/* ==========================================================
   Ben Qi — Swiss Banknote Concept J
   Palette: #ffffff #f7eaf3 #edc4d8 #cde3d3 #6eb169 #397c52
   ========================================================== */
:root{
  --white:#ffffff;
  --pink-lt:#f7eaf3;
  --pink:#edc4d8;
  --mint:#cde3d3;
  --green:#6eb169;
  --green-dk:#397c52;
  --ink:#25382e;
  --ink-soft:#5b6f63;
  --serif:"Fraunces","Noto Serif SC",serif;
  --sans:"Space Grotesk","Noto Sans SC",sans-serif;
  --radius:22px;
  --shadow:0 10px 30px rgba(57,124,82,.12);
  --shadow-lg:0 24px 60px rgba(57,124,82,.18);
  --ease:cubic-bezier(.22,1,.36,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--white);
  overflow-x:hidden;
  line-height:1.7;
}
::selection{background:var(--pink);color:var(--green-dk)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer}

/* ---------- 滚动进度条 ---------- */
#progress{
  position:fixed;top:0;left:0;height:4px;width:0;z-index:1002;
  background:linear-gradient(90deg,var(--pink),var(--green));
  border-radius:0 4px 4px 0;
}

/* ---------- 自定义光标 ---------- */
.cursor-dot,.cursor-ring{
  position:fixed;top:0;left:0;pointer-events:none;z-index:1003;
  border-radius:50%;transform:translate(-50%,-50%);
  transition:width .25s,height .25s,background .25s,opacity .3s;
}
.cursor-dot{width:8px;height:8px;background:var(--green-dk)}
.cursor-ring{
  width:36px;height:36px;border:1.5px solid var(--green);
  transition:transform .15s ease-out,width .25s,height .25s,background .25s;
}
.cursor-ring.hovering{width:56px;height:56px;background:rgba(237,196,216,.35);border-color:var(--pink)}
@media (hover:none),(pointer:coarse){.cursor-dot,.cursor-ring{display:none}}

/* ---------- 导航 ---------- */
.nav{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:min(1160px,92vw);z-index:1000;
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 22px;border-radius:60px;
  background:rgba(255,255,255,.82);backdrop-filter:blur(14px);
  border:1px solid rgba(57,124,82,.14);
  box-shadow:var(--shadow);
}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
  background:var(--green-dk);color:var(--pink-lt);
  font-family:var(--serif);font-weight:700;font-size:1.05rem;letter-spacing:.5px;
  transition:transform .4s var(--ease);cursor:pointer;
}
.brand-mark:hover{transform:rotate(-12deg) scale(1.08)}
.brand-text{font-family:var(--serif);font-style:italic;font-size:1.15rem;color:var(--green-dk)}
.nav-links{display:flex;gap:6px}
.nav-links a{
  position:relative;padding:9px 18px;border-radius:40px;
  font-size:.88rem;letter-spacing:.06em;text-transform:uppercase;
  color:var(--ink-soft);transition:color .3s,background .3s;
}
.nav-links a:hover{color:var(--green-dk);background:var(--pink-lt)}
.nav-links a.active{color:var(--green-dk);background:var(--mint);font-weight:600}
.nav-links a.active::after{
  content:"✦";position:absolute;top:-7px;right:4px;font-size:.6rem;color:var(--pink);
}
.nav-toggle{display:none;background:none;border:none;font-size:1.4rem;color:var(--green-dk)}

/* ---------- 通用布局 ---------- */
.wrap{width:min(1160px,92vw);margin:0 auto}
section{padding:96px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.78rem;letter-spacing:.28em;text-transform:uppercase;
  color:var(--green-dk);font-weight:600;margin-bottom:18px;
}
.eyebrow::before{content:"+";font-size:1.1rem;color:var(--pink)}
.h-serif{
  font-family:var(--serif);font-weight:600;line-height:1.12;
  font-size:clamp(2rem,4.6vw,3.4rem);letter-spacing:-.01em;
}
.h-serif em{font-style:italic;color:var(--green)}
.lead{max-width:720px;color:var(--ink-soft);font-size:1.06rem;margin-top:20px}

/* ---------- 揭示动画 ---------- */
.reveal{opacity:0;transform:translateY(36px);transition:opacity .8s var(--ease),transform .8s var(--ease);transition-delay:var(--d,0s)}
.reveal.show{opacity:1;transform:none}

/* ---------- HERO（纸币风） ---------- */
.hero{
  min-height:100svh;display:grid;align-items:center;position:relative;
  padding:140px 0 80px;overflow:hidden;
}
.hero-bg{position:absolute;inset:0;overflow:hidden;z-index:-1}
.hero-bg svg{position:absolute;width:130%;left:-15%}
.wave-1{top:6%;opacity:.55}
.wave-2{bottom:2%;opacity:.5}
.blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5;animation:drift 14s ease-in-out infinite alternate}
.blob.p{width:420px;height:420px;background:var(--pink);top:-90px;right:-70px}
.blob.m{width:360px;height:360px;background:var(--mint);bottom:-60px;left:-80px;animation-delay:-6s}
@keyframes drift{to{transform:translate(40px,30px) scale(1.1)}}

.denom{
  font-family:var(--serif);font-weight:700;
  font-size:clamp(7rem,20vw,15rem);line-height:.9;
  color:transparent;-webkit-text-stroke:2px var(--green);
  position:absolute;right:2vw;bottom:6vh;user-select:none;
  transition:color .5s;cursor:pointer;
}
.denom:hover{color:var(--pink);-webkit-text-stroke:2px var(--pink)}
.hero-kicker{font-size:.82rem;letter-spacing:.3em;text-transform:uppercase;color:var(--green-dk);font-weight:600;margin-bottom:22px}
.hero-title{
  font-family:var(--serif);font-weight:600;
  font-size:clamp(3rem,9vw,6.6rem);line-height:1.02;letter-spacing:-.02em;
}
.hero-title em{
  font-style:italic;color:var(--green-dk);position:relative;
}
.hero-title em::after{
  content:"";position:absolute;left:0;bottom:6px;width:100%;height:12px;
  background:var(--pink);z-index:-1;border-radius:6px;
  animation:swipe 1.2s var(--ease) .6s both;
}
@keyframes swipe{from{transform:scaleX(0);transform-origin:left}to{transform:scaleX(1)}}
.hero-sub{max-width:560px;color:var(--ink-soft);margin-top:26px;font-size:1.08rem}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.tag{
  padding:8px 16px;border-radius:40px;font-size:.82rem;font-weight:500;
  background:var(--pink-lt);color:var(--green-dk);border:1px solid var(--pink);
  transition:transform .3s var(--ease),background .3s;
}
.tag:nth-child(even){background:var(--mint);border-color:var(--green)}
.tag:hover{transform:translateY(-4px) rotate(-2deg)}
.scroll-hint{
  position:absolute;bottom:26px;left:50%;transform:translateX(-50%);
  font-size:.75rem;letter-spacing:.24em;text-transform:uppercase;color:var(--ink-soft);
  animation:bob 1.8s ease-in-out infinite;
}
@keyframes bob{50%{transform:translate(-50%,8px)}}

/* ---------- 跑马灯 ---------- */
.marquee{
  overflow:hidden;background:var(--green-dk);color:var(--pink-lt);
  padding:14px 0;transform:rotate(-1.2deg);margin:10px -2vw 0;
}
.marquee-track{display:flex;gap:3rem;white-space:nowrap;animation:scroll 26s linear infinite;width:max-content}
.marquee-track span{font-family:var(--serif);font-style:italic;font-size:1.15rem;letter-spacing:.05em}
.marquee-track i{color:var(--pink);font-style:normal}
@keyframes scroll{to{transform:translateX(-50%)}}

/* ---------- 卡片 ---------- */
.grid{display:grid;gap:26px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.card{
  position:relative;border-radius:var(--radius);padding:34px;
  background:var(--pink-lt);border:1px solid rgba(237,196,216,.6);
  box-shadow:var(--shadow);transition:transform .45s var(--ease),box-shadow .45s;
  transform-style:preserve-3d;will-change:transform;
}
.card.mint{background:var(--mint);border-color:rgba(110,177,105,.4)}
.card.white{background:var(--white)}
.card:hover{box-shadow:var(--shadow-lg)}
.card .num{
  font-family:var(--serif);font-weight:700;font-size:2.6rem;line-height:1;
  color:transparent;-webkit-text-stroke:1.5px var(--green);
}
.card h3{font-family:var(--serif);font-size:1.35rem;margin:14px 0 10px;line-height:1.3}
.card p{color:var(--ink-soft);font-size:.95rem}
.card .meta{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--green);font-weight:600;margin-top:4px}

/* 荣誉徽章 */
.badge{
  display:inline-block;padding:5px 13px;border-radius:40px;
  background:var(--green-dk);color:var(--pink-lt);
  font-size:.72rem;font-weight:600;letter-spacing:.06em;margin:4px 6px 0 0;
}
.badge.alt{background:var(--pink);color:var(--green-dk)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 26px;border-radius:50px;border:none;
  font-size:.88rem;font-weight:600;letter-spacing:.05em;
  background:var(--green-dk);color:var(--pink-lt);
  transition:transform .3s var(--ease),box-shadow .3s,background .3s;
  position:relative;overflow:hidden;
}
.btn:hover{transform:translateY(-3px);box-shadow:0 12px 26px rgba(57,124,82,.3);background:var(--green)}
.btn.ghost{background:transparent;color:var(--green-dk);border:1.6px solid var(--green-dk)}
.btn.ghost:hover{background:var(--mint)}
.btn::after{
  content:"→";transition:transform .3s var(--ease);
}
.btn:hover::after{transform:translateX(5px)}

/* ---------- 照片占位组件 ---------- */
.ph{
  border-radius:var(--radius);
  border:2px dashed var(--green);
  background:repeating-linear-gradient(-45deg,var(--mint),var(--mint) 14px,var(--white) 14px,var(--white) 28px);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:8px;min-height:230px;color:var(--green-dk);text-align:center;padding:24px;
}
.ph.pink{border-color:var(--pink);background:repeating-linear-gradient(-45deg,var(--pink-lt),var(--pink-lt) 14px,var(--white) 14px,var(--white) 28px)}
.ph .ph-ico{font-size:2rem}
.ph b{font-size:.95rem}
.ph small{font-size:.75rem;color:var(--ink-soft);max-width:280px;line-height:1.5}

/* ---------- 真实照片 / 文档预览 ---------- */
.media-photo,.paper-preview,.carousel-slide{
  position:relative;margin:0;border-radius:var(--radius);overflow:hidden;
  background:var(--white);box-shadow:var(--shadow);
}
.media-photo img,.carousel-slide img{
  width:100%;aspect-ratio:4/3;display:block;object-fit:cover;
}
.media-photo.portrait img{aspect-ratio:5/4;object-position:center 36%}
.media-photo.contain img{object-fit:contain;background:#f8f5f1}
.media-photo figcaption,.carousel-slide figcaption{
  position:absolute;left:12px;right:12px;bottom:12px;
  padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.9);
  color:var(--green-dk);font-size:.74rem;font-weight:600;letter-spacing:.04em;
  backdrop-filter:blur(8px);
}
.paper-preview{display:block;max-height:360px;border:1px solid rgba(110,177,105,.35)}
.paper-preview img{width:100%;height:320px;display:block;object-fit:cover;object-position:top}
.paper-preview span{
  position:absolute;right:14px;bottom:14px;padding:8px 12px;border-radius:999px;
  background:var(--green-dk);color:var(--pink-lt);font-size:.72rem;font-weight:600;
}

/* ---------- 视频占位 / iframe ---------- */
.video-box{
  position:relative;border-radius:var(--radius);overflow:hidden;
  aspect-ratio:16/9;background:var(--ink);box-shadow:var(--shadow);
}
.video-box iframe{width:100%;height:100%;border:0}
.video-ph{
  aspect-ratio:16/9;border-radius:var(--radius);
  background:linear-gradient(135deg,var(--green-dk),#2b5a3e);
  display:grid;place-items:center;color:var(--pink-lt);position:relative;overflow:hidden;
}
.video-ph::before{
  content:"";position:absolute;width:70px;height:70px;border-radius:50%;
  border:2px solid var(--pink);animation:pulse 2s ease-out infinite;
}
@keyframes pulse{from{transform:scale(.6);opacity:1}to{transform:scale(1.5);opacity:0}}
.video-ph span{font-size:2.6rem;z-index:1}
.video-ph figcaption{
  position:absolute;bottom:0;left:0;right:0;padding:14px 20px;
  background:linear-gradient(transparent,rgba(0,0,0,.55));font-size:.85rem;
}
.vid-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.vid-item{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:var(--white);transition:transform .4s var(--ease)}
.vid-item:hover{transform:translateY(-6px)}
.vid-item .vid-cap{padding:12px 16px;font-size:.82rem;color:var(--ink-soft)}
.vid-item iframe{width:100%;aspect-ratio:16/9;border:0;display:block}
.vid-item.photo-feature img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block}

/* ---------- 轮播 ---------- */
.carousel{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.car-track{display:flex;transition:transform .6s var(--ease)}
.car-track>*{flex:0 0 100%}
.car-btn{
  position:absolute;top:50%;transform:translateY(-50%);z-index:2;
  width:44px;height:44px;border-radius:50%;border:none;
  background:rgba(255,255,255,.9);color:var(--green-dk);font-size:1.1rem;
  box-shadow:var(--shadow);transition:background .3s,transform .3s;
}
.car-btn:hover{background:var(--pink);transform:translateY(-50%) scale(1.12)}
.car-btn.prev{left:14px}.car-btn.next{right:14px}
.car-dots{position:absolute;bottom:14px;left:50%;transform:translateX(-50%);display:flex;gap:8px}
.car-dots button{width:9px;height:9px;border-radius:50%;border:none;background:rgba(255,255,255,.55);transition:all .3s}
.car-dots button.on{background:var(--pink);width:24px;border-radius:6px}

/* ---------- 统计数字 ---------- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:18px}
.stat{
  background:var(--white);border-radius:18px;padding:22px;text-align:center;
  border:1px solid rgba(110,177,105,.35);box-shadow:var(--shadow);
  transition:transform .35s var(--ease);
}
.stat:hover{transform:translateY(-5px) rotate(-1deg)}
.stat b{font-family:var(--serif);font-size:2rem;color:var(--green-dk);display:block}
.stat span{font-size:.78rem;color:var(--ink-soft);letter-spacing:.04em}

/* ---------- 座右铭纸币卡 ---------- */
.banknote{
  position:relative;border-radius:26px;overflow:hidden;
  background:linear-gradient(120deg,var(--pink-lt) 0%,var(--white) 45%,var(--mint) 100%);
  border:1.5px solid var(--green);padding:56px 46px;box-shadow:var(--shadow-lg);
}
.banknote::before,.banknote::after{
  content:"";position:absolute;inset:10px;border:1px solid rgba(57,124,82,.35);
  border-radius:18px;pointer-events:none;
}
.banknote::after{inset:16px;border-style:dashed;border-color:rgba(237,196,216,.9)}
.quote{
  font-family:var(--serif);font-style:italic;font-weight:500;
  font-size:clamp(1.4rem,3vw,2.1rem);color:var(--green-dk);line-height:1.4;
}
.quote-mark{font-size:4rem;color:var(--pink);font-family:var(--serif);line-height:0;vertical-align:-18px;margin-right:8px}
.quote-by{margin-top:22px;font-size:.85rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-soft)}
.shine{
  position:absolute;top:0;left:-80%;width:50%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.85),transparent);
  transform:skewX(-18deg);animation:shine 5s ease-in-out infinite;
}
@keyframes shine{0%,60%{left:-80%}100%{left:150%}}

/* ---------- 音乐播放卡 ---------- */
.song{
  display:flex;align-items:center;gap:20px;padding:22px;
  background:var(--white);border-radius:20px;border:1px solid rgba(237,196,216,.7);
  box-shadow:var(--shadow);transition:transform .4s var(--ease);
}
.song:hover{transform:translateY(-4px)}
.disc{
  width:76px;height:76px;border-radius:50%;flex-shrink:0;position:relative;
  background:radial-gradient(circle at center,var(--green-dk) 28%,#2b5a3e 29%,var(--green-dk) 45%,#2b5a3e 46%,var(--green-dk) 62%,#2b5a3e 63%,var(--green-dk) 100%);
  display:grid;place-items:center;transition:transform .4s;
}
.disc::after{content:"";width:20px;height:20px;border-radius:50%;background:var(--pink)}
.song.playing .disc{animation:spin 3.2s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.song-info{flex:1;min-width:0}
.song-info b{font-family:var(--serif);font-size:1.05rem;display:block}
.song-info small{color:var(--ink-soft);font-size:.78rem}
.song audio{width:100%;margin-top:6px;height:34px}

/* ---------- 页脚 ---------- */
footer{
  margin-top:60px;padding:56px 0 40px;
  background:var(--green-dk);color:var(--pink-lt);
}
.foot-grid{display:flex;flex-wrap:wrap;justify-content:space-between;gap:26px;align-items:center}
.foot-nav{display:flex;flex-wrap:wrap;gap:20px}
.foot-nav a{font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;opacity:.85;transition:opacity .3s,color .3s}
.foot-nav a:hover{opacity:1;color:var(--pink)}
.foot-note{font-size:.78rem;opacity:.65}
.foot-wave{color:var(--pink);font-family:var(--serif);font-style:italic;font-size:1.2rem}

/* ---------- 回到顶部 ---------- */
#toTop{
  position:fixed;right:26px;bottom:26px;z-index:999;
  width:50px;height:50px;border-radius:50%;border:none;
  background:var(--pink);color:var(--green-dk);font-size:1.15rem;
  box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;
  transition:all .4s var(--ease);
}
#toTop.show{opacity:1;pointer-events:auto}
#toTop:hover{transform:translateY(-5px) rotate(-8deg);background:var(--green);color:var(--white)}

/* ---------- 时间线（Civic / Hip-Hop 叙事段） ---------- */
.story{
  background:var(--white);border-radius:var(--radius);padding:36px;
  border-left:5px solid var(--green);box-shadow:var(--shadow);
  color:var(--ink-soft);font-size:.98rem;
}
.story p+p{margin-top:14px}
.story .quote-line{
  font-family:var(--serif);font-style:italic;color:var(--green-dk);font-size:1.08rem;
}

/* ---------- 响应式 ---------- */
@media (max-width:960px){
  .g-2,.g-3,.vid-grid{grid-template-columns:1fr}
  .nav-links{
    position:fixed;top:84px;right:4vw;flex-direction:column;
    background:var(--white);padding:20px;border-radius:22px;
    box-shadow:var(--shadow-lg);border:1px solid rgba(57,124,82,.15);
    transform:translateY(-16px);opacity:0;pointer-events:none;transition:all .35s var(--ease);
  }
  .nav-links.open{transform:none;opacity:1;pointer-events:auto}
  .nav-toggle{display:block}
  .denom{font-size:clamp(5rem,26vw,9rem);opacity:.6}
}
@media (max-width:600px){
  section{padding:70px 0}
  .card{padding:26px}
  .song{flex-direction:column;align-items:stretch;text-align:center}
  .disc{margin:0 auto}
}