/* =====================================================
   CryptoCompass · Brutalist 风格
   配色：黑 + 白 + 红强调，硬边角，无圆角
   字体：Space Grotesk（标题）+ JetBrains Mono（数据）
   ===================================================== */

:root {
  --c-bg: #f5f5f0;
  --c-paper: #fff;
  --c-ink: #000;
  --c-muted: #555;
  --c-light: #999;
  --c-line: #000;
  --c-accent: #ff3b30;     /* 警告红 */
  --c-up: #00875a;          /* 涨绿 */
  --c-down: #d4351c;        /* 跌红 */
  --c-warn: #f5a623;
  --c-bg-soft: #ebebe5;

  --f-sans: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --f-mono: 'JetBrains Mono', 'SF Mono', Menlo, monospace;
  --max-w: 1280px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--f-sans);
  font-size: 16px;
  line-height: 1.5;
  color: var(--c-ink);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

/* === Typography (uppercase brutalist) === */
h1, h2, h3, h4 {
  font-family: var(--f-sans);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2.5rem, 7vw, 6rem); text-transform: uppercase; }
h2 { font-size: clamp(1.75rem, 3.5vw, 3rem); text-transform: uppercase; }
h3 { font-size: 1.25rem; text-transform: uppercase; }
p { margin-bottom: 14px; }

/* === Container === */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* === Disclosure top bar === */
.disclosure-bar {
  background: var(--c-ink);
  color: var(--c-paper);
  padding: 10px 24px;
  font-family: var(--f-mono);
  font-size: 0.78rem;
  text-align: center;
  border-bottom: 3px solid var(--c-accent);
}
.disclosure-bar a {
  color: var(--c-accent);
  text-decoration: underline;
  font-weight: 700;
}

/* === Header === */
.site-header {
  background: var(--c-paper);
  border-bottom: 3px solid var(--c-ink);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav { display: flex; align-items: center; justify-content: space-between; }
.brand {
  font-family: var(--f-mono);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-transform: uppercase;
}
.brand-icon {
  width: 32px; height: 32px;
  background: var(--c-ink);
  color: var(--c-accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--f-mono);
  font-weight: 800;
  font-size: 1.1rem;
}
.brand::after {
  content: '/';
  color: var(--c-accent);
  margin-left: 4px;
}
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a {
  font-family: var(--f-mono);
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s;
}
.nav-links a:hover { border-bottom-color: var(--c-accent); }

@media (max-width: 880px) {
  .nav-links { display: none; }
}

/* === Hero === */
.hero {
  padding: 80px 0 60px;
  border-bottom: 3px solid var(--c-ink);
  background: var(--c-bg);
  position: relative;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--c-ink) 1px, transparent 1px),
    linear-gradient(90deg, var(--c-ink) 1px, transparent 1px);
  background-size: 50px 50px;
  opacity: 0.04;
  pointer-events: none;
}
.hero > .container { position: relative; z-index: 1; }
.hero-tag {
  display: inline-block;
  background: var(--c-accent);
  color: var(--c-paper);
  padding: 4px 12px;
  font-family: var(--f-mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 24px;
}
.hero h1 {
  margin-bottom: 32px;
  max-width: 1100px;
}
.hero h1 .strike {
  text-decoration: line-through;
  text-decoration-thickness: 8px;
  text-decoration-color: var(--c-accent);
  color: var(--c-muted);
}
.hero h1 .underline {
  border-bottom: 6px solid var(--c-accent);
  padding-bottom: 2px;
}
.hero .lead {
  font-size: 1.15rem;
  color: var(--c-muted);
  max-width: 640px;
  line-height: 1.55;
  margin-bottom: 32px;
}
.hero-cta { display: inline-flex; gap: 16px; flex-wrap: wrap; }

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  font-family: var(--f-mono);
  font-size: 0.92rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 3px solid var(--c-ink);
  transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  background: var(--c-paper);
  color: var(--c-ink);
  box-shadow: 5px 5px 0 var(--c-ink);
}
.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--c-ink);
}
.btn:active {
  transform: translate(0, 0);
  box-shadow: 3px 3px 0 var(--c-ink);
}
.btn-red {
  background: var(--c-accent);
  color: var(--c-paper);
}
.btn-black {
  background: var(--c-ink);
  color: var(--c-paper);
}

/* === Live price strip (matches FeeRadar) === */
.price-strip-wrap {
  background: var(--c-ink);
  color: var(--c-paper);
  padding: 10px 0;
  border-bottom: 3px solid var(--c-ink);
  font-family: var(--f-mono);
}
.price-strip {
  display: flex;
  align-items: center;
  gap: 20px;
  overflow-x: auto;
  padding: 0 24px;
  scrollbar-width: none;
}
.price-strip::-webkit-scrollbar { display: none; }
.price-cell {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  flex: 0 0 auto;
  font-size: 0.85rem;
  padding: 0 12px;
}
.price-strip-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-accent);
  padding: 0 16px;
  border-right: 2px solid #333;
}
.price-sym { font-weight: 800; color: var(--c-warn); }
.price-val { color: var(--c-paper); font-weight: 600; }
.price-chg { font-size: 0.78rem; font-weight: 700; }
.price-chg.up { color: #4ade80; }
.price-chg.down { color: #ff6b6b; }
.price-strip-source { font-size: 0.68rem; text-align: center; padding: 8px 24px 0; color: #666; }
.price-strip-source a { color: #888; text-decoration: underline; }

/* === Sections === */
.section {
  padding: 80px 0;
  border-bottom: 3px solid var(--c-ink);
}
.section-title {
  display: flex;
  align-items: baseline;
  gap: 24px;
  margin-bottom: 48px;
  padding-bottom: 16px;
  border-bottom: 3px solid var(--c-ink);
}
.section-title h2 { margin: 0; }
.section-title .meta {
  font-family: var(--f-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--c-muted);
  margin-left: auto;
}

/* === Verdict cards (吐槽评测) === */
.verdict-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 0;
  border: 3px solid var(--c-ink);
  background: var(--c-paper);
}
.verdict {
  padding: 32px;
  border-right: 3px solid var(--c-ink);
  border-bottom: 3px solid var(--c-ink);
  position: relative;
  background: var(--c-paper);
}
.verdict:last-child { border-right: none; }
.verdict-rank {
  position: absolute;
  top: -3px;
  left: -3px;
  background: var(--c-ink);
  color: var(--c-paper);
  padding: 8px 14px;
  font-family: var(--f-mono);
  font-size: 0.78rem;
  font-weight: 700;
}
.verdict-rank.best { background: var(--c-accent); }
.verdict-rank.worst { background: var(--c-warn); color: var(--c-ink); }
.verdict h3 {
  margin: 24px 0 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.verdict h3 img { height: 24px; }
.verdict .scores {
  font-family: var(--f-mono);
  font-size: 0.85rem;
  margin: 16px 0;
  border-top: 1px solid var(--c-ink);
  padding-top: 16px;
}
.verdict .score-row {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
}
.verdict .score-row .v { font-weight: 700; }
.verdict .quote {
  font-family: var(--f-sans);
  font-size: 0.95rem;
  font-style: italic;
  color: var(--c-ink);
  margin: 16px 0;
  padding-left: 16px;
  border-left: 4px solid var(--c-accent);
  line-height: 1.5;
}
.verdict-cta {
  display: inline-block;
  margin-top: 16px;
  padding: 10px 20px;
  background: var(--c-ink);
  color: var(--c-paper);
  font-family: var(--f-mono);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: background 0.15s;
}
.verdict-cta:hover { background: var(--c-accent); }
.verdict-cta-direct {
  background: var(--c-paper);
  color: var(--c-ink);
  border: 2px solid var(--c-ink);
}
.verdict-cta-direct:hover { background: var(--c-ink); color: var(--c-paper); }

/* === Compare table (futures rates) === */
.fr-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--c-paper);
  border: 3px solid var(--c-ink);
  font-family: var(--f-mono);
}
.fr-table th {
  background: var(--c-ink);
  color: var(--c-paper);
  padding: 14px 16px;
  text-align: left;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.fr-table th.num { text-align: right; }
.fr-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--c-ink);
  font-size: 0.88rem;
}
.fr-table td.num { text-align: right; font-weight: 700; }
.fr-table tr.best td { background: rgba(0, 135, 90, 0.06); font-weight: 700; }
.fr-table tr.worst td { background: rgba(212, 53, 28, 0.06); }
.fr-table .ex-name { display: inline-flex; align-items: center; gap: 12px; font-weight: 700; }
.fr-table .ex-name img { width: 28px; height: 28px; object-fit: contain; flex-shrink: 0; }
.fr-table .ex-name .rank { display: inline-block; width: 22px; font-family: var(--f-mono); color: var(--c-muted); font-weight: 600; font-size: 0.85rem; text-align: right; flex-shrink: 0; }
.fr-table .cta-cell { text-align: right; }
.fr-table .cta-btn {
  display: inline-block;
  padding: 6px 14px;
  background: var(--c-accent);
  color: var(--c-paper);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.fr-table .cta-btn-direct {
  background: var(--c-paper);
  color: var(--c-ink);
  border: 2px solid var(--c-ink);
}

/* === Strategy grid === */
.strategy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 0;
  border: 3px solid var(--c-ink);
  background: var(--c-paper);
}
.strategy {
  padding: 28px;
  border-right: 3px solid var(--c-ink);
  border-bottom: 3px solid var(--c-ink);
}
.strategy:last-child { border-right: none; }
.strategy .icon {
  width: 48px; height: 48px;
  background: var(--c-ink);
  color: var(--c-accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--f-mono);
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 16px;
}
.strategy h3 { margin-bottom: 12px; }
.strategy p { font-size: 0.92rem; line-height: 1.6; }
.strategy .pick {
  margin-top: 16px;
  padding: 10px 0;
  border-top: 2px solid var(--c-ink);
  font-family: var(--f-mono);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
}
.strategy .pick span { color: var(--c-accent); }

/* === Disclosure / risk sections === */
.callout {
  padding: 24px;
  margin: 32px 0;
  border: 3px solid var(--c-ink);
  background: var(--c-paper);
}
.callout.warn {
  background: #fff8e1;
  border-color: var(--c-warn);
}
.callout.danger {
  background: #fff1f0;
  border-color: var(--c-accent);
}
.callout strong { display: block; margin-bottom: 8px; font-family: var(--f-mono); text-transform: uppercase; font-size: 0.85rem; }

/* === Footer === */
.site-footer {
  background: var(--c-ink);
  color: var(--c-paper);
  padding: 60px 0 30px;
  font-family: var(--f-mono);
  font-size: 0.85rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 32px;
  margin-bottom: 32px;
}
.footer-grid h4 {
  color: var(--c-accent);
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  margin-bottom: 16px;
}
.footer-grid a {
  color: #bbb;
  display: block;
  padding: 4px 0;
  font-size: 0.82rem;
}
.footer-grid a:hover { color: var(--c-paper); }
.footer-bottom {
  border-top: 1px solid #333;
  padding-top: 24px;
  font-size: 0.75rem;
  color: #888;
  line-height: 1.6;
}

/* === Article === */
.article {
  max-width: 760px;
  margin: 0 auto;
  padding: 60px 24px;
  background: var(--c-paper);
}
.article header {
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 3px solid var(--c-ink);
}
.article .breadcrumb {
  font-family: var(--f-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-muted);
  margin-bottom: 16px;
}
.article .meta {
  font-family: var(--f-mono);
  font-size: 0.78rem;
  color: var(--c-muted);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 16px;
}
.article h2 { margin: 40px 0 16px; padding-bottom: 8px; border-bottom: 2px solid var(--c-ink); }
.article h3 { margin: 24px 0 12px; }
.article ul, .article ol { padding-left: 1.5em; margin-bottom: 16px; }
.article ul li, .article ol li { margin-bottom: 8px; }
.article a:not(.btn):not(.cta-btn) { color: var(--c-accent); border-bottom: 1px solid var(--c-accent); }
.article code {
  font-family: var(--f-mono);
  background: var(--c-bg-soft);
  padding: 2px 6px;
  font-size: 0.88em;
  border: 1px solid var(--c-ink);
}

/* === Mobile === */
@media (max-width: 720px) {
  .hero { padding: 48px 0 36px; }
  .section { padding: 48px 0; }
  .section-title { flex-direction: column; gap: 8px; }
  .section-title .meta { margin-left: 0; }
  .verdict-grid, .strategy-grid { grid-template-columns: 1fr; }
  .verdict, .strategy { border-right: none; }
  .fr-table { font-size: 0.78rem; }
  .fr-table th, .fr-table td { padding: 8px 10px; }
}

/* ============================================================
   Language Switcher + Soft Language Hint (added 2026-05-12)
   ============================================================ */

/* Right-side language switcher in nav */
.lang-switch {
  display: inline-flex;
  gap: 2px;
  margin-left: 16px;
  padding: 3px;
  background: rgba(0,0,0,0.05);
  border: 2px solid var(--c-ink);
  border-radius: 0;
}
.lang-switch a {
  display: inline-block;
  padding: 4px 9px;
  font-family: var(--f-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--c-muted);
  text-decoration: none;
  transition: all 0.15s;
}
.lang-switch a:hover { color: var(--c-ink); background: var(--c-paper); }
.lang-switch a.active {
  background: var(--c-ink);
  color: var(--c-paper);
}

/* Soft language hint banner (top of page) */
.lang-hint {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 12px 20px;
  background: var(--c-ink);           /* 改为黑色，避免 Safari/Chrome 把整个浏览器 chrome 染红 */
  color: var(--c-paper);
  font-family: var(--f-mono);
  font-size: 0.88rem;
  font-weight: 600;
  border-bottom: 3px solid var(--c-accent);   /* 用红色细边点缀，保留品牌色 */
  box-shadow: 0 4px 0 rgba(0,0,0,0.15);
}
.lang-hint[hidden] { display: none; }
.lang-hint button {
  font-family: var(--f-mono);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 6px 14px;
  cursor: pointer;
  border: 2px solid var(--c-paper);
  background: var(--c-paper);
  color: var(--c-ink);
  transition: all 0.15s;
}
.lang-hint button:hover { background: var(--c-ink); color: var(--c-paper); }
.lang-hint button#lang-hint-dismiss {
  background: transparent;
  color: var(--c-paper);
  border: none;
  font-size: 1.2rem;
  padding: 4px 10px;
  font-weight: 800;
}
.lang-hint button#lang-hint-dismiss:hover { background: rgba(0,0,0,0.2); color: var(--c-paper); }

/* Mobile: stack switcher below nav links */
@media (max-width: 768px) {
  .lang-switch {
    margin-left: 0;
    margin-top: 8px;
    width: 100%;
    justify-content: center;
  }
  .lang-hint {
    flex-direction: column;
    gap: 8px;
    padding: 10px 16px;
    font-size: 0.8rem;
  }
  .lang-hint button { width: 100%; }
}

/* RTL safety: not needed for uk/ro/pl but keep for future */
html[dir="rtl"] .lang-switch { flex-direction: row-reverse; }