/* =========================================================
   神创九州 · 手游宣传落地页
   仙侠国风 · 金红配色 · 响应式
   ========================================================= */

/* ---------- 基础与变量 ---------- */
:root{
  --bg:#0c0712;
  --bg-2:#140b1c;
  --ink:#f6ecd7;
  --muted:rgba(246,236,215,.62);
  --gold:#ffcf6b;
  --gold-2:#ff9d3c;
  --red:#ff4d4f;
  --crimson:#c8102e;
  --line:rgba(255,207,107,.28);
  --serif:"Noto Serif SC","Source Han Serif SC","STKaiti","KaiTi","楷体","STSong",serif;
  --sans:-apple-system,"PingFang SC","Microsoft YaHei","Segoe UI",Roboto,sans-serif;
  --shadow:0 18px 50px rgba(0,0,0,.5);
  --ease:cubic-bezier(.22,.8,.32,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  background:var(--bg);
  color:var(--ink);
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
.container{width:min(1180px,92%);margin-inline:auto}

::selection{background:rgba(255,207,107,.85);color:#2a1200}

/* 滚动条 */
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:linear-gradient(var(--gold),var(--gold-2));border-radius:8px}
::-webkit-scrollbar-track{background:#120a1a}

/* ---------- 顶部导航 ---------- */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:900;
  transition:background .4s,box-shadow .4s,backdrop-filter .4s;
}
.nav.scrolled{
  background:rgba(12,7,18,.82);
  backdrop-filter:blur(14px);
  box-shadow:0 6px 30px rgba(0,0,0,.35);
}
.nav-inner{
  display:flex;align-items:center;gap:14px;
  height:68px;position:relative;
}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-logo{width:42px;height:42px;border-radius:12px;box-shadow:0 0 0 1px rgba(255,207,107,.5),0 6px 18px rgba(255,79,79,.35);flex:none}
.brand-name{font-family:var(--serif);font-size:1.35rem;font-weight:700;letter-spacing:2px;
  background:linear-gradient(180deg,#fff3d0,#ffd98a 55%,#ff9d3c);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.brand-tag{display:none;font-size:.68rem;color:var(--gold);border:1px solid var(--line);padding:1px 8px;border-radius:99px}
.nav-links{display:flex;gap:4px;margin-left:auto}
.nav-links a{
  position:relative;padding:8px 13px;font-size:.9rem;color:var(--muted);
  transition:color .3s;letter-spacing:1px;
}
.nav-links a::after{content:"";position:absolute;left:50%;bottom:2px;width:0;height:2px;
  background:linear-gradient(90deg,var(--gold),var(--red));transform:translateX(-50%);transition:width .3s;border-radius:2px}
.nav-links a:hover{color:var(--gold)}
.nav-links a:hover::after{width:60%}
.nav-cta{margin-left:8px;flex:none}
.btn-gold{
  padding:9px 22px;border-radius:99px;font-size:.9rem;font-weight:700;color:#3a1a00;
  background:linear-gradient(135deg,#ffe9ad,#ffc95e 45%,#ff9a3c);
  box-shadow:0 4px 18px rgba(255,158,60,.45),inset 0 1px 0 rgba(255,255,255,.6);
  transition:transform .3s,box-shadow .3s;
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 8px 26px rgba(255,158,60,.6),inset 0 1px 0 rgba(255,255,255,.6)}

/* 汉堡 */
.nav-toggle{display:none;width:40px;height:40px;margin-left:auto;flex-direction:column;justify-content:center;gap:5px;align-items:center;border-radius:10px;background:rgba(255,255,255,.06)}
.nav-toggle span{width:20px;height:2px;background:var(--gold);border-radius:2px;transition:.3s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:center;overflow:hidden}
.hero-slides,.hero-slides img{position:absolute;inset:0;width:100%;height:100%}
.hero-slides img{object-fit:cover;opacity:0;transform:scale(1.08);transition:opacity 1.6s var(--ease),transform 7s linear;will-change:opacity}
.hero-slides img.active{opacity:1;transform:scale(1)}
.hero-mask{
  position:absolute;inset:0;z-index:1;
  background:
    radial-gradient(120% 90% at 50% 10%,transparent 30%,rgba(12,7,18,.45) 70%,rgba(12,7,18,.92) 100%),
    linear-gradient(180deg,rgba(12,7,18,.55),rgba(12,7,18,.25) 45%,rgba(12,7,18,.95) 100%);
}
.hero-particles{position:absolute;inset:0;z-index:2;pointer-events:none}
.hero-content{position:relative;z-index:3;text-align:center;padding:120px 0 90px;display:flex;flex-direction:column;align-items:center}

.hero-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:.82rem;color:#ffe3ae;
  background:rgba(12,7,18,.5);border:1px solid rgba(255,207,107,.4);border-radius:99px;
  padding:6px 16px;backdrop-filter:blur(6px);margin-bottom:22px;
  animation:floatY 4s ease-in-out infinite;
}
.pulse-dot{width:8px;height:8px;border-radius:50%;background:#7dff8e;box-shadow:0 0 0 0 rgba(125,255,142,.7);animation:pulse 1.6s infinite}
@keyframes pulse{to{box-shadow:0 0 0 9px rgba(125,255,142,0)}}
@keyframes floatY{50%{transform:translateY(-7px)}}

.hero-logo{margin-bottom:10px}
.hero-logo img{width:clamp(84px,10vw,120px);height:clamp(84px,10vw,120px);object-fit:cover;border-radius:26px;
  box-shadow:0 0 0 2px rgba(255,207,107,.6),0 0 34px rgba(255,158,60,.5),0 0 90px rgba(255,77,79,.35);
  animation:floatY 5s ease-in-out infinite}
.hero-title{
  display:flex;gap:clamp(2px,1.4vw,14px);justify-content:center;
  font-family:var(--serif);font-weight:900;letter-spacing:clamp(2px,1vw,10px);
  font-size:clamp(3rem,11vw,6.6rem);line-height:1.15;margin:8px 0 6px;
  text-shadow:0 4px 0 rgba(0,0,0,.35),0 0 40px rgba(255,140,50,.35);
}
.hero-title em{font-style:normal;
  background:linear-gradient(180deg,#fff6de 8%,#ffd98a 42%,#ff8f3c 78%,#ffe9ad 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  animation:titleIn 1s var(--ease) both;
}
.hero-title em:nth-child(2){animation-delay:.08s}
.hero-title em:nth-child(3){animation-delay:.16s}
.hero-title em:nth-child(4){animation-delay:.24s}
@keyframes titleIn{from{opacity:0;transform:translateY(26px) scale(.9)}to{opacity:1;transform:none}}

.hero-slogan{font-size:clamp(1rem,2.6vw,1.4rem);letter-spacing:2px;color:#ffe9c4;margin-bottom:18px}
.hero-slogan b{color:var(--gold);font-weight:800;
  background:linear-gradient(90deg,#ffd76a,#ff9d3c,#ff5e4d,#ffd76a);background-size:250% 100%;
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  animation:shine 4s linear infinite;padding:0 4px}
.hero-slogan i{color:var(--red);font-style:normal;margin:0 6px}
@keyframes shine{to{background-position:250% 0}}

.hero-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:9px;margin-bottom:26px}
.hero-tags li{
  font-size:.78rem;letter-spacing:1px;color:#f0dcae;
  border:1px solid rgba(255,207,107,.35);border-radius:99px;padding:4px 14px;
  background:linear-gradient(90deg,rgba(255,120,60,.18),rgba(200,16,46,.14));
}

.hero-cta{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;margin-bottom:18px}

/* 首屏下载按钮 hover 二维码 */
.dl-wrap{position:relative;display:inline-flex}
.qr-pop{
  position:absolute;bottom:calc(100% + 16px);left:50%;z-index:30;
  transform:translateX(-50%) translateY(8px);
  opacity:0;visibility:hidden;pointer-events:none;
  display:flex;flex-direction:column;align-items:center;gap:6px;
  padding:8px 8px 6px;border-radius:14px;
  background:rgba(16,9,22,.94);backdrop-filter:blur(8px);
  border:1px solid rgba(255,207,107,.55);box-shadow:0 18px 44px rgba(0,0,0,.55);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s;
  width: 160px;
}
.qr-pop::after{content:"";position:absolute;top:100%;left:50%;transform:translateX(-50%);
  border:7px solid transparent;border-top-color:rgba(255,207,107,.9)}
.qr-pop img{width:140px;height:140px;display:block;background:#fff;padding:7px;border-radius:10px}
.qr-pop span{font-size:.72rem;color:var(--gold);letter-spacing:2px;white-space:nowrap}
.dl-wrap:hover .qr-pop,.dl-wrap:focus-within .qr-pop{
  opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);
}
.btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 34px;border-radius:99px;font-size:1rem;font-weight:800;letter-spacing:3px;
  transition:transform .3s var(--ease),box-shadow .3s;overflow:hidden;
}
.btn-primary{
  color:#331400;
  background:linear-gradient(135deg,#ffdf8e,#ffbe4d 40%,#ff6a3c);
  box-shadow:0 10px 30px rgba(255,110,50,.5),inset 0 2px 0 rgba(255,255,255,.55);
  animation:btnGlow 2.4s ease-in-out infinite;
}
@keyframes btnGlow{50%{box-shadow:0 10px 44px rgba(255,110,50,.85),inset 0 2px 0 rgba(255,255,255,.55)}}
.btn-primary::after{content:"";position:absolute;top:0;left:-120%;width:60%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.75),transparent);
  transform:skewX(-20deg);animation:sweep 3.2s ease-in-out infinite}
@keyframes sweep{0%,55%{left:-120%}85%,100%{left:160%}}
.btn-primary:hover{transform:translateY(-3px) scale(1.03)}
.btn-ghost{
  color:var(--gold);border:1px solid rgba(255,207,107,.55);
  background:rgba(12,7,18,.35);backdrop-filter:blur(8px);
}
.btn-ghost:hover{background:rgba(255,207,107,.12);transform:translateY(-3px)}
.btn-lg{padding:16px 44px;font-size:1.08rem}
.hero-note{font-size:.8rem;color:var(--muted);letter-spacing:1px}

/* 卖点滚动 */
.ticker{position:relative;z-index:4;border-top:1px solid rgba(255,207,107,.22);
  background:linear-gradient(90deg,rgba(120,8,26,.9),rgba(160,20,10,.92) 50%,rgba(120,8,26,.9));
  overflow:hidden;padding:10px 0;}
.ticker-track{display:flex;gap:0;white-space:nowrap;animation:tick 28s linear infinite;width:max-content}
.ticker-track:hover{animation-play-state:paused}
.ticker-track span{font-size:.85rem;color:#ffdfae;letter-spacing:1px;padding:0 26px;display:inline-flex;align-items:center}
.ticker-track span::before{content:"✦";margin-right:10px;color:#ffd76a;font-size:.7em}
@keyframes tick{to{transform:translateX(-50%)}}

/* ---------- 通用 Section ---------- */
.section{padding:clamp(64px,9vw,110px) 0;position:relative}
.section::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background:radial-gradient(80% 60% at 50% 0%,rgba(255,120,40,.07),transparent 60%);
}
.sec-head{text-align:center;margin-bottom:clamp(36px,5vw,58px)}
.sec-eyebrow{font-size:.74rem;letter-spacing:6px;color:var(--gold);text-transform:uppercase;opacity:.85}
.sec-title{
  font-family:var(--serif);font-size:clamp(1.9rem,5vw,2.8rem);font-weight:900;letter-spacing:6px;
  margin:10px 0 14px;position:relative;display:inline-block;
  background:linear-gradient(180deg,#fff3d0,#ffd98a 50%,#ff9d3c);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.sec-title::before,.sec-title::after{
  content:"";position:absolute;top:50%;width:clamp(30px,8vw,80px);height:1px;
  background:linear-gradient(90deg,transparent,var(--gold));transform:translateY(-50%);
}
.sec-title::before{right:calc(100% + 20px)}
.sec-title::after{left:calc(100% + 20px);background:linear-gradient(90deg,var(--gold),transparent)}
.sec-sub{color:var(--muted);font-size:.95rem;max-width:560px;margin:0 auto;letter-spacing:1px}

/* ---------- 玩法特色卡片 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.f-card{
  position:relative;padding:30px 24px 26px;border-radius:18px;overflow:hidden;
  background:linear-gradient(165deg,rgba(255,207,107,.1),rgba(20,11,28,.6) 45%);
  border:1px solid var(--line);
  transition:transform .4s var(--ease),border-color .4s,box-shadow .4s;
}
.f-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;
  background:linear-gradient(90deg,transparent,var(--gold),var(--red),transparent);
  opacity:.6;transition:opacity .4s}
.f-card::after{content:"✦";position:absolute;right:14px;bottom:6px;font-size:1.1rem;color:rgba(255,207,107,.18)}
.f-card:hover{transform:translateY(-8px);border-color:rgba(255,207,107,.6);
  box-shadow:0 20px 46px rgba(0,0,0,.45),0 0 34px rgba(255,140,60,.12)}
.f-card:hover::before{opacity:1}
.f-icon{
  width:58px;height:58px;display:grid;place-items:center;font-size:1.7rem;
  border-radius:16px;margin-bottom:16px;
  background:radial-gradient(circle at 30% 25%,rgba(255,215,140,.25),rgba(255,90,50,.15));
  border:1px solid rgba(255,207,107,.4);
  box-shadow:inset 0 0 18px rgba(255,150,60,.2);
  transition:transform .4s var(--ease);
}
.f-card:hover .f-icon{transform:rotate(-8deg) scale(1.1)}
.f-card h3{font-family:var(--serif);font-size:1.25rem;letter-spacing:3px;color:#ffe9c2;margin-bottom:8px}
.f-card p{font-size:.88rem;color:var(--muted)}

/* ---------- 大世界轮播 ---------- */
.world-slider{position:relative;border-radius:22px;padding:10px;
  background:linear-gradient(160deg,rgba(255,207,107,.1),rgba(20,11,28,.7));
  border:1px solid var(--line);box-shadow:var(--shadow)}
.world-viewport{overflow:hidden;border-radius:16px}
.world-track{display:flex;transition:transform .7s var(--ease)}
.world-track li{flex:0 0 33.333%;padding:0 5px}
.world-track figure{border-radius:12px;overflow:hidden;border:1px solid rgba(255,207,107,.3);aspect-ratio:3/4;background:#000}
.world-track img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.world-track figure:hover img{transform:scale(1.08)}
.world-nav,.shot-nav{
  position:absolute;top:50%;transform:translateY(-50%);z-index:5;
  width:44px;height:44px;border-radius:50%;font-size:1.6rem;line-height:1;color:var(--gold);
  background:rgba(12,7,18,.55);border:1px solid rgba(255,207,107,.45);
  backdrop-filter:blur(6px);display:grid;place-items:center;
  transition:background .3s,transform .3s;
}
.world-nav:hover,.shot-nav:hover{background:rgba(255,207,107,.25)}
.world-nav.prev{left:-8px}.world-nav.next{right:-8px}
.world-dots{position:static;transform:none;margin-top:14px;justify-content:center}
.world-dots,.shot-dots{display:flex;gap:8px;z-index:5}
.world-dots button,.shot-dots button{width:22px;height:4px;border-radius:99px;background:rgba(255,255,255,.3);transition:.35s}
.world-dots button.active,.shot-dots button.active{background:linear-gradient(90deg,var(--gold),var(--red));width:34px}

/* ---------- 福利 ---------- */
.welfare{background:
  radial-gradient(90% 70% at 50% 0%,rgba(200,16,46,.12),transparent 60%),
  linear-gradient(180deg,var(--bg-2),var(--bg));}
.welfare-tip{
  display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap;
  margin-bottom:34px;padding:14px 22px;border-radius:16px;
  background:linear-gradient(90deg,rgba(200,16,46,.16),rgba(255,120,40,.14));
  border:1px dashed rgba(255,207,107,.5);max-width:640px;margin-inline:auto;
}
.tip-cny{
  font-family:var(--serif);font-weight:900;font-size:1.5rem;
  background:linear-gradient(180deg,#ffe08e,#ff7a2c);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.welfare-tip p{font-size:.95rem;color:#f3dfb4}
.welfare-tip b{color:#fff}
.welfare-tip em{font-style:normal;font-weight:900;font-size:1.25rem;color:var(--gold)}
.welfare-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.w-card{
  position:relative;padding:30px 24px 24px;border-radius:18px;overflow:hidden;
  background:linear-gradient(160deg,rgba(255,207,107,.09),rgba(18,10,26,.55) 55%);
  border:1px solid var(--line);
  transition:transform .4s var(--ease),box-shadow .4s,border-color .4s;
}
.w-card:hover{transform:translateY(-8px);border-color:rgba(255,207,107,.55);
  box-shadow:0 22px 48px rgba(0,0,0,.45),0 0 36px rgba(255,120,40,.14)}
.w-card.gold{background:linear-gradient(160deg,rgba(255,190,77,.2),rgba(60,20,6,.6) 60%)}
.w-ribbon{
  position:absolute;top:14px;right:-30px;transform:rotate(42deg);
  background:linear-gradient(90deg,var(--crimson),var(--red));
  font-size:.66rem;letter-spacing:2px;color:#fff3d6;padding:3px 34px;
  box-shadow:0 2px 8px rgba(0,0,0,.3);
}
.w-num{
  font-family:var(--serif);font-weight:900;font-size:2.6rem;line-height:1;margin-bottom:8px;
  background:linear-gradient(180deg,rgba(255,207,107,.5),rgba(255,207,107,.06));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.w-card h3{font-family:var(--serif);font-size:1.3rem;letter-spacing:2px;color:#ffe9c2;margin-bottom:8px}
.w-card p{font-size:.88rem;color:var(--muted)}

/* ---------- 截图轮播 ---------- */
.shot-slider{position:relative;border-radius:22px;padding:10px;
  background:linear-gradient(160deg,rgba(255,207,107,.1),rgba(20,11,28,.7));
  border:1px solid var(--line);box-shadow:var(--shadow)}
.shot-viewport{overflow:hidden;border-radius:16px}
.shot-track{display:flex;transition:transform .7s var(--ease)}
.shot-track li{flex:0 0 33.333%;padding:0 5px}
.shot-track figure{border-radius:12px;overflow:hidden;border:1px solid rgba(255,207,107,.3);
  aspect-ratio:16/9;background:#000}
.shot-track img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.shot-track figure:hover img{transform:scale(1.08)}
.shot-nav.prev{left:-8px}.shot-nav.next{right:-8px}
.shot-dots{position:static;transform:none;margin-top:14px;justify-content:center}

/* ---------- 视频 ---------- */
.media-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.media-grid video{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:18px;
  border:1px solid var(--line);box-shadow:var(--shadow);background:#000;
}

/* ---------- FAQ ---------- */
.faq-list{max-width:760px;margin-inline:auto;display:flex;flex-direction:column;gap:14px}
.faq-item{border-radius:14px;overflow:hidden;background:rgba(255,207,107,.05);
  border:1px solid var(--line);transition:border-color .3s,background .3s}
.faq-item[open]{background:rgba(255,207,107,.1);border-color:rgba(255,207,107,.5)}
.faq-item summary{
  cursor:pointer;list-style:none;display:flex;align-items:center;gap:14px;
  padding:18px 22px;font-weight:700;color:#ffe9c2;letter-spacing:1px;font-size:.98rem;
  user-select:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";flex:none;width:28px;height:28px;border-radius:50%;
  background:radial-gradient(circle at 32% 28%,var(--gold),var(--gold-2));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.6);
}
.faq-item summary::after{
  content:"+";margin-left:auto;font-size:1.4rem;color:var(--gold);transition:transform .3s;font-weight:400;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding:0 24px 18px 64px;color:var(--muted);font-size:.9rem}

/* ---------- 下载 CTA ---------- */
.download-panel{
  display:grid;grid-template-columns:1.4fr 1fr;gap:30px;align-items:center;
  padding:clamp(28px,5vw,60px);border-radius:24px;position:relative;overflow:hidden;
  background:
    radial-gradient(90% 140% at 90% 10%,rgba(255,110,40,.2),transparent 55%),
    radial-gradient(120% 160% at 0% 100%,rgba(200,16,46,.25),transparent 55%),
    linear-gradient(150deg,#1c0f24,#120a1c);
  border:1px solid rgba(255,207,107,.35);
  box-shadow:0 24px 60px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.08);
}
.download-panel::before{content:"✦";position:absolute;font-size:6rem;color:rgba(255,207,107,.06);top:-10px;right:30px}
.dl-title{font-family:var(--serif);font-size:clamp(2rem,5vw,2.7rem);letter-spacing:6px;margin-bottom:8px;
  background:linear-gradient(180deg,#fff3d0,#ffd98a 55%,#ff9d3c);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.dl-sub{color:var(--muted);margin-bottom:20px}
.dl-meta{display:grid;grid-template-columns:1fr 1fr;gap:10px 26px;margin-bottom:26px}
.dl-meta li{font-size:.9rem;color:#f0dcae;display:flex;flex-direction:column;gap:2px}
.dl-meta span{font-size:.72rem;letter-spacing:2px;color:var(--gold);opacity:.8}
.dl-btns{display:flex;gap:14px;flex-wrap:wrap}
.panel-qr{
  text-align:center;padding:24px;border-radius:18px;
  background:rgba(255,255,255,.05);border:1px dashed rgba(255,207,107,.4);
  display:flex;flex-direction:column;align-items:center;gap:12px;justify-self:center;max-width:320px;
}
.panel-qr img{width:min(220px,70%);border-radius:14px;box-shadow:0 10px 30px rgba(0,0,0,.4);
  animation:floatY 4s ease-in-out infinite}
.panel-qr p{font-size:.82rem;color:var(--muted);letter-spacing:2px;line-height:1.6}

/* ---------- 页脚 ---------- */
.footer{border-top:1px solid rgba(255,207,107,.15);background:#090510;padding:40px 0 110px}
.footer-inner{display:flex;flex-direction:column;gap:22px;align-items:center;text-align:center}
.footer-brand{display:flex;gap:16px;align-items:flex-start;text-align:left;max-width:720px}
.footer-brand img{width:56px;height:56px;border-radius:14px;flex:none}
.footer-brand b{font-family:var(--serif);font-size:1.1rem;letter-spacing:3px;color:var(--gold)}
.footer-brand p{font-size:.74rem;color:rgba(246,236,215,.45);margin-top:6px;letter-spacing:1px}
.footer-copy{font-size:.72rem;color:rgba(246,236,215,.4);letter-spacing:1px}
.footer-links{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:4px 16px;font-size:.74rem;color:rgba(246,236,215,.45);letter-spacing:1px}
.footer-links b{color:rgba(246,236,215,.6);font-weight:500;letter-spacing:2px}
.footer-links a{color:rgba(246,236,215,.5);cursor:pointer;transition:color .25s}
.footer-links a:hover{color:var(--gold)}

/* ---------- 悬浮下载条 ---------- */
.appbar{
  position:fixed;left:0;right:0;bottom:0;z-index:800;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:10px max(16px,env(safe-area-inset-left)) calc(10px + env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-right));
  background:rgba(14,8,20,.92);backdrop-filter:blur(14px);
  border-top:1px solid rgba(255,207,107,.25);
  transform:translateY(110%);transition:transform .45s var(--ease);
}
.appbar.show{transform:none}
.appbar-left{display:flex;align-items:center;gap:10px;min-width:0}
.appbar-left img{width:42px;height:42px;border-radius:10px;flex:none}
.appbar-left b{display:block;font-size:.95rem;color:#ffe9c2;letter-spacing:2px;font-family:var(--serif)}
.appbar-left i{font-style:normal;font-size:.68rem;color:var(--gold)}
.appbar .btn{padding:10px 26px;font-size:.9rem}

/* ---------- Toast ---------- */
.toast{
  position:fixed;left:50%;bottom:130px;transform:translate(-50%,20px);z-index:999;
  background:linear-gradient(135deg,#2a1220,#1a0c18);color:#ffe9c2;
  border:1px solid rgba(255,207,107,.5);padding:12px 26px;border-radius:99px;
  font-size:.9rem;letter-spacing:1px;box-shadow:0 14px 40px rgba(0,0,0,.5);
  opacity:0;pointer-events:none;transition:.4s var(--ease);text-align:center;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- 滚动显现 ---------- */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- 返回顶部 ---------- */
.back-top{
  position:fixed;right:18px;bottom:calc(110px + env(safe-area-inset-bottom));z-index:860;
  width:46px;height:46px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:1.3rem;line-height:1;color:#3a1a00;padding-bottom:2px;
  background:linear-gradient(135deg,#ffe9ad,#ffc95e 45%,#ff9a3c);
  box-shadow:0 6px 20px rgba(255,158,60,.45),inset 0 1px 0 rgba(255,255,255,.6);
  opacity:0;transform:translateY(16px);pointer-events:none;
  transition:opacity .35s var(--ease),transform .35s var(--ease),box-shadow .3s;
}
.back-top.show{opacity:1;transform:none;pointer-events:auto}
.back-top:hover{transform:translateY(-3px);box-shadow:0 10px 28px rgba(255,158,60,.65),inset 0 1px 0 rgba(255,255,255,.6)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .grid-3{grid-template-columns:1fr 1fr}
  .media-grid{grid-template-columns:1fr}
  .shot-track li{flex:0 0 50%}
}
@media (max-width:820px){
  .nav-links{
    position:fixed;top:68px;right:0;flex-direction:column;gap:4px;
    background:rgba(12,7,18,.96);backdrop-filter:blur(16px);
    border-bottom:1px solid rgba(255,207,107,.2);border-left:1px solid rgba(255,207,107,.2);
    padding:14px;min-width:220px;border-radius:0 0 0 18px;
    transform:translateX(110%);transition:transform .4s var(--ease);
  }
  .nav-links.open{transform:none}
  .nav-links a{padding:11px 16px;font-size:1rem;border-radius:10px}
  .nav-links a:hover{background:rgba(255,207,107,.1)}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .brand-tag{display:inline-block}
  .world-track li{flex:0 0 50%}
  .download-panel{grid-template-columns:1fr}
  .panel-qr{flex-direction:row;justify-self:stretch;max-width:none;padding:18px;display:none}
  .panel-qr img{width:96px}
}
@media (max-width:560px){
  .grid-3{grid-template-columns:1fr}
  .dl-meta{grid-template-columns:1fr}
  .hero-cta .btn{padding:13px 28px;letter-spacing:2px}
  .hero-content{padding-top:110px}
  .shot-track li{flex:0 0 100%}
  .footer{padding-bottom:120px}
}
@media (hover:none){.qr-pop{display:none}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s!important;transition-duration:.001s!important;scroll-behavior:auto!important}
}