/* ============================================================
   重庆奇略测绘官网 · 设计系统
   设计语言来源：LightVela 逆向提取规范（design-system-extraction-2026-10/sites/07-lightvela）
   内容与合规约束：重庆奇略测绘_网站PRD_V1.0
   ============================================================ */

:root {
  /* Color（LightVela Token） */
  --lv-ink: #2c2a2e;
  --lv-ink-2: rgba(44, 42, 46, .62);
  --lv-ink-3: rgba(44, 42, 46, .45);
  --lv-action: #211a2a;            /* 主行动色：深紫黑胶囊 */
  --lv-action-hover: #2f2540;
  --lv-mark: #1c2415;              /* 暗橄榄：标识/徽章 */
  --lv-tint: #f7f5fa;              /* 紫调浅底 */
  --lv-bg: #ffffff;
  --lv-hairline: rgba(44, 42, 46, .08);
  --lv-danger: #b3261e;            /* 表单错误（PRD：不能只靠颜色） */

  /* Shape */
  --r-pill: 999px;
  --r-card: 12px;

  /* Elevation */
  --lv-shadow: 0 2px 16px rgba(0, 0, 0, .05);
  --lv-shadow-row: 0 1px 4px rgba(0, 0, 0, .06);

  /* Type */
  --lv-font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", ui-sans-serif, system-ui, -apple-system, sans-serif;

  /* Motion */
  --lv-motion-in: 640ms cubic-bezier(.2, .7, .3, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--lv-font);
  color: var(--lv-ink);
  background-color: var(--lv-bg);
  background-image: repeating-linear-gradient(90deg, rgba(33, 26, 42, .025) 0 1px, transparent 1px 24px);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
img, svg { max-width: 100%; }
:focus-visible { outline: 2px solid var(--lv-action); outline-offset: 2px; border-radius: 4px; }
.is-hidden { display: none !important; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--lv-action); color: #fff;
  padding: 10px 18px; border-radius: 0 0 12px 0; font-size: 14px;
}
.skip-link:focus { left: 0; }

/* ---------- 评审预览横幅（PRD §7.4 测试环境标识） ---------- */
.notice-bar {
  background: var(--lv-mark); color: rgba(255, 255, 255, .92);
  font-size: 12.5px; text-align: center;
  padding: 7px 16px; letter-spacing: .02em;
}

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s;
}
.nav.is-scrolled { border-bottom-color: var(--lv-hairline); }
.nav__inner {
  max-width: 1200px; margin: 0 auto;
  padding: 0 32px; height: 68px;
  display: flex; align-items: center; gap: 32px;
}
.nav__logo { font-size: 19px; font-weight: 600; letter-spacing: -.01em; display: flex; align-items: center; gap: 9px; }
.nav__logo svg { width: 26px; height: 26px; }
.nav__logo small { font-size: 11px; font-weight: 400; color: var(--lv-ink-3); display: block; line-height: 1.2; }
.nav__logo .logo-text { display: flex; flex-direction: column; }
.nav__menu { display: flex; gap: 4px; margin-right: auto; }
.nav__link {
  padding: 8px 14px; font-size: 15px; color: var(--lv-ink-2);
  border-radius: var(--r-pill); transition: color .2s, background-color .2s;
}
.nav__link:hover { color: var(--lv-ink); background: var(--lv-tint); }
.nav__link.is-active { color: var(--lv-ink); font-weight: 500; position: relative; }
.nav__link.is-active::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px;
  height: 2px; border-radius: 2px; background: var(--lv-ink);
}
.nav__actions { display: flex; align-items: center; gap: 12px; }
.nav__burger { display: none; background: none; border: none; width: 44px; height: 44px; flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
.nav__burger span { display: block; width: 18px; height: 1.6px; background: var(--lv-ink); border-radius: 2px; transition: transform .25s; }
.nav__burger[aria-expanded="true"] span:first-child { transform: translateY(3.3px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:last-child { transform: translateY(-3.3px) rotate(-45deg); }

/* ---------- buttons：胶囊（LightVela 形状语言） ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  border: none; border-radius: var(--r-pill);
  font-weight: 600; text-align: center; min-height: 44px;
  transition: background-color .2s, transform .15s, border-color .2s;
}
.btn:active { transform: scale(.98); }
.btn--pill-deep { background: var(--lv-action); color: #fff; padding: 10px 24px; font-size: 15px; }
.btn--pill-deep:hover { background: var(--lv-action-hover); }
.btn--pill-deep[disabled] { background: rgba(44, 42, 46, .35); cursor: not-allowed; }
.btn--outline { background: transparent; color: var(--lv-ink); border: 1px solid rgba(44, 42, 46, .22); padding: 10px 24px; font-size: 15px; }
.btn--outline:hover { border-color: var(--lv-ink); background: var(--lv-tint); }
.btn--sm { min-height: 40px; padding: 8px 20px; font-size: 14px; }
.btn--nav { min-height: 40px; padding: 8px 20px; font-size: 14px; }
.arrow-badge {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: 50%;
  background: rgba(255, 255, 255, .14);
}
.arrow-badge svg { width: 13px; height: 13px; }

/* ---------- hero ---------- */
.hero { position: relative; text-align: center; padding: 92px 24px 64px; overflow: hidden; }
.hero__contour { position: absolute; inset: auto 0 -60px 0; height: 340px; pointer-events: none; }
.hero__eyebrow { font-size: 15px; color: var(--lv-ink-3); margin-bottom: 18px; }
.hero__title {
  font-size: 34px; font-weight: 400; line-height: 1.45;
  max-width: 680px; margin: 0 auto 20px;
  animation: blurIn var(--lv-motion-in) both; animation-delay: 120ms;
}
@keyframes blurIn {
  from { filter: blur(8px); opacity: 0; transform: translateY(6px); }
  to { filter: blur(0); opacity: 1; transform: none; }
}
.hero__sub { max-width: 560px; margin: 0 auto 36px; color: var(--lv-ink-2); font-size: 16px; }
.hero__cta { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }
.hero__note { margin-top: 26px; font-size: 12.5px; color: var(--lv-ink-3); }
@media (prefers-reduced-motion: reduce) {
  .hero__title { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 布局基元 ---------- */
.section { max-width: 1200px; margin: 0 auto; padding: 72px 32px; }
.section--tint { background: var(--lv-tint); max-width: none; }
.section--tint > .section__inner { max-width: 1200px; margin: 0 auto; }
.section-title { font-size: 35px; font-weight: 400; letter-spacing: -.01em; margin-bottom: 14px; }
.section-title--center { text-align: center; }
.section-sub { color: var(--lv-ink-2); margin-bottom: 44px; max-width: 640px; }
.section-sub--center { margin-left: auto; margin-right: auto; text-align: center; }

/* ---------- 服务卡 ---------- */
.card-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.card-grid--3 { grid-template-columns: repeat(3, 1fr); }
.card {
  background: var(--lv-bg);
  border: 1px solid var(--lv-hairline);
  border-radius: var(--r-card);
  box-shadow: var(--lv-shadow);
  padding: 30px 26px;
  display: flex; flex-direction: column; gap: 12px;
  transition: transform .25s, box-shadow .25s;
}
.section--tint .card { border-color: rgba(44, 42, 46, .05); }
.card:hover { transform: translateY(-3px); box-shadow: 0 6px 24px rgba(0, 0, 0, .07); }
.card__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 46px; height: 46px; border-radius: 12px;
  background: var(--lv-tint); color: var(--lv-ink);
}
.card__icon--olive { background: var(--lv-mark); color: #fff; }
.card__icon--deep { background: var(--lv-action); color: #fff; }
.card__icon svg { width: 23px; height: 23px; }
.card h3 { font-size: 17px; font-weight: 600; }
.card p { font-size: 14px; color: var(--lv-ink-2); }
.card__foot { margin-top: auto; padding-top: 8px; }
.card__meta { font-size: 12.5px; color: var(--lv-ink-3); }
.link-more { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--lv-ink); }
.link-more svg { width: 13px; height: 13px; transition: transform .2s; }
.link-more:hover svg { transform: translateX(3px); }

/* ---------- 徽章 / 状态 ---------- */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  height: 24px; padding: 0 12px;
  border-radius: var(--r-pill); font-size: 12px; font-weight: 500;
}
.chip--olive { background: var(--lv-mark); color: #fff; }
.chip--deep { background: var(--lv-action); color: #fff; }
.chip--ghost { border: 1px solid rgba(44, 42, 46, .22); color: var(--lv-ink-2); }
.chip--warn { background: #fdf3e7; color: #8a5a1c; border: 1px solid rgba(138, 90, 28, .25); }
.chip--dot::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* ---------- 示意成果卡 ---------- */
.demo-visual {
  border-radius: var(--r-card); border: 1px solid var(--lv-hairline);
  background: var(--lv-bg); overflow: hidden; box-shadow: var(--lv-shadow);
  display: flex; flex-direction: column;
}
.demo-visual__img { aspect-ratio: 4 / 3; display: block; width: 100%; }
.demo-visual__body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 8px; }
.demo-visual__body h3 { font-size: 15px; font-weight: 600; }
.demo-visual__body p { font-size: 13px; color: var(--lv-ink-2); }

/* ---------- 流程步骤 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step { position: relative; padding: 24px 22px; background: var(--lv-bg); border: 1px solid var(--lv-hairline); border-radius: var(--r-card); box-shadow: var(--lv-shadow); }
.step__no {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--lv-mark); color: #fff;
  font-size: 14px; font-weight: 600; margin-bottom: 14px;
}
.step h3 { font-size: 15px; font-weight: 600; margin-bottom: 8px; }
.step p { font-size: 13.5px; color: var(--lv-ink-2); }

/* ---------- 信息块（关于/身份） ---------- */
.fact-list { display: grid; gap: 14px; }
.fact {
  display: grid; grid-template-columns: 128px 1fr; gap: 16px;
  padding: 16px 20px; background: var(--lv-bg);
  border: 1px solid var(--lv-hairline); border-radius: var(--r-card);
  font-size: 14.5px;
}
.fact dt { color: var(--lv-ink-3); font-size: 13px; padding-top: 1px; }
.fact dd { min-width: 0; overflow-wrap: anywhere; }
.fact--wide { grid-template-columns: 1fr; }

/* ---------- FAQ 手风琴 ---------- */
.faq { max-width: 760px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--lv-hairline); }
.faq-item:first-child { border-top: 1px solid var(--lv-hairline); }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  background: none; border: none; text-align: left;
  padding: 20px 4px; font-size: 15.5px; font-weight: 500; color: var(--lv-ink);
  min-height: 44px;
}
.faq-q .faq-icon { flex: none; width: 22px; height: 22px; border-radius: 50%; background: var(--lv-tint); display: inline-flex; align-items: center; justify-content: center; transition: transform .25s; }
.faq-q .faq-icon svg { width: 11px; height: 11px; }
.faq-q[aria-expanded="true"] .faq-icon { transform: rotate(45deg); background: var(--lv-action); color: #fff; }
.faq-a { padding: 0 4px 20px; font-size: 14.5px; color: var(--lv-ink-2); max-width: 640px; }

/* ---------- 表单（PRD §7.2） ---------- */
.form-wrap { max-width: 680px; margin: 0 auto; }
.form-card { background: var(--lv-bg); border: 1px solid var(--lv-hairline); border-radius: 16px; box-shadow: var(--lv-shadow); padding: 34px 32px; }
.field { margin-bottom: 20px; }
.field label { display: block; font-size: 14px; font-weight: 500; margin-bottom: 8px; }
.req { color: var(--lv-danger); font-weight: 600; }
.opt { color: var(--lv-ink-3); font-weight: 400; font-size: 12.5px; }
.field input[type="text"], .field input[type="tel"], .field input[type="number"], .field input[type="date"], .field select, .field textarea {
  width: 100%; min-height: 46px;
  border: 1px solid rgba(44, 42, 46, .18); border-radius: 10px;
  padding: 10px 14px; font-size: 15px; font-family: inherit; color: var(--lv-ink);
  background: var(--lv-bg); transition: border-color .2s, box-shadow .2s;
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--lv-action); box-shadow: 0 0 0 3px rgba(33, 26, 42, .12);
}
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: var(--lv-danger); }
.field-error { display: none; margin-top: 6px; font-size: 12.5px; color: var(--lv-danger); }
.field.has-error .field-error { display: flex; gap: 6px; align-items: baseline; }
.field-hint { margin-top: 6px; font-size: 12.5px; color: var(--lv-ink-3); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.radio-group { display: grid; gap: 10px; }
.radio-card {
  display: flex; align-items: center; gap: 10px;
  border: 1px solid rgba(44, 42, 46, .18); border-radius: 10px;
  padding: 12px 16px; font-size: 14.5px; cursor: pointer;
  transition: border-color .2s, background-color .2s; min-height: 44px;
}
.radio-card:hover { background: var(--lv-tint); }
.radio-card input { accent-color: var(--lv-action); width: 16px; height: 16px; }
.radio-card.is-checked { border-color: var(--lv-action); background: var(--lv-tint); }
.checkbox-line { display: flex; gap: 10px; align-items: flex-start; font-size: 13.5px; color: var(--lv-ink-2); }
.checkbox-line input { accent-color: var(--lv-action); width: 17px; height: 17px; margin-top: 2px; flex: none; }
.checkbox-line a { text-decoration: underline; }
.form-actions { margin-top: 26px; display: flex; flex-direction: column; gap: 12px; }
.form-demo-note {
  display: none; margin-top: 18px;
  border: 1px dashed rgba(138, 90, 28, .45); background: #fdf7ee;
  border-radius: var(--r-card); padding: 16px 18px; font-size: 13.5px; color: #6d4a17;
}
.form-demo-note.is-visible { display: block; }
.form-status { margin-top: 14px; font-size: 13.5px; }
.form-status.is-error { color: var(--lv-danger); }

/* ---------- 联系块 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 20px; align-items: start; }
.contact-card { background: var(--lv-bg); border: 1px solid var(--lv-hairline); border-radius: 16px; box-shadow: var(--lv-shadow); padding: 28px 26px; }
.contact-card h3 { font-size: 16px; font-weight: 600; margin-bottom: 14px; }
.phone-line { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.phone-num { font-size: 24px; font-weight: 600; letter-spacing: .02em; }
.copy-btn {
  border: 1px solid rgba(44, 42, 46, .22); background: var(--lv-bg);
  border-radius: var(--r-pill); min-height: 36px; padding: 6px 16px;
  font-size: 13px; color: var(--lv-ink-2); transition: background-color .2s, border-color .2s;
}
.copy-btn:hover { border-color: var(--lv-ink); color: var(--lv-ink); }
.copy-fallback { font-size: 12px; color: var(--lv-ink-3); }

/* ---------- 移动端底部联系条（PRD §10.2，可选项） ---------- */
.contact-bar {
  display: none;
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
  background: rgba(255, 255, 255, .95); backdrop-filter: blur(12px);
  border-top: 1px solid var(--lv-hairline);
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  gap: 12px;
}
.contact-bar .btn { flex: 1; }
body.has-contactbar { padding-bottom: 84px; }
body.contactbar-hidden .contact-bar { display: none; }

/* ---------- 页脚 ---------- */
.footer { border-top: 1px solid var(--lv-hairline); background: rgba(255, 255, 255, .6); }
.footer__inner {
  max-width: 1200px; margin: 0 auto; padding: 48px 32px 28px;
  display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px;
}
.footer__brand p { font-size: 13px; color: var(--lv-ink-2); margin-top: 10px; max-width: 320px; }
.footer__col h4 { font-size: 13px; font-weight: 600; color: var(--lv-ink-3); margin-bottom: 12px; letter-spacing: .04em; }
.footer__col ul { list-style: none; display: grid; gap: 8px; }
.footer__col a, .footer__col li { font-size: 14px; color: var(--lv-ink-2); }
.footer__col a:hover { color: var(--lv-ink); }
.footer__note {
  max-width: 1200px; margin: 0 auto; padding: 18px 32px 30px;
  border-top: 1px solid var(--lv-hairline);
  font-size: 12px; color: var(--lv-ink-3);
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}

/* ---------- 图片组件（概念示意影像） ---------- */
.visual { position: relative; }
.visual img { display: block; width: 100%; object-fit: cover; }
.visual--hero { max-width: 1060px; margin: 46px auto 0; }
.visual--hero img { aspect-ratio: 21 / 9; border-radius: 16px; box-shadow: var(--lv-shadow); }
.visual--wide { border-radius: 16px; overflow: hidden; box-shadow: var(--lv-shadow); }
.visual--wide img { aspect-ratio: 21 / 9; }
.visual--card { aspect-ratio: 16 / 9; }
.chip--onimg {
  position: absolute; top: 12px; left: 12px;
  background: rgba(28, 36, 21, .85); color: #fff;
  backdrop-filter: blur(4px); border-radius: var(--r-pill);
  height: 26px; padding: 0 12px; font-size: 11.5px;
  display: inline-flex; align-items: center; gap: 6px;
}
.fig-cap { margin-top: 12px; font-size: 12.5px; color: var(--lv-ink-3); }

/* 服务卡（带图版） */
.card--media { padding: 0; overflow: hidden; }
.card--media .card__body { padding: 24px 24px 26px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.card--media .card__body h3 { font-size: 17px; font-weight: 600; }
.card--media .card__body p { font-size: 14px; color: var(--lv-ink-2); }
.card--media .card__foot { margin-top: auto; padding-top: 8px; }

/* ---------- 服务方向索引（借鉴竞品类目结构，候选性质） ---------- */
.dir-card {
  margin-top: 26px;
  background: var(--lv-bg); border: 1px solid var(--lv-hairline);
  border-radius: var(--r-card); box-shadow: var(--lv-shadow);
  padding: 26px 26px 22px;
}
.dir-card h3 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.dir-card > p { font-size: 13.5px; color: var(--lv-ink-2); margin-bottom: 16px; }
.dir-list { display: flex; flex-wrap: wrap; gap: 10px; }
.dir-list .chip--ghost { height: 34px; padding: 0 16px; font-size: 13.5px; color: var(--lv-ink); }
.dir-card .card__foot { margin-top: 16px; padding-top: 0; }

/* ---------- 应用场景列表（服务详情页） ---------- */
.scene-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 16px; margin-top: 14px; max-width: 760px; }
.scene-list span {
  display: flex; align-items: flex-start; gap: 8px;
  font-size: 14px; color: var(--lv-ink-2);
  background: var(--lv-tint); border-radius: 10px; padding: 10px 14px;
}
.scene-list svg { width: 15px; height: 15px; flex: none; margin-top: 4px; color: var(--lv-mark); }

/* ---------- 桌面浮动咨询钮（借鉴竞品在线咨询，≤900 由底栏替代） ---------- */
.float-cta { display: none; }
@media (min-width: 901px) {
  .float-cta {
    display: inline-flex; position: fixed; right: 26px; bottom: 26px; z-index: 55;
    align-items: center; gap: 8px;
    background: var(--lv-action); color: #fff;
    border-radius: var(--r-pill); padding: 13px 22px;
    font-size: 14.5px; font-weight: 600;
    box-shadow: 0 8px 24px rgba(33, 26, 42, .25);
    transition: background-color .2s, transform .15s;
  }
  .float-cta:hover { background: var(--lv-action-hover); transform: translateY(-2px); }
  .float-cta svg { width: 15px; height: 15px; }
}

/* ---------- 友情/权威链接 ---------- */
.footer__orgs { max-width: 1200px; margin: 0 auto; padding: 0 32px 22px; }
.footer__orgs h4 { font-size: 12px; font-weight: 600; color: var(--lv-ink-3); letter-spacing: .04em; margin-bottom: 8px; }
.footer__orgs ul { list-style: none; display: flex; flex-wrap: wrap; gap: 6px 22px; }
.footer__orgs a { font-size: 12.5px; color: var(--lv-ink-3); }
.footer__orgs a:hover { color: var(--lv-ink); }

/* ---------- 页头（内页） ---------- */
.page-head { padding: 64px 32px 8px; max-width: 1200px; margin: 0 auto; }
.page-head .breadcrumb { font-size: 13px; color: var(--lv-ink-3); margin-bottom: 16px; }
.page-head .breadcrumb a:hover { color: var(--lv-ink); }
.page-head h1 { font-size: 32px; font-weight: 400; animation: blurIn var(--lv-motion-in) both; }
.page-head .page-sub { color: var(--lv-ink-2); margin-top: 12px; max-width: 640px; }

/* ---------- 正文块 ---------- */
.prose-block { max-width: 760px; }
.prose-block h2 { font-size: 22px; font-weight: 600; margin: 40px 0 14px; }
.prose-block h3 { font-size: 17px; font-weight: 600; margin: 28px 0 10px; }
.prose-block p, .prose-block li { font-size: 15px; color: var(--lv-ink-2); }
.prose-block ul, .prose-block ol { padding-left: 22px; display: grid; gap: 6px; }
.prose-block strong { color: var(--lv-ink); font-weight: 600; }

.service-section { border-top: 1px solid var(--lv-hairline); padding: 40px 0 8px; margin-top: 40px; }
.service-section:first-of-type { border-top: none; margin-top: 0; padding-top: 0; }
.service-section .chip { margin-bottom: 14px; }
.service-section h2 { font-size: 22px; font-weight: 600; margin-bottom: 12px; }
.service-section p { font-size: 15px; color: var(--lv-ink-2); max-width: 720px; }
.service-section ul { padding-left: 22px; display: grid; gap: 6px; font-size: 15px; color: var(--lv-ink-2); max-width: 720px; }

.boundary-note {
  border-left: 3px solid var(--lv-mark); background: var(--lv-tint);
  border-radius: 0 var(--r-card) var(--r-card) 0;
  padding: 14px 18px; font-size: 13.5px; color: var(--lv-ink-2);
  margin-top: 16px; max-width: 720px;
}

/* ---------- CTA 收尾 ---------- */
.cta-strip { text-align: center; padding: 88px 24px 96px; }
.cta-strip h2 { font-size: 32px; font-weight: 400; margin-bottom: 14px; }
.cta-strip p { color: var(--lv-ink-2); margin-bottom: 34px; }

/* ---------- 响应式（1024 / 900 / 640） ---------- */
@media (max-width: 1024px) {
  .card-grid--3 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .nav__inner { padding: 0 20px; gap: 16px; }
  .nav__menu {
    position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; gap: 4px;
    background: var(--lv-bg); border-bottom: 1px solid var(--lv-hairline);
    padding: 12px 20px 20px; display: none;
  }
  .nav__menu.is-open { display: flex; }
  .nav__burger { display: inline-flex; }
  .nav__actions .btn--nav { display: none; }
  .card-grid, .card-grid--3, .contact-grid { grid-template-columns: 1fr; }
  .section { padding: 56px 20px; }
  .page-head { padding: 44px 20px 4px; }
  .footer__inner { grid-template-columns: 1fr; gap: 24px; padding: 40px 20px 20px; }
  .footer__note { padding: 18px 20px 26px; }
  .hero { padding: 60px 20px 48px; }
  .hero__title { font-size: 27px; }
  .section-title { font-size: 27px; }
  .contact-bar { display: flex; }
  body.has-contactbar.contactbar-hidden { padding-bottom: 0; }
  .form-card { padding: 24px 18px; }
  .field-row { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .steps { grid-template-columns: 1fr; }
  .fact { grid-template-columns: 1fr; gap: 4px; }
  .phone-num { font-size: 21px; }
}