/* ============================================================
   Aurent Pro — 版式层（与 t1 同族：相同类名，紧凑专业排布）
   ============================================================ */

/* ---------- 顶栏 ---------- */
.nav { position: sticky; top: 0; z-index: 20; background: rgba(13,16,19,.88); backdrop-filter: blur(12px) saturate(140%); border-bottom: 1px solid var(--line-2); }
.nav-in { display: flex; align-items: center; gap: clamp(12px, 2.6vw, 30px); height: 58px; }
.brand { font-family: var(--font-display); font-size: 18px; font-weight: 700; letter-spacing: .02em; white-space: nowrap; }
.brand em { font-style: normal; color: var(--blue); }
.nav-links { display: flex; gap: 22px; font-size: 13.5px; color: var(--fg-2); }
.nav-links a:hover { color: var(--fg); }
.nav-act { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.lang-btn { padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; font-family: var(--font-mono); font-size: 11.5px; color: var(--fg-2); }
.lang-btn:hover { border-color: var(--lime); color: var(--lime); }
.nav .btn { padding: 8px 16px; font-size: 13px; }

/* ---------- Hero ---------- */
.hero { padding: clamp(44px, 6vw, 76px) 0 clamp(30px, 4vw, 48px); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(28px, 4.4vw, 56px); align-items: center; }
.hero h1 { margin-top: 16px; font-size: clamp(32px, 4.6vw, 52px); letter-spacing: -.03em; }
.hero h1 i { font-style: normal; color: var(--blue); }
.hero-lede { margin-top: 16px; max-width: 44ch; color: var(--fg-2); font-size: 15.5px; }
.hero-act { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 26px; padding-top: 18px; border-top: 1px solid var(--line-2); font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .04em; color: var(--fg-3); }
.hero-trust span { display: inline-flex; align-items: center; gap: 7px; }
.hero-trust span::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--lime); opacity: .8; }

/* ---------- 汇率面板 ---------- */
.rate-panel { padding: 18px 18px 10px; }
.rate-head { display: flex; align-items: baseline; justify-content: space-between; padding-bottom: 12px; border-bottom: 1px solid var(--line-2); }
.rate-head h3 { font-size: 14.5px; }
.rate-head span { font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em; color: var(--fg-3); }
.rate-row { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--line-2); }
.rate-row:last-child { border-bottom: 0; }
.rate-pair { display: flex; align-items: center; gap: 9px; font-size: 13.5px; font-weight: 600; }
.rate-dot { width: 24px; height: 24px; border-radius: 7px; display: grid; place-items: center; font-family: var(--font-mono); font-size: 10px; font-weight: 700; color: #06121f; background: linear-gradient(140deg, var(--blue), #79b0ff); }
.rate-pair small { display: block; font-size: 10px; font-weight: 400; letter-spacing: .05em; color: var(--fg-3); }
.rate-val { font-family: var(--font-mono); font-size: 14.5px; font-variant-numeric: tabular-nums; }
.rate-chg { min-width: 58px; text-align: right; font-family: var(--font-mono); font-size: 12.5px; font-weight: 600; font-variant-numeric: tabular-nums; }
.is-up { color: var(--up); } .is-down { color: var(--down); }
.rate-foot { padding: 10px 0 6px; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .05em; color: var(--fg-3); }

/* ---------- 数据条 ---------- */
.stats { padding: 8px 0 clamp(36px, 5vw, 54px); }
.stats-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line-2); border: 1px solid var(--line-2); border-radius: var(--r-md); overflow: hidden; }
.stat { padding: 20px var(--gut); background: rgba(255,255,255,.018); }
.stat b { display: block; font-family: var(--font-mono); font-size: clamp(24px, 3vw, 32px); font-weight: 600; letter-spacing: -.02em; }
.stat span { display: block; margin-top: 6px; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--fg-3); }

/* ---------- 能力区 ---------- */
.features { padding: clamp(26px, 4vw, 44px) 0 clamp(44px, 6vw, 72px); }
.features h2 { font-size: clamp(24px, 3vw, 34px); letter-spacing: -.026em; }
.features-lede { margin-top: 12px; max-width: 52ch; font-size: 15px; color: var(--fg-2); }
.feat-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(14px, 2vw, 20px); margin-top: 32px; }
.feat { padding: 24px 22px 26px; border: 1px solid var(--line); border-radius: var(--r-lg); background: linear-gradient(166deg, var(--bg-2), var(--bg-3)); transition: transform .2s ease, border-color .2s ease; }
.feat:hover { transform: translateY(-3px); border-color: rgba(61,139,253,.5); }
.feat-n { font-family: var(--font-mono); font-size: 11px; letter-spacing: .16em; color: var(--blue); }
.feat h3 { margin-top: 12px; font-size: 18px; }
.feat p { margin-top: 10px; font-size: 14px; color: var(--fg-2); }

/* ---------- CTA ---------- */
.cta { padding-bottom: clamp(46px, 6vw, 80px); }
.cta-box { position: relative; overflow: hidden; padding: clamp(28px, 4vw, 46px); display: grid; grid-template-columns: minmax(0, 1.3fr) auto; align-items: center; gap: 26px; }
.cta-box::after { content: ""; position: absolute; right: -110px; top: -110px; width: 320px; height: 320px; border-radius: 50%; background: radial-gradient(circle, rgba(61,139,253,.22), transparent 68%); pointer-events: none; }
.cta-box h2 { font-size: clamp(22px, 2.8vw, 30px); }
.cta-box p { margin-top: 11px; font-size: 14.5px; color: var(--fg-2); max-width: 46ch; }

/* ---------- 页脚 ---------- */
.foot { border-top: 1px solid var(--line-2); background: rgba(255,255,255,.014); padding: clamp(30px, 4vw, 46px) 0 32px; }
.foot-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, .8fr)); gap: 28px; }
.foot h4 { margin: 0 0 11px; font-family: var(--font-mono); font-size: 11px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--fg); }
.foot ul { list-style: none; margin: 0; padding: 0; }
.foot li + li { margin-top: 8px; }
.foot a { font-size: 13.5px; color: var(--fg-2); }
.foot a:hover { color: var(--blue); }
.foot-brand p { margin-top: 11px; max-width: 32ch; font-size: 13px; color: var(--fg-3); }
.foot-legal { margin-top: 32px; padding-top: 18px; border-top: 1px solid var(--line-2); display: flex; flex-wrap: wrap; gap: 10px 24px; justify-content: space-between; font-family: var(--font-mono); font-size: 11.5px; color: var(--fg-3); }
.foot-note { max-width: 76ch; margin-top: 13px; font-size: 11.5px; line-height: 1.75; color: var(--fg-3); }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .feat-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .cta-box { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
}
@media (max-width: 560px) {
  .foot-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: clamp(28px, 8.6vw, 38px); }
  .stat { padding: 18px var(--gut); }
}