/* =========================================================
   云翼信息 · 官网设计系统
   modern-minimal × tech-utility
   ========================================================= */

:root {
  --bg:        oklch(98.5% 0.004 255);
  --surface:   oklch(100% 0 0);
  --surface-2: oklch(97% 0.005 255);
  --fg:        oklch(21% 0.02 260);
  --muted:     oklch(52% 0.018 260);
  --faint:     oklch(57% 0.016 260);
  --border:    oklch(91% 0.006 260);
  --border-2:  oklch(86% 0.008 260);

  --accent:      oklch(56% 0.17 256);
  --accent-press:oklch(49% 0.16 256);
  --accent-soft: oklch(95% 0.03 256);
  --accent-line: oklch(80% 0.08 256);
  --brand-grad:  linear-gradient(118deg, #1E9BF0 0%, #13B5AE 52%, #27C766 100%);

  --ink:       oklch(20% 0.028 264);
  --ink-2:     oklch(26% 0.03 264);
  --on-ink:    oklch(96% 0.006 255);
  --on-ink-mut:oklch(72% 0.02 258);

  --ok:   oklch(58% 0.13 155);
  --warn: oklch(72% 0.14 70);

  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC",
               "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", system-ui, sans-serif;
  --font-mono: "SF Mono", "JetBrains Mono", "IBM Plex Mono", ui-monospace, Menlo, monospace;

  --maxw: 1200px;
  --r-sm: 8px;
  --r:    14px;
  --r-lg: 22px;

  --sp: clamp(64px, 9vw, 128px);

  --shadow: 0 1px 2px oklch(20% 0.02 260 / 0.04), 0 8px 28px oklch(20% 0.02 260 / 0.06);
  --shadow-lg: 0 20px 60px oklch(20% 0.03 260 / 0.12);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--fg);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

/* ---------- layout ---------- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: var(--sp) 0; }
.section--tight { padding: clamp(48px, 6vw, 88px) 0; }

.lead { max-width: 62ch; }

/* ---------- type ---------- */
h1, h2, h3, h4 { font-weight: 600; letter-spacing: -0.02em; line-height: 1.1; color: var(--fg); }
h1 { font-size: clamp(38px, 5.4vw, 66px); letter-spacing: -0.03em; line-height: 1.04; }
h2 { font-size: clamp(28px, 3.6vw, 44px); }
h3 { font-size: clamp(20px, 2vw, 26px); letter-spacing: -0.015em; }
p  { color: var(--muted); }
strong { color: var(--fg); font-weight: 600; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px; font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--accent);
  text-transform: uppercase;
}
.eyebrow::before {
  content: ""; width: 18px; height: 1px; background: var(--accent-line);
}
.section-head { max-width: 720px; margin-bottom: clamp(36px, 5vw, 56px); }
.section-head h2 { margin: 16px 0 14px; }
.section-head p { font-size: clamp(16px, 1.4vw, 18px); }

.num-tag { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 15px; font-weight: 550;
  padding: 13px 22px; border-radius: 999px;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .12s ease, background .15s ease, border-color .15s ease, box-shadow .15s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--accent); color: #fff; }
.btn--primary:hover { background: var(--accent-press); box-shadow: 0 6px 20px oklch(56% 0.17 256 / 0.32); }
.btn--ghost { background: transparent; color: var(--fg); border-color: var(--border-2); }
.btn--ghost:hover { border-color: var(--fg); }
.btn--on-ink { background: #fff; color: var(--ink); }
.btn--on-ink:hover { background: var(--on-ink); }
.btn--ghost-ink { background: transparent; color: var(--on-ink); border-color: oklch(100% 0 0 / 0.24); }
.btn--ghost-ink:hover { border-color: oklch(100% 0 0 / 0.6); }
.btn .arr { transition: transform .15s ease; }
.btn:hover .arr { transform: translateX(3px); }

.link-arrow {
  display: inline-flex; align-items: center; gap: 6px;
  font-weight: 550; color: var(--accent); font-size: 15px;
}
.link-arrow .arr { transition: transform .15s ease; }
.link-arrow:hover .arr { transform: translateX(3px); }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: oklch(98.5% 0.004 255 / 0.78);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, background .2s ease;
}
.nav.is-scrolled { border-color: var(--border); }
.nav__inner { display: flex; align-items: center; gap: 28px; min-height: 68px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 650; letter-spacing: -0.02em; font-size: 17px; }
.brand__mark { width: 41px; height: 30px; flex: none; object-fit: contain; }
.brand small { display: block; font-size: 11px; font-weight: 500; color: var(--faint); letter-spacing: 0.12em; font-family: var(--font-mono); }
.nav__links { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav__links a {
  font-size: 14.5px; font-weight: 500; color: var(--muted); white-space: nowrap;
  padding: 8px 14px; border-radius: 999px; transition: color .15s, background .15s;
}
.nav__links a:hover { color: var(--fg); background: var(--surface-2); }
.nav__links a.active { color: var(--fg); }
.nav__cta { margin-left: 8px; }
.nav__toggle { display: none; margin-left: auto; width: 42px; height: 42px; border: 1px solid var(--border-2);
  background: var(--surface); border-radius: 10px; cursor: pointer; padding: 0; }
.nav__toggle span { display: block; width: 18px; height: 1.6px; background: var(--fg); margin: 4px auto; transition: .2s; }
.nav.is-open .nav__toggle span:nth-child(1) { transform: translateY(5.6px) rotate(45deg); }
.nav.is-open .nav__toggle span:nth-child(2) { opacity: 0; }
.nav.is-open .nav__toggle span:nth-child(3) { transform: translateY(-5.6px) rotate(-45deg); }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; background: var(--bg); }
.hero__grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items: center;
  padding: clamp(56px, 8vw, 104px) 0 clamp(48px, 6vw, 80px); }
.hero h1 { margin: 22px 0 22px; }
.hero h1 .hl {
  background: var(--brand-grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.hero p.lead { font-size: clamp(17px, 1.5vw, 19px); color: var(--muted); }
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 32px; }
.hero__meta { display: flex; gap: 28px; margin-top: 40px; flex-wrap: wrap; }
.hero__meta div { }
.hero__meta b { display: block; font-size: 26px; font-weight: 650; letter-spacing: -0.02em; font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.hero__meta span { font-size: 13px; color: var(--faint); }

.hero__art { position: relative; aspect-ratio: 1/1; }
.hero__panel {
  position: absolute; inset: 0; border-radius: var(--r-lg);
  background: linear-gradient(155deg, var(--ink), var(--ink-2));
  overflow: hidden; box-shadow: var(--shadow-lg);
}
.hero__panel .glow { position: absolute; width: 60%; height: 60%; right: -10%; top: -12%;
  background: radial-gradient(circle, oklch(56% 0.17 256 / 0.55), transparent 65%); filter: blur(8px); }
.hero__panel svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero__chip {
  position: absolute; left: 22px; bottom: 22px; right: 22px;
  background: oklch(100% 0 0 / 0.06); border: 1px solid oklch(100% 0 0 / 0.12);
  border-radius: var(--r); padding: 16px 18px; backdrop-filter: blur(6px);
}
.hero__chip .row { display: flex; align-items: center; gap: 10px; color: var(--on-ink); font-size: 13px; font-family: var(--font-mono); }
.hero__chip .row + .row { margin-top: 9px; color: var(--on-ink-mut); }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); flex: none; box-shadow: 0 0 0 3px oklch(58% 0.13 155 / 0.18); }
.dot--blue { background: var(--accent); box-shadow: 0 0 0 3px oklch(56% 0.17 256 / 0.2); }

/* ---------- logos / trust strip ---------- */
.strip { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--surface); }
.strip__inner { display: flex; align-items: center; gap: 30px; padding: 22px 0; flex-wrap: wrap; }
.strip__label { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.12em; color: var(--faint); }
.strip__items { display: flex; gap: 28px; flex-wrap: wrap; color: var(--faint); font-weight: 600; font-size: 15px; }

/* ---------- service cards ---------- */
.svc-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.svc {
  position: relative; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 30px; transition: border-color .18s, transform .18s, box-shadow .18s;
  display: flex; flex-direction: column;
}
.svc:hover { border-color: var(--border-2); transform: translateY(-3px); box-shadow: var(--shadow); }
.svc__no { font-family: var(--font-mono); font-size: 12.5px; color: var(--accent); letter-spacing: 0.1em; }
.svc__ic { width: 44px; height: 44px; border-radius: 12px; background: var(--accent-soft);
  display: grid; place-items: center; color: var(--accent); margin: 18px 0 18px; }
.svc__ic svg { width: 22px; height: 22px; }
.svc h3 { margin-bottom: 10px; }
.svc p { font-size: 15px; flex: 1; }
.svc__tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 18px; }
.tag { font-size: 12.5px; color: var(--muted); background: var(--surface-2); border: 1px solid var(--border);
  padding: 4px 11px; border-radius: 999px; }

/* ---------- feature / why ---------- */
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feat { padding: 26px; border-radius: var(--r); background: var(--surface); border: 1px solid var(--border); }
.feat__ic { width: 38px; height: 38px; color: var(--accent); margin-bottom: 16px; }
.feat h3 { font-size: 19px; margin-bottom: 9px; }
.feat p { font-size: 14.5px; }

/* ---------- process ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: step; }
.step { position: relative; padding: 28px 24px 28px 0; border-top: 2px solid var(--border-2); }
.step::before { counter-increment: step; content: "0" counter(step);
  font-family: var(--font-mono); font-size: 13px; color: var(--accent); letter-spacing: 0.08em; }
.step h4 { font-size: 18px; margin: 12px 0 8px; }
.step p { font-size: 14px; }

/* ---------- dark band ---------- */
.band { background: linear-gradient(160deg, var(--ink), var(--ink-2)); color: var(--on-ink); position: relative; overflow: hidden; }
.band h2, .band h3 { color: #fff; }
.band p { color: var(--on-ink-mut); }
.band .eyebrow { color: var(--accent-line); }
.band .eyebrow::before { background: oklch(100% 0 0 / 0.3); }
.band__glow { position: absolute; width: 540px; height: 540px; border-radius: 50%; left: -160px; bottom: -240px;
  background: radial-gradient(circle, oklch(56% 0.17 256 / 0.4), transparent 62%); pointer-events: none; }

/* stats inside dark band */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat b { display: block; font-family: var(--font-mono); font-variant-numeric: tabular-nums;
  font-size: clamp(34px, 4vw, 48px); font-weight: 650; letter-spacing: -0.02em; color: #fff; }
.stat span { font-size: 14px; color: var(--on-ink-mut); }
.stat i { color: var(--accent-line); font-style: normal; }

/* ---------- cases ---------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.case {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg);
  overflow: hidden; display: flex; flex-direction: column; transition: transform .18s, box-shadow .18s, border-color .18s;
}
.case:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--border-2); }
.case__top { aspect-ratio: 16/10; position: relative; overflow: hidden;
  background: linear-gradient(150deg, oklch(96% 0.02 256), oklch(91% 0.055 256)); }
.case__top svg { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .9; }
.case__badge { position: absolute; top: 14px; left: 14px; font-family: var(--font-mono); font-size: 11.5px;
  letter-spacing: 0.08em; color: var(--accent); background: oklch(100% 0 0 / 0.85); padding: 5px 10px; border-radius: 999px; }
.case__body { padding: 22px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.case__body h3 { font-size: 19px; margin-bottom: 10px; }
.case__body p { font-size: 14.5px; flex: 1; }
.case__kpi { display: flex; gap: 22px; margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--border); }
.case__kpi b { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 20px; color: var(--fg); display: block; }
.case__kpi span { font-size: 12px; color: var(--faint); }

/* ---------- about ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.value-list { display: grid; gap: 2px; margin-top: 8px; }
.value-row { display: grid; grid-template-columns: 150px 1fr; gap: 24px; padding: 22px 0; border-top: 1px solid var(--border); }
.value-row h4 { font-size: 17px; }
.value-row p { font-size: 14.5px; margin: 0; }
.value-row .num-tag { color: var(--accent); font-size: 13px; }

/* ---------- CTA ---------- */
.cta-box { text-align: center; max-width: 720px; margin: 0 auto; }
.cta-box h2 { margin-bottom: 16px; }
.cta-box .hero__cta { justify-content: center; }

/* ---------- contact / form ---------- */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; align-items: start; }
.info-card { border: 1px solid var(--border); border-radius: var(--r); padding: 22px 24px; background: var(--surface); margin-bottom: 14px; }
.info-card .lab { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em; color: var(--faint); text-transform: uppercase; }
.info-card .val { font-size: 17px; font-weight: 550; margin-top: 7px; color: var(--fg); }
.info-card .sub { font-size: 13.5px; color: var(--muted); margin-top: 3px; }

.form { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: clamp(24px, 4vw, 38px); box-shadow: var(--shadow); }
.field { margin-bottom: 18px; }
.field label, .field .chips-label { display: block; font-size: 13.5px; font-weight: 550; margin-bottom: 8px; color: var(--fg); }
.field label .req { color: var(--accent); }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-size: 15px; color: var(--fg);
  background: var(--bg); border: 1px solid var(--border-2); border-radius: 10px;
  padding: 12px 14px; transition: border-color .15s, box-shadow .15s;
}
.field textarea { resize: vertical; min-height: 110px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px oklch(56% 0.17 256 / 0.14);
}
.field.is-error input, .field.is-error select, .field.is-error textarea { border-color: var(--warn); }
.field .err { display: none; font-size: 12.5px; color: oklch(58% 0.18 28); margin-top: 6px; }
.field.is-error .err { display: block; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip-toggle { font-size: 13.5px; padding: 8px 14px; border: 1px solid var(--border-2); border-radius: 999px;
  background: var(--bg); cursor: pointer; color: var(--muted); transition: .15s; }
.chip-toggle.on { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.form__note { font-size: 12.5px; color: var(--faint); margin-top: 14px; }
.form__ok { display: none; text-align: center; padding: 40px 20px; }
.form__ok.show { display: block; }
.form__ok .ico { width: 56px; height: 56px; border-radius: 50%; background: var(--accent-soft); color: var(--accent);
  display: grid; place-items: center; margin: 0 auto 18px; }
.form.sent .form__inner { display: none; }

/* ---------- page header ---------- */
.page-head { padding: clamp(56px, 8vw, 96px) 0 clamp(36px, 5vw, 56px); }
.page-head .eyebrow { margin-bottom: 18px; }
.page-head h1 { font-size: clamp(34px, 4.6vw, 56px); margin-bottom: 18px; }
.page-head p { font-size: clamp(16px, 1.5vw, 19px); }
.breadcrumb { font-family: var(--font-mono); font-size: 12px; color: var(--faint); letter-spacing: 0.06em; margin-bottom: 20px; }
.breadcrumb a:hover { color: var(--accent); }

/* ---------- detailed service block ---------- */
.svc-detail { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 48px; align-items: start; padding: clamp(40px,6vw,72px) 0; border-top: 1px solid var(--border); }
.svc-detail:first-of-type { border-top: none; }
.svc-detail__aside { position: sticky; top: 92px; }
.svc-detail__no { font-family: var(--font-mono); color: var(--accent); font-size: 13px; letter-spacing: 0.1em; }
.svc-detail__aside h2 { font-size: clamp(26px, 3vw, 36px); margin: 14px 0 16px; }
.svc-detail__aside .svc__ic { width: 52px; height: 52px; }
.deliv { display: grid; gap: 14px; }
.deliv-item { display: flex; gap: 14px; padding: 18px; border: 1px solid var(--border); border-radius: var(--r); background: var(--surface); }
.deliv-item .ck { width: 22px; height: 22px; flex: none; color: var(--accent); margin-top: 1px; }
.deliv-item h4 { font-size: 16px; margin-bottom: 5px; }
.deliv-item p { font-size: 14px; margin: 0; }

/* ---------- footer ---------- */
.footer { background: var(--ink); color: var(--on-ink-mut); padding: clamp(56px,7vw,80px) 0 36px; }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
.footer .brand { color: #fff; }
.footer .brand small { color: var(--on-ink-mut); }
.footer__col h5 { font-size: 13px; color: var(--on-ink); letter-spacing: 0.04em; margin-bottom: 16px; text-transform: uppercase; font-family: var(--font-mono); font-weight: 500; }
.footer__col a, .footer__col p { display: block; font-size: 14px; color: var(--on-ink-mut); margin-bottom: 11px; transition: color .15s; }
.footer__col a:hover { color: #fff; }
.footer__about { font-size: 14px; line-height: 1.7; max-width: 34ch; margin: 18px 0 0; }
.footer__bottom { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  margin-top: 48px; padding-top: 24px; border-top: 1px solid oklch(100% 0 0 / 0.1); font-size: 13px; color: var(--on-ink-mut); }
.footer__bottom a:hover { color: #fff; }

/* ---------- reveal ---------- */
/* 仅在 JS 可用时隐藏并播放进场动画；无 JS / JS 失败时内容默认可见 */
:root.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
:root.js .reveal.in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
/* ---------- 平板 621–1024px：专属多列布局 ---------- */
@media (max-width: 1024px) {
  /* Hero：文字全宽 + 装饰图全宽横幅，消除右侧留白 */
  .hero__grid { grid-template-columns: 1fr; gap: 40px; }
  .hero__art { max-width: none; aspect-ratio: 16 / 9; }

  /* 叙事型布局：平板保留两列 */
  .svc-detail { grid-template-columns: 0.85fr 1.15fr; gap: 36px; }
  .svc-detail__aside { position: static; }
  .split { grid-template-columns: 1fr 1fr; gap: 36px; }
  .contact-grid { grid-template-columns: 0.9fr 1.1fr; gap: 36px; }

  /* 网格类：保持 2 列，上界随档位提到 1024 */
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer__col--brand { grid-column: 1 / -1; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 32px 24px; }
  .feat-grid, .case-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
}
/* 表单行：≤768 单列,避免输入框过窄(联系页表单仍两列) */
@media (max-width: 768px) {
  .field-row { grid-template-columns: 1fr; }
}
/* 窄平板/大手机 <768：叙事型两列回落单列 */
@media (max-width: 767px) {
  .split, .contact-grid, .svc-detail { grid-template-columns: 1fr; gap: 36px; }
}
@media (max-width: 900px) {
  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: block; }
  /* 展开菜单：流式换行，brand/toggle 在首行，链接与 CTA 各占整行，避免重叠 */
  .nav.is-open .nav__links {
    display: flex; flex-direction: column; align-items: stretch; gap: 2px;
    order: 3; flex-basis: 100%; width: 100%;
    margin: 10px 0 0; padding-top: 10px; border-top: 1px solid var(--border);
  }
  .nav.is-open .nav__links a { padding: 12px 14px; border-radius: var(--r-sm); }
  .nav.is-open .nav__cta {
    display: inline-flex; justify-content: center;
    order: 4; flex-basis: 100%; width: 100%; margin: 8px 0 12px;
  }
}
@media (max-width: 620px) {
  .svc-grid, .feat-grid, .case-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .step { padding: 22px 0; }
  .value-row { grid-template-columns: 1fr; gap: 8px; }
  .stats { grid-template-columns: 1fr 1fr; }
  .hero__meta { gap: 22px; }
}

/* ---------- polish pass ---------- */
h1, h2, h3 { text-wrap: balance; }
p, .lead { text-wrap: pretty; }
:where(section[id], .svc-detail, [id]:not(body)) { scroll-margin-top: 92px; }
.nav__links a.active { font-weight: 600; position: relative; }
.nav__links a.active::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px; height: 2px;
  border-radius: 2px; background: var(--brand-grad);
}
.eyebrow::before { background: var(--brand-grad); }
.svc__no, .svc-detail__no { background: var(--brand-grad); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent; }
.stat i { background: var(--brand-grad); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; }
/* 键盘焦点可见（鼠标点击不出现，仅键盘导航时显示） */
a:focus-visible, button:focus-visible, .btn:focus-visible,
.chip-toggle:focus-visible, .nav__toggle:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}
.btn--on-ink:focus-visible, .btn--ghost-ink:focus-visible, .band a:focus-visible { outline-color: #fff; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1 !important; transform: none !important; }
}