/* 希文 Sean Ven · 站点样式
   色板与课程视频一致：夜空蓝底 + 三档课程各自的颜色（基础=青、进阶=紫、全能=金） */
@font-face{font-family:"Smiley";src:url(../fonts/smiley.woff2) format("woff2");font-display:swap}
@font-face{font-family:"MiSans";src:url(../fonts/misans-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"MiSans";src:url(../fonts/misans-600.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"BarlowC";src:url(../fonts/barlow.woff2) format("woff2");font-weight:800;font-style:italic;font-display:swap}

:root{
  color-scheme:dark;
  --night:#070817; --deep:#0b0d24; --deck:#11143a; --line:rgba(170,185,255,.14);
  --ink:#E9ECF7; --mute:#9AA3C2; --faint:#626b8f;
  --teal:#8CF2FF; --teal2:#4D9EFF;
  --violet:#E0C9FF; --violet2:#9E73FF;
  --gold:#FFEDBD; --gold2:#FFA852;
  --g-teal:linear-gradient(100deg,var(--teal),var(--teal2));
  --g-violet:linear-gradient(100deg,var(--violet),var(--violet2));
  --g-gold:linear-gradient(100deg,var(--gold),var(--gold2));
  --head:"Smiley","MiSans",system-ui,sans-serif;
  --body:"MiSans",-apple-system,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --num:"BarlowC","MiSans",sans-serif;
  --wrap:1120px; --pad:clamp(18px,4.5vw,40px);
  --bar:52px;
  --ease:cubic-bezier(.22,1,.36,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--bar) + 12px)}
body{margin:0;background:var(--night);color:var(--ink);font:400 16px/1.7 var(--body);overflow-x:hidden;-webkit-tap-highlight-color:transparent}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px;border-radius:6px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--pad)}
.num{font-family:var(--num);font-style:italic;font-weight:800;letter-spacing:.01em}
.tg{background:var(--g-teal);-webkit-background-clip:text;background-clip:text;color:transparent}
.vg{background:var(--g-violet);-webkit-background-clip:text;background-clip:text;color:transparent}
.gg{background:var(--g-gold);-webkit-background-clip:text;background-clip:text;color:transparent}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ---------- 背景：星空 + 缓慢漂移的光 ---------- */
#sky{position:fixed;inset:0;z-index:-2;width:100%;height:100%}
.aurora{position:fixed;inset:-20vmax;z-index:-3;pointer-events:none;
  background:
   radial-gradient(40vmax 30vmax at 20% 25%,rgba(77,158,255,.20),transparent 70%),
   radial-gradient(38vmax 32vmax at 80% 60%,rgba(158,115,255,.20),transparent 70%),
   radial-gradient(30vmax 22vmax at 45% 95%,rgba(255,168,82,.07),transparent 70%),
   var(--night);
  animation:drift 38s ease-in-out infinite alternate}
@keyframes drift{to{transform:translate3d(4vmax,-3vmax,0) rotate(6deg)}}

/* ---------- 顶部编曲轨道（整站的导航） ---------- */
.arr{position:fixed;top:0;left:0;right:0;z-index:50;height:var(--bar);
  display:flex;align-items:center;gap:12px;padding:0 12px 0 14px;
  background:rgba(7,8,23,.72);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line)}
.arr .brand{font:400 20px/1 var(--head);text-decoration:none;white-space:nowrap;display:flex;align-items:baseline;gap:6px}
.arr .brand small{font:800 italic 12px/1 var(--num);color:var(--mute);letter-spacing:.04em}
.lane{position:relative;flex:1;height:30px;display:flex;gap:3px;min-width:0}
.clip{--c:77,158,255;--lt:#bfe6ff;position:relative;flex:var(--w,1) 1 0;min-width:30px;border:0;padding:0 6px;border-radius:5px;cursor:pointer;
  background:rgba(var(--c),.22);
  box-shadow:inset 0 0 0 1px rgba(var(--c),.55);
  text-align:left;overflow:hidden;font:600 11px/30px var(--body);color:var(--lt);white-space:nowrap;text-overflow:ellipsis;
  transform-origin:left center;transition:background .3s,opacity .3s}
.clip::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:9px;opacity:.55;
  background:repeating-linear-gradient(90deg,rgb(var(--c)) 0 1.5px,transparent 1.5px 4px);
  -webkit-mask:var(--wave) center/100% 100% no-repeat;mask:var(--wave) center/100% 100% no-repeat}
.clip.on{background:rgba(var(--c),.45);color:#fff}
.clip span{position:relative;z-index:1}
.ph{position:absolute;top:-6px;bottom:-6px;left:0;width:2px;margin-left:-1px;background:#fff;pointer-events:none;
  box-shadow:0 0 10px 1px rgba(140,242,255,.9);will-change:transform}
.ph::before{content:"";position:absolute;top:0;left:-5px;border:6px solid transparent;border-top:7px solid #fff;border-bottom:0}
.arr .go{flex:none;text-decoration:none;font:600 13px/1 var(--body);padding:9px 14px;border-radius:99px;color:#071022;background:var(--g-teal);white-space:nowrap}
@media (max-width:560px){.arr .brand small,.arr .go{display:none}.arr{gap:10px}.clip{font-size:10.5px;padding:0 5px;text-overflow:clip}}

/* 开场动画：片段一段段落到轨道上 */
.intro .clip{animation:place .7s var(--ease) both;animation-delay:calc(var(--i)*90ms + .2s)}
@keyframes place{from{opacity:0;transform:translateY(-14px) scaleX(.4)}}

/* ---------- 段落标尺（每个板块的开头） ---------- */
.ruler{--lt:#a9e3ff;position:relative;height:30px;margin:0 0 26px;display:flex;align-items:flex-end;
  background:repeating-linear-gradient(90deg,var(--line) 0 1px,transparent 1px 24px) bottom/100% 8px no-repeat,
             repeating-linear-gradient(90deg,rgba(170,185,255,.28) 0 1px,transparent 1px 96px) bottom/100% 14px no-repeat;
  border-bottom:1px solid var(--line)}
.ruler b{position:relative;font:800 italic 15px/1 var(--num);letter-spacing:.03em;color:#071022;padding:5px 10px 4px 8px;margin-bottom:14px;
  background:var(--lt);border-radius:3px 3px 3px 0}
.ruler b::after{content:"";position:absolute;left:0;top:100%;width:1.5px;height:14px;background:var(--lt)}
.ruler i{font:600 12px/1 var(--body);font-style:normal;color:var(--mute);margin:0 0 18px 12px}

section.part{position:relative;padding:clamp(56px,10vw,110px) 0}
h2{font:400 clamp(34px,6.4vw,64px)/1.08 var(--head);margin:0 0 18px;letter-spacing:.01em}
h3{font:400 clamp(24px,3.6vw,32px)/1.2 var(--head);margin:0 0 10px}
.lead{font-size:clamp(16px,2.2vw,19px);color:var(--mute);max-width:36em;margin:0}
.lead strong{color:var(--ink);font-weight:600}

/* ---------- Intro：视频 ---------- */
.hero{padding-top:calc(var(--bar) + clamp(14px,3vw,34px))}
.stage{position:relative;max-width:min(1180px,calc((100vh - var(--bar) - 190px) * 16 / 9 + 60px));min-width:min(100%,640px);margin:0 auto;padding:0 clamp(0px,3vw,30px)}
.amb{position:absolute;inset:6% 4%;z-index:-1;filter:blur(60px) saturate(160%);opacity:.75;transform:scale(1.1);transition:opacity 1s}
.amb canvas{width:100%;height:100%}
.screen{position:relative;aspect-ratio:16/9;background:#000 center/cover no-repeat;overflow:hidden;
  border-radius:clamp(0px,1.6vw,18px);box-shadow:0 0 0 1px rgba(170,185,255,.18),0 30px 80px -30px rgba(0,0,0,.9);
  animation:screenIn 1.2s var(--ease) both}
@keyframes screenIn{from{opacity:0;transform:scale(.965);filter:brightness(.3)}}
.screen video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:transparent}
.sound{position:absolute;left:50%;bottom:clamp(12px,4%,28px);transform:translateX(-50%);display:flex;align-items:center;gap:10px;white-space:nowrap;
  border:0;cursor:pointer;padding:11px 18px 11px 14px;border-radius:99px;font:600 15px/1 var(--body);color:#071022;
  background:rgba(255,255,255,.92);box-shadow:0 10px 30px -8px rgba(0,0,0,.6);transition:opacity .4s,transform .4s var(--ease)}
.sound .eq{display:flex;gap:2px;align-items:flex-end;height:14px}
.sound .eq i{width:3px;background:#071022;border-radius:2px;animation:eq 1s ease-in-out infinite}
.sound .eq i:nth-child(2){animation-delay:-.3s}.sound .eq i:nth-child(3){animation-delay:-.6s}.sound .eq i:nth-child(4){animation-delay:-.15s}
@keyframes eq{0%,100%{height:4px}50%{height:14px}}
.sound.hide{opacity:0;pointer-events:none;transform:translate(-50%,10px)}
.bigplay{position:absolute;inset:0;margin:auto;width:84px;height:84px;border-radius:50%;border:0;cursor:pointer;display:none;
  background:rgba(255,255,255,.92);box-shadow:0 0 0 12px rgba(255,255,255,.12)}
.bigplay::before{content:"";position:absolute;left:34px;top:26px;border-left:24px solid #071022;border-top:16px solid transparent;border-bottom:16px solid transparent}
.screen.blocked .bigplay{display:block}.screen.blocked .sound{display:none}
.vctl{position:absolute;right:12px;top:12px;display:flex;gap:8px;opacity:0;transition:opacity .3s}
.screen:hover .vctl,.screen.touched .vctl{opacity:1}
.vctl button{width:36px;height:36px;border-radius:50%;border:0;cursor:pointer;background:rgba(7,8,23,.6);backdrop-filter:blur(6px);display:grid;place-items:center}
.vctl svg{width:18px;height:18px;fill:#fff}
.vbar{position:absolute;left:0;right:0;bottom:0;height:3px;background:rgba(255,255,255,.12)}
.vbar i{display:block;height:100%;width:0;background:var(--g-teal)}

.title{padding:clamp(26px,5vw,48px) var(--pad) 0;max-width:var(--wrap);margin:0 auto;display:grid;gap:22px;grid-template-columns:1fr}
.title .who{display:flex;align-items:center;gap:10px;color:var(--mute);font-size:15px}
.title .who img{width:34px;height:34px;border-radius:50%;object-fit:cover;object-position:50% 18%;box-shadow:0 0 0 1.5px rgba(140,242,255,.6)}
h1{font:400 clamp(40px,9.4vw,84px)/1.02 var(--head);margin:6px 0 10px;letter-spacing:.005em}
h1 .l{display:inline-block;animation:rise .9s var(--ease) both;animation-delay:calc(.5s + var(--i)*45ms)}
@keyframes rise{from{opacity:0;transform:translateY(.45em) skewX(-8deg)}}
.motto{font:400 clamp(20px,3.4vw,30px)/1.3 var(--head);margin:0;animation:fadeIn 1s .95s both}
@keyframes fadeIn{from{opacity:0}}
.quick{display:flex;flex-wrap:wrap;gap:10px;animation:fadeIn 1s 1.15s both}
.btn{display:inline-flex;align-items:center;gap:8px;text-decoration:none;font:600 15px/1 var(--body);padding:14px 20px;border-radius:12px;border:0;cursor:pointer;transition:transform .2s var(--ease),box-shadow .2s}
.btn.pri{color:#071022;background:var(--g-teal);box-shadow:0 10px 30px -10px rgba(77,158,255,.8)}
.btn.sec{background:rgba(255,255,255,.06);box-shadow:inset 0 0 0 1px var(--line)}
.btn:active{transform:scale(.97)}
@media (hover:hover){.btn:hover{transform:translateY(-2px)}}
.scrollcue{display:flex;align-items:center;gap:10px;margin-top:18px;color:var(--faint);font-size:13px;animation:fadeIn 1s 1.5s both}
.scrollcue svg{width:64px;height:18px}
.scrollcue path{stroke:var(--teal2);stroke-width:1.6;fill:none;stroke-dasharray:4 5;animation:dash 1.4s linear infinite}
@keyframes dash{to{stroke-dashoffset:-18}}
@media (min-width:900px){.title{grid-template-columns:auto 1fr;gap:48px;align-items:end}.title h1{white-space:nowrap}.title .side{padding-bottom:14px;justify-self:end}}
@media (max-width:560px){.sound{font-size:14px;padding:9px 14px 9px 12px}}

/* ---------- Verse：学员作品 / 我是希文 / 痛点 ---------- */
.story{display:grid;gap:clamp(28px,5vw,60px)}
@media (min-width:900px){.story{grid-template-columns:1fr 1.1fr;align-items:center}}
.covers{position:relative;display:grid;grid-template-columns:repeat(2,1fr);gap:12px;perspective:900px}
.cover{margin:0;position:relative;border-radius:10px;overflow:hidden;background:var(--deck);
  box-shadow:0 18px 40px -18px rgba(0,0,0,.9),0 0 0 1px rgba(255,255,255,.06);
  transition:transform .9s var(--ease),opacity .9s}
.cover img{aspect-ratio:1;width:100%;object-fit:cover}
.cover figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 10px 9px;font-size:12px;line-height:1.35;
  background:linear-gradient(transparent,rgba(5,6,18,.92))}
.cover figcaption b{display:block;font:400 16px/1.2 var(--head)}
.cover figcaption span{color:var(--mute)}
.covers.wait .cover{opacity:0;transform:rotateY(-35deg) translateX(-30px)}
.covers .cover:nth-child(2){transition-delay:.08s}.covers .cover:nth-child(3){transition-delay:.16s}.covers .cover:nth-child(4){transition-delay:.24s}
.label-note{display:flex;align-items:center;gap:8px;margin-top:14px;font-size:13px;color:var(--mute)}
.label-note::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 10px var(--teal)}

.credits{margin:28px 0 0;padding:0;display:grid;gap:0;border-top:1px solid var(--line)}
.credits div{display:grid;grid-template-columns:5.5em 1fr;gap:14px;padding:13px 0;border-bottom:1px solid var(--line)}
.credits dt{color:var(--faint);font-size:14px}
.credits dd{margin:0;font-size:15px}
.credits .big{font:800 italic 26px/1 var(--num)}

.messy{margin-top:clamp(50px,8vw,90px);display:grid;gap:26px}
@media (min-width:900px){.messy{grid-template-columns:1fr 1.15fr;align-items:center}}
.pains{display:grid;gap:10px;margin:22px 0 0;padding:0;list-style:none}
.pains li{position:relative;padding:12px 14px 12px 40px;border-radius:12px;background:rgba(255,255,255,.035);box-shadow:inset 0 0 0 1px var(--line);font-size:15px}
.pains li::before{content:"";position:absolute;left:15px;top:50%;width:12px;height:2px;background:#ff8a8a;transform:rotate(45deg)}
.pains li::after{content:"";position:absolute;left:15px;top:50%;width:12px;height:2px;background:#ff8a8a;transform:rotate(-45deg)}
.board{position:relative;min-height:330px;border-radius:20px;padding:20px;background:linear-gradient(160deg,rgba(17,20,58,.85),rgba(9,10,30,.6));box-shadow:inset 0 0 0 1px var(--line);overflow:hidden}
.board .cap{position:relative;z-index:2;display:flex;justify-content:space-between;font-size:13px;color:var(--mute)}
.board .cap b{font-weight:600;color:var(--ink);transition:opacity .4s}
.chips{position:absolute;inset:56px 18px 18px}
.chip{position:absolute;left:0;top:0;padding:8px 12px;border-radius:9px;font:600 14px/1 var(--body);white-space:nowrap;
  background:linear-gradient(rgba(var(--c),.2),rgba(var(--c),.2)),#0f1230;box-shadow:inset 0 0 0 1px rgba(var(--c),.6),0 6px 16px -6px rgba(0,0,0,.8);color:#fff;
  transition:transform 1.1s var(--ease),opacity .6s;will-change:transform}
.chip .n{font:800 italic 13px/1 var(--num);opacity:.7;margin-right:6px}
.board svg.path{position:absolute;inset:56px 18px 18px;width:calc(100% - 36px);height:calc(100% - 74px);pointer-events:none}
.board svg.path path{fill:none;stroke:url(#pg);stroke-width:2;stroke-linecap:round;stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset 1.6s .5s var(--ease)}
.board.tidy svg.path path{stroke-dashoffset:0}
.story h2,.messy h2{font-size:clamp(34px,4.6vw,50px)}
.why{margin-top:22px;font-size:16px;color:var(--mute);max-width:34em}
.why p{margin:0 0 12px}.why strong{color:var(--ink);font-weight:600}

/* ---------- Build-up：三个阶段 ---------- */
.stack{display:grid;gap:16px;margin-top:34px}
@media (min-width:900px){.stack{grid-template-columns:repeat(3,1fr);align-items:end}}
.tier{--c:77,158,255;position:relative;border-radius:20px;display:flex;flex-direction:column;background:rgba(13,15,42,.78);box-shadow:inset 0 0 0 1px rgba(var(--c),.4)}
.tier.adv{--c:158,115,255}.tier.pro{--c:255,168,82;box-shadow:inset 0 0 0 1.5px rgba(var(--c),.85),0 30px 80px -40px var(--gold2)}
.tier img{aspect-ratio:16/9;width:100%;object-fit:cover;border-radius:20px 20px 0 0}
.tier .body{padding:18px 20px 20px;flex:1;display:flex;flex-direction:column}
.tier .layers{margin-top:auto;padding-top:16px}
.tier .k{display:flex;align-items:baseline;justify-content:space-between;gap:10px}
.tier h3{margin:0}
.tier .full{color:var(--mute);font-size:14px;margin:2px 0 14px}
.tier .stat{display:flex;align-items:baseline;gap:4px;flex-wrap:wrap;font-size:14px;color:var(--mute)}
.tier .stat .num{font-size:40px;line-height:1;margin-right:2px}
.tier .stat .sep{width:14px}
.tier p{margin:12px 0 0;font-size:14.5px;color:var(--mute)}
.tier .badge{font:600 12px/1 var(--body);padding:6px 9px;border-radius:99px;color:#1a1004;background:var(--g-gold);white-space:nowrap}
/* 叠层条：直观表现"高等级包含低等级" */
.layers{display:flex;flex-direction:column-reverse;gap:3px;margin-top:16px}
.layers i{display:flex;align-items:center;height:26px;padding:0 10px;border-radius:6px;font:600 12px/1 var(--body);font-style:normal;color:#071022;
  transform-origin:left;transition:transform .9s var(--ease),opacity .5s}
.layers .t{background:var(--g-teal)}.layers .v{background:var(--g-violet)}.layers .g{background:var(--g-gold)}
.layers .g.open{background:repeating-linear-gradient(-45deg,rgba(255,168,82,.25) 0 6px,transparent 6px 12px);box-shadow:inset 0 0 0 1px rgba(255,209,140,.6);color:var(--gold)}
.stack.wait .layers i{opacity:0;transform:scaleX(0)}
.stack .layers i:nth-child(2){transition-delay:.25s}.stack .layers i:nth-child(3){transition-delay:.5s}.stack .layers i:nth-child(4){transition-delay:.75s}
.sum{margin-top:22px;font-size:14px;color:var(--faint)}

/* ---------- Drop：全部章节 ---------- */
.tabs{position:sticky;top:calc(var(--bar) + 8px);z-index:20;display:flex;gap:6px;padding:6px;margin:28px 0 18px;border-radius:14px;background:rgba(11,13,36,.86);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:inset 0 0 0 1px var(--line)}
.tab{position:relative;flex:1;border:0;background:none;cursor:pointer;padding:11px 6px;border-radius:10px;font:600 15px/1.1 var(--body);color:var(--mute);z-index:1;transition:color .3s}
.tab small{display:block;font:400 12px/1.3 var(--body);opacity:.8;margin-top:3px}
.tab[aria-selected=true]{color:#071022}
.tabs .pill{position:absolute;top:6px;bottom:6px;left:6px;border-radius:10px;background:var(--g-teal);transition:transform .5s var(--ease),width .5s var(--ease),background .3s}
.tools{display:flex;gap:10px;align-items:center;margin-bottom:16px}
.search{flex:1;position:relative}
.search input{width:100%;padding:12px 14px 12px 40px;border-radius:12px;border:0;background:rgba(255,255,255,.05);box-shadow:inset 0 0 0 1px var(--line);color:var(--ink);font:400 15px var(--body)}
.search input::placeholder{color:var(--faint)}
.search svg{position:absolute;left:13px;top:50%;width:17px;height:17px;transform:translateY(-50%);stroke:var(--mute);fill:none;stroke-width:2}
.tools .btn{padding:12px 14px;font-size:14px;border-radius:12px}
.hits{font-size:13px;color:var(--mute);margin:-6px 0 14px;min-height:1em}
.panel{display:none}.panel.on{display:block;animation:panelIn .6s var(--ease)}
@keyframes panelIn{from{opacity:0;transform:translateY(12px)}}
.pstat{display:flex;flex-wrap:wrap;gap:6px 18px;align-items:baseline;margin:0 0 16px;color:var(--mute);font-size:14px}
.pstat .num{font-size:30px;color:var(--ink);margin-right:3px}

.ch{--c:77,158,255;--lt:#a9e3ff;border-radius:14px;margin-bottom:8px;background:rgba(13,15,42,.6);box-shadow:inset 0 0 0 1px var(--line);transition:background .3s,box-shadow .3s}
.panel.adv .ch{--c:158,115,255;--lt:#d9c6ff}
.ch.open{background:rgba(17,20,58,.85);box-shadow:inset 0 0 0 1px rgba(var(--c),.55)}
.ch>button{width:100%;display:grid;grid-template-columns:46px 1fr auto 18px;gap:10px;align-items:center;padding:15px 16px 15px 14px;background:none;border:0;cursor:pointer;text-align:left}
.ch .no{font:800 italic 24px/1 var(--num);color:var(--lt)}
.ch .no.txt{font:600 13px/1.2 var(--body);color:var(--lt)}
.ch .nm{font:600 16px/1.35 var(--body)}
.ch .ct{font-size:13px;color:var(--mute);white-space:nowrap}
.ch .chev{width:12px;height:12px;border-right:2px solid var(--mute);border-bottom:2px solid var(--mute);transform:rotate(45deg) translateY(-3px);transition:transform .4s var(--ease)}
.ch.open .chev{transform:rotate(-135deg) translateY(-1px)}
.ch .tag{display:inline-block;margin-left:8px;padding:3px 7px;border-radius:6px;font:600 11px/1 var(--body);vertical-align:2px;color:#1a0f2e;background:var(--g-violet)}
.ch .more{display:grid;grid-template-rows:0fr;transition:grid-template-rows .55s var(--ease)}
.ch.open .more{grid-template-rows:1fr}
.ch .more>div{overflow:hidden}
.ch ol{list-style:none;margin:0;padding:2px 16px 16px 14px;display:grid;gap:2px}
@media (min-width:760px){.ch ol{grid-template-columns:1fr 1fr;column-gap:22px}}
.ch li{display:grid;grid-template-columns:52px 1fr;gap:6px;padding:7px 0;border-top:1px solid rgba(170,185,255,.08);font-size:14.5px;line-height:1.5;
  opacity:0;transform:translateY(6px);transition:opacity .4s,transform .5s var(--ease);transition-delay:calc(var(--k)*18ms)}
.ch.open li{opacity:1;transform:none}
.ch li .n{font:800 italic 14px/1.6 var(--num);color:var(--lt);opacity:.85}
.ch li mark{background:rgba(255,209,140,.28);color:#fff;border-radius:3px;padding:0 2px}
.ch.dim{display:none}

/* 进阶营：第一轮工程的能量曲线（一首歌的结构） */
.energy{position:relative;border-radius:18px;padding:18px 16px 12px;margin:0 0 18px;background:linear-gradient(180deg,rgba(158,115,255,.12),rgba(13,15,42,.5));box-shadow:inset 0 0 0 1px rgba(158,115,255,.35)}
.energy h4{margin:0;font:400 22px/1.2 var(--head)}
.energy p{margin:4px 0 14px;font-size:14px;color:var(--mute)}
.ebars{position:relative;display:grid;grid-template-columns:repeat(9,1fr);gap:4px;align-items:end;height:150px}
.ebar{position:relative;height:100%;border:0;padding:0;background:none;cursor:pointer;display:flex;flex-direction:column;justify-content:flex-end}
.ebar i{display:block;width:100%;height:calc(var(--e)*100%);border-radius:6px 6px 2px 2px;background:linear-gradient(180deg,var(--violet),var(--violet2) 70%,rgba(158,115,255,.3));
  transform-origin:bottom;transition:transform 1s var(--ease),filter .3s;transition-delay:calc(var(--k)*70ms)}
.ebar.hot i{background:linear-gradient(180deg,var(--gold),var(--gold2) 60%,rgba(255,168,82,.35))}
.energy.wait .ebar i{transform:scaleY(.04)}
@media (hover:hover){.ebar:hover i{filter:brightness(1.25)}}
.elab{display:grid;grid-template-columns:repeat(9,1fr);gap:4px;margin-top:7px}
.elab span{font:600 10.5px/1.3 var(--body);color:var(--mute);text-align:center;white-space:nowrap}
.energy svg{position:absolute;left:16px;right:16px;width:calc(100% - 32px);height:150px;pointer-events:none;overflow:visible}
.energy svg path{fill:none;stroke:#fff;stroke-width:1.5;opacity:.6;stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset 1.8s .4s var(--ease)}
.energy:not(.wait) svg path{stroke-dashoffset:0}

/* 全能营专属板块 */
.pro-grid{display:grid;gap:12px}
@media (min-width:860px){.pro-grid{grid-template-columns:1fr 1fr}}
.blk{border-radius:18px;padding:20px;background:rgba(13,15,42,.7);box-shadow:inset 0 0 0 1px rgba(255,168,82,.32)}
.blk.wide{grid-column:1/-1}
.blk .bn{font-size:13px;color:var(--gold2);font-weight:600}
.blk h4{font:400 26px/1.2 var(--head);margin:4px 0 8px}
.blk p{margin:0;color:var(--mute);font-size:14.5px}
.blk .forever{display:inline-block;margin-top:12px;font:600 12px/1 var(--body);padding:6px 9px;border-radius:99px;color:#1a1004;background:var(--g-gold)}
.marathon{display:flex;align-items:baseline;gap:8px;margin:6px 0 8px}
.marathon .num{font-size:64px;line-height:.9}
.styles{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.styles span{font-size:12.5px;padding:5px 9px;border-radius:7px;background:rgba(255,168,82,.1);box-shadow:inset 0 0 0 1px rgba(255,168,82,.3);color:var(--gold)}
.topics{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:6px;counter-reset:t}
@media (min-width:560px){.topics{grid-template-columns:1fr 1fr}}
@media (min-width:860px){.blk.wide .topics{grid-template-columns:repeat(3,1fr)}}
.topics li{counter-increment:t;display:flex;gap:10px;align-items:baseline;padding:9px 12px;border-radius:10px;background:rgba(255,255,255,.035);font-size:14.5px}
.topics li::before{content:counter(t,decimal-leading-zero);font:800 italic 15px/1 var(--num);color:var(--gold2)}

/* ---------- Break：权益对比 ---------- */
.cmp{margin-top:30px;border-radius:20px;background:rgba(11,13,36,.75);box-shadow:inset 0 0 0 1px var(--line)}
.cmp table{width:100%;border-collapse:collapse}
.cmp th,.cmp td{padding:13px 8px;text-align:center;vertical-align:middle}
.cmp thead th{position:sticky;top:var(--bar);z-index:5;background:rgba(14,16,46,.96);backdrop-filter:blur(10px);font:400 18px/1.1 var(--head);border-bottom:1px solid var(--line)}
.cmp thead th small{display:block;font:400 11px/1.3 var(--body);color:var(--mute);margin-top:3px}
.cmp thead th:first-child{border-top-left-radius:20px;text-align:left;padding-left:18px;font:600 13px var(--body);color:var(--mute)}
.cmp thead th:last-child{border-top-right-radius:20px}
.cmp col.c-pro,.cmp td.p,.cmp th.p{background:rgba(255,168,82,.07)}
.cmp tbody th{text-align:left;padding-left:18px;font-weight:600;font-size:15px;line-height:1.35}
.cmp tbody th small{display:block;font-weight:400;font-size:12.5px;color:var(--mute);margin-top:2px}
.cmp tbody tr{border-top:1px solid rgba(170,185,255,.08)}
.cmp tr.g td{padding:18px 18px 8px;text-align:left;font:600 13px/1 var(--body);color:var(--lt)}
.cmp .ok{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:50%;background:rgba(var(--c),.22)}
.cmp .ok svg{width:14px;height:14px;stroke:var(--lt);stroke-width:3;fill:none;stroke-linecap:round;stroke-linejoin:round}
.cmp .no{display:inline-block;width:12px;height:2px;background:var(--faint);border-radius:2px;vertical-align:middle}
.cmp .val{font-size:13px;color:var(--ink);line-height:1.3}
.cmp .val .num{font-size:20px}
.cmp .val.gold{color:var(--gold);font-weight:600}
.cmp td:nth-child(2){--c:77,158,255;--lt:var(--teal)}.cmp td:nth-child(3){--c:158,115,255;--lt:var(--violet)}.cmp td:nth-child(4){--c:255,168,82;--lt:var(--gold2)}
@media (max-width:640px){.cmp th,.cmp td{padding:11px 4px}.cmp tbody th,.cmp thead th:first-child{border-top-left-radius:20px;padding-left:12px}.cmp tbody th{font-size:14px}.cmp thead th{font-size:15px}.cmp colgroup .c-k{width:46%}}
.cmp .note{padding:14px 18px;font-size:13px;color:var(--faint);border-top:1px solid var(--line)}

.apprentice{position:relative;margin-top:22px;border-radius:22px;padding:clamp(22px,4vw,40px);overflow:hidden;
  background:radial-gradient(120% 140% at 100% 0%,rgba(255,168,82,.22),transparent 55%),rgba(16,14,32,.9);box-shadow:inset 0 0 0 1.5px rgba(255,200,130,.55)}
.apprentice h3{font-size:clamp(28px,5vw,46px);margin:0 0 6px}
.apprentice>p{color:var(--mute);margin:0;max-width:34em}
.perks{display:grid;gap:10px;margin-top:22px}
@media (min-width:700px){.perks{grid-template-columns:repeat(3,1fr)}}
.perks div{padding:16px;border-radius:14px;background:rgba(255,255,255,.04);box-shadow:inset 0 0 0 1px rgba(255,200,130,.25)}
.perks b{display:block;font:400 22px/1.2 var(--head);color:var(--gold)}
.perks span{font-size:14px;color:var(--mute)}
.shine{position:absolute;inset:0;pointer-events:none;background:linear-gradient(105deg,transparent 40%,rgba(255,236,200,.13) 50%,transparent 60%) -200% 0/250% 100% no-repeat;animation:shine 6s 1s ease-in-out infinite}
@keyframes shine{0%,60%{background-position:-200% 0}100%{background-position:200% 0}}

.release{margin-top:16px;display:grid;gap:14px;border-radius:18px;padding:20px;background:rgba(13,15,42,.65);box-shadow:inset 0 0 0 1px var(--line)}
@media (min-width:800px){.release{grid-template-columns:1fr 1.3fr;align-items:center}}
.release h4{margin:0;font:400 24px/1.2 var(--head)}
.release p{margin:4px 0 0;color:var(--mute);font-size:14.5px}
.hitsong{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.hitsong div{padding:12px 14px;border-radius:12px;background:rgba(255,255,255,.04)}
.hitsong b{display:block;font-weight:600}
.hitsong span{font-size:13px;color:var(--mute)}
.hitsong .num{font-size:24px;color:var(--ink)}

/* ---------- Outro：常见问题 + 报名 ---------- */
.faq{display:grid;gap:8px;margin-top:26px}
.faq details{border-radius:14px;background:rgba(13,15,42,.6);box-shadow:inset 0 0 0 1px var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:16px 46px 16px 18px;position:relative;font-weight:600}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:20px;top:50%;width:12px;height:12px;margin-top:-6px;
  background:linear-gradient(var(--mute),var(--mute)) center/12px 2px no-repeat,linear-gradient(var(--mute),var(--mute)) center/2px 12px no-repeat;transition:transform .35s var(--ease)}
.faq details[open] summary::after{transform:rotate(135deg)}
.faq details p{margin:0;padding:0 18px 16px;color:var(--mute);font-size:15px}
.faq details[open] p{animation:panelIn .45s var(--ease)}

.final{position:relative;margin-top:clamp(60px,10vw,110px);text-align:center;padding:clamp(40px,8vw,80px) var(--pad);border-radius:28px;overflow:hidden;
  background:radial-gradient(80% 120% at 50% 120%,rgba(77,158,255,.35),transparent 60%),rgba(11,13,36,.7);box-shadow:inset 0 0 0 1px var(--line)}
.final h2{margin-bottom:10px}
.final .lead{margin:0 auto 26px}
.final .btn.pri{font-size:17px;padding:17px 28px}
.final .wx{display:none;margin-top:14px;font-size:13px;color:var(--mute)}
.is-wx .final .wx{display:block}
.final svg.wave{position:absolute;left:0;right:0;bottom:0;width:100%;height:90px;opacity:.5;pointer-events:none}
.final svg.wave path{fill:none;stroke:url(#wg);stroke-width:1.5}
footer{padding:40px var(--pad) calc(96px + env(safe-area-inset-bottom));text-align:center;color:var(--faint);font-size:13px}
footer a{color:var(--mute)}

/* 底部常驻报名条（手机） */
.dock{position:fixed;left:12px;right:12px;bottom:calc(12px + env(safe-area-inset-bottom));z-index:40;display:flex;align-items:center;gap:12px;
  padding:10px 10px 10px 16px;border-radius:16px;background:rgba(14,16,46,.88);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:inset 0 0 0 1px var(--line),0 20px 40px -10px rgba(0,0,0,.8);transform:translateY(140%);transition:transform .6s var(--ease)}
.dock.show{transform:none}
.dock p{margin:0;flex:1;font-size:13px;line-height:1.35;color:var(--mute)}
.dock p b{display:block;color:var(--ink);font-size:15px}
.dock .btn{padding:12px 16px}
@media (min-width:900px){.dock{left:auto;right:24px;bottom:24px;width:360px}}

/* 滚动进入时的一次性显现（只用在少数元素上） */
.reveal{transition:opacity 1s var(--ease),transform 1s var(--ease)}
.reveal.wait{opacity:0;transform:translateY(24px)}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s!important;animation-delay:0s!important;transition-duration:.001s!important;transition-delay:0s!important}
  html{scroll-behavior:auto}
}

/* ---------- 价格 ---------- */
.price{margin-top:16px;padding-top:16px;border-top:1px solid rgba(var(--c),.3)}
.price .lab{display:inline-block;font:600 12px/1 var(--body);padding:6px 9px;border-radius:99px;color:#071022;background:rgb(var(--c))}
.tier:not(.adv):not(.pro) .price .lab{background:var(--g-teal)}.tier.adv .price .lab{background:var(--g-violet)}.tier.pro .price .lab{background:var(--g-gold);color:#1a1004}
.pr{display:flex;align-items:baseline;gap:4px;margin-top:6px;font-family:var(--num);font-style:italic;font-weight:800}
.pr small{font-size:28px}.pr b{font-size:70px;line-height:1;letter-spacing:-.01em}
.pr small,.pr b{background:var(--g-teal);-webkit-background-clip:text;background-clip:text;color:transparent;padding-right:.06em}
.tier.adv .pr small,.tier.adv .pr b{background-image:var(--g-violet)}
.tier.pro .pr small,.tier.pro .pr b{background-image:var(--g-gold);filter:drop-shadow(0 0 18px rgba(255,168,82,.45))}
.pr s{margin-left:10px;font-size:22px;color:var(--faint);text-decoration-thickness:2px}
.price .more{margin-top:8px;font-size:15px;font-weight:600}
.price .more b{font:800 italic 22px/1 var(--num);color:var(--gold2)}
.rec{position:absolute;z-index:3;top:-15px;left:50%;transform:translateX(-50%);padding:8px 18px;border-radius:99px;font:600 15px/1 var(--body);color:#1a1004;background:var(--g-gold);white-space:nowrap;
  box-shadow:0 0 0 4px rgba(255,168,82,.18),0 10px 30px -6px rgba(255,168,82,.8);animation:recp 2.6s ease-in-out infinite}
@keyframes recp{50%{box-shadow:0 0 0 9px rgba(255,168,82,0),0 10px 34px -4px rgba(255,168,82,1)}}
@media (max-width:899px){.tier.pro{margin-top:14px}}
.notice{margin-top:22px;padding:22px 24px;border-radius:20px;background:rgba(13,15,42,.75);box-shadow:inset 0 0 0 1px var(--line)}
.notice h3{display:flex;align-items:center;gap:10px;margin:0 0 6px;font-size:26px}
.notice .ic{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--g-gold);color:#1a1004;font:800 italic 18px/1 var(--num)}
.notice p{margin:0 0 12px;color:var(--mute);font-size:14.5px}
.notice ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.notice li{position:relative;padding-left:34px;font-weight:600;font-size:15.5px;line-height:1.5}
.notice li::before{content:"";position:absolute;left:0;top:1px;width:22px;height:22px;border-radius:50%;background:#ff7a85 no-repeat center/12px}
.notice li.x::before{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M3 3l6 6M9 3l-6 6' stroke='%23140816' stroke-width='2.2' stroke-linecap='round'/%3E%3C/svg%3E")}
.notice li.y{color:var(--teal)}
.notice li.y::before{background-color:#6fd8ff;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 6.3l2.4 2.4L9.6 3.6' fill='none' stroke='%23071022' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}
/* 对比表价格 */
.cmp thead th .tp{display:block;margin-top:6px;font:800 italic 22px/1 var(--num);padding-right:.08em}
.cmp thead th.p{position:sticky}
.cmp thead th .plus{position:absolute;left:0;top:50%;transform:translate(-50%,-50%);font:800 italic 12px/1 var(--num);font-style:normal;padding:5px 7px;border-radius:99px;color:#1a1004;background:var(--g-gold);box-shadow:0 4px 14px -4px rgba(255,168,82,.9);white-space:nowrap}
.cmp tr.up td{padding:16px 10px 4px}
.upsell{position:relative;overflow:hidden;text-align:left;padding:18px 20px;border-radius:16px;background:linear-gradient(100deg,rgba(255,168,82,.22),rgba(255,168,82,.06));box-shadow:inset 0 0 0 1.5px rgba(255,209,140,.7)}
.upsell::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,transparent 35%,rgba(255,237,189,.25) 50%,transparent 65%);transform:translateX(-100%);animation:upshine 4s ease-in-out infinite}
@keyframes upshine{60%,100%{transform:translateX(100%)}}
.upsell .from{display:block;font-size:14px;color:var(--mute);font-weight:600}
.upsell .from b{font:800 italic 18px/1 var(--num);padding-right:.08em}
.upsell strong{display:block;margin-top:4px;font:400 clamp(24px,4vw,34px)/1.2 var(--head);color:#fff}
.upsell .n{font:800 italic 1.5em/1 var(--num);background:var(--g-gold);-webkit-background-clip:text;background-clip:text;color:transparent;padding-right:.08em}
@media (prefers-reduced-motion:reduce){.rec,.upsell::after{animation:none}}
@media (max-width:640px){.cmp thead th .plus{display:none}.cmp thead th small{font-size:10px}}