/* ============================================================
   王誉凯 · 讲师微官网
   移动优先，微信内置浏览器适配
   ============================================================ */

:root {
  --ink: #142231;
  --ink-2: #1d3145;
  --ink-3: #2a4258;
  --gold: #b08d4f;
  --gold-l: #cfa96a;
  --paper: #ffffff;
  --bg: #f5f2ec;
  --text: #26313d;
  --muted: #6d7885;
  --line: #e7e1d7;
  --line-d: #2f4459;
  --radius: 14px;
  --shadow: 0 2px 14px rgba(20, 34, 49, .07);
  --max: 560px;
}

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
               "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
  background: #e8e4dc;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }

/* 手机版式容器：桌面端居中呈现 */
#app {
  max-width: var(--max);
  margin: 0 auto;
  background: var(--bg);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  box-shadow: 0 0 40px rgba(0, 0, 0, .12);
}

/* ---------------- 首屏 ---------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 0 26px 100px;
  color: #fff;
  overflow: hidden;
  background: var(--ink);
}
.hero-img {
  position: absolute; inset: 0;
  background-size: auto 135%;
  background-position: center 18%;
  background-repeat: no-repeat;
  transform: scale(1.01);
}
/* 截整页快照时使用：把首屏固定为一屏高度 */
.hero.flat { min-height: 812px; }
.hero-mask {
  position: absolute; inset: 0;
  background: linear-gradient(180deg,
    rgba(20,34,49,.72) 0%,
    rgba(20,34,49,.42) 32%,
    rgba(20,34,49,.72) 68%,
    rgba(15,26,38,.96) 100%);
}
.hero-inner { position: relative; z-index: 2; }

.hero-brand {
  font-size: 11px; letter-spacing: 3px; color: var(--gold-l);
  text-transform: uppercase; margin-bottom: 18px; font-weight: 600;
}
.hero-name {
  font-size: 42px; line-height: 1.15; font-weight: 700; letter-spacing: 3px;
  margin-bottom: 10px;
}
.hero-role {
  font-size: 15px; color: rgba(255,255,255,.82); letter-spacing: 1px;
  padding-bottom: 20px; margin-bottom: 20px;
  border-bottom: 1px solid rgba(255,255,255,.16);
}
.hero-lines { font-size: 13.5px; color: rgba(255,255,255,.72); line-height: 2; }
.hero-lines b { color: var(--gold-l); font-weight: 600; }
.hero-cta {
  display: flex; gap: 12px; margin-top: 26px;
}
.btn {
  flex: 1; text-align: center; padding: 13px 0; border-radius: 100px;
  font-size: 14px; font-weight: 600; text-decoration: none; letter-spacing: .5px;
  transition: .2s;
}
.btn-gold { background: var(--gold); color: #fff; }
.btn-gold:active { background: #9c7c42; }
.btn-line { border: 1px solid rgba(255,255,255,.34); color: #fff; }
.btn-line:active { background: rgba(255,255,255,.1); }

.scroll-hint {
  position: absolute; bottom: 74px; left: 50%; transform: translateX(-50%);
  z-index: 3; width: 22px; height: 34px; border: 1.5px solid rgba(255,255,255,.3);
  border-radius: 12px;
}
.scroll-hint::after {
  content: ''; position: absolute; left: 50%; top: 7px; margin-left: -1.5px;
  width: 3px; height: 7px; border-radius: 2px; background: rgba(255,255,255,.7);
  animation: sd 1.8s infinite;
}
@keyframes sd { 0%{opacity:0;transform:translateY(0)} 40%{opacity:1} 80%{opacity:0;transform:translateY(9px)} }

/* ---------------- 数据条 ---------------- */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: var(--ink); padding: 20px 10px 24px;
  border-bottom: 1px solid var(--line-d);
}
.stat { text-align: center; }
.stat-n { font-size: 21px; font-weight: 700; color: var(--gold-l); line-height: 1.2; letter-spacing: -.5px; }
.stat-n span { font-size: 12px; font-weight: 500; margin-left: 1px; }
.stat-l { font-size: 11px; color: rgba(255,255,255,.5); margin-top: 5px; letter-spacing: .5px; }

/* ---------------- 章节 ---------------- */
.sec { padding: 46px 22px 10px; }
.sec-head { margin-bottom: 26px; }
.sec-no {
  font-size: 11px; letter-spacing: 3px; color: var(--gold);
  font-weight: 700; margin-bottom: 9px;
}
.sec-title { font-size: 23px; font-weight: 700; letter-spacing: 1px; color: var(--ink); line-height: 1.35; }
.sec-sub { font-size: 13px; color: var(--muted); margin-top: 7px; letter-spacing: .3px; }

/* ---------------- 定制说明 ---------------- */
.cus-line {
  display: flex; align-items: flex-start; gap: 8px;
  margin-top: 14px; padding: 11px 14px;
  font-size: 13px; font-weight: 600; letter-spacing: .3px;
  color: #6b5638; line-height: 1.7;
  background: #f7f4ee; border-radius: 10px;
  border-left: 3px solid var(--gold);
}
.cus-line svg {
  width: 15px; height: 15px; fill: var(--gold);
  flex-shrink: 0; margin-top: 2px;
}

/* ---------------- 讲师提醒 ---------------- */
.remind {
  position: relative; overflow: hidden;
  margin-top: 18px; padding: 22px 20px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, #1c2e42 0%, #142231 100%);
  color: #fff;
}
.remind::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: linear-gradient(180deg, var(--gold-l), rgba(176,141,79,.12));
}
.remind-k {
  font-size: 10px; letter-spacing: 2.5px; font-weight: 700;
  color: var(--gold-l); margin-bottom: 14px;
}
.remind-t {
  position: relative; padding-left: 16px;
  font-size: 15px; line-height: 1.8; letter-spacing: .3px;
  color: rgba(255,255,255,.86);
}
.remind-t + .remind-t { margin-top: 9px; }
.remind-t::before {
  content: ''; position: absolute; left: 0; top: 10px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--gold-l);
}
.remind-t b { color: #fff; font-weight: 700; }

/* ---------------- 讲师简介 ---------------- */
.intro-card {
  background: var(--paper); border-radius: var(--radius); padding: 22px 20px;
  box-shadow: var(--shadow); margin-bottom: 16px;
}
.intro-text { font-size: 14.5px; color: #3b4753; line-height: 1.95; }
.intro-text + .intro-text { margin-top: 12px; }

.title-list { list-style: none; margin-top: 4px; }
.title-list li {
  position: relative; padding: 9px 0 9px 18px; font-size: 13.5px;
  color: #3b4753; border-bottom: 1px dashed var(--line);
}
.title-list li:last-child { border-bottom: none; }
.title-list li::before {
  content: ''; position: absolute; left: 2px; top: 18px;
  width: 5px; height: 5px; border-radius: 50%; background: var(--gold);
}
.card-label {
  font-size: 12px; font-weight: 700; color: var(--gold); letter-spacing: 2px;
  margin-bottom: 12px;
}

.field-item {
  background: var(--paper); border-radius: var(--radius); padding: 18px 20px;
  margin-bottom: 10px; box-shadow: var(--shadow);
  border-left: 3px solid var(--gold);
}
.field-t { font-size: 15px; font-weight: 700; color: var(--ink); margin-bottom: 4px; }
.field-d { font-size: 13px; color: var(--muted); line-height: 1.7; }

/* ---------------- 课程体系 ---------------- */
.tabs {
  display: flex; gap: 8px; margin-bottom: 18px;
}
.tab {
  flex: 1; text-align: center; padding: 11px 4px; border-radius: 10px;
  font-size: 13px; font-weight: 600; color: var(--muted);
  background: var(--paper); border: 1px solid var(--line);
  cursor: pointer; transition: .22s;
}
.tab.on { background: var(--ink); color: #fff; border-color: var(--ink); }
.tab small { display: block; font-size: 9px; letter-spacing: 1px; opacity: .5; font-weight: 600; margin-top: 2px; }
.tab.on small { opacity: .6; color: var(--gold-l); }

.series-panel { display: none; }
.series-panel.on { display: block; animation: fade .34s ease; }
@keyframes fade { from{opacity:0; transform:translateY(8px)} to{opacity:1; transform:none} }

.series-head {
  background: var(--ink); border-radius: var(--radius); padding: 22px 20px;
  color: #fff; margin-bottom: 14px;
}
.series-head h3 { font-size: 19px; font-weight: 700; letter-spacing: 1px; margin-bottom: 9px; }
.series-head p { font-size: 13px; color: rgba(255,255,255,.7); line-height: 1.85; }

.lesson {
  background: var(--paper); border-radius: var(--radius); padding: 16px 18px;
  margin-bottom: 10px; box-shadow: var(--shadow);
  display: flex; gap: 14px; cursor: pointer;
}
.lesson-no {
  font-size: 19px; font-weight: 700; color: var(--gold);
  font-family: Georgia, "Times New Roman", serif; line-height: 1.3;
  min-width: 32px; letter-spacing: -.5px;
}
.lesson-body { flex: 1; min-width: 0; }
.lesson-top { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.lesson-name { font-size: 15px; font-weight: 700; color: var(--ink); }
.lesson-days { font-size: 11px; color: var(--muted); white-space: nowrap; flex-shrink: 0; }
.lesson-desc {
  font-size: 12.5px; color: var(--muted); line-height: 1.75; margin-top: 8px;
  max-height: 150px; overflow: hidden; opacity: 1; transition: .28s;
}
.lesson.collapsed .lesson-desc { max-height: 0; opacity: 0; margin-top: 0; }
.lesson-tag {
  display: inline-block; font-size: 10px; padding: 1px 8px; border-radius: 100px;
  background: #f0ece3; color: var(--gold); font-weight: 600; margin-top: 7px;
  letter-spacing: .5px;
}

.extras {
  background: var(--paper); border-radius: var(--radius); padding: 18px;
  box-shadow: var(--shadow); margin-top: 14px;
}
.chip-wrap { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font-size: 12px; padding: 6px 12px; border-radius: 100px;
  background: #f2eee7; color: #4a5763; letter-spacing: .2px;
}
.series-note {
  font-size: 12px; color: var(--muted); line-height: 1.8;
  margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--line);
}

/* ---------------- 客户 ---------------- */
.hl-wrap { margin-bottom: 16px; }
.hl-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
.hl {
  background: var(--paper); border-radius: 11px; padding: 13px 14px;
  box-shadow: var(--shadow); border-top: 2px solid var(--gold);
}
.hl-n { font-size: 20px; font-weight: 700; color: var(--ink); line-height: 1.1; }
.hl-n small { font-size: 11px; font-weight: 500; color: var(--gold); margin-left: 3px; }
.hl-c { font-size: 11.5px; color: var(--muted); margin-top: 4px; line-height: 1.5; }

.grp {
  background: var(--paper); border-radius: var(--radius); margin-bottom: 9px;
  box-shadow: var(--shadow); overflow: hidden;
}
.grp-head {
  padding: 14px 18px; display: flex; align-items: center;
  justify-content: space-between; cursor: pointer;
}
.grp-t { font-size: 14px; font-weight: 700; color: var(--ink); }
.grp-ico {
  width: 16px; height: 16px; position: relative; flex-shrink: 0;
}
.grp-ico::before, .grp-ico::after {
  content: ''; position: absolute; background: var(--gold); border-radius: 2px;
  transition: .3s;
}
.grp-ico::before { left: 3px; top: 7px; width: 10px; height: 2px; }
.grp-ico::after { left: 7px; top: 3px; width: 2px; height: 10px; }
.grp.open .grp-ico::after { transform: rotate(90deg); opacity: 0; }
.grp-body {
  max-height: 0; overflow: hidden; transition: max-height .38s ease;
}
.grp.open .grp-body { max-height: 1600px; }
.grp-list {
  padding: 0 18px 16px; font-size: 12.5px; color: #55616d;
  line-height: 2; border-top: 1px dashed var(--line); padding-top: 13px;
}

/* ---------------- 照片墙 ---------------- */
.gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
.gal-item {
  position: relative; border-radius: 11px; overflow: hidden; background: #ddd;
  aspect-ratio: 4 / 3; box-shadow: var(--shadow);
}
.gal-item:first-child { grid-column: span 2; aspect-ratio: 16 / 10; }
.gal-item img { width: 100%; height: 100%; object-fit: cover; }
.gal-cap {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 20px 12px 9px; font-size: 11px; color: #fff;
  background: linear-gradient(transparent, rgba(0,0,0,.72));
  letter-spacing: .3px;
}

/* ---------------- 观点 ---------------- */
.view-quote {
  background: var(--ink); border-radius: var(--radius); padding: 26px 22px;
  position: relative; overflow: hidden;
}
.view-quote::before {
  content: '"'; position: absolute; right: 14px; top: -14px;
  font-size: 100px; color: rgba(176,141,79,.16); font-family: Georgia, serif;
  line-height: 1;
}
.vq-text {
  font-size: 16px; color: #fff; line-height: 1.85; letter-spacing: .3px;
  min-height: 62px; position: relative; z-index: 1;
}
.vq-dots { display: flex; gap: 6px; margin-top: 20px; position: relative; z-index: 1; }
.vq-dot {
  width: 5px; height: 5px; border-radius: 50%; background: rgba(255,255,255,.24);
  transition: .3s; cursor: pointer;
}
.vq-dot.on { background: var(--gold-l); width: 16px; border-radius: 3px; }

.article {
  background: var(--paper); border-radius: var(--radius); padding: 24px 20px;
  box-shadow: var(--shadow); margin-top: 16px;
}
.article h4 { font-size: 17px; font-weight: 700; color: var(--ink); margin-bottom: 5px; letter-spacing: .5px; }
.article .lead { font-size: 13px; color: var(--gold); margin-bottom: 18px; letter-spacing: .5px; }
.art-part { margin-bottom: 16px; }
.art-k {
  font-size: 13.5px; font-weight: 700; color: var(--ink); margin-bottom: 5px;
  display: flex; align-items: center; gap: 7px;
}
.art-k::before {
  content: ''; width: 3px; height: 13px; background: var(--gold); border-radius: 2px;
}
.art-v { font-size: 13.5px; color: #4d5965; line-height: 1.9; }
.art-quote {
  font-size: 13.5px; color: var(--ink); line-height: 1.9; font-weight: 600;
  padding: 14px 16px; background: #f7f4ee; border-radius: 10px;
  border-left: 3px solid var(--gold); margin-top: 4px;
}

/* ---------------- 证书 ---------------- */
.cert-strip {
  display: flex; gap: 10px; overflow-x: auto; padding-bottom: 6px;
  -webkit-overflow-scrolling: touch; scrollbar-width: none;
}
.cert-strip::-webkit-scrollbar { display: none; }
.cert-item { flex: 0 0 132px; }
.cert-item img {
  width: 132px; height: 96px; object-fit: cover; border-radius: 9px;
  box-shadow: var(--shadow); background: #fff;
}
.cert-cap { font-size: 10.5px; color: var(--muted); margin-top: 6px; line-height: 1.4; text-align: center; }

/* ---------------- 联系 ---------------- */
.contact {
  background: var(--ink); padding: 46px 22px 40px; margin-top: 40px;
  color: #fff; position: relative; overflow: hidden;
}
.contact .sec-title { color: #fff; }
.contact .sec-sub { color: rgba(255,255,255,.55); }
.ct-list { margin: 20px 0 22px; }
.ct-note {
  font-size: 12.5px; color: rgba(255,255,255,.62); line-height: 1.95;
  background: rgba(255,255,255,.05); border-radius: 12px;
  padding: 15px 16px; border-left: 2px solid var(--gold);
}

/* 需求单入口 */
.demand-card {
  display: block; text-decoration: none;
  background: linear-gradient(158deg, rgba(255,255,255,.10), rgba(255,255,255,.035));
  border: 1px solid rgba(176,141,79,.42);
  border-radius: var(--radius);
  padding: 22px 20px 20px;
  position: relative; overflow: hidden;
  transition: transform .18s, border-color .18s;
}
.demand-card::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: linear-gradient(180deg, var(--gold-l), var(--gold));
}
.demand-card:active { transform: scale(.985); border-color: rgba(176,141,79,.75); }

.dc-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 15px; }
.dc-tag {
  font-size: 10px; letter-spacing: 2px; color: var(--gold-l);
  border: 1px solid rgba(176,141,79,.5); border-radius: 4px; padding: 3px 8px;
}
.dc-time { font-size: 11px; color: rgba(255,255,255,.4); letter-spacing: .3px; }

.dc-t { font-size: 18px; font-weight: 700; color: #fff; letter-spacing: .5px; }
.dc-d { font-size: 13px; color: rgba(255,255,255,.62); line-height: 1.9; margin-top: 10px; }

.dc-btn {
  margin-top: 18px; height: 48px; border-radius: 100px;
  background: var(--gold); color: #fff;
  font-size: 15px; font-weight: 700; letter-spacing: 1px;
  display: flex; align-items: center; justify-content: center; gap: 2px;
}
.dc-btn svg { width: 19px; height: 19px; fill: currentColor; }
.dc-off .dc-btn { background: rgba(255,255,255,.18); }

.dc-tip {
  font-size: 11px; color: rgba(255,255,255,.35);
  text-align: center; margin-top: 11px; letter-spacing: .3px;
}
.dc-tip.warn { color: #e0a97a; }

.foot {
  text-align: center; padding: 26px 22px 90px; font-size: 11.5px;
  color: var(--muted); line-height: 2; background: var(--ink);
  border-top: 1px solid rgba(255,255,255,.08);
}
.foot b { color: rgba(255,255,255,.62); font-weight: 600; }
.foot-icp { margin-top: 9px; font-size: 10.5px; letter-spacing: .3px; }
.foot-icp a { color: rgba(255,255,255,.34); text-decoration: none; }
.foot-icp a:active { color: rgba(255,255,255,.6); }

/* ---------------- 底部导航 ---------------- */
.tabbar {
  position: fixed; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: var(--max); z-index: 60;
  background: rgba(20,34,49,.96);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  border-top: 1px solid rgba(255,255,255,.1);
  display: flex; padding: 7px 0 calc(7px + env(safe-area-inset-bottom));
}
.tb {
  flex: 1; text-align: center; text-decoration: none; padding: 3px 0;
  color: rgba(255,255,255,.45); font-size: 10px; letter-spacing: .5px;
  transition: .2s;
}
.tb svg { width: 19px; height: 19px; display: block; margin: 0 auto 3px; fill: currentColor; }
.tb.on { color: var(--gold-l); }

/* 图片放大 */
.lightbox {
  position: fixed; inset: 0; z-index: 200; background: rgba(8,14,20,.95);
  display: none; align-items: center; justify-content: center; padding: 20px;
}
.lightbox.on { display: flex; }
.lightbox img { max-width: 100%; max-height: 84vh; border-radius: 8px; }
.lightbox-cap {
  position: absolute; bottom: 34px; left: 0; right: 0; text-align: center;
  font-size: 13px; color: rgba(255,255,255,.72); padding: 0 30px;
}

/* 进度条 */
.progress {
  position: fixed; top: 0; left: 0; height: 2px; z-index: 100;
  background: var(--gold); width: 0; transition: width .1s;
}

/* ---------------- 课程条目：大纲入口 ---------------- */
.lesson-act {
  display: flex; gap: 8px; margin-top: 12px;
  padding-top: 12px; border-top: 1px dashed var(--line);
}
.la {
  font-size: 11.5px; padding: 6px 12px; border-radius: 100px;
  letter-spacing: .3px; font-weight: 600;
}
.la-view { background: var(--ink); color: #fff; }
.la-view::after { content: ' ›'; color: var(--gold-l); }
.la-view:active { background: var(--ink-2); }
.la-dl { background: #f2eee7; color: #8a6d33; }
.la-dl:active { background: #e9e3d8; }

/* ---------------- 管理者综合能力提升项目 ---------------- */
.pj-intro {
  background: var(--ink); border-radius: var(--radius); padding: 24px 22px;
  color: #fff; position: relative; overflow: hidden;
}
.pj-intro::before {
  content: ''; position: absolute; right: -40px; top: -40px;
  width: 150px; height: 150px; border-radius: 50%;
  background: radial-gradient(circle, rgba(176,141,79,.3), transparent 70%);
}
.pj-k {
  font-size: 10px; letter-spacing: 2.5px; color: var(--gold-l);
  font-weight: 700; margin-bottom: 13px; position: relative; z-index: 1;
}
.pj-h {
  font-size: 19px; font-weight: 700; line-height: 1.45; letter-spacing: .5px;
  margin-bottom: 12px; position: relative; z-index: 1;
}
.pj-p {
  font-size: 13.5px; color: rgba(255,255,255,.72); line-height: 1.95;
  position: relative; z-index: 1;
}

.pj-why {
  background: var(--paper); border-radius: var(--radius); padding: 16px 18px;
  box-shadow: var(--shadow); margin-bottom: 10px; border-left: 3px solid var(--gold);
}
.pj-why-t { font-size: 14.5px; font-weight: 700; color: var(--ink); margin-bottom: 5px; }
.pj-why-d { font-size: 12.8px; color: var(--muted); line-height: 1.85; }

.pj-sp {
  background: var(--paper); border-radius: var(--radius); padding: 16px 18px;
  box-shadow: var(--shadow); margin-bottom: 10px;
}
.pj-sp-head { display: flex; align-items: baseline; gap: 9px; margin-bottom: 9px; flex-wrap: wrap; }
.pj-sp-no {
  font-family: Georgia, "Times New Roman", serif; font-size: 16px;
  font-weight: 700; color: var(--gold); line-height: 1;
}
.pj-sp-t { font-size: 15px; font-weight: 700; color: var(--ink); }
.pj-sp-d {
  font-size: 10.5px; color: var(--gold); background: #f4f0e8;
  padding: 2px 9px; border-radius: 100px; font-weight: 600;
}
.pj-sp-l { list-style: none; }
.pj-sp-l li {
  position: relative; padding: 4px 0 4px 14px;
  font-size: 12.5px; color: #4d5965; line-height: 1.75;
}
.pj-sp-l li::before {
  content: ''; position: absolute; left: 2px; top: 11px;
  width: 4px; height: 4px; border-radius: 50%; background: var(--gold);
}

.pj-f {
  background: var(--paper); border-radius: 11px; padding: 14px 16px;
  box-shadow: var(--shadow); margin-bottom: 8px;
}
.pj-f-t { font-size: 13.5px; font-weight: 700; color: var(--ink); margin-bottom: 4px; }
.pj-f-d { font-size: 12.5px; color: var(--muted); line-height: 1.85; }

.pj-v {
  background: var(--paper); border-radius: 11px; padding: 14px 16px;
  box-shadow: var(--shadow); margin-bottom: 8px;
}
.pj-v-k { font-size: 12.5px; font-weight: 700; color: var(--gold); letter-spacing: .5px; }
.pj-v-v { font-size: 13px; color: var(--ink); font-weight: 600; line-height: 1.75; margin: 3px 0; }
.pj-v-n { font-size: 11.5px; color: var(--muted); }

.pj-out {
  background: var(--paper); border-radius: var(--radius);
  padding: 14px 18px 6px; box-shadow: var(--shadow);
}
.pj-o {
  position: relative; padding: 8px 0 8px 18px; font-size: 12.8px;
  color: #4d5965; line-height: 1.75; border-bottom: 1px dashed var(--line);
}
.pj-o:last-child { border-bottom: none; }
.pj-o::before {
  content: ''; position: absolute; left: 3px; top: 15px;
  width: 4px; height: 4px; border-radius: 50%; background: var(--gold);
}

.pj-method {
  font-size: 12px; color: var(--muted); line-height: 1.9;
  background: #f4f1ea; border-radius: 10px; padding: 13px 15px; margin-top: 16px;
}

.pj-dl {
  margin-top: 16px; background: var(--paper); border-radius: var(--radius);
  padding: 20px 18px; box-shadow: var(--shadow); text-align: center;
  border: 1px dashed #ded3bd;
}
.pj-dl-t { font-size: 15px; font-weight: 700; color: var(--ink); }
.pj-dl-d { font-size: 12px; color: var(--muted); margin: 6px 0 15px; line-height: 1.7; }
.pj-dl-btns { display: flex; gap: 10px; }
.pj-btn {
  flex: 1; text-align: center; padding: 11px 0; border-radius: 100px;
  font-size: 13.5px; font-weight: 600; text-decoration: none; border: none;
  font-family: inherit; cursor: pointer; letter-spacing: .3px; display: block;
}
.pj-btn-main { background: var(--gold); color: #fff; }
.pj-btn-main:active { background: #9c7c42; }
.pj-btn-line { background: #f2eee7; color: #6b5638; }
.pj-btn-line:active { background: #e9e3d8; }

/* ---------------- 课程大纲弹层 ---------------- */
.sheet {
  position: fixed; inset: 0; z-index: 300; display: none;
  background: rgba(10,17,25,.62);
  -webkit-backdrop-filter: blur(3px); backdrop-filter: blur(3px);
}
.sheet.on { display: block; animation: shFade .2s ease; }
@keyframes shFade { from { opacity: 0 } to { opacity: 1 } }

.sheet-panel {
  position: absolute; left: 50%; bottom: 0;
  width: 100%; max-width: var(--max); height: 92vh;
  background: var(--paper); border-radius: 18px 18px 0 0;
  display: flex; flex-direction: column; overflow: hidden;
  animation: shUp .3s cubic-bezier(.22,.7,.3,1);
}
@keyframes shUp {
  from { transform: translateX(-50%) translateY(34px); opacity: .35; }
  to   { transform: translateX(-50%) translateY(0);     opacity: 1; }
}
.sheet-panel { transform: translateX(-50%); }

.sheet-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 12px; padding: 18px 20px 14px; border-bottom: 1px solid var(--line);
  flex-shrink: 0;
}
.sheet-head-txt { min-width: 0; }
.sheet-kicker {
  font-size: 10px; letter-spacing: 2px; color: var(--gold);
  font-weight: 700; margin-bottom: 5px;
}
.sheet-title { font-size: 17px; font-weight: 700; color: var(--ink); line-height: 1.4; }
.sheet-close {
  width: 30px; height: 30px; border-radius: 50%; border: none; flex-shrink: 0;
  background: #f2eee7; color: var(--muted); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.sheet-close svg { width: 16px; height: 16px; fill: currentColor; }
.sheet-close:active { background: #e9e3d8; }

.sheet-body {
  flex: 1; overflow-y: auto; -webkit-overflow-scrolling: touch;
  padding: 18px 20px 24px;
}

.sh-meta {
  background: #f6f3ed; border-radius: 11px; padding: 12px 14px;
  border-left: 3px solid var(--gold); margin-bottom: 18px;
}
.sh-meta-row { display: flex; gap: 10px; padding: 2px 0; font-size: 12.5px; line-height: 1.75; }
.sh-meta-row span { color: var(--gold); font-weight: 700; flex-shrink: 0; width: 30px; }
.sh-meta-row b { color: #3d4a56; font-weight: 500; }

.sh-h {
  font-size: 14px; font-weight: 700; color: var(--ink);
  margin: 20px 0 9px; display: flex; align-items: center; gap: 8px;
}
.sh-h::before { content: ''; width: 3px; height: 14px; background: var(--gold); border-radius: 2px; }
.sh-h:first-child { margin-top: 0; }
.sh-p { font-size: 13px; color: #4d5965; line-height: 1.9; }

.sh-goals { list-style: none; counter-reset: sg; }
.sh-goals li {
  position: relative; padding: 5px 0 5px 24px; font-size: 13px;
  color: #4d5965; line-height: 1.8; counter-increment: sg;
}
.sh-goals li::before {
  content: counter(sg); position: absolute; left: 0; top: 6px;
  width: 16px; height: 16px; border-radius: 50%; background: #f0ece3;
  color: var(--gold); font-size: 9.5px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}

.sh-sec { margin-bottom: 15px; }
.sh-sec-t {
  font-size: 13.5px; font-weight: 700; color: var(--ink-2);
  margin-bottom: 6px; padding-left: 2px;
}
.sh-items { list-style: none; }
.sh-items li {
  position: relative; padding: 3.5px 0 3.5px 15px; font-size: 12.5px;
  color: #5a6672; line-height: 1.8;
}
.sh-items li::before {
  content: ''; position: absolute; left: 3px; top: 12px;
  width: 4px; height: 4px; border-radius: 50%; background: #d6cbb6;
}

.sh-note {
  font-size: 11.5px; color: var(--muted); line-height: 1.85;
  margin-top: 20px; background: #f6f3ed; border-radius: 10px; padding: 12px 14px;
}

.sheet-foot {
  flex-shrink: 0; padding: 12px 20px calc(14px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--line); background: #fff; text-align: center;
}
.sheet-dl {
  display: flex; align-items: center; justify-content: center; gap: 7px;
  background: var(--gold); color: #fff; text-decoration: none;
  padding: 13px 0; border-radius: 100px; font-size: 14.5px; font-weight: 700;
  letter-spacing: .5px;
}
.sheet-dl:active { background: #9c7c42; }
.sheet-dl svg { width: 16px; height: 16px; fill: currentColor; }
.sheet-tip { font-size: 11px; color: var(--muted); margin-top: 8px; }

@media (min-width: 561px) {
  .hero { min-height: 620px; }
}

@media (max-width: 360px) {
  .hero-name { font-size: 36px; }
  .stat-n { font-size: 18px; }
  .sec { padding: 40px 18px 10px; }
}