/* ============================================================
   鱼谷智能科技集团 —— 全局样式 v3
   深海蓝(#0A1A38) × 香槟金(#C9A961) 高端商务
   ============================================================ */

:root {
  --primary: #0A1A38;
  --primary-dark: #060F22;
  --primary-mid: #10274E;
  --primary-light: #1B3A66;
  --accent: #C9A961;
  --accent-light: #E2C884;
  --accent-deep: #A8873F;
  --accent-soft: rgba(201, 169, 97, 0.12);
  --text-white: #F4F1E9;
  --text-light: #9AA5BA;
  --text-muted: #6B7688;
  --ink: #16202F;
  --bg: #FFFFFF;
  --bg-alt: #F4F6FA;
  --border: #E4E9F1;
  --radius: 16px;
  --radius-lg: 22px;
  --shadow: 0 10px 40px rgba(10, 26, 56, 0.10);
  --shadow-lg: 0 24px 70px rgba(10, 26, 56, 0.18);
  --gold-glow: 0 8px 30px rgba(201, 169, 97, 0.28);
  --font: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  --mono: "SF Mono", "JetBrains Mono", "Roboto Mono", Consolas, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; transition: color .25s; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ============ 头部导航 ============ */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  transition: all .4s;
  background: transparent;
}
.site-header.scrolled {
  background: rgba(6, 15, 34, 0.88);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(201, 169, 97, 0.2);
  box-shadow: 0 4px 30px rgba(6, 15, 34, 0.4);
}
.nav-container {
  max-width: 1280px; margin: 0 auto;
  padding: 0 32px; height: 80px;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  transition: height .4s;
}
.site-header.scrolled .nav-container { height: 68px; }
.nav-brand { display: flex; align-items: center; gap: 13px; }
.brand-icon {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-deep) 100%);
  color: var(--primary-dark); font-weight: 800; font-size: 15px;
  border-radius: 12px; letter-spacing: 1px;
  box-shadow: 0 4px 14px rgba(201, 169, 97, 0.35);
}
.brand-text { color: var(--text-white); font-weight: 700; font-size: 17px; line-height: 1.2; }
.brand-sub { color: var(--accent-light); font-size: 9.5px; letter-spacing: 2px; line-height: 1.4; }
.nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 26px; cursor: pointer; }
.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-menu li a {
  display: block; padding: 9px 15px;
  color: rgba(244, 241, 233, 0.8);
  font-size: 14.5px; font-weight: 500;
  border-radius: 9px; transition: all .25s;
  position: relative;
}
.nav-menu li a:hover { color: var(--accent-light); }
.nav-menu li a.active { color: var(--accent-light); font-weight: 600; }
.nav-menu li a.active::after {
  content: ""; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%);
  width: 18px; height: 2px; background: var(--accent); border-radius: 2px;
}
.nav-cta {
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  color: var(--primary-dark) !important; font-weight: 700 !important;
  padding: 10px 22px !important; border-radius: 26px !important;
  box-shadow: var(--gold-glow);
}
.nav-cta::after { display: none; }
.nav-cta:hover { transform: translateY(-2px); color: var(--primary-dark) !important; }

/* ============ 全屏首屏 hero ============ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  background-size: cover; background-position: center;
  color: var(--text-white);
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(6,15,34,0.72) 0%, rgba(6,15,34,0.55) 45%, rgba(6,15,34,0.92) 100%),
    linear-gradient(105deg, rgba(6,15,34,0.85) 0%, rgba(6,15,34,0.35) 60%, transparent 100%);
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(201,169,97,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,169,97,0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 30% 50%, #000 0%, transparent 70%);
}
.hero-inner {
  position: relative; z-index: 2;
  max-width: 1280px; margin: 0 auto;
  padding: 120px 32px 80px; width: 100%;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 8px 18px;
  border: 1px solid rgba(201, 169, 97, 0.4);
  border-radius: 30px;
  background: rgba(201, 169, 97, 0.08);
  font-size: 13px; color: var(--accent-light); letter-spacing: 1px;
}
.hero-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px var(--accent); }
.hero h1 {
  font-size: clamp(38px, 6vw, 68px);
  font-weight: 800; line-height: 1.15;
  margin: 26px 0 20px; letter-spacing: 2px;
}
.hero h1 .gold {
  background: linear-gradient(120deg, var(--accent-light), var(--accent), var(--accent-deep));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero .hero-sub { font-size: clamp(17px, 2.2vw, 22px); color: rgba(244,241,233,0.85); margin-bottom: 16px; font-weight: 500; letter-spacing: 1px; }
.hero .hero-desc { font-size: 16px; color: var(--text-light); max-width: 580px; margin-bottom: 38px; }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-scroll {
  position: absolute; bottom: 34px; left: 50%; transform: translateX(-50%);
  z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: rgba(244,241,233,0.55); font-size: 11px; letter-spacing: 2px;
}
.hero-scroll .mouse {
  width: 22px; height: 36px; border: 2px solid rgba(201,169,97,0.5); border-radius: 12px;
  display: flex; justify-content: center; padding-top: 6px;
}
.hero-scroll .mouse i { width: 3px; height: 7px; background: var(--accent); border-radius: 3px; animation: scrollDot 1.8s infinite; }
@keyframes scrollDot { 0% { transform: translateY(0); opacity: 1; } 100% { transform: translateY(12px); opacity: 0; } }

/* hero 数据条 */
.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 20px; margin-top: 56px; max-width: 720px;
}
.hero-stat .num {
  font-family: var(--mono); font-size: clamp(28px, 3.4vw, 40px); font-weight: 700;
  color: var(--accent-light); line-height: 1;
}
.hero-stat .num .unit { font-size: .55em; color: var(--accent); margin-left: 2px; }
.hero-stat .label { font-size: 13px; color: var(--text-light); margin-top: 8px; }

/* ============ 通用 section ============ */
.section { padding: 110px 32px; position: relative; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: linear-gradient(160deg, var(--primary-dark), var(--primary) 55%, #0C2144); }
.container { max-width: 1280px; margin: 0 auto; }
.section-header { max-width: 760px; margin: 0 auto 64px; }
.section-header.center { text-align: center; margin-left: auto; margin-right: auto; }
.section-header .eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--accent-deep); font-size: 13px; font-weight: 700; letter-spacing: 3px; text-transform: uppercase;
}
.section-header .eyebrow::before { content: ""; width: 28px; height: 1px; background: var(--accent); }
.section-header.center .eyebrow::after { content: ""; width: 28px; height: 1px; background: var(--accent); }
.section-header h2 { font-size: clamp(28px, 3.6vw, 40px); font-weight: 800; color: var(--primary); margin: 16px 0 16px; letter-spacing: 1px; }
.section-header p { color: var(--text-muted); font-size: 16.5px; }
.section-dark .section-header h2 { color: var(--text-white); }
.section-dark .section-header p { color: var(--text-light); }
.section-dark .section-header .eyebrow { color: var(--accent-light); }

/* ============ 交错大板块（核心业务） ============ */
.showcase { display: flex; flex-direction: column; gap: 30px; }
.showcase-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: 0 6px 24px rgba(10,26,56,0.06);
  transition: all .4s;
}
.showcase-row:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.showcase-row:nth-child(even) .showcase-media { order: 2; }
.showcase-media { position: relative; min-height: 340px; overflow: hidden; }
.showcase-media img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; transition: transform .8s; }
.showcase-row:hover .showcase-media img { transform: scale(1.06); }
.showcase-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(10,26,56,0.25), transparent 60%); }
.showcase-body { padding: 48px 46px; display: flex; flex-direction: column; justify-content: center; }
.showcase-num { font-family: var(--mono); font-size: 14px; color: var(--accent); letter-spacing: 2px; margin-bottom: 14px; }
.showcase-body h3 { font-size: 27px; font-weight: 800; color: var(--primary); margin-bottom: 16px; }
.showcase-body > p { color: var(--text-muted); font-size: 15.5px; margin-bottom: 22px; }
.showcase-points { display: flex; flex-direction: column; gap: 12px; margin-bottom: 26px; }
.showcase-points li { display: flex; gap: 11px; font-size: 14.5px; color: var(--ink); }
.showcase-points li .tick { color: var(--accent-deep); font-weight: 800; flex-shrink: 0; }
.showcase-link {
  align-self: flex-start; font-size: 14.5px; font-weight: 700; color: var(--primary);
  padding: 11px 24px; border: 1.5px solid var(--accent); border-radius: 28px;
  transition: all .25s;
}
.showcase-link:hover { background: var(--accent); color: var(--primary-dark); box-shadow: var(--gold-glow); }

/* ============ 卡片网格 ============ */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.card {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 36px 30px;
  transition: all .35s; position: relative; overflow: hidden;
  box-shadow: 0 4px 18px rgba(10,26,56,0.04);
}
.card::before { content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 3px; background: linear-gradient(90deg, var(--accent), var(--accent-light)); transform: scaleX(0); transform-origin: left; transition: transform .4s; }
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(201,169,97,0.4); }
.card:hover::before { transform: scaleX(1); }
.card-icon {
  width: 58px; height: 58px; display: flex; align-items: center; justify-content: center;
  background: var(--accent-soft); border-radius: 15px; margin-bottom: 20px;
}
.card-icon svg { width: 28px; height: 28px; stroke: var(--accent-deep); }
.card h3 { font-size: 19px; font-weight: 700; color: var(--primary); margin-bottom: 11px; }
.card p { font-size: 14.5px; color: var(--text-muted); }

/* ============ 特性列表 ============ */
.feature-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-item {
  display: flex; gap: 15px; align-items: flex-start;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius); padding: 26px;
  transition: all .3s;
}
.section-alt .feature-item, .section .feature-item { background: #fff; border-color: var(--border); }
.feature-item:hover { border-color: rgba(201,169,97,0.4); transform: translateY(-3px); }
.feature-dot { flex-shrink: 0; width: 10px; height: 10px; margin-top: 8px; background: linear-gradient(135deg, var(--accent), var(--accent-deep)); border-radius: 50%; }
.feature-item h4 { font-size: 16.5px; color: var(--primary); margin-bottom: 7px; }
.section-dark .feature-item h4 { color: var(--text-white); }
.feature-item p { font-size: 14px; color: var(--text-muted); }
.section-dark .feature-item p { color: var(--text-light); }

/* ============ 业务列表 ============ */
.biz-list { display: flex; flex-direction: column; gap: 18px; }
.biz-item {
  display: flex; gap: 22px; align-items: flex-start;
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 30px 32px;
  transition: all .35s;
}
.biz-item:hover { transform: translateY(-4px); border-color: rgba(201,169,97,0.45); box-shadow: var(--shadow); }
.biz-icon { flex-shrink: 0; width: 56px; height: 56px; display: flex; align-items: center; justify-content: center; background: var(--accent-soft); border-radius: 14px; font-size: 26px; }
.biz-content h3 { font-size: 19px; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.biz-content p { color: var(--text-muted); font-size: 15px; }
.biz-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 15px; }
.biz-tag { font-size: 12.5px; color: var(--primary); background: var(--accent-soft); border: 1px solid rgba(201,169,97,0.3); padding: 4px 13px; border-radius: 20px; }

/* ============ 统计条 ============ */
.stats-bar { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); padding: 70px 32px; position: relative; overflow: hidden; }
.stats-bar::before { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at 50% 0%, rgba(201,169,97,0.15), transparent 60%); }
.stats-grid { position: relative; max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-item { text-align: center; }
.stat-number { font-family: var(--mono); font-size: clamp(36px, 4.4vw, 52px); font-weight: 700; color: var(--accent-light); line-height: 1; }
.stat-number .accent { font-size: .5em; color: var(--accent); margin-left: 2px; }
.stat-label { font-size: 14.5px; color: var(--text-light); margin-top: 10px; }

/* ============ CTA ============ */
.cta-section {
  position: relative; padding: 100px 32px; text-align: center; color: var(--text-white);
  background:
    radial-gradient(ellipse at 50% 100%, rgba(201,169,97,0.22), transparent 60%),
    linear-gradient(160deg, var(--primary-dark), var(--primary));
  overflow: hidden;
}
.cta-section h2 { font-size: clamp(28px, 4vw, 40px); font-weight: 800; margin-bottom: 18px; letter-spacing: 1px; }
.cta-section p { font-size: 17px; color: var(--text-light); margin-bottom: 38px; }

/* ============ 按钮 ============ */
.btn { display: inline-flex; align-items: center; gap: 9px; padding: 15px 34px; border-radius: 32px; font-size: 16px; font-weight: 700; cursor: pointer; transition: all .3s; border: 2px solid transparent; }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-deep)); color: var(--primary-dark); box-shadow: var(--gold-glow); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 36px rgba(201,169,97,0.5); }
.btn-outline { border-color: rgba(244,241,233,0.45); color: var(--text-white); background: rgba(255,255,255,0.04); backdrop-filter: blur(6px); }
.btn-outline:hover { border-color: var(--accent-light); color: var(--accent-light); background: rgba(201,169,97,0.1); }

/* ============ 页脚 ============ */
.site-footer { background: var(--primary-dark); padding: 70px 32px 0; color: rgba(244,241,233,0.65); position: relative; }
.site-footer::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, transparent, var(--accent), transparent); }
.footer-inner { max-width: 1280px; margin: 0 auto; }
.footer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; padding-bottom: 44px; }
.footer-col h4 { color: var(--text-white); font-size: 15.5px; margin-bottom: 18px; padding-left: 15px; position: relative; }
.footer-col h4::before { content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 4px; height: 16px; background: var(--accent); border-radius: 2px; }
.footer-col ul li { margin-bottom: 11px; font-size: 14px; }
.footer-col ul li a:hover { color: var(--accent-light); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.09); padding: 24px 0; text-align: center; font-size: 13px; color: rgba(244,241,233,0.4); }

/* ============ 页头内页 banner ============ */
.page-header {
  position: relative;
  padding: 150px 32px 80px; text-align: center; color: var(--text-white);
  background:
    radial-gradient(ellipse at 20% 0%, rgba(201,169,97,0.18), transparent 55%),
    linear-gradient(150deg, var(--primary-dark), var(--primary) 60%, #12305c);
  overflow: hidden;
}
.page-header::after { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(201,169,97,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(201,169,97,0.05) 1px, transparent 1px); background-size: 60px 60px; mask-image: radial-gradient(ellipse at 50% 0%, #000, transparent 75%); }
.page-header .eyebrow { color: var(--accent-light); position: relative; z-index: 1; }
.page-header h1 { font-size: clamp(32px, 4.6vw, 48px); font-weight: 800; margin: 16px 0 14px; position: relative; z-index: 1; letter-spacing: 1px; }
.page-header p { font-size: 17px; color: rgba(244,241,233,0.7); position: relative; z-index: 1; }

/* ============ 两栏 / QR / FAQ ============ */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.qr-block { display: flex; gap: 22px; align-items: center; }
.qr-block img { width: 150px; height: 150px; border-radius: 14px; border: 3px solid var(--accent); }
.qr-block span { font-size: 15px; color: var(--text-muted); }
.faq-list { max-width: 880px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: 13px; overflow: hidden; cursor: pointer; transition: all .25s; }
.faq-item:hover { border-color: rgba(201,169,97,0.4); }
.faq-q { padding: 20px 24px; font-weight: 700; color: var(--primary); display: flex; justify-content: space-between; align-items: center; font-size: 16px; }
.faq-q span { color: var(--accent); transition: transform .3s; }
.faq-a { max-height: 0; overflow: hidden; padding: 0 24px; color: var(--text-muted); font-size: 15px; transition: all .35s; }
.faq-item.open .faq-a { max-height: 500px; padding: 0 24px 22px; }
.faq-item.open .faq-q span { transform: rotate(180deg); }

/* ============ 院校 logo 墙 ============ */
.school-filter { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 40px; }
.filter-btn { padding: 9px 22px; border-radius: 26px; border: 1.5px solid var(--border); background: #fff; font-size: 14px; font-weight: 600; color: var(--text-muted); cursor: pointer; transition: all .25s; }
.filter-btn:hover { border-color: var(--accent); color: var(--primary); }
.filter-btn.active { background: var(--primary); color: var(--accent-light); border-color: var(--primary); }
.school-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.school-card {
  background: #fff; border: 1px solid var(--border); border-radius: 14px;
  padding: 26px 18px; text-align: center; transition: all .3s; cursor: pointer;
}
.school-card:hover { transform: translateY(-5px); border-color: rgba(201,169,97,0.5); box-shadow: var(--shadow); }
.school-emblem { width: 60px; height: 60px; margin: 0 auto 14px; border-radius: 50%; background: var(--accent-soft); display: flex; align-items: center; justify-content: center; font-size: 22px; }
.school-card h4 { font-size: 15px; color: var(--primary); font-weight: 700; margin-bottom: 5px; }
.school-card .tag { font-size: 12px; color: var(--accent-deep); }

/* ============ 流程时间轴 ============ */
.process-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; counter-reset: step; }
.process-step { text-align: center; padding: 0 14px; position: relative; }
.process-step::after { content: ""; position: absolute; top: 26px; right: -50%; width: 100%; height: 2px; background: linear-gradient(90deg, var(--accent), rgba(201,169,97,0.2)); z-index: 0; }
.process-step:last-child::after { display: none; }
.process-dot { width: 54px; height: 54px; margin: 0 auto 18px; border-radius: 50%; background: #fff; border: 2px solid var(--accent); display: flex; align-items: center; justify-content: center; font-family: var(--mono); font-weight: 700; color: var(--accent-deep); position: relative; z-index: 1; font-size: 18px; }
.process-step h4 { font-size: 15.5px; color: var(--primary); margin-bottom: 7px; }
.process-step p { font-size: 13px; color: var(--text-muted); }

/* ============ 对比表 ============ */
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.compare-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 40px 36px; position: relative; transition: all .35s; }
.compare-card.featured { border-color: var(--accent); box-shadow: var(--shadow); }
.compare-card .ribbon { position: absolute; top: 22px; right: -32px; transform: rotate(45deg); background: var(--accent); color: var(--primary-dark); font-size: 11px; font-weight: 700; padding: 4px 40px; }
.compare-card h3 { font-size: 23px; color: var(--primary); margin-bottom: 6px; }
.compare-card .sub { font-size: 14px; color: var(--accent-deep); margin-bottom: 22px; }
.compare-card ul li { display: flex; gap: 11px; padding: 11px 0; border-bottom: 1px dashed var(--border); font-size: 14.5px; }
.compare-card ul li:last-child { border-bottom: none; }
.compare-card ul li .k { color: var(--text-muted); flex-shrink: 0; width: 84px; }
.compare-card ul li .v { color: var(--ink); font-weight: 500; }

/* ============ 滚动入场动画 ============ */
.reveal { opacity: 0; transform: translateY(38px); transition: opacity .8s cubic-bezier(.22,.61,.36,1), transform .8s cubic-bezier(.22,.61,.36,1); }
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .12s; }
.reveal-delay-2 { transition-delay: .24s; }
.reveal-delay-3 { transition-delay: .36s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ============ 文章正文 prose ============ */
.breadcrumb { font-size: 13px; color: var(--text-light); margin-bottom: 14px; }
.breadcrumb a { color: var(--accent-light); }
.prose { max-width: 820px; margin: 0 auto; font-size: 16.5px; line-height: 1.9; color: #2A3548; }
.prose h2 { font-size: 24px; color: var(--primary); font-weight: 800; margin: 40px 0 16px; padding-left: 14px; border-left: 4px solid var(--accent); }
.prose h3 { font-size: 19px; color: var(--primary); font-weight: 700; margin: 28px 0 12px; }
.prose p { margin-bottom: 18px; }
.prose ul { margin: 0 0 18px; padding-left: 4px; }
.prose ul li { position: relative; padding-left: 22px; margin-bottom: 10px; list-style: none; }
.prose ul li::before { content: "✓"; position: absolute; left: 0; color: var(--accent-deep); font-weight: 800; }
.prose strong { color: var(--primary); }
.prose table { width: 100%; border-collapse: collapse; margin: 22px 0; font-size: 15px; }
.prose th, .prose td { border: 1px solid var(--border); padding: 12px 14px; text-align: left; }
.prose th { background: var(--primary); color: var(--accent-light); }
.prose tr:nth-child(even) td { background: var(--bg-alt); }
.note-box { background: var(--accent-soft); border: 1px solid rgba(201,169,97,0.4); border-left: 4px solid var(--accent); border-radius: 12px; padding: 22px 26px; margin: 26px 0; font-size: 15.5px; color: var(--primary); }
.note-box a { color: var(--accent-deep); font-weight: 700; }

/* ============ 资讯列表 ============ */
.news-list { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 18px; }
.news-item { display: block; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 32px; transition: all .3s; }
.news-item:hover { transform: translateX(6px); border-color: rgba(201,169,97,0.5); box-shadow: var(--shadow); }
.news-date { font-size: 13px; color: var(--accent-deep); margin-bottom: 9px; }
.news-item h3 { font-size: 19px; color: var(--primary); font-weight: 700; margin-bottom: 9px; }
.news-item p { font-size: 14.5px; color: var(--text-muted); }

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .card-grid, .feature-list { grid-template-columns: repeat(2, 1fr); }
  .school-grid { grid-template-columns: repeat(3, 1fr); }
  .showcase-row { grid-template-columns: 1fr; }
  .showcase-row:nth-child(even) .showcase-media { order: 0; }
  .showcase-media { min-height: 260px; }
  .process-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .process-step::after { display: none; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 30px; }
}
@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .nav-menu {
    display: none; position: fixed; top: 68px; left: 0; right: 0;
    flex-direction: column; background: rgba(6,15,34,0.98); backdrop-filter: blur(20px);
    padding: 18px 28px 28px; border-bottom: 1px solid rgba(201,169,97,0.2);
  }
  .nav-menu.open { display: flex; }
  .nav-menu li { width: 100%; }
  .nav-menu li a { padding: 14px; }
  .section { padding: 70px 20px; }
  .card-grid, .feature-list, .school-grid, .compare-grid, .two-col, .footer-grid { grid-template-columns: 1fr; }
  .hero-inner { padding: 110px 22px 70px; }
  .showcase-body { padding: 34px 26px; }
  .page-header { padding: 120px 20px 60px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .process-grid { grid-template-columns: 1fr; gap: 26px; }
}
/* ============ 东营鱼谷：业务详情块 ============ */
.biz-detail { padding: 100px 32px; position: relative; }
.biz-detail:nth-child(even) { background: var(--bg-alt); }
.biz-detail-inner { max-width: 1180px; margin: 0 auto; display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 60px; align-items: center; }
.biz-detail:nth-child(odd) .biz-detail-visual { order: 2; }
.biz-detail-visual { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.biz-detail-visual img { width: 100%; height: 380px; object-fit: cover; }
.biz-detail-visual::after { content: ""; position: absolute; inset: 0; background: linear-gradient(160deg, rgba(10,26,56,0.15), transparent 55%); }
.biz-detail-no { font-family: var(--mono); font-size: 14px; color: var(--accent); letter-spacing: 3px; margin-bottom: 14px; }
.biz-detail h2 { font-size: 31px; color: var(--primary); font-weight: 800; margin-bottom: 12px; }
.biz-detail .slogan { color: var(--accent-deep); font-weight: 700; font-size: 16px; margin-bottom: 20px; }
.biz-detail .desc { color: var(--text-muted); font-size: 15.5px; margin-bottom: 18px; }
.biz-detail .result-label { font-size: 13px; font-weight: 700; color: var(--primary); letter-spacing: 1px; margin-bottom: 10px; }
.biz-results { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 20px; }
.biz-results span { font-size: 13.5px; color: var(--primary); background: #fff; border: 1px solid rgba(201,169,97,0.4); padding: 7px 16px; border-radius: 22px; }
.biz-audience { font-size: 13.5px; color: var(--text-muted); }
.biz-audience b { color: var(--primary); }
@media (max-width: 900px) {
  .biz-detail-inner { grid-template-columns: 1fr; gap: 34px; }
  .biz-detail:nth-child(odd) .biz-detail-visual { order: 0; }
  .biz-detail { padding: 70px 20px; }
  .biz-detail-visual img { height: 260px; }
}

/* 服务对象区 */
.audience-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.audience-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 36px 30px; text-align: center; transition: all .3s; }
.audience-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: rgba(201,169,97,0.4); }
.audience-card .aico { font-size: 38px; margin-bottom: 14px; }
.audience-card h3 { font-size: 18px; color: var(--primary); margin-bottom: 10px; }
.audience-card p { font-size: 14px; color: var(--text-muted); }
@media (max-width: 760px) { .audience-grid { grid-template-columns: 1fr; } }
/* === GEO 自动织网：相关阅读 / 正文FAQ === */
.prose .related-posts { margin-top: 40px; padding: 24px 28px; background: var(--accent-soft, rgba(201,169,97,.08)); border: 1px solid rgba(201,169,97,.25); border-radius: 14px; }
.prose .related-posts h3 { margin: 0 0 12px; font-size: 17px; color: var(--primary); }
.prose .related-posts ul { margin: 0; padding-left: 20px; display: flex; flex-direction: column; gap: 8px; }
.prose .related-posts a { color: var(--primary-mid, #10274E); text-decoration: none; border-bottom: 1px dashed rgba(201,169,97,.5); }
.prose .related-posts a:hover { color: var(--accent-deep, #A8873F); }
.prose .faq-list { margin: 28px 0; display: flex; flex-direction: column; gap: 14px; }
.prose h2 + .faq-list { margin-top: 16px; }