/* ============================================
   创途公社 · 克莱因蓝 v3.0 视觉
   中文字体优先 + 响应式 + 交互动效
   ============================================ */
:root{
  --klein:#002FA7;
  --klein-dark:#001F70;
  --klein-soft:#E8ECF7;
  --klein-mist:#F4F6FB;
  --klein-glow:rgba(0,47,167,.35);
  --klein-glow-soft:rgba(0,47,167,.12);
  --white:#FFFFFF;
  --paper:#FAFAF7;
  --ink:#1A1A1A;
  --gray:#8A92A0;
  --line:#E8E8E8;
  --dark:#0A1228;
  --dark-soft:#111935;
  --ease-out:cubic-bezier(.16,1,.3,1);
  --ease-snap:cubic-bezier(.4,0,.2,1);
  --ease-bounce:cubic-bezier(.34,1.56,.64,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Source Han Serif SC","思源宋体","Noto Serif SC","Source Han Sans CN","思源黑体","Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  letter-spacing:.02em;
  overflow-x:hidden;
  cursor:none;
}
h1,h2,h3,h4,.h-font{
  font-family:"Source Han Sans CN","思源黑体","Noto Sans SC","PingFang SC",-apple-system,sans-serif;
  letter-spacing:-.01em;
  font-weight:800;
}
a{color:inherit;text-decoration:none;cursor:none}
img{display:block;max-width:100%;height:auto}
button{font-family:inherit;cursor:none;border:none;background:none}
input,select,textarea{cursor:none}

/* ============================================
   加载屏
   ============================================ */
.loader{
  position:fixed;inset:0;z-index:10000;
  background:var(--dark);
  display:flex;align-items:center;justify-content:center;
  flex-direction:column;gap:24px;
  transition:opacity .6s var(--ease-out),visibility .6s;
}
.loader.hidden{opacity:0;visibility:hidden;pointer-events:none}
.loader-logo{
  font-family:"Source Han Sans CN","思源黑体",sans-serif;
  font-size:28px;font-weight:900;color:var(--klein);
  letter-spacing:8px;text-transform:uppercase;
  position:relative;
  animation:loaderPulse 1.4s var(--ease-out) infinite;
}
.loader-logo::after{
  content:"";position:absolute;bottom:-12px;left:0;right:0;
  height:2px;background:var(--klein);
  transform-origin:left;
  animation:loaderBar 1.4s var(--ease-out) infinite;
}
.loader-text{
  font-size:12px;color:rgba(255,255,255,.4);
  letter-spacing:4px;font-family:"Source Han Sans CN","思源黑体",sans-serif;
}
@keyframes loaderPulse{
  0%,100%{opacity:.5;transform:scale(.98)}
  50%{opacity:1;transform:scale(1)}
}
@keyframes loaderBar{
  0%{transform:scaleX(0)}
  50%{transform:scaleX(1)}
  100%{transform:scaleX(0);transform-origin:right}
}

/* ============================================
   滚动进度条
   ============================================ */
.scroll-progress{
  position:fixed;top:0;left:0;height:3px;width:0%;
  background:linear-gradient(90deg,var(--klein),var(--klein-dark));
  z-index:200;transition:width .1s linear;
  box-shadow:0 0 12px var(--klein-glow);
}

/* ============================================
   自定义光标
   ============================================ */
.cursor-dot{
  position:fixed;top:0;left:0;width:6px;height:6px;
  background:var(--klein);border-radius:50%;
  z-index:9998;pointer-events:none;
  transform:translate(-50%,-50%);
  transition:width .2s,height .2s,opacity .2s;
}
.cursor-ring{
  position:fixed;top:0;left:0;width:36px;height:36px;
  border:1.5px solid var(--klein);border-radius:50%;
  z-index:9998;pointer-events:none;
  transform:translate(-50%,-50%);
  transition:width .3s var(--ease-out),height .3s var(--ease-out),
             border-color .3s,background .3s,opacity .3s;
  opacity:.5;
}
.cursor-ring.hover{
  width:56px;height:56px;
  border-color:var(--klein);
  background:var(--klein-glow-soft);
  opacity:1;
}
.cursor-ring.click{
  width:24px;height:24px;
}
@media(hover:none){
  .cursor-dot,.cursor-ring{display:none}
  body,a,button,input,select,textarea{cursor:auto}
}

/* ============================================
   顶部固定栏
   ============================================ */
.topbar{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  padding:14px 0;
  transition:box-shadow .3s,padding .3s;
}
.topbar.scrolled{
  box-shadow:0 4px 30px rgba(0,0,0,.06);
  padding:10px 0;
}
.topbar-inner{
  max-width:1400px;margin:0 auto;padding:0 32px;
  display:flex;justify-content:space-between;align-items:center;gap:24px;
}
.topbar-brand{font-weight:800;font-size:15px;color:var(--dark);letter-spacing:.5px;font-family:"Source Han Sans CN","思源黑体",sans-serif;display:flex;align-items:center}
.brand-logo{height:72px;width:auto;display:block;transition:height .3s}
.topbar.scrolled .brand-logo{height:60px}
.topbar-links{display:flex;gap:28px;align-items:center;font-size:13px;color:var(--gray)}
.topbar-links a{position:relative;transition:color .2s;padding:4px 0}
.topbar-links a::after{
  content:"";position:absolute;bottom:0;left:0;width:0;height:1.5px;
  background:var(--klein);transition:width .3s var(--ease-out);
}
.topbar-links a:hover,.topbar-links a.active{color:var(--klein)}
.topbar-links a:hover::after,.topbar-links a.active::after{width:100%}
.topbar-cta{
  display:inline-block;padding:10px 24px;
  background:var(--klein);color:var(--white);
  font-weight:600;font-size:13px;letter-spacing:1px;
  border:1.5px solid var(--klein);transition:all .25s;
  font-family:"Source Han Sans CN","思源黑体",sans-serif;
  position:relative;overflow:hidden;
}
.topbar-cta::before{
  content:"";position:absolute;top:50%;left:50%;width:0;height:0;
  background:var(--white);border-radius:50%;
  transform:translate(-50%,-50%);
  transition:width .4s,height .4s;
}
.topbar-cta:hover{background:transparent;color:var(--klein)}
.topbar-cta:hover::before{width:300px;height:300px}
.topbar-cta span{position:relative;z-index:1}

/* 汉堡菜单按钮 */
.menu-toggle{
  display:none;width:32px;height:32px;
  flex-direction:column;justify-content:center;gap:6px;
  z-index:101;
}
.menu-toggle span{
  display:block;width:24px;height:2px;background:var(--dark);
  transition:all .3s var(--ease-out);
  transform-origin:center;
}
.menu-toggle.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.menu-toggle.open span:nth-child(2){opacity:0}
.menu-toggle.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* 移动端菜单 */
.mobile-menu{
  position:fixed;inset:0;z-index:99;
  background:var(--dark);
  display:flex;flex-direction:column;justify-content:center;align-items:center;
  gap:32px;
  opacity:0;visibility:hidden;
  transition:opacity .4s var(--ease-out),visibility .4s;
}
.mobile-menu.open{opacity:1;visibility:visible}
.mobile-menu a{
  font-size:24px;font-weight:700;color:var(--white);
  font-family:"Source Han Sans CN","思源黑体",sans-serif;
  letter-spacing:2px;
  opacity:0;transform:translateY(20px);
  transition:opacity .4s,transform .4s,color .2s;
}
.mobile-menu.open a{opacity:1;transform:translateY(0)}
.mobile-menu.open a:nth-child(1){transition-delay:.1s}
.mobile-menu.open a:nth-child(2){transition-delay:.15s}
.mobile-menu.open a:nth-child(3){transition-delay:.2s}
.mobile-menu.open a:nth-child(4){transition-delay:.25s}
.mobile-menu.open a:nth-child(5){transition-delay:.3s}
.mobile-menu.open a:nth-child(6){transition-delay:.35s}
.mobile-menu a:hover{color:var(--klein)}
.mobile-menu .mobile-cta{
  margin-top:16px;padding:14px 40px;
  background:var(--klein);color:var(--white);
  font-size:15px;letter-spacing:2px;
}

/* ============================================
   容器
   ============================================ */
.container{max-width:1200px;margin:0 auto;padding:0 32px;position:relative;z-index:2}
.container-wide{max-width:1400px;margin:0 auto;padding:0 32px}

/* ============================================
   滚动入场动画
   ============================================ */
.reveal{
  opacity:0;transform:translateY(40px);
  transition:opacity .8s var(--ease-out),transform .8s var(--ease-out);
}
.reveal.active{opacity:1;transform:translateY(0)}
.reveal-left{opacity:0;transform:translateX(-50px);transition:opacity .8s var(--ease-out),transform .8s var(--ease-out)}
.reveal-left.active{opacity:1;transform:translateX(0)}
.reveal-right{opacity:0;transform:translateX(50px);transition:opacity .8s var(--ease-out),transform .8s var(--ease-out)}
.reveal-right.active{opacity:1;transform:translateX(0)}
.reveal-scale{opacity:0;transform:scale(.92);transition:opacity .8s var(--ease-out),transform .8s var(--ease-out)}
.reveal-scale.active{opacity:1;transform:scale(1)}
.reveal-delay-1{transition-delay:.1s}
.reveal-delay-2{transition-delay:.2s}
.reveal-delay-3{transition-delay:.3s}
.reveal-delay-4{transition-delay:.4s}
.reveal-delay-5{transition-delay:.5s}

/* ============================================
   1. HERO
   ============================================ */
.hero{
  min-height:100vh;display:flex;flex-direction:column;justify-content:center;
  position:relative;background:var(--dark);padding:160px 0 100px;overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;
  background:url(assets/hero-bg.jpg) no-repeat center center;
  background-size:cover;
  opacity:.5;
  animation:heroBgZoom 20s ease-in-out infinite alternate;
}
@keyframes heroBgZoom{
  0%{transform:scale(1)}
  100%{transform:scale(1.1)}
}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,18,40,.7) 0%,rgba(10,18,40,.85) 50%,rgba(10,18,40,.95) 100%);
}
.hero::before{
  content:"";position:absolute;top:15%;right:-100px;width:480px;height:480px;
  border:1px solid var(--klein);border-radius:50%;opacity:.15;pointer-events:none;
  animation:floatCircle 8s ease-in-out infinite;
}
.hero::after{
  content:"";position:absolute;bottom:10%;left:-60px;width:280px;height:280px;
  border:1px solid var(--klein);border-radius:50%;opacity:.1;pointer-events:none;
  animation:floatCircle 10s ease-in-out infinite reverse;
}
@keyframes floatCircle{
  0%,100%{transform:translate(0,0)}
  50%{transform:translate(20px,-30px)}
}
.hero-tag{
  color:var(--klein);font-size:12px;letter-spacing:6px;margin-bottom:32px;
  font-weight:600;font-family:"Source Han Sans CN","思源黑体",sans-serif;
}
.hero-tag span{color:rgba(255,255,255,.4);margin-left:12px;letter-spacing:1px}
.hero h1{
  font-size:clamp(48px,8vw,108px);color:var(--white);line-height:1.05;
  margin-bottom:32px;letter-spacing:-3px;
}
.hero h1 .klein{color:var(--klein)}
.hero-sub{
  font-size:clamp(18px,2vw,22px);color:rgba(255,255,255,.7);
  max-width:780px;margin-bottom:48px;line-height:1.85;
}
.hero-metas{
  display:grid;grid-template-columns:repeat(3,1fr);gap:32px;max-width:780px;
}
.hero-meta{padding-left:16px;border-left:2px solid var(--klein);font-size:14px;color:rgba(255,255,255,.5);line-height:1.7}
.hero-meta strong{color:var(--white);font-weight:600;display:block;margin-bottom:4px;font-size:13px;letter-spacing:1px;font-family:"Source Han Sans CN","思源黑体",sans-serif}

/* Hero 文字逐行动画 */
.hero-text-line{display:block;overflow:hidden}
.hero-text-inner{
  display:block;transform:translateY(100%);
  transition:transform 1s var(--ease-out);
}
.hero.loaded .hero-text-inner{transform:translateY(0)}
.hero.loaded .hero-text-line:nth-child(2) .hero-text-inner{transition-delay:.15s}

/* Hero 元素淡入 */
.hero-fade{opacity:0;transform:translateY(20px);transition:opacity .8s var(--ease-out),transform .8s var(--ease-out)}
.hero.loaded .hero-fade{opacity:1;transform:translateY(0)}
.hero.loaded .hero-fade-1{transition-delay:.3s}
.hero.loaded .hero-fade-2{transition-delay:.5s}
.hero.loaded .hero-fade-3{transition-delay:.7s}

/* 滚动提示 */
.scroll-hint{
  position:absolute;bottom:40px;left:50%;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:8px;
  color:rgba(255,255,255,.3);font-size:11px;letter-spacing:3px;
  font-family:"Source Han Sans CN","思源黑体",sans-serif;
  opacity:0;transition:opacity .8s var(--ease-out) 1s;
}
.hero.loaded .scroll-hint{opacity:1}
.scroll-hint-line{
  width:1px;height:40px;background:linear-gradient(180deg,var(--klein),transparent);
  animation:scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine{
  0%{transform:scaleY(0);transform-origin:top}
  50%{transform:scaleY(1);transform-origin:top}
  51%{transform:scaleY(1);transform-origin:bottom}
  100%{transform:scaleY(0);transform-origin:bottom}
}

/* ============================================
   SECTION 通用
   ============================================ */
section{padding:90px 0;position:relative;overflow:hidden}
.section-num{
  font-size:12px;color:var(--klein);letter-spacing:6px;margin-bottom:24px;
  font-weight:600;font-family:"Source Han Sans CN","思源黑体",sans-serif;
}
.section-num span{color:var(--gray);margin-left:8px;letter-spacing:1px;font-weight:500}
.section-title{
  font-size:clamp(32px,5vw,60px);color:var(--dark);margin-bottom:48px;
  letter-spacing:-1.5px;line-height:1.2;max-width:1000px;
}
.section-title .klein{color:var(--klein)}
.section-body{
  font-size:17px;color:var(--ink);line-height:1.9;max-width:920px;
  margin-bottom:48px;
}
.section-body p{margin-bottom:24px}
.section-body p:last-child{margin-bottom:0}
.section-body .quote{
  color:var(--dark);font-weight:500;font-size:20px;line-height:1.85;
  padding:24px 0 24px 24px;border-left:3px solid var(--klein);
  margin:32px 0;
}

/* ============================================
   2. 公社介绍
   ============================================ */
.intro{background:var(--paper);position:relative}
.intro::before{
  content:"";position:absolute;top:0;right:0;width:50%;height:100%;
  background:url(assets/pattern-bg.jpg) no-repeat center center;
  background-size:cover;opacity:.04;pointer-events:none;
}
.roles{
  display:grid;grid-template-columns:repeat(2,1fr);gap:48px;margin-top:64px;
  border-top:1px solid var(--line);
}
.role{padding:48px 32px 48px 0;border-right:1px solid var(--line);transition:transform .4s var(--ease-out)}
.role:last-child{border-right:none;padding-right:0}
.role:hover{transform:translateY(-4px)}
.role .role-tag{font-size:12px;color:var(--klein);letter-spacing:3px;margin-bottom:16px;font-weight:700;font-family:"Source Han Sans CN","思源黑体",sans-serif}
.role h3{font-size:26px;font-weight:800;color:var(--dark);margin-bottom:20px;line-height:1.3}
.role p{font-size:16px;color:var(--ink);line-height:1.95}
.role .role-translate{
  display:block;margin-top:16px;padding:12px 16px;background:var(--white);
  border-left:2px solid var(--klein);font-size:14px;color:var(--gray);
  line-height:1.7;font-style:normal;
}

/* ============================================
   3. 在公社里的一天
   ============================================ */
.day{background:var(--white);position:relative}
.day-timeline{margin-top:48px;display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);position:relative}
.day-timeline::before{
  content:"";position:absolute;top:-1px;left:0;height:2px;
  background:var(--klein);width:0;
  transition:width 1.5s var(--ease-out);
}
.day-timeline.active::before{width:100%}
.day-scene{padding:48px 32px 56px 0;border-right:1px solid var(--line);position:relative;transition:opacity .6s,transform .6s}
.day-scene:last-child{border-right:none;padding-right:0}
.day-scene.inactive{opacity:.3;transform:scale(.98)}
.day-scene .scene-time{font-size:13px;color:var(--klein);letter-spacing:2px;margin-bottom:20px;font-weight:700;font-family:"Source Han Sans CN","思源黑体",sans-serif}
.day-scene h3{font-size:24px;font-weight:800;color:var(--dark);margin-bottom:20px;line-height:1.3}
.day-scene p{font-size:15px;color:var(--ink);line-height:1.95;margin-bottom:16px}
.day-scene .day-quote{
  margin-top:24px;padding-top:20px;border-top:1px solid var(--line);
  font-size:14px;color:var(--gray);line-height:1.85;font-style:italic;
}
.postures{margin-top:56px;border-top:1px solid var(--line);padding-top:40px}
.postures-label{font-size:13px;color:var(--klein);letter-spacing:3px;margin-bottom:20px;font-weight:700;font-family:"Source Han Sans CN","思源黑体",sans-serif}
.postures-list{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.posture{padding:20px 18px;background:var(--klein-mist);border-radius:6px;transition:background .3s,transform .3s}
.posture:hover{background:var(--klein-soft);transform:translateY(-2px)}
.posture strong{display:block;font-size:14px;color:var(--dark);font-weight:700;margin-bottom:6px;font-family:"Source Han Sans CN","思源黑体",sans-serif}
.posture span{font-size:13px;color:var(--gray);line-height:1.6}

/* ============================================
   4. 公社是什么
   ============================================ */
.what{background:var(--white);position:relative}
.what-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border-top:1px solid var(--line);margin-top:64px}
.what-item{padding:48px 32px 56px 0;border-right:1px solid var(--line);border-bottom:1px solid var(--line);transition:background .3s}
.what-item:nth-child(2n){border-right:none;padding-right:0}
.what-item:nth-last-child(-n+2){border-bottom:none}
.what-item:hover{background:var(--klein-mist)}
.what-item .item-num{font-size:13px;color:var(--klein);letter-spacing:3px;margin-bottom:16px;font-weight:700;font-family:"Source Han Sans CN","思源黑体",sans-serif}
.what-item h3{font-size:22px;font-weight:800;color:var(--dark);margin-bottom:14px;line-height:1.3}
.what-item p{font-size:15px;color:var(--ink);line-height:1.9}

/* 核心价值观 */
.core-value{
  margin-top:96px;padding:64px 56px;
  background:var(--dark);color:var(--white);
  position:relative;overflow:hidden;
}
.core-value::before{
  content:"";position:absolute;top:-50%;right:-10%;width:600px;height:600px;
  border:1px solid var(--klein);border-radius:50%;opacity:.3;pointer-events:none;
  animation:floatCircle 12s ease-in-out infinite;
}
.core-value::after{
  content:"";position:absolute;bottom:-30%;left:-5%;width:400px;height:400px;
  border:1px solid var(--klein);border-radius:50%;opacity:.15;pointer-events:none;
  animation:floatCircle 15s ease-in-out infinite reverse;
}
.core-value .cv-tag{font-size:13px;color:var(--klein);letter-spacing:6px;margin-bottom:16px;font-weight:700;font-family:"Source Han Sans CN","思源黑体",sans-serif}
.core-value h3{font-size:36px;font-weight:800;margin-bottom:24px;letter-spacing:-1px;line-height:1.3;color:var(--white)}
.core-value p{font-size:16px;line-height:2;color:rgba(255,255,255,.85);margin-bottom:16px;max-width:920px}
.core-value .cv-table{margin-top:40px;border:1px solid rgba(255,255,255,.15);border-collapse:collapse;width:100%;font-size:14px}
.core-value .cv-table th,.core-value .cv-table td{padding:14px 18px;text-align:left;border-bottom:1px solid rgba(255,255,255,.1)}
.core-value .cv-table th{background:rgba(0,47,167,.3);color:var(--white);font-weight:600;letter-spacing:1px;font-size:12px;font-family:"Source Han Sans CN","思源黑体",sans-serif}
.core-value .cv-table td{color:rgba(255,255,255,.9)}
.core-value .cv-table tr:last-child td{border-bottom:none}
.core-value .cv-highlight{color:var(--klein);font-weight:600}

.trust{margin-top:64px;padding:32px;background:var(--paper);border:1px solid var(--line);font-size:14px;color:var(--gray);line-height:1.95}
.trust strong{color:var(--klein);font-weight:600}

/* ============================================
   5. 首批七类 AI 艺术家
   ============================================ */
.artists{background:var(--paper);position:relative}
.artists-intro{font-size:18px;color:var(--ink);line-height:2;max-width:920px;margin-bottom:80px}

.type-block{margin-bottom:96px}
.type-block:last-child{margin-bottom:0}
.type-head{
  display:grid;grid-template-columns:1fr 1.5fr;gap:64px;
  margin-bottom:40px;align-items:start;
}
.type-num{font-size:13px;color:var(--klein);letter-spacing:6px;margin-bottom:16px;font-weight:600;font-family:"Source Han Sans CN","思源黑体",sans-serif}
.type-name{font-size:42px;font-weight:800;color:var(--dark);margin-bottom:12px;letter-spacing:-1px;line-height:1.2}
.type-name .klein{color:var(--klein)}
.type-en{font-size:13px;color:var(--gray);letter-spacing:3px;font-family:"Source Han Sans CN","思源黑体",sans-serif}
.type-intro{
  font-size:17px;color:var(--klein);line-height:2;
  padding:14px 20px 14px 24px;
  border-left:3px solid var(--klein);
  background:var(--klein-mist);
  border-radius:0 6px 6px 0;
  font-family:"Source Han Serif SC","思源宋体","Noto Serif SC",serif;
  font-style:italic;font-weight:500;
  position:relative;
}

.artist-list{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);margin-top:24px}
.artist-card{
  padding:24px 24px 28px 0;border-right:1px solid var(--line);
  transition:transform .4s var(--ease-out),background .3s;
  transform-style:preserve-3d;
  perspective:1000px;
}
.artist-card:hover{background:rgba(0,47,167,.02)}
.artist-card:last-child{border-right:none;padding-right:0}
.artist-card:nth-child(3n){border-right:none;padding-right:0}
.artist-card .a-portrait{
  width:100%;height:360px;overflow:hidden;margin-bottom:20px;
  background:var(--white);display:block;
  cursor:none;background-size:cover;background-position:center top;
  border-radius:6px;
  box-shadow:0 2px 16px rgba(0,0,0,.06);
  transition:transform .35s var(--ease-out),box-shadow .35s var(--ease-out);
  position:relative;
}
/* hover "点击查看" 提示层 */
.artist-card .a-portrait::after{
  content:"";position:absolute;inset:0;
  background:rgba(10,18,40,.55);
  opacity:0;transition:opacity .3s var(--ease-out);
  z-index:2;
}
.artist-card .a-portrait:hover::after{opacity:1}
.artist-card .a-portrait::before{
  content:"点击查看";
  position:absolute;top:50%;left:50%;
  transform:translate(-50%,-50%) scale(.8);
  z-index:3;
  color:var(--white);
  font-size:14px;letter-spacing:3px;font-weight:600;
  font-family:"Source Han Sans CN","思源黑体",sans-serif;
  opacity:0;
  transition:opacity .3s var(--ease-out),transform .3s var(--ease-out);
  white-space:nowrap;
  padding:10px 28px;
  border:1px solid rgba(255,255,255,.3);
  background:rgba(0,47,167,.85);
}
.artist-card .a-portrait:hover::before{
  opacity:1;
  transform:translate(-50%,-50%) scale(1);
}
.artist-card .a-portrait:hover{
  transform:scale(1.02);
  box-shadow:0 12px 40px rgba(0,47,167,.15);
}

/* ============================================
   章节插图样式
   ============================================ */
.scene-img{
  width:100%;height:220px;object-fit:cover;margin-bottom:20px;
  border:1px solid var(--line);
  transition:transform .4s var(--ease-out),box-shadow .4s var(--ease-out),filter .4s var(--ease-out),border-color .4s var(--ease-out);
}
.day-scene:hover .scene-img{
  transform:translateY(-6px) scale(1.02);
  box-shadow:0 12px 36px rgba(0,47,167,.15);
  filter:brightness(1.05);
  border-color:var(--klein-glow-soft);
}
.section-img{
  margin:0;text-align:center;
}
.section-img img{
  width:100%;max-width:1080px;height:auto;margin:0 auto;
  border-radius:8px;
  box-shadow:0 4px 24px rgba(0,0,0,.08);
  transition:transform .5s var(--ease-out),box-shadow .5s var(--ease-out),filter .5s var(--ease-out);
}
.section-img:hover img{
  transform:translateY(-6px) scale(1.02);
  box-shadow:0 20px 56px rgba(0,47,167,.18);
  filter:brightness(1.03) saturate(1.05);
}
.cv-img{margin:0;text-align:center}
.cv-img img{
  width:100%;max-width:880px;height:auto;margin:0 auto;
  border-radius:8px;
  box-shadow:0 4px 24px rgba(0,0,0,.3);
  transition:transform .5s var(--ease-out),box-shadow .5s var(--ease-out),filter .5s var(--ease-out);
}
.cv-img:hover img{
  transform:translateY(-6px) scale(1.02);
  box-shadow:0 20px 56px rgba(0,47,167,.2);
  filter:brightness(1.05);
}
.future .section-img img{
  box-shadow:0 4px 24px rgba(0,0,0,.4);
}
@media(max-width:968px){
  .scene-img{margin-bottom:16px;height:180px}
  .section-img img{max-width:100%}
  .artist-card .a-portrait{height:300px}
}

/* Lightbox */
.lightbox{position:fixed;inset:0;z-index:9999;background:rgba(10,18,40,.94);display:none;align-items:center;justify-content:center;padding:40px;cursor:zoom-out;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.lightbox.show{display:flex;animation:fadeIn .3s ease}
.lightbox img{max-width:100%;max-height:100%;object-fit:contain;border-radius:8px;box-shadow:0 30px 80px rgba(0,0,0,.5);animation:scaleIn .4s var(--ease-out)}
.lightbox-caption{position:absolute;bottom:32px;left:50%;transform:translateX(-50%);color:rgba(255,255,255,.7);font-size:13px;letter-spacing:2px;font-family:"Source Han Sans CN","思源黑体",sans-serif}
.lightbox-close{position:absolute;top:24px;right:32px;width:44px;height:44px;border:1px solid rgba(255,255,255,.2);color:rgba(255,255,255,.85);display:flex;align-items:center;justify-content:center;font-size:20px;cursor:pointer;transition:all .2s;background:transparent}
.lightbox-close:hover{background:rgba(255,255,255,.1);color:#fff;transform:rotate(90deg)}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes scaleIn{from{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}

/* ============================================
   6. 公社计划
   ============================================ */
.future{background:var(--dark);color:var(--white);position:relative;overflow:hidden}
.future-bg{
  position:absolute;inset:0;
  background:url(assets/dark-bg.jpg) no-repeat center center;
  background-size:cover;opacity:.2;pointer-events:none;
}
.future .section-num{color:var(--klein)}
.future .section-title{color:var(--white)}
.future-intro{font-size:18px;line-height:2;color:rgba(255,255,255,.85);max-width:920px;margin-bottom:80px}
.future-list{display:grid;grid-template-columns:repeat(2,1fr);gap:48px;border-top:1px solid rgba(255,255,255,.2);padding-top:64px}
.future-item{transition:transform .4s var(--ease-out)}
.future-item:hover{transform:translateY(-6px)}
.future-item h3{font-size:24px;font-weight:800;color:var(--white);margin-bottom:16px;line-height:1.3;letter-spacing:-0.5px}
.future-item h3::before{content:"→ ";color:var(--klein);margin-right:8px}
.future-item p{font-size:15px;color:rgba(255,255,255,.8);line-height:1.95}
.future-item.highlight{grid-column:1/-1;padding:32px;background:rgba(0,47,167,.15);border:1px solid rgba(0,47,167,.4)}
.future-item.highlight h3{color:var(--klein)}

/* ============================================
   7. 如何具体调用艺术家
   ============================================ */
.howto{background:var(--white)}
.howto-steps{margin-top:80px;border-top:1px solid var(--line)}
.howto-step{display:grid;grid-template-columns:120px 1fr;gap:48px;padding:48px 0;border-bottom:1px solid var(--dark);align-items:start;transition:padding .3s}
.howto-step:hover{padding-left:16px}
.howto-step .step-num{font-size:56px;font-weight:900;color:var(--klein);line-height:1;letter-spacing:-2px;font-family:"Source Han Sans CN","思源黑体",sans-serif;transition:transform .3s var(--ease-out)}
.howto-step:hover .step-num{transform:scale(1.1)}
.howto-step h3{font-size:26px;font-weight:800;color:var(--dark);margin-bottom:16px;line-height:1.3}
.howto-step p{font-size:16px;color:var(--ink);line-height:1.95;margin-bottom:12px}
.howto-step .step-detail{font-size:14px;color:var(--gray);line-height:1.85;padding:16px 20px;background:var(--paper);border-left:2px solid var(--klein);margin-top:16px}

.howto-modes{margin-top:80px;padding-top:64px;border-top:1px solid var(--line)}
.howto-modes h3{font-size:28px;font-weight:800;color:var(--dark);margin-bottom:32px}
.modes-table{width:100%;border-collapse:collapse;font-size:14px;background:var(--white);border:1px solid var(--line)}
.modes-table th,.modes-table td{padding:18px 20px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.modes-table th{background:var(--paper);color:var(--dark);font-weight:700;letter-spacing:1px;font-size:12px;font-family:"Source Han Sans CN","思源黑体",sans-serif}
.modes-table td{color:var(--ink);line-height:1.7}
.modes-table tr:last-child td{border-bottom:none}
.modes-table tr{transition:background .2s}
.modes-table tbody tr:hover{background:var(--klein-mist)}
.modes-table .mode-new{background:rgba(0,47,167,.05);font-weight:600}
.modes-table .mode-new td:first-child::before{content:"🆕 ";color:var(--klein)}

.howto-supports{margin-top:80px;padding-top:64px;border-top:1px solid var(--line)}
.howto-supports h3{font-size:28px;font-weight:800;color:var(--dark);margin-bottom:32px}
.supports-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px}
.support{padding:28px;background:var(--paper);border-left:3px solid var(--klein);transition:transform .3s var(--ease-out),box-shadow .3s}
.support:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(0,47,167,.1)}
.support h4{font-size:18px;font-weight:800;color:var(--dark);margin-bottom:10px;line-height:1.3}
.support p{font-size:14px;color:var(--ink);line-height:1.85}

/* ============================================
   8. FAQ (手风琴)
   ============================================ */
.faq{background:var(--paper)}
.faq-list{margin-top:64px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);overflow:hidden}
.faq-item .faq-q{
  font-size:18px;font-weight:700;color:var(--dark);margin-bottom:0;
  line-height:1.4;padding:28px 48px 28px 0;position:relative;
  cursor:none;transition:color .2s;
}
.faq-item .faq-q::before{content:"Q. ";color:var(--klein);font-weight:800}
.faq-item .faq-q:hover{color:var(--klein)}
.faq-item .faq-icon{
  position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:28px;height:28px;
  transition:transform .3s var(--ease-out);
}
.faq-item .faq-icon::before,
.faq-item .faq-icon::after{
  content:"";position:absolute;top:50%;left:50%;
  background:var(--klein);
  transition:transform .3s var(--ease-out);
}
.faq-item .faq-icon::before{width:14px;height:2px;transform:translate(-50%,-50%)}
.faq-item .faq-icon::after{width:2px;height:14px;transform:translate(-50%,-50%)}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) scaleY(0)}
.faq-a-wrap{
  max-height:0;overflow:hidden;
  transition:max-height .4s var(--ease-out);
}
.faq-item.open .faq-a-wrap{max-height:300px}
.faq-item .faq-a{font-size:15px;color:var(--ink);line-height:1.95;padding:0 48px 28px 28px}
.faq-item .faq-a::before{content:"A. ";color:var(--klein);font-weight:800;margin-right:8px}

/* ============================================
   9. 加入公社
   ============================================ */
.join{background:var(--dark);color:var(--white);padding:140px 0 80px;position:relative;overflow:hidden}
.join::before{
  content:"";position:absolute;top:-20%;right:-10%;width:500px;height:500px;
  border:1px solid var(--klein);border-radius:50%;opacity:.1;pointer-events:none;
  animation:floatCircle 14s ease-in-out infinite;
}
.join .section-num{color:var(--klein)}
.join .section-title{color:var(--white)}
.join-intro{color:rgba(255,255,255,.85);font-size:18px;max-width:680px;margin-bottom:48px;line-height:1.95}
.join-flow{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid rgba(255,255,255,.2);padding-top:48px;margin-bottom:80px}
.join-step{padding:32px 32px 32px 0;border-right:1px solid rgba(255,255,255,.15);transition:transform .3s var(--ease-out)}
.join-step:last-child{border-right:none;padding-right:0}
.join-step:hover{transform:translateY(-4px)}
.join-step .step-no{font-size:13px;color:var(--klein);letter-spacing:3px;margin-bottom:12px;font-weight:700;font-family:"Source Han Sans CN","思源黑体",sans-serif}
.join-step h4{font-size:20px;font-weight:800;color:var(--white);margin-bottom:8px;line-height:1.3}
.join-step p{font-size:14px;color:rgba(255,255,255,.7);line-height:1.7}

.join-form{max-width:680px;background:rgba(255,255,255,.04);padding:48px;border:1px solid rgba(255,255,255,.12);position:relative;overflow:hidden}
.join-form::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--klein),transparent);
  animation:formGlow 3s ease-in-out infinite;
}
@keyframes formGlow{
  0%,100%{opacity:.3;transform:translateX(-100%)}
  50%{opacity:1;transform:translateX(100%)}
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:24px}
.form-field{margin-bottom:20px}
.form-field label{display:block;font-size:12px;color:rgba(255,255,255,.6);margin-bottom:8px;letter-spacing:2px;font-weight:600;font-family:"Source Han Sans CN","思源黑体",sans-serif}
.form-field label .req{color:var(--klein)}
.form-field input,.form-field select{
  width:100%;padding:14px 0;background:transparent;border:none;
  border-bottom:1px solid rgba(255,255,255,.2);color:var(--white);
  font-size:15px;font-family:inherit;outline:none;transition:border-color .3s;
}
.form-field input::placeholder{color:rgba(255,255,255,.35)}
.form-field input:focus,.form-field select:focus{border-bottom-color:var(--klein)}
.form-field select{cursor:pointer;appearance:none;background-image:linear-gradient(45deg,transparent 50%,rgba(255,255,255,.6) 50%),linear-gradient(135deg,rgba(255,255,255,.6) 50%,transparent 50%);background-position:calc(100% - 14px) 24px,calc(100% - 8px) 24px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.form-field select option{background:var(--dark);color:var(--white)}
.form-checks{display:flex;flex-wrap:wrap;gap:12px}
.form-check{padding:8px 16px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.15);font-size:13px;color:rgba(255,255,255,.85);cursor:pointer;transition:all .2s;user-select:none}
.form-check:hover{border-color:var(--klein)}
.form-check.active{background:var(--klein);border-color:var(--klein);color:var(--white)}
.form-submit{
  background:var(--klein);color:var(--white);border:2px solid var(--klein);
  padding:18px 48px;font-size:14px;font-weight:700;letter-spacing:2px;
  margin-top:24px;transition:all .3s;width:100%;
  font-family:"Source Han Sans CN","思源黑体",sans-serif;
  position:relative;overflow:hidden;
}
.form-submit::before{
  content:"";position:absolute;top:50%;left:50%;width:0;height:0;
  background:rgba(255,255,255,.2);border-radius:50%;
  transform:translate(-50%,-50%);
  transition:width .5s,height .5s;
}
.form-submit:hover{background:var(--klein-dark);border-color:var(--klein-dark);box-shadow:0 8px 30px var(--klein-glow)}
.form-submit:hover::before{width:400px;height:400px}
.form-submit span{position:relative;z-index:1}

/* ============================================
   回到顶部按钮
   ============================================ */
.back-to-top{
  position:fixed;bottom:32px;right:32px;
  width:48px;height:48px;
  background:var(--klein);color:var(--white);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:bold;
  z-index:90;
  opacity:0;visibility:hidden;
  transform:translateY(20px);
  transition:all .4s var(--ease-out);
  box-shadow:0 4px 20px var(--klein-glow);
}
.back-to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-to-top:hover{background:var(--klein-dark);transform:translateY(-4px) scale(1.05)}

/* ============================================
   Footer
   ============================================ */
.footer{padding:60px 0 40px;background:var(--dark);color:rgba(255,255,255,.6);font-size:13px;border-top:1px solid rgba(255,255,255,.08)}
.footer-inner{max-width:1400px;margin:0 auto;padding:0 32px;display:grid;grid-template-columns:1fr 1fr;gap:32px}
.footer-tagline{font-size:13px;color:rgba(255,255,255,.6);line-height:1.7;margin-top:8px}
.footer h5{font-size:12px;color:var(--white);font-weight:600;letter-spacing:2px;margin-bottom:16px;font-family:"Source Han Sans CN","思源黑体",sans-serif}
.footer ul{list-style:none}
.footer li{margin-bottom:8px;line-height:1.7}
.footer li a{color:rgba(255,255,255,.7);transition:color .2s}
.footer li a:hover{color:var(--white)}
.footer-bottom{
  max-width:1400px;margin:40px auto 0;padding:24px 32px 0;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;
  color:rgba(255,255,255,.4);font-size:12px;
}

/* ============================================
   数字计数器
   ============================================ */
.count-up{display:inline-block}

/* ============================================
   移动端适配
   ============================================ */
@media(max-width:968px){
  .container,.container-wide{padding:0 20px}
  .topbar-inner{padding:0 20px}
  .topbar-links{display:none}
  .topbar-cta{display:none}
  .menu-toggle{display:flex}
  .brand-logo{height:56px}
  .topbar.scrolled .brand-logo{height:48px}
  .hero{padding:120px 0 80px;min-height:auto}
  .hero::before,.hero::after{display:none}
  .hero h1{letter-spacing:-1.5px}
  .hero-sub{font-size:17px}
  .hero-metas{grid-template-columns:1fr;gap:16px}
  section{padding:80px 0}
  .section-body{font-size:16px;line-height:1.95}
  .roles{grid-template-columns:1fr;gap:0}
  .role{border-right:none;border-bottom:1px solid var(--line);padding:32px 0}
  .role:last-child{border-bottom:none}
  .day-timeline{grid-template-columns:1fr;gap:0}
  .day-scene{border-right:none;border-bottom:1px solid var(--line);padding:32px 0}
  .day-scene:last-child{border-bottom:none}
  .postures-list{grid-template-columns:repeat(2,1fr);gap:12px}
  .posture{padding:20px 16px}
  .what-list{grid-template-columns:1fr;gap:0}
  .what-item{border-right:none;border-bottom:1px solid var(--line);padding:32px 0}
  .what-item:nth-child(2n){border-right:none;padding:32px 0}
  .what-item:last-child{border-bottom:none}
  .core-value{padding:40px 28px}
  .core-value h3{font-size:26px}
  .core-value .cv-table{font-size:12px}
  .core-value .cv-table th,.core-value .cv-table td{padding:10px 12px}
  .type-head{grid-template-columns:1fr;gap:24px;margin-bottom:24px}
  .type-name{font-size:32px}
  .artist-list{grid-template-columns:1fr;gap:0}
  .artist-card{border-right:none;border-bottom:1px solid var(--line);padding:20px 0}
  .artist-card:last-child{border-bottom:none}
  .future-list{grid-template-columns:1fr;gap:32px;padding-top:40px}
  .howto-step{grid-template-columns:60px 1fr;gap:24px;padding:32px 0}
  .howto-step .step-num{font-size:36px}
  .howto-step h3{font-size:20px}
  .modes-table{font-size:12px}
  .modes-table th,.modes-table td{padding:12px 14px}
  .supports-grid{grid-template-columns:1fr;gap:20px}
  .join-flow{grid-template-columns:1fr;gap:0;padding-top:32px}
  .join-step{border-right:none;border-bottom:1px solid rgba(255,255,255,.15);padding:24px 0}
  .join-step:last-child{border-bottom:none}
  .join-form{padding:32px 24px}
  .form-row{grid-template-columns:1fr;gap:0}
  .footer-inner{grid-template-columns:1fr;gap:32px;padding:0 20px}
  .footer-bottom{padding:24px 20px 0;flex-direction:column;align-items:flex-start}
  .back-to-top{bottom:20px;right:20px;width:40px;height:40px;font-size:16px}
}