/* ===== 畲族凤凰 · 东固 AR 展陈 — 设计令牌与版式 ===== */
:root{
  --she-red:#B3202C;
  --she-red-deep:#7A1420;
  --she-vermilion:#D94F2B;
  --she-blue:#1E3A5F;
  --she-blue-deep:#0E1B29;
  --she-black:#12100F;
  --she-ink:#0B0908;
  --she-gold:#D4A24C;
  --she-gold-light:#E8B761;
  --she-silver:#C9D1D9;
  --she-paper:#F6F1E7;
  --she-paper-2:#EDE4D4;

  --bg:var(--she-ink);
  --fg:#F2E9DC;
  --fg-dim:rgba(242,233,220,.66);
  --fg-faint:rgba(242,233,220,.38);
  --line:rgba(212,162,76,.28);
  --line-soft:rgba(212,162,76,.14);

  --font-serif:"Songti SC","SimSun","Source Han Serif SC","Noto Serif SC",serif;
  --font-kai:"Kaiti SC","KaiTi","STKaiti","Songti SC",serif;
  --font-sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;

  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:40px; --sp-5:64px; --sp-6:96px; --sp-7:140px;
  --maxw:1180px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:.72s;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;overflow-x:clip}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--bg);color:var(--fg);
  font-family:var(--font-serif);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg,canvas{display:block;max-width:100%}
a{color:var(--she-gold);text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--she-gold);outline-offset:4px;border-radius:4px}

/* 纸纹与光晕底 */
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(1200px 700px at 50% -10%, rgba(179,32,44,.20), transparent 62%),
    radial-gradient(900px 600px at 82% 78%, rgba(30,58,95,.30), transparent 65%),
    radial-gradient(700px 500px at 12% 22%, rgba(212,162,76,.10), transparent 70%);
}
body::after{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.05;
  background-image:repeating-linear-gradient(0deg, rgba(255,255,255,.6) 0 1px, transparent 1px 3px),
                   repeating-linear-gradient(90deg, rgba(255,255,255,.35) 0 1px, transparent 1px 3px);
  mix-blend-mode:overlay;
}
.wrap{position:relative;z-index:1;max-width:var(--maxw);margin:0 auto;padding:0 clamp(18px,4vw,48px)}

/* ===== 载入层 ===== */
#boot{
  position:fixed;inset:0;z-index:100;display:grid;place-items:center;
  background:var(--she-ink);transition:opacity .8s var(--ease),visibility .8s;
}
#boot.done{opacity:0;visibility:hidden}
#boot .seal{
  width:112px;height:112px;border-radius:50%;position:relative;
  display:grid;place-items:center;
  border:1px solid var(--line);
}
#boot .seal::after{
  content:"";position:absolute;inset:-1px;border-radius:50%;
  border:1px solid transparent;border-top-color:var(--she-gold);border-right-color:var(--she-gold);
  animation:spin 1.5s linear infinite;
}
#boot .seal span{font-family:var(--font-kai);font-size:30px;color:var(--she-gold);letter-spacing:.1em}
@keyframes spin{to{transform:rotate(360deg)}}

/* ===== 顶部导航 ===== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:60;
  display:flex;align-items:center;justify-content:space-between;gap:var(--sp-2);
  padding:14px clamp(18px,4vw,48px);
  background:linear-gradient(to bottom, rgba(11,9,8,.92), rgba(11,9,8,0));
  backdrop-filter:blur(8px);
  transition:background .4s var(--ease), border-color .4s;
  border-bottom:1px solid transparent;
}
.nav.solid{background:rgba(11,9,8,.94);border-bottom-color:var(--line-soft)}
.nav .brand{display:flex;align-items:center;gap:10px;font-family:var(--font-kai);
  font-size:16px;letter-spacing:.14em;color:var(--fg)}
.nav .brand img{width:26px;height:26px;opacity:.95}
.nav ul{display:flex;gap:clamp(14px,2.4vw,30px);list-style:none;margin:0;padding:0}
.nav a{font-family:var(--font-sans);font-size:13px;letter-spacing:.12em;color:var(--fg-dim)}
.nav a:hover,.nav a.on{color:var(--she-gold)}
@media (max-width:760px){.nav ul{display:none}}

/* ===== Hero ===== */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden;
  padding:clamp(88px,12vh,140px) 0 clamp(56px,9vh,96px)}
#stage{position:absolute;inset:0;width:100%;height:100%;z-index:0}

.hero-grid{
  position:relative;z-index:2;width:100%;max-width:var(--maxw);margin:0 auto;
  padding:0 clamp(18px,4vw,48px);
  display:grid;grid-template-columns:minmax(300px,.92fr) minmax(280px,1.08fr);
  align-items:center;gap:clamp(16px,3vw,40px);
}
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;grid-template-rows:auto 1fr;gap:8px}
  .hero-visual{order:2;min-height:40svh}
  .hero{padding-top:96px}
}

.hero-inner{position:relative;text-align:left;pointer-events:none;z-index:3}
@media (max-width:900px){.hero-inner{text-align:center;margin-bottom:-4vh}}

.hero-tag{
  font-family:var(--font-sans);font-size:11px;letter-spacing:.42em;color:var(--she-gold);
  text-transform:uppercase;margin:0;opacity:0;animation:rise .9s var(--ease) .2s forwards;
}
.hero h1{
  margin:26px 0 0;font-family:var(--font-kai);font-weight:400;
  font-size:clamp(52px,8.4vw,104px);line-height:1.02;letter-spacing:.1em;
  background:linear-gradient(178deg,#FFF4E2 6%,var(--she-gold-light) 44%,var(--she-vermilion) 82%,var(--she-red) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 8px 42px rgba(217,79,43,.30));
  opacity:0;animation:rise 1.1s var(--ease) .35s forwards;
}
.hero h1 em{
  font-style:normal;display:block;font-size:.20em;line-height:1;margin-top:.9em;
  letter-spacing:.58em;font-family:var(--font-sans);
  background:none;-webkit-text-fill-color:var(--fg-faint);color:var(--fg-faint);
  filter:none;
}
.hero-lead{
  margin:34px 0 0;max-width:26em;white-space:pre-line;
  font-size:clamp(14px,1.35vw,16.5px);color:var(--fg-dim);line-height:2.15;
  opacity:0;animation:rise 1.1s var(--ease) .6s forwards;
}
@media (max-width:900px){.hero-lead{margin-inline:auto}}
.hero-cta{
  pointer-events:auto;margin-top:40px;display:inline-flex;align-items:center;gap:12px;
  padding:15px 34px;border:1px solid var(--line);border-radius:999px;
  font-family:var(--font-sans);font-size:13.5px;letter-spacing:.22em;color:var(--she-gold);
  background:rgba(212,162,76,.07);transition:all .4s var(--ease);
  opacity:0;animation:rise 1.1s var(--ease) .85s forwards;
}
.hero-cta:hover{background:rgba(212,162,76,.16);border-color:var(--she-gold);letter-spacing:.3em}
.hero-cta::after{content:"";width:6px;height:6px;border-radius:50%;background:var(--she-vermilion);
  box-shadow:0 0 12px var(--she-vermilion);animation:pulse 2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.4;transform:scale(.8)}50%{opacity:1;transform:scale(1.25)}}
@keyframes rise{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}

/* 右栏：粒子凤凰的定位基准与装饰环 */
.hero-visual{position:relative;min-height:clamp(320px,58svh,620px);pointer-events:none;overflow:clip}
.hero-ring{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:min(74%,440px);aspect-ratio:1;border-radius:50%;
  border:1px solid var(--line-soft);opacity:.55;
}
.hero-ring.b{
  width:min(88%,530px);border-style:dashed;border-color:rgba(212,162,76,.14);
  animation:slowSpin 74s linear infinite;
}
@keyframes slowSpin{to{transform:translate(-50%,-50%) rotate(360deg)}}
.hero-word{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  font-family:var(--font-kai);font-size:min(30vw,240px);line-height:1;
  color:rgba(212,162,76,.035);user-select:none;
}

.scroll-hint{
  position:absolute;left:clamp(18px,4vw,48px);bottom:26px;z-index:2;
  font-family:var(--font-sans);font-size:10px;letter-spacing:.4em;color:var(--fg-faint);
  display:flex;flex-direction:column;align-items:center;gap:10px;
}
.scroll-hint::after{content:"";width:1px;height:44px;
  background:linear-gradient(to bottom,var(--she-gold),transparent);animation:drop 2.4s ease-in-out infinite}
@keyframes drop{0%,100%{opacity:.2;transform:scaleY(.4)}50%{opacity:1;transform:scaleY(1)}}

/* ===== 通用段落 ===== */
section{position:relative;z-index:1;padding:var(--sp-7) 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--sp-3);
  flex-wrap:wrap;margin-bottom:var(--sp-5);padding-bottom:var(--sp-2);border-bottom:1px solid var(--line-soft)}
.sec-head h2{margin:0;font-family:var(--font-kai);font-weight:400;font-size:clamp(28px,4.2vw,46px);
  letter-spacing:.16em;color:var(--fg)}
.sec-head h2 small{display:block;margin-top:12px;font-family:var(--font-sans);font-size:11px;
  letter-spacing:.4em;color:var(--she-gold);text-transform:uppercase}
.sec-head p{margin:0;max-width:34em;color:var(--fg-dim);font-size:14px}

/* 图腾召唤区 */
.totem-sec{padding-top:calc(var(--sp-6) + 40px)}
.totem-grid{display:grid;grid-template-columns:minmax(280px,1fr) minmax(300px,1.05fr);
  gap:clamp(32px,6vw,88px);align-items:center}
@media (max-width:880px){.totem-grid{grid-template-columns:1fr}}
.totem-frame{
  position:relative;aspect-ratio:1;max-width:520px;margin-inline:auto;
  display:grid;place-items:center;
}
.totem-frame::before{
  content:"";position:absolute;inset:6%;border-radius:50%;
  background:radial-gradient(circle, rgba(179,32,44,.22), transparent 68%);
  filter:blur(28px);
}
.totem-hit{position:relative;width:100%;height:100%;border-radius:50%;
  display:grid;place-items:center;transition:transform .5s var(--ease)}
.totem-hit:hover{transform:scale(1.03)}
.totem-hit img{width:100%;height:100%;filter:drop-shadow(0 0 34px rgba(212,162,76,.25))}
.totem-ring{
  position:absolute;inset:0;border-radius:50%;border:1px solid var(--line);
  animation:ringPulse 4.2s ease-in-out infinite;
}
.totem-ring.b{inset:-5%;border-style:dashed;opacity:.5;animation-delay:-1.4s}
@keyframes ringPulse{0%,100%{transform:scale(1);opacity:.35}50%{transform:scale(1.035);opacity:.8}}
.totem-copy h3{font-family:var(--font-kai);font-weight:400;font-size:clamp(24px,3.4vw,38px);
  letter-spacing:.12em;margin:0 0 18px}
.totem-copy p{color:var(--fg-dim);margin:0 0 18px}
.totem-steps{list-style:none;margin:26px 0 0;padding:0;counter-reset:s}
.totem-steps li{position:relative;padding-left:38px;margin-bottom:14px;color:var(--fg-dim);font-size:14px}
.totem-steps li::before{counter-increment:s;content:counter(s,decimal-leading-zero);
  position:absolute;left:0;top:0;font-family:var(--font-sans);font-size:11px;letter-spacing:.16em;
  color:var(--she-gold);border:1px solid var(--line);border-radius:50%;
  width:24px;height:24px;display:grid;place-items:center;line-height:1}
.btn-ask{
  display:inline-flex;align-items:center;gap:12px;margin-top:30px;padding:13px 28px;
  border-radius:999px;border:1px solid var(--line);background:rgba(212,162,76,.07);
  font-family:var(--font-sans);font-size:13px;letter-spacing:.2em;color:var(--she-gold);
  transition:all .4s var(--ease)
}
.btn-ask:hover{background:rgba(212,162,76,.18);border-color:var(--she-gold)}
.btn-ask[disabled]{opacity:.45;cursor:not-allowed}

/* 文化卡片 */
.culture-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(236px,1fr));gap:1px;
  background:var(--line-soft);border:1px solid var(--line-soft)}
.culture-card{
  position:relative;padding:clamp(22px,2.4vw,32px);background:var(--she-ink);overflow:hidden;
  transition:background .5s var(--ease)
}
.culture-card::after{
  content:"";position:absolute;inset:0;opacity:0;transition:opacity .5s;
  background:radial-gradient(420px 260px at 20% 0%, rgba(217,79,43,.16), transparent 70%);
  pointer-events:none
}
.culture-card:hover{background:#161210}
.culture-card:hover::after{opacity:1}
.culture-card .no{font-family:var(--font-sans);font-size:11px;letter-spacing:.3em;color:var(--she-gold)}
.culture-card .kick{display:inline-block;margin-left:10px;font-size:11px;letter-spacing:.2em;
  color:var(--fg-faint)}
.culture-card h3{margin:16px 0 14px;font-family:var(--font-kai);font-weight:400;
  font-size:clamp(18px,1.75vw,23px);letter-spacing:.06em;line-height:1.5;
  word-break:keep-all;overflow-wrap:anywhere}
.culture-card p{margin:0;color:var(--fg-dim);font-size:14px;line-height:2}
.culture-card .notes{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.culture-card .notes span{font-family:var(--font-sans);font-size:11px;letter-spacing:.12em;
  padding:5px 11px;border:1px solid var(--line-soft);border-radius:999px;color:var(--fg-faint)}

/* 匠人 */
.craft{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:clamp(24px,4vw,44px)}
.craft-card{border:1px solid var(--line-soft);padding:clamp(24px,3vw,38px);position:relative;
  background:linear-gradient(160deg, rgba(255,255,255,.028), transparent 60%)}
.craft-card .avatar{width:74px;height:74px;border-radius:50%;object-fit:cover;
  border:1px solid var(--line);margin-bottom:20px;background:#1b1512}
.craft-card h3{margin:0;font-family:var(--font-kai);font-weight:400;font-size:26px;letter-spacing:.12em}
.craft-card .role{font-family:var(--font-sans);font-size:12px;letter-spacing:.14em;
  color:var(--she-gold);margin:8px 0 20px}
.craft-card blockquote{margin:0 0 24px;padding:16px 0 16px 20px;border-left:2px solid var(--she-vermilion);
  font-family:var(--font-kai);font-size:17px;color:var(--fg);line-height:1.9}
.craft-card dl{margin:0;display:grid;gap:12px}
.craft-card dt{font-family:var(--font-sans);font-size:11px;letter-spacing:.22em;color:var(--fg-faint)}
.craft-card dd{margin:2px 0 0;font-size:14px;color:var(--fg-dim);line-height:1.85}

/* 文创 */
.merch-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:var(--sp-4)}
.merch-tabs button{font-family:var(--font-sans);font-size:12px;letter-spacing:.18em;
  padding:9px 20px;border-radius:999px;border:1px solid var(--line-soft);color:var(--fg-dim);
  transition:all .35s var(--ease)}
.merch-tabs button[aria-selected="true"]{border-color:var(--she-gold);color:var(--she-gold);
  background:rgba(212,162,76,.1)}
.merch-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(232px,1fr));gap:1px;
  background:var(--line-soft);border:1px solid var(--line-soft)}
.merch-item{padding:0 0 30px;background:var(--she-ink);transition:background .45s var(--ease);
  overflow:hidden;display:flex;flex-direction:column;height:100%}
.merch-item > .tier,.merch-item > h3,.merch-item > .spec,.merch-item > p{margin-left:24px;margin-right:24px}
.merch-shot{margin:0 0 22px;height:186px;flex:0 0 186px;overflow:hidden;background:#151110;position:relative}
.merch-shot img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.merch-item:hover .merch-shot img{transform:scale(1.045)}
.merch-shot.placeholder{display:grid;place-items:center;
  background:radial-gradient(circle at 50% 42%, rgba(179,32,44,.20), rgba(21,17,16,1) 68%)}
.merch-shot.placeholder img{width:104px;height:104px;object-fit:contain;opacity:.34}
.merch-item > p{margin-top:auto;padding-top:12px}
.merch-item:hover{background:#161210}
.merch-item .tier{font-family:var(--font-sans);font-size:10px;letter-spacing:.24em;color:var(--she-gold)}
.merch-item h3{margin:14px 0 10px;font-family:var(--font-kai);font-weight:400;font-size:21px;letter-spacing:.08em}
.merch-item .spec{font-family:var(--font-sans);font-size:11.5px;letter-spacing:.06em;
  color:var(--fg-faint);margin-bottom:12px}
.merch-item p{margin:0;font-size:13.5px;color:var(--fg-dim);line-height:1.9}

/* 路线图 */
.road{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.road-item{padding:26px;border:1px solid var(--line-soft);position:relative}
.road-item.now{border-color:var(--line);background:rgba(179,32,44,.07)}
.road-item .st{font-family:var(--font-sans);font-size:10px;letter-spacing:.26em;color:var(--fg-faint)}
.road-item.now .st{color:var(--she-gold)}
.road-item h3{margin:12px 0 10px;font-family:var(--font-kai);font-weight:400;font-size:20px}
.road-item p{margin:0;font-size:13.5px;color:var(--fg-dim)}

/* 二维码页脚 */
.foot{position:relative;padding:var(--sp-7) 0 var(--sp-5);border-top:1px solid var(--line-soft);margin-top:var(--sp-6)}
.foot-grid{display:grid;grid-template-columns:auto 1fr;gap:clamp(28px,5vw,72px);align-items:center}
@media (max-width:720px){.foot-grid{grid-template-columns:1fr;text-align:center;justify-items:center}}
.qr-box{padding:18px;background:var(--she-paper);border-radius:14px;width:min(232px,58vw);
  box-shadow:0 24px 64px rgba(0,0,0,.55)}
.qr-box img{width:100%;height:auto;border-radius:4px}
.foot-copy h2{margin:0 0 16px;font-family:var(--font-kai);font-weight:400;
  font-size:clamp(24px,3.4vw,36px);letter-spacing:.12em}
.foot-copy p{margin:0 0 10px;color:var(--fg-dim);font-size:14px}
.foot-copy .url{font-family:var(--font-sans);font-size:13px;letter-spacing:.04em;color:var(--she-gold);
  word-break:break-all}
.foot-meta{margin-top:var(--sp-5);padding-top:var(--sp-3);border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;
  font-family:var(--font-sans);font-size:11.5px;letter-spacing:.1em;color:var(--fg-faint)}

/* 进入视口动画 */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .hero-tag,.hero h1,.hero-lead,.hero-cta{opacity:1;animation:none}
  .totem-ring,.scroll-hint::after{animation:none}
}

/* 全屏召唤遮罩 */
#summon-veil{position:fixed;inset:0;z-index:55;pointer-events:none;opacity:0;
  background:radial-gradient(circle at 50% 44%, rgba(217,79,43,.20), transparent 60%);
  transition:opacity .6s var(--ease)}
#summon-veil.on{opacity:1}

/* 提示条 */
.toast{position:fixed;left:50%;bottom:34px;transform:translateX(-50%) translateY(20px);
  z-index:70;padding:12px 24px;border-radius:999px;border:1px solid var(--line);
  background:rgba(18,16,15,.94);backdrop-filter:blur(10px);font-family:var(--font-sans);
  font-size:12.5px;letter-spacing:.1em;color:var(--fg);opacity:0;transition:all .45s var(--ease);
  pointer-events:none}
.toast.on{opacity:1;transform:translateX(-50%) translateY(0)}

/* 摄像头扫描层 */
#cam{position:fixed;inset:0;z-index:80;display:none;place-items:center;background:rgba(8,7,6,.96)}
#cam.on{display:grid}
#cam video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55}
#cam .guide{position:relative;width:min(70vw,340px);aspect-ratio:1;border-radius:50%;
  border:2px solid rgba(212,162,76,.75);box-shadow:0 0 0 100vmax rgba(8,7,6,.55)}
#cam .guide::after{content:"";position:absolute;inset:-14%;border-radius:50%;
  border:1px dashed rgba(212,162,76,.35);animation:ringPulse 3s ease-in-out infinite}
#cam .hint{position:absolute;bottom:12%;left:50%;transform:translateX(-50%);text-align:center;
  font-family:var(--font-sans);font-size:13px;letter-spacing:.16em;color:var(--fg)}
#cam .close{position:absolute;top:22px;right:22px;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);display:grid;place-items:center;color:var(--fg);font-size:20px}