/* ==========================================================================
   Tiaotui Tech — Corporate Website Stylesheet
   跳推科技 · 企业官网样式表
   Pure static. No external dependencies. No webfonts.
   ========================================================================== */

/* ---------- 1. Design tokens ---------- */
:root {
  --navy-950: #04091A;
  --navy-900: #06122B;
  --navy-800: #0A1B3D;
  --navy-700: #0F2650;
  --navy-600: #16305F;

  --blue-700: #1246CC;
  --blue-600: #1D5BFF;
  --blue-500: #3D7BFF;
  --blue-100: #E8F0FF;

  --cyan-500: #0FB6E8;
  --cyan-400: #2BD9FF;
  --cyan-100: #E2F8FF;

  --ink: #0B1424;
  --title: #101B33;
  --body: #56637B;
  --muted: #8A94A8;

  --line: #E5EAF3;
  --line-soft: #EEF2F8;
  --bg: #FFFFFF;
  --bg-soft: #F5F8FD;
  --bg-mist: #EEF4FF;

  --radius-s: 8px;
  --radius: 14px;
  --radius-l: 22px;
  --radius-xl: 30px;

  --shadow-s: 0 2px 10px rgba(11, 26, 51, .05);
  --shadow: 0 10px 30px rgba(11, 26, 51, .07);
  --shadow-l: 0 24px 60px rgba(11, 26, 51, .12);
  --shadow-blue: 0 18px 40px rgba(29, 91, 255, .24);

  --container: 1220px;
  --header-h: 84px;

  --ease: cubic-bezier(.22, .68, .28, 1);
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC",
    "Helvetica Neue", Arial, sans-serif;
}

/* ---------- 2. Reset & base ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.78;
  color: var(--body);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.nav-open { overflow: hidden; }

img { max-width: 100%; display: block; border: 0; }

a { color: inherit; text-decoration: none; transition: color .25s var(--ease); }

h1, h2, h3, h4, h5 {
  margin: 0 0 .6em;
  color: var(--title);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -.01em;
}

h1 { font-size: clamp(2rem, 4.4vw, 3.5rem); font-weight: 800; letter-spacing: -.025em; }
h2 { font-size: clamp(1.6rem, 2.9vw, 2.5rem); letter-spacing: -.02em; }
h3 { font-size: clamp(1.15rem, 1.7vw, 1.4rem); }
h4 { font-size: 1.06rem; }

p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

ul, ol { margin: 0; padding: 0; list-style: none; }

strong { color: var(--title); font-weight: 700; }

::selection { background: var(--blue-600); color: #fff; }

/* ---------- 3. Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

.section { padding: 104px 0; position: relative; }
.section--tight { padding: 76px 0; }
.section--soft { background: var(--bg-soft); }
.section--mist { background: linear-gradient(180deg, #F5F8FD 0%, #FFFFFF 100%); }
.section--dark { background: var(--navy-900); color: #B9C6DE; }
.section--dark h2, .section--dark h3, .section--dark h4 { color: #fff; }
.section--dark p { color: #A9B8D4; }

.grid { display: grid; gap: 26px; }
.g-2 { grid-template-columns: repeat(2, 1fr); }
.g-3 { grid-template-columns: repeat(3, 1fr); }
.g-4 { grid-template-columns: repeat(4, 1fr); }
.g-2-1 { grid-template-columns: 1.05fr .95fr; }

.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

.lead { font-size: 1.075rem; line-height: 1.9; }

/* ---------- 4. Section heading ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--blue-600);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: linear-gradient(90deg, var(--blue-600), var(--cyan-400));
  border-radius: 2px;
}
.eyebrow--center { justify-content: center; }
.eyebrow--light { color: var(--cyan-400); }

.section-head { max-width: 780px; margin-bottom: 58px; }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head p { font-size: 1.045rem; color: var(--body); margin-bottom: 0; }
.section--dark .section-head p { color: #9FB0CF; }

/* ---------- 5. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  height: 52px;
  padding: 0 30px;
  border-radius: 999px;
  font-size: .96rem;
  font-weight: 600;
  letter-spacing: .01em;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease),
    background-color .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
}
.btn svg { width: 17px; height: 17px; flex: none; }

.btn--primary {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-700));
  color: #fff;
  box-shadow: var(--shadow-blue);
}
.btn--primary:hover { transform: translateY(-3px); box-shadow: 0 24px 48px rgba(29, 91, 255, .34); color: #fff; }

.btn--ghost { border-color: rgba(255, 255, 255, .34); color: #fff; }
.btn--ghost:hover { background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .6); transform: translateY(-3px); }

.btn--outline { border-color: var(--line); color: var(--title); background: #fff; }
.btn--outline:hover { border-color: var(--blue-600); color: var(--blue-600); transform: translateY(-3px); box-shadow: var(--shadow); }

.btn--sm { height: 42px; padding: 0 22px; font-size: .88rem; }
.btn--block { width: 100%; }

/* ---------- 6. Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 900;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background-color .35s var(--ease), box-shadow .35s var(--ease),
    height .35s var(--ease), border-color .35s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.is-solid {
  background: rgba(255, 255, 255, .94);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom-color: var(--line);
  box-shadow: 0 4px 24px rgba(11, 26, 51, .05);
  height: 72px;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  width: 100%;
}

/* brand */
.brand { display: flex; align-items: center; gap: 13px; flex: none; }
.brand-mark {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(140deg, var(--navy-700), var(--blue-600) 60%, var(--cyan-500));
  box-shadow: 0 8px 20px rgba(29, 91, 255, .3);
  transition: transform .35s var(--ease);
}
.brand:hover .brand-mark { transform: translateY(-2px) rotate(-4deg); }
.brand-mark svg { width: 24px; height: 24px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong {
  font-size: 1.16rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: .02em;
  transition: color .35s var(--ease);
}
.brand-text em {
  font-style: normal;
  font-size: .62rem;
  letter-spacing: .22em;
  font-weight: 600;
  color: rgba(255, 255, 255, .62);
  transition: color .35s var(--ease);
}
.site-header.is-solid .brand-text strong { color: var(--title); }
.site-header.is-solid .brand-text em { color: var(--muted); }
.site-header.is-solid .brand-mark { box-shadow: 0 8px 18px rgba(29, 91, 255, .22); }

/* nav */
.nav { display: flex; align-items: center; gap: 4px; }
.nav > a {
  position: relative;
  padding: 9px 15px;
  font-size: .95rem;
  font-weight: 500;
  color: rgba(255, 255, 255, .84);
  border-radius: 9px;
}
.nav > a::after {
  content: "";
  position: absolute;
  left: 15px; right: 15px; bottom: 3px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--blue-600), var(--cyan-400));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s var(--ease);
}
.nav > a:hover { color: #fff; }
.nav > a:hover::after, .nav > a.is-active::after { transform: scaleX(1); }
.nav > a.is-active { color: #fff; font-weight: 600; }
.site-header.is-solid .nav > a { color: var(--body); }
.site-header.is-solid .nav > a:hover,
.site-header.is-solid .nav > a.is-active { color: var(--blue-600); }

.header-actions { display: flex; align-items: center; gap: 12px; flex: none; }

.lang-switch {
  display: inline-flex;
  align-items: center;
  height: 38px;
  padding: 0 4px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .3);
  transition: border-color .35s var(--ease);
}
.site-header.is-solid .lang-switch { border-color: var(--line); }
.lang-switch a {
  padding: 0 12px;
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: rgba(255, 255, 255, .7);
  border-radius: 999px;
  line-height: 30px;
}
.lang-switch a.is-on { background: rgba(255, 255, 255, .16); color: #fff; }
.lang-switch a:hover { color: #fff; }
.site-header.is-solid .lang-switch a { color: var(--muted); }
.site-header.is-solid .lang-switch a.is-on { background: var(--blue-100); color: var(--blue-600); }
.site-header.is-solid .lang-switch a:hover { color: var(--blue-600); }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid rgba(255, 255, 255, .3);
  border-radius: 12px;
  background: transparent;
  cursor: pointer;
  padding: 0;
  place-items: center;
}
.site-header.is-solid .nav-toggle { border-color: var(--line); }
.nav-toggle span {
  display: block;
  width: 19px; height: 2px;
  margin: 3px auto;
  background: #fff;
  border-radius: 2px;
  transition: transform .3s var(--ease), opacity .3s var(--ease), background-color .35s var(--ease);
}
.site-header.is-solid .nav-toggle span { background: var(--title); }
body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* ---------- 7. Hero (home) ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 720px;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 70px) 0 100px;
  background: var(--navy-950);
  overflow: hidden;
  color: #fff;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background-image: url("../img/hero.jpg");
  background-size: cover;
  background-position: center;
  opacity: .58;
  transform: scale(1.06);
  animation: heroZoom 22s var(--ease) forwards;
}
@keyframes heroZoom { from { transform: scale(1.14); } to { transform: scale(1.02); } }

.hero__veil {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(1100px 620px at 12% 18%, rgba(29, 91, 255, .42), transparent 62%),
    radial-gradient(900px 520px at 86% 88%, rgba(15, 182, 232, .3), transparent 66%),
    linear-gradient(105deg, rgba(4, 9, 26, .95) 0%, rgba(6, 18, 43, .86) 42%, rgba(6, 18, 43, .55) 100%);
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: radial-gradient(900px 620px at 60% 40%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(900px 620px at 60% 40%, #000 30%, transparent 78%);
}
.hero .container { position: relative; z-index: 2; }

.hero__inner { max-width: 830px; }
.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .16);
  font-size: .82rem;
  letter-spacing: .06em;
  color: #CFE0FF;
  backdrop-filter: blur(8px);
  margin-bottom: 30px;
}
.hero__tag i {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--cyan-400);
  box-shadow: 0 0 0 4px rgba(43, 217, 255, .2);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(43, 217, 255, .22); }
  50% { box-shadow: 0 0 0 9px rgba(43, 217, 255, .04); }
}

.hero h1 {
  color: #fff;
  font-size: clamp(2.15rem, 5vw, 4rem);
  line-height: 1.14;
  letter-spacing: -.03em;
  margin-bottom: 26px;
}
.hero h1 .grad {
  background: linear-gradient(100deg, #7FB2FF 0%, var(--cyan-400) 55%, #A8E7FF 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.hero__desc {
  font-size: clamp(1rem, 1.4vw, 1.14rem);
  line-height: 1.95;
  color: #B4C4E0;
  max-width: 660px;
  margin-bottom: 42px;
}
.hero__cta { display: flex; flex-wrap: wrap; gap: 15px; margin-bottom: 68px; }

.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  border-top: 1px solid rgba(255, 255, 255, .13);
  padding-top: 34px;
  max-width: 900px;
}
.hero__stat { padding-right: 18px; }
.hero__stat b {
  display: block;
  font-size: clamp(1.5rem, 2.4vw, 2.1rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -.02em;
  line-height: 1.15;
}
.hero__stat b i { font-style: normal; font-size: .58em; color: var(--cyan-400); margin-left: 2px; }
.hero__stat span { font-size: .84rem; color: #8FA1C2; letter-spacing: .02em; }

.hero__scroll {
  position: absolute;
  left: 50%; bottom: 30px;
  transform: translateX(-50%);
  z-index: 3;
  display: flex; flex-direction: column; align-items: center; gap: 9px;
  font-size: .7rem; letter-spacing: .22em; color: rgba(255, 255, 255, .5);
}
.hero__scroll i {
  width: 1px; height: 46px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .5), transparent);
  animation: scrollLine 2.2s ease-in-out infinite;
}
@keyframes scrollLine {
  0% { transform: scaleY(.2); transform-origin: top; opacity: 0; }
  40% { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(1); transform-origin: bottom; opacity: 0; }
}

/* ---------- 8. Page hero (inner pages) ---------- */
.page-hero {
  position: relative;
  padding: calc(var(--header-h) + 96px) 0 92px;
  background: var(--navy-900);
  color: #fff;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(820px 420px at 78% 12%, rgba(29, 91, 255, .4), transparent 66%),
    radial-gradient(620px 380px at 8% 96%, rgba(15, 182, 232, .26), transparent 68%);
}
.page-hero::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(900px 520px at 70% 30%, #000 20%, transparent 76%);
  -webkit-mask-image: radial-gradient(900px 520px at 70% 30%, #000 20%, transparent 76%);
}
.page-hero .container { position: relative; z-index: 2; max-width: var(--container); }
.page-hero h1 { color: #fff; margin-bottom: 18px; }
.page-hero p {
  color: #A9BBD8;
  max-width: 680px;
  font-size: 1.04rem;
  margin-bottom: 0;
}
.page-hero--media { padding-bottom: 110px; }
.page-hero--media .page-hero__media {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: .26;
  z-index: 1;
}

.breadcrumb {
  display: flex; align-items: center; gap: 9px;
  font-size: .82rem; color: #7E92B4;
  margin-top: 26px;
}
.breadcrumb a:hover { color: var(--cyan-400); }
.breadcrumb span { color: #fff; }
.breadcrumb i { opacity: .5; font-style: normal; }

/* ---------- 9. Cards ---------- */
.card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  padding: 38px 34px;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
  overflow: hidden;
}
.card::after {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-600), var(--cyan-400));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .45s var(--ease);
}
.card:hover { transform: translateY(-7px); box-shadow: var(--shadow-l); border-color: transparent; }
.card:hover::after { transform: scaleX(1); }
.card h3 { margin-bottom: 12px; }
.card p { color: var(--body); font-size: .96rem; margin-bottom: 0; }

.card__icon {
  width: 58px; height: 58px;
  border-radius: 16px;
  display: grid; place-items: center;
  background: var(--blue-100);
  color: var(--blue-600);
  margin-bottom: 24px;
  transition: background .4s var(--ease), color .4s var(--ease), transform .4s var(--ease);
}
.card__icon svg { width: 27px; height: 27px; }
.card:hover .card__icon {
  background: linear-gradient(140deg, var(--blue-600), var(--cyan-500));
  color: #fff;
  transform: translateY(-2px) scale(1.05);
}
.card__num {
  position: absolute;
  right: 26px; top: 22px;
  font-size: 2.9rem;
  font-weight: 800;
  letter-spacing: -.04em;
  color: var(--line-soft);
  line-height: 1;
  pointer-events: none;
  transition: color .4s var(--ease);
}
.card:hover .card__num { color: var(--blue-100); }

.card--dark {
  background: rgba(255, 255, 255, .045);
  border-color: rgba(255, 255, 255, .12);
}
.card--dark h3 { color: #fff; }
.card--dark p { color: #99AAC9; }
.card--dark:hover { background: rgba(255, 255, 255, .075); border-color: rgba(43, 217, 255, .4); }
.card--dark .card__icon { background: rgba(43, 217, 255, .13); color: var(--cyan-400); }

/* product / media card */
.pcard {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .45s var(--ease), box-shadow .45s var(--ease), border-color .45s var(--ease);
}
.pcard:hover { transform: translateY(-8px); box-shadow: var(--shadow-l); border-color: transparent; }
.pcard__media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--navy-800);
}
.pcard__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .8s var(--ease);
}
.pcard:hover .pcard__media img { transform: scale(1.07); }
.pcard__media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(6, 18, 43, 0) 42%, rgba(6, 18, 43, .62) 100%);
}
.pcard__badge {
  position: absolute;
  left: 20px; bottom: 18px;
  z-index: 2;
  padding: 5px 13px;
  border-radius: 999px;
  background: rgba(43, 217, 255, .16);
  border: 1px solid rgba(43, 217, 255, .45);
  color: #CFF3FF;
  font-size: .72rem;
  letter-spacing: .1em;
  font-weight: 600;
  backdrop-filter: blur(6px);
}
.pcard__body { padding: 30px 30px 34px; flex: 1; display: flex; flex-direction: column; }
.pcard__body h3 { margin-bottom: 12px; }
.pcard__body p { font-size: .95rem; margin-bottom: 20px; }
.pcard__list { margin-top: auto; display: flex; flex-wrap: wrap; gap: 8px; }
.pcard__list li {
  font-size: .8rem;
  color: var(--blue-700);
  background: var(--blue-100);
  border-radius: 6px;
  padding: 4px 11px;
}

/* ---------- 10. Split / feature blocks ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.split--rev .split__media { order: 2; }
.split--form { grid-template-columns: 0.9fr 1.1fr; align-items: start; }
.split__media {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-l);
  aspect-ratio: 4 / 3;
}
.split__media img { width: 100%; height: 100%; object-fit: cover; }
.split__media--plain { box-shadow: none; border-radius: 0; }
.split__media::before {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .14);
  z-index: 2;
  pointer-events: none;
}

.checks { display: grid; gap: 15px; margin-top: 30px; }
.checks li {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  font-size: .97rem;
  color: var(--body);
}
.checks li svg {
  width: 21px; height: 21px;
  flex: none;
  margin-top: 3px;
  color: var(--blue-600);
}
.checks li b { color: var(--title); }

/* stat strip */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow-s);
}
.stats > div {
  padding: 36px 26px;
  text-align: center;
  border-right: 1px solid var(--line);
}
.stats > div:last-child { border-right: 0; }
.stats b {
  display: block;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--blue-600);
  letter-spacing: -.03em;
  line-height: 1.1;
}
.stats b i { font-style: normal; font-size: .56em; }
.stats span { font-size: .88rem; color: var(--muted); }

/* ---------- 11. Timeline ---------- */
.timeline { position: relative; padding-left: 34px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 7px; top: 8px; bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--blue-600), var(--cyan-400), transparent);
  border-radius: 2px;
}
.timeline__item { position: relative; padding-bottom: 40px; }
.timeline__item:last-child { padding-bottom: 0; }
.timeline__item::before {
  content: "";
  position: absolute;
  left: -34px; top: 8px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--blue-600);
  box-shadow: 0 0 0 5px rgba(29, 91, 255, .1);
}
.timeline__year {
  display: inline-block;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--blue-600);
  margin-bottom: 8px;
}
.timeline__item h4 { margin-bottom: 6px; }
.timeline__item p { font-size: .94rem; margin-bottom: 0; }

/* ---------- 12. Process ---------- */
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.process__step {
  position: relative;
  padding: 0 26px 0 0;
}
.process__step::after {
  content: "";
  position: absolute;
  right: 10px; top: 26px;
  width: calc(100% - 60px);
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--line) 0 7px, transparent 7px 14px);
}
.process__step:last-child::after { display: none; }
.process__dot {
  width: 54px; height: 54px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--blue-600);
  font-weight: 800;
  font-size: 1.05rem;
  margin-bottom: 22px;
  position: relative;
  z-index: 2;
  transition: all .4s var(--ease);
}
.process__step:hover .process__dot {
  background: linear-gradient(140deg, var(--blue-600), var(--cyan-500));
  color: #fff;
  border-color: transparent;
  transform: translateY(-4px);
  box-shadow: var(--shadow-blue);
}
.process__step h4 { margin-bottom: 8px; }
.process__step p { font-size: .92rem; }

/* ---------- 13. News ---------- */
.ncard {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  overflow: hidden;
  height: 100%;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
}
.ncard:hover { transform: translateY(-6px); box-shadow: var(--shadow-l); border-color: transparent; }
.ncard__media { aspect-ratio: 16 / 9; overflow: hidden; background: var(--navy-800); }
.ncard__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.ncard:hover .ncard__media img { transform: scale(1.06); }
.ncard__body { padding: 28px 28px 30px; display: flex; flex-direction: column; flex: 1; }
.ncard__meta {
  display: flex; align-items: center; gap: 12px;
  font-size: .79rem; color: var(--muted); margin-bottom: 13px;
}
.ncard__meta b {
  color: var(--blue-600);
  background: var(--blue-100);
  padding: 3px 10px;
  border-radius: 5px;
  font-weight: 600;
}
.ncard h3 { font-size: 1.09rem; margin-bottom: 10px; }
.ncard:hover h3 { color: var(--blue-600); }
.ncard p { font-size: .93rem; margin-bottom: 20px; }
.ncard__more {
  margin-top: auto;
  font-size: .88rem;
  font-weight: 600;
  color: var(--blue-600);
  display: inline-flex; align-items: center; gap: 7px;
}
.ncard__more svg { width: 15px; height: 15px; transition: transform .3s var(--ease); }
.ncard:hover .ncard__more svg { transform: translateX(4px); }

.nlist { display: grid; }
.nlist__item {
  display: grid;
  grid-template-columns: 118px 1fr auto;
  gap: 30px;
  align-items: center;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
  transition: background-color .3s var(--ease);
}
.nlist__item:hover { background: var(--bg-soft); }
.nlist__date { text-align: center; }
.nlist__date b {
  display: block;
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--title);
  line-height: 1;
  letter-spacing: -.03em;
}
.nlist__date span { font-size: .82rem; color: var(--muted); }
.nlist__item h3 { font-size: 1.12rem; margin-bottom: 7px; }
.nlist__item:hover h3 { color: var(--blue-600); }
.nlist__item p { font-size: .93rem; margin-bottom: 0; }
.nlist__item > div { min-width: 0; }
.nlist__tag {
  justify-self: end;
  align-self: center;
  font-size: .78rem; color: var(--blue-700);
  background: var(--blue-100); border-radius: 999px;
  padding: 5px 14px; white-space: nowrap;
}

/* ---------- 14. Contact ---------- */
.contact-info { display: grid; gap: 20px; }
.cinfo {
  display: flex;
  gap: 18px;
  padding: 26px 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color .35s var(--ease), box-shadow .35s var(--ease), transform .35s var(--ease);
}
.cinfo:hover { border-color: var(--blue-600); box-shadow: var(--shadow); transform: translateY(-3px); }
.cinfo__icon {
  width: 48px; height: 48px; flex: none;
  border-radius: 13px;
  display: grid; place-items: center;
  background: var(--blue-100); color: var(--blue-600);
}
.cinfo__icon svg { width: 22px; height: 22px; }
.cinfo h4 { margin-bottom: 5px; font-size: .98rem; }
.cinfo p { font-size: .95rem; margin-bottom: 0; word-break: break-word; }
.cinfo a:hover { color: var(--blue-600); }

.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: 600; color: var(--title); }
.field label em { color: #E5484D; font-style: normal; }
.field input,
.field select,
.field textarea {
  font-family: inherit;
  font-size: .95rem;
  color: var(--title);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  padding: 13px 16px;
  outline: none;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
  width: 100%;
}
.field textarea { min-height: 132px; resize: vertical; line-height: 1.7; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--blue-600);
  box-shadow: 0 0 0 4px rgba(29, 91, 255, .1);
}
.field input::placeholder, .field textarea::placeholder { color: #AEB7C6; }
.form__note { font-size: .84rem; color: var(--muted); }
.form__msg {
  display: none;
  padding: 14px 18px;
  border-radius: var(--radius-s);
  font-size: .9rem;
  background: var(--blue-100);
  color: var(--blue-700);
  border: 1px solid rgba(29, 91, 255, .22);
}
.form__msg.is-on { display: block; }

/* ---------- 15. CTA banner ---------- */
.cta {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  padding: 76px 68px;
  background: linear-gradient(115deg, var(--navy-900) 0%, var(--navy-700) 52%, var(--blue-700) 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 44px;
  flex-wrap: wrap;
}
.cta::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(700px 400px at 80% 30%, #000, transparent 72%);
  -webkit-mask-image: radial-gradient(700px 400px at 80% 30%, #000, transparent 72%);
}
.cta::after {
  content: "";
  position: absolute;
  width: 420px; height: 420px;
  right: -110px; top: -150px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(43, 217, 255, .34), transparent 68%);
}
.cta > * { position: relative; z-index: 2; }
.cta h2 { color: #fff; margin-bottom: 12px; max-width: 620px; }
.cta p { color: #B7C7E2; margin-bottom: 0; max-width: 560px; }
.cta__actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- 16. Footer ---------- */
.site-footer {
  background: var(--navy-950);
  color: #8FA1C2;
  padding: 84px 0 0;
  font-size: .94rem;
  position: relative;
  overflow: hidden;
}
.site-footer::before {
  content: "";
  position: absolute;
  left: 50%; top: -180px;
  width: 900px; height: 420px;
  transform: translateX(-50%);
  background: radial-gradient(ellipse, rgba(29, 91, 255, .3), transparent 68%);
  pointer-events: none;
}
.site-footer .container { position: relative; z-index: 2; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: 48px;
  padding-bottom: 62px;
}
.footer-brand .brand { margin-bottom: 24px; }
.footer-brand .brand-text strong { color: #fff; }
.footer-brand .brand-text em { color: rgba(255, 255, 255, .5); }
.footer-brand p { color: #7F91B2; font-size: .93rem; line-height: 1.85; }
.footer-social { display: flex; gap: 11px; margin-top: 26px; }
.footer-social a {
  width: 40px; height: 40px;
  border-radius: 11px;
  display: grid; place-items: center;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .1);
  color: #A9BBD8;
  transition: all .3s var(--ease);
}
.footer-social a:hover {
  background: var(--blue-600);
  border-color: transparent;
  color: #fff;
  transform: translateY(-3px);
}
.footer-social svg { width: 18px; height: 18px; }

.footer-col h4 {
  color: #fff;
  font-size: .98rem;
  margin-bottom: 24px;
  letter-spacing: .02em;
}
.footer-col ul { display: grid; gap: 13px; }
.footer-col a { color: #8FA1C2; font-size: .93rem; }
.footer-col a:hover { color: var(--cyan-400); }
.footer-contact { display: grid; gap: 16px; }
.footer-contact li {
  display: flex;
  gap: 12px;
  font-size: .92rem;
  line-height: 1.7;
  color: #8FA1C2;
}
.footer-contact svg { width: 17px; height: 17px; flex: none; margin-top: 4px; color: var(--cyan-400); }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 26px 0 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  font-size: .85rem;
  color: #6C7E9E;
}
.footer-bottom a:hover { color: var(--cyan-400); }
.footer-bottom nav { display: flex; gap: 22px; flex-wrap: wrap; }

/* ---------- 17. Back to top ---------- */
.to-top {
  position: fixed;
  right: 26px; bottom: 26px;
  z-index: 800;
  width: 48px; height: 48px;
  border-radius: 14px;
  display: grid; place-items: center;
  background: var(--blue-600);
  color: #fff;
  border: 0;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  box-shadow: var(--shadow-blue);
  transition: all .35s var(--ease);
}
.to-top.is-on { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--blue-700); transform: translateY(-3px); }
.to-top svg { width: 19px; height: 19px; }

/* ---------- 18. Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 19. Utilities ---------- */
.pill-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.pill {
  font-size: .85rem;
  color: var(--blue-700);
  background: var(--blue-100);
  border-radius: 999px;
  padding: 7px 16px;
  font-weight: 500;
}
.pill--dark {
  color: #BFD4F7;
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .12);
}
.divider { height: 1px; background: var(--line); border: 0; margin: 0; }
.tag-line {
  display: flex; align-items: center; gap: 14px;
  font-size: .84rem; letter-spacing: .16em; color: var(--muted);
  text-transform: uppercase; margin-bottom: 30px;
}
.tag-line::after { content: ""; flex: 1; height: 1px; background: var(--line); }

/* ---------- 20. Responsive ---------- */
@media (max-width: 1080px) {
  .container { padding: 0 22px; }
  .split { grid-template-columns: 1fr; gap: 44px; }
  .split--rev .split__media { order: 0; }
  .g-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .process { grid-template-columns: repeat(2, 1fr); gap: 40px 26px; }
  .process__step::after { display: none; }
  .section { padding: 84px 0; }
  .cta { padding: 56px 40px; }
}

@media (max-width: 960px) {
  .nav,
  .header-actions .btn { display: none; }
  .nav-toggle { display: grid; }

  .nav {
    position: fixed;
    inset: 0 0 auto;
    top: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: calc(var(--header-h) + 20px) 26px 34px;
    background: rgba(6, 18, 43, .98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transform: translateY(-102%);
    transition: transform .5s var(--ease);
    box-shadow: 0 30px 60px rgba(0, 0, 0, .3);
    max-height: 100vh;
    overflow-y: auto;
  }
  body.nav-open .nav { transform: none; }
  .nav > a {
    color: #D5E1F5 !important;
    padding: 16px 4px;
    font-size: 1.06rem;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
    border-radius: 0;
  }
  .nav > a::after { display: none; }
  .nav > a.is-active { color: var(--cyan-400) !important; }

  .hero { min-height: auto; padding: calc(var(--header-h) + 56px) 0 84px; }
  .hero__stats { grid-template-columns: repeat(2, 1fr); gap: 26px 8px; }
  .hero__scroll { display: none; }
  .page-hero { padding: calc(var(--header-h) + 62px) 0 68px; }
}

@media (max-width: 720px) {
  body { font-size: 15.5px; }
  .section { padding: 66px 0; }
  .section--tight { padding: 54px 0; }
  .section-head { margin-bottom: 40px; }
  .g-2, .g-3, .g-4 { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stats > div { border-right: 0; border-bottom: 1px solid var(--line); padding: 28px 16px; }
  .stats > div:nth-child(odd) { border-right: 1px solid var(--line); }
  .stats > div:nth-last-child(-n+2) { border-bottom: 0; }
  .process { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 38px; padding-bottom: 44px; }
  .cta { padding: 44px 26px; border-radius: var(--radius-l); }
  .cta h2 { font-size: 1.5rem; }
  .card { padding: 30px 26px; }
  .nlist__item { grid-template-columns: 1fr; gap: 12px; padding: 24px 0; }
  .nlist__date { text-align: left; }
  .nlist__date b { display: inline; font-size: 1rem; margin-right: 10px; }
  .btn { height: 48px; padding: 0 24px; font-size: .92rem; }
  .hero__cta { gap: 11px; }
  .hero__cta .btn { flex: 1 1 auto; }
  .site-footer { padding-top: 60px; }
  .to-top { right: 16px; bottom: 16px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* ---------- 21. Print ---------- */
@media print {
  .site-header, .to-top, .cta, .hero__scroll, .site-footer { display: none; }
  body { color: #000; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- 22. Business scope list & tables ---------- */
.scope-list {
  list-style: none;
  counter-reset: sc;
  display: grid;
  gap: 12px;
  margin-top: 6px;
}
.scope-list li {
  counter-increment: sc;
  position: relative;
  padding-left: 34px;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--body);
}
.scope-list li::before {
  content: counter(sc, decimal-leading-zero);
  position: absolute;
  left: 0; top: 2px;
  width: 22px; height: 22px;
  border-radius: 6px;
  background: var(--blue-100);
  color: var(--blue-600);
  font-size: .68rem;
  font-weight: 700;
  display: grid;
  place-items: center;
  line-height: 1;
}
main table th,
main table td {
  text-align: left;
  padding: 19px 32px;
  border-bottom: 1px solid var(--line);
  font-size: .96rem;
  font-weight: 400;
  vertical-align: top;
  line-height: 1.75;
}
main table th {
  width: 210px;
  color: var(--title);
  font-weight: 600;
  background: var(--bg-soft);
  white-space: nowrap;
}
main table tr:last-child th,
main table tr:last-child td { border-bottom: 0; }
main table td a { color: var(--blue-600); }
@media (max-width: 720px) {
  main table th { width: 110px; padding: 15px 16px; font-size: .88rem; white-space: normal; }
  main table td { padding: 15px 16px; font-size: .9rem; }
}
