/* ==========================================================
   汉匠AI · 官网样式表
   风格：简约商务 · 浅色底 + 科技蓝 + 内容橙
   说明：全站颜色、圆角、间距集中在此，改这里即可全站换肤
   ========================================================== */

/* ---------- 1. 设计变量 ---------- */
:root {
  --brand: #1E5BD9;
  --brand-dark: #16449F;
  --brand-soft: #ECF2FE;
  --accent: #FF6A2B;
  --accent-deep: #E2510F;
  --accent-soft: #FFF1E9;
  --teal: #14B8A6;

  --ink: #0B1220;
  --ink-2: #1B2437;
  --text: #4A566B;
  --muted: #838EA3;
  --line: #E5E9F1;
  --line-dark: rgba(255, 255, 255, .14);
  --bg: #FFFFFF;
  --bg-soft: #F6F8FC;

  --radius: 12px;
  --radius-lg: 18px;
  --shadow-sm: 0 1px 2px rgba(11, 18, 32, .05);
  --shadow: 0 10px 30px rgba(11, 18, 32, .08);
  --shadow-lg: 0 24px 64px rgba(11, 18, 32, .14);
  --shadow-brand: 0 12px 32px rgba(30, 91, 217, .22);

  --container: 1200px;
  --header-h: 72px;

  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
          "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑",
          "Helvetica Neue", Arial, sans-serif;
}

/* ---------- 2. 基础重置 ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 20px);
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.78;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  padding-bottom: 0;
}

h1, h2, h3, h4, h5 {
  margin: 0;
  color: var(--ink);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -.015em;
}

p { margin: 0; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; }

::selection { background: rgba(30, 91, 217, .16); }

.num { font-variant-numeric: tabular-nums; letter-spacing: -.02em; }

/* ---------- 3. 布局工具 ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

.section { padding: 92px 0; }
.section--soft { background: var(--bg-soft); }
.section--dark { background: var(--ink); }
.section--tight { padding: 60px 0; }
.section--toponly { padding: 92px 0 0; }

.section-head { max-width: 760px; margin-bottom: 52px; }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--brand);
  margin-bottom: 16px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.eyebrow--light { color: #9FC0FF; }
.eyebrow--light::before { background: var(--accent); }

.section-title { font-size: 36px; line-height: 1.32; margin-bottom: 16px; }
.section-desc { font-size: 16.5px; line-height: 1.85; }
.section--dark .section-title { color: #fff; }
.section--dark .section-desc { color: rgba(255, 255, 255, .66); }

.text-center { text-align: center; }
.mt-24 { margin-top: 24px; }
.mt-40 { margin-top: 40px; }
.mt-56 { margin-top: 56px; }

/* ---------- 4. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  height: 50px;
  padding: 0 28px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  white-space: nowrap;
  transition: background .22s ease, color .22s ease,
              border-color .22s ease, transform .22s ease, box-shadow .22s ease;
}
.btn svg { flex: none; }

.btn--primary {
  background: var(--brand);
  color: #fff;
  box-shadow: var(--shadow-brand);
}
.btn--primary:hover { background: var(--brand-dark); transform: translateY(-1px); }

.btn--accent {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 12px 30px rgba(255, 106, 43, .28);
}
.btn--accent:hover { background: var(--accent-deep); transform: translateY(-1px); }

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn--ghost:hover { border-color: #C9D3E4; background: #fff; transform: translateY(-1px); }

.btn--light { background: #fff; color: var(--brand); }
.btn--light:hover { background: #EFF4FF; transform: translateY(-1px); }

.btn--dark { background: var(--ink); color: #fff; }
.btn--dark:hover { background: #1B2437; transform: translateY(-1px); }

.btn--sm { height: 42px; padding: 0 20px; font-size: 14px; border-radius: 9px; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--brand);
}
.link-arrow svg { transition: transform .22s ease; }
.link-arrow:hover svg { transform: translateX(4px); }

/* ---------- 5. 页头导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, .88);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 2px 16px rgba(11, 18, 32, .05);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 24px;
}

.logo { display: inline-flex; align-items: center; gap: 10px; flex: none; }
.logo-mark { width: 34px; height: 34px; flex: none; }
.logo-name { font-size: 18px; font-weight: 800; color: var(--ink); letter-spacing: .01em; }
.logo-sub {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--muted);
  margin-top: -2px;
}

.nav { display: flex; align-items: center; gap: 2px; margin-left: 12px; }
.nav a {
  position: relative;
  display: block;
  padding: 9px 13px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  border-radius: 8px;
  transition: color .2s ease, background .2s ease;
}
.nav a:hover { color: var(--ink); background: var(--bg-soft); }
.nav a.is-active { color: var(--brand); font-weight: 600; }
.nav a.is-active::after {
  content: "";
  position: absolute;
  left: 13px; right: 13px; bottom: 3px;
  height: 2px;
  background: var(--brand);
  border-radius: 2px;
}

.header-actions { display: flex; align-items: center; gap: 10px; margin-left: auto; flex: none; }

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 9px;
  cursor: pointer;
  color: var(--ink);
}
.nav-toggle span {
  display: block;
  width: 17px; height: 1.6px;
  background: currentColor;
  border-radius: 2px;
  position: relative;
  transition: background .25s ease;
}
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute; left: 0;
  width: 17px; height: 1.6px;
  background: currentColor;
  border-radius: 2px;
  transition: transform .25s ease, top .25s ease;
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
.nav-toggle.is-open span { background: transparent; }
.nav-toggle.is-open span::before { top: 0; transform: rotate(45deg); }
.nav-toggle.is-open span::after { top: 0; transform: rotate(-45deg); }

.mobile-nav {
  position: fixed;
  inset: var(--header-h) 0 auto 0;
  z-index: 99;
  background: #fff;
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 10px 24px 20px;
  display: none;
}
.mobile-nav.is-open { display: block; }
.mobile-nav a {
  display: block;
  padding: 13px 4px;
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
}
.mobile-nav a:last-of-type { border-bottom: 0; }
.mobile-nav .btn { width: 100%; margin-top: 14px; }

/* ---------- 6. Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 76px 0 84px;
  background:
    radial-gradient(760px 380px at 88% -10%, rgba(30, 91, 217, .09), transparent 60%),
    radial-gradient(620px 340px at 8% 104%, rgba(255, 106, 43, .08), transparent 60%),
    linear-gradient(180deg, #F7F9FD 0%, #FFFFFF 76%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.04fr .96fr;
  gap: 60px;
  align-items: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  height: 33px;
  padding: 0 15px 0 12px;
  margin-bottom: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  box-shadow: var(--shadow-sm);
}
.hero-tag i {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(255, 106, 43, .16);
}

.hero h1 {
  font-size: 50px;
  line-height: 1.18;
  letter-spacing: -.03em;
  margin-bottom: 22px;
}
.hero h1 em {
  font-style: normal;
  color: var(--brand);
  position: relative;
  z-index: 0;
  white-space: nowrap;
}
.hero h1 em::after {
  content: "";
  position: absolute;
  left: -2px; right: -2px; bottom: 2px;
  height: 11px;
  background: linear-gradient(90deg, #FFE0CE, #FFD2B4);
  z-index: -1;
  border-radius: 3px;
}

.hero-lead {
  font-size: 17px;
  line-height: 1.85;
  color: var(--text);
  max-width: 540px;
  margin-bottom: 32px;
}
.hero-lead strong { color: var(--ink); font-weight: 600; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 40px; }

.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.hero-metrics li { padding-right: 30px; margin-right: 30px; border-right: 1px solid var(--line); }
.hero-metrics li:last-child { border-right: 0; margin-right: 0; padding-right: 0; }
.metric-num { font-size: 26px; font-weight: 800; color: var(--ink); line-height: 1.2; }
.metric-num small { font-size: 14px; font-weight: 700; margin-left: 2px; color: var(--brand); }
.metric-label { font-size: 12.5px; color: var(--muted); margin-top: 1px; }

/* Hero 视觉 */
.hero-visual { position: relative; }
.hero-visual img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--line);
}
.hero-chip {
  position: absolute;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 16px;
  box-shadow: var(--shadow);
}
.hero-chip--tl { top: -18px; left: -18px; }
.hero-chip--br { right: -14px; bottom: -18px; }
.hero-chip strong { font-size: 17px; font-weight: 800; color: var(--ink); line-height: 1.2; }
.hero-chip span { font-size: 12px; color: var(--muted); display: block; }
.chip-dot {
  width: 34px; height: 34px;
  flex: none;
  border-radius: 9px;
  display: grid;
  place-items: center;
  font-size: 16px;
}

/* ---------- 7. 图片卡 / 画廊 ---------- */
.media {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.media img { width: 100%; height: auto; }
.media--shadow { box-shadow: var(--shadow); }
.media img { transition: transform .5s cubic-bezier(.22, .61, .36, 1); }
.media:hover img { transform: scale(1.02); }

.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- 8. 通用卡片 ---------- */
.card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #D3DCEA; }

.feature-card .f-icon {
  width: 46px; height: 46px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--brand-soft);
  color: var(--brand);
  margin-bottom: 20px;
}
.feature-card--accent .f-icon { background: var(--accent-soft); color: var(--accent); }
.feature-card h3 { font-size: 18.5px; margin-bottom: 10px; }
.feature-card p { font-size: 14.6px; line-height: 1.8; }

/* ---------- 9. 三阶段卡片 ---------- */
.stage-card {
  position: relative;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease;
}
.stage-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: #D3DCEA; }
.stage-top {
  padding: 26px 26px 22px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(160deg, #F8FAFE, #fff);
}
.stage-week {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 6px;
  padding: 4px 10px;
  margin-bottom: 12px;
}
.stage-top h3 { font-size: 20px; margin-bottom: 6px; }
.stage-sub { font-size: 13.5px; color: var(--muted); }
.stage-body { padding: 22px 26px 26px; }
.stage-body ul { display: flex; flex-direction: column; gap: 10px; }
.stage-body li {
  display: flex;
  gap: 10px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text);
}
.stage-body li svg { flex: none; margin-top: 5px; color: var(--brand); }
.stage-count {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
}
.stage-count strong { font-size: 22px; color: var(--ink); font-weight: 800; }

/* ---------- 10. 数据条（深色） ---------- */
.stats-band {
  background: var(--ink);
  color: #fff;
  padding: 62px 0;
  position: relative;
  overflow: hidden;
}
.stats-band::before {
  content: "";
  position: absolute;
  left: -100px; top: -180px;
  width: 420px; height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(30, 91, 217, .3), transparent 62%);
}
.stats-band::after {
  content: "";
  position: absolute;
  right: -80px; bottom: -200px;
  width: 380px; height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 106, 43, .18), transparent 62%);
}
.stats-band .grid--4 { gap: 0; position: relative; z-index: 1; }
.stat-item { padding: 0 28px; border-right: 1px solid var(--line-dark); }
.stat-item:first-child { padding-left: 0; }
.stat-item:last-child { border-right: 0; padding-right: 0; }
.stat-num {
  font-size: 38px;
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.15;
  margin-bottom: 4px;
}
.stat-num small { font-size: 17px; font-weight: 700; margin-left: 2px; color: #9FC0FF; }
.stat-label { font-size: 13.5px; color: rgba(255, 255, 255, .62); }

/* ---------- 11. 对比区块 ---------- */
.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
}
.compare-col { padding: 32px 30px; }
.compare-col + .compare-col { border-left: 1px solid var(--line); }
.compare-col--bad { background: #FAFBFD; }
.compare-col--good { background: linear-gradient(165deg, #F2F7FF, #FFFFFF); }
.compare-tag {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 100px;
  margin-bottom: 18px;
}
.compare-col--bad .compare-tag { background: #EEF1F6; color: #6B7789; }
.compare-col--good .compare-tag { background: var(--brand); color: #fff; }
.compare-col h3 { font-size: 19px; margin-bottom: 20px; }
.compare-col li {
  display: flex;
  gap: 11px;
  padding: 9px 0;
  font-size: 14.6px;
  line-height: 1.75;
  border-bottom: 1px solid rgba(0, 0, 0, .04);
}
.compare-col li:last-child { border-bottom: 0; }
.compare-col li svg { flex: none; margin-top: 6px; }
.compare-col--bad li svg { color: #B6BFCE; }
.compare-col--good li svg { color: var(--brand); }

/* ---------- 12. 成长路径 ---------- */
.roadmap { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; }
.rm-step { position: relative; padding: 0 22px 0 0; }
.rm-step:last-child { padding-right: 0; }
.rm-no {
  width: 42px; height: 42px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--brand-soft);
  color: var(--brand);
  font-size: 15px;
  font-weight: 800;
  margin-bottom: 16px;
}
.rm-step:last-child .rm-no { background: var(--accent); color: #fff; }
.rm-step h3 { font-size: 16.5px; margin-bottom: 6px; }
.rm-step p { font-size: 13.8px; line-height: 1.7; color: var(--muted); }
.rm-step::after {
  content: "";
  position: absolute;
  top: 20px;
  left: calc(100% - 22px);
  width: 22px;
  height: 1px;
  background: #D8DFEA;
}
.rm-step:last-child::after { display: none; }

/* ---------- 13. 导师卡 ---------- */
.mentor-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.mentor-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #D3DCEA; }
.mentor-photo { position: relative; aspect-ratio: 4 / 3.6; overflow: hidden; background: #F2F5FA; }
.mentor-photo img { width: 100%; height: 100%; object-fit: cover; object-position: top center; }
.mentor-body { padding: 24px 24px 26px; }
.mentor-role {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 6px;
  padding: 4px 10px;
  margin-bottom: 12px;
}
.mentor-body h3 { font-size: 20px; margin-bottom: 4px; }
.mentor-title { font-size: 13px; color: var(--muted); margin-bottom: 16px; }
.mentor-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.mentor-tags span {
  font-size: 12px;
  color: var(--text);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 3px 9px;
}
.mentor-quote {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text);
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

/* ---------- 14. 战绩 / 作品卡 ---------- */
.work-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease;
}
.work-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.work-thumb { position: relative; overflow: hidden; background: #F2F5FA; }
.work-thumb img { width: 100%; height: auto; }
.work-badge {
  position: absolute;
  left: 14px; top: 14px;
  z-index: 2;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(120deg, var(--accent), #FF9147);
  border-radius: 6px;
  padding: 5px 11px;
  box-shadow: 0 6px 18px rgba(255, 106, 43, .3);
}
.work-meta { padding: 20px 22px 24px; }
.work-meta h3 { font-size: 17px; margin-bottom: 14px; line-height: 1.5; }
.work-data { display: flex; flex-wrap: wrap; gap: 14px 22px; }
.work-data div strong {
  display: block;
  font-size: 19px;
  font-weight: 800;
  color: var(--ink);
  line-height: 1.2;
}
.work-data div span { font-size: 12px; color: var(--muted); }

/* ---------- 15. 收益小卡（深色） ---------- */
.income-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.income-box {
  background: rgba(255, 255, 255, .05);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  padding: 26px 24px;
  transition: background .25s ease, border-color .25s ease;
}
.income-box:hover { background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .24); }
.income-box h3 { color: #fff; font-size: 16.5px; margin-bottom: 10px; }
.income-box p { font-size: 13.5px; line-height: 1.75; color: rgba(255, 255, 255, .6); margin-bottom: 18px; }
.income-num {
  font-size: 26px;
  font-weight: 800;
  color: #FFB187;
  line-height: 1.2;
}
.income-num small { font-size: 14px; font-weight: 600; color: rgba(255, 255, 255, .5); margin-left: 3px; }
.income-note { font-size: 12px; color: rgba(255, 255, 255, .42); margin-top: 4px; }

/* ---------- 16. 内页头部 ---------- */
.page-hero {
  padding: 58px 0 62px;
  background:
    radial-gradient(600px 300px at 90% 0%, rgba(30, 91, 217, .08), transparent 60%),
    linear-gradient(180deg, #F7F9FD, #FFFFFF);
  border-bottom: 1px solid var(--line);
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 20px;
}
.breadcrumb a:hover { color: var(--brand); }
.breadcrumb i { font-style: normal; opacity: .5; }
.page-hero h1 { font-size: 40px; line-height: 1.3; margin-bottom: 16px; max-width: 840px; }
.page-hero p { font-size: 16.5px; line-height: 1.85; max-width: 660px; }

/* ---------- 17. 图文分栏 ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.split--wide { grid-template-columns: 1.1fr .9fr; }
.split--rev { direction: rtl; }
.split--rev > * { direction: ltr; }

.prose p { margin-bottom: 18px; font-size: 16px; line-height: 1.95; }
.prose p:last-child { margin-bottom: 0; }
.prose strong { color: var(--ink); font-weight: 600; }
.prose h3 { font-size: 20px; margin: 0 0 12px; }

.check-list { display: flex; flex-direction: column; gap: 12px; margin: 24px 0 0; }
.check-list li { display: flex; gap: 11px; font-size: 15px; line-height: 1.75; color: var(--text); }
.check-list li svg { flex: none; margin-top: 6px; color: var(--brand); }
.check-list li strong { color: var(--ink); font-weight: 600; }

/* ---------- 18. 流程步骤 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.step { position: relative; padding-right: 26px; }
.step-no {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .1em;
  color: var(--accent);
  margin-bottom: 12px;
}
.step h3 { font-size: 17px; margin-bottom: 8px; }
.step p { font-size: 14px; line-height: 1.78; }
.step::after {
  content: "";
  position: absolute;
  top: 9px; right: 8px;
  width: 20px; height: 1px;
  background: #C9D3E4;
}
.step:last-child::after { display: none; }

/* ---------- 19. 课程表 ---------- */
.syllabus {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
}
.sy-row { display: grid; grid-template-columns: 168px 1fr; border-bottom: 1px solid var(--line); }
.sy-row:last-child { border-bottom: 0; }
.sy-side {
  padding: 26px 24px;
  background: linear-gradient(160deg, #F5F8FE, #FDFEFF);
  border-right: 1px solid var(--line);
}
.sy-no { font-size: 12px; font-weight: 800; letter-spacing: .1em; color: var(--accent); margin-bottom: 8px; }
.sy-side h3 { font-size: 18px; margin-bottom: 6px; line-height: 1.45; }
.sy-side span { font-size: 13px; color: var(--muted); }
.sy-body { padding: 24px 26px; }
.sy-body p { font-size: 14.5px; line-height: 1.8; margin-bottom: 16px; }
.sy-body .sy-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.sy-tags span {
  font-size: 13px;
  color: var(--brand);
  background: var(--brand-soft);
  border-radius: 6px;
  padding: 5px 11px;
}
.sy-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 26px; }
.sy-grid li { display: flex; gap: 10px; font-size: 14.3px; color: var(--text); line-height: 1.7; }
.sy-grid li::before {
  content: "";
  flex: none;
  width: 5px; height: 5px;
  margin-top: 10px;
  border-radius: 50%;
  background: var(--brand);
}

/* 信息条 */
.info-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
}
.info-strip div {
  padding: 22px 20px;
  border-right: 1px solid var(--line);
}
.info-strip div:last-child { border-right: 0; }
.info-strip dt { font-size: 12.5px; color: var(--muted); margin-bottom: 6px; }
.info-strip dd { margin: 0; font-size: 15px; font-weight: 600; color: var(--ink); line-height: 1.6; }

/* ---------- 20. FAQ ---------- */
.faq { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 4px;
  background: transparent;
  border: 0;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
}
.faq-q i {
  flex: none;
  width: 22px; height: 22px;
  position: relative;
  border-radius: 50%;
  border: 1px solid var(--line);
  transition: transform .25s ease, border-color .25s ease, background .25s ease;
}
.faq-q i::before,
.faq-q i::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  background: var(--text);
  transform: translate(-50%, -50%);
  transition: opacity .25s ease, background .25s ease;
}
.faq-q i::before { width: 9px; height: 1.5px; }
.faq-q i::after { width: 1.5px; height: 9px; }
.faq-item.is-open .faq-q i { transform: rotate(90deg); border-color: var(--brand); background: var(--brand); }
.faq-item.is-open .faq-q i::before,
.faq-item.is-open .faq-q i::after { background: #fff; }
.faq-item.is-open .faq-q i::after { opacity: 0; }
.faq-a { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .3s ease; }
.faq-item.is-open .faq-a { grid-template-rows: 1fr; }
.faq-a > div { overflow: hidden; }
.faq-a p {
  font-size: 15px;
  line-height: 1.85;
  padding: 0 4px 22px;
  max-width: 780px;
}

/* ---------- 21. CTA ---------- */
.cta-band {
  position: relative;
  overflow: hidden;
  background: linear-gradient(125deg, #0B1220 0%, #14306B 52%, #1E5BD9 100%);
  color: #fff;
  padding: 72px 0;
}
.cta-band::before {
  content: "";
  position: absolute;
  right: -70px; top: -130px;
  width: 400px; height: 400px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .12);
}
.cta-band::after {
  content: "";
  position: absolute;
  right: 50px; bottom: -190px;
  width: 320px; height: 320px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .08);
}
.cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 44px;
}
.cta-inner h2 { color: #fff; font-size: 30px; line-height: 1.4; margin-bottom: 10px; }
.cta-inner p { color: rgba(255, 255, 255, .76); font-size: 15.5px; }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; flex: none; }
.cta-band .btn--ghost { color: #fff; border-color: rgba(255, 255, 255, .34); background: transparent; }
.cta-band .btn--ghost:hover { background: rgba(255, 255, 255, .1); border-color: rgba(255, 255, 255, .56); }

/* ---------- 22. 表单 ---------- */
.form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 38px 36px;
  box-shadow: var(--shadow);
}
.form-card h2 { font-size: 23px; margin-bottom: 8px; }
.form-card > p { font-size: 14.5px; color: var(--muted); margin-bottom: 26px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}
.field label span { color: #E0483A; margin-left: 2px; }
.field input,
.field select,
.field textarea {
  width: 100%;
  font-family: inherit;
  font-size: 14.5px;
  color: var(--ink);
  background: #FDFEFF;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 12px 14px;
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.field textarea { resize: vertical; min-height: 108px; line-height: 1.7; }
.field input::placeholder,
.field textarea::placeholder { color: #A9B3C1; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  background: #fff;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(30, 91, 217, .11);
}
.field select {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23838EA3' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 38px;
}
.form-note { font-size: 12.5px; color: var(--muted); margin-top: 14px; line-height: 1.7; }
.form-success {
  display: none;
  align-items: center;
  gap: 12px;
  margin-top: 18px;
  padding: 14px 16px;
  background: #F0F8F4;
  border: 1px solid #CDE8D8;
  border-radius: 10px;
  font-size: 14px;
  color: #20714A;
}
.form-success.is-visible { display: flex; }

.form-error {
  display: none;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
  padding: 13px 16px;
  background: #FDF1F0;
  border: 1px solid #F2D2CE;
  border-radius: 10px;
  font-size: 13.6px;
  line-height: 1.6;
  color: #A32E22;
}
.form-error.is-visible { display: flex; }
.form-card button[type="submit"]:disabled { opacity: .72; cursor: default; }

/* 联系信息 */
.info-block { margin-bottom: 32px; }
.info-block h3 {
  font-size: 12.5px;
  font-weight: 800;
  letter-spacing: .1em;
  color: var(--muted);
  margin-bottom: 14px;
}
.info-item { display: flex; gap: 14px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.info-item:last-child { border-bottom: 0; }
.info-icon {
  flex: none;
  width: 38px; height: 38px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--brand-soft);
  color: var(--brand);
}
.info-item dt { font-size: 12.5px; color: var(--muted); margin-bottom: 2px; }
.info-item dd { margin: 0; font-size: 15px; font-weight: 600; color: var(--ink); line-height: 1.6; }

/* ---------- 23. 资质墙 ---------- */
.cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cert-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  text-align: center;
  transition: transform .25s ease, box-shadow .25s ease;
}
.cert-item:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.cert-item img {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--line);
  margin-bottom: 14px;
}
.cert-item h4 { font-size: 15px; margin-bottom: 4px; }
.cert-item p { font-size: 12.5px; color: var(--muted); line-height: 1.6; }

/* ---------- 24. 底部 CTA 条（移动端常驻） ---------- */
.mobile-bar {
  display: none;
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 90;
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--line);
  gap: 10px;
}
.mobile-bar .btn { flex: 1; height: 46px; }

/* ---------- 25. 页脚 ---------- */
.site-footer {
  background: #080F1B;
  color: rgba(255, 255, 255, .66);
  padding: 64px 0 0;
  font-size: 14.5px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.7fr 1fr 1fr 1fr;
  gap: 44px;
  padding-bottom: 50px;
}
.footer-brand .logo { margin-bottom: 18px; }
.footer-brand .logo-name { color: #fff; }
.footer-brand .logo-sub { color: rgba(255, 255, 255, .38); }
.footer-brand p { font-size: 14px; line-height: 1.9; max-width: 340px; margin-bottom: 20px; }
.footer-logoline { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.footer-logoline img { height: 26px; width: auto; border-radius: 4px; opacity: .9; }
.footer-logoline span { font-size: 12.5px; color: rgba(255, 255, 255, .45); }

.footer-col h4 { color: #fff; font-size: 14px; font-weight: 600; margin-bottom: 16px; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { font-size: 14px; color: rgba(255, 255, 255, .6); transition: color .2s ease; }
.footer-col a:hover { color: #fff; }

.footer-copy {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 20px 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: rgba(255, 255, 255, .4);
  line-height: 1.8;
}
.footer-copy a:hover { color: rgba(255, 255, 255, .8); }

/* ---------- 26. 动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .6s cubic-bezier(.22, .61, .36, 1),
              transform .6s cubic-bezier(.22, .61, .36, 1);
  will-change: opacity, transform;
}
.reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

/* ---------- 27. 响应式 ---------- */
@media (max-width: 1120px) {
  .hero-grid { gap: 40px; }
  .hero h1 { font-size: 42px; }
  .roadmap { grid-template-columns: repeat(3, 1fr); gap: 32px 0; }
  .rm-step::after { display: none; }
  .info-strip { grid-template-columns: repeat(3, 1fr); }
  .info-strip div:nth-child(3) { border-right: 0; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 960px) {
  .nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .header-actions { margin-left: auto; }
  .header-actions .btn { display: none; }

  .hero { padding: 56px 0 64px; }
  .hero-grid { grid-template-columns: minmax(0, 1fr); gap: 48px; }
  .hero-visual { max-width: 560px; }
  .hero h1 { font-size: 38px; }

  .section-title { font-size: 30px; }
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .split, .split--wide, .split--rev { grid-template-columns: 1fr; direction: ltr; gap: 36px; }
  .compare { grid-template-columns: 1fr; }
  .compare-col + .compare-col { border-left: 0; border-top: 1px solid var(--line); }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 30px 0; }
  .step::after { display: none; }
  .stats-band .grid--4 { grid-template-columns: repeat(2, 1fr); gap: 30px 0; }
  .stat-item { padding: 0 22px; }
  .stat-item:nth-child(2) { border-right: 0; }
  .stat-item:nth-child(odd) { padding-left: 0; }
  .sy-row { grid-template-columns: 1fr; }
  .sy-side { border-right: 0; border-bottom: 1px solid var(--line); }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-inner { flex-direction: column; align-items: flex-start; gap: 24px; }
  .section { padding: 68px 0; }
  .mobile-bar { display: flex; }
  body { padding-bottom: 68px; }
}

@media (max-width: 720px) {
  .container { padding: 0 20px; }
  .hero h1 { font-size: 30px; line-height: 1.26; }
  .hero h1 em::after { height: 8px; bottom: 1px; }
  .hero-lead { font-size: 15.5px; }
  .hero-actions .btn { flex: 1; min-width: 150px; }
  .hero-metrics { gap: 18px 0; }
  .hero-metrics li { padding-right: 18px; margin-right: 18px; }
  .metric-num { font-size: 21px; }
  .hero-chip { padding: 10px 12px; }
  .hero-chip--tl { top: -12px; left: -6px; }
  .hero-chip--br { right: -6px; bottom: -12px; }
  .hero-chip strong { font-size: 15px; }
  .chip-dot { width: 28px; height: 28px; font-size: 14px; }

  .section-title { font-size: 25px; }
  .page-hero h1 { font-size: 28px; }
  .page-hero p { font-size: 15px; }

  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .income-grid { grid-template-columns: 1fr 1fr; }
  .roadmap { grid-template-columns: 1fr 1fr; }
  .info-strip { grid-template-columns: 1fr 1fr; }
  .info-strip div:nth-child(2n) { border-right: 0; }
  .sy-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr; }
  .form-card { padding: 26px 20px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .stat-num { font-size: 28px; }
  .stats-band { padding: 44px 0; }
  .cta-band { padding: 50px 0; }
  .cta-inner h2 { font-size: 24px; }
  .cta-actions .btn { flex: 1; }
  .section { padding: 54px 0; }
  .section-head { margin-bottom: 34px; }
  .footer-top { grid-template-columns: 1fr; gap: 30px; padding-bottom: 34px; }
  .footer-copy { flex-direction: column; align-items: flex-start; gap: 8px; }
}