/* ============================================================
   智康安 官网 — 样式
   主色：橙色  Primary: #FF6A13
   湖北智康安健康产业有限公司 · 一站式车主权益增值服务平台
   ============================================================ */

:root {
  --c-primary: #FF6A13;
  --c-primary-dark: #F0500A;
  --c-primary-light: #FF8A33;
  --c-primary-soft: #FFF3EA;
  --c-primary-soft2: #FFE7D4;
  --c-accent: #FFB877;

  --c-ink: #1f2430;
  --c-text: #4a5160;
  --c-muted: #8a93a3;
  --c-line: #eef0f4;
  --c-bg: #ffffff;
  --c-bg-alt: #fff8f3;

  --grad-primary: linear-gradient(135deg, #FF8A33 0%, #F0500A 100%);
  --grad-warm: linear-gradient(135deg, #FFA94D 0%, #FF6A13 60%, #F0500A 100%);

  --radius: 18px;
  --radius-sm: 12px;
  --shadow-sm: 0 4px 18px rgba(31, 36, 48, .06);
  --shadow-md: 0 16px 40px rgba(240, 80, 10, .12);
  --shadow-lg: 0 30px 70px rgba(31, 36, 48, .14);

  --container: 1200px;
  --header-h: 76px;

  --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
}

/* ---------- Reset ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img, svg { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select { font-family: inherit; }
table { border-collapse: collapse; width: 100%; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 28px; border-radius: 999px; font-size: 15px; font-weight: 600;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease;
  white-space: nowrap;
}
.btn svg { transition: transform .25s ease; }
.btn-primary { background: var(--grad-primary); color: #fff; box-shadow: 0 10px 26px rgba(240,80,10,.32); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(240,80,10,.42); }
.btn-primary:hover svg { transform: translateX(4px); }
.btn-ghost { background: #fff; color: var(--c-ink); box-shadow: inset 0 0 0 1.5px var(--c-primary-soft2); }
.btn-ghost:hover { color: var(--c-primary); box-shadow: inset 0 0 0 1.5px var(--c-primary); transform: translateY(-2px); }
.btn-block { width: 100%; }

/* ============================================================
   Header
   ============================================================ */
.site-header {
  position: fixed; inset: 0 0 auto 0; height: var(--header-h); z-index: 100;
  display: flex; align-items: center;
  transition: background .3s ease, box-shadow .3s ease;
}
.site-header.scrolled {
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(14px);
  box-shadow: 0 2px 20px rgba(31,36,48,.07);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; }

.logo { display: inline-flex; align-items: center; gap: 11px; }
.logo-img { height: 42px; width: auto; display: block; }

.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  position: relative; padding: 9px 15px; font-size: 15px; color: var(--c-ink); font-weight: 500;
  border-radius: 999px; transition: color .2s ease, background .2s ease;
}
.main-nav a::after {
  content: ""; position: absolute; left: 15px; right: 15px; bottom: 4px; height: 2px;
  background: var(--c-primary); border-radius: 2px; transform: scaleX(0); transform-origin: center;
  transition: transform .25s ease;
}
.main-nav a:hover { color: var(--c-primary); }
.main-nav a.active { color: var(--c-primary); }
.main-nav a.active::after { transform: scaleX(1); }
.main-nav a.nav-cta {
  margin-left: 8px; background: var(--grad-primary); color: #fff; font-weight: 600;
  box-shadow: 0 8px 20px rgba(240,80,10,.3);
}
.main-nav a.nav-cta::after { display: none; }
.main-nav a.nav-cta:hover { color: #fff; transform: translateY(-2px); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav-toggle span { width: 24px; height: 2.5px; background: var(--c-ink); border-radius: 3px; transition: .3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ============================================================
   Hero
   ============================================================ */
.hero { position: relative; padding: calc(var(--header-h) + 70px) 0 90px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: -1; background: var(--c-bg-alt); }
.blob { position: absolute; border-radius: 50%; filter: blur(60px); opacity: .55; }
.blob-1 { width: 520px; height: 520px; top: -160px; right: -120px;
  background: radial-gradient(circle at 30% 30%, #FFB877, #FF6A13); animation: float1 14s ease-in-out infinite; }
.blob-2 { width: 420px; height: 420px; bottom: -160px; left: -100px;
  background: radial-gradient(circle at 50% 50%, #FFD3A8, #FF8A33); opacity: .4; animation: float2 16s ease-in-out infinite; }
.grid-overlay { position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,106,19,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,106,19,.05) 1px, transparent 1px);
  background-size: 44px 44px; mask-image: radial-gradient(circle at 70% 30%, #000, transparent 70%); }
@keyframes float1 { 0%,100%{transform:translate(0,0)} 50%{transform:translate(-30px,30px)} }
@keyframes float2 { 0%,100%{transform:translate(0,0)} 50%{transform:translate(30px,-20px)} }

.hero-inner { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }

.eyebrow {
  display: inline-block; padding: 7px 16px; border-radius: 999px; font-size: 13px; font-weight: 600;
  color: var(--c-primary-dark); background: #fff; box-shadow: var(--shadow-sm);
  letter-spacing: .5px; margin-bottom: 22px;
}
.hero h1 { font-size: clamp(28px, 4.0vw, 48px); line-height: 1.2; color: var(--c-ink); font-weight: 800; letter-spacing: -.5px; }
.grad { background: var(--grad-warm); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { margin: 24px 0 32px; font-size: 17px; color: var(--c-text); max-width: 540px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-trust { display: flex; gap: 38px; margin-top: 44px; }
.hero-trust li { display: flex; flex-direction: column; }
.hero-trust strong { font-size: 30px; font-weight: 800; color: var(--c-ink); line-height: 1; }
.hero-trust span { font-size: 13px; color: var(--c-muted); margin-top: 6px; }

/* Hero visual card */
.hero-visual { position: relative; display: flex; justify-content: center; }
.hero-card { background: #fff; border-radius: 22px; box-shadow: var(--shadow-lg); padding: 22px; width: 100%; max-width: 370px; }
.hero-card-main { animation: rise 1s cubic-bezier(.2,.8,.2,1) both; }
@keyframes rise { from{opacity:0; transform:translateY(30px)} to{opacity:1; transform:translateY(0)} }
.hc-head { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.hc-avatar { width: 44px; height: 44px; border-radius: 14px; background: var(--grad-primary); color: #fff;
  display: grid; place-items: center; font-weight: 700; font-size: 19px; }
.hc-head div { flex: 1; }
.hc-head b { display: block; color: var(--c-ink); font-size: 15px; }
.hc-head small { color: var(--c-muted); font-size: 12px; }
.hc-badge { font-size: 11px; font-weight: 600; color: #1f9d5c; background: #e8f8ef; padding: 4px 10px; border-radius: 999px; }
.hc-apps { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-bottom: 16px; }
.hc-apps .app { display: flex; flex-direction: column; align-items: center; gap: 7px; padding: 14px 6px;
  background: var(--c-primary-soft); border-radius: 14px; font-size: 12.5px; color: var(--c-ink); font-weight: 500; }
.hc-apps .app i { width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; font-size: 18px; font-style: normal;
  background: linear-gradient(135deg, var(--c1), var(--c2)); box-shadow: 0 6px 14px rgba(240,80,10,.25); }
.hc-foot { display: flex; align-items: center; justify-content: space-between; padding: 12px 14px;
  background: var(--grad-primary); border-radius: 14px; color: #fff; }
.hc-foot span { font-size: 12px; opacity: .92; }
.hc-foot b { font-size: 16px; letter-spacing: .5px; }

.hero-chip { position: absolute; background: #fff; border-radius: 14px; box-shadow: var(--shadow-md);
  padding: 12px 16px; font-size: 13px; font-weight: 600; color: var(--c-ink); display: flex; align-items: center; gap: 8px; }
.chip-sos { top: 5%; left: -7%; animation: bob 4s ease-in-out infinite; }
.chip-doc { bottom: 8%; right: -5%; animation: bob 4s ease-in-out .8s infinite; }
.chip-sos .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--c-primary); box-shadow: 0 0 0 0 rgba(255,106,19,.5); animation: pulse 1.6s infinite; }
.chip-doc .ico { font-size: 15px; }
@keyframes bob { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-10px)} }
@keyframes pulse { 0%{box-shadow:0 0 0 0 rgba(255,106,19,.5)} 70%{box-shadow:0 0 0 9px rgba(255,106,19,0)} 100%{box-shadow:0 0 0 0 rgba(255,106,19,0)} }

/* ============================================================
   Trust strip
   ============================================================ */
.trust-strip { padding: 36px 0; border-bottom: 1px solid var(--c-line); }
.trust-label { text-align: center; font-size: 13px; color: var(--c-muted); margin-bottom: 22px; letter-spacing: 1px; }
.logo-marquee { overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent); }
.logo-track { display: flex; width: max-content; animation: marquee 32s linear infinite; }
.logo-marquee:hover .logo-track { animation-play-state: paused; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.logo-track .lw { flex: 0 0 auto; height: 129px; width: 158px; margin-right: 18px; background: #fff;
  border: 1px solid var(--c-line); border-radius: 14px; display: flex; align-items: center; justify-content: center; padding: 6px 10px;
  box-shadow: var(--shadow-sm); transition: transform .25s ease, box-shadow .25s ease; }
.logo-track .lw:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.logo-track img { max-height: 78%; max-width: 92%; object-fit: contain; object-position: center; display: block; margin: auto; border-radius: 8px; }

/* ============================================================
   Generic section
   ============================================================ */
.section { padding: 92px 0; }
.section-alt { background: var(--c-bg-alt); }
.section-head { max-width: 740px; margin: 0 auto 56px; text-align: center; }
.kicker { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: 1.5px;
  color: var(--c-primary); background: var(--c-primary-soft); padding: 5px 14px; border-radius: 999px; margin-bottom: 16px; }
.section-head h2 { font-size: clamp(26px, 3.2vw, 38px); color: var(--c-ink); font-weight: 800; line-height: 1.25; letter-spacing: -.3px; }
.section-head p { margin-top: 16px; font-size: 16px; color: var(--c-text); }

/* ============================================================
   About
   ============================================================ */
.about-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-copy h2 { font-size: clamp(24px,2.6vw,32px); color: var(--c-ink); font-weight: 800; margin: 12px 0 18px; line-height: 1.3; }
.about-copy > p { font-size: 15.5px; color: var(--c-text); margin-bottom: 14px; }
.about-points { display: grid; gap: 14px; margin-top: 24px; }
.about-points div { display: flex; flex-direction: column; gap: 4px; padding: 16px 20px; background: var(--c-bg-alt);
  border-radius: var(--radius-sm); border-left: 3px solid var(--c-primary); }
.about-points b { color: var(--c-primary); font-size: 16px; }
.about-points span { color: var(--c-text); font-size: 14.5px; }

.about-visual-cards { display: grid; gap: 20px; }
.adv-feature { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); padding: 28px;
  box-shadow: var(--shadow-sm); transition: transform .3s ease, box-shadow .3s ease; }
.adv-feature:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.adv-feature-ico { width: 52px; height: 52px; border-radius: 15px; background: var(--c-primary-soft);
  display: grid; place-items: center; font-size: 24px; margin-bottom: 16px; }
.adv-feature h3 { font-size: 20px; color: var(--c-ink); margin-bottom: 10px; font-weight: 700; }
.adv-feature p { font-size: 14.5px; color: var(--c-text); }
.adv-feature b { color: var(--c-primary-dark); }

/* ============================================================
   Stats band
   ============================================================ */
.stats-band { background: var(--grad-warm); padding: 64px 0; position: relative; overflow: hidden; }
.stats-band::after { content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(circle at 20% 20%, rgba(255,255,255,.18), transparent 40%),
                    radial-gradient(circle at 80% 80%, rgba(255,255,255,.14), transparent 40%); }
.stats-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; position: relative; z-index: 1; }
.stat { text-align: center; color: #fff; }
.stat strong { display: block; font-size: clamp(34px, 4.5vw, 52px); font-weight: 800; line-height: 1; }
.stat span { font-size: 15px; opacity: .92; margin-top: 10px; display: block; }

/* ============================================================
   Business overview cards
   ============================================================ */
.cards-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.cards-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.biz-card { display: block; background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
  padding: 28px 24px; transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  position: relative; overflow: hidden; }
.biz-card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 4px; background: var(--grad-primary);
  transform: scaleX(0); transform-origin: left; transition: transform .35s ease; }
.biz-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); border-color: transparent; }
.biz-card:hover::before { transform: scaleX(1); }
.biz-icon { width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center; margin-bottom: 18px;
  background: linear-gradient(135deg, var(--c1), var(--c2)); box-shadow: 0 10px 22px rgba(240,80,10,.22); }
.biz-card h3 { font-size: 19px; color: var(--c-ink); margin-bottom: 10px; font-weight: 700; }
.biz-card > p { font-size: 14px; color: var(--c-text); margin-bottom: 16px; min-height: 60px; }
.biz-more { font-size: 14px; font-weight: 600; color: var(--c-primary); transition: color .2s; }
.biz-card:hover .biz-more { color: var(--c-primary-dark); }

/* ============================================================
   Tabbed solutions (健康管理)
   ============================================================ */
.solutions { max-width: 1000px; margin: 0 auto; }
.sol-tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 32px; }
.sol-tab { padding: 11px 26px; border-radius: 999px; font-size: 15px; font-weight: 600; color: var(--c-text);
  background: #fff; box-shadow: var(--shadow-sm); transition: .25s; }
.sol-tab:hover { color: var(--c-primary); }
.sol-tab.active { background: var(--grad-primary); color: #fff; box-shadow: 0 10px 24px rgba(240,80,10,.3); }

.sol-panel { display: none; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center;
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: 40px; }
.sol-panel.active { display: grid; animation: fade .4s ease both; }
@keyframes fade { from{opacity:0; transform:translateY(12px)} to{opacity:1; transform:translateY(0)} }
.sol-text h3 { font-size: 24px; color: var(--c-ink); margin-bottom: 14px; font-weight: 700; }
.sol-text > p { font-size: 15px; color: var(--c-text); margin-bottom: 18px; }
.sol-text.full { grid-column: 1 / -1; }
.sol-note { font-size: 13.5px; color: var(--c-muted); background: var(--c-primary-soft); padding: 12px 16px; border-radius: 12px; }

.check-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 18px; }
.check-list li { position: relative; padding-left: 28px; font-size: 14.5px; color: var(--c-ink); font-weight: 500; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 20px; height: 20px; border-radius: 50%;
  background: var(--c-primary-soft); color: var(--c-primary); font-size: 12px; font-weight: 700; display: grid; place-items: center; }

/* price cards (药诊卡) */
.price-cards { display: grid; gap: 16px; }
.price-card { border: 1.5px solid var(--c-line); border-radius: var(--radius); padding: 22px 24px; position: relative; transition: .3s; }
.price-card:hover { border-color: var(--c-primary-soft2); box-shadow: var(--shadow-sm); }
.price-card.pc-hot { border-color: var(--c-primary); background: var(--c-primary-soft); }
.pc-tag { display: inline-block; font-size: 11px; font-weight: 700; color: #fff; background: var(--grad-primary);
  padding: 3px 12px; border-radius: 999px; margin-bottom: 10px; }
.price-card h4 { font-size: 22px; color: var(--c-ink); font-weight: 800; margin-bottom: 8px; }
.pc-rule { font-size: 13px; color: var(--c-text); line-height: 1.7; }

/* category chips (买药商城) */
.cat-grid { display: flex; flex-wrap: wrap; gap: 10px; }
.cat-chip { padding: 9px 16px; background: var(--c-primary-soft); color: var(--c-primary-dark); border-radius: 999px;
  font-size: 14px; font-weight: 600; transition: .2s; }
.cat-chip:hover { background: var(--c-primary); color: #fff; transform: translateY(-2px); }

/* service tiles (汽车服务) */
.auto-grid { display: grid; grid-template-columns: repeat(9, 1fr); gap: 14px; margin-bottom: 40px; }
.svc-tile { display: flex; flex-direction: column; align-items: center; gap: 10px; padding: 20px 6px; background: #fff;
  border: 1px solid var(--c-line); border-radius: var(--radius-sm); font-size: 13.5px; font-weight: 600; color: var(--c-ink);
  transition: transform .25s ease, box-shadow .25s ease; }
.svc-tile span { font-size: 26px; }
.svc-tile:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }

/* ============================================================
   Data tables
   ============================================================ */
.table-wrap { overflow-x: auto; border: 1px solid var(--c-line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow-sm); }
.data-table { min-width: 640px; }
.data-table th, .data-table td { padding: 15px 18px; text-align: left; font-size: 14px; border-bottom: 1px solid var(--c-line); }
.data-table thead th { background: var(--c-primary-soft); color: var(--c-primary-dark); font-weight: 700; white-space: nowrap; }
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover { background: var(--c-bg-alt); }
.data-table td:first-child { color: var(--c-muted); font-weight: 600; white-space: nowrap; }
.data-table td.price, .data-table .price { color: var(--c-primary-dark); font-weight: 800; font-size: 16px; white-space: nowrap; }
.table-foot { font-size: 13px; color: var(--c-muted); margin-top: 16px; text-align: center; }

/* ============================================================
   Housekeeping cards
   ============================================================ */
.house-card { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); padding: 30px 26px;
  transition: transform .3s ease, box-shadow .3s ease; position: relative; }
.house-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.house-no { font-size: 36px; font-weight: 800; background: var(--grad-primary); -webkit-background-clip: text;
  background-clip: text; color: transparent; opacity: .6; }
.house-card h3 { font-size: 19px; color: var(--c-ink); margin: 4px 0 10px; font-weight: 700; }
.house-card p { font-size: 14px; color: var(--c-text); }

/* ============================================================
   Life services
   ============================================================ */
.life-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.life-copy h2 { font-size: clamp(24px,2.8vw,34px); color: var(--c-ink); font-weight: 800; margin: 12px 0 16px; line-height: 1.3; }
.life-copy > p { font-size: 15.5px; color: var(--c-text); margin-bottom: 22px; }
.life-list { margin-bottom: 0; }

/* life tabs (brand grid) — xiaokun style */
.life-card { display: grid; grid-template-columns: 180px 1fr; gap: 28px; background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow-md); }
.life-tabs { display: flex; flex-direction: column; gap: 6px; }
.life-tab { -webkit-appearance: none; appearance: none; border: 0; background-color: transparent; background-image: none; text-align: center; padding: 12px 14px; font-size: 15px; color: var(--c-text); cursor: pointer; border-radius: 8px; font-family: inherit; font-weight: 500; outline: none; -webkit-tap-highlight-color: transparent; transition: background-color .15s, color .15s; }
.life-tab:focus { outline: none; }
.life-tab:focus-visible { outline: 2px solid var(--c-primary); outline-offset: 2px; }
.life-tab:hover { background-color: #fff4ec; background-image: none; color: var(--c-primary); }
.life-tab.active,
.life-tab.active:hover,
.life-tab.active:focus { background-color: var(--c-primary); background-image: linear-gradient(135deg, var(--c-primary), #ff8a3a); color: #fff; font-weight: 700; box-shadow: 0 6px 14px rgba(255,106,19,.25); }
.life-panels { position: relative; min-height: 280px; }
.life-panel { display: none; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.life-panel.active { display: grid; }
.life-brand { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; background: #fafbfd; border: 1px solid #eef0f5; border-radius: 10px; padding: 14px 10px; transition: transform .18s, border-color .18s, box-shadow .18s; }
.life-brand:hover { transform: translateY(-3px); border-color: var(--c-primary); box-shadow: 0 8px 20px rgba(255,106,19,.12); }
.life-brand .lb-logo { width: 56px; height: 56px; display: block; flex: 0 0 auto; }
.life-brand .lb-logo img { width: 100%; height: 100%; object-fit: contain; display: block; }
.life-brand .lb-name { font-size: 13px; color: var(--c-ink); font-weight: 500; text-align: center; line-height: 1.2; word-break: break-all; }

/* ============================================================
   AI services
   ============================================================ */
.ai-apps { margin-bottom: 48px; }
.ai-tile { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); padding: 24px 20px; text-align: center;
  transition: transform .3s ease, box-shadow .3s ease; }
.ai-tile:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.ai-tile span { font-size: 30px; display: block; margin-bottom: 12px; }
.ai-tile b { display: block; font-size: 16px; color: var(--c-ink); font-weight: 700; margin-bottom: 4px; }
.ai-tile small { font-size: 12.5px; color: var(--c-muted); }

.ai-feature { display: grid; grid-template-columns: 1.1fr .9fr; gap: 44px; align-items: center;
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: 44px; }
.ai-feature-text h3 { font-size: 24px; color: var(--c-ink); font-weight: 700; margin-bottom: 14px; }
.ai-feature-text p { font-size: 15px; color: var(--c-text); margin-bottom: 14px; }
.ai-feature-text b { color: var(--c-primary-dark); }
.ai-stats { display: flex; gap: 30px; margin-top: 22px; }
.ai-stats li { display: flex; flex-direction: column; }
.ai-stats strong { font-size: 32px; font-weight: 800; color: var(--c-ink); line-height: 1; }
.ai-stats strong i { font-size: 16px; font-style: normal; color: var(--c-primary); }
.ai-stats span { font-size: 13px; color: var(--c-muted); margin-top: 6px; }
.ai-feature-visual { background: var(--c-primary-soft); border-radius: var(--radius); padding: 24px; }
.ai-feature-visual img { width: 100%; border-radius: 12px; background: #fff; display: block; }
.ai-tags { display: flex; justify-content: center; gap: 12px; margin-top: 16px; }
.ai-tags span { font-size: 12.5px; font-weight: 600; padding: 6px 14px; border-radius: 999px; background: #fff; color: var(--c-primary-dark); box-shadow: var(--shadow-sm); }

/* browser-framed dashboard screenshot */
.browser { margin-top: 28px; border: 1px solid var(--c-line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md); background: #fff; }
.browser-bar { height: 40px; background: #f3f4f7; display: flex; align-items: center; gap: 8px; padding: 0 16px; border-bottom: 1px solid var(--c-line); }
.browser-bar span { width: 11px; height: 11px; border-radius: 50%; background: #d7dbe2; }
.browser-bar span:nth-child(1) { background: #ff5f57; }
.browser-bar span:nth-child(2) { background: #febc2e; }
.browser-bar span:nth-child(3) { background: #28c840; }
.browser-bar em { margin-left: 10px; font-style: normal; font-size: 12.5px; color: var(--c-muted); }
.browser > img { width: 100%; display: block; }

/* phone screenshot frame */
.phone-shot { display: flex; justify-content: center; }
.phone-shot img { max-height: 540px; width: auto; max-width: 100%; border-radius: 26px; border: 7px solid #fff;
  box-shadow: var(--shadow-lg); background: #fff; }

/* housekeeping two-column */
.house-inner { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; align-items: center; margin-bottom: 28px; }
.house-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

/* life services image */
.life-shot img { width: 100%; border-radius: var(--radius); box-shadow: var(--shadow-md); background: #fff; border: 1px solid var(--c-line); }

/* ============================================================
   Qualification
   ============================================================ */
.cert-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 18px; }
.cert-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--c-line);
  border-radius: var(--radius-sm); overflow: hidden; cursor: pointer; outline: none;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.cert-card:hover, .cert-card:focus-visible { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--c-primary-soft2); }
.cert-card:focus-visible { box-shadow: 0 0 0 3px var(--c-primary-soft2), var(--shadow-md); }
.cert-thumb { position: relative; aspect-ratio: 4 / 3; background: #f7f5f3; display: grid; place-items: center; padding: 12px; overflow: hidden; }
.cert-thumb::after { content: "🔍 查看大图"; position: absolute; inset: 0; display: grid; place-items: center;
  background: rgba(31,36,48,.45); color: #fff; font-size: 13px; font-weight: 600; opacity: 0; transition: opacity .25s ease; }
.cert-card:hover .cert-thumb::after, .cert-card:focus-visible .cert-thumb::after { opacity: 1; }
.cert-thumb img { max-width: 100%; max-height: 100%; object-fit: contain; transition: transform .35s ease; }
.cert-card:hover .cert-thumb img { transform: scale(1.04); }
.cert-name { padding: 13px 14px; font-size: 13px; font-weight: 600; color: var(--c-ink); text-align: center;
  border-top: 1px solid var(--c-line); line-height: 1.5; }

/* ============================================================
   Clients
   ============================================================ */
.clients-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-bottom: 44px; }
.client-card { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); padding: 24px 26px;
  transition: transform .3s ease, box-shadow .3s ease; border-left: 4px solid var(--c-primary); }
.client-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.cc-logo { display: flex; align-items: center; height: 50px; margin-bottom: 14px; }
.cc-logo img { height: 50px; width: auto; max-width: 175px; object-fit: contain; object-position: left center; border-radius: 8px; }
.client-card small { display: block; font-size: 13.5px; font-weight: 500; color: var(--c-muted); line-height: 1.7; }
.clients-highlight { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; padding: 40px;
  background: var(--grad-warm); border-radius: var(--radius); text-align: center; }
.clients-highlight div { color: #fff; }
.clients-highlight strong { display: block; font-size: clamp(30px,4vw,46px); font-weight: 800; line-height: 1; }
.clients-highlight span { font-size: 14px; opacity: .92; margin-top: 8px; display: block; }

/* ============================================================
   CTA
   ============================================================ */
.cta { padding: 90px 0; background:
  radial-gradient(circle at 15% 20%, rgba(255,138,51,.12), transparent 45%),
  radial-gradient(circle at 85% 80%, rgba(255,106,19,.1), transparent 45%), var(--c-bg-alt); }
.cta-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.cta-copy h2 { font-size: clamp(26px,3vw,38px); color: var(--c-ink); font-weight: 800; margin-bottom: 16px; line-height: 1.3; }
.cta-copy > p { font-size: 16px; color: var(--c-text); margin-bottom: 28px; max-width: 440px; }
.cta-contact { display: grid; gap: 14px; }
.cta-contact li { display: flex; align-items: center; gap: 12px; font-size: 15.5px; color: var(--c-ink); font-weight: 500; }
.cta-contact span { width: 38px; height: 38px; border-radius: 12px; background: #fff; box-shadow: var(--shadow-sm); display: grid; place-items: center; font-size: 17px; }

.cta-form { background: #fff; border-radius: 24px; box-shadow: var(--shadow-lg); padding: 38px; }
.cta-form h3 { font-size: 22px; color: var(--c-ink); font-weight: 700; margin-bottom: 22px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13.5px; color: var(--c-text); margin-bottom: 7px; font-weight: 500; }
.field input, .field select { width: 100%; padding: 13px 16px; border-radius: 12px; border: 1.5px solid var(--c-line);
  font-size: 15px; color: var(--c-ink); background: #fff; transition: border-color .2s, box-shadow .2s; }
.field input:focus, .field select:focus { outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 4px var(--c-primary-soft); }
.field input::placeholder { color: #b7bdc8; }
.form-note { text-align: center; font-size: 14px; margin-top: 14px; min-height: 20px; font-weight: 600; }
.form-note.ok { color: #1f9d5c; }
.form-note.err { color: #e3493d; }

/* ============================================================
   Footer
   ============================================================ */
.site-footer { background: #1c2230; color: #aeb6c4; padding-top: 64px; }
.footer-top { display: grid; grid-template-columns: 1.6fr 2.4fr; gap: 48px; padding-bottom: 44px; }
.logo-footer .logo-img { height: 38px; background: #fff; padding: 8px 14px; border-radius: 10px; }
.footer-brand p { margin-top: 18px; font-size: 14px; line-height: 1.8; max-width: 360px; }
.footer-links { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.fl-col h4 { color: #fff; font-size: 15px; margin-bottom: 16px; font-weight: 600; }
.fl-col a, .fl-col span { display: block; font-size: 14px; color: #99a2b2; margin-bottom: 11px; transition: color .2s; }
.fl-col a:hover { color: var(--c-primary-light); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 22px 0; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.footer-bottom p { font-size: 13px; color: #7d8698; }
.footer-bottom a { color: #7d8698; transition: color .2s; }
.footer-bottom a:hover { color: var(--c-primary-light); }

/* ---------- Back to top ---------- */
.back-top { position: fixed; right: 26px; bottom: 26px; width: 48px; height: 48px; border-radius: 14px;
  background: var(--grad-primary); color: #fff; display: grid; place-items: center; z-index: 90;
  box-shadow: 0 10px 26px rgba(240,80,10,.4); opacity: 0; visibility: hidden; transform: translateY(14px); transition: .3s; }
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { transform: translateY(-3px); }

/* ---------- Scroll progress ---------- */
.scroll-progress { position: fixed; top: 0; left: 0; height: 3px; width: 0; z-index: 200;
  background: var(--grad-warm); box-shadow: 0 0 8px rgba(240,80,10,.5); transition: width .1s linear; }

/* ---------- Section-head inline hint ---------- */
.head-hint { font-size: 13px; color: var(--c-muted); font-weight: 500; }

/* ============================================================
   Lightbox
   ============================================================ */
.lightbox { position: fixed; inset: 0; z-index: 300; display: none; align-items: center; justify-content: center;
  background: rgba(20,16,12,.82); backdrop-filter: blur(6px); padding: 40px; }
.lightbox.open { display: flex; animation: lbfade .25s ease both; }
@keyframes lbfade { from { opacity: 0; } to { opacity: 1; } }
.lb-stage { max-width: 760px; max-height: 86vh; display: flex; flex-direction: column; align-items: center; gap: 14px; }
.lb-stage img { max-width: 100%; max-height: 78vh; object-fit: contain; border-radius: 10px; background: #fff;
  box-shadow: 0 30px 80px rgba(0,0,0,.5); animation: lbpop .3s cubic-bezier(.2,.8,.2,1) both; }
@keyframes lbpop { from { opacity: 0; transform: scale(.94); } to { opacity: 1; transform: scale(1); } }
.lb-stage figcaption { color: #fff; font-size: 15px; font-weight: 600; text-align: center; }
.lb-btn { position: absolute; background: rgba(255,255,255,.14); color: #fff; border-radius: 50%;
  display: grid; place-items: center; transition: background .2s ease, transform .2s ease; }
.lb-btn:hover { background: var(--c-primary); transform: scale(1.06); }
.lb-close { top: 22px; right: 26px; width: 46px; height: 46px; font-size: 30px; line-height: 1; }
.lb-prev, .lb-next { top: 50%; transform: translateY(-50%); width: 54px; height: 54px; font-size: 38px; line-height: 1; padding-bottom: 4px; }
.lb-prev { left: 30px; } .lb-next { right: 30px; }
.lb-prev:hover, .lb-next:hover { transform: translateY(-50%) scale(1.06); }

/* ============================================================
   Reveal animation
   ============================================================ */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.8,.2,1); }
.reveal.in { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation: none !important; scroll-behavior: auto; }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  .cards-5 { grid-template-columns: repeat(3,1fr); }
  .cards-4 { grid-template-columns: repeat(2,1fr); }
  .auto-grid { grid-template-columns: repeat(5,1fr); }
  .hero-inner { gap: 36px; }
}
@media (max-width: 880px) {
  .nav-toggle { display: flex; }
  .main-nav { position: fixed; inset: var(--header-h) 0 auto 0; flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; padding: 12px 16px 20px; box-shadow: var(--shadow-lg);
    transform: translateY(-130%); transition: transform .35s ease; max-height: calc(100vh - var(--header-h)); overflow: auto; }
  .main-nav.open { transform: translateY(0); }
  .main-nav a { padding: 14px 12px; border-radius: 10px; }
  .main-nav a::after { display: none; }
  .main-nav a.active { background: var(--c-primary-soft); }
  .main-nav a.nav-cta { margin: 8px 0 0; text-align: center; }

  .hero { padding-top: calc(var(--header-h) + 40px); }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { order: -1; margin-bottom: 8px; }
  .hero-sub { max-width: none; }
  .hero-trust { gap: 28px; }

  .about-inner { grid-template-columns: 1fr; gap: 36px; }
  .sol-panel.active { grid-template-columns: 1fr; }
  .ai-feature { grid-template-columns: 1fr; gap: 32px; padding: 32px; }
  .life-inner { grid-template-columns: 1fr; gap: 36px; }
  .life-card { grid-template-columns: 1fr; gap: 18px; }
  .life-tabs { flex-direction: row; flex-wrap: wrap; }
  .life-tab { flex: 1 0 auto; text-align: center; padding: 10px 12px; }
  .life-panel { grid-template-columns: repeat(3, 1fr); }
  .house-inner { grid-template-columns: 1fr; gap: 32px; }
  .cta-inner { grid-template-columns: 1fr; gap: 36px; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 620px) {
  .section { padding: 64px 0; }
  .cards-5 { grid-template-columns: 1fr; }
  .cards-4 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2,1fr); gap: 32px 16px; }
  .auto-grid { grid-template-columns: repeat(3,1fr); }
  .check-list { grid-template-columns: 1fr; }
  .clients-grid { grid-template-columns: 1fr; }
  .clients-highlight { grid-template-columns: 1fr; gap: 28px; padding: 32px 24px; }
  .ai-stats { gap: 22px; }
  .footer-links { grid-template-columns: repeat(2,1fr); }
  .footer-bottom { flex-direction: column; }
  .sol-panel { padding: 26px; }
  .cta-form { padding: 28px 22px; }
  .hero-chip { display: none; }
  .hero-trust strong { font-size: 26px; }
  .biz-card > p { min-height: 0; }
  .house-cards { grid-template-columns: 1fr; }
  .phone-shot img { max-height: 460px; }
  .logo-track .lw { height: 110px; width: 132px; }
  .lb-btn.lb-prev { left: 12px; } .lb-btn.lb-next { right: 12px; }
  .lb-stage { max-width: 92vw; }
}