/* ========== 沪电股份股票数据中心 · 统一蓝色系样式（Hub + 子页合并版） ========== */
/* ========== CSS Variables ========== */
:root {
  --primary: #1457B8;
  --primary-hover: #1A6BC4;
  --primary-light: #E8F0FB;
  /* 别名（兼容主页旧类名引用） */
  --bg-primary: #ffffff;
  --bg-secondary: #f5f7fa;
  --bg-card: #ffffff;
  --bg-card-hover: #eef4fc;
  --bg-alt: #f5f7fa;
  --bg-hero: linear-gradient(180deg, #eef2f9 0%, #ffffff 100%);
  --bg: #F7F9FC;
  --white: #FFFFFF;
  --border: #e2e8f2;
  --border-light: #cfe0f7;
  --text-primary: #1a2433;
  --text-dark: #1a2433;
  --text-secondary: #5a6b82;
  --text-mid: #5a6b82;
  --text-muted: #8c97a8;
  /* 金融涨跌色：保留红涨绿跌 */
  --up: #C0392B;
  --down: #1E8E5A;
  --red: #1457B8;        /* 主页原红色主色 -> 统一蓝 */
  --red-bg: rgba(20,87,184,0.08);
  --red-light: #1A6BC4;
  --green: #1E8E5A;
  --green-bg: rgba(30,142,90,0.08);
  --blue: #1457B8;
  --amber: #B7791F;
  --amber-bg: rgba(183,121,31,0.08);
  --cyan: #0E7490;
  --nav-bg: #ffffff;
  --nav-border: #e2e8f2;
  --table-head-bg: #E8F0FB;
  --table-hover: #f7f9fc;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 24px rgba(20,87,184,0.14);
  --max-width: 1200px;
  --nav-height: 60px;
  --radius: 8px;
  --radius-lg: 12px;
}

/* ========== Reset & Base ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Noto Sans SC", -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }
.font-num { font-variant-numeric: tabular-nums; font-feature-settings:"tnum"; }
h2 { font-size: clamp(20px,3vw,26px); font-weight: 800; margin: 10px 0 16px; }
h3 { font-size: 17px; font-weight: 700; margin: 18px 0 8px; }
h4 { font-size: 15px; font-weight: 800; margin: 0 0 8px; }
p { margin-bottom: 12px; }

/* ========== Progress Bar ========== */
.progress-bar { position: fixed; top: 0; left: 0; height: 3px; z-index: 9999; background: var(--primary); width: 0; transition: width 0.1s; }

/* ========== Navigation ========== */
nav {
  position: fixed; top: 0; left: 0; right: 0; height: var(--nav-height);
  background: rgba(255,255,255,0.96); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--nav-border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; z-index: 1000;
}
.nav-logo { font-weight: 900; font-size: 18px; color: var(--primary); text-decoration: none; display: flex; align-items: center; gap: 7px; white-space: nowrap; }
.nav-logo span { color: var(--text-dark); font-weight: 700; font-size: 15px; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a, .nav-link { font-size: 14px; font-weight: 600; color: var(--text-dark); padding: 8px 12px; border-radius: 8px; transition: all 0.2s; text-decoration: none; white-space: nowrap; display: inline-block; }
.nav-links a:hover, .nav-link:hover { color: var(--primary); background: var(--primary-light); text-decoration: none; }
.nav-link.active { color: var(--primary); background: var(--primary-light); }
.nav-cta { background: var(--primary) !important; color: #fff !important; padding: 9px 18px !important; border-radius: 8px !important; font-weight: 700 !important; font-size: 13px !important; }
.nav-cta:hover { background: var(--primary-hover) !important; }
.hamburger { display: none; background: var(--bg-alt); border: 1px solid var(--border); color: var(--text-dark); padding: 7px 14px; border-radius: 8px; font-size: 14px; font-weight: 600; cursor: pointer; }
/* Nav Dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown > span { font-size: 14px; font-weight: 600; color: var(--text-dark); padding: 8px 12px; border-radius: 8px; cursor: pointer; display: inline-block; }
.nav-dropdown:hover > span { color: var(--primary); background: var(--primary-light); }
.nav-dropdown-menu { display: none; position: absolute; top: 100%; left: 0; background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; box-shadow: var(--shadow-md); padding: 6px 0; min-width: 180px; z-index: 100; }
.nav-dropdown:hover .nav-dropdown-menu { display: block; }
.nav-dropdown-menu a { display: block; padding: 8px 16px; font-size: 13px; color: var(--text-secondary); border-radius: 0; }
.nav-dropdown-menu a:hover { background: var(--primary-light); color: var(--primary); }

/* ========== 子页：面包屑 / 页头 ========== */
.crumb { max-width: 980px; margin: 0 auto; padding: 80px 28px 0; font-size: 13px; color: var(--text-mid); }
.crumb a { color: var(--primary); }
.page-head { max-width: 980px; margin: 0 auto; padding: 18px 28px 8px; }
.page-label { display: inline-block; background: var(--primary-light); color: var(--primary); font-size: 12px; font-weight: 700; padding: 5px 14px; border-radius: 20px; letter-spacing: 1px; margin-bottom: 14px; }
.page-head h1 { font-size: clamp(24px,4vw,38px); font-weight: 900; line-height: 1.3; }
.page-head h1 .accent { color: var(--primary); }
.page-lead { font-size: 16px; color: var(--text-mid); margin-top: 14px; max-width: 760px; }
.prose p, .prose li { font-size: 15px; color: var(--text-dark); }
.prose ul { margin: 8px 0 14px 22px; } .prose li { margin-bottom: 6px; }

/* ========== Section Commons ========== */
.section { max-width: var(--max-width); margin: 0 auto; padding: 28px 24px; }
.section-gray { background: var(--bg-secondary); }
.section-head { text-align: center; margin-bottom: 36px; }
.section-label { display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 1px; padding: 4px 12px; border-radius: 4px; margin-bottom: 12px; color: var(--primary); background: var(--primary-light); }
.section-title { font-size: clamp(22px,3vw,30px); font-weight: 800; margin-bottom: 12px; line-height: 1.3; color: var(--text-primary); }
.section-desc { font-size: 15px; color: var(--text-secondary); max-width: 720px; margin: 0 auto; line-height: 1.7; }
.section-desc strong { color: var(--text-primary); }

/* ========== Hero（主页） ========== */
.hero { padding-top: calc(var(--nav-height) + 30px); padding-bottom: 30px; background: var(--bg-hero); position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: -30%; right: -10%; width: 500px; height: 500px; border-radius: 50%; background: radial-gradient(circle, rgba(20,87,184,0.06) 0%, transparent 70%); pointer-events: none; }
.hero-inner { max-width: var(--max-width); margin: 0 auto; padding: 30px 24px; position: relative; z-index: 1; display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center; }
.hero h1 { font-size: clamp(26px,4vw,40px); font-weight: 900; line-height: 1.25; margin-bottom: 16px; }
.hero h1 .accent { color: var(--primary); }
.hero-sub { font-size: 16px; color: var(--text-secondary); line-height: 1.7; max-width: 560px; margin-bottom: 20px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.hero-tag { display: inline-flex; align-items: center; gap: 4px; font-size: 13px; font-weight: 600; padding: 5px 14px; border-radius: 20px; background: var(--bg-alt); border: 1px solid var(--border); color: var(--text-secondary); }
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }
.btn-ghost { display: inline-flex; align-items: center; gap: 6px; background: transparent; color: var(--text-primary) !important; border: 1px solid var(--border-light); font-weight: 600; font-size: 15px; padding: 11px 24px; border-radius: var(--radius); text-decoration: none; transition: all 0.2s; }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary) !important; text-decoration: none; }
.trust-bar { display: flex; flex-wrap: wrap; gap: 12px 18px; font-size: 13px; color: var(--text-muted); }

/* ========== btn-primary（统一蓝色） ========== */
.btn-primary { display: inline-flex; align-items: center; gap: 6px; background: var(--primary); color: #fff !important; font-weight: 700; font-size: 15px; padding: 13px 28px; border-radius: var(--radius); text-decoration: none; box-shadow: 0 6px 18px rgba(20,87,184,.22); transition: background 0.2s; }
.btn-primary:hover { background: var(--primary-hover); text-decoration: none; }

/* ========== Preview Card（主页 Hero 右侧速览卡） ========== */
.preview-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; box-shadow: var(--shadow-md); }
.preview-head { display: flex; justify-content: space-between; align-items: flex-start; padding-bottom: 16px; border-bottom: 1px solid var(--border); margin-bottom: 16px; }
.pname { font-size: 20px; font-weight: 800; color: var(--text-primary); }
.pcode { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.preview-price { font-size: 28px; font-weight: 900; color: var(--up); }
.preview-chg { font-size: 14px; font-weight: 700; color: var(--up); }
.preview-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.preview-grid .k { font-size: 12px; color: var(--text-muted); margin-bottom: 4px; }
.preview-grid .v { font-size: 17px; font-weight: 700; color: var(--text-primary); }
.preview-note { font-size: 11px; color: var(--text-muted); margin-top: 16px; padding-top: 12px; border-top: 1px solid var(--border); text-align: center; }

/* ========== Data Dashboard ========== */
.data-dash { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin: 8px 0 12px; }
.data-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 18px; text-align: center; transition: all 0.2s; box-shadow: var(--shadow-sm); }
.data-card:hover { border-color: var(--primary); background: var(--bg-card-hover); box-shadow: var(--shadow-md); }
.data-label { font-size: 13px; color: var(--text-mid); }
.data-value { font-size: 23px; font-weight: 900; color: var(--text-primary); margin: 6px 0 2px; }
.data-value.up { color: var(--up); }
.data-value.down { color: var(--down); }
.data-sub { font-size: 12px; color: var(--text-mid); }

/* ========== Comparison Table ========== */
.comp-table { width: 100%; border-collapse: collapse; font-size: 14px; background: var(--bg-card); border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); margin: 8px 0 14px; box-shadow: var(--shadow-sm); }
.comp-table thead, .comp-table th { background: var(--table-head-bg); }
.comp-table th { padding: 12px 16px; text-align: left; font-weight: 700; color: var(--primary); font-size: 13px; border-bottom: 1px solid var(--border); }
.comp-table td { padding: 11px 16px; border-top: 1px solid var(--border); color: var(--text-primary); vertical-align: top; }
.comp-table tr:hover td { background: var(--table-hover); }
.comp-table .val-up { color: var(--up); font-weight: 700; }
.comp-table .val-down { color: var(--down); font-weight: 700; }

/* ========== Hub Grid（主页专题卡） ========== */
.hub-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.hub-card { display: block; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; text-decoration: none; transition: all 0.25s; position: relative; box-shadow: var(--shadow-sm); }
.hub-card:hover { border-color: var(--primary); background: var(--bg-card-hover); transform: translateY(-2px); text-decoration: none; box-shadow: var(--shadow-lg); }
.hub-icon { font-size: 28px; margin-bottom: 12px; }
.hub-title { font-size: 16px; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; line-height: 1.4; }
.hub-desc { font-size: 13px; color: var(--text-secondary); line-height: 1.6; margin-bottom: 12px; }
.hub-link { font-size: 13px; font-weight: 700; color: var(--primary); }

/* ========== note-box ========== */
.note-box { background: var(--primary-light); border-left: 4px solid var(--primary); border-radius: 8px; padding: 14px 18px; font-size: 14px; color: var(--text-dark); margin: 14px 0; }

/* ========== cta-inline（子页内嵌CTA） ========== */
.cta-inline { background: var(--white); border: 1px solid var(--border); border-radius: 12px; padding: 22px; text-align: center; margin: 18px 0; }
.cta-inline p { font-size: 15px; color: var(--text-mid); max-width: 640px; margin: 0 auto 16px; }

/* ========== CTA Band（主页） ========== */
.cta-band { text-align: center; padding: 60px 24px; background: linear-gradient(135deg, #eef4fc 0%, #fff 100%); border-top: 1px solid var(--border); }
.cta-band h2 { font-size: clamp(22px,3vw,30px); font-weight: 800; margin-bottom: 14px; color: var(--text-primary); }
.cta-band p { font-size: 15px; color: var(--text-secondary); max-width: 680px; margin: 0 auto 24px; line-height: 1.7; }

/* ========== related 相关阅读 ========== */
.related { max-width: 980px; margin: 0 auto; padding: 8px 28px 40px; }
.related h3 { font-size: 15px; color: var(--text-mid); margin-bottom: 12px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.related-card { background: var(--white); border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; font-size: 14px; font-weight: 600; color: var(--text-dark); transition: .2s; }
.related-card:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.related-card span { display: block; font-size: 12px; color: var(--text-mid); font-weight: 400; margin-top: 4px; }

/* ========== Footer（主页为浅色，子页为深色——统一为深色，主页若用浅色类自带覆盖） ========== */
footer { border-top: 1px solid var(--border); background: var(--text-dark); color: #aebbd0; font-size: 13px; padding: 36px 28px 26px; }
.footer-inner { max-width: 980px; margin: 0 auto; }
.footer-index-title { font-size: 14px; font-weight: 700; color: #cdd7e6; margin-bottom: 12px; }
.footer-index { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-bottom: 24px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-index a { font-size: 13px; color: #cdd7e6; text-decoration: none; padding: 4px 10px; border-radius: 4px; transition: all 0.2s; }
.footer-index a:hover { color: #fff; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-bottom: 20px; }
.footer-nav a { color: #cdd7e6; margin-right: 18px; font-size: 13px; text-decoration: none; }
.footer-nav a:hover { color: #fff; text-decoration: none; }
.footer-legal { font-size: 12px; color: #7585a0; line-height: 1.8; margin-top: 16px; }
.footer-disclaimer { font-size: 12px; color: #6b7a96; margin-top: 8px; line-height: 1.7; }

/* ========== Scroll Reveal ========== */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ========== flow4 流程（quote/分析页） ========== */
.flow4 { display: flex; align-items: stretch; gap: 6px; margin: 14px 0 4px; flex-wrap: nowrap; }
.flow-step { flex: 1; background: var(--white); border: 1px solid var(--border); border-radius: 12px; padding: 18px 12px 12px; text-align: center; position: relative; transition: transform .2s; }
.flow-step:hover { transform: translateY(-3px); border-color: var(--primary); }
.flow-num { position: absolute; top: -10px; left: 50%; transform: translateX(-50%); width: 22px; height: 22px; border-radius: 50%; background: var(--primary); color: #fff; font-size: 12px; font-weight: 900; display: flex; align-items: center; justify-content: center; }
.flow-ico { font-size: 26px; margin: 6px 0 8px; }
.flow-t { font-size: 13.5px; font-weight: 800; color: var(--text-dark); margin-bottom: 5px; }
.flow-d { font-size: 11.5px; color: var(--text-mid); line-height: 1.6; min-height: 50px; }
.flow-d code { font-size: 10.5px; color: var(--primary); word-break: break-all; background: var(--primary-light); padding: 1px 4px; border-radius: 4px; }
.flow-note { font-size: 11px; color: var(--primary); font-weight: 700; margin-top: 8px; }
.flow-arrow { display: flex; align-items: center; color: var(--primary); font-size: 20px; font-weight: 900; flex-shrink: 0; }

/* ========== skill-grid（quote 真实能力卡） ========== */
.skill-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 14px 0; }
.skill-card { background: var(--white); border: 1px solid var(--border); border-radius: 12px; padding: 16px; border-top: 3px solid var(--primary); transition: .2s; }
.skill-card:hover { transform: translateY(-2px); border-color: var(--primary); box-shadow: 0 6px 18px rgba(20,87,184,.10); }
.skill-card .sk { font-size: 14px; font-weight: 800; color: var(--primary); margin-bottom: 6px; }
.skill-card .sd { font-size: 12.5px; color: var(--text-mid); line-height: 1.6; }

/* ========== demo-shot（quote 界面示意·左右双栏） ========== */
.demo-shot { background: var(--white); border: 1px solid var(--border); border-radius: 14px; overflow: hidden; margin: 16px 0 6px; box-shadow: 0 6px 22px rgba(20,87,184,.10); }
.demo-bar { display: flex; align-items: center; gap: 6px; background: var(--primary-light); padding: 9px 14px; border-bottom: 1px solid var(--border); }
.demo-bar i { width: 10px; height: 10px; border-radius: 50%; background: #cdd7e6; display: inline-block; }
.demo-bar .dt { margin-left: 8px; font-size: 12px; font-weight: 700; color: var(--primary); }
.demo-bar .badge { margin-left: auto; font-size: 11px; font-weight: 700; color: #fff; background: var(--amber); padding: 2px 8px; border-radius: 10px; }
.demo-body { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
.demo-left { padding: 14px 16px; border-right: 1px solid var(--border); }
.demo-right { padding: 14px 16px; }
.demo-prompt-label { font-size: 11px; color: var(--text-mid); font-weight: 700; margin-bottom: 6px; }
.demo-prompt { background: #0f1b2d; color: #e6eefc; border-radius: 8px; padding: 11px 13px; font-size: 12.5px; font-family: Consolas, Menlo, monospace; line-height: 1.6; word-break: break-all; }
.demo-prompt .cmd { color: #5fa8ff; font-weight: 700; } .demo-prompt .arg { color: #ffd866; }
.demo-tip { font-size: 11px; color: var(--text-mid); line-height: 1.6; margin-top: 8px; }
.demo-tip code { font-size: 10.5px; color: var(--primary); background: var(--primary-light); padding: 1px 4px; border-radius: 4px; }
.demo-right .rt { font-size: 12px; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.demo-meta { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-top: 8px; font-size: 11px; color: var(--text-mid); }
.demo-foot { font-size: 11px; color: var(--text-mid); background: var(--bg); padding: 8px 14px; border-top: 1px solid var(--border); text-align: center; }

/* ========== concept-sector：题材标签 / why-grid / pro-con ========== */
.htags { display: flex; flex-wrap: wrap; gap: 8px; margin: 6px 0 16px; }
.htag { display: inline-flex; align-items: center; font-size: 13px; font-weight: 700; color: var(--primary); background: var(--primary-light); border: 1px solid var(--border-light); border-radius: 20px; padding: 6px 14px; }
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 14px 0; }
.why-card { background: var(--white); border: 1px solid var(--border); border-radius: 12px; padding: 16px; text-align: center; border-top: 3px solid var(--primary); transition: .2s; }
.why-card:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(20,87,184,.10); }
.why-card .wt { font-size: 13px; color: var(--text-mid); font-weight: 600; }
.why-card .wn { font-size: 22px; font-weight: 900; color: var(--primary); margin: 6px 0 6px; font-variant-numeric: tabular-nums; }
.why-card .wd { font-size: 12px; color: var(--text-mid); line-height: 1.6; }
.pro-con { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 14px 0; }
.pc-box { border-radius: 12px; padding: 18px 20px; border: 1px solid var(--border); background: var(--white); }
.pc-box h4 { font-size: 15px; font-weight: 800; margin-bottom: 10px; }
.pc-box ul { margin: 0 0 0 18px; }
.pc-box li { font-size: 13.5px; color: var(--text-dark); margin-bottom: 7px; line-height: 1.6; }
.pc-pro { border-top: 3px solid var(--down); } .pc-pro h4 { color: var(--down); }
.pc-con { border-top: 3px solid var(--up); } .pc-con h4 { color: var(--up); }

/* ========== stock-analysis：检查清单 / 模拟步骤 ========== */
.chk { background: var(--white); border: 1px solid var(--border); border-radius: 12px; padding: 18px 20px; margin: 12px 0; border-left: 4px solid var(--primary); }
.chk-h { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.chk-n { width: 26px; height: 26px; border-radius: 50%; background: var(--primary); color: #fff; font-size: 13px; font-weight: 900; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.chk-t { font-size: 16px; font-weight: 800; color: var(--text-dark); }
.chk-fact { font-size: 14px; color: var(--text-dark); line-height: 1.7; margin-bottom: 8px; }
.chk-fact b { color: var(--primary); }
.chk-ask { font-size: 13.5px; color: var(--text-mid); line-height: 1.7; background: var(--bg); border-radius: 8px; padding: 10px 14px; }
.chk-ask::before { content: "自问："; font-weight: 700; color: var(--amber); }
.sim-steps { counter-reset: sim; margin: 14px 0; }
.sim-step { counter-increment: sim; position: relative; background: var(--white); border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px 14px 52px; margin-bottom: 10px; font-size: 14px; color: var(--text-dark); line-height: 1.7; }
.sim-step::before { content: counter(sim); position: absolute; left: 14px; top: 14px; width: 26px; height: 26px; border-radius: 50%; background: var(--primary-light); color: var(--primary); font-size: 13px; font-weight: 900; display: flex; align-items: center; justify-content: center; }
.sim-step code { font-size: 13px; color: var(--primary); background: var(--primary-light); padding: 1px 6px; border-radius: 4px; font-weight: 700; }

/* ========== news：结论框 / 时间线 ========== */
.verdict { background: linear-gradient(135deg,#eef4fc 0%,var(--white) 100%); border: 1px solid var(--border-light); border-left: 4px solid var(--primary); border-radius: 12px; padding: 18px 20px; margin: 12px 0; font-size: 15px; color: var(--text-dark); line-height: 1.8; }
.verdict strong { color: var(--primary); }
.tl { position: relative; margin: 14px 0 8px; padding-left: 24px; }
.tl::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px; background: var(--border); }
.tl-item { position: relative; background: var(--white); border: 1px solid var(--border); border-radius: 12px; padding: 14px 18px; margin-bottom: 12px; }
.tl-item::before { content: ""; position: absolute; left: -21px; top: 20px; width: 12px; height: 12px; border-radius: 50%; background: var(--primary); border: 3px solid var(--white); box-shadow: 0 0 0 1px var(--border); }
.tl-date { font-size: 14px; font-weight: 800; color: var(--primary); margin-right: 10px; }
.tl-tag { display: inline-block; font-size: 11px; font-weight: 700; color: var(--text-mid); background: var(--bg); border: 1px solid var(--border); border-radius: 20px; padding: 2px 10px; vertical-align: middle; }
.tl-txt { font-size: 14px; color: var(--text-dark); line-height: 1.7; margin: 8px 0 6px; }
.tl-src { font-size: 12px; color: var(--text-mid); }

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .hub-grid { grid-template-columns: repeat(2, 1fr); }
  .data-dash { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open { display: flex; flex-direction: column; align-items: stretch; position: absolute; top: var(--nav-height); left: 0; right: 0; background: var(--bg-card); border-bottom: 1px solid var(--border); padding: 10px; gap: 2px; box-shadow: var(--shadow-md); }
  .nav-links.open > a { width: 100%; }
  .nav-dropdown-menu { position: static; display: block; box-shadow: none; border: none; padding: 0; }
  .hamburger { display: inline-block; }
  .hero-inner { grid-template-columns: 1fr; gap: 24px; }
  .hub-grid { grid-template-columns: 1fr; }
  .data-dash { grid-template-columns: repeat(2, 1fr); }
  .related-grid { grid-template-columns: 1fr; }
  .skill-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 24px; }
  .hero-btns { flex-direction: column; }
  .btn-primary, .btn-ghost { width: 100%; justify-content: center; }
}
@media (max-width: 600px) {
  .flow4 { flex-direction: column; }
  .flow-arrow { transform: rotate(90deg); justify-content: center; padding: 2px 0; }
  .flow-d { min-height: 0; }
  .demo-body { grid-template-columns: 1fr; }
  .demo-left { border-right: none; border-bottom: 1px solid var(--border); }
  .pro-con { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .data-dash { grid-template-columns: 1fr 1fr; gap: 8px; }
  .data-value { font-size: 18px; }
  .preview-grid { gap: 10px; }
  .skill-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
}


/* ========== fundamental：KPI / 柱状趋势 / 数据表 / demo上下结构 ========== */
.kpi-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 8px 0 16px; }
.kpi { background: var(--white); border: 1px solid var(--border); border-radius: 12px; padding: 16px; text-align: center; border-top: 3px solid var(--primary); }
.kpi .kl { font-size: 13px; color: var(--text-mid); }
.kpi .kv { font-size: 24px; font-weight: 900; color: var(--primary); font-variant-numeric: tabular-nums; margin: 5px 0 2px; }
.kpi .ks { font-size: 12px; color: var(--up); font-weight: 700; }
.bar-row { display: flex; align-items: center; gap: 10px; margin: 7px 0; }
.bar-yr { width: 62px; font-size: 13px; font-weight: 700; color: var(--text-dark); flex-shrink: 0; }
.bar-track { flex: 1; background: var(--bg); border-radius: 6px; height: 24px; position: relative; overflow: hidden; }
.bar-fill { height: 100%; background: linear-gradient(90deg, var(--primary), var(--primary-hover)); border-radius: 6px; display: flex; align-items: center; justify-content: flex-end; padding-right: 8px; color: #fff; font-size: 12px; font-weight: 700; font-variant-numeric: tabular-nums; }
.bar-fill.ongoing { background: repeating-linear-gradient(45deg, #9db8e0, #9db8e0 6px, #b4c7e8 6px, #b4c7e8 12px); color: #1a2433; }
.bar-cap { font-size: 12px; color: var(--text-mid); margin: 2px 0 14px 72px; }
.demo-in { padding: 14px 16px; border-bottom: 1px solid var(--border); }
.demo-in .lab { font-size: 11px; color: var(--text-mid); font-weight: 700; margin-bottom: 6px; }
.demo-out { padding: 14px 16px; }
.demo-out .rt { font-size: 12px; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.dm-table { width: 100%; border-collapse: collapse; font-size: 11.5px; margin-bottom: 6px; }
.dm-table th { background: var(--primary-light); color: var(--primary); padding: 5px 8px; text-align: left; font-weight: 700; }
.dm-table td { padding: 5px 8px; border-top: 1px solid var(--border); font-variant-numeric: tabular-nums; }
@media (max-width: 600px) { .kpi-row { grid-template-columns: 1fr; } }


/* ========== pcb-peers-compare：同行对比专用 ========== */
/* 对比大表 */
.cmp-wrap { overflow-x: auto; margin: 8px 0 14px; }
.cmp { width: 100%; min-width: 560px; border-collapse: collapse; background: var(--white); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.cmp th { background: var(--primary); color: #fff; font-size: 13px; font-weight: 700; padding: 11px 12px; text-align: left; white-space: nowrap; }
.cmp td { font-size: 13px; padding: 10px 12px; border-top: 1px solid var(--border); font-variant-numeric: tabular-nums; }
.cmp tr.self { background: var(--primary-light); }
.cmp tr.self td { font-weight: 700; color: var(--text-dark); }
.cmp .nm { font-weight: 700; }
.tagline { display: inline-block; font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 10px; background: #eef3fb; color: var(--primary); }
/* 同行对比页的结论卡：深蓝渐变白字（用 .verdict.cmp-verdict 区分 news 页的浅色 verdict） */
.verdict.cmp-verdict { background: linear-gradient(135deg, #1457B8, #1A6BC4); color: #fff; border: none; border-radius: 14px; padding: 20px 22px; margin: 8px 0 18px; }
.verdict.cmp-verdict h3 { color: #fff; font-size: 17px; margin: 0 0 10px; }
.verdict.cmp-verdict p { font-size: 14px; line-height: 1.7; margin: 0; opacity: .96; color: #fff; }
.verdict.cmp-verdict b { color: #ffd866; }
.verdict.cmp-verdict strong { color: #ffd866; }
/* 细分定位卡 */
.seg-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 8px 0 16px; }
.seg-card { background: var(--white); border: 1px solid var(--border); border-radius: 12px; padding: 15px 17px; border-top: 3px solid var(--primary); }
.seg-card .sn { font-size: 15px; font-weight: 800; color: var(--text-dark); }
.seg-card .sb { font-size: 12px; font-weight: 700; color: var(--primary); background: var(--primary-light); display: inline-block; padding: 1px 8px; border-radius: 8px; margin: 5px 0 6px; }
.seg-card .sd { font-size: 13px; color: var(--text-mid); line-height: 1.6; }
/* 护城河框 */
.moat-box { background: #eef6ff; border: 1px solid #cfe0f5; border-radius: 12px; padding: 16px 18px; margin: 8px 0 14px; }
.moat-box h4 { font-size: 14px; font-weight: 800; color: var(--primary); margin-bottom: 8px; }
.moat-box ul { margin: 0 0 0 18px; } .moat-box li { font-size: 13.5px; color: var(--text-dark); margin-bottom: 5px; line-height: 1.6; }
/* 对号入座卡 */
.pick { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 8px 0 14px; }
.pick-card { background: var(--white); border: 1px solid var(--border); border-radius: 10px; padding: 13px 15px; font-size: 13px; color: var(--text-dark); line-height: 1.6; }
.pick-card b { color: var(--primary); }
/* DIY 引导块 */
.diy { background: var(--white); border: 1px solid var(--border); border-radius: 12px; padding: 18px 20px; margin: 8px 0 16px; }
.diy-h { font-size: 15px; font-weight: 800; color: var(--text-dark); margin-bottom: 4px; }
.diy-sub { font-size: 13px; color: var(--text-mid); margin-bottom: 12px; }
.diy-steps { counter-reset: d; margin: 0; }
.diy-step { position: relative; padding: 10px 0 10px 40px; border-top: 1px dashed var(--border); font-size: 13.5px; color: var(--text-dark); line-height: 1.6; }
.diy-step:first-child { border-top: none; }
.diy-step::before { counter-increment: d; content: counter(d); position: absolute; left: 4px; top: 11px; width: 24px; height: 24px; border-radius: 50%; background: var(--primary); color: #fff; font-weight: 900; font-size: 12px; display: flex; align-items: center; justify-content: center; }
.diy-step b { color: var(--primary); }
.diy-step code { background: var(--primary-light); color: var(--primary); padding: 1px 6px; border-radius: 4px; font-size: 12.5px; }
/* dm-table 高亮行（pcb 用） */
.dm-table tr.hl td { background: #eef3fb; font-weight: 700; }
@media (max-width: 600px) { .seg-grid, .pick { grid-template-columns: 1fr; } }