/* ═══════════════════════════════════════════════════════════
   芯芸达 GEO 武汉运营中心 — Design System
   品牌体系沿用总部（南京）既定规范：深翡翠绿主色 + 青绿点缀 + 暖橙 CTA
   Anti-slop: 无渐变文字 / 无 em-dash / 圆角 ≤ 16px / 单一强调色
   ═══════════════════════════════════════════════════════════ */

/* ── 1. TOKENS ─────────────────────────────────────────────── */
:root {
  /* Paper / ink */
  --paper: oklch(0.99 0.003 180);
  --ink: oklch(0.18 0.02 200);

  /* Deep emerald — 主色 */
  --primary: oklch(0.36 0.07 165);
  --primary-foreground: oklch(0.99 0.003 180);
  --primary-soft: oklch(0.94 0.04 175);
  --primary-deep: oklch(0.28 0.08 165);

  /* Bright teal — 点缀（标签、下划线、描边） */
  --accent-teal: oklch(0.78 0.13 180);
  --accent-teal-soft: oklch(0.95 0.04 180);

  /* CTA — 暖橙（唯一行动强调色） */
  --cta: oklch(0.85 0.16 90);
  --cta-foreground: oklch(0.18 0.02 200);

  /* Cream — 分带背景 */
  --cream-soft: oklch(0.965 0.018 75);
  --cream: oklch(0.93 0.03 72);
  --cream-deep: oklch(0.82 0.05 68);

  /* Neutrals */
  --muted: oklch(0.965 0.005 200);
  --muted-foreground: oklch(0.45 0.012 200);
  --rule: oklch(0.9 0.008 200);
  --border: oklch(0.92 0.008 200);

  /* Radius 系统：卡片 16px / 内嵌 10px / 胶囊按钮 */
  --radius-card: 16px;
  --radius-inner: 10px;

  /* 阴影（不叠加宽泛外发光） */
  --shadow-card: 0 1px 3px oklch(0.18 0.02 200 / 0.05), 0 4px 16px oklch(0.18 0.02 200 / 0.06);
  --shadow-card-hover: 0 4px 12px oklch(0.18 0.02 200 / 0.06), 0 12px 32px oklch(0.18 0.02 200 / 0.08);

  --section-gap: clamp(3.5rem, 6vw, 5.5rem);
  --header-h: 68px;
}

/* ── 2. BASE ───────────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: "Inter", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  font-feature-settings: "ss01", "cv11";
  overflow-x: hidden;
}

h1, h2, h3 {
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.15;
  text-wrap: balance;
}

h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); letter-spacing: -0.03em; }
h2 { font-size: clamp(1.75rem, 3.4vw, 2.6rem); letter-spacing: -0.025em; }
h3 { font-size: 1.25rem; }

p { text-wrap: pretty; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button { font: inherit; cursor: pointer; background: none; border: none; color: inherit; }
::selection { background: var(--accent-teal); color: var(--ink); }

:focus-visible {
  outline: 2px solid var(--accent-teal);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ── 3. LAYOUT UTILITIES ───────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 1.25rem;
}

/* Static news pages use a small Tailwind-like class subset from build.mjs. */
.mx-auto { margin-inline: auto; }
.max-w-4xl { max-width: 56rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.pt-6 { padding-top: 1.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-5 { margin-top: 1.25rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mt-12 { margin-top: 3rem; }
.flex { display: flex; }
.items-center { align-items: center; }
.gap-3 { gap: 0.75rem; }
.border-t { border-top: 1px solid var(--rule); }
.border-l-2 { border-left: 2px solid var(--rule); }
.border-primary\/30 { border-color: oklch(0.36 0.07 165 / 0.3); }
.hairline { border-color: var(--rule); }
.pl-4 { padding-left: 1rem; }
.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-base { font-size: 1rem; line-height: 1.5rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.font-mono { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; }
.font-display-black { font-family: "Inter", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; font-weight: 900; }
.uppercase { text-transform: uppercase; }
.tracking-\[0\.2em\] { letter-spacing: 0.2em; }
.tracking-tight { letter-spacing: 0; }
.leading-\[1\.25\] { line-height: 1.25; }
.leading-relaxed { line-height: 1.625; }
.break-keep { word-break: keep-all; overflow-wrap: anywhere; }
.text-balance { text-wrap: balance; }
.text-muted-foreground { color: var(--muted-foreground); }
.text-primary { color: var(--primary); }
.transition-colors { transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease; }
.hover\:text-primary:hover { color: var(--primary); }

@media (min-width: 768px) {
  .md\:text-lg { font-size: 1.125rem; line-height: 1.75rem; }
  .md\:text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
}

@media (min-width: 1024px) {
  .lg\:py-16 { padding-top: 4rem; padding-bottom: 4rem; }
}

.section {
  padding-block: var(--section-gap);
}

.bg-cream { background: var(--cream-soft); }
.bg-paper { background: var(--paper); }
.bg-dark {
  background: var(--primary-deep);
  color: var(--primary-foreground);
}

.section-head {
  max-width: 44rem;
  margin-bottom: clamp(2.5rem, 5vw, 3.75rem);
}
.section-head.center { margin-inline: auto; text-align: center; }
.section-head .lead { margin-top: 0.9rem; color: var(--muted-foreground); font-size: 1.02rem; max-width: 60ch; }
.section-head.center .lead { margin-inline: auto; }

/* 徽标式小标签（全站最多 2 处，避免模板化） */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  border-radius: 9999px;
  background: var(--accent-teal-soft);
  color: oklch(0.4 0.09 180);
  border: 1px solid oklch(0.78 0.13 180 / 0.4);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 1.4rem;
}

/* ── 4. BUTTONS ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  height: 3.25rem;
  padding: 0 1.75rem;
  border-radius: 9999px;
  font-size: 0.95rem;
  font-weight: 600;
  white-space: nowrap;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.25s ease, background 0.25s ease;
}

.btn-cta {
  background: var(--cta);
  color: var(--cta-foreground);
  box-shadow: 0 8px 24px -12px oklch(0.85 0.16 90 / 0.7);
}
.btn-cta:hover { transform: translateY(-2px); box-shadow: 0 12px 28px -12px oklch(0.85 0.16 90 / 0.8); }
.btn-cta .arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 9999px;
  background: var(--ink);
  color: var(--cta);
  font-size: 0.85rem;
  line-height: 1;
}

.btn-ghost {
  border: 1.5px solid var(--border);
  color: var(--ink);
  background: transparent;
}
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }

.btn-outline-teal {
  border: 1.5px solid var(--accent-teal);
  color: oklch(0.4 0.09 180);
  background: transparent;
}
.btn-outline-teal:hover { background: var(--accent-teal-soft); transform: translateY(-2px); }

.btn-lg { height: 3.6rem; padding-inline: 2.25rem; font-size: 1rem; }

/* ── 5. HEADER ─────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: oklch(0.28 0.08 165 / 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--primary-foreground);
  border-bottom: 1px solid oklch(1 0 0 / 0.1);
}

.site-header .bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: var(--header-h);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  min-width: 0;
}
.brand img { width: 38px; height: 38px; border-radius: 9px; background: var(--paper); object-fit: cover; }
.brand .brand-name { font-weight: 900; letter-spacing: -0.02em; font-size: 1.05rem; white-space: nowrap; }
.brand .brand-sub { display: block; font-size: 0.62rem; font-weight: 500; letter-spacing: 0.06em; color: oklch(1 0 0 / 0.55); white-space: nowrap; }

.site-nav { display: flex; align-items: center; gap: 1.6rem; }
.site-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: oklch(1 0 0 / 0.82);
  transition: color 0.2s ease;
  white-space: nowrap;
}
.site-nav a:hover { color: var(--cta); }
.site-nav a.active { color: var(--cta); }

.header-actions { display: flex; align-items: center; gap: 0.9rem; }
.hotline {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--cta);
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.hotline:hover { color: oklch(0.9 0.16 90); }

.btn-header {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  height: 2.6rem;
  padding: 0 0.9rem 0 1.2rem;
  border-radius: 9999px;
  background: var(--cta);
  color: var(--cta-foreground);
  font-size: 0.88rem;
  font-weight: 600;
  white-space: nowrap;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.btn-header:hover { transform: translateY(-1px); box-shadow: 0 8px 20px -10px oklch(0.85 0.16 90 / 0.7); }
.btn-header .dot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 9999px;
  background: var(--ink);
  color: var(--cta);
}

/* 移动端菜单 */
.nav-toggle { display: none; width: 2.6rem; height: 2.6rem; border-radius: 9999px; border: 1px solid oklch(1 0 0 / 0.25); align-items: center; justify-content: center; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  display: block; width: 18px; height: 2px; background: var(--primary-foreground); border-radius: 2px; position: relative; transition: transform 0.25s ease, opacity 0.2s ease;
}
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 0; }
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
.nav-toggle.open span { background: transparent; }
.nav-toggle.open span::before { transform: rotate(45deg); top: 0; }
.nav-toggle.open span::after { transform: rotate(-45deg); top: 0; }

.mobile-nav {
  display: none;
  position: absolute;
  inset-inline: 0;
  top: var(--header-h);
  background: var(--primary-deep);
  border-bottom: 1px solid oklch(1 0 0 / 0.1);
  padding: 1rem 1.25rem 1.5rem;
  flex-direction: column;
  gap: 0.25rem;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  padding: 0.75rem 0.5rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  color: oklch(1 0 0 / 0.9);
}
.mobile-nav a:hover, .mobile-nav a.active { color: var(--cta); background: oklch(1 0 0 / 0.06); }

/* ── 6. HERO ───────────────────────────────────────────────── */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--primary-deep);
  color: var(--primary-foreground);
  border-bottom: 2px solid oklch(0.78 0.13 180 / 0.25);
  min-height: max(680px, 92dvh);
  display: flex;
  align-items: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url("../img/hero-bg.webp");
  background-size: cover;
  background-position: center;
  opacity: 0.5;
  will-change: transform;
}
.hero-wash {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 75% 80% at 50% 45%, oklch(0.18 0.05 175 / 0.5) 0%, oklch(0.16 0.06 175 / 0.78) 55%, oklch(0.12 0.06 175 / 0.94) 100%);
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, oklch(0.78 0.13 180 / 0.1) 1px, transparent 1px),
    linear-gradient(to bottom, oklch(0.78 0.13 180 / 0.1) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 40%, transparent 90%);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 40%, transparent 90%);
  opacity: 0.5;
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  padding-block: clamp(4rem, 9vh, 6rem);
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.95rem;
  border-radius: 9999px;
  background: oklch(1 0 0 / 0.1);
  border: 1px solid oklch(1 0 0 / 0.22);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 1.6rem;
  backdrop-filter: blur(4px);
}
.hero-eyebrow .live-dot {
  width: 7px; height: 7px; border-radius: 9999px;
  background: var(--cta);
  box-shadow: 0 0 0 0 oklch(0.85 0.16 90 / 0.6);
  animation: pulse-dot 2s ease-in-out infinite;
}

.hero h1 {
  color: var(--primary-foreground);
  font-size: clamp(2.5rem, 5.4vw, 4.1rem);
  line-height: 1.08;
}
.hero h1 .hl { color: var(--cta); }
.hero h1 .sub-line { display: block; margin-top: 0.15em; }

.hero-sub {
  margin-top: 1.5rem;
  max-width: 52ch;
  color: oklch(1 0 0 / 0.78);
  font-size: clamp(0.98rem, 1.6vw, 1.1rem);
}
.hero-sub strong { color: var(--primary-foreground); font-weight: 600; }

.hero-ctas { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 2.2rem; }
.hero-ctas .btn-ghost-light {
  border-color: oklch(1 0 0 / 0.4);
  color: var(--primary-foreground);
}
.hero-ctas .btn-ghost-light:hover { background: oklch(1 0 0 / 0.1); border-color: oklch(1 0 0 / 0.6); transform: translateY(-2px); }

.hero-note {
  margin-top: 1.6rem;
  font-size: 0.8rem;
  color: oklch(1 0 0 / 0.5);
  letter-spacing: 0.02em;
}

/* Hero 右侧：GEO 诊断卡（真实组件预览，非 div 假截图） */
.hero-panel {
  position: relative;
}
.hero-panel::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 18px;
  padding: 1px;
  background: linear-gradient(135deg, transparent, oklch(0.78 0.13 180 / 0.35), transparent);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}
.dash-card {
  position: relative;
  border-radius: 16px;
  background: oklch(0.99 0.003 180 / 0.96);
  color: var(--ink);
  overflow: hidden;
  box-shadow: 0 30px 60px -20px oklch(0.1 0.05 180 / 0.6);
  animation: float-card 6s ease-in-out infinite;
}

.dash-chrome {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.8rem 1.1rem;
  border-bottom: 1px solid var(--rule);
  background: var(--muted);
}
.dash-chrome i { width: 11px; height: 11px; border-radius: 9999px; display: block; }
.dash-chrome i:nth-child(1) { background: oklch(0.65 0.2 25); }
.dash-chrome i:nth-child(2) { background: var(--cta); }
.dash-chrome i:nth-child(3) { background: var(--accent-teal); }
.dash-chrome .t {
  margin-left: 0.6rem;
  font-size: 0.68rem;
  font-family: ui-monospace, "JetBrains Mono", monospace;
  color: var(--muted-foreground);
  letter-spacing: 0.04em;
}

.dash-body { padding: 1.4rem 1.4rem 1.6rem; }
.dash-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 1rem; }
.dash-head h3 { font-size: 1.05rem; font-weight: 800; }
.dash-head .tag { font-size: 0.65rem; font-weight: 700; color: var(--accent-teal); font-family: ui-monospace, monospace; letter-spacing: 0.1em; }

.kpi-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.7rem; }
.kpi {
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 0.85rem 0.95rem;
  background: var(--paper);
}
.kpi .k-label { font-size: 0.66rem; font-weight: 600; letter-spacing: 0.08em; color: var(--muted-foreground); text-transform: uppercase; display: flex; justify-content: space-between; }
.kpi .k-delta { color: var(--accent-teal); font-weight: 700; }
.kpi .k-value { font-size: 1.55rem; font-weight: 900; letter-spacing: -0.02em; color: var(--primary); font-variant-numeric: tabular-nums; margin-top: 0.2rem; }
.kpi .k-track { height: 5px; border-radius: 9999px; background: var(--muted); margin-top: 0.6rem; overflow: hidden; }
.kpi .k-track i { display: block; height: 100%; border-radius: 9999px; background: var(--primary); }

.dash-foot {
  margin-top: 1rem;
  padding: 0.85rem 1.1rem;
  border: 1.5px dashed oklch(0.9 0.01 180);
  border-radius: 10px;
  background: var(--primary-soft);
  font-size: 0.8rem;
  color: oklch(0.3 0.05 175);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
}
.dash-foot .mini-cta {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--cta-foreground);
  background: var(--cta);
  border-radius: 9999px;
  padding: 0.4rem 0.9rem;
  white-space: nowrap;
  transition: transform 0.2s ease;
}
.dash-foot .mini-cta:hover { transform: translateY(-1px); }

.hero-float-chip {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.95rem;
  border-radius: 9999px;
  background: oklch(0.99 0.003 180 / 0.94);
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 600;
  box-shadow: 0 12px 28px -12px oklch(0.1 0.05 180 / 0.5);
  border: 1px solid var(--rule);
  animation: float-chip 5.5s ease-in-out infinite;
}
.hero-float-chip svg { width: 15px; height: 15px; color: var(--accent-teal); }
.hero-float-chip.chip-1 { top: -1.2rem; left: -1.4rem; animation-delay: 0.3s; }
.hero-float-chip.chip-2 { bottom: 1.2rem; right: -1rem; animation-delay: 1.2s; }

/* ── 7. MARQUEE（全站仅此一处）────────────────────────────── */
.marquee-band { background: var(--primary); color: var(--primary-foreground); padding-block: 1.1rem; overflow: hidden; border-bottom: 1px solid oklch(1 0 0 / 0.08); }
.marquee-track { display: flex; gap: 2.2rem; width: max-content; animation: marquee 32s linear infinite; }
.marquee-band:hover .marquee-track { animation-play-state: paused; }
.marquee-item { display: flex; align-items: center; gap: 0.55rem; font-size: 0.92rem; font-weight: 600; color: oklch(1 0 0 / 0.85); white-space: nowrap; }
.marquee-item svg { width: 15px; height: 15px; color: var(--cta); flex-shrink: 0; }
.marquee-item.sep { color: oklch(1 0 0 / 0.25); }

/* ── 8. STATS ──────────────────────────────────────────────── */
.stats { border-block: 1px solid var(--rule); background: var(--paper); }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
.stat {
  text-align: center;
  padding-block: 0.5rem;
}
.stat .num {
  font-size: clamp(2.2rem, 4.4vw, 3.2rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--primary);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.stat .num .suffix { font-size: 0.6em; color: var(--accent-teal); }
.stat .label { margin-top: 0.6rem; font-size: 0.88rem; color: var(--muted-foreground); }
.stat + .stat { border-left: 1px solid var(--rule); }

/* ── 9. 为什么选择（编辑式双栏）───────────────────────────── */
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}
.why-aside { position: sticky; top: calc(var(--header-h) + 1.5rem); }
.why-aside h2 { margin-top: 0.2rem; }
.why-aside p { margin-top: 1.1rem; color: var(--muted-foreground); max-width: 46ch; }
.why-list { display: flex; flex-direction: column; }
.why-item {
  display: grid;
  grid-template-columns: 3.2rem 1fr;
  gap: 1.2rem;
  padding-block: 1.7rem;
  border-top: 1px solid var(--rule);
}
.why-item:last-child { border-bottom: 1px solid var(--rule); }
.why-item .idx {
  font-family: ui-monospace, monospace;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent-teal);
  padding-top: 0.15rem;
}
.why-item h3 { font-size: 1.2rem; margin-bottom: 0.45rem; }
.why-item p { font-size: 0.95rem; color: var(--muted-foreground); max-width: 52ch; }

/* ── 10. 服务体系（非对称网格）───────────────────────────── */
.services-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1.1rem;
}
.service-card {
  border: 1px solid var(--rule);
  border-radius: var(--radius-card);
  background: var(--paper);
  padding: 1.9rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.35s ease, border-color 0.35s ease;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); border-color: oklch(0.6 0.1 170 / 0.5); }
.service-card.wide { grid-column: span 2; }
.service-card .icon {
  width: 2.9rem;
  height: 2.9rem;
  border-radius: 12px;
  background: var(--primary-soft);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.2rem;
}
.service-card .icon svg { width: 1.4rem; height: 1.4rem; }
.service-card h3 { font-size: 1.15rem; margin-bottom: 0.5rem; }
.service-card p { font-size: 0.9rem; color: var(--muted-foreground); }
.service-card .num-tag {
  position: absolute;
  top: 1.6rem;
  right: 1.7rem;
  font-family: ui-monospace, monospace;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--border);
}
.service-card:hover .num-tag { color: var(--accent-teal); }
.service-card .points { margin-top: 1.1rem; display: flex; flex-direction: column; gap: 0.5rem; }
.service-card .points li { display: flex; gap: 0.55rem; font-size: 0.85rem; color: oklch(0.35 0.02 200); align-items: flex-start; }
.service-card .points li::before { content: "✓"; color: var(--primary); font-weight: 800; flex-shrink: 0; }

/* ── 11. 方法论（深色带 + 真顺序编号）───────────────────── */
.method { background: var(--primary-deep); color: var(--primary-foreground); position: relative; overflow: hidden; }
.method .bg-grid { opacity: 0.12; }
.method .section-head h2 { color: var(--primary-foreground); }
.method .section-head .lead { color: oklch(1 0 0 / 0.65); }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.1rem; }
.step {
  border: 1px solid oklch(1 0 0 / 0.14);
  border-radius: var(--radius-card);
  background: oklch(1 0 0 / 0.05);
  padding: 1.8rem 1.5rem;
  position: relative;
  transition: background 0.3s ease, transform 0.3s ease;
}
.step:hover { background: oklch(1 0 0 / 0.09); transform: translateY(-3px); }
.step .step-no {
  font-family: ui-monospace, monospace;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--cta);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.step .step-no::after { content: ""; flex: 1; height: 1px; background: oklch(1 0 0 / 0.15); }
.step h3 { font-size: 1.1rem; margin: 1rem 0 0.55rem; color: var(--primary-foreground); }
.step p { font-size: 0.86rem; color: oklch(1 0 0 / 0.62); line-height: 1.65; }
.step .dur {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: oklch(1 0 0 / 0.45);
  letter-spacing: 0.04em;
}

/* ── 12. 武汉本地化（图文分栏）───────────────────────────── */
.local-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2.5rem, 6vw, 4.5rem);
  align-items: center;
}
.local-scene {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  aspect-ratio: 4 / 3.4;
  background:
    radial-gradient(ellipse 60% 50% at 70% 20%, oklch(0.5 0.12 170 / 0.35), transparent 60%),
    linear-gradient(160deg, var(--primary-deep), oklch(0.2 0.07 180));
  display: flex;
  align-items: flex-end;
  padding: 1.6rem;
  border: 1px solid oklch(0.78 0.13 180 / 0.2);
}
.local-scene .scene-label {
  font-size: 0.95rem;
  font-weight: 700;
  color: oklch(1 0 0 / 0.85);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.local-scene .scene-label svg { width: 1.1rem; height: 1.1rem; color: var(--cta); }
.local-features { display: flex; flex-direction: column; }
.local-feature {
  display: grid;
  grid-template-columns: 2.6rem 1fr;
  gap: 1rem;
  padding-block: 1.35rem;
  border-top: 1px solid var(--rule);
}
.local-feature:last-child { border-bottom: 1px solid var(--rule); }
.local-feature .f-icon {
  width: 2.6rem; height: 2.6rem;
  border-radius: 10px;
  background: var(--accent-teal-soft);
  color: oklch(0.4 0.09 180);
  display: flex;
  align-items: center;
  justify-content: center;
}
.local-feature .f-icon svg { width: 1.2rem; height: 1.2rem; }
.local-feature h3 { font-size: 1.08rem; margin-bottom: 0.3rem; }
.local-feature p { font-size: 0.9rem; color: var(--muted-foreground); max-width: 52ch; }

/* ── 13. 案例（横向行，非统一卡片）───────────────────────── */
.case-row {
  display: grid;
  grid-template-columns: 11rem 1fr auto;
  gap: 1.5rem;
  align-items: center;
  padding: 1.8rem 0.5rem;
  border-top: 1px solid var(--rule);
  transition: background 0.25s ease;
}
.case-row:hover { background: var(--primary-soft); }
.case-row:last-child { border-bottom: 1px solid var(--rule); }
.case-row .case-tag {
  font-family: ui-monospace, monospace;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--primary);
  text-transform: uppercase;
}
.case-row .case-main h3 { font-size: 1.2rem; margin-bottom: 0.35rem; }
.case-row .case-main p { font-size: 0.9rem; color: var(--muted-foreground); max-width: 56ch; }
.case-row .case-metrics { display: flex; gap: 1.8rem; }
.case-metric { text-align: right; }
.case-metric .v { font-size: 1.5rem; font-weight: 900; letter-spacing: -0.02em; color: var(--primary); font-variant-numeric: tabular-nums; }
.case-metric:nth-child(2) .v { color: var(--accent-teal); }
.case-metric .l { font-size: 0.72rem; color: var(--muted-foreground); margin-top: 0.15rem; white-space: nowrap; }

/* ── 14. FAQ ──────────────────────────────────────────────── */
.faq-wrap { max-width: 46rem; margin-inline: auto; }
.faq-item { border-bottom: 1px solid var(--rule); }
.faq-item:first-child { border-top: 1px solid var(--rule); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  padding: 1.35rem 0.4rem;
  text-align: left;
  font-size: 1.04rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
  transition: color 0.2s ease;
}
.faq-q:hover { color: var(--primary); }
.faq-q .chev {
  flex-shrink: 0;
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 9999px;
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), background 0.2s ease;
}
.faq-item.open .chev { transform: rotate(45deg); background: var(--primary-soft); }
.faq-a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.faq-item.open .faq-a { grid-template-rows: 1fr; }
.faq-a .inner { overflow: hidden; }
.faq-a p { padding: 0 0.4rem 1.4rem; color: var(--muted-foreground); font-size: 0.95rem; max-width: 60ch; line-height: 1.8; }

/* ── 15. 资质条（E-E-A-T 信号）───────────────────────────── */
.cred-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.1rem; }
.cred {
  border: 1px solid var(--rule);
  border-radius: var(--radius-card);
  background: var(--paper);
  padding: 1.5rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.cred .c-icon { color: var(--primary); }
.cred .c-icon svg { width: 1.5rem; height: 1.5rem; }
.cred h3 { font-size: 1rem; }
.cred p { font-size: 0.82rem; color: var(--muted-foreground); line-height: 1.65; }

/* ── 16. CONTACT CTA ──────────────────────────────────────── */
.cta-band {
  background: var(--primary-deep);
  color: var(--primary-foreground);
  position: relative;
  overflow: hidden;
}
.cta-band .bg-grid { opacity: 0.12; }
.cta-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(2.5rem, 6vw, 4.5rem); align-items: start; position: relative; }
.cta-band h2 { color: var(--primary-foreground); }
.cta-band .lead { color: oklch(1 0 0 / 0.7); margin-top: 1rem; max-width: 46ch; }
.cta-points { margin-top: 1.8rem; display: flex; flex-direction: column; gap: 0.75rem; }
.cta-points li { display: flex; gap: 0.6rem; align-items: center; font-size: 0.95rem; color: oklch(1 0 0 / 0.85); }
.cta-points li svg { width: 1.1rem; height: 1.1rem; color: var(--cta); flex-shrink: 0; }

.contact-card {
  border-radius: var(--radius-card);
  background: var(--paper);
  color: var(--ink);
  padding: 2rem;
  box-shadow: 0 30px 60px -24px oklch(0.1 0.05 180 / 0.7);
}
.contact-card h3 { font-size: 1.3rem; margin-bottom: 1.4rem; }
.field { margin-bottom: 1rem; }
.field label { display: block; font-size: 0.84rem; font-weight: 600; margin-bottom: 0.4rem; color: oklch(0.35 0.02 200); }
.field input {
  width: 100%;
  height: 3rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0 0.95rem;
  font: inherit;
  font-size: 0.95rem;
  background: var(--paper);
  color: var(--ink);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.field input::placeholder { color: var(--muted-foreground); opacity: 0.75; }
.field input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px oklch(0.36 0.07 165 / 0.15);
}
.form-status {
  display: none;
  margin-top: 0.9rem;
  padding: 0.8rem 1rem;
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 600;
}
.form-status.ok { display: block; background: var(--primary-soft); color: var(--primary); }
.form-status.err { display: block; background: oklch(0.93 0.05 25 / 0.35); color: oklch(0.45 0.15 25); }
.btn-submit { width: 100%; margin-top: 0.4rem; }

.contact-info { margin-top: 1.6rem; padding-top: 1.4rem; border-top: 1px solid var(--rule); display: flex; flex-direction: column; gap: 0.7rem; }
.contact-info .ci { display: flex; gap: 0.7rem; align-items: flex-start; font-size: 0.88rem; color: oklch(0.4 0.02 200); }
.contact-info .ci svg { width: 1rem; height: 1rem; color: var(--primary); margin-top: 0.2rem; flex-shrink: 0; }
.contact-info .ci > span { min-width: 0; overflow-wrap: anywhere; }
.contact-info .ci a { font-weight: 700; color: var(--primary); }
.contact-info .ci a:hover { text-decoration: underline; text-underline-offset: 3px; }
.contact-info .ci .todo-tag {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--cta-foreground);
  background: var(--cta);
  border-radius: 9999px;
  padding: 0.15rem 0.55rem;
  margin-left: 0.4rem;
  vertical-align: middle;
}

/* ── 17. FOOTER ───────────────────────────────────────────── */
.site-footer { background: oklch(0.14 0.03 190); color: oklch(1 0 0 / 0.7); padding-top: 3.5rem; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2.5rem; padding-bottom: 2.5rem; }
.footer-brand img { width: 40px; height: 40px; border-radius: 10px; background: var(--paper); }
.footer-brand .fb-name { font-weight: 800; color: var(--primary-foreground); font-size: 1.05rem; margin-top: 0.9rem; }
.footer-brand p { font-size: 0.85rem; margin-top: 0.6rem; max-width: 34ch; line-height: 1.7; color: oklch(1 0 0 / 0.55); }
.footer-col h4 { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: oklch(1 0 0 / 0.45); margin-bottom: 1rem; }
.footer-col a { display: block; font-size: 0.88rem; color: oklch(1 0 0 / 0.7); padding-block: 0.3rem; transition: color 0.2s ease; }
.footer-col a:hover { color: var(--cta); }
.footer-bottom {
  border-top: 1px solid oklch(1 0 0 / 0.1);
  padding-block: 1.4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: oklch(1 0 0 / 0.4);
}
.footer-bottom a { color: oklch(1 0 0 / 0.55); }
.footer-bottom a:hover { color: var(--cta); }
.footer-bottom .icp { display: inline-flex; gap: 0.3rem; align-items: center; }

/* ── 18. REVEAL / ANIMATION 系统 ───────────────────────────
   隐藏态仅在 .js 生效（由 main.js 在 html 上加 class），
   无 JS / 爬虫环境下内容始终可见，不阻塞 AI 抓取。 */
.js .reveal, .js .reveal-l, .js .reveal-r, .js .reveal-scale, .js .reveal-stagger > * {
  opacity: 0;
  transition:
    opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.7s cubic-bezier(0.22, 1, 0.36, 1),
    filter 0.7s ease;
  will-change: transform, opacity, filter;
}
.js .reveal { transform: translateY(32px); }
.js .reveal-l { transform: translateX(-32px); }
.js .reveal-r { transform: translateX(32px); }
.js .reveal-scale { transform: scale(0.94); }
.js .reveal-stagger > * { transform: translateY(24px); }
.reveal.in-view, .reveal-l.in-view, .reveal-r.in-view, .reveal-scale.in-view { opacity: 1; transform: none; filter: none; }
.reveal-stagger.in-view > * { opacity: 1; transform: none; }
.reveal-stagger.in-view > *:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger.in-view > *:nth-child(2) { transition-delay: 90ms; }
.reveal-stagger.in-view > *:nth-child(3) { transition-delay: 180ms; }
.reveal-stagger.in-view > *:nth-child(4) { transition-delay: 270ms; }
.reveal-stagger.in-view > *:nth-child(5) { transition-delay: 360ms; }
.reveal-stagger.in-view > *:nth-child(6) { transition-delay: 450ms; }

/* 数字滚动 */
.js .stat .num { opacity: 0; transform: translateY(14px); transition: opacity 0.4s ease, transform 0.4s ease; }
.stat .num.counted { opacity: 1; transform: none; }

/* 滚动进度条（默认隐藏，滚动后才显示，避免顶部多余条带） */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--primary), var(--accent-teal), var(--cta));
  z-index: 200;
  border-radius: 0 3px 3px 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.25s ease;
}
.scroll-progress.visible { opacity: 1; }

/* 回到顶部 */
.to-top {
  position: fixed;
  right: 1.4rem;
  bottom: 1.4rem;
  width: 3rem;
  height: 3rem;
  border-radius: 9999px;
  background: var(--primary);
  color: var(--primary-foreground);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 28px -12px oklch(0.1 0.05 180 / 0.5);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
  z-index: 90;
}
.to-top.show { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { transform: translateY(-3px); }
.to-top svg { width: 1.1rem; height: 1.1rem; }

/* 3D tilt 卡片 */
.tilt-card { transform-style: preserve-3d; transition: transform 0.2s ease-out; }

/* Keyframes */
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes float-card { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes float-chip { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
@keyframes pulse-dot {
  0% { box-shadow: 0 0 0 0 oklch(0.85 0.16 90 / 0.55); }
  70% { box-shadow: 0 0 0 9px oklch(0.85 0.16 90 / 0); }
  100% { box-shadow: 0 0 0 0 oklch(0.85 0.16 90 / 0); }
}
@keyframes rise-in {
  from { opacity: 0; transform: translateY(26px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }

.anim-rise { animation: rise-in 0.8s cubic-bezier(0.22, 1, 0.36, 1) both; }
.anim-fade { animation: fade-in 1s ease both; }
.delay-1 { animation-delay: 0.12s; }
.delay-2 { animation-delay: 0.24s; }
.delay-3 { animation-delay: 0.36s; }
.delay-4 { animation-delay: 0.48s; }

/* ── 19. RESPONSIVE ───────────────────────────────────────── */
@media (max-width: 1024px) {
  .site-nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-panel { max-width: 540px; }
  .hero-float-chip.chip-2 { right: auto; left: 0.5rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 2rem 1rem; }
  .stat:nth-child(3) { border-left: none; }
  .stat:nth-child(even) { border-left: 1px solid var(--rule); }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .service-card.wide { grid-column: span 2; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .why-grid, .local-grid, .cta-grid { grid-template-columns: 1fr; }
  .why-aside { position: static; }
  .local-scene { max-width: 560px; }
  .cred-strip { grid-template-columns: repeat(2, 1fr); }
  .case-row { grid-template-columns: 1fr; gap: 0.8rem; padding-block: 1.5rem; }
  .case-row .case-metrics { justify-content: flex-start; }
  .case-metric { text-align: left; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .services-grid { grid-template-columns: 1fr; }
  .service-card.wide { grid-column: span 1; }
  .steps { grid-template-columns: 1fr; }
  .cred-strip { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .header-actions .btn-header span.label { display: none; }
  .header-actions .btn-header { padding-left: 1.1rem; }
  .hero-panel { margin-inline: auto; }
  .case-metrics { flex-wrap: wrap; gap: 1rem 1.6rem; }
}

@media (max-width: 520px) {
  .site-header .bar { gap: 0.75rem; }
  .header-actions { gap: 0.65rem; }
  .hotline { display: none; }
  .brand .brand-name { font-size: 1rem; }
}

/* ── 20. REDUCED MOTION ───────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal, .js .reveal-l, .js .reveal-r, .js .reveal-scale, .js .reveal-stagger > *,
  .js .stat .num { opacity: 1; transform: none; transition: none; }
  .marquee-track { animation: none; }
  .dash-card, .hero-float-chip, .hero-eyebrow .live-dot { animation: none; }
  * { scroll-behavior: auto !important; }
}

/* ═══════════════════════════════════════════════════════════
   21. 信任背书 / 客户反馈 / GEO 流程详情 / 新闻与 FAQ
   ═══════════════════════════════════════════════════════════ */

/* ── 证书墙（首页 & 关于页） ──────────────────────────── */
.cert-wall {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.cert-card {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius-card);
  padding: 1rem;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  cursor: zoom-in;
}
.cert-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); border-color: oklch(0.6 0.1 170 / 0.5); }
.cert-card .cert-img {
  aspect-ratio: 1 / 1;
  background: var(--paper);
  border-radius: 10px;
  padding: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-bottom: 0.9rem;
  border: 1px solid oklch(0.95 0.005 180);
}
.cert-card .cert-img img { width: 100%; height: 100%; object-fit: contain; transition: transform 0.4s ease; }
.cert-card:hover .cert-img img { transform: scale(1.04); }
.cert-card h3 { font-size: 0.92rem; line-height: 1.45; font-weight: 700; margin-bottom: 0.3rem; }
.cert-card p { font-size: 0.78rem; color: var(--muted-foreground); line-height: 1.65; }

/* 证书大图 lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: oklch(0.12 0.03 190 / 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s;
}
.lightbox.open { opacity: 1; visibility: visible; }
.lightbox img { max-width: min(92vw, 880px); max-height: 88dvh; border-radius: 12px; box-shadow: 0 30px 80px oklch(0 0 0 / 0.4); }
.lightbox-close {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 9999px;
  background: oklch(1 0 0 / 0.12);
  border: 1px solid oklch(1 0 0 / 0.25);
  color: oklch(1 0 0 / 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, transform 0.2s ease;
}
.lightbox-close:hover { background: oklch(1 0 0 / 0.2); transform: rotate(90deg); }

/* ── 客户反馈（首页） ────────────────────────────────── */
.feedback-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}
.feedback-card {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: 1.2rem;
  padding: 1.4rem;
  border: 1px solid var(--rule);
  border-radius: var(--radius-card);
  background: var(--paper);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.feedback-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-card-hover); }
.feedback-card .f-img {
  aspect-ratio: 1 / 1;
  background: var(--muted);
  border-radius: 10px;
  overflow: hidden;
}
.feedback-card .f-img img { width: 100%; height: 100%; object-fit: cover; }
.feedback-card .f-meta {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 0.45rem;
}
.feedback-card .f-company { font-weight: 800; font-size: 0.95rem; }
.feedback-card .f-type {
  font-size: 0.7rem;
  font-weight: 700;
  color: oklch(0.4 0.09 180);
  background: var(--accent-teal-soft);
  padding: 0.2rem 0.55rem;
  border-radius: 9999px;
  letter-spacing: 0.04em;
}
.feedback-card p { font-size: 0.85rem; color: var(--muted-foreground); line-height: 1.65; }

/* ── GEO 十步登峰诀（geo 页） ────────────────────────── */
.geo-intro {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: 1.5rem;
  border-top: 1px solid var(--rule);
  padding-top: 2rem;
}
.geo-intro .geo-num {
  font-family: ui-monospace, monospace;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--primary);
  text-transform: uppercase;
}
.geo-intro h3 { font-size: 1.45rem; font-weight: 800; margin-bottom: 0.6rem; letter-spacing: -0.02em; }
.geo-intro p { color: var(--muted-foreground); max-width: 62ch; line-height: 1.8; }

.steps-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.9rem;
}
.summit-card {
  border: 1px solid var(--rule);
  border-radius: var(--radius-card);
  background: var(--paper);
  padding: 1.7rem 1.5rem;
  position: relative;
  transition: background 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}
.summit-card:hover { background: var(--primary-soft); border-color: oklch(0.6 0.1 170 / 0.5); transform: translateY(-3px); }
.summit-card.summit {
  grid-column: span 2;
  background: var(--primary);
  color: var(--primary-foreground);
  border-color: var(--primary);
}
.summit-card .step-n {
  font-family: ui-monospace, monospace;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--accent-teal);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.8rem;
}
.summit-card.summit .step-n { color: var(--cta); }
.summit-card .step-n::after { content: ""; flex: 1; height: 1px; background: currentColor; opacity: 0.2; }
.summit-card h3 {
  font-size: 1.6rem;
  font-weight: 900;
  letter-spacing: -0.025em;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.summit-card .step-name { color: var(--primary); }
.summit-card.summit .step-name { color: var(--primary-foreground); }
.summit-card .step-deco { font-size: 0.95rem; font-weight: 500; color: var(--muted-foreground); }
.summit-card.summit .step-deco { color: oklch(1 0 0 / 0.7); }

.deliver-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--rule);
  border-radius: var(--radius-card);
  overflow: hidden;
  font-size: 0.92rem;
}
.deliver-table thead th {
  background: var(--cream-soft);
  text-align: left;
  font-weight: 700;
  padding: 1rem 1.1rem;
  color: oklch(0.3 0.02 200);
  border-bottom: 1px solid var(--rule);
  letter-spacing: 0.01em;
}
.deliver-table tbody td {
  padding: 1.1rem;
  border-top: 1px solid var(--rule);
  vertical-align: top;
  line-height: 1.65;
}
.deliver-table tbody tr:first-child td { border-top: 0; }
.deliver-table .d-step {
  font-family: ui-monospace, monospace;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--primary);
  text-transform: uppercase;
}
.deliver-table .d-name { font-size: 1.1rem; font-weight: 800; margin-top: 0.2rem; }
.deliver-table .d-check { color: var(--muted-foreground); }
.deliver-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* ── 服务流程九步（services 页） ─────────────────────── */
.process-list { display: flex; flex-direction: column; }
.process-row {
  display: grid;
  grid-template-columns: 5rem 1fr;
  gap: 1.5rem;
  padding-block: 2rem;
  border-top: 1px solid var(--rule);
}
.process-row:last-child { border-bottom: 1px solid var(--rule); }
.process-row .p-n {
  font-family: ui-monospace, monospace;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--accent-teal);
  text-transform: uppercase;
}
.process-row h3 { font-size: 1.35rem; font-weight: 800; margin-bottom: 1rem; letter-spacing: -0.02em; }
.process-row dl { display: flex; flex-direction: column; }
.process-row .p-item {
  display: grid;
  grid-template-columns: minmax(8rem, 12rem) 1fr;
  gap: 1rem;
  padding-block: 0.9rem;
  border-top: 1px solid var(--rule);
}
.process-row .p-item:first-child { border-top: 0; padding-top: 0; }
.process-row dt { font-weight: 700; font-size: 0.95rem; color: var(--ink); }
.process-row dd { font-size: 0.9rem; color: var(--muted-foreground); line-height: 1.75; max-width: 60ch; }

/* ── 页面顶部的 PageHeader（替代单页版 page-shell.PageHeader） ─ */
.page-header {
  position: relative;
  overflow: hidden;
  background: var(--primary-deep);
  color: var(--primary-foreground);
  padding-block: clamp(4rem, 8vw, 5.5rem);
}
.page-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, oklch(0.78 0.13 180 / 0.1) 1px, transparent 1px),
    linear-gradient(to bottom, oklch(0.78 0.13 180 / 0.1) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 40%, transparent 90%);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 40%, transparent 90%);
  opacity: 0.4;
}
.page-header .ph-inner {
  position: relative;
  max-width: 56rem;
  margin-inline: auto;
  text-align: center;
  padding-inline: 1.25rem;
}
.page-header .ph-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.95rem;
  border-radius: 9999px;
  background: oklch(1 0 0 / 0.1);
  border: 1px solid oklch(1 0 0 / 0.22);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  color: oklch(1 0 0 / 0.85);
}
.page-header h1 {
  font-size: clamp(2rem, 4.6vw, 3.2rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.12;
  color: var(--primary-foreground);
  text-wrap: balance;
}
.page-header h1 .hl { color: var(--cta); }
.page-header h1 .sub-line { display: block; margin-top: 0.2em; }
.page-header .ph-sub {
  margin-top: 1.2rem;
  color: oklch(1 0 0 / 0.78);
  font-size: clamp(0.96rem, 1.5vw, 1.08rem);
  max-width: 60ch;
  margin-inline: auto;
}

/* ── 新闻与 FAQ 列表（共用） ──────────────────────────── */
.list-wrap { max-width: 52rem; margin-inline: auto; }
.list-row {
  display: block;
  padding: 1.6rem 0.5rem;
  border-top: 1px solid var(--rule);
  transition: background 0.25s ease, padding-left 0.25s ease, border-color 0.25s ease;
}
.list-row:first-child { border-top: 0; padding-top: 0.6rem; }
.list-row:hover {
  background: var(--primary-soft);
  padding-left: 1rem;
  border-color: oklch(0.6 0.1 170 / 0.5);
}
.list-row .lr-meta {
  font-family: ui-monospace, monospace;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--muted-foreground);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  display: flex;
  gap: 0.7rem;
  align-items: center;
}
.list-row h3 { font-size: 1.25rem; font-weight: 800; letter-spacing: -0.015em; margin-bottom: 0.4rem; }
.list-row p { color: var(--muted-foreground); font-size: 0.95rem; max-width: 60ch; }
.list-row.is-empty {
  color: var(--muted-foreground);
  text-align: center;
  padding: 3rem 1rem;
  border: 1px dashed var(--rule);
  border-radius: var(--radius-card);
  background: oklch(0.98 0.005 200 / 0.4);
}

/* 资讯分页（左侧/右侧文本按钮 + 中间数字徽章） */
.pagination {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  align-items: center;
  margin-top: 2.5rem;
  font-size: 0.92rem;
}
.pagination .pager-edge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  height: 2.4rem;
  padding: 0 0.9rem;
  border-radius: 9999px;
  font-weight: 600;
  color: var(--muted-foreground);
  transition: background 0.2s ease, color 0.2s ease;
}
.pagination .pager-edge:hover { background: var(--primary-soft); color: var(--primary); }
.pagination .pager-edge.disabled { opacity: 0.35; pointer-events: none; }
.pagination .pager-num {
  min-width: 2.4rem;
  height: 2.4rem;
  padding: 0 0.7rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 9999px;
  font-weight: 700;
  color: var(--muted-foreground);
  border: 1px solid transparent;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.pagination .pager-num:hover { background: var(--primary-soft); color: var(--primary); border-color: oklch(0.78 0.13 180 / 0.3); }
.pagination .pager-num.current {
  background: var(--primary);
  color: var(--primary-foreground);
  pointer-events: none;
  box-shadow: 0 4px 14px -6px oklch(0.36 0.07 165 / 0.5);
}
.pagination .pager-gap {
  width: 1.4rem;
  text-align: center;
  color: var(--muted-foreground);
  letter-spacing: 0.05em;
  user-select: none;
}

/* 白皮书 / 红皮书：章节导航 + 分页阅读 */
.paper-reader {
  padding: 3rem 0 5rem;
}
.paper-layout {
  display: grid;
  grid-template-columns: minmax(13rem, 17rem) minmax(0, 52rem);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}
.paper-nav {
  position: sticky;
  top: calc(var(--header-h) + 1rem);
  max-height: calc(100vh - var(--header-h) - 2rem);
  overflow: auto;
  padding-right: 1rem;
  border-right: 1px solid var(--rule);
}
.paper-nav-title {
  margin-bottom: 0.75rem;
  color: var(--muted-foreground);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
}
.paper-nav ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}
.paper-nav a {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 0.65rem;
  align-items: start;
  padding: 0.7rem;
  border-radius: 8px;
  color: var(--muted-foreground);
  transition: background 0.2s ease, color 0.2s ease;
}
.paper-nav a:hover,
.paper-nav a.is-active {
  background: var(--primary-soft);
  color: var(--primary);
}
.paper-nav a span {
  padding-top: 0.08rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.72rem;
  color: var(--accent-teal);
}
.paper-nav a strong {
  min-width: 0;
  font-size: 0.9rem;
  line-height: 1.45;
  font-weight: 700;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}
.paper-main {
  min-width: 0;
}
.paper-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--rule);
}
.paper-kicker {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--accent-teal);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0;
}
.paper-toolbar strong {
  display: block;
  color: var(--ink);
  font-size: 1.05rem;
  line-height: 1.45;
  letter-spacing: 0;
}
.paper-count {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.18rem;
  min-height: 2.2rem;
  padding: 0 0.75rem;
  border: 1px solid var(--rule);
  border-radius: 8px;
  color: var(--muted-foreground);
  font-weight: 800;
}
.paper-content {
  max-width: none;
  padding: 0;
  overflow-x: clip;
}
.paper-page {
  display: block;
}
.paper-paged .paper-page {
  display: none;
}
.paper-paged .paper-page.is-active {
  display: block;
}
.paper-page > h2:first-child,
.paper-page > h3:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}
.paper-pagination {
  margin-top: 2.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
}
.paper-pagination .pager-edge.disabled {
  cursor: default;
}
.article-content .article-table-wrap {
  overflow-x: auto;
  margin: 1.4em 0;
}
.article-content .article-table-wrap table {
  min-width: 40rem;
  margin: 0;
}

/* 资讯说明 banner：左色块 + 文本，置于分页与 CTA 之间 */
.info-banner {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  max-width: 36rem;
  margin: 2rem auto 0;
  padding: 0.85rem 1.1rem;
  background: var(--accent-teal-soft);
  border-radius: 12px;
  border-left: 3px solid var(--accent-teal);
  font-size: 0.85rem;
  color: oklch(0.35 0.05 180);
  line-height: 1.65;
}
.info-banner .ib-icon { flex-shrink: 0; color: var(--accent-teal); margin-top: 0.1rem; }
.info-banner code {
  font-family: ui-monospace, monospace;
  font-size: 0.78rem;
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  background: oklch(1 0 0 / 0.6);
  color: oklch(0.28 0.05 175);
  white-space: nowrap;
}

/* 新闻详情正文（CMS 内容是 HTML） */
.article-content img { margin: 1.4em auto; display: block; border-radius: 10px; max-width: 100%; max-height: clamp(280px, 50vh, 460px); height: auto; object-fit: contain; background: oklch(0.97 0.005 200); }
.article-content iframe { width: 100%; aspect-ratio: 16 / 9; border: 0; border-radius: 10px; margin: 1.4em 0; }
.article-content table { width: 100%; border-collapse: collapse; margin: 1.4em 0; font-size: 0.92rem; }
.article-content th, .article-content td { border: 1px solid var(--rule); padding: 0.6rem 0.85rem; text-align: left; }
.article-content th { background: var(--muted); }

/* 详情页 article 容器：防御性防止子元素撑出视口 */
article { overflow-x: clip; }

/* ── 响应式补充 ──────────────────────────────────────── */
@media (max-width: 1024px) {
  .cert-wall { grid-template-columns: repeat(3, 1fr); }
  .feedback-grid { grid-template-columns: 1fr; }
  .feedback-card { grid-template-columns: 6rem 1fr; }
  .process-row { grid-template-columns: 4rem 1fr; gap: 1rem; }
  .process-row .p-item { grid-template-columns: 1fr; gap: 0.3rem; }
}
@media (max-width: 640px) {
  .cert-wall { grid-template-columns: repeat(2, 1fr); gap: 0.7rem; }
  .cert-card { padding: 0.75rem; }
  .cert-card h3 { font-size: 0.82rem; }
  .cert-card p { font-size: 0.72rem; }
  .feedback-card { grid-template-columns: 1fr; }
  .feedback-card .f-img { aspect-ratio: 16 / 9; }
  .steps-grid { grid-template-columns: 1fr; }
  .summit-card.summit { grid-column: span 1; }
  .geo-intro { grid-template-columns: 1fr; gap: 0.6rem; }
  .geo-intro .geo-num { font-size: 0.7rem; }
  .process-row { grid-template-columns: 1fr; gap: 0.6rem; padding-block: 1.5rem; }
}

/* ═══════════════════════════════════════════════════════════
   22. 全局细节打磨
   ═══════════════════════════════════════════════════════════ */

/* 正文中链接：默认无下划线、hover 时实色 + 下划线浮现，避免"链接看起来像普通文字" */
.article-content a:not([class]) {
  color: var(--primary);
  text-decoration: underline;
  text-decoration-color: oklch(0.36 0.07 165 / 0.4);
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: text-decoration-color 0.2s ease;
}
.article-content a:not([class]):hover {
  text-decoration-color: var(--primary);
  text-decoration-thickness: 2px;
}

/* 自定义滚动条（webkit） */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--muted); }
::-webkit-scrollbar-thumb {
  background: oklch(0.65 0.04 175);
  border-radius: 9999px;
  border: 2px solid var(--muted);
}
::-webkit-scrollbar-thumb:hover { background: var(--primary); }
* { scrollbar-color: oklch(0.65 0.04 175) var(--muted); scrollbar-width: thin; }

/* 自定义选区颜色 */
::selection { background: oklch(0.78 0.13 180 / 0.35); color: var(--ink); }

/* 滚动平滑到锚点 */
html { scroll-padding-top: calc(var(--header-h) + 16px); }

/* 链接可访问性：键盘聚焦明显 */
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent-teal);
  outline-offset: 3px;
  border-radius: 6px;
}

/* 通用按钮按下反馈（更明显的触感） */
.btn:active:not(:disabled) {
  transform: translateY(0) scale(0.99);
  transition: transform 0.08s ease;
}

/* 表单输入聚焦时蓝色光晕 */
.field input:focus-visible {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px oklch(0.36 0.07 165 / 0.18);
}

/* 案例行 hover：左侧色块指示 */
.case-row {
  position: relative;
}
.case-row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 25%;
  bottom: 25%;
  width: 3px;
  background: var(--primary);
  border-radius: 0 3px 3px 0;
  opacity: 0;
  transition: opacity 0.25s ease;
}
.case-row:hover::before { opacity: 1; }
.case-row:hover { padding-left: 1rem; }

/* 服务体系卡片 hover 顶部色条 */
.service-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent-teal));
  border-radius: var(--radius-card) var(--radius-card) 0 0;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.service-card { position: relative; }
.service-card:hover::before { opacity: 1; }
.service-card:hover { transform: translateY(-4px); }

/* 方法论最后一步（进化）左侧加 "顶峰" 标记 */
.summit-card.summit {
  position: relative;
}
.summit-card.summit::before {
  content: "SUMMIT";
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  font-family: ui-monospace, monospace;
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  color: var(--cta);
  background: oklch(1 0 0 / 0.12);
  padding: 0.3rem 0.6rem;
  border-radius: 9999px;
  border: 1px solid oklch(0.85 0.16 90 / 0.4);
}

/* FAQ 折叠图标：+ 变 × 旋转更明显 */
.faq-q .chev {
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), background 0.2s ease, color 0.2s ease;
}
.faq-q:hover .chev { background: var(--primary-soft); color: var(--primary); }
.faq-item.open .chev { transform: rotate(45deg); background: var(--primary); color: var(--primary-foreground); }

/* 页面顶部 Hero 强调按钮 hover 提升 */
.hero-ctas .btn-cta {
  box-shadow: 0 8px 24px -12px oklch(0.85 0.16 90 / 0.7);
}
.hero-ctas .btn-cta:hover {
  box-shadow: 0 14px 32px -12px oklch(0.85 0.16 90 / 0.85);
}

/* 移动端 tap 高亮去除（更专业） */
* { -webkit-tap-highlight-color: transparent; }

/* 标题文字选择优化：粘性 */
h1, h2, h3, h4 { text-wrap: balance; }

/* hero 视觉微调：底部弱渐变过渡 */
.hero { background: var(--primary-deep); }
.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 60px;
  background: linear-gradient(to bottom, transparent, oklch(0.22 0.07 180 / 0.4));
  pointer-events: none;
}

/* 案例行：左缩进与色块已通过 .case-row::before 实现；补充：metrics 数值加粗更明显 */
.case-metric .v { font-size: 1.55rem; font-weight: 900; letter-spacing: -0.02em; }
.case-metric:nth-child(2) .v { color: oklch(0.5 0.12 175); }

/* 服务流程小项 dt 加左侧序号圆点 */
.process-row .p-item {
  position: relative;
  padding-left: 1.4rem;
}
.process-row .p-item::before {
  content: "▸";
  position: absolute;
  left: 0.1rem;
  top: 0.92rem;
  color: var(--accent-teal);
  font-size: 0.9rem;
  font-weight: 700;
}
.process-row dt { padding-left: 0; }

/* 步骤卡片（method 页）的 step-n 数字加 emoji 装饰 */
.summit-card .step-n {
  font-feature-settings: "tnum";
  letter-spacing: 0.16em;
}

/* FAQ 选项中的列表项留适当间距 */
.faq-a ul, .faq-a ol { padding-left: 1.5rem; margin: 0.6rem 0 1rem; }
.faq-a ul li, .faq-a ol li { margin: 0.35rem 0; }

/* 排版细节：避免孤行 */
p { orphans: 3; widows: 3; }

/* 列表行 hover 时显示右侧箭头 */
.list-row::after {
  content: "→";
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--primary);
  font-size: 1.1rem;
  opacity: 0;
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.list-row:hover::after { opacity: 1; transform: translateY(-50%) translateX(4px); }
.list-row { position: relative; }

/* 证书卡 hover 加深 + 提升 */
.cert-card {
  cursor: zoom-in;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease, border-color 0.3s ease;
}
.cert-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 28px -10px oklch(0.36 0.07 165 / 0.18);
  border-color: var(--primary);
}

/* 客户反馈卡图片左上角 logo 浮层 */
.feedback-card .f-img {
  position: relative;
}
.feedback-card .f-img::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, oklch(1 0 0 / 0.18), transparent 60%);
  pointer-events: none;
}

/* 表单卡片微动效 */
.contact-card {
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.contact-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 32px 64px -24px oklch(0.1 0.05 180 / 0.6);
}

/* 移动端分页适配 */
@media (max-width: 640px) {
  .pagination { gap: 0.35rem; }
  .pagination .pager-edge { font-size: 0.85rem; padding: 0 0.7rem; height: 2.2rem; }
  .pagination .pager-num { min-width: 2.2rem; height: 2.2rem; font-size: 0.85rem; }
  .pagination .pager-gap { width: 1rem; }
}

@media (max-width: 900px) {
  .paper-reader { padding-top: 2.5rem; }
  .paper-layout { display: block; }
  .paper-nav {
    position: static;
    max-height: none;
    overflow: visible;
    margin-bottom: 1.5rem;
    padding: 0 0 1rem;
    border-right: 0;
    border-bottom: 1px solid var(--rule);
  }
  .paper-nav ol {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 0.3rem;
    scroll-snap-type: x proximity;
  }
  .paper-nav li {
    flex: 0 0 min(16rem, 82vw);
    scroll-snap-align: start;
  }
  .paper-nav a {
    min-height: 4.1rem;
    border: 1px solid var(--rule);
  }
}

@media (max-width: 640px) {
  .paper-reader { padding-bottom: 4rem; }
  .paper-toolbar {
    display: grid;
    align-items: start;
  }
  .paper-count { justify-self: start; }
  .paper-pagination { justify-content: flex-start; }
  .article-content .article-table-wrap table { min-width: 34rem; }
}

/* 标题颜色渐变（首页 H1 第二行） */
.hero h1 .hl { color: var(--cta); }

/* 关键 CTA 在桌面更醒目 */
@media (min-width: 1024px) {
  .btn-cta.btn-lg { font-size: 1.02rem; padding-inline: 2.4rem; }
}

/* 强调色文本细节：副标题颜色更柔和 */
.hero-sub strong { font-weight: 700; }
.hero-sub strong + strong { color: var(--cta); }

/* 表单状态：成功后强调 */
.form-status.ok { border-left: 3px solid var(--primary); }

/* 详情页顶部返回链接增加左侧图标 */
.article a[href*="news.html"]::before {
  content: "← ";
  font-weight: 700;
}

/* 详情页正文标题层级清晰 */
.article-content h2 { margin: 2em 0 0.7em; padding-top: 0.6em; border-top: 1px solid oklch(0.94 0.005 200); font-size: clamp(1.4rem, 2.4vw, 1.7rem); font-weight: 800; letter-spacing: -0.02em; scroll-margin-top: calc(var(--header-h) + 12px); }
.article-content h2:first-child { border-top: 0; padding-top: 0; }
.article-content h3 { margin: 1.6em 0 0.5em; color: var(--primary); font-size: 1.1rem; font-weight: 700; }

/* 文章正文段落、列表与排版（之前缺失导致"样式裸"） */
.article-content p { margin: 1.1em 0; line-height: 1.85; }
.article-content p:first-child { margin-top: 0; }
.article-content strong { font-weight: 700; color: oklch(0.15 0.04 165); }
.article-content em { font-style: normal; color: oklch(0.35 0.02 200); border-bottom: 1px dotted var(--accent-teal); padding-bottom: 1px; }
.article-content code { background: var(--muted); padding: 0.12em 0.45em; border-radius: 4px; font-size: 0.88em; font-family: ui-monospace, monospace; color: oklch(0.2 0.05 165); border: 1px solid oklch(0.92 0.005 200); }
.article-content ul, .article-content ol { padding-left: 1.6rem; margin: 1em 0; }
.article-content ul li, .article-content ol li { margin: 0.5em 0; padding-left: 0.3em; line-height: 1.75; }
.article-content ul li::marker, .article-content ol li::marker { color: var(--primary); font-weight: 700; }
.article-content blockquote { border-left: 3px solid var(--accent-teal); background: var(--accent-teal-soft); padding: 1em 1.2em; margin: 1.4em 0; border-radius: 0 8px 8px 0; color: oklch(0.3 0.05 180); }
.article-content hr { border: 0; height: 1px; background: var(--rule); margin: 2.5em 0; }
.article-content h1 { font-size: clamp(1.5rem, 2.6vw, 1.85rem); margin: 2em 0 0.6em; font-weight: 800; }

/* footer 列标题间距 */
.footer-col h4 { letter-spacing: 0.14em; }

/* 所有页面加一种微妙的可访问性聚焦提示 */
[tabindex]:focus-visible, a:focus-visible, button:focus-visible {
  outline-offset: 4px;
}

/* 最终：动效一致性 */
* {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}