/* ============================================================
   CardCompass 营销官网 — Apple 级深色高端风
   ============================================================ */

:root {
  --bg: #050507;
  --bg-soft: #0c0c10;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-2: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #f5f5f7;
  --text-dim: rgba(245, 245, 247, 0.56);
  --text-faint: rgba(245, 245, 247, 0.34);
  --accent-1: #6e8bff;
  --accent-2: #a96bff;
  --accent-3: #ff6bd5;
  --gold-1: #f3cd7c;
  --gold-2: #c89a4b;
  --red: #ff5d5d;
  --orange: #ffa94d;
  --green: #4ed98c;
  --grad-main: linear-gradient(100deg, var(--accent-1), var(--accent-2) 50%, var(--accent-3));
  --grad-gold: linear-gradient(100deg, #f7dfae, var(--gold-1) 40%, var(--gold-2));
  --grad-red: linear-gradient(100deg, #ff8a5c, #ff5d7e);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --ease-spring: cubic-bezier(0.32, 0.72, 0.22, 1);
  --nav-h: 60px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 12px); overflow-x: clip; max-width: 100%; }
/* overflow:clip 不支持的旧浏览器(iOS<16)兜底，防横向滑动 */
@supports not (overflow: clip) { html, body { overflow-x: hidden; } }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

::selection { background: rgba(169, 107, 255, 0.35); }

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* ---- 通用排版 ---- */
h1, h2, h3 { font-weight: 640; letter-spacing: -0.022em; text-wrap: balance; }
h2 { font-size: clamp(28px, 3.7vw, 44px); line-height: 1.1; }
h3 { font-size: 21px; letter-spacing: -0.01em; }

.grad { background: var(--grad-main); -webkit-background-clip: text; background-clip: text; color: transparent; }
.grad-gold { background: var(--grad-gold); -webkit-background-clip: text; background-clip: text; color: transparent; }
.grad-red { background: var(--grad-red); -webkit-background-clip: text; background-clip: text; color: transparent; }
.dim { color: var(--text-faint); }

.kicker {
  font-size: 14px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  background: var(--grad-main); -webkit-background-clip: text; background-clip: text; color: transparent;
  margin-bottom: 18px;
}
.lead { font-size: clamp(17px, 1.6vw, 20px); color: var(--text-dim); margin-top: 22px; max-width: 56ch; }
.lead.center { margin-left: auto; margin-right: auto; }

.checklist { list-style: none; margin-top: 30px; display: grid; gap: 14px; }
.checklist li {
  position: relative; padding-left: 32px; color: var(--text-dim); font-size: 16px;
}
.checklist li::before {
  content: "✓"; position: absolute; left: 0; top: -1px;
  width: 21px; height: 21px; border-radius: 50%;
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--green); font-size: 12px; font-weight: 700;
  display: grid; place-items: center;
}

/* ---- 按钮 ---- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  border: none; border-radius: 980px; font-weight: 600;
  transition: transform 0.35s var(--ease-spring), box-shadow 0.35s, background 0.3s, opacity 0.3s;
  will-change: transform;
}
.btn:hover { transform: translateY(-2px) scale(1.02); }
.btn:active { transform: translateY(0) scale(0.98); }
.btn-primary {
  background: var(--text); color: #0a0a0c;
  box-shadow: 0 8px 32px rgba(255, 255, 255, 0.12);
}
.btn-primary:hover { box-shadow: 0 14px 44px rgba(255, 255, 255, 0.2); }
.btn-ghost {
  background: var(--surface); color: var(--text);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(12px);
}
.btn-ghost:hover { background: var(--surface-2); }
.btn-gold {
  background: var(--grad-gold); color: #2a1d05;
  box-shadow: 0 10px 40px rgba(240, 196, 108, 0.25);
}
.btn-large { padding: 16px 30px; font-size: 17px; }
.btn-small { padding: 9px 18px; font-size: 14px; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background 0.4s, border-color 0.4s, backdrop-filter 0.4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(8, 8, 11, 0.72);
  backdrop-filter: blur(20px) saturate(1.6);
  -webkit-backdrop-filter: blur(20px) saturate(1.6);
  border-bottom-color: var(--border);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; height: var(--nav-h);
  padding: 0 28px; display: flex; align-items: center; gap: 32px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; letter-spacing: -0.02em; }
.nav-logo img { width: 28px; height: 28px; border-radius: 7px; }
.nav-links { display: flex; gap: 28px; margin: 0 auto; }
.nav-links a {
  font-size: 14px; color: var(--text-dim); font-weight: 500;
  transition: color 0.25s;
}
.nav-links a:hover { color: var(--text); }
.nav-actions { display: flex; align-items: center; gap: 14px; }
.lang-switch {
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text-dim); border-radius: 980px; padding: 7px 14px;
  font-size: 13px; font-weight: 600; transition: all 0.25s;
}
.lang-switch:hover { color: var(--text); border-color: var(--border-strong); }

/* 汉堡按钮（手机端导航，桌面隐藏） */
.nav-burger {
  display: none; width: 40px; height: 40px; padding: 0;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 11px;
  transition: border-color 0.25s;
}
.nav-burger span { display: block; width: 18px; height: 1.6px; background: var(--text); border-radius: 2px; transition: transform 0.3s var(--ease-spring), opacity 0.2s; }
.nav-burger.open span:nth-child(1) { transform: translateY(6.6px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-6.6px) rotate(-45deg); }

/* 移动端展开菜单 */
.nav-mobile {
  position: fixed; top: var(--nav-h); left: 0; right: 0; z-index: 90;
  display: flex; flex-direction: column; gap: 2px;
  padding: 14px 20px calc(22px + env(safe-area-inset-bottom));
  background: rgba(5, 5, 7, 0.94);
  backdrop-filter: saturate(180%) blur(22px); -webkit-backdrop-filter: saturate(180%) blur(22px);
  border-bottom: 1px solid var(--border);
  max-height: calc(100svh - var(--nav-h)); overflow-y: auto;
  transform: translateY(-14px); opacity: 0; visibility: hidden;
  transition: opacity 0.28s var(--ease-spring), transform 0.28s var(--ease-spring), visibility 0.28s;
}
.nav-mobile.open { transform: translateY(0); opacity: 1; visibility: visible; }
.nm-link { padding: 13px 10px; font-size: 17px; font-weight: 500; color: var(--text-dim); border-radius: 12px; transition: color 0.2s, background 0.2s; }
.nm-link:active { color: var(--text); background: var(--surface); }
.nm-divider { height: 1px; background: var(--border); margin: 9px 4px; }
.nm-cta { margin-top: 14px; justify-content: center; padding: 15px; font-size: 16px; }
/* 导航 Features 悬停下拉 */
.nav-dd { position: relative; display: inline-flex; align-items: center; gap: 4px; }
.nav-dd-trigger { font-size: 14px; color: var(--text-dim); font-weight: 500; cursor: default; transition: color 0.25s; }
.nav-dd-caret { font-size: 9px; color: var(--text-dim); transition: transform 0.3s var(--ease-spring), color 0.25s; }
.nav-dd:hover .nav-dd-trigger, .nav-dd:hover .nav-dd-caret { color: var(--text); }
.nav-dd:hover .nav-dd-caret { transform: rotate(180deg); }
.nav-dd-menu { position: absolute; top: 100%; left: 50%; transform: translateX(-50%); padding-top: 14px; opacity: 0; visibility: hidden; transition: opacity 0.25s, visibility 0.25s; }
.nav-dd:hover .nav-dd-menu { opacity: 1; visibility: visible; }
.nav-dd-panel { width: 326px; background: rgba(18,18,22,0.94); backdrop-filter: blur(22px) saturate(1.6); -webkit-backdrop-filter: blur(22px) saturate(1.6); border: 1px solid var(--border); border-radius: 18px; padding: 8px; display: grid; gap: 2px; box-shadow: 0 24px 60px rgba(0,0,0,0.55); }
.dd-item { display: flex; align-items: center; gap: 13px; padding: 10px 12px; border-radius: 12px; transition: background 0.2s; }
.dd-item:hover { background: var(--surface-2); }
.dd-ico { width: 38px; height: 38px; flex-shrink: 0; border-radius: 11px; background: rgba(255,255,255,0.05); border: 1px solid var(--border); display: grid; place-items: center; color: #aebcff; }
.dd-ico svg { width: 19px; height: 19px; }
.dd-text { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.dd-title { font-size: 14px; font-weight: 600; color: var(--text); letter-spacing: -0.01em; }
.dd-desc { font-size: 12px; color: var(--text-faint); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative; min-height: 90svh;
  display: flex; flex-direction: column; align-items: center;
  padding: calc(var(--nav-h) + clamp(6px, 1.5vh, 20px)) 24px clamp(80px, 11vh, 128px);
  overflow: visible;
}
.hero-glow {
  position: absolute; border-radius: 50%; filter: blur(120px);
  opacity: 0.5; pointer-events: none; animation: glowDrift 14s ease-in-out infinite alternate;
}
.hero-glow-1 {
  width: 720px; height: 720px; top: -260px; left: 50%; margin-left: -560px;
  background: radial-gradient(circle, rgba(110, 139, 255, 0.35), transparent 65%);
}
.hero-glow-2 {
  width: 640px; height: 640px; top: -160px; left: 50%; margin-left: 60px;
  background: radial-gradient(circle, rgba(255, 107, 213, 0.22), transparent 65%);
  animation-delay: -7s;
}
@keyframes glowDrift {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(60px, 40px) scale(1.12); }
}

.hero-inner { position: relative; text-align: center; max-width: 980px; z-index: 2; }
.eyebrow {
  display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--text-dim);
  border: 1px solid var(--border); border-radius: 980px; padding: 8px 18px;
  background: var(--surface);
  margin-bottom: 30px;
}
.hero-title {
  font-size: clamp(40px, 6.2vw, 76px);
  line-height: 1.04; letter-spacing: -0.028em; font-weight: 660;
}
.hero-sub {
  font-size: clamp(17px, 2vw, 21px); color: var(--text-dim);
  max-width: 62ch; margin: 28px auto 0;
}
.hero-cta { display: flex; gap: 16px; justify-content: center; margin-top: 38px; flex-wrap: wrap; }

/* —— 真卡 3D 扇形 —— */
.hero-fan {
  position: relative; z-index: 1;
  width: min(1100px, 96vw); height: clamp(212px, 28vw, 348px);
  margin-top: clamp(2px, 0.5vh, 12px);
  perspective: 1400px; pointer-events: none;
}
.fan-card {
  --spread: clamp(108px, 10.4vw, 142px);
  position: absolute; left: 50%; bottom: 0;
  width: clamp(210px, 24vw, 300px); aspect-ratio: 1.586;
  margin-left: calc(clamp(210px, 24vw, 300px) / -2);
  transform-origin: 50% 130%;
  transform: translateX(calc(var(--i) * var(--spread)))
             rotate(calc(var(--i) * 6.5deg))
             translateY(calc(var(--i) * var(--i) * 7px));
  transition: transform 1.1s var(--ease-spring);
  opacity: 0;
  animation: fanIn 1s var(--ease-spring) forwards;
  animation-delay: calc(0.35s + (var(--i) + 3) * 0.08s);
  z-index: calc(10 - max(var(--i), calc(0 - var(--i))));
}
@keyframes fanIn {
  from { opacity: 0; transform: translateX(0) rotate(0deg) translateY(60px); }
  to {
    opacity: 1;
    transform: translateX(calc(var(--i) * var(--spread)))
               rotate(calc(var(--i) * 6.5deg))
               translateY(calc(var(--i) * var(--i) * 7px));
  }
}
.fan-card img {
  width: 100%; height: 100%; object-fit: cover; border-radius: 14px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.65), 0 4px 14px rgba(0, 0, 0, 0.5);
  outline: 1px solid rgba(255, 255, 255, 0.12); outline-offset: -1px;
}
/* C 位卡——去掉金边，仅保留一道中性白描边让黑卡边缘可辨 */
.fan-hero img {
  outline-color: rgba(255, 255, 255, 0.22);
  box-shadow: 0 26px 64px rgba(0, 0, 0, 0.72), 0 4px 14px rgba(0, 0, 0, 0.5);
}
/* 扇形卡完整展示——原 ::after 渐隐遮罩会盖住卡片肩部形成黑带，已移除 */

.scroll-cue {
  position: relative; z-index: 3; margin: -8px 0 26px;
  width: 26px; height: 42px; border: 1.5px solid var(--border-strong); border-radius: 14px;
}
.scroll-cue span {
  position: absolute; left: 50%; top: 8px; width: 3px; height: 8px; margin-left: -1.5px;
  border-radius: 2px; background: var(--text-dim);
  animation: cueDrop 1.8s ease-in-out infinite;
}
@keyframes cueDrop {
  0% { transform: translateY(0); opacity: 1; }
  70% { transform: translateY(14px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

/* ============================================================
   MARQUEE 卡墙
   ============================================================ */
.marquee-section {
  padding: clamp(104px, 15vh, 176px) 0 0;
  display: grid; grid-template-columns: minmax(0, 1fr); gap: 22px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 9%, #000 91%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 9%, #000 91%, transparent);
}
.marquee { overflow: clip; overflow-clip-margin: 24px; }
.marquee-track {
  display: flex; gap: 22px; width: max-content;
  animation: marquee 64s linear infinite;
}
.marquee-reverse .marquee-track { animation-direction: reverse; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.mq-card {
  width: 188px; aspect-ratio: 1.586; flex-shrink: 0;
  border-radius: 12px; overflow: hidden;
  outline: 1px solid rgba(255, 255, 255, 0.1); outline-offset: -1px;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.5);
  transition: transform 0.45s var(--ease-spring), box-shadow 0.45s;
}
.mq-card:hover { transform: translateY(-7px) scale(1.06); box-shadow: 0 22px 48px rgba(0, 0, 0, 0.7); }
.mq-card img { width: 100%; height: 100%; object-fit: cover; }

/* ============================================================
   数字带
   ============================================================ */
.stats { padding: clamp(80px, 12vh, 150px) 24px; }
.stats-head { max-width: 820px; margin: 0 auto clamp(44px, 6.5vh, 76px); text-align: center; }
.stats-lead { font-size: clamp(26px, 3.6vw, 42px); font-weight: 640; letter-spacing: -0.025em; line-height: 1.2; }
.stats-sub { font-size: 13px; color: var(--text-faint); letter-spacing: 0.1em; text-transform: uppercase; margin-top: 16px; }
.stats-grid {
  max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px;
}
.stat { text-align: center; }
.stat-num {
  font-size: clamp(34px, 4.2vw, 54px); font-weight: 660; letter-spacing: -0.03em;
  background: var(--grad-main); -webkit-background-clip: text; background-clip: text; color: transparent;
  font-variant-numeric: tabular-nums;
}
.stat-label { color: var(--text-dim); font-size: 15px; margin-top: 6px; }

/* ============================================================
   FEATURE 双栏布局
   ============================================================ */
.feature { padding: clamp(90px, 13vh, 170px) 28px; }
.feature-inner {
  max-width: 1180px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(48px, 6vw, 96px);
  align-items: center;
}
.feature-alt { background: linear-gradient(180deg, transparent, rgba(255,255,255,0.018) 18%, rgba(255,255,255,0.018) 82%, transparent); }
.feature-visual { display: flex; justify-content: center; }

/* ============================================================
   iPhone MOCKUP
   ============================================================ */
.phone {
  width: clamp(290px, 26vw, 330px); aspect-ratio: 0.487;
  border-radius: 54px; padding: 11px;
  background: linear-gradient(160deg, #3c3c42, #17171b 38%, #2c2c32);
  box-shadow:
    0 40px 100px rgba(0, 0, 0, 0.72),
    0 0 0 1px rgba(255, 255, 255, 0.07),
    inset 0 0 4px rgba(255, 255, 255, 0.18);
  position: relative;
}
.phone-screen {
  width: 100%; height: 100%; border-radius: 44px; overflow: hidden;
  background: #0a0a0e;
  display: flex; flex-direction: column;
  position: relative;
}
.app-statusbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 24px 6px; font-size: 13px; font-weight: 600; color: var(--text);
}
.app-island {
  width: 88px; height: 26px; background: #000; border-radius: 14px;
  position: absolute; left: 50%; top: 11px; transform: translateX(-50%);
}
.app-header { padding: 16px 20px 10px; }
.app-date { font-size: 12px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-faint); }
.app-h1 { font-size: 30px; font-weight: 760; letter-spacing: -0.03em; margin-top: 2px; }

.app-brief {
  margin: 6px 14px 12px; padding: 12px 14px; border-radius: 16px;
  background: linear-gradient(120deg, rgba(110, 139, 255, 0.14), rgba(255, 107, 213, 0.1));
  border: 1px solid rgba(150, 130, 255, 0.22);
  display: flex; gap: 10px; align-items: flex-start;
}
.app-brief-dot { font-size: 15px; color: #b9a4ff; }
.app-brief-title { font-size: 12px; font-weight: 700; color: #c9b8ff; letter-spacing: 0.04em; }
.app-brief-text { font-size: 12.5px; color: var(--text-dim); line-height: 1.45; margin-top: 3px; }

.app-row {
  display: flex; align-items: center; gap: 11px;
  margin: 0 14px 9px; padding: 11px 12px; border-radius: 16px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.05);
}
.app-row.urgent-red { border-color: rgba(255, 93, 93, 0.3); background: rgba(255, 93, 93, 0.07); }
.app-row.urgent-orange { border-color: rgba(255, 169, 77, 0.22); background: rgba(255, 169, 77, 0.055); }
.app-card-thumb {
  width: 44px; aspect-ratio: 1.586; object-fit: cover; border-radius: 5px;
  outline: 1px solid rgba(255, 255, 255, 0.14); outline-offset: -1px;
}
.app-row-main { flex: 1; min-width: 0; }
.app-row-title { font-size: 13.5px; font-weight: 650; letter-spacing: -0.01em; }
.app-row-sub { font-size: 11px; color: var(--text-faint); margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.t-red { color: var(--red); font-weight: 700; }
.t-orange { color: var(--orange); font-weight: 700; }
.app-row-amt { font-size: 14px; font-weight: 740; font-variant-numeric: tabular-nums; }
.app-bar {
  height: 4px; border-radius: 2px; background: rgba(255, 255, 255, 0.09);
  margin-top: 7px; overflow: hidden;
}
.app-bar i {
  display: block; height: 100%; border-radius: 2px; width: var(--p, 0%);
  transition: width 1.2s var(--ease-spring) 0.4s;
}
.bar-red { background: var(--grad-red); }
.bar-orange { background: linear-gradient(90deg, #ffc46b, #ff9a4d); }
.bar-blue { background: var(--grad-main); }
.bar-gray { background: rgba(255, 255, 255, 0.25); }

/* 进度条入场前归零（JS 加 .bars-armed 后才放开） */
.phone .app-bar i { width: 0; }
.phone.bars-armed .app-bar i { width: var(--p, 0%); }

/* —— 今日机会行：右侧 pill + 状态双行（复刻 App 截图） —— */
.opp-right { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; flex-shrink: 0; }
.opp-pill {
  font-size: 10.5px; font-weight: 750; padding: 3px 9px; border-radius: 980px;
  font-variant-numeric: tabular-nums; white-space: nowrap;
}
.pill-red { color: #ff8a80; background: rgba(255, 69, 58, 0.16); border: 1px solid rgba(255, 69, 58, 0.3); }
.pill-orange { color: #ffc46b; background: rgba(255, 159, 10, 0.14); border: 1px solid rgba(255, 159, 10, 0.3); }
.pill-blue { color: #8ab8ff; background: rgba(10, 132, 255, 0.16); border: 1px solid rgba(10, 132, 255, 0.32); }
.pill-green { color: #6fe3a1; background: rgba(50, 215, 75, 0.13); border: 1px solid rgba(50, 215, 75, 0.28); }
.pill-gray { color: var(--text-dim); background: rgba(255, 255, 255, 0.07); border: 1px solid rgba(255, 255, 255, 0.12); }
.opp-status { font-size: 11.5px; font-weight: 700; font-variant-numeric: tabular-nums; white-space: nowrap; }
.t-green { color: var(--green); }
.t-blue { color: #6aa9ff; }
/* 转点条目的品牌字母方块（ANA / SQ 等，无卡面可用） */
.app-brand-thumb {
  width: 44px; aspect-ratio: 1.586; border-radius: 5px; flex-shrink: 0;
  display: grid; place-items: center;
  background: linear-gradient(150deg, color-mix(in srgb, var(--bc) 88%, #fff 12%), var(--bc));
  color: #fff; font-size: 11px; font-weight: 800; letter-spacing: 0.04em;
  outline: 1px solid rgba(255, 255, 255, 0.16); outline-offset: -1px;
}

/* ============================================================
   美卡情报 INTEL
   ============================================================ */
.intel-head {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 14px 16px 12px;
}
.intel-icon {
  width: 38px; height: 38px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(140deg, #2f7bff, #0a4fd6);
  display: grid; place-items: center; font-size: 17px;
}
.intel-head-main { flex: 1; min-width: 0; }
.intel-title { font-size: 16.5px; font-weight: 760; letter-spacing: -0.02em; }
.intel-digest { font-size: 11.5px; color: var(--text-dim); line-height: 1.5; margin-top: 4px; }
.intel-card {
  margin: 0 12px 10px; padding: 12px 13px; border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.07);
}
.intel-chips { display: flex; gap: 6px; flex-wrap: wrap; }
.ichip {
  font-size: 9.8px; font-weight: 750; padding: 3px 8px; border-radius: 7px;
  display: inline-flex; align-items: center; gap: 3px; white-space: nowrap;
}
.ichip-red { color: #ff8a80; background: rgba(255, 69, 58, 0.14); border: 1px solid rgba(255, 69, 58, 0.3); }
.ichip-orange { color: #ffc46b; background: rgba(255, 159, 10, 0.13); border: 1px solid rgba(255, 159, 10, 0.28); }
.ichip-blue { color: #8ab8ff; background: rgba(10, 132, 255, 0.14); border: 1px solid rgba(10, 132, 255, 0.3); }
.ichip-gray { color: var(--text-dim); background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.1); }
.intel-card-title { font-size: 13.5px; font-weight: 720; letter-spacing: -0.01em; line-height: 1.35; margin-top: 9px; }
.intel-card-body { font-size: 11.5px; color: var(--text-dim); line-height: 1.5; margin-top: 6px; }
.intel-card-action { font-size: 11.5px; color: #6aa9ff; font-weight: 600; margin-top: 6px; }
.intel-conf { display: flex; align-items: center; gap: 7px; margin-top: 10px; }
.conf-shield { font-size: 11px; }
.conf-bar {
  width: 64px; height: 5px; border-radius: 3px; overflow: hidden;
  background: rgba(255, 255, 255, 0.1);
}
.conf-bar i { display: block; height: 100%; width: var(--c, 70%); border-radius: 3px; background: linear-gradient(90deg, #35c768, #6fe3a1); }
.conf-label { font-size: 10.5px; color: var(--green); font-weight: 700; }

/* ============================================================
   WALLET 交互堆叠
   ============================================================ */
.wallet-demo { width: min(360px, 88vw); }
.demo-hint {
  text-align: center; font-size: 13px; color: var(--text-faint);
  margin-bottom: 18px; letter-spacing: 0.02em;
}
.wallet-stack { position: relative; }
.w-card {
  position: relative; width: 100%; aspect-ratio: 1.586;
  cursor: pointer;
  margin-top: calc(-1 * (100% / 1.586) + 64px);
  transition: transform 0.55s var(--ease-spring), margin 0.55s var(--ease-spring);
  will-change: transform, margin;
}
.w-card:first-child { margin-top: 0; }
.w-art {
  width: 100%; height: 100%; border-radius: 18px; overflow: hidden;
  box-shadow: 0 -8px 28px rgba(0, 0, 0, 0.45);
  outline: 1px solid rgba(255, 255, 255, 0.12); outline-offset: -1px;
  transition: box-shadow 0.4s;
}
.w-art img { width: 100%; height: 100%; object-fit: cover; }
.w-card:hover { transform: translateY(-6px); }
.w-card.expanded { margin-bottom: 295px; transform: none; z-index: 5; }
.w-card.expanded .w-art { box-shadow: 0 26px 70px rgba(0, 0, 0, 0.75); }
.w-card.expanded:hover { transform: none; }
/* 展开时的权益详情浮层 */
.w-detail {
  position: absolute; left: 0; right: 0; top: calc(100% + 12px);
  border-radius: 16px; padding: 14px 16px;
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid var(--border);
  backdrop-filter: blur(14px);
  opacity: 0; transform: translateY(-8px); pointer-events: none;
  transition: opacity 0.4s 0.18s, transform 0.45s var(--ease-spring) 0.18s;
}
.w-card.expanded .w-detail { opacity: 1; transform: none; }
.w-detail-name { font-size: 13px; font-weight: 700; margin-bottom: 10px; display: flex; justify-content: space-between; }
.w-detail-points { color: var(--gold-1); font-variant-numeric: tabular-nums; }
.w-benefit { display: flex; align-items: center; gap: 10px; font-size: 12.5px; color: var(--text-dim); padding: 5px 0; }
.w-benefit b { color: var(--text); font-weight: 650; }
.w-benefit-bar { flex: 1; height: 4px; border-radius: 2px; background: rgba(255,255,255,0.1); overflow: hidden; }
.w-benefit-bar i { display: block; height: 100%; background: var(--grad-main); border-radius: 2px; }
.w-benefit-amt { font-variant-numeric: tabular-nums; font-weight: 650; color: var(--text); }

/* ============================================================
   ENGINE 推荐引擎
   ============================================================ */
.engine { padding: clamp(90px, 13vh, 170px) 28px; text-align: center; }
.engine-head { max-width: 880px; margin: 0 auto; }
.engine-formula {
  display: flex; align-items: stretch; justify-content: center; gap: 12px;
  max-width: 860px; margin: 54px auto 0; flex-wrap: wrap;
}
.f-part {
  flex: var(--w); min-width: 130px;
  border: 1px solid var(--border); border-radius: 18px;
  background: var(--surface); padding: 18px 12px;
  display: flex; flex-direction: column; gap: 3px;
}
.f-part b {
  font-size: 26px; font-weight: 740; letter-spacing: -0.02em;
  background: var(--grad-main); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.f-part span { font-size: 13px; color: var(--text-dim); }
.f-plus { align-self: center; color: var(--text-faint); font-size: 20px; }

.engine-demo {
  max-width: 760px; margin: 56px auto 0;
  border: 1px solid var(--border); border-radius: 28px;
  background: linear-gradient(170deg, rgba(255,255,255,0.05), rgba(255,255,255,0.015));
  padding: clamp(20px, 3.4vw, 36px);
  backdrop-filter: blur(10px);
}
.engine-chips { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.chip {
  border: 1px solid var(--border-strong); background: transparent; color: var(--text-dim);
  border-radius: 980px; padding: 10px 20px; font-size: 15px; font-weight: 600;
  transition: all 0.3s var(--ease-spring);
}
.chip:hover { color: var(--text); transform: translateY(-1px); }
.chip.active {
  background: var(--text); color: #0a0a0c; border-color: transparent;
  box-shadow: 0 6px 24px rgba(255, 255, 255, 0.16);
}
.engine-results { margin-top: 28px; display: grid; gap: 12px; }
.er-row {
  display: grid; grid-template-columns: 72px 1fr auto; gap: 16px; align-items: center;
  border-radius: 18px; padding: 13px 16px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.055);
  text-align: left;
  animation: erIn 0.6s var(--ease-spring) both;
}
.er-row:nth-child(2) { animation-delay: 0.07s; }
.er-row:nth-child(3) { animation-delay: 0.14s; }
@keyframes erIn {
  from { opacity: 0; transform: translateY(16px) scale(0.985); }
  to { opacity: 1; transform: none; }
}
.er-row.best {
  border-color: rgba(150, 130, 255, 0.42);
  background: linear-gradient(120deg, rgba(110, 139, 255, 0.12), rgba(255, 107, 213, 0.07));
  box-shadow: 0 14px 44px rgba(110, 110, 255, 0.13);
}
.er-img { width: 72px; aspect-ratio: 1.586; object-fit: cover; border-radius: 7px; outline: 1px solid rgba(255,255,255,0.14); outline-offset: -1px; }
.er-main { min-width: 0; }
.er-name { font-size: 15.5px; font-weight: 680; letter-spacing: -0.01em; display: flex; align-items: center; gap: 8px; }
.er-badge {
  font-size: 10.5px; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase;
  background: var(--grad-main); color: #fff; border-radius: 6px; padding: 2.5px 7px;
}
.er-why { font-size: 13px; color: var(--text-dim); margin-top: 3px; }
.er-score { text-align: right; }
.er-mult { font-size: 19px; font-weight: 760; font-variant-numeric: tabular-nums; }
.er-bar { width: 120px; height: 5px; border-radius: 3px; background: rgba(255,255,255,0.09); margin-top: 8px; overflow: hidden; }
.er-bar i { display: block; height: 100%; width: var(--s); background: var(--grad-main); border-radius: 3px; transition: width 0.9s var(--ease-spring); }

/* ============================================================
   POINTS 估值板
   ============================================================ */
.points-board {
  width: min(440px, 90vw); border-radius: 28px; padding: 26px;
  background: linear-gradient(165deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
  box-shadow: 0 36px 90px rgba(0, 0, 0, 0.55);
}
.points-total { display: flex; flex-direction: column; gap: 4px; padding-bottom: 20px; border-bottom: 1px solid var(--border); }
.points-total-label { font-size: 13px; color: var(--text-dim); letter-spacing: 0.04em; }
.points-total-num {
  font-size: 46px; font-weight: 760; letter-spacing: -0.03em; font-variant-numeric: tabular-nums;
  background: var(--grad-gold); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.points-meta { display: flex; align-items: center; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.ai-path-chip {
  font-size: 12px; font-weight: 700; color: #c9b8ff;
  background: rgba(150, 120, 255, 0.13); border: 1px solid rgba(150, 120, 255, 0.3);
  padding: 5px 12px; border-radius: 980px;
}
.points-accounts { font-size: 12.5px; color: var(--text-faint); }
/* 积分体系行（发卡行方块 + 缩略卡 + 余额/估值） */
.program-row {
  display: flex; align-items: center; gap: 12px; padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.program-logo {
  width: 42px; height: 42px; border-radius: 11px; flex-shrink: 0;
  display: grid; place-items: center; text-align: center;
  background: linear-gradient(150deg, color-mix(in srgb, var(--bc) 86%, #fff 14%), var(--bc));
  color: #fff; font-size: 11px; font-weight: 800; line-height: 1.05; letter-spacing: 0.02em;
}
.program-main { flex: 1; min-width: 0; }
.program-name { font-size: 14.5px; font-weight: 680; letter-spacing: -0.01em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.program-cards { display: flex; align-items: center; gap: 4px; margin-top: 6px; }
.program-cards img {
  width: 34px; aspect-ratio: 1.586; object-fit: cover; border-radius: 3.5px;
  outline: 1px solid rgba(255, 255, 255, 0.14); outline-offset: -1px;
}
.program-more { font-size: 11px; color: var(--text-faint); margin-left: 4px; white-space: nowrap; }
.program-val { text-align: right; flex-shrink: 0; }
.program-val b { display: block; font-size: 19px; font-weight: 760; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.program-val span { font-size: 12px; color: var(--text-dim); font-variant-numeric: tabular-nums; }
.points-transfer { margin-top: 18px; border-radius: 16px; padding: 14px 16px; background: rgba(110, 139, 255, 0.08); border: 1px solid rgba(110, 139, 255, 0.2); }
.pt-route { display: flex; align-items: center; gap: 10px; font-weight: 740; font-size: 15px; color: #aebcff; }
.pt-note { font-size: 12.5px; color: var(--text-dim); margin-top: 5px; }

/* ============================================================
   HQ 指挥中心（额度 / 年费 / 收益 / 账单）
   ============================================================ */
.hq { padding: clamp(90px, 13vh, 170px) 28px; text-align: center; }
.hq-grid {
  max-width: 1080px; margin: 56px auto 0;
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px; text-align: left;
}
.hq-card {
  border-radius: 28px; padding: clamp(22px, 3vw, 32px);
  background: linear-gradient(170deg, rgba(255,255,255,0.05), rgba(255,255,255,0.015));
  border: 1px solid var(--border);
  transition: transform 0.5s var(--ease-spring), border-color 0.4s;
  display: flex; flex-direction: column; gap: 16px;
}
.hq-card:hover { transform: translateY(-6px); border-color: var(--border-strong); }
.hq-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.hq-name { font-size: 13px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-dim); }
.hq-range { font-size: 12.5px; color: var(--text-faint); font-variant-numeric: tabular-nums; }
.hq-big {
  font-size: clamp(30px, 3.4vw, 40px); font-weight: 760; letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums; display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
}
.hq-big small { font-size: 16px; font-weight: 600; color: var(--text-faint); }
.hq-note { font-size: 13.5px; color: var(--text-dim); line-height: 1.5; margin-top: auto; }

/* 额度进度条 + 30/50% 刻度 */
.hq-bar { position: relative; height: 8px; border-radius: 4px; background: rgba(255, 255, 255, 0.08); }
.hq-bar-fill {
  position: absolute; inset: 0 auto 0 0; width: 0; border-radius: 4px;
  background: linear-gradient(90deg, #ffb35c, #ff8d2e);
  transition: width 1.1s var(--ease-spring) 0.25s;
}
.in-view .hq-bar-fill { width: var(--p); }
.hq-bar-mark { position: absolute; top: -3px; bottom: -3px; left: var(--at); width: 1.5px; background: rgba(240, 196, 108, 0.55); }
.hq-bar-mark.mark-red { background: rgba(255, 93, 93, 0.55); }
/* 利用率迷你曲线 */
.hq-spark { width: 100%; height: 64px; }
.spark-area { fill: rgba(90, 150, 255, 0.13); }
.spark-line {
  fill: none; stroke: #5e9bff; stroke-width: 2; stroke-linecap: round;
  stroke-dasharray: 700; stroke-dashoffset: 700;
  transition: stroke-dashoffset 1.8s ease-out 0.3s;
}
.in-view .spark-line { stroke-dashoffset: 0; }
.spark-dash { stroke: rgba(255, 93, 93, 0.4); stroke-width: 1; stroke-dasharray: 4 5; }
.hq-cols { display: flex; gap: 26px; }
.hq-cols div { display: flex; flex-direction: column; gap: 2px; }
.hq-cols span { font-size: 12px; color: var(--text-faint); }
.hq-cols b { font-size: 17px; font-weight: 740; font-variant-numeric: tabular-nums; }
.hq-cols-tight { gap: 20px; margin-top: 10px; }

/* 年费回本圆环 */
.hq-af { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.hq-ring { position: relative; width: 108px; height: 108px; flex-shrink: 0; }
.hq-ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring-track { fill: none; stroke: rgba(255, 255, 255, 0.08); stroke-width: 9; }
.ring-fill {
  fill: none; stroke: #ff9f0a; stroke-width: 9; stroke-linecap: round;
  stroke-dasharray: 251.3;
  stroke-dashoffset: 251.3;
  transition: stroke-dashoffset 1.4s var(--ease-spring) 0.35s;
}
.in-view .ring-fill { stroke-dashoffset: calc(251.3 * (1 - var(--pct) / 100)); }
.ring-label {
  position: absolute; inset: 0; display: grid; place-content: center; text-align: center;
}
.ring-label b { font-size: 22px; font-weight: 760; letter-spacing: -0.02em; }
.ring-label span { font-size: 10.5px; color: var(--text-faint); }
.hq-rowline {
  display: flex; align-items: center; gap: 10px;
  border-radius: 14px; padding: 10px 12px;
  background: rgba(255, 255, 255, 0.04); border: 1px solid rgba(255, 255, 255, 0.05);
}
.hq-rowline img { width: 40px; aspect-ratio: 1.586; object-fit: cover; border-radius: 4.5px; outline: 1px solid rgba(255,255,255,0.14); outline-offset: -1px; }
.hq-rowname { flex: 1; font-size: 13.5px; font-weight: 680; }
.hq-rowval { font-size: 12.5px; font-weight: 700; color: var(--text-dim); font-variant-numeric: tabular-nums; }

/* 净收益柱状图 */
.t-red { color: var(--red); }
.hq-bars { display: flex; gap: 12px; align-items: stretch; }
.hq-bars-axis { display: flex; flex-direction: column; justify-content: space-between; font-size: 11px; color: var(--text-faint); font-variant-numeric: tabular-nums; padding: 2px 0; }
.hq-bars-plot {
  flex: 1; height: 96px; display: flex; gap: 26px; align-items: flex-start;
  padding: 0 8px; border-top: 1px solid rgba(255, 255, 255, 0.14);
  position: relative;
}
.hq-bars-plot::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 18px;
  border-bottom: 1.5px dashed rgba(255, 255, 255, 0.16);
}
.hq-bars-plot i {
  flex: 1; max-width: 44px; height: 0; border-radius: 0 0 7px 7px;
  background: linear-gradient(180deg, #ff6b5e, #e0443d);
  transition: height 0.9s var(--ease-spring);
}
.in-view .hq-bars-plot i { height: var(--h); }
.hq-bars-plot i:nth-child(2) { transition-delay: 0.08s; }
.hq-bars-plot i:nth-child(3) { transition-delay: 0.16s; }
.hq-bars-plot i:nth-child(4) { transition-delay: 0.24s; }
.hq-chips { display: flex; gap: 8px; }
.chip-mini {
  font-size: 12.5px; font-weight: 700; padding: 6px 16px; border-radius: 980px;
  color: var(--text-dim); background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.08);
}
.chip-mini.active { color: #fff; background: #2f7bff; border-color: transparent; }

/* 账单行 */
.hq-bill {
  display: flex; align-items: center; gap: 11px;
  border-radius: 14px; padding: 10px 12px;
  background: rgba(255, 255, 255, 0.04); border: 1px solid rgba(255, 255, 255, 0.05);
}
.hq-bill img { width: 40px; aspect-ratio: 1.586; object-fit: cover; border-radius: 4.5px; outline: 1px solid rgba(255,255,255,0.14); outline-offset: -1px; }
.hq-bill-main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 1px; }
.hq-bill-main b { font-size: 13.5px; font-weight: 680; }
.hq-bill-main span { font-size: 11.5px; color: var(--text-dim); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ============================================================
   AUTO（Plaid + Email）
   ============================================================ */
.auto { padding: clamp(90px, 13vh, 170px) 28px; text-align: center; }
.auto-grid {
  max-width: 1080px; margin: 56px auto 0;
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px; text-align: left;
}
.auto-card {
  border-radius: 28px; padding: clamp(24px, 3vw, 36px);
  background: linear-gradient(170deg, rgba(255,255,255,0.05), rgba(255,255,255,0.015));
  border: 1px solid var(--border);
  transition: transform 0.5s var(--ease-spring), border-color 0.4s;
}
.auto-card:hover { transform: translateY(-6px); border-color: var(--border-strong); }
.auto-icon {
  width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center;
  font-size: 21px; background: var(--surface-2); border: 1px solid var(--border);
  margin-bottom: 20px; color: #b9c6ff;
}
.auto-card h3 { margin-bottom: 12px; }
.auto-card p { color: var(--text-dim); font-size: 15.5px; }
.auto-feed { margin-top: 24px; display: grid; gap: 9px; }
.feed-row {
  display: flex; align-items: center; gap: 10px;
  border-radius: 13px; padding: 11px 14px; font-size: 13px;
  background: rgba(255, 255, 255, 0.04); border: 1px solid rgba(255, 255, 255, 0.05);
  font-variant-numeric: tabular-nums;
}
.feed-merchant { font-weight: 650; flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.feed-amt { color: var(--text-dim); }
.feed-tag {
  font-size: 11px; font-weight: 750; padding: 3px 9px; border-radius: 980px; white-space: nowrap;
}
.tag-ok { color: var(--green); background: rgba(78, 217, 140, 0.1); border: 1px solid rgba(78, 217, 140, 0.25); }
.tag-sub { color: #aebcff; background: rgba(110, 139, 255, 0.12); border: 1px solid rgba(110, 139, 255, 0.3); }
.feed-private { justify-content: center; color: var(--text-faint); background: transparent; border-style: dashed; }
.lock { font-size: 12px; }

/* ============================================================
   AI CHAT
   ============================================================ */
.app-header-ai { border-bottom: 1px solid rgba(255,255,255,0.06); padding-bottom: 12px; }
.app-header-ai .app-h1 { font-size: 20px; }
.chat { flex: 1; padding: 16px 14px; display: flex; flex-direction: column; gap: 10px; overflow: hidden; }
.msg {
  max-width: 86%; border-radius: 17px; padding: 10px 13px;
  font-size: 12.8px; line-height: 1.5;
  opacity: 0; transform: translateY(10px);
  transition: opacity 0.45s, transform 0.5s var(--ease-spring);
}
.msg.show { opacity: 1; transform: none; }
.msg-user { align-self: flex-end; background: linear-gradient(120deg, #4d6bff, #7a5cff); color: #fff; border-bottom-right-radius: 6px; }
.msg-ai { align-self: flex-start; background: rgba(255, 255, 255, 0.07); border: 1px solid rgba(255, 255, 255, 0.07); border-bottom-left-radius: 6px; color: var(--text); }
.msg-ai b { color: var(--gold-1); }
.msg-tool {
  align-self: flex-start; font-size: 10.5px; color: var(--text-faint);
  display: flex; align-items: center; gap: 6px; padding: 0 4px;
  opacity: 0; transition: opacity 0.4s;
}
.msg-tool.show { opacity: 1; }
.msg-tool .spin {
  width: 10px; height: 10px; border-radius: 50%;
  border: 1.5px solid var(--text-faint); border-top-color: transparent;
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.typing-caret { display: inline-block; width: 7px; height: 13px; background: var(--accent-2); vertical-align: -2px; margin-left: 2px; animation: caret 0.8s steps(1) infinite; border-radius: 1.5px; }
@keyframes caret { 50% { opacity: 0; } }

/* ============================================================
   CELEBRATION
   ============================================================ */
.celebrate { position: relative; padding: clamp(100px, 15vh, 190px) 28px; text-align: center; overflow: clip; }
.celebrate-inner { position: relative; z-index: 2; max-width: 760px; margin: 0 auto; }
.celebrate .btn { margin-top: 36px; }
#confettiCanvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  pointer-events: none; z-index: 1;
}

/* ============================================================
   PRIVACY
   ============================================================ */
/* ===== PRICING 定价 ===== */
.pricing { padding: clamp(90px, 13vh, 170px) 28px; text-align: center; }
.pricing-grid { max-width: 740px; margin: clamp(44px,6vh,64px) auto 0; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; text-align: left; }
.price-card { position: relative; border-radius: 28px; padding: clamp(28px,3.2vw,38px); background: linear-gradient(170deg, rgba(255,255,255,0.05), rgba(255,255,255,0.015)); border: 1px solid var(--border); display: flex; flex-direction: column; }
.price-pro { border-color: rgba(150,130,255,0.42); background: linear-gradient(170deg, rgba(110,139,255,0.1), rgba(255,107,213,0.045)); }
.price-badge { position: absolute; top: -11px; left: 50%; transform: translateX(-50%); font-size: 11px; font-weight: 800; letter-spacing: 0.05em; text-transform: uppercase; color: #fff; background: var(--grad-main); padding: 5px 13px; border-radius: 980px; white-space: nowrap; }
.price-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 6px; }
.price-name { font-size: 19px; font-weight: 700; letter-spacing: -0.01em; }
.price-amount { font-size: 38px; font-weight: 760; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.price-per { font-size: 15px; font-weight: 600; color: var(--text-dim); }
.price-note { font-size: 14px; color: var(--text-dim); margin-bottom: 24px; }
.price-list { list-style: none; display: grid; gap: 13px; margin-bottom: 28px; flex: 1; }
.price-list li { position: relative; padding-left: 28px; font-size: 14.5px; color: var(--text-dim); line-height: 1.4; }
.price-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--green); font-weight: 700; }
.price-cta { width: 100%; justify-content: center; }
.pricing-foot { text-align: center; font-size: 13px; color: var(--text-faint); margin-top: 30px; }

/* ===== FAQ 常见问题 ===== */
.faq { padding: clamp(90px, 13vh, 170px) 28px; text-align: center; }
.faq-list { max-width: 720px; margin: clamp(40px,6vh,60px) auto 0; display: grid; gap: 12px; text-align: left; }
.faq-item { border: 1px solid var(--border); border-radius: 16px; background: var(--surface); padding: 0 22px; transition: border-color 0.3s; }
.faq-item[open] { border-color: var(--border-strong); }
.faq-item summary { cursor: pointer; padding: 20px 0; font-size: 16px; font-weight: 600; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 22px; color: var(--text-dim); font-weight: 300; flex-shrink: 0; line-height: 1; }
.faq-item[open] summary::after { content: "\2212"; }
.faq-item p { padding: 0 0 22px; font-size: 14.5px; color: var(--text-dim); line-height: 1.65; margin: 0; max-width: 62ch; }

.privacy {
  padding: clamp(100px, 15vh, 190px) 28px;
  background:
    radial-gradient(1100px 480px at 50% 0%, rgba(110, 139, 255, 0.07), transparent),
    linear-gradient(180deg, rgba(255,255,255,0.015), transparent 40%);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}
.privacy-inner { max-width: 1080px; margin: 0 auto; text-align: center; }
.privacy-title { font-size: clamp(28px, 4.2vw, 50px); }
.privacy-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
  margin-top: 64px; text-align: left;
}
.priv-card {
  border-radius: 26px; padding: 30px 28px;
  background: var(--surface); border: 1px solid var(--border);
  transition: transform 0.5s var(--ease-spring), border-color 0.4s, background 0.4s;
}
.priv-card:hover { transform: translateY(-6px); border-color: var(--border-strong); background: var(--surface-2); }
.priv-icon { font-size: 30px; margin-bottom: 18px; }
.priv-card h3 { margin-bottom: 10px; font-size: 19px; }
.priv-card p { color: var(--text-dim); font-size: 15px; }

/* ============================================================
   DOWNLOAD
   ============================================================ */
.download { position: relative; padding: clamp(110px, 16vh, 200px) 28px; text-align: center; overflow: clip; }
.download-glow {
  position: absolute; left: 50%; top: 50%; width: 900px; height: 600px;
  transform: translate(-50%, -50%);
  background: radial-gradient(closest-side, rgba(169, 107, 255, 0.16), transparent);
  filter: blur(40px); pointer-events: none;
}
.download-inner { position: relative; z-index: 2; }
.download-icon {
  width: 92px; height: 92px; border-radius: 22px; margin: 0 auto 30px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.1);
}
.download h2 { font-size: clamp(32px, 4.8vw, 56px); }
.download .btn { margin-top: 36px; }
.download-note { margin-top: 18px; font-size: 13px; color: var(--text-faint); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { border-top: 1px solid var(--border); padding: 34px 28px 44px; }
.footer-inner {
  max-width: 1180px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap;
}
.footer-left { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.footer-left img { width: 24px; height: 24px; border-radius: 6px; }
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-links a { font-size: 13.5px; color: var(--text-dim); transition: color 0.25s; }
.footer-links a:hover { color: var(--text); }
.footer-legal { font-size: 12.5px; color: var(--text-faint); max-width: 1180px; margin: 22px auto 0; }

/* ============================================================
   REVEAL 滚动渐入
   ============================================================ */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.9s ease, transform 0.95s var(--ease-spring); }
.reveal.in { opacity: 1; transform: none; }

/* tilt 鼠标视差容器 */
.tilt { transition: transform 0.25s ease-out; will-change: transform; }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 960px) {
  .nav-links { display: none; }
  .nav-getapp { display: none; }
  .nav-burger { display: flex; }
  .nav-inner { justify-content: space-between; gap: 12px; }
  .feature-inner { grid-template-columns: 1fr; gap: 52px; }
  .feature-alt .feature-inner { display: flex; flex-direction: column-reverse; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 40px 20px; }
  .auto-grid { grid-template-columns: 1fr; }
  .hq-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; }
  .privacy-grid { grid-template-columns: 1fr; }
  .er-row { grid-template-columns: 56px 1fr auto; gap: 12px; }
  .er-img { width: 56px; }
  .er-bar { width: 84px; }
  .hero-fan { height: clamp(220px, 46vw, 320px); }
  .fan-card { --spread: clamp(78px, 13vw, 130px); width: clamp(170px, 34vw, 240px); margin-left: calc(clamp(170px, 34vw, 240px) / -2); }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .hero-cta .btn-large { padding: 14px 22px; font-size: 15px; }
  .engine-formula { gap: 8px; }
  .f-plus { display: none; }
  .f-part { min-width: calc(50% - 8px); flex: 1 1 calc(50% - 8px); }
  .er-why { display: none; }
}

/* 减少动态偏好 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}