,246,.18),transparent 70%);}
.oa-metric-grid{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.oa-metric-item{text-align:center;padding:0 6px;position:relative;}
.oa-metric-item:not(:last-child)::after{content:"";position:absolute;right:-12px;top:14%;height:72%;width:1px;background:rgba(255,255,255,.12);}
.oa-metric-num{font-family:var(--oa-serif);font-size:clamp(36px,4vw,52px);font-weight:700;line-height:1;
  background:linear-gradient(120deg,#fff,var(--oa-gold-2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.oa-metric-num em{font-style:normal;font-size:.5em;-webkit-text-fill-color:var(--oa-gold);color:var(--oa-gold);margin-left:3px;}
.oa-metric-lab{font-size:14px;color:var(--oa-txt-dim);margin-top:14px;}

/* ============================ 实施流程 ============================ */
.oa-steps{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;position:relative;}
.oa-step{position:relative;padding:30px 20px 26px;border-radius:var(--oa-r-sm);background:#fff;border:1px solid var(--oa-light-2);text-align:center;transition:transform .4s var(--oa-ease),box-shadow .4s var(--oa-ease);}
.oa-step:hover{transform:translateY(-8px);box-shadow:0 22px 44px rgba(20,28,48,.10);border-color:rgba(201,163,90,.4);}
.oa-step-no{font-family:var(--oa-serif);font-size:30px;font-weight:700;color:transparent;-webkit-text-stroke:1.4px var(--oa-gold);line-height:1;margin-bottom:14px;}
.oa-step-ic{width:50px;height:50px;border-radius:14px;display:flex;align-items:center;justify-content:center;margin:0 auto 14px;font-size:21px;color:#fff;background:linear-gradient(135deg,#1b2740,#0e1626);position:relative;overflow:hidden;}
.oa-step-ic::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(201,163,90,.4),transparent);}
.oa-step h4{font-size:16px;font-weight:700;color:var(--oa-ink);margin-bottom:8px;}
.oa-step p{font-size:12.5px;color:var(--oa-body);line-height:1.7;}

/* ============================ 服务承诺 ============================ */
.oa-promise-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;z-index:2;}
.oa-promise{position:relative;display:grid;grid-template-columns:56px 1fr;column-gap:20px;grid-template-areas:"ic title" "ic desc";align-items:start;padding:38px 30px;border-radius:var(--oa-r);overflow:hidden;
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));border:1px solid var(--oa-line-soft);transition:transform .45s var(--oa-ease),border-color .45s var(--oa-ease);}
.oa-promise::before{content:"";position:absolute;left:0;top:0;right:0;height:3px;background:linear-gradient(90deg,var(--oa-gold),var(--oa-gold-deep));transform:scaleX(0);transform-origin:left;transition:transform .5s var(--oa-ease);}
.oa-promise:hover{transform:translateY(-9px);border-color:var(--oa-line);}
.oa-promise:hover::before{transform:scaleX(1);}
.oa-promise-ic{width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:24px;color:var(--oa-gold-2);
  background:rgba(201,163,90,.12);border:1px solid var(--oa-line);grid-area:ic;}
.oa-promise h4{grid-area:title;font-size:18px;font-weight:700;color:#fff;margin-bottom:11px;}
.oa-promise p{grid-area:desc;font-size:13.5px;color:var(--oa-txt-dim);line-height:1.85;}

/* ============================ CTA ============================ */
.oa-cta{position:relative;overflow:hidden;padding:clamp(64px,7vw,100px) 0;text-align:center;
  background:radial-gradient(900px 460px at 50% -20%,rgba(201,163,90,.20),transparent 60%),linear-gradient(165deg,#0a0e1a,#0c1322);}
.oa-cta::before{content:"";position:absolute;inset:0;opacity:.35;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:60px 60px;}
.oa-cta-inner{position:relative;z-index:2;max-width:720px;margin:0 auto;}
.oa-cta-inner h2{font-family:var(--oa-serif);font-size:clamp(28px,3.6vw,46px);font-weight:700;color:#fff;line-height:1.3;}
.oa-cta-inner p{margin-top:18px;font-size:clamp(14px,1.1vw,17px);color:var(--oa-txt-dim);line-height:1.8;}
.oa-cta-btns{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin-top:34px;}

/* ============================ 响应式 ============================ */
@media (max-width:1100px){
  .oa-hero-inner{grid-template-columns:1fr;}
  .oa-console{margin:10px auto 0;max-width:560px;}
  .oa-flow-inner{grid-template-columns:1fr;gap:40px;}
  .oa-cp-charts{grid-template-columns:1fr;}
  .oa-why-grid,.oa-feat-grid,.oa-scene-grid{grid-template-columns:repeat(2,1fr);}
  .oa-steps{grid-template-columns:repeat(3,1fr);gap:18px;}
  .oa-promise-grid{grid-template-columns:repeat(2,1fr);}
  .oa-metric-grid{grid-template-columns:repeat(2,1fr);gap:34px 24px;}
}
@media (max-width:768px){
  .oa-box{padding:0 18px;}
  .oa-hero-stats{flex-wrap:wrap;gap:22px 36px;}
  .oa-why-grid,.oa-feat-grid,.oa-scene-grid,.oa-promise-grid{grid-template-columns:1fr;}
  .oa-steps{grid-template-columns:repeat(2,1fr);}
  .oa-cp-stats{grid-template-columns:repeat(2,1fr);}
  .oa-metric-grid{grid-template-columns:repeat(2,1fr);}
  .oa-float{display:none;}
  .oa-cc-side{display:none;}
}
@media (max-width:480px){
  .oa-steps{grid-template-columns:1fr;}
  .oa-metric-grid{grid-template-columns:1fr;}
  .oa-hero-btns .oa-btn{width:100%;justify-content:center;}
}