/* =====================================================================
   镭瓦科技 · 企业官网设计系统
   配色：Odoo 品牌紫 #e01414 + 科技蓝 #2b50d8 + 点缀青 #0FA98A
   ===================================================================== */

/* ---------- 1. Design Tokens ---------- */
:root {
  --brand: #e01414;
  --brand-2: #ea3b3b;
  --brand-3: #f58a8a;
  --brand-ink: #7a0f14;
  --brand-soft: #fdeeee;
  --brand-soft-2: #fbdcdc;

  --blue: #2b50d8;
  --blue-2: #5c7cfa;
  --blue-ink: #23389c;
  --blue-soft: #eef1fe;

  --teal: #0fa98a;
  --teal-soft: #e6f7f3;
  --amber: #d9822b;
  --amber-soft: #fdf1e3;

  --ink: #15171e;
  --ink-2: #363c4b;
  --muted: #6b7285;
  --muted-2: #8b91a3;

  --line: #e7e9f0;
  --line-2: #f0f1f6;
  --bg: #ffffff;
  --soft: #f7f7fb;
  --soft-2: #f1f2f8;

  --grad: linear-gradient(135deg, #e01414 0%, #cf2050 46%, #2b50d8 100%);
  --grad-soft: linear-gradient(135deg, #f7f1f5 0%, #f2f0fa 50%, #eef1fe 100%);
  --grad-text: linear-gradient(100deg, #e01414 0%, #cf2050 42%, #2b50d8 100%);

  --r-sm: 8px;
  --r: 14px;
  --r-lg: 20px;
  --r-xl: 28px;

  --sh-xs: 0 1px 2px rgba(21, 23, 30, .05);
  --sh-sm: 0 2px 8px rgba(21, 23, 30, .05), 0 1px 2px rgba(21, 23, 30, .04);
  --sh: 0 8px 24px -6px rgba(21, 23, 30, .10), 0 2px 6px rgba(21, 23, 30, .04);
  --sh-lg: 0 24px 56px -18px rgba(21, 23, 30, .18), 0 6px 16px -6px rgba(21, 23, 30, .06);
  --sh-brand: 0 12px 30px -10px rgba(113, 75, 103, .42);

  --maxw: 1200px;
  --nav-h: 70px;

  --ff: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --ff-num: "SF Mono", "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
}

/* ---------- 2. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 92px; }
body {
  font-family: var(--ff);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-2);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
ul, ol { list-style: none; }
::selection { background: var(--brand); color: #fff; }

/* ---------- 3. Typography ---------- */
h1, h2, h3, h4, h5 {
  color: var(--ink);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -.02em;
}
h1 { font-size: clamp(2.1rem, 1.35rem + 2.6vw, 3.5rem); letter-spacing: -.03em; line-height: 1.12; }
h2 { font-size: clamp(1.6rem, 1.2rem + 1.5vw, 2.35rem); }
h3 { font-size: clamp(1.12rem, 1rem + .45vw, 1.35rem); }
h4 { font-size: 1.02rem; }
p { color: var(--muted); }
strong { color: var(--ink-2); font-weight: 650; }

.grad-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.num { font-variant-numeric: tabular-nums; }

/* ---------- 4. Layout ---------- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: clamp(64px, 7vw, 108px) 0; position: relative; }
.section--soft { background: var(--soft); }
.section--grad { background: var(--grad-soft); }
.section--tight { padding: clamp(48px, 5vw, 72px) 0; }

.sec-head { max-width: 720px; margin-bottom: clamp(36px, 4vw, 56px); }
.sec-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-head h2 { margin: 14px 0 16px; }
.sec-head p { font-size: 1.06rem; line-height: 1.75; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .78rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--brand);
  background: var(--brand-soft);
  border: 1px solid var(--brand-soft-2);
  padding: 6px 13px; border-radius: 100px;
}
.eyebrow--blue { color: var(--blue-ink); background: var(--blue-soft); border-color: #dfe4fc; }
.eyebrow--teal { color: #0a7d67; background: var(--teal-soft); border-color: #d3f0e9; }
.eyebrow--light { color: #fff; background: rgba(255,255,255,.16); border-color: rgba(255,255,255,.3); }

.grid { display: grid; gap: 22px; }
.g-2 { grid-template-columns: repeat(2, 1fr); }
.g-3 { grid-template-columns: repeat(3, 1fr); }
.g-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- 5. Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  height: 48px; padding: 0 24px; border-radius: 100px;
  font-size: .95rem; font-weight: 600; letter-spacing: .01em;
  white-space: nowrap; cursor: pointer; border: 1px solid transparent;
  transition: transform .18s ease, box-shadow .22s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn svg { flex: none; }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary { background: var(--grad); color: #fff; box-shadow: var(--sh-brand); }
.btn--primary:hover { box-shadow: 0 18px 38px -12px rgba(113, 75, 103, .55); }

.btn--dark { background: var(--ink); color: #fff; box-shadow: var(--sh-sm); }
.btn--dark:hover { background: #242833; }

.btn--ghost { background: #fff; color: var(--ink); border-color: var(--line); box-shadow: var(--sh-xs); }
.btn--ghost:hover { border-color: var(--brand-3); color: var(--brand); box-shadow: var(--sh-sm); }

.btn--light { background: rgba(255,255,255,.14); color: #fff; border-color: rgba(255,255,255,.32); backdrop-filter: blur(8px); }
.btn--light:hover { background: rgba(255,255,255,.24); }

.btn--sm { height: 40px; padding: 0 18px; font-size: .88rem; }
.btn--lg { height: 54px; padding: 0 30px; font-size: 1rem; }
.btn--block { width: 100%; }

.link-arrow {
  display: inline-flex; align-items: center; gap: 7px;
  font-weight: 600; color: var(--brand); font-size: .94rem;
}
.link-arrow svg { transition: transform .22s ease; }
.link-arrow:hover svg { transform: translateX(4px); }

/* ---------- 6. Navbar ---------- */
.nav {
  position: sticky; top: 0; z-index: 100; height: var(--nav-h);
  background: rgba(255,255,255,.82);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease, box-shadow .25s ease, background .25s ease;
}
.nav.is-scrolled { border-bottom-color: var(--line); box-shadow: 0 4px 20px -12px rgba(21,23,30,.22); }
.nav__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.logo { display: flex; align-items: center; gap: 12px; flex: none; }
.logo__mark {
  width: auto; height: 44px; border-radius: 0;
  background: none; display: flex; align-items: center;
  box-shadow: none;
}
.logo__mark img { height: 44px; width: auto; display: block; }
/* Logo 图形底部有大片浅蓝椭圆盘，视觉重心偏低（约在 60% 高度处）。
   文字列按视觉重心对齐，而非几何中心，两侧才看着齐。 */
.logo__text {
  display: flex; flex-direction: column; justify-content: center;
  line-height: 1; padding-top: 8px;
}
.logo__cn { font-size: 1.06rem; font-weight: 800; color: var(--ink); letter-spacing: -.01em; }
.logo__en { font-size: .6rem; font-weight: 700; letter-spacing: .14em; color: var(--muted-2); text-transform: uppercase; margin-top: 4px; }

.nav__menu { display: flex; align-items: center; gap: 2px; }
.nav__link {
  position: relative; padding: 9px 14px; border-radius: 9px;
  font-size: .93rem; font-weight: 550; color: var(--ink-2);
  transition: color .18s ease, background .18s ease;
}
.nav__link:hover { color: var(--brand); background: var(--brand-soft); }
.nav__link.is-active { color: var(--brand); font-weight: 650; }
.nav__link.is-active::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 1px;
  height: 2px; border-radius: 2px; background: var(--grad);
}
.nav__cta { display: flex; align-items: center; gap: 10px; flex: none; }
.nav__phone { display: flex; align-items: center; gap: 7px; font-size: .88rem; font-weight: 650; color: var(--ink-2); }
.nav__phone svg { color: var(--brand); }

.nav__burger { display: none; width: 44px; height: 44px; border-radius: 10px; border: 1px solid var(--line); align-items: center; justify-content: center; flex-direction: column; flex: none; }
.nav__burger span { display: block; width: 18px; height: 2px; background: var(--ink); border-radius: 2px; transition: .25s; }
.nav__burger span + span { margin-top: 4px; }
.nav.is-open .nav__burger span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav.is-open .nav__burger span:nth-child(2) { opacity: 0; }
.nav.is-open .nav__burger span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- 7. Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  padding: clamp(56px, 7vw, 96px) 0 clamp(64px, 7vw, 104px);
  background: var(--bg);
}
.hero__bg { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.hero__bg::before {
  content: ""; position: absolute; width: 900px; height: 900px; top: -420px; right: -260px;
  background: radial-gradient(circle, rgba(224,20,20,.16) 0%, rgba(224,20,20,0) 62%);
}
.hero__bg::after {
  content: ""; position: absolute; width: 780px; height: 780px; top: -300px; left: -320px;
  background: radial-gradient(circle, rgba(59,91,219,.14) 0%, rgba(59,91,219,0) 62%);
}
.hero__grid-lines {
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--line-2) 1px, transparent 1px), linear-gradient(90deg, var(--line-2) 1px, transparent 1px);
  background-size: 62px 62px;
  mask-image: radial-gradient(ellipse 78% 62% at 62% 26%, #000 0%, transparent 76%);
  -webkit-mask-image: radial-gradient(ellipse 78% 62% at 62% 26%, #000 0%, transparent 76%);
}
.hero__inner { position: relative; display: grid; grid-template-columns: 1.02fr .98fr; gap: clamp(32px, 4vw, 60px); align-items: center; }
.hero h1 { margin: 20px 0 20px; }
.hero__lead { font-size: clamp(1.02rem, .95rem + .3vw, 1.16rem); line-height: 1.75; max-width: 560px; color: var(--ink-2); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 32px; }
.hero__note { display: flex; align-items: center; gap: 9px; margin-top: 20px; font-size: .88rem; color: var(--muted); }
.hero__note svg { color: var(--teal); flex: none; }

.hero__badges { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 34px; padding-top: 26px; border-top: 1px solid var(--line); }
.badge-chip {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: .81rem; font-weight: 620; color: var(--ink-2);
  background: var(--soft); border: 1px solid var(--line);
  padding: 7px 13px; border-radius: 100px;
}
.badge-chip svg { color: var(--brand); flex: none; }

/* Hero dashboard mockup */
.mock-wrap { position: relative; }
.mock {
  position: relative; z-index: 2;
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  box-shadow: var(--sh-lg); overflow: hidden;
}
.mock__bar {
  display: flex; align-items: center; gap: 8px;
  padding: 11px 14px; background: var(--soft); border-bottom: 1px solid var(--line);
}
.mock__dots { display: flex; gap: 5px; }
.mock__dots i { width: 9px; height: 9px; border-radius: 50%; background: #d9dbe4; }
.mock__dots i:first-child { background: #f0a6a0; }
.mock__dots i:nth-child(2) { background: #f2cf95; }
.mock__dots i:nth-child(3) { background: #a7d8c1; }
.mock__url {
  flex: 1; font-size: .68rem; color: var(--muted-2); background: #fff;
  border: 1px solid var(--line); border-radius: 6px; padding: 3px 10px;
  font-family: var(--ff-num);
}
.mock__body { display: grid; grid-template-columns: 62px 1fr; min-height: 320px; }
.mock__side { background: #3d2a37; padding: 14px 0; display: flex; flex-direction: column; align-items: center; gap: 14px; }
.mock__side i { width: 26px; height: 26px; border-radius: 8px; background: rgba(255,255,255,.14); }
.mock__side i:first-child { background: linear-gradient(135deg, #f58a8a, #e01414); }
.mock__main { padding: 16px; display: flex; flex-direction: column; gap: 12px; background: #fcfcfd; }
.mock__kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.kpi { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
.kpi b { display: block; font-size: 1.02rem; color: var(--ink); letter-spacing: -.02em; }
.kpi span { font-size: .64rem; color: var(--muted-2); font-weight: 600; }
.kpi i { display: block; height: 4px; border-radius: 3px; margin-top: 8px; }
.mock__panel { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 12px; flex: 1; }
.mock__panel-h { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.mock__panel-h b { font-size: .74rem; color: var(--ink); }
.mock__legend { display: flex; gap: 10px; font-size: .6rem; color: var(--muted-2); }
.mock__legend i { display: inline-block; width: 7px; height: 7px; border-radius: 2px; margin-right: 4px; }
.bars { display: flex; align-items: flex-end; gap: 9px; height: 108px; }
.bars > div { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; gap: 3px; height: 100%; }
.bars span { display: block; border-radius: 4px 4px 2px 2px; background: var(--brand); opacity: .85; }
.bars span.b { background: var(--blue); opacity: .75; }

.float-card {
  position: absolute; z-index: 3; background: #fff; border: 1px solid var(--line);
  border-radius: var(--r); box-shadow: var(--sh-lg); padding: 13px 16px;
  display: flex; align-items: center; gap: 11px;
}
.float-card--a { left: -22px; bottom: 54px; animation: floatY 5.5s ease-in-out infinite; }
.float-card--b { right: -18px; top: 42px; animation: floatY 6.5s ease-in-out infinite reverse; }
.float-card__ic { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; flex: none; }
.float-card b { display: block; font-size: .82rem; color: var(--ink); line-height: 1.3; }
.float-card span { font-size: .68rem; color: var(--muted-2); }
@keyframes floatY { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-11px); } }

/* ---------- 8. Logo strip ---------- */
.strip { padding: 34px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--soft); }
.strip__label { text-align: center; font-size: .78rem; font-weight: 650; letter-spacing: .1em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 20px; }
.strip__logos { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: clamp(24px, 4vw, 58px); }
.strip__logos span { font-size: 1.02rem; font-weight: 750; color: #a8adbd; letter-spacing: -.01em; transition: color .25s ease; }
.strip__logos span:hover { color: var(--brand); }

/* ---------- 9. Cards ---------- */
.card {
  position: relative; background: #fff; border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 28px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--sh); border-color: var(--line-2); }
.card__ic {
  width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center;
  background: var(--brand-soft); color: var(--brand); margin-bottom: 18px;
}
.card__ic--blue { background: var(--blue-soft); color: var(--blue); }
.card__ic--teal { background: var(--teal-soft); color: var(--teal); }
.card__ic--amber { background: var(--amber-soft); color: var(--amber); }
.card h3 { margin-bottom: 10px; }
.card p { font-size: .93rem; line-height: 1.7; }
.card__list { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line-2); display: grid; gap: 8px; }
.card__list li { display: flex; align-items: flex-start; gap: 9px; font-size: .87rem; color: var(--ink-2); }
.card__list svg { flex: none; margin-top: 5px; color: var(--teal); }

.card--link { display: flex; flex-direction: column; }
.card--link .link-arrow { margin-top: auto; padding-top: 20px; }

/* Numbered feature card */
.fcard { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 28px; }
.fcard__no {
  font-family: var(--ff-num); font-size: 1.5rem; font-weight: 700;
  background: var(--grad-text); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; margin-bottom: 12px; letter-spacing: -.04em;
}
.fcard h3 { font-size: 1.06rem; margin-bottom: 8px; }
.fcard p { font-size: .9rem; }

/* ---------- 10. Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }
.stat { background: #fff; padding: 32px 26px; }
.stat__n { font-size: clamp(1.9rem, 1.4rem + 1.5vw, 2.7rem); font-weight: 800; letter-spacing: -.035em; line-height: 1; background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; font-variant-numeric: tabular-nums; }
.stat__l { margin-top: 12px; font-size: .9rem; font-weight: 620; color: var(--ink); }
.stat__s { margin-top: 3px; font-size: .8rem; color: var(--muted-2); }

/* ---------- 11. Steps / timeline ---------- */
.steps { position: relative; display: grid; gap: 0; }
.step { position: relative; display: grid; grid-template-columns: 74px 1fr; gap: 24px; padding-bottom: 36px; }
.step:last-child { padding-bottom: 0; }
.step__rail { position: relative; display: flex; justify-content: center; }
.step__rail::before {
  content: ""; position: absolute; top: 46px; bottom: -36px; width: 2px;
  background: linear-gradient(180deg, var(--brand-soft-2), var(--line));
}
.step:last-child .step__rail::before { display: none; }
.step__dot {
  width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center;
  background: #fff; border: 1px solid var(--line); box-shadow: var(--sh-sm);
  font-family: var(--ff-num); font-weight: 700; color: var(--brand); z-index: 1;
}
.step__body { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 22px 24px; transition: box-shadow .25s ease, border-color .25s ease, transform .25s ease; }
.step__body:hover { box-shadow: var(--sh); border-color: var(--line-2); transform: translateX(3px); }
.step__meta { display: inline-flex; align-items: center; gap: 6px; font-size: .74rem; font-weight: 650; color: var(--blue-ink); background: var(--blue-soft); padding: 3px 10px; border-radius: 100px; margin-bottom: 10px; }
.step__body h3 { font-size: 1.1rem; margin-bottom: 8px; }
.step__body p { font-size: .91rem; }
.step__deliver { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 14px; }
.tag { font-size: .76rem; font-weight: 600; color: var(--ink-2); background: var(--soft-2); border: 1px solid var(--line); padding: 4px 11px; border-radius: 100px; }

/* ---------- 12. Cases ---------- */
.case {
  position: relative; background: #fff; border: 1px solid var(--line);
  border-radius: var(--r-lg); overflow: hidden; display: flex; flex-direction: column;
  transition: transform .25s ease, box-shadow .25s ease;
}
.case:hover { transform: translateY(-4px); box-shadow: var(--sh-lg); }
.case__top { height: 132px; position: relative; display: grid; place-items: center; }
.case__top--a { background: linear-gradient(135deg, #e01414, #4b3f7a); }
.case__top--b { background: linear-gradient(135deg, #2b50d8, #5c7cfa); }
.case__top--c { background: linear-gradient(135deg, #0f8f77, #0fa98a); }
.case__top--d { background: linear-gradient(135deg, #ea3b3b, #f58a8a); }
.case__init { font-size: 2.1rem; font-weight: 800; color: #fff; letter-spacing: -.04em; opacity: .95; }
.case__ind {
  position: absolute; top: 14px; left: 14px; font-size: .72rem; font-weight: 650;
  color: #fff; background: rgba(255,255,255,.2); border: 1px solid rgba(255,255,255,.28);
  padding: 4px 11px; border-radius: 100px; backdrop-filter: blur(6px);
}
.case__body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.case__body h3 { font-size: 1.08rem; margin-bottom: 9px; }
.case__body > p { font-size: .89rem; line-height: 1.68; }
.case__metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 20px 0 0; padding-top: 18px; border-top: 1px solid var(--line-2); }
.case__metrics div b { display: block; font-size: 1.06rem; color: var(--brand); font-weight: 750; letter-spacing: -.02em; }
.case__metrics div span { font-size: .72rem; color: var(--muted-2); }
.case__stack { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 18px; }

/* ---------- 13. Quote / testimonial ---------- */
.quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.quote { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 28px; display: flex; flex-direction: column; }
.quote__mark { color: var(--brand-3); margin-bottom: 14px; }
.quote p { font-size: .95rem; line-height: 1.78; color: var(--ink-2); flex: 1; }
.quote__who { display: flex; align-items: center; gap: 12px; margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line-2); }
.avatar { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; font-size: .85rem; font-weight: 700; color: #fff; flex: none; }
.avatar--a { background: linear-gradient(135deg, #e01414, #ea3b3b); }
.avatar--b { background: linear-gradient(135deg, #2b50d8, #5c7cfa); }
.avatar--c { background: linear-gradient(135deg, #0f8f77, #0fa98a); }
.quote__who b { display: block; font-size: .9rem; color: var(--ink); }
.quote__who span { font-size: .78rem; color: var(--muted-2); }
.stars { display: flex; gap: 2px; color: #f0a92b; margin-bottom: 12px; }

/* ---------- 14. Split feature ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 68px); align-items: center; }
.split--rev .split__media { order: -1; }
.split__media { position: relative; }
.check-list { display: grid; gap: 13px; margin-top: 26px; }
.check-list li { display: flex; align-items: flex-start; gap: 11px; font-size: .95rem; color: var(--ink-2); line-height: 1.65; }
.check-list svg { flex: none; margin-top: 4px; color: var(--teal); }
.check-list b { color: var(--ink); font-weight: 650; }

/* module cloud */
.mod-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.mod-pill {
  display: inline-flex; align-items: center; gap: 8px;
  background: #fff; border: 1px solid var(--line); border-radius: 100px;
  padding: 9px 16px; font-size: .86rem; font-weight: 600; color: var(--ink-2);
  box-shadow: var(--sh-xs); transition: .22s ease;
}
.mod-pill:hover { border-color: var(--brand-3); color: var(--brand); transform: translateY(-2px); box-shadow: var(--sh-sm); }
.mod-pill i { width: 7px; height: 7px; border-radius: 50%; background: var(--brand); flex: none; }
.mod-pill i.b { background: var(--blue); } .mod-pill i.t { background: var(--teal); } .mod-pill i.a { background: var(--amber); }

/* ---------- 15. CTA band ---------- */
.cta-band { position: relative; overflow: hidden; background: var(--grad); border-radius: var(--r-xl); padding: clamp(40px, 5vw, 68px); color: #fff; }
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 54px 54px; mask-image: radial-gradient(ellipse at 80% 20%, #000, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 80% 20%, #000, transparent 70%);
}
.cta-band__inner { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 34px; flex-wrap: wrap; }
.cta-band h2 { color: #fff; margin-bottom: 12px; }
.cta-band p { color: rgba(255,255,255,.82); font-size: 1.02rem; max-width: 560px; }
.cta-band__actions { display: flex; gap: 12px; flex-wrap: wrap; }
.cta-band .btn--ghost { background: #fff; border-color: #fff; color: var(--brand-ink); }
.cta-band__pts { display: flex; gap: 20px; flex-wrap: wrap; margin-top: 20px; }
.cta-band__pts span { display: inline-flex; align-items: center; gap: 7px; font-size: .86rem; color: rgba(255,255,255,.88); }

/* ---------- 16. Page header ---------- */
.phead { position: relative; overflow: hidden; padding: clamp(52px, 6vw, 86px) 0 clamp(44px, 5vw, 68px); background: var(--grad-soft); border-bottom: 1px solid var(--line); }
.phead__bg { position: absolute; inset: 0; background-image: linear-gradient(var(--line-2) 1px, transparent 1px), linear-gradient(90deg, var(--line-2) 1px, transparent 1px); background-size: 62px 62px; mask-image: radial-gradient(ellipse 70% 100% at 50% 0%, #000, transparent 78%); -webkit-mask-image: radial-gradient(ellipse 70% 100% at 50% 0%, #000, transparent 78%); pointer-events: none; }
.phead__inner { position: relative; max-width: 780px; }
.phead h1 { margin: 16px 0 16px; }
.phead p { font-size: 1.06rem; line-height: 1.75; }
.crumb { display: flex; align-items: center; gap: 8px; font-size: .82rem; color: var(--muted-2); }
.crumb a:hover { color: var(--brand); }
.crumb svg { opacity: .5; }

/* ---------- 17. Form ---------- */
.form { display: grid; gap: 18px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-size: .86rem; font-weight: 620; color: var(--ink); }
.field label i { color: #e05252; font-style: normal; }
.field input, .field select, .field textarea {
  width: 100%; background: #fff; border: 1px solid var(--line); border-radius: 11px;
  padding: 13px 15px; font-size: .93rem; color: var(--ink); transition: .2s ease; outline: none;
}
.field textarea { resize: vertical; min-height: 124px; line-height: 1.65; }
.field input::placeholder, .field textarea::placeholder { color: #b0b5c3; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--brand-3); box-shadow: 0 0 0 4px rgba(224,20,20,.1); }
.field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%236b7285' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 15px center; padding-right: 40px; }
.field.has-error input, .field.has-error textarea, .field.has-error select { border-color: #e05252; box-shadow: 0 0 0 4px rgba(224,82,82,.09); }
.field__err { font-size: .78rem; color: #d33; display: none; }
.field.has-error .field__err { display: block; }
.form__note { font-size: .8rem; color: var(--muted-2); }
.form__ok {
  display: none; align-items: flex-start; gap: 11px;
  background: var(--teal-soft); border: 1px solid #cdeee6; color: #0a7d67;
  border-radius: var(--r); padding: 15px 17px; font-size: .9rem; font-weight: 550;
}
.form__ok.is-show { display: flex; }
.form__fail {
  display: none; align-items: flex-start; gap: 11px;
  background: #fdeeee; border: 1px solid #f5c2c2; color: #9b1c1c;
  border-radius: var(--r); padding: 15px 17px; font-size: .9rem; font-weight: 550;
  margin-bottom: 16px;
}
.form__fail.is-show { display: flex; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.checks { display: flex; gap: 9px; flex-wrap: wrap; }
.check-chip { position: relative; }
.check-chip input { position: absolute; opacity: 0; pointer-events: none; }
.check-chip span {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: .85rem; font-weight: 580; color: var(--ink-2);
  background: #fff; border: 1px solid var(--line); border-radius: 100px; padding: 9px 16px;
  cursor: pointer; transition: .18s ease;
}
.check-chip input:checked + span { background: var(--brand-soft); border-color: var(--brand-3); color: var(--brand); font-weight: 650; }

/* ---------- 18. Contact info ---------- */
.info-list { display: grid; gap: 18px; }
.info-item { display: flex; gap: 15px; align-items: flex-start; }
.info-item__ic { width: 44px; height: 44px; border-radius: 13px; background: var(--brand-soft); color: var(--brand); display: grid; place-items: center; flex: none; }
.info-item b { display: block; font-size: .92rem; color: var(--ink); margin-bottom: 3px; }
.info-item span, .info-item a { font-size: .92rem; color: var(--muted); }
.info-item a:hover { color: var(--brand); }

/* ---------- 19. Accordion ---------- */
.acc { border: 1px solid var(--line); border-radius: var(--r); background: #fff; overflow: hidden; }
.acc + .acc { margin-top: 12px; }
.acc__q { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 18px; text-align: left; padding: 20px 24px; font-size: .99rem; font-weight: 650; color: var(--ink); }
.acc__q:hover { background: var(--soft); }
.acc__ic { width: 26px; height: 26px; border-radius: 8px; background: var(--soft-2); display: grid; place-items: center; flex: none; transition: .25s ease; color: var(--ink-2); }
.acc.is-open .acc__ic { background: var(--brand); color: #fff; transform: rotate(45deg); }
.acc__a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.acc__a > div { padding: 0 24px 22px; font-size: .93rem; line-height: 1.78; color: var(--muted); }

/* ---------- 20. Table ---------- */
.tbl-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r-lg); background: #fff; }
table { width: 100%; border-collapse: collapse; min-width: 720px; }
th, td { padding: 15px 20px; text-align: left; font-size: .89rem; border-bottom: 1px solid var(--line-2); }
th { background: var(--soft); font-weight: 680; color: var(--ink); font-size: .82rem; letter-spacing: .02em; white-space: nowrap; }
td { color: var(--muted); }
td:first-child { color: var(--ink); font-weight: 620; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: #fcfcfe; }
.tick { color: var(--teal); } .cross { color: #c9ccd6; }

/* ---------- 21. Footer ---------- */
.footer { background: #14161c; color: #9aa0b0; padding: clamp(48px, 5vw, 72px) 0 0; }
.footer__top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 36px; padding-bottom: 44px; border-bottom: 1px solid rgba(255,255,255,.09); }
.footer .logo__cn { color: #fff; }
.footer .logo__en { color: #616a7d; }
.footer__desc { font-size: .89rem; line-height: 1.75; color: #8a91a3; margin: 18px 0 20px; max-width: 320px; }
.footer__social { display: flex; gap: 10px; }
.footer__social a { width: 36px; height: 36px; border-radius: 10px; background: rgba(255,255,255,.07); display: grid; place-items: center; color: #9aa0b0; transition: .2s ease; }
.footer__social a:hover { background: var(--brand); color: #fff; }
.footer h4 { color: #fff; font-size: .9rem; font-weight: 680; margin-bottom: 16px; letter-spacing: .01em; }
.footer__links { display: grid; gap: 11px; }
.footer__links a { font-size: .88rem; color: #8a91a3; transition: color .18s ease; }
.footer__links a:hover { color: #fff; }
.footer__bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding: 22px 0; font-size: .82rem; color: #6f7686; }
.footer__legal { line-height: 1.8; }
.footer__legal > span { color: #5a6070; font-size: .78rem; }
.footer__bottom a:hover { color: #fff; }
.footer__bot-links { display: flex; gap: 20px; flex-wrap: wrap; }

/* ---------- 22. Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s cubic-bezier(.22,.61,.36,1), transform .7s cubic-bezier(.22,.61,.36,1); will-change: opacity, transform; }
.reveal.is-in { opacity: 1; transform: none; }
.d1 { transition-delay: .07s; } .d2 { transition-delay: .14s; } .d3 { transition-delay: .21s; } .d4 { transition-delay: .28s; } .d5 { transition-delay: .35s; } .d6 { transition-delay: .42s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .float-card, .float-card--a, .float-card--b { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 23. Utilities ---------- */
.mt-0 { margin-top: 0 !important; } .mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; } .mt-32 { margin-top: 32px; } .mt-40 { margin-top: 40px; } .mt-56 { margin-top: 56px; }
.mb-0 { margin-bottom: 0 !important; }
.center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }
.maxw-640 { max-width: 640px; } .maxw-720 { max-width: 720px; } .maxw-820 { max-width: 820px; }
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }

/* ---------- 24. Responsive ---------- */
@media (max-width: 1080px) {
  .g-4 { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer__top { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 940px) {
  .nav__menu, .nav__phone { display: none; }
  .nav__burger { display: flex; }
  .nav__cta .btn { display: none; }
  .nav__cta .btn--primary { display: inline-flex; height: 40px; padding: 0 18px; font-size: .86rem; }
  .nav__menu {
    display: none; position: fixed; top: var(--nav-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 2px;
    background: #fff; border-bottom: 1px solid var(--line); padding: 16px 24px 26px;
    box-shadow: var(--sh-lg); max-height: calc(100vh - var(--nav-h)); overflow-y: auto;
  }
  .nav.is-open .nav__menu { display: flex; }
  .nav__link { padding: 13px 14px; font-size: 1rem; }
  .nav__link.is-active::after { display: none; }
  .nav__link.is-active { background: var(--brand-soft); }

  .hero__inner { grid-template-columns: 1fr; gap: 44px; }
  .hero__bg::before { width: 620px; height: 620px; top: -300px; right: -320px; }
  .float-card--a { left: -8px; bottom: 24px; }
  .float-card--b { right: -8px; top: 24px; }

  .g-3 { grid-template-columns: repeat(2, 1fr); }
  .quotes { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .split--rev .split__media { order: 0; }
}
@media (max-width: 720px) {
  :root { --nav-h: 64px; }
  .container { padding: 0 18px; }
  .g-2, .g-3, .g-4 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .step { grid-template-columns: 52px 1fr; gap: 16px; }
  .step__dot { width: 40px; height: 40px; border-radius: 12px; font-size: .88rem; }
  .step__rail::before { top: 40px; }
  .cta-band__inner { flex-direction: column; align-items: flex-start; }
  .cta-band__actions { width: 100%; }
  .cta-band__actions .btn { flex: 1; }
  .footer__top { grid-template-columns: 1fr; }
  .hero__actions .btn { flex: 1 1 auto; }
  .mock__body { grid-template-columns: 48px 1fr; }
  .mock__kpis { grid-template-columns: 1fr 1fr; }
  .case__metrics { grid-template-columns: 1fr; gap: 10px; }
  .logo__mark img { height: 36px; }
  .logo__cn { font-size: .98rem; }
}
@media (max-width: 430px) {
  .nav__cta .btn--primary { display: none; }
  .logo__en { letter-spacing: .12em; }
  .cta-band__actions { flex-direction: column; }
  .cta-band__actions .btn { width: 100%; }
}