/* ============================================================
   late. 公司研究 · 共用样式
   四家公司页（PDD / 腾讯 / 甲骨文 / 美光）与对比页共用
   设计 tokens 沿用全站：白底留白 / 一根主色 / 无外部依赖
   ============================================================ */
:root{
  --bg:#F7F8FA; --surface:#FFFFFF; --line:#E5E9F0;
  --ink:#1C2536; --ink-2:#3E4A5F; --muted:#8A93A6;
  --blue:#2563EB; --blue-soft:#EAF1FE;
  --green:#0B8A63; --green-soft:#E5F4EE;
  --amber:#C2730D; --amber-soft:#FBF0DF;
  --red:#B42318; --red-soft:#FEECEB;
  --purple:#6D28D9; --purple-soft:#F0EAFE;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --num:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink-2);background:var(--bg);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}

/* ---------- 导航 ---------- */
.nav{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.86);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:24px}
.brand{font-size:20px;font-weight:750;color:var(--ink);letter-spacing:-.01em;display:flex;align-items:baseline;gap:1px}
.brand .dot{color:var(--blue)}
.brand:hover{color:var(--blue)}
.nav-links{display:flex;gap:30px;font-size:15.5px;color:var(--ink-2)}
.nav-links a{transition:color .18s ease}
.nav-links a:hover{color:var(--blue)}
.nav-links a.on{color:var(--blue);font-weight:600}
.nav-mail{font-size:14px;color:var(--muted);white-space:nowrap}

/* ---------- 页头 ---------- */
.page-head{padding:64px 0 0}
.crumb{font-size:.85rem;color:var(--muted);margin-bottom:22px}
.crumb a:hover{color:var(--blue)}
.eyebrow{font-size:12px;letter-spacing:3px;color:var(--blue);font-weight:600;margin-bottom:10px}
h1{font-size:clamp(1.9rem,3.8vw,2.7rem);line-height:1.15;font-weight:760;color:var(--ink);letter-spacing:-.02em}
h1 .cn{font-weight:600;color:var(--ink-2);font-size:.72em;margin-left:10px;letter-spacing:0}
.lede{margin-top:14px;color:var(--ink-2);font-size:1.05rem;max-width:38em}
.role{margin-top:8px;color:var(--muted);font-size:.95rem}
.role b{color:var(--ink-2);font-weight:600}
.headmeta{margin-top:26px;padding-top:18px;border-top:1px solid var(--line);font-size:.86rem;color:var(--muted);display:flex;gap:18px;flex-wrap:wrap;align-items:center}
.st-badge{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;font-weight:600;padding:3px 11px;border-radius:999px}
.st-warn{color:#8A5308;background:var(--amber-soft);border:1px solid #EBD9BC}
.st-ok{color:#0A6B4D;background:var(--green-soft);border:1px solid #CBE6DA}
.fye{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;font-weight:600;padding:3px 11px;border-radius:999px;color:#1D4ED8;background:var(--blue-soft);border:1px solid #DBE7FD}

/* ---------- KPI ---------- */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(184px,1fr));gap:16px;margin:34px 0 6px}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px 18px 14px}
.kpi .k-label{font-size:.83rem;color:var(--muted);margin-bottom:8px}
.kpi .k-val{font-family:var(--num);font-size:1.5rem;font-weight:700;color:var(--ink);letter-spacing:-.01em;line-height:1.15}
.kpi .k-val small{font-size:.7em;font-weight:600;color:var(--muted);margin-left:4px}
.kpi .k-sub{display:flex;align-items:flex-end;justify-content:space-between;gap:10px;margin-top:10px;min-height:24px}
.kpi .k-delta{font-family:var(--num);font-size:.86rem;font-weight:600}
.up{color:var(--green)} .down{color:var(--red)} .flat{color:var(--muted)}
.kpi svg{display:block}

/* ---------- 区块 ---------- */
section{padding:56px 0 0}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:6px}
.sec-head h2{font-size:1.4rem;font-weight:730;color:var(--ink);letter-spacing:-.015em}
.sec-head .hint{font-size:.88rem;color:var(--muted)}
.sec-sub{color:var(--muted);font-size:.95rem;margin-bottom:22px;max-width:46em}

/* ---------- 表格 ---------- */
.table-wrap{background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.scroller{overflow-x:auto}
table{border-collapse:collapse;width:100%;min-width:660px}
th,td{padding:12px 16px;text-align:right;font-size:.94rem;border-bottom:1px solid var(--line);white-space:nowrap}
th:first-child,td:first-child{text-align:left;position:sticky;left:0;background:var(--surface);z-index:1}
thead th{font-size:.8rem;font-weight:600;color:var(--muted);letter-spacing:.02em;border-bottom:1px solid #DDE2EB}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover td{background:#FBFCFE}
tbody tr:hover td:first-child{background:#FBFCFE}
td.num,th.num{font-family:var(--num);font-variant-numeric:tabular-nums}
tr.hl td{background:#FFFCF5}
tr.hl:hover td{background:#FFF8EC}
.row-group td{background:#F9FAFC!important;font-size:.78rem;font-weight:700;color:var(--ink);letter-spacing:.06em;padding:9px 16px;border-bottom:1px solid var(--line)}
.m-label{display:flex;align-items:center;gap:7px}
.mark{font-size:.72rem;line-height:1;padding:2px 6px;border-radius:5px;font-weight:600}
.mark-cav{color:#8A5308;background:var(--amber-soft)}
.mark-pend{color:#6B7480;background:#EEF0F4}
.trend{display:inline-block;vertical-align:middle;margin-left:2px}
.pending{color:#B4BCCB}
.sub-note{font-size:.82rem;color:var(--muted);margin-top:10px;line-height:1.8}
.sub-note b{color:var(--ink-2)}
.sub-note code{font-family:var(--num);font-size:.95em;background:#F1F3F8;padding:1px 5px;border-radius:4px}

/* ---------- 季度图 ---------- */
.charts{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.chart-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px 18px 10px}
.chart-card h3{font-size:.98rem;font-weight:700;color:var(--ink);margin-bottom:2px}
.chart-card .c-sub{font-size:.82rem;color:var(--muted);margin-bottom:10px;line-height:1.6}
.chart-card svg{width:100%;height:auto;display:block}

/* ---------- 判断层（可编辑 · 本地保存） ---------- */
.thesis{margin-top:6px}
.edit-bar{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
          background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:10px 14px;margin-bottom:22px}
.save-state{font-size:.84rem;color:var(--muted);display:inline-flex;align-items:center;gap:7px}
.save-state .dotst{width:7px;height:7px;border-radius:50%;background:#22A06B;display:inline-block}
.save-state.off .dotst{background:var(--amber)}
.edit-actions{display:flex;gap:8px;flex-wrap:wrap}
.ebtn{border:1px solid #D7DEE9;background:var(--surface);color:var(--ink-2);height:32px;padding:0 13px;
      border-radius:999px;font-family:inherit;font-size:13.5px;cursor:pointer;transition:.15s ease}
.ebtn:hover{border-color:#C3CDDC;background:#FBFCFE}
.ebtn:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
.warnbar{display:none;background:var(--amber-soft);border:1px solid #EBD9BC;color:#8A5308;
         border-radius:12px;padding:12px 16px;font-size:.88rem;margin-bottom:20px;line-height:1.7}
.warnbar.show{display:block}
.q-list{list-style:none;display:flex;flex-direction:column;gap:14px}
.q-item{border-left:2px solid #CFD5DF;padding:2px 0 2px 20px}
.q-item .q-d{font-size:.92rem;color:var(--muted);margin-top:2px}
.q-item textarea{font-size:1.06rem;color:var(--ink);font-weight:620;line-height:1.6}
.slot{margin-top:20px;border-left:2px solid var(--blue);padding:2px 0 2px 20px}
.slot .slot-label{font-size:.78rem;font-weight:700;letter-spacing:.06em;color:var(--blue);margin-bottom:4px}
.slot textarea{font-size:1rem;color:var(--ink-2);line-height:1.85}
.thesis textarea{width:100%;border:1px solid transparent;background:transparent;border-radius:8px;
  font-family:inherit;color:inherit;line-height:inherit;resize:none;overflow:hidden;
  padding:6px 9px;margin-left:-9px;transition:background .15s ease,border-color .15s ease}
.thesis textarea:focus{outline:none;background:#FBFCFE;border-color:#D7DEE9}
.thesis textarea::placeholder{color:#B4BCCB}
.io-panel{display:none;margin-top:20px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px}
.io-panel.show{display:block}
.io-panel h4{font-size:.92rem;color:var(--ink);font-weight:700;margin-bottom:6px}
.io-panel p{font-size:.83rem;color:var(--muted);margin-bottom:10px;line-height:1.7}
.io-panel textarea{width:100%;min-height:180px;border:1px solid var(--line);border-radius:8px;padding:12px;
  font-family:var(--num);font-size:12.5px;line-height:1.6;color:var(--ink-2);background:#FBFCFE;resize:vertical}
.io-panel textarea:focus{outline:none;border-color:var(--blue)}
.io-row{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}

/* ---------- 来源 ---------- */
.src{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px 22px}
.src ul{list-style:none;display:flex;flex-direction:column;gap:12px}
.src li{display:grid;grid-template-columns:auto 1fr;gap:14px;font-size:.9rem;line-height:1.6}
.src .k{font-weight:600;color:var(--ink);white-space:nowrap}
.src .v{color:var(--muted)}
.src .v a{color:var(--blue)}
.log{margin-top:20px;padding-top:16px;border-top:1px solid var(--line);font-size:.87rem;color:var(--muted);line-height:2}
.log b{color:var(--ink-2)}
.disclaimer{margin:22px 0 0;font-size:.85rem;color:var(--muted);line-height:1.75}

/* ---------- 页脚 ---------- */
.foot{border-top:1px solid var(--line);background:var(--surface);padding:42px 0 52px;margin-top:64px}
.foot-inner{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;align-items:center}
.foot .f-brand{font-weight:700;color:var(--ink);font-size:15px}
.foot .f-brand .dot{color:var(--blue)}
.foot .f-mail{color:var(--muted);font-size:.92rem}
.foot .f-mail:hover{color:var(--blue)}
.foot .f-copy{color:var(--muted);font-size:.84rem}

/* ---------- 对比页 ---------- */
.cmp-legend{display:flex;gap:16px;flex-wrap:wrap;font-size:.83rem;color:var(--muted);margin:0 0 16px}
.cmp-legend i{display:inline-block;width:9px;height:9px;border-radius:3px;margin-right:6px;vertical-align:middle}
.bar-cell{display:flex;align-items:center;gap:9px;justify-content:flex-end}
.bar{height:7px;border-radius:4px;min-width:2px}
.cmp-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px 22px;margin-bottom:16px}
.cmp-card h3{font-size:1.02rem;font-weight:700;color:var(--ink);margin-bottom:6px}
.cmp-card p{font-size:.92rem;color:var(--muted);line-height:1.75}

@media (max-width:900px){.kpis{grid-template-columns:repeat(2,1fr)}}
@media (max-width:820px){.charts{grid-template-columns:1fr}}
@media (max-width:640px){
  .nav-mail{display:none}
  .nav-links{gap:16px;font-size:14px}
  .kpis{grid-template-columns:1fr}
  .src li{grid-template-columns:1fr;gap:4px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto}}