/* ============================================================
   郭耀华教授课题组 · AI 原生版样式表
   零外部依赖（无 CDN / 无网络字体），全部为本地手写规则
   结构：变量 → 基础 → 布局 → 组件 → 板块 → 暗色 → 响应式 → 无障碍
   ============================================================ */

/* ---------- 1. 设计变量 ---------- */
:root{
  --navy:#0f2544;
  --navy-2:#1e3a5f;
  --navy-3:#16324f;
  --gold:#c9a227;
  --gold-soft:#e0b93a;
  --ai-1:#22d3ee;
  --ai-2:#7c5cff;
  --ai-grad:linear-gradient(115deg,#22d3ee 0%,#4f8cff 45%,#7c5cff 100%);

  --ink:#101828;
  --ink-2:#344054;
  --ink-3:#525c6e;   /* 正文次级文字：白底对比度 ≥ 7:1 */
  --ink-4:#67728a;   /* 说明/图注等微小文字：白底对比度 ≥ 4.8:1（满足 WCAG AA） */
  --line:#e6e9ef;
  --line-2:#eef1f6;
  --bg:#f5f7fa;
  --bg-2:#ffffff;
  --bg-3:#f8fafc;
  --bg-4:#eef2f7;

  --ok:#0f9d58;
  --warn:#d97706;
  --danger:#d92d20;

  --r-sm:10px;
  --r:16px;
  --r-lg:22px;
  --r-xl:30px;
  --sh-1:0 1px 2px rgba(16,24,40,.05);
  --sh-2:0 6px 24px rgba(15,37,68,.08);
  --sh-3:0 16px 48px rgba(15,37,68,.16);
  --sh-ai:0 18px 44px rgba(79,140,255,.28);

  --font-sans:system-ui,-apple-system,"Segoe UI","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","微软雅黑","Source Han Sans SC","Noto Sans CJK SC",Roboto,"Helvetica Neue",Arial,sans-serif;
  --font-serif:Georgia,"Times New Roman","Songti SC",STSong,"Source Han Serif SC","Noto Serif CJK SC","Noto Serif SC",SimSun,serif;
  --nav-h:64px;
  --maxw:1240px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

[data-theme="dark"]{
  --ink:#e8eefc;
  --ink-2:#c3cee3;
  --ink-3:#98a6c0;
  --ink-4:#7b89a3;
  --line:#25314a;
  --line-2:#1e2740;
  --bg:#0b1220;
  --bg-2:#111a2c;
  --bg-3:#0f1728;
  --bg-4:#162034;
  --sh-2:0 6px 24px rgba(0,0,0,.45);
  --sh-3:0 16px 48px rgba(0,0,0,.55);
}

/* ---------- 2. 基础 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--font-sans);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
img,svg,canvas{max-width:100%}
img{height:auto;display:block}
a{color:inherit;text-decoration:none}
b,strong{font-weight:700}
h1,h2,h3,h4,h5{margin:0;line-height:1.28;letter-spacing:.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:3px solid #4f8cff;outline-offset:2px;border-radius:6px}
::selection{background:var(--gold);color:var(--navy)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:#c3cbd9;border-radius:999px;border:3px solid var(--bg)}
[data-theme="dark"] ::-webkit-scrollbar-thumb{background:#2c3a55;border-color:var(--bg)}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip-link{
  position:fixed;left:12px;top:-64px;z-index:200;background:var(--navy);color:#fff;
  padding:10px 18px;border-radius:0 0 12px 12px;font-weight:700;transition:top .2s var(--ease);
}
.skip-link:focus{top:0}

/* ---------- 3. 布局工具 ---------- */
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:20px}
.narrow{max-width:900px;margin-inline:auto}
.section{padding:88px 0;position:relative}
.section.tight{padding:56px 0}
.bg-2{background:var(--bg-2)}
.bg-3{background:var(--bg-3)}
.bg-4{background:var(--bg-4)}
.bg-navy{background:linear-gradient(135deg,#0b1f3a 0%,#16324f 58%,#1e3a5f 100%);color:#fff}
.center{text-align:center}
.grid{display:grid;gap:22px}
.g-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.split-2-1{grid-template-columns:1.55fr .95fr;align-items:stretch}
.mt-1{margin-top:6px}.mt-2{margin-top:12px}.mt-3{margin-top:18px}
.mt-4{margin-top:26px}.mt-5{margin-top:36px}.mt-6{margin-top:52px}
.mb-3{margin-bottom:18px}.mb-4{margin-bottom:26px}.mb-5{margin-bottom:34px}
.muted{color:var(--ink-3)}
.small{font-size:14px}
.xsmall{font-size:12.5px}
.serif{font-family:var(--font-serif)}
.nowrap{white-space:nowrap}
.flex{display:flex}
.between{justify-content:space-between}
.aic{align-items:center}
.wrap{flex-wrap:wrap}
.gap-2{gap:10px}.gap-3{gap:16px}.gap-4{gap:22px}
.hidden{display:none !important}

/* ---------- 4. 标题与文字 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:800;
  letter-spacing:.16em;text-transform:uppercase;color:#2563eb;
  background:rgba(37,99,235,.08);padding:7px 15px;border-radius:999px;
}
.eyebrow.ai{color:#5b46d6;background:rgba(124,92,255,.12)}
.section-head{max-width:820px;margin:0 auto 46px;text-align:center}
.section-head h2{font-family:var(--font-serif);font-size:clamp(26px,3.4vw,40px);font-weight:900;color:var(--ink);margin-top:16px}
.bg-navy .section-head h2,.bg-navy h2{color:#fff}
.section-head .lead{margin-top:16px;color:var(--ink-3);font-size:16.5px}
.bg-navy .section-head .lead{color:rgba(224,236,255,.86)}
.rule{height:4px;width:96px;border-radius:999px;margin:18px auto 0;background:linear-gradient(90deg,var(--navy-2),#4f8cff)}
.rule.ai{background:var(--ai-grad)}
.rule.left{margin-left:0}

/* ---------- 5. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:14px;font-weight:700;font-size:15px;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease);
  border:1px solid transparent;cursor:pointer;line-height:1.2;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--navy-2);color:#fff;box-shadow:var(--sh-2)}
.btn-primary:hover{background:#254a75}
.btn-gold{background:var(--gold);color:var(--navy);box-shadow:0 12px 28px rgba(201,162,39,.28)}
.btn-gold:hover{background:var(--gold-soft)}
.btn-ai{background:var(--ai-grad);color:#fff;box-shadow:var(--sh-ai);position:relative}
.btn-ai:hover{filter:brightness(1.06)}
.btn-ghost{background:transparent;color:var(--ink-2);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--navy-2);color:var(--navy-2);background:rgba(37,99,235,.05)}
.bg-navy .btn-ghost{color:#fff;border-color:rgba(255,255,255,.34)}
.bg-navy .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff}
.btn-sm{padding:9px 17px;font-size:13.5px;border-radius:11px}
.btn-icon{width:40px;height:40px;padding:0;border-radius:12px}
.btn .ico{width:18px;height:18px;flex:none}

/* ---------- 6. 图标与标签 ---------- */
.ico{width:20px;height:20px;fill:currentColor;flex:none;display:inline-block;vertical-align:middle}
.ico-lg{width:26px;height:26px}
.icon-box{
  width:50px;height:50px;border-radius:15px;display:flex;align-items:center;justify-content:center;
  color:#fff;flex:none;background:var(--navy-2);
}
.icon-box.blue{background:linear-gradient(135deg,#2563eb,#4f8cff)}
.icon-box.red{background:linear-gradient(135deg,#dc2626,#f97316)}
.icon-box.gold{background:linear-gradient(135deg,#b8860b,#e0b93a)}
.icon-box.green{background:linear-gradient(135deg,#047857,#10b981)}
.icon-box.ai{background:var(--ai-grad)}
.icon-box.soft{background:rgba(37,99,235,.1);color:#2563eb}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{font-size:12.5px;font-weight:700;padding:5px 12px;border-radius:999px;background:rgba(37,99,235,.09);color:#2563eb}
.tag.gold{background:rgba(201,162,39,.16);color:#8a6d10}
.tag.ai{background:rgba(124,92,255,.13);color:#5b46d6}
.tag.green{background:rgba(16,185,129,.13);color:#047857}
.tag.red{background:rgba(217,45,32,.1);color:#b42318}
.chip{
  display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;
  padding:6px 13px;border-radius:999px;border:1px solid var(--line);color:var(--ink-2);background:var(--bg-2);
}
.dot{width:8px;height:8px;border-radius:999px;background:var(--ok);flex:none}
.dot.pulse{box-shadow:0 0 0 0 rgba(15,157,88,.5);animation:pulse 2.2s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 9px rgba(15,157,88,0)}}

/* ---------- 7. 导航 ---------- */
.nav{
  position:fixed;inset:0 0 auto;z-index:90;height:var(--nav-h);
  background:color-mix(in srgb,var(--bg-2) 88%,transparent);
  backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line-2);
  transition:box-shadow .25s var(--ease),background .25s var(--ease);
}
.nav.scrolled{box-shadow:0 6px 26px rgba(15,37,68,.08)}
.nav-inner{height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:flex;align-items:center;gap:12px;font-weight:900;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--navy) 0%,#2563eb 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--font-serif);
  font-size:17px;letter-spacing:.02em;box-shadow:0 6px 16px rgba(30,58,95,.28);flex:none;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text b{font-size:16.5px;color:var(--ink);white-space:nowrap}
.brand-text span{font-size:11.5px;color:var(--ink-4);font-weight:600;letter-spacing:.02em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{
  font-size:14px;font-weight:600;color:var(--ink-2);padding:9px 11px;border-radius:10px;
  transition:color .18s,background .18s;white-space:nowrap;
}
.nav-link:hover{color:var(--navy-2);background:rgba(37,99,235,.07)}
.nav-link.active{color:var(--navy-2);background:rgba(37,99,235,.1);font-weight:800}
.nav-link.ai-link{color:#5b46d6}
.nav-link.ai-link:hover{background:rgba(124,92,255,.12)}
.nav-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.icon-btn{
  width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  color:var(--ink-2);border:1px solid transparent;transition:background .18s,color .18s,border-color .18s;
}
.icon-btn:hover{background:var(--bg-4);color:var(--navy-2)}
.icon-btn.bordered{border-color:var(--line)}
.kbd-hint{
  display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:11px;
  padding:7px 10px;font-size:13px;color:var(--ink-3);background:var(--bg-3);transition:.18s var(--ease);
}
.kbd-hint:hover{border-color:#4f8cff;color:var(--navy-2)}
kbd{
  font-family:var(--font-sans);font-size:11px;font-weight:700;padding:2px 6px;border-radius:6px;
  background:var(--bg-4);border:1px solid var(--line);color:var(--ink-2);
}
.burger{display:none}
.progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:120;background:linear-gradient(90deg,var(--gold),#4f8cff,var(--ai-2))}

/* 移动端抽屉 */
.mobile-panel{
  position:fixed;inset:var(--nav-h) 0 auto;z-index:88;background:var(--bg-2);
  border-bottom:1px solid var(--line);box-shadow:var(--sh-3);
  transform:translateY(-12px);opacity:0;pointer-events:none;transition:.24s var(--ease);
  max-height:calc(100vh - var(--nav-h));overflow-y:auto;
}
.mobile-panel.open{transform:none;opacity:1;pointer-events:auto}
.mobile-panel a{padding:14px 4px;border-bottom:1px solid var(--line-2);font-weight:700;color:var(--ink-2);display:flex;align-items:center;gap:12px}
.mobile-panel a.active{color:var(--navy-2)}

/* ---------- 8. Hero ---------- */
.hero{
  position:relative;padding:calc(var(--nav-h) + 74px) 0 78px;overflow:hidden;color:#fff;
  background:radial-gradient(1000px 620px at 78% -8%,rgba(79,140,255,.42),transparent 62%),
             radial-gradient(760px 520px at 6% 92%,rgba(201,162,39,.24),transparent 60%),
             linear-gradient(135deg,#081d38 0%,#123055 52%,#1b3b63 100%);
}
.hero .grid-lines{
  position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:48px 48px;mask-image:radial-gradient(120% 90% at 50% 0%,#000 40%,transparent 100%);
}
.orb{position:absolute;border-radius:999px;filter:blur(64px);opacity:.5;animation:float 10s ease-in-out infinite;pointer-events:none}
@keyframes float{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-26px) scale(1.07)}}
.hero-grid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:46px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:800;color:var(--navy);
  background:linear-gradient(100deg,#f2d675,#c9a227);padding:9px 17px;border-radius:999px;
  box-shadow:0 10px 26px rgba(201,162,39,.3);
}
.hero h1{font-family:var(--font-serif);font-size:clamp(31px,4.6vw,54px);font-weight:900;margin-top:22px;letter-spacing:.01em}
.hero h1 .hl{background:linear-gradient(100deg,#ffe08a,#c9a227);-webkit-background-clip:text;background-clip:text;color:transparent}
.typed-line{margin-top:18px;font-size:clamp(17px,2vw,22px);font-family:var(--font-serif);color:#cfe0f7;min-height:34px}
.typed-line #typed{color:#fff;font-weight:700}
.caret{display:inline-block;width:3px;height:1em;background:var(--gold);margin-left:4px;vertical-align:-.12em;animation:blink 1s step-end infinite}
@keyframes blink{50%{opacity:0}}
.hero-cta{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px}
.hero-ai-chips{margin-top:22px;display:flex;flex-wrap:wrap;gap:10px}
.hero-ai-chips .chip{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.24);color:#e8f1ff;transition:.18s var(--ease)}
.hero-ai-chips .chip:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}

/* 数据卡 */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:56px}
.stat-card{
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);border-radius:var(--r);
  padding:24px 18px;text-align:center;backdrop-filter:blur(8px);transition:.25s var(--ease);
}
.stat-card:hover{background:rgba(255,255,255,.15);transform:translateY(-4px)}
.stat-num{font-family:var(--font-serif);font-size:clamp(32px,4vw,46px);font-weight:900;color:#fff;line-height:1.1}
.stat-card:nth-child(1) .stat-num{color:#ffdd85}
.stat-card:nth-child(4) .stat-num{color:var(--ai-1)}
.stat-label{margin-top:6px;font-size:13.5px;color:rgba(220,235,255,.85)}
.scroll-hint{margin-top:40px;text-align:center;color:rgba(200,220,245,.6)}
.scroll-hint a{display:inline-block;animation:bounce 1.9s ease-in-out infinite}
@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(9px)}}

/* ---------- 9. 通用卡片 ---------- */
.card{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-2);transition:transform .24s var(--ease),box-shadow .24s var(--ease)}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.card.flat{box-shadow:none}
.card.flat:hover{transform:none}
.card.soft{background:var(--bg-3)}
.card h3{font-size:19px;font-weight:800;color:var(--ink)}
.card h4{font-size:16.5px;font-weight:800}
.card-title{display:flex;align-items:center;gap:13px}
.card-ico{width:44px;height:44px;border-radius:13px;display:flex;align-items:center;justify-content:center;flex:none;color:#fff;background:var(--navy-2)}
.card p{color:var(--ink-3);font-size:14.5px;line-height:1.78}
.card p + p{margin-top:10px}
.card.ai-card{border-color:rgba(124,92,255,.28);background:linear-gradient(170deg,var(--bg-2),rgba(124,92,255,.05))}
.card.ai-card:hover{border-color:rgba(124,92,255,.5)}
.check-list{margin-top:14px;display:flex;flex-direction:column;gap:9px}
.check-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2)}
.check-list .ico{width:17px;height:17px;color:#2563eb;margin-top:5px}
.kv{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:14px}
.kv:last-child{border-bottom:0}
.kv span{color:var(--ink-3)}
.kv b{color:var(--ink)}
.note{font-size:12.5px;color:var(--ink-4);display:flex;gap:7px;align-items:flex-start;line-height:1.6}
.note .ico{width:14px;height:14px;margin-top:3px;flex:none}

/* ---------- 10. 新闻条 ---------- */
.news-strip{background:var(--bg-2);border-bottom:1px solid var(--line);padding:26px 0}
.news-grid{display:grid;grid-template-columns:auto 1fr;gap:26px;align-items:center}
.news-live{display:flex;align-items:center;gap:10px;font-family:var(--font-serif);font-weight:900;font-size:18px;color:var(--navy-2);white-space:nowrap}
.news-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
.news-card{
  background:var(--bg-3);border:1px solid var(--line);border-radius:var(--r);padding:15px 17px;display:block;
  transition:.22s var(--ease);
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#bfdbfe}
.news-card .row{display:flex;align-items:center;justify-content:space-between;gap:10px}
.news-card .date{font-size:12px;font-weight:800;color:#b42318;background:rgba(217,45,32,.08);padding:3px 10px;border-radius:999px}
.news-card p{font-size:14px;font-weight:700;color:var(--ink);line-height:1.5}
.news-card .sub{font-size:12.5px;color:var(--ink-4);font-weight:500;margin-top:5px}
.ai-summary{
  margin-top:18px;display:flex;gap:12px;align-items:flex-start;background:linear-gradient(100deg,rgba(124,92,255,.09),rgba(34,211,238,.08));
  border:1px solid rgba(124,92,255,.22);border-radius:var(--r);padding:14px 17px;
}
.ai-summary .ico{color:#7c5cff;margin-top:4px}
.ai-summary p{font-size:14px;color:var(--ink-2)}

/* ---------- 11. AI 智能导读 ---------- */
.briefing-app{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-xl);padding:30px;box-shadow:var(--sh-2)}
.persona-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.persona-btn{
  display:inline-flex;align-items:center;gap:8px;padding:11px 18px;border-radius:999px;font-size:14px;font-weight:700;
  border:1px solid var(--line);color:var(--ink-2);background:var(--bg-3);transition:.2s var(--ease);
}
.persona-btn:hover{border-color:#93c5fd;color:var(--navy-2)}
.persona-btn.active{background:var(--ai-grad);color:#fff;border-color:transparent;box-shadow:var(--sh-ai)}
.persona-btn .ico{width:17px;height:17px}
.brief-out{display:grid;grid-template-columns:1.35fr 1fr;gap:26px}
.brief-main{background:var(--bg-3);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px}
.brief-main h3{font-family:var(--font-serif);font-size:23px;font-weight:900;color:var(--ink)}
.brief-main .summary{margin-top:14px;color:var(--ink-2);font-size:15.5px;line-height:1.85}
.brief-points{margin-top:18px;display:flex;flex-direction:column;gap:13px}
.brief-point{display:flex;gap:12px;background:var(--bg-2);border:1px solid var(--line-2);border-radius:14px;padding:13px 15px;transition:.2s var(--ease)}
.brief-point:hover{border-color:#bfdbfe;transform:translateX(3px)}
.brief-point .idx{
  width:25px;height:25px;border-radius:8px;background:rgba(37,99,235,.1);color:#2563eb;font-size:12.5px;
  font-weight:900;display:flex;align-items:center;justify-content:center;flex:none;margin-top:3px;
}
.brief-point b{display:block;font-size:15px;color:var(--ink)}
.brief-point span{font-size:13.5px;color:var(--ink-3)}
.brief-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.brief-side{display:flex;flex-direction:column;gap:16px}
.side-box{background:var(--bg-3);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px}
.side-box h4{font-size:14px;font-weight:800;color:var(--ink-3);letter-spacing:.06em;text-transform:uppercase}
.side-list{margin-top:13px;display:flex;flex-direction:column;gap:9px}
.side-list a{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:600;color:var(--ink-2);padding:7px 9px;border-radius:10px;transition:.18s}
.side-list a:hover{background:var(--bg-4);color:var(--navy-2)}
.side-list .ico{width:16px;height:16px;color:#2563eb}

/* ---------- 12. 真问题卡 ---------- */
.q-card{position:relative;overflow:hidden;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-2);transition:.26s var(--ease)}
.q-card:hover{transform:translateY(-5px);box-shadow:var(--sh-3)}
.q-num{position:absolute;right:18px;bottom:-14px;font-family:var(--font-serif);font-size:88px;font-weight:900;color:rgba(30,58,95,.07);line-height:1;pointer-events:none;transition:.4s var(--ease)}
.q-card:hover .q-num{color:rgba(201,162,39,.2)}
.q-card h3{font-size:19.5px;font-weight:800;color:var(--ink)}
.q-metric{margin-top:16px;display:flex;flex-wrap:wrap;gap:10px}
.q-metric span{font-size:12.5px;font-weight:800;color:#047857;background:rgba(16,185,129,.1);padding:5px 12px;border-radius:999px}
.q-ask{margin-top:16px;display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:800;color:#5b46d6}
.q-ask:hover{text-decoration:underline}

/* ---------- 13. 研究方向 ---------- */
.dir-card{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);transition:.26s var(--ease);display:flex;flex-direction:column}
.dir-card:hover{transform:translateY(-6px);box-shadow:var(--sh-3)}
.dir-head{position:relative;padding:24px;color:#fff;overflow:hidden;background:linear-gradient(135deg,#1e3a5f,#2563eb)}
.dir-card:nth-child(2) .dir-head{background:linear-gradient(135deg,#132645,#1d4ed8)}
.dir-card:nth-child(3) .dir-head{background:linear-gradient(135deg,#9a3412,#dc2626)}
.dir-head .ghost-ico{position:absolute;right:-12px;bottom:-22px;width:130px;height:130px;opacity:.14;transform:rotate(10deg)}
.dir-head .idx{font-size:12px;font-weight:800;background:rgba(255,255,255,.2);padding:4px 12px;border-radius:999px}
.dir-head h3{margin-top:10px;font-family:var(--font-serif);font-size:20px;font-weight:900}
.dir-body{padding:24px;display:flex;flex-direction:column;gap:16px;flex:1}
.dir-badge{align-self:flex-start;font-size:12px;font-weight:800;color:#fff;background:#dc2626;padding:5px 12px;border-radius:999px}

/* ---------- 14. AI 原生实验室 ---------- */
.ai-lab{background:radial-gradient(900px 520px at 12% -10%,rgba(124,92,255,.22),transparent 60%),radial-gradient(760px 460px at 92% 8%,rgba(34,211,238,.18),transparent 58%),linear-gradient(160deg,#0a1a30 0%,#10233d 55%,#0d1f36 100%);color:#fff}
.ai-card{background:rgba(255,255,255,.07);border:1px solid rgba(150,190,255,.22);border-radius:var(--r-lg);padding:24px;backdrop-filter:blur(8px);transition:.26s var(--ease)}
.ai-card:hover{background:rgba(255,255,255,.12);transform:translateY(-5px);border-color:rgba(150,190,255,.42)}
.ai-card h3{font-size:17.5px;font-weight:800;color:#fff;margin-top:14px}
.ai-card p{color:rgba(214,230,250,.85);font-size:14px;margin-top:10px}
.ai-card .mini{font-size:12.5px;color:var(--ai-1);font-weight:700;margin-top:13px}
.roadmap{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:12px}
.rm-item{position:relative;background:rgba(255,255,255,.06);border:1px solid rgba(150,190,255,.2);border-radius:var(--r);padding:18px}
.rm-item::before{content:"";position:absolute;top:-9px;left:18px;width:16px;height:16px;border-radius:999px;background:var(--ai-grad);box-shadow:0 0 0 5px rgba(9,25,45,.9)}
.rm-item .yr{font-family:var(--font-serif);font-size:20px;font-weight:900;color:var(--ai-1)}
.rm-item b{display:block;margin-top:8px;font-size:15px;color:#fff}
.rm-item p{font-size:13px;color:rgba(206,224,246,.82);margin-top:7px}

/* 交互沙盘 */
.sim{background:rgba(9,20,38,.62);border:1px solid rgba(140,180,255,.26);border-radius:var(--r-lg);padding:22px;margin-top:26px}
.sim-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px}
.sim-head h3{font-size:18px;font-weight:800;color:#fff}
.sim-body{display:grid;grid-template-columns:1.25fr .85fr;gap:22px;margin-top:18px}
.sim-canvas-wrap{position:relative;background:#08182c;border:1px solid rgba(140,180,255,.22);border-radius:var(--r);overflow:hidden}
.sim-canvas{width:100%;height:290px;display:block}
.sim-legend{display:flex;flex-wrap:wrap;gap:14px;padding:11px 14px;border-top:1px solid rgba(140,180,255,.18);font-size:12.5px;color:rgba(206,224,246,.85)}
.sim-legend i{display:inline-block;width:14px;height:3px;border-radius:2px;margin-right:6px;vertical-align:3px}
.sim-panel{display:flex;flex-direction:column;gap:15px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:13px;font-weight:700;color:rgba(214,230,250,.9);display:flex;justify-content:space-between;gap:10px}
.field label b{color:var(--ai-1);font-family:var(--font-serif);font-size:15px}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:999px;background:rgba(255,255,255,.18);outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:19px;height:19px;border-radius:999px;background:var(--ai-grad);border:2px solid #eaf2ff;cursor:pointer;box-shadow:0 3px 12px rgba(0,0,0,.4)}
input[type=range]::-moz-range-thumb{width:17px;height:17px;border:2px solid #eaf2ff;border-radius:999px;background:#4f8cff;cursor:pointer}
.switch-row{display:flex;align-items:center;justify-content:space-between;gap:12px;background:rgba(255,255,255,.06);border:1px solid rgba(150,190,255,.2);border-radius:13px;padding:12px 14px}
.switch-row span{font-size:13.5px;font-weight:700;color:#dbe8fb}
.switch{position:relative;width:52px;height:28px;border-radius:999px;background:rgba(255,255,255,.2);transition:.25s var(--ease);flex:none}
.switch::after{content:"";position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:999px;background:#fff;transition:.25s var(--ease)}
.switch[aria-checked="true"]{background:linear-gradient(90deg,#22d3ee,#7c5cff)}
.switch[aria-checked="true"]::after{left:27px}
.sim-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:11px}
.metric{background:rgba(255,255,255,.07);border:1px solid rgba(150,190,255,.2);border-radius:13px;padding:12px;text-align:center}
.metric b{display:block;font-family:var(--font-serif);font-size:21px;color:#fff}
.metric span{font-size:11.5px;color:rgba(206,224,246,.8)}
.metric.good b{color:#4ade80}
.metric.bad b{color:#fda4af}
.sim-verdict{border-radius:13px;padding:13px 15px;font-size:13.5px;font-weight:700;line-height:1.6}
.sim-verdict.ok{background:rgba(74,222,128,.14);border:1px solid rgba(74,222,128,.35);color:#bbf7d0}
.sim-verdict.warn{background:rgba(251,191,36,.14);border:1px solid rgba(251,191,36,.35);color:#fde68a}
.sim-verdict.risk{background:rgba(248,113,113,.15);border:1px solid rgba(248,113,113,.38);color:#fecaca}

/* ---------- 15. 未来出行 ---------- */

/* ---------- 16. 硬核成果 Tabs ---------- */
.tabs{display:flex;flex-wrap:wrap;justify-content:center;gap:11px;margin-bottom:30px}
.tab-btn{
  display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:999px;font-size:14px;font-weight:700;
  background:var(--bg-2);border:1px solid var(--line);color:var(--ink-3);transition:.2s var(--ease);
}
.tab-btn:hover{border-color:#93c5fd;color:var(--navy-2)}
.tab-btn[aria-selected="true"]{background:var(--navy-2);border-color:var(--navy-2);color:#fff;box-shadow:var(--sh-2)}
.tab-pane{display:none}
.tab-pane.active{display:block;animation:fade .45s var(--ease)}
@keyframes fade{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.panel{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--sh-2);padding:28px;overflow:hidden}
.award-hero{background:linear-gradient(115deg,#8f1d1d,#dc2626 55%,#f97316);color:#fff;border-radius:var(--r-lg);padding:28px;text-align:center}
.award-hero .pill{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.18);padding:7px 16px;border-radius:999px;font-size:13.5px;font-weight:800}
.award-hero h3{margin-top:14px;font-family:var(--font-serif);font-size:clamp(22px,2.8vw,30px);font-weight:900}
.award-hero p{margin-top:12px;color:rgba(255,240,240,.92);font-size:14.5px}
.award-hero b{color:#ffe08a}
figure{margin:0}
.figure img{width:100%;border-radius:var(--r);border:1px solid var(--line);background:var(--bg-2)}
.figcap{margin-top:10px;text-align:center;font-size:13px;color:var(--ink-4)}
.quote-card{border-radius:var(--r-lg);padding:22px;border:1px solid}
.quote-card.red{background:rgba(217,45,32,.05);border-color:rgba(217,45,32,.18)}
.quote-card.blue{background:rgba(37,99,235,.05);border-color:rgba(37,99,235,.18)}
.quote-card h4{display:flex;align-items:center;gap:9px;font-size:15.5px}
.quote-card.red h4{color:#b42318}
.quote-card.blue h4{color:#1d4ed8}
.quote-card p{margin-top:11px;font-size:14.5px;color:var(--ink-2);line-height:1.8}
.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:22px}
.mini-card{background:var(--bg-3);border:1px solid var(--line);border-radius:var(--r);padding:19px;text-align:center}
.mini-card .ico{color:var(--gold);width:26px;height:26px}
.mini-card b{display:block;margin-top:9px;color:var(--ink)}
.mini-card p{margin-top:8px;font-size:13px;color:var(--ink-3)}
.ip-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:24px}
.ip-stat{border-radius:var(--r);padding:18px;text-align:center;border:1px solid}
.ip-stat b{display:block;font-family:var(--font-serif);font-size:29px;font-weight:900}
.ip-stat span{font-size:12.5px;color:var(--ink-3)}
.ip-stat.r{background:rgba(217,45,32,.05);border-color:rgba(217,45,32,.18)}
.ip-stat.r b{color:#b42318}
.ip-stat.b{background:rgba(37,99,235,.05);border-color:rgba(37,99,235,.18)}
.ip-stat.b b{color:#1d4ed8}
.ip-stat.g{background:rgba(201,162,39,.08);border-color:rgba(201,162,39,.24)}
.ip-stat.g b{color:#8a6d10}
.ip-stat.e{background:rgba(16,185,129,.07);border-color:rgba(16,185,129,.22)}
.ip-stat.e b{color:#047857}
.details{background:var(--bg-3);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;margin-top:22px}
.details summary{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 20px;cursor:pointer;font-weight:800;color:var(--ink);list-style:none}
.details summary::-webkit-details-marker{display:none}
.details summary .plus{transition:transform .3s var(--ease);color:var(--ink-4)}
.details[open] summary .plus{transform:rotate(45deg)}
.details-body{padding:0 20px 22px}
.tech-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:18px}
.tech-grid figure{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r);padding:12px}
.tech-grid img{border-radius:12px;border:0}

/* ---------- 17. 学术足迹 ---------- */
.timeline{position:relative;max-width:1000px;margin:0 auto}
.timeline::before{content:"";position:absolute;left:13px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,#2563eb,var(--gold))}
.tl-item{position:relative;padding-left:54px;margin-bottom:26px}
.tl-dot{position:absolute;left:5px;top:26px;width:18px;height:18px;border-radius:999px;background:var(--navy-2);border:4px solid var(--bg-2);box-shadow:0 0 0 2px rgba(37,99,235,.25)}
.tl-item:nth-child(odd) .tl-dot{background:var(--gold)}
.tl-card{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);display:grid;grid-template-columns:280px 1fr;transition:.24s var(--ease)}
.tl-item:nth-child(even) .tl-card{grid-template-columns:1fr 280px}
.tl-item:nth-child(even) .tl-card .tl-media{order:2}
.tl-card:hover{box-shadow:var(--sh-3)}
.tl-media img{width:100%;height:100%;object-fit:cover;min-height:180px}
.tl-body{padding:22px}
.tl-date{font-size:12.5px;font-weight:800;color:#1d4ed8;background:rgba(37,99,235,.1);padding:4px 12px;border-radius:999px;display:inline-block}
.tl-body h4{margin-top:11px;font-size:17.5px;font-weight:800;color:var(--ink)}
.tl-body p{margin-top:9px;font-size:14px;color:var(--ink-3)}

/* ---------- 18. 活动掠影 ---------- */
.gallery-bar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:center;margin-bottom:26px}
.filter-input{
  display:flex;align-items:center;gap:9px;background:var(--bg-2);border:1px solid var(--line);
  border-radius:999px;padding:10px 18px;min-width:270px;
}
.filter-input input{border:0;outline:none;background:none;flex:1;font-size:14px}
.filter-input .ico{color:var(--ink-4);width:17px;height:17px}
.masonry{columns:2;column-gap:18px}
.masonry-item{break-inside:avoid;margin-bottom:18px;position:relative;border-radius:var(--r);overflow:hidden;box-shadow:var(--sh-2);cursor:zoom-in;background:var(--bg-2)}
.masonry-item img{width:100%;transition:transform .5s var(--ease)}
.masonry-item:hover img{transform:scale(1.05)}
.photo-cap{position:absolute;inset:auto 0 0;padding:26px 14px 13px;color:#fff;font-size:12.5px;background:linear-gradient(transparent,rgba(8,20,38,.88))}
.masonry-item[hidden]{display:none}

/* ---------- 19. 加入我们 ---------- */
.value-card{border-radius:var(--r-lg);padding:26px;border:1px solid;background:var(--bg-2);transition:.25s var(--ease)}
.value-card:hover{transform:translateY(-5px);box-shadow:var(--sh-3)}
.value-card h3{margin-top:15px;font-size:18px;font-weight:800}
.value-card p{margin-top:10px;font-size:14px;color:var(--ink-3)}
.value-card.v1{background:linear-gradient(165deg,rgba(37,99,235,.08),var(--bg-2));border-color:rgba(37,99,235,.2)}
.value-card.v2{background:linear-gradient(165deg,rgba(29,78,216,.08),var(--bg-2));border-color:rgba(29,78,216,.2)}
.value-card.v3{background:linear-gradient(165deg,rgba(201,162,39,.12),var(--bg-2));border-color:rgba(201,162,39,.26)}
.value-card.v4{background:linear-gradient(165deg,rgba(217,45,32,.08),var(--bg-2));border-color:rgba(217,45,32,.2)}
.honor-card{background:var(--bg-3);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-2)}
.honor-card h4{display:flex;align-items:center;gap:10px;font-size:16.5px}
.honor-card h4 .ico{color:var(--gold)}
.honor-card p{margin-top:12px;font-size:14px;color:var(--ink-2)}
.faq{background:var(--bg-3);border:1px solid var(--line);border-radius:var(--r);margin-bottom:12px;overflow:hidden}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:17px 20px;font-weight:800;cursor:pointer;list-style:none;color:var(--ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary .plus{color:var(--gold);transition:transform .3s var(--ease);flex:none}
.faq[open] summary .plus{transform:rotate(45deg)}
.faq .faq-body{padding:0 20px 18px;font-size:14.5px;color:var(--ink-2)}
.cta-banner{position:relative;border-radius:var(--r-xl);overflow:hidden;color:#fff;margin-top:48px}
.cta-banner img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cta-banner .veil{position:absolute;inset:0;background:linear-gradient(135deg,rgba(8,25,46,.94),rgba(30,58,95,.86))}
.cta-inner{position:relative;padding:56px 28px;text-align:center}
.cta-inner .kicker{font-family:var(--font-serif);letter-spacing:.16em;font-size:13.5px;color:#cfe0f7}
.cta-inner h3{margin-top:10px;font-family:var(--font-serif);font-size:clamp(21px,2.8vw,30px);font-weight:900}
.cta-inner p{margin-top:13px;color:rgba(226,238,252,.9);font-size:15px;max-width:660px;margin-inline:auto}

/* ---------- 20. AI 报考匹配器 ---------- */
.match-app{background:var(--bg-2);border:1px solid rgba(124,92,255,.26);border-radius:var(--r-xl);padding:30px;box-shadow:var(--sh-2)}
.match-steps{display:grid;grid-template-columns:1.05fr 1fr;gap:30px}
.quiz-step{margin-bottom:22px}
.quiz-step h4{font-size:15.5px;font-weight:800;color:var(--ink);display:flex;align-items:center;gap:9px}
.quiz-step h4 .n{width:22px;height:22px;border-radius:7px;background:var(--ai-grad);color:#fff;font-size:12px;display:flex;align-items:center;justify-content:center;font-weight:900;flex:none}
.choices{display:flex;flex-wrap:wrap;gap:9px;margin-top:12px}
.choice{
  padding:9px 16px;border-radius:999px;border:1px solid var(--line);background:var(--bg-3);
  font-size:13.5px;font-weight:600;color:var(--ink-2);transition:.18s var(--ease);cursor:pointer;
}
.choice:hover{border-color:#a5b4fc;color:#4c1d95}
.choice[aria-pressed="true"]{background:linear-gradient(120deg,rgba(34,211,238,.16),rgba(124,92,255,.18));border-color:#8b7cff;color:#4c1d95;font-weight:800}
[data-theme="dark"] .choice[aria-pressed="true"]{color:#d9d4ff}
.match-result{background:var(--bg-3);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;display:flex;flex-direction:column;gap:16px}
.match-result h4{font-family:var(--font-serif);font-size:20px;font-weight:900}
.score-row{display:flex;flex-direction:column;gap:6px}
.score-top{display:flex;justify-content:space-between;font-size:13.5px;font-weight:700}
.bar{height:8px;border-radius:999px;background:var(--bg-4);overflow:hidden}
.bar i{display:block;height:100%;border-radius:999px;background:var(--ai-grad);width:0;transition:width .8s var(--ease)}
.match-draft{background:var(--bg-2);border:1px dashed var(--line);border-radius:var(--r);padding:16px;font-size:13px;color:var(--ink-2);white-space:pre-wrap;max-height:210px;overflow:auto;line-height:1.7}

/* ---------- 21. 概况与联系 ---------- */
.about-text{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px;box-shadow:var(--sh-2)}
.about-text p{color:var(--ink-2);font-size:15.5px}
.about-text p + p{margin-top:14px}
.about-text b{color:var(--navy-2)}
.platform-card{background:linear-gradient(160deg,var(--navy),#1b3f68);color:#fff;border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-2)}
.platform-card h3{display:flex;align-items:center;gap:10px;font-family:var(--font-serif);font-size:18px}
.platform-card h3 .ico{color:var(--gold)}
.platform-card li{font-size:14px;color:rgba(222,236,252,.9);padding:8px 0;border-bottom:1px dashed rgba(255,255,255,.16);display:flex;gap:9px}
.platform-card li:last-child{border-bottom:0}
.contact-card{background:var(--bg-3);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;text-align:center;transition:.24s var(--ease)}
.contact-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.contact-card .ico{width:26px;height:26px;color:var(--navy-2)}
.contact-card .label{margin-top:11px;font-size:13px;color:var(--ink-4)}
.contact-card .val{margin-top:5px;font-weight:800;color:var(--ink);font-size:15px}
.contact-card a.val:hover{color:#1d4ed8;text-decoration:underline}

/* ---------- 22. 页脚 ---------- */
.footer{background:#08172c;color:#93a6bf;padding:52px 0 30px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.09)}
.footer h4{color:#fff;font-size:15.5px;font-weight:800;margin-bottom:13px}
.footer a:hover{color:#fff;text-decoration:underline}
.footer li{padding:5px 0}
.footer-bottom{padding-top:22px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;color:#8296b8;font-size:12.5px}

/* ---------- 23. AI 助手 ---------- */
.ai-fab{
  position:fixed;right:22px;bottom:22px;z-index:95;display:flex;align-items:center;gap:10px;
  padding:13px 20px;border-radius:999px;background:var(--ai-grad);color:#fff;font-weight:800;font-size:14.5px;
  box-shadow:0 16px 40px rgba(79,140,255,.42);transition:.24s var(--ease);
}
.ai-fab:hover{transform:translateY(-3px) scale(1.02)}
.ai-fab .ico{width:20px;height:20px}
.ai-fab .ping{position:absolute;top:5px;right:8px;width:9px;height:9px;border-radius:999px;background:#4ade80;box-shadow:0 0 0 3px rgba(74,222,128,.35)}
.ai-panel{
  position:fixed;right:22px;bottom:22px;z-index:130;width:min(420px,calc(100vw - 28px));
  height:min(640px,calc(100vh - 44px));background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--r-xl);box-shadow:0 30px 80px rgba(8,23,44,.4);display:flex;flex-direction:column;overflow:hidden;
  transform:translateY(18px) scale(.98);opacity:0;pointer-events:none;transition:.26s var(--ease);
}
.ai-panel.open{transform:none;opacity:1;pointer-events:auto}
.ai-head{display:flex;align-items:center;gap:12px;padding:14px 16px;background:linear-gradient(115deg,#10233d,#1e3a5f 60%,#2b4b7d);color:#fff}
.ai-head .av{width:36px;height:36px;border-radius:12px;background:var(--ai-grad);display:flex;align-items:center;justify-content:center;font-weight:900;font-family:var(--font-serif);flex:none}
.ai-head .who{line-height:1.3;flex:1}
.ai-head .who b{font-size:15px}
.ai-head .who span{display:block;font-size:11.5px;color:rgba(200,222,248,.85)}
.ai-head .icon-btn{color:rgba(255,255,255,.85)}
.ai-head .icon-btn:hover{background:rgba(255,255,255,.16);color:#fff}
.ai-status{display:flex;align-items:center;gap:8px;padding:9px 16px;font-size:12px;font-weight:700;background:color-mix(in srgb,var(--ai-2) 10%,var(--bg-3));color:var(--ink-2);border-bottom:1px solid var(--line)}
.ai-status .tag{margin-left:auto;cursor:pointer}
.ai-chat{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:14px;background:var(--bg-3)}
.msg{display:flex;gap:10px;max-width:100%}
.msg .av{width:28px;height:28px;border-radius:9px;flex:none;display:flex;align-items:center;justify-content:center;font-size:11.5px;font-weight:900;background:var(--ai-grad);color:#fff}
.msg.user{flex-direction:row-reverse}
.msg.user .av{background:var(--navy-2)}
.bubble{background:var(--bg-2);border:1px solid var(--line);border-radius:15px;padding:12px 15px;font-size:14px;line-height:1.75;color:var(--ink-2);max-width:82%;box-shadow:var(--sh-1)}
.msg.user .bubble{background:var(--navy-2);border-color:var(--navy-2);color:#fff}
.bubble b{color:var(--ink)}
.msg.user .bubble b{color:#ffe08a}
.bubble ul{margin-top:9px;display:flex;flex-direction:column;gap:7px}
.bubble li{display:flex;gap:8px;font-size:13.5px}
.bubble li::before{content:"";width:6px;height:6px;border-radius:999px;background:var(--ai-2);margin-top:8px;flex:none}
.cite{margin-top:11px;display:flex;flex-wrap:wrap;gap:7px}
.cite a{font-size:12px;font-weight:700;color:#4c1d95;background:rgba(124,92,255,.12);padding:4px 10px;border-radius:999px}
.cite a:hover{background:rgba(124,92,255,.22)}
.bubble .meta{margin-top:9px;font-size:11.5px;color:var(--ink-4)}
.opinions{display:flex;gap:7px;margin-top:11px;flex-wrap:wrap}
.opinions button{font-size:11.5px;padding:4px 10px;border-radius:999px;border:1px solid var(--line);color:var(--ink-3);background:var(--bg-2)}
.opinions button:hover{border-color:#8b7cff;color:#4c1d95}
.ai-suggest{padding:12px 16px 0;background:var(--bg-3);display:flex;gap:8px;flex-wrap:wrap}
.ai-suggest button{font-size:12.5px;font-weight:700;padding:7px 13px;border-radius:999px;border:1px solid rgba(124,92,255,.3);color:#5b46d6;background:var(--bg-2)}
.ai-suggest button:hover{background:rgba(124,92,255,.12)}
.ai-input{padding:12px 14px 14px;background:var(--bg-3);display:flex;gap:10px;align-items:flex-end}
.ai-input textarea{
  flex:1;resize:none;min-height:46px;max-height:130px;border:1px solid var(--line);border-radius:14px;
  padding:12px 14px;font-size:14px;background:var(--bg-2);outline:none;line-height:1.55;
}
.ai-input textarea:focus{border-color:#8b7cff;box-shadow:0 0 0 3px rgba(124,92,255,.16)}
.ai-send{width:46px;height:46px;border-radius:14px;background:var(--ai-grad);color:#fff;display:flex;align-items:center;justify-content:center;flex:none;transition:.2s var(--ease)}
.ai-send:disabled{opacity:.45;cursor:not-allowed}
.ai-foot{padding:0 16px 12px;background:var(--bg-3);font-size:11.5px;color:var(--ink-4)}

/* 设置抽屉 */
.ai-settings{padding:16px;background:var(--bg-2);border-bottom:1px solid var(--line);display:none;max-height:340px;overflow-y:auto}
.ai-settings.open{display:block}
.ai-settings h4{font-size:14.5px;font-weight:800;color:var(--ink)}
.ai-settings p{font-size:12.5px;color:var(--ink-4);margin-top:7px;line-height:1.65}
.form-row{margin-top:12px}
.form-row label{font-size:12.5px;font-weight:700;color:var(--ink-2);display:block;margin-bottom:5px}
.form-row input,.form-row select{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:11px;background:var(--bg-3);font-size:13px;outline:none}
.form-row input:focus,.form-row select:focus{border-color:#8b7cff}
.settings-actions{display:flex;gap:9px;margin-top:14px;flex-wrap:wrap}

/* ---------- 24. 命令面板 ---------- */
.palette-mask{position:fixed;inset:0;z-index:140;background:rgba(8,20,38,.5);backdrop-filter:blur(4px);display:flex;align-items:flex-start;justify-content:center;padding:12vh 16px 16px;opacity:0;pointer-events:none;transition:.2s var(--ease)}
.palette-mask.open{opacity:1;pointer-events:auto}
.palette{width:min(660px,100%);background:var(--bg-2);border:1px solid var(--line);border-radius:20px;box-shadow:0 40px 90px rgba(8,23,44,.45);overflow:hidden}
.palette-search{display:flex;align-items:center;gap:12px;padding:16px 18px;border-bottom:1px solid var(--line-2)}
.palette-search input{flex:1;border:0;outline:none;background:none;font-size:16px}
.palette-search .ico{color:var(--ink-4)}
.palette-list{max-height:min(56vh,460px);overflow-y:auto;padding:8px}
.palette-item{display:flex;gap:13px;align-items:flex-start;padding:12px 14px;border-radius:13px;cursor:pointer}
.palette-item[aria-selected="true"],.palette-item:hover{background:var(--bg-4)}
.palette-item .ico{width:18px;height:18px;color:#4f8cff;margin-top:4px}
.palette-item b{font-size:14.5px;color:var(--ink)}
.palette-item p{font-size:13px;color:var(--ink-3);margin-top:3px}
.palette-item .kind{margin-left:auto;font-size:11.5px;font-weight:800;color:#5b46d6;background:rgba(124,92,255,.12);padding:3px 9px;border-radius:999px;white-space:nowrap}
.palette-item mark{background:rgba(201,162,39,.35);color:inherit;border-radius:4px;padding:0 2px}
.palette-foot{display:flex;gap:14px;padding:11px 18px;border-top:1px solid var(--line-2);font-size:11.5px;color:var(--ink-4);background:var(--bg-3)}
.palette-foot span{display:flex;align-items:center;gap:5px}

/* ---------- 25. 灯箱 / 提示 / 回顶 ---------- */
.lightbox{position:fixed;inset:0;z-index:150;background:rgba(4,12,24,.9);display:flex;align-items:center;justify-content:center;padding:24px;opacity:0;pointer-events:none;transition:.24s var(--ease);backdrop-filter:blur(6px)}
.lightbox.open{opacity:1;pointer-events:auto}
.lightbox img{max-height:84vh;max-width:92vw;border-radius:14px;box-shadow:0 30px 70px rgba(0,0,0,.6)}
.lb-close{position:absolute;top:18px;right:22px;color:rgba(255,255,255,.85);width:44px;height:44px;border-radius:12px}
.lb-close:hover{background:rgba(255,255,255,.14);color:#fff}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:46px;border-radius:999px;background:rgba(255,255,255,.12);color:#fff;display:flex;align-items:center;justify-content:center}
.lb-nav:hover{background:rgba(255,255,255,.26)}
.lb-nav.prev{left:16px}.lb-nav.next{right:16px}
.lb-cap{position:absolute;left:0;right:0;bottom:22px;text-align:center;color:rgba(255,255,255,.88);font-size:13.5px;padding:0 20px}
.lb-cap .count{display:block;margin-top:6px;color:rgba(255,255,255,.5);font-size:12px}
.toast{
  position:fixed;left:50%;bottom:96px;transform:translate(-50%,10px);z-index:160;
  background:var(--navy-2);color:#fff;font-size:13.5px;font-weight:700;padding:12px 20px;border-radius:13px;
  box-shadow:var(--sh-3);opacity:0;pointer-events:none;transition:.26s var(--ease);max-width:min(90vw,420px);text-align:center;
}
.toast.show{opacity:1;transform:translate(-50%,0)}
.to-top{position:fixed;right:22px;bottom:92px;z-index:90;width:44px;height:44px;border-radius:14px;background:var(--bg-2);border:1px solid var(--line);color:var(--ink-2);box-shadow:var(--sh-2);opacity:0;pointer-events:none;transition:.24s var(--ease)}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{color:var(--navy-2);border-color:#93c5fd}

/* ---------- 26. 动效 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
.reveal.show{opacity:1;transform:none}
.d1{transition-delay:.1s}.d2{transition-delay:.2s}.d3{transition-delay:.3s}

/* ---------- 27. 响应式 ---------- */
@media (max-width:1500px){
  /* 大屏笔记本：压缩导航文字宽度，避免右侧按钮被挤出容器 */
  .nav-link{padding:9px 8px;font-size:13.5px}
  .prof-btn{padding:9px 12px}
  .kbd-hint kbd{display:none}
  .kbd-hint{padding:8px 10px}
}
@media (max-width:1150px){
  .nav-links{display:none}
  .burger{display:flex}
  .hero-grid{grid-template-columns:1fr}
  .g-4{grid-template-columns:repeat(2,1fr)}
  .roadmap{grid-template-columns:repeat(2,1fr)}
  .split-2-1{grid-template-columns:1fr}
  .sim-body{grid-template-columns:1fr}
  .match-steps{grid-template-columns:1fr}
  .brief-out{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .prof-btn span{display:none}
  .prof-btn{padding:9px 13px}
  .g-3,.mini-grid,.tech-grid,.ip-stats{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:1fr}
  .news-cards{grid-template-columns:1fr}
  .tl-card,.tl-item:nth-child(even) .tl-card{grid-template-columns:1fr}
  .tl-item:nth-child(even) .tl-card .tl-media{order:0}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .masonry{columns:2}
}
@media (max-width:680px){
  .section{padding:64px 0}
  .container{padding-inline:16px}
  .g-2,.g-3,.g-4,.mini-grid,.tech-grid,.ip-stats,.roadmap{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .masonry{columns:1}
  .ai-fab span{display:none}
  .ai-fab{padding:14px;border-radius:999px}
  .footer-grid{grid-template-columns:1fr}
  .card,.q-card,.panel,.briefing-app,.match-app,.ai-card{padding:20px}
  .hero{padding:calc(var(--nav-h) + 46px) 0 56px}
  .ai-panel{right:0;bottom:0;width:100vw;height:100vh;max-height:100vh;border-radius:0}
  .tl-item{padding-left:44px}
  .timeline::before{left:9px}
  .tl-dot{left:1px}
  .sim-canvas{height:220px}
  .brand-text span{display:none}
  .brand{font-size:15px}
  .nav-actions{gap:6px}
}
@media (max-width:430px){
  .nav-share{display:none}
  .brand-mark{width:34px;height:34px;font-size:15px}
  .brand-text b{font-size:15px}
  .nav-actions{gap:5px}
  .icon-btn{width:34px;height:34px;border-radius:10px}
  .kbd-hint{padding:7px 8px}
  .prof-btn{display:none}
}

/* ---------- 28. 减少动效 / 打印 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
}
@media print{
  .nav,.ai-fab,.ai-panel,.to-top,.palette-mask,.lightbox,.toast,.hero .grid-lines,.orb{display:none !important}
  .hero,.bg-navy,.ai-lab{background:#fff !important;color:#000 !important}
  .section{padding:16px 0;page-break-inside:avoid}
  .tab-pane{display:block !important}
}

/* ============================================================
   29. 精修版（V2）：可读性 · 未来感 · 时空图谱
   ============================================================ */

/* ---------- 29.1 深色底上的按钮与文字对比度 ---------- */
/* 深色板块内的标题 / 副标题 / 眉标统一改为浅色（此前会继承深色正文色，在深底上几乎不可见） */
.now .section-head h2,.ai-lab .section-head h2,.hero h2,.bg-navy h2{color:#fff}
.now .section-head .lead,.ai-lab .section-head .lead,.bg-navy .section-head .lead{color:rgba(222,236,252,.88)}
.now .eyebrow,.ai-lab .eyebrow{color:#a5f3fc;background:rgba(255,255,255,.12)}
.now .eyebrow.ai,.ai-lab .eyebrow.ai{color:#c4b5fd}
.now .rule,.ai-lab .rule{opacity:.95}
.btn-outline-light{
  background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.52);
  font-weight:800;letter-spacing:.01em;
}
.btn-outline-light:hover{background:rgba(255,255,255,.22);border-color:#fff;color:#fff}
.hero .btn-ghost,.ai-lab .btn-ghost,.bg-navy .btn-ghost,.cta-banner .btn-ghost{
  color:#fff;border-color:rgba(255,255,255,.52);background:rgba(255,255,255,.08);
}
.hero .btn-ghost:hover,.ai-lab .btn-ghost:hover,.bg-navy .btn-ghost:hover,.cta-banner .btn-ghost:hover{
  background:rgba(255,255,255,.2);border-color:#fff;color:#fff;
}
.hero .chip kbd,.cockpit kbd,.ai-lab kbd,.now kbd{
  background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.3);color:#eaf2ff;
}
.chip kbd{font-size:10.5px;padding:1px 5px;margin-left:2px}

/* 深色主题下的强调色（避免 #2563eb/#5b46d6 在深底上发暗） */
[data-theme="dark"] .eyebrow{color:#8fb6ff;background:rgba(79,140,255,.16)}
[data-theme="dark"] .eyebrow.ai{color:#c4b5fd;background:rgba(124,92,255,.2)}
[data-theme="dark"] .tag{background:rgba(79,140,255,.18);color:#a8c6ff}
[data-theme="dark"] .tag.gold{background:rgba(201,162,39,.22);color:#f0d477}
[data-theme="dark"] .tag.ai{color:#c4b5fd}
[data-theme="dark"] .tag.green{color:#6ee7b7}
[data-theme="dark"] .tag.red{color:#fca5a5}
[data-theme="dark"] .q-ask,[data-theme="dark"] .q-metric span{color:#a8c6ff}
[data-theme="dark"] .q-metric span{background:rgba(79,140,255,.16);color:#a8c6ff}
[data-theme="dark"] .check-list .ico,[data-theme="dark"] .side-list .ico,[data-theme="dark"] .card p b{color:#8fb6ff}
[data-theme="dark"] .brief-point .idx{background:rgba(79,140,255,.2);color:#a8c6ff}
[data-theme="dark"] .fp-filter.active,[data-theme="dark"] .news-card .date{color:#fff}
[data-theme="dark"] .section-title-line,[data-theme="dark"] .rule{opacity:.9}
[data-theme="dark"] .score-top span:last-child{color:#a8c6ff}
[data-theme="dark"] .tl-date{background:rgba(79,140,255,.2);color:#a8c6ff}
[data-theme="dark"] .quote-card h4,[data-theme="dark"] .award-hero p{color:#e5eefc}

/* ---------- 29.2 Hero 精修：更简洁的层级 ---------- */
.hero{padding:calc(var(--nav-h) + 60px) 0 64px}
.hero-sub{
  margin-top:16px;font-size:15.5px;color:rgba(214,231,252,.9);letter-spacing:.01em;
}
.hero-sub b{color:#fff;font-weight:800}
.hero h1{font-size:clamp(29px,4.1vw,46px);max-width:620px;text-wrap:pretty}
.hero h1 .hl{display:block;max-width:100%}
.typed-line{min-height:32px}
.hero-cta{margin-top:26px}
.hero-ai-chips{margin-top:20px;gap:8px}
.hero-ai-chips .chip{font-size:12.5px;padding:6px 12px}

/* AI 驾驶舱（替代原聊天卡，信息更少、状态更清晰） */
.cockpit{
  background:linear-gradient(160deg,rgba(11,26,48,.86),rgba(16,37,66,.78));
  border:1px solid rgba(140,180,255,.28);border-radius:var(--r-lg);
  box-shadow:0 26px 60px rgba(4,14,30,.42);backdrop-filter:blur(14px);padding:18px 20px 16px;
  position:relative;overflow:hidden;
}
.cockpit::after{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--ai-1),transparent);opacity:.7;
}
.ck-head{display:flex;align-items:center;gap:10px;padding-bottom:12px;border-bottom:1px solid rgba(140,180,255,.18)}
.ck-dots{display:flex;gap:5px}
.ck-dots i{width:8px;height:8px;border-radius:999px;background:rgba(255,255,255,.28)}
.ck-head b{font-size:14px;letter-spacing:.03em;color:#fff}
.ck-badge{
  margin-left:auto;display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:700;
  color:#bbf7d0;background:rgba(74,222,128,.14);border:1px solid rgba(74,222,128,.36);
  padding:4px 10px;border-radius:999px;white-space:nowrap;
}
.ck-rows{display:flex;flex-direction:column;margin-top:6px}
.ck-row{
  display:grid;grid-template-columns:34px 88px 1fr;align-items:center;gap:10px;
  padding:11px 0;border-bottom:1px dashed rgba(140,180,255,.16);
}
.ck-row:last-child{border-bottom:0}
.ck-ico{
  width:34px;height:34px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:var(--ai-grad);color:#fff;
}
.ck-ico .ico{width:18px;height:18px}
.ck-row b{font-size:14px;color:#fff;font-weight:800}
.ck-val{font-size:12.5px;color:rgba(206,224,246,.86)}
.ck-val em{font-style:normal;font-weight:800;color:var(--ai-1);font-family:var(--font-serif);font-size:14px}
.ck-sample{
  margin-top:12px;background:rgba(255,255,255,.06);border:1px solid rgba(150,190,255,.2);
  border-radius:14px;padding:12px 14px;display:flex;flex-direction:column;gap:7px;
}
.ck-q{font-size:12.5px;color:#ffe9a8;font-weight:700}
.ck-a{font-size:13px;color:rgba(222,236,252,.92);line-height:1.7}
.ck-a b{color:#fff}
.ck-a a{color:var(--ai-1);font-weight:700;margin-left:4px;white-space:nowrap}
.ck-foot{
  margin-top:12px;font-size:11.5px;color:rgba(196,216,240,.7);
  display:flex;gap:7px;align-items:flex-start;line-height:1.6;
}
.ck-foot .ico{width:14px;height:14px;margin-top:3px;flex:none}

/* ---------- 29.3 「未来已来」板块 ---------- */
.now{
  background:radial-gradient(900px 520px at 10% -10%,rgba(34,211,238,.16),transparent 62%),
             radial-gradient(760px 480px at 92% 4%,rgba(124,92,255,.22),transparent 58%),
             linear-gradient(160deg,#071628 0%,#0d2138 60%,#0a1c31 100%);
  color:#fff;overflow:hidden;
}
.now-glow{position:absolute;inset:auto 0 -220px;height:420px;background:radial-gradient(closest-side,rgba(34,211,238,.22),transparent);pointer-events:none}
.now-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.now-card{
  position:relative;background:rgba(255,255,255,.055);border:1px solid rgba(150,190,255,.2);
  border-radius:var(--r-lg);padding:26px 22px 22px;transition:.28s var(--ease);overflow:hidden;
}
.now-card:hover{background:rgba(255,255,255,.1);transform:translateY(-6px);border-color:rgba(150,190,255,.44)}
.now-idx{
  font-family:var(--font-serif);font-size:13px;font-weight:900;letter-spacing:.14em;
  color:var(--ai-1);display:block;
}
.now-card h3{margin-top:14px;font-family:var(--font-serif);font-size:19px;font-weight:900;color:#fff}
.now-card p{margin-top:10px;font-size:14px;color:rgba(212,228,248,.86);line-height:1.75}
.now-metric{margin-top:18px;padding-top:14px;border-top:1px dashed rgba(150,190,255,.24)}
.now-metric b{display:block;font-family:var(--font-serif);font-size:27px;font-weight:900;color:#fff}
.now-metric span{display:block;margin-top:4px;font-size:12px;color:rgba(190,214,240,.8)}
.now-link{
  margin-top:16px;display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:800;color:var(--ai-1);
}
.now-link .ico{width:14px;height:14px;transition:transform .2s var(--ease)}
.now-link:hover{text-decoration:underline}
.now-link:hover .ico{transform:translateX(3px)}
.now-strip{
  margin-top:34px;display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding:14px 18px;border-radius:999px;background:rgba(255,255,255,.06);
  border:1px solid rgba(150,190,255,.2);justify-content:center;
}
.now-strip-label{font-size:11.5px;font-weight:800;letter-spacing:.13em;color:var(--ai-1)}
.now-strip a{font-size:13px;font-weight:700;color:#e6f1ff;padding:3px 6px;border-radius:8px}
.now-strip a:hover{background:rgba(255,255,255,.14)}
.now-strip i{color:rgba(150,190,255,.5);font-style:normal}

/* ---------- 29.4 时空图谱 ---------- */
.fp-summary{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:22px 24px;box-shadow:var(--sh-2);margin-bottom:22px;
}
.fp-stats{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
.fp-stats div{text-align:center;padding:10px 6px;border-radius:var(--r);background:var(--bg-3);border:1px solid var(--line-2)}
.fp-stats b{display:block;font-family:var(--font-serif);font-size:clamp(18px,2.1vw,24px);font-weight:900;color:var(--ink)}
.fp-stats span{display:block;margin-top:4px;font-size:12px;color:var(--ink-3)}
.fp-insight{
  margin-top:16px;display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--ink-2);
  background:linear-gradient(100deg,rgba(124,92,255,.08),rgba(34,211,238,.07));
  border:1px solid rgba(124,92,255,.2);border-radius:var(--r);padding:14px 16px;
}
.fp-insight .ico{color:#7c5cff;margin-top:4px;flex:none}
.fp-insight b{color:var(--ink)}

.fp-controls{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);padding:18px 20px;box-shadow:var(--sh-2)}
.fp-control-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:7px 0}
.fp-label{width:52px;flex:none;font-size:12.5px;font-weight:800;color:var(--ink-3);letter-spacing:.04em}
.fp-chips{display:flex;flex-wrap:wrap;gap:8px}
.fp-filter{
  padding:7px 14px;border-radius:999px;border:1px solid var(--line);background:var(--bg-3);
  font-size:13px;font-weight:700;color:var(--ink-2);transition:.18s var(--ease);
}
.fp-filter:hover{border-color:#93c5fd;color:var(--navy-2)}
.fp-filter.active{background:var(--ai-grad);border-color:transparent;color:#fff;box-shadow:0 8px 20px rgba(79,140,255,.28)}
.fp-search{flex:1;min-width:220px}
.fp-current{margin-top:8px;font-size:13px;color:var(--ink-3);font-weight:600}

.fp-main{
  margin-top:22px;display:grid;grid-template-columns:1.08fr .92fr;gap:20px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-xl);padding:20px;
  box-shadow:var(--sh-2);
}
.fp-map-panel{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  background:radial-gradient(600px 320px at 30% 10%,rgba(34,211,238,.1),transparent 60%),#08182c;
  border:1px solid rgba(140,180,255,.2);
}
.fp-map-panel canvas{display:block;width:100%;height:300px}
.fp-detail{grid-column:1 / -1;background:var(--bg-3);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px}
.fp-detail-head{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.fp-chip{
  font-size:12px;font-weight:800;padding:4px 12px;border-radius:999px;color:#08182c;
  background:var(--c,#93c5fd);
}
.fp-chip.plain{background:var(--bg-4);color:var(--ink-2)}
.fp-detail h4{margin-top:12px;font-size:19px;font-weight:900;color:var(--ink)}
.fp-detail p{margin-top:10px;font-size:14.5px;color:var(--ink-2);line-height:1.8}
.fp-org{display:flex;gap:8px;align-items:center;font-size:13px;color:var(--ink-3)!important}
.fp-org .ico{width:15px;height:15px;color:#4f8cff}
.fp-detail-photos{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-top:16px}
.fp-detail-photos figure{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r);padding:8px}
.fp-detail-photos img{width:100%;border-radius:10px;aspect-ratio:4/3;object-fit:cover}
.fp-detail-photos figcaption{margin-top:7px;font-size:11.5px;color:var(--ink-3);line-height:1.5}
.fp-detail-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.fp-note{
  grid-column:1 / -1;display:flex;gap:9px;align-items:flex-start;
  font-size:12.5px;color:var(--ink-3);line-height:1.7;
}
.fp-note .ico{width:15px;height:15px;margin-top:3px;flex:none;color:var(--ink-4)}
.fp-note code{background:var(--bg-4);padding:1px 6px;border-radius:6px;font-size:12px}

.fp-timeline{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.fp-item{
  display:grid;grid-template-columns:82px 1fr 168px;gap:16px;align-items:center;text-align:left;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:14px 18px;transition:.2s var(--ease);box-shadow:var(--sh-1);
}
.fp-item:hover{border-color:#93c5fd;transform:translateX(3px);box-shadow:var(--sh-2)}
.fp-item.active{border-color:#7c5cff;box-shadow:0 0 0 2px rgba(124,92,255,.18)}
.fp-date{font-family:var(--font-serif);font-size:15px;font-weight:900;color:var(--navy-2)}
.fp-title{display:block;font-size:15.5px;font-weight:800;color:var(--ink)}
.fp-meta{display:flex;flex-wrap:wrap;align-items:center;gap:7px;margin-top:6px;font-size:12.5px;color:var(--ink-3)}
.fp-meta em{font-style:normal;color:var(--ink-4)}
.fp-dot{width:9px;height:9px;border-radius:999px;display:inline-block}
.fp-thumbs{display:flex;gap:6px;justify-content:flex-end}
.fp-thumbs img{width:48px;height:48px;object-fit:cover;border-radius:10px;border:1px solid var(--line)}
.fp-empty{background:var(--bg-2);border:1px dashed var(--line);border-radius:var(--r);padding:22px;text-align:center;color:var(--ink-3);font-size:14px}

@media (max-width:1150px){
  .now-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fp-main{grid-template-columns:1fr}
  .fp-stats{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:760px){
  .now-grid{grid-template-columns:1fr}
  .fp-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fp-item{grid-template-columns:1fr;gap:10px}
  .fp-thumbs{justify-content:flex-start}
  .fp-map-panel canvas{height:240px}
  .ck-row{grid-template-columns:32px 76px 1fr}
}

/* ============================================================
   30. 叙事节奏：极简首屏 → 时间机器
   ============================================================ */

/* ---------- 30.1 极简首屏（留白优先，内容后置） ---------- */
.hero{
  min-height:88vh;display:flex;flex-direction:column;justify-content:center;
  padding:calc(var(--nav-h) + 36px) 0 40px;
}
.hero-simple{max-width:860px}
.hero-kicker{font-size:12.5px;font-weight:800;letter-spacing:.2em;text-transform:uppercase;color:rgba(186,212,244,.8)}
.hero h1{margin-top:24px;max-width:none;font-size:clamp(34px,5vw,60px);line-height:1.16;letter-spacing:.02em}
.hero h1 .hl{color:#fff}
.hero-simple .typed-line{margin-top:24px;font-size:clamp(16px,1.8vw,20px);color:rgba(200,222,248,.9)}
.hero-simple .hero-cta{margin-top:30px}
.hero-live{
  margin-top:28px;display:flex;align-items:center;gap:9px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(192,214,240,.78);
}
.hero-live em{font-style:normal;font-weight:800;color:var(--ai-1);font-family:var(--font-serif);font-size:14px}
.hero .scroll-hint{margin-top:26px}

/* ---------- 30.2 一行动态条（替代原来的三张卡） ---------- */
.news-strip{padding:13px 0}
.news-ticker{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.news-live{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;color:var(--navy-2);white-space:nowrap}
.news-roll{display:flex;gap:24px;flex-wrap:wrap;flex:1;min-width:260px}
.news-roll a{font-size:13px;color:var(--ink-2);white-space:nowrap;transition:color .18s}
.news-roll a b{color:var(--ink-3);font-weight:800;margin-right:6px}
.news-roll a:hover{color:#1d4ed8;text-decoration:underline}
[data-theme="dark"] .news-live{color:#a8c6ff}
[data-theme="dark"] .news-roll a:hover{color:#8fb6ff}

/* ---------- 30.3 关键数据条（从首屏下移到成果板块） ---------- */
.metric-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:30px}
.metric-strip > div{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px 16px;text-align:center;box-shadow:var(--sh-1);
}
.metric-strip b{display:block;font-family:var(--font-serif);font-size:clamp(26px,3vw,36px);font-weight:900;color:var(--ink)}
.metric-strip span{display:block;margin-top:4px;font-size:12.5px;color:var(--ink-3)}

/* 导读板块收窄为单列（内容量下降） */
.brief-out{grid-template-columns:1fr}
.brief-main{padding:22px}
.brief-points{gap:10px}

/* ---------- 30.4 学术足迹 · 时间机器 ---------- */
.fp{
  position:relative;overflow:hidden;color:#fff;
  background:radial-gradient(900px 520px at 12% -12%,rgba(34,211,238,.14),transparent 62%),
             radial-gradient(760px 460px at 90% 6%,rgba(124,92,255,.2),transparent 58%),
             linear-gradient(160deg,#071628 0%,#0d2138 62%,#0a1c31 100%);
}
.fp .section-head h2{color:#fff}
.fp .section-head .lead{color:rgba(222,236,252,.88)}
.fp .eyebrow{color:#a5f3fc;background:rgba(255,255,255,.12)}
.fp-glow{position:absolute;inset:auto 0 -240px;height:440px;background:radial-gradient(closest-side,rgba(34,211,238,.2),transparent);pointer-events:none}

.tm{
  position:relative;background:rgba(255,255,255,.05);border:1px solid rgba(150,190,255,.22);
  border-radius:var(--r-xl);padding:24px;backdrop-filter:blur(10px);box-shadow:0 24px 60px rgba(4,14,30,.4);
}
.tm-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.tm-title{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
.tm-title b{font-family:var(--font-serif);font-size:clamp(22px,2.6vw,30px);font-weight:900;color:#fff}
.tm-title span{font-size:13px;color:rgba(200,220,245,.75)}
.tm-actions{display:flex;gap:10px;flex-wrap:wrap}

.tm-rail{position:relative;margin:24px 0 16px}
.tm-line{height:2px;border-radius:2px;background:rgba(150,190,255,.18);overflow:hidden}
.tm-line i{display:block;height:100%;border-radius:2px;background:var(--ai-grad);transition:width .5s var(--ease)}
.tm-ticks{display:flex;gap:6px;margin-top:10px;overflow-x:auto;padding-bottom:4px}
.tm-tick{
  flex:1 1 0;min-width:74px;display:flex;flex-direction:column;align-items:center;gap:5px;
  padding:8px 6px;border-radius:14px;color:rgba(200,220,245,.7);transition:.2s var(--ease);
}
.tm-tick b{font-size:13.5px;font-weight:800;color:inherit}
.tm-tick .tm-dots{display:flex;gap:3px;height:8px;align-items:center}
.tm-tick .tm-dots i{width:6px;height:6px;border-radius:999px;display:block}
.tm-tick .tm-places{font-size:10.5px;color:rgba(176,202,234,.6);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
.tm-tick:hover{background:rgba(255,255,255,.07);color:#fff}
.tm-tick.active{background:rgba(124,92,255,.24);color:#fff;box-shadow:inset 0 0 0 1px rgba(165,148,255,.55)}
.tm-tick.active .tm-dots i{box-shadow:0 0 9px currentColor}

.tm-body{display:grid;grid-template-columns:1.55fr 1fr;gap:18px;margin-top:16px}
.tm-maps{display:grid;grid-template-columns:1.12fr .88fr;gap:12px}
.fp-map-panel{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  background:radial-gradient(520px 300px at 30% 8%,rgba(34,211,238,.1),transparent 60%),#08182c;
  border:1px solid rgba(140,180,255,.2);transition:opacity .45s var(--ease),border-color .45s var(--ease),box-shadow .45s var(--ease);
}
.fp-map-panel canvas{display:block;width:100%;height:258px}
.fp-map-panel.dim{opacity:.4}
.fp-map-panel.active{border-color:rgba(165,148,255,.6);box-shadow:0 0 0 1px rgba(165,148,255,.35)}
.tm-region{position:absolute;top:9px;left:13px;font-size:10.5px;font-weight:800;letter-spacing:.1em;color:rgba(198,220,246,.72)}
.tm-side{display:flex;flex-direction:column;gap:12px}
.tm-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.tm-stats > div{background:rgba(255,255,255,.06);border:1px solid rgba(150,190,255,.18);border-radius:14px;padding:12px;text-align:center}
.tm-stats b{display:block;font-family:var(--font-serif);font-size:20px;font-weight:900;color:#fff}
.tm-stats span{display:block;margin-top:2px;font-size:11.5px;color:rgba(200,220,245,.72)}
.tm-insight{margin:0;font-size:13px;line-height:1.8;color:rgba(214,232,252,.88);background:rgba(255,255,255,.05);border:1px solid rgba(150,190,255,.18);border-radius:14px;padding:13px 15px}
.tm-insight b{color:var(--ai-1)}

.tm-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:14px;margin-top:18px}
.tm-card{
  text-align:left;display:flex;flex-direction:column;gap:8px;color:inherit;
  background:rgba(255,255,255,.06);border:1px solid rgba(150,190,255,.2);
  border-radius:var(--r-lg);padding:16px;transition:.22s var(--ease);
}
.tm-card:hover{background:rgba(255,255,255,.11);transform:translateY(-3px)}
.tm-card.active{border-color:rgba(165,148,255,.7);box-shadow:0 0 0 1px rgba(165,148,255,.4)}
.tm-card-top{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.tm-chip{font-size:11px;font-weight:800;padding:3px 10px;border-radius:999px;background:var(--c,#93c5fd);color:#08182c}
.tm-when{font-size:12px;font-weight:800;color:#fff}
.tm-where{font-size:11.5px;color:rgba(200,220,245,.75)}
.tm-card-title{font-size:15.5px;font-weight:800;color:#fff;line-height:1.45}
.tm-card-body{font-size:13px;line-height:1.72;color:rgba(206,224,246,.84)}
.tm-card-org{display:flex;align-items:center;gap:6px;font-size:11.5px;color:rgba(188,212,238,.7)}
.tm-card-org .ico{width:13px;height:13px;color:var(--ai-1)}
.tm-empty{margin:0;font-size:13.5px;color:rgba(200,220,245,.7);background:rgba(255,255,255,.05);border:1px dashed rgba(150,190,255,.28);border-radius:var(--r);padding:22px;text-align:center}

.tm-photos{display:grid;grid-template-columns:repeat(auto-fill,minmax(138px,1fr));gap:12px;margin-top:16px}
.tm-photo{margin:0;padding:7px;background:rgba(255,255,255,.06);border:1px solid rgba(150,190,255,.18);border-radius:14px;cursor:zoom-in;transition:.22s var(--ease)}
.tm-photo:hover{background:rgba(255,255,255,.11)}
.tm-photo img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:10px;transition:transform .4s var(--ease)}
.tm-photo:hover img{transform:scale(1.05)}
.tm-photo figcaption{margin-top:6px;font-size:11px;line-height:1.5;color:rgba(198,220,246,.72)}
.fp .fp-note{color:rgba(188,212,238,.7)}
.fp .fp-note .ico{color:rgba(188,212,238,.85)}
.fp .fp-note code{background:rgba(255,255,255,.1);color:#dbe9ff}

@media (max-width:1150px){
  .metric-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tm-body{grid-template-columns:1fr}
  .tm-maps{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .hero{min-height:auto}
  .metric-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tm-maps{grid-template-columns:1fr}
  .fp-map-panel canvas{height:220px}
  .tm{padding:18px}
  .tm-tick{min-width:64px}
  /* 移动端：动态条改为竖排，避免长条目撑破页面 */
  .news-ticker{gap:10px}
  .news-roll{flex-direction:column;gap:8px;min-width:0}
  .news-roll a{white-space:normal;line-height:1.5}
  .hero-live{font-size:12px}
}

/* ============================================================
   31. 首屏科幻动效（路网 / 数据流 / 雷达 / AI 推演 HUD）
   ============================================================ */
.hero{position:relative;isolation:isolate}
.hero > .container{position:relative;z-index:2}
.hero .grid-lines{z-index:0}
.hero .orb{z-index:0}
.hero-fx{
  position:absolute;inset:0;width:100%;height:100%;z-index:1;
  pointer-events:none;opacity:.92;
  will-change:transform,opacity;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.35) 0%,#000 26%,#000 74%,rgba(0,0,0,.25) 100%);
}

/* 指针光晕（跟随鼠标的柔光） */
.hero::after{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:radial-gradient(340px 340px at var(--mx,30%) var(--my,40%),rgba(79,140,255,.18),transparent 72%);
  opacity:0;transition:opacity .5s var(--ease);
}
.hero:hover::after{opacity:1}
/* 极细扫描线质感 */
.hero::before{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.12;
  background:repeating-linear-gradient(180deg,rgba(255,255,255,.06) 0 1px,transparent 1px 4px);
}

/* 首屏元素入场编排 */
@keyframes heroIn{from{opacity:0;transform:translateY(20px);filter:blur(7px)}to{opacity:1;transform:none;filter:blur(0)}}
@keyframes hudIn{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}
.hero-kicker{animation:heroIn .7s var(--ease) both .05s}
.hero-simple h1 span{display:block;animation:heroIn .85s var(--ease) both}
.hero-simple h1 span:nth-of-type(1){animation-delay:.16s}
.hero-simple h1 span:nth-of-type(2){animation-delay:.3s}
.hero-simple h1 span:nth-of-type(3){animation-delay:.44s}
.hero-simple .typed-line{animation:heroIn .7s var(--ease) both .62s}
.hero-simple .hero-cta .btn:nth-child(1){animation:heroIn .7s var(--ease) both .74s}
.hero-simple .hero-cta .btn:nth-child(2){animation:heroIn .7s var(--ease) both .82s}
.hero-ai-chips .chip{animation:hudIn .6s var(--ease) both}
.hero-ai-chips .chip:nth-child(1){animation-delay:.9s}
.hero-ai-chips .chip:nth-child(2){animation-delay:.97s}
.hero-ai-chips .chip:nth-child(3){animation-delay:1.04s}
.hero-ai-chips .chip:nth-child(4){animation-delay:1.11s}
.hero-live{animation:heroIn .7s var(--ease) both 1.2s}
.hero-hud{animation:hudIn .8s var(--ease) both 1.32s}

/* 高亮行的光带扫过 */
@supports ((-webkit-background-clip:text) or (background-clip:text)){
  .hero h1 .hl{
    background:linear-gradient(100deg,#ffffff 0%,#ffffff 34%,#a8f0ff 47%,#c9b8ff 53%,#ffffff 66%,#ffffff 100%);
    background-size:260% 100%;
    -webkit-background-clip:text;background-clip:text;
    color:transparent;
    animation:heroIn .85s var(--ease) both, heroSweep 7.5s linear infinite;
  }
  .hero h1 span.hl:nth-of-type(3){animation-delay:.44s,1.2s}
}
@keyframes heroSweep{0%{background-position:130% 0}100%{background-position:-30% 0}}

/* ---------- AI 推演 HUD ---------- */
.hero-hud{
  margin-top:22px;display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  padding:12px 16px;border-radius:16px;max-width:660px;
  background:linear-gradient(120deg,rgba(9,22,42,.72),rgba(14,34,58,.58));
  border:1px solid rgba(140,180,255,.26);
  box-shadow:0 14px 36px rgba(4,14,30,.34);
  backdrop-filter:blur(10px);
}
.hud-pulse{width:170px;height:36px;flex:none}
.hud-body{display:flex;flex-direction:column;gap:2px;min-width:220px;transition:opacity .26s var(--ease),transform .26s var(--ease)}
.hero-hud.switching .hud-body{opacity:0;transform:translateY(5px)}
.hud-text{font-size:12.5px;color:rgba(206,226,250,.88)}
.hud-val{font-size:15px;font-weight:900;color:#fff;font-family:var(--font-serif);letter-spacing:.01em}
.hud-tag{
  margin-left:auto;font-size:10.5px;font-weight:800;letter-spacing:.08em;
  color:#a5f3fc;background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.3);
  padding:3px 9px;border-radius:999px;white-space:nowrap;
}
.hero-hud.static .hud-pulse{opacity:.7}

@media (max-width:760px){
  .hero-fx{opacity:.75}
  .hero-hud{max-width:100%;gap:10px;padding:11px 13px}
  .hud-pulse{width:120px;height:30px}
  .hud-body{min-width:0}
  .hud-tag{margin-left:0}
  .hero::before{opacity:.1}
}

/* 低动效偏好：全部静态化 */
@media (prefers-reduced-motion:reduce){
  .hero::after{display:none}
  .hero-kicker,.hero-simple h1 span,.hero-simple .typed-line,.hero-simple .hero-cta .btn,
  .hero-ai-chips .chip,.hero-live,.hero-hud{animation:none !important}
  .hero-fx{transform:none !important}
}

/* ============================================================
   32. 首屏「智能底盘实时刻画」面板
   ============================================================ */
.hero-main{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);gap:34px;align-items:center}
.hero-simple{max-width:none}

.chassis-panel{
  position:relative;border-radius:24px;padding:16px 18px 14px;
  background:linear-gradient(160deg,rgba(9,22,42,.8),rgba(14,34,58,.62));
  border:1px solid rgba(140,180,255,.26);
  box-shadow:0 26px 60px rgba(4,14,30,.46);
  backdrop-filter:blur(12px);
  animation:hudIn .9s var(--ease) both 1.15s;
  overflow:hidden;
}
.chassis-panel::before{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:linear-gradient(120deg,rgba(34,211,238,.16),transparent 44%);
}
.chp-head{display:flex;align-items:center;gap:9px;padding-bottom:9px;border-bottom:1px solid rgba(140,180,255,.18)}
.chp-head b{font-size:13.5px;color:#fff;letter-spacing:.02em}
.chp-dot{width:8px;height:8px;border-radius:999px;background:#4ade80;box-shadow:0 0 0 4px rgba(74,222,128,.16);animation:pulse 2.2s infinite}
.chp-tag{
  margin-left:auto;font-size:10.5px;font-weight:800;color:#a5f3fc;
  background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.3);
  padding:3px 9px;border-radius:999px;white-space:nowrap;
}
.chp-stage{
  position:relative;margin-top:10px;border-radius:16px;overflow:hidden;
  background:
    radial-gradient(560px 300px at 50% 118%,rgba(34,211,238,.16),transparent 62%),
    linear-gradient(180deg,rgba(6,17,33,.75),rgba(9,24,44,.55));
  border:1px solid rgba(140,180,255,.16);
}
#chassisCanvas{display:block;width:100%;aspect-ratio:16/11.2;height:auto}
.chp-legend{
  position:absolute;left:12px;bottom:10px;display:flex;gap:14px;flex-wrap:wrap;
  font-size:11px;color:rgba(206,226,250,.86);
}
.chp-key{display:inline-flex;align-items:center;gap:6px;background:rgba(8,20,38,.72);border:1px solid rgba(140,180,255,.22);padding:3px 9px;border-radius:999px}
.chp-key b{color:#fff;font-family:var(--font-serif);font-size:12.5px}
.chp-key .k-solid{width:14px;height:2px;background:#8fe9ff;border-radius:2px}
.chp-key .k-dash{width:14px;height:0;border-top:2px dashed rgba(200,210,230,.9)}
.chp-rail{margin-top:10px;display:grid;grid-template-columns:auto 1fr;gap:10px;align-items:center}
.chp-rail-label{font-size:11px;font-weight:700;color:rgba(200,220,245,.85);white-space:nowrap}
.chp-rail-svg{width:100%;height:44px;display:block}
.chp-rail-ghost{fill:none;stroke:rgba(200,210,230,.75);stroke-width:1;stroke-dasharray:4 4;vector-effect:non-scaling-stroke}
.chp-rail-ai{fill:none;stroke:#22d3ee;stroke-width:1.6;vector-effect:non-scaling-stroke}
.chp-side{
  position:absolute;right:12px;bottom:10px;display:flex;flex-direction:column;gap:4px;text-align:right;
  font-size:11px;color:rgba(206,226,250,.86);
}
.chp-side b{color:#fff;font-family:var(--font-serif);font-size:12.5px}
.chp-controls{display:flex;align-items:center;flex-wrap:wrap;gap:14px;margin-top:10px;font-size:11.5px;color:rgba(196,218,244,.85)}
.chp-ctl{display:inline-flex;align-items:center;gap:8px;color:rgba(206,226,250,.9);font-weight:700}
.chp-ctl input[type=range]{
  -webkit-appearance:none;appearance:none;width:104px;height:4px;border-radius:999px;
  background:rgba(255,255,255,.22);outline:none;
}
.chp-ctl input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;width:14px;height:14px;border-radius:999px;background:var(--ai-grad);border:2px solid #eaf2ff;cursor:pointer;
}
.chp-ctl input[type=range]::-moz-range-thumb{width:12px;height:12px;border:2px solid #eaf2ff;border-radius:999px;background:#4f8cff;cursor:pointer}
.chp-ctl output{font-family:var(--font-serif);font-size:12.5px;color:#fff;min-width:58px}
.chp-switch input{width:16px;height:16px;accent-color:#22d3ee;cursor:pointer}
.chp-hint{margin-left:auto;color:rgba(190,214,240,.72);font-size:11px}
.chp-hint b{color:#fff;font-family:var(--font-serif);font-size:12.5px}
.chp-lbl{
  position:absolute;transform:translate(-50%,-50%);pointer-events:none;
  font-size:10.5px;font-weight:800;letter-spacing:.02em;white-space:nowrap;
  color:#eaf6ff;background:rgba(8,20,38,.72);border:1px solid rgba(140,180,255,.35);
  padding:2px 7px;border-radius:999px;transition:opacity .25s var(--ease);
}
#chLblV2I{color:#e6dcff;border-color:rgba(167,139,250,.45)}
#chLblV2C{color:#d3f7ff;border-color:rgba(34,211,238,.45)}
@media (max-width:680px){.chp-lbl{font-size:9.5px;padding:2px 6px}}
.chp-svg text{font-family:var(--font-sans);font-size:11px;font-weight:700;fill:rgba(206,226,250,.86)}
.chp-svg text tspan{fill:#fff;font-weight:900}
.chp-ground{stroke:rgba(150,190,255,.45);stroke-width:1.4}
.chp-ground-dash{stroke:rgba(34,211,238,.45);stroke-width:2;stroke-dasharray:18 14}
.chp-ghost rect{fill:none;stroke:rgba(170,184,210,.5);stroke-width:1.4;stroke-dasharray:6 6}
.chp-body > path{fill:url(#chpGlass);stroke:rgba(168,236,255,.92);stroke-width:1.9;filter:drop-shadow(0 0 7px rgba(34,211,238,.28))}
.chp-pillar{stroke:rgba(168,236,255,.5);stroke-width:1.2;stroke-dasharray:4 4}
.chp-body text{fill:#eaf6ff}
.chp-wheel circle{fill:none;stroke:rgba(150,190,255,.55);stroke-width:1.5}
.chp-wheel circle:nth-child(2){fill:rgba(34,211,238,.2);stroke:rgba(34,211,238,.5)}
.chp-wheel line{stroke:rgba(150,190,255,.42);stroke-width:1.2}
.chp-spring{fill:none;stroke:rgba(182,206,240,.78);stroke-width:1.6;stroke-linejoin:round}
.chp-spring-hot{stroke:#8b7cff}
.chp-act{fill:#22d3ee;stroke:rgba(255,255,255,.55);stroke-width:.8}
.chp-steer{fill:none;stroke:rgba(34,211,238,.7);stroke-width:1.6;stroke-dasharray:4 4}
.chp-patch line{stroke:rgba(34,211,238,.85);stroke-width:3;stroke-linecap:round}
.chp-wave{fill:none;stroke:rgba(34,211,238,.6);stroke-width:1.4}
.chp-link{fill:none;stroke:rgba(130,190,255,.35);stroke-width:1.2;stroke-dasharray:5 5}
.chp-packet{fill:#c6f4ff}
.chp-domain rect{fill:rgba(124,92,255,.22);stroke:rgba(165,148,255,.7);stroke-width:1.2}
.chp-cloud path{fill:rgba(34,211,238,.14);stroke:rgba(34,211,238,.58);stroke-width:1.2}
.chp-curve rect{fill:rgba(8,20,38,.5);stroke:rgba(140,180,255,.24);stroke-width:1}
.chp-curve-axis{stroke:rgba(150,190,255,.22);stroke-width:1;stroke-dasharray:3 3}
.chp-curve-ghost{fill:none;stroke:rgba(202,212,232,.78);stroke-width:1.5}
.chp-curve-ai{fill:none;stroke:#22d3ee;stroke-width:2;stroke-linejoin:round}
.chp-curve-legend{fill:rgba(180,205,240,.72)!important;font-weight:600!important;font-size:10px!important}
.chp-foot{margin-top:8px;font-size:11.5px;line-height:1.65;color:rgba(190,214,240,.72)}

@media (max-width:1150px){
  .hero-main{grid-template-columns:1fr;gap:24px}
  .chassis-panel{max-width:640px}
}
@media (max-width:680px){
  .chassis-panel{padding:12px 12px 10px;border-radius:18px}
  .chp-readout,.chp-curve{display:none}
  .chp-head{padding-bottom:7px}
}
@media (prefers-reduced-motion:reduce){
  .chassis-panel{animation:none !important}
  .chp-dot{animation:none !important}
}