:root{
  --bg:#0a0a0f; --bg2:#12121a;  --card:linear-gradient(165deg, rgba(194,161,96,.14) 0%, rgba(25,22,17,.34) 100%); --card-h:rgba(194,161,96,.18);
  --border:rgba(194,161,96,.30); --border-a:rgba(216,189,126,.46);
  --text:#f0f0f5; --text-d:#e0d5bb; --text-m:#d0c19d;
  /* 磨砂金主题: 降低饱和度 / 压暗, 金色只作窄边框+重点强调 */
  --gold:#b9975a; --gold2:#d8bd7e; --gold-faint:rgba(185,151,90,.13);
  --gold-border:rgba(194,161,96,.38); --gold-border-soft:rgba(185,151,90,.22);
  --red:#e63946; --green:#06d6a0;
  --shadow:0 8px 32px rgba(0,0,0,0.4);
  --r:12px; --r-lg:20px;
}
*{box-sizing:border-box;margin:0;padding:0}
/* 半透明玻璃卡片: 轻微暖色渐变 + 背景模糊, 取代大面积高亮金色 */
.feature,.price,.testi-card,.faq-item{
  background:linear-gradient(165deg, rgba(194,161,96,.10) 0%, rgba(10,10,15,.26) 100%);
  border:1px solid var(--gold-border);
  backdrop-filter:blur(7px); -webkit-backdrop-filter:blur(7px);
  box-shadow:0 4px 18px rgba(0,0,0,.18);
}
.module{
  background:linear-gradient(165deg, rgba(194,161,96,.14) 0%, rgba(25,22,17,.34) 100%);
  border:1px solid var(--gold-border);
  backdrop-filter:blur(7px); -webkit-backdrop-filter:blur(7px);
  box-shadow:0 4px 18px rgba(0,0,0,.16);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
/* 锚点/关键内容滚动落点: 避开吸顶导航(约 70px)。锚点导航(首页 #modules/#pricing 等)、
 * scrollIntoView(#coachTutor 等)、搜索框聚焦滚动都会尊重 scroll-margin, 不把内容藏到导航下。 */
[id]{scroll-margin-top:88px}
h1{scroll-margin-top:88px}
body{
  background:var(--bg); color:var(--text);
  font-family:'Inter',-apple-system,BlinkMacMacSystemFont,'Segoe UI',Roboto,sans-serif;
  line-height:1.6; min-height:100vh; overflow-x:hidden;
}
body::before{
  content:''; position:fixed; inset:0; z-index:-1;
  background-image:url('../img/luxury/lux_aerial_city_night.jpg');
  background-size:cover; background-position:center;
  /* 多层遮罩: 顶部/底部加暗, 中央偏暗保证文字可读, 同时保留主题金色氛围 */
  background-image:
    linear-gradient(180deg, rgba(10,10,15,.76) 0%, rgba(10,10,15,.58) 30%, rgba(10,10,15,.64) 60%, rgba(10,10,15,.82) 100%),
    radial-gradient(ellipse at 20% 0%, rgba(212,175,55,.11) 0%, transparent 50%),
    url('../img/luxury/lux_aerial_city_night.jpg');
  background-size:cover; background-position:center;
  pointer-events:none;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* ===== NAV ===== */
.nav{
  position:sticky; top:0; z-index:100;
  background:linear-gradient(180deg, rgba(28,23,13,.52) 0%, rgba(14,11,6,.60) 100%);
  backdrop-filter:blur(30px) saturate(1.9);
  -webkit-backdrop-filter:blur(30px) saturate(1.9);
  border-bottom:1px solid var(--gold-border);
  box-shadow:inset 0 1px 0 rgba(216,189,126,.16), 0 8px 30px rgba(0,0,0,.28);
  transition:background .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.nav::before{
  content:''; position:absolute; left:0; right:0; top:0; height:1px;
  background:linear-gradient(90deg,transparent,rgba(216,189,126,.28),transparent);
  pointer-events:none;
}
.nav::after{
  content:''; position:absolute; left:0; right:0; bottom:-1px; height:1px;
  background:linear-gradient(90deg,transparent,rgba(185,151,90,.45),rgba(230,57,70,.22),transparent);
  opacity:.8; pointer-events:none;
}
.nav.scrolled{
  background:linear-gradient(180deg, rgba(24,18,9,.60) 0%, rgba(12,9,5,.66) 100%);
  box-shadow:inset 0 1px 0 rgba(216,189,126,.16), 0 14px 40px rgba(0,0,0,.55), 0 0 34px rgba(185,151,90,.07);
}
.nav-inner{max-width:1280px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:19px;letter-spacing:-0.02em;position:relative;z-index:2}
.logo-badge{
  width:38px;height:38px;border-radius:11px;position:relative;
  background:linear-gradient(135deg,var(--gold),var(--red));
  display:grid;place-items:center;font-size:19px;color:#1a1a1a;font-weight:900;
  box-shadow:0 4px 14px rgba(212,175,55,.35), inset 0 1px 0 rgba(255,255,255,.4);
  transition:transform .25s ease;
}
.logo-badge::after{content:'';position:absolute;inset:-3px;border-radius:14px;border:1px solid rgba(212,175,55,.35)}
.logo:hover .logo-badge{transform:rotate(-6deg) scale(1.05)}
.logo-text{background:linear-gradient(135deg,var(--gold2),var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent;filter:saturate(0.9)}
.nav-links{display:flex;gap:2px;align-items:center}
.nav-links > a,.nav-more-toggle{
  position:relative; padding:9px 13px; border-radius:9px;
  color:var(--text-d); font-size:13.5px; font-weight:550; letter-spacing:.01em;
  transition:color .2s, background .2s;
  white-space:nowrap;
}
.nav-links > a::after{
  content:''; position:absolute; left:13px; right:13px; bottom:4px; height:2px; border-radius:2px;
  background:linear-gradient(90deg,var(--gold),var(--gold2));
  transform:scaleX(0); transform-origin:left;
  transition:transform .25s cubic-bezier(.4,0,.2,1);
}
.nav-links > a:hover{color:var(--text); background:rgba(255,255,255,.05)}
.nav-links > a:hover::after{transform:scaleX(1)}
.nav-links > a.active,.nav-links > a[aria-current="page"]{color:var(--gold2)}
.nav-links > a.active::after,.nav-links > a[aria-current="page"]::after{transform:scaleX(1)}
.nav-cta{
  margin-left:6px; padding:10px 22px !important; border-radius:999px !important;
  background:linear-gradient(135deg,var(--gold),var(--gold2)) !important;
  color:#17130a !important; font-weight:800 !important; font-size:13.5px !important;
  box-shadow:0 4px 18px rgba(212,175,55,.35), inset 0 1px 0 rgba(255,255,255,.5);
  transition:transform .2s, box-shadow .2s, filter .2s !important;
  overflow:hidden;
}
.nav-cta::before{
  content:''; position:absolute; top:0; bottom:0; left:-60%; width:40%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.55),transparent);
  transform:skewX(-20deg); transition:left .5s ease;
}
.nav-cta:hover{transform:translateY(-2px); box-shadow:0 8px 26px rgba(212,175,55,.45)}
.nav-cta:hover::before{left:130%}
.nav-cta::after{display:none}
/* 频控隐藏报名条后的转化入口兜底: 导航 Enroll 一次性高亮(脉冲闪烁后回到常态) */
.nav-cta.nav-cta-pulse{animation:navCtaPulse 2.2s ease 1}
@keyframes navCtaPulse{
  0%{box-shadow:0 0 0 0 rgba(212,175,55,.65), 0 4px 18px rgba(212,175,55,.35)}
  45%{box-shadow:0 0 0 10px rgba(212,175,55,0), 0 0 30px rgba(212,175,55,.75); transform:translateY(-1px)}
  100%{box-shadow:0 4px 18px rgba(212,175,55,.35); transform:translateY(0)}
}
/* 读屏专用: 视觉隐藏但保留给 assistive tech (aria-live 播报节点用) */
.mca-sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
/* More ▾ dropdown */
.nav-more{position:relative; display:inline-flex}
.nav-more-toggle{
  display:inline-flex; align-items:center; gap:6px; cursor:pointer;
  background:none; border:none; font:inherit; letter-spacing:inherit;
}
.nav-more-toggle .nav-more-caret{transition:transform .2s; font-size:10px; color:var(--gold)}
.nav-more.open .nav-more-caret{transform:rotate(180deg)}
.nav-more-menu{
  position:absolute; top:calc(100% + 10px); right:0; z-index:120;
  min-width:236px; max-width:min(320px, calc(100vw - 24px)); padding:8px;
  max-height:calc(100vh - 130px); overflow-y:auto;
  background:linear-gradient(180deg, rgba(28,22,12,.82) 0%, rgba(14,11,6,.84) 100%);
  backdrop-filter:blur(22px) saturate(1.6); -webkit-backdrop-filter:blur(22px) saturate(1.6);
  border:1px solid var(--gold-border);
  border-radius:14px;
  box-shadow:0 24px 60px rgba(0,0,0,.6), 0 0 30px rgba(212,175,55,.1);
  opacity:0; visibility:hidden; transform:translateY(8px);
  transition:opacity .18s ease, transform .18s ease, visibility .18s;
  display:grid; gap:2px;
}
.nav-more.open .nav-more-menu{opacity:1; visibility:visible; transform:translateY(0)}
.nav-more-menu a{
  display:flex; align-items:center; gap:9px;
  padding:9px 12px; border-radius:9px;
  color:var(--text-d); font-size:13.5px; font-weight:550;
  transition:color .15s, background .15s;
}
.nav-more-menu a::before{content:''; width:5px; height:5px; border-radius:50%; background:var(--gold); opacity:.7; flex:none}
.nav-more-menu a:hover{color:var(--text); background:rgba(212,175,55,.1)}
.nav-more-menu a.active,.nav-more-menu a[aria-current="page"]{color:var(--gold2); background:rgba(212,175,55,.08)}
/* ===== 移动端菜单: 滚动锁定 + 遮罩 ===== */
body.menu-open{overflow:hidden}
.nav-overlay{
  position:fixed; inset:0; z-index:99;
  background:rgba(5,4,2,.55);
  backdrop-filter:blur(2px); -webkit-backdrop-filter:blur(2px);
  opacity:0; visibility:hidden; pointer-events:none;
  transition:opacity .25s ease, visibility .25s;
}
body.menu-open .nav-overlay{opacity:1; visibility:visible; pointer-events:auto}
/* hamburger + account controls */
.nav-toggle{
  display:none; width:40px; height:40px; border-radius:10px;
  background:rgba(255,255,255,.05); border:1px solid var(--border);
  color:var(--text); cursor:pointer; position:relative; z-index:2;
  align-items:center; justify-content:center;
  transition:border-color .2s, background .2s;
}
.nav-toggle:hover{border-color:var(--border-a); background:rgba(255,255,255,.09)}
.nav-bars{display:inline-flex; flex-direction:column; gap:5px; width:18px}
.nav-bars span{display:block; height:2px; border-radius:2px; background:var(--text); transition:transform .25s ease, opacity .2s ease}
.nav-toggle.open .nav-bars span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open .nav-bars span:nth-child(2){opacity:0}
.nav-toggle.open .nav-bars span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
#mcaAccountControls{margin-left:2px}
#mcaAccountControls a,#mcaAccountControls button{font-size:13px; font-weight:600; padding:8px 12px; border-radius:9px; transition:all .18s}
#mcaAccountControls .mca-account-link:hover{background:rgba(212,175,55,.12)}
#mcaAccountControls .mca-signin-link:hover{color:var(--text); background:rgba(255,255,255,.05)}
#mcaAccountControls .mca-logout:hover{color:var(--text); background:rgba(230,57,70,.12); border-color:rgba(230,57,70,.4)!important}
#mcaAccountControls .mca-join-link:hover{filter:brightness(1.15)}

/* ===== UX COMPONENTS (progress bar / back-to-top / mobile CTA) ===== */
#mcaReadBar{
  position:fixed; top:0; left:0; height:3px; width:0; z-index:210;
  background:linear-gradient(90deg,var(--gold),var(--gold2));
  border-radius:0 3px 3px 0;
  box-shadow:0 0 12px rgba(212,175,55,.65);
  pointer-events:none;
  transition:width .1s linear;
}
#mcaTopBtn{
  position:fixed; right:20px; bottom:90px; z-index:150;
  width:46px; height:46px; border-radius:50%;
  background:linear-gradient(180deg, rgba(34,27,13,.94) 0%, rgba(17,14,8,.92) 100%);
  border:1px solid rgba(212,175,55,.38);
  color:var(--gold2); cursor:pointer;
  backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  box-shadow:0 8px 26px rgba(0,0,0,.45), 0 0 22px rgba(212,175,55,.12), inset 0 1px 0 rgba(245,215,110,.16);
  display:grid; place-items:center;
  opacity:0; visibility:hidden; transform:translateY(12px);
  transition:opacity .25s ease, transform .25s ease, visibility .25s, box-shadow .2s ease, bottom .22s ease;
}
#mcaTopBtn:hover{box-shadow:0 10px 30px rgba(0,0,0,.55), 0 0 30px rgba(212,175,55,.25), inset 0 1px 0 rgba(245,215,110,.2); transform:translateY(-2px)}
#mcaTopBtn.show{opacity:1; visibility:visible; transform:translateY(0)}
#mcaTopBtn svg{width:18px; height:18px; fill:none; stroke:currentColor; stroke-width:2.4; stroke-linecap:round; stroke-linejoin:round}
@media (max-width:900px){
  #mcaTopBtn{bottom:96px; right:14px}
}
@media (min-width:901px){
  #mcaTopBtn{bottom:24px}
}

/* ===== CONTINUE BAR + FEEDBACK STRIP (由 js/home-ux.js 渲染) =====
 * 卡片居中: max-width + margin auto; 图标/标题/副题/按钮一行排布, 小屏折行 */
.mca-cont-wrap{max-width:1160px;margin:26px auto 0;padding:0 18px}
.mca-cont-card{
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  padding:18px 22px;border-radius:var(--r-lg);
  background:var(--card);border:1px solid var(--border);
  box-shadow:var(--shadow);
}
.mca-cont-icon{font-size:26px;line-height:1;flex:0 0 auto}
.mca-cont-body{flex:1 1 320px;min-width:0}
.mca-cont-title{font-size:18px;font-weight:800;color:var(--text);margin:0 0 4px}
.mca-cont-sub{font-size:14px;color:var(--text-m);line-height:1.55}
.mca-cont-sub b{color:var(--text-d)}
.mca-cont-stats{margin-top:8px;font-size:13px;color:var(--text-m)}
.mca-cont-stats b{color:var(--gold2)}
.mca-cont-card .btn{flex:0 0 auto;margin-left:auto}
@media (max-width:640px){
  .mca-cont-card .btn{margin-left:0;width:100%;justify-content:center}
}
.mca-fb-strip{max-width:1160px;margin:14px auto 0;padding:0 18px;display:none;gap:10px;flex-wrap:wrap}
.mca-fb{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;font-size:13px;color:var(--text-m);
  background:rgba(194,161,96,.08);border:1px solid var(--gold-border-soft);
}
.mca-fb b{color:var(--gold2)}

/* ===== LESSON PREV/NEXT NAV ===== */
body.has-lesson-nav{padding-bottom:96px}
#mcaLessonNav{
  position:fixed; left:50%; transform:translateX(-50%); bottom:16px; z-index:135;
  width:min(760px, calc(100vw - 24px));
  background:linear-gradient(180deg, rgba(34,27,13,.96) 0%, rgba(17,14,8,.96) 100%);
  border:1px solid rgba(212,175,55,.34);
  border-radius:16px;
  backdrop-filter:blur(20px); -webkit-backdrop-filter:blur(20px);
  box-shadow:0 18px 48px rgba(0,0,0,.55), 0 0 28px rgba(212,175,55,.09), inset 0 1px 0 rgba(245,215,110,.14);
  padding:8px 10px;
  transition:transform .22s ease, opacity .22s ease, bottom .22s ease;
}
#mcaLessonNav .ln-count{
  text-align:center; font-size:11px; font-weight:700; letter-spacing:.06em;
  color:var(--gold2); opacity:.85; margin:0 0 6px;
}
#mcaLessonNav .ln-sides{display:flex; gap:8px}
#mcaLessonNav a{
  flex:1; min-width:0; display:block;
  padding:10px 14px; border-radius:12px;
  border:1px solid rgba(212,175,55,.18);
  background:rgba(255,255,255,.03);
  transition:border-color .18s, background .18s, transform .18s;
}
#mcaLessonNav a:hover{border-color:rgba(212,175,55,.45); background:rgba(212,175,55,.1); transform:translateY(-1px)}
#mcaLessonNav .ln-label{
  display:block; font-size:11px; font-weight:700; color:var(--gold2); letter-spacing:.03em;
  margin-bottom:3px;
}
#mcaLessonNav .ln-next .ln-label{text-align:right}
#mcaLessonNav .ln-title{
  display:block; font-size:12.5px; font-weight:600; color:var(--text);
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
}
#mcaLessonNav .ln-next .ln-title{text-align:right}
#mcaLessonNav a.ln-all, #mcaLessonNav a.ln-done{border-style:dashed}
/* 直达定位闪亮 */
.ln-flash{
  animation:lnFlash 2s ease !important;
  border-radius:12px;
}
@keyframes lnFlash{
  0%{box-shadow:0 0 0 2px var(--gold), 0 0 30px rgba(212,175,55,.65); background:rgba(212,175,55,.14)}
  60%{box-shadow:0 0 0 2px var(--gold), 0 0 30px rgba(212,175,55,.65); background:rgba(212,175,55,.14)}
  100%{box-shadow:0 0 0 2px transparent; background:transparent}
}
/* 手机端与吸底报名条错开: 课程导航 dock 在报名条上方, 两栏垂直排列不互相遮挡 */
@media (max-width:900px){
  #mcaLessonNav{bottom:78px; z-index:141}
  #mcaLessonNav .ln-sides{flex-direction:column}
  #mcaLessonNav a{padding:9px 12px}
  #mcaTopBtn{bottom:232px}
  body.has-lesson-nav{padding-bottom:258px}
  /* 手机端只在课程卡附近显示导航: 滚远自动下滑收起, 释放屏幕空间 */
  body.ln-nav-hidden #mcaLessonNav{
    transform:translateX(-50%) translateY(calc(100% + 24px));
    opacity:0; pointer-events:none;
  }
  body.ln-nav-hidden{padding-bottom:78px}
  body.ln-nav-hidden #mcaTopBtn{bottom:96px}
  /* 报名条被关闭后: 课程导航下沉回底部16px, 回顶按钮下沉, 底部空间动态回收 */
  body.mca-cta-closed #mcaLessonNav{bottom:16px}
  body.mca-cta-closed #mcaTopBtn{bottom:24px}
  body.mca-cta-closed{padding-bottom:96px}
  body.mca-cta-closed.ln-nav-hidden{padding-bottom:0}
}
/* 超窄屏(<360px): 上下课改成两个并排紧凑按钮, 减少纵向占用 */
@media (max-width:359px){
  #mcaLessonNav{padding:6px 8px; border-radius:12px}
  #mcaLessonNav .ln-count{font-size:9.5px; margin:0 0 4px}
  #mcaLessonNav .ln-sides{flex-direction:row}
  #mcaLessonNav a{padding:7px 8px; border-radius:9px}
  #mcaLessonNav .ln-label{font-size:10px; margin-bottom:2px}
  #mcaLessonNav .ln-title{font-size:11px; max-width:130px}
  body.has-lesson-nav{padding-bottom:232px}
}
@media (min-width:901px){
  /* 桌面无报名条, 课程导航保持底部 16px 默认值 */
}

/* ===== FREE VIDEO PLAYER TAIL CTA ===== */
.lp-player-tail{
  display:flex; align-items:center; justify-content:space-between; gap:10px; flex-wrap:wrap;
  margin-top:10px; padding:10px 14px; border-radius:12px;
  background:linear-gradient(180deg, rgba(212,175,55,.14) 0%, rgba(212,175,55,.05) 100%);
  border:1px solid rgba(212,175,55,.32);
  font-size:13px; color:var(--text);
}
.lp-tail-text{font-weight:700; color:#e8e2d0}
.lp-tail-cta{
  display:inline-block; padding:8px 16px; border-radius:10px;
  background:linear-gradient(180deg, #e3c25e, #c9a23d); color:#1d1505;
  font-weight:800; font-size:12.5px; text-decoration:none;
  box-shadow:0 6px 18px rgba(201,162,61,.35);
  transition:transform .18s, box-shadow .18s;
}
.lp-tail-cta:hover{transform:translateY(-1px); box-shadow:0 9px 24px rgba(201,162,61,.5)}

/* ===== FREE PDF FIRST-PAGE READ PREVIEW ===== */
.lp-read{margin-top:14px}
.lp-read-paper{
  background:linear-gradient(180deg, #faf6ec 0%, #f3ecdb 100%);
  color:#2b2418; border-radius:10px; padding:22px 24px;
  box-shadow:0 14px 40px rgba(0,0,0,.4), inset 0 0 0 1px rgba(212,175,55,.28);
  font-family:Georgia, 'Times New Roman', serif;
  max-height:330px; overflow:auto;
}
.lp-read-flag{
  display:inline-block; font-family:Inter, system-ui, sans-serif;
  font-size:10px; font-weight:800; letter-spacing:.08em; text-transform:uppercase;
  color:#1c6b37; background:rgba(46,158,91,.14); border:1px solid rgba(46,158,91,.4);
  padding:2px 10px; border-radius:999px; margin-bottom:10px;
}
.lp-read-title{
  font-family:Georgia, 'Times New Roman', serif; font-size:19px; font-weight:800;
  color:#1f1a10; margin:0 0 10px; line-height:1.3;
}
.lp-read-para{font-size:13.5px; line-height:1.75; color:#3a3120; margin:0 0 10px}
.lp-read-bullets{margin:0; padding:0 0 0 18px}
.lp-read-bullets li{font-size:13px; line-height:1.7; color:#4a3f2a; margin-bottom:5px}
.lp-read-foot{
  display:flex; justify-content:space-between; align-items:center; gap:10px; flex-wrap:wrap;
  border-top:1px solid rgba(43,36,24,.16); margin-top:14px; padding-top:12px;
}
.lp-read-page{font-size:11.5px; color:#7a6c4d; font-weight:700; letter-spacing:.04em}
.lp-read-unlock{
  display:inline-block; font-family:Inter, system-ui, sans-serif;
  padding:8px 16px; border-radius:10px; font-size:12.5px; font-weight:800;
  background:linear-gradient(180deg, #e3c25e, #c9a23d); color:#1d1505;
  text-decoration:none; box-shadow:0 6px 18px rgba(201,162,61,.35);
  transition:transform .18s, box-shadow .18s;
}
.lp-read-unlock:hover{transform:translateY(-1px); box-shadow:0 9px 24px rgba(201,162,61,.5)}

/* ===== MODULE CONTENT-SIZE SUMMARY BAR ===== */
.msum-bar{
  display:flex; align-items:center; gap:12px; flex-wrap:wrap;
  margin:18px 0 26px; padding:12px 18px; max-width:760px;
  background:linear-gradient(180deg, rgba(34,27,13,.55) 0%, rgba(17,14,8,.5) 100%);
  border:1px solid rgba(212,175,55,.3); border-radius:14px;
  backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  box-shadow:0 10px 30px rgba(0,0,0,.25), inset 0 1px 0 rgba(245,215,110,.1);
  font-size:13.5px; color:var(--text);
}
.msum-label{
  font-weight:800; color:var(--gold2,#d4af37); letter-spacing:.03em;
  text-transform:uppercase; font-size:11.5px;
}
.msum-stat{font-weight:700; color:#e8e2d0}
.msum-dot{color:rgba(212,175,55,.55); font-weight:900}

/* ===== LESSON PREVIEW MODAL (card content preview) ===== */
.lp-mini-tag{
  display:inline-flex; align-items:center; gap:4px;
  margin-top:5px; padding:1px 8px; border-radius:999px;
  font-size:10px; font-weight:700; letter-spacing:.04em;
  color:var(--gold2); border:1px solid rgba(212,175,55,.28);
  background:rgba(212,175,55,.07);
}
.lp-mini-tag .lp-mini-ico{font-size:9px; opacity:.85}
.pdf-card .lp-mini-tag{margin-top:6px}
.lp-free-badge{
  position:absolute; top:8px; right:8px;
  background:linear-gradient(135deg,var(--green,#2e9e5b),#1f7a44);
  color:#fff; font-size:10px; font-weight:800; letter-spacing:.05em;
  padding:2px 8px; border-radius:999px; box-shadow:0 2px 8px rgba(0,0,0,.25);
  z-index:2;
}
#mcaLessonPreview{position:fixed; inset:0; z-index:320; display:none}
#mcaLessonPreview.open{display:grid; place-items:center}
.lp-backdrop{position:absolute; inset:0; background:rgba(5,4,2,.78); backdrop-filter:blur(8px); -webkit-backdrop-filter:blur(8px)}
.lp-card{
  position:relative; max-width:520px; width:calc(100vw - 32px); max-height:82vh;
  overflow-y:auto;
  background:linear-gradient(180deg, rgba(38,30,14,.99) 0%, rgba(16,13,7,.99) 100%);
  border:1px solid rgba(212,175,55,.4); border-radius:18px;
  padding:24px 24px 22px;
  box-shadow:0 30px 90px rgba(0,0,0,.65), 0 0 48px rgba(212,175,55,.14);
  animation:mcaModalIn .22s ease;
}
.lp-close{
  position:absolute; top:12px; right:12px; width:32px; height:32px; border-radius:50%;
  background:rgba(255,255,255,.07); border:1px solid rgba(212,175,55,.3);
  color:var(--text-d); font-size:14px; cursor:pointer; line-height:1;
  display:grid; place-items:center; transition:background .18s, color .18s;
}
.lp-close:hover{background:rgba(230,57,70,.2); color:var(--text)}
.lp-head{display:flex; align-items:center; gap:10px; margin-bottom:12px; flex-wrap:wrap}
.lp-type{
  font-size:11px; font-weight:800; letter-spacing:.08em; text-transform:uppercase;
  color:var(--gold2); border:1px solid rgba(212,175,55,.35); border-radius:999px;
  padding:3px 12px; background:rgba(212,175,55,.08);
}
.lp-badge{font-size:11px; font-weight:800; letter-spacing:.06em; border-radius:999px; padding:3px 12px}
.lp-badge.lp-free{background:rgba(46,158,91,.18); color:#5fd38e; border:1px solid rgba(46,158,91,.45)}
.lp-badge.lp-premium{background:rgba(212,175,55,.1); color:var(--gold); border:1px solid rgba(212,175,55,.4)}
.lp-title{font-size:19px; font-weight:800; line-height:1.3; color:var(--text); margin:0 0 6px}
.lp-meta{font-size:12.5px; font-weight:600; color:var(--gold2); margin-bottom:14px; opacity:.9}.lp-desc{font-size:13.5px;line-height:1.7;color:var(--text-d);margin-bottom:20px;white-space:pre-line}
.lp-player{margin:0 0 14px}
.lp-video{width:100%;border-radius:12px;border:1px solid rgba(212,175,55,.25);background:#000;aspect-ratio:16/9;object-fit:contain;display:block}
.lp-cta{
  display:block; text-align:center;
  padding:13px 18px; border-radius:12px;
  background:linear-gradient(135deg,var(--gold),var(--gold2)); color:#17130a;
  font-weight:800; font-size:15px; letter-spacing:.01em;
  box-shadow:0 8px 26px rgba(212,175,55,.4), inset 0 1px 0 rgba(255,255,255,.55);
  transition:transform .18s ease, box-shadow .18s ease;
}
.lp-cta:hover{transform:translateY(-1px); box-shadow:0 11px 32px rgba(212,175,55,.55)}
.lp-cta.lp-cta-free{background:linear-gradient(135deg,#2e9e5b,#1f7a44); color:#fff; box-shadow:0 8px 26px rgba(46,158,91,.35)}

/* ===== STYLED MODAL (replaces blocking native alert) ===== */
#mcaModal{position:fixed; inset:0; z-index:300; display:none}
#mcaModal.open{display:grid; place-items:center}
.mca-modal-backdrop{position:absolute; inset:0; background:rgba(5,4,2,.74); backdrop-filter:blur(6px); -webkit-backdrop-filter:blur(6px)}
.mca-modal-card{
  position:relative; max-width:430px; width:calc(100vw - 32px);
  background:linear-gradient(180deg, rgba(34,27,13,.98) 0%, rgba(17,14,8,.98) 100%);
  border:1px solid rgba(212,175,55,.35);
  border-radius:18px; padding:26px 24px 22px; text-align:center;
  box-shadow:0 30px 80px rgba(0,0,0,.6), 0 0 44px rgba(212,175,55,.12);
  animation:mcaModalIn .22s ease;
}
@keyframes mcaModalIn{from{opacity:0; transform:translateY(12px) scale(.97)} to{opacity:1; transform:none}}
.mca-modal-icon{font-size:34px; line-height:1; margin-bottom:10px}
.mca-modal-title{font-size:17px; font-weight:800; color:var(--gold2); margin-bottom:8px}
.mca-modal-text{font-size:13px; color:var(--text-d); line-height:1.6; margin-bottom:18px; white-space:pre-line}
.mca-modal-actions{display:flex; gap:10px; justify-content:center; flex-wrap:wrap}
.mca-modal-actions button,.mca-modal-actions a{
  font:inherit; cursor:pointer; text-decoration:none;
  padding:10px 18px; border-radius:999px; font-size:13px; font-weight:700;
}
.mca-modal-actions .mca-modal-close{border:1px solid var(--border-a); background:transparent; color:var(--text-d); transition:all .18s}
.mca-modal-actions .mca-modal-close:hover{color:var(--text); background:rgba(255,255,255,.05)}
.mca-modal-actions .mca-modal-enroll{
  background:linear-gradient(135deg,var(--gold),var(--gold2)); color:#17130a;
  box-shadow:0 6px 20px rgba(212,175,55,.4), inset 0 1px 0 rgba(255,255,255,.5);
}
.mca-modal-actions .mca-modal-enroll:hover{transform:translateY(-1px)}

/* ===== HERO ===== */
.hero{
  position:relative;
  max-width:100%;
  margin:0 auto;
  padding:120px 24px 80px;
  text-align:center;
  overflow:hidden;
  min-height:640px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
}
/* 金黄磨砂背景层: 香槟金径向光晕 + 深金黑渐变 + 噪点颗粒 */
.hero-bg{
  position:absolute; inset:0; z-index:0;
  overflow:hidden;
  background:
    radial-gradient(ellipse 85% 65% at 50% -12%, rgba(212,175,55,0.34) 0%, rgba(212,175,55,0.10) 42%, transparent 68%),
    radial-gradient(ellipse 60% 50% at 88% 108%, rgba(190,150,60,0.22) 0%, transparent 62%),
    radial-gradient(ellipse 65% 55% at 8% 100%, rgba(200,160,70,0.16) 0%, transparent 60%),
    linear-gradient(180deg, #191206 0%, #120c04 48%, #0c0803 100%);
}
/* 磨砂噪点颗粒感 */
.hero-bg::after{
  content:"";
  position:absolute; inset:0;
  background-image:radial-gradient(rgba(232,200,120,0.055) 1px, transparent 1.4px);
  background-size:5px 5px;
  opacity:0.5;
  mix-blend-mode:overlay;
  pointer-events:none;
}
/* 金色调图做低透明纹理衬底(单张, 不再轮播) */
.hero-slide{
  position:absolute; inset:0;
  background-size:cover;
  background-position:center 32%;
  opacity:0.22;
  filter:saturate(1.15) brightness(0.9);
  animation:heroDrift 30s ease-in-out infinite alternate;
  will-change:transform;
}
.hero-slide.is-active{opacity:0.22}

@keyframes heroDrift{
  0%{transform:scale(1.04) translate(0,0)}
  100%{transform:scale(1.12) translate(-1.5%,-1%)}
}

/* 磨砂金叠加层 — 压暗保证文字可读, 但保留金色氛围 */
.hero-overlay{
  position:absolute; inset:0; z-index:1;
  background:
    linear-gradient(180deg,rgba(14,10,3,0.68) 0%,rgba(16,11,4,0.74) 48%,rgba(10,7,2,0.88) 100%),
    radial-gradient(ellipse at center,transparent 0%,rgba(20,13,4,0.32) 100%);
  pointer-events:none;
}

/* hero 内容浮在背景层之上 */
.hero > .hero-badge,
.hero > h1,
.hero > p,
.hero > .hero-stats,
.hero > .hero-cta,
.hero > .hero-scarce,
.hero > .vsl{
  position:relative; z-index:2;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 18px;border-radius:999px;
  background:var(--card);border:1px solid var(--border-a);
  font-size:13px;color:var(--gold2);font-weight:600;margin-bottom:24px;
}
.hero h1{
  font-size:clamp(36px,6vw,68px); font-weight:900; line-height:1.1; letter-spacing:-0.03em;
  margin-bottom:20px;
}
.hero h1 .accent{background:linear-gradient(135deg,var(--gold2),var(--gold),var(--red));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:clamp(16px,2.4vw,20px);color:var(--text-d);max-width:680px;margin:0 auto 36px}
.hero-pain{font-size:clamp(15px,2vw,18px);color:var(--text-d);max-width:880px;margin:0 auto 18px;line-height:1.65;text-align:left;border-left:3px solid var(--red);padding:6px 0 6px 18px;background:rgba(231,76,60,0.04)}
.hero-pain b{color:var(--text-d)}
.hero-pivot{font-size:clamp(15px,2vw,18px);color:var(--text-d);max-width:880px;margin:0 auto 28px;line-height:1.65;text-align:left;border-left:3px solid var(--gold);padding:6px 0 6px 18px;background:rgba(201,168,76,0.05)}
.hero-pivot b{color:var(--gold2)}
/* ===== HERO 成果卡 + 课程清单 (2026-09 改版) ===== */
.hero-pain .hero-rq{display:block;margin-bottom:14px}
.hero-pain .hero-rq:last-child{margin-bottom:0}
.hero-pain .hero-rq-who{display:block;margin-top:5px;font-size:12px;color:var(--text-m)}
.hero-pivot .hero-pivot-lead{display:block;margin-bottom:10px}
.hero-pivot .hero-step{display:block;padding:5px 0 5px 22px;position:relative}
.hero-pivot .hero-step::before{content:"▸";position:absolute;left:2px;top:7px;color:var(--gold2);opacity:.85;font-size:12px}
.hero-pivot .hero-step b{color:var(--gold2)}
.hero-pivot .hero-pivot-foot{display:block;margin-top:10px;padding-top:10px;border-top:1px dashed rgba(201,168,76,.28)}
.hero-scarce{font-size:13px;color:var(--text-m);margin:14px auto 0;text-align:center;max-width:720px}
.hero-trust-row{display:flex;justify-content:center;flex-wrap:wrap;gap:8px 18px;max-width:820px;margin:0 auto 22px;color:var(--text-d);font-size:12px}
.hero-trust-row span{padding:7px 11px;border:1px solid rgba(212,175,55,.16);border-radius:999px;background:rgba(212,175,55,.045)}
.mod-meta{display:flex;flex-wrap:wrap;gap:6px;margin:4px 0 10px}
.mod-meta span{font-size:11px;color:#d8c99e;padding:4px 8px;border-radius:999px;background:rgba(255,255,255,.065);border:1px solid var(--border);text-shadow:0 1px 5px rgba(0,0,0,.5)}
.hero-scarce b{color:var(--red)}
.hero-stats{display:flex;gap:40px;justify-content:center;flex-wrap:wrap;margin-bottom:36px}
.hero-stat{text-align:center}
.hero-stat .num{font-size:32px;font-weight:800;color:var(--gold2);display:block}
.hero-stat .lbl{font-size:13px;color:#d0c19d;text-transform:uppercase;letter-spacing:0.08em;text-shadow:0 1px 5px rgba(0,0,0,.55)}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ===== GAMIFICATION CTA CARDS (磨砂金底, 和 hero-card 一致) ===== */
.gctf-section{padding:40px 24px}
.gctf-grid{
  max-width:1100px;margin:0 auto;
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
}
.gctf-card{
  position:relative;
  display:block;
  padding:36px 28px;
  border:1px solid var(--border-a);
  border-radius:18px;
  text-decoration:none;color:var(--text);
  transition:border-color .2s,transform .2s,box-shadow .2s;
  background:linear-gradient(180deg,rgba(28,22,10,0.78) 0%,rgba(20,15,6,0.74) 100%);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:0 10px 40px rgba(0,0,0,.28),inset 0 1px 0 rgba(232,200,120,.10);
}
.gctf-card:hover{
  border-color:var(--gold);
  transform:translateY(-2px);
  box-shadow:0 14px 48px rgba(0,0,0,.34),inset 0 1px 0 rgba(232,200,120,.14);
}
.gctf-emoji{font-size:44px;margin-bottom:12px;line-height:1}
.gctf-title{font-size:22px;font-weight:800;margin-bottom:8px}
.gctf-desc{font-size:15px;color:var(--text-m);line-height:1.6}
.gctf-cta{margin-top:18px;font-size:14px;color:var(--gold);font-weight:700}
@media(max-width:640px){
  .gctf-grid{grid-template-columns:1fr;gap:14px}
  .gctf-card{padding:26px 22px;border-radius:14px}
  .gctf-emoji{font-size:36px}
  .gctf-title{font-size:20px}
}

/* ===== HERO CARDS (重新设计加框) ===== */
.hero-dual{
  position:relative;z-index:2;
  max-width:1100px;margin:0 auto 22px;
  display:grid;grid-template-columns:1fr 1fr;gap:20px;
  align-items:stretch;
}
.hero-dual .hero-card{margin:0;height:100%;display:flex;flex-direction:column}
.hero-dual .hero-card p{flex:1}
.hero-card{
  position:relative;z-index:2;
  max-width:880px;margin:0 auto 22px;
  padding:28px 32px 26px;
  border:1px solid var(--border-a);
  border-radius:18px;
  background:linear-gradient(180deg,rgba(28,22,10,0.78) 0%,rgba(20,15,6,0.74) 100%);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:0 10px 40px rgba(0,0,0,.28),inset 0 1px 0 rgba(232,200,120,.10);
}
.hero-card-tag{
  display:inline-block;
  font-size:11px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;
  padding:5px 12px;border-radius:999px;margin-bottom:14px;
  border:1px solid var(--border-a);background:rgba(232,200,120,.06);
  color:var(--gold2);
}
.hero-card-pain{border-left:4px solid var(--red)}
.hero-card-pain .hero-card-tag{color:var(--red);background:rgba(231,76,60,.08);border-color:rgba(231,76,60,.32)}
.hero-card-pivot{border-left:4px solid var(--gold)}
.hero-card-pivot .hero-card-tag{color:var(--gold2);background:rgba(201,168,76,.10);border-color:rgba(201,168,76,.32)}
.hero-card-stats{max-width:1100px;padding:30px 32px 28px;text-align:center;border-left:4px solid var(--gold2)}
.hero-card-stats .hero-stats{margin-bottom:24px}
.hero-card-stats .hero-cta{margin-bottom:12px}
.hero-card p{margin:0}
.hero-card .hero-trust-row{margin:18px 0 0;max-width:none}
.hero-card .hero-scarce{margin:12px auto 0}
@media(max-width:640px){
  .hero-card{padding:22px 18px;margin-bottom:18px;border-radius:14px}
  .hero-card-tag{font-size:10px;padding:4px 10px;margin-bottom:10px}
  .hero-card-pain,.hero-card-pivot,.hero-card-stats{border-left-width:3px}
  .hero-dual{grid-template-columns:1fr;gap:14px;margin-bottom:18px}
}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:var(--r);font-weight:700;font-size:15px;cursor:pointer;transition:all 0.2s;border:none;font-family:inherit}
.btn-primary{background:linear-gradient(135deg,var(--gold),var(--gold2));color:#1a1a1a}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(212,175,55,0.35)}
.btn-ghost{background:var(--card);color:var(--text);border:1px solid var(--border-a)}
.btn-ghost:hover{background:var(--card-h)}
.btn-red{background:linear-gradient(135deg,#d62834,#c1121f);color:#fff} /* 亮端压暗: 白字跨过 WCAG AA (#e63946 仅 4.17:1, #d62834 ≈4.99:1) */
.btn-red:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(230,57,70,0.35)}

/* ===== SECTION ===== */
.section{max-width:1280px;margin:0 auto;padding:60px 24px}
.section-title{text-align:center;margin-bottom:48px}
.section-title h2{font-size:clamp(28px,4vw,42px);font-weight:800;letter-spacing:-0.02em;margin-bottom:12px}
.section-title p{color:var(--text-d);max-width:600px;margin:0 auto}

/* ===== MODULE GRID ===== */
.modules{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px}
.module{
  background:var(--card); border:1px solid var(--border); border-radius:var(--r-lg);
  padding:28px; transition:all 0.3s; position:relative; overflow:hidden;
}
.module::before{
  content:''; position:absolute; top:0; left:0; right:0; height:3px;
  background:linear-gradient(90deg,var(--gold),var(--red)); transform:scaleX(0); transform-origin:left; transition:transform 0.3s;
}
.module:hover{transform:translateY(-4px);border-color:var(--border-a);background:var(--card-h);box-shadow:var(--shadow)}
.module:hover::before{transform:scaleX(1)}
.module-num{font-size:13px;color:var(--gold);font-weight:700;text-transform:uppercase;letter-spacing:0.1em;margin-bottom:8px}
.module-icon{font-size:40px;margin-bottom:16px;line-height:1}
.module h3{font-size:22px;font-weight:800;margin-bottom:8px;letter-spacing:-0.01em}
.module .sub{font-size:13px;color:#d8c99e;margin-bottom:12px;font-weight:600;text-shadow:0 1px 5px rgba(0,0,0,.55)}
.module p{color:#e0d5bb;font-size:14px;margin-bottom:20px;text-shadow:0 1px 5px rgba(0,0,0,.5)}
.module .btn{padding:10px 20px;font-size:13px}

/* ===== 模块首页定位重写 (mod-pain/promise/pts/prog) ===== */
.module .mod-pain{font-size:13px;color:#c44;background:rgba(220,80,60,.07);border-radius:8px;padding:6px 10px;margin:8px 0;font-weight:600}
.module .mod-pain b{color:#a33}
.module .mod-promise{font-size:14px;line-height:1.55;color:var(--text-d);margin:8px 0 12px}
.module .mod-pts{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}
.module .mod-pts span{font-size:11px;background:var(--gold-faint);color:var(--gold2);border:1px solid rgba(185,151,90,.22);border-radius:999px;padding:3px 9px;font-weight:600;letter-spacing:.2px}
.module .mod-prog{height:22px;background:rgba(0,0,0,.10);border:1px solid rgba(185,151,90,.14);border-radius:999px;overflow:hidden;margin-bottom:8px}
.module .mod-prog-fill{display:block;height:100%;background:linear-gradient(90deg,var(--gold2),var(--gold));border-radius:999px;color:#1a1a1a;font-size:11px;font-weight:700;padding:0 12px;line-height:21px;text-align:right}
.module .mod-scarce{font-size:11px;color:#a33;font-weight:700;margin:0 0 14px;letter-spacing:.2px}
.module .mod-cost{display:block;font-size:12px;color:#944;font-weight:500;line-height:1.5;margin-top:4px;opacity:.95}

/* ===== FEATURE ===== */
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.feature{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:24px;text-align:center}
.feature .ico{font-size:32px;margin-bottom:12px}
.feature h4{font-size:16px;font-weight:700;margin-bottom:6px}
.feature p{font-size:13px;color:var(--text-d)}

/* ===== 持续更新横条 ===== */
.features-update-bar{
  position:relative;
  max-width:880px;margin:24px auto 0;
  display:flex;align-items:center;gap:16px;
  padding:18px 24px;
  border:1px solid var(--border-a);
  border-left:4px solid var(--gold);
  border-radius:14px;
  background:linear-gradient(180deg,rgba(28,22,10,0.78) 0%,rgba(20,15,6,0.74) 100%);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:0 8px 28px rgba(0,0,0,.22),inset 0 1px 0 rgba(232,200,120,.10);
}
.features-update-bar .update-pulse{
  flex:0 0 auto;
  width:10px;height:10px;border-radius:50%;
  background:var(--gold2);
  box-shadow:0 0 0 0 rgba(232,200,120,.6);
  animation:featuresPulse 1.8s ease-out infinite;
}
.features-update-bar .update-text{display:flex;flex-direction:column;gap:3px}
.features-update-bar .update-text b{
  font-size:15px;font-weight:800;color:var(--gold2);
  display:flex;align-items:center;gap:8px;
}
.features-update-bar .update-text span{
  font-size:13px;color:var(--text-d);line-height:1.55;
}
@keyframes featuresPulse{
  0%{box-shadow:0 0 0 0 rgba(232,200,120,.55)}
  70%{box-shadow:0 0 0 12px rgba(232,200,120,0)}
  100%{box-shadow:0 0 0 0 rgba(232,200,120,0)}
}
@media(max-width:640px){
  .features-update-bar{padding:14px 18px;gap:12px;border-radius:12px}
  .features-update-bar .update-text b{font-size:14px}
  .features-update-bar .update-text span{font-size:12px}
}

/* ===== TESTI ===== */
.testi{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}
.testi-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:24px}
.testi-card .stars{color:var(--gold2);font-size:16px;margin-bottom:10px;letter-spacing:2px}
.testi-card .quote{font-size:14px;color:var(--text-d);margin-bottom:14px;font-style:italic}
.testi-card .who{display:flex;align-items:center;gap:12px}
.testi-card .avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--gold),var(--red));display:grid;place-items:center;color:#1a1a1a;font-weight:700}
.testi-card .who-info .name{font-weight:700;font-size:14px}
.testi-card .who-info .meta{font-size:12px;color:var(--text-m)}

/* ===== PRICING ===== */
.pricing{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;max-width:1280px;margin:0 auto}
.price{background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);padding:32px 28px;text-align:center;position:relative}
.price.featured{border-color:rgba(185,151,90,.4);background:linear-gradient(165deg,rgba(185,151,90,.09),rgba(255,255,255,.02))}
.price .tag{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--gold),var(--gold2));color:#1a1a1a;font-size:12px;font-weight:700;padding:4px 14px;border-radius:999px}
.price h3{font-size:20px;font-weight:800;margin-bottom:8px}
.price .price-amt{font-size:44px;font-weight:900;margin:16px 0;color:var(--gold2)}
.price .price-amt small{font-size:14px;color:var(--text-m);font-weight:500}
.price ul{list-style:none;margin:20px 0;text-align:left}
.price ul li{padding:8px 0;font-size:14px;color:var(--text-d);border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px}
.price ul li::before{content:'✓';color:var(--green);font-weight:700}
.price ul li:last-child{border-bottom:none}

/* ===== FAQ ===== */
.faq{max-width:1280px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:var(--r);margin-bottom:12px;overflow:hidden}
.faq-q{padding:18px 22px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:15px}
.faq-q::after{content:'+';color:var(--gold);font-size:22px;transition:transform 0.2s}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{padding:0 22px;max-height:0;overflow:hidden;transition:all 0.3s;color:var(--text-d);font-size:14px}
.faq-item.open .faq-a{padding:0 22px 18px;max-height:300px}

/* ===== FOOTER ===== */
.footer{position:relative;margin-top:84px;padding:64px 24px 24px;background:linear-gradient(180deg,rgba(255,255,255,.025),rgba(255,255,255,.01));border-top:1px solid var(--gold-faint);overflow:hidden}
.footer::before{content:'';position:absolute;top:-180px;left:50%;width:680px;height:300px;transform:translateX(-50%);background:radial-gradient(ellipse,rgba(185,151,90,.07),transparent 68%);pointer-events:none;z-index:0}
/* 页脚背景图层: 金色调图 + 深金暗化, 保证导航文字可读 */
.footer::after{
  content:'';
  position:absolute; inset:0; z-index:0;
  background:
    linear-gradient(180deg,rgba(12,9,4,.88) 0%,rgba(14,10,4,.80) 45%,rgba(10,7,2,.93) 100%),
    url('../img/luxury/lux_mansion_evening_pool.jpg') center 30% / cover no-repeat;
  pointer-events:none;
}
.footer-inner{position:relative;z-index:1;max-width:1280px;margin:0 auto;display:grid;grid-template-columns:minmax(250px,1.8fr) repeat(3,minmax(140px,1fr));gap:42px 56px}
.footer-inner:not(:has(>div:nth-child(5))){grid-template-columns:minmax(250px,1.8fr) repeat(3,minmax(140px,1fr))}
.footer>p{position:relative;z-index:1;max-width:1280px;margin:0 auto;text-align:center;color:#b5aa92;font-size:12px;line-height:1.8}.footer>p a{display:inline;padding:0 3px}
.footer-inner>div:first-child{padding-right:20px}
.footer h4{font-size:12px;font-weight:800;margin-bottom:16px;color:var(--gold);text-transform:uppercase;letter-spacing:.13em}
.footer-inner>div:first-child h4{display:flex;align-items:center;gap:10px;color:var(--text);font-size:18px;letter-spacing:-.02em;text-transform:none;margin-bottom:10px}
.footer-inner>div:first-child h4::before{content:'M';display:grid;place-items:center;width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--gold),var(--red));color:#1a1a1a;font-size:16px;font-weight:900}
.footer p{color:#b5aa92;font-size:13px;line-height:1.7;max-width:280px}
.footer a{display:block;width:max-content;max-width:100%;font-size:13px;color:#b5aa92;padding:5px 0;transition:color .2s,transform .2s;overflow-wrap:anywhere}
.footer-inner>div{min-width:0}
.footer a:hover{color:var(--gold2);transform:translateX(3px)}
.footer .copy{grid-column:1/-1;text-align:center;padding-top:22px;border-top:1px solid var(--border);margin-top:4px;font-size:12px;color:#bfb18f;line-height:1.8}
.footer .copy a{display:inline;color:var(--text-m);padding:0 2px;overflow-wrap:anywhere}
.footer .copy a:hover{transform:none;color:var(--gold2)}

/* ===== PAGE (module detail) ===== */
.page{max-width:960px;margin:0 auto;padding:40px 24px}
.page h1{font-size:clamp(28px,4vw,44px);font-weight:900;margin-bottom:8px;letter-spacing:-0.02em}
.page .lead{font-size:18px;color:var(--text-d);margin-bottom:32px}
.page h2{font-size:24px;font-weight:800;margin:32px 0 12px;letter-spacing:-0.01em}
.page h3{font-size:18px;font-weight:700;margin:24px 0 8px;color:var(--gold)}
.page p{margin-bottom:16px;color:var(--text-d)}
.page ul,.page ol{margin:0 0 16px 24px;color:var(--text-d)}

/* ===== 真教学正文区块 (cat-deep) ===== */
.teach-block{margin:24px 0 8px;display:flex;flex-direction:column;gap:18px}
.cat-deep{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:24px 28px;box-shadow:0 1px 0 rgba(0,0,0,0.02)}
.cat-deep h3{font-size:18px;font-weight:800;color:var(--gold2);margin:0 0 14px;letter-spacing:-0.01em;padding-bottom:10px;border-bottom:2px solid var(--gold);display:inline-block}
.cat-deep p{font-size:15px;line-height:1.7;margin:0 0 14px;color:var(--text-d)}
.cat-deep p b{color:var(--text);font-weight:800}
.cat-deep p i{color:var(--text)}
.cat-deep p:last-child{margin-bottom:0}
@media(max-width:640px){.cat-deep{padding:18px 16px}.cat-deep p{font-size:14px;line-height:1.6}}
@media(max-width:640px){
  .hero{padding:82px 16px 56px;min-height:0}
  .hero-pain,.hero-pivot{text-align:left;padding-left:12px;font-size:14px}
  .hero-stats{gap:18px 24px;margin-bottom:24px}
  .hero-stat .num{font-size:26px}
  .hero-stat .lbl{font-size:10px}
  .hero-trust-row{font-size:11px;gap:6px;margin-bottom:18px}
  .hero-trust-row span{padding:6px 8px}
  .modules{grid-template-columns:1fr;gap:14px}
  .module{padding:22px 18px}
  .module h3{font-size:20px}
  .module .mod-pain{font-size:12px}
}
@media(max-width:420px){.footer-inner{grid-template-columns:1fr}.footer-inner>div:first-child{grid-column:auto}}




.page ul,.page ol{margin:0 0 16px 24px;color:var(--text-d)}
.page li{margin-bottom:8px}
.back-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--text-d);margin-bottom:24px}
.back-link:hover{color:var(--gold2)}

/* ===== VSL 首屏视频 ===== */
.vsl{position:relative;max-width:680px;margin:32px auto 0;border-radius:16px;overflow:hidden;box-shadow:0 12px 36px rgba(0,0,0,.22);border:1px solid var(--border)}
.vsl video{display:block;width:100%;aspect-ratio:16/9;background:#0d0d0d;cursor:pointer}
.vsl-badge{position:absolute;left:14px;top:14px;background:rgba(0,0,0,.72);color:#fff;font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;letter-spacing:.3px;pointer-events:none}

/* ===== AI TUTOR 聊天窗 ===== */
.ai-tutor{position:fixed;bottom:20px;right:20px;z-index:999;font-family:inherit}
.ai-tutor-toggle{display:inline-flex;align-items:center;gap:8px;background:var(--gold2);color:#1a1a1a;border:none;border-radius:999px;padding:12px 20px;font-size:14px;font-weight:800;cursor:pointer;box-shadow:0 6px 20px rgba(0,0,0,.18);transition:transform .15s}
.ai-tutor-toggle:hover{transform:translateY(-2px)}
.ai-tutor-toggle svg{flex:0 0 auto}
.ai-tutor-panel{position:fixed;bottom:72px;right:20px;width:340px;max-width:calc(100vw - 40px);height:480px;max-height:calc(100vh - 120px);background:var(--card);border:1px solid var(--border);border-radius:16px;box-shadow:0 12px 40px rgba(0,0,0,.22);display:flex;flex-direction:column;overflow:hidden;animation:aiPop .18s ease}
@keyframes aiPop{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.ai-tutor-head{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--gold2);color:#1a1a1a}
.ai-tutor-head-actions{display:flex;align-items:center;gap:6px}
.ai-tutor-id{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:800}
.ai-tutor-drill{background:transparent;border:1.5px solid #1a1a1a;color:#1a1a1a;border-radius:999px;padding:4px 12px;font-size:12px;font-weight:800;cursor:pointer;transition:all .15s;font-family:inherit}
.ai-tutor-drill:hover{background:#1a1a1a;color:var(--gold2)}
.ai-tutor-drill.on{background:#1a1a1a;color:var(--gold2);border-color:#1a1a1a}
.ai-tutor-drill.on:hover{opacity:.88}
.ai-tutor-history-btn{background:transparent;border:1.5px solid #1a1a1a;color:#1a1a1a;border-radius:999px;padding:4px 10px;font-size:12px;font-weight:800;cursor:pointer;transition:all .15s;font-family:inherit}
.ai-tutor-history-btn:hover{background:#1a1a1a;color:var(--gold2)}
.ai-tutor-history-btn[aria-pressed="true"]{background:#1a1a1a;color:var(--gold2);border-color:#1a1a1a}

/* 话术训练历史面板 */
.ai-tutor-history{background:var(--bg);border-top:1px solid var(--border);max-height:240px;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:8px}
.ai-tutor-history[hidden]{display:none}  .ai-tutor-history-empty{font-size:12px;color:var(--text-m);padding:8px;text-align:center}
  .ai-tutor-history-top{display:flex;justify-content:flex-end;margin-bottom:6px}
  .ai-tutor-history-clear{background:transparent;border:1.5px solid rgba(220,80,60,.55);color:#e07b6a;border-radius:999px;padding:3px 12px;font-size:11.5px;font-weight:800;cursor:pointer;transition:all .15s;font-family:inherit}
  .ai-tutor-history-clear:hover{background:rgba(220,80,60,.12)}
.ai-tutor-his-item{border:1px solid var(--border);border-radius:10px;background:var(--card);overflow:hidden}
.ai-tutor-his-item summary{display:flex;align-items:center;justify-content:space-between;gap:8px;cursor:pointer;padding:8px 10px;font-size:12px;font-weight:700;list-style:none}
.ai-tutor-his-item summary::-webkit-details-marker{display:none}
.ai-tutor-his-q{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ai-tutor-his-when{flex:0 0 auto;font-size:10px;font-weight:500;color:var(--text-m)}
.ai-tutor-his-row{border-top:1px solid var(--border-a);padding:8px 10px}
.ai-tutor-his-script{font-size:12px;color:var(--gold2,#e8c766);font-weight:600;line-height:1.5}
.ai-tutor-his-logic{font-size:11px;color:var(--text-m,#b9b9b9);margin-top:4px;line-height:1.5}
.ai-tutor-history::-webkit-scrollbar{width:6px}
.ai-tutor-history::-webkit-scrollbar-thumb{background:var(--border-a,#444);border-radius:999px}
.ai-tutor-dot{width:8px;height:8px;border-radius:50%;background:#1a1a1a;animation:aiPulse 1.6s infinite}
@keyframes aiPulse{0%,100%{opacity:1}50%{opacity:.3}}
.ai-tutor-x{background:transparent;border:none;color:#1a1a1a;font-size:22px;cursor:pointer;line-height:1;padding:0}
.ai-tutor-body{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:10px;background:var(--bg)}
.ai-tutor-msg{max-width:88%;padding:10px 14px;border-radius:14px;font-size:14px;line-height:1.5;word-wrap:break-word}
.ai-tutor-script{display:flex;align-items:flex-start;gap:8px;margin:6px 0}
.ai-tutor-script-text{flex:1;min-width:0;word-wrap:break-word}
.ai-tutor-copy{flex:0 0 auto;background:var(--card);border:1px solid var(--border-a);color:var(--gold2);border-radius:8px;padding:3px 9px;font-size:11px;font-weight:700;cursor:pointer;transition:all .15s;font-family:inherit;line-height:1.4;margin-top:1px}
.ai-tutor-copy:hover{color:#1a1a1a;background:var(--gold2);border-color:var(--gold2)}

/* 训练模式: 话术行高亮(鼓励复制去实战) vs 逻辑: 行弱化(仅供参考) */
.ai-tutor-script{background:rgba(212,175,55,.09);border-left:3px solid var(--gold,#d4af37);border-radius:6px;padding:5px 8px}
.ai-tutor-script .ai-tutor-script-text{color:var(--gold2,#e8c766);font-weight:600}
.ai-tutor-script.is-logic{background:transparent;border-left:2px solid var(--border-a,#444);padding:3px 8px;opacity:.72}
.ai-tutor-script.is-logic .ai-tutor-script-text{color:var(--text-m,#b9b9b9);font-weight:400;font-size:12px}
.ai-tutor-script.is-logic .ai-tutor-copy{background:transparent;border-color:var(--border-a,#444);color:var(--text-m,#b9b9b9);font-weight:500;padding:2px 7px;font-size:10.5px}
.ai-tutor-script.is-logic .ai-tutor-copy:hover{background:var(--border-a,#444);color:#1a1a1a;border-color:transparent}

/* ===== 复制轻提示 toast (全站统一) ===== */
.mca-copy-toast{position:fixed;left:50%;bottom:76px;transform:translate(-50%,12px);z-index:9999;background:linear-gradient(135deg,var(--gold2,#e8c766),var(--gold,#d4af37));color:#1a1a1a;padding:9px 18px;border-radius:999px;font-size:13px;font-weight:700;box-shadow:0 8px 24px rgba(0,0,0,.35);opacity:0;transition:opacity .25s ease,transform .25s ease;pointer-events:none;max-width:92vw;text-align:center}
.mca-copy-toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:640px){.mca-copy-toast{bottom:64px}}
/* hide the CTA bar so the toast isn't covered on auth pages */
.auth-page .mca-copy-toast{bottom:24px}

.ai-tutor-msg.ai{background:var(--card);border:1px solid var(--border);border-bottom-left-radius:4px;align-self:flex-start}
.ai-tutor-msg.me{background:var(--gold2);color:#1a1a1a;border-bottom-right-radius:4px;align-self:flex-end;font-weight:600}
.ai-tutor-suggest{display:block;margin-top:8px;font-size:12px;color:var(--text-m);font-weight:400}
.ai-tutor-typing{display:flex;gap:4px;padding:14px}
.ai-tutor-typing span{width:7px;height:7px;border-radius:50%;background:var(--text-m);animation:aiType 1.2s infinite}
.ai-tutor-typing span:nth-child(2){animation-delay:.2s}
.ai-tutor-typing span:nth-child(3){animation-delay:.4s}
@keyframes aiType{0%,60%,100%{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}
.ai-tutor-form{display:flex;gap:8px;padding:10px;border-top:1px solid var(--border);background:var(--card)}
.ai-tutor-form input{flex:1;border:1px solid var(--border);border-radius:10px;padding:10px 12px;font-size:14px;background:var(--bg);color:var(--text)}
.ai-tutor-form input:focus{outline:none;border-color:var(--gold2)}
.ai-tutor-form button{background:var(--gold2);color:#1a1a1a;border:none;border-radius:10px;width:40px;height:42px;cursor:pointer;display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.ai-tutor-form button:hover{opacity:.88}
.ai-tutor-foot{padding:6px 12px;font-size:11px;color:var(--text-m);text-align:center;background:var(--card);border-top:1px solid var(--border)}
.ai-tutor-unavailable{padding:14px 16px;border:1px solid var(--border);border-radius:12px;background:var(--card);color:var(--text-d);font-size:13px}
@media(max-width:640px){.ai-tutor{bottom:14px;right:14px}.ai-tutor-panel{bottom:60px;right:14px;width:calc(100vw - 28px);height:calc(100vh - 100px)}}

/* 推荐问题快捷按钮 */
.ai-tutor-quick{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.ai-tutor-q{background:var(--card);border:1px solid var(--border-a);color:var(--text-d);border-radius:999px;padding:7px 13px;font-size:12px;cursor:pointer;transition:all .15s;font-family:inherit}
.ai-tutor-q:hover{color:var(--text);border-color:var(--gold2);background:rgba(212,175,55,.1)}

/* inline 模式(coach.html 内嵌大面板): 覆盖 fixed 定位 */
.ai-tutor-inline{position:static !important;bottom:auto;right:auto;z-index:auto;max-width:880px;margin:0 auto;width:100%}
.ai-tutor-inline .ai-tutor-toggle{width:100%;justify-content:center;padding:16px 20px;font-size:15px}
.ai-tutor-inline .ai-tutor-panel{position:static;bottom:auto;right:auto;width:100%;height:560px;max-height:70vh;animation:none;border-radius:16px}
.ai-tutor-inline .ai-tutor-body{max-height:none}
@media(max-width:640px){.ai-tutor-inline .ai-tutor-panel{width:100%;height:70vh}}

/* ===== 客户见证卡 (testimonials) ===== */
.t-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:20px;display:flex;flex-direction:column;gap:10px;box-shadow:0 1px 0 rgba(0,0,0,.02);transition:transform .15s,box-shadow .15s}
.t-card:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(0,0,0,.12)}
.t-head{display:flex;align-items:center;gap:12px}
.t-avatar{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:14px;letter-spacing:.5px;flex:0 0 auto}
.t-name{font-weight:800;font-size:15px;color:var(--text)}
.t-meta{font-size:12px;color:var(--text-m);margin-top:2px}
.t-before,.t-after{font-size:13px;border-radius:10px;padding:8px 12px}
.t-before{background:rgba(220,80,60,.06);color:var(--text-d);border-left:3px solid #d44}
.t-after{background:rgba(60,160,90,.08);color:var(--text);border-left:3px solid var(--gold2);font-weight:600}
.t-card p{font-size:14px;line-height:1.6;color:var(--text-d);margin:0;font-style:italic}
.t-rating{font-size:13px;color:var(--gold2);letter-spacing:1px;display:flex;align-items:center;gap:8px;justify-content:space-between}
.t-verified{color:var(--text-m);font-size:11px;letter-spacing:0}

/* ===== SCRIPT LIBRARY ===== */
.script-filter{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}
.script-filter button{padding:8px 16px;border-radius:999px;background:var(--card);border:1px solid var(--border);color:var(--text-d);font-size:13px;cursor:pointer;transition:all 0.2s;font-family:inherit}
.script-filter button.active,.script-filter button:hover{background:var(--gold);color:#1a1a1a;border-color:var(--gold)}
.script-search{width:100%;padding:14px 18px;border-radius:var(--r);background:var(--card);border:1px solid var(--border);color:var(--text);font-size:15px;margin-bottom:20px;font-family:inherit}
.script-search:focus{outline:none;border-color:var(--gold)}
.script-list{display:grid;gap:12px}
.script-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:18px 20px;transition:all 0.2s}
.script-card:hover{border-color:var(--border-a);background:var(--card-h)}  .script-card .tag{display:inline-block;font-size:11px;font-weight:700;padding:3px 10px;border-radius:999px;background:rgba(212,175,55,0.15);color:var(--gold2);margin-bottom:8px;text-transform:uppercase;letter-spacing:0.05em}
.script-filter button{position:relative}.script-filter .sc-badge{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;padding:0 6px;margin-left:6px;border-radius:999px;background:rgba(212,175,55,.18);color:var(--gold2,#d4af37);font-size:11px;font-weight:800;line-height:1}
.script-filter button.active .sc-badge{background:rgba(10,10,10,.22);color:#1a1a1a}
.sc-copy{font-family:inherit;font-size:11.5px;font-weight:700;padding:5px 12px;border-radius:999px;background:var(--card);border:1px solid var(--gold,#d4af37);color:var(--gold2,#d4af37);cursor:pointer;transition:all .18s;white-space:nowrap}
.sc-copy:hover{background:linear-gradient(135deg,var(--gold,#d4af37),var(--gold2,#e8c766));color:#1a1a1a;border-color:transparent}
/* 「问教练这条」: 科普两栏小按钮, 与 sc-copy 等宽迷你但用实心金色区分(点击即去 AI 现场拆解) */
.sc-ask-coach{font-family:inherit;font-size:11px;font-weight:700;padding:4px 10px;border-radius:999px;background:linear-gradient(135deg,var(--gold,#d4af37),var(--gold2,#e8c766));border:1px solid transparent;color:#1a1a1a;cursor:pointer;transition:all .18s;white-space:nowrap;line-height:1;display:inline-flex;align-items:center;gap:4px}
.sc-ask-coach:hover{box-shadow:0 2px 10px rgba(212,175,55,.45);transform:translateY(-1px)}
.sc-ask-coach:active{transform:translateY(0)}
/* 学习清单: 收藏/已背熟 */
.sc-marks-bar{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin:14px 0;padding:12px 18px;background:linear-gradient(135deg,rgba(212,175,55,.12),rgba(212,175,55,.03));border:1px solid var(--border-a);border-radius:var(--r);font-size:13px;color:var(--text-d)}
.sc-marks-bar b{color:var(--gold2,#d4af37)}
.sc-marks-bar .sc-flash-btn.ghost{font-size:12px;padding:6px 14px}
.sc-marks-bar .sc-flash-btn.ghost.on{background:var(--gold2,#d4af37);color:#1a1a1a;border-color:transparent}
.sc-markbar{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:8px}
.sc-title-tag{display:inline-block;font-size:11px;font-weight:700;padding:3px 10px;border-radius:999px;background:rgba(212,175,55,0.15);color:var(--gold2);text-transform:uppercase;letter-spacing:.05em;border:none;font-family:inherit}
.sc-title-actions{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.sc-mark{font-family:inherit;font-size:11px;font-weight:700;padding:4px 10px;border-radius:999px;background:var(--card);border:1px solid var(--border);color:var(--text-m);cursor:pointer;transition:all .18s;display:inline-flex;align-items:center;gap:4px;white-space:nowrap}
.sc-mark:hover{border-color:var(--gold,#d4af37);color:var(--text)}
.sc-mark .sc-fav-icon{font-size:13px;line-height:1}
.sc-mark[aria-pressed="true"]{background:linear-gradient(135deg,var(--gold,#d4af37),var(--gold2,#e8c766));color:#1a1a1a;border-color:transparent}
.sc-mark[aria-pressed="true"] .sc-fav-icon{color:#1a1a1a}
.sc-mark .skip-i18n{pointer-events:none}
/* 收藏夹排序(个人学习热单): 拖拽手柄 + 上移/下移 */
.sc-sort-hint{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-m);border:1px dashed var(--border-a);border-radius:var(--r);padding:8px 14px;margin:10px 0}
.sc-drag{color:var(--text-m);cursor:grab;font-size:14px;line-height:1;user-select:none;padding:0 2px}
.sc-reorder{font-family:inherit;font-size:10px;font-weight:800;padding:4px 8px;border-radius:8px;background:var(--card);border:1px solid var(--border);color:var(--text-m);cursor:pointer;transition:all .15s;line-height:1}
.sc-reorder:hover{color:var(--gold,#d4af37);border-color:var(--gold,#d4af37)}
.script-card[draggable="true"]{cursor:grab}
.script-card.sc-dragging{opacity:.4;border-style:dashed}
.script-card.sc-drop-target{border-color:var(--gold2,#e8c766);box-shadow:0 0 0 2px rgba(212,175,55,.35)}
/* 话术闪卡训练 */
.sc-flash{margin:26px 0;padding:20px;background:linear-gradient(135deg,rgba(212,175,55,.08),rgba(212,175,55,.02));border:1px solid var(--border-a);border-radius:var(--r-lg)}
.sc-flash-head{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.sc-flash-title{font-size:14px;font-weight:800;color:var(--gold2,#d4af37);letter-spacing:.2px}
.sc-flash-checkin{font-size:12px;font-weight:700;color:var(--text-m);border:1px dashed var(--border-a);border-radius:40px;padding:4px 12px;align-self:center;white-space:nowrap}  .sc-flash-checkin.lit{color:var(--gold,#d4af37);border-color:rgba(212,175,55,.5);background:rgba(212,175,55,.06)}
  .sc-flash-mastery{font-size:12px;font-weight:700;color:var(--gold,#d4af37);border:1px solid rgba(212,175,55,.4);background:rgba(212,175,55,.07);border-radius:40px;padding:4px 12px;align-self:center;white-space:nowrap}
  .sc-due-queue{border:1px dashed rgba(212,175,55,.45);background:rgba(212,175,55,.05);border-radius:16px;padding:10px 12px;margin-bottom:12px}
  .sc-due-queue-head{font-size:12px;font-weight:800;color:var(--gold,#d4af37);margin-bottom:8px;display:flex;align-items:center;gap:6px}
  .sc-due-queue-head b{background:var(--gold2,#e8c766);color:#1a1a1a;border-radius:40px;padding:1px 9px;font-size:11px}
  .sc-due-list{display:flex;flex-direction:column;gap:6px;max-height:170px;overflow-y:auto}
  .sc-due-item{display:flex;align-items:center;gap:10px;width:100%;text-align:left;background:var(--card,#171717);border:1px solid var(--border,#2c2c2c);border-radius:12px;padding:8px 12px;cursor:pointer;font-family:inherit;transition:all .15s}
  .sc-due-item:hover{border-color:var(--gold,#d4af37);transform:translateX(2px)}
  .sc-due-tag{font-size:10.5px;font-weight:800;color:var(--gold,#d4af37);background:rgba(212,175,55,.1);border:1px solid rgba(212,175,55,.3);border-radius:30px;padding:2px 9px;white-space:nowrap;text-transform:capitalize}
  .sc-due-opener{font-size:13px;color:var(--text-d,#f0e6d2);flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .sc-due-when{font-size:11.5px;font-weight:700;color:#5fd38e;white-space:nowrap}
  .sc-due-when.over{color:#ff7a6e}
  .sc-flash-btn.ghost.on{background:var(--gold2,#e8c766);color:#1a1a1a;border-color:transparent}
  .sc-flash-btn.ghost:not(.on){opacity:.85}
  .sc-flash-btn.ghost.on:hover{transform:translateY(-1px)}

/* 最近 7 天打卡小条形图 (话术库页面顶部) */
.sc-week{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:14px 16px;margin:0 0 18px;max-width:720px}
.sc-week-title{font-size:13px;font-weight:800;color:var(--text);margin-bottom:12px}
.sc-week-bars{display:flex;align-items:flex-end;gap:10px;min-height:64px}
.sc-week-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;min-width:0}
.sc-week-n{font-size:12px;font-weight:800;color:var(--text-m);height:16px;line-height:16px}
.sc-week-bar{width:100%;max-width:30px;background:linear-gradient(180deg,var(--gold2,#e8c766),var(--gold,#d4af37));border-radius:5px 5px 2px 2px;opacity:.85;transition:height .25s}
.sc-week-col.today .sc-week-bar{opacity:1;box-shadow:0 0 10px rgba(212,175,55,.45)}
.sc-week-d{font-size:10.5px;color:var(--text-m);white-space:nowrap}
.sc-week-col.today .sc-week-d{color:var(--gold,#d4af37);font-weight:800}
.sc-flash-sr{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-top:14px;padding-top:12px;border-top:1px dashed var(--border-a)}
.sc-sr-label{font-size:12px;color:var(--text-m);font-weight:600}
.sc-sr-stars{display:inline-flex;gap:6px}
.sc-sr-star{background:transparent;border:1px solid var(--border-a);border-radius:40px;padding:4px 12px;font-size:12px;font-weight:700;color:var(--text-m);cursor:pointer;transition:.15s}
.sc-sr-star:hover{border-color:var(--gold,#d4af37);color:var(--gold,#d4af37)}
.sc-sr-star.on{background:rgba(212,175,55,.15);border-color:var(--gold,#d4af37);color:var(--gold,#d4af37)}
.sc-flash-mastered{background:rgba(46,158,91,.14);border:1px solid rgba(46,158,91,.5);color:#5fd38e;border-radius:40px;padding:5px 14px;font-size:12px;font-weight:700;margin-top:12px;display:inline-block}
.sc-flash-btn-row{display:flex;gap:8px;flex-wrap:wrap}
.sc-flash-btn{font-family:inherit;font-size:12.5px;font-weight:700;padding:8px 16px;border-radius:999px;cursor:pointer;transition:all .18s;background:var(--card);border:1px solid var(--border);color:var(--text-d)}
.sc-flash-btn.primary{background:linear-gradient(135deg,var(--gold,#d4af37),var(--gold2,#e8c766));color:#1a1a1a;border-color:transparent}
.sc-flash-btn.ghost{border-color:var(--border-a);color:var(--text-m)}
.sc-flash-btn:hover{transform:translateY(-1px)}
.sc-flash-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:26px 24px;min-height:150px;display:flex;flex-direction:column;justify-content:space-between;gap:18px}
.sc-flash-tag{display:inline-block;font-size:11px;font-weight:700;padding:3px 10px;border-radius:999px;background:rgba(212,175,55,0.15);color:var(--gold2);text-transform:uppercase;letter-spacing:.05em;align-self:flex-start}
.sc-flash-opener{font-size:18px;font-weight:700;color:var(--text);line-height:1.45}
.sc-flash-toggle{font-family:inherit;font-size:12.5px;font-weight:700;padding:8px 16px;border-radius:999px;cursor:pointer;transition:all .18s;align-self:flex-start;background:var(--card);border:1px solid var(--gold,#d4af37);color:var(--gold2,#d4af37)}
.sc-flash-toggle:hover{background:linear-gradient(135deg,var(--gold,#d4af37),var(--gold2,#e8c766));color:#1a1a1a;border-color:transparent}
.sc-flash-back{background:var(--bg);border-radius:var(--r);padding:20px 18px;border:1px dashed var(--border-a)}
.sc-flash-follow{font-size:14px;color:var(--text-d);font-style:italic;margin-bottom:8px}
.sc-flash-when{font-size:12.5px;color:var(--text-m)}
.sc-flash-meta{font-size:12px;color:var(--text-m);margin-top:12px;min-height:16px}
.script-card .opener{font-size:15px;font-weight:600;margin-bottom:6px;color:var(--text)}
.script-card .follow{font-size:13px;color:var(--text-d);font-style:italic}
.script-card .when{font-size:12px;color:var(--text-m);margin-top:8px}

/* ===== CTA BANNER ===== */
.cta-banner{background:linear-gradient(165deg, rgba(194,161,96,.14) 0%, rgba(25,22,17,.34) 100%);border:1px solid var(--gold-border);border-radius:var(--r-lg);padding:40px;text-align:center;margin:40px 0;backdrop-filter:blur(7px);-webkit-backdrop-filter:blur(7px);box-shadow:0 4px 18px rgba(0,0,0,.16)}
.cta-banner h3{font-size:28px;font-weight:800;margin-bottom:8px}
.cta-banner p{color:var(--text-d);margin-bottom:20px}

/* ===== RESPONSIVE ===== */
@media (max-width:900px){
  .nav-links{display:none;position:absolute;top:calc(100% + 6px);left:12px;right:12px;background:linear-gradient(180deg, rgba(26,21,11,.80) 0%, rgba(13,10,6,.86) 100%);backdrop-filter:blur(24px) saturate(1.6);-webkit-backdrop-filter:blur(24px) saturate(1.6);border:1px solid var(--gold-border);border-radius:16px;padding:10px;flex-direction:column;align-items:stretch;gap:2px;box-shadow:0 24px 60px rgba(0,0,0,.55), 0 0 30px rgba(185,151,90,.08);max-height:calc(100vh - 88px);overflow-y:auto}
  .nav-links.show{display:flex;animation:navDrop .22s ease}
  @keyframes navDrop{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}
  .nav-links > a{font-size:14px;padding:11px 14px;border-radius:10px;white-space:normal;overflow-wrap:anywhere}
  .nav-more-toggle{white-space:normal;overflow-wrap:anywhere}
  .nav-links > a::after{display:none}
  .nav-links > a:hover{background:rgba(255,255,255,.06)}
  .nav-cta{margin:6px 0 2px;text-align:center}
  .nav-more{display:block}
  .nav-more-toggle{width:100%;justify-content:space-between;padding:11px 14px;font-size:14px}
  .nav-more-menu{position:static;opacity:1;visibility:visible;transform:none;display:none;box-shadow:none;border:none;background:rgba(255,255,255,.03);padding:4px;margin:2px 0 4px}
  .nav-more.open .nav-more-menu{display:grid}
  /* 移动端当前页高亮: 底部下划线被隐藏, 改用金色背景+左边条 */
  .nav-links > a.active,.nav-links > a[aria-current="page"]{
    color:var(--gold2); background:rgba(212,175,55,.12);
    border-left:3px solid var(--gold); border-radius:8px;
  }
  .nav-more-menu a.active,.nav-more-menu a[aria-current="page"]{
    color:var(--gold2); background:rgba(212,175,55,.14);
    border-left:3px solid var(--gold); border-radius:8px;
  }
  .nav-toggle{display:inline-flex}
  /* 移动端导航更高(实测约 69-80px), 锚点落点需要更大间隙 */
  [id],h1{scroll-margin-top:104px}
  #mcaAccountControls{margin-left:0;padding:2px 4px}
  #mcaAccountControls a,#mcaAccountControls button{flex:1;text-align:center}
}
@media (max-width:768px){
  .footer{padding:48px 20px 20px;margin-top:56px}
  .footer-inner{grid-template-columns:1fr 1fr;gap:30px 24px}
  .footer-inner>div:first-child{grid-column:1/-1;padding-right:0}
  .footer-inner>div:first-child p{max-width:360px}
  .footer .copy{margin-top:0}
  .hero-stats{gap:24px}
}

/* ===== VIDEO GATE (paid lock) ===== */
.video-gate{margin:4px 0 18px}
.module-video{width:100%;max-height:420px;border-radius:12px;border:1px solid var(--border);background:#000;display:block}
.video-lock{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:36px 24px;text-align:center}
.video-lock .lock-inner{max-width:520px;margin:0 auto}
.video-lock .lock-icon{font-size:42px;line-height:1;margin-bottom:14px}
.video-lock .lock-title{font-size:16px;font-weight:700;color:var(--text);margin-bottom:8px}
.video-lock .lock-sub{font-size:13px;color:var(--text-m);line-height:1.6;margin-bottom:18px}
.video-lock .lock-btn{display:inline-block;background:linear-gradient(135deg,var(--gold),var(--gold2));color:#1a1a1a;padding:11px 24px;border-radius:8px;font-weight:700;font-size:14px;text-decoration:none}
.video-lock .lock-btn:hover{filter:brightness(1.1)}
.video-lock .lock-foot{font-size:12px;color:var(--text-m);margin-top:12px}
/* module2 video gallery grid */
.video-gallery{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:22px;margin:22px 0}
.video-gallery h3{font-size:18px;margin:0 0 6px;color:var(--gold)}
.video-gallery .gallery-sub{font-size:13px;color:var(--text-m);margin:0 0 16px}
.video-gallery .gallery-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.video-gallery .video-gate{margin:0}
.video-gallery .module-video{max-height:160px}
.video-gallery .video-lock{padding:18px 12px;min-height:160px;display:flex;align-items:center;justify-content:center}
.video-gallery .video-lock .lock-icon{font-size:28px;margin-bottom:8px}
.video-gallery .video-lock .lock-title{font-size:13px}
.video-gallery .video-lock .lock-sub{font-size:12px;margin-bottom:12px}
.video-gallery .video-lock .lock-btn{padding:8px 16px;font-size:12px}

/* ===== FULL CONTENT GATE (unpaid hides all locked-content) ===== */
body.unpaid .locked-content{display:none !important}
/* .video-gate contains the actionable free-preview lock card; keep it visible. */
/* unpaid overlay banner inserted at top of module pages */
body.unpaid .gate-banner{display:block}
body.paid .gate-banner{display:none}
.gate-banner{position:sticky;top:0;z-index:50;background:linear-gradient(135deg,rgba(212,175,55,0.18),rgba(230,57,70,0.10));border:1px solid var(--gold);border-radius:12px;padding:16px 20px;margin:0 0 22px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.gate-banner .gb-icon{font-size:28px;line-height:1}
.gate-banner .gb-text{flex:1;min-width:220px}
.gate-banner .gb-title{font-size:15px;font-weight:700;color:var(--gold);margin:0 0 4px}
.gate-banner .gb-sub{font-size:13px;color:var(--text-d);margin:0;line-height:1.5}
.gate-banner .gb-btn{background:linear-gradient(135deg,var(--gold),var(--gold2));color:#1a1a1a;padding:11px 22px;border-radius:8px;font-weight:700;font-size:14px;text-decoration:none;white-space:nowrap}
.gate-banner .gb-btn:hover{filter:brightness(1.1)}
/* 无视频位的分类补的正文 VIP 解锁卡 */
.teaser-lock{margin-top:16px}
.teaser-lock .lock-inner{padding:18px 20px}
@media (max-width:768px){
  .gate-banner{flex-direction:column;text-align:center;padding:14px}
  .gate-banner .gb-btn{width:100%;text-align:center}
}

/* ===== GAMIFICATION ===== */

/* XP Bar */
.xp-bar-wrap{max-width:600px;margin:24px auto 0;background:var(--card);border:1px solid var(--border);border-radius:16px;padding:20px}
.xp-bar-header{display:flex;justify-content:center;align-items:center;gap:16px;margin-bottom:12px}
.xp-level{font-size:24px;font-weight:900;color:var(--gold)}
.xp-title{font-size:14px;color:var(--text-m)}
.xp-amount{font-size:13px;color:var(--text-m)}
.xp-bar{height:12px;background:rgba(255,255,255,0.1);border-radius:999px;overflow:hidden}
.xp-fill{height:100%;background:linear-gradient(90deg,var(--gold),var(--gold2));border-radius:999px;transition:width .6s ease}

/* Challenge Cards */
.chal-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:16px}
.chal-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:24px;position:relative;transition:all .2s}
.chal-card:hover{border-color:var(--gold);transform:translateY(-2px)}
.chal-card.completed{opacity:.7}
.chal-card.completed::after{content:'✓ DONE';position:absolute;top:12px;right:12px;background:#22c55e;color:#fff;padding:4px 10px;border-radius:999px;font-size:11px;font-weight:700}

/* Log Buttons */
.log-buttons{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.log-btn{padding:12px 20px;border-radius:999px;border:1px solid var(--border);background:var(--card);color:var(--text);font-weight:700;font-size:14px;cursor:pointer;transition:all .2s;font-family:inherit}
.log-btn:hover{border-color:var(--gold);color:var(--gold)}
.log-btn.easy{border-color:#22c55e}
.log-btn.easy:hover{background:rgba(34,197,94,0.15)}
.log-btn.medium{border-color:#fbbf24}
.log-btn.medium:hover{background:rgba(251,191,36,0.15)}
.log-btn.hard{border-color:#ef4444}
.log-btn.hard:hover{background:rgba(239,68,68,0.15)}
.log-btn.rejection{border-color:var(--gold);background:linear-gradient(135deg,rgba(212,175,55,0.2),rgba(212,175,55,0.05))}
.log-btn.rejection:hover{background:rgba(212,175,55,0.3)}

/* Stats Grid */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:16px;max-width:880px;margin:0 auto 30px;padding:0 24px}
.stat-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:20px;text-align:center;transition:all .2s}
.stat-card:hover{border-color:var(--gold);transform:translateY(-2px)}
.stat-card .icon{font-size:28px;margin-bottom:8px}
.stat-card .num{font-size:28px;font-weight:900;color:var(--gold)}
.stat-card .lbl{font-size:12px;color:var(--text-m);margin-top:4px}

/* Badges */
.badges-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:12px}
.badge-item{text-align:center;padding:16px 8px;background:var(--card);border:1px solid var(--border);border-radius:12px}
.badge-item.earned{border-color:var(--gold);background:rgba(212,175,55,0.1)}
.badge-item.locked{opacity:.82;filter:grayscale(.35);background:linear-gradient(165deg,rgba(194,161,96,.08),rgba(10,10,15,.2))}
.badge-icon{font-size:32px;margin-bottom:6px}
.badge-name{font-size:11px;font-weight:700;color:#f3e4b8;text-shadow:0 1px 8px rgba(0,0,0,.55)}
.badge-desc{font-size:10px;color:#d8c99e;font-weight:600;line-height:1.45;text-shadow:0 1px 6px rgba(0,0,0,.65)}

/* ===== 全站卡片底图统一: 磨砂金(与 9 大模块同款) =====
 * --card 已改为磨砂金渐变; 这里给使用 --card 的主要卡片补 blur 磨砂感 */
.blog-card,.cat-deep,.t-card,.script-card,.video-lock,.video-gallery,
.chal-card,.stat-card,.badge-item,.xp-bar-wrap,.sc-week,.sc-flash-card,
.coach-step,.ai-tutor-panel,.ai-tutor-msg.ai,.lesson,.pdf-card,.case-tile,
.feature,.price,.testi-card,.faq-item,.module,.ref-link-wrap,.vip-progress-wrap,.tier{
  backdrop-filter:blur(7px) saturate(1.1);
  -webkit-backdrop-filter:blur(7px) saturate(1.1);
}


/* ===== MOBILE (手持端体验优化) ===== */
@media(max-width:640px){
  /* 触控目标 ≥44px, 主 CTA 全宽更好点按 */
  .btn,.btn-primary,.btn-ghost,.hero-cta a,.cta-banner .btn{min-height:46px;padding:12px 18px;font-size:15px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta a{width:100%;text-align:center}
  .section{padding:44px 16px}
  .section-title{margin-bottom:32px}
  .cta-banner{padding:26px 18px;margin:28px 0;border-radius:16px}
  .cta-banner .btn{width:100%;text-align:center}
  .footer-inner{gap:28px}
  .footer-inner>div:first-child{grid-column:1/-1}
  .module{padding:22px 16px}
  .features,.tiers,.pricing-grid,.price-grid{grid-template-columns:1fr}
  .ai-tutor-toggle{bottom:14px;right:14px;padding:10px 16px}
}
@media(max-width:420px){
  .hero{padding:70px 14px 44px}
  .hero h1{font-size:clamp(26px,8vw,34px)}
  .section-title h2{font-size:clamp(24px,7vw,30px)}
  .module h3{font-size:19px}
  .footer-inner>div{min-width:0}
}


/* ===== MOBILE STICKY ENROLL BAR (首页底部固定报名条, 仅手机端) ===== */
.mca-sticky-cta{display:none}
.mca-sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;max-width:1280px;margin:0 auto}
.mca-sticky-label{font-size:12px;color:var(--text-m);line-height:1.4}
.mca-sticky-label b{color:var(--gold2);font-weight:800}
.mca-sticky-cta .btn{white-space:nowrap;min-height:44px}
.mca-sticky-continue{justify-content:center}
.mca-sticky-continue .btn{width:100%;text-align:center}
@media(max-width:640px){
  .mca-sticky-cta.is-on{display:block;position:fixed;left:0;right:0;bottom:0;z-index:900;
    background:linear-gradient(180deg, rgba(20,16,9,.96) 0%, rgba(13,10,6,.98) 100%);
    border-top:1px solid var(--gold-border);
    backdrop-filter:blur(14px) saturate(1.4);-webkit-backdrop-filter:blur(14px) saturate(1.4);
    padding:9px 14px calc(9px + env(safe-area-inset-bottom, 0px));
    box-shadow:0 -8px 24px rgba(0,0,0,.35);
    transform:translateY(120%);transition:transform .28s ease}
  .mca-sticky-cta.is-on.is-visible{transform:translateY(0)}
  .mca-sticky-label{max-width:52%}
  /* 给固定报名条让出底部空间, 内容不被遮挡 (关闭后 body 去掉 padding) */
  body:not(.mca-cta-closed){padding-bottom:calc(64px + env(safe-area-inset-bottom, 0px))}
  body.mca-cta-closed{padding-bottom:env(safe-area-inset-bottom, 0px)}
}


/* ===== EXIT-INTENT 离店意图弹层: 报名 CTA (无倒计时/限时元素, 全站共享) ===== */
.mca-exit-wrap{position:fixed;inset:0;z-index:1200;display:flex;align-items:center;justify-content:center;
  padding:20px;box-sizing:border-box;opacity:0;pointer-events:none;transition:opacity .25s ease}
.mca-exit-wrap::before{content:'';position:absolute;inset:0;background:rgba(5,4,2,.72);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.mca-exit-wrap.is-open{opacity:1;pointer-events:auto}
.mca-exit-card{position:relative;max-width:340px;width:100%;box-sizing:border-box;
  background:linear-gradient(168deg,rgba(26,21,14,.98) 0%,rgba(12,9,5,.99) 100%);
  border:1px solid var(--gold-border);border-radius:18px;padding:24px 22px 20px;text-align:center;
  box-shadow:0 18px 60px rgba(0,0,0,.5)}
.mca-exit-close{position:absolute;top:10px;right:12px;background:none;border:none;color:var(--text-m);
  font-size:24px;line-height:1;cursor:pointer;min-width:44px;min-height:44px;padding:0}
.mca-exit-title{font-size:18px;font-weight:800;color:var(--gold2);margin:0 0 6px;padding:0 18px}
.mca-exit-sub{font-size:12.5px;color:var(--text-d);line-height:1.55;margin:0 0 12px;padding:0 4px}
.mca-exit-foot{font-size:12px;color:var(--text-m);margin-bottom:14px}
.mca-exit-seats{color:var(--gold2);font-weight:800}
.mca-exit-cta{width:100%;justify-content:center;min-height:48px}
.mca-exit-no{background:none;border:none;color:var(--text-m);font-size:12px;margin-top:12px;
  cursor:pointer;text-decoration:underline;min-height:44px;padding:0 12px}
body.mca-exit-lock{overflow:hidden}
@media(max-width:640px){
  .mca-exit-wrap{padding:14px}
  .mca-exit-card{max-width:320px;padding:20px 16px 16px}
}

/* ===== 移动端语言切换器: 窄屏收紧, 防撑破导航 (375px 实测溢出 61px) ===== */
@media(max-width:640px){
  #mcaLangWrap{margin-left:0 !important}
  #mcaLangBtn{font-size:0 !important;padding:9px !important;width:38px;height:38px;justify-content:center;border-radius:10px}
  #mcaLangBtn::before{content:'🌐';font-size:17px;line-height:1}
}
#mcaLangBtn:hover{background:rgba(212,175,55,.12)}

@media(max-width:640px){
  /* 移动端账户控件: 只留图标化 Sign in, 收起 Join free 大按钮, 防撑破导航 */
  #mcaAccountControls{gap:6px !important;margin-left:0 !important}
  #mcaAccountControls .mca-join-link{display:none !important}
  #mcaAccountControls .mca-signin-link{font-size:0 !important;padding:9px !important;width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;border:1px solid var(--border-a,#333)}
  #mcaAccountControls .mca-signin-link::before{content:'👤';font-size:16px}
}