/* ============================================================
   萌宠学堂 · 宠物行为训练官网
   设计基调：亮色明快 · 专业成长（白 + 暖黄 #FBBF24 + 浅灰 + 蓝点缀）
   大圆角 · 纯白卡片 · 暖黄/蓝边框 · 无衬线 · 教育课程目录式排版
   ============================================================ */



:root {
  /* 主色 */
  --primary: #FBBF24;
  --primary-600: #F59E0B;
  --primary-50: #FFFBEB;
  --primary-100: #FEF3C7;
  --primary-700: #B45309;

  /* 蓝点缀 */
  --accent: #3B82F6;
  --accent-600: #2563EB;
  --accent-50: #EFF6FF;
  --accent-100: #DBEAFE;

  /* 中性色 */
  --ink: #111827;
  --ink-700: #374151;
  --ink-600: #4B5563;
  --ink-500: #6B7280;
  --ink-400: #9CA3AF;
  --bg: #FFFFFF;
  --bg-soft: #F9FAFB;
  --bg-warm: #FFFBEB;
  --line: #E5E7EB;
  --line-soft: #F3F4F6;

  /* 圆角（大圆角亲和力） */
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;

  /* 阴影 */
  --shadow-sm: 0 1px 2px rgba(17, 24, 39, .05);
  --shadow-md: 0 6px 18px rgba(17, 24, 39, .07);
  --shadow-lg: 0 18px 40px rgba(17, 24, 39, .10);
  --shadow-primary: 0 10px 24px rgba(251, 191, 36, .35);

  /* 字体 */
  --font: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
          "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;

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

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-700);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; border: 0; }
a { color: inherit; text-decoration: none; transition: color .2s ease; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5, h6 { margin: 0; color: var(--ink); line-height: 1.3; font-weight: 700; }
p { margin: 0; }
button { font-family: inherit; cursor: pointer; }

::selection { background: var(--primary-100); color: var(--primary-700); }

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

/* ---------- 布局工具 ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.section { padding: 84px 0; position: relative; }
.section--soft { background: var(--bg-soft); }
.section--warm { background: var(--bg-warm); }

.section-head { text-align: center; max-width: 640px; margin: 0 auto 52px; }
.section-head__tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .82rem; font-weight: 700; letter-spacing: .08em;
  color: var(--primary-700);
  background: var(--primary-100);
  padding: 6px 16px; border-radius: 999px; margin-bottom: 16px;
}
.section-head__title { font-size: clamp(1.7rem, 3.4vw, 2.4rem); letter-spacing: -.01em; }
.section-head__desc { margin-top: 14px; color: var(--ink-500); font-size: 1.02rem; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 28px; border-radius: 999px; font-weight: 700; font-size: .98rem;
  border: 2px solid transparent; cursor: pointer; line-height: 1;
  transition: transform .18s ease, box-shadow .18s ease, background .2s ease, color .2s ease, border-color .2s ease;
  min-height: 46px;
}
.btn--primary { background: var(--primary); color: #1f2937; box-shadow: var(--shadow-primary); }
.btn--primary:hover { background: var(--primary-600); transform: translateY(-2px); box-shadow: 0 14px 30px rgba(251, 191, 36, .45); }
.btn--accent { background: var(--accent); color: #fff; box-shadow: 0 10px 24px rgba(59, 130, 246, .32); }
.btn--accent:hover { background: var(--accent-600); transform: translateY(-2px); }
.btn--outline { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn--outline:hover { background: var(--ink); color: #fff; transform: translateY(-2px); }
.btn--ghost-light { border-color: rgba(255,255,255,.5); color: #fff; background: transparent; }
.btn--ghost-light:hover { background: #fff; color: var(--ink); }
.btn--sm { padding: 9px 18px; font-size: .88rem; min-height: 38px; }

/* ---------- 页头 ---------- */
.header {
  position: sticky; top: 0; z-index: 90;
  background: rgba(255, 255, 255, .9);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line-soft);
}
.header__inner {
  height: var(--header-h);
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.header__logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.header__logo-icon {
  width: 44px; height: 44px; border-radius: 14px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--primary), var(--primary-600));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.25rem;
  box-shadow: 0 6px 16px rgba(251, 191, 36, .4);
}
.header__logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.header__logo-name { font-weight: 800; font-size: 1.18rem; color: var(--ink); letter-spacing: -.01em; }
.header__logo-sub { font-size: .68rem; color: var(--ink-400); letter-spacing: .05em; }

.header__nav { display: flex; align-items: center; gap: 2px; }
.header__nav-link {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 10px 12px; border-radius: 10px;
  font-weight: 600; font-size: .92rem; color: var(--ink-600); cursor: pointer;
  white-space: nowrap; flex-shrink: 0;
}
.header__nav-link:hover { color: var(--ink); background: var(--bg-soft); }
.header__nav-link.active { color: var(--primary-700); background: var(--primary-50); }

.header__nav-item { position: relative; flex-shrink: 0; }
.header__dropdown {
  position: absolute; top: calc(100% + 8px); left: 0; min-width: 200px;
  background: #fff; border: 1px solid var(--line-soft); border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg); padding: 8px; opacity: 0; visibility: hidden;
  transform: translateY(10px); transition: all .22s ease; z-index: 60;
}
.header__nav-item:hover .header__dropdown,
.header__nav-item:focus-within .header__dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.header__dropdown a {
  display: block; padding: 10px 14px; border-radius: 10px;
  font-size: .92rem; color: var(--ink-600); font-weight: 500;
}
.header__dropdown a:hover { background: var(--primary-50); color: var(--primary-700); }

.header__actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }

/* 汉堡 */
.hamburger { display: none; width: 46px; height: 46px; border: none; background: var(--bg-soft); border-radius: 12px; flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
.hamburger span { width: 20px; height: 2px; background: var(--ink); border-radius: 2px; transition: .25s; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 移动端侧滑 */
.mobile-nav {
  position: fixed; top: 0; right: -320px; width: 300px; height: 100vh; z-index: 110;
  background: #fff; box-shadow: var(--shadow-lg); transition: right .3s ease;
  padding: 28px 22px; overflow-y: auto;
}
.mobile-nav.open { right: 0; }
.mobile-nav__link {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 8px; font-weight: 600; color: var(--ink-700); border-bottom: 1px solid var(--line-soft);
}
.mobile-nav__sub { max-height: 0; overflow: hidden; transition: max-height .3s ease; background: var(--bg-soft); border-radius: 10px; margin: 4px 0; }
.mobile-nav__sub.open { max-height: 400px; }
.mobile-nav__sub a { display: block; padding: 12px 16px; color: var(--ink-600); font-size: .94rem; }
.mobile-nav__overlay { position: fixed; inset: 0; background: rgba(17,24,39,.5); z-index: 100; opacity: 0; visibility: hidden; transition: .3s; }
.mobile-nav__overlay.open { opacity: 1; visibility: visible; }

/* ---------- 首页 Banner ---------- */
.hero { position: relative; }
.hero__swiper { width: 100%; height: min(76vh, 640px); background: linear-gradient(120deg, var(--primary-50) 0%, #fff 40%, var(--accent-100) 100%); }
.hero__slide { position: relative; width: 100%; height: 100%; }
.hero__bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
.hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(17,24,39,.62) 0%, rgba(17,24,39,.35) 45%, rgba(17,24,39,.15) 100%);
}
.hero__content {
  position: relative; z-index: 2; height: 100%;
  display: flex; flex-direction: column; justify-content: center;
  max-width: var(--container); margin: 0 auto; padding: 0 20px;
}
.hero__badge {
  align-self: flex-start; display: inline-flex; align-items: center; gap: 8px;
  background: var(--primary); color: #1f2937; font-weight: 700; font-size: .85rem;
  padding: 7px 16px; border-radius: 999px; margin-bottom: 22px;
}
.hero__title { color: #fff; font-size: clamp(2rem, 5vw, 3.4rem); font-weight: 800; letter-spacing: -.01em; max-width: 620px; text-shadow: 0 2px 20px rgba(0,0,0,.25); }
.hero__subtitle { color: rgba(255,255,255,.92); font-size: clamp(1rem, 2vw, 1.25rem); margin-top: 18px; max-width: 520px; }
.hero__actions { display: flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; }
.hero .swiper-pagination { bottom: 28px !important; }
.hero .swiper-pagination-bullet { width: 10px; height: 10px; background: #fff; opacity: .5; }
.hero .swiper-pagination-bullet-active { background: var(--primary); opacity: 1; width: 26px; border-radius: 6px; }

/* ---------- 数据滚动区 ---------- */
.stats { background: linear-gradient(135deg, #fff 0%, var(--primary-50) 100%); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stats__item { text-align: center; padding: 18px 12px; }
.stats__num { font-size: clamp(2.2rem, 4vw, 3rem); font-weight: 800; color: var(--ink); letter-spacing: -.02em; }
.stats__num .suffix { color: var(--primary-600); }
.stats__label { margin-top: 6px; color: var(--ink-500); font-size: .95rem; font-weight: 500; }

/* ---------- 卡片通用 ---------- */
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; cursor: pointer; display: flex; flex-direction: column; }
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--primary); }
.card__image { position: relative; aspect-ratio: 4/3; overflow: hidden; background: var(--bg-soft); }
.card__image img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.card:hover .card__image img { transform: scale(1.06); }
.card__tag {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  background: var(--primary); color: #1f2937; font-size: .78rem; font-weight: 700;
  padding: 5px 12px; border-radius: 999px;
}
.card__tag--blue { background: var(--accent); color: #fff; }
.card__body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.card__title { font-size: 1.18rem; font-weight: 700; }
.card__desc { color: var(--ink-500); font-size: .94rem; margin-top: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card__meta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 16px; font-size: .86rem; color: var(--ink-500); }
.card__meta i { color: var(--primary-600); margin-right: 5px; }
.card__foot { margin-top: auto; padding-top: 18px; display: flex; align-items: center; justify-content: space-between; }
.card__price { font-size: 1.3rem; font-weight: 800; color: var(--primary-700); }
.card__price small { font-size: .8rem; font-weight: 600; color: var(--ink-400); }
.card__more { color: var(--accent); font-weight: 700; font-size: .9rem; display: inline-flex; align-items: center; gap: 5px; }
.card__more:hover { color: var(--accent-600); }

/* ---------- 课程分类（5列） ---------- */
.cats { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.cat {
  background: #fff; border: 1.5px solid var(--line); border-radius: var(--radius-lg);
  padding: 34px 18px; text-align: center; cursor: pointer; position: relative; overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.cat:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--primary); }
.cat:nth-child(even):hover { border-color: var(--accent); }
.cat__icon {
  width: 66px; height: 66px; margin: 0 auto 18px; border-radius: 20px;
  display: flex; align-items: center; justify-content: center; font-size: 1.7rem;
  background: var(--primary-50); color: var(--primary-700);
  transition: transform .25s ease;
}
.cat:nth-child(even) .cat__icon { background: var(--accent-50); color: var(--accent-600); }
.cat:hover .cat__icon { transform: scale(1.1) rotate(-4deg); }
.cat__name { font-size: 1.12rem; font-weight: 700; }
.cat__desc { font-size: .85rem; color: var(--ink-500); margin-top: 8px; }

/* ---------- 训练师 ---------- */
.trainer-card { text-align: center; }
.trainer-card .card__image { aspect-ratio: 4/4.6; }
.trainer-card__role { color: var(--primary-700); font-weight: 700; font-size: .82rem; margin-top: 4px; }
.trainer-card__tags { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-top: 12px; }
.trainer-card__tags span { font-size: .75rem; background: var(--bg-soft); border: 1px solid var(--line); padding: 3px 10px; border-radius: 999px; color: var(--ink-500); }

/* ---------- 成果 ---------- */
.result-card .card__image { position: relative; }
.result-card__badge { position: absolute; bottom: 12px; left: 12px; z-index: 2; background: var(--accent); color: #fff; font-size: .76rem; font-weight: 700; padding: 5px 12px; border-radius: 999px; }

/* ---------- 列表图文（知识/新闻） ---------- */
.list-rows { display: flex; flex-direction: column; gap: 18px; }
.list-row {
  display: flex; gap: 24px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 18px; cursor: pointer; align-items: center;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.list-row:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--primary); }
.list-row__img { flex-shrink: 0; width: 220px; height: 150px; border-radius: var(--radius-md); overflow: hidden; background: var(--bg-soft); }
.list-row__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.list-row:hover .list-row__img img { transform: scale(1.06); }
.list-row__body { flex: 1; min-width: 0; }
.list-row__title { font-size: 1.18rem; font-weight: 700; }
.list-row__desc { color: var(--ink-500); font-size: .94rem; margin-top: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.list-row__meta { display: flex; gap: 16px; margin-top: 12px; font-size: .82rem; color: var(--ink-400); }
.list-row__meta i { margin-right: 4px; color: var(--primary-600); }

/* ---------- 评价 ---------- */
.reviews { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.review-card { position: relative; }
.review-card__quote { position: absolute; top: 18px; right: 20px; font-size: 2.4rem; color: var(--primary-100); }
.review-card__stars { color: var(--primary); font-size: .9rem; letter-spacing: 2px; margin-bottom: 12px; }
.review-card__text { color: var(--ink-600); font-size: .96rem; font-style: italic; }
.review-card__author { display: flex; align-items: center; gap: 12px; margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line-soft); }
.review-card__avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--primary-100); color: var(--primary-700); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.1rem; flex-shrink: 0; }
.review-card__name { font-weight: 700; font-size: .95rem; }
.review-card__role { font-size: .8rem; color: var(--ink-400); }

/* ---------- CTA ---------- */
.cta { position: relative; }
.cta__box {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-600) 100%);
  border: 2px solid #1f2937; border-radius: var(--radius-xl);
  padding: 60px 40px; text-align: center; position: relative; overflow: hidden;
}
.cta__box::before, .cta__box::after {
  content: ""; position: absolute; border-radius: 50%; background: rgba(255,255,255,.18);
}
.cta__box::before { width: 220px; height: 220px; top: -80px; left: -60px; }
.cta__box::after { width: 280px; height: 280px; bottom: -120px; right: -80px; }
.cta__title { color: #1f2937; font-size: clamp(1.6rem, 3.4vw, 2.3rem); font-weight: 800; position: relative; z-index: 2; }
.cta__desc { color: rgba(31,41,55,.82); font-size: 1.05rem; margin-top: 12px; position: relative; z-index: 2; }
.cta__actions { display: flex; gap: 14px; justify-content: center; margin-top: 28px; position: relative; z-index: 2; flex-wrap: wrap; }
.cta .btn--outline { background: #fff; }

/* ---------- 页脚 ---------- */
.footer { background: #111827; color: #D1D5DB; }
.footer__top { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-600) 100%); height: 6px; }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1.4fr 1.2fr; gap: 40px; padding: 60px 0 40px; }
.footer__brand { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer__brand .header__logo-name { color: #fff; }
.footer__brand .header__logo-sub { color: var(--ink-400); }
.footer__desc { font-size: .92rem; color: #9CA3AF; line-height: 1.8; }
.footer__social { display: flex; gap: 10px; margin-top: 18px; }
.footer__social a { width: 40px; height: 40px; border-radius: 12px; background: #1F2937; color: #D1D5DB; display: flex; align-items: center; justify-content: center; transition: .2s; }
.footer__social a:hover { background: var(--primary); color: #1f2937; }
.footer__col-title { color: #fff; font-size: 1.02rem; font-weight: 700; margin-bottom: 18px; }
.footer__links { display: flex; flex-direction: column; gap: 10px; }
.footer__links a { color: #9CA3AF; font-size: .92rem; }
.footer__links a:hover { color: var(--primary); }
.footer__contact-item { display: flex; gap: 10px; margin-bottom: 14px; font-size: .92rem; color: #9CA3AF; }
.footer__contact-item i { color: var(--primary); margin-top: 4px; }
.footer__qrcode { width: 110px; height: 110px; border-radius: 14px; background: #fff; display: flex; align-items: center; justify-content: center; color: var(--ink-400); font-size: .72rem; text-align: center; line-height: 1.4; }
.friend-links { display: flex; flex-wrap: wrap; gap: 10px 16px; padding: 18px 0; border-top: 1px solid #1F2937; align-items: center; }
.friend-links__label { color: var(--ink-400); font-size: .86rem; }
.friend-links a { color: #9CA3AF; font-size: .86rem; }
.friend-links a:hover { color: var(--primary); }
.footer__bottom { border-top: 1px solid #1F2937; padding: 22px 0; }
.footer__bottom-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: .86rem; color: #6B7280; }
.footer__bottom a { color: #6B7280; }
.footer__bottom a:hover { color: var(--primary); }

/* ---------- 内页 Banner ---------- */
.inner-banner { position: relative; height: 300px; background: linear-gradient(135deg, var(--primary-50), var(--accent-50)); display: flex; align-items: center; overflow: hidden; }
.inner-banner::before, .inner-banner::after { content: ""; position: absolute; border-radius: 50%; background: rgba(251,191,36,.16); }
.inner-banner::before { width: 280px; height: 280px; top: -120px; right: 8%; }
.inner-banner::after { width: 180px; height: 180px; bottom: -80px; left: 12%; }
.inner-banner__content { position: relative; z-index: 2; text-align: center; }
.inner-banner__title { font-size: clamp(1.9rem, 4vw, 2.8rem); font-weight: 800; }
.inner-banner__subtitle { margin-top: 12px; color: var(--ink-500); font-size: 1.05rem; }

/* 面包屑 */
.breadcrumb-bar { border-bottom: 1px solid var(--line-soft); }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 14px 0; font-size: .88rem; color: var(--ink-500); }
.breadcrumb a { color: var(--ink-500); }
.breadcrumb a:hover { color: var(--primary-700); }
.breadcrumb i { font-size: .65rem; color: var(--ink-400); }
.breadcrumb .cur { color: var(--ink); font-weight: 600; }

/* 过滤栏 */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; padding: 16px 0; }
.filter-bar a {
  padding: 8px 18px; border-radius: 999px; font-size: .9rem; font-weight: 600;
  color: var(--ink-600); background: var(--bg-soft); border: 1px solid var(--line-soft);
  transition: .2s; cursor: pointer;
}
.filter-bar a:hover { color: var(--primary-700); border-color: var(--primary); }
.filter-bar a.active { background: var(--primary); color: #1f2937; border-color: var(--primary); }

/* ---------- 网格 ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ---------- 详情页 ---------- */
.detail { max-width: 880px; margin: 0 auto; }
.detail__head { text-align: center; margin-bottom: 40px; }
.detail__title { font-size: clamp(1.6rem, 3.4vw, 2.3rem); font-weight: 800; }
.detail__meta { display: flex; gap: 20px; justify-content: center; margin-top: 16px; font-size: .88rem; color: var(--ink-400); flex-wrap: wrap; }
.detail__meta i { margin-right: 5px; color: var(--primary-600); }
.detail__cover { border-radius: var(--radius-xl); overflow: hidden; margin-bottom: 36px; }
.detail__cover img { width: 100%; }
.detail__body { color: var(--ink-700); font-size: 1.05rem; line-height: 1.9; }
.detail__body p { margin-bottom: 18px; }
.detail__body img { border-radius: var(--radius-md); margin: 20px 0; }
.detail__pager { display: flex; justify-content: space-between; gap: 16px; margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line); flex-wrap: wrap; }
.detail__pager a { font-size: .94rem; color: var(--ink-600); }
.detail__pager a:hover { color: var(--primary-700); }

/* 课程详情信息区 */
.course-detail { display: grid; grid-template-columns: 1.1fr 1fr; gap: 44px; align-items: start; }
.course-detail__img { border-radius: var(--radius-xl); overflow: hidden; }
.course-detail__info .detail__title { text-align: left; }
.course-detail__fields { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 26px 0; }
.course-detail__field { background: var(--bg-soft); border: 1px solid var(--line-soft); border-radius: var(--radius-md); padding: 16px 18px; }
.course-detail__field-label { font-size: .8rem; color: var(--ink-400); font-weight: 600; }
.course-detail__field-val { font-weight: 700; color: var(--ink); margin-top: 4px; font-size: .98rem; }
.course-detail__price { display: inline-flex; align-items: baseline; gap: 8px; font-size: 2rem; font-weight: 800; color: var(--primary-700); }
.course-detail__price small { font-size: .9rem; color: var(--ink-400); font-weight: 500; }

/* ---------- 表单 ---------- */
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-xl); padding: 40px; box-shadow: var(--shadow-md); max-width: 720px; margin: 0 auto; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-weight: 600; font-size: .92rem; margin-bottom: 8px; color: var(--ink-700); }
.form-control {
  width: 100%; padding: 13px 16px; border: 1.5px solid var(--line); border-radius: var(--radius-md);
  font-size: .98rem; font-family: inherit; color: var(--ink); background: #fff;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px var(--primary-100); }
.form-control::placeholder { color: var(--ink-400); }
textarea.form-control { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-captcha { display: flex; gap: 12px; align-items: center; }
.form-captcha .form-control { width: 140px; }
.form-captcha img { height: 48px; border-radius: var(--radius-sm); cursor: pointer; }

/* ---------- 分页 ---------- */
.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 52px; flex-wrap: wrap; }
.pagination a, .pagination span {
  min-width: 42px; height: 42px; padding: 0 12px; display: inline-flex; align-items: center; justify-content: center;
  border-radius: 12px; font-weight: 600; font-size: .92rem;
  background: #fff; border: 1px solid var(--line); color: var(--ink-600); transition: .2s;
}
.pagination a:hover { border-color: var(--primary); color: var(--primary-700); }
.pagination .current { background: var(--primary); border-color: var(--primary); color: #1f2937; }

/* 空状态 */
.empty-state { text-align: center; padding: 80px 20px; color: var(--ink-400); }
.empty-state i { font-size: 3rem; color: var(--primary); margin-bottom: 16px; display: block; }

/* ---------- 悬浮组件 ---------- */
.back-top {
  position: fixed; right: 24px; bottom: 90px; z-index: 80;
  width: 46px; height: 46px; border: none; border-radius: 14px;
  background: #fff; color: var(--ink); box-shadow: var(--shadow-md);
  display: flex; align-items: center; justify-content: center; font-size: 1rem;
  opacity: 0; visibility: hidden; transform: translateY(10px); transition: .3s;
}
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { background: var(--primary); }

.cs-float {
  position: fixed; right: 24px; bottom: 24px; z-index: 80;
  width: 58px; height: 58px; border-radius: 50%;
  background: var(--primary); color: #1f2937; box-shadow: 0 12px 28px rgba(251,191,36,.45);
  display: flex; align-items: center; justify-content: center; font-size: 1.5rem;
  animation: cs-pulse 2.4s infinite;
}
@keyframes cs-pulse {
  0% { box-shadow: 0 0 0 0 rgba(251,191,36,.5); }
  70% { box-shadow: 0 0 0 16px rgba(251,191,36,0); }
  100% { box-shadow: 0 0 0 0 rgba(251,191,36,0); }
}

/* ---------- 动画 ---------- */
[data-aos] { will-change: transform, opacity; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .header__nav { display: none; }
  .header__actions .btn { display: none; }
  .hamburger { display: flex; }
}

@media (max-width: 1024px) {
  .cats { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --header-h: 64px; }
  .section { padding: 60px 0; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .stats__item { padding: 14px 8px; }
  .stats__num { font-size: 1.7rem; }
  .stats__label { margin-top: 4px; font-size: .82rem; }
  .cats { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .cat { padding: 18px 8px; }
  .cat__icon { width: 48px; height: 48px; margin-bottom: 10px; font-size: 1.2rem; border-radius: 14px; }
  .cat__name { font-size: .95rem; }
  .cat__desc { margin-top: 4px; font-size: .78rem; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-3--2col { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .grid-3--keep2 .card:nth-child(n+3) { display: none; }
  .grid-3--trainers { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .trainer-card .card__body { padding: 14px; }
  .trainer-card .card__title { font-size: 1rem; }
  .trainer-card .card__desc { font-size: .85rem; margin-top: 6px; }
  .trainer-card__role { font-size: .78rem; margin-top: 2px; }
  .trainer-card__tags { margin-top: 8px; }
  .trainer-card__tags span { font-size: .7rem; padding: 2px 8px; }
  .grid-3--one .card:nth-child(n+2) { display: none; }
  .list-rows--one .list-row:nth-child(n+2) { display: none; }
  .reviews--one .review-card:nth-child(n+2) { display: none; }
  .reviews { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .list-row { flex-direction: column; }
  .list-row__img { width: 100%; height: 180px; }
  .course-detail { grid-template-columns: 1fr; gap: 28px; }
  .course-detail__fields { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .form-card { padding: 26px 20px; }
  .footer__grid { grid-template-columns: 1fr; gap: 30px; }
  .footer__links { flex-direction: row; flex-wrap: wrap; gap: 8px 16px; }
  .footer__contact { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 16px; }
  .footer__contact .footer__contact-item { margin-bottom: 0; }
  .footer__bottom-inner { flex-direction: column; text-align: center; }
  .hero__actions { flex-direction: column; align-items: flex-start; }
  .cta__box { padding: 44px 22px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}