/* ============================================================
   GodsThrone (众神王座) 官网首页样式
   设计语言：希腊神话 × 温暖治愈 Q 版 · 金色/深蓝主色
   动效：Hero 视差、粒子、流光按钮、卡片悬浮、滚动显现
   ============================================================ */

:root {
  --gold:        #e8c877;
  --gold-light:  #f7e6a9;
  --gold-deep:   #b98a3e;
  --navy:        #1b2a4a;
  --navy-dark:   #121e37;
  --cream:       #faf6ec;
  --text:        #2d2d2d;
  --muted:       #6b6b6b;
  --card-bg:     #ffffff;
  --radius:      14px;
  --shadow:      0 10px 30px rgba(27, 42, 74, 0.12);
  --shadow-hover:0 18px 44px rgba(27, 42, 74, 0.20);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background: var(--cream);
  line-height: 1.6;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
.container { width: min(1160px, 92%); margin: 0 auto; }

/* ---------- 顶部导航 ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(18, 30, 55, 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(232, 200, 119, 0.25);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.nav.scrolled {
  background: rgba(18, 30, 55, 0.94);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.nav-logo { display: flex; align-items: center; gap: 10px; color: #fff; }
.nav-logo .logo-mark {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
}
.nav-logo .logo-mark img { width: 100%; height: 100%; object-fit: contain; display: block; }
.nav-logo .logo-text { font-weight: 800; letter-spacing: 0.5px; font-size: 18px; }
.nav-logo .logo-text small { display: block; font-size: 11px; font-weight: 500; color: var(--gold-light); letter-spacing: 2px; }

.nav-menu { display: flex; align-items: center; gap: 26px; }
.nav-menu a.nav-link {
  color: #dbe3f2; font-size: 15px; font-weight: 500; position: relative;
  transition: color 0.25s;
}
.nav-menu a.nav-link::after {
  content: ""; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0;
  background: var(--gold); transition: width 0.3s;
}
.nav-menu a.nav-link:hover { color: var(--gold-light); }
.nav-menu a.nav-link:hover::after { width: 100%; }
.nav-menu a.nav-link.active { color: var(--gold-light); }
.nav-menu a.nav-link.active::after { width: 100%; }

.nav-lang {
  color: var(--gold-light); border: 1px solid var(--gold);
  padding: 7px 14px; border-radius: 20px; font-size: 14px;
  transition: background 0.25s, color 0.25s;
}
.nav-lang:hover { background: var(--gold); color: var(--navy-dark); }

.nav-toggle { display: none; color: #fff; font-size: 26px; cursor: pointer; background: none; border: none; }

/* ---------- Member 下拉菜单 ---------- */
.nav-drop { position: relative; }
.nav-drop-toggle {
  display: inline-flex; align-items: center; gap: 5px;
  background: none; border: none; cursor: pointer;
  color: #fff; font-size: 15px; font-weight: 600; letter-spacing: 0.3px;
  padding: 6px 0; font-family: inherit;
}
.nav-drop-toggle:hover { color: var(--gold-light); }
.nav-drop-menu {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(10px);
  min-width: 150px; padding: 8px; border-radius: 10px;
  background: rgba(18, 30, 55, 0.97); border: 1px solid rgba(232, 200, 119, 0.4);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.45);
  opacity: 0; visibility: hidden;
  transition: opacity 0.2s, transform 0.2s, visibility 0.2s;
  z-index: 60;
}
.nav-drop.open .nav-drop-menu { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(4px); }
.nav-drop-menu a {
  display: block; padding: 9px 16px; border-radius: 6px;
  color: #e6edf5; font-size: 14px; font-weight: 600; white-space: nowrap;
}
.nav-drop-menu a:hover { background: rgba(232, 200, 119, 0.14); color: var(--gold-light); }
.nav-drop-menu a + a { margin-top: 3px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  color: #fff;
  text-align: center;
  background: linear-gradient(180deg, #0f1b34 0%, #1b2a4a 100%);
}
.hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  z-index: 0;
  transform: scale(1.05);
  animation: heroZoom 18s ease-in-out infinite alternate;
}
.hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg,
    rgba(15, 27, 52, 0.55) 0%,
    rgba(15, 27, 52, 0.30) 45%,
    rgba(15, 27, 52, 0.72) 100%);
}
.hero-particles {
  position: absolute; inset: 0; z-index: 2; pointer-events: none;
}
.hero-content {
  position: relative; z-index: 3;
  padding: 120px 20px 80px;
  max-width: 860px;
}
.hero-tagline {
  font-size: 16px; letter-spacing: 2px; color: var(--gold-light);
  margin-bottom: 16px; opacity: 0; animation: fadeUp 0.9s 0.3s forwards;
}
.hero-title {
  font-size: clamp(44px, 8vw, 84px);
  font-weight: 900;
  line-height: 1.05;
  text-shadow: 0 6px 24px rgba(0, 0, 0, 0.45);
  background: linear-gradient(180deg, #fff 20%, var(--gold-light) 70%, var(--gold) 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 0; animation: fadeUp 0.9s 0.45s forwards;
}
.hero-title span { display: block; font-size: clamp(20px, 3vw, 30px); letter-spacing: 4px; margin-top: 10px; -webkit-text-fill-color: var(--gold-light); }
.hero-actions { display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; margin-top: 36px; opacity: 0; animation: fadeUp 0.9s 0.65s forwards; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 30px; border-radius: 12px; font-size: 16px; font-weight: 700;
  border: none; cursor: pointer; position: relative; overflow: hidden;
  transition: transform 0.25s, box-shadow 0.25s;
}
.btn::before {
  content: ""; position: absolute; top: 0; left: -120%;
  width: 60%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,0.35), transparent);
  transform: skewX(-20deg);
  animation: shine 3.2s infinite;
}
.btn:hover { transform: translateY(-3px); }
.btn-play {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-deep) 100%);
  color: var(--navy-dark); box-shadow: 0 8px 26px rgba(232, 200, 119, 0.45);
}
.btn-play:hover { box-shadow: 0 12px 34px rgba(232, 200, 119, 0.65); }
.btn-ghost {
  background: rgba(255, 255, 255, 0.12); color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.45); backdrop-filter: blur(4px);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.2); box-shadow: 0 8px 22px rgba(0,0,0,0.2); }
.btn-topup { background: rgba(18, 30, 55, 0.6); color: var(--gold-light); border: 1px solid var(--gold); }

.hero-scroll {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
  z-index: 3; color: var(--gold-light); font-size: 14px; display: flex; flex-direction: column; align-items: center; gap: 6px;
}
.hero-scroll .chev { width: 22px; height: 22px; border-right: 2px solid var(--gold-light); border-bottom: 2px solid var(--gold-light); transform: rotate(45deg); animation: bounce 2s infinite; }

/* ---------- 通用区块 ---------- */
.section { padding: 84px 0; }
.section-head { text-align: center; margin-bottom: 48px; }
.section-head .sub { color: var(--gold-deep); letter-spacing: 2px; font-size: 14px; text-transform: uppercase; margin-bottom: 8px; }
.section-head h2 { font-size: clamp(28px, 4vw, 40px); color: var(--navy); }
.section-head .divider { width: 70px; height: 3px; background: linear-gradient(90deg, transparent, var(--gold), transparent); margin: 16px auto 0; }

/* ---------- 新闻区 ---------- */
.news-section { background: var(--cream); }
.news-tabs { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-bottom: 32px; }
.news-tab {
  padding: 9px 22px; border-radius: 24px; border: 1px solid #ddd7c6;
  background: #fff; color: var(--text); font-size: 14px; font-weight: 600; cursor: pointer;
  transition: all 0.25s;
}
.news-tab.active, .news-tab:hover { background: var(--navy); color: #fff; border-color: var(--navy); }

.news-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 20px; }
.news-card {
  background: var(--card-bg); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); border: 1px solid #efe9da; padding: 22px;
  display: flex; flex-direction: column; justify-content: space-between; gap: 14px;
  transition: transform 0.3s, box-shadow 0.3s;
  opacity: 0; transform: translateY(30px);
}
.news-card.visible { opacity: 1; transform: translateY(0); }
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.news-card .news-top { display: flex; align-items: center; justify-content: space-between; }
.news-tag {
  font-size: 12px; padding: 4px 12px; border-radius: 14px; font-weight: 700;
  background: #f2ecdc; color: var(--gold-deep);
}
.news-date { font-size: 13px; color: var(--muted); }
.news-title { font-size: 17px; font-weight: 700; color: var(--navy); }
.news-summary { font-size: 14px; color: var(--muted); }
.news-link { font-size: 14px; color: var(--gold-deep); font-weight: 700; transition: color 0.2s; }
.news-link:hover { color: var(--gold-deep); text-decoration: underline; }

.news-more-wrap { text-align: center; margin-top: 36px; }
.btn-more {
  display: inline-block; padding: 12px 34px; border-radius: 30px;
  border: 2px solid var(--navy); color: var(--navy); font-weight: 700; font-size: 15px;
  transition: all 0.25s;
}
.btn-more:hover { background: var(--navy); color: #fff; }

/* ---------- 游戏指南 ---------- */
.guide-section { background: linear-gradient(180deg, #1b2a4a 0%, #16223c 100%); color: #fff; }
.guide-section .section-head h2 { color: #fff; }
.guide-section .section-head .sub { color: var(--gold-light); }
.guide-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.guide-card {
  background: rgba(255, 255, 255, 0.07); border: 1px solid rgba(232, 200, 119, 0.25);
  border-radius: var(--radius); padding: 26px; text-align: center;
  transition: transform 0.3s, background 0.3s;
}
.guide-card:hover { transform: translateY(-6px); background: rgba(255, 255, 255, 0.12); }
.guide-card .guide-icon { font-size: 34px; margin-bottom: 12px; }
.guide-card h3 { font-size: 17px; margin-bottom: 6px; color: var(--gold-light); }
.guide-card p { font-size: 13px; color: #c7d1e8; }
.guide-more { text-align: center; margin-top: 34px; }
.guide-more a { color: var(--gold-light); border-bottom: 1px solid var(--gold); padding-bottom: 2px; font-weight: 600; }

/* ---------- 特色玩法 ---------- */
.features-section { background: #fff; }
.feature-row {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 26px;
}
.feature-card {
  background: var(--cream); border-radius: var(--radius); overflow: hidden;
  border: 1px solid #efe9da; box-shadow: var(--shadow);
  transition: transform 0.3s, box-shadow 0.3s;
  opacity: 0; transform: translateY(30px);
}
.feature-card.visible { opacity: 1; transform: translateY(0); }
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.feature-card .feature-img { height: 190px; overflow: hidden; }
.feature-card .feature-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.feature-card:hover .feature-img img { transform: scale(1.06); }
.feature-card .feature-body { padding: 22px; }
.feature-card h3 { font-size: 18px; color: var(--navy); margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--muted); }

/* ---------- 游戏介绍 ---------- */
.intro-section { background: var(--cream); }
.intro-wrap {
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center;
}
.intro-img {
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
  opacity: 0; transform: translateX(-30px);
}
.intro-img.visible { opacity: 1; transform: translateX(0); }
.intro-text h2 { font-size: clamp(26px, 3.5vw, 36px); color: var(--navy); margin-bottom: 20px; }
.intro-text p { font-size: 16px; color: var(--muted); margin-bottom: 16px; }

/* ---------- CTA ---------- */
.cta-section {
  background: linear-gradient(135deg, #1b2a4a, #16223c);
  text-align: center; color: #fff; padding: 64px 0; position: relative; overflow: hidden;
}
.cta-section .container { position: relative; z-index: 2; }
.cta-section h2 { font-size: clamp(26px, 4vw, 38px); margin-bottom: 12px; }
.cta-section p { color: #c7d1e8; margin-bottom: 28px; }
.cta-glow {
  position: absolute; width: 500px; height: 500px; border-radius: 50%;
  background: radial-gradient(circle, rgba(232, 200, 119, 0.25), transparent 70%);
  top: 50%; left: 50%; transform: translate(-50%, -50%);
  animation: glowPulse 6s ease-in-out infinite;
}

/* ---------- 页脚 ---------- */
.footer { background: #0e1830; color: #b9c4dd; padding: 40px 0 24px; }
.footer-top { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px; margin-bottom: 24px; }
.footer-logo { color: #fff; font-weight: 800; font-size: 18px; display: flex; align-items: center; gap: 10px; }
.footer-logo img { width: 32px; height: 32px; display: block; object-fit: contain; }
.footer-logo small { color: var(--gold-light); font-weight: 500; font-size: 11px; display: block; letter-spacing: 2px; }
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-links a { color: #b9c4dd; font-size: 14px; transition: color 0.2s; }
.footer-links a:hover { color: var(--gold-light); }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.08); padding-top: 18px; text-align: center; font-size: 13px; }

/* ---------- 动效关键帧 ---------- */
@keyframes heroZoom { from { transform: scale(1.05); } to { transform: scale(1.14); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: translateY(0); } }
@keyframes shine { 0% { left: -120%; } 60% { left: 120%; } 100% { left: 120%; } }
@keyframes bounce { 0%, 100% { transform: rotate(45deg) translate(0, 0); } 50% { transform: rotate(45deg) translate(0, 8px); } }
@keyframes glowPulse { 0%, 100% { opacity: 0.6; transform: translate(-50%, -50%) scale(1); } 50% { opacity: 1; transform: translate(-50%, -50%) scale(1.15); } }
@keyframes floatParticle { 0% { transform: translateY(100vh); opacity: 0; } 10% { opacity: 0.8; } 90% { opacity: 0.8; } 100% { transform: translateY(-10vh); opacity: 0; } }

/* 粒子元素（由 JS 动态生成） */
.particle {
  position: absolute; border-radius: 50%;
  background: radial-gradient(circle, var(--gold-light), transparent 70%);
  animation: floatParticle linear infinite;
  pointer-events: none;
}

/* ---------- 顶部/底部社交按钮 (SVG 品牌色) ---------- */
.nav-social { display: inline-flex; gap: 8px; align-items: center; }
.soc {
  width: 30px; height: 30px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; text-decoration: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.22);
  transition: transform 0.25s, box-shadow 0.25s, filter 0.25s;
}
.soc svg { width: 16px; height: 16px; }
.soc:hover { transform: translateY(-3px) scale(1.1); box-shadow: 0 6px 18px rgba(0, 0, 0, 0.32); filter: brightness(1.12); }

/* 各平台品牌色 */
.soc-dc  { background: radial-gradient(circle at 30% 25%, #7d97f2, #5865F2); }
.soc-x   { background: radial-gradient(circle at 30% 25%, #3a3a3a, #000); }
.soc-fb  { background: radial-gradient(circle at 30% 25%, #6a9bf0, #1877F2); }
.soc-yt  { background: radial-gradient(circle at 30% 25%, #ff6a5f, #FF0000); }

.footer-social { display: flex; gap: 12px; }
.footer-social .soc { width: 38px; height: 38px; }
.footer-social .soc svg { width: 20px; height: 20px; }

/* ---------- 新闻黑板风格（参考图示） ---------- */
.news-section {
  position: relative;
  background:
    linear-gradient(rgba(8, 12, 24, 0.55), rgba(8, 12, 24, 0.55)),
    url('../images/news_bg.jpg') center / cover no-repeat;
  background-color: #eef4f0;
  box-shadow:
    inset 0 30px 45px -35px rgba(0,0,0,0.5),
    inset 0 -30px 45px -35px rgba(0,0,0,0.5),
    0 20px 40px -22px rgba(0,0,0,0.35);
}
.blackboard {
  position: relative;
  max-width: 940px; margin: 0 auto;
  background: #2e4a3d;
  background-image:
    radial-gradient(circle at 12% 18%, rgba(255,255,255,0.05) 2px, transparent 2px),
    radial-gradient(circle at 60% 40%, rgba(255,255,255,0.04) 1.5px, transparent 1.5px),
    radial-gradient(circle at 85% 70%, rgba(255,255,255,0.05) 2px, transparent 2px);
  background-size: 46px 46px;
  border-radius: 18px;
  padding: 30px 26px 26px;
  box-shadow:
    inset 0 0 0 3px rgba(232, 200, 119, 0.35),
    inset 0 0 40px rgba(0, 0, 0, 0.35),
    0 14px 40px rgba(27, 42, 74, 0.25);
}
.blackboard::before {
  content: ""; position: absolute; inset: 10px;
  border: 2px solid rgba(232, 200, 119, 0.28); border-radius: 12px;
  pointer-events: none;
}
.bb-head { text-align: center; margin-bottom: 18px; }
.bb-head h2 {
  display: inline-block; color: var(--gold-light); font-size: clamp(26px, 4vw, 34px);
  letter-spacing: 2px; text-shadow: 0 2px 8px rgba(0,0,0,0.4);
  margin: 0 10px;
}
.bb-wing { color: var(--gold); font-size: 20px; }

.bb-tabs { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.bb-tab {
  padding: 6px 16px; border-radius: 6px; border: 1px solid rgba(232, 200, 119, 0.5);
  background: transparent; color: #eef4d8; font-size: 12px; font-weight: 800;
  letter-spacing: 1px; cursor: pointer; text-transform: uppercase;
  transition: all 0.25s;
}
.bb-tab.active, .bb-tab:hover { background: var(--gold); color: var(--navy-dark); border-color: var(--gold); }

.bb-list { display: flex; flex-direction: column; }
.bb-row {
  display: grid; grid-template-columns: 72px 1fr auto; align-items: center; gap: 12px;
  padding: 11px 6px; border-bottom: 1px dashed rgba(232, 200, 119, 0.25);
  color: #f0f6e8; transition: background 0.2s, padding-left 0.2s;
}
.bb-row:hover { background: rgba(232, 200, 119, 0.08); padding-left: 14px; }
.bb-row:last-of-type { border-bottom: none; }
.bb-cat {
  font-size: 11px; font-weight: 700; color: #cfe3b6; text-transform: uppercase;
  padding: 3px 8px; border-radius: 4px; background: rgba(255,255,255,0.08);
  text-align: center; white-space: nowrap;
}
.bb-title { font-size: 15px; font-weight: 600; color: #fff; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bb-date { font-size: 12px; color: #a9c4a4; white-space: nowrap; }
.bb-empty { color: #a9c4a4; text-align: center; padding: 20px; }
.bb-more { text-align: center; margin-top: 18px; }
.bb-more a {
  display: inline-block; padding: 9px 34px; border-radius: 6px;
  border: 2px solid var(--gold); color: var(--gold); font-weight: 800; letter-spacing: 2px;
  font-size: 13px; transition: all 0.25s;
}
.bb-more a:hover { background: var(--gold); color: var(--navy-dark); }

/* ---------- 游戏介绍：左右滑动幻灯片 ---------- */
.intro-section {
  position: relative;
  background:
    linear-gradient(rgba(8, 12, 24, 0.55), rgba(8, 12, 24, 0.55)),
    url('../images/Introduction_bg.jpg') center / cover no-repeat;
  background-color: #e9d9b6;
  box-shadow:
    inset 0 30px 45px -35px rgba(0,0,0,0.5),
    inset 0 -30px 45px -35px rgba(0,0,0,0.5),
    0 20px 40px -22px rgba(0,0,0,0.35);
}
/* 深色背景下保证标题可读 */
.intro-section .section-head h2 { color: #fff; text-shadow: 0 2px 10px rgba(0,0,0,0.5); }
.intro-section .section-head .sub { color: var(--gold-light); }
.intro-slider { position: relative; max-width: 1000px; margin: 0 auto; }
.intro-track {
  position: relative; width: 100%; height: 460px;
  overflow: hidden; border-radius: 16px;
}
.intro-slide {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  border-radius: 16px; overflow: hidden;
  box-shadow: var(--shadow);
  background: #fff; border: 1px solid #efe9da;
  transform: translateX(100%);
  transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.intro-slide.active { transform: translateX(0); }
.intro-slide.prev { transform: translateX(-100%); }
.intro-slide-img { flex: 1; min-height: 0; }
.intro-slide-img img { width: 100%; height: 100%; object-fit: cover; }
.intro-slide-body { padding: 20px 26px; background: linear-gradient(135deg, #1b2a4a, #16223c); color: #fff; }
.intro-slide-body h3 { font-size: 20px; color: var(--gold-light); margin-bottom: 6px; }
.intro-slide-body p { font-size: 15px; color: #c7d1e8; }

/* 左右箭头（SVG，无底色，置于图片内部） */
.intro-arrow {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 46px; height: 46px;
  border: none; cursor: pointer; z-index: 10;
  background: transparent; color: var(--gold-light);
  display: flex; align-items: center; justify-content: center;
  filter: drop-shadow(0 2px 5px rgba(0,0,0,0.65));
  transition: transform 0.2s, color 0.2s;
}
.intro-arrow:hover { transform: translateY(-50%) scale(1.12); color: #fff; }
.intro-prev { left: 12px; }
.intro-next { right: 12px; }

/* 指示圆点 */
.intro-dots { display: flex; justify-content: center; gap: 10px; margin-top: 22px; }
.intro-dot {
  width: 12px; height: 12px; border-radius: 50%; border: none; cursor: pointer;
  background: #d5dbe4; transition: all 0.3s;
}
.intro-dot.active { background: var(--gold-deep); width: 26px; border-radius: 8px; }

/* ---------- 下载页 ---------- */
.download-hero {
  position: relative; min-height: 46vh; display: flex; align-items: center; justify-content: center;
  overflow: hidden; color: #fff; text-align: center;
}
.download-hero .hero-content { position: relative; z-index: 2; padding: 0 20px; }
.download-hero .hero-title { font-size: clamp(30px, 5vw, 48px); }
.download-section { background: linear-gradient(180deg, #fff 0%, #f7f2e7 100%); }
.download-list { display: flex; flex-direction: column; gap: 22px; max-width: 860px; margin: 0 auto; }
.download-card {
  background: #fff; border-radius: var(--radius); overflow: hidden;
  border: 1px solid #eee4cf; box-shadow: var(--shadow);
  padding: 24px 28px;
}
.download-card.primary { border: 2px solid var(--gold); }
.dl-card-head { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.dl-title h3 { font-size: 19px; color: var(--navy); margin-bottom: 4px; }
.dl-ver {
  display: inline-block; padding: 3px 12px; border-radius: 4px; font-size: 12px;
  background: #f2ecdc; color: var(--gold-deep); font-weight: 800;
}
.dl-size { text-align: right; }
.dl-size span { display: block; font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 1px; }
.dl-size strong { font-size: 22px; color: var(--navy); }
.dl-desc { margin-top: 14px; font-size: 14px; color: var(--muted); line-height: 1.7; }
.dl-action { margin-top: 18px; display: flex; gap: 12px; flex-wrap: wrap; }
.dl-action .btn { display: inline-flex; align-items: center; }
.dl-action .btn-topup { border: 1px solid var(--gold); background: linear-gradient(135deg, var(--gold), var(--gold-deep)); color: var(--navy-dark); }
.download-specs {
  max-width: 860px; margin: 44px auto 0; background: #fff; border-radius: var(--radius);
  padding: 28px; border: 1px solid #eee4cf; box-shadow: var(--shadow);
}
.download-specs h3 { font-size: 18px; color: var(--navy); margin-bottom: 18px; }
.spec-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.spec { padding: 14px; background: #faf6ec; border-radius: 10px; }
.spec span { display: block; font-size: 12px; color: var(--gold-deep); font-weight: 700; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 6px; }
.spec strong { font-size: 15px; color: var(--navy); }
.spec-note { margin-top: 18px; font-size: 13px; color: var(--muted); }

/* ---------- 响应式 ---------- */
@media (max-width: 860px) {
  .nav-menu {
    position: fixed; top: 70px; right: -100%; flex-direction: column;
    background: rgba(18, 30, 55, 0.97); width: 240px; padding: 26px; gap: 18px;
    transition: right 0.3s; border-radius: 0 0 0 14px;
  }
  .nav-menu.open { right: 0; }
  .nav-toggle { display: block; }
  .nav-drop-menu { position: static; transform: none; opacity: 1; visibility: hidden; background: transparent; border: none; box-shadow: none; min-width: 0; padding: 4px 0 6px 12px; }
  .nav-drop.open .nav-drop-menu { visibility: visible; }
  .hero-actions { flex-direction: column; align-items: center; }
  .bb-row { grid-template-columns: 60px 1fr; }
  .bb-date { display: none; }
  .footer-top { flex-direction: column; align-items: flex-start; }
  .intro-track { height: 380px; }
  .intro-arrow { width: 36px; height: 36px; }
  .intro-prev { left: 6px; }
  .intro-next { right: 6px; }
  .spec-grid { grid-template-columns: 1fr; }
  .dl-card-head { flex-direction: column; align-items: flex-start; }
  .dl-size { text-align: left; }
}