/* ============================================================
   迷失星球 · 0.1折送超四悟空 — 游戏官网样式
   主题: 熔金星河 × 烈焰橙金(#f0a830) × 气功青(#30c8c8)
   取色自 banner/宣传图(橙黄红高饱和) + 实机截图(青蓝) + icon(星尘紫)
   ============================================================ */
:root{
  --bg:#0b0805;
  --bg-2:#171009;
  --bg-3:#241708;
  --ink:#fdf4e6;
  --ink-2:#e7dac4;
  --muted:#b3a38b;
  --accent:#f0a830;
  --accent-2:#ffcf5c;
  --accent-3:#fff0c8;
  --fire:#d86000;
  --teal:#30c8c8;
  --violet:#a878c0;
  --shadow:rgba(0,0,0,.55);
  --card:rgba(255,255,255,.05);
  --card-b:rgba(240,168,48,.18);
  --line:rgba(240,168,48,.14);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--ink);
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{text-decoration:none;color:inherit}
button{font-family:inherit;cursor:pointer}
ul{list-style:none}

/* ---------- 背景氛围 ---------- */
.ambient-glow{position:fixed;inset:0;z-index:-3;pointer-events:none;
  background:
    radial-gradient(58% 44% at 88% -6%,rgba(240,168,48,.20),transparent 62%),
    radial-gradient(52% 42% at 6% 16%,rgba(168,120,192,.20),transparent 62%),
    radial-gradient(46% 48% at 50% 108%,rgba(48,208,200,.13),transparent 62%),
    var(--bg);
}
/* 星河:两层星点缓慢漂移 */
.starfield{position:fixed;inset:0;z-index:-2;pointer-events:none;opacity:.5;
  background-image:
    radial-gradient(1.5px 1.5px at 20% 30%,rgba(255,255,255,.85),transparent),
    radial-gradient(1.2px 1.2px at 72% 12%,rgba(200,240,232,.75),transparent),
    radial-gradient(1.6px 1.6px at 44% 68%,rgba(255,255,255,.7),transparent),
    radial-gradient(1.1px 1.1px at 88% 54%,rgba(255,214,150,.8),transparent),
    radial-gradient(1.3px 1.3px at 12% 82%,rgba(255,255,255,.6),transparent),
    radial-gradient(1px 1px at 60% 92%,rgba(200,240,232,.7),transparent);
  background-size:520px 520px,760px 760px,640px 640px,880px 880px,700px 700px,900px 900px;
  animation:starDrift 90s linear infinite;
}
@keyframes starDrift{from{background-position:0 0,0 0,0 0,0 0,0 0,0 0}
  to{background-position:520px 260px,-760px 380px,640px -320px,-880px -440px,700px 350px,-900px 450px}}

/* ---------- 通用容器/区头 ---------- */
.container{width:min(1200px,92%);margin:0 auto;position:relative;z-index:1}
section{padding:88px 0;position:relative}
.section-eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:.82rem;letter-spacing:.42em;
  color:var(--teal);text-transform:uppercase}
.section-eyebrow::before,.section-eyebrow::after{content:"";width:26px;height:1px;
  background:linear-gradient(90deg,transparent,var(--teal))}
.section-eyebrow::after{transform:scaleX(-1)}
.section-title{font-size:clamp(1.7rem,4.2vw,2.75rem);font-weight:900;margin:10px 0 6px;letter-spacing:.05em}
.section-title .accent{background:linear-gradient(120deg,var(--fire),var(--accent-2) 65%,var(--accent-3));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 6px 24px rgba(240,168,48,.28))}
.section-sub{color:var(--ink-2);font-size:1rem}
.section-head{text-align:center;margin-bottom:52px}
.section-head .section-eyebrow::after{transform:none}

/* ---------- 顶部导航 ---------- */
.navbar{position:fixed;top:0;left:0;right:0;z-index:100;transition:.35s;
  background:linear-gradient(180deg,rgba(11,8,5,.86),rgba(11,8,5,0));padding:14px 0}
.navbar.is-scrolled{background:rgba(11,8,5,.92);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:0 1px 0 var(--line);padding:8px 0}
.nav-inner{width:min(1200px,92%);margin:0 auto;display:flex;align-items:center;gap:26px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-icon{width:44px;height:44px;border-radius:12px;object-fit:cover;
  box-shadow:0 0 0 1px rgba(48,208,200,.3),0 8px 22px rgba(240,168,48,.35)}
.brand-text{font-weight:900;font-size:1.34rem;letter-spacing:.12em;line-height:1.1}
.brand-text em{display:block;font-style:normal;font-size:.6rem;letter-spacing:.3em;font-weight:600;color:var(--teal)}
.nav-links{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav-links a{position:relative;padding:8px 14px;font-size:.96rem;color:var(--ink-2);border-radius:8px;transition:.25s;white-space:nowrap}
.nav-links a::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--fire),var(--accent-2));transform:scaleX(0);transform-origin:left;transition:.3s}
.nav-links a:hover,.nav-links a.is-active{color:#fff}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;padding:8px;margin-left:auto}
.nav-toggle span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.3s}
.nav-cta{margin-left:6px;flex-shrink:0}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;
  font-weight:800;letter-spacing:.06em;transition:.28s;border:0;text-align:center;position:relative}
.btn-primary{color:#2a1400;padding:12px 30px;font-size:1.02rem;
  background:linear-gradient(135deg,#e07600,#f0a830 48%,#ffcf5c);
  box-shadow:0 8px 26px rgba(240,168,48,.45),inset 0 1px 0 rgba(255,255,255,.5)}
.btn-primary:hover{transform:translateY(-2px);
  box-shadow:0 14px 36px rgba(240,168,48,.6),inset 0 1px 0 rgba(255,255,255,.5)}
.btn-ghost{color:var(--ink);padding:12px 26px;font-size:1rem;border:1px solid var(--card-b);
  background:rgba(48,208,200,.06);backdrop-filter:blur(6px)}
.btn-ghost:hover{border-color:var(--teal);color:#fff;background:rgba(48,208,200,.14);
  box-shadow:0 8px 26px rgba(48,208,200,.22)}
.btn-ios{background:linear-gradient(135deg,#1697a8,#3ad8d8);color:#04282c;
  box-shadow:0 8px 26px rgba(48,208,200,.4),inset 0 1px 0 rgba(255,255,255,.5)}
.btn-ios:hover{box-shadow:0 14px 34px rgba(48,208,200,.55),inset 0 1px 0 rgba(255,255,255,.5)}
.btn-sm{padding:10px 20px;font-size:.9rem}

/* ---------- Hero 主视觉 ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden;
  padding:130px 0 90px;background:#080604}
.hero-slider{position:absolute;inset:0;z-index:0}
.hero-slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;
  transition:opacity 1.1s ease,transform 8s linear}
.hero-slide.is-active{opacity:1;transform:scale(1.06);animation:kenburns 9s ease-out forwards}
@keyframes kenburns{from{transform:scale(1)}to{transform:scale(1.09)}}
.hero-mask{position:absolute;inset:0;z-index:1;background:
  linear-gradient(90deg,rgba(8,6,4,.94) 0%,rgba(8,6,4,.72) 44%,rgba(8,6,4,.28) 100%),
  linear-gradient(0deg,rgba(8,6,4,.97) 0%,rgba(8,6,4,.35) 30%,transparent 66%,rgba(8,6,4,.9) 100%)}
/* 能量光球 */
.hero-orb{position:absolute;z-index:1;border-radius:50%;pointer-events:none;filter:blur(2px);
  background:radial-gradient(circle at 35% 30%,#fff6dd,#ffcf5c 42%,rgba(216,96,0,.35) 68%,transparent 72%);
  box-shadow:0 0 60px rgba(240,168,48,.5),0 0 130px rgba(240,168,48,.28)}
.hero-orb-a{width:120px;height:120px;right:22%;top:26%;animation:floatY 7s ease-in-out infinite}
.hero-orb-b{width:66px;height:66px;right:38%;bottom:24%;
  background:radial-gradient(circle at 35% 30%,#eafffb,#7ff0e0 44%,rgba(0,170,170,.3) 70%,transparent 74%);
  box-shadow:0 0 50px rgba(48,208,200,.5),0 0 110px rgba(48,208,200,.3);
  animation:floatY 5.5s ease-in-out infinite reverse}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-22px)}}
.hero-inner{position:relative;z-index:2;width:min(1200px,92%);margin:0 auto}
.hero-tag{display:inline-flex;align-items:center;gap:10px;padding:7px 18px;border-radius:999px;font-size:.9rem;
  letter-spacing:.16em;color:var(--accent-3);border:1px solid rgba(240,168,48,.5);
  background:rgba(216,96,0,.14);backdrop-filter:blur(6px);margin-bottom:22px}
.hero-tag::before{content:"✦";color:var(--accent-2)}
.hero-title{font-size:clamp(2.4rem,6.4vw,4.8rem);font-weight:900;letter-spacing:.06em;line-height:1.1;
  text-shadow:0 6px 34px rgba(0,0,0,.6)}
.hero-title .title-accent{display:block;font-size:.46em;font-weight:900;letter-spacing:.18em;margin-top:14px;
  background:linear-gradient(110deg,var(--accent-2),var(--accent) 45%,var(--teal));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 6px 26px rgba(240,168,48,.35))}
.hero-sub{max-width:640px;margin-top:22px;color:var(--ink-2);font-size:clamp(.98rem,1.6vw,1.12rem)}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px 26px;margin-top:24px;font-size:.95rem;color:var(--ink-2)}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.dot-gold,.dot-fire,.dot-cyan{width:9px;height:9px;border-radius:50%;display:inline-block;box-shadow:0 0 10px currentColor}
.dot-gold{background:var(--accent-2);color:var(--accent-2)}
.dot-fire{background:var(--fire);color:var(--fire)}
.dot-cyan{background:var(--teal);color:var(--teal)}
.hero-actions{display:flex;align-items:center;gap:16px;margin-top:36px;flex-wrap:wrap}
.btn-download-wrap{position:relative;display:inline-flex}
.btn-qr{position:absolute;left:calc(100% + 14px);top:50%;transform:translateY(-50%) scale(.9);
  background:var(--bg-3);border:1px solid var(--card-b);border-radius:14px;padding:10px;width:132px;text-align:center;
  opacity:0;visibility:hidden;transition:.3s;box-shadow:0 18px 44px rgba(0,0,0,.6);z-index:5}
.btn-download-wrap:hover .btn-qr,.btn-qr.show{opacity:1;visibility:visible;transform:translateY(-50%) scale(1)}
.btn-qr-box{width:108px;height:108px;margin:0 auto;display:grid;place-items:center;font-size:.72rem;
  color:var(--muted);background:#fff;border-radius:8px;overflow:hidden}
.btn-qr em{display:block;font-style:normal;font-size:.78rem;color:var(--teal);margin-top:6px;letter-spacing:.2em}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:56px;max-width:760px}
.stat{padding:16px 18px;border-radius:16px;background:rgba(255,255,255,.05);border:1px solid var(--card-b);
  backdrop-filter:blur(10px);text-align:center;position:relative;overflow:hidden}
.stat::after{content:"";position:absolute;inset:auto 0 0;height:2px;
  background:linear-gradient(90deg,transparent,var(--accent),transparent);opacity:.7}
.stat strong{display:block;font-size:clamp(1.3rem,3vw,1.85rem);font-weight:900;
  background:linear-gradient(120deg,var(--accent-3),var(--accent));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{font-size:.78rem;color:var(--muted);letter-spacing:.04em}
.hero-controls{position:absolute;right:calc((100vw - min(1200px,92%))/2);bottom:120px;z-index:3;
  display:flex;flex-direction:column;align-items:center;gap:14px}
.hero-arrow{width:42px;height:42px;border-radius:50%;border:1px solid var(--card-b);background:rgba(255,255,255,.06);
  color:var(--ink);font-size:1.3rem;line-height:1;backdrop-filter:blur(6px);transition:.25s}
.hero-arrow:hover{background:var(--accent);border-color:var(--accent);color:#2a1400;
  box-shadow:0 6px 20px rgba(240,168,48,.55)}
.hero-dots{display:flex;flex-direction:column;gap:8px}
.hero-dots span{width:8px;height:8px;border-radius:99px;background:rgba(255,255,255,.3);transition:.3s;cursor:pointer}
.hero-dots span.is-active{height:26px;background:linear-gradient(var(--accent-2),var(--fire))}
.scroll-hint{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:3;color:var(--muted);
  font-size:.74rem;letter-spacing:.4em;display:flex;flex-direction:column;align-items:center;gap:8px}
.scroll-hint::after{content:"";width:1px;height:36px;background:linear-gradient(var(--teal),transparent);
  animation:drip 1.6s ease-in-out infinite}
@keyframes drip{0%{transform:scaleY(0);transform-origin:top}55%{transform:scaleY(1);transform-origin:top}
  56%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ---------- 亮点条 ---------- */
.highlight{padding:0;transform:translateY(-1px)}
.highlight-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.5)}
.highlight-grid li{background:linear-gradient(160deg,var(--bg-2),var(--bg));padding:26px 24px;
  display:flex;align-items:center;gap:16px}
.hl-icon{width:46px;height:46px;border-radius:13px;flex-shrink:0;position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--fire),var(--accent));box-shadow:0 8px 22px rgba(216,96,0,.4)}
.hl-icon::before{content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 30% 25%,rgba(255,255,255,.45),transparent 42%)}
.hl-icon svg{position:absolute;inset:0;margin:auto}
.hl-grid strong{display:block;font-size:1.05rem;font-weight:800;letter-spacing:.03em}
.hl-grid span{font-size:.82rem;color:var(--muted)}

/* ---------- 上线福利 ---------- */
.welfare{background:linear-gradient(180deg,transparent,rgba(240,168,48,.05) 42%,transparent)}
.welfare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.welfare-card{position:relative;padding:30px 26px 26px;border-radius:20px;overflow:hidden;
  background:var(--card);border:1px solid var(--card-b);backdrop-filter:blur(8px);transition:.35s}
.welfare-card::before{content:"";position:absolute;inset:0 0 auto;height:3px;transform:scaleX(0);transform-origin:left;
  background:linear-gradient(90deg,var(--accent-2),var(--fire));transition:.45s}
.welfare-card:hover{transform:translateY(-6px);border-color:rgba(240,168,48,.5);
  box-shadow:0 24px 48px rgba(0,0,0,.5),0 0 34px rgba(240,168,48,.12)}
.welfare-card:hover::before{transform:scaleX(1)}
.welfare-num{position:absolute;top:14px;right:18px;font-size:3rem;font-weight:900;line-height:1;color:transparent;
  -webkit-text-stroke:1px rgba(255,207,92,.32);user-select:none}
.welfare-ico{width:52px;height:52px;border-radius:15px;display:grid;place-items:center;margin-bottom:16px;
  background:linear-gradient(135deg,rgba(240,168,48,.22),rgba(168,120,192,.18));
  border:1px solid rgba(255,207,92,.35)}
.welfare-card h3{font-size:1.16rem;font-weight:800;margin-bottom:6px}
.welfare-card h3 em{font-style:normal;color:var(--accent-2)}
.welfare-card p{color:var(--ink-2);font-size:.92rem}
.welfare-card p em{font-style:normal;color:var(--accent-2);font-weight:700}
.welfare-card .tag{display:inline-block;margin-top:12px;padding:4px 12px;border-radius:99px;font-size:.74rem;
  letter-spacing:.12em;color:var(--accent-3);border:1px solid rgba(255,207,92,.38);background:rgba(216,96,0,.1)}
/* 整行宽卡 */
.welfare-card.is-wide{grid-column:1/-1;display:flex;align-items:center;gap:22px;padding:28px 32px;
  background:linear-gradient(110deg,rgba(216,96,0,.16),rgba(168,120,192,.12) 55%,rgba(48,208,200,.1));
  border-color:rgba(255,207,92,.34)}
.welfare-card.is-wide .welfare-ico{margin-bottom:0;flex-shrink:0;
  background:linear-gradient(135deg,var(--accent),var(--fire));border:0;
  box-shadow:0 10px 26px rgba(216,96,0,.4)}
.welfare-wide-copy{flex:1;min-width:0}
.welfare-wide-copy h3{margin-bottom:4px}
.welfare-card.is-wide .tag{margin-top:0;flex-shrink:0;white-space:nowrap}

/* ---------- 玩法图鉴(features) ---------- */
.features{background:linear-gradient(180deg,transparent,rgba(38,23,8,.55) 45%,transparent)}
.feature-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.feature-card{border-radius:18px;overflow:hidden;border:1px solid var(--card-b);position:relative;
  background:var(--bg-2);transition:.35s}
.feature-card:hover{transform:translateY(-6px) scale(1.01);border-color:rgba(240,168,48,.6);
  box-shadow:0 22px 46px rgba(0,0,0,.55),0 0 30px rgba(240,168,48,.14)}
.feature-pic{aspect-ratio:3/5;overflow:hidden;position:relative}
.feature-pic img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;filter:saturate(1.05)}
.feature-card:hover .feature-pic img{transform:scale(1.1)}
.feature-pic::after{content:"";position:absolute;inset:45% 0 0;background:linear-gradient(transparent,rgba(11,8,5,.96))}
.feature-body{position:absolute;left:0;right:0;bottom:0;padding:14px 16px 16px;z-index:1}
.feature-body .f-no{font-size:.7rem;letter-spacing:.34em;color:var(--teal)}
.feature-body h3{font-size:1.05rem;font-weight:800;margin:2px 0 4px}
.feature-body p{font-size:.78rem;color:var(--ink-2);opacity:.9}

/* ---------- 游戏简介(battle) ---------- */
.battle{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
.battle-media{position:relative;border-radius:24px;overflow:hidden;border:1px solid var(--card-b);
  box-shadow:0 32px 74px rgba(0,0,0,.6)}
.battle-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:1/1}
.battle-media::before{content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,transparent 52%,rgba(216,96,0,.3));mix-blend-mode:screen;pointer-events:none}
.battle-media .sheen-frame{position:absolute;inset:-1px;pointer-events:none;border-radius:24px;
  background:linear-gradient(120deg,transparent 30%,rgba(255,207,92,.5) 50%,transparent 70%) no-repeat;
  background-size:300% 100%;animation:sheen 5s linear infinite;mix-blend-mode:screen}
@keyframes sheen{0%{background-position:200% 0}100%{background-position:-100% 0}}
.battle-float{position:absolute;left:22px;bottom:22px;display:flex;gap:10px;flex-wrap:wrap}
.battle-float span{padding:7px 14px;border-radius:99px;font-size:.76rem;background:rgba(11,8,5,.74);
  border:1px solid rgba(48,208,200,.4);color:var(--accent-3);backdrop-filter:blur(8px);letter-spacing:.1em}
.vert-tag{display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;color:var(--teal);
  font-weight:700;letter-spacing:.28em;font-size:.85rem}
.vert-tag::before{content:"";width:34px;height:2px;background:linear-gradient(90deg,var(--fire),var(--accent-2))}
.battle-copy h2{font-size:clamp(1.7rem,3.6vw,2.45rem);font-weight:900;line-height:1.28;margin-bottom:18px}
.battle-copy h2 .accent{background:linear-gradient(120deg,var(--accent-2),var(--accent));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.battle-copy p{color:var(--ink-2);margin-bottom:14px}
.battle-list{display:grid;gap:12px;margin-top:22px}
.battle-list li{display:flex;gap:14px;align-items:flex-start;padding:14px 16px;border-radius:14px;
  background:var(--card);border:1px solid var(--card-b);transition:.3s}
.battle-list li:hover{border-color:rgba(240,168,48,.45);background:rgba(240,168,48,.06)}
.battle-list b{display:grid;width:26px;height:26px;border-radius:8px;flex-shrink:0;place-items:center;
  font-size:.8rem;color:#2a1400;background:linear-gradient(135deg,var(--accent-2),var(--accent));
  box-shadow:0 4px 14px rgba(240,168,48,.4)}
.battle-list div strong{display:block;font-size:.98rem}
.battle-list div span{font-size:.85rem;color:var(--muted)}

/* ---------- 玩法攻略 ---------- */
.guide{background:linear-gradient(180deg,transparent,rgba(48,208,200,.055) 50%,transparent)}
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.guide-card{position:relative;padding:30px 26px 26px;border-radius:20px;overflow:hidden;
  background:var(--card);border:1px solid var(--card-b);backdrop-filter:blur(8px);transition:.35s}
.guide-card::before{content:"";position:absolute;inset:0 0 auto;height:3px;transform:scaleX(0);transform-origin:left;
  background:linear-gradient(90deg,var(--teal),var(--violet));transition:.45s}
.guide-card:hover{transform:translateY(-6px);border-color:rgba(48,208,200,.5);
  box-shadow:0 24px 48px rgba(0,0,0,.5),0 0 30px rgba(48,208,200,.12)}
.guide-card:hover::before{transform:scaleX(1)}
.g-ico{width:52px;height:52px;border-radius:15px;display:grid;place-items:center;margin-bottom:16px;
  background:linear-gradient(135deg,rgba(48,208,200,.18),rgba(168,120,192,.18));
  border:1px solid rgba(48,208,200,.35)}
.guide-card h3{font-size:1.16rem;font-weight:800;margin-bottom:6px}
.guide-card p{color:var(--ink-2);font-size:.92rem}
.guide-card .tag{display:inline-block;margin-top:12px;padding:4px 12px;border-radius:99px;font-size:.74rem;
  letter-spacing:.12em;color:#cdf2ee;border:1px solid rgba(48,208,200,.38);background:rgba(48,208,200,.08)}

/* ---------- 截图实景(stage) ---------- */
.gallery{background:linear-gradient(180deg,transparent,rgba(168,120,192,.07) 50%,transparent)}
.stage{display:grid;grid-template-columns:.92fr 1.08fr;gap:54px;align-items:center}
.stage-copy h2{font-size:clamp(1.7rem,3.6vw,2.45rem);font-weight:900;margin-bottom:16px;line-height:1.28}
.stage-copy .accent{background:linear-gradient(120deg,var(--accent-2),var(--accent));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.stage-copy p{color:var(--ink-2)}
.slider-main{position:relative;border-radius:22px;overflow:hidden;border:1px solid var(--card-b);
  box-shadow:0 32px 84px rgba(0,0,0,.6);aspect-ratio:16/9;background:var(--bg-2)}
.slider-main img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;opacity:0;
  transition:opacity .7s;cursor:pointer}
.slider-main img.is-active{opacity:1}
.slider-main .s-arw{position:absolute;top:50%;transform:translateY(-50%);z-index:2;width:40px;height:40px;
  border-radius:50%;border:1px solid rgba(255,255,255,.28);background:rgba(11,8,5,.55);color:#fff;font-size:1.15rem;
  backdrop-filter:blur(6px);transition:.25s}
.slider-main .s-arw:hover{background:var(--accent);border-color:var(--accent);color:#2a1400}
.slider-main .prev{left:14px}
.slider-main .next{right:14px}
.slider-dots{position:absolute;bottom:14px;left:50%;transform:translateX(-50%);display:flex;gap:8px;z-index:2}
.slider-dots span{width:8px;height:8px;border-radius:99px;background:rgba(255,255,255,.45);transition:.3s;cursor:pointer}
.slider-dots span.is-active{width:24px;background:var(--accent-2)}
.slider-thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}
.slider-thumbs img{aspect-ratio:16/9;object-fit:cover;width:100%;border-radius:12px;border:1px solid var(--card-b);
  opacity:.5;transition:.3s;cursor:pointer}
.slider-thumbs img:hover{opacity:.9}
.slider-thumbs img.is-active{opacity:1;border-color:var(--accent);box-shadow:0 0 0 1px var(--accent),0 8px 24px rgba(240,168,48,.25)}

/* ---------- 视频区 ---------- */
.video-section{background:linear-gradient(180deg,transparent,rgba(216,96,0,.07) 42%,transparent)}
.video-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.video-grid-single{grid-template-columns:1fr;max-width:880px;margin:0 auto}
.video-card{border-radius:20px;overflow:hidden;background:var(--bg-2);border:1px solid var(--card-b);transition:.35s}
.video-card:hover{transform:translateY(-6px);border-color:rgba(240,168,48,.5);
  box-shadow:0 26px 54px rgba(0,0,0,.55)}
.video-box{position:relative;aspect-ratio:16/9;background:#000}
.video-box video{width:100%;height:100%;object-fit:cover;display:block}
.video-cap{padding:16px 20px;display:flex;align-items:center;gap:12px}
.video-cap .play-dot{width:40px;height:40px;border-radius:12px;flex-shrink:0;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--fire),var(--accent-2));color:#fff;
  box-shadow:0 6px 18px rgba(216,96,0,.4)}
.video-cap strong{display:block;font-size:.98rem}
.video-cap span{font-size:.8rem;color:var(--muted)}

/* ---------- 充值福利细则 ---------- */
.rebate{background:radial-gradient(80% 120% at 50% 0%,rgba(240,168,48,.12),transparent 62%)}
.rebate-panel{position:relative;border-radius:26px;overflow:hidden;padding:56px 48px;
  background:linear-gradient(135deg,rgba(216,96,0,.12),rgba(168,120,192,.08) 55%,rgba(48,208,200,.07));
  border:1px solid rgba(255,207,92,.3);box-shadow:inset 0 0 90px rgba(240,168,48,.06)}
.rebate-panel::before{content:"宇宙";position:absolute;right:-10px;bottom:-40px;font-size:9rem;font-weight:900;
  color:rgba(255,255,255,.03);letter-spacing:.08em;pointer-events:none}
.rebate-flex{display:grid;grid-template-columns:1.08fr 1fr;gap:44px;align-items:center;position:relative;z-index:1}
.rate-box h2{font-size:clamp(1.7rem,3.6vw,2.45rem);font-weight:900;line-height:1.32}
.rate-box h2 .accent{background:linear-gradient(120deg,var(--accent-3),var(--accent));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.rate-box p{color:var(--ink-2);margin-top:12px}
.rate-stats{display:flex;gap:14px;margin-top:22px;flex-wrap:wrap}
.rate-stats .rs{flex:1;min-width:130px;text-align:center;padding:18px 10px;border-radius:16px;
  background:rgba(11,8,5,.5);border:1px solid var(--card-b)}
.rate-stats .rs strong{display:block;font-size:1.5rem;font-weight:900;color:var(--accent-2)}
.rate-stats .rs span{font-size:.78rem;color:var(--muted)}
.rebate-list{display:grid;gap:10px}
.rebate-list li{display:flex;gap:14px;align-items:center;padding:14px 18px;border-radius:15px;
  background:rgba(11,8,5,.44);border:1px solid var(--card-b);transition:.3s}
.rebate-list li:hover{border-color:rgba(240,168,48,.4);background:rgba(240,168,48,.07)}
.rebate-list li i{width:34px;height:34px;flex-shrink:0;border-radius:10px;display:grid;place-items:center;
  font-style:normal;font-weight:900;color:#2a1400;font-size:.92rem;
  background:linear-gradient(135deg,var(--accent-2),var(--accent));box-shadow:0 4px 14px rgba(240,168,48,.32)}
.rebate-list li span{font-size:.95rem}
.rebate-list li span b{color:var(--accent-2)}

/* ---------- 图片墙(氛围) ---------- */
.mosaic{display:grid;grid-template-columns:repeat(10,1fr);grid-auto-rows:92px;gap:12px}
.mosaic figure{border-radius:14px;overflow:hidden;position:relative;border:1px solid var(--card-b);cursor:pointer}
.mosaic figure img{width:100%;height:100%;object-fit:cover;transition:.5s}
.mosaic figure:hover img{transform:scale(1.12)}
.mosaic figure::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 44px rgba(0,0,0,.4)}
.m-m1{grid-column:span 3;grid-row:span 2}
.m-m2{grid-column:span 4;grid-row:span 3}
.m-m3{grid-column:span 3;grid-row:span 2}
.m-m4{grid-column:span 2;grid-row:span 2}
.m-m5{grid-column:span 2;grid-row:span 1}
.m-m6{grid-column:span 3;grid-row:span 2}

/* ---------- 常见问题 ---------- */
.faq{background:linear-gradient(180deg,transparent,rgba(48,208,200,.06) 50%,transparent)}
.faq-list{max-width:920px;margin:0 auto;display:grid;gap:12px}
.faq-item{border-radius:16px;background:var(--card);border:1px solid var(--card-b);overflow:hidden;transition:.3s}
.faq-item:hover{border-color:rgba(240,168,48,.45);background:rgba(240,168,48,.05)}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 22px;display:flex;gap:12px;align-items:center;
  font-weight:800;font-size:1.02rem;line-height:1.5}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .q{width:24px;height:24px;flex-shrink:0;border-radius:7px;display:grid;place-items:center;
  font-size:.78rem;color:#2a1400;background:linear-gradient(135deg,var(--accent-2),var(--accent));
  box-shadow:0 4px 12px rgba(240,168,48,.35)}
.faq-item summary::after{content:"+";margin-left:auto;font-size:1.4rem;font-weight:400;color:var(--accent-2);
  line-height:1;transition:.3s}
.faq-item[open] summary{color:var(--accent-2)}
.faq-item[open] summary::after{content:"–";transform:rotate(180deg)}
.faq-item p{padding:0 22px 20px 58px;color:var(--ink-2);font-size:.94rem}

/* ---------- 下载区 ---------- */
.download{padding:60px 0}
.dl-card{position:relative;border-radius:28px;overflow:hidden;padding:64px 48px;text-align:center;
  background:linear-gradient(135deg,#1e1206,#2a1a08 45%,#121009);border:1px solid rgba(255,207,92,.28)}
.dl-card::before{content:"";position:absolute;inset:-40%;z-index:0;pointer-events:none;
  background:conic-gradient(from 0deg,transparent 0 40%,rgba(240,168,48,.26) 50%,transparent 60% 100%);
  animation:spin 11s linear infinite}
.dl-card::after{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(60% 60% at 50% 120%,rgba(168,120,192,.28),transparent 70%)}
@keyframes spin{to{transform:rotate(1turn)}}
.dl-inner{position:relative;z-index:1}
.dl-card h2{font-size:clamp(1.7rem,4.2vw,2.9rem);font-weight:900;letter-spacing:.06em;line-height:1.2}
.dl-card h2 .accent{background:linear-gradient(120deg,var(--accent-2),var(--accent) 55%,var(--teal));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.dl-card .dl-sub{color:var(--ink-2);margin-top:10px}
.dl-flags{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin:22px 0 30px}
.dl-flags span{padding:6px 16px;border-radius:99px;border:1px solid rgba(255,207,92,.35);
  color:var(--accent-3);font-size:.84rem;background:rgba(216,96,0,.12)}
.dl-actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
.dl-hint{margin-top:18px;font-size:.8rem;color:var(--muted)}
.dl-hint b{color:var(--accent-2);font-weight:700}
.dl-qr-row{display:flex;justify-content:center;margin-top:30px}
.dl-qr-item{text-align:center}
.dl-qr-item .btn-qr-box{display:block;width:180px;height:180px;margin:0 auto;padding:10px;
  background:#fff;border-radius:14px;box-shadow:0 16px 44px rgba(0,0,0,.5)}
.dl-qr-item .btn-qr-box img,.dl-qr-item .btn-qr-box canvas{width:100%!important;height:100%!important}
.dl-qr-item em{display:block;font-style:normal;margin-top:14px;font-size:.88rem;color:var(--ink-2);letter-spacing:.12em}

/* ---------- 页脚 ---------- */
.footer{border-top:1px solid var(--line);padding:46px 0 30px;
  background:linear-gradient(180deg,transparent,rgba(168,120,192,.07))}
.footer-grid{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;align-items:flex-start}
.footer-brand{display:flex;align-items:center;gap:12px}
.footer-brand img{width:52px;height:52px;border-radius:14px;object-fit:cover}
.footer-brand strong{display:block;font-size:1.15rem;letter-spacing:.1em}
.footer-brand small{color:var(--muted);font-size:.78rem}
.footer-links{display:flex;gap:22px;flex-wrap:wrap}
.footer-links a{color:var(--ink-2);font-size:.9rem;transition:.2s}
.footer-links a:hover{color:var(--accent-2)}
.footer-copy{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:30px;padding-top:20px;
  border-top:1px dashed var(--line);color:var(--muted);font-size:.78rem}

/* ---------- 弹层(图片查看) ---------- */
.lightbox{position:fixed;inset:0;z-index:200;display:grid;place-items:center;background:rgba(8,5,2,.94);
  backdrop-filter:blur(10px);opacity:0;visibility:hidden;transition:.3s;padding:4vw}
.lightbox.show{opacity:1;visibility:visible}
.lightbox img{max-width:min(92vw,1100px);max-height:86vh;border-radius:16px;box-shadow:0 30px 90px rgba(0,0,0,.85)}
.lightbox button{position:absolute;top:24px;right:30px;background:none;border:0;color:#fff;font-size:2.2rem;
  line-height:1;transition:.3s}
.lightbox button:hover{transform:rotate(90deg);color:var(--accent-2)}

/* ---------- 提示气泡 ---------- */
.toast{position:fixed;left:50%;bottom:88px;transform:translateX(-50%) translateY(20px);z-index:210;
  padding:12px 22px;border-radius:12px;font-size:.92rem;letter-spacing:.04em;color:var(--accent-3);
  background:rgba(26,17,8,.95);border:1px solid rgba(255,207,92,.4);
  box-shadow:0 16px 44px rgba(0,0,0,.6);opacity:0;visibility:hidden;transition:.35s;max-width:88vw;text-align:center}
.toast.show{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}

/* ---------- 进场动画 ---------- */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.65,.25,1)}
.reveal.in{opacity:1;transform:none}
.d1{transition-delay:.08s}.d2{transition-delay:.16s}.d3{transition-delay:.24s}.d4{transition-delay:.32s}

/* ---------- 返回顶部 ---------- */
.to-top{position:fixed;right:24px;bottom:28px;z-index:90;width:46px;height:46px;border-radius:14px;
  border:1px solid var(--card-b);background:rgba(38,23,8,.88);color:var(--accent-2);font-size:1.2rem;
  display:grid;place-items:center;opacity:0;visibility:hidden;transform:translateY(14px);transition:.35s;
  backdrop-filter:blur(8px)}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--accent);color:#2a1400;border-color:var(--accent)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .feature-grid{grid-template-columns:repeat(3,1fr)}
  .welfare-grid{grid-template-columns:repeat(2,1fr)}
  .guide-grid{grid-template-columns:repeat(2,1fr)}
  .mosaic{grid-auto-rows:70px}
  .hero-stats{max-width:none}
}
@media (max-width:860px){
  section{padding:64px 0}
  .nav-toggle{display:flex;order:3;margin-left:0}
  .nav-inner{gap:12px}
  .brand{margin-right:auto}
  .brand-text em{display:none}
  .nav-links{position:fixed;inset:0 0 auto;top:0;flex-direction:column;align-items:flex-start;gap:2px;
    background:rgba(11,8,5,.985);padding:90px 30px 26px;transform:translateY(-100%);transition:.4s;z-index:-1;
    box-shadow:0 30px 60px rgba(0,0,0,.65)}
  .nav-links.open{transform:none}
  .nav-links a{width:100%;font-size:1.1rem;padding:12px 6px;border-bottom:1px dashed rgba(255,255,255,.08)}
  .navbar.is-scrolled .nav-links{background:rgba(11,8,5,.985)}
  .nav-cta{margin-left:0;order:2}
  .hero-controls{display:none}
  .hero-orb-a{width:84px;height:84px;right:8%;top:14%}
  .hero-orb-b{display:none}
  .hero-stats{grid-template-columns:repeat(2,1fr);margin-top:38px}
  .highlight-grid{grid-template-columns:repeat(2,1fr)}
  .welfare-grid{grid-template-columns:1fr;max-width:580px;margin:0 auto}
  .welfare-card.is-wide{flex-wrap:wrap}
  .welfare-card.is-wide .tag{margin-top:10px}
  .battle,.stage,.rebate-flex{grid-template-columns:1fr;gap:32px}
  .guide-grid{grid-template-columns:1fr;max-width:580px;margin:0 auto}
  .slider-thumbs{grid-template-columns:repeat(6,1fr)}
  .video-grid{grid-template-columns:1fr}
  .faq-item p{padding:0 18px 18px 46px}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .mosaic{grid-auto-rows:56px}
  .dl-card{padding:44px 22px}
  .rebate-panel{padding:36px 22px}
  .footer-grid{flex-direction:column}
}
@media (max-width:520px){
  .brand-text{font-size:1.02rem;letter-spacing:.04em}
  .brand-icon{width:36px;height:36px}
  .nav-cta{padding:8px 14px;font-size:.82rem}
  .nav-toggle{padding:6px}
  .hero{padding-top:106px}
  .hero-actions .btn{width:100%}
  .hero-actions{flex-direction:column;align-items:stretch}
  .btn-download-wrap{width:100%}
  .btn-qr{left:auto;right:0;top:calc(100% + 10px);transform:translateY(0) scale(.9)}
  .btn-download-wrap:hover .btn-qr,.btn-qr.show{transform:none}
  .btn-qr{width:126px}
  .hero-title .title-accent{letter-spacing:.1em;font-size:.5em}
  .feature-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .feature-body p{display:none}
  .highlight-grid li{flex-direction:column;text-align:center;padding:18px 12px}
  .slider-thumbs{grid-template-columns:repeat(3,1fr)}
  .mosaic{grid-auto-rows:46px}
  .dl-actions{flex-direction:column;align-items:stretch}
  .welfare-card.is-wide{padding:24px 20px;text-align:center;justify-content:center}
  .welfare-card.is-wide .tag{margin:10px auto 0}
  .to-top{right:16px;bottom:18px}
}