/* 泺枢官网 · 品牌 tokens 见 90_assets/brand-colors.md */
/* 标题衬线：思源宋体子集（150 字，改标题文案需重跑子集，见 assets/fonts/README.md） */
@font-face{font-family:"Noto Serif SC Sub";src:url("assets/fonts/NotoSerifSC-Bold-sub.woff2") format("woff2");
  font-weight:700;font-display:swap}
@font-face{font-family:"Noto Serif SC Sub";src:url("assets/fonts/NotoSerifSC-Black-sub.woff2") format("woff2");
  font-weight:900;font-display:swap}
:root{
  --teal:#1496a8; --teal-bright:#1da0be; --teal-deep:#0f6975; --ink:#0c4651;
  --gold:#c5882f; --gold-light:#dcaa61; --gold-deep:#a96a1e;
  --body:#3b4d52; --muted:#7e8e93; --paper:#fbfcfc; --paper2:#f3f7f7; --line:#e3ebec;
  --serif:"Noto Serif SC Sub","Noto Serif SC","Source Han Serif SC","Songti SC","STSong",serif;
  --sans:"PingFang SC","Source Han Sans SC","Noto Sans SC","Inter","Helvetica Neue",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,"SF Mono",Menlo,Consolas,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{background:var(--paper);color:var(--body);font-family:var(--sans);
  font-size:clamp(17px,0.95vw+6px,20px);line-height:1.85;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--teal);text-decoration:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 32px}

/* ===== 导航（首屏透明压视频，滚动后落白底） ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:10;
  background:rgba(6,38,46,.38);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background .35s,border-color .35s}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:60px}
.nav-logo{display:flex;align-items:center;gap:11px;font-family:var(--serif);
  font-weight:700;font-size:24px;color:#fff;transition:color .35s}
.nav-logo img{height:34px}
.nav-links{display:flex;align-items:center;gap:30px;font-size:17.5px}
.nav-links>a,.nav-drop-t{color:rgba(255,255,255,.92);transition:color .35s}
.nav-links>a:hover,.nav-drop-t:hover{color:var(--gold-light)}
.nav.solid{background:rgba(251,252,252,.94);backdrop-filter:blur(8px);
  border-bottom-color:var(--line)}
.nav.solid .nav-logo{color:var(--ink)}
.nav.solid .nav-links>a,.nav.solid .nav-drop-t{color:var(--body)}
.nav.solid .nav-links>a:hover,.nav.solid .nav-drop-t:hover{color:var(--teal)}
.nav-toggle{display:none}
.nav-burger{display:none}
/* 服务下拉 */
.nav-drop{position:relative}
.nav-drop-t{cursor:pointer}
.nav-drop-menu{position:absolute;top:calc(100% + 14px);left:50%;transform:translateX(-50%) translateY(6px);
  min-width:150px;background:#fff;border:1px solid var(--line);border-radius:10px;
  box-shadow:0 16px 40px rgba(6,38,46,.18);padding:8px;
  opacity:0;visibility:hidden;transition:opacity .22s,transform .22s;z-index:20}
.nav-drop:hover .nav-drop-menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.nav-drop-menu::before{content:"";position:absolute;top:-14px;left:0;right:0;height:14px}
.nav-drop-menu a{display:block;padding:11px 16px;border-radius:7px;color:var(--body);font-size:17px}
.nav-drop-menu a:hover{background:var(--paper2);color:var(--teal)}

/* ===== Hero ===== */
/* ===== 全屏视频 Hero ===== */
.hero{position:relative;height:100vh;min-height:620px;overflow:hidden;background:#07333d}
.hero>video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-overlay{position:absolute;inset:0;background:
  linear-gradient(90deg,rgba(5,34,41,.9) 0%,rgba(5,34,41,.72) 30%,rgba(5,34,41,.28) 48%,rgba(5,34,41,.06) 62%,transparent 76%),
  linear-gradient(0deg,rgba(5,34,41,.55),transparent 34%)}
.hero-content{position:relative;z-index:2;height:100%;display:flex;
  flex-direction:column;justify-content:center;align-items:flex-start;
  padding-top:52px;padding-bottom:180px}
/* 文案锁在左侧，给右侧视频动画留出完整可视区，避免标题压住 AI 核心 */
.hero-content>h1,.hero-content>.sub,.hero-content>.cta{max-width:min(520px,44%)}
.hero h1{font-family:var(--serif);font-weight:900;color:#fff;white-space:normal;
  font-size:clamp(48px,5vw,92px);line-height:1.2;letter-spacing:.02em;
  text-shadow:0 4px 34px rgba(0,0,0,.35)}
.hero h1 .accent{color:var(--gold-light)}
.hero .sub{margin-top:34px;max-width:min(22em,520px);color:#d3e4e7;
  font-size:clamp(18px,1.25vw,23px);text-shadow:0 2px 16px rgba(0,0,0,.3)}
.cta{display:inline-block;margin-top:44px;padding:18px 48px;border-radius:8px;
  background:linear-gradient(135deg,var(--gold-deep),var(--gold-light));color:#fff;
  font-size:19px;font-weight:600;letter-spacing:.08em;
  box-shadow:0 8px 26px rgba(169,106,30,.4);
  transition:transform .25s,box-shadow .25s}
.cta:hover{transform:translateY(-3px);box-shadow:0 14px 36px rgba(197,136,47,.55);color:#fff}

/* ===== Hero 底部数字遮罩条 ===== */
.hero-metrics{position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:26px 0;background:linear-gradient(0deg,rgba(4,28,34,.72),rgba(4,28,34,.28) 70%,transparent);
  border-top:1px solid rgba(255,255,255,.1);
  -webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}
.hero-metrics .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.metric{text-align:center;padding:4px 12px}
.metric+.metric{border-left:1px solid rgba(255,255,255,.16)}
.metric .num{font-family:var(--mono);font-size:clamp(38px,3.2vw,52px);font-weight:700;
  color:var(--gold-light);text-shadow:0 2px 14px rgba(0,0,0,.4)}
.metric .label{font-size:15px;color:#cfe3e6;letter-spacing:.1em;margin-top:4px}

/* ===== 通用版块 ===== */
section{padding:76px 0}
.sec-title{font-family:var(--serif);font-weight:700;color:var(--ink);
  font-size:clamp(38px,4.6vw,62px);margin-bottom:18px}
.sec-title::after{content:"";display:block;width:72px;height:6px;border-radius:3px;
  background:linear-gradient(90deg,var(--gold),var(--gold-light));margin-top:20px}
.sec-lead{color:var(--muted);max-width:40em;margin-bottom:52px;font-size:clamp(18px,1.4vw,23px)}
.eyebrow{font-family:var(--mono);font-size:15px;font-weight:700;letter-spacing:.3em;
  color:var(--gold-deep);text-transform:uppercase;margin-bottom:16px}

/* ===== 服务区 ===== */
.svc-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.svc-card{background:#fff;border:1px solid var(--line);border-radius:14px;
  border-top:5px solid var(--teal-bright);
  padding:36px 30px;transition:transform .25s,box-shadow .25s}
.svc-card:nth-child(2){border-top-color:var(--teal-deep)}
.svc-card:nth-child(3){border-top-color:var(--gold)}
.svc-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(12,70,81,.08)}
.svc-card img{height:190px;width:auto;margin:0 auto 24px}
.svc-card h3{font-family:var(--serif);color:var(--ink);font-size:26px;margin-bottom:12px}
.svc-card h3 small{display:block;font-family:var(--mono);font-size:12px;
  letter-spacing:.2em;color:var(--gold);margin-top:4px}
.svc-card p{font-size:19px;line-height:1.9}
/* ===== 技能货架（深青色块段） ===== */
.skills{background:linear-gradient(150deg,#0c4651,var(--teal-deep) 55%,#11565f)}
.skills .sec-title{color:#fff}
.skills .sec-lead{color:#bfd9dd}
.skills .eyebrow{color:var(--gold-light)}
.skill-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.skill-group{background:#fff;border-radius:14px;padding:30px 28px;
  border-top:6px solid var(--teal-bright);box-shadow:0 14px 40px rgba(4,32,38,.28)}
.skill-group:nth-child(2){border-top-color:var(--teal)}
.skill-group:nth-child(3){border-top-color:var(--gold)}
.skill-group:nth-child(4){border-top-color:var(--teal-bright)}
.skill-group h3{font-family:var(--mono);font-size:16px;font-weight:700;letter-spacing:.18em;
  color:var(--gold-deep);text-transform:uppercase;margin-bottom:18px;
  padding-bottom:14px;border-bottom:1px solid var(--line)}
.skill-group ul{list-style:none}
.skill-group li{font-size:19px;color:var(--ink);padding:12px 0 12px 22px;position:relative}
.skill-group li::before{content:"";position:absolute;left:0;top:19px;width:8px;height:8px;
  border-radius:2px;background:var(--teal)}

/* ===== 课程系列（暖金底段） ===== */
#courses{background:linear-gradient(180deg,#fdf8ee,#f8f0dd)}
.course-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.course-card{background:#fff;border:1px solid #eee2c8;border-radius:14px;
  padding:30px 28px;display:flex;flex-direction:column;
  box-shadow:0 8px 26px rgba(169,106,30,.10);
  transition:transform .25s,box-shadow .25s}
.course-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(12,70,81,.08)}
.course-num{font-family:var(--mono);font-size:14px;font-weight:700;color:#fff;
  letter-spacing:.14em;margin-bottom:14px;display:inline-block;align-self:flex-start;
  background:linear-gradient(135deg,var(--gold-deep),var(--gold-light));
  padding:4px 14px;border-radius:999px}
.course-card h3{font-family:var(--serif);color:var(--ink);font-size:25px;margin-bottom:10px}
.course-card p{font-size:18.5px;flex:1}
.course-for{margin-top:16px;padding-top:14px;border-top:1px solid #eee2c8;
  font-size:15px;color:var(--gold-deep);font-weight:600}
.course-note{margin-top:36px;display:flex;align-items:center;gap:28px;
  background:#fff;border:1px solid #eee2c8;border-radius:14px;padding:22px 32px;
  box-shadow:0 8px 26px rgba(169,106,30,.08)}
.course-note img{width:120px;flex-shrink:0}
.course-note p{font-size:17.5px;color:var(--body)}

/* ===== 案例墙 ===== */
.cases{background:var(--paper2)}
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.case-card{background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:30px 32px;display:flex;gap:22px;align-items:flex-start;
  transition:transform .25s,box-shadow .25s}
.case-card:hover{transform:translateY(-3px);box-shadow:0 10px 28px rgba(12,70,81,.07)}
.case-num{font-family:var(--mono);font-size:26px;font-weight:700;color:var(--gold)}
.case-card h3{font-size:22px;color:var(--ink);margin-bottom:8px;font-weight:600}
.case-card p{font-size:18px;color:var(--muted)}

/* ===== 关于 · 加入 ===== */
.about .wrap{display:grid;grid-template-columns:1fr 1fr;gap:64px}
.about h2{font-family:var(--serif);color:var(--ink);font-size:38px;margin-bottom:18px}
.about p{font-size:19px}

/* ===== 页脚 ===== */
.footer{background:linear-gradient(135deg,#0a3a44,var(--teal-deep) 60%,#11565f);
  color:#e8f2f3;padding:80px 0 44px}
.footer .wrap{display:grid;grid-template-columns:190px 1fr;gap:52px;align-items:center}
.footer img{width:210px;
  -webkit-mask-image:radial-gradient(circle at 50% 46%,#000 58%,transparent 78%);
  mask-image:radial-gradient(circle at 50% 46%,#000 58%,transparent 78%)}
.footer h2{font-family:var(--serif);font-size:clamp(34px,3.4vw,46px);margin-bottom:16px;color:#fff}
.footer .contact{font-size:19px;line-height:2;color:#cfe3e6}
.cta-footer{margin-top:24px}
/* 版权 + 主体 + 备案号：逐行居中（备案号按规定需可点击跳转） */
.footer .fine{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.16);
  margin-top:40px;padding-top:22px;font-size:13px;color:rgba(232,242,243,.55);
  display:flex;flex-direction:column;align-items:center;text-align:center;gap:6px;line-height:1.7}
.footer .fine a{color:rgba(232,242,243,.62);transition:color .2s}
.footer .fine a:hover{color:var(--gold-light)}

/* ===== 子页 banner + 详情卡 ===== */
.page-hero{background:linear-gradient(135deg,#0a3a44,var(--teal-deep) 60%,#11565f);
  color:#fff;padding:158px 0 76px;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;right:-80px;top:-60px;width:420px;height:420px;
  border-radius:50%;background:radial-gradient(circle,rgba(220,170,97,.22),transparent 68%)}
.page-hero .eyebrow{color:var(--gold-light)}
.page-hero h1{font-family:var(--serif);font-weight:900;font-size:clamp(40px,4.6vw,68px);
  line-height:1.2;color:#fff;margin-bottom:18px;position:relative;z-index:1}
.page-hero p{font-size:clamp(18px,1.4vw,22px);color:#cfe3e6;max-width:38em;position:relative;z-index:1}
.page-hero .back{display:inline-block;margin-bottom:22px;font-size:15px;
  color:rgba(255,255,255,.7);font-family:var(--mono)}
.page-hero .back:hover{color:var(--gold-light)}

.detail-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.detail-card{background:#fff;border:1px solid var(--line);border-radius:16px;
  border-top:6px solid var(--teal-bright);padding:38px 36px;
  transition:transform .25s,box-shadow .25s}
.detail-card:nth-child(2){border-top-color:var(--teal-deep)}
.detail-card:nth-child(3){border-top-color:var(--gold)}
.detail-card:nth-child(4){border-top-color:var(--teal)}
.detail-card:nth-child(5){border-top-color:var(--teal-bright)}
.detail-card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(12,70,81,.1)}
.detail-card .tag{font-family:var(--mono);font-size:13px;letter-spacing:.16em;
  color:var(--gold-deep);text-transform:uppercase;margin-bottom:10px}
.detail-card h3{font-family:var(--serif);color:var(--ink);font-size:26px;margin-bottom:14px}
.detail-card p{font-size:17px;margin-bottom:16px}
.detail-card ul{list-style:none}
.detail-card li{font-size:16.5px;color:var(--body);padding:8px 0 8px 20px;position:relative}
.detail-card li::before{content:"";position:absolute;left:0;top:15px;width:7px;height:7px;
  border-radius:2px;background:var(--teal)}
.detail-card .meta{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-size:15px;color:var(--teal-deep)}

/* 课程详情大卡 */
.course-detail{background:#fff;border:1px solid #eee2c8;border-radius:18px;
  box-shadow:0 10px 30px rgba(169,106,30,.09);padding:44px 48px;margin-bottom:28px;
  display:grid;grid-template-columns:auto 1fr;gap:44px;align-items:start}
.course-detail .cnum{font-family:var(--mono);font-weight:700;font-size:20px;color:#fff;
  background:linear-gradient(135deg,var(--gold-deep),var(--gold-light));
  width:64px;height:64px;border-radius:16px;display:flex;align-items:center;justify-content:center}
.course-detail h3{font-family:var(--serif);color:var(--ink);font-size:30px;margin-bottom:10px}
.course-detail .lead{font-size:18px;color:var(--body);margin-bottom:24px}
.course-detail .cols{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.course-detail h4{font-family:var(--mono);font-size:14px;letter-spacing:.16em;
  color:var(--gold-deep);text-transform:uppercase;margin-bottom:12px}
.course-detail ul{list-style:none}
.course-detail li{font-size:16.5px;padding:7px 0 7px 20px;position:relative}
.course-detail li::before{content:"";position:absolute;left:0;top:14px;width:7px;height:7px;
  border-radius:2px;background:var(--gold)}

/* 课程大卡 · 左右交替插图 */
.course-detail.illus{display:flex;align-items:center;gap:38px}
.course-detail.illus .cnum{order:1}
.course-detail.illus>div:not(.cnum){flex:1;order:2}
.course-detail.illus .course-illus{width:200px;flex:none;order:3;
  filter:drop-shadow(0 12px 26px rgba(169,106,30,.16))}
.course-detail.illus:nth-child(even) .course-illus{order:0}

/* 3 列均匀网格（3 项内容用，避免 2+1 不齐） */
.detail-grid.g3{grid-template-columns:repeat(3,1fr)}
.detail-grid.g3 .detail-card{display:flex;flex-direction:column}
.detail-grid.g3 .detail-card ul{margin-top:auto}

/* 横向流程图（阶段/链路） */
.flow{display:flex;gap:18px;align-items:stretch}
.flow-step{flex:1;background:#fff;border-radius:14px;padding:28px 26px;position:relative;
  border-top:5px solid var(--teal-bright);box-shadow:0 8px 24px rgba(12,70,81,.06)}
.flow-step:nth-child(2){border-top-color:var(--teal)}
.flow-step:nth-child(3){border-top-color:var(--gold)}
.flow-step:nth-child(4){border-top-color:var(--teal-deep)}
.flow-step:not(:last-child)::after{content:"→";position:absolute;right:-15px;top:50%;
  transform:translateY(-50%);font-size:22px;color:var(--gold);z-index:2;font-weight:700}
.flow-step .fn{font-family:var(--mono);font-size:13px;letter-spacing:.14em;
  color:var(--gold-deep);text-transform:uppercase;margin-bottom:10px}
.flow-step h4{font-family:var(--serif);font-size:22px;color:var(--ink);margin-bottom:10px}
.flow-step p{font-size:15.5px;color:var(--body)}
.flow.on-dark .flow-step{background:rgba(255,255,255,.97)}

/* 左右交替图文行（服务支柱） */
.pillar{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;margin-bottom:64px}
.pillar:last-child{margin-bottom:0}
.pillar:nth-child(even) .pillar-media{order:2}
.pillar-media{background:var(--paper2);border:1px solid var(--line);border-radius:18px;
  padding:44px;text-align:center;min-height:260px;display:flex;align-items:center;justify-content:center}
.pillar-media img{width:210px;filter:drop-shadow(0 12px 26px rgba(12,70,81,.14))}
.pillar-media.chips{flex-direction:column;gap:14px}
.pillar-tag{font-family:var(--mono);font-size:14px;letter-spacing:.16em;color:var(--gold-deep);
  text-transform:uppercase;margin-bottom:14px}
.pillar h3{font-family:var(--serif);font-size:clamp(28px,2.6vw,38px);color:var(--ink);margin-bottom:16px}
.pillar>div:not(.pillar-media)>p{font-size:18px;margin-bottom:18px}
.pillar ul{list-style:none}
.pillar li{font-size:16.5px;color:var(--body);padding:8px 0 8px 22px;position:relative}
.pillar li::before{content:"";position:absolute;left:0;top:15px;width:8px;height:8px;
  border-radius:2px;background:var(--teal)}
.platform-chips{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.platform-chips span{background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:10px 20px;font-size:16px;color:var(--teal-deep);font-weight:600;
  box-shadow:0 4px 12px rgba(12,70,81,.06)}

/* FDE 科普段（深色带比喻大字） */
.fde101{background:linear-gradient(135deg,#0a3a44,var(--teal-deep) 58%,#11565f);color:#eaf3f4}
.fde101 .eyebrow{color:var(--gold-light)}
.fde101 .sec-title{color:#fff}
.fde101 .sec-title::after{background:linear-gradient(90deg,var(--gold),var(--gold-light))}
.fde101 .lead{font-size:clamp(19px,1.5vw,24px);color:#d3e4e7;max-width:44em;margin-bottom:40px}
.fde101 .quote{font-family:var(--serif);font-size:clamp(24px,2.6vw,38px);line-height:1.5;
  color:#fff;border-left:5px solid var(--gold);padding:6px 0 6px 28px;margin:8px 0 44px;max-width:22em}
.fde101 .quote b{color:var(--gold-light)}
.evidence{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ev-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:14px;padding:28px 26px}
.ev-card .ev-num{font-family:var(--mono);font-size:34px;font-weight:700;color:var(--gold-light);margin-bottom:8px}
.ev-card h4{font-size:18px;color:#fff;margin-bottom:8px}
.ev-card p{font-size:15.5px;color:#bcd4d7}
.fde-vs{display:grid;grid-template-columns:1fr 1fr 1fr;gap:0;margin-top:40px;
  border:1px solid rgba(255,255,255,.14);border-radius:14px;overflow:hidden}
.fde-vs>div{padding:22px 26px;border-right:1px solid rgba(255,255,255,.1)}
.fde-vs>div:last-child{border-right:none;background:rgba(197,136,47,.14)}
.fde-vs .vh{font-family:var(--mono);font-size:13px;letter-spacing:.14em;color:var(--gold-light);
  text-transform:uppercase;margin-bottom:10px}
.fde-vs p{font-size:16px;color:#dbeaec}
.fde-vs .lead-cell p{color:#fff;font-weight:600}

/* 业务域标签墙（非卡片视觉） */
.domain-wall{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.domain-tag{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px 20px;
  text-align:center;transition:transform .2s,border-color .2s,box-shadow .2s}
.domain-tag:hover{transform:translateY(-3px);border-color:var(--teal-bright);
  box-shadow:0 10px 26px rgba(12,70,81,.08)}
.domain-tag .dn{font-family:var(--mono);font-size:26px;font-weight:700;color:var(--gold);display:block}
.domain-tag .dl{font-size:16px;color:var(--ink);font-weight:600;margin-top:6px;display:block}
.domain-tag .de{font-size:13px;color:var(--muted);margin-top:2px;display:block}
.domain-tag.star{background:linear-gradient(135deg,#0a3a44,var(--teal-deep));border:none}
.domain-tag.star .dl,.domain-tag.star .de{color:#eaf3f4}
.domain-tag.star .dn{color:var(--gold-light)}
@media (max-width:880px){.domain-wall{grid-template-columns:1fr 1fr}}

/* FDE 社区 · 资讯列表（带发布日期） */
.sec-head{display:flex;align-items:center;gap:24px;margin-bottom:12px}
.sec-head img{width:88px;flex:none;filter:drop-shadow(0 8px 18px rgba(12,70,81,.14))}
.sec-head .eyebrow{margin-bottom:8px}
.news-list{border-top:2px solid var(--ink)}
.news-row{display:grid;grid-template-columns:118px 1fr 120px;gap:28px;align-items:center;
  padding:26px 8px;border-bottom:1px solid var(--line);transition:background .2s}
.news-row:hover{background:var(--paper2)}
.news-row .date{font-family:var(--mono);font-size:15px;color:var(--gold-deep);white-space:nowrap}
.news-row .mid h3{font-size:21px;color:var(--ink);font-weight:600;margin-bottom:6px}
.news-row .mid .src{font-family:var(--mono);font-size:13px;letter-spacing:.08em;
  color:var(--muted);text-transform:uppercase}
.news-row .mid p{font-size:16px;color:var(--body);margin-top:6px}
.news-row .go{font-size:15px;color:var(--teal);font-weight:600;text-align:right;white-space:nowrap}
.news-row:hover .go{color:var(--gold-deep)}

@media (max-width:880px){
  .detail-grid,.course-detail .cols{grid-template-columns:1fr}
  .course-detail{grid-template-columns:1fr;padding:32px 26px;gap:22px}
  .course-detail.illus{flex-direction:column;text-align:left}
  .course-detail.illus .course-illus,.course-detail.illus:nth-child(even) .course-illus{order:-1;width:160px;align-self:center}
  .evidence,.fde-vs,.news-grid{grid-template-columns:1fr}
  .fde-vs>div{border-right:none;border-bottom:1px solid rgba(255,255,255,.1)}
}

/* ===== 滚动淡入（卡片错峰） ===== */
.reveal{opacity:0;transform:translateY(26px);
  transition:opacity .7s ease,transform .7s ease}
.reveal.on{opacity:1;transform:none}
.svc-card:nth-child(2),.skill-group:nth-child(2),.course-card:nth-child(2),.case-card:nth-child(2){transition-delay:.1s}
.svc-card:nth-child(3),.skill-group:nth-child(3),.course-card:nth-child(3){transition-delay:.2s}
.skill-group:nth-child(4),.course-card:nth-child(4){transition-delay:.3s}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .cta,.svc-card,.case-card,.course-card{transition:none}
  .hero-art,.hero-art::before{animation:none}
}

/* ===== 响应式 ===== */
@media (max-width:880px){
  .wrap{padding:0 22px}
  .nav-burger{display:block;font-size:26px;color:#fff;cursor:pointer;user-select:none}
  .nav.solid .nav-burger{color:var(--ink)}
  .nav-links{display:none;position:absolute;top:68px;left:0;right:0;
    background:var(--paper);border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;padding:8px 22px 16px}
  .nav-links>a,.nav-drop-t{padding:12px 0;color:var(--body)}
  .nav-drop-menu{position:static;transform:none;opacity:1;visibility:visible;
    box-shadow:none;border:none;padding:0 0 8px 16px;min-width:0}
  .nav-drop-menu a{padding:8px 0}
  .nav-toggle:checked ~ .nav-links{display:flex}
  .hero{min-height:560px}
  .hero h1{white-space:normal}
  .hero-content{padding-bottom:170px}
  .hero-content>h1,.hero-content>.sub,.hero-content>.cta{max-width:100%}
  section{padding:64px 0}
  .hero-metrics .wrap{grid-template-columns:1fr 1fr;row-gap:16px}
  .metric:nth-child(3){border-left:none}
  .metric{padding:10px 8px}
  .svc-cards,.case-grid,.about .wrap{grid-template-columns:1fr}
  .skill-groups,.course-grid{grid-template-columns:1fr}
  .course-note{flex-direction:column;text-align:center}
  .footer .wrap{grid-template-columns:1fr;text-align:center}
  .footer img{margin:0 auto}
}

/* ============================================================
   产品页（ai-for-ce.html）
   动画原子 + 演示 mock 组件。仅本页使用，首页动效上限不受影响。
   ============================================================ */

/* ===== 动画原子（状态由 JS 加 .on 驱动） ===== */
.pm-ease{--e:cubic-bezier(.22,1,.36,1)}
[data-at]{opacity:0;transform:translateY(12px);
  transition:opacity .55s cubic-bezier(.22,1,.36,1),transform .55s cubic-bezier(.22,1,.36,1);
  transition-delay:calc(var(--i,0) * 90ms)}
[data-at].on{opacity:1;transform:none}
/* chip-pop */
.a-chip{transform:scale(.82);transform-origin:left center}
.a-chip.on{transform:scale(1)}
/* row-cascade */
.a-row{transform:translateY(10px)}
/* bar-grow —— 用 scaleY 而非 height：height 每帧触发重排，scaleY 走合成器 */
.a-bar{height:var(--h) !important;opacity:1;
  transform:scaleY(0);transform-origin:bottom;
  transition:transform .7s cubic-bezier(.22,1,.36,1);
  transition-delay:calc(var(--i,0) * 90ms)}
.a-bar.on{transform:scaleY(1)}
/* line-draw */
.a-draw{stroke-dasharray:var(--len,600);stroke-dashoffset:var(--len,600);opacity:1;transform:none;
  transition:stroke-dashoffset 1.5s cubic-bezier(.22,1,.36,1);transition-delay:calc(var(--i,0) * 140ms)}
.a-draw.on{stroke-dashoffset:0}
/* sweep 扫光 */
.a-sweep{position:relative;overflow:hidden}
.a-sweep.on::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(105deg,transparent 30%,rgba(220,170,97,.5),transparent 70%);
  animation:pmSweep .95s cubic-bezier(.22,1,.36,1) .05s 1 both}
@keyframes pmSweep{from{transform:translateX(-115%)}to{transform:translateX(165%)}}
/* 打字光标 */
.caret::after{content:"";display:inline-block;width:2px;height:1em;margin-left:3px;
  background:var(--teal);vertical-align:-.14em;animation:pmCaret .85s steps(1) infinite}
@keyframes pmCaret{50%{opacity:0}}

@media (prefers-reduced-motion:reduce){
  [data-at],[data-at].on{opacity:1;transform:none;transition:none}
  .a-bar,.a-bar.on{transform:scaleY(1);transition:none}
  .a-draw,.a-draw.on{stroke-dashoffset:0;transition:none}
  .a-sweep.on::after{animation:none;display:none}
  .caret::after{animation:none;display:none}
}

/* ===== 产品页 Hero ===== */
.p-hero{background:linear-gradient(135deg,#082f39,#0f6975 58%,#11565f);
  color:#eaf3f4;padding:150px 0 84px;position:relative;overflow:hidden}
.p-hero::after{content:"";position:absolute;right:-140px;top:-90px;width:520px;height:520px;
  border-radius:50%;background:radial-gradient(circle,rgba(220,170,97,.2),transparent 68%)}
.p-hero .wrap{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:center;
  position:relative;z-index:1}
.p-hero .eyebrow{color:var(--gold-light)}
/* 两行金句各自不断行——桌面下按左栏宽度定上限，窄屏放开 */
.p-hero h1{font-family:var(--serif);font-weight:900;color:#fff;
  font-size:clamp(34px,3.5vw,51px);line-height:1.26;letter-spacing:.01em;white-space:nowrap}
@media (max-width:980px){.p-hero h1{white-space:normal;font-size:clamp(32px,7vw,44px)}}
.p-hero h1 em{font-style:normal;color:var(--gold-light);display:block}
.p-hero .sub{margin-top:22px;font-size:clamp(17px,1.25vw,21px);color:#cfe3e6;max-width:26em}
.p-hero .back{display:inline-block;margin-bottom:20px;font-size:15px;font-family:var(--mono);
  color:rgba(255,255,255,.7)}
.p-hero .back:hover{color:var(--gold-light)}
.trust{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.trust span{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);
  border-radius:999px;padding:8px 18px;font-size:15px;color:#dcecee}

/* ===== 演示 mock 窗口 ===== */
.pm{background:#fff;border-radius:16px;border:1px solid var(--line);overflow:hidden;
  box-shadow:0 24px 60px rgba(4,32,38,.3)}
.pm-bar{display:flex;align-items:center;gap:10px;padding:13px 18px;background:var(--paper2);
  border-bottom:1px solid var(--line)}
.pm-bar b{font-size:15px;color:var(--ink);font-weight:600}
.pm-bar small{font-size:13px;color:var(--muted)}
.pm-bar .dot{width:9px;height:9px;border-radius:50%;background:var(--teal);flex:none}
.pm-bar .lock{margin-left:auto;font-size:13px;color:var(--teal-deep);font-family:var(--mono)}
.pm-body{padding:20px 20px 18px;background:#fff}
.pm-ask{background:linear-gradient(135deg,var(--teal-deep),var(--teal));color:#fff;
  border-radius:12px 12px 4px 12px;padding:12px 16px;font-size:16px;margin-left:auto;
  max-width:88%;width:fit-content;min-height:44px;line-height:1.6}
.pm-chain{list-style:none;margin:16px 0 0;border-left:2px solid var(--line);padding-left:16px}
.pm-chain li{font-size:14.5px;color:var(--body);padding:6px 0;display:flex;align-items:center;gap:8px}
.pm-chain li b{font-weight:600;color:var(--ink)}
.pm-chain li small{color:var(--muted);font-size:13px;margin-left:auto}
.pm-chain .ok{color:var(--teal);font-weight:700}
.pm-chain .run{color:var(--gold-deep);font-weight:700;animation:pmPulse 1.1s ease-in-out infinite}
@keyframes pmPulse{50%{opacity:.35}}
.pm-ans{margin-top:16px;background:var(--paper2);border-left:3px solid var(--teal);
  border-radius:4px 12px 12px 4px;padding:14px 16px;font-size:15.5px;color:var(--ink);line-height:1.75;
  min-height:48px}
.pm-ans .hl{color:var(--gold-deep);font-weight:700}
.pm-cite{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.pm-cite span{font-family:var(--mono);font-size:12px;letter-spacing:.06em;
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 12px;color:var(--teal-deep)}
.pm-note{margin-top:14px;padding-top:12px;border-top:1px dashed var(--line);
  font-size:12.5px;color:var(--muted)}

/* 迷你柱条 */
.pm-bars{display:flex;align-items:flex-end;gap:7px;height:74px;margin-top:14px}
.pm-bars i{flex:1;background:linear-gradient(180deg,var(--teal-bright),var(--teal-deep));
  border-radius:4px 4px 0 0;align-self:flex-end}
.pm-bars i.gold{background:linear-gradient(180deg,var(--gold-light),var(--gold-deep))}

/* 清单行 */
.pm-rows{margin-top:14px;border-top:1px solid var(--line)}
.pm-rowi{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;
  padding:11px 2px;border-bottom:1px solid var(--line);font-size:15px}
.pm-rowi b{color:var(--ink);font-weight:600}
.pm-rowi p{font-size:13.5px;color:var(--muted);margin-top:2px}
.pm-rowi .flag{font-family:var(--mono);font-size:12px;padding:4px 10px;border-radius:999px;
  background:rgba(197,136,47,.14);color:var(--gold-deep);white-space:nowrap}
.pm-rowi .flag.teal{background:rgba(20,150,168,.12);color:var(--teal-deep)}

/* ===== 板块通用 ===== */
.p-sec{padding:82px 0}
.p-sec.alt{background:var(--paper2)}
.p-sec.dark{background:linear-gradient(140deg,#0a3a44,var(--teal-deep) 58%,#11565f);color:#eaf3f4}
.p-sec.dark .sec-title{color:#fff}
.p-sec.dark .sec-lead{color:#bfd9dd}
.p-sec.dark .eyebrow{color:var(--gold-light)}
.p-sec.dark .pm{box-shadow:0 24px 60px rgba(3,24,29,.42)}
.p-grid{display:grid;grid-template-columns:1fr 1.08fr;gap:52px;align-items:center}
.p-grid.rev>.pm-col{order:-1}
.p-sec .sec-title{font-size:clamp(31px,3.2vw,45px)}
.p-sec .sec-lead{margin-bottom:26px;font-size:clamp(17px,1.25vw,20px)}
.p-points{list-style:none;margin-top:22px}
.p-points li{font-size:16.5px;padding:9px 0 9px 24px;position:relative;color:var(--body)}
.p-sec.dark .p-points li{color:#d3e4e7}
.p-points li::before{content:"";position:absolute;left:0;top:16px;width:8px;height:8px;
  border-radius:2px;background:var(--teal)}
.p-sec.dark .p-points li::before{background:var(--gold-light)}
.p-points li b{color:var(--ink);font-weight:600}
.p-sec.dark .p-points li b{color:#fff}

/* 路线图标注（未实现能力，MUST NOT 带时间表） */
.roadmap{margin-top:22px;display:flex;align-items:flex-start;gap:11px;
  background:rgba(20,150,168,.06);border:1px dashed rgba(20,150,168,.4);
  border-radius:10px;padding:12px 15px}
.roadmap .rt{font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;
  background:var(--teal-deep);color:#fff;border-radius:999px;padding:4px 11px;white-space:nowrap;flex:none}
.roadmap p{font-size:14px;color:var(--muted);line-height:1.7}
.p-sec.dark .roadmap{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.26)}
.p-sec.dark .roadmap p{color:#bfd9dd}
.p-sec.dark .roadmap .rt{background:var(--gold-deep)}

/* 象限图 */
.quad{position:relative;height:270px;background:var(--paper2);border-radius:12px;
  border:1px solid var(--line);margin-top:6px}
.quad .ax{position:absolute;background:var(--line)}
.quad .ax.h{left:0;right:0;top:50%;height:1px}
.quad .ax.v{top:0;bottom:0;left:50%;width:1px}
.quad .qlab{position:absolute;font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.08em}
.quad .hot{position:absolute;left:50%;top:0;right:0;bottom:50%;
  border:2px solid var(--gold);border-radius:0 12px 0 0;background:rgba(197,136,47,.09)}
/* 散点自带居中位移，需覆盖 [data-at] 的通用 transform（specificity 0,2,0 > 0,1,0） */
.quad .pt{position:absolute;width:13px;height:13px;border-radius:50%;
  background:var(--teal);box-shadow:0 2px 8px rgba(12,70,81,.2);
  opacity:0;transform:translate(-50%,-50%) scale(.35);
  transition:opacity .5s cubic-bezier(.22,1,.36,1),transform .5s cubic-bezier(.22,1,.36,1);
  transition-delay:calc(var(--i,0) * 90ms)}
.quad .pt.on{opacity:1;transform:translate(-50%,-50%) scale(1)}
.quad .pt.gold{background:var(--gold);width:16px;height:16px}
@media (prefers-reduced-motion:reduce){
  .quad .pt,.quad .pt.on{opacity:1;transform:translate(-50%,-50%) scale(1);transition:none}
}

/* PPT 缩略图堆叠 */
.deckwrap{display:flex;gap:12px;margin-top:16px}
.slide{flex:1;aspect-ratio:4/3;background:#fff;border:1px solid var(--line);border-radius:8px;
  box-shadow:0 8px 20px rgba(12,70,81,.1);padding:11px;display:flex;flex-direction:column;gap:6px}
.slide i{display:block;height:5px;border-radius:3px;background:var(--line)}
.slide i.t{height:8px;width:66%;background:var(--teal)}
.slide i.g{background:var(--gold-light);width:44%}
.slide .ch{margin-top:auto;height:34px;border-radius:4px;
  background:linear-gradient(180deg,rgba(20,150,168,.18),rgba(20,150,168,.05))}

/* 双人权限对照 */
.perm{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.perm>div{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.perm .ph{padding:10px 14px;background:var(--paper2);border-bottom:1px solid var(--line);
  font-size:13.5px;color:var(--ink);font-weight:600;display:flex;align-items:center;gap:7px}
.perm .ph .who{font-family:var(--mono);font-size:11px;color:#fff;background:var(--teal);
  border-radius:999px;padding:3px 9px}
.perm .ph .who.gold{background:var(--gold-deep)}
.perm .pb{padding:13px 14px;font-size:14px;color:var(--body);min-height:132px}
.perm .scope{font-family:var(--mono);font-size:11.5px;color:var(--muted);
  margin-bottom:9px;padding-bottom:8px;border-bottom:1px dashed var(--line)}

/* 语义层流程 */
.sema{display:flex;gap:9px;margin-top:6px}
.sema div{flex:1;background:#fff;border:1px solid var(--line);border-radius:10px;
  padding:14px 10px;text-align:center;position:relative}
.sema div .sn{font-family:var(--mono);font-size:11px;color:var(--gold-deep);letter-spacing:.1em}
.sema div .sl{font-size:14.5px;color:var(--ink);font-weight:600;margin-top:5px}
.sema div:last-child{border-color:var(--gold);background:rgba(197,136,47,.07)}

/* 资产双曲线 */
.curve{margin-top:6px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px}
.curve svg{width:100%;height:auto;display:block}
.curve .lg{display:flex;gap:20px;margin-top:12px;font-size:13.5px;color:var(--muted)}
.curve .lg i{display:inline-block;width:22px;height:3px;border-radius:2px;margin-right:7px;
  vertical-align:.28em}

/* 产品页 CTA */
.p-cta{background:linear-gradient(135deg,#0a3a44,var(--teal-deep) 60%,#11565f);
  color:#fff;text-align:center;padding:92px 0}
.p-cta h2{font-family:var(--serif);font-size:clamp(32px,3.6vw,50px);margin-bottom:16px;color:#fff}
.p-cta p{font-size:19px;color:#cfe3e6;max-width:32em;margin:0 auto}

@media (max-width:980px){
  .p-hero .wrap,.p-grid{grid-template-columns:1fr;gap:36px}
  .p-grid.rev>.pm-col{order:0}
  .p-hero{padding:126px 0 62px}
  .perm,.deckwrap{grid-template-columns:1fr}
  .perm{display:grid}
  .sema{flex-wrap:wrap}
  .sema div{min-width:44%}
  .p-sec{padding:62px 0}
}

/* ============================================================
   产品页交互增强（add-ai-for-ce-interactions）
   纪律：动画只碰 transform / opacity / clip-path / filter，
   绝不逐帧动 width / height / flex-basis / top —— 那些每帧重排会掉帧。
   ============================================================ */

/* ===== 向下探索指示器 ===== */
.p-sec, .p-hero{position:relative}
.scroll-hint{position:absolute;left:50%;bottom:22px;z-index:4;
  display:inline-flex;align-items:center;gap:10px;
  transform:translateX(-50%);
  padding:0 18px;min-height:38px;
  appearance:none;cursor:pointer;font:inherit;
  border:1px solid rgba(20,150,168,.28);border-radius:999px;
  background:rgba(20,150,168,.07);color:var(--teal-deep);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  opacity:.8;transition:opacity .2s,border-color .2s,background .2s,transform .2s}
.scroll-hint span{font-size:12.5px;font-weight:650;letter-spacing:.06em;white-space:nowrap}
.scroll-hint small{padding-left:10px;border-left:1px solid rgba(20,150,168,.3);
  font-family:var(--mono);font-size:9.5px;font-weight:700;letter-spacing:.18em;line-height:1}
.scroll-hint i{font-style:normal;font-size:11px;line-height:1;
  animation:hintBob 1.8s ease-in-out infinite}
@keyframes hintBob{0%,100%{transform:translateY(-1px);opacity:.95}50%{transform:translateY(3px);opacity:.5}}
.scroll-hint:hover,.scroll-hint:focus-visible{opacity:1;border-color:rgba(20,150,168,.5);
  background:rgba(20,150,168,.13);transform:translateX(-50%) translateY(-2px)}
.scroll-hint:focus-visible{outline:2px solid var(--teal);outline-offset:3px}
/* 深色板块上反白 */
.p-sec.dark .scroll-hint,.p-hero .scroll-hint{border-color:rgba(255,255,255,.26);
  background:rgba(255,255,255,.09);color:#dcecee}
.p-sec.dark .scroll-hint small,.p-hero .scroll-hint small{border-left-color:rgba(255,255,255,.3)}
.p-sec.dark .scroll-hint:hover,.p-hero .scroll-hint:hover{background:rgba(255,255,255,.16)}
/* 给版块底部留出指示器的位置，避免压住内容 */
.p-sec{padding-bottom:96px}
@media (max-width:980px){
  .scroll-hint{bottom:14px;min-height:32px;padding:0 13px;gap:7px}
  .scroll-hint span{font-size:11px}
  .scroll-hint small{padding-left:7px;font-size:8px}
  .p-sec{padding-bottom:78px}
}
@media (prefers-reduced-motion:reduce){ .scroll-hint i{animation:none} }

/* ===== clip-reveal：擦除式展开 ===== */
.a-clipx{clip-path:inset(0 0 0 100%);transform:translateX(28px);opacity:0;
  transition:clip-path .72s cubic-bezier(.22,1,.36,1),
             transform .72s cubic-bezier(.22,1,.36,1),
             opacity .4s ease}
.a-clipx.on{clip-path:inset(0 0 0 0);transform:none;opacity:1}
.a-clipy{clip-path:inset(0 100% 100% 0);opacity:0;
  transition:clip-path .72s cubic-bezier(.22,1,.36,1),opacity .4s ease}
.a-clipy.on{clip-path:inset(0 0 0 0);opacity:1}
@media (prefers-reduced-motion:reduce){
  .a-clipx,.a-clipx.on,.a-clipy,.a-clipy.on{clip-path:none;transform:none;opacity:1;transition:none}
}

/* ===== 工作台（板块 06）=====
   抽屉绝对定位 + translateX + clip-path —— 左侧对话区一帧都不重排。 */
.wb{position:relative;overflow:hidden;min-height:326px}
/* 对话区固定占左侧——抽屉滑进右侧空区，全程零重排、也不会盖住文字 */
.wb-chat{padding:20px 16px 18px;width:57%}
.wb-drawer{position:absolute;top:0;right:0;bottom:0;width:43%;
  background:var(--paper2);border-left:1px solid var(--line);
  display:flex;flex-direction:column;
  clip-path:inset(0 0 0 100%);transform:translateX(30px);opacity:0;
  transition:clip-path .72s cubic-bezier(.22,1,.36,1),
             transform .72s cubic-bezier(.22,1,.36,1),opacity .4s ease}
.wb-drawer.on{clip-path:inset(0 0 0 0);transform:none;opacity:1}
.wb-dh{display:flex;align-items:center;gap:8px;padding:11px 14px;
  border-bottom:1px solid var(--line);background:#fff}
.wb-dh strong{font-size:13.5px;color:var(--ink)}
.wb-dh span{font-family:var(--mono);font-size:11px;color:var(--muted);margin-left:auto}
.wb-items{padding:12px;display:flex;flex-direction:column;gap:10px;overflow:hidden}
.wb-item{background:#fff;border:1px solid var(--line);border-radius:10px;padding:11px 12px}
.wb-item header{display:flex;align-items:center;gap:9px}
.wb-item i{font-style:normal;width:26px;height:26px;border-radius:7px;flex:none;
  background:rgba(20,150,168,.1);color:var(--teal-deep);
  display:flex;align-items:center;justify-content:center;font-size:13px}
.wb-item i.gold{background:rgba(197,136,47,.14);color:var(--gold-deep)}
.wb-item b{display:block;font-size:13px;color:var(--ink);font-weight:600}
.wb-item small{display:block;font-size:11px;color:var(--muted);margin-top:1px}
.wb-thumb{margin-top:9px;height:72px;border-radius:6px;
  background:linear-gradient(180deg,rgba(20,150,168,.16),rgba(20,150,168,.03));
  display:flex;align-items:flex-end;gap:5px;padding:8px}
.wb-thumb i{flex:1;border-radius:3px 3px 0 0;background:var(--teal);height:100%;
  transform-origin:bottom;transform:scaleY(var(--s,.5));width:auto}
.wb-thumb i.gold{background:var(--gold)}
/* 就绪提示条 */
.wb-ready{display:flex;align-items:center;gap:8px;margin-top:12px;
  background:rgba(20,150,168,.08);border:1px solid rgba(20,150,168,.22);
  border-radius:8px;padding:8px 12px;font-size:13px;color:var(--teal-deep)}
.wb-ready strong{font-family:var(--mono);font-size:11px;margin-left:auto;letter-spacing:.1em}
@media (max-width:980px){
  .wb{min-height:0}
  .wb-chat{width:100%}
  .wb-drawer{position:static;width:100%;border-left:none;border-top:1px solid var(--line);
    clip-path:inset(0 0 100% 0);transform:none}
  .wb-drawer.on{clip-path:inset(0 0 0 0)}
}
@media (prefers-reduced-motion:reduce){
  .wb-drawer,.wb-drawer.on{clip-path:none;transform:none;opacity:1;transition:none}
}

/* ===== 生成式图表舞台（板块 01）===== */
.cs-prompt{display:flex;align-items:center;gap:8px;padding:11px 14px;
  border-bottom:1px solid var(--line);background:var(--paper2);font-size:14px;color:var(--ink)}
.cs-prompt b{font-weight:700;color:var(--teal-deep);min-width:4.2em;display:inline-block}
.cs-prompt em{font-style:normal;font-family:var(--mono);font-size:10px;letter-spacing:.16em;
  color:var(--muted);margin-left:auto;display:flex;align-items:center;gap:6px}
.cs-prompt em s{text-decoration:none;width:6px;height:6px;border-radius:50%;
  background:var(--gold);animation:hintBob 1.2s ease-in-out infinite}
.cs-tabs{display:flex;gap:6px;padding:10px 14px 0}
.cs-tabs span{font-size:11.5px;padding:4px 11px;border-radius:999px;
  border:1px solid var(--line);color:var(--muted);transition:all .3s}
.cs-tabs span[data-active="1"]{background:var(--teal);border-color:var(--teal);color:#fff}
.cs-stage{position:relative;height:212px;margin:8px 6px 0;overflow:hidden}
.cs-canvas{position:absolute;inset:0;
  transition:opacity .5s cubic-bezier(.22,1,.36,1),transform .5s cubic-bezier(.22,1,.36,1),
             filter .5s cubic-bezier(.22,1,.36,1)}
/* chart-swap 三态：待进场 / 在场 / 退场 */
.cs-canvas[data-phase="in"]{opacity:0;transform:translateY(16px) scale(.965);filter:blur(9px)}
.cs-canvas[data-phase="live"]{opacity:1;transform:none;filter:blur(0)}
.cs-canvas[data-phase="out"]{opacity:0;transform:translateY(-11px) scale(1.02);filter:blur(7px)}
.cs-wait{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:13px;color:var(--muted);gap:8px}
.cs-foot{font-family:var(--mono);font-size:10px;letter-spacing:.12em;color:var(--muted);
  padding:8px 14px 0;border-top:1px dashed var(--line);margin-top:8px}
@media (prefers-reduced-motion:reduce){
  .cs-canvas{transition:none;opacity:1 !important;transform:none !important;filter:none !important}
  .cs-prompt em s{animation:none}
}