/* ============================================================
   知循数学官网 · 全局样式
   视觉体系：暖橙 #E8822E + 深藏蓝 #223354 + 米色纸感 #FBF6EE
   标题：思源宋体 / 正文：思源黑体（含系统中文字体回退）
   ============================================================ */

:root {
  --orange: #E8822E;
  --orange-deep: #D9711F;
  --orange-soft: #F2A65E;
  --orange-pale: #FDF0E0;
  --orange-chip: #FCEBD2;
  --navy: #223354;
  --navy-2: #2E3F63;
  --ink: #3A4356;
  --muted: #5A6472;
  --gray: #8A93A3;
  --gray-light: #9AA3B5;
  --beige: #FBF6EE;
  --line: #F0E8DB;
  --white: #FFFFFF;
  --shadow-card: 0 12px 28px rgba(34, 51, 84, 0.07);
  --shadow-lift: 0 16px 36px rgba(34, 51, 84, 0.10);
  --radius-lg: 20px;
  --radius-md: 14px;
  --font-serif: "Source Han Serif CN", "Noto Serif SC", "Songti SC", "SimSun", serif;
  --font-sans: "Source Han Sans CN", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --container: 1312px; /* 1440 - 64*2 内容区 */
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

:focus-visible { outline: 3px solid var(--orange); outline-offset: 2px; border-radius: 4px; }

/* ---------- 通用文字 ---------- */
.h-serif { font-family: var(--font-serif); color: var(--navy); font-weight: 900; }
.eyebrow {
  font-size: 13px;
  letter-spacing: 4px;
  color: var(--orange-deep);
  font-weight: 500;
}
.section-sub { font-size: 16px; color: var(--muted); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn-primary {
  background: var(--orange);
  color: #fff;
  padding: 13px 30px;
  font-size: 15px;
  box-shadow: 0 8px 20px rgba(232, 130, 46, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(232, 130, 46, 0.45); }
.btn-white {
  background: #fff;
  color: var(--orange-deep);
  padding: 13px 30px;
  font-size: 15px;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.18);
}
.btn-white:hover { transform: translateY(-2px); }
.btn-lg { padding: 16px 38px; font-size: 17px; }
.link-more { color: var(--orange-deep); font-weight: 600; font-size: 14px; }
.link-more:hover { text-decoration: underline; }

/* ---------- 页头 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .2s ease;
}
.site-header.is-scrolled { box-shadow: 0 6px 20px rgba(34, 51, 84, 0.08); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
  gap: 24px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 42px; height: 42px;
  border-radius: 12px;
  background: var(--orange);
  color: #fff;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 22px;
  display: flex; align-items: center; justify-content: center;
  flex: none;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-name {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 20px;
  color: var(--navy);
  letter-spacing: 1px;
}
.brand-cap {
  font-size: 11px;
  color: var(--gray-light);
  letter-spacing: 3px;
}
.main-nav { display: flex; align-items: center; gap: 36px; }
.main-nav a {
  font-size: 15px;
  color: var(--ink);
  font-weight: 500;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: color .15s ease;
}
.main-nav a:hover { color: var(--orange-deep); }
.main-nav a.active { color: var(--orange-deep); font-weight: 600; }
.header-cta { flex: none; }
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 首页 Hero ---------- */
.hero {
  background: var(--beige);
  padding: 88px 0 96px;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 680px) minmax(0, 560px);
  gap: 56px;
  align-items: center;
}
.hero-badge {
  display: inline-block;
  background: var(--orange-chip);
  color: #B45E14;
  font-size: 13px;
  font-weight: 500;
  padding: 7px 18px;
  border-radius: 999px;
  margin-bottom: 24px;
}
.hero-title {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(34px, 4.6vw, 54px);
  line-height: 1.28;
  color: var(--navy);
}
.hero-title em {
  font-style: normal;
  color: var(--orange);
}
.hero-desc {
  margin-top: 24px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 620px;
}
.hero-actions { display: flex; align-items: center; gap: 24px; margin-top: 34px; flex-wrap: wrap; }
.hero-trust {
  margin-top: 26px;
  font-size: 13px;
  line-height: 2;
  color: var(--gray);
}
.hero-visual { position: relative; min-height: 560px; }
.hero-visual .blob {
  position: absolute;
  border-radius: 50%;
}
.blob-1 { width: 380px; height: 380px; background: #F5E6CF; top: 8%; right: 6%; }
.blob-2 { width: 130px; height: 130px; background: var(--orange-chip); bottom: 4%; left: 4%; }

/* 题卡（首页主视觉） */
.exam-card {
  position: relative;
  z-index: 2;
  width: min(352px, 88%);
  background: #fff;
  border-radius: 20px;
  padding: 24px 26px;
  box-shadow: 0 20px 40px rgba(34, 51, 84, 0.16);
  display: flex;
  flex-direction: column;
  gap: 13px;
}
.chip-row { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 500;
}
.chip-orange { background: var(--orange-chip); color: #B45E14; }
.chip-gray { background: #EEF1F7; color: var(--muted); }
.exam-card-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 21px;
  color: var(--navy);
}
.exam-box {
  background: var(--beige);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.exam-box.try { background: #FFF4E6; }
.box-label {
  font-size: 11px;
  letter-spacing: 2px;
  color: #B45E14;
  font-weight: 500;
}
.exam-q { font-size: 13px; line-height: 1.7; color: var(--ink); }
.exam-visual { display: flex; align-items: center; gap: 16px; }
.exam-visual .note { font-size: 13px; color: var(--muted); }
.frac { display: inline-flex; flex-direction: column; align-items: center; gap: 2px; }
.frac b { font-family: var(--font-serif); font-size: 15px; color: var(--navy); }
.frac .bar { width: 16px; height: 2px; background: var(--navy); }
.guide-row { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); }
.guide-row::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--orange); flex: none; }
.card-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: var(--gray-light);
}
.dots { display: flex; gap: 6px; }
.dots i { width: 8px; height: 8px; border-radius: 50%; background: var(--line); }
.dots i.on { background: var(--orange); }

/* 测评报告卡 */
.report-card {
  position: absolute;
  z-index: 3;
  top: 0;
  right: 0;
  width: 224px;
  background: #fff;
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 12px 28px rgba(34, 51, 84, 0.12);
  display: flex;
  flex-direction: column;
  gap: 11px;
}
.report-card h3 { font-size: 15px; color: var(--navy); font-weight: 600; }
.report-card .sub { font-size: 10.5px; color: #B45E14; font-weight: 500; }
.report-card hr { border: none; border-top: 1px solid var(--line); }
.bar-row { display: flex; align-items: center; gap: 8px; font-size: 11px; color: var(--muted); }
.bar-row .lbl { width: 60px; flex: none; }
.bar-row .track { flex: 1; height: 6px; border-radius: 999px; background: var(--line); overflow: hidden; }
.bar-row .fill { height: 100%; border-radius: 999px; background: var(--orange); }
.bar-row .fill.soft { background: var(--orange-soft); }
.report-card .foot { font-size: 10.5px; color: var(--gray-light); }
.float-chip {
  position: absolute;
  z-index: 4;
  left: 0;
  bottom: 20px;
  background: #fff;
  border-radius: 999px;
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
  box-shadow: 0 10px 24px rgba(34, 51, 84, 0.12);
}
.deco-sym { position: absolute; font-family: var(--font-serif); font-weight: 700; opacity: .9; }
.deco-div { color: var(--orange); font-size: 44px; right: 2%; bottom: 28%; }
.deco-pi { color: var(--navy); font-size: 34px; top: 22%; left: 52%; }

/* ---------- 板块通用 ---------- */
.section { padding: 96px 0; }
.section.beige { background: var(--beige); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section-head .eyebrow { display: block; margin-bottom: 14px; }
.section-head h2 {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(26px, 3.4vw, 36px);
  color: var(--navy);
}
.section-head p { margin-top: 12px; font-size: 16px; color: var(--muted); }

/* 三步曲卡片 */
.step-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.step-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 30px 28px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 13px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.step-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lift); }
.step-card .icon {
  width: 50px; height: 50px;
  border-radius: 14px;
  background: var(--orange-pale);
  display: flex; align-items: center; justify-content: center;
}
.step-num { font-size: 12px; letter-spacing: 2px; color: var(--orange-deep); font-weight: 500; }
.step-card h3 { font-size: 20px; color: var(--navy); font-weight: 600; }
.step-card p { font-size: 14px; line-height: 1.85; color: var(--muted); }

/* ---------- 页面横幅（内页顶部） ---------- */
.page-banner { background: var(--beige); padding: 52px 0 44px; }
.breadcrumb { font-size: 13px; color: var(--gray-light); margin-bottom: 12px; }
.breadcrumb a:hover { color: var(--orange-deep); }
.page-banner h1 {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(30px, 3.6vw, 40px);
  color: var(--navy);
}
.page-banner .sub { margin-top: 10px; font-size: 15px; color: var(--muted); }

/* ---------- 产品服务页 ---------- */
.product-hero { padding: 64px 0 16px; }
.product-card {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
  background: var(--navy);
  border-radius: 24px;
  padding: 44px 48px;
}
.product-card .chip-orange { background: var(--orange); color: #fff; }
.mini-note { font-size: 12px; color: #A8B2C7; }
.product-card h2 {
  margin-top: 18px;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(24px, 2.8vw, 30px);
  color: #fff;
}
.product-card .desc {
  margin-top: 14px;
  font-size: 15px;
  line-height: 1.85;
  color: #C6CEDD;
  max-width: 600px;
}
.feat-list { margin-top: 20px; display: flex; flex-direction: column; gap: 11px; }
.feat-list li { font-size: 14px; font-weight: 500; color: #fff; padding-left: 26px; position: relative; }
.feat-list li::before { content: "✓"; position: absolute; left: 0; color: var(--orange-soft); font-weight: 700; }
.product-card .btn-primary { margin-top: 26px; box-shadow: 0 8px 18px rgba(0,0,0,.25); }
.mock-card {
  background: #fff;
  border-radius: 20px;
  padding: 26px 28px;
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  gap: 13px;
}
.mock-card .title { font-family: var(--font-serif); font-weight: 700; font-size: 21px; color: var(--navy); }

.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.svc-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 30px 28px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.svc-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lift); }
.svc-card .icon {
  width: 50px; height: 50px;
  border-radius: 14px;
  background: var(--orange-pale);
  display: flex; align-items: center; justify-content: center;
}
.svc-card h3 { font-size: 20px; color: var(--navy); font-weight: 600; }
.svc-card .fit { font-size: 12px; color: var(--orange-deep); font-weight: 500; }
.svc-card ul { display: flex; flex-direction: column; gap: 8px; }
.svc-card li { font-size: 13.5px; line-height: 1.8; color: var(--muted); }

.flow-band { background: var(--beige); }
.flow-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  max-width: 980px;
  margin: 0 auto;
}
.flow-step { text-align: center; flex: 1; min-width: 0; }
.flow-step .num {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 34px;
  color: var(--orange);
}
.flow-step h3 { margin-top: 6px; font-size: 16px; color: var(--navy); font-weight: 600; }
.flow-step p { margin-top: 4px; font-size: 12.5px; color: var(--gray-light); }
.flow-arrow { font-size: 22px; color: #E0C9A6; padding-top: 14px; flex: none; }

.cta-band { background: var(--orange); padding: 40px 0; }
.cta-band-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.cta-band h2 {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(22px, 2.6vw, 26px);
  color: #fff;
}
.cta-band p { margin-top: 6px; font-size: 14px; color: #FBE3CC; }

/* ---------- 关于我们 ---------- */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 640px) minmax(0, 1fr);
  gap: 56px;
  align-items: center;
}
.about-copy p { font-size: 16px; line-height: 1.95; color: var(--ink); margin-bottom: 18px; }
.about-copy p.note { font-size: 14px; color: var(--gray); }
.stats-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 10px; }
.stat-card {
  background: var(--beige);
  border-radius: 16px;
  padding: 18px 20px;
  text-align: center;
}
.stat-card b {
  display: block;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 22px;
  color: var(--orange);
}
.stat-card span { font-size: 12px; color: var(--gray); }
.about-figure img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lift);
  aspect-ratio: 27 / 19;
  object-fit: cover;
  width: 100%;
}
.philosophy { background: var(--beige); }
.philosophy blockquote {
  text-align: center;
  max-width: 860px;
  margin: 0 auto 40px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(18px, 2.4vw, 22px);
  line-height: 1.7;
  color: var(--navy);
}
.idea-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.idea-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 30px 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.idea-card .cn-num {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 24px;
  color: var(--orange-soft);
}
.idea-card h3 { font-size: 20px; color: var(--navy); font-weight: 600; }
.idea-card p { font-size: 14px; line-height: 1.85; color: var(--muted); }

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 48px;
  align-items: stretch;
}
.contact-card {
  background: var(--navy);
  border-radius: 24px;
  padding: 40px 44px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.contact-card h2 {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 26px;
  color: #fff;
}
.contact-card li { font-size: 15px; color: #C6CEDD; }
.quote-card {
  background: var(--beige);
  border-radius: 24px;
  padding: 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
}
.quote-card .mark {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 64px;
  line-height: .6;
  color: var(--orange-soft);
}
.quote-card p {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.9;
  color: var(--ink);
}
.quote-card .from { font-size: 13px; color: var(--gray-light); }

/* ---------- 新闻列表页 ---------- */
.featured-card {
  display: grid;
  grid-template-columns: minmax(0, 460px) minmax(0, 1fr);
  gap: 32px;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-lift);
}
.featured-card img {
  border-radius: var(--radius-md);
  width: 100%;
  height: 100%;
  min-height: 240px;
  object-fit: cover;
}
.featured-body { display: flex; flex-direction: column; gap: 16px; padding: 8px 0; justify-content: center; }
.meta-row { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--gray-light); }
.tag-latest { background: var(--orange); color: #fff; font-size: 12px; padding: 5px 14px; border-radius: 999px; font-weight: 500; }
.featured-body h2 {
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.55;
  color: var(--navy);
  font-weight: 600;
}
.featured-body h2 a:hover { color: var(--orange-deep); }
.featured-body p { font-size: 14px; line-height: 1.85; color: var(--muted); }

.news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 40px;
  align-items: start;
}
.news-list { display: flex; flex-direction: column; gap: 18px; }
.news-item {
  display: flex;
  align-items: center;
  gap: 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px 24px;
  transition: transform .18s ease, box-shadow .18s ease;
}
.news-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-lift); }
.date-block { width: 72px; flex: none; text-align: center; line-height: 1.2; }
.date-block b {
  display: block;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 26px;
  color: var(--navy);
}
.date-block span { font-size: 11px; color: var(--gray-light); }
.news-item h3 {
  font-size: 16px;
  line-height: 1.65;
  font-weight: 600;
  color: var(--navy);
}
.news-item h3 a:hover { color: var(--orange-deep); }
.news-item .tag { display: inline-block; margin-top: 6px; font-size: 12px; color: var(--orange-deep); font-weight: 500; }

.sidebar { display: flex; flex-direction: column; gap: 24px; position: sticky; top: 100px; }
.cta-card {
  background: var(--orange);
  border-radius: var(--radius-lg);
  padding: 28px 26px;
  box-shadow: 0 14px 30px rgba(232, 130, 46, 0.35);
  display: flex;
  flex-direction: column;
  gap: 16px;
  color: #fff;
}
.cta-card h3 { font-family: var(--font-serif); font-weight: 700; font-size: 21px; }
.cta-card p { font-size: 13px; line-height: 1.8; }
.hot-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.hot-card h3 { font-size: 16px; color: var(--navy); font-weight: 600; }
.hot-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.hot-cloud a {
  background: var(--beige);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  transition: background .15s ease, color .15s ease;
}
.hot-cloud a:hover { background: var(--orange); color: #fff; }

.pagination { display: flex; justify-content: center; gap: 10px; padding: 40px 0 48px; }
.pagination a, .pagination span {
  min-width: 38px; height: 38px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  padding: 0 14px;
}
.pagination .current { background: var(--orange); border-color: var(--orange); color: #fff; font-weight: 600; }
.pagination a:hover { border-color: var(--orange); color: var(--orange-deep); }

/* ---------- 新闻详情页 ---------- */
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 48px;
  align-items: start;
  padding: 48px 0 56px;
}
.article-head { display: flex; flex-direction: column; gap: 20px; }
.article-head h1 {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(24px, 3vw, 30px);
  line-height: 1.5;
  color: var(--navy);
}
.article-head .meta-line {
  border-top: 1px solid var(--line);
  padding-top: 18px;
}
.article-lead {
  font-size: 17px;
  line-height: 1.9;
  color: var(--ink);
}
.article-body { margin-top: 8px; display: flex; flex-direction: column; gap: 20px; }
.article-body h2 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  color: var(--navy);
  font-weight: 600;
  margin-top: 12px;
}
.article-body h2::before {
  content: "";
  width: 4px; height: 22px;
  border-radius: 2px;
  background: var(--orange);
  flex: none;
}
.article-body p { font-size: 15px; line-height: 1.95; color: var(--muted); }
.pull-quote {
  background: var(--beige);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.pull-quote::before {
  content: "";
  width: 36px; height: 4px;
  border-radius: 2px;
  background: var(--orange);
}
.pull-quote p {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.9;
  color: #B45E14;
}
.article-end { border-top: 1px solid var(--line); margin-top: 20px; padding-top: 24px; }
.prev-next { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.prev-next a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  transition: border-color .15s ease;
}
.prev-next a:hover { border-color: var(--orange); }
.prev-next .dir { font-size: 12px; color: var(--gray-light); }
.prev-next .dir.next { color: var(--orange-deep); font-weight: 500; }
.prev-next .t { font-size: 14px; line-height: 1.7; color: var(--ink); font-weight: 500; }

.related-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.related-card h3 { font-size: 16px; color: var(--navy); font-weight: 600; }
.related-card ol { display: flex; flex-direction: column; gap: 14px; counter-reset: rel; }
.related-card li { counter-increment: rel; display: flex; gap: 10px; align-items: flex-start; }
.related-card li::before {
  content: counter(rel);
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 13px;
  color: var(--orange-soft);
  flex: none;
  line-height: 1.8;
}
.related-card a { font-size: 13.5px; line-height: 1.7; color: var(--muted); }
.related-card a:hover { color: var(--orange-deep); }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--navy); color: #A8B2C7; }
.footer-accent { height: 4px; background: var(--orange); }
.footer-main {
  display: grid;
  grid-template-columns: minmax(0, 400px) 1fr;
  gap: 96px;
  padding: 56px 0 48px;
}
.footer-brand { display: flex; flex-direction: column; gap: 16px; }
.footer-brand .brand-name { color: #fff; }
.footer-brand p { font-size: 13px; line-height: 1.85; max-width: 360px; }
.footer-brand .contact { font-size: 12px; color: #7A86A0; }
.footer-links { display: flex; gap: 96px; padding-top: 6px; flex-wrap: wrap; }
.footer-links h4 { font-size: 14px; color: #fff; font-weight: 600; margin-bottom: 14px; }
.footer-links ul { display: flex; flex-direction: column; gap: 14px; }
.footer-links a { font-size: 13px; transition: color .15s ease; }
.footer-links a:hover { color: var(--orange-soft); }
.footer-bottom {
  border-top: 1px solid var(--navy-2);
  padding: 18px 0;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12px;
  color: #7A86A0;
}

/* ---------- 滚动浮现动画 ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1100px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { min-height: 520px; max-width: 640px; }
  .product-card { grid-template-columns: 1fr; padding: 36px 32px; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .news-layout, .article-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .footer-main { grid-template-columns: 1fr; gap: 40px; }
  .footer-links { gap: 56px; }
}

@media (max-width: 900px) {
  .main-nav {
    position: fixed;
    inset: 78px 0 auto 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 24px 20px;
    box-shadow: 0 20px 40px rgba(34, 51, 84, 0.12);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: transform .2s ease, opacity .2s ease, visibility .2s;
  }
  .main-nav.open { transform: none; opacity: 1; visibility: visible; }
  .main-nav a { padding: 14px 4px; border-bottom: 1px solid var(--line); font-size: 16px; }
  .main-nav a.active { border-bottom-color: var(--orange); }
  .nav-toggle { display: flex; }
  .header-cta { display: none; }
  .step-grid, .service-grid, .idea-grid { grid-template-columns: 1fr; }
  .featured-card { grid-template-columns: 1fr; }
  .featured-card img { min-height: 200px; }
  .stats-row { gap: 14px; }
  .flow-row { flex-direction: column; align-items: center; gap: 28px; }
  .flow-arrow { transform: rotate(90deg); padding-top: 0; }
  .hero { padding: 56px 0 64px; }
  .section { padding: 64px 0; }
}

@media (max-width: 640px) {
  .container { padding: 0 20px; }
  .brand-cap { display: none; }
  .hero-visual { min-height: 0; }
  .blob-1 { width: 260px; height: 260px; }
  .report-card { position: static; width: 100%; margin-bottom: -8px; }
  .exam-card { width: 100%; }
  .float-chip, .deco-div, .deco-pi, .blob-2 { display: none; }
  .hero-actions .btn { width: 100%; }
  .news-item { flex-direction: row; padding: 16px 18px; gap: 14px; }
  .date-block { width: 56px; }
  .news-item h3 { font-size: 14.5px; }
  .prev-next { grid-template-columns: 1fr; }
  .contact-card { padding: 28px 24px; }
  .quote-card { padding: 28px 24px; }
  .product-card { padding: 28px 22px; }
  .mock-card { padding: 20px 20px; }
  .pagination { flex-wrap: wrap; }
  .footer-links { gap: 36px; }
  .footer-bottom { flex-direction: column; }
}

/* ---------- 联系方式（电话 / 二维码 / 小程序）---------- */
.contact-side { display: flex; flex-direction: column; gap: 24px; }
.contact-card .tel-link {
  color: #fff;
  text-decoration: underline;
  text-decoration-color: var(--orange-soft);
  text-underline-offset: 4px;
}
.contact-card .tel-link b { font-size: 17px; letter-spacing: .5px; color: #fff; }
.contact-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.contact-note { font-size: 13px; color: #7A86A0; }
.qr-card {
  background: var(--beige);
  border-radius: 24px;
  padding: 28px;
  display: flex;
  gap: 24px;
  align-items: center;
}
.qr-card img {
  width: 150px;
  height: 150px;
  border-radius: 14px;
  background: #fff;
  flex: none;
}
.qr-info h3 { font-family: var(--font-serif); font-size: 18px; font-weight: 700; color: var(--navy); }
.qr-info p { font-size: 13.5px; line-height: 1.8; color: var(--muted); margin-top: 8px; }
.qr-tip {
  display: inline-block;
  margin-top: 10px;
  font-size: 12px;
  color: var(--orange-deep);
  background: #fff;
  border-radius: 999px;
  padding: 5px 12px;
}

/* ---------- 新闻筛选 / 分页增强 ---------- */
.filter-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  margin-bottom: 18px;
  border-radius: 14px;
  background: var(--beige);
  border: 1px dashed var(--orange-soft);
}
.filter-tip { font-size: 14px; color: var(--orange-deep); font-weight: 500; }
.filter-clear { font-size: 13px; color: var(--muted); }
.filter-clear:hover { color: var(--orange-deep); }
.empty-tip { padding: 40px 0; text-align: center; color: var(--gray-light); }
.prev-next .pn-empty { font-size: 13px; color: var(--gray-light); align-self: center; }
.footer-brand .contact a { color: var(--orange-soft); }
.footer-brand .contact a:hover { color: var(--orange); }

@media (max-width: 900px) {
  .qr-card { flex-direction: column; text-align: center; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .qr-card { padding: 24px 18px; }
  .contact-btns .btn { width: 100%; text-align: center; }
}

/* ---------- 悬浮咨询入口（全站常驻，JS 注入）---------- */
.float-contact {
  position: fixed;
  right: 18px;
  bottom: 96px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.fc-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  width: 62px;
  height: 62px;
  border: none;
  border-radius: 16px;
  cursor: pointer;
  font-family: var(--font-sans);
  text-decoration: none;
  box-shadow: 0 8px 22px rgba(34, 51, 84, .22);
  transition: transform .18s ease, box-shadow .18s ease;
}
.fc-btn:hover { transform: translateY(-3px); box-shadow: 0 12px 26px rgba(34, 51, 84, .28); }
.fc-btn svg { width: 22px; height: 22px; }
.fc-btn span { font-size: 11px; font-weight: 600; letter-spacing: 1px; }
.fc-tel { background: linear-gradient(160deg, var(--orange), var(--orange-deep)); color: #fff; }
.fc-tel span { color: #fff; }
.fc-qr { background: #fff; color: var(--navy); border: 1px solid rgba(34, 51, 84, .12); }
.fc-qr span { color: var(--navy); }

/* 二维码弹窗 */
.qr-modal { position: fixed; inset: 0; z-index: 120; }
.qr-modal[hidden] { display: none; }
.qr-modal-mask {
  position: absolute; inset: 0;
  background: rgba(20, 30, 52, .55);
  backdrop-filter: blur(2px);
}
.qr-modal-body {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: min(320px, calc(100vw - 48px));
  background: #fff;
  border-radius: 22px;
  padding: 32px 28px 26px;
  text-align: center;
  box-shadow: 0 24px 60px rgba(20, 30, 52, .35);
}
.qr-modal-body img {
  width: 200px; height: 200px;
  border-radius: 14px;
  background: #fff;
}
.qr-modal-body h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--navy);
  margin-top: 14px;
}
.qr-modal-body p { font-size: 13.5px; line-height: 1.9; color: var(--muted); margin-top: 4px; }
.qr-modal-body .qr-modal-tel { color: var(--orange-deep); font-weight: 700; }
.qr-modal-close {
  margin-top: 16px;
  border: none;
  background: var(--beige);
  color: var(--navy);
  font-size: 13px;
  font-weight: 600;
  padding: 9px 26px;
  border-radius: 999px;
  cursor: pointer;
}
.qr-modal-close:hover { background: var(--orange-soft); }

/* 复制成功提示 */
.copy-toast {
  position: fixed;
  left: 50%; bottom: 40px;
  transform: translateX(-50%) translateY(16px);
  z-index: 130;
  background: var(--navy);
  color: #fff;
  font-size: 14px;
  padding: 11px 22px;
  border-radius: 999px;
  box-shadow: 0 10px 28px rgba(20, 30, 52, .35);
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease, transform .25s ease;
}
.copy-toast.is-show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 640px) {
  .float-contact { right: 12px; bottom: 84px; }
  .fc-btn { width: 54px; height: 54px; border-radius: 14px; }
}

/* ---------- 实拍资料（公司前台 / 小程序截图 / 家长反馈）---------- */
.office-cap {
  margin-top: 14px;
  text-align: center;
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--gray-light);
}

.shots-band { background: var(--beige); }
.shot-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 26px;
}
.shot-card {
  width: 208px;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.shot-card img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  object-position: top;
  border-radius: 20px;
  border: 1px solid rgba(34, 51, 84, .1);
  box-shadow: 0 14px 30px rgba(34, 51, 84, .14);
  background: #fff;
}
.shot-card figcaption {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  text-align: center;
}
.shot-card figcaption::before { content: "· "; color: var(--orange); }

.feedback-band { background: var(--beige); }
.fb-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  max-width: 960px;
  margin: 0 auto;
}
.fb-card { margin: 0; display: flex; flex-direction: column; gap: 14px; }
.fb-card img {
  width: 100%;
  border-radius: 18px;
  border: 1px solid rgba(34, 51, 84, .1);
  box-shadow: 0 14px 30px rgba(34, 51, 84, .12);
  background: #fff;
}
.fb-card figcaption {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.7;
  color: var(--navy);
  text-align: center;
}
.fb-note {
  margin-top: 34px;
  text-align: center;
  font-size: 14px;
  color: var(--gray);
}

@media (max-width: 900px) {
  .fb-grid { grid-template-columns: 1fr; max-width: 460px; }
  .shot-card img { height: 360px; }
}