/* ============================================================
   英雄之路 · 鬼杀队篇 — 游戏官网样式
   主题: 燃夜炎刃 × 朱红金焰 × 鬼杀队格纹
   ============================================================ */
:root{
  --bg:#0a0706;
  --bg-2:#140d0a;
  --bg-3:#201310;
  --ink:#fdf6ec;
  --ink-2:#e9d9c8;
  --muted:#a8907f;
  --flame:#ff6a1a;
  --flame-2:#ff9f1c;
  --gold:#ffcf6b;
  --gold-2:#ffedc2;
  --crimson:#d5241c;
  --crimson-2:#8f1410;
  --jade:#2fbb86;
  --shadow:rgba(0,0,0,.55);
  --card:rgba(255,255,255,.042);
  --card-b:rgba(255,138,64,.18);
  --line:rgba(255,138,64,.14);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --radius:20px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--ink);
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%}
a{text-decoration:none;color:inherit}
button{font-family:inherit;cursor:pointer;color:inherit}
ul{list-style:none}
::selection{background:rgba(213,36,28,.6);color:#fff}

/* 滚动条 */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#0d0907}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,var(--flame),var(--crimson));border-radius:99px;border:2px solid #0d0907}

/* ---------- 背景氛围 ---------- */
.ambient-glow{position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(58% 44% at 82% -6%,rgba(255,106,26,.17),transparent 62%),
    radial-gradient(48% 38% at 4% 14%,rgba(213,36,28,.15),transparent 62%),
    radial-gradient(46% 46% at 50% 112%,rgba(47,187,134,.06),transparent 64%),
    var(--bg);
}
.ambient-glow::after{content:"";position:fixed;inset:0;opacity:.055;z-index:-1;
  background-image:radial-gradient(rgba(255,255,255,.55) 1px,transparent 1px);
  background-size:36px 36px;}

/* ---------- 顶部滚动进度 ---------- */
.scroll-progress{position:fixed;top:0;left:0;height:2px;width:0;z-index:120;
  background:linear-gradient(90deg,var(--crimson),var(--flame),var(--gold));
  box-shadow:0 0 14px rgba(255,106,26,.8);transition:width .12s linear}

/* ---------- 通用容器 ---------- */
.container{width:min(1200px,92%);margin:0 auto;position:relative;z-index:1}
section{padding:92px 0;position:relative}
.section-head{text-align:center;margin-bottom:54px}
.section-eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:.78rem;letter-spacing:.42em;
  color:var(--gold);text-transform:uppercase;font-weight:700}
.section-eyebrow::before,.section-eyebrow::after{content:"";width:28px;height:1px;
  background:linear-gradient(90deg,transparent,var(--gold))}
.section-eyebrow::after{transform:scaleX(-1)}
.section-title{font-size:clamp(1.72rem,4.2vw,2.72rem);font-weight:900;margin:12px 0 8px;
  letter-spacing:.04em;line-height:1.25}
.section-title .accent{background:linear-gradient(110deg,var(--flame) 0%,var(--gold) 52%,var(--gold-2) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.section-sub{color:var(--ink-2);font-size:1rem}

/* ---------- 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:#2b1205;padding:13px 32px;font-size:1.02rem;
  background:linear-gradient(135deg,#ff7a1f,#ffb03c 50%,#ffe0a0);
  box-shadow:0 8px 26px rgba(255,106,26,.42),inset 0 1px 0 rgba(255,255,255,.5)}
.btn-primary:hover{transform:translateY(-2px);
  box-shadow:0 16px 38px rgba(255,106,26,.6),inset 0 1px 0 rgba(255,255,255,.5)}
.btn-ghost{color:var(--ink);padding:13px 26px;font-size:1rem;border:1px solid var(--card-b);
  background:rgba(255,255,255,.05);backdrop-filter:blur(6px)}
.btn-ghost:hover{border-color:var(--flame);color:var(--gold-2);background:rgba(213,36,28,.16)}
.btn-ios{background:linear-gradient(135deg,#d5241c,#ff5a2b);
  box-shadow:0 8px 26px rgba(213,36,28,.45),inset 0 1px 0 rgba(255,255,255,.32);color:#fff}
.btn-ios:hover{box-shadow:0 16px 38px rgba(213,36,28,.62),inset 0 1px 0 rgba(255,255,255,.32)}
.btn-sm{padding:10px 20px;font-size:.9rem}

/* ---------- 顶部导航 ---------- */
.navbar{position:fixed;top:0;left:0;right:0;z-index:100;transition:.35s;
  background:linear-gradient(180deg,rgba(10,7,6,.86),rgba(10,7,6,0));padding:14px 0}
.navbar.is-scrolled{background:rgba(10,7,6,.94);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 var(--card-b),0 8px 22px rgba(255,106,26,.32)}
.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:.34em;font-weight:500;color:var(--gold)}
.nav-links{display:flex;gap:2px;margin-left:auto;align-items:center}
.nav-links a{position:relative;padding:8px 13px;font-size:.95rem;color:var(--ink-2);border-radius:8px;
  transition:.25s;white-space:nowrap}
.nav-links a::after{content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--flame),var(--gold));transform:scaleX(0);transform-origin:left;transition:.3s}
.nav-links a:hover,.nav-links a.is-active{color:var(--ink)}
.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-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-cta{margin-left:6px;flex-shrink:0}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden;
  padding:136px 0 96px;background:#080504}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:190px;z-index:2;pointer-events:none;
  background:radial-gradient(ellipse at 50% 130%,rgba(255,106,26,.34),transparent 62%)}
.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}
.hero-slide.is-active{opacity:1;animation:kenburns 9s ease-out forwards}
@keyframes kenburns{from{transform:scale(1)}to{transform:scale(1.07)}}
.hero-mask{position:absolute;inset:0;z-index:1;background:
  linear-gradient(90deg,rgba(8,5,4,.94) 0%,rgba(8,5,4,.72) 38%,rgba(8,5,4,.18) 78%,rgba(8,5,4,.35) 100%),
  linear-gradient(0deg,rgba(10,7,6,.97) 0%,transparent 34%,transparent 66%,rgba(8,5,4,.78) 100%)}
.hero-kanji{position:absolute;right:2%;top:16%;z-index:1;font-size:clamp(9rem,26vw,24rem);font-weight:900;
  line-height:1;color:transparent;-webkit-text-stroke:1px rgba(255,138,64,.14);pointer-events:none;
  user-select:none;letter-spacing:.05em}
.hero-inner{position:relative;z-index:3;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:.88rem;
  letter-spacing:.16em;color:var(--gold-2);border:1px solid rgba(255,138,64,.48);
  background:rgba(213,36,28,.18);backdrop-filter:blur(6px);margin-bottom:20px;
  box-shadow:0 0 24px rgba(213,36,28,.22) inset}
.hero-tag::before{content:"✦";color:var(--gold);animation:twinkle 2.4s ease-in-out infinite}
@keyframes twinkle{0%,100%{opacity:.45;transform:scale(.9)}50%{opacity:1;transform:scale(1.15)}}
.hero-title{font-size:clamp(2.5rem,6.4vw,4.9rem);font-weight:900;letter-spacing:.05em;line-height:1.1;
  text-shadow:0 6px 34px rgba(0,0,0,.6)}
.hero-title .title-accent{display:block;font-size:.43em;font-weight:900;letter-spacing:.2em;margin-top:14px;
  background:linear-gradient(110deg,var(--gold) 0%,var(--flame) 55%,var(--crimson) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 4px 22px rgba(255,106,26,.35))}
.hero-sub{max-width:640px;margin-top:22px;color:var(--ink-2);font-size:clamp(.95rem,1.55vw,1.1rem)}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:22px;font-size:.93rem;color:var(--ink-2)}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.dot-flame,.dot-gold,.dot-jade{width:8px;height:8px;border-radius:50%;display:inline-block;
  box-shadow:0 0 10px currentColor}
.dot-flame{background:var(--flame);color:var(--flame)}
.dot-gold{background:var(--gold);color:var(--gold)}
.dot-jade{background:var(--jade);color:var(--jade)}

/* Hero 倒计时 */
.hero-countdown{display:flex;align-items:center;gap:16px;margin-top:26px;flex-wrap:wrap;
  padding:12px 18px;border-radius:16px;width:fit-content;
  background:linear-gradient(120deg,rgba(213,36,28,.18),rgba(255,106,26,.06));
  border:1px solid rgba(255,138,64,.24);backdrop-filter:blur(8px)}
.cd-label{font-size:.82rem;letter-spacing:.14em;color:var(--gold);font-weight:700;white-space:nowrap}
.cd-cells{display:flex;gap:8px;align-items:stretch}
.cd-cell{min-width:56px;padding:6px 8px 5px;border-radius:10px;text-align:center;background:rgba(10,7,6,.62);
  border:1px solid rgba(255,138,64,.22)}
.cd-cell b{display:block;font-size:1.28rem;font-weight:900;line-height:1.2;letter-spacing:.04em;
  color:var(--gold-2);font-variant-numeric:tabular-nums;
  text-shadow:0 0 16px rgba(255,106,26,.45)}
.cd-cell em{display:block;font-style:normal;font-size:.66rem;color:var(--muted);letter-spacing:.18em}
.hero-countdown.is-live .cd-label{color:var(--jade)}
.hero-countdown.is-live .cd-cells{display:none}

.hero-actions{display:flex;align-items:center;gap:16px;margin-top:32px;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:repeating-linear-gradient(45deg,var(--bg-2),var(--bg-2) 8px,var(--bg-3) 8px,var(--bg-3) 16px);
  border-radius:6px;border:1px dashed var(--card-b)}
.btn-qr em{display:block;font-style:normal;font-size:.78rem;color:var(--gold);margin-top:6px;letter-spacing:.2em}

.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:52px;max-width:760px}
.stat{padding:16px 14px;border-radius:16px;background:rgba(255,255,255,.05);border:1px solid var(--card-b);
  backdrop-filter:blur(10px);text-align:center;transition:.3s}
.stat:hover{border-color:rgba(255,138,64,.45);transform:translateY(-3px)}
.stat strong{display:block;font-size:clamp(1.35rem,2.9vw,1.85rem);font-weight:900;
  background:linear-gradient(110deg,var(--gold-2),var(--flame));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{font-size:.76rem;color:var(--muted);letter-spacing:.04em}
.hero-controls{position:absolute;right:calc((100vw - min(1200px,92%))/2);bottom:122px;z-index:4;
  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:linear-gradient(135deg,var(--flame),var(--crimson));border-color:var(--flame);
  box-shadow:0 6px 20px rgba(255,106,26,.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(--gold),var(--flame))}
.scroll-hint{position:absolute;left:50%;bottom:24px;transform:translateX(-50%);z-index:4;color:var(--muted);
  font-size:.72rem;letter-spacing:.4em;display:flex;flex-direction:column;align-items:center;gap:8px}
.scroll-hint::after{content:"";width:1px;height:34px;background:linear-gradient(var(--gold),transparent);
  animation:drip 1.7s 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 22px 55px rgba(0,0,0,.4)}
.highlight-grid li{background:linear-gradient(160deg,var(--bg-2),var(--bg));padding:26px 22px;
  display:flex;align-items:center;gap:15px;transition:.3s}
.highlight-grid li:hover{background:linear-gradient(160deg,#1d100c,var(--bg-2))}
.hl-icon{width:46px;height:46px;border-radius:13px;flex-shrink:0;position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--flame),var(--crimson));
  box-shadow:0 8px 20px rgba(213,36,28,.4)}
.hl-icon::before{content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 30% 25%,rgba(255,255,255,.42),transparent 42%)}
.hl-icon svg{position:absolute;inset:0;margin:auto}
.hl-grid strong{display:block;font-size:1.03rem;font-weight:800;letter-spacing:.03em}
.hl-grid span{font-size:.8rem;color:var(--muted)}

/* ---------- 福利 ---------- */
.welfare{background:linear-gradient(180deg,transparent,rgba(255,106,26,.055) 42%,transparent)}
.welfare-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.welfare-card{position:relative;padding:28px 24px 24px;border-radius:var(--radius);overflow:hidden;
  background:linear-gradient(160deg,rgba(255,138,64,.07),var(--card) 55%);
  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(--flame),var(--gold));transition:.45s}
.welfare-card::after{content:"";position:absolute;right:-30px;top:-30px;width:120px;height:120px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,26,.16),transparent 70%);pointer-events:none;transition:.4s}
.welfare-card:hover{transform:translateY(-6px);border-color:rgba(255,138,64,.5);
  box-shadow:0 22px 46px rgba(0,0,0,.48),0 0 0 1px rgba(255,138,64,.14)}
.welfare-card:hover::before{transform:scaleX(1)}
.welfare-card:hover::after{transform:scale(1.4)}
.welfare-num{position:absolute;top:12px;right:18px;font-size:2.9rem;font-weight:900;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(255,138,64,.3);user-select:none}
.welfare-ico{width:52px;height:52px;border-radius:15px;display:grid;place-items:center;margin-bottom:15px;
  background:linear-gradient(135deg,rgba(255,207,107,.18),rgba(213,36,28,.18));
  border:1px solid rgba(255,207,107,.34);box-shadow:0 8px 20px rgba(0,0,0,.3) inset}
.welfare-card h3{font-size:1.14rem;font-weight:800;margin-bottom:6px;letter-spacing:.02em}
.welfare-card p{color:var(--ink-2);font-size:.9rem;line-height:1.75}
.welfare-card p em{font-style:normal;color:var(--gold);font-weight:700}
.welfare-card .tag{display:inline-block;margin-top:13px;padding:4px 12px;border-radius:99px;font-size:.72rem;
  letter-spacing:.1em;color:var(--gold-2);border:1px solid rgba(255,138,64,.38);background:rgba(213,36,28,.12)}

/* ---------- 玩法图鉴 ---------- */
.features{background:linear-gradient(180deg,transparent,rgba(60,20,8,.42) 46%,transparent)}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature-card{border-radius:18px;overflow:hidden;border:1px solid var(--card-b);position:relative;
  background:var(--bg-2);transition:.35s;isolation:isolate}
.feature-card:hover{transform:translateY(-6px);border-color:rgba(255,106,26,.55);
  box-shadow:0 24px 50px rgba(0,0,0,.55)}
.feature-pic{aspect-ratio:16/10;overflow:hidden;position:relative}
.feature-pic img{width:100%;height:100%;object-fit:cover;object-position:center 22%;
  transition:transform .65s ease;filter:saturate(1.05) contrast(1.03)}
.feature-card:hover .feature-pic img{transform:scale(1.08)}
.feature-pic::after{content:"";position:absolute;inset:0;
  background:linear-gradient(transparent 32%,rgba(10,7,6,.88) 84%,rgba(10,7,6,.98))}
.feature-body{position:absolute;left:0;right:0;bottom:0;padding:16px 20px 18px;z-index:1}
.feature-body .f-no{font-size:.66rem;letter-spacing:.4em;color:var(--gold);font-weight:700}
.feature-body h3{font-size:1.2rem;font-weight:900;margin:3px 0 4px;letter-spacing:.04em}
.feature-body p{font-size:.82rem;color:var(--ink-2);opacity:.86}
.feature-card::after{content:"";position:absolute;top:14px;right:14px;width:26px;height:26px;z-index:2;
  border-top:2px solid rgba(255,207,107,.75);border-right:2px solid rgba(255,207,107,.75);
  border-radius:0 6px 0 0;opacity:.55;transition:.3s}
.feature-card:hover::after{opacity:1;transform:translate(2px,-2px)}

/* ---------- 简介(battle) ---------- */
.battle{display:grid;grid-template-columns:1fr 1.02fr;gap:56px;align-items:center}
.battle-media{position:relative;border-radius:24px;overflow:hidden;border:1px solid var(--card-b);
  box-shadow:0 30px 70px 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;pointer-events:none;
  background:linear-gradient(160deg,transparent 52%,rgba(213,36,28,.42));mix-blend-mode:screen}
.battle-media .flame-frame{position:absolute;inset:-1px;pointer-events:none;border-radius:24px;
  background:linear-gradient(120deg,transparent 30%,rgba(255,207,107,.55) 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:20px;bottom:20px;display:flex;gap:9px;flex-wrap:wrap;z-index:2}
.battle-float span{padding:6px 13px;border-radius:99px;font-size:.74rem;background:rgba(10,7,6,.74);
  border:1px solid rgba(255,138,64,.42);color:var(--gold-2);backdrop-filter:blur(8px);letter-spacing:.1em}
.vert-tag{display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;color:var(--gold);
  font-weight:700;letter-spacing:.3em;font-size:.82rem}
.vert-tag::before{content:"";width:34px;height:2px;background:linear-gradient(90deg,var(--crimson),var(--flame))}
.battle-copy h2{font-size:clamp(1.68rem,3.6vw,2.5rem);font-weight:900;line-height:1.28;margin-bottom:16px}
.battle-copy h2 .accent{background:linear-gradient(110deg,var(--flame),var(--gold-2));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.battle-copy > p{color:var(--ink-2);margin-bottom:12px;font-size:.98rem}
.battle-list{display:grid;gap:11px;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{background:rgba(255,138,64,.07);border-color:rgba(255,138,64,.34)}
.battle-list b{display:grid;width:28px;height:28px;border-radius:9px;flex-shrink:0;place-items:center;
  font-size:.86rem;color:#fff;background:linear-gradient(135deg,var(--crimson),var(--flame));
  box-shadow:0 4px 12px rgba(213,36,28,.4)}
.battle-list div strong{display:block;font-size:.96rem}
.battle-list div span{font-size:.83rem;color:var(--muted)}

/* ---------- 攻略 ---------- */
.guide{background:linear-gradient(180deg,transparent,rgba(47,187,134,.055) 50%,transparent)}
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.guide-card{position:relative;padding:28px 26px 24px;border-radius:var(--radius);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(--jade),var(--gold));transition:.45s}
.guide-card:hover{transform:translateY(-6px);border-color:rgba(47,187,134,.5);
  box-shadow:0 22px 44px rgba(0,0,0,.46),0 0 0 1px rgba(47,187,134,.16)}
.guide-card:hover::before{transform:scaleX(1)}
.g-ico{width:52px;height:52px;border-radius:15px;display:grid;place-items:center;margin-bottom:15px;
  background:linear-gradient(135deg,rgba(47,187,134,.16),rgba(255,207,107,.16));
  border:1px solid rgba(47,187,134,.34)}
.guide-card h3{font-size:1.14rem;font-weight:800;margin-bottom:6px}
.guide-card p{color:var(--ink-2);font-size:.89rem;line-height:1.78}
.guide-card .tag{display:inline-block;margin-top:13px;padding:4px 12px;border-radius:99px;font-size:.72rem;
  letter-spacing:.1em;color:var(--gold-2);border:1px solid rgba(47,187,134,.4);background:rgba(47,187,134,.1)}

/* ---------- 截图舞台 ---------- */
.gallery{background:linear-gradient(180deg,transparent,rgba(90,30,10,.22) 50%,transparent)}
.stage{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center}
.stage-copy h2{font-size:clamp(1.68rem,3.6vw,2.45rem);font-weight:900;margin-bottom:15px;line-height:1.3}
.stage-copy .accent{background:linear-gradient(110deg,var(--flame),var(--gold-2));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.stage-copy p{color:var(--ink-2);font-size:.96rem}
.slider-main{position:relative;border-radius:22px;overflow:hidden;border:1px solid var(--card-b);
  box-shadow:0 30px 80px 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:zoom-in}
.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,.25);background:rgba(10,7,6,.55);color:#fff;
  font-size:1.15rem;backdrop-filter:blur(6px);transition:.25s}
.slider-main .s-arw:hover{background:linear-gradient(135deg,var(--flame),var(--crimson));border-color:transparent}
.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(--gold)}
.slider-thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:11px;margin-top:18px}
.slider-thumbs img{aspect-ratio:16/9;object-fit:cover;width:100%;border-radius:11px;border:1px solid var(--card-b);
  opacity:.5;transition:.3s;cursor:pointer}
.slider-thumbs img:hover{opacity:.85}
.slider-thumbs img.is-active{opacity:1;border-color:var(--flame);box-shadow:0 0 0 1px var(--flame),0 8px 20px rgba(255,106,26,.28)}

/* ---------- 视频 ---------- */
.video-section{background:linear-gradient(180deg,transparent,rgba(213,36,28,.07) 42%,transparent)}
.video-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.video-grid-single{grid-template-columns:1fr;max-width:900px;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(255,138,64,.5);
  box-shadow:0 24px 50px 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(--crimson),var(--flame));color:#fff;
  box-shadow:0 8px 20px rgba(213,36,28,.4)}
.video-cap strong{display:block;font-size:.98rem}
.video-cap span{font-size:.8rem;color:var(--muted)}

/* ---------- 福利细则 ---------- */
.rebate{background:radial-gradient(80% 120% at 50% 0%,rgba(255,106,26,.1),transparent 62%)}
.rebate-panel{position:relative;border-radius:26px;overflow:hidden;padding:54px 46px;
  background:linear-gradient(135deg,rgba(255,138,64,.11),rgba(213,36,28,.07));
  border:1px solid rgba(255,138,64,.34);box-shadow:inset 0 0 90px rgba(255,106,26,.06)}
.rebate-panel::before{content:"炎";position:absolute;right:-10px;bottom:-46px;font-size:10rem;font-weight:900;
  color:rgba(255,255,255,.035);pointer-events:none;line-height:1}
.rebate-flex{display:grid;grid-template-columns:1.08fr 1fr;gap:42px;align-items:center}
.rate-box h2{font-size:clamp(1.68rem,3.6vw,2.45rem);font-weight:900;line-height:1.32}
.rate-box h2 .accent{background:linear-gradient(110deg,var(--gold-2),var(--flame));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.rate-box p{color:var(--ink-2);margin-top:13px;font-size:.96rem}
.rate-stats{display:flex;gap:13px;margin-top:22px;flex-wrap:wrap}
.rate-stats .rs{flex:1;min-width:126px;text-align:center;padding:18px 10px;border-radius:15px;
  background:rgba(10,7,6,.55);border:1px solid var(--card-b)}
.rate-stats .rs strong{display:block;font-size:1.46rem;font-weight:900;color:var(--gold-2)}
.rate-stats .rs span{font-size:.76rem;color:var(--muted)}
.rebate-list{display:grid;gap:11px}
.rebate-list li{display:flex;gap:13px;align-items:center;padding:14px 17px;border-radius:14px;
  background:rgba(10,7,6,.45);border:1px solid var(--card-b);transition:.3s}
.rebate-list li:hover{border-color:rgba(255,138,64,.4);transform:translateX(3px)}
.rebate-list li i{width:33px;height:33px;flex-shrink:0;border-radius:10px;display:grid;place-items:center;
  font-style:normal;font-weight:900;color:#fff;font-size:.9rem;
  background:linear-gradient(135deg,var(--flame),var(--crimson))}
.rebate-list li span{font-size:.92rem}
.rebate-list li span b{color:var(--gold-2)}

/* ---------- 图片墙 ---------- */
.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:zoom-in;margin:0}
.mosaic figure img{width:100%;height:100%;object-fit:cover;transition:.55s}
.mosaic figure:hover img{transform:scale(1.12)}
.mosaic figure::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 40px rgba(0,0,0,.38);
  pointer-events:none}
.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(255,106,26,.045) 46%,transparent)}
.faq-list{display:grid;gap:12px;max-width:920px;margin:0 auto}
.faq-item{border-radius:16px;background:var(--card);border:1px solid var(--card-b);transition:.3s}
.faq-item[open]{border-color:rgba(255,138,64,.42);
  background:linear-gradient(160deg,rgba(255,138,64,.08),var(--card));
  box-shadow:0 14px 34px rgba(0,0,0,.34)}
.faq-item summary{list-style:none;cursor:pointer;padding:17px 52px 17px 22px;position:relative;
  font-weight:800;font-size:1rem;letter-spacing:.02em;transition:.25s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--gold-2)}
.faq-mark{position:absolute;right:20px;top:50%;width:16px;height:16px;transform:translateY(-50%)}
.faq-mark::before,.faq-mark::after{content:"";position:absolute;background:var(--gold);border-radius:2px;transition:.3s}
.faq-mark::before{left:0;top:7px;width:16px;height:2px}
.faq-mark::after{left:7px;top:0;width:2px;height:16px;transform:scaleY(1)}
.faq-item[open] .faq-mark::after{transform:scaleY(0)}
.faq-body{padding:0 22px 20px;color:var(--ink-2);font-size:.92rem;line-height:1.85}

/* ---------- 下载 ---------- */
.download{padding:64px 0}
.dl-card{position:relative;border-radius:28px;overflow:hidden;padding:62px 46px;text-align:center;
  background:linear-gradient(135deg,#2a1005,#40190a 52%,#180a05);border:1px solid var(--card-b)}
.dl-card::before{content:"";position:absolute;inset:-42%;z-index:0;pointer-events:none;
  background:conic-gradient(from 0deg,transparent 0 40%,rgba(255,138,64,.24) 50%,transparent 60% 100%);
  animation:spin 10s linear infinite}
@keyframes spin{to{transform:rotate(1turn)}}
.dl-inner{position:relative;z-index:1}
.dl-card h2{font-size:clamp(1.8rem,4.4vw,3rem);font-weight:900;letter-spacing:.07em}
.dl-card h2 .accent{background:linear-gradient(110deg,var(--flame),var(--gold-2));
  -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:11px;flex-wrap:wrap;margin:22px 0 30px}
.dl-flags span{padding:6px 15px;border-radius:99px;border:1px solid rgba(255,138,64,.4);
  color:var(--gold-2);font-size:.82rem;background:rgba(213,36,28,.12)}
.dl-actions{display:flex;justify-content:center;gap:15px;flex-wrap:wrap}
.dl-hint{margin-top:18px;font-size:.8rem;color:var(--muted)}
.dl-hint b{color:var(--gold);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;border:0;box-shadow:0 14px 40px rgba(0,0,0,.5);color:#6b5748}
.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:.86rem;color:var(--ink-2);letter-spacing:.1em}

/* ---------- 页脚 ---------- */
.footer{border-top:1px solid var(--line);padding:46px 0 34px;
  background:linear-gradient(180deg,transparent,rgba(213,36,28,.055))}
.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:1.14rem;letter-spacing:.1em}
.footer-brand small{color:var(--muted);font-size:.78rem}
.footer-links{display:flex;gap:20px;flex-wrap:wrap}
.footer-links a{color:var(--ink-2);font-size:.88rem;transition:.2s}
.footer-links a:hover{color:var(--gold)}
.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:.76rem;line-height:1.8}

/* ---------- 移动端下载条 ---------- */
.mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:95;display:none;align-items:center;gap:12px;
  padding:10px 14px calc(10px + env(safe-area-inset-bottom));
  background:rgba(16,10,8,.96);backdrop-filter:blur(14px);border-top:1px solid var(--card-b);
  box-shadow:0 -10px 30px rgba(0,0,0,.5)}
.mb-info{flex:1;min-width:0;line-height:1.25}
.mb-info strong{display:block;font-size:.94rem;letter-spacing:.06em}
.mb-info span{display:block;font-size:.68rem;color:var(--muted);white-space:nowrap;overflow:hidden;
  text-overflow:ellipsis}
.mb-acts{display:flex;gap:8px;flex-shrink:0}
.mb-btn{border:0;border-radius:10px;padding:10px 16px;font-size:.82rem;font-weight:800;
  color:#2b1205;background:linear-gradient(135deg,#ff7a1f,#ffce6b);
  box-shadow:0 6px 16px rgba(255,106,26,.35)}
.mb-btn.ios{background:linear-gradient(135deg,#d5241c,#ff5a2b);color:#fff;
  box-shadow:0 6px 16px rgba(213,36,28,.4)}

/* ---------- 弹层 ---------- */
.lightbox{position:fixed;inset:0;z-index:200;display:grid;place-items:center;background:rgba(5,3,2,.93);
  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:22px;right:28px;background:none;border:0;color:#fff;font-size:2.2rem;
  line-height:1;transition:.3s}
.lightbox button:hover{transform:rotate(90deg);color:var(--gold)}

/* ---------- 提示 ---------- */
.toast{position:fixed;left:50%;bottom:96px;transform:translateX(-50%) translateY(20px);z-index:210;
  padding:12px 22px;border-radius:12px;font-size:.9rem;letter-spacing:.04em;color:var(--gold-2);
  background:rgba(24,14,9,.96);border:1px solid rgba(255,138,64,.45);
  box-shadow:0 14px 40px 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(32px);
  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}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .hero-slide.is-active{animation:none}
  .dl-card::before{animation:none}
  .scroll-hint::after{animation:none}
}

/* ---------- 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(32,19,16,.9);color:var(--gold-2);font-size:1.15rem;
  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:linear-gradient(135deg,var(--flame),var(--crimson));color:#fff;border-color:transparent}

/* ---------- 平板 ---------- */
@media (max-width:1180px){
  .nav-links a{padding:8px 9px;font-size:.88rem}
  .hero-controls{display:none}
}
@media (max-width:1000px){
  .nav-cta{display:none}
  .nav-links a{padding:8px 8px;font-size:.85rem}
}
@media (max-width:1024px){
  .welfare-grid{grid-template-columns:repeat(2,1fr)}
  .guide-grid{grid-template-columns:repeat(2,1fr)}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .mosaic{grid-auto-rows:74px}
  .stage{grid-template-columns:1fr 1fr;gap:34px}
}

/* ---------- 移动端 ---------- */
@media (max-width:860px){
  section{padding:66px 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(10,7,6,.985);padding:88px 26px 24px;transform:translateY(-100%);transition:.4s;
    z-index:-1;box-shadow:0 30px 60px rgba(0,0,0,.65);max-height:100svh;overflow:auto}
  .nav-links.open{transform:none}
  .nav-links a{width:100%;font-size:1.05rem;padding:12px 6px;border-bottom:1px dashed rgba(255,255,255,.08)}
  .nav-cta{margin-left:0;order:2}
  .hero{padding:118px 0 80px;min-height:auto}
  .hero-kanji{display:none}
  .hero-stats{grid-template-columns:repeat(2,1fr);max-width:none;margin-top:38px}
  .highlight-grid{grid-template-columns:repeat(2,1fr)}
  .battle,.rebate-flex{grid-template-columns:1fr;gap:32px}
  .stage{grid-template-columns:1fr;gap:28px}
  .stage-copy{order:-1}
  .slider-thumbs{grid-template-columns:repeat(6,1fr)}
  .video-grid{grid-template-columns:1fr}
  .dl-card{padding:44px 22px}
  .rebate-panel{padding:36px 22px}
  .footer-grid{flex-direction:column}
  .footer-copy{flex-direction:column}
  .mosaic{grid-auto-rows:58px;gap:8px}
  .mobile-bar{display:flex}
  .to-top{bottom:86px}
  .toast{bottom:150px}
  body{padding-bottom:72px}
}
@media (max-width:560px){
  .container{width:92%}
  .brand-text{font-size:1rem;letter-spacing:.04em}
  .brand-icon{width:36px;height:36px}
  .nav-cta{padding:8px 14px;font-size:.8rem}
  .nav-toggle{padding:6px}
  .hero{padding-top:106px}
  .hero-title{font-size:clamp(2.1rem,10vw,2.8rem)}
  .hero-title .title-accent{letter-spacing:.13em;font-size:.44em}
  .hero-sub{font-size:.9rem}
  .hero-meta{font-size:.82rem;gap:8px 16px}
  .hero-countdown{width:100%;justify-content:space-between;gap:10px;padding:11px 14px}
  .cd-cells{width:100%;justify-content:space-between}
  .cd-cell{flex:1;min-width:0}
  .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);width:126px}
  .btn-download-wrap:hover .btn-qr,.btn-qr.show{transform:none}
  .feature-grid{grid-template-columns:1fr;gap:14px}
  .feature-pic{aspect-ratio:16/9}
  .welfare-grid,.guide-grid{grid-template-columns:1fr;gap:14px}
  .highlight-grid li{flex-direction:column;text-align:center;padding:18px 10px;gap:10px}
  .highlight-grid .hl-grid strong{font-size:.95rem}
  .slider-thumbs{grid-template-columns:repeat(3,1fr)}
  .mosaic{grid-template-columns:repeat(6,1fr);grid-auto-rows:52px}
  .m-m1{grid-column:span 3;grid-row:span 2}
  .m-m2{grid-column:span 3;grid-row:span 2}
  .m-m3{grid-column:span 3;grid-row:span 2}
  .m-m4{grid-column:span 3;grid-row:span 2}
  .m-m5{display:none}
  .m-m6{grid-column:span 6;grid-row:span 2}
  .dl-actions{flex-direction:column;align-items:stretch}
  .dl-qr-item .btn-qr-box{width:156px;height:156px}
  .section-head{margin-bottom:38px}
  .section-sub{font-size:.9rem}
  .to-top{right:14px;bottom:82px;width:42px;height:42px}
  .mobile-bar{gap:8px;padding:9px 12px calc(9px + env(safe-area-inset-bottom))}
  .mb-btn{padding:9px 13px;font-size:.78rem}
}