/* ============================================================
   存客宝官网 · 全站样式 styles.css
   设计：科技 + 商务 + 私域温度 · 蓝紫渐变 + 玻璃拟态
   ============================================================ */

:root {
  --c-bg: #0f172a;
  --c-bg-soft: #f8fafc;
  --c-surface: #ffffff;
  --c-surface-soft: transparent;
  --c-ink: var(--kir-text-primary, #0f172a);
  --c-ink-2: var(--kir-text-secondary, #475569);
  --c-ink-3: var(--kir-text-muted, #94a3b8);
  --c-line: var(--kir-border-soft, #eef2f7);

  --brand-1: #3b82f6;
  --brand-2: #8b5cf6;
  --brand-3: #f59e0b;
  --brand-4: #f97316;

  --grad-brand: var(--kir-gradient-cta, linear-gradient(90deg, #3b82f6, #8b5cf6));
  --grad-brand-soft: linear-gradient(120deg, rgba(59,130,246,.1), rgba(139,92,246,.1));
  --grad-hero: var(--kir-gradient-hero);

  --radius: var(--kir-radius-lg, 16px);
  --radius-lg: var(--kir-radius-xl, 20px);
  --shadow-sm: var(--kir-glass-shadow);
  --shadow-md: var(--kir-glass-shadow-hover);
  --shadow-glow: 0 16px 48px rgba(59, 130, 246, .22);

  --container: 1200px;
  --space: clamp(64px, 9vw, 120px);
  --font: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
}

/* ---------- KIR 光晕背景层 ---------- */
.kir-orbs { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.kir-orbs i { position: absolute; border-radius: 50%; filter: blur(88px); opacity: 1; }
.kir-orbs i:nth-child(1) { width: 520px; height: 520px; top: -160px; right: -120px; background: var(--kir-orb-blue); }
.kir-orbs i:nth-child(2) { width: 420px; height: 420px; bottom: 10%; left: -140px; background: var(--kir-orb-purple); }
.kir-orbs i:nth-child(3) { width: 320px; height: 320px; top: 42%; right: 8%; background: var(--kir-orb-gold); }
body > .nav, body > header, body > section, body > footer { position: relative; z-index: 1; }

/* ---------- 玻璃卡片（KIR 统一） ---------- */
.kir-card {
  background: var(--kir-glass-bg);
  backdrop-filter: blur(var(--kir-glass-blur));
  -webkit-backdrop-filter: blur(var(--kir-glass-blur));
  border: 1px solid var(--kir-glass-border);
  box-shadow: var(--kir-glass-shadow);
  transition: transform .35s var(--kir-ease-out), box-shadow .35s var(--kir-ease-out), border-color .35s;
}
.kir-card:hover { box-shadow: var(--kir-glass-shadow-hover); border-color: rgba(59, 130, 246, 0.22); }

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
#features, #matrix, #device, #pricing, #plans, #pricing-cards, #cases, #contact {
  scroll-margin-top: 88px;
}
body {
  font-family: var(--font);
  color: var(--c-ink);
  background: var(--kir-gradient-page, #f8fafc);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container { width: min(var(--container), 92vw); margin-inline: auto; }
.section { padding-block: var(--space); }
.center { text-align: center; }
.gradient-text {
  background: var(--grad-brand);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

/* ---------- 通用排版 ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--brand-2); padding: 6px 14px; border-radius: 999px;
  background: var(--grad-brand-soft); border: 1px solid rgba(139,63,255,.18);
}
.section-title {
  font-size: clamp(28px, 4.4vw, 46px); line-height: 1.15; font-weight: 800;
  letter-spacing: -.02em; margin-block: 18px 14px;
}
.section-sub { font-size: clamp(15px, 2vw, 19px); color: var(--c-ink-3); max-width: 720px; }
.center .section-sub { margin-inline: auto; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 700; font-size: 15px; padding: 14px 26px; border-radius: 999px;
  border: 1px solid transparent; cursor: pointer; transition: .25s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--grad-brand); color: #fff; box-shadow: var(--shadow-glow); }
.btn-primary:hover { transform: translateY(-2px); background: var(--kir-gradient-cta-hover, var(--grad-brand)); box-shadow: 0 20px 50px rgba(59,130,246,.28); }
.btn-ghost { background: var(--kir-glass-bg); color: var(--c-ink); border-color: var(--c-line); backdrop-filter: blur(12px); }
.btn-ghost:hover { background: var(--kir-glass-solid); transform: translateY(-2px); }
.btn-dark { background: var(--c-ink); color: #fff; }
.btn-dark:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.btn-outline { background: #fff; color: var(--c-ink); border-color: var(--c-line); }
.btn-outline:hover { border-color: var(--brand-1); color: var(--brand-1); transform: translateY(-3px); }
.btn-lg { padding: 18px 38px; font-size: 17px; }

/* ============================================================
   导航
   ============================================================ */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px clamp(16px, 4vw, 40px);
  transition: .3s ease;
  background: var(--kir-glass-bg);
  backdrop-filter: blur(var(--kir-glass-blur));
  border-bottom: 1px solid rgba(255,255,255,.5);
}
.nav-clear {
  padding: 12px clamp(20px, 4vw, 48px);
  background: rgba(255,255,255,.92);
  border-bottom: 1px solid var(--kir-border-soft);
  box-shadow: 0 1px 0 rgba(15,23,42,.04);
}
.nav-clear .brand-logo { width: 40px; height: 40px; }
.nav-clear .nav-links { gap: 28px; }
@media (max-width: 1100px) {
  .nav-clear .nav-links { gap: 20px; }
  .nav-cta-text { padding: 8px 14px; font-size: 13px; }
}
.nav-clear .nav-link { font-size: 14px; font-weight: 600; color: var(--c-ink-2); letter-spacing: .02em; }
.nav-clear .nav-link:hover { color: var(--brand-1); }
.nav-cta-text {
  padding: 10px 20px; font-size: 14px; font-weight: 700; border-radius: 999px;
  white-space: nowrap;
}
.nav.scrolled {
  background: var(--kir-glass-solid);
  box-shadow: var(--kir-glass-shadow);
}
.nav.scrolled .nav-link, .nav.scrolled .brand-name { color: var(--c-ink); }
.brand { display: flex; align-items: center; gap: 10px; }
.brand-logo { width: 44px; height: 44px; border-radius: 12px; object-fit: contain; background: transparent; box-shadow: none; flex-shrink: 0; }
.lead-mascot { object-fit: contain; background: transparent; }
.ind-art img { width: 100%; height: 100%; object-fit: cover; border-radius: var(--radius-lg); }
.hero-float .ic img { display: block; }
.brand-mark { display: none; }
.brand-name { font-weight: 800; font-size: 20px; color: var(--c-ink); transition: color .3s; letter-spacing: -.01em; }
.brand-name small { display: none; }
.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; margin: 0; padding: 0; }
.nav-links li { list-style: none; margin: 0; padding: 0; }
.nav-link { color: var(--c-ink-2); font-weight: 600; font-size: 15px; transition: color .25s; }
.nav-link:hover { color: var(--brand-1); }
.nav-cta { display: flex; align-items: center; gap: 12px; flex-shrink: 0; position: relative; z-index: 102; }
/* 桌面端不展示菜单内克隆 CTA（main.js 宽屏会移除节点；此处兜底） */
@media (min-width: 721px) {
  .nav-links .nav-mobile-cta {
    display: none !important;
    visibility: hidden;
    width: 0;
    height: 0;
    margin: 0;
    padding: 0;
    overflow: hidden;
    pointer-events: none;
  }
}
.nav-toggle {
  display: none; background: none; border: 0; cursor: pointer; flex-direction: column;
  justify-content: center; align-items: center; gap: 5px;
  width: 44px; height: 44px; padding: 10px; border-radius: 10px;
  -webkit-tap-highlight-color: transparent; touch-action: manipulation;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--c-ink); border-radius: 2px; transition: .25s ease; display: block; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav-backdrop {
  display: none; position: fixed; inset: 0; z-index: 98;
  background: rgba(15, 23, 42, .42); backdrop-filter: blur(2px);
}
.nav-backdrop.show { display: block; }
body.nav-menu-open { overflow: hidden; }

/* ============================================================
   Hero · 三版（06 · 实色字 · 真实截图）
   ============================================================ */
.hero {
  position: relative; background: var(--kir-gradient-hero); color: var(--kir-hero-title);
  padding: clamp(100px, 14vh, 120px) 0 clamp(64px, 8vh, 88px);
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; width: 480px; height: 480px; top: -100px; right: -80px;
  background: radial-gradient(circle, rgba(59,130,246,.08), transparent 72%); pointer-events: none;
}
.hero::after { display: none; }
.hero-grid {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(32px, 4vw, 40px); align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600;
  padding: 6px 14px; border-radius: 999px; background: var(--kir-hero-badge-bg);
  border: 1px solid var(--kir-border-soft); margin-bottom: 16px;
  color: var(--kir-hero-muted); box-shadow: none;
}
.hero-badge b { color: var(--kir-hero-accent); }
.hero-social-line {
  margin-top: 20px; font-size: 14px; font-weight: 600; color: var(--kir-hero-muted);
}
.hero-social-line strong { color: var(--kir-hero-accent); font-weight: 800; font-size: 15px; }
.hero-stats {
  display: flex; flex-wrap: wrap; gap: clamp(20px, 4vw, 40px);
  margin: 8px 0 28px; padding: 20px 0 4px;
  border-top: 1px solid var(--kir-border-soft);
}
.hero-stat { display: flex; flex-direction: column; gap: 4px; min-width: 100px; }
.hero-stat-num {
  font-size: clamp(32px, 4vw, 42px); font-weight: 800; line-height: 1;
  color: var(--kir-hero-title); letter-spacing: -.03em;
}
.hero-stat-growth .hero-stat-num {
  font-size: clamp(36px, 4.5vw, 48px);
  background: linear-gradient(135deg, #4f46e5 0%, #2563eb 45%, #7c3aed 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 2px 8px rgba(79, 70, 229, .18));
}
.hero-stat-growth .hero-stat-label { color: var(--kir-hero-accent); font-weight: 700; }
/* 移动端菜单内 CTA：桌面端隐藏，避免与 nav-cta 重复 */
.nav-mobile-cta { display: none !important; }
.hero-stat-label { font-size: 13px; font-weight: 600; color: var(--kir-hero-muted); }
/* Hero 主图 · 悬浮漂移动效 */
.hero-float-wrap {
  position: relative;
  margin-left: auto;
  max-width: min(520px, 48vw);
  padding: 12px 16px 20px 8px;
  perspective: 1200px;
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(48px);
  z-index: 0;
}
.hero-orb-1 {
  width: 55%; height: 45%;
  top: 8%; right: -6%;
  background: radial-gradient(circle, rgba(99, 102, 241, .35) 0%, transparent 70%);
  animation: hero-orb-drift 9s ease-in-out infinite;
}
.hero-orb-2 {
  width: 48%; height: 40%;
  bottom: 6%; left: -8%;
  background: radial-gradient(circle, rgba(59, 130, 246, .28) 0%, transparent 72%);
  animation: hero-orb-drift 11s ease-in-out infinite reverse;
}
.hero-float-card {
  position: relative;
  z-index: 1;
  animation: hero-card-float 5.5s ease-in-out infinite;
  transition:
    transform .45s cubic-bezier(.22, 1, .36, 1),
    box-shadow .45s ease;
  will-change: transform;
}
.hero-float-wrap:hover .hero-float-card {
  animation-play-state: paused;
  transform: translateY(-14px) scale(1.025) rotateX(2deg) rotateY(-1deg);
  box-shadow:
    0 40px 100px rgba(15, 23, 42, .18),
    0 16px 40px rgba(99, 102, 241, .15),
    0 0 0 1px rgba(148, 163, 184, .25);
}
.hero-chip {
  position: absolute;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(99, 102, 241, .22);
  box-shadow: 0 16px 40px rgba(79, 70, 229, .18);
  font-size: 12px;
  font-weight: 700;
  color: var(--c-ink-2);
  pointer-events: none;
  animation: hero-chip-float 4.2s ease-in-out infinite;
}
.hero-chip b {
  font-size: 20px;
  font-weight: 900;
  letter-spacing: -.02em;
  background: linear-gradient(135deg, #4f46e5, #2563eb, #7c3aed);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-chip-1 { top: 14%; left: -4%; animation-delay: 0s; }
.hero-chip-2 { bottom: 12%; right: -2%; animation-delay: -2.1s; }
@keyframes hero-card-float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  35% { transform: translateY(-10px) rotate(.4deg); }
  70% { transform: translateY(-5px) rotate(-.25deg); }
}
@keyframes hero-orb-drift {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: .75; }
  50% { transform: translate(12px, -16px) scale(1.08); opacity: 1; }
}
@keyframes hero-chip-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
@media (prefers-reduced-motion: reduce) {
  .hero-float-card, .hero-orb, .hero-chip { animation: none !important; }
  .hero-float-wrap:hover .hero-float-card { transform: none; }
}
.hero-device-frame {
  border-radius: 20px; overflow: hidden;
  box-shadow:
    0 32px 80px rgba(15, 23, 42, .14),
    0 8px 24px rgba(59, 130, 246, .08),
    0 0 0 1px rgba(148, 163, 184, .2);
  background: linear-gradient(180deg, #fff 0%, #f8fafc 100%);
  padding: 6px;
}
.hero-device-frame .hero-scene-main {
  border: 0; box-shadow: none; border-radius: 14px;
  max-height: 380px; width: 100%; object-fit: cover; object-position: top center;
}
.hero-growth-frame .hero-scene-main {
  object-fit: contain; object-position: center;
  max-height: min(440px, 52vh); width: 100%; background: #fff;
}
.btn-split { display: inline-flex; align-items: baseline; gap: 6px; }
.btn-split .cta-micro { font-size: 12px; font-weight: 600; color: var(--c-ink-3); letter-spacing: .02em; }
.btn-split .cta-main { font-size: 17px; font-weight: 700; }
.hero h1 {
  font-size: clamp(40px, 5.5vw, 52px); line-height: 1.12; font-weight: 800;
  letter-spacing: -.02em; color: var(--kir-hero-title); max-width: 14em;
}
.hero h1 .gradient-text { color: inherit; background: none; -webkit-text-fill-color: inherit; }
.hero p.lead {
  font-size: clamp(18px, 2vw, 20px); color: var(--kir-text-secondary);
  margin-block: 18px 22px; max-width: 28em; line-height: 1.6; font-weight: 500;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.hero-trial-cta {
  font-size: clamp(17px, 2.4vw, 20px);
  font-weight: 800;
  letter-spacing: .02em;
  padding: 18px 36px;
  border-radius: 999px;
  box-shadow: 0 16px 40px rgba(59, 130, 246, .28);
  white-space: nowrap;
}
@media (max-width: 720px) {
  .hero-trial-cta { white-space: normal; text-align: center; line-height: 1.35; max-width: 100%; }
}
.hero-cta-block { margin-top: 4px; }
.hero-cta-block .hero-trust-line { margin-top: 12px; text-align: left; }
.hero-microcopy { font-size: 13px; color: var(--kir-text-muted); margin-top: 12px; font-weight: 500; }

.hero-visual {
  position: relative; max-width: min(560px, 50vw); margin-left: auto;
  overflow: visible; padding: 0;
}
.hero-scene-main {
  width: 100%; height: auto; max-height: 420px; object-fit: contain; object-position: center;
  border-radius: 16px;
  box-shadow: 0 12px 40px rgba(15,23,42,.08); border: 1px solid var(--kir-border-soft);
  display: block;
}
.hero-float {
  position: absolute; background: var(--kir-glass-solid); color: var(--c-ink);
  border: 1px solid var(--kir-border-soft);
  border-radius: 12px; padding: 10px 14px; box-shadow: 0 8px 24px rgba(15,23,42,.06);
  display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 13px;
  animation: floaty 4s ease-in-out infinite;
}
.hero-float .ic { width: 36px; height: 36px; border-radius: 10px; overflow: hidden; flex-shrink: 0; }
.hero-float .ic img { width: 100%; height: 100%; object-fit: cover; }
.hero-float small { display: block; font-weight: 600; color: var(--kir-hero-muted); font-size: 11px; }
.hero-float.f1 { top: 10%; left: 0; max-width: 190px; }
.hero-float.f2 { display: none; }
@media (max-width: 900px) {
  .hero-visual { max-width: 100%; padding: 0 8px; margin: 0 auto; }
  .hero-float-wrap { max-width: 100%; margin: 0 auto; padding: 8px; }
  .hero-chip { display: none; }
  .hero-float { display: none; }
  .hero-scene-main { max-height: none; }
}
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* 单设备硬件专题（13） */
.device-topic { background: linear-gradient(180deg, #fff, rgba(248,250,252,.9)); }
.device-grid {
  display: grid; grid-template-columns: minmax(260px, 340px) 1fr; gap: 40px; align-items: center; margin-top: 40px;
}
.device-frame {
  position: relative; margin: 0 auto; width: min(280px, 100%);
  padding: 12px; border-radius: 40px; background: linear-gradient(145deg, #1e293b, #334155);
  box-shadow: 0 20px 50px rgba(15,23,42,.15), inset 0 0 0 2px rgba(255,255,255,.08);
}
.device-frame::before {
  content: ""; position: absolute; top: 10px; left: 50%; transform: translateX(-50%);
  width: 72px; height: 6px; border-radius: 99px; background: rgba(0,0,0,.35);
}
.device-screen.img-fallback {
  display: block; width: 100%; aspect-ratio: 9/19.5; object-fit: cover; object-position: top;
  border-radius: 28px; background: #0f172a;
}
.device-flow-steps { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.device-flow-steps .flow-step { padding: 18px 16px; text-align: left; }
.device-flow-steps .flow-step h3 { font-size: 15px; margin-bottom: 6px; }
.device-flow-steps .flow-step p { font-size: 13px; }
.device-features-mini {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 28px;
}
.device-feat {
  padding: 14px; border-radius: 12px; background: var(--kir-glass-bg);
  border: 1px solid var(--kir-border-soft); font-size: 13px; font-weight: 600; text-align: center;
}
.device-feat span { display: block; font-size: 22px; margin-bottom: 6px; }
@media (max-width: 900px) {
  .device-grid { grid-template-columns: 1fr; }
  .device-flow-steps { grid-template-columns: 1fr; }
  .device-features-mini { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- 信任条 ---------- */
.trust { background: rgba(255,255,255,.55); color: var(--c-ink); backdrop-filter: blur(12px); border-bottom: 1px solid var(--c-line); padding-block: 30px; }
.trust-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 14px 30px; }
.trust-row .tlabel { color: var(--c-ink-3); font-size: 14px; font-weight: 600; }
.trust-chip {
  font-size: 14px; font-weight: 700; padding: 8px 16px; border-radius: 999px;
  background: var(--kir-glass-bg); border: 1px solid var(--kir-glass-border);
  color: var(--c-ink-2); box-shadow: var(--kir-shadow-card);
  transition: transform .25s var(--kir-ease-out), box-shadow .25s;
}
.trust-chip:hover { transform: translateY(-2px); box-shadow: var(--kir-glass-shadow-hover); color: var(--brand-1); }

/* ============================================================
   痛点
   ============================================================ */
.pain { background: transparent; }
.pain-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap: 22px; margin-top: 50px; }
.pain-card {
  background: var(--kir-glass-bg); backdrop-filter: blur(var(--kir-glass-blur));
  border: 1px solid var(--kir-glass-border); border-radius: var(--radius);
  padding: 28px 26px; box-shadow: var(--shadow-sm); transition: .3s;
}
.pain-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(91,108,255,.35); }
.pain-card .ic { font-size: 30px; margin-bottom: 14px; }
.pain-card h3 { font-size: 19px; font-weight: 800; margin-bottom: 8px; }
.pain-card .old { color: var(--c-ink-3); font-size: 14px; margin-bottom: 12px; }
.pain-card .fix { color: var(--brand-2); font-weight: 700; font-size: 14px; display: flex; gap: 8px; }

/* ============================================================
   功能卡片
   ============================================================ */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px,1fr)); gap: 24px; margin-top: 54px; }
.feature-card {
  position: relative; background: var(--kir-glass-bg); backdrop-filter: blur(var(--kir-glass-blur));
  border: 1px solid var(--kir-glass-border); border-radius: var(--radius-lg);
  padding: 32px 30px; overflow: hidden; transition: .35s; box-shadow: var(--shadow-sm);
}
.feature-card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 4px; background: var(--grad-brand);
  transform: scaleX(0); transform-origin: left; transition: transform .35s;
}
.feature-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); }
.feature-card:hover::before { transform: scaleX(1); }
.feature-icon {
  width: 58px; height: 58px; border-radius: 16px; display: grid; place-items: center;
  font-size: 27px; margin-bottom: 20px; background: var(--grad-brand-soft); color: var(--brand-2);
}
.feature-card h3 { font-size: 21px; font-weight: 800; margin-bottom: 10px; }
.feature-card p { color: var(--c-ink-3); font-size: 15px; }
.feature-card .tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.feature-card .tags span { font-size: 12px; font-weight: 600; color: var(--brand-1); background: rgba(91,108,255,.09); padding: 5px 11px; border-radius: 999px; }

/* ============================================================
   算法 / 技术
   ============================================================ */
.algo { background: linear-gradient(180deg, rgba(239,246,255,.5), rgba(255,255,255,.8)); color: var(--c-ink); }
.algo .section-sub { color: var(--c-ink-3); }
.algo-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px,1fr)); gap: 20px; margin-top: 52px; }
.algo-card {
  background: var(--kir-glass-bg); backdrop-filter: blur(var(--kir-glass-blur));
  border: 1px solid var(--kir-glass-border); border-radius: var(--radius); padding: 28px 26px;
  transition: .3s; box-shadow: var(--shadow-sm);
}
.algo-card:hover { border-color: rgba(59,130,246,.35); transform: translateY(-6px); box-shadow: var(--shadow-md); }
.algo-card h3 { font-size: 19px; font-weight: 800; margin-bottom: 8px; color: var(--c-ink); }
.algo-card p { color: var(--c-ink-3); font-size: 14px; }
.algo-card code { display: inline-block; margin-top: 14px; font-size: 12.5px; color: var(--brand-1); background: rgba(59,130,246,.08); padding: 6px 12px; border-radius: 8px; font-family: "SF Mono", Menlo, monospace; }

/* ============================================================
   行业方案 Tab
   ============================================================ */
.ind-tabs { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 44px; }
.ind-tab {
  font-weight: 700; font-size: 15px; padding: 11px 20px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--c-line); background: #fff; color: var(--c-ink-2); transition: .25s;
}
.ind-tab.active { background: var(--grad-brand); color: #fff; border-color: transparent; box-shadow: var(--shadow-glow); }
.ind-panels { margin-top: 36px; }
.ind-panel { display: none; }
.ind-panel.active { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; animation: fadeUp .5s ease; }
.ind-panel .pic img { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
.ind-art {
  aspect-ratio: 4/3; border-radius: var(--radius-lg); display: grid; place-items: center;
  font-size: clamp(80px, 14vw, 150px); box-shadow: var(--shadow-glow); position: relative; overflow: hidden;
}
.ind-art img { width: 100%; height: 100%; object-fit: cover; border-radius: inherit; }
.ind-art::after {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.16) 1px, transparent 1px);
  background-size: 22px 22px; mask-image: linear-gradient(135deg,#000,transparent 75%);
}
.ind-panel h3 { font-size: clamp(24px,3vw,32px); font-weight: 800; margin-bottom: 8px; }
.ind-panel .pain-line { color: var(--brand-4); font-weight: 700; margin-bottom: 18px; }
.ind-panel ul.solve li { display: flex; gap: 12px; margin-bottom: 12px; font-size: 15px; color: var(--c-ink-2); }
.ind-panel ul.solve li b { color: var(--c-ink); }
.ind-panel ul.solve .chk { color: var(--brand-3); font-weight: 900; }
.ind-metrics { display: flex; gap: 28px; margin-top: 22px; }
.ind-metrics .m .n { font-size: 30px; font-weight: 900; } .ind-metrics .m .n.gradient-text { display:inline-block; }
.ind-metrics .m .t { font-size: 13px; color: var(--c-ink-3); }

/* ============================================================
   产品矩阵
   ============================================================ */
.matrix { background: var(--c-surface-soft); }
.matrix-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px,1fr)); gap: 28px; margin-top: 50px; }
.matrix-card {
  background: var(--kir-glass-bg);
  backdrop-filter: blur(var(--kir-glass-blur));
  border: 1px solid var(--kir-glass-border);
  border-radius: var(--radius-lg);
  padding: 0 0 28px;
  box-shadow: var(--kir-glass-shadow);
  transition: .35s var(--kir-ease-out);
  overflow: hidden;
}
.matrix-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); }
.matrix-shot {
  margin: 0;
  border-bottom: 1px solid var(--kir-glass-border);
  background: linear-gradient(145deg, rgba(59,130,246,.06), rgba(139,92,246,.08));
  overflow: hidden;
}
.matrix-shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top center;
  transition: transform .45s var(--kir-ease-out);
}
.matrix-shot-contain img {
  object-fit: contain;
  object-position: center;
  padding: 12px 16px;
  background: linear-gradient(160deg, #f5f3ff, #eef2ff 50%, #f8fafc);
}
.matrix-card:hover .matrix-shot img { transform: scale(1.03); }
.matrix-card .tag,
.matrix-card h3,
.matrix-card p { padding-left: 26px; padding-right: 26px; }
.matrix-card .tag { font-size: 12px; font-weight: 700; color: var(--brand-2); letter-spacing: .1em; margin-top: 20px; }
.matrix-card h3 { font-size: 24px; font-weight: 800; margin: 8px 0 10px; }
.matrix-card p { color: var(--c-ink-3); font-size: 15px; line-height: 1.65; padding-bottom: 26px; }
.matrix-card-featured { border: 2px solid rgba(99,102,241,.35); box-shadow: 0 12px 36px rgba(99,102,241,.12); }
.matrix-card-featured .tag { color: var(--kir-indigo); }

/* ============================================================
   流程
   ============================================================ */
.flow-steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px,1fr)); gap: 18px; margin-top: 54px; counter-reset: step; }
.flow-step { position: relative; background: var(--kir-glass-bg); backdrop-filter: blur(12px); border: 1px solid var(--kir-glass-border); border-radius: var(--radius); padding: 28px 24px; box-shadow: var(--kir-shadow-card); transition: .3s; }
.flow-step:hover { transform: translateY(-4px); box-shadow: var(--kir-glass-shadow-hover); }
.flow-step::before { counter-increment: step; content: "0" counter(step); font-size: 44px; font-weight: 900; background: var(--grad-brand); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; opacity: .9; }
.flow-step h3 { font-size: 18px; font-weight: 800; margin: 8px 0 6px; }
.flow-step p { color: var(--c-ink-3); font-size: 14px; }

/* ============================================================
   数据条
   ============================================================ */
.metrics { background: var(--kir-gradient-page); color: var(--c-ink); }
.metrics-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap: 22px; }
.kir-metric-card {
  text-align: center; padding: 28px 20px; border-radius: var(--radius-lg);
  background: var(--kir-glass-bg); backdrop-filter: blur(12px);
  border: 1px solid var(--kir-glass-border); box-shadow: var(--kir-shadow-card);
  transition: transform .35s var(--kir-ease-out), box-shadow .35s;
}
.kir-metric-card:hover { transform: translateY(-6px); box-shadow: var(--kir-glass-shadow-hover); }
.metric-icon {
  width: 52px; height: 52px; margin: 0 auto 14px; border-radius: 14px;
  display: grid; place-items: center; font-size: 24px; color: #fff;
}
.metric-icon.grad-blue { background: linear-gradient(135deg, #3b82f6, #06b6d4); }
.metric-icon.grad-purple { background: linear-gradient(135deg, #6366f1, #8b5cf6); }
.metric-icon.grad-green { background: linear-gradient(135deg, #22c55e, #10b981); }
.metric-icon.grad-orange { background: linear-gradient(135deg, #f97316, #ef4444); }
.metric .num { font-size: clamp(36px, 5vw, 52px); font-weight: 900; letter-spacing: -.03em; background: linear-gradient(120deg,#8be7ff,#b69bff,#00e0c6); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.metric .lbl { color: var(--c-ink-3); font-size: 14px; margin-top: 6px; font-weight: 600; }

/* 方案对比表 */
.compare { background: linear-gradient(180deg, rgba(248,250,252,.8), rgba(255,255,255,.9)); }
.compare-wrap { margin-top: 40px; overflow-x: auto; }
.compare-table { width: 100%; border-collapse: collapse; min-width: 640px; font-size: 14.5px; }
.compare-table th, .compare-table td { padding: 14px 16px; border-bottom: 1px solid var(--c-line); text-align: center; }
.compare-table th:first-child, .compare-table td:first-child { text-align: left; font-weight: 700; color: var(--c-ink); }
.compare-table thead th { background: var(--kir-glass-bg); font-size: 13px; font-weight: 800; color: var(--c-ink-2); }
.compare-table .col-us { background: rgba(239,246,255,.85); color: var(--brand-1); font-weight: 700; }
.compare-table tbody tr:hover td { background: rgba(248,250,252,.6); }
.compare-table tbody tr:hover .col-us { background: rgba(219,234,254,.9); }
.compare-cta { text-align: center; margin-top: 28px; }

.roi { background: linear-gradient(180deg, rgba(255,255,255,.6), rgba(239,246,255,.4)); }
.roi-panel {
  margin-top: 44px; padding: 36px 32px; border-radius: var(--radius-lg);
  background: var(--kir-glass-bg); backdrop-filter: blur(16px);
  border: 1px solid var(--kir-glass-border); box-shadow: var(--kir-glass-shadow);
}
.roi-controls { display: grid; gap: 18px; max-width: 420px; margin: 0 auto 32px; }
.roi-controls label { font-weight: 700; font-size: 14px; color: var(--c-ink-2); }
.roi-controls input[type="range"] { width: 100%; accent-color: var(--brand-2); }
.roi-controls input[type="number"] {
  width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--c-line);
  font-size: 16px; font-weight: 600;
}
.roi-compare { display: grid; grid-template-columns: 1fr auto 1fr; gap: 16px; align-items: center; }
.roi-col { text-align: center; padding: 24px 16px; border-radius: var(--radius); background: rgba(255,255,255,.65); border: 1px solid var(--c-line); }
.roi-col.auto { border-color: rgba(59,130,246,.35); background: rgba(239,246,255,.7); }
.roi-col h3 { font-size: 16px; font-weight: 800; margin-bottom: 8px; }
.roi-head { font-size: 14px; color: var(--c-ink-3); margin-bottom: 10px; }
.roi-amt { font-size: clamp(28px, 4vw, 38px); font-weight: 900; letter-spacing: -.02em; }
.roi-amt.highlight { background: var(--grad-brand); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.roi-note { font-size: 12px; color: var(--c-ink-3); margin-top: 8px; }
.roi-vs { font-weight: 900; color: var(--c-ink-3); font-size: 14px; }
.roi-result { text-align: center; margin-top: 28px; padding-top: 24px; border-top: 1px dashed var(--c-line); }
.roi-result span { display: block; font-size: 14px; color: var(--c-ink-3); margin-bottom: 6px; }
.roi-result strong { display: block; font-size: clamp(32px, 5vw, 48px); font-weight: 900; color: var(--brand-4); margin-bottom: 18px; }

/* 移动端 Sticky CTA */
.sticky-cta {
  display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 900;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  background: rgba(255,255,255,.92); backdrop-filter: blur(12px);
  border-top: 1px solid var(--kir-glass-border); box-shadow: 0 -8px 32px rgba(15,23,42,.08);
  transform: translateY(110%); transition: transform .35s var(--kir-ease-out);
}
.sticky-cta.visible { transform: translateY(0); }
.sticky-cta .btn { width: 100%; min-height: 48px; font-size: 16px; }
@media (max-width: 768px) { .sticky-cta { display: block; } .roi-compare { grid-template-columns: 1fr; } .roi-vs { display: none; } }

/* ============================================================
   价格
   ============================================================ */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px,1fr)); gap: 22px; margin-top: 54px; align-items: stretch; }
.price-card { position: relative; background: var(--kir-glass-bg); backdrop-filter: blur(12px); border: 1px solid var(--kir-glass-border); border-radius: var(--radius-lg); padding: 34px 28px; box-shadow: var(--kir-glass-shadow); display: flex; flex-direction: column; transition: .35s var(--kir-ease-out); }
.price-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); }
.price-card.popular { border: 2px solid transparent; background: linear-gradient(#fff,#fff) padding-box, var(--grad-brand) border-box; box-shadow: var(--shadow-glow); transform: scale(1.03); }
.price-card.popular .ribbon { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: var(--grad-brand); color: #fff; font-size: 12px; font-weight: 800; padding: 6px 16px; border-radius: 999px; letter-spacing: .08em; }
.price-card .ptier { font-size: 15px; font-weight: 800; color: var(--brand-2); }
.price-card .pamt { font-size: 40px; font-weight: 900; margin: 10px 0 2px; letter-spacing: -.02em; }
.price-card .pamt small { font-size: 15px; color: var(--c-ink-3); font-weight: 600; }
.price-card .pdesc { color: var(--c-ink-3); font-size: 14px; margin-bottom: 20px; min-height: 40px; }
.price-card ul.pfeat { flex: 1; margin-bottom: 22px; }
.price-card ul.pfeat li { display: flex; gap: 10px; font-size: 14.5px; padding: 7px 0; color: var(--c-ink-2); border-bottom: 1px dashed var(--c-line); }
.price-card ul.pfeat li .chk { color: var(--brand-3); font-weight: 900; }
.price-card ul.pfeat li.is-off { color: var(--c-ink-3); }
.price-card ul.pfeat li .no { color: #94a3b8; font-weight: 800; flex-shrink: 0; }
.price-card.trial-tier { border-style: dashed; background: linear-gradient(180deg, rgba(248,250,252,.95), rgba(255,255,255,.92)); }
.pricing-note { max-width: 720px; margin: 20px auto 0; font-size: 13px; line-height: 1.65; color: var(--c-ink-3); text-align: center; }
.pricing-note b { color: var(--c-ink-2); }

/* ============================================================
   案例 / 评价
   ============================================================ */
.cases { background: var(--c-surface-soft); }
.cases-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px,1fr)); gap: 24px; margin-top: 50px; }
.case-card { background: var(--kir-glass-bg); backdrop-filter: blur(12px); border: 1px solid var(--kir-glass-border); border-radius: var(--radius-lg); padding: 30px 28px; box-shadow: var(--kir-glass-shadow); transition: .35s var(--kir-ease-out); }
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.case-card .quote { font-size: 16px; line-height: 1.7; color: var(--c-ink-2); }
.case-card .case-result { margin-top: 14px; font-size: 14px; color: var(--brand-3); font-weight: 600; }
.case-card .case-result b { color: var(--brand-2); }
.case-card .meta { display: flex; align-items: center; gap: 12px; margin-top: 20px; }
.case-card .avatar { width: 46px; height: 46px; border-radius: 50%; background: var(--grad-brand); color: #fff; display: grid; place-items: center; font-weight: 800; }
.case-card .meta b { display: block; font-size: 15px; } .case-card .meta span { font-size: 13px; color: var(--c-ink-3); }
.case-stars { color: var(--brand-4); margin-bottom: 14px; font-size: 17px; letter-spacing: 2px; }

/* ============================================================
   CTA / 页脚
   ============================================================ */
.cta { background: var(--grad-brand); color: #fff; border-radius: 0; position: relative; overflow: hidden; }
.cta-inner { text-align: center; position: relative; z-index: 2; }
.cta h2 { font-size: clamp(28px,4.5vw,48px); font-weight: 900; letter-spacing: -.02em; }
.cta p { color: rgba(255,255,255,.85); font-size: 18px; margin: 16px auto 30px; max-width: 600px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; align-items: center; }
.cta-secondary { font-size: 15px; font-weight: 700; color: var(--c-ink-2); text-decoration: underline; text-underline-offset: 3px; }
.cta-secondary:hover { color: var(--brand-2); }
.cta .btn-outline { background: #fff; color: var(--brand-2); }
.cta::before, .cta::after { content: ""; position: absolute; width: 460px; height: 460px; border-radius: 50%; background: rgba(255,255,255,.12); }
.cta::before { top: -200px; left: -120px; } .cta::after { bottom: -240px; right: -120px; }

.footer { background: linear-gradient(180deg, rgba(248,250,252,.95), rgba(239,246,255,.9)); color: var(--c-ink-2); padding-block: 60px 30px; border-top: 1px solid var(--c-line); }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 40px; }
.footer h4 { color: var(--c-ink); font-size: 15px; margin-bottom: 16px; }
.footer a { display: block; padding: 6px 0; font-size: 14px; transition: color .2s; }
.footer a:hover { color: var(--brand-1); }
.footer .desc { font-size: 14px; max-width: 320px; margin-top: 14px; color: var(--c-ink-3); }
.footer .contact { font-size: 14px; line-height: 1.9; }
.footer .contact b { color: var(--c-ink); }
.footer-bottom { margin-top: 44px; padding-top: 24px; border-top: 1px solid var(--c-line); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 13px; color: var(--c-ink-3); }

/* ============================================================
   Hero 信任微文案（转化优化 OPT-1）
   ============================ */
.hero-trust-line {
  margin: 10px 0 0;
  font-size: 13px;
  color: var(--muted, #64748b);
  display: flex;
  flex-wrap: wrap;
  gap: 4px 0;
}

/* 为什么选存客宝（OPT-7 差异化三点） */
.why-ckb .why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 40px;
  text-align: left;
}
.why-ckb .why-card {
  background: var(--kir-glass-bg, rgba(255,255,255,.7));
  border: 1px solid var(--kir-glass-border, rgba(99,102,241,.14));
  border-radius: var(--radius, 16px);
  padding: 26px 24px;
  box-shadow: var(--kir-glass-shadow, 0 10px 30px rgba(15,23,42,.06));
  transition: .35s var(--kir-ease-out, ease);
}
.why-ckb .why-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md, 0 16px 40px rgba(15,23,42,.12)); }
.why-ckb .why-card .ic { font-size: 30px; }
.why-ckb .why-card h3 { margin: 12px 0 8px; font-size: 18px; font-weight: 800; }
.why-ckb .why-card p { color: var(--c-ink-2, #475569); font-size: 14px; line-height: 1.7; }

/* ============================
   接口体系页 (api.html)
   ============================================================ */
.page-hero { background: var(--grad-hero); color: var(--c-ink); padding: clamp(140px,16vh,180px) 0 70px; }
.page-hero h1 { font-size: clamp(32px,5vw,52px); font-weight: 900; letter-spacing: -.02em; }
.page-hero p { color: var(--c-ink-2); font-size: 18px; margin-top: 14px; max-width: 640px; }
.api-modules { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px,1fr)); gap: 18px; margin-top: 50px; }
.api-mod { background: var(--kir-glass-bg); backdrop-filter: blur(12px); border: 1px solid var(--kir-glass-border); border-radius: var(--radius); padding: 24px; box-shadow: var(--kir-glass-shadow); transition: .35s var(--kir-ease-out); }
.api-mod:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.api-mod .pre { font-family: "SF Mono", Menlo, monospace; font-size: 13px; color: var(--brand-1); background: rgba(91,108,255,.08); padding: 4px 10px; border-radius: 8px; display: inline-block; }
.api-mod h3 { font-size: 19px; font-weight: 800; margin: 12px 0 6px; }
.api-mod p { color: var(--c-ink-3); font-size: 14px; }
.api-table { width: 100%; border-collapse: collapse; margin-top: 30px; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.api-table th, .api-table td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--c-line); font-size: 14.5px; }
.api-table th { background: var(--c-surface-soft); font-weight: 800; }
.api-table td code { font-family: "SF Mono", Menlo, monospace; font-size: 13px; color: var(--brand-2); }
.method { font-weight: 800; font-size: 12px; padding: 3px 9px; border-radius: 6px; }
.method.get { background: #e6f6f1; color: #0a9e7a; } .method.post { background: #eaecff; color: #4453d6; }
.method.put { background: #fff1e6; color: #d97a2b; } .method.del { background: #fdeaea; color: #d24545; }
.bff-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap: 14px; margin-top: 30px; }
.bff-cat { background: #fff; border: 1px solid var(--c-line); border-radius: 14px; padding: 18px 20px; box-shadow: var(--shadow-sm); }
.bff-cat .cnt { font-size: 30px; font-weight: 900; } .bff-cat .cnt.gradient-text{display:inline-block;}
.bff-cat h4 { font-size: 16px; font-weight: 800; margin: 4px 0; }
.bff-cat p { font-size: 13px; color: var(--c-ink-3); font-family: "SF Mono", Menlo, monospace; }

/* ---------- FAQ ---------- */
.faq { max-width: 820px; margin: 50px auto 0; }
.faq-item { background: var(--kir-glass-bg); backdrop-filter: blur(8px); border: 1px solid var(--kir-glass-border); border-radius: 14px; margin-bottom: 12px; overflow: hidden; box-shadow: var(--kir-shadow-card); }
.faq-q { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 20px 24px; cursor: pointer; font-weight: 700; font-size: 16px; }
.faq-q .pm { font-size: 22px; color: var(--brand-2); transition: transform .3s; }
.faq-item.open .faq-q .pm { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease, padding .35s ease; padding: 0 24px; color: var(--c-ink-3); font-size: 15px; }
.faq-item.open .faq-a { max-height: 260px; padding: 0 24px 22px; }

/* ============================================================
   滚动入场动画
   ============================================================ */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; } .reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; } .reveal.d4 { transition-delay: .32s; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: none; } }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; max-width: 520px; }
  .ind-panel.active { grid-template-columns: 1fr; }
  .ind-panel .pic { order: -1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-float.f1 { left: 2%; } .hero-float.f2 { right: 2%; }
}
@media (max-width: 720px) {
  .nav { z-index: 100; }
  body.nav-menu-open .nav { z-index: 10001; }
  body.nav-menu-open .nav-backdrop { z-index: 10000; }
  body.nav-menu-open .ckb-ai-root { pointer-events: none; }
  .nav-cta-text { display: none !important; }
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    flex-direction: column;
    align-items: stretch;
    position: fixed;
    top: 62px;
    left: 12px;
    right: 12px;
    margin: 0;
    padding: 10px 8px 16px;
    gap: 2px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 16px 48px rgba(15, 23, 42, .18);
    border: 1px solid var(--c-line);
    z-index: 101;
    max-height: calc(100dvh - 80px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .nav-links.open { display: flex; animation: navDrop .22s ease; }
  @keyframes navDrop {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: none; }
  }
  .nav-links.open .nav-link {
    display: block;
    color: var(--c-ink);
    padding: 14px 12px;
    font-size: 16px;
    border-radius: 10px;
  }
  .nav-links.open .nav-link:active { background: rgba(59, 130, 246, .08); }
  .nav-links.open .nav-mobile-cta {
    display: block !important;
    margin-top: 8px;
    padding-top: 12px;
    border-top: 1px solid var(--c-line);
  }
  .nav-mobile-cta .btn {
    display: flex;
    width: 100%;
    justify-content: center;
    padding: 14px 16px;
    font-size: 15px;
  }
  .hero-stats { gap: 24px; } .hero-float { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .price-card.popular { transform: none; }
  .ind-metrics { flex-wrap: wrap; gap: 18px; }
  .api-table { display: block; overflow-x: auto; }
}