/* ============================================================
   洪荒西行录 · 0.1折转游返代金券 官网样式
   主题: 上古神话 / 仙侠洪荒 · 紫金配色 · 响应式
   ============================================================ */

:root {
  --bg: #0a0716;
  --bg-soft: #120c26;
  --panel: rgba(255, 255, 255, 0.04);
  --panel-strong: rgba(255, 255, 255, 0.07);
  --line: rgba(240, 194, 102, 0.22);
  --line-soft: rgba(255, 255, 255, 0.09);
  --gold: #f0c266;
  --gold-deep: #d9a441;
  --violet: #9d7bfa;
  --ink: #f4efe6;
  --ink-soft: #c9c0b4;
  --ink-dim: #8f8698;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.55);
  --radius: 14px;
  --nav-h: 64px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Hiragino Sans GB", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, li { list-style: none; }
button { font-family: inherit; cursor: pointer; }

.container { width: min(1180px, 92%); margin: 0 auto; }

/* ---------- 氛围光效 ---------- */
.ambient-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(640px 420px at 12% 8%, rgba(157, 123, 250, 0.14), transparent 70%),
    radial-gradient(720px 480px at 88% 22%, rgba(240, 194, 102, 0.10), transparent 70%),
    radial-gradient(600px 520px at 50% 100%, rgba(157, 123, 250, 0.08), transparent 70%);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 30px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 2px;
  border: 1px solid transparent;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, #f6d68b 0%, #f0c266 45%, #d9a441 100%);
  color: #2b1c05;
  box-shadow: 0 8px 24px rgba(240, 194, 102, 0.35);
}
.btn-primary.btn-ios {
  background: linear-gradient(135deg, #c9b2ff 0%, #9d7bfa 55%, #7a55e6 100%);
  color: #1b1040;
  box-shadow: 0 8px 24px rgba(157, 123, 250, 0.35);
}
.btn-ghost {
  border-color: var(--line);
  color: var(--gold);
  background: rgba(240, 194, 102, 0.06);
}
.btn:hover { transform: translateY(-2px); filter: brightness(1.05); }
.btn-sm { padding: 8px 20px; font-size: 14px; letter-spacing: 1px; }

/* ---------- 顶部导航 ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 90;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.navbar.is-scrolled {
  background: rgba(10, 7, 22, 0.92);
  backdrop-filter: blur(14px);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.45);
}
.nav-inner {
  width: min(1280px, 94%);
  margin: 0 auto;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 18px;
}
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-icon { width: 38px; height: 38px; border-radius: 9px; box-shadow: 0 0 14px rgba(240, 194, 102, 0.4); }
.brand-text { font-size: 20px; font-weight: 700; letter-spacing: 2px; display: flex; flex-direction: column; line-height: 1.25; }
.brand-text em {
  font-style: normal;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1px;
  color: var(--gold);
  opacity: 0.85;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.nav-links a {
  padding: 8px 13px;
  font-size: 15px;
  color: var(--ink-soft);
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}
.nav-links a:hover { color: var(--gold); }
.nav-links a.is-active { color: var(--gold); background: rgba(240, 194, 102, 0.1); }
.nav-cta { margin-left: 4px; }
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  margin-left: auto;
  background: transparent;
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}
.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); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-slider, .hero-slide { position: absolute; inset: 0; }
.hero-slide {
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.06);
  transition: opacity 1.1s ease, transform 7s linear;
}
.hero-slide.is-active { opacity: 1; transform: scale(1); }
.hero-mask {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10, 7, 22, 0.62) 0%, rgba(10, 7, 22, 0.35) 40%, var(--bg) 100%),
    radial-gradient(900px 500px at 20% 60%, rgba(10, 7, 22, 0.35), transparent 70%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  width: min(1180px, 92%);
  margin: 0 auto;
  padding: calc(var(--nav-h) + 48px) 0 90px;
}
.hero-tag {
  display: inline-block;
  padding: 6px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--gold);
  background: rgba(240, 194, 102, 0.08);
  margin-bottom: 20px;
}
.hero-title {
  font-size: clamp(40px, 6.5vw, 72px);
  font-weight: 800;
  letter-spacing: 6px;
  line-height: 1.15;
  text-shadow: 0 6px 30px rgba(0, 0, 0, 0.6);
  background: linear-gradient(180deg, #fff8ea 20%, #f0c266 90%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.title-accent {
  display: block;
  font-size: clamp(17px, 2.4vw, 26px);
  font-weight: 600;
  letter-spacing: 4px;
  margin-top: 14px;
  -webkit-text-fill-color: var(--violet);
  color: var(--violet);
}
.hero-sub {
  max-width: 720px;
  margin-top: 20px;
  font-size: 16px;
  color: var(--ink-soft);
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.7);
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin-top: 22px;
  font-size: 14px;
  color: var(--ink-soft);
}
.hero-meta span { display: inline-flex; align-items: center; gap: 8px; }
.dot-gold, .dot-red, .dot-jade {
  width: 8px; height: 8px;
  border-radius: 50%;
  display: inline-block;
}
.dot-gold { background: var(--gold); box-shadow: 0 0 8px var(--gold); }
.dot-red { background: #ff6b57; box-shadow: 0 0 8px #ff6b57; }
.dot-jade { background: #6fe3c4; box-shadow: 0 0 8px #6fe3c4; }
.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 30px;
}
.btn-download-wrap { position: relative; display: inline-block; }
.btn-qr {
  position: absolute;
  left: 50%;
  top: calc(100% + 12px);
  transform: translateX(-50%) translateY(6px);
  background: rgba(12, 8, 26, 0.96);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 10px 6px;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
  z-index: 5;
}
.btn-qr em { display: block; font-style: normal; font-size: 12px; color: var(--ink-dim); margin-top: 4px; }
.btn-download-wrap:hover .btn-qr { opacity: 1; transform: translateX(-50%) translateY(0); }
.btn-qr-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 102px;
  height: 102px;
  font-size: 14px;
  letter-spacing: 2px;
  color: #555;
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  text-align: center;
}
.btn-qr-box img { width: 100%; height: 100%; }
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 74px;
}
.stat {
  min-width: 150px;
  padding: 14px 22px;
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  backdrop-filter: blur(6px);
}
.stat strong { display: block; font-size: 26px; color: var(--gold); letter-spacing: 1px; }
.stat span { font-size: 12.5px; color: var(--ink-dim); }
.hero-controls {
  position: absolute;
  z-index: 3;
  left: 0;
  right: 0;
  bottom: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
}
.hero-arrow {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: rgba(10, 7, 22, 0.5);
  color: var(--gold);
  font-size: 22px;
  line-height: 1;
  transition: background 0.2s, transform 0.2s;
}
.hero-arrow:hover { background: rgba(240, 194, 102, 0.2); transform: scale(1.08); }
.hero-dots { display: flex; gap: 10px; }
.hero-dots span {
  width: 26px; height: 4px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.25);
  cursor: pointer;
  transition: background 0.25s, width 0.25s;
}
.hero-dots span.is-active { background: var(--gold); width: 40px; }
.scroll-hint {
  position: absolute;
  z-index: 3;
  right: 26px;
  bottom: 40px;
  writing-mode: vertical-rl;
  font-size: 12px;
  letter-spacing: 4px;
  color: var(--ink-dim);
  animation: hintFloat 2.4s ease-in-out infinite;
}
@keyframes hintFloat {
  0%, 100% { transform: translateY(0); opacity: 0.7; }
  50% { transform: translateY(8px); opacity: 1; }
}

/* ---------- 数据亮点 ---------- */
.highlight { position: relative; z-index: 2; margin-top: -54px; }
.highlight-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.highlight-grid li {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 22px;
  background: linear-gradient(160deg, rgba(28, 20, 52, 0.95), rgba(16, 11, 34, 0.95));
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.hl-icon {
  flex-shrink: 0;
  width: 46px; height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(240, 194, 102, 0.25), rgba(157, 123, 250, 0.25));
  border: 1px solid var(--line);
}
.hl-grid strong { display: block; font-size: 17px; letter-spacing: 1px; }
.hl-grid span { font-size: 12.5px; color: var(--ink-dim); }

/* ---------- 通用 Section ---------- */
section { position: relative; z-index: 1; }
.section-head { text-align: center; margin-bottom: 46px; }
.section-eyebrow {
  font-size: 12px;
  letter-spacing: 5px;
  color: var(--violet);
  margin-bottom: 10px;
}
.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: 4px;
}
.section-title .accent { color: var(--gold); margin-left: 6px; }
.section-sub { margin-top: 12px; color: var(--ink-dim); font-size: 15px; letter-spacing: 1px; }

/* ---------- 上线福利 ---------- */
.welfare { padding: 90px 0 70px; }
.welfare-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.welfare-card {
  position: relative;
  padding: 30px 26px 26px;
  background: linear-gradient(165deg, rgba(30, 21, 56, 0.85), rgba(15, 10, 32, 0.9));
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.welfare-card:hover {
  transform: translateY(-6px);
  border-color: var(--line);
  box-shadow: 0 16px 44px rgba(240, 194, 102, 0.12);
}
.welfare-num {
  position: absolute;
  top: 8px;
  right: 16px;
  font-size: 44px;
  font-weight: 800;
  color: rgba(240, 194, 102, 0.1);
  letter-spacing: 2px;
}
.welfare-ico {
  display: inline-flex;
  width: 52px; height: 52px;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: rgba(240, 194, 102, 0.1);
  border: 1px solid var(--line);
  margin-bottom: 16px;
}
.welfare-card h3 { font-size: 19px; letter-spacing: 2px; margin-bottom: 10px; }
.welfare-card p { font-size: 14px; color: var(--ink-soft); min-height: 66px; }
.welfare-card p em { font-style: normal; color: var(--gold); font-weight: 700; }
.welfare-card .tag {
  display: inline-block;
  margin-top: 14px;
  padding: 4px 12px;
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--violet);
  border: 1px solid rgba(157, 123, 250, 0.35);
  border-radius: 999px;
  background: rgba(157, 123, 250, 0.08);
}

/* ---------- 玩法图鉴 ---------- */
.features { padding: 70px 0; }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.feature-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line-soft);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.feature-pic { aspect-ratio: 16 / 10; overflow: hidden; }
.feature-pic img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.feature-card:hover .feature-pic img { transform: scale(1.07); }
.feature-body { padding: 16px 18px 20px; }
.f-no { font-size: 11px; letter-spacing: 3px; color: var(--violet); }
.feature-body h3 { font-size: 18px; letter-spacing: 2px; margin: 6px 0 4px; }
.feature-body p { font-size: 13.5px; color: var(--ink-dim); }

/* ---------- 游戏简介 ---------- */
.battle-wrap { padding: 80px 0; }
.battle {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 48px;
  align-items: center;
}
.battle-media { position: relative; }
.battle-media img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.flame-frame {
  position: absolute;
  inset: -14px;
  border: 1px solid rgba(240, 194, 102, 0.28);
  border-radius: calc(var(--radius) + 6px);
  pointer-events: none;
}
.battle-float {
  position: absolute;
  left: 16px;
  bottom: 16px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.battle-float span {
  padding: 5px 14px;
  font-size: 12.5px;
  letter-spacing: 2px;
  color: var(--gold);
  background: rgba(10, 7, 22, 0.72);
  border: 1px solid var(--line);
  border-radius: 999px;
  backdrop-filter: blur(4px);
}
.vert-tag { font-size: 12px; letter-spacing: 5px; color: var(--violet); margin-bottom: 12px; }
.battle-copy h2 {
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 800;
  letter-spacing: 3px;
  line-height: 1.35;
  margin-bottom: 20px;
}
.battle-copy h2 .accent { color: var(--gold); }
.battle-copy > p { font-size: 15px; color: var(--ink-soft); margin-bottom: 14px; }
.battle-list { margin-top: 24px; display: grid; gap: 14px; }
.battle-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 16px;
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  transition: border-color 0.25s;
}
.battle-list li:hover { border-color: var(--line); }
.battle-list b {
  flex-shrink: 0;
  width: 34px; height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  color: #2b1c05;
  background: linear-gradient(135deg, #f6d68b, #d9a441);
  border-radius: 9px;
}
.battle-list strong { display: block; font-size: 15.5px; letter-spacing: 1px; }
.battle-list span { font-size: 13px; color: var(--ink-dim); }

/* ---------- 玩法攻略 ---------- */
.guide { padding: 70px 0 80px; }
.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.guide-card {
  padding: 26px 24px;
  background: linear-gradient(165deg, rgba(30, 21, 56, 0.8), rgba(15, 10, 32, 0.9));
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.guide-card:hover { transform: translateY(-5px); border-color: var(--line); }
.g-ico {
  display: inline-flex;
  width: 46px; height: 46px;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(240, 194, 102, 0.1);
  border: 1px solid var(--line);
  margin-bottom: 14px;
}
.guide-card h3 { font-size: 18px; letter-spacing: 2px; margin-bottom: 8px; }
.guide-card p { font-size: 13.5px; color: var(--ink-soft); min-height: 96px; }
.guide-card .tag {
  display: inline-block;
  margin-top: 12px;
  padding: 4px 12px;
  font-size: 12px;
  color: var(--violet);
  border: 1px solid rgba(157, 123, 250, 0.35);
  border-radius: 999px;
  background: rgba(157, 123, 250, 0.08);
}

/* ---------- 实景截图 ---------- */
.gallery { padding: 80px 0; }
.stage {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 40px;
  align-items: center;
}
.slider-main {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  aspect-ratio: 16 / 9;
  background: #0d0a1c;
}
.slider-main img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.6s ease;
  cursor: zoom-in;
}
.slider-main img.is-active { opacity: 1; }
.s-arw {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 4;
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: rgba(10, 7, 22, 0.6);
  color: var(--gold);
  font-size: 22px;
  line-height: 1;
  transition: background 0.2s;
}
.s-arw:hover { background: rgba(240, 194, 102, 0.25); }
.s-arw.prev { left: 14px; }
.s-arw.next { right: 14px; }
.slider-dots {
  position: absolute;
  left: 0; right: 0;
  bottom: 12px;
  display: flex;
  justify-content: center;
  gap: 8px;
  z-index: 4;
}
.slider-dots span {
  width: 22px; height: 4px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: background 0.25s, width 0.25s;
}
.slider-dots span.is-active { background: var(--gold); width: 34px; }
.stage-copy h2 {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 800;
  letter-spacing: 3px;
  line-height: 1.4;
  margin-bottom: 14px;
}
.stage-copy h2 .accent { color: var(--gold); }
.stage-copy > p { font-size: 14.5px; color: var(--ink-soft); }
.slider-thumbs {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
  margin-top: 22px;
}
.slider-thumbs img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 8px;
  border: 2px solid transparent;
  cursor: pointer;
  opacity: 0.55;
  transition: opacity 0.25s, border-color 0.25s;
}
.slider-thumbs img:hover { opacity: 0.85; }
.slider-thumbs img.is-active { opacity: 1; border-color: var(--gold); }

/* ---------- 首发视频 ---------- */
.video-section { padding: 80px 0; }
.video-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.video-grid-single { grid-template-columns: 1fr; max-width: 900px; margin: 0 auto; }
.video-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line-soft);
}
.video-box { aspect-ratio: 16 / 9; background: #000; }
.video-box video { width: 100%; height: 100%; object-fit: contain; display: block; }
.video-cap {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
}
.play-dot {
  flex-shrink: 0;
  width: 34px; height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, #f6d68b, #d9a441);
}
.video-cap strong { display: block; font-size: 15px; letter-spacing: 1px; }
.video-cap span { font-size: 12.5px; color: var(--ink-dim); }

/* ---------- 充值福利细则 ---------- */
.rebate { padding: 30px 0 80px; }
.rebate-panel {
  padding: 46px 42px;
  background:
    radial-gradient(500px 240px at 0% 0%, rgba(157, 123, 250, 0.14), transparent 70%),
    radial-gradient(500px 240px at 100% 100%, rgba(240, 194, 102, 0.1), transparent 70%),
    linear-gradient(160deg, rgba(30, 21, 56, 0.9), rgba(14, 9, 30, 0.95));
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
}
.rebate-flex {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 44px;
  align-items: center;
}
.rate-box h2 {
  font-size: clamp(22px, 2.8vw, 30px);
  font-weight: 800;
  letter-spacing: 2px;
  line-height: 1.5;
  margin-bottom: 14px;
}
.rate-box h2 .accent { color: var(--gold); }
.rate-box > p { font-size: 14.5px; color: var(--ink-soft); }
.rate-stats { display: flex; gap: 14px; margin-top: 22px; flex-wrap: wrap; }
.rs {
  flex: 1;
  min-width: 110px;
  padding: 14px;
  text-align: center;
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-radius: 12px;
}
.rs strong { display: block; font-size: 24px; color: var(--gold); }
.rs span { font-size: 12px; color: var(--ink-dim); }
.rebate-list { display: grid; gap: 12px; }
.rebate-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  font-size: 14px;
  color: var(--ink-soft);
}
.rebate-list li b { color: var(--gold); font-weight: 700; }
.rebate-list i {
  flex-shrink: 0;
  width: 26px; height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-style: normal;
  font-size: 13px;
  color: var(--gold);
  border: 1px solid var(--line);
  border-radius: 50%;
}

/* ---------- 氛围图片墙 ---------- */
.mosaic-section { padding: 0 0 90px; }
.mosaic {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: 150px;
  gap: 14px;
}
.mosaic figure {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  cursor: zoom-in;
}
.mosaic img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.mosaic figure:hover img { transform: scale(1.08); }
.m-m1 { grid-column: span 2; grid-row: span 2; }
.m-m2 { grid-column: span 2; grid-row: span 1; }
.m-m3 { grid-column: span 2; grid-row: span 2; }
.m-m4 { grid-column: span 2; grid-row: span 1; }
.m-m5 { grid-column: span 2; }
.m-m6 { grid-column: span 4; }

/* ---------- 常见问题 ---------- */
.faq { padding: 30px 0 80px; }
.faq-list { max-width: 860px; margin: 0 auto; display: grid; gap: 14px; }
.faq-item {
  background: linear-gradient(165deg, rgba(30, 21, 56, 0.85), rgba(15, 10, 32, 0.9));
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.25s;
}
.faq-item:hover { border-color: var(--line); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 54px 18px 22px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 1px;
  position: relative;
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 400;
  color: var(--gold);
  border: 1px solid var(--line);
  border-radius: 50%;
  transition: transform 0.25s, background 0.25s;
}
.faq-item[open] summary::after {
  content: '−';
  background: rgba(240, 194, 102, 0.14);
}
.faq-answer {
  padding: 0 22px 20px;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.9;
}

/* ---------- 下载区 ---------- */
.download { padding: 0 0 90px; }
.dl-card {
  position: relative;
  padding: 64px 40px;
  text-align: center;
  background:
    radial-gradient(600px 300px at 50% 0%, rgba(240, 194, 102, 0.14), transparent 70%),
    radial-gradient(600px 300px at 50% 100%, rgba(157, 123, 250, 0.14), transparent 70%),
    linear-gradient(165deg, rgba(30, 21, 56, 0.95), rgba(14, 9, 30, 0.98));
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.dl-inner h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  letter-spacing: 4px;
}
.dl-inner h2 .accent { color: var(--gold); }
.dl-sub { margin-top: 12px; font-size: 15px; color: var(--ink-soft); letter-spacing: 1px; }
.dl-flags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 22px;
}
.dl-flags span {
  padding: 6px 16px;
  font-size: 13px;
  letter-spacing: 1px;
  color: var(--gold);
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(240, 194, 102, 0.07);
}
.dl-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 30px;
}
.dl-hint { margin-top: 20px; font-size: 13.5px; color: var(--ink-dim); }
.dl-hint b { color: var(--gold); }
.dl-qr-row { display: flex; justify-content: center; margin-top: 26px; }
.dl-qr-item { text-align: center; }
.dl-qr-item .btn-qr-box { width: 160px; height: 160px; font-size: 18px; }
.dl-qr-item em {
  display: block;
  margin-top: 8px;
  font-style: normal;
  font-size: 12.5px;
  color: var(--ink-dim);
}

/* ---------- 页脚 ---------- */
.footer {
  border-top: 1px solid var(--line-soft);
  background: rgba(8, 5, 18, 0.9);
  padding: 44px 0 30px;
}
.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand img { width: 46px; height: 46px; border-radius: 10px; }
.footer-brand strong { display: block; font-size: 18px; letter-spacing: 2px; }
.footer-brand small { font-size: 12px; color: var(--ink-dim); }
.footer-links { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.footer-links a { font-size: 14px; color: var(--ink-soft); transition: color 0.2s; }
.footer-links a:hover { color: var(--gold); }
.footer-copy {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 12px;
  color: var(--ink-dim);
  text-align: center;
  line-height: 1.9;
}

/* ---------- 灯箱 ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(5, 3, 12, 0.92);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 4vh 4vw;
}
.lightbox.show { opacity: 1; pointer-events: auto; }
.lightbox img {
  max-width: 100%;
  max-height: 100%;
  border-radius: 10px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
}
#lightboxClose {
  position: absolute;
  top: 20px;
  right: 26px;
  width: 44px; height: 44px;
  font-size: 28px;
  color: var(--gold);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--line);
  border-radius: 50%;
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 100px;
  transform: translateX(-50%) translateY(20px);
  z-index: 300;
  padding: 12px 24px;
  font-size: 14px;
  letter-spacing: 1px;
  color: var(--ink);
  background: rgba(20, 14, 40, 0.96);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- 返回顶部 ---------- */
.to-top {
  position: fixed;
  right: 22px;
  bottom: 26px;
  z-index: 100;
  width: 46px; height: 46px;
  font-size: 20px;
  color: var(--gold);
  background: rgba(20, 14, 40, 0.9);
  border: 1px solid var(--line);
  border-radius: 50%;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 0.3s, transform 0.3s, background 0.2s;
}
.to-top.show { opacity: 1; pointer-events: auto; transform: translateY(0); }
.to-top:hover { background: rgba(240, 194, 102, 0.2); }

/* ---------- 进场动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal.d1 { transition-delay: 0.12s; }
.reveal.d2 { transition-delay: 0.24s; }
.reveal.d3 { transition-delay: 0.36s; }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
  .highlight-grid { grid-template-columns: repeat(2, 1fr); }
  .welfare-grid, .feature-grid, .guide-grid { grid-template-columns: repeat(2, 1fr); }
  .stage { grid-template-columns: 1fr; }
  .battle { grid-template-columns: 1fr; gap: 32px; }
  .rebate-flex { grid-template-columns: 1fr; gap: 30px; }
  .nav-links a { padding: 8px 9px; font-size: 14px; }
}

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 12px 5%;
    background: rgba(10, 7, 22, 0.98);
    border-bottom: 1px solid var(--line-soft);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.55);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s ease, opacity 0.3s ease;
  }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-links a { padding: 12px 14px; font-size: 15px; }
  .nav-cta { display: none; }
  .hero-sub { font-size: 15px; }
  .hero-stats { gap: 10px; }
  .stat { min-width: calc(50% - 5px); padding: 12px 16px; }
  .stat strong { font-size: 22px; }
  .scroll-hint { display: none; }
  .video-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  :root { --nav-h: 58px; }
  .brand-text { font-size: 17px; }
  .brand-icon { width: 32px; height: 32px; }
  .hero-inner { padding-bottom: 110px; }
  .hero-meta { gap: 8px 16px; font-size: 13px; }
  .hero-actions .btn { padding: 12px 24px; font-size: 15px; }
  .hero-stats { margin-top: 40px; }
  .highlight { margin-top: -34px; }
  .highlight-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .highlight-grid li { padding: 14px 12px; gap: 10px; }
  .hl-icon { width: 36px; height: 36px; border-radius: 9px; }
  .hl-grid strong { font-size: 14px; }
  .hl-grid span { font-size: 11px; }
  .welfare, .features, .guide, .gallery, .video-section { padding-top: 60px; padding-bottom: 50px; }
  .welfare-grid, .feature-grid, .guide-grid { grid-template-columns: 1fr; gap: 14px; }
  .welfare-card p { min-height: 0; }
  .guide-card p { min-height: 0; }
  .section-head { margin-bottom: 30px; }
  .battle-wrap { padding: 60px 0; }
  .battle-float { position: static; margin-top: 12px; }
  .slider-main { aspect-ratio: 16 / 10; }
  .slider-thumbs { grid-template-columns: repeat(3, 1fr); }
  .rebate-panel { padding: 30px 22px; border-radius: 16px; }
  .rate-stats { gap: 10px; }
  .mosaic { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 110px; gap: 8px; }
  .m-m1, .m-m2, .m-m3, .m-m4, .m-m5, .m-m6 { grid-column: span 1; grid-row: span 1; }
  .m-m1, .m-m4 { grid-column: span 2; }
  .dl-card { padding: 44px 20px; border-radius: 18px; }
  .dl-actions { gap: 10px; }
  .dl-actions .btn { width: 100%; }
  .footer-grid { flex-direction: column; align-items: flex-start; }
  .to-top { right: 14px; bottom: 18px; width: 40px; height: 40px; }
}