/* ============================================================
   币观 CoinView · 设计系统 v2 (深色工具站 + 数据感)
   ============================================================ */

:root {
  /* — 色彩系统 — */
  --c-ink: #050912;            /* 极深背景 */
  --c-ink-2: #0B1220;          /* hero / nav 深底 */
  --c-ink-3: #131B2E;          /* card 深底 */
  --c-ink-4: #1E2940;          /* card hover */

  --c-text: #0F172A;           /* 浅底主文字 */
  --c-text-2: #334155;
  --c-muted: #64748B;
  --c-faint: #94A3B8;
  --c-line: #E2E8F0;
  --c-line-2: #CBD5E1;
  --c-line-dark: rgba(255,255,255,0.08);
  --c-line-dark-2: rgba(255,255,255,0.14);

  --c-bg: #FAFBFD;
  --c-bg-2: #F1F5F9;
  --c-card: #FFFFFF;

  --c-accent: #22D3EE;         /* cyan 明亮版 */
  --c-accent-2: #06B6D4;
  --c-accent-soft: #ECFEFF;
  --c-glow: #818CF8;           /* 紫蓝辅助 */
  --c-up: #10B981;
  --c-up-glow: rgba(16,185,129,0.35);
  --c-down: #F43F5E;
  --c-down-glow: rgba(244,63,94,0.35);
  --c-warn: #F59E0B;
  --c-warn-glow: rgba(245,158,11,0.35);
  --c-highlight: #FDE68A;

  /* — 阴影系统 — */
  --sh-xs: 0 1px 2px rgba(11,18,32,0.04);
  --sh-sm: 0 2px 8px rgba(11,18,32,0.06), 0 1px 3px rgba(11,18,32,0.04);
  --sh-md: 0 10px 28px rgba(11,18,32,0.10), 0 3px 8px rgba(11,18,32,0.05);
  --sh-lg: 0 28px 60px rgba(11,18,32,0.14), 0 10px 24px rgba(11,18,32,0.08);
  --sh-glow-cyan: 0 0 32px rgba(34,211,238,0.35);
  --sh-glow-up: 0 0 28px rgba(16,185,129,0.30);
  --sh-glow-down: 0 0 28px rgba(244,63,94,0.30);
  --sh-card-dark: 0 24px 48px rgba(0,0,0,0.40), 0 6px 14px rgba(0,0,0,0.30);

  /* — 字号 — */
  --fs-2xs: 11px;
  --fs-xs: 12px;
  --fs-sm: 14px;
  --fs-base: 16px;
  --fs-lg: 18px;
  --fs-xl: 22px;
  --fs-2xl: 28px;
  --fs-3xl: 36px;
  --fs-4xl: 48px;
  --fs-5xl: 64px;

  /* — 间距 — */
  --sp-1: 4px; --sp-2: 8px; --sp-3: 12px; --sp-4: 16px;
  --sp-5: 24px; --sp-6: 32px; --sp-8: 48px; --sp-10: 64px; --sp-12: 96px;

  /* — 圆角 — */
  --r-sm: 6px; --r-md: 10px; --r-lg: 14px; --r-xl: 22px; --r-full: 9999px;

  /* — 字体 — */
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
               "Noto Sans SC", system-ui, "Helvetica Neue", Arial, sans-serif;
  --font-num: "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;

  --max-w: 1200px;
  --max-w-article: 760px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: 1.7;
  color: var(--c-text);
  background: var(--c-bg);
  font-feature-settings: 'tnum' 1, 'ss01' 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--c-accent-2); text-decoration: none; transition: color .15s var(--ease); }
a:hover { color: var(--c-text); text-decoration: underline; text-underline-offset: 3px; }

h1, h2, h3, h4 { color: var(--c-text); font-weight: 700; line-height: 1.3; letter-spacing: -0.01em; }
h1 { font-size: var(--fs-4xl); margin: 0 0 var(--sp-5); }
h2 { font-size: var(--fs-2xl); margin: var(--sp-8) 0 var(--sp-4); }
h3 { font-size: var(--fs-xl); margin: var(--sp-6) 0 var(--sp-3); }
h4 { font-size: var(--fs-lg); margin: var(--sp-5) 0 var(--sp-2); }
p { margin: 0 0 var(--sp-4); }
strong { color: var(--c-text); font-weight: 600; }

code {
  font-family: var(--font-num); font-size: 0.92em;
  background: var(--c-bg-2); padding: 2px 6px; border-radius: var(--r-sm);
  color: var(--c-text-2);
}
hr { border: none; border-top: 1px solid var(--c-line); margin: var(--sp-6) 0; }
img, svg { max-width: 100%; height: auto; display: block; }

.wrap { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--sp-5); }
.wrap-article { max-width: var(--max-w-article); margin: 0 auto; padding: 0 var(--sp-5); }

/* ===== Ticker 顶部数据条 ===== */
.ticker {
  background: var(--c-ink); color: rgba(255,255,255,0.78);
  border-bottom: 1px solid var(--c-line-dark);
  font-size: var(--fs-xs); font-family: var(--font-num);
  overflow: hidden; position: relative;
}
.ticker-inner {
  display: flex; gap: var(--sp-6); align-items: center; height: 32px;
  padding: 0 var(--sp-5); white-space: nowrap;
  animation: ticker-scroll 60s linear infinite;
}
.ticker-item { display: inline-flex; gap: 8px; align-items: center; }
.ticker-item .lbl { color: rgba(255,255,255,0.5); }
.ticker-item .val { color: #fff; font-weight: 600; }
.ticker-item .chg.up { color: var(--c-up); }
.ticker-item .chg.down { color: var(--c-down); }
.ticker-item .dot { width: 6px; height: 6px; border-radius: 50%; }
.ticker-item .dot.up { background: var(--c-up); box-shadow: var(--sh-glow-up); animation: dot-pulse 2s ease-in-out infinite; }
.ticker-item .dot.down { background: var(--c-down); box-shadow: var(--sh-glow-down); animation: dot-pulse 2s ease-in-out infinite; }
@keyframes ticker-scroll { from { transform: translateX(0);} to { transform: translateX(-50%);} }
@keyframes dot-pulse { 0%,100% { transform: scale(1); opacity: 1;} 50% { transform: scale(1.4); opacity: .6;} }

/* ===== Nav ===== */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11,18,32,0.92);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--c-line-dark);
  color: #fff;
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: var(--max-w); margin: 0 auto; padding: var(--sp-3) var(--sp-5);
  min-height: 60px; gap: var(--sp-4);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: #fff; font-size: var(--fs-lg); }
/* === Logo: inline SVG + glow + hover 涟漪 === */
.brand-mark {
  width: 40px; height: 40px;
  display: inline-block; flex-shrink: 0;
  border-radius: 11px;
  box-shadow:
    0 0 0 1px rgba(103,232,249,0.35) inset,
    0 0 20px rgba(34,211,238,0.50),
    0 0 44px rgba(34,211,238,0.22),
    0 8px 22px rgba(0,0,0,0.45);
  transition: all .25s cubic-bezier(.22,.61,.36,1);
}
.brand:hover .brand-mark {
  box-shadow:
    0 0 0 1px rgba(103,232,249,0.55) inset,
    0 0 28px rgba(34,211,238,0.80),
    0 0 72px rgba(34,211,238,0.45),
    0 12px 28px rgba(0,0,0,0.5);
  transform: scale(1.06) rotate(-2deg);
}
.brand-sub { font-weight: 400; color: rgba(255,255,255,0.55); font-size: var(--fs-sm); margin-left: 6px;}
.brand-sub { font-weight: 400; color: rgba(255,255,255,0.55); font-size: var(--fs-sm); margin-left: 4px; }
.nav-links { display: flex; gap: var(--sp-5); align-items: center; font-size: var(--fs-sm); }
.nav-links a { color: rgba(255,255,255,0.82); font-weight: 500; }
.nav-links a:hover { color: var(--c-accent); text-decoration: none; }
.nav-cta {
  background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-glow) 100%);
  color: var(--c-ink) !important;
  padding: 9px 16px; border-radius: var(--r-full);
  font-weight: 700; font-size: var(--fs-sm);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.1) inset, 0 6px 16px rgba(34,211,238,0.3);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 0 0 1px rgba(255,255,255,0.1) inset, 0 10px 24px rgba(34,211,238,0.45); color: var(--c-ink) !important; text-decoration: none;}
.nav-toggle { display: none; background: none; border: 0; font-size: 22px; cursor: pointer; color: #fff; padding: 6px 8px; min-width: 44px; min-height: 44px; }

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .nav-links { display: none; position: absolute; top: 60px; left: 0; right: 0;
    background: var(--c-ink-2); flex-direction: column; padding: var(--sp-3) var(--sp-5);
    border-bottom: 1px solid var(--c-line-dark); gap: var(--sp-3); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 10px 0; color: #fff; }
}

/* ===== Hero 深色仪表盘风(未来科技感) ===== */
.hero {
  position: relative;
  background:
    linear-gradient(180deg, #050912 0%, #0B1220 50%, #131B2E 100%);
  color: #fff;
  padding: 48px 0 32px; /* 缩 hero 高度,让 ribbon 进入首屏 */
  overflow: hidden;
  border-bottom: 1px solid var(--c-line-dark);
}
/* 层 1: bg 图 */
.hero::before {
  content: ''; position: absolute; inset: 0;
  background-image: url('/assets/images/og-hero-bg.webp');
  background-size: cover; background-position: center;
  opacity: 0.45; mix-blend-mode: screen;
}
/* 层 2: 网格 + 光晕 + 扫描线 */
.hero::after {
  content: ''; position: absolute; inset: 0;
  background:
    /* 细 grid 网格 (未来感) */
    linear-gradient(rgba(34,211,238,0.04) 1px, transparent 1px) 0 0 / 60px 60px,
    linear-gradient(90deg, rgba(34,211,238,0.04) 1px, transparent 1px) 0 0 / 60px 60px,
    /* 大色块光晕 */
    radial-gradient(1000px 600px at 75% 25%, rgba(34,211,238,0.22), transparent 60%),
    radial-gradient(700px 400px at 12% 75%, rgba(129,140,248,0.18), transparent 60%),
    /* vignette */
    radial-gradient(120% 80% at 50% 110%, rgba(5,9,18,0.7), transparent 70%);
  pointer-events: none;
}
/* hero 顶部底部精细分割线(neon) */
.hero {
  box-shadow:
    inset 0 1px 0 rgba(34,211,238,0.15),
    inset 0 -1px 0 rgba(34,211,238,0.12);
}

/* ===== BTC 减半倒计时 Hero 组件 ===== */
.halving-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: var(--fs-xs); letter-spacing: 2.5px; text-transform: uppercase;
  color: #FCD535; font-weight: 800;
  padding: 8px 16px; border-radius: var(--r-full);
  background: rgba(252,213,53,0.08);
  border: 1px solid rgba(252,213,53,0.35);
  margin-bottom: var(--sp-4); /* 缩紧 */
  box-shadow: 0 0 24px rgba(252,213,53,0.15);
}
.halving-eyebrow-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #FCD535;
  box-shadow: 0 0 12px #FCD535, 0 0 4px #FCD535;
  animation: dot-pulse 2s ease-in-out infinite;
}
.halving-headline {
  font-size: clamp(20px, 2.2vw, 28px); font-weight: 600;
  color: rgba(255,255,255,0.85);
  margin: 0 0 var(--sp-4);
  letter-spacing: -0.01em;
}
.halving-big-row {
  display: flex; align-items: baseline; gap: var(--sp-5);
  margin-bottom: var(--sp-4); /* 缩紧 */
  flex-wrap: wrap;
}
.halving-big-num {
  font-family: var(--font-num); font-weight: 900;
  font-size: clamp(64px, 9vw, 116px); /* 略缩,留空给 ribbon 进入首屏 */
  line-height: 0.9;
  letter-spacing: -0.06em;
  background: linear-gradient(180deg, #FEF3C7 0%, #FCD535 35%, #F0B90B 75%, #b88a06 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
  filter: drop-shadow(0 6px 24px rgba(252,213,53,0.35));
}
.halving-big-unit {
  display: inline-block;
  font-size: clamp(20px, 2.4vw, 32px);
  color: rgba(255,255,255,0.7);
  font-weight: 600;
  margin-left: 8px;
  -webkit-text-fill-color: rgba(255,255,255,0.7);
  background: none; filter: none;
}
.halving-hms-stack { display: flex; flex-direction: column; gap: 4px; padding-bottom: 6px;}
.halving-hms {
  font-family: var(--font-num); font-weight: 800;
  font-size: clamp(22px, 2.6vw, 32px);
  color: #fff; letter-spacing: 0.05em;
  font-variant-numeric: tabular-nums;
}
.halving-hms-label {
  font-size: var(--fs-xs); color: rgba(255,255,255,0.45);
  letter-spacing: 1.5px; text-transform: uppercase;
}
.halving-progress-wrap { margin-bottom: var(--sp-3); }
.halving-progress-meta {
  display: flex; justify-content: space-between; align-items: center;
  font-size: var(--fs-sm); color: rgba(255,255,255,0.7);
  margin-bottom: 8px; flex-wrap: wrap; gap: 8px;
}
.halving-progress-meta strong {
  color: #FCD535; font-weight: 800; font-family: var(--font-num);
}
.halving-dates {
  font-family: var(--font-num); font-size: var(--fs-xs);
  color: rgba(255,255,255,0.45); letter-spacing: 0.5px;
}
.halving-progress-bar {
  position: relative; height: 12px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 999px; overflow: hidden;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.4);
}
.halving-progress-fill {
  position: absolute; top:0; bottom: 0; left: 0;
  width: 0;
  background: linear-gradient(90deg, #34D399 0%, #FCD535 50%, #F43F5E 100%);
  border-radius: 999px;
  box-shadow: 0 0 16px rgba(252,213,53,0.5);
  transition: width 1s ease;
}
.halving-progress-marker {
  position: absolute; top: -3px;
  width: 3px; height: 18px;
  background: #fff; border-radius: 2px;
  box-shadow: 0 0 12px #fff, 0 0 4px #fff;
  transform: translateX(-50%);
  transition: left 1s ease;
}
.halving-explain {
  color: rgba(255,255,255,0.78); font-size: var(--fs-base);
  margin-bottom: var(--sp-4); line-height: 1.6;
}
.halving-explain strong { color: #FCD535; font-weight: 700;}
.halving-explain a { color: var(--c-accent); font-weight: 600;}

@media (max-width: 720px) {
  .halving-big-row { gap: var(--sp-3); }
  .halving-hms-stack { padding-bottom: 2px;}
  .halving-big-unit { font-size: 22px;}
}

/* ===== Nav 升级 · Mega Menu Dropdown ===== */
.nav-links {
  font-size: var(--fs-base);
  gap: var(--sp-5);
}
.nav-item { position: relative; }
.nav-item > a {
  color: rgba(255,255,255,0.85);
  font-weight: 600; letter-spacing: 0.5px;
  padding: 18px 4px; display: inline-flex; align-items: center; gap: 4px;
  position: relative;
  transition: color .2s var(--ease);
}
.dd-caret { font-size: 11px; opacity: 0.6; transition: transform .2s var(--ease);}
.nav-item:hover > a { color: var(--c-accent); }
.nav-item:hover .dd-caret { transform: rotate(180deg); opacity: 1; color: var(--c-accent);}
.nav-item > a::after {
  content: ''; position: absolute; bottom: 12px; left: 4px; right: 18px;
  height: 2px;
  background: linear-gradient(90deg, var(--c-accent), var(--c-glow));
  transform: scaleX(0); transform-origin: left;
  transition: transform .25s var(--ease);
  box-shadow: 0 0 8px var(--c-accent);
}
.nav-item:hover > a::after { transform: scaleX(1); }

/* Dropdown 主体 */
.dropdown {
  position: absolute; top: calc(100% - 4px); left: 0;
  min-width: 260px;
  display: none;
  background: linear-gradient(135deg, rgba(11,18,32,0.98) 0%, rgba(19,27,46,0.98) 100%);
  border: 1px solid rgba(34,211,238,0.25);
  border-radius: var(--r-lg);
  padding: var(--sp-4);
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.04) inset,
    0 24px 60px rgba(0,0,0,0.55),
    0 8px 24px rgba(0,0,0,0.35),
    0 0 40px rgba(34,211,238,0.15);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  z-index: 100;
  animation: dropdownFade .2s var(--ease);
}
.dropdown-wide { min-width: 580px; display: none; grid-template-columns: repeat(3, 1fr); gap: var(--sp-4);}
.nav-item:hover .dropdown { display: block; }
.nav-item:hover .dropdown-wide { display: grid; }

@keyframes dropdownFade {
  from { opacity: 0; transform: translateY(-6px);}
  to   { opacity: 1; transform: translateY(0);}
}

/* 下拉 section */
.dropdown-section { padding: 0;}
.dropdown-section + .dropdown-section { margin-top: var(--sp-3); padding-top: var(--sp-3); border-top: 1px solid rgba(255,255,255,0.06);}
.dropdown-wide .dropdown-section + .dropdown-section { margin-top: 0; padding-top: 0; border-top: 0;}
.dropdown-title {
  font-size: 11px; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--c-accent); margin-bottom: 8px;
  padding: 0 8px;
}
.dropdown a {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; font-size: var(--fs-sm); font-weight: 500;
  color: rgba(255,255,255,0.82);
  border-radius: var(--r-sm);
  letter-spacing: 0; line-height: 1.4;
  transition: all .15s var(--ease);
}
.dropdown a:hover {
  background: rgba(34,211,238,0.12);
  color: #fff;
  text-decoration: none;
}
.dropdown a .dd-num {
  font-family: var(--font-num); font-weight: 700;
  color: var(--c-accent); font-size: 11px;
  min-width: 22px;
}

/* dropdown 不要让 nav 触发下划线 in dropdown item */
.dropdown a::after { display: none; }
.nav-cta {
  padding: 10px 22px !important;
  font-weight: 700 !important;
  letter-spacing: 0.5px;
  background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-glow) 100%) !important;
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.18) inset,
    0 6px 18px rgba(34,211,238,0.4),
    0 0 24px rgba(34,211,238,0.25) !important;
}
.nav-cta:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.28) inset,
    0 10px 24px rgba(34,211,238,0.55),
    0 0 32px rgba(34,211,238,0.4) !important;
}
.hero > * { position: relative; z-index: 2; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: var(--fs-xs); letter-spacing: 2px; text-transform: uppercase;
  color: var(--c-accent); font-weight: 700;
  padding: 6px 14px; border-radius: var(--r-full);
  background: rgba(34,211,238,0.10); border: 1px solid rgba(34,211,238,0.25);
  margin-bottom: var(--sp-5);
}
.hero-eyebrow::before {
  content: ''; width: 8px; height: 8px; border-radius: 50%;
  background: var(--c-accent); box-shadow: 0 0 12px var(--c-accent);
  animation: dot-pulse 2s ease-in-out infinite;
}
.hero h1 {
  font-size: clamp(34px, 5.4vw, 64px); color: #fff;
  margin: 0 0 var(--sp-4); line-height: 1.15;
  letter-spacing: -0.025em;
}
.hero h1 .gradient {
  background: linear-gradient(120deg, var(--c-accent) 0%, var(--c-glow) 60%, var(--c-up) 100%);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.hero h1 .hl {
  background: linear-gradient(120deg, transparent 0 50%, rgba(253,230,138,0.85) 50% 95%, transparent 95%);
  padding: 0 6px;
}
.hero-lede { font-size: var(--fs-lg); color: rgba(255,255,255,0.78); margin: 0 0 var(--sp-6); max-width: 640px; line-height: 1.7;}
.hero-ctas { display: flex; gap: var(--sp-3); flex-wrap: wrap; margin-bottom: var(--sp-6);}

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 26px; border-radius: var(--r-full);
  font-weight: 700; font-size: var(--fs-base);
  transition: all .2s var(--ease);
  border: 1px solid transparent; cursor: pointer; min-height: 46px;
}
.btn-primary {
  background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-glow) 100%);
  color: var(--c-ink) !important;
  box-shadow: 0 8px 24px rgba(34,211,238,0.35), 0 0 0 1px rgba(255,255,255,0.1) inset;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 36px rgba(34,211,238,0.5), 0 0 0 1px rgba(255,255,255,0.18) inset; color: var(--c-ink) !important; text-decoration: none;}
.btn-ghost-dark {
  background: rgba(255,255,255,0.06); color: #fff; border-color: rgba(255,255,255,0.18);
  backdrop-filter: blur(6px);
}
.btn-ghost-dark:hover { background: rgba(255,255,255,0.12); border-color: rgba(255,255,255,0.32); color: #fff; text-decoration: none; transform: translateY(-1px);}
.btn-ghost { background: transparent; color: var(--c-text); border-color: var(--c-line-2); }
.btn-ghost:hover { background: var(--c-card); border-color: var(--c-text); color: var(--c-text); text-decoration: none; }
.btn-arrow::after { content: '→'; transition: transform .15s var(--ease); }
.btn-arrow:hover::after { transform: translateX(4px); }

/* Hero 数据卡浮动布局 */
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: var(--sp-8); align-items: center; }
@media (max-width: 980px) { .hero-grid { grid-template-columns: 1fr; gap: var(--sp-6);} }

.hero-cards { position: relative; min-height: 460px; }
.live-card {
  background:
    linear-gradient(135deg, rgba(19,27,46,0.92) 0%, rgba(11,18,32,0.85) 100%);
  border: 1px solid rgba(34,211,238,0.18);
  backdrop-filter: blur(14px) saturate(150%); -webkit-backdrop-filter: blur(14px) saturate(150%);
  border-radius: var(--r-lg); padding: var(--sp-4) var(--sp-5);
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.04) inset,
    0 24px 48px rgba(0,0,0,0.50),
    0 4px 12px rgba(0,0,0,0.30),
    0 0 24px rgba(34,211,238,0.08);
  position: absolute; min-width: 240px;
  transition: all .3s var(--ease);
  animation: float 7s ease-in-out infinite;
  overflow: hidden;
}
/* corner accents (未来感 4 角线段) */
.live-card::before, .live-card::after {
  content:''; position: absolute; width: 14px; height: 14px;
  border: 2px solid var(--c-accent); pointer-events: none;
  transition: all .3s var(--ease);
}
.live-card::before {
  top: 6px; left: 6px; border-right: 0; border-bottom: 0; border-top-left-radius: 6px;
}
.live-card::after {
  bottom: 6px; right: 6px; border-left: 0; border-top: 0; border-bottom-right-radius: 6px;
}
.live-card:hover {
  transform: translateY(-6px) scale(1.03);
  border-color: rgba(34,211,238,0.55);
  box-shadow:
    0 0 0 1px rgba(34,211,238,0.18) inset,
    0 32px 60px rgba(0,0,0,0.55),
    0 8px 16px rgba(0,0,0,0.35),
    0 0 40px rgba(34,211,238,0.25);
}
.live-card:hover::before, .live-card:hover::after {
  width: 22px; height: 22px;
}
.live-card .label { position: relative; }
.live-card.c1 { top: 10px; left: 0; animation-delay: 0s; }
.live-card.c2 { top: 110px; right: 0; animation-delay: -1.5s; }
.live-card.c3 { top: 220px; left: 20px; animation-delay: -3s; }
.live-card.c4 { top: 340px; right: 20px; animation-delay: -4.5s; }
.live-card .label { font-size: var(--fs-xs); color: rgba(255,255,255,0.55); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 4px; display: flex; align-items: center; gap: 8px;}
.live-card .val { font-family: var(--font-num); font-size: 26px; color: #fff; font-weight: 700; }
.live-card .chg { font-size: var(--fs-sm); font-family: var(--font-num); margin-top: 4px;}
.live-card .chg.up { color: var(--c-up); }
.live-card .chg.down { color: var(--c-down); }
.live-card .signal {
  width: 8px; height: 8px; border-radius: 50%;
  display: inline-block;
}
.live-card .signal.up { background: var(--c-up); box-shadow: var(--sh-glow-up); animation: dot-pulse 2s ease-in-out infinite;}
.live-card .signal.down { background: var(--c-down); box-shadow: var(--sh-glow-down); animation: dot-pulse 2s ease-in-out infinite;}
.live-card .signal.warn { background: var(--c-warn); box-shadow: var(--sh-glow-cyan); animation: dot-pulse 2s ease-in-out infinite;}

@keyframes float { 0%,100% { transform: translateY(0);} 50% { transform: translateY(-10px);} }
@media (max-width: 980px) {
  .hero-cards { min-height: 0; display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-3); margin-top: var(--sp-5); }
  .live-card { position: static; animation: none; min-width: 0; }
  .live-card.c3, .live-card.c4 { display: none; }
}

.hero-stats { display: flex; gap: var(--sp-6); flex-wrap: wrap; padding-top: var(--sp-5); border-top: 1px solid rgba(255,255,255,0.1); }
.hero-stat { font-size: var(--fs-xs); color: rgba(255,255,255,0.6); text-transform: uppercase; letter-spacing: 1.5px;}
.hero-stat b { color: #fff; font-size: var(--fs-2xl); font-family: var(--font-num); display: block; font-weight: 700; letter-spacing: -0.02em;}

/* ===== 返佣 Ribbon · 全宽强金色 · 必须明显 ===== */
.ref-ribbon {
  position: relative; overflow: hidden;
  background:
    radial-gradient(120% 100% at 50% 0%, #FEF3C7 0%, #FCD535 35%, #F0B90B 100%);
  color: #0B1220;
  border-top: 3px solid #0B1220;
  border-bottom: 3px solid #0B1220;
  box-shadow:
    inset 0 -20px 40px rgba(11,18,32,0.08),
    0 12px 40px rgba(240,185,11,0.35);
}
.ref-ribbon::before {
  /* 斜纹纹理 + 内部 grid */
  content: ''; position: absolute; inset: 0;
  background:
    repeating-linear-gradient(45deg, transparent 0 18px, rgba(11,18,32,0.04) 18px 36px),
    radial-gradient(600px 200px at 90% 50%, rgba(255,255,255,0.35), transparent 60%);
  pointer-events: none;
}
.ref-ribbon::after {
  /* 顶部双层 scan line (neon 金) */
  content:''; position:absolute; top: 3px; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent 0%, #fff 30%, #fff 70%, transparent 100%);
  opacity: 0.7;
  pointer-events: none;
}
.ref-ribbon-inner {
  display: flex; align-items: center; justify-content: space-between; gap: var(--sp-6);
  padding: var(--sp-5) var(--sp-5); position: relative; flex-wrap: wrap;
}
.ref-ribbon-text { display: flex; flex-direction: column; gap: 6px; min-width: 320px; flex: 1;}
.ref-ribbon-tag {
  display: inline-flex; align-items: center; gap: 6px; align-self: flex-start;
  background: var(--c-ink);
  color: #FCD535;
  padding: 6px 16px; border-radius: var(--r-full);
  font-size: var(--fs-xs); font-weight: 800; letter-spacing: 1px;
  box-shadow: 0 4px 12px rgba(11,18,32,0.3);
}
.ref-ribbon-head {
  font-size: clamp(20px, 2.4vw, 28px); font-weight: 800;
  color: var(--c-ink); line-height: 1.3;
  letter-spacing: -0.01em;
}
.ref-ribbon-head code {
  background: var(--c-ink); color: #FCD535;
  padding: 4px 14px; border-radius: var(--r-sm); font-weight: 700;
  font-family: var(--font-num); font-size: 0.85em;
  border: 2px solid var(--c-ink);
  letter-spacing: 1.5px;
  margin: 0 4px;
  display: inline-block;
}
.ref-ribbon-head strong {
  color: var(--c-ink);
  font-weight: 900; font-size: 1.15em;
  border-bottom: 3px solid var(--c-ink);
  padding: 0 2px;
}
.ref-ribbon-sub { font-size: var(--fs-sm); color: rgba(11,18,32,0.75); font-weight: 500;}
.ref-ribbon-sub a { color: var(--c-ink); text-decoration: underline; font-weight: 700;}
.ref-ribbon .btn-primary {
  background: var(--c-ink);
  color: #FCD535 !important;
  font-size: var(--fs-lg);
  font-weight: 800; letter-spacing: 0.5px;
  padding: 16px 32px;
  box-shadow:
    0 0 0 3px rgba(11,18,32,0.15),
    0 8px 24px rgba(11,18,32,0.4),
    0 0 0 1px rgba(255,255,255,0.08) inset;
  transition: all .25s var(--ease);
  position: relative; overflow: hidden;
}
.ref-ribbon .btn-primary::before {
  /* shimmer 高光从左到右扫过 */
  content:''; position: absolute; top: 0; left: -100%;
  width: 60%; height: 100%;
  background: linear-gradient(90deg, transparent 0%, rgba(252,213,53,0.45) 50%, transparent 100%);
  animation: btn-shimmer 2.8s ease-in-out infinite;
  pointer-events: none;
}
@keyframes btn-shimmer {
  0%, 60% { left: -60%; }
  100% { left: 110%; }
}
.ref-ribbon .btn-primary:hover {
  transform: translateY(-3px) scale(1.04);
  color: #FCD535 !important;
  box-shadow:
    0 0 0 4px rgba(11,18,32,0.2),
    0 14px 32px rgba(11,18,32,0.5),
    0 0 0 1px rgba(252,213,53,0.3) inset;
  background: linear-gradient(135deg, var(--c-ink) 0%, #1E2A44 100%);
}
@media (max-width: 720px) {
  .ref-ribbon-inner { flex-direction: column; align-items: flex-start; padding: var(--sp-5);}
  .ref-ribbon-head { font-size: 18px;}
  .ref-ribbon .btn-primary { width: 100%; justify-content: center; padding: 14px 24px;}
}

/* ===== Sections ===== */
.section { padding: var(--sp-12) 0; }
.section.dark { background: var(--c-ink-2); color: #fff; }
.section.dark h2, .section.dark h3 { color: #fff; }
.section.dark .section-lede { color: rgba(255,255,255,0.7); }
.section.tinted { background: linear-gradient(180deg, var(--c-bg-2) 0%, var(--c-bg) 100%); }
.section-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: var(--fs-xs); letter-spacing: 2px; text-transform: uppercase;
  color: var(--c-accent-2); font-weight: 700; margin-bottom: var(--sp-3);
}
.section-tag::before { content: ''; width: 22px; height: 2px; background: var(--c-accent-2); }
.section.dark .section-tag { color: var(--c-accent); }
.section.dark .section-tag::before { background: var(--c-accent); }

.section-title { font-size: clamp(28px, 3.4vw, 42px); margin: 0 0 var(--sp-3); letter-spacing: -0.025em; font-weight: 800; line-height: 1.2;}
.section.dark .section-title {
  background: linear-gradient(120deg, #fff 0%, #BAE6FD 50%, #fff 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.section-lede { font-size: var(--fs-lg); color: var(--c-muted); max-width: 720px; margin: 0 0 var(--sp-8); line-height: 1.7;}

/* ===== Metric tiles (5 大指标) ===== */
.metric-tiles {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--sp-3);
  margin-top: var(--sp-6);
}
.metric-tile {
  position: relative; padding: var(--sp-5) var(--sp-4);
  background:
    linear-gradient(135deg, rgba(19,27,46,1) 0%, rgba(11,18,32,1) 100%);
  border: 1px solid rgba(34,211,238,0.10);
  border-radius: var(--r-lg);
  overflow: hidden; cursor: pointer;
  transition: all .3s var(--ease);
  color: #fff;
  display: block;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2), 0 0 0 1px rgba(255,255,255,0.02) inset;
}
.metric-tile:hover {
  transform: translateY(-6px);
  border-color: rgba(34,211,238,0.5);
  text-decoration: none; color: #fff;
  background:
    linear-gradient(135deg, rgba(30,42,68,1) 0%, rgba(19,27,46,1) 100%);
  box-shadow:
    0 0 0 1px rgba(34,211,238,0.15) inset,
    0 20px 40px rgba(0,0,0,0.4),
    0 0 32px rgba(34,211,238,0.25);
}
.metric-tile::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--c-accent), var(--c-glow), transparent);
  opacity: 0; transition: opacity .3s var(--ease);
  box-shadow: 0 0 12px rgba(34,211,238,0.6);
}
.metric-tile:hover::before { opacity: 1; }
.metric-tile::after {
  /* 右下角小圆点(科技点缀)*/
  content:''; position: absolute; bottom: 14px; right: 14px;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--c-accent); opacity: 0.4;
  box-shadow: 0 0 8px var(--c-accent);
  transition: opacity .3s var(--ease);
}
.metric-tile:hover::after { opacity: 1; }
.metric-tile .num {
  font-family: var(--font-num); font-size: 32px; font-weight: 700;
  background: linear-gradient(135deg, var(--c-accent), var(--c-glow));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  letter-spacing: -0.04em; display: block; line-height: 1;
}
.metric-tile .name { display: block; margin-top: var(--sp-3); font-size: var(--fs-base); font-weight: 600; color: #fff;}
.metric-tile .desc { display: block; margin-top: 4px; font-size: var(--fs-xs); color: rgba(255,255,255,0.55); line-height: 1.5;}
@media (max-width: 980px) { .metric-tiles { grid-template-columns: repeat(2, 1fr);} }
@media (max-width: 480px) { .metric-tiles { grid-template-columns: 1fr;} }

/* ===== Cards 卡片网格 ===== */
.card-grid { display: grid; gap: var(--sp-5); }
.card-grid.col-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid.col-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid.col-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) {
  .card-grid.col-3 { grid-template-columns: repeat(2, 1fr); }
  .card-grid.col-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .card-grid.col-3, .card-grid.col-2, .card-grid.col-4 { grid-template-columns: 1fr; }
}

.card {
  background: var(--c-card); border: 1px solid var(--c-line);
  border-radius: var(--r-lg); padding: var(--sp-5);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
  display: flex; flex-direction: column; gap: var(--sp-3);
  position: relative;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--sh-md); border-color: var(--c-line-2); }
.card-num { font-family: var(--font-num); font-size: var(--fs-sm); color: var(--c-faint); letter-spacing: 1.5px;}
.card-meta { display: flex; gap: var(--sp-2); flex-wrap: wrap; font-size: var(--fs-xs); color: var(--c-muted); align-items: center;}
.card-meta .tag {
  background: var(--c-bg-2); padding: 3px 10px; border-radius: var(--r-full);
  font-weight: 600; color: var(--c-text-2);
}
.card-meta .tag.cyan { background: var(--c-accent-soft); color: var(--c-accent-2);}
.card-meta .tag.warn { background: #FEF3C7; color: #92400E;}
.card-meta .tag.up { background: #D1FAE5; color: #065F46;}
.card-meta .tag.down { background: #FEE2E2; color: #991B1B;}
.card h3 { margin: 0; font-size: var(--fs-xl); line-height: 1.35;}
.card h3 a { color: var(--c-text); }
.card h3 a:hover { color: var(--c-accent-2); text-decoration: none; }
.card p { color: var(--c-muted); margin: 0; font-size: var(--fs-sm); line-height: 1.7;}
.card .read-more {
  margin-top: auto; color: var(--c-accent-2); font-weight: 700; font-size: var(--fs-sm);
  display: inline-flex; align-items: center; gap: 6px;
}
.card .read-more::after { content: '→'; transition: transform .15s var(--ease); }
.card:hover .read-more::after { transform: translateX(4px); }

/* 文章卡片含缩略图 */
.card-thumb { aspect-ratio: 16/9; background: var(--c-bg-2); border-radius: var(--r-md); overflow: hidden; margin: calc(var(--sp-5) * -1) calc(var(--sp-5) * -1) 0; border-bottom: 1px solid var(--c-line);}
.card-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s var(--ease);}
.card:hover .card-thumb img { transform: scale(1.04); }

/* 大型 cornerstone 卡(feature) */
.card.feature { grid-column: span 2; }
.card.feature .card-thumb { aspect-ratio: 21/9; }
.card.feature h3 { font-size: var(--fs-2xl);}
@media (max-width: 980px) { .card.feature { grid-column: span 1;} }

/* 工具卡 (深色) */
.tool-card {
  background: linear-gradient(135deg, var(--c-ink-2) 0%, var(--c-ink-3) 100%);
  color: #fff; border-radius: var(--r-lg); padding: var(--sp-5);
  border: 1px solid var(--c-line-dark);
  position: relative; overflow: hidden;
  transition: transform .2s var(--ease), border-color .2s var(--ease);
  display: flex; flex-direction: column; gap: var(--sp-3);
}
.tool-card::before {
  content:''; position: absolute; inset: 0;
  background: radial-gradient(800px 300px at 100% 0%, rgba(34,211,238,0.18), transparent 60%);
  pointer-events: none;
}
.tool-card:hover { transform: translateY(-4px); border-color: var(--c-accent);}
.tool-card > * { position: relative; }
.tool-card h3 { color: #fff; margin: 0; font-size: var(--fs-xl);}
.tool-card h3 a { color: #fff;}
.tool-card h3 a:hover { color: var(--c-accent); text-decoration: none;}
.tool-card p { color: rgba(255,255,255,0.7); margin: 0; font-size: var(--fs-sm);}
.tool-card .card-meta .tag { background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.85);}
.tool-card .read-more { color: var(--c-accent);}

/* ===== Article 版式 ===== */
article.article { padding: var(--sp-8) 0 var(--sp-10); }
.article-head { margin-bottom: var(--sp-6); }
.article-eyebrow { font-size: var(--fs-xs); letter-spacing: 2px; text-transform: uppercase; color: var(--c-accent-2); font-weight: 700; }
.article-title { font-size: clamp(28px, 4vw, 44px); margin: var(--sp-3) 0 var(--sp-4); letter-spacing: -0.02em; line-height: 1.2;}
.article-meta { display: flex; gap: var(--sp-4); font-size: var(--fs-sm); color: var(--c-muted); flex-wrap: wrap; }
.article-meta .dot::before { content: '·'; margin-right: 12px; color: var(--c-faint);}

.article-cover {
  margin: var(--sp-5) auto var(--sp-6); max-width: 100%;
  border-radius: var(--r-lg); overflow: hidden;
  box-shadow: var(--sh-md); aspect-ratio: 16/9; background: var(--c-bg-2);
}
.article-cover img { width: 100%; height: 100%; object-fit: cover; }

.article-body { font-size: 17px; line-height: 1.85; }
.article-body p { margin: 0 0 var(--sp-4); color: var(--c-text-2); }
.article-body h2 { font-size: 28px; margin: var(--sp-8) 0 var(--sp-4); letter-spacing: -0.015em;}
.article-body h3 { font-size: 22px; }
.article-body ul, .article-body ol { padding-left: 1.6em; margin: 0 0 var(--sp-4); }
.article-body li { margin-bottom: var(--sp-2); color: var(--c-text-2); }
.article-body blockquote {
  margin: var(--sp-5) 0; padding: var(--sp-3) var(--sp-5);
  border-left: 3px solid var(--c-accent); background: var(--c-accent-soft);
  color: var(--c-text-2); border-radius: 0 var(--r-md) var(--r-md) 0;
}

/* TOC */
.toc {
  background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--r-lg);
  padding: var(--sp-4) var(--sp-5); margin: var(--sp-5) 0 var(--sp-6);
}
.toc-title { font-size: var(--fs-xs); font-weight: 700; color: var(--c-muted); text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: var(--sp-3); display: flex; align-items: center; gap: 8px;}
.toc-title::before { content: '☰'; color: var(--c-accent-2); font-size: 16px;}
.toc ol { padding-left: 1.6em; margin: 0; }
.toc li { margin-bottom: 6px; color: var(--c-muted); }
.toc a { color: var(--c-text-2); }
.toc a:hover { color: var(--c-accent-2); text-decoration: none; }

/* hands-on 实测段 */
.hands-on {
  background: linear-gradient(135deg, #FFFBEB 0%, #FEF3C7 100%);
  border-left: 4px solid var(--c-warn);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  padding: var(--sp-4) var(--sp-5);
  margin: var(--sp-5) 0;
  position: relative;
}
.hands-on-head { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--c-text); margin-bottom: var(--sp-2); font-size: var(--fs-sm); letter-spacing: 0.5px; }
.hands-on p { color: var(--c-text-2); margin: 0 0 var(--sp-3); }
.hands-on p:last-child { margin-bottom: 0; }

/* 警示 banner */
.warn-banner {
  background: linear-gradient(135deg, #FEF2F2 0%, #FFF1F2 100%);
  border: 1px solid #FECACA;
  border-left: 4px solid var(--c-down);
  border-radius: var(--r-md);
  padding: var(--sp-4) var(--sp-5);
  margin: var(--sp-5) 0;
}
.warn-banner h3 { margin: 0 0 var(--sp-2); color: var(--c-down); font-size: var(--fs-lg); }
.warn-banner p { margin: 0; color: var(--c-text-2); font-size: var(--fs-sm); }

/* 评分对照卡 */
.scorecard { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4); margin: var(--sp-5) 0; }
.score-col { background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--r-lg); padding: var(--sp-5); }
.score-col h4 { margin: 0 0 var(--sp-3); }
.score-row { display: flex; justify-content: space-between; padding: var(--sp-2) 0; border-bottom: 1px dashed var(--c-line); font-size: var(--fs-sm); }
.score-row:last-child { border-bottom: 0; }
.score-row b { font-family: var(--font-num); color: var(--c-accent-2); }
@media (max-width: 720px) { .scorecard { grid-template-columns: 1fr; } }

/* Q&A hero */
.qa-hero { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-3); margin: var(--sp-5) 0; }
.qa-item { background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--r-md); padding: var(--sp-4); }
.qa-item .q { font-weight: 700; color: var(--c-text); margin-bottom: 4px; font-size: var(--fs-sm); }
.qa-item .a { color: var(--c-muted); font-size: var(--fs-sm); margin: 0; }
@media (max-width: 720px) { .qa-hero { grid-template-columns: 1fr; } }

/* 决策树 */
.decision-tree { background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--r-lg); padding: var(--sp-5); margin: var(--sp-5) 0; }
.dt-step { display: flex; gap: var(--sp-3); align-items: flex-start; margin-bottom: var(--sp-4); }
.dt-step:last-child { margin-bottom: 0; }
.dt-num { flex-shrink: 0; width: 32px; height: 32px; border-radius: 50%; background: linear-gradient(135deg, var(--c-accent), var(--c-glow)); color: #fff; display: flex; align-items: center; justify-content: center; font-family: var(--font-num); font-weight: 700; font-size: var(--fs-sm); }
.dt-step p { margin: 0; flex: 1; padding-top: 4px; }

/* 数据表 */
.data-table { width: 100%; border-collapse: collapse; margin: var(--sp-4) 0; font-size: var(--fs-sm); background: var(--c-card); border-radius: var(--r-md); overflow: hidden; box-shadow: var(--sh-xs); }
.data-table th, .data-table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--c-line); }
.data-table th { background: var(--c-bg-2); font-weight: 700; color: var(--c-text); text-transform: uppercase; font-size: var(--fs-xs); letter-spacing: 0.5px; }
.data-table td { color: var(--c-text-2); }
.data-table tbody tr:last-child td { border-bottom: 0; }
.data-table tbody tr:hover { background: var(--c-accent-soft); }
.data-table .num { font-family: var(--font-num); text-align: right; }
.data-table .up { color: var(--c-up); }
.data-table .down { color: var(--c-down); }
@media (max-width: 640px) { .data-table { display: block; overflow-x: auto; } }

/* FAQ */
.faq-list { margin: var(--sp-5) 0; }
.faq-list details { background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--r-md); padding: 0; margin-bottom: var(--sp-2); transition: border-color .15s var(--ease); }
.faq-list details[open] { border-color: var(--c-accent); box-shadow: var(--sh-sm); }
.faq-list summary { cursor: pointer; padding: var(--sp-4); font-weight: 600; color: var(--c-text); list-style: none; display: flex; justify-content: space-between; align-items: center; gap: var(--sp-3); }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: '+'; font-size: 22px; color: var(--c-accent-2); font-weight: 400; transition: transform .15s var(--ease); }
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list details > div { padding: 0 var(--sp-4) var(--sp-4); color: var(--c-muted); }

/* CTA Block 大号(深色) */
.cta-block {
  background: linear-gradient(135deg, var(--c-ink-2) 0%, var(--c-ink-3) 60%, var(--c-accent-2) 130%);
  color: #fff; border-radius: var(--r-lg); padding: var(--sp-8) var(--sp-6); margin: var(--sp-6) 0;
  text-align: center; position: relative; overflow: hidden;
  border: 1px solid var(--c-line-dark);
}
.cta-block::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(800px 400px at 10% 100%, rgba(34,211,238,0.18), transparent 60%);
  pointer-events: none;
}
.cta-block > * { position: relative; }
.cta-block h3 { color: #fff; margin: 0 0 var(--sp-3); font-size: clamp(22px, 3vw, 30px); }
.cta-block p { color: rgba(255,255,255,0.78); margin: 0 0 var(--sp-5); font-size: var(--fs-base); line-height: 1.7;}
.cta-block .btn-primary { background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-glow) 100%); color: var(--c-ink) !important;}
.cta-disclosure { display: block; margin-top: var(--sp-4); font-size: var(--fs-xs); color: rgba(255,255,255,0.55); }
.cta-disclosure a { color: rgba(255,255,255,0.78); }

.cta-inline {
  background: var(--c-accent-soft); border: 1px solid #BAE6FD;
  border-radius: var(--r-md); padding: var(--sp-3) var(--sp-4);
  margin: var(--sp-4) 0; display: flex; gap: var(--sp-3); align-items: center; flex-wrap: wrap;
}
.cta-inline p { margin: 0; flex: 1; min-width: 220px; color: var(--c-text-2); font-size: var(--fs-sm); }
.cta-inline a.btn { padding: 9px 18px; font-size: var(--fs-sm); }

/* 面包屑 */
.crumb { font-size: var(--fs-sm); color: var(--c-muted); margin-bottom: var(--sp-3); }
.crumb a { color: var(--c-muted); }
.crumb a:hover { color: var(--c-accent-2); text-decoration: none; }
.crumb > * + *::before { content: '/'; margin: 0 8px; color: var(--c-line-2); }

/* ===== Footer ===== */
.footer {
  background: var(--c-ink-2); color: rgba(255,255,255,0.7);
  padding: var(--sp-10) 0 var(--sp-5); margin-top: var(--sp-10); font-size: var(--fs-sm);
  border-top: 1px solid var(--c-line-dark);
  position: relative;
}
.footer::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--c-accent), var(--c-glow), transparent);
  opacity: .4;
}
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr; gap: var(--sp-5); margin-bottom: var(--sp-6); }
.footer .brand { color: #fff; }
.footer h4 { color: #fff; font-size: var(--fs-base); margin: 0 0 var(--sp-3); }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer ul li { margin-bottom: 8px; }
.footer a { color: rgba(255,255,255,0.6); }
.footer a:hover { color: #fff; text-decoration: none; }
.footer-tag { color: rgba(255,255,255,0.5); margin-top: var(--sp-3); font-size: var(--fs-sm); line-height: 1.7; }
.footer-bottom {
  border-top: 1px solid var(--c-line-dark); padding-top: var(--sp-4);
  display: flex; justify-content: space-between; font-size: var(--fs-xs);
  color: rgba(255,255,255,0.45); gap: var(--sp-3); flex-wrap: wrap;
}
@media (max-width: 980px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px) { .footer-grid { grid-template-columns: 1fr; } }

/* ===== Calc 工具页 ===== */
.calc {
  background: var(--c-card); border: 1px solid var(--c-line);
  border-radius: var(--r-lg); padding: var(--sp-5);
  display: grid; gap: var(--sp-4);
}
.calc-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4); }
.calc-field label { display: block; font-weight: 600; color: var(--c-text); margin-bottom: 6px; font-size: var(--fs-sm); }
.calc-field input, .calc-field select {
  width: 100%; padding: 11px 14px; border-radius: var(--r-md);
  border: 1px solid var(--c-line-2); background: #fff; font-family: var(--font-num);
  font-size: var(--fs-base); transition: border-color .15s var(--ease);
}
.calc-field input:focus, .calc-field select:focus {
  border-color: var(--c-accent); outline: 3px solid var(--c-accent-soft);
}
.calc-help { font-size: var(--fs-xs); color: var(--c-muted); margin-top: 4px;}
.calc-result {
  background: linear-gradient(135deg, var(--c-ink-2) 0%, var(--c-ink-3) 100%);
  color: #fff; border-radius: var(--r-md);
  padding: var(--sp-4) var(--sp-5); display: grid; gap: var(--sp-2);
  border: 1px solid var(--c-line-dark);
}
.calc-result .lbl { color: rgba(255,255,255,0.65); font-size: var(--fs-sm); }
.calc-result .val { font-family: var(--font-num); font-size: var(--fs-2xl); font-weight: 700; color: var(--c-accent);}
@media (max-width: 560px) { .calc-row { grid-template-columns: 1fr; } }

/* Glossary */
.glossary-list { display: grid; gap: var(--sp-3); }
.glossary-item { padding: var(--sp-4); background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--r-md); }
.glossary-item dt { font-weight: 700; color: var(--c-text); margin-bottom: 4px; }
.glossary-item dd { margin: 0; color: var(--c-muted); font-size: var(--fs-sm); }

/* Corrections */
.correction { padding: var(--sp-4) var(--sp-5); background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--r-md); margin-bottom: var(--sp-3); }
.correction .date { font-size: var(--fs-xs); color: var(--c-faint); letter-spacing: 1px; text-transform: uppercase; }
.correction h4 { margin: 4px 0 var(--sp-2); }
.correction .diff { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-3); margin: var(--sp-2) 0; font-size: var(--fs-sm); }
.correction .diff div { padding: var(--sp-2) var(--sp-3); border-radius: var(--r-sm); }
.correction .old { background: #FEF2F2; color: #991B1B; text-decoration: line-through; }
.correction .new { background: #ECFDF5; color: #065F46; }
.correction .reason { font-size: var(--fs-sm); color: var(--c-muted); margin: 0; }
@media (max-width: 600px) { .correction .diff { grid-template-columns: 1fr; } }

/* 触摸 44px */
button, a.btn, .nav-cta, .nav-toggle, .calc-field input, .calc-field select { min-height: 44px; }

@media (max-width: 640px) {
  .hero { padding: 56px 0 64px; }
  .section { padding: var(--sp-8) 0; }
  .article-body { font-size: 16px; line-height: 1.8; }
}

/* ===== Mobile · 极窄视口防溢出 + ticker 节流 ===== */
h1, h2, h3, .article-title, .section-title, .hero-headline {
  overflow-wrap: anywhere;
  word-break: break-word;
}
@media (max-width: 480px) {
  .ticker { font-size: 10px; }
  .ticker-inner { gap: var(--sp-4); height: 28px; }
}
@media (max-width: 360px) {
  .ticker { display: none; }
  .article-title { font-size: 22px; }
  .section-title { font-size: 24px; }
  .wrap, .wrap-article { padding: 0 var(--sp-3); }
}

/* 确保所有 CTA / 按钮触摸目标 ≥ 44px (兜底) */
.btn, .ref-ribbon .btn-primary, .calc-input, .calc-field button { min-height: 44px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

@media print {
  .nav, .ticker, .footer, .cta-block, .cta-inline, .hero::before, .hero::after { display: none; }
  body { background: #fff; color: #000; }
}

/* ─────────────────────────────────────────────────────────────
 * 工具页主题分组 · 2026-05-20 加(反 AI 化:破除 13 工具同款 dark 模板)
 * 默认 (无 body class) = Theme Deep,深蓝青系,6 个计算工具用
 * body.theme-pulse  = 印迹/绿松,3 个技术指标可视化(RSI/MACD/RSI 热力)
 * body.theme-bronze = 古铜/暖琥珀,4 个周期/历史/情绪/纪律工具
 * ───────────────────────────────────────────────────────────── */

/* ─── Theme Pulse(印迹 / 翡翠墨绿,适合"信号读取"语境)─── */
body.theme-pulse .calc-dark{
  background: linear-gradient(135deg,#04140C 0%,#0A2A1E 55%,#0E3528 100%);
  border-color: rgba(110,231,183,.24);
  box-shadow: 0 30px 60px -30px rgba(5,150,105,.45), inset 0 0 0 1px rgba(255,255,255,.04);
  color: #DCFCE7;
}
body.theme-pulse .calc-dark::before{
  background:
    radial-gradient(600px 220px at 12% -10%, rgba(110,231,183,.22), transparent 60%),
    radial-gradient(500px 200px at 100% 0%, rgba(5,150,105,.26), transparent 65%);
}
body.theme-pulse .calc-dark label,
body.theme-pulse .calc-asset label,
body.theme-pulse .calc-dark .lbl,
body.theme-pulse .rsi-big .lbl{ color: #6EE7B7; }
body.theme-pulse .calc-live{
  color:#6EE7B7; background:rgba(5,150,105,.10); border-color:rgba(110,231,183,.24);
}
body.theme-pulse .calc-live .dot{
  background:#10B981; box-shadow:0 0 8px #10B981, 0 0 16px rgba(16,185,129,.6);
}
body.theme-pulse .calc-asset select,
body.theme-pulse .calc-dark select,
body.theme-pulse .calc-dark input,
body.theme-pulse .calc-dark textarea{
  border-color: rgba(110,231,183,.24);
}
body.theme-pulse .calc-dark select:focus,
body.theme-pulse .calc-dark input:focus,
body.theme-pulse .calc-dark textarea:focus{
  border-color:#34D399; box-shadow:0 0 0 3px rgba(52,211,153,.18);
}
body.theme-pulse .calc-dark .val,
body.theme-pulse .rsi-big .val,
body.theme-pulse .macd-tile .val{
  color:#ECFDF5; text-shadow:0 0 18px rgba(52,211,153,.45);
}
body.theme-pulse .calc-dark .calc-result,
body.theme-pulse .rsi-big,
body.theme-pulse .macd-tile,
body.theme-pulse .macd-state,
body.theme-pulse .rsi-zone-card,
body.theme-pulse .rsi-spark,
body.theme-pulse .macd-vis{
  background:rgba(2,15,10,.55); border-color:rgba(110,231,183,.22);
  box-shadow:inset 0 0 30px rgba(5,150,105,.08);
}
body.theme-pulse .calc-quick .qchip,
body.theme-pulse .calc-live-prices .lp-chip{
  background:rgba(52,211,153,.10); border-color:rgba(110,231,183,.24); color:#D1FAE5;
}
body.theme-pulse .calc-quick .qchip:hover,
body.theme-pulse .calc-live-prices .lp-chip:hover{
  background:rgba(52,211,153,.20); border-color:#34D399;
}
body.theme-pulse .calc-adv summary{ color:#34D399; }
body.theme-pulse .calc-adv summary:hover{ color:#6EE7B7; }
/* spark/hist path use emerald */
body.theme-pulse #rsi-spark-path{ stroke:#34D399; }
body.theme-pulse #rsi-spark-dot{ fill:#34D399; filter:drop-shadow(0 0 4px #34D399); }

/* rsi-heatmap 容器:它没有 calc-dark,需要单独处理 */
body.theme-pulse{ --c-accent: #34D399; --c-accent-2: #10B981; }

/* ─── Theme Bronze(古铜 / 暖琥珀,适合"周期 / 历史 / 情绪 / 纪律"语境)─── */
body.theme-bronze .calc-dark,
body.theme-bronze .hc-dark{
  background: linear-gradient(135deg,#1A0F03 0%,#2F1D08 55%,#3F2A11 100%);
  border-color: rgba(252,211,77,.24);
  box-shadow: 0 30px 60px -30px rgba(180,83,9,.45), inset 0 0 0 1px rgba(255,255,255,.04);
  color: #FEF3C7;
}
body.theme-bronze .calc-dark::before,
body.theme-bronze .hc-dark::before{
  background:
    radial-gradient(600px 220px at 12% -10%, rgba(252,211,77,.22), transparent 60%),
    radial-gradient(500px 200px at 100% 0%, rgba(180,83,9,.28), transparent 65%);
}
body.theme-bronze .calc-dark label,
body.theme-bronze .calc-asset label,
body.theme-bronze .calc-dark .lbl,
body.theme-bronze .hc-tile .lbl{ color:#FCD34D; }
body.theme-bronze .calc-live{
  color:#FCD34D; background:rgba(180,83,9,.10); border-color:rgba(252,211,77,.24);
}
body.theme-bronze .calc-live .dot{
  background:#F59E0B; box-shadow:0 0 8px #F59E0B, 0 0 16px rgba(245,158,11,.6);
}
body.theme-bronze .calc-asset select,
body.theme-bronze .calc-dark select,
body.theme-bronze .calc-dark input,
body.theme-bronze .calc-dark textarea{
  border-color: rgba(252,211,77,.24);
}
body.theme-bronze .calc-dark select:focus,
body.theme-bronze .calc-dark input:focus,
body.theme-bronze .calc-dark textarea:focus{
  border-color:#F59E0B; box-shadow:0 0 0 3px rgba(245,158,11,.18);
}
body.theme-bronze .calc-dark .val,
body.theme-bronze .hc-tile .val,
body.theme-bronze .rsi-big .val,
body.theme-bronze .macd-tile .val{
  color:#FFFBEB; text-shadow:0 0 18px rgba(245,158,11,.45);
}
body.theme-bronze .calc-dark .calc-result,
body.theme-bronze .hc-tile,
body.theme-bronze .hc-card,
body.theme-bronze .rsi-big,
body.theme-bronze .macd-tile{
  background:rgba(20,10,2,.55); border-color:rgba(252,211,77,.22);
  box-shadow:inset 0 0 30px rgba(180,83,9,.08);
}
body.theme-bronze .calc-quick .qchip,
body.theme-bronze .calc-live-prices .lp-chip{
  background:rgba(245,158,11,.10); border-color:rgba(252,211,77,.24); color:#FEF3C7;
}
body.theme-bronze .calc-quick .qchip:hover,
body.theme-bronze .calc-live-prices .lp-chip:hover{
  background:rgba(245,158,11,.20); border-color:#F59E0B;
}
body.theme-bronze .calc-adv summary{ color:#F59E0B; }
body.theme-bronze .calc-adv summary:hover{ color:#FCD34D; }

/* halving-cycle-locator: 进度条主色改琥珀 */
body.theme-bronze .hc-bar-fill{
  background:linear-gradient(90deg,rgba(252,211,77,.55) 0%, rgba(245,158,11,.7) 45%, rgba(217,119,6,.75) 75%, rgba(180,83,9,.75) 100%);
  box-shadow:0 0 24px rgba(252,211,77,.35);
}
body.theme-bronze .hc-bar-marker{ box-shadow:0 0 12px #F59E0B, 0 0 24px rgba(245,158,11,.55); }
body.theme-bronze .hc-bar-marker::after{ background:#FFFBEB; color:#1A0F03; }
body.theme-bronze .hc-phase-cell.active{ background:rgba(245,158,11,.14); border-color:#F59E0B; }
body.theme-bronze .hc-phase-cell.active .pl{ color:#FCD34D; }
body.theme-bronze .hc-card .ctag{ background:rgba(245,158,11,.20); color:#FCD34D; }
body.theme-bronze .hc-card .clist span b{ color:#FFFBEB; }
body.theme-bronze .hc-card .clist span small{ color:rgba(252,211,77,.6); }

body.theme-bronze{ --c-accent: #FCD34D; --c-accent-2: #F59E0B; }
/* ───────── 主题分组 END ───────── */

/* ─────────────────────────────────────────────────────────────
 * 语种切换器 (nav-lang) · 放在 nav-cta 前
 * 2026-05-21 加
 * ───────────────────────────────────────────────────────────── */
.nav-lang { position: relative; }
.nav-lang > a {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 8px 12px; border-radius: 8px;
  color: var(--c-faint, rgba(255,255,255,.75));
  font-size: 13px; font-weight: 500; text-decoration: none;
  transition: background .15s, color .15s;
}
.nav-lang > a:hover { background: rgba(103,232,249,.08); color: #67E8F9; }
.nav-lang .dropdown-lang {
  position: absolute; top: 100%; right: 0;
  min-width: 140px; padding: 6px 0;
  background: rgba(11,18,32,.98); 
  border: 1px solid rgba(103,232,249,.18);
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0,0,0,.4);
  opacity: 0; visibility: hidden; transform: translateY(-4px);
  transition: opacity .15s, transform .15s, visibility .15s;
  z-index: 100;
}
.nav-lang:hover .dropdown-lang,
.nav-lang:focus-within .dropdown-lang {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.nav-lang .dropdown-lang a {
  display: block; padding: 8px 14px; font-size: 13px;
  color: rgba(255,255,255,.85); text-decoration: none;
  transition: background .12s, color .12s;
}
.nav-lang .dropdown-lang a:hover { background: rgba(34,211,238,.1); color: #67E8F9; }
.nav-lang .dropdown-lang a.active { color: #22D3EE; background: rgba(34,211,238,.06); }
/* 希伯来语条目:统一左对齐,只让字符按 Unicode bidi 自然朝向 */
.nav-lang .dropdown-lang a[dir="rtl"] { unicode-bidi: isolate; direction: ltr; text-align: left; }

/* mobile: 收纳到汉堡菜单或简化 */
@media (max-width: 880px) {
  .nav-lang > a { padding: 6px 8px; font-size: 12px; }
  .nav-lang .dropdown-lang { right: -10px; }
}