/* ============================================================
   Azahar 官方网站 · 全局样式
   配色取自橙花 Logo：橙花橙（主色）/ 暖米白（花瓣）/ 墨黑（描边）
   风格：扁平 · 现代 · 专业
   ============================================================ */

/* ---------- 设计令牌 ---------- */
:root {
  /* 品牌橙 */
  --brand-50:  #fdf5ec;
  --brand-100: #fae7d3;
  --brand-200: #f4cda2;
  --brand-300: #edae6d;
  --brand-400: #e8913c;
  --brand-500: #e47d1c;   /* 主色 */
  --brand-600: #cb6512;
  --brand-700: #a84f12;
  --brand-800: #874015;
  --brand-900: #6e3614;

  /* 花心金 / 花叶绿 */
  --gold:      #f0b429;
  --gold-deep: #cf9409;
  --leaf:      #5c9450;
  --leaf-deep: #457a3c;

  /* 暖性中性色 */
  --ink:       #211e18;
  --ink-soft:  #3a352c;
  --body:      #514b3f;
  --muted:     #7c7464;
  --line:      #e8e1d2;
  --line-soft: #f0ebdf;
  --bg:        #faf7f0;
  --surface:   #ffffff;
  --cream:     #fef9ec;
  --cream-deep:#f6efdb;

  /* 深色区 */
  --dark:      #1e1b15;
  --dark-2:    #28231a;
  --dark-line: #3a3428;
  --dark-text: #e9e2d2;
  --dark-muted:#a99f8a;

  /* 状态色 */
  --ok:   #4e8f4b;
  --warn: #d3961c;
  --bad:  #c2543a;
  --info: #4a7c9b;

  /* 字体 */
  --font-display: "Sora", "Noto Sans SC", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "Sora", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  /* 形状与阴影（扁平克制） */
  --r-sm: 6px;
  --r: 10px;
  --r-lg: 14px;
  --shadow: 0 1px 2px rgba(40,32,20,.05), 0 10px 30px -16px rgba(40,32,20,.22);
  --shadow-sm: 0 1px 2px rgba(40,32,20,.06);

  --container: 1180px;
  --nav-h: 70px;
}

/* ---------- 基础重置 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--body);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--ink);
  font-weight: 700;
  line-height: 1.28;
  margin: 0 0 .5em;
}
p { margin: 0 0 1em; }
a { color: var(--brand-600); text-decoration: none; transition: color .18s ease; }
a:hover { color: var(--brand-700); }
img, svg, video { max-width: 100%; height: auto; display: block; }
ul, ol { margin: 0 0 1em; padding-left: 1.3em; }
button { font-family: inherit; cursor: pointer; }
:focus-visible { outline: 3px solid var(--brand-300); outline-offset: 2px; border-radius: 2px; }

::selection { background: var(--brand-200); color: var(--ink); }

/* ---------- 布局容器 ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 84px 0; }
.section-sm { padding: 56px 0; }
.section-tight { padding: 64px 0; }
.bg-white { background: var(--surface); }
.bg-cream { background: var(--cream); }
.bg-cream-deep { background: var(--cream-deep); }
.bg-dark { background: var(--dark); color: var(--dark-text); }
.bg-dark h1, .bg-dark h2, .bg-dark h3, .bg-dark h4 { color: #fff; }

/* 区块标题 */
.section-head { max-width: 720px; margin: 0 auto 52px; text-align: center; }
.section-head.left { margin-left: 0; margin-right: 0; text-align: left; }
.eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--brand-600);
  margin-bottom: 14px;
}
.bg-dark .eyebrow { color: var(--brand-300); }
.section-head h2 { font-size: clamp(26px, 3.4vw, 36px); margin-bottom: 16px; }
.section-head p { font-size: 17px; color: var(--muted); margin: 0; }
.bg-dark .section-head p { color: var(--dark-muted); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1;
  padding: 15px 28px;
  border-radius: var(--r-sm);
  border: 1.5px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: background .18s ease, border-color .18s ease, color .18s ease, transform .12s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--brand-500); color: #fff; }
.btn-primary:hover { background: var(--brand-600); color: #fff; }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #000; color: #fff; }
.btn-outline { background: transparent; border-color: var(--line); color: var(--ink); }
.btn-outline:hover { border-color: var(--brand-400); color: var(--brand-600); background: var(--brand-50); }
.btn-ghost-light { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.22); color: #fff; }
.btn-ghost-light:hover { background: rgba(255,255,255,.16); color: #fff; }
.btn-sm { padding: 10px 18px; font-size: 14px; }
.btn-lg { padding: 17px 34px; font-size: 16.5px; }
.btn-block { width: 100%; }
.btn .svgicon { width: 18px; height: 18px; flex: none; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: var(--nav-h); gap: 24px; }
.brand { display: flex; align-items: center; gap: 11px; flex: none; }
.brand img { width: 110px; height: 38px; }
.brand-name { font-family: var(--font-display); font-weight: 700; font-size: 21px; color: var(--ink); letter-spacing: -.01em; line-height: 1; }
.brand-name small { display: block; font-size: 11px; font-weight: 500; color: var(--muted); letter-spacing: .14em; margin-top: 4px; }
.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  display: block;
  padding: 9px 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-soft);
  border-radius: var(--r-sm);
}
.nav-links a:hover { color: var(--brand-600); background: var(--brand-50); }
.nav-links a.active { color: var(--brand-600); font-weight: 600; }
.nav-cta { display: flex; align-items: center; gap: 12px; flex: none; }
.nav-toggle {
  display: none;
  width: 44px; height: 42px;
  align-items: center; justify-content: center;
  background: none; border: 1px solid var(--line); border-radius: var(--r-sm);
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ""; display: block; width: 20px; height: 2px; background: var(--ink); position: relative; transition: .2s;
}
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after { position: absolute; top: 6px; }
.site-header.menu-open .nav-toggle span { background: transparent; }
.site-header.menu-open .nav-toggle span::before { top: 0; transform: rotate(45deg); }
.site-header.menu-open .nav-toggle span::after { top: 0; transform: rotate(-45deg); }

/* ---------- 首页 Hero ---------- */
.hero { position: relative; background: var(--dark); color: var(--dark-text); overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(900px 480px at 78% -10%, rgba(228,125,28,.32), transparent 60%),
    radial-gradient(700px 420px at 12% 110%, rgba(92,148,80,.18), transparent 60%);
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1.02fr .98fr; gap: 56px; align-items: center; padding: 88px 0 96px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 13.5px; font-weight: 500; color: var(--dark-text);
  background: rgba(255,255,255,.07); border: 1px solid var(--dark-line);
  padding: 7px 14px; border-radius: 100px; margin-bottom: 26px;
}
.hero-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--gold); }
.hero h1 { color: #fff; font-size: clamp(32px, 4.6vw, 50px); font-weight: 800; letter-spacing: -.02em; margin-bottom: 22px; }
.hero h1 .accent { color: var(--brand-400); }
.hero-lead { font-size: 18px; line-height: 1.8; color: var(--dark-muted); max-width: 540px; margin-bottom: 34px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 40px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 30px; }
.hero-meta .m { display: flex; flex-direction: column; }
.hero-meta .m b { font-family: var(--font-display); font-size: 24px; color: #fff; font-weight: 700; line-height: 1.1; }
.hero-meta .m span { font-size: 13px; color: var(--dark-muted); margin-top: 5px; }
.hero-shot { position: relative; }
.hero-shot .frame {
  border-radius: var(--r-lg); overflow: hidden;
  border: 1px solid var(--dark-line);
  box-shadow: 0 30px 70px -30px rgba(0,0,0,.8);
  background: var(--dark-2);
}
.hero-shot .frame img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.hero-shot .chip {
  position: absolute; left: -18px; bottom: -20px;
  background: var(--surface); color: var(--ink);
  border-radius: var(--r); padding: 14px 18px;
  box-shadow: var(--shadow); display: flex; align-items: center; gap: 12px;
}
.hero-shot .chip .svgicon { width: 26px; height: 26px; color: var(--brand-500); }
.hero-shot .chip b { font-family: var(--font-display); font-size: 15px; display: block; line-height: 1.2; }
.hero-shot .chip span { font-size: 12.5px; color: var(--muted); }

/* 信任条 */
.trustbar { background: var(--dark-2); border-top: 1px solid var(--dark-line); }
.trustbar-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; padding: 20px 0; }
.trustbar-label { font-size: 13px; color: var(--dark-muted); letter-spacing: .04em; }
.trustbar-items { display: flex; flex-wrap: wrap; gap: 26px; }
.trustbar-items span { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--dark-text); font-weight: 500; }
.trustbar-items .svgicon { width: 17px; height: 17px; color: var(--brand-300); }

/* ---------- 通用卡片 ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 30px;
  height: 100%;
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.card:hover { border-color: var(--brand-300); box-shadow: var(--shadow); transform: translateY(-3px); }
.card-icon {
  width: 50px; height: 50px; border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  background: var(--brand-50); color: var(--brand-600);
  margin-bottom: 20px;
}
.card-icon .svgicon { width: 25px; height: 25px; }
.card h3 { font-size: 19px; margin-bottom: 10px; }
.card p { font-size: 15px; color: var(--muted); margin: 0; }
.card .more { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; font-size: 14px; font-weight: 600; color: var(--brand-600); }

.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- 使用场景 ---------- */
.scene { position: relative; border-radius: var(--r); overflow: hidden; border: 1px solid var(--line); background: var(--surface); height: 100%; display: flex; flex-direction: column; }
.scene-media { position: relative; aspect-ratio: 16/10; overflow: hidden; background: var(--cream-deep); }
.scene-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.scene:hover .scene-media img { transform: scale(1.05); }
.scene-tag {
  position: absolute; top: 14px; left: 14px;
  background: rgba(30,27,21,.82); color: #fff;
  font-size: 12.5px; font-weight: 500; padding: 5px 12px; border-radius: 100px;
}
.scene-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.scene-body h3 { font-size: 18.5px; margin-bottom: 9px; }
.scene-body p { font-size: 14.5px; color: var(--muted); margin: 0; flex: 1; }
.scene-body ul { margin: 14px 0 0; padding: 0; list-style: none; }
.scene-body li { font-size: 13.5px; color: var(--body); padding: 5px 0 5px 22px; position: relative; }
.scene-body li::before { content: ""; position: absolute; left: 2px; top: 12px; width: 8px; height: 8px; border-radius: 2px; background: var(--brand-400); }

/* ---------- 核心优势（编号 + 图标） ---------- */
.adv { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; background: var(--surface); }
.adv-item { padding: 34px 34px; display: flex; gap: 20px; border-bottom: 1px solid var(--line-soft); }
.adv-item:nth-child(odd) { border-right: 1px solid var(--line-soft); }
.adv-item:nth-last-child(-n+2) { border-bottom: none; }
.adv-icon { flex: none; width: 48px; height: 48px; border-radius: var(--r-sm); background: var(--brand-50); color: var(--brand-600); display: flex; align-items: center; justify-content: center; }
.adv-icon .svgicon { width: 24px; height: 24px; }
.adv-item h3 { font-size: 18px; margin-bottom: 7px; }
.adv-item p { font-size: 14.5px; color: var(--muted); margin: 0; }

/* ---------- 数据统计带 ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat { text-align: center; }
.stat b { font-family: var(--font-display); font-size: clamp(30px, 4vw, 42px); font-weight: 800; color: var(--brand-600); line-height: 1; display: block; margin-bottom: 10px; letter-spacing: -.02em; }
.bg-dark .stat b { color: var(--brand-300); }
.stat span { font-size: 14.5px; color: var(--muted); }
.bg-dark .stat span { color: var(--dark-muted); }

/* ---------- 表格 ---------- */
.table-wrap { border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; overflow-x: auto; background: var(--surface); }
table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.table-fixed { table-layout: fixed; }
th, td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
thead th { background: var(--cream); color: var(--ink); font-family: var(--font-display); font-weight: 600; font-size: 14px; white-space: nowrap; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--brand-50); }
td code, p code, li code { font-family: var(--font-mono); font-size: .88em; background: var(--cream-deep); color: var(--brand-700); padding: 2px 7px; border-radius: 5px; }

/* ---------- 子页面页头 / 面包屑 ---------- */
.page-hero { background: var(--dark); color: var(--dark-text); position: relative; overflow: hidden; }
.page-hero::before { content:""; position:absolute; inset:0; background: radial-gradient(760px 380px at 85% -20%, rgba(228,125,28,.28), transparent 60%); }
.page-hero-inner { position: relative; padding: 64px 0 58px; }
.breadcrumb { font-size: 13.5px; color: var(--dark-muted); margin-bottom: 18px; display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.breadcrumb a { color: var(--dark-muted); }
.breadcrumb a:hover { color: var(--brand-300); }
.breadcrumb .sep { opacity: .5; }
.breadcrumb [aria-current="page"] { color: var(--dark-text); }
.page-hero h1 { color: #fff; font-size: clamp(28px, 4vw, 40px); margin-bottom: 14px; }
.page-hero .lead { font-size: 17px; color: var(--dark-muted); max-width: 680px; margin: 0; }

/* ---------- 下载平台卡片 ---------- */
.platform-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 30px; height: 100%; display: flex; flex-direction: column; }
.platform-head { display: flex; align-items: center; gap: 15px; margin-bottom: 18px; }
.platform-logo { width: 52px; height: 52px; flex: none; border-radius: var(--r-sm); background: var(--cream); color: var(--brand-600); display: flex; align-items: center; justify-content: center; }
.platform-logo .svgicon { width: 28px; height: 28px; }
.platform-head h3 { margin: 0; font-size: 20px; }
.platform-head .ver { font-size: 13px; color: var(--muted); margin-top: 3px; }
.platform-card ul { list-style: none; padding: 0; margin: 0 0 22px; }
.platform-card li { font-size: 14px; color: var(--body); padding: 6px 0 6px 24px; position: relative; border-bottom: 1px dashed var(--line-soft); }
.platform-card li:last-child { border-bottom: none; }
.platform-card li .svgicon { position: absolute; left: 0; top: 8px; width: 15px; height: 15px; color: var(--leaf); }
.platform-actions { margin-top: auto; display: flex; flex-direction: column; gap: 10px; }
.channel-row { display: flex; flex-wrap: wrap; gap: 10px; }
.channel-pill {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13.5px; font-weight: 500; color: var(--ink-soft);
  border: 1px solid var(--line); border-radius: 100px; padding: 8px 15px;
  background: var(--surface); transition: .18s;
}
.channel-pill:hover { border-color: var(--brand-400); color: var(--brand-600); background: var(--brand-50); }
.channel-pill .svgicon { width: 15px; height: 15px; }

/* ---------- 下载弹窗 ---------- */
.modal-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(28,24,16,.62);
  display: none; align-items: center; justify-content: center;
  padding: 24px; opacity: 0; transition: opacity .22s ease;
}
.modal-overlay.open { display: flex; opacity: 1;  left: 0;
  right: 0;
  top: 0;
  bottom: 0;}
button { outline: none } 
.modal {
  background: var(--surface); border-radius: var(--r-lg);
  width: 100%; max-width: 680px; max-height: 90vh; overflow-y: auto;
  box-shadow: 0 40px 90px -30px rgba(0,0,0,.6);
  transform: translateY(14px) scale(.98); transition: transform .24s ease;
}
.modal-overlay.open .modal { transform: none; }
.modal-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding: 26px 30px 0; }
.modal-head h3 { font-size: 22px; margin: 0 0 6px; }
.modal-head p { font-size: 14px; color: var(--muted); margin: 0; }
.modal-close { flex: none; width: 38px; height: 38px; border-radius: var(--r-sm); border: 1px solid var(--line); background: var(--surface); color: var(--muted); display: flex; align-items: center; justify-content: center; }
.modal-close:hover { color: var(--ink); border-color: var(--muted); }
.modal-body { padding: 24px 30px 30px; }
.qr-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 22px; }
.qr-box { border: 1px solid var(--line); border-radius: var(--r); padding: 20px; text-align: center; background: var(--cream); }
.qr-placeholder {
  width: 100%; aspect-ratio: 1/1; max-width: 190px; margin: 0 auto 14px;
  border: 2px dashed var(--brand-300); border-radius: var(--r-sm);
  background: repeating-linear-gradient(45deg, #fff, #fff 11px, var(--brand-50) 11px, var(--brand-50) 22px);
  display: flex; align-items: center; justify-content: center; color: var(--brand-400);
}
.qr-placeholder .svgicon { width: 46px; height: 46px; }
.qr-box b { display: block; font-family: var(--font-display); font-size: 14.5px; color: var(--ink); margin-bottom: 3px; }
.qr-box span { font-size: 12.5px; color: var(--muted); }
.modal-divider { display: flex; align-items: center; gap: 14px; font-size: 13px; color: var(--muted); margin: 6px 0 18px; }
.modal-divider::before, .modal-divider::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.modal-channels { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.modal-channels a {
  display: flex; flex-direction: column; align-items: center; gap: 8px; text-align: center;
  border: 1px solid var(--line); border-radius: var(--r); padding: 16px 10px;
  font-size: 13px; font-weight: 500; color: var(--ink-soft); background: var(--surface);
}
.modal-channels a:hover { border-color: var(--brand-400); color: var(--brand-600); background: var(--brand-50); }
.modal-channels .svgicon { width: 24px; height: 24px; color: var(--brand-600); }
.modal-note { margin-top: 18px; font-size: 12.5px; color: var(--muted); line-height: 1.7; text-align: center; }

/* ---------- 兼容性评级 ---------- */
.rating { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 600; padding: 4px 11px; border-radius: 100px; white-space: nowrap; }
.rating .svgicon { width: 13px; height: 13px; }
.r-perfect { background: #e8f3e6; color: var(--leaf-deep); }
.r-great   { background: #eef6e9; color: #5a8a3c; }
.r-playable{ background: #fbf2da; color: #a9791a; }
.r-ingame  { background: #fbeadc; color: #b56a23; }
.r-borked  { background: #f8e6e1; color: #b04a33; }
.r-untested{ background: #efece4; color: var(--muted); }

.compat-bar { display: flex; align-items: center; gap: 14px; }
.compat-bar .track { flex: 1; height: 12px; border-radius: 100px; background: var(--line-soft); overflow: hidden; }
.compat-bar .fill { height: 100%; border-radius: 100px; }
.compat-bar .val { font-family: var(--font-mono); font-size: 13px; color: var(--ink-soft); width: 56px; text-align: right; flex: none; }
.compat-legend { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 26px; }
.compat-legend span { display: inline-flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--body); }
.compat-legend .sw { width: 13px; height: 13px; border-radius: 3px; }

.game-row { display: flex; align-items: center; gap: 16px; padding: 16px 20px; border-bottom: 1px solid var(--line-soft); }
.game-row:last-child { border-bottom: none; }
.game-tile { flex: none; width: 46px; height: 46px; border-radius: var(--r-sm); background: var(--cream-deep); color: var(--brand-600); display: flex; align-items: center; justify-content: center; }
.game-tile .svgicon { width: 24px; height: 24px; }
.game-info { flex: 1; min-width: 0; }
.game-info b { font-family: var(--font-display); font-size: 15.5px; color: var(--ink); display: block; }
.game-info span { font-size: 13px; color: var(--muted); }
.game-list-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }

/* ---------- FAQ 手风琴 ---------- */
.faq-list { border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; background: var(--surface); }
.faq-item { border-bottom: 1px solid var(--line-soft); }
.faq-item:last-child { border-bottom: none; }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 18px;
  background: none; border: none; text-align: left;
  padding: 21px 26px; font-family: var(--font-display); font-size: 16.5px; font-weight: 600; color: var(--ink);
}
.faq-q:hover { color: var(--brand-600); }
.faq-q .faq-icon { flex: none; width: 26px; height: 26px; border-radius: 50%; background: var(--brand-50); color: var(--brand-600); display: flex; align-items: center; justify-content: center; transition: transform .25s ease, background .2s; }
.faq-q .faq-icon .svgicon { width: 14px; height: 14px; }
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--brand-500); color: #fff; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a-inner { padding: 0 26px 23px; font-size: 15px; color: var(--body); }
.faq-a-inner p:last-child { margin-bottom: 0; }

/* ---------- 时间轴（项目历程） ---------- */
.timeline { display: grid; grid-template-columns: 150px 28px 1fr; row-gap: 0; }
.tl-row { display: contents; }
.tl-time { padding: 0 20px 40px 0; text-align: right; }
.tl-time b { font-family: var(--font-mono); font-size: 14px; color: var(--brand-600); display: block; }
.tl-axis { position: relative; display: flex; justify-content: center; }
.tl-axis::before { content: ""; position: absolute; top: 6px; bottom: -8px; width: 2px; background: var(--line); }
.tl-dot { position: relative; z-index: 1; width: 14px; height: 14px; margin-top: 4px; border-radius: 50%; background: var(--brand-500); border: 3px solid var(--brand-100); justify-self: center; }
.tl-content { padding: 0 0 40px 24px; }
.tl-content h4 { font-size: 17px; margin-bottom: 6px; }
.tl-content p { font-size: 14.5px; color: var(--muted); margin: 0; }
.timeline .tl-row:last-child .tl-time, .timeline .tl-row:last-child .tl-content { padding-bottom: 0; }
.timeline .tl-row:last-child .tl-axis::before { display: none; }

/* ---------- 步骤流程 ---------- */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.step { position: relative; padding: 26px 22px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); }
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  font-family: var(--font-display); font-weight: 800; font-size: 26px; color: var(--brand-200);
  display: block; margin-bottom: 12px;
}
.step h4 { font-size: 16px; margin-bottom: 7px; }
.step p { font-size: 13.5px; color: var(--muted); margin: 0; }

/* ---------- 功能详情（图文交替） ---------- */
.feature-row { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.feature-row.reverse .feature-media { order: 2; }
.feature-media { border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); background: var(--dark-2); }
.feature-media img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.feature-text h2 { font-size: clamp(24px, 3vw, 32px); margin-bottom: 16px; }
.feature-text .lead { font-size: 16.5px; color: var(--muted); }
.feature-list { list-style: none; padding: 0; margin: 20px 0 0; }
.feature-list li { display: flex; gap: 12px; padding: 9px 0; font-size: 15px; color: var(--body); }
.feature-list .svgicon { flex: none; width: 20px; height: 20px; margin-top: 3px; color: var(--leaf); }

/* ---------- CTA 大带 ---------- */
.cta-band { background: linear-gradient(120deg, var(--brand-600), var(--brand-500)); color: #fff; border-radius: var(--r-lg); padding: 56px 60px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.cta-band h2 { color: #fff; font-size: clamp(24px, 3vw, 32px); margin-bottom: 10px; }
.cta-band p { color: rgba(255,255,255,.88); margin: 0; font-size: 16px; }
.cta-band .btn { background: #fff; color: var(--brand-700); flex: none; }
.cta-band .btn:hover { background: var(--cream); color: var(--brand-800); }

/* ---------- 标签 / 徽章 ---------- */
.tag { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; font-weight: 600; padding: 4px 11px; border-radius: 100px; background: var(--brand-50); color: var(--brand-700); }
.tag-gold { background: #fdf3d6; color: var(--gold-deep); }
.tag-leaf { background: #e8f2e4; color: var(--leaf-deep); }
.tag-muted { background: #efece4; color: var(--muted); }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--dark); color: var(--dark-muted); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.footer-brand img { width: 44px; height: 44px; margin-bottom: 16px; }
.footer-brand .brand-name { color: #fff; }
.footer-brand p { font-size: 14px; line-height: 1.8; max-width: 300px; }
.footer-col h4 { color: #fff; font-size: 15px; margin-bottom: 18px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 11px; }
.footer-col a { color: var(--dark-muted); font-size: 14px; }
.footer-col a:hover { color: var(--brand-300); }
.footer-social { display: flex; gap: 10px; margin-top: 18px; }
.footer-social a { width: 38px; height: 38px; border-radius: var(--r-sm); border: 1px solid var(--dark-line); display: flex; align-items: center; justify-content: center; color: var(--dark-muted); }
.footer-social a:hover { color: var(--brand-300); border-color: var(--brand-500); }
.footer-social .svgicon { width: 18px; height: 18px; }
.footer-bottom { border-top: 1px solid var(--dark-line); padding: 22px 0; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px; font-size: 13px; }
.footer-bottom a { color: var(--dark-muted); }
.footer-bottom a:hover { color: var(--brand-300); }
.footer-disclaimer { font-size: 12.5px; color: #6f6756; }

/* ---------- 工具类 ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; } .mt-2 { margin-top: 24px; } .mt-3 { margin-top: 36px; } .mt-4 { margin-top: 48px; }
.mb-0 { margin-bottom: 0; }
.muted { color: var(--muted); }
.flex { display: flex; } .items-center { align-items: center; } .gap-2 { gap: 16px; } .flex-wrap { flex-wrap: wrap; }
.hide { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.svgicon { width: 20px; height: 20px; }

/* ============================================================
   响应式适配
   ============================================================ */
@media (max-width: 1000px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; padding: 64px 0 72px; }
  .hero-shot { max-width: 560px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 36px 24px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .feature-row { grid-template-columns: 1fr; gap: 32px; }
  .feature-row.reverse .feature-media { order: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .cta-band { flex-direction: column; text-align: center; padding: 44px 36px; }
  .section { padding: 68px 0; }
}

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute; top: var(--nav-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 2px;
    background: var(--surface); border-bottom: 1px solid var(--line);
    padding: 12px 20px 20px; display: none;
    box-shadow: 0 20px 30px -20px rgba(0,0,0,.3);
  }
  .site-header.menu-open .nav-links { display: flex; }
  .nav-links a { padding: 13px 14px; font-size: 16px; }
  .nav-cta .btn-outline { display: none; }
  .adv { grid-template-columns: 1fr; }
  .adv-item { border-right: none !important; }
  .adv-item:nth-last-child(2) { border-bottom: 1px solid var(--line-soft); }
  .timeline { grid-template-columns: 104px 24px 1fr; }
}

@media (max-width: 640px) {
  .container { padding: 0 18px; }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .qr-grid { grid-template-columns: 1fr; }
  .modal-channels { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-actions .btn, .hero-actions .btn ~ .btn { width: 100%; }
  .hero-actions { width: 100%; }
  .hero-meta { gap: 22px; }
  .trustbar-items { gap: 16px; }
  .card, .platform-card { padding: 24px; }
  .game-row { flex-wrap: wrap; gap: 12px; }
  .game-row .rating { order: 3; }
  .timeline { grid-template-columns: 1fr; }
  .tl-time { text-align: left; padding: 0 0 6px; }
  .tl-axis { display: none; }
  .tl-content { padding: 0 0 28px; }
  .section-head { margin-bottom: 38px; }
  .modal { max-height: 92vh; }
  .modal-head, .modal-body { padding-left: 22px; padding-right: 22px; }
}

/* 尊重减弱动效偏好 */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}