/* ============================================================
   课程小类页 v2 模板样式（kc2.css）——第二版
   依赖：shiziku/css/style.css（品牌变量 --brand/--brand-strong/--cta 等）
   设计：深青绿 Hero 压住全页；区块按 深→白→浅青→白→浅灰→白→浅灰→浅青→深 节奏交替
   ============================================================ */

/* 首页同款中性变量（本页自含，避免依赖首页内联样式） */
:root {
  --ink: #1f2d3d; --ink-2: #5f6b7a; --ink-3: #8a94a3;
  --card: #fff; --line: #e7ebf0; --radius: 14px;
}

/* 面包屑收紧上移（覆盖 style.css 的 18px 顶距） */
.crumb { padding: 10px 0 0; }

/* ---------- ① Hero（深青绿：左主张 + 右方案卡 + 底部数据带） ---------- */
.kc2-hero {
  position: relative;
  color: #fff;
  background:
    radial-gradient(1000px 480px at 90% -25%, rgba(79, 209, 197, .16), transparent 62%),
    radial-gradient(760px 420px at -6% 118%, rgba(11, 152, 140, .26), transparent 58%),
    linear-gradient(155deg, #052E2B 0%, #063F3B 46%, #077A70 100%);
  padding: 64px 0 0;
  overflow: hidden;
}
/* 巨型水印字：纯质感，不抢内容 */
.kc2-hero__wm {
  position: absolute; right: -20px; bottom: -46px; z-index: 0;
  font-size: 210px; font-weight: 800; line-height: 1; letter-spacing: 6px;
  color: rgba(255, 255, 255, .045); white-space: nowrap; pointer-events: none; user-select: none;
}
.kc2-hero__grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center;
  padding-bottom: 60px;
}
.kc2-hero__badge {
  display: inline-block; font-size: 12.5px; letter-spacing: 1.5px; font-weight: 600;
  color: #fff; background: rgba(255, 255, 255, .10);
  border: 1px solid rgba(255, 255, 255, .30); border-radius: 999px; padding: 5px 16px; margin-bottom: 22px;
}
.kc2-hero__title { font-size: clamp(38px, 4.2vw, 52px); font-weight: 800; margin: 0 0 18px; letter-spacing: .5px; line-height: 1.22; color: #fff; }
.kc2-hero__title em { font-style: normal; color: var(--gold-light); }
.kc2-hero__lead { font-size: 16.5px; line-height: 1.95; color: rgba(255, 255, 255, .94); margin: 0; max-width: 560px; }
.kc2-hero__cta { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.kc2-hero__btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 15px 36px; border-radius: 10px; font-size: 16.5px; font-weight: 700; text-decoration: none;
  border: none; cursor: pointer; transition: all .2s;
}
.kc2-hero__btn--primary { background: var(--cta); color: #fff; box-shadow: 0 8px 20px rgba(0, 0, 0, .22); }
.kc2-hero__btn--primary:hover { background: var(--cta-dark); transform: translateY(-1px); }
.kc2-hero__btn--ghost { background: transparent; color: #fff; border: 1.5px solid rgba(255, 255, 255, .65); }
.kc2-hero__btn--ghost:hover { background: rgba(255, 255, 255, .12); border-color: #fff; }
.kc2-hero__hint { flex-basis: 100%; font-size: 13px; color: rgba(255, 255, 255, .62); margin: 4px 0 0; }

/* 右侧方案卡（实心色块，无玻璃拟态） */
.kc2-hero__offer {
  position: relative; background: #fff; color: var(--text);
  border-radius: 16px; padding: 28px 28px 24px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .28);
}
.kc2-hero__offer-flag {
  position: absolute; top: -13px; right: 22px;
  font-size: 12px; font-weight: 700; color: #fff; letter-spacing: .5px;
  background: var(--cta); border-radius: 999px; padding: 5px 14px; box-shadow: 0 4px 10px rgba(0, 0, 0, .18);
}
.kc2-hero__offer h3 { font-size: 19px; font-weight: 800; margin: 0 0 4px; color: var(--text); }
.kc2-hero__offer h3 b { color: var(--cta); }
.kc2-hero__offer > p { font-size: 12.5px; color: var(--text-muted); margin: 0 0 16px; }
.kc2-hero__offer ul { list-style: none; margin: 0 0 18px; padding: 0; }
.kc2-hero__offer li {
  position: relative; font-size: 14px; color: var(--text); line-height: 1.6;
  padding: 8px 0 8px 30px; border-bottom: 1px dashed #EEF2F1;
}
.kc2-hero__offer li:last-child { border-bottom: none; }
.kc2-hero__offer li::before {
  content: ''; position: absolute; left: 0; top: 11px; width: 18px; height: 18px; border-radius: 50%;
  background: var(--brand-50) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23077A70' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E") center / 11px no-repeat;
}
.kc2-hero__offer-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.kc2-hero__offer-tel { font-size: 12.5px; color: var(--text-secondary); }
.kc2-hero__offer-tel b { display: block; font-size: 19px; color: var(--brand-strong); letter-spacing: .5px; white-space: nowrap; }
.kc2-hero__offer-btn {
  flex: 0 0 auto; text-decoration: none; cursor: pointer;
  font-size: 14.5px; font-weight: 700; color: #fff; background: var(--cta);
  border: none; border-radius: 9px; padding: 11px 22px; transition: background .2s;
}
.kc2-hero__offer-btn:hover { background: var(--cta-dark); }

/* 底部数据带：深色实底 + 渐变细分隔线，大数字 + 微标签 */
.kc2-statbar { position: relative; background: #052E2B; }
.kc2-statbar::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent 8%, rgba(79, 209, 197, .5) 50%, transparent 92%);
}
.kc2-statbar__row { display: flex; }
.kc2-stat {
  flex: 1 1 0; display: flex; align-items: baseline; justify-content: center; gap: 12px;
  padding: 22px 16px; border-right: 1px solid rgba(255, 255, 255, .12);
}
.kc2-statbar__row .kc2-stat:last-child { border-right: none; }
.kc2-stat b { font-size: 34px; font-weight: 800; color: var(--gold-light); line-height: 1; letter-spacing: .5px; }
.kc2-stat span { font-size: 13px; color: rgba(255, 255, 255, .72); }

/* 信任条（客户 logo，白底） */
.kc2-trust { padding: 26px 0 10px; }
.kc2-trust__label { font-size: 12.5px; color: var(--text-muted); letter-spacing: 1.5px; margin: 0 0 14px; text-align: center; }
.kc2-trust__logos { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 14px 36px; }
.kc2-trust__logos img { height: 28px; width: auto; filter: grayscale(1); opacity: .55; transition: all .2s; }
.kc2-trust__logos img:hover { filter: none; opacity: 1; }

/* ---------- 通用区块（复用首页 sec-head 语言） ---------- */
.kc2-sec { padding: 56px 0 58px; }
.kc2-sec--tint { background: #F7FAF9; border-top: 1px solid #EDF3F1; border-bottom: 1px solid #EDF3F1; }
.kc2-band { padding: 56px 0 58px; }

/* 首页同款区块头/浅青绿底/居中（.band-teal .sec-head .kicker .center 为首页类名，视觉保持一致） */
.band-teal { background: #eef7f5; border-top: 1px solid #e0efec; border-bottom: 1px solid #e0efec; }
.sec-head { max-width: 760px; margin: 0 auto 40px; text-align: center; }
.sec-head .kicker { display: inline-block; font-size: 13px; color: var(--brand-strong); font-weight: 600; letter-spacing: 2.5px; margin-bottom: 12px; }
.sec-head h1, .sec-head h2 { font-size: 30px; font-weight: 700; line-height: 1.3; margin: 0 0 12px; color: var(--ink); }
.sec-head p { font-size: 15px; color: var(--ink-2); margin: 0; }
.center { text-align: center; }

/* ---------- ② 讲师阵容（首页同款：照片卡 + 第N页分页 + 查看全部导师） ---------- */
/* 胶囊换页标签 */
.pager { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin: 0 0 28px; }
.pager[hidden] { display: none; }
.pager button {
  appearance: none; font: inherit; font-size: 15px; font-weight: 500; color: #6b7280;
  background: #fff; border: 1px solid #d5e2de; border-radius: 999px; padding: 11px 26px; cursor: pointer;
  box-shadow: 0 1px 4px rgba(20, 50, 45, .08); transition: background .2s, border-color .2s, color .2s, box-shadow .2s;
}
.pager button:hover { border-color: var(--brand); color: var(--brand-strong); }
.pager button.on { background: var(--brand); border-color: var(--brand); color: #fff; font-weight: 600; box-shadow: 0 8px 18px rgba(11, 152, 140, .34); }
.mentors { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.mentors .tcard[hidden] { display: none; }
.tcard { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: .18s; }
.tcard:hover { border-color: var(--brand); transform: translateY(-4px); box-shadow: 0 14px 34px rgba(11, 152, 140, .13); }
.tcard .ph { aspect-ratio: 4 / 5.04; background: #dfe9e6; overflow: hidden; }
.tcard .ph img { width: 100%; height: 100%; object-fit: cover; object-position: top; transition: .4s; display: block; }
.tcard:hover .ph img { transform: scale(1.05); }
.tcard .bd { padding: 16px 16px 18px; text-align: center; }
.tcard .nm { font-size: 17px; font-weight: 600; margin-bottom: 3px; color: var(--ink); }
.tcard .ttl { font-size: 13px; color: var(--brand-strong); line-height: 1.5; }
a.tcard { display: block; color: inherit; text-decoration: none; }
/* 无照片讲师：首字占位头像 */
.kc2-ph--empty {
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(160deg, var(--brand-50), #D9EEE9);
  color: var(--brand-strong); font-size: 44px; font-weight: 800; letter-spacing: 0;
}

/* 段级收尾按钮：查看全部导师 */
.mt-cta {
  display: inline-flex; align-items: center; gap: 9px; margin-top: 38px; padding: 14px 32px; border-radius: 999px;
  background: #fff; border: 1.5px solid var(--brand); color: var(--brand-strong); font-size: 15px; font-weight: 600;
  letter-spacing: .2px; box-shadow: 0 1px 4px rgba(20, 50, 45, .06);
  transition: background .22s, border-color .22s, color .22s, box-shadow .22s; text-decoration: none;
}
.mt-cta:hover { background: var(--brand); border-color: var(--brand); color: #fff; box-shadow: 0 10px 24px rgba(11, 152, 140, .28); }
.mt-cta .arw { transition: transform .22s; }
.mt-cta:hover .arw { transform: translateX(3px); }

/* ---------- ③ 课程列表（表格：主题/主讲老师/课程时长/课程大纲） ---------- */
.kc2-ctable { background: #fff; border: 1px solid #E6EEEC; border-radius: 14px; overflow: hidden; box-shadow: 0 2px 10px rgba(6, 63, 59, .05); }
.kc2-ctable__head, .kc2-crow {
  display: grid; grid-template-columns: 46px 1fr 100px 150px 96px;
  align-items: center; gap: 14px; padding: 14px 22px;
}
.kc2-ctable__head {
  background: #F6FAF9; border-bottom: 1px solid #E6EEEC;
  font-size: 12.5px; font-weight: 700; color: var(--text-secondary); letter-spacing: .5px;
}
.kc2-crow { border-bottom: 1px solid #EFF5F4; transition: background .15s; }
.kc2-crow:nth-of-type(odd) { background: #FAFDFC; }
.kc2-crow:hover { background: var(--brand-50); }
.kc2-crow__idx { width: 26px; height: 26px; border-radius: 8px; background: var(--brand-50); color: var(--brand-strong); font-size: 12.5px; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.kc2-crow__name { font-size: 15px; color: var(--text); font-weight: 600; text-decoration: none; line-height: 1.5; }
.kc2-crow__name:hover { color: var(--brand-strong); }
.kc2-crow__teacher { font-size: 13.5px; color: var(--brand-strong); text-decoration: none; font-weight: 600; }
.kc2-crow__teacher:hover { color: var(--cta); }
.kc2-crow__dur { font-size: 13px; color: var(--text-secondary); white-space: nowrap; }
.kc2-crow__outline {
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; color: var(--brand-strong); text-decoration: none;
  border: 1px solid var(--brand); border-radius: 999px; padding: 5px 0; transition: all .15s; white-space: nowrap;
}
.kc2-crow__outline:hover { background: var(--brand); color: #fff; }
.kc2-crow.is-hidden { display: none; }
.kc2-cmore { text-align: center; margin: 20px 0 0; }
.kc2-cmore__btn {
  cursor: pointer; font-size: 14px; font-weight: 700; color: var(--brand-strong);
  background: #fff; border: 1.5px solid var(--brand); border-radius: 999px; padding: 10px 28px; transition: all .2s;
}
.kc2-cmore__btn:hover { background: var(--brand-50); }

/* ---------- ④ 为什么（深色通栏声明区） ---------- */
.kc2-why--dark {
  background:
    radial-gradient(800px 360px at 90% -30%, rgba(79, 209, 197, .14), transparent 60%),
    linear-gradient(120deg, #052E2B 0%, #063F3B 55%, #077A70 100%);
  color: #fff;
}
.kc2-why--dark .sec-head h2 { color: #fff; }
.kc2-why--dark .sec-head p { color: rgba(255, 255, 255, .68); }
.kc2-why--dark .sec-head .kicker { color: var(--gold-light); }
.kc2-why { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 44px; }
.kc2-why__item { padding: 10px 40px 10px 0; border-right: 1px solid rgba(255, 255, 255, .16); }
.kc2-why__item:last-child { border-right: none; padding-right: 0; }
.kc2-why__no { display: block; font-size: 32px; font-weight: 800; letter-spacing: 1px; color: var(--gold-light); line-height: 1; margin-bottom: 14px; }
.kc2-why__item h3 { font-size: 19px; font-weight: 800; color: #fff; margin: 0 0 10px; }
.kc2-why__item p { font-size: 13.5px; color: rgba(255, 255, 255, .74); line-height: 1.9; margin: 0; }

/* ---------- ⑤ 对象与场景 ---------- */
.kc2-aud { display: grid; grid-template-columns: 1fr; max-width: 860px; margin: 0 auto; }
.kc2-aud__box { background: #fff; border: 1px solid #E6EEEC; border-radius: 14px; padding: 24px 26px; box-shadow: 0 2px 10px rgba(6, 63, 59, .05); }
.kc2-aud__box h3 { font-size: 16.5px; font-weight: 800; color: var(--brand-strong); margin: 0 0 14px; padding-left: 12px; border-left: 4px solid var(--brand); }
.kc2-aud__tags { display: flex; flex-wrap: wrap; gap: 8px; }
.kc2-aud__tag { font-size: 13px; color: var(--text); background: #F2F6F5; border-radius: 999px; padding: 6px 14px; }
.kc2-aud__scenes { display: flex; flex-direction: column; gap: 12px; }
.kc2-aud__scene { display: flex; gap: 12px; font-size: 13.5px; color: var(--text-secondary); line-height: 1.8; margin: 0; }
.kc2-aud__scene::before { content: ''; flex: 0 0 auto; width: 8px; height: 8px; border-radius: 50%; background: var(--cta); margin-top: 8px; }
.kc2-aud__scene b { color: var(--text); }

/* ---------- ⑤+ 服务与保障（流程时间线：轨道 + 节点） ---------- */
.kc2-srv { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 36px; }
.kc2-srv::before {
  content: ''; position: absolute; top: 22px; left: 17%; right: 17%; height: 2px; background: var(--brand-100);
}
.kc2-srv__step { position: relative; text-align: center; display: flex; flex-direction: column; align-items: center; }
.kc2-srv__node {
  position: relative; z-index: 1;
  width: 46px; height: 46px; margin: 0 auto 18px; border-radius: 50%;
  background: var(--brand); box-shadow: 0 0 0 7px #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 17px; font-weight: 800; color: #fff;
}
.kc2-srv__body {
  flex: 1; width: 100%;
  background: #fff; border: 1px solid #E3EEEB; border-radius: 14px;
  padding: 20px 22px 12px; text-align: left; margin-top: 18px;
  box-shadow: 0 2px 10px rgba(6, 63, 59, .05);
}
.kc2-srv__body h3 { font-size: 17.5px; font-weight: 800; color: var(--brand-strong); margin: 0 0 10px; }
.kc2-srv__body ul { list-style: none; margin: 0; padding: 0; max-width: none; text-align: left; }
.kc2-srv__body li { font-size: 13.5px; color: var(--text-secondary); line-height: 1.85; padding: 9px 0; border-bottom: 1px dashed #EEF2F1; }
.kc2-srv__body li:last-child { border-bottom: none; }
.kc2-srv__body li b { color: var(--text); }

/* ---------- ⑥ FAQ ---------- */
.kc2-faq { max-width: 860px; margin: 0 auto; }
.kc2-faq details { background: #fff; border: 1px solid #E6EEEC; border-radius: 12px; margin-bottom: 12px; overflow: hidden; }
.kc2-faq summary {
  cursor: pointer; list-style: none; padding: 16px 20px; font-size: 15px; font-weight: 700; color: var(--text);
  display: flex; align-items: center; gap: 10px; transition: background .15s;
}
.kc2-faq summary::-webkit-details-marker { display: none; }
.kc2-faq summary::before {
  content: '问'; flex: 0 0 auto; width: 24px; height: 24px; border-radius: 7px;
  background: var(--brand-50); color: var(--brand-strong); font-size: 12px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
.kc2-faq summary::after {
  content: ''; margin-left: auto; flex: 0 0 auto; width: 8px; height: 8px;
  border-right: 2px solid var(--text-muted); border-bottom: 2px solid var(--text-muted);
  transform: rotate(45deg); transition: transform .2s;
}
.kc2-faq details[open] summary::after { transform: rotate(225deg); }
.kc2-faq details[open] summary { color: var(--brand-strong); }
.kc2-faq__a { padding: 0 20px 18px 54px; font-size: 13.5px; color: var(--text-secondary); line-height: 1.9; }

/* ---------- ⑦ 小类导航 ---------- */
.kc2-sibs { padding: 30px 0; }
.kc2-sibs__row { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 14px; }
.kc2-sibs__row:last-child { margin-bottom: 0; }
.kc2-sibs__label { flex: 0 0 auto; font-size: 12.5px; color: var(--text-secondary); letter-spacing: .5px; padding-top: 7px; }
.kc2-sibs__list { display: flex; flex-wrap: wrap; gap: 8px; }
.kc2-sib {
  font-size: 13px; color: var(--brand-strong); background: #fff; text-decoration: none;
  border: 1px solid #CBE5E1; border-radius: 999px; padding: 6px 16px; transition: all .2s;
}
.kc2-sib:hover { background: var(--brand); border-color: var(--brand); color: #fff; transform: translateY(-1px); }
.kc2-sib--hot { color: var(--cta); border-color: var(--cta-light); }
.kc2-sib--hot:hover { background: var(--cta); border-color: var(--cta); color: #fff; }
.kc2-sib--cur { background: var(--brand-strong); border-color: var(--brand-strong); color: #fff; cursor: default; }

/* ---------- ⑧ 收尾 CTA + 表单 ---------- */
.kc2-final { padding: 56px 0 64px; }
.kc2-final__box {
  position: relative; overflow: hidden; border-radius: 18px; padding: 44px 48px; color: #fff;
  background: linear-gradient(115deg, #052E2B 0%, var(--brand-deep) 40%, var(--brand-strong) 100%);
  display: grid; grid-template-columns: 1.35fr .65fr; gap: 44px; align-items: center;
}
.kc2-final__box::before {
  content: ''; position: absolute; right: -70px; top: -70px; width: 260px; height: 260px;
  border-radius: 50%; background: rgba(255, 255, 255, .07);
}
.kc2-final__box::after {
  content: ''; position: absolute; right: 90px; bottom: -110px; width: 200px; height: 200px;
  border-radius: 50%; background: rgba(255, 255, 255, .05);
}
.kc2-final__l h2 { font-size: 27px; font-weight: 800; margin: 0 0 14px; color: #fff; }
.kc2-final__l p { font-size: 14.5px; line-height: 1.9; opacity: .90; margin: 0 0 22px; }
.kc2-final__tel { display: flex; align-items: center; gap: 10px; font-size: 15px; flex-wrap: wrap; }
.kc2-final__tel b { font-size: 23px; letter-spacing: 1px; color: var(--gold-light); white-space: nowrap; }
.kc2-final__qr {
  position: relative; z-index: 1; justify-self: center;
  background: #fff; border-radius: 14px; padding: 20px 22px 16px; text-align: center;
  box-shadow: 0 18px 44px rgba(0, 0, 0, .25);
}
.kc2-final__qr img { width: 158px; height: 158px; border-radius: 8px; display: block; }
.kc2-final__qr p { font-size: 12.5px; color: var(--text-secondary); line-height: 1.8; margin: 10px 0 0; }

/* ---------- 响应式 ---------- */
@media (max-width: 992px) {
  .kc2-hero__grid { grid-template-columns: 1fr; gap: 40px; padding-bottom: 48px; }
  .kc2-hero__wm { font-size: 150px; bottom: auto; top: 10px; }
  .kc2-why { grid-template-columns: 1fr; gap: 28px; }
  .kc2-why__item { padding: 0 0 28px; border-right: none; border-bottom: 1px solid rgba(255, 255, 255, .16); }
  .kc2-why__item:last-child { border-bottom: none; padding-bottom: 0; }
  .kc2-aud { grid-template-columns: 1fr; }
  .kc2-final__box { grid-template-columns: 1fr; gap: 28px; padding: 32px 28px; }
}
@media (max-width: 640px) {
  .kc2-hero { padding: 40px 0 0; }
  .kc2-hero__grid { gap: 34px; padding-bottom: 40px; }
  .kc2-hero__wm { font-size: 96px; top: 6px; right: -8px; }
  .kc2-hero__lead { font-size: 16px; }
  .kc2-statbar__row { overflow-x: auto; scrollbar-width: none; }
  .kc2-statbar__row::-webkit-scrollbar { display: none; }
  .kc2-stat { flex: 0 0 46%; min-width: 158px; padding: 18px 12px; flex-direction: column; align-items: center; gap: 6px; text-align: center; }
  .kc2-stat b { font-size: 28px; }
  .sec-head h1, .sec-head h2 { font-size: 24px; }
  .kc2-srv { grid-template-columns: 1fr; gap: 30px; }
  .kc2-srv::before { display: none; }
  .kc2-srv__step { display: flex; text-align: left; gap: 16px; }
  .kc2-srv__node { margin: 0; flex: 0 0 auto; width: 40px; height: 40px; font-size: 15px; box-shadow: none; }
  .kc2-srv__body { flex: 1; margin-top: 0; }
  .kc2-srv__body ul { margin: 0; max-width: none; }
  .mentors { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .pager button { padding: 9px 18px; font-size: 14px; }
  .kc2-ctable__head { display: none; }
  .kc2-crow { grid-template-columns: 30px 1fr; gap: 6px 10px; padding: 12px 14px; }
  .kc2-crow__name { grid-column: 2; }
  .kc2-crow__teacher { grid-column: 2; font-size: 12.5px; color: var(--text-secondary); font-weight: 500; }
  .kc2-crow__teacher::before { content: '主讲：'; color: var(--text-muted); font-weight: 400; }
  .kc2-crow__dur { grid-column: 2; font-size: 12.5px; }
  .kc2-crow__dur::before { content: '时长：'; color: var(--text-muted); }
  .kc2-crow__outline { grid-column: 2; justify-self: start; padding: 5px 16px; margin-top: 2px; }
  .kc2-sibs__row { flex-direction: column; gap: 8px; }
  .kc2-final__box { padding: 28px 20px; }
  .kc2-form__row { grid-template-columns: 1fr; }
}

/* ---------- 师资库首页：内训师小类胶囊 ---------- */
.kc2-minipills { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin: 0 0 28px; }
.kc2-minipill {
  appearance: none; font-size: 14.5px; font-weight: 600; color: var(--brand-strong);
  background: #fff; border: 1px solid #d5e2de; border-radius: 999px; padding: 10px 22px;
  text-decoration: none; box-shadow: 0 1px 4px rgba(20, 50, 45, .08); transition: all .2s;
}
.kc2-minipill:hover { background: var(--brand); border-color: var(--brand); color: #fff; box-shadow: 0 8px 18px rgba(11, 152, 140, .3); }

/* ---------- 师资库首页：全品类讲师（左导航 + 右讲师） ---------- */
.kc2-pool { display: grid; grid-template-columns: 240px 1fr; gap: 26px; align-items: start; }
.kc2-pool__nav { background: #fff; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; position: sticky; top: 96px; max-height: calc(100vh - 120px); overflow-y: auto; scrollbar-width: thin; }
.kc2-pool__major { border-bottom: 1px solid #F0F3F2; }
.kc2-pool__major:last-child { border-bottom: none; }
.kc2-pool__major-btn {
  width: 100%; display: flex; align-items: center; gap: 8px; padding: 13px 16px;
  font-size: 14.5px; font-weight: 700; color: var(--ink); background: #fff; border: none; cursor: pointer; text-align: left;
}
.kc2-pool__major-btn span { margin-left: auto; font-size: 11.5px; font-weight: 500; color: var(--ink-3); }
.kc2-pool__major-btn em { flex: 0 0 auto; width: 7px; height: 7px; border-right: 2px solid #9AA5A3; border-bottom: 2px solid #9AA5A3; transform: rotate(45deg); transition: transform .2s; }
.kc2-pool__major.open .kc2-pool__major-btn em { transform: rotate(225deg); }
.kc2-pool__major.open .kc2-pool__major-btn { color: var(--brand-strong); }
.kc2-pool__subs { display: none; padding: 2px 10px 10px; }
.kc2-pool__major.open .kc2-pool__subs { display: block; }
.kc2-pool__sub {
  display: flex; justify-content: space-between; align-items: center; width: 100%;
  font-size: 13px; color: var(--ink-2); background: none; border: none; cursor: pointer;
  padding: 7px 8px; border-radius: 8px; text-align: left; transition: background .15s;
}
.kc2-pool__sub i { font-style: normal; font-size: 11px; color: var(--ink-3); }
.kc2-pool__sub:hover { background: var(--brand-50); color: var(--brand-strong); }
.kc2-pool__sub.on { background: var(--brand); color: #fff; }
.kc2-pool__sub.on i { color: rgba(255, 255, 255, .85); }
.kc2-pool__status { font-size: 14px; color: var(--ink-2); margin: 0 0 16px; }
.kc2-pool__status b { color: var(--brand-strong); }
.kc2-pool__main .mentors { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 992px) {
  .kc2-pool { grid-template-columns: 1fr; }
  .kc2-pool__nav { position: static; max-height: none; }
  .kc2-pool__main .mentors { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .kc2-pool__main .mentors { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- 师资库首页：内训师小类标签条（与区块融合的圆角卡片式） ---------- */
.kc2-nxbar {
  display: flex; align-items: stretch; background: #fff;
  border: 1px solid #E3EEEB; border-radius: 12px; overflow: hidden;
  box-shadow: 0 2px 10px rgba(6, 63, 59, .05);
}
.kc2-nxbar__label {
  flex: 0 0 auto; display: flex; align-items: center; padding: 0 26px;
  background: var(--brand); color: #fff; font-size: 15px; font-weight: 700; letter-spacing: 2px;
}
.kc2-nxbar__tabs { flex: 1; display: flex; min-width: 0; overflow-x: auto; scrollbar-width: none; }
.kc2-nxbar__tabs::-webkit-scrollbar { display: none; }
.kc2-nxbar__tabs a {
  flex: 1 1 0; display: flex; align-items: center; justify-content: center; min-width: 96px;
  font-size: 15px; font-weight: 600; color: var(--ink-2); text-decoration: none;
  border-left: 1px solid #F0F4F3; padding: 15px 6px; transition: all .18s; white-space: nowrap;
}
.kc2-nxbar__tabs a:first-child { border-left: none; }
.kc2-nxbar__tabs a:hover { color: var(--brand-strong); background: var(--brand-50); font-weight: 700; }
.kc2-nxbar-gap { height: 26px; }
@media (max-width: 768px) {
  .kc2-nxbar__tabs { overflow-x: auto; scrollbar-width: none; }
  .kc2-nxbar__tabs::-webkit-scrollbar { display: none; }
  .kc2-nxbar__tabs a { flex: 0 0 auto; padding: 13px 16px; }
  .kc2-nxbar__label { padding: 0 16px; font-size: 13.5px; letter-spacing: 1px; }
}

/* ---------- 师资库首页：内训师标签条（按钮态） ---------- */
.kc2-nxbar__tab {
  flex: 1 1 0; appearance: none; border: none; background: none; font: inherit; cursor: pointer;
  display: flex; align-items: center; justify-content: center; min-width: 96px;
  font-size: 15px; font-weight: 600; color: var(--ink-2);
  border-left: 1px solid #F0F4F3; padding: 15px 6px; transition: all .18s; white-space: nowrap;
}
.kc2-nxbar__tab:first-child { border-left: none; }
.kc2-nxbar__tab:hover { color: var(--brand-strong); background: var(--brand-50); font-weight: 700; }
.kc2-nxbar__tab.on { background: var(--brand-50); color: var(--brand-strong); font-weight: 800; box-shadow: inset 0 -3px 0 var(--brand); }
@media (max-width: 768px) {
  .kc2-nxbar__tab { flex: 0 0 auto; padding: 13px 16px; }
}

/* ---------- 全品类区：状态行 + 右上 CTA + 网格引导卡 ---------- */
.kc2-pool__bar { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; margin: 0 0 16px; }
.kc2-pool__bar .kc2-pool__status { margin: 0; }
.kc2-pool__cta {
  flex: 0 0 auto; display: inline-flex; align-items: center; gap: 6px;
  font-size: 14px; font-weight: 700; color: #fff; text-decoration: none;
  background: var(--cta); border-radius: 999px; padding: 10px 22px;
  box-shadow: 0 6px 14px rgba(255, 107, 53, .28); transition: background .2s;
}
.kc2-pool__cta:hover { background: var(--cta-dark); }
.kc2-pool__morecard { background: var(--brand-50); border: 1px dashed var(--brand-100); }
.kc2-pool__morecard .ph {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  background: linear-gradient(160deg, var(--brand-50), #D9EEE9);
}
.kc2-pool__morecard .ph b { font-size: 40px; font-weight: 800; color: var(--brand-strong); line-height: 1; }
.kc2-pool__morecard .ph span { font-size: 13px; color: var(--brand-strong); }
.kc2-pool__morecard .bd .nm { color: var(--brand-strong); font-weight: 700; }
.kc2-pool__morecard:hover { border-style: solid; }

/* 小类数量多时的标签条：自然宽度 + 横滑，防止文字覆盖 */
.kc2-nxbar--many .kc2-nxbar__tabs { overflow-x: auto; scrollbar-width: none; }
.kc2-nxbar--many .kc2-nxbar__tabs::-webkit-scrollbar { display: none; }
.kc2-nxbar--many .kc2-nxbar__tab { flex: 0 0 auto; min-width: 0; padding: 14px 15px; font-size: 13.5px; }