/* ============================================================
   京峰教育 · 高端官网设计系统
   Jingfeng Education — Premium Design System
   ============================================================ */

/* ---------- 全局滚动条（细、平滑、悬停才显） ---------- */
html { scroll-behavior: smooth; scrollbar-width: thin; scrollbar-color: rgba(120,140,180,.22) transparent; }
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(120, 140, 180, .18);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: rgba(120, 140, 180, .4); }
body:hover::-webkit-scrollbar-thumb { background: rgba(120, 140, 180, .3); }

/* ---------- 字体 ---------- */
@import url('https://fonts.googleapis.com/css2?family=Sora:wght@400;500;600;700;800&family=Noto+Sans+SC:wght@300;400;500;700;900&display=swap');

/* ---------- 设计令牌 ---------- */
:root {
  /* 品牌色 */
  --brand: #4f6bff;
  --brand-600: #3b53e0;
  --brand-700: #2c3fb8;
  --cyan: #5fe2f4;
  --violet: #8b5cf6;
  --accent: #ff8a25;
  --accent-2: #ffbe54;

  /* 中性色 */
  --ink: #0c1222;
  --ink-2: #2a3550;
  --muted: #6b7793;
  --line: #e7ebf3;
  --bg: #ffffff;
  --bg-soft: #f6f8fc;
  --bg-tint: #eef2fb;

  /* 深色面 */
  --dark: #070b18;
  --dark-2: #0d1426;
  --dark-3: #131c33;
  --dark-line: rgba(255, 255, 255, 0.08);
  --on-dark: #eaf0ff;
  --on-dark-muted: #9aa8cd;

  /* 渐变 */
  --grad-brand: linear-gradient(120deg, #4f6bff 0%, #8b5cf6 50%, #5fe2f4 100%);
  --grad-brand-soft: linear-gradient(135deg, rgba(79,107,255,.16), rgba(139,92,246,.12));
  --grad-warm: linear-gradient(120deg, #ff8a25, #ffbe54);
  --grad-card: linear-gradient(160deg, #4f6bff 0%, #8b5cf6 100%);

  /* 阴影 */
  --shadow-sm: 0 2px 8px rgba(18, 28, 60, .06);
  --shadow: 0 18px 50px -20px rgba(31, 45, 90, .28);
  --shadow-lg: 0 40px 80px -30px rgba(20, 30, 70, .45);
  --shadow-glow: 0 20px 60px -18px rgba(79, 107, 255, .55);

  /* 圆角 */
  --r-sm: 10px;
  --r: 16px;
  --r-lg: 24px;
  --r-xl: 32px;

  /* 字体 */
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-display: "Sora", "Noto Sans SC", "PingFang SC", system-ui, sans-serif;

  --container: 1200px;
  --container-wide: 1320px;
  --header-h: 76px;
}

/* ---------- 重置 ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}
body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
:focus-visible { outline: 3px solid var(--brand); outline-offset: 3px; border-radius: 4px; }
::selection { background: rgba(79, 107, 255, .22); }

/* ---------- 防盗保护 ---------- */
body {
  -webkit-user-select: none; user-select: none;
  -webkit-touch-callout: none;
}
img, svg { -webkit-user-drag: none; pointer-events: auto; }
.noselect { -webkit-user-select: none !important; user-select: none !important; }

/* 锚点跳转时为固定导航留出空间 */
:where(section[id], [id]) { scroll-margin-top: calc(var(--header-h) + 18px); }

/* ---------- 图片懒加载占位（避免布局抖动） ---------- */
img { background: linear-gradient(110deg, #eef1f6 30%, #f6f8fc 50%, #eef1f6 70%); background-size: 200% 100%; }
img:not([src]), img[src=""] { background: none; }
img.loaded { animation: imgFade .4s ease; }
@keyframes imgFade { from { opacity: 0; } to { opacity: 1; } }

/* ---------- 面包屑 ---------- */
.breadcrumb { background: var(--bg-soft); border-bottom: 1px solid var(--line); padding: 14px 0; }
.breadcrumb .container-wide { display: flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--muted); }
.breadcrumb a { color: var(--brand); }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb .sep { color: #c5ccdb; }
.breadcrumb .cur { color: var(--ink-2); font-weight: 500; }

/* ---------- 主题切换按钮 ---------- */
.theme-toggle {
  width: 46px; height: 46px; border-radius: 13px; flex-shrink: 0;
  display: grid; place-items: center; color: #fff;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.18);
  transition: .25s;
}
.theme-toggle:hover { background: rgba(255,255,255,.22); color: #fff; transform: scale(1.05); }
.theme-toggle svg { width: 22px; height: 22px; }

/* ---------- 悬浮咨询 CTA ---------- */
.float-cta {
  position: fixed; right: 22px; bottom: 22px; z-index: 850;
  display: flex; flex-direction: column; gap: 12px; align-items: flex-end;
}
.float-cta__btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px; border-radius: 999px; color: #fff; font-weight: 700; font-size: 15px;
  background: var(--grad-brand); box-shadow: var(--shadow-glow);
  transition: transform .25s ease, box-shadow .25s ease;
}
.float-cta__btn:hover { transform: translateY(-3px) scale(1.03); }
.float-cta__btn svg { width: 20px; height: 20px; }
.float-cta__wx {
  width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center;
  background: #07c160; color: #fff; box-shadow: 0 10px 28px -8px rgba(7,193,96,.6);
  transition: transform .25s ease;
}
.float-cta__wx:hover { transform: scale(1.08); }
.float-cta__wx svg { width: 26px; height: 26px; }
.float-cta__pop {
  position: absolute; right: 0; bottom: 74px;
  width: 222px; padding: 16px 16px 18px; border-radius: 16px;
  background: #fff; box-shadow: var(--shadow-lg); border: 1px solid var(--line);
  text-align: center; opacity: 0; transform: translateY(10px) scale(.97);
  transform-origin: bottom right; pointer-events: none; transition: .26s cubic-bezier(.22,1,.36,1);
}
.float-cta__pop.show { opacity: 1; transform: none; pointer-events: auto; }
.float-cta__pop img { width: 152px; height: auto; border-radius: 12px; margin: 0 auto 10px; box-shadow: 0 4px 14px -6px rgba(20,30,70,.3); }
.float-cta__pop p { font-size: 13px; color: var(--muted); margin: 0; line-height: 1.6; }
.float-cta__pop b { color: var(--brand-700); }
[data-theme="dark"] .float-cta__pop { background: #111a33; border-color: rgba(255,255,255,.12); }
[data-theme="dark"] .float-cta__pop p { color: #aab4d4; }
@media (max-width: 560px) {
  .float-cta__btn span { display: none; }
  .float-cta__btn { padding: 14px; }
}

/* ---------- FAQ 折叠 ---------- */
.faq { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq__item {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.faq__item[open] { border-color: rgba(79,107,255,.35); box-shadow: var(--shadow-sm); }
.faq__q {
  list-style: none; cursor: pointer; user-select: none;
  display: flex; align-items: center; gap: 14px; padding: 20px 26px;
  font: 600 17px/1.5 var(--font-display); color: var(--ink);
}
.faq__q::-webkit-details-marker { display: none; }
.faq__q .faq__icon {
  margin-left: auto; flex: 0 0 auto; width: 26px; height: 26px; border-radius: 50%;
  display: grid; place-items: center; color: var(--brand);
  background: var(--grad-brand-soft); border: 1px solid rgba(79,107,255,.2);
  transition: transform .3s cubic-bezier(.22,1,.36,1);
}
.faq__item[open] .faq__icon { transform: rotate(45deg); }
.faq__a { padding: 0 26px 22px; color: var(--muted); font-size: 15px; line-height: 1.85; }
.faq__a p { margin: 0; }
.faq__a ul { padding-left: 20px; margin: 8px 0 0; }
.faq__a li { margin-bottom: 4px; }

/* ---------- 学员案例 / 就业喜报 ---------- */
.stories { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.story {
  position: relative; border-radius: var(--r-lg); padding: 28px 26px 30px;
  background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-sm);
  transition: transform .3s ease, box-shadow .3s ease; overflow: hidden;
}
.story:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.story::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--brand), var(--violet));
}
.story__head { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.story__avatar {
  width: 52px; height: 52px; border-radius: 50%; flex: 0 0 52px;
  display: grid; place-items: center; color: #fff; font-weight: 700; font-size: 20px;
  background: linear-gradient(135deg, var(--brand), var(--violet));
}
.story__name { font: 700 17px/1.3 var(--font-display); color: var(--ink); }
.story__from { font-size: 13px; color: var(--muted); }
.story__quote { font-size: 15px; line-height: 1.8; color: var(--ink-2); margin-bottom: 18px; }
.story__offer {
  display: inline-flex; align-items: center; gap: 8px; padding: 9px 16px; border-radius: 999px;
  background: linear-gradient(135deg, rgba(34,197,94,.12), rgba(16,185,129,.08));
  border: 1px solid rgba(34,197,94,.25); color: #059669; font-weight: 700; font-size: 14px;
}
.story__offer b { font-size: 17px; }
@media (max-width: 860px) { .stories { grid-template-columns: 1fr; } }

/* ---------- 深色模式（可访问性 + 主题切换） ---------- */
[data-theme="dark"] {
  --bg: #0b1020; --bg-soft: #0f1730; --bg-tint: #162042;
  --ink: #e8ecf6; --ink-2: #c3cce4; --muted: #9aa8cd; --line: rgba(255,255,255,.1);
}
[data-theme="dark"] body { background: var(--bg); }
[data-theme="dark"] .section--soft { background: var(--bg-soft); }
[data-theme="dark"] .section--journey {
  background: linear-gradient(180deg, #0e1530 0%, #101a38 50%, #0d1430 100%);
}
[data-theme="dark"] .card,
[data-theme="dark"] .teacher,
[data-theme="dark"] .about-adv-card,
[data-theme="dark"] .stage-acc,
[data-theme="dark"] .honor-card,
[data-theme="dark"] .faq__item,
[data-theme="dark"] .story {
  background: #111a33; border-color: rgba(255,255,255,.1); color: var(--ink);
}
[data-theme="dark"] .about-stat,
[data-theme="dark"] .cvp-page { background: var(--bg-soft); color: var(--ink); }
[data-theme="dark"] .cvp-main,
[data-theme="dark"] .cvp-side-card,
[data-theme="dark"] .cvp-price-card { background: #111a33; border-color: rgba(255,255,255,.1); color: var(--ink); }
[data-theme="dark"] .cta-band,
[data-theme="dark"] .floating-cta { color: #fff; }
[data-theme="dark"] .cvp-desc h3,
[data-theme="dark"] .cvp-desc h4,
[data-theme="dark"] .cvp-info h1,
[data-theme="dark"] .cvp-rec-title,
[data-theme="dark"] .cvp-side-card__title { color: #e8ecf6; }
[data-theme="dark"] .cvp-desc p,
[data-theme="dark"] .cvp-desc li,
[data-theme="dark"] .cvp-rec-meta { color: #aab4d4; }
[data-theme="dark"] img { background: #162042; }


/* ---------- 布局工具 ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 28px; }
.container-wide { max-width: var(--container-wide); }
.section { padding: clamp(80px, 10vw, 150px) 0; position: relative; }
.section--soft { background: var(--bg-soft); }
.section--dark {
  background:
    radial-gradient(900px 500px at 80% -10%, rgba(139,92,246,.25), transparent 60%),
    radial-gradient(800px 500px at 0% 10%, rgba(79,107,255,.22), transparent 55%),
    var(--dark);
  color: var(--on-dark);
}
.section-head { max-width: 800px; margin: 0 auto clamp(48px, 6vw, 76px); text-align: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font: 600 14.5px/1 var(--font-display);
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--brand);
  padding: 11px 24px; border-radius: 999px;
  background: var(--grad-brand-soft);
  border: 1px solid rgba(79,107,255,.18);
  margin-bottom: 26px;
  box-shadow: 0 2px 14px rgba(79,107,255,.1);
}
.eyebrow::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: var(--brand); box-shadow: 0 0 0 6px rgba(79,107,244,.18); }
.section-title {
  font: 800 clamp(34px, 5.2vw, 56px)/1.08 var(--font-display);
  letter-spacing: -.018em;
  color: var(--ink);
}
.section--dark .section-title { color: #fff; background: none; }
.section-sub { margin-top: 22px; color: var(--muted); font-size: clamp(16px, 1.7vw, 19.5px); }
.section--dark .section-sub { color: var(--on-dark-muted); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  font: 600 17px/1 var(--font-sans);
  padding: 16px 32px; border-radius: 999px;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
  will-change: transform;
  white-space: nowrap;
}
.btn svg { width: 19px; height: 19px; }
.btn--primary { color: #fff; background: var(--grad-brand); background-size: 180% 180%; box-shadow: var(--shadow-glow); }
.btn--primary:hover { transform: translateY(-2px); background-position: 100% 0; box-shadow: 0 26px 70px -18px rgba(79,107,255,.7); }
.btn--warm { color: #1a1205; background: var(--grad-warm); box-shadow: 0 18px 44px -18px rgba(255,138,37,.65); }
.btn--warm:hover { transform: translateY(-2px); }
.btn--ghost { color: var(--ink); border: 1.5px solid var(--line); background: #fff; }
.btn--ghost:hover { border-color: var(--brand); color: var(--brand); transform: translateY(-2px); }
.section--dark .btn--ghost { color: #fff; border-color: var(--dark-line); background: rgba(255,255,255,.04); }
.section--dark .btn--ghost:hover { border-color: var(--cyan); color: var(--cyan); }
.btn--sm { padding: 12px 22px; font-size: 14.5px; }
.btn--lg { padding: 20px 40px; font-size: 18px; }

/* ---------- 顶部滚动进度 ---------- */
.scroll-progress { position: fixed; top: 0; left: 0; height: 3px; width: 0%; z-index: 1000; background: var(--grad-brand); box-shadow: 0 0 12px rgba(79,107,255,.7); }

/* ---------- 彩带礼炮 Canvas ---------- */
#confettiCanvas {
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  pointer-events: none;
  z-index: 800;
}

/* ---------- 头部 / 导航（高端玻璃导航栏） ---------- */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 900;
  height: var(--header-h);
  display: flex; align-items: center;
  /* 深色实底 + 玻璃质感，确保所有页面导航颜色一致 */
  background: rgba(8, 12, 28, .88);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border-bottom: 1px solid rgba(255, 255, 255, .07);
}
.nav { display: flex; align-items: center; justify-content: space-between; width: 100%; }

/* 品牌 */
.brand { display: flex; align-items: center; gap: 12px; }
.brand img {
  height: 52px; width: auto;
  opacity: .98;
  background: transparent;
  transition: opacity .3s ease, transform .3s ease;
}
.brand:hover img { opacity: 1; transform: scale(1.03); }

/* 链接 — 清晰、醒目 */
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  position: relative;
  color: rgba(255, 255, 255, .85);
  font-weight: 600;
  font-size: 21px;
  letter-spacing: .03em;
  padding: 10px 20px;
  border-radius: 12px;
  transition: color .2s ease, background .25s ease;
  text-decoration: none;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 7px; left: 50%; transform: translateX(-50%);
  width: 0; height: 2.5px;
  border-radius: 2px;
  background: linear-gradient(90deg, #a5b4fc, #c084fc);
  opacity: 0;
  transition: opacity .2s ease, width .35s cubic-bezier(.22, 1, .36, 1);
}
.nav-links a:hover {
  color: #fff;
  background: rgba(255, 255, 255, .1);
}
.nav-links a:hover::after { opacity: 1; width: 20px; }
.nav-links a.is-active { color: #fff; font-weight: 700; }
.nav-links a.is-active::after { opacity: 1; width: 22px; }

/* 导航 CTA 区域 */
.nav-cta { display: flex; align-items: center; gap: 12px; }

/* 滚动后 — 加深背景，增强分隔感 */
.header.is-scrolled {
  background: rgba(6, 9, 20, .94);
  backdrop-filter: blur(26px) saturate(180%);
  -webkit-backdrop-filter: blur(26px) saturate(180%);
  border-bottom-color: rgba(255, 255, 255, .05);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .04), 0 12px 40px -12px rgba(0, 0, 0, .45);
}
.header.is-scrolled .nav-links a { color: rgba(255, 255, 255, .88); }
.header.is-scrolled .nav-links a:hover { color: #fff; background: rgba(255, 255, 255, .1); }
.header.is-scrolled .brand img { filter: drop-shadow(0 2px 10px rgba(99, 102, 241, .25)); }

/* 汉堡 */
.nav-toggle {
  display: none; width: 44px; height: 44px;
  border-radius: 13px; align-items: center; justify-content: center; cursor: pointer;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ''; display: block; width: 20px; height: 2px;
  background: rgba(255,255,255,.88); border-radius: 2px;
  transition: .35s cubic-bezier(.22,1,.36,1);
}
.nav-toggle span { position: relative; }
.nav-toggle span::before { position: absolute; top: -7px; }
.nav-toggle span::after { position: absolute; top: 7px; }
.nav-toggle.is-open span { background: transparent; }
.nav-toggle.is-open span::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span::after { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 移动端抽屉 ---------- */
.drawer { display: none; }
@media (max-width: 860px) {
  .drawer {
    display: block;
    position: fixed; inset: 0; z-index: 9999;
    pointer-events: none;
  }
  .drawer.is-open { pointer-events: auto; }
  .drawer__scrim {
    position: absolute; inset: 0;
    background: rgba(0,0,0,.5);
    opacity: 0; transition: opacity .3s ease;
  }
  .drawer.is-open .drawer__scrim { opacity: 1; }
  .drawer__panel {
    position: absolute; top: 0; right: 0;
    width: min(320px, 85vw); height: 100%;
    background: var(--dark);
    border-left: 1px solid var(--dark-line);
    padding: 80px 28px 32px;
    display: flex; flex-direction: column; gap: 6px;
    transform: translateX(100%);
    transition: transform .4s cubic-bezier(.22,1,.36,1);
    overflow-y: auto;
  }
  .drawer.is-open .drawer__panel { transform: translateX(0); }
  .drawer__panel a {
    display: flex; align-items: center;
    padding: 14px 18px;
    font-size: 16px; font-weight: 600;
    color: var(--on-dark-muted);
    border-radius: 12px;
    transition: color .2s, background .2s;
  }
  .drawer__panel a:hover { color: #fff; background: rgba(255,255,255,.06); }
  .drawer__panel .btn--primary {
    margin-top: auto;
    text-align: center; justify-content: center;
  }
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding-top: calc(var(--header-h) + 24px);
  padding-bottom: 50px;
  background: linear-gradient(175deg, #060a16 0%, #0a1026 35%, #0c1430 70%, #080d1e 100%);
  color: #fff;
  position: relative; overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 75% 65% at 50% 45%, #000 0%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 75% 65% at 50% 45%, #000 0%, transparent 80%);
  opacity: .5;
}
.hero__glow {
  position: absolute; width: 600px; height: 600px; border-radius: 50%; filter: blur(110px); opacity: .45;
  background: radial-gradient(circle, rgba(95,226,244,.55), transparent 70%);
  top: 4%; right: 2%; animation: float 9s ease-in-out infinite;
}
.hero__glow.b { background: radial-gradient(circle, rgba(139,92,246,.5), transparent 70%); bottom: -12%; left: 2%; top: auto; right: auto; animation-delay: -3s; width: 500px; height: 500px; }
@keyframes float { 0%,100%{ transform: translateY(0) } 50%{ transform: translateY(-26px) } }
.hero__inner {
  position: relative; z-index: 2;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 56px;
  align-items: center;
  width: 100%;
  padding: 24px 0 36px;
}
.hero__badges { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 34px; }
.hero__badge {
  display: inline-flex; align-items: center; gap: 10px; padding: 9px 18px; border-radius: 999px;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16); font-size: 14px; color: #cfe0ff;
  backdrop-filter: blur(6px);
}
.hero__badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 4px rgba(95,226,244,.25); animation: pulse 2s infinite; }
.hero__badge--gold {
  color: #ffe9b8;
  background: linear-gradient(180deg, rgba(255,196,84,.16), rgba(255,170,40,.06));
  border-color: rgba(255,196,84,.4);
  box-shadow: 0 6px 22px -12px rgba(255,176,40,.6), inset 0 1px 0 rgba(255,255,255,.12);
}
.hero__badge--gold .dot--gold { background: #ffc454; box-shadow: 0 0 0 4px rgba(255,196,84,.25); animation: pulseGold 2s infinite; }
.badge-crown { color: #ffd87a; filter: drop-shadow(0 0 6px rgba(255,196,84,.7)); flex: 0 0 auto; }
@keyframes pulse { 0%,100%{ box-shadow: 0 0 0 4px rgba(95,226,244,.25) } 50%{ box-shadow: 0 0 0 8px rgba(95,226,244,0) } }
@keyframes pulseGold { 0%,100%{ box-shadow: 0 0 0 4px rgba(255,196,84,.25) } 50%{ box-shadow: 0 0 0 8px rgba(255,196,84,0) } }
.hero h1 {
  font: 800 clamp(36px, 5.8vw, 68px)/1.06 var(--font-display);
  letter-spacing: -.025em;
}
.hero h1 .grad {
  background: linear-gradient(110deg, #7ea2ff, #c7a3ff 45%, #5fe2f4);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__tip { margin-top: 22px; color: #c3cde6; font-size: clamp(15px, 1.7vw, 18px); }
.hero__tip p { margin: 5px 0; }
.hero__actions { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
.hero__trust { margin-top: 48px; display: flex; flex-wrap: wrap; gap: 38px; }
.hero__trust > div {
  display: flex; flex-direction: column; gap: 5px;
  padding-right: 32px;
  border-right: 1px solid rgba(255,255,255,.1);
}
.hero__trust > div:last-child { border-right: none; padding-right: 0; }
.hero__trust b {
  color: #fff;
  font: 700 20px/1.2 var(--font-display);
  background: linear-gradient(120deg, #fff 30%, #c7d2ff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__trust span { color: #9aa8cd; font-size: 13px; }
/* hero-panel 响应式 */

/* HERO 视觉 — 统一玻璃终端面板（加大版） */
.hero__visual { display: flex; align-items: center; justify-content: center; }
.hero-panel {
  position: relative;
  width: 100%; max-width: 520px;
  background: rgba(255,255,255,.045);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 24px;
  backdrop-filter: blur(28px) saturate(1.5);
  padding: 0;
  overflow: hidden;
  box-shadow:
    0 10px 50px rgba(0,0,0,.38),
    0 0 90px -20px rgba(99,102,247,.22),
    inset 0 1px 0 rgba(255,255,255,.08);
}
/* 面板头部 */
.hero-panel__header {
  display: flex; align-items: center; gap: 10px;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255,255,255,.07);
  background: rgba(0,0,0,.2);
}
.hero-panel__dots { display: flex; gap: 6px; }
.hero-panel__dots span {
  width: 10px; height: 10px; border-radius: 50%;
  background: rgba(255,255,255,.15);
}
.hero-panel__dots span:nth-child(1){ background: #ff5f57; }
.hero-panel__dots span:nth-child(2){ background: #febc2e; }
.hero-panel__dots span:nth-child(3){ background: #28c840; }
.hero-panel__title {
  font-family: "Sora", monospace;
  font-size: 12px; color: rgba(255,255,255,.4); letter-spacing: .5px;
  margin-left: 6px;
}
.hero-panel__status {
  margin-left: auto;
  display: flex; align-items: center; gap: 6px;
  font-size: 11px; color: #28c840;
}
.hero-panel__led {
  width: 7px; height: 7px; border-radius: 50%;
  background: #28c840;
  box-shadow: 0 0 8px #28c840;
  animation: pulse-led 2s infinite;
}
@keyframes pulse-led { 0%,100%{ opacity:1 } 50%{ opacity:.45 } }

/* 课程方向卡 */
.hero-panel__courses { padding: 22px; display: flex; flex-direction: column; gap: 14px; }
.hpcard {
  display: flex; align-items: center; gap: 18px;
  padding: 18px 20px;
  border-radius: 16px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  transition: all .3s ease;
  cursor: default;
}
.hpcard:hover {
  background: rgba(255,255,255,.09);
  border-color: rgba(255,255,255,.16);
  transform: translateX(4px);
}
.hpcard__icon {
  width: 52px; height: 52px; border-radius: 14px;
  display: grid; place-items: center; flex-shrink: 0;
  color: #fff;
}
.hpcard__icon svg { width: 28px; height: 28px; }
.hpcard--linux .hpcard__icon { background: linear-gradient(135deg, #408dd5, #2563eb); }
.hpcard--k8s  .hpcard__icon { background: linear-gradient(135deg, #c03495, #7c3aed); }
.hpcard--ai   .hpcard__icon { background: linear-gradient(135deg, #2c7be5, #06b6d4); }

.hpcard__body { flex: 1; min-width: 0; }
.hpcard__label {
  display: block; font-weight: 600; font-size: 15px; color: #eaf0ff; line-height: 1.3;
}
.hpcard__sub {
  display: block; font-size: 13px; color: #9aa8cd; margin-top: 3px;
}

.hpcard__arrow {
  color: rgba(255,255,255,.25); flex-shrink: 0;
  transition: all .25s ease;
}
.hpcard:hover .hpcard__arrow { color: var(--cyan); transform: translateX(2px); }

/* 终端装饰行 */
.hero-panel__terminal {
  margin: 0 18px 14px;
  padding: 12px 16px;
  border-radius: 10px;
  background: rgba(0,0,0,.35);
  border: 1px solid rgba(255,255,255,.05);
  font-family: "Sora", "Fira Code", monospace;
  font-size: 13px; color: #9aa8cd;
  display: flex; align-items: center; gap: 6px;
  overflow: hidden;
}
.term-prompt { color: var(--cyan); font-weight: 600; }
.term-cmd { color: #eaf0ff; }
.term-cursor {
  width: 7px; height: 14px; background: var(--cyan);
  margin-left: 4px;
  animation: blink .9s step-end infinite;
  border-radius: 2px;
  flex-shrink: 0;
}
@keyframes blink { 50%{ opacity: 0 } }

/* 面板底部二维码区 */
.hero-panel__footer {
  margin: 6px 18px 18px;
  padding: 16px 20px;
  border-radius: 16px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08);
  display: flex; align-items: center; gap: 16px;
}
.hero-panel__footer img {
  width: 110px; height: auto; border-radius: 12px;
  flex-shrink: 0;
  background: #fff; padding: 4px;
}
.hero-panel__qr-text {
  font-size: 14px; line-height: 1.65;
  color: #9aa8cd;
}
.hero-panel__qr-text br { display: block; }

/* 面板装饰光效 */
.hero-panel__glow {
  position: absolute; border-radius: 50%;
  pointer-events: none;
}
.hero-panel__glow--1 {
  width: 200px; height: 200px;
  top: -60px; right: -60px;
  background: radial-gradient(circle, rgba(79,107,255,.22), transparent 70%);
  filter: blur(20px);
}
.hero-panel__glow--2 {
  width: 160px; height: 160px;
  bottom: -40px; left: -40px;
  background: radial-gradient(circle, rgba(139,92,246,.18), transparent 70%);
  filter: blur(16px);
}

/* 滚动提示 */
.scroll-hint { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); z-index: 3; color: rgba(255,255,255,.6); font-size: 12px; letter-spacing: .2em; text-align: center; }
.scroll-hint::after { content: ""; display: block; width: 1px; height: 34px; margin: 10px auto 0; background: linear-gradient(rgba(255,255,255,.6), transparent); animation: drop 1.8s infinite; }
@keyframes drop { 0%{ transform: scaleY(0); transform-origin: top } 50%{ transform: scaleY(1); transform-origin: top } 50.1%{ transform-origin: bottom } 100%{ transform: scaleY(0); transform-origin: bottom } }

/* ---------- 信任/合作 logo 带 ---------- */
.logos { padding: 40px 0; border-bottom: 1px solid var(--line); background: var(--bg); }
.logos__row { display: flex; flex-wrap: wrap; gap: 14px 40px; align-items: center; justify-content: center; opacity: .8; }
.logos__row span { font: 600 16px/1 var(--font-display); color: var(--muted); letter-spacing: .02em; }

/* ---------- 通用卡片网格 ---------- */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 30px; box-shadow: var(--shadow-sm); transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }

/* ===== 全周期陪伴 - 旅程时间线 8步 ===== */
.section--journey {
  background: linear-gradient(180deg, #f0f4ff 0%, #eef2ff 50%, #f5f0ff 100%);
  position: relative; overflow: hidden;
}
.section--journey::before {
  content: ''; position: absolute; top: -120px; right: -80px;
  width: 400px; height: 400px; border-radius: 50%;
  background: radial-gradient(circle, rgba(99,102,241,.08) 0%, transparent 70%);
}
.journey {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: auto;
  gap: 24px 40px;
  position: relative; padding: 20px 0 10px;
}
/* 行间折行占满整行 */
.journey__break { display: none; }
.journey__step {
  display: flex; flex-direction: row; align-items: flex-start;
  text-align: left; gap: 22px;
  padding: 28px 32px;
  border-radius: 20px;
  background: #fff;
  border: 1px solid rgba(79,107,255,.08);
  box-shadow: 0 2px 18px -4px rgba(0,0,0,.05);
  transition: transform .3s ease, box-shadow .3s ease;
}
.journey__step:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 32px -8px rgba(79,107,255,.15);
}
.journey__num {
  width: 58px; height: 58px; min-width: 58px; border-radius: 18px;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  color: #fff; font-weight: 800; font-size: 20px;
  display: grid; place-items: center;
  box-shadow: 0 4px 16px rgba(79,70,229,.3);
}
.journey__body { margin-top: 0; padding: 0; }
.journey__body h4 {
  font-size: 19px; font-weight: 700; color: var(--ink-1); margin-bottom: 7px;
}
.journey__body p {
  font-size: 14.5px; color: var(--ink-3); line-height: 1.75;
}
.journey__connector {
  display: none;
}

/* ===== 荣誉认可 6 卡片 ===== */
.section--honors { background: var(--bg); }
.honors-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.honor-card {
  position: relative; padding: 28px 24px;
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, #fff, #f7f9ff);
  border: 1px solid rgba(99,102,241,.12);
  box-shadow: 0 2px 10px rgba(30,41,90,.05);
  transition: transform .35s cubic-bezier(.2,.7,.3,1), box-shadow .35s, border-color .35s;
  overflow: hidden;
}
.honor-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--brand), var(--accent));
  transform: scaleX(0); transform-origin: left; transition: transform .35s ease;
}
.honor-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 40px rgba(79,70,229,.16);
  border-color: rgba(99,102,241,.35);
}
.honor-card:hover::before { transform: scaleX(1); }
.honor-card__icon {
  width: 52px; height: 52px; border-radius: 14px; margin-bottom: 16px;
  background: linear-gradient(135deg, var(--grad-brand));
  color: #fff; display: grid; place-items: center;
  box-shadow: 0 6px 16px rgba(79,70,229,.28);
}
.honor-card__icon svg { width: 26px; height: 26px; }
.honor-card h4 { font-size: 17px; font-weight: 700; color: var(--ink-1); margin-bottom: 8px; }
.honor-card p { font-size: 13.5px; color: var(--ink-3); line-height: 1.7; }
.honor-card--gold {
  background: linear-gradient(160deg, #fffdf7, #fef6e7);
  border-color: rgba(217,160,43,.3);
}
.honor-card--gold .honor-card__icon {
  background: linear-gradient(135deg, #f7b733, #d99a1c);
  box-shadow: 0 6px 16px rgba(217,160,43,.3);
}
.honor-card--gold::before { background: linear-gradient(90deg, #f7b733, #e0a92e); }

/* ---------- 课程卡 ---------- */
.course {
  position: relative; overflow: hidden; border-radius: var(--r-xl); padding: 40px; color: #fff;
  min-height: 380px; display: flex; flex-direction: column;
  background: linear-gradient(160deg, #1a2540 0%, #131c33 100%);
  box-shadow: var(--shadow); border: 1px solid rgba(255,255,255,.08);
  transition: transform .35s ease, box-shadow .35s ease;
}
.course::before {
  content: ""; position: absolute; inset: 0; opacity: .92; z-index: 0;
  background: var(--card-grad, var(--grad-card));
  transition: transform .6s ease;
}
.course::after {
  content: ""; position: absolute; inset: 0; z-index: 0; opacity: .35;
  background: radial-gradient(420px 220px at 100% 0%, rgba(255,255,255,.35), transparent 60%);
}
.course > * { position: relative; z-index: 1; }
.course:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.course:hover::before { transform: scale(1.06); }
.course__tag { align-self: flex-start; font-size: 13px; font-weight: 600; letter-spacing: .08em; padding: 7px 14px; border-radius: 999px; background: rgba(255,255,255,.18); backdrop-filter: blur(4px); }
.course__title { font: 700 26px/1.2 var(--font-display); margin: 18px 0 16px; }
.course__list { margin-top: auto; display: grid; gap: 9px; }
.course__list li { display: flex; gap: 10px; font-size: 15.5px; color: rgba(255,255,255,.92); }
.course__list li::before { content: "✓"; color: #fff; font-weight: 700; }
.course__more { margin-top: 22px; display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 15px; }
.course__more svg { width: 16px; height: 16px; transition: transform .25s; }
.course:hover .course__more svg { transform: translateX(5px); }

/* ---------- 服务体系 Tabs ---------- */
.tabs { display: inline-flex; gap: 6px; padding: 6px; background: var(--bg-tint); border-radius: 999px; margin: 0 auto 36px; }
.tab { padding: 12px 28px; border-radius: 999px; font-weight: 600; font-size: 15px; color: var(--ink-2); transition: .25s; }
.tab.is-active { color: #fff; background: var(--grad-brand); box-shadow: var(--shadow-glow); }
.tab-panel { display: none; }
.tab-panel.is-active { display: grid; animation: fadeUp .5s ease; }
.service-card {
  position: relative; overflow: hidden; border-radius: var(--r-lg); padding: 32px 28px; color: #fff;
  background: linear-gradient(160deg, #141d33, #0d1426); border: 1px solid var(--dark-line);
  transition: transform .3s, box-shadow .3s;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.service-card .ico { width: 64px; height: 64px; border-radius: 16px; background: rgba(255,255,255,.06); display: grid; place-items: center; margin-bottom: 20px; }
.service-card .ico img { width: 100%; height: 100%; object-fit: contain; }
.service-card h4 { font: 700 19px/1.3 var(--font-display); margin-bottom: 10px; }
.service-card p { color: var(--on-dark-muted); font-size: 14.5px; }

/* ---------- 名师 ---------- */
.teacher { position: relative; border-radius: var(--r-xl); overflow: hidden; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-sm); transition: transform .3s, box-shadow .3s; }
.teacher::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, #4f6bff, #7c5cfc); z-index: 2; }
.teacher:hover { transform: translateY(-8px); box-shadow: 0 20px 48px rgba(79,107,255,.18); }
.teacher__top { padding: 34px 32px 26px; display: flex; gap: 20px; align-items: center; background: var(--grad-brand-soft); border-bottom: 1px solid var(--line); }
.teacher__avatar { width: 72px; height: 72px; flex: 0 0 72px; border-radius: 50%; object-fit: cover; border: 3px solid #fff; box-shadow: var(--shadow-sm); }
.teacher__name { font: 700 22px/1.2 var(--font-display); }
.teacher__role { font-size: 15px; color: var(--brand-600); font-weight: 700; margin-top: 6px; }
.teacher__body { padding: 26px 32px 32px; color: var(--muted); font-size: 15.5px; }
.teacher__body p { margin: 0; }
.teacher__quote { font-size: 26px; color: var(--brand); opacity: .25; line-height: 1; }

/* ---------- VIP 试听 ---------- */
.vip { display: flex; gap: 22px; align-items: center; padding: 26px; border-radius: var(--r-lg); background: linear-gradient(160deg, #fff, var(--bg-soft)); border: 1px solid var(--line); transition: .3s; }
.vip:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: transparent; }
.vip__cover { flex: none; width: 72px; height: 72px; border-radius: 18px; display: grid; place-items: center; background: var(--card-grad, var(--grad-card)); }
.vip__cover img { width: 38px; height: 38px; filter: brightness(0) invert(1); }
.vip h3 { font: 600 19px/1.4 var(--font-display); }
.vip__tags { display: flex; gap: 9px; margin: 10px 0; }
.vip__tags span { font-size: 13px; color: var(--brand-600); background: var(--grad-brand-soft); padding: 4px 12px; border-radius: 999px; }
.vip__btn { margin-left: auto; color: #fff; background: var(--grad-brand); padding: 12px 22px; border-radius: 999px; font-size: 15px; font-weight: 600; white-space: nowrap; transition: transform .25s; }
.vip:hover .vip__btn { transform: scale(1.04); }

/* ---------- 痛点 / 方案 ---------- */
.pp { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: stretch; }
.pp__col h3 { font: 700 22px/1.3 var(--font-display); margin-bottom: 18px; }
.pp__item { display: flex; gap: 14px; padding: 16px; border-radius: var(--r); background: #fff; border: 1px solid var(--line); margin-bottom: 12px; }
.pp__num { flex: none; width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; font: 700 15px var(--font-display); color: #fff; background: var(--grad-warm); }
.pp--plan .pp__num { background: var(--grad-brand); }
.pp__item p { font-size: 15px; color: var(--ink-2); }
.pp--prob { background: linear-gradient(180deg, #fff, #fff6ef); border: 1px solid #ffe2cc; border-radius: var(--r-lg); padding: 28px; }
.pp--plan { background: linear-gradient(180deg, #fff, #f0f4ff); border: 1px solid #dbe4ff; border-radius: var(--r-lg); padding: 28px; }

/* ---------- 内推渠道 ---------- */
.refer { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
.refer__stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 26px; }
.refer__stat { background: rgba(255,255,255,.05); border: 1px solid var(--dark-line); border-radius: var(--r); padding: 20px; text-align: center; }
.refer__stat b { display: block; font: 800 30px/1 var(--font-display); background: linear-gradient(120deg,#7ea2ff,#5fe2f4); -webkit-background-clip: text; background-clip: text; color: transparent; }
.refer__stat span { color: var(--on-dark-muted); font-size: 13px; }
.refer__card { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14); border-radius: var(--r-lg); padding: 28px; backdrop-filter: blur(10px); }
.refer__card h4 { font: 700 18px var(--font-display); margin-bottom: 14px; }
.refer__list li { display: flex; gap: 10px; color: var(--on-dark-muted); padding: 8px 0; font-size: 14.5px; }
.refer__list li::before { content: "→"; color: var(--cyan); font-weight: 700; }

/* ---------- CTA 横幅 ---------- */
.cta-band { position: relative; overflow: hidden; border-radius: var(--r-xl); padding: clamp(40px, 6vw, 72px); text-align: center; color: #fff;
  background: linear-gradient(120deg, #2c3fb8, #6d3fd6 55%, #4f6bff);
  box-shadow: var(--shadow-lg); }
.cta-band::before { content:""; position:absolute; inset:0; background: radial-gradient(600px 300px at 20% 0%, rgba(95,226,244,.4), transparent 60%); }
.cta-band > * { position: relative; z-index: 1; }
.cta-band h2 { font: 800 clamp(26px, 4vw, 42px)/1.2 var(--font-display); }
.cta-band p { margin: 16px auto 30px; max-width: 620px; color: rgba(255,255,255,.88); font-size: 17px; }

/* ---------- 页脚 ---------- */
.footer { background: var(--dark); color: var(--on-dark-muted); padding: 24px 0 18px; }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 48px; }
.footer__brand img { height: 42px; margin-bottom: 20px; filter: none; background: transparent; }
.footer__brand p { font-size: 15px; max-width: 340px; }
.footer__col h5 { color: #fff; font: 600 17px var(--font-display); margin-bottom: 18px; }
.footer__col a { display: block; padding: 8px 0; font-size: 15px; color: var(--on-dark-muted); transition: color .2s; }
.footer__col a:hover { color: var(--cyan); }
.footer__bottom { margin-top: 24px; padding-top: 18px; border-top: 1px solid var(--dark-line); display: flex; flex-wrap: wrap; gap: 18px; justify-content: space-between; font-size: 13.5px; }
.footer__bottom a { color: var(--on-dark-muted); }
.footer__qr { margin-top: 20px; }
.footer__qr img { width: 118px; height: auto; border-radius: 10px; border: 1px solid rgba(255,255,255,.12); mix-blend-mode: multiply; }

/* ---------- 返回顶部 ---------- */
.to-top { position: fixed; right: 24px; bottom: 24px; z-index: 800; width: 50px; height: 50px; border-radius: 14px; background: var(--grad-brand); color: #fff; display: grid; place-items: center; box-shadow: var(--shadow-glow); opacity: 0; transform: translateY(20px); pointer-events: none; transition: .3s; }
.to-top.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.to-top:hover { transform: translateY(-3px); }
/* 页面同时含悬浮咨询 CTA 时，把返回顶部按钮上移，避免重叠 */
body:has(.float-cta) .to-top { bottom: 200px; }

/* ---------- 滚动揭示动画 ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s cubic-bezier(.22,1,.36,1), transform .7s cubic-bezier(.22,1,.36,1); }
.reveal.in { opacity: 1; transform: none; }
[data-delay="1"] { transition-delay: .08s; }
[data-delay="2"] { transition-delay: .16s; }
[data-delay="3"] { transition-delay: .24s; }
[data-delay="4"] { transition-delay: .32s; }
[data-delay="5"] { transition-delay: .4s; }

@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

/* ---------- 课程大纲时间轴 ---------- */
.curriculum { position: relative; margin-top: 20px; padding-left: 28px; }
.curriculum::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(var(--brand), var(--cyan)); }
.stage { position: relative; padding: 0 0 26px 0; }
.stage::before { content: ""; position: absolute; left: -28px; top: 4px; width: 16px; height: 16px; border-radius: 50%; background: #fff; border: 4px solid var(--brand); box-shadow: 0 0 0 4px rgba(79,107,255,.15); }
.stage__no { font: 700 13px var(--font-display); color: var(--brand); letter-spacing: .05em; }
.stage__title { font: 700 17px/1.4 var(--font-display); margin: 4px 0 6px; color: var(--ink); }
.stage__desc { font-size: 14.5px; color: var(--muted); }
.course-hero-tabs { display:flex; gap:10px; flex-wrap:wrap; justify-content:center; margin-top: 10px; }

/* ============================================================
   新增板块样式 — 荣誉认证 / 服务12条 / 趋势 / AIOps / 企业墙 / 价格
   ============================================================ */

/* ---- 荣誉认证带 ---- */
.honors { padding: 56px 0 44px; background: var(--bg); border-bottom: 1px solid var(--line); }
.honors__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}
.honor-badge {
  display: flex; align-items: center; gap: 14px;
  padding: 18px 20px;
  border-radius: var(--r);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  transition: all .3s ease;
}
.honor-badge:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); border-color: var(--brand); }
.honor-badge__icon {
  width: 42px; height: 42px; min-width: 42px;
  border-radius: 12px;
  display: grid; place-items: center;
  font-size: 18px;
  background: linear-gradient(135deg, rgba(79,107,255,.1), rgba(139,92,246,.08));
  color: var(--brand);
}
.honor-badge--gold .honor-badge__icon {
  background: linear-gradient(135deg, rgba(255,138,37,.15), rgba(255,190,84,.1));
  color: var(--accent);
}
.honor-badge span { font-size: 13.5px; color: var(--ink-2); line-height: 1.5; font-weight: 500; }
.honors__partners, .honors__media { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.honors__label { font-size: 12px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .08em; }
.honors__partner-tags span, .honors__media-tags span {
  padding: 6px 14px; border-radius: 999px; font-size: 13px; font-weight: 500;
  background: var(--bg-tint); color: var(--ink-2); border: 1px solid var(--line);
}
.honors__media-tags span { background: linear-gradient(135deg,rgba(79,107,255,.06),rgba(139,92,246,.04)); border-color: rgba(79,107,255,.15); }

/* ---- 服务体系 12 条 ---- */
.svc-grid { gap: 20px; }
.svc-item {
  position: relative;
  background: linear-gradient(145deg, rgba(255,255,255,.045), rgba(255,255,255,.02));
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 20px;
  padding: 30px 24px;
  transition: all .4s cubic-bezier(.22,1,.36,1);
  overflow: hidden;
}
/* 卡片顶部装饰线 */
.svc-item::before {
  content: ''; position: absolute; top: 0; left: 20px; right: 20px;
  height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, transparent, var(--brand), var(--violet), var(--cyan), transparent);
  opacity: 0; transition: opacity .4s ease;
}
.svc-item:hover::before { opacity: 1; }
/* 角落光晕 */
.svc-item::after {
  content: ''; position: absolute; top: -40px; right: -40px;
  width: 100px; height: 100px; border-radius: 50%;
  background: radial-gradient(circle, rgba(79,107,255,.15) 0%, transparent 70%);
  opacity: 0; transition: opacity .4s ease;
  pointer-events: none;
}
.svc-item:hover::after { opacity: 1; }
.svc-item:hover {
  background: linear-gradient(145deg, rgba(255,255,255,.07), rgba(255,255,255,.03));
  border-color: rgba(79,107,255,.25);
  transform: translateY(-6px);
  box-shadow: 0 16px 48px -12px rgba(79,107,255,.18),
              0 0 0 1px rgba(139,92,246,.1);
}
.svc-item__n {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 14px;
  font: 800 17px/1 var(--font-display);
  background: linear-gradient(135deg, rgba(79,107,255,.18), rgba(139,92,246,.14));
  color: var(--brand);
  border: 1px solid rgba(79,107,255,.2);
  margin-bottom: 14px;
  letter-spacing: -.02em;
  transition: all .4s ease;
}
.svc-item:hover .svc-item__n {
  background: linear-gradient(135deg, var(--brand), var(--violet));
  color: #fff;
  box-shadow: 0 6px 20px -4px rgba(79,107,255,.5);
  transform: scale(1.06);
}
.svc-item h4 {
  font: 700 19px/1.3 var(--font-display);
  color: #eaf0ff;
  margin-bottom: 8px;
  transition: color .3s ease;
}
.svc-item:hover h4 { color: #fff; }
.svc-item p {
  font-size: 13.8px;
  color: #8a9bc4;
  line-height: 1.7;
  transition: color .3s ease;
}
.svc-item:hover p { color: #a8b9d8; }

/* ---- IT 趋势紧迫感 ---- */
.trend-stats {
  display: flex; justify-content: center; gap: 18px; flex-wrap: wrap;
  margin: 32px 0 14px;
}
.trend-stat {
  text-align: center; padding: 20px 28px;
  background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--r); min-width: 130px;
}
.trend-stat__num { font: 800 38px/1 var(--font-display); color: #fff; }
.trend-stat__num span { font-size: 17px; font-weight: 600; color: #9aa8cd; }
.trend-stat__lbl { font-size: 13.5px; color: #9aa8cd; margin-top: 5px; }
.trend-stat--hot .trend-stat__num { color: var(--accent); }
.trend-stat--hot { border-color: rgba(255,138,37,.25); background: rgba(255,138,37,.05); }
.trend-stat--alert .trend-stat__num { color: #ef4444; }
.trend-stat--alert { border-color: rgba(239,68,68,.25); background: rgba(239,68,68,.05); }
.trend-tagline {
  text-align: center; font-size: clamp(15px, 2vw, 19px);
  font-weight: 700; color: var(--accent);
  margin-bottom: 40px;
}

/* 三段 timeline */
.timeline-3 {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.t3-card {
  background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--r-lg); padding: 30px 26px;
  position: relative; overflow: hidden;
}
.t3-card h4 { font: 700 22px/1.3 var(--font-display); color: #eaf0ff; margin: 16px 0 14px; }
.t3-card ul { list-style: none; padding: 0; margin: 0; }
.t3-card li {
  position: relative; padding-left: 20px; margin-bottom: 9px;
  font-size: 15px; color: #b8c4e0; line-height: 1.6;
}
.t3-card li::before { content: "·"; position: absolute; left: 4px; color: var(--cyan); font-weight: 900; font-size: 20px; line-height: 1.2; }
.t3__marker {
  display: inline-block; padding: 5px 16px; border-radius: 999px;
  font-size: 13px; font-weight: 700; letter-spacing: .06em;
  background: rgba(255,255,255,.08); color: #9aa8cd;
}
.t3__marker--now { background: rgba(255,190,84,.15); color: var(--accent-2); }
.t3__marker--future { background: rgba(95,226,244,.15); color: var(--cyan); }
.t3__verdict {
  margin-top: 18px; padding: 12px 16px; border-radius: 10px;
  font-size: 13px; font-weight: 600; text-align: center;
}
.t3__verdict--bad { background: rgba(239,68,68,.1); color: #fca5a5; border: 1px solid rgba(239,68,68,.15); }
.t3__verdict--warn { background: rgba(255,190,84,.1); color: #ffd699; border: 1px solid rgba(255,190,84,.2); }
.t3__verdict--good { background: rgba(34,197,94,.1); color: #86efac; border: 1px solid rgba(34,197,94,.15); }

.trend-conclusion { margin-top: 40px; }
.trend-conclusion blockquote {
  border-left: 4px solid var(--brand); padding: 24px 28px;
  background: rgba(79,107,255,.06); border-radius: 0 var(--r) var(--r) 0;
  font-size: 15px; line-height: 1.75; color: #c3cde6;
}
.trend-conclusion strong { color: #eaf0ff; }
.trend-conclusion em { color: var(--cyan); }

/* ---- AIOps 课程亮点 ---- */
.aiops-grid { align-items: start; }
.aiops-group-title {
  font: 700 17px/1.4 var(--font-display); color: #eaf0ff;
  margin-bottom: 16px; padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.aiops-list { display: flex; flex-direction: column; gap: 10px; }
.aiops-item {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 12px 16px; border-radius: 10px;
  background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.06);
  font-size: 14px; color: #c3cde6; line-height: 1.5;
  transition: all .25s ease;
}
.aiops-item:hover { background: rgba(255,255,255,.06); border-color: rgba(79,107,255,.2); }
.aiops-check { color: #34d399; font-weight: 900; font-size: 15px; flex-shrink: 0; margin-top: 1px; }

/* ---- 就业企业 Logo 墙 ---- */
/* 企业 LOGO 双向滚动墙 */
.company-marquee {
  position: relative;
  overflow: hidden;
  margin-top: 8px;
  padding: 28px 0 0;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 4%, #000 96%, transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0%, #000 4%, #000 96%, transparent 100%);
  display: flex; flex-direction: column; gap: 18px;
}
.company-marquee__track {
  display: flex;
  width: max-content;
}
.company-marquee__track--left {
  animation: marqueeLeft 60s linear infinite;
}
.company-marquee__track--right {
  animation: marqueeRight 80s linear infinite;
}
.company-marquee__track img {
  height: 68px; width: auto;
  object-fit: contain; flex-shrink: 0;
}
/* 下行图片水平翻转，配合反向滚动使 LOGO 正向显示 */
.company-marquee__track--right img { transform: scaleX(-1); }
.company-marquee:hover .company-marquee__track { animation-play-state: paused; }
@keyframes marqueeLeft {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@keyframes marqueeRight {
  from { transform: translateX(-50%); }
  to   { transform: translateX(0); }
}

/* ---- 价格 CTA 区 ---- */
.section--pricing { padding: 60px 0 80px; background: linear-gradient(170deg, #0d1426 0%, #131c33 50%, #0a0f1e 100%); }
.pricing-card {
  display: grid; grid-template-columns: 1fr 300px; gap: 36px; align-items: start;
  max-width: 980px; margin: 0 auto;
  background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.1);
  border-radius: 24px; padding: 40px; backdrop-filter: blur(16px);
  box-shadow: 0 30px 80px -20px rgba(0,0,0,.5);
}
.pricing-card__badge {
  display: inline-block; padding: 5px 14px; border-radius: 999px;
  font-size: 12px; font-weight: 700; color: #fff;
  background: linear-gradient(120deg, #ff8a25, #ffbe54);
  margin-bottom: 16px;
}
.pricing-card__title { font: 800 30px/1.2 var(--font-display); color: #fff; margin-bottom: 20px; }
.pricing-card__price { display: flex; align-items: baseline; gap: 4px; margin-bottom: 16px; }
.pricing-card__currency { font: 700 28px; color: var(--accent); }
.pricing-card__amount { font: 800 64px/1 var(--font-display); background: linear-gradient(120deg, #ff8a25, #ffbe54); -webkit-background-clip: text; background-clip: text; color: transparent; }
.pricing-card__period { font-size: 16px; color: #9aa8cd; }
.pricing-card__schedule {
  font-size: 14px; color: #9aa8cd; padding: 14px 18px;
  background: rgba(255,255,255,.04); border-radius: 12px; margin-bottom: 24px;
  line-height: 1.7;
}
.pricing-card__perks { display: flex; flex-direction: column; gap: 12px; margin-bottom: 28px; }
.perk {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 14px 16px; border-radius: 12px;
  background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.06);
  font-size: 14px; color: #c3cde6; line-height: 1.55;
}
.perk__icon { font-size: 20px; flex-shrink: 0; }
.perk b { color: #eaf0ff; }
.pricing-card__actions { display: flex; gap: 14px; flex-wrap: wrap; }
.pricing-card__side {
  text-align: center; padding: 24px;
  background: rgba(255,255,255,.03); border-radius: 16px;
  border: 1px solid rgba(255,255,255,.06);
}
.pricing-card__side img { width: 160px; height: 160px; border-radius: 14px; background: #fff; padding: 6px; margin-bottom: 14px; }
.pricing-card__side p { font-size: 14px; color: #9aa8cd; line-height: 1.65; }
.pricing-card__side b { color: #eaf0ff; font-size: 16px; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; gap: 44px; }
  .hero__visual { order: -1; }
  .hero-panel { max-width: 100%; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .refer { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .timeline-3 { grid-template-columns: 1fr; }
  .pricing-card { grid-template-columns: 1fr; padding: 30px; }
  .pricing-card__side { order: -1; }
  .journey { grid-template-columns: repeat(2, 1fr); gap: 18px 22px; }
  .journey__step { padding: 22px 24px; gap: 18px; }
  .journey__num { width: 50px; height: 50px; min-width: 50px; font-size: 18px; border-radius: 14px; }
  .journey__body h4 { font-size: 17px; }
}
@media (max-width: 860px) {
  .header { padding: 10px 12px 0; }
  .header .nav-pill { padding: 10px 12px 10px 16px; border-radius: 18px; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .pp { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .refer__stats { grid-template-columns: repeat(3, 1fr); }
  .hero h1 { font-size: clamp(34px, 10vw, 54px); }
  .honors__grid { grid-template-columns: 1fr; }
  .honors-grid { grid-template-columns: repeat(2, 1fr); }
  .svc-grid { grid-template-columns: 1fr 1fr; }
  .trend-stats { gap: 12px; }
  .trend-stat { padding: 14px 20px; min-width: 100px; }
  .journey { grid-template-columns: 1fr; gap: 16px; }
  .journey__step { padding: 20px 22px; gap: 18px; }
  .trend-stat__num { font-size: 28px; }
}
@media (max-width: 560px) {
  .container { padding: 0 18px; }
  .grid-4 { grid-template-columns: 1fr; }
  .refer__stats { grid-template-columns: 1fr; }
  .honors-grid { grid-template-columns: 1fr; }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__actions .btn { width: 100%; }
  .svc-grid { grid-template-columns: 1fr; }
  .pricing-card__actions { flex-direction: column; }
  .pricing-card__actions .btn { width: 100%; }
}

/* ---------- 课程详细大纲（可折叠） ---------- */
.syllabus { display: flex; flex-direction: column; gap: 14px; max-width: 980px; margin: 0 auto; }
.syllabus-toggle {
  display: inline-flex; align-items: center; gap: 6px;
  margin-left: auto;
  padding: 9px 18px; font-size: 15px; font-weight: 600;
  color: var(--brand);
  background: var(--grad-brand-soft);
  border: 1px solid rgba(79,107,255,.25);
  border-radius: 999px;
  cursor: pointer;
  transition: background .25s ease, transform .2s ease, box-shadow .25s ease;
}
.syllabus-toggle:hover { background: rgba(79,107,255,.14); transform: translateY(-1px); box-shadow: 0 6px 18px -8px rgba(79,107,255,.5); }
@media (max-width: 640px) { .syllabus-toggle { margin-left: 0; margin-top: 12px; } }

.stage-acc {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  overflow: hidden; box-shadow: var(--shadow-sm);
  transition: box-shadow .3s ease, border-color .3s ease;
}
.stage-acc[open] { box-shadow: var(--shadow); border-color: rgba(79,107,255,.35); }
.stage-acc > summary {
  list-style: none; cursor: pointer; user-select: none;
  display: flex; align-items: center; gap: 16px; padding: 20px 26px;
}
.stage-acc > summary::-webkit-details-marker { display: none; }
.stage-acc__no {
  flex: 0 0 auto; font: 700 15px/1 var(--font-display); letter-spacing: .04em;
  color: #fff; padding: 7px 13px; border-radius: 10px;
  background: linear-gradient(135deg, #4f6bff, #8b5cf6);
  white-space: nowrap;
}
.stage-acc__title { font: 700 20px/1.45 var(--font-display); color: var(--ink); }
.stage-acc__chev {
  margin-left: auto; flex: 0 0 auto; color: var(--muted);
  transition: transform .3s cubic-bezier(.22,1,.36,1);
}
.stage-acc[open] > summary { border-bottom: 1px solid var(--line); }
.stage-acc[open] .stage-acc__chev { transform: rotate(180deg); color: var(--brand); }
.stage-acc__body { padding: 10px 26px 26px; }

.module { padding: 18px 0; border-bottom: 1px dashed var(--line); }
.module:last-child { border-bottom: none; padding-bottom: 4px; }
.module__title { font: 700 18px/1.4 var(--font-display); color: var(--brand); margin-bottom: 12px; }

.mod-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 7px 30px; }
.mod-list li { position: relative; padding-left: 18px; color: var(--muted); font-size: 15.5px; line-height: 1.6; }
.mod-list li::before {
  content: ""; position: absolute; left: 0; top: 8px;
  width: 6px; height: 6px; border-radius: 50%;
  background: linear-gradient(135deg, #4f6bff, #8b5cf6);
}
.sub-list { list-style: none; margin: 8px 0 0; padding: 0 0 0 18px; }
.sub-list li { position: relative; padding-left: 16px; color: var(--ink-2); font-size: 13.5px; line-height: 1.6; }
.sub-list li::before { content: "–"; position: absolute; left: 0; color: var(--brand); font-weight: 700; }

@media (max-width: 720px) {
  .mod-list { grid-template-columns: 1fr; }
  .stage-acc__title { font-size: 16px; }
  .stage-acc > summary { padding: 16px 18px; gap: 12px; }
  .stage-acc__body { padding: 8px 18px 20px; }
}

/* ============================================================
   关于我们页 — 宽屏大气布局
   ============================================================ */

/* --- Hero（左文右视频） --- */
/* ===== 关于页 Hero（暗色沉浸式，与首页统一） ===== */
.about-hero {
  position: relative; min-height: 680px;
  display: flex; align-items: center;
  overflow: hidden;
  background: linear-gradient(180deg, #0a0f1e 0%, #0c122b 40%, #101836 100%);
  padding-top: 100px; /* 与导航栏拉开距离 */
}
.about-hero__bg { position: absolute; inset: 0; z-index: 0; }
.about-hero__inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px; align-items: center;
  padding-bottom: 72px;
}
/* 左侧视频 */
.about-hero__video-wrap {
  position: relative; border-radius: 20px; overflow: hidden;
  box-shadow: 0 28px 72px -16px rgba(0,0,0,.6), 0 0 0 1px rgba(255,255,255,.06), 0 0 80px -20px rgba(99,102,247,.25);
  aspect-ratio: 16/10;
}
/* 右侧内容 */
.about-hero__content { color: #fff; }
.about-hero__content .eyebrow { margin-bottom: 16px; }
.about-hero__content h2 {
  font-size: clamp(32px, 4vw, 50px); font-weight: 800; line-height: 1.15;
  margin-bottom: 24px; color: #fff;
}
.about-intro__text {
  font-size: clamp(15.5px, 1.45vw, 18px); color: rgba(255,255,255,.65); line-height: 1.8;
  margin-bottom: 28px;
}
.about-intro__text strong { color: rgba(255,255,255,.92); }
.about-hero__video-label {
  position: absolute; bottom: 14px; left: 16px;
  font-size: 12px; color: rgba(255,255,255,.55);
  background: rgba(0,0,0,.5); backdrop-filter: blur(10px);
  padding: 5px 12px; border-radius: 8px;
}

/* --- 使命卡片（在 Hero 右侧使用） --- */
.about-mission {
  display: flex; gap: 20px; margin-top: 30px;
  padding: 24px 28px; border-radius: 18px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  backdrop-filter: blur(14px);
}
.about-mission__icon {
  width: 48px; height: 48px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--brand), #8b5cf6);
  border-radius: 13px; display: flex; align-items: center; justify-content: center;
}
.about-mission__icon svg { width: 26px; height: 26px; stroke: #fff; }
.about-mission h4 { font: 700 18px/1.3 var(--font-display); color: #e8ecf4; margin-bottom: 6px; }
.about-mission p { font-size: 14.5px; color: rgba(255,255,255,.55); line-height: 1.7; }

/* 统计数字 */
.about-intro__stats {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  position: sticky; top: calc(var(--header-h) + 24px);
}
.about-stat {
  text-align: center; padding: 24px 12px; border-radius: 16px;
  background: #f7f8fc; border: 1px solid rgba(79,107,255,.08);
}
.about-stat b {
  display: block; font: 800 36px/1 var(--font-display);
  color: var(--brand-700);
}
.about-stat b span { font-size: 20px; vertical-align: super; }
.about-stat span { display: block; font-size: 13px; color: var(--muted); margin-top: 4px; }

/* --- 核心优势（大卡片网格） --- */
.about-advantages { padding-top: clamp(64px, 8vw, 100px); }
.about-adv-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
  margin-top: 44px;
}
.about-adv-card {
  padding: 38px 32px; border-radius: 22px;
  background: #fff; border: 1px solid rgba(79,107,255,.08);
  box-shadow: 0 2px 16px -4px rgba(0,0,0,.05);
  transition: transform .25s ease, box-shadow .25s ease;
}
.about-adv-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 14px 40px -8px rgba(79,107,255,.16);
}
.about-adv-card__icon {
  width: 54px; height: 54px; border-radius: 15px;
  background: linear-gradient(135deg, rgba(79,107,255,.09), rgba(139,92,246,.07));
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
}
.about-adv-card__icon svg { width: 28px; height: 28px; stroke: var(--brand); }
.about-adv-card h4 {
  font: 700 20px/1.3 var(--font-display); color: var(--ink); margin-bottom: 10px;
}
.about-adv-card p { font-size: 15.5px; color: var(--muted); line-height: 1.75; }

/* --- 创始人（左右布局） --- */
.about-founder { padding-top: clamp(56px, 7vw, 88px); }
.about-founder__grid {
  display: grid; grid-template-columns: 1.2fr .8fr; gap: 40px; align-items: start;
  margin-top: 36px;
}
.about-founder__profile { }
.about-founder__avatar {
  width: 72px; height: 72px; border-radius: 20px;
  background: linear-gradient(135deg, var(--brand), #8b5cf6);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.about-founder__initial {
  font: 800 30px/1 var(--font-display); color: #fff;
}
.about-founder__name h3 {
  font: 800 26px/1.2 var(--font-display); color: #eaf0ff; margin-bottom: 6px;
}
.about-founder__name p {
  font-size: 14px; color: var(--on-dark-muted); line-height: 1.6;
}
.about-founder__bio {
  margin-top: 18px; font-size: 16px; line-height: 1.9; color: var(--on-dark-muted);
}

/* 著作列表 */
.about-founder__works {
  padding: 28px; border-radius: 20px;
  background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.07);
}
.about-founder__works h4 {
  font: 700 17px/1.3 var(--font-display); color: #eaf0ff; margin-bottom: 16px;
  padding-bottom: 12px; border-bottom: 1px solid rgba(255,255,255,.07);
}
.about-books { display: flex; flex-direction: column; gap: 10px; }
.about-book {
  padding: 12px 16px; border-radius: 10px;
  background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.05);
  font-size: 14.5px; font-weight: 600; color: #cdd6f5;
  transition: background .2s, border-color .2s;
}
.about-book:hover {
  background: rgba(255,255,255,.07); border-color: rgba(255,255,255,.12);
}

/* --- 教学理念（左右） --- */
.about-values { padding-top: clamp(48px, 6vw, 80px); }
.about-values__inner {
  display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: center;
}
.about-values__right p {
  font-size: 16.5px; line-height: 1.85; color: var(--muted); margin-bottom: 18px;
}

/* --- 响应式 --- */
@media (max-width: 1024px) {
  .about-hero { padding-top: 70px; }
  .about-hero__inner { grid-template-columns: 1fr; gap: 32px; padding-bottom: 48px; }
  .about-hero__content { text-align: center; }
  .about-hero__content h2 { text-align: center; }
  .about-adv-grid { grid-template-columns: repeat(2, 1fr); }
  .about-founder__grid { grid-template-columns: 1fr; gap: 28px; }
  .about-values__inner { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 640px) {
  .about-hero { min-height: auto; padding-top: 56px; }
  .about-adv-grid { grid-template-columns: 1fr; }
}