/* ============================================================
   CRANEAGLE · 天津市克兰鹰航空科技有限公司
   Design System — 官方 VI（浅色）
   ------------------------------------------------------------
   调色板取自官方模板 20250527基本PPT模板.pptx 的 theme1.xml
   （该主题名即「品牌色及其应用辅助色」）：
     accent1 #CC003A  品牌主色        dk1     #2F2F2F  正文
     accent2 #A5A5A5  accent3 #BFBFBF  dk2     #3B3B3B
     accent4 #F2F2F2  accent6 #EDEDED  lt1/lt2 #FFFFFF
   官方体系是「猩红 + 灰阶 + 白」。品牌深浅档由 accent1 派生；
   绿 / 琥珀只用在「合格」「警示」这类必须靠颜色区分的语义位。
   ============================================================ */

:root{
  /* —— 品牌色（源自 accent1 #CC003A）—— */
  --brand:#CC003A;
  --brand-deep:#A80030;
  --brand-mid:#C0143C;
  --brand-dark:#8A0027;
  --brand-light:#E23F66;
  --brand-tint:#FDF2F5;

  /* —— 官方灰阶 —— */
  --text:#2F2F2F;
  --ink-2:#3B3B3B;
  --muted:#5C5C5C;
  --dim:#8A8A8A;
  --gray:#A5A5A5;
  --gray-2:#BFBFBF;
  --line:#EDEDED;
  --line-2:#DCDCDC;
  --line-soft:rgba(47,47,47,.10);

  /* —— 表面 —— */
  --bg:#FFFFFF;
  --bg-elev:#FAFAFB;
  --panel:#FFFFFF;
  --panel-2:#F7F7F8;
  --panel-3:#F2F2F2;
  --panel-4:#EDEDED;

  /* —— 语义（仅用于必须靠颜色区分的状态）—— */
  --ok:#14784A;
  --ok-tint:#E6F4EC;
  --warn:#A9660A;
  --warn-tint:#FAF0DE;

  --radius:14px;
  --radius-lg:20px;
  --radius-xl:26px;
  --wrap:1240px;
  /* 官方模板拉丁字体是 Barlow SemiBold / Barlow Medium，本机缺失时回落到系统无衬线 */
  --font-sans:"Barlow","Inter","HarmonyOS Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --shadow:0 18px 44px -20px rgba(47,47,47,.18);
  --shadow-sm:0 8px 22px -12px rgba(47,47,47,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
  --head-h:72px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.24;letter-spacing:-.01em}
p{margin:0}
::selection{background:rgba(204,0,58,.18)}

/* ---------- scrollbar ---------- */
::-webkit-scrollbar{width:11px;height:11px}
::-webkit-scrollbar-track{background:#F2F2F2}
::-webkit-scrollbar-thumb{background:#CDCDCD;border-radius:8px;border:3px solid #F2F2F2}
::-webkit-scrollbar-thumb:hover{background:#A5A5A5}

/* ---------- ambient background ---------- */
.bg-layer{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.bg-grid{
  position:absolute;inset:-2px;
  background-image:
    linear-gradient(rgba(47,47,47,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(47,47,47,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 90% 70% at 50% 0%,#000 10%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 90% 70% at 50% 0%,#000 10%,transparent 78%);
}
/* 浅色底上的氛围光要非常克制，否则会像污渍 */
.bg-glow{position:absolute;border-radius:50%;filter:blur(120px);opacity:.30}
.bg-glow.g1{width:760px;height:760px;top:-360px;left:-160px;background:radial-gradient(circle,rgba(204,0,58,.16),transparent 70%)}
.bg-glow.g2{width:640px;height:640px;top:80px;right:-240px;background:radial-gradient(circle,rgba(204,0,58,.09),transparent 70%)}
.bg-glow.g3{width:600px;height:600px;bottom:-300px;left:38%;background:radial-gradient(circle,rgba(47,47,47,.07),transparent 72%)}

/* ---------- layout ---------- */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 28px;position:relative;z-index:1}
.wrap-narrow{max-width:920px}
main{position:relative;z-index:1}
.section{padding:112px 0;position:relative}
.section.tight{padding:76px 0}
.section.alt{background:linear-gradient(180deg,transparent,var(--panel-2) 10%,var(--panel-2) 90%,transparent)}
.hr{height:1px;background:linear-gradient(90deg,transparent,var(--line-2) 18%,var(--line-2) 82%,transparent)}

/* ---------- type ---------- */
.eyebrow{
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--brand);
  display:inline-flex;align-items:center;gap:10px;
  margin-bottom:20px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:linear-gradient(90deg,transparent,var(--brand))}
.eyebrow.center::after{content:"";width:26px;height:1px;background:linear-gradient(90deg,var(--brand),transparent)}
.h-display{font-size:clamp(34px,5.2vw,60px);line-height:1.08;letter-spacing:-.028em;font-weight:800}
.h-display .h-sub{display:block;font-size:.62em;line-height:1.22;margin-top:.14em;letter-spacing:-.018em}
.h1{font-size:clamp(30px,4vw,46px);letter-spacing:-.024em}
.h2{font-size:clamp(26px,3.1vw,38px);letter-spacing:-.02em}
.h3{font-size:clamp(19px,1.7vw,23px)}
.lead{font-size:clamp(16px,1.25vw,18.5px);color:var(--muted);line-height:1.85}
.muted{color:var(--muted)}
.dim{color:var(--dim)}
.mono{font-family:var(--font-mono)}
.grad-text{background:linear-gradient(100deg,var(--text) 2%,var(--brand) 52%,var(--brand-deep) 96%);-webkit-background-clip:text;background-clip:text;color:transparent}

.section-head{max-width:760px;margin-bottom:56px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head.center .eyebrow{justify-content:center}
.section-head p{margin-top:18px}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height:var(--head-h);
  display:flex;align-items:center;
  border-bottom:1px solid transparent;
  transition:background .35s var(--ease),border-color .35s var(--ease),backdrop-filter .35s;
}
.site-header.scrolled{
  background:rgba(255,255,255,0.82);
  backdrop-filter:blur(16px) saturate(160%);
  -webkit-backdrop-filter:blur(16px) saturate(160%);
  border-bottom-color:var(--line);
}
.site-header .wrap{display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
/* 官方锁定：鹰形（品牌色）+「克兰鹰」+ craneagle.com */
.brand-eagle{height:36px;width:auto;flex-shrink:0;color:var(--brand);display:block}
.brand-txt{display:flex;flex-direction:column;line-height:1.06}
.brand-cn{font-size:19px;font-weight:800;letter-spacing:.1em;color:var(--text)}
.brand-en{font-size:10px;font-weight:500;letter-spacing:.05em;color:var(--dim);margin-top:4px;text-transform:lowercase}

.nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.nav a{
  position:relative;
  padding:9px 14px;border-radius:9px;
  font-size:14.5px;color:var(--muted);font-weight:500;
  transition:color .22s,background .22s;
  white-space:nowrap;
}
.nav a:hover{color:var(--text);background:rgba(47,47,47,0.07)}
.nav a.active{color:var(--text)}
.nav a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-deep));
}

.head-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.lang-toggle{
  display:flex;align-items:center;
  border:1px solid var(--line-2);border-radius:999px;
  padding:3px;background:rgba(247,247,248,0.6);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;
}
.lang-toggle button{
  border:0;background:transparent;cursor:pointer;
  padding:5px 12px;border-radius:999px;color:var(--dim);
  transition:.25s var(--ease);
}
.lang-toggle button.on{background:linear-gradient(120deg,var(--brand-deep),var(--brand));color:#F2F2F2;font-weight:700}
.burger{display:none;width:40px;height:40px;border:1px solid var(--line-2);border-radius:10px;background:rgba(247,247,248,0.6);cursor:pointer;padding:0;align-items:center;justify-content:center}
.burger span{display:block;width:17px;height:1.5px;background:var(--text);margin:3.5px auto;transition:.25s}
.mobile-nav{display:none}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:11px;
  font-size:14.5px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:.28s var(--ease);white-space:nowrap;
}
.btn svg{width:15px;height:15px;transition:transform .28s var(--ease)}
.btn:hover svg{transform:translateX(3px)}
.btn-primary{
  background:linear-gradient(118deg,var(--brand-deep),var(--brand));
  color:#FFFFFF;box-shadow:0 12px 34px -12px rgba(204,0,58,0.6);
}
.btn-primary:hover{box-shadow:0 18px 44px -12px rgba(204,0,58,0.78);transform:translateY(-2px)}
.btn-ghost{border-color:var(--line-2);color:var(--text);background:rgba(247,247,248,0.5)}
.btn-ghost:hover{border-color:var(--brand);background:rgba(204,0,58,0.09);transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:13.5px;border-radius:9px}
.btn-block{width:100%}

/* ---------- hero ---------- */
.hero{position:relative;padding:calc(var(--head-h) + 96px) 0 84px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.hero h1{margin-bottom:26px}
.hero-sub{font-size:clamp(17px,1.4vw,20px);color:var(--muted);max-width:560px;line-height:1.8}
.hero-zh{margin-top:16px;font-size:15.5px;color:var(--dim);letter-spacing:.03em}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}
.hero-visual{position:relative;aspect-ratio:1/.92;display:flex;align-items:center;justify-content:center}
.hero-visual svg{width:100%;height:auto;overflow:visible}

.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:1px;margin-top:78px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
}
.metric{background:rgba(255,255,255,0.86);padding:26px 22px;position:relative}
.metric::before{content:"";position:absolute;top:0;left:0;width:100%;height:2px;background:linear-gradient(90deg,var(--brand),transparent);opacity:0;transition:.35s}
.metric:hover::before{opacity:1}
.metric-v{font-family:var(--font-mono);font-size:clamp(26px,2.6vw,34px);font-weight:700;letter-spacing:-.02em;color:var(--text);line-height:1.1}
.metric-v em{font-style:normal;font-size:.58em;color:var(--brand);margin-left:2px}
.metric-l{margin-top:9px;font-size:13px;color:var(--dim);letter-spacing:.02em}

/* ---------- 数据出处脚注 ----------
   《广告法》第十一条：广告使用数据、统计资料等应当真实、准确，并表明出处。
   凡页面出现性能/规模类数字（通用性 75%、5 ms 运行周期、检测项数量等），
   就近配一条 .data-note 说明口径与来源。 */
.data-note{margin-top:14px;font-size:12.5px;line-height:1.75;color:var(--dim);letter-spacing:.02em}
.data-note + .data-note{margin-top:6px}

/* ---------- cards ---------- */
.grid{display:grid;gap:22px}
/* 网格项默认 min-width:auto，会在内部含 min-width 表格 / 长单词时撑破容器。
   置 0 让 .tbl-wrap 的横向滚动正常生效，避免移动端整页出现横向溢出。 */
.grid > *{min-width:0}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}

.card{
  position:relative;
  background:linear-gradient(158deg,rgba(255,255,255,0.94),rgba(255,255,255,0.94));
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:32px 28px;
  transition:.4s var(--ease);
  overflow:hidden;
  display:flex;flex-direction:column;
}
.card::after{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,0%),rgba(204,0,58,0.09),transparent 62%);
  opacity:0;transition:opacity .45s;
}
.card:hover{border-color:var(--line-2);transform:translateY(-5px);box-shadow:var(--shadow)}
.card:hover::after{opacity:1}
.card-ico{
  width:52px;height:52px;border-radius:13px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(204,0,58,0.16),rgba(168,0,48,0.1));
  border:1px solid rgba(204,0,58,0.24);
  color:var(--brand);margin-bottom:22px;flex-shrink:0;
}
.card-ico svg{width:25px;height:25px}
.card h3{margin-bottom:12px;font-size:19.5px}
.card p{color:var(--muted);font-size:14.6px;line-height:1.78}
.card-num{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;
  color:var(--dim);position:absolute;top:26px;right:26px;
}
.card-tag{
  position:absolute;top:22px;right:22px;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;
  padding:4px 9px;border-radius:5px;text-transform:uppercase;
  background:rgba(204,0,58,0.11);color:var(--brand);border:1px solid rgba(204,0,58,0.22);
}
.card-list{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.card-list li{
  position:relative;padding-left:19px;font-size:14px;color:var(--muted);
}
.card-list li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;
  border-left:1.5px solid var(--brand);border-bottom:1.5px solid var(--brand);
  transform:rotate(-45deg);opacity:.85;
}
.card-link{
  margin-top:22px;padding-top:20px;border-top:1px solid var(--line);
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;font-weight:600;color:var(--brand);
  transition:gap .25s var(--ease);
}
.card:hover .card-link{gap:13px}
.card-link svg{width:14px;height:14px}

.card.hl{
  background:linear-gradient(150deg,rgba(168,0,48,0.16),rgba(204,0,58,0.07) 55%,rgba(255,255,255,0.95));
  border-color:rgba(204,0,58,0.3);
}

/* ---------- feature rows ---------- */
.feature{display:flex;gap:18px;align-items:flex-start}
.feature-ico{
  width:42px;height:42px;flex-shrink:0;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(204,0,58,0.09);border:1px solid rgba(204,0,58,0.2);
  color:var(--brand);
}
.feature-ico svg{width:20px;height:20px}
.feature h4{font-size:16.5px;margin-bottom:7px}
.feature p{font-size:14.2px;color:var(--muted);line-height:1.75}

/* ---------- stack (tech foundations) ---------- */
.stack{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden}
.stack-item{background:rgba(255,255,255,0.9);padding:34px 26px;transition:.35s var(--ease)}
.stack-item:hover{background:rgba(255,255,255,0.95)}
.stack-k{font-family:var(--font-mono);font-size:22px;font-weight:700;letter-spacing:.08em;color:var(--brand);margin-bottom:6px}
.stack-cn{font-size:15px;font-weight:600;margin-bottom:14px}
.stack-item p{font-size:13.6px;color:var(--muted);line-height:1.75}

/* ---------- split section ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split.rev .split-media{order:-1}

/* ---------- list rows ---------- */
.rows{border-top:1px solid var(--line)}
.row{
  display:grid;grid-template-columns:52px 1fr auto;gap:24px;align-items:center;
  padding:26px 6px;border-bottom:1px solid var(--line);
  transition:.3s var(--ease);
}
.row:hover{background:rgba(47,47,47,0.035);padding-left:16px;padding-right:16px}
.row-i{font-family:var(--font-mono);font-size:12px;color:var(--dim);letter-spacing:.14em}
.row h4{font-size:17px;margin-bottom:6px}
.row p{font-size:14.2px;color:var(--muted)}
.row-r{font-family:var(--font-mono);font-size:12px;color:var(--brand);letter-spacing:.1em;white-space:nowrap}

/* ---------- news ---------- */
.news-card{display:flex;flex-direction:column;overflow:hidden;padding:0}
.news-thumb{
  height:168px;position:relative;overflow:hidden;
  background:linear-gradient(150deg,#F2F2F2,#F2F2F2);
  border-bottom:1px solid var(--line);
}
.news-thumb svg{position:absolute;inset:0;width:100%;height:100%}
.news-body{padding:24px 26px 28px;display:flex;flex-direction:column;flex:1}
.news-date{font-family:var(--font-mono);font-size:11.5px;color:var(--brand);letter-spacing:.12em;margin-bottom:12px}
.news-card h3{font-size:17px;line-height:1.55;margin-bottom:12px}
.news-card p{font-size:13.8px;color:var(--muted);flex:1}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:30px}
.timeline::before{content:"";position:absolute;left:5px;top:8px;bottom:8px;width:1px;background:linear-gradient(180deg,var(--brand),rgba(204,0,58,0.06))}
.tl-item{position:relative;padding-bottom:38px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:7px;width:11px;height:11px;border-radius:50%;
  background:var(--bg);border:2px solid var(--brand);
  box-shadow:0 0 0 4px rgba(204,0,58,0.11);
}
.tl-y{font-family:var(--font-mono);font-size:12.5px;color:var(--brand);letter-spacing:.14em;margin-bottom:8px}
.tl-item h4{font-size:16.5px;margin-bottom:7px}
.tl-item p{font-size:14.2px;color:var(--muted)}

/* ---------- honors ---------- */
.honors{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.honor{
  border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;background:rgba(247,247,248,0.7);
  display:flex;gap:16px;align-items:flex-start;
  transition:.32s var(--ease);
}
.honor:hover{border-color:var(--line-2);background:rgba(255,255,255,0.85);transform:translateY(-3px)}
.honor-ico{width:38px;height:38px;border-radius:10px;background:rgba(169,102,10,0.1);border:1px solid rgba(169,102,10,0.25);color:var(--warn);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.honor-ico svg{width:19px;height:19px}
.honor h4{font-size:14.6px;margin-bottom:5px}
.honor p{font-size:13px;color:var(--dim)}

/* ---------- product detail ---------- */
.pd{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;padding:64px 0;border-bottom:1px solid var(--line)}
.pd:last-of-type{border-bottom:0}
.pd.rev .pd-media{order:-1}
.pd-media{
  border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  background:linear-gradient(150deg,#F2F2F2,#F2F2F2);padding:22px;
}
.pd-idx{font-family:var(--font-mono);font-size:12px;letter-spacing:.24em;color:var(--brand);margin-bottom:16px}
.pd h2{margin-bottom:18px}
.pd p{color:var(--muted);font-size:15px}

.spec{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:28px}
.spec div{background:rgba(255,255,255,0.85);padding:16px 18px}
.spec dt{font-size:11.5px;color:var(--dim);letter-spacing:.1em;font-family:var(--font-mono);text-transform:uppercase;margin-bottom:6px}
.spec dd{margin:0;font-size:14.6px;font-weight:600}

/* model ladder */
.ladder{display:flex;flex-direction:column;gap:14px;margin-top:30px}
.rung{
  display:grid;grid-template-columns:132px 1fr;gap:20px;align-items:center;
  border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;background:rgba(247,247,248,0.6);
  transition:.3s var(--ease);
}
.rung:hover{border-color:var(--line-2);background:rgba(255,255,255,0.85)}
.rung-k{font-family:var(--font-mono);font-size:15px;font-weight:700;color:var(--brand);letter-spacing:.05em}
.rung-k small{display:block;font-size:10px;color:var(--dim);letter-spacing:.16em;margin-top:3px}
.rung h4{font-size:15.5px;margin-bottom:5px}
.rung p{font-size:13.6px;color:var(--muted)}

/* ---------- table ---------- */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-lg);background:rgba(255,255,255,0.6)}
table{width:100%;border-collapse:collapse;font-size:14.2px;min-width:640px}
th,td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--line)}
th{
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand);background:rgba(204,0,58,0.045);font-weight:600;white-space:nowrap;
}
tbody tr:last-child td{border-bottom:0}
tbody tr{transition:background .25s}
tbody tr:hover{background:rgba(47,47,47,0.04)}
td:first-child{font-weight:600;color:var(--text);white-space:nowrap}

/* ---------- accordion ---------- */
.acc{border-top:1px solid var(--line)}
.acc-item{border-bottom:1px solid var(--line)}
.acc-q{
  width:100%;background:none;border:0;cursor:pointer;text-align:left;
  padding:26px 46px 26px 4px;position:relative;
  font-size:16.5px;font-weight:600;color:var(--text);
  transition:color .25s;
}
.acc-q:hover{color:var(--brand)}
.acc-q::after{
  content:"";position:absolute;right:8px;top:50%;width:9px;height:9px;
  border-right:1.6px solid var(--brand);border-bottom:1.6px solid var(--brand);
  transform:translateY(-70%) rotate(45deg);transition:.32s var(--ease);
}
.acc-item.open .acc-q::after{transform:translateY(-30%) rotate(225deg)}
.acc-a{max-height:0;overflow:hidden;transition:max-height .42s var(--ease)}
.acc-a-in{padding:0 60px 28px 4px;color:var(--muted);font-size:14.6px}

/* ---------- jobs ---------- */
.job{border:1px solid var(--line);border-radius:var(--radius);background:rgba(247,247,248,0.62);margin-bottom:14px;overflow:hidden;transition:.3s var(--ease)}
.job:hover{border-color:var(--line-2)}
.job-h{display:flex;align-items:center;gap:18px;padding:24px 26px;cursor:pointer}
.job-h h4{font-size:17px;flex:1}
.job-h .job-en{font-family:var(--font-mono);font-size:11.5px;color:var(--dim);letter-spacing:.1em}
.job-meta{display:flex;gap:10px;flex-wrap:wrap}
.pill{font-size:11.5px;padding:4px 11px;border-radius:999px;border:1px solid var(--line-2);color:var(--muted);font-family:var(--font-mono);letter-spacing:.06em}
.pill.hot{color:var(--warn);border-color:rgba(169,102,10,0.3);background:rgba(169,102,10,0.07)}
.job-b{max-height:0;overflow:hidden;transition:max-height .45s var(--ease)}
.job-b-in{padding:0 26px 28px;border-top:1px solid var(--line);padding-top:24px}
.job-b-in li{position:relative;padding-left:20px;margin-bottom:11px;font-size:14.3px;color:var(--muted)}
.job-b-in li::before{content:"";position:absolute;left:0;top:8px;width:6px;height:6px;border-radius:50%;background:var(--brand);opacity:.7}
.job-sub{font-size:13px;color:var(--brand);font-family:var(--font-mono);letter-spacing:.14em;text-transform:uppercase;margin:22px 0 14px}
.job-sub:first-child{margin-top:0}

/* ---------- form ---------- */
.form{display:grid;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:13px;color:var(--muted);font-family:var(--font-mono);letter-spacing:.08em}
.field input,.field textarea,.field select{
  background:rgba(250,250,251,0.8);border:1px solid var(--line-2);border-radius:10px;
  padding:13px 16px;font-size:14.6px;color:var(--text);outline:none;
  transition:.25s var(--ease);width:100%;
}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(204,0,58,0.13)}
.field textarea{min-height:130px;resize:vertical;font-family:inherit}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}

/* ---------- contact cards ---------- */
.contact-item{display:flex;gap:16px;padding:22px 0;border-bottom:1px solid var(--line)}
.contact-item:last-child{border-bottom:0}
.contact-ico{width:40px;height:40px;border-radius:11px;background:rgba(204,0,58,0.09);border:1px solid rgba(204,0,58,0.2);color:var(--brand);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.contact-ico svg{width:19px;height:19px}
.contact-k{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--dim);text-transform:uppercase;margin-bottom:5px}
.contact-v{font-size:15px;line-height:1.7}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border:1px solid var(--line-2);border-radius:var(--radius-xl);
  padding:64px 56px;
  background:linear-gradient(130deg,rgba(168,0,48,0.2),rgba(204,0,58,0.07) 48%,rgba(255,255,255,0.96));
  display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;width:460px;height:460px;right:-140px;top:-190px;border-radius:50%;
  background:radial-gradient(circle,rgba(204,0,58,0.24),transparent 66%);
}
.cta-band h2{margin-bottom:12px;position:relative}
.cta-band p{color:var(--muted);position:relative;max-width:520px}
.cta-band .btn{position:relative}

/* ---------- page hero ---------- */
.page-hero{padding:calc(var(--head-h) + 78px) 0 62px;position:relative}
.page-hero .h-display{max-width:900px}
.page-hero .lead{max-width:680px;margin-top:22px}
.crumb{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.16em;color:var(--dim);margin-bottom:22px;display:flex;gap:10px;align-items:center}
.crumb a{color:var(--dim);transition:color .2s}
.crumb a:hover{color:var(--brand)}
.crumb span.sep{opacity:.45}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);background:rgba(250,250,251,0.9);margin-top:40px;position:relative;z-index:1}
.foot-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;padding:66px 0 48px}
.foot-brand p{margin-top:18px;font-size:13.8px;color:var(--dim);max-width:300px}
.foot-col h5{font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;color:var(--brand);text-transform:uppercase;margin-bottom:20px;font-weight:600}
.foot-col li{margin-bottom:11px}
.foot-col a{font-size:14px;color:var(--muted);transition:.2s}
.foot-col a:hover{color:var(--brand)}
.slogan{font-family:var(--font-mono);font-size:12.5px;letter-spacing:.2em;color:var(--brand);margin-top:22px;display:inline-block}
.foot-bot{border-top:1px solid var(--line);padding:24px 0;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:12.8px;color:var(--dim)}
.foot-bot a:hover{color:var(--brand)}
/* 备案信息：独占一行，链到工信部与公安备案系统 */
.beian{flex-basis:100%;display:flex;align-items:center;gap:18px;flex-wrap:wrap;padding-top:2px}
.beian a{display:inline-flex;align-items:center;gap:6px;color:var(--dim);text-decoration:none;transition:color .25s var(--ease)}
.beian a:hover{color:var(--brand)}
.beian svg{flex-shrink:0;display:block}
.socials{display:flex;gap:9px;flex-wrap:wrap;margin-top:20px}
.socials span{font-size:11.5px;padding:4px 10px;border:1px solid var(--line);border-radius:6px;color:var(--dim);font-family:var(--font-mono);letter-spacing:.06em}

/* ---------- back to top ---------- */
.to-top{
  position:fixed;right:26px;bottom:26px;z-index:90;
  width:44px;height:44px;border-radius:12px;cursor:pointer;
  border:1px solid var(--line-2);background:rgba(247,247,248,0.9);backdrop-filter:blur(10px);
  color:var(--brand);display:flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none;transition:.35s var(--ease);
}
.to-top.on{opacity:1;pointer-events:auto}
.to-top:hover{background:rgba(204,0,58,0.14);transform:translateY(-3px)}

/* ---------- badges / callout / steps ---------- */
.badges{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}
.badge{
  font-size:12.5px;padding:7px 14px;border-radius:999px;
  border:1px solid var(--line-2);background:rgba(247,247,248,0.7);color:var(--muted);
  display:inline-flex;align-items:center;gap:7px;
}
.badge::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--brand);opacity:.8}

.callout{
  border-left:2px solid var(--brand);
  background:linear-gradient(90deg,rgba(204,0,58,0.07),transparent 70%);
  padding:20px 24px;border-radius:0 var(--radius) var(--radius) 0;
  font-size:14.6px;color:var(--muted);margin-top:26px;
}
.callout strong{color:var(--text)}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden}
.step{background:rgba(255,255,255,0.9);padding:30px 24px;position:relative}
.step-n{font-family:var(--font-mono);font-size:12px;letter-spacing:.2em;color:var(--brand);margin-bottom:16px;display:block}
.step h4{font-size:16px;margin-bottom:10px}
.step p{font-size:13.6px;color:var(--muted);line-height:1.72}
.step::after{content:"";position:absolute;right:18px;top:30px;width:16px;height:1px;background:linear-gradient(90deg,var(--brand),transparent);opacity:.5}

.anchor{display:block;height:0;position:relative;scroll-margin-top:calc(var(--head-h) + 24px)}
.visual-panel{border:1px solid var(--line);border-radius:var(--radius-lg);background:linear-gradient(150deg,#F7F7F8,#F2F2F2);padding:26px;overflow:hidden}
.visual-panel svg{width:100%;height:auto}
.sub-nav{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:40px}
.sub-nav a{font-size:13px;padding:8px 16px;border:1px solid var(--line-2);border-radius:999px;color:var(--muted);transition:.25s var(--ease);font-family:var(--font-mono);letter-spacing:.06em}
.sub-nav a:hover{border-color:var(--brand);color:var(--brand);background:rgba(204,0,58,0.08)}

/* ---------- 适航专项文档版式 ---------- */
.pill.mc1{color:var(--brand);border-color:rgba(204,0,58,0.38);background:rgba(204,0,58,0.09)}
.pill.mc4{color:var(--ok);border-color:rgba(20,120,74,0.38);background:rgba(20,120,74,0.09)}
.pill.both{color:#C0143C;border-color:rgba(192,20,60,0.38);background:rgba(192,20,60,0.09)}
.pill.third{color:var(--warn);border-color:rgba(169,102,10,0.38);background:rgba(169,102,10,0.09)}
.pill.pri-hi{color:#CC003A;border-color:rgba(204,0,58,0.38);background:rgba(204,0,58,0.09)}
.pill.pri-mid{color:var(--warn);border-color:rgba(169,102,10,0.38);background:rgba(169,102,10,0.09)}
.pill.pri-lo{color:var(--dim);border-color:var(--line-2);background:rgba(47,47,47,0.06)}

.g5{grid-template-columns:repeat(5,1fr)}
.steps.c5{grid-template-columns:repeat(5,1fr)}
.steps.c6{grid-template-columns:repeat(6,1fr)}

.quote{
  border-left:3px solid var(--warn);
  background:linear-gradient(90deg,rgba(169,102,10,0.09),transparent 72%);
  padding:20px 26px;border-radius:0 var(--radius) var(--radius) 0;
  margin-top:28px;max-width:720px;
}
.quote .qc{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;
  color:var(--warn);display:block;margin-bottom:10px;
}
.quote .qt{font-size:17px;font-weight:600;font-style:italic;line-height:1.7}

.clause{
  border:1px solid var(--line);border-left:3px solid var(--brand);
  border-radius:0 var(--radius) var(--radius) 0;
  background:rgba(247,247,248,0.6);padding:22px 24px;margin-bottom:14px;
  transition:.3s var(--ease);
}
.clause:hover{border-color:var(--line-2);border-left-color:var(--brand);background:rgba(255,255,255,0.8)}
.clause.core{border-left-color:var(--ok);background:linear-gradient(90deg,rgba(20,120,74,0.07),rgba(247,247,248,0.6) 60%)}
.clause-id{font-family:var(--font-mono);font-size:13.5px;font-weight:700;color:var(--brand);letter-spacing:.04em;margin-bottom:9px}
.clause.core .clause-id{color:var(--ok)}
.clause-txt{font-size:14.2px;color:var(--text);line-height:1.78;margin-bottom:11px}
.clause-an{font-size:13.8px;color:var(--muted);line-height:1.75}
.clause-an strong{color:var(--text)}
.clause-an ul{margin-top:10px;display:flex;flex-direction:column;gap:8px}
.clause-an ul li{position:relative;padding-left:17px;font-size:13.6px;line-height:1.78}
.clause-an ul li::before{
  content:"";position:absolute;left:0;top:9px;width:5px;height:5px;
  border-radius:50%;background:var(--line-2);
}
.clause.core .clause-an ul li::before{background:rgba(20,120,74,0.5)}

.lang-note{
  display:flex;gap:12px;align-items:flex-start;
  border:1px dashed var(--line-2);border-radius:var(--radius);
  background:rgba(204,0,58,0.04);padding:16px 20px;margin-top:30px;
  font-size:13.4px;color:var(--muted);
}
.lang-note svg{width:17px;height:17px;flex-shrink:0;color:var(--brand);margin-top:3px}
.lang-note b{color:var(--brand);font-family:var(--font-mono);font-size:12px;letter-spacing:.1em}

.doc-meta{
  display:flex;flex-wrap:wrap;gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:34px;
}
.doc-meta div{background:rgba(255,255,255,0.9);padding:16px 22px;flex:1;min-width:180px}
.doc-meta dt{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.16em;color:var(--dim);text-transform:uppercase;margin-bottom:6px}
.doc-meta dd{margin:0;font-size:14.6px;font-weight:600}

/* 矩阵表：紧凑一些 */
table.matrix{font-size:13px;min-width:1080px}
table.matrix td,table.matrix th{padding:13px 15px}
table.matrix td:first-child{white-space:nowrap}
table.matrix .ch{
  display:inline-block;width:22px;height:22px;line-height:22px;text-align:center;
  border-radius:6px;font-size:11px;font-weight:700;font-family:var(--font-mono);
  background:rgba(204,0,58,0.14);color:var(--brand);
}
table.matrix tbody tr.core-row{background:rgba(20,120,74,0.045)}
table.matrix tbody tr.core-row td:first-child{color:var(--ok)}

/* ---------- 四字痛点卡 ---------- */
.pain{
  position:relative;background:rgba(255,255,255,0.86);border:1px solid var(--line);
  border-top:2px solid var(--brand);border-radius:var(--radius);padding:26px 22px;
  transition:.35s var(--ease);
}
.pain:hover{border-color:var(--line-2);border-top-color:var(--brand);transform:translateY(-4px)}
.pain .pch{font-size:34px;font-weight:800;line-height:1;color:var(--brand);letter-spacing:-.02em}
.pain .pen{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.22em;color:var(--dim);margin-top:7px}
.pain h4{font-size:15px;margin:14px 0 8px}
.pain p{font-size:13.4px;color:var(--muted);line-height:1.7}
.pain.warn{border-top-color:var(--warn)}
.pain.warn .pch{color:var(--warn)}

/* ---------- 科目手风琴（仅 details.acc，避免影响 FAQ 的 div.acc） ---------- */
details.acc{
  border:1px solid var(--line);border-radius:var(--radius-lg);
  background:rgba(255,255,255,0.72);overflow:hidden;
}
details.acc + details.acc{margin-top:11px}
details.acc summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;
  padding:17px 22px;transition:.25s var(--ease);
}
details.acc summary::-webkit-details-marker{display:none}
details.acc summary:hover{background:rgba(204,0,58,0.055)}
.acc-no{
  font-family:var(--font-mono);font-size:12.5px;font-weight:700;color:var(--brand);
  border:1px solid rgba(204,0,58,0.32);background:rgba(204,0,58,0.08);
  border-radius:7px;padding:3px 10px;flex-shrink:0;
}
.acc-nm{font-size:15.4px;font-weight:600;color:var(--text);flex:1;min-width:0}
.acc-goal{font-size:12.6px;color:var(--dim);text-align:right;max-width:44%}
.acc-arw{width:15px;height:15px;flex-shrink:0;color:var(--dim);transition:.3s var(--ease)}
details.acc[open] summary{background:rgba(204,0,58,0.06);border-bottom:1px solid var(--line)}
details.acc[open] .acc-arw{transform:rotate(180deg);color:var(--brand)}
details.acc.warn .acc-no{color:var(--warn);border-color:rgba(169,102,10,0.32);background:rgba(169,102,10,0.08)}
.acc-bd{padding:22px}
.acc-cols{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.acc-cols h6{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand);margin-bottom:11px;
}
.acc-cols ul{display:flex;flex-direction:column;gap:8px}
.acc-cols li{
  position:relative;padding-left:16px;font-size:13.6px;color:var(--muted);line-height:1.72;
}
.acc-cols li::before{
  content:"";position:absolute;left:0;top:9px;width:5px;height:5px;
  border-radius:50%;background:var(--line-2);
}
.acc-crit{
  margin-top:20px;padding:16px 20px;border-radius:var(--radius);
  border-left:2px solid var(--ok);background:rgba(20,120,74,0.07);
}
.acc-crit h6{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ok);margin-bottom:9px;
}
.acc-crit li{font-size:13.4px;color:var(--muted);position:relative;padding-left:16px;line-height:1.7}
.acc-crit li + li{margin-top:7px}
.acc-crit li::before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:700}
.acc-ft{
  margin-top:18px;padding-top:14px;border-top:1px dashed var(--line);
  font-size:12.4px;color:var(--dim);display:flex;gap:20px;flex-wrap:wrap;
}
.acc-ft b{color:var(--muted);font-weight:600}

/* ---------- 图例 ---------- */
.legend{display:flex;gap:20px;flex-wrap:wrap;margin-top:14px;font-size:12.6px;color:var(--dim)}
.legend span{display:inline-flex;align-items:center;gap:7px}
.legend i{width:9px;height:9px;border-radius:50%;display:inline-block}

/* ---------- 章节徽标 ---------- */
.chb{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:26px;height:24px;padding:0 8px;border-radius:7px;
  font-family:var(--font-mono);font-size:11.5px;font-weight:700;
  border:1px solid;white-space:nowrap;
}
.chb.b{color:#C0143C;border-color:rgba(192,20,60,0.4);background:rgba(192,20,60,0.1)}
.chb.c{color:#CC003A;border-color:rgba(204,0,58,0.4);background:rgba(204,0,58,0.1)}
.chb.d{color:#A9660A;border-color:rgba(169,102,10,0.4);background:rgba(169,102,10,0.1)}
.chb.e{color:var(--warn);border-color:rgba(169,102,10,0.4);background:rgba(169,102,10,0.1)}
.chb.f{color:var(--brand);border-color:rgba(204,0,58,0.4);background:rgba(204,0,58,0.1)}
.chb.g{color:var(--ok);border-color:rgba(20,120,74,0.42);background:rgba(20,120,74,0.11)}

/* ---------- 能力标签 ---------- */
.tag{
  display:inline-block;padding:3px 10px;border-radius:999px;font-size:11.5px;
  border:1px solid;margin:0 5px 5px 0;white-space:nowrap;line-height:1.5;
}
/* 六级标签改为「同色系 + 深浅/实描」区分：官方 VI 只有一档品牌红，
   原先靠色相区分的 cy/rd/bl/pu 必须改用明度与填充方式拉开差异。 */
.tag.cy{color:var(--brand);border-color:rgba(204,0,58,0.34);background:rgba(204,0,58,0.08)}
.tag.rd{color:#FFFFFF;border-color:#CC003A;background:#CC003A;font-weight:600}
.tag.bl{color:#8A0027;border-color:rgba(138,0,39,0.46);background:rgba(168,0,48,0.10)}
.tag.pu{color:#A80030;border-color:rgba(204,0,58,0.20);background:var(--brand-tint)}
.tag.gr{color:var(--ok);border-color:rgba(20,120,74,0.34);background:rgba(20,120,74,0.08)}
.tag.or{color:#A9660A;border-color:rgba(169,102,10,0.34);background:rgba(169,102,10,0.09)}
.tag.gy{color:var(--dim);border-color:var(--line-2);background:rgba(47,47,47,0.05)}

/* ---------- 结论面板 ---------- */
.concl{
  border:1px solid var(--line-2);border-radius:var(--radius-lg);
  background:linear-gradient(140deg,rgba(168,0,48,0.16),rgba(204,0,58,0.06) 55%,rgba(255,255,255,0.9));
  padding:36px 34px;
}
.concl h3{color:var(--text);font-size:20px;margin-bottom:16px}
.concl p{color:var(--muted);font-size:15px;line-height:1.85}
.concl p + p{margin-top:13px}
.concl strong{color:var(--brand)}

/* 长矩阵表更宽一些 */
table.matrix.wide{min-width:1180px}
table.matrix td .tag{margin-bottom:0}

/* ---------- 鹰训知库专题 ---------- */
.snap{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.12em;
  color:var(--warn);border:1px solid rgba(169,102,10,0.34);background:rgba(169,102,10,0.075);
  border-radius:999px;padding:5px 14px;margin-bottom:20px;
}
.snap::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--warn);
  box-shadow:0 0 0 3px rgba(169,102,10,0.18);flex-shrink:0;
}

.price{
  font-family:var(--font-mono);font-size:clamp(28px,2.8vw,36px);font-weight:700;
  color:var(--text);line-height:1.05;margin:12px 0 6px;letter-spacing:-.02em;
}
.price em{font-style:normal;font-size:.46em;color:var(--brand);margin-left:3px;letter-spacing:0}
.price-note{font-size:12.4px;color:var(--dim);line-height:1.6}

.card.rec{border-color:rgba(204,0,58,0.42)}
.card.rec .rec-ribbon{
  position:absolute;top:0;right:0;
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;
  color:#F2F2F2;background:linear-gradient(135deg,var(--brand),#A80030);
  padding:5px 14px;border-radius:0 var(--radius-lg) 0 12px;
}

/* 五层产业链条（横向箭头） */
.chain-row{
  display:grid;grid-template-columns:repeat(5,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;margin-top:34px;
}
.chain-cell{background:rgba(255,255,255,0.86);padding:24px 20px}
.chain-cell .cn{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  color:var(--dim);margin-bottom:12px;
}
.chain-cell h5{font-size:15px;margin-bottom:10px}
.chain-cell .cv{
  font-family:var(--font-mono);font-size:24px;font-weight:700;color:var(--brand);line-height:1.1;
}
.chain-cell .cl{font-size:12.4px;color:var(--muted);margin-top:8px;line-height:1.65}
.chain-cell:nth-child(2){border-top:2px solid var(--brand)}
.chain-cell:nth-child(3){border-top:2px solid var(--brand-deep)}
.chain-cell:nth-child(4){border-top:2px solid var(--brand-mid)}
.chain-cell:nth-child(5){border-top:2px solid var(--ok)}
.chain-cell:nth-child(1){border-top:2px solid var(--warn)}

/* 数据来源字段小表 */
table.mini{font-size:13px;min-width:520px}
table.mini td:first-child{white-space:nowrap;color:var(--dim);font-family:var(--font-mono);font-size:12px}

/* 步骤序号（5/6 列时更紧凑） */
.steps.c5 .step,.steps.c6 .step{padding:24px 18px}
.steps.c5 .step h4,.steps.c6 .step h4{font-size:14.6px}
.steps.c5 .step p,.steps.c6 .step p{font-size:13px}
.steps.c5 .step::after,.steps.c6 .step::after{display:none}

/* ---------- reveal ---------- */
.rv{opacity:0;transform:translateY(26px);transition:opacity .75s var(--ease),transform .75s var(--ease)}
.rv.in{opacity:1;transform:none}
.rv-d1{transition-delay:.08s}.rv-d2{transition-delay:.16s}.rv-d3{transition-delay:.24s}.rv-d4{transition-delay:.32s}

/* ---------- marquee ---------- */
.marquee{overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:20px 0;background:rgba(250,250,251,0.7)}
.marquee-track{display:flex;gap:64px;animation:slide 34s linear infinite;white-space:nowrap;width:max-content}
.marquee-track span{font-family:var(--font-mono);font-size:13px;letter-spacing:.2em;color:var(--dim);text-transform:uppercase;display:flex;align-items:center;gap:64px}
.marquee-track span::after{content:"◇";color:var(--brand);opacity:.5}
@keyframes slide{to{transform:translateX(-50%)}}

/* ---------- anim helpers ---------- */
@keyframes spin-slow{to{transform:rotate(360deg)}}
@keyframes counter-spin{to{transform:rotate(-360deg)}}
@keyframes pulse-ring{0%{transform:scale(.72);opacity:.9}100%{transform:scale(1.5);opacity:0}}
@keyframes float-y{0%,100%{transform:translateY(0)}50%{transform:translateY(-11px)}}
@keyframes dash{to{stroke-dashoffset:-1000}}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}
@keyframes sweep{to{transform:rotate(360deg)}}

.spin-slow{animation:spin-slow 46s linear infinite;transform-origin:center}
.spin-rev{animation:counter-spin 30s linear infinite;transform-origin:center}
.float{animation:float-y 7s ease-in-out infinite}
.blink{animation:blink 2.4s ease-in-out infinite}
.dashline{stroke-dasharray:6 8;animation:dash 22s linear infinite}
.sweep{animation:sweep 5.5s linear infinite;transform-origin:center}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-visual{max-width:520px;margin:0 auto}
  .stack{grid-template-columns:repeat(2,1fr)}
  .foot-top{grid-template-columns:1fr 1fr;gap:36px}
  .g4{grid-template-columns:repeat(2,1fr)}
  .g5{grid-template-columns:repeat(3,1fr)}
  .steps.c5,.steps.c6{grid-template-columns:repeat(3,1fr)}
  .chain-row{grid-template-columns:repeat(3,1fr)}
  .nav a{padding:8px 9px;font-size:13.5px}
}
@media (max-width:900px){
  .nav,.head-actions .btn{display:none}
  .burger{display:flex}
  .mobile-nav{
    display:block;position:fixed;top:var(--head-h);left:0;right:0;z-index:99;
    background:rgba(255,255,255,0.97);backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;transition:max-height .42s var(--ease);
  }
  .mobile-nav.on{max-height:80vh;overflow-y:auto}
  .mobile-nav .wrap{padding-top:14px;padding-bottom:22px;display:flex;flex-direction:column}
  .mobile-nav a{padding:15px 4px;border-bottom:1px solid var(--line);font-size:16px;color:var(--muted)}
  .mobile-nav a.active{color:var(--brand)}
  .split,.pd{grid-template-columns:1fr;gap:40px}
  .split.rev .split-media,.pd.rev .pd-media{order:0}
  .g3,.g2{grid-template-columns:1fr}
  .g5{grid-template-columns:repeat(2,1fr)}
  .steps.c5,.steps.c6{grid-template-columns:repeat(2,1fr)}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .acc-cols{grid-template-columns:1fr;gap:20px}
  .acc-goal{display:none}
  .doc-meta div{min-width:140px}
  .chain-row{grid-template-columns:repeat(2,1fr)}
  .section{padding:78px 0}
  .cta-band{padding:44px 30px}
}
@media (max-width:640px){
  .wrap{padding:0 20px}
  /* 双列键值表在手机上不再强撑 520px，改为自适应换行 */
  table.mini{min-width:auto}
  table.mini td:first-child{white-space:normal}
  .g4{grid-template-columns:1fr}
  .g5{grid-template-columns:1fr}
  .chain-row{grid-template-columns:1fr}
  .honors{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .quote{padding:16px 18px}
  .quote .qt{font-size:15.5px}
  .form-row{grid-template-columns:1fr}
  .foot-top{grid-template-columns:1fr;gap:30px}
  .stack{grid-template-columns:1fr}
  .row{grid-template-columns:1fr;gap:10px;padding:22px 4px}
  .row-r{display:none}
  .rung{grid-template-columns:1fr;gap:10px}
  .metric{padding:20px 16px}
  .h-display{font-size:clamp(30px,8vw,42px)}
  .hero{padding-top:calc(var(--head-h) + 56px)}
  .to-top{right:16px;bottom:16px}
}