/* HALO Trade Copier — halocopier.com
 * 亮色「米白金」主题：配色与 Windows 桌面伴侣（renderer 亮色体系）保持一致——
 *   米白 #FFFDF4 · 象牙 #FDF6D8 · 金 #D4AF37 · 深金文字 #8A6D1F · 强金边 #D9C77E · 正文暖褐 #6B6350
 * 双语静态站：英文在根目录，中文在 /zh/；无构建步骤，整目录上传即部署。
 */

:root {
  --radius: 16px;
  --radius-sm: 12px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Roboto, sans-serif;
  --serif: Georgia, "Times New Roman", "Songti SC", "SimSun", serif;
  --mono: ui-monospace, Menlo, Consolas, "Courier New", monospace;

  --bg: #FFFDF4;
  --card: #FFFFFF;
  --card-2: #FDF6D8;          /* 象牙 */
  --line: #EFE5C2;            /* 淡金边 */
  --line-strong: #D9C77E;     /* 强金边 */
  --text: #6B6350;            /* 正文暖褐 */
  --ink: #423A2A;             /* 深褐（强调文字） */
  --muted: #A69B7E;
  --gold: #D4AF37;
  --gold-bright: #E3C55A;
  --gold-deep: #8A6D1F;       /* 深金文字 */
  --gold-dim: #C29E2E;
  --green: #16A34A;
  --red: #DC2626;

  --foot-bg: #221A0A;
  --foot-text: #E9DBA9;
  --foot-muted: #B4A374;
  --foot-line: rgba(212, 175, 55, 0.30);

  --shadow-sm: 0 4px 14px rgba(138, 109, 31, 0.07);
  --shadow: 0 12px 34px rgba(138, 109, 31, 0.10), 0 2px 8px rgba(138, 109, 31, 0.06);
}

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

html { color-scheme: light; scroll-behavior: smooth; }

body {
  background:
    radial-gradient(1100px 460px at 50% -200px, rgba(212, 175, 55, 0.12), transparent 70%),
    var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--gold-deep); text-decoration: none; }
a:hover { text-decoration: underline; text-decoration-color: rgba(212, 175, 55, 0.55); }

/* ── 页头（sticky，米白磨砂 + 金底线） ── */
.site-head {
  position: sticky; top: 0; z-index: 30;
  background: rgba(255, 253, 244, 0.90);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-head-in {
  max-width: 1080px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  gap: 8px 20px; flex-wrap: wrap;
  padding: 13px 24px;
}
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand:hover { text-decoration: none; }
.brand svg { width: 36px; height: 36px; display: block; flex: 0 0 auto; }
.brand-name {
  font-family: var(--serif); font-size: 19px; font-weight: 700;
  letter-spacing: .3px; white-space: nowrap; color: var(--gold-deep);
}
.site-nav { display: flex; align-items: center; flex-wrap: wrap; gap: 2px 18px; }
.site-nav > a { font-size: 14px; color: var(--text); }
.site-nav > a:hover { color: var(--gold-deep); text-decoration: none; }
.site-nav > a.here { color: var(--gold-deep); font-weight: 700; }

/* 语言切换胶囊 */
.lang-switch {
  display: inline-flex; align-items: stretch; overflow: hidden;
  border: 1px solid var(--line-strong); border-radius: 999px;
  background: var(--card); margin-left: 4px;
  font-size: 12.5px; font-weight: 700; line-height: 1;
}
.lang-switch a, .lang-switch .on {
  display: inline-flex; align-items: center; padding: 6px 13px;
  letter-spacing: .4px;
}
.lang-switch .on {
  background: linear-gradient(145deg, var(--gold-bright), var(--gold-dim));
  color: #3A2C08;
}
.lang-switch a { color: var(--gold-deep); }
.lang-switch a:hover { background: var(--card-2); text-decoration: none; }

/* ── 容器 ── */
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.wrap.narrow { max-width: 880px; }

/* ── 首页 Hero ── */
.hero { position: relative; text-align: center; padding: 70px 24px 34px; overflow: hidden; }
.hero::before { /* 金色同心圆环纹 */
  content: ""; position: absolute; left: 50%; top: -170px; transform: translateX(-50%);
  width: 820px; height: 820px; border-radius: 50%;
  background: repeating-radial-gradient(circle, rgba(212, 175, 55, 0.17) 0 1px, transparent 1px 76px);
  -webkit-mask-image: radial-gradient(circle, #000 0 60%, transparent 71%);
  mask-image: radial-gradient(circle, #000 0 60%, transparent 71%);
  pointer-events: none;
}
.hero > * { position: relative; }
.hero-logo { display: flex; justify-content: center; margin-bottom: 18px; }
.hero-logo svg { width: 92px; height: 92px; filter: drop-shadow(0 6px 16px rgba(138, 109, 31, 0.18)); }

.hero h1 {
  font-family: var(--serif); font-weight: 700;
  font-size: clamp(34px, 5.6vw, 54px);
  letter-spacing: .5px; line-height: 1.14; margin-bottom: 12px;
  color: var(--gold-deep);
}
@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .hero h1 {
    background: linear-gradient(180deg, #B78F1E 0%, #D4AF37 52%, #96751F 100%);
    -webkit-background-clip: text; background-clip: text; color: transparent;
  }
}
.hero .tagline {
  font-family: var(--serif); font-size: clamp(17px, 2.4vw, 21px);
  color: var(--gold-deep); margin-bottom: 10px;
}
.hero .sub {
  font-size: 15px; color: var(--text);
  max-width: 620px; margin: 0 auto 24px;
}
.hero-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-bottom: 22px; }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-size: 15px; font-weight: 700;
  padding: 12px 22px; border-radius: 12px; border: 1px solid var(--line-strong);
  color: var(--gold-deep); background: var(--card); cursor: pointer;
  transition: transform .12s, box-shadow .16s, border-color .16s, background .16s, filter .16s;
}
.btn:hover { text-decoration: none; border-color: var(--gold); transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.btn .ico { width: 17px; height: 17px; flex: 0 0 auto; }
.btn.primary {
  background: linear-gradient(145deg, var(--gold-bright) 0%, var(--gold) 45%, var(--gold-dim) 100%);
  border-color: rgba(138, 109, 31, 0.38); color: #3A2C08;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55), 0 8px 20px rgba(194, 158, 46, 0.32);
}
.btn.primary:hover {
  filter: brightness(1.05);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55), 0 11px 26px rgba(194, 158, 46, 0.44);
}
.btn.small { padding: 9px 16px; font-size: 14px; border-radius: 10px; }

/* hero 下方卖点 pill 行 */
.pills { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; }
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid var(--line-strong); border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  padding: 5px 15px; font-size: 13px; color: var(--gold-deep); font-weight: 600;
}
.pill::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--gold); flex: 0 0 auto; }

/* ── 区块 ── */
.section { padding: 30px 0; }
.sec-head { text-align: center; margin-bottom: 28px; }
.sec-head h2 {
  font-family: var(--serif); font-weight: 700; letter-spacing: .4px;
  font-size: clamp(23px, 3.2vw, 31px); color: var(--gold-deep);
}
.sec-head .rule {
  width: 170px; height: 2px; margin: 13px auto 0; border-radius: 2px;
  background: linear-gradient(90deg, transparent, var(--gold) 30%, var(--gold-bright) 50%, var(--gold) 70%, transparent);
}
.sec-head p { color: var(--muted); font-size: 14.5px; margin-top: 11px; }

/* 特性网格：3 → 2 → 1 列 */
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.feat {
  position: relative;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 20px 18px;
  transition: border-color .16s, box-shadow .16s, transform .16s;
}
.feat::before {
  content: ""; position: absolute; top: -1px; left: 20px; width: 46px; height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
}
.feat:hover { border-color: var(--line-strong); box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.feat .num { font-family: var(--serif); font-size: 14px; font-weight: 700; color: var(--gold); letter-spacing: 2.5px; }
.feat h3 { font-size: 16px; font-weight: 700; color: var(--ink); margin: 7px 0 6px; }
.feat p { font-size: 13.8px; color: var(--muted); line-height: 1.68; }

/* 隐私声明条（象牙卡片） */
.band {
  background: linear-gradient(180deg, transparent, #FBF5E0 26%, #FBF5E0 74%, transparent);
  padding: 34px 0;
}
.privacy-card {
  background: linear-gradient(180deg, #FFFEF9, var(--card-2));
  border: 1px solid var(--line-strong); border-radius: var(--radius);
  padding: 30px 30px 26px; box-shadow: var(--shadow-sm);
}
.privacy-card h2 {
  font-family: var(--serif); font-size: 22px; font-weight: 700;
  color: var(--gold-deep); margin-bottom: 14px; text-align: center;
}
.privacy-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; list-style: none; }
.privacy-list li {
  display: flex; gap: 10px; align-items: flex-start;
  font-size: 13.8px; color: var(--text);
}
.privacy-list .tick {
  flex: 0 0 auto; width: 20px; height: 20px; margin-top: 2px;
  border-radius: 50%; border: 1.4px solid var(--gold);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--gold-deep); font-size: 12px; font-weight: 700;
}

/* ── 下载区 ── */
.dl-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 16px; align-items: stretch; }
.dl-card {
  position: relative;
  background: linear-gradient(180deg, #FFFFFF, #FFFDF4);
  border: 1px solid var(--line-strong); border-radius: var(--radius);
  padding: 28px 28px 24px; box-shadow: var(--shadow);
}
.dl-card::before {
  content: ""; position: absolute; top: -1px; left: 26px; right: 26px; height: 3px; border-radius: 0 0 3px 3px;
  background: linear-gradient(90deg, transparent, var(--gold) 25%, var(--gold-bright) 50%, var(--gold) 75%, transparent);
}
.dl-card h3 {
  font-family: var(--serif); font-size: 21px; font-weight: 700; color: var(--gold-deep);
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 8px;
}
.dl-card .desc { font-size: 14px; color: var(--text); margin-bottom: 16px; }
.badge {
  display: inline-flex; align-items: center;
  border: 1px solid var(--line-strong); border-radius: 999px;
  background: var(--card-2); color: var(--gold-deep);
  font-size: 12px; font-weight: 700; letter-spacing: .4px; padding: 3px 11px;
}
.dl-meta {
  display: flex; flex-wrap: wrap; gap: 4px 10px; align-items: center;
  font-size: 13px; color: var(--muted); margin-bottom: 18px;
}
.dl-meta .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--line-strong); }
.dl-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 14px; }
.sha {
  font-family: var(--mono); font-size: 10.5px; line-height: 1.6;
  color: var(--muted); word-break: break-all;
  border-top: 1px dashed var(--line); padding-top: 12px; margin-top: 4px;
}
.sha b { color: var(--text); font-weight: 600; }
.dl-note { font-size: 12.5px; color: var(--muted); margin-top: 10px; }
.dl-note a { color: var(--gold-deep); }

/* ── 法律/信息页排版 ── */
.legal-wrap { padding: 30px 0 10px; }
.legal {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 36px 38px 32px; box-shadow: var(--shadow-sm);
}
.legal h1 {
  font-family: var(--serif); font-weight: 700; letter-spacing: .3px;
  font-size: clamp(26px, 3.6vw, 33px); color: var(--gold-deep); margin-bottom: 6px;
}
.legal .meta { font-size: 13px; color: var(--muted); margin-bottom: 16px; }
.legal h2 {
  font-family: var(--serif); font-size: 19px; font-weight: 700; color: var(--ink);
  letter-spacing: .2px; margin: 26px 0 8px; padding-top: 18px;
  border-top: 1px solid var(--line);
}
.legal h2:first-of-type { border-top: none; padding-top: 0; margin-top: 16px; }
.legal h3 { font-size: 15.5px; font-weight: 700; color: var(--ink); margin: 16px 0 4px; }
.legal p, .legal li { font-size: 14.5px; color: var(--text); }
.legal p { margin-bottom: 8px; }
.legal ul { margin: 4px 0 10px; padding-left: 22px; }
.legal li { margin-bottom: 5px; }
.legal strong { color: var(--ink); }
.legal .note {
  background: var(--card-2);
  border: 1px solid var(--line-strong); border-left: 3px solid var(--gold);
  border-radius: var(--radius-sm); padding: 12px 16px; margin: 14px 0;
}
.legal .note p { margin-bottom: 0; color: var(--ink); }
.legal code {
  font-family: var(--mono); font-size: 13px;
  background: var(--card-2); border: 1px solid var(--line);
  border-radius: 6px; padding: 1px 6px;
}
.legal .contact-line { margin-top: 6px; font-size: 15px; }

/* ── 页脚（深金褐 + 金色文字） ── */
.site-foot { margin-top: 44px; background: var(--foot-bg); color: var(--foot-muted); }
.site-foot::before {
  content: ""; display: block; height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold) 28%, var(--gold-bright) 50%, var(--gold) 72%, transparent);
}
.site-foot-in { max-width: 1080px; margin: 0 auto; padding: 32px 24px 38px; text-align: center; }
.foot-brand {
  display: inline-flex; align-items: center; gap: 9px; margin-bottom: 14px;
}
.foot-brand svg { width: 26px; height: 26px; }
.foot-brand span { font-family: var(--serif); font-size: 16px; font-weight: 700; color: var(--foot-text); letter-spacing: .3px; }
.foot-links { display: flex; justify-content: center; flex-wrap: wrap; gap: 6px 22px; margin-bottom: 12px; }
.foot-links a { color: var(--foot-text); font-size: 13.5px; }
.foot-links a:hover { color: var(--gold-bright); text-decoration: none; }
.foot-contact { font-size: 13px; margin-bottom: 12px; }
.foot-contact a { color: var(--gold-bright); }
.foot-risk {
  font-size: 12px; max-width: 660px; margin: 0 auto 12px;
  padding-top: 12px; border-top: 1px solid var(--foot-line); opacity: .85;
}
.foot-copy { font-size: 12px; opacity: .7; }

/* ── 响应式 ── */
@media (max-width: 980px) {
  .feat-grid { grid-template-columns: 1fr 1fr; }
  .privacy-list { grid-template-columns: 1fr; }
  .dl-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .site-head-in { padding: 12px 18px; gap: 6px 14px; }
  .site-nav { gap: 2px 13px; }
  .site-nav > a { font-size: 13.5px; }
  .wrap { padding: 0 18px; }
  .hero { padding: 46px 18px 26px; }
  .hero-actions .btn { width: 100%; }
  .feat-grid { grid-template-columns: 1fr; }
  .legal { padding: 24px 20px 22px; }
  .dl-card { padding: 22px 20px 20px; }
}

/* 中文页排版微调（宋体标题字距） */
html[lang="zh-CN"] .hero h1 { letter-spacing: 3px; }
html[lang="zh-CN"] .sec-head h2,
html[lang="zh-CN"] .legal h1 { letter-spacing: 2px; }