/* ==========================================================================
   YuanHang Enterprise Group — corporate site stylesheet
   1. Tokens  2. Base  3. Header/Mega  4. Hero  5. Sections  6. Components
   7. Footer  8. Utilities  9. Responsive
   ========================================================================== */

/* Web font: Open Sans (variable, latin subset) — SIL Open Font License 1.1,
   see assets/fonts/OFL.txt. Self-hosted so every visitor sees the same Latin/digits. */
@font-face {
  font-family: "Open Sans";
  src: url("../fonts/opensans-latin.woff2") format("woff2");
  font-weight: 300 700;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}

/* 1. Tokens ---------------------------------------------------------------- */
:root {
  --blue: #00519d;
  --blue-dk: #003b75;
  --teal: #00a9c3;
  --teal-lt: #5bc8d8;
  --ink: #08192b;
  --ink-2: #0d2135;
  --ink-3: #14293f;
  --paper: #ffffff;
  --mist: #f2f5f8;
  --mist-2: #e8edf2;
  --txt: #0a1a29;
  --txt-2: #52657a;
  --txt-3: #8a99a8;
  --line: rgba(8, 25, 43, 0.12);
  --line-soft: rgba(8, 25, 43, 0.07);
  --line-inv: rgba(255, 255, 255, 0.16);
  --radius: 2px;
  --radius-lg: 4px;
  --shell: 1280px;
  --gutter: clamp(20px, 4vw, 48px);
  --sect: clamp(76px, 9vw, 136px);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --font: "Open Sans", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB",
    "Helvetica Neue", Arial, sans-serif;
  --font-num: "Open Sans", "Segoe UI", "Helvetica Neue", Arial,
    "Microsoft YaHei", sans-serif;
}

/* 2. Base ------------------------------------------------------------------ */
*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--txt);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -0.015em; text-wrap: balance; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

::selection { background: var(--teal); color: #fff; }

:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

.skip {
  position: absolute; left: 16px; top: -60px; z-index: 999;
  background: var(--ink); color: #fff; padding: 10px 18px; border-radius: 2px;
}
.skip:focus { top: 12px; }

.shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* 3. Header + Mega menu ---------------------------------------------------- */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 90;
  transition: background 0.35s var(--ease), box-shadow 0.35s var(--ease),
    border-color 0.35s var(--ease);
  border-bottom: 1px solid transparent;
}
.header__inner {
  display: flex; align-items: center; gap: 40px;
  height: 88px; transition: height 0.35s var(--ease);
}
.header__brand { display: flex; align-items: center; flex-shrink: 0; }
.header__brand img { height: 54px; width: auto; transition: height 0.35s var(--ease); }
.header__brand .logo-white { display: block; }
.header__brand .logo-color { display: none; }

.nav { margin-left: auto; display: flex; align-items: center; gap: 4px; position: static; }
.nav__item { position: static; }
.nav__link {
  display: flex; align-items: center; gap: 6px;
  padding: 10px 15px; font-size: 15px; font-weight: 500; color: #fff;
  letter-spacing: 0.01em; position: relative; white-space: nowrap;
  transition: color 0.25s var(--ease);
}
.nav__link::after {
  content: ""; position: absolute; left: 15px; right: 15px; bottom: 4px; height: 2px;
  background: var(--teal); transform: scaleX(0); transform-origin: 0 50%;
  transition: transform 0.3s var(--ease);
}
.nav__link:hover::after,
.nav__link[aria-expanded="true"]::after,
.nav__item.is-active > .nav__link::after { transform: scaleX(1); }
.nav__link .chev { width: 9px; height: 9px; opacity: 0.7; }
.header__actions { display: flex; align-items: center; gap: 14px; }
/* language switch — a clear segmented pill, readable on both hero and solid header */
.lang {
  display: flex; align-items: center; gap: 2px; flex-shrink: 0;
  padding: 3px; border-radius: 999px; color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.46);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(6px);
  font-size: 13px; letter-spacing: 0.03em;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.lang__globe { width: 15px; height: 15px; flex: 0 0 15px; margin: 0 7px 0 8px; opacity: 0.9; }
.lang a {
  padding: 6px 13px; border-radius: 999px; color: inherit; line-height: 1;
  opacity: 0.74; font-weight: 500; white-space: nowrap;
  transition: background 0.22s var(--ease), color 0.22s var(--ease), opacity 0.22s;
}
.lang a:hover { opacity: 1; background: rgba(255, 255, 255, 0.2); }
.lang a.is-on { opacity: 1; background: #fff; color: var(--ink); font-weight: 600; }

/* header states */
.header.is-solid {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom-color: var(--line-soft);
  box-shadow: 0 1px 24px rgba(8, 25, 43, 0.06);
}
.header.is-solid .header__inner { height: 72px; }
.header.is-solid .header__brand img { height: 44px; }
.header.is-solid .header__brand .logo-white { display: none; }
.header.is-solid .header__brand .logo-color { display: block; }
.header.is-solid .nav__link { color: var(--txt); }
.header.is-solid .lang { color: var(--txt); border-color: rgba(8, 25, 43, 0.16); background: rgba(8, 25, 43, 0.05); }
.header.is-solid .lang a:hover { background: rgba(8, 25, 43, 0.1); }
.header.is-solid .lang a.is-on { background: var(--blue); color: #fff; }

/* keep the header on one line while the language pill stays visible */
@media (max-width: 1320px) and (min-width: 1025px) {
  .header__inner { gap: 22px; }
  .nav__link { padding-left: 10px; padding-right: 10px; }
  .nav__link::after { left: 10px; right: 10px; }
  .header__actions { gap: 11px; }
}
@media (max-width: 1160px) and (min-width: 1025px) {
  .lang__globe { display: none; }
  .lang a { padding: 6px 10px; font-size: 12.5px; }
  .nav__link { padding-left: 8px; padding-right: 8px; font-size: 14px; }
  .nav__link::after { left: 8px; right: 8px; }
}
.header.is-solid .btn--ghost { border-color: rgba(8, 25, 43, 0.28); color: var(--txt); }

/* mega menu */
.mega {
  position: absolute; left: 0; right: 0; top: 100%;
  z-index: 5;
  background: #fff; border-top: 1px solid var(--line-soft);
  box-shadow: 0 24px 48px rgba(8, 25, 43, 0.12);
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity 0.28s var(--ease), transform 0.28s var(--ease), visibility 0.28s;
  pointer-events: none;
}
.nav__item.is-open .mega { opacity: 1; visibility: visible; transform: none; pointer-events: auto; }
.mega__grid {
  display: grid; grid-template-columns: 1fr 1fr 300px; gap: 0 56px;
  padding: 44px 0 48px;
}
.mega__col h4 {
  font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--txt-3); font-weight: 600; margin-bottom: 18px;
}
.mega__link {
  display: block; padding: 9px 0; font-size: 15px; color: var(--txt);
  border-bottom: 1px solid transparent; transition: color 0.2s, padding-left 0.25s var(--ease);
}
.mega__link span { display: block; font-size: 12.5px; color: var(--txt-3); line-height: 1.5; margin-top: 2px; }
.mega__link:hover { color: var(--blue); padding-left: 6px; }
.mega__link--all { margin-top: 14px; padding-top: 16px; border-top: 1px solid var(--line); font-weight: 600; color: var(--blue); display: flex; align-items: center; gap: 8px; }
.mega__link--all svg { width: 14px; height: 14px; }
.mega__promo {
  background: var(--ink); color: #fff; padding: 28px; display: flex;
  flex-direction: column; justify-content: space-between; min-height: 240px;
  position: relative; overflow: hidden;
}
.mega__promo img.mega__mark {
  position: absolute; right: -16px; bottom: -18px; width: 152px; height: auto;
  opacity: 0.11; pointer-events: none;
}
.mega__promo > * { position: relative; }
.mega__promo h5 { font-size: 18px; margin: 0 0 8px; font-weight: 600; }
.mega__promo p { font-size: 13px; color: rgba(255, 255, 255, 0.72); line-height: 1.7; }
.mega__promo .arrow-link { color: var(--teal-lt); font-size: 13px; margin-top: 20px; display: inline-block; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 26px; font-size: 14.5px; font-weight: 600; letter-spacing: 0.02em;
  border: 1px solid transparent; border-radius: var(--radius); cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease),
    border-color 0.25s var(--ease), transform 0.25s var(--ease);
  white-space: nowrap;
}
.btn svg { width: 15px; height: 15px; transition: transform 0.3s var(--ease); }
.btn:hover svg { transform: translateX(4px); }
.btn--primary { background: var(--teal); color: #fff; }
.btn--primary:hover { background: #0093aa; }
.btn--solid { background: var(--blue); color: #fff; }
.btn--solid:hover { background: var(--blue-dk); }
.btn--ghost { border-color: rgba(255, 255, 255, 0.45); color: #fff; }
.btn--ghost:hover { background: rgba(255, 255, 255, 0.12); border-color: #fff; }
.btn--line { border-color: rgba(8, 25, 43, 0.2); color: var(--txt); }
.btn--line:hover { border-color: var(--ink); background: var(--ink); color: #fff; }
.btn--sm { padding: 11px 20px; font-size: 13.5px; }

.header__cta { padding: 11px 20px; font-size: 13.5px; }

/* burger */
.burger {
  display: none; width: 44px; height: 44px; align-items: center; justify-content: center;
  background: none; border: 1px solid rgba(255, 255, 255, 0.35); border-radius: 2px; cursor: pointer;
}
.burger span { display: block; width: 18px; height: 1.5px; background: #fff; position: relative; }
.burger span::before, .burger span::after {
  content: ""; position: absolute; left: 0; width: 18px; height: 1.5px; background: #fff;
  transition: transform 0.3s var(--ease);
}
.burger span::before { top: -6px; }
.burger span::after { top: 6px; }
.is-solid .burger { border-color: rgba(8, 25, 43, 0.2); }
.is-solid .burger span, .is-solid .burger span::before, .is-solid .burger span::after { background: var(--txt); }

/* mobile drawer */
.drawer {
  position: fixed; inset: 0; z-index: 95; background: var(--ink);
  padding: 24px var(--gutter) 40px; display: none; flex-direction: column;
  overflow-y: auto; transform: translateY(-100%); transition: transform 0.4s var(--ease);
}
.drawer.is-open { transform: none; }
.drawer__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; }
.drawer__top img { height: 34px; }
.drawer__close { background: none; border: 0; color: #fff; font-size: 26px; line-height: 1; cursor: pointer; }
.drawer__group { border-top: 1px solid var(--line-inv); }
.drawer__link {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 0; color: #fff; font-size: 17px; border-bottom: 1px solid var(--line-inv);
}
.drawer__sub { padding: 6px 0 14px; }
.drawer__sub a { display: block; padding: 9px 0 9px 14px; color: rgba(255, 255, 255, 0.66); font-size: 14px; }
.drawer__foot { margin-top: auto; padding-top: 32px; }
.drawer__lang {
  display: inline-flex; align-items: center; gap: 9px; margin-top: 14px;
  padding: 10px 18px; border-radius: 999px; font-size: 14px; font-weight: 500;
  color: #fff; border: 1px solid rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.08);
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease);
}
.drawer__lang svg { width: 17px; height: 17px; flex: 0 0 17px; opacity: 0.9; }
.drawer__lang:hover { background: rgba(255, 255, 255, 0.16); border-color: rgba(255, 255, 255, 0.7); }

/* 4. Hero ------------------------------------------------------------------ */
.hero {
  position: relative; min-height: clamp(600px, 94vh, 920px);
  display: flex; flex-direction: column; justify-content: flex-end;
  color: #fff; overflow: hidden; isolation: isolate;
}
.hero__media { position: absolute; inset: 0; z-index: -2; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.02); }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(90deg, rgba(6, 20, 34, 0.78) 0%, rgba(6, 20, 34, 0.56) 38%, rgba(6, 20, 34, 0.24) 68%, rgba(6, 20, 34, 0.1) 100%),
    linear-gradient(180deg, rgba(6, 20, 34, 0.66) 0%, rgba(6, 20, 34, 0.32) 34%, rgba(6, 20, 34, 0.56) 72%, rgba(6, 20, 34, 0.86) 100%);
}
.hero__body { padding-top: 140px; }
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 12px; letter-spacing: 0.22em; text-transform: uppercase;
  color: #79e2f1; font-weight: 600; margin-bottom: 26px;
}
.hero__eyebrow::before { content: ""; width: 36px; height: 1px; background: var(--teal-lt); }
.hero h1 {
  font-size: clamp(34px, 5.1vw, 68px); line-height: 1.1; letter-spacing: -0.025em;
  font-weight: 600; max-width: 17em; margin-bottom: 26px;
  text-shadow: 0 2px 34px rgba(0, 0, 0, 0.35);
}
.hero__lead {
  font-size: clamp(15px, 1.25vw, 18px); line-height: 1.85;
  color: rgba(255, 255, 255, 0.88); max-width: 38em; margin-bottom: 38px;
}
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; }
.hero__stats {
  margin-top: clamp(56px, 8vw, 96px);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  display: grid; grid-template-columns: repeat(4, 1fr);
}
.hero__stat { padding: 28px 24px 36px 0; }
.hero__stat + .hero__stat { padding-left: 32px; border-left: 1px solid rgba(255, 255, 255, 0.12); }
.hero__stat b {
  display: block; font-family: var(--font-num); font-variant-numeric: tabular-nums;
  font-size: clamp(40px, 4.8vw, 70px); white-space: nowrap;
  font-weight: 600; letter-spacing: -0.03em; line-height: 1.08;
}
.hero__stat b em { font-style: normal; font-size: 0.4em; margin-left: 6px; color: var(--teal-lt); font-weight: 500; letter-spacing: 0; }
.hero__stat span { display: block; font-size: 13.5px; color: rgba(255, 255, 255, 0.68); margin-top: 10px; letter-spacing: 0.02em; }

/* page header (sub pages) */
.pagehead {
  position: relative; color: #fff; padding: clamp(150px, 17vw, 210px) 0 clamp(52px, 6vw, 80px);
  overflow: hidden; isolation: isolate; min-height: 380px; display: flex; align-items: flex-end;
}
.pagehead__media { position: absolute; inset: 0; z-index: -2; }
.pagehead__media img { width: 100%; height: 100%; object-fit: cover; }
.pagehead::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(90deg, rgba(6, 20, 34, 0.82) 0%, rgba(6, 20, 34, 0.58) 45%, rgba(6, 20, 34, 0.28) 100%),
    linear-gradient(180deg, rgba(6, 20, 34, 0.7) 0%, rgba(6, 20, 34, 0.42) 45%, rgba(6, 20, 34, 0.78) 100%);
}
.pagehead h1 { font-size: clamp(30px, 4vw, 54px); line-height: 1.14; letter-spacing: -0.02em; max-width: 20em; }
.pagehead__lead {
  margin-top: 20px; font-size: clamp(15px, 1.2vw, 17px); line-height: 1.8;
  color: rgba(255, 255, 255, 0.76); max-width: 52em;
}
.crumb { display: flex; gap: 10px; align-items: center; font-size: 13px; color: rgba(255, 255, 255, 0.7); margin-bottom: 24px; letter-spacing: 0.05em; }
.crumb a:hover { color: #fff; }
.crumb span { opacity: 0.4; }


/* hero slideshow */
.hero__media--slides { overflow: hidden; }
.hero__media--slides .hero__slide {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  opacity: 0; transition: opacity 1.3s var(--ease); will-change: opacity, transform;
}
.hero__media--slides .hero__slide.is-on { opacity: 1; animation: heroZoom 9s linear forwards; }
@keyframes heroZoom { from { transform: scale(1.055); } to { transform: scale(1); } }
.hero__dots {
  position: absolute; right: clamp(14px, 2.2vw, 30px); top: 44%; transform: translateY(-50%);
  display: flex; flex-direction: column; gap: 12px; z-index: 3;
}
.hero__dot {
  width: 3px; height: 24px; padding: 0; border: 0; border-radius: 3px; cursor: pointer;
  background: rgba(255, 255, 255, 0.34); transition: background 0.3s, height 0.35s var(--ease);
}
.hero__dot:hover { background: rgba(255, 255, 255, 0.62); }
.hero__dot.is-on { background: #fff; height: 46px; }
@media (prefers-reduced-motion: reduce) {
  .hero__media--slides .hero__slide.is-on { animation: none; }
}
@media (max-width: 720px) {
  .hero__dots { display: none; }
}

/* 5. Sections -------------------------------------------------------------- */
.section { padding: var(--sect) 0; }
.section--mist { background: var(--mist); }
.section--ink { background: var(--ink); color: #fff; }
.section--tight { padding: clamp(52px, 6vw, 84px) 0; }
.section--flush { padding-top: 0; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 11.5px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--teal); font-weight: 600; margin-bottom: 20px;
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: currentColor; }
.section--ink .eyebrow { color: var(--teal-lt); }

.sect-head { max-width: 780px; margin-bottom: clamp(40px, 5vw, 64px); }
.sect-head h2 { font-size: clamp(26px, 3.1vw, 42px); line-height: 1.2; letter-spacing: -0.02em; }
.sect-head p { margin-top: 20px; font-size: 16.5px; line-height: 1.9; color: var(--txt-2); }
.section--ink .sect-head p { color: rgba(255, 255, 255, 0.7); }
.sect-head--wide { max-width: 900px; }
.sect-head--center { margin-inline: auto; text-align: center; }
.sect-head--center .eyebrow::before { display: none; }

.head-row {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 40px;
  margin-bottom: clamp(40px, 5vw, 64px);
}
.head-row .sect-head { margin-bottom: 0; }

.prose { max-width: 46em; }
.prose p + p { margin-top: 18px; }
.prose p { font-size: 16.5px; line-height: 1.95; color: var(--txt-2); }
.section--ink .prose p { color: rgba(255, 255, 255, 0.72); }

/* 6. Components ------------------------------------------------------------ */
/* split */
.split { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: clamp(40px, 6vw, 88px); }
.split--reverse .split__media { order: 2; }
.split__media { position: relative; }
.split__media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.split__media--tall img { aspect-ratio: 3 / 4; }
.split__body h2 { font-size: clamp(26px, 2.8vw, 38px); line-height: 1.22; letter-spacing: -0.02em; margin-bottom: 22px; }
.split__body p { color: var(--txt-2); font-size: 16px; line-height: 1.95; }
.split__body p + p { margin-top: 16px; }
.section--ink .split__body p { color: rgba(255, 255, 255, 0.72); }
.split__note {
  margin-top: 26px; padding-left: 18px; border-left: 2px solid var(--teal);
  font-size: 14px; color: var(--txt-2); line-height: 1.8;
}
.badge-num {
  position: absolute; right: -1px; bottom: -1px; background: var(--paper); color: var(--ink);
  font-family: var(--font-num); font-size: 13px; letter-spacing: 0.08em; padding: 8px 14px;
}

/* bullet list */
.blist { display: grid; gap: 14px; margin-top: 28px; }
.blist li { position: relative; padding-left: 22px; font-size: 15.5px; line-height: 1.75; color: var(--txt-2); }
.blist li::before {
  content: ""; position: absolute; left: 0; top: 11px; width: 8px; height: 1px; background: var(--teal);
}
.section--ink .blist li { color: rgba(255, 255, 255, 0.74); }

/* kpi */
.kpis { display: grid; grid-template-columns: repeat(var(--n, 4), minmax(0, 1fr)); gap: 1px; background: var(--line); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.kpi { background: var(--paper); padding: 42px 28px 38px; container-type: inline-size; }
.section--mist .kpi { background: var(--mist); }
.section--ink .kpis { background: var(--line-inv); border-color: var(--line-inv); }
.section--ink .kpi { background: var(--ink); }
.kpi b {
  display: flex; align-items: baseline; flex-wrap: wrap; column-gap: 6px;
  font-family: var(--font-num); font-weight: 600; letter-spacing: -0.035em;
  font-variant-numeric: tabular-nums; white-space: nowrap;
  font-size: clamp(46px, 4.9vw, 70px); line-height: 1.0;
}
/* shrink only the figures that would not fit their column (long English units) */
@supports (font-size: 1cqw) {
  .kpi b { font-size: min(clamp(46px, 4.9vw, 70px), calc(100cqw / var(--kpi-w, 4.2))); }
}
.kpi b em { font-style: normal; font-size: 0.4em; margin-left: 0; font-weight: 500; color: var(--teal); letter-spacing: 0; white-space: nowrap; }
.kpi > span { display: block; margin-top: 14px; font-size: 13.8px; color: var(--txt-2); letter-spacing: 0.02em; line-height: 1.6; }
.kpi b span { font-size: inherit; display: inline; color: inherit; }
.section--ink .kpi > span { color: rgba(255, 255, 255, 0.6); }

/* cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.cards--2 { grid-template-columns: repeat(2, 1fr); gap: 32px; }
.cards--four { grid-template-columns: repeat(4, 1fr); gap: 22px; }
.cards--four .card__body { padding: 22px 20px 24px; }
.cards--four .card__body h3 { font-size: 17px; }
.cards--four .card__body p { font-size: 13.2px; }
.card {
  display: block; background: var(--paper); position: relative; overflow: hidden;
  border: 1px solid var(--line-soft); transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.card:hover { transform: translateY(-6px); box-shadow: 0 22px 48px rgba(8, 25, 43, 0.12); }
.card__media { overflow: hidden; }
.card__media img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; transition: transform 0.7s var(--ease); }
.card:hover .card__media img { transform: scale(1.045); }
.card__body { padding: 26px 26px 30px; }
.card__no {
  font-family: var(--font-num); font-size: 11.5px; letter-spacing: 0.16em;
  color: var(--teal); font-weight: 600; margin-bottom: 12px; display: block;
}
.card__body h3 { font-size: 19.5px; line-height: 1.4; margin-bottom: 10px; letter-spacing: -0.01em; }
.card__body p { font-size: 14px; line-height: 1.8; color: var(--txt-2); }
.card__more {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 18px;
  font-size: 13px; font-weight: 600; color: var(--ink); letter-spacing: 0.04em;
}
.card__more svg { width: 14px; height: 14px; transition: transform 0.3s var(--ease); }
.card:hover .card__more svg { transform: translateX(5px); }

/* service rows */
.rows { border-top: 1px solid var(--line); }
.row {
  display: grid; grid-template-columns: 64px 1fr 1.1fr 44px; gap: 28px; align-items: center;
  padding: 30px 8px; border-bottom: 1px solid var(--line);
  transition: background 0.3s var(--ease), padding-left 0.35s var(--ease);
}
.row:hover { background: var(--mist); padding-left: 20px; }
.row__no { font-family: var(--font-num); font-size: 13px; color: var(--txt-3); letter-spacing: 0.1em; }
.row__title { font-size: 20px; font-weight: 600; letter-spacing: -0.01em; }
.row__desc { font-size: 14px; color: var(--txt-2); line-height: 1.8; }
.row__arrow { display: flex; justify-content: flex-end; color: var(--txt-3); transition: color 0.3s, transform 0.3s; }
.row:hover .row__arrow { color: var(--teal); transform: translateX(4px); }
.row__arrow svg { width: 18px; height: 18px; }

/* timeline */
.tl { border-left: 1px solid var(--line); margin-left: 6px; }
.tl__item { position: relative; padding: 0 0 44px 40px; }
.tl__item:last-child { padding-bottom: 0; }
.tl__item::before {
  content: ""; position: absolute; left: -4.5px; top: 9px; width: 8px; height: 8px;
  border-radius: 50%; background: var(--paper); border: 1.5px solid var(--teal);
}
.tl__year { font-family: var(--font-num); font-size: 15px; font-weight: 600; color: var(--blue); letter-spacing: 0.02em; }
.tl__item h4 { font-size: 18px; margin: 6px 0 8px; }
.tl__item p { font-size: 14.5px; color: var(--txt-2); line-height: 1.85; }

/* certs */
.certs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.cert { background: var(--paper); padding: 30px 30px; display: flex; align-items: center; gap: 22px; }
.cert__ico {
  width: 58px; height: 58px; flex: 0 0 58px; border-radius: 50%;
  background: rgba(0, 169, 195, 0.09); display: flex; align-items: center; justify-content: center;
  color: var(--blue);
}
.cert__svg { width: 27px; height: 27px; }
.section--ink .certs { background: var(--line-inv); border-color: var(--line-inv); }
.section--ink .cert { background: var(--ink-2); }
.section--ink .cert__ico { background: rgba(91, 200, 216, 0.14); color: var(--teal-lt); }
.cert b { display: block; font-family: var(--font-num); font-size: 19px; letter-spacing: 0.02em; margin-bottom: 8px; }
.cert div span { font-size: 13.5px; color: var(--txt-2); line-height: 1.8; display: block; }
.section--ink .cert div span { color: rgba(255, 255, 255, 0.62); }

/* flow steps */
.flow { display: grid; grid-template-columns: repeat(var(--fc, 4), minmax(0, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); background: #fff; }
.step { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.step:hover { background: var(--mist); }
.section--mist .step:hover { background: #fff; }
.step { background: var(--paper); padding: 30px 24px 30px; position: relative; transition: background 0.3s var(--ease); }

.step__no {
  position: absolute; top: 18px; right: 20px;
  font-family: var(--font-num); font-size: 10.5px; letter-spacing: 0.14em; color: var(--txt-3);
}
.flow__ico { width: 38px; height: 38px; display: block; color: var(--teal); margin-bottom: 20px; transition: color 0.3s var(--ease), transform 0.3s var(--ease); }
.step:hover .flow__ico { color: var(--blue); transform: translateY(-3px); }
.step__label { font-size: 14.5px; line-height: 1.6; color: var(--txt); display: block; letter-spacing: 0.01em; }
.section--ink .flow { border-color: var(--line-inv); }
.section--ink .step { background: var(--ink-2); border-color: var(--line-inv); }
.section--ink .step span { color: rgba(255, 255, 255, 0.8); }

/* tags */
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tags li {
  font-size: 13px; padding: 7px 14px; border: 1px solid var(--line);
  color: var(--txt-2); background: var(--paper); letter-spacing: 0.01em;
  transition: border-color 0.25s, color 0.25s;
}
.tags li:hover { border-color: var(--teal); color: var(--blue); }
.net-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.net-block h4 { font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--txt-3); margin-bottom: 16px; font-weight: 600; }

/* client logo wall */
.clientgrid { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }
.clientgrid li {
  flex: 0 0 calc(16.6667% - 12px); height: clamp(128px, 11.5vw, 158px);
  border: 1px solid var(--line-soft); background: #fff;
  display: flex; align-items: center; justify-content: center; padding: 18px 14px;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.clientgrid li:hover { border-color: rgba(0, 169, 195, 0.45); box-shadow: 0 10px 26px rgba(8, 25, 43, 0.07); }
.clientgrid img {
  max-width: 100%; max-height: clamp(52px, 4.4vw, 64px); width: auto; height: auto;
  object-fit: contain;
  transition: transform 0.35s var(--ease);
}
.clientgrid li:hover img { transform: scale(1.04); }
.clientgrid--compact li { height: clamp(104px, 8.5vw, 124px); }
.clientgrid--compact img { max-height: clamp(42px, 3.6vw, 54px); }

@media (max-width: 1180px) { .clientgrid li { flex: 0 0 calc(16.6667% - 12px); } }
@media (max-width: 1024px) { .clientgrid li { flex: 0 0 calc(20% - 12px); } }
@media (max-width: 720px) { .clientgrid li { flex: 0 0 calc(33.3333% - 10px); height: 110px; padding: 14px 10px; } .clientgrid img { max-height: 44px; } }
@media (max-width: 480px) { .clientgrid li { flex: 0 0 calc(50% - 8px); } .clientgrid img { max-height: 40px; } }

/* map card */
.map-card {
  border: 1px solid var(--line); background: var(--mist); padding: 34px 30px;
  display: flex; flex-direction: column; justify-content: space-between; min-height: 380px;
}
.map-card__pin { width: 34px; height: 34px; color: var(--teal); margin-bottom: 22px; }
.map-card h4 { font-size: 18px; margin-bottom: 10px; }
.map-card p { font-size: 14.5px; line-height: 1.8; color: var(--txt-2); margin-bottom: 26px; }
.map-card__btns { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.map-card__btns .btn:first-child { grid-column: 1 / -1; }
.map-card__btns .btn { padding-inline: 12px; }


/* hero stat counters inherit size */
.hero__stat b span { font-size: inherit; display: inline; color: inherit; }

/* client logo links */
.clientgrid__link {
  position: relative; width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
}
.clientgrid__go {
  position: absolute; right: 8px; bottom: 8px; width: 22px; height: 22px; border-radius: 50%;
  background: rgba(8, 25, 43, 0.05); color: var(--blue);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transform: translateY(3px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), background 0.3s var(--ease);
}
.clientgrid__go svg { width: 12px; height: 12px; }
.clientgrid li:hover .clientgrid__go { opacity: 1; transform: none; background: rgba(0, 81, 157, 0.09); }

/* scope cards */
.scope {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px; background: var(--line); border: 1px solid var(--line);
}
.scope__item {
  background: var(--paper); padding: 26px 24px 28px;
  display: flex; flex-direction: column; transition: background 0.3s var(--ease);
}
.scope__item:hover { background: var(--mist); }
.scope__ico {
  width: 42px; height: 42px; border-radius: 50%; flex: 0 0 42px;
  background: rgba(0, 169, 195, 0.08); color: var(--blue);
  display: flex; align-items: center; justify-content: center; margin-bottom: 18px;
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
}
.scope__item:hover .scope__ico { background: rgba(0, 81, 157, 0.1); color: var(--teal); }
.scope__svg { width: 21px; height: 21px; }
.scope__item b { font-size: 15px; font-weight: 600; letter-spacing: -0.005em; line-height: 1.5; margin-bottom: 8px; }
.scope__desc { font-size: 13.2px; line-height: 1.72; color: var(--txt-2); }

/* network map */
.netmap { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(28px, 4vw, 64px); align-items: center; }
.netmap__canvas { min-width: 0; }
.netmap__svg { width: 100%; height: auto; color: var(--ink); display: block; }
.section--ink .netmap__svg { color: #ffffff; }
.netmap__cap { margin-top: 16px; font-size: 11.5px; letter-spacing: 0.02em; color: var(--txt-3); }
.section--ink .netmap__cap { color: rgba(255, 255, 255, 0.4); }

.nn__link { fill: none; stroke: var(--teal); stroke-width: 1.2; stroke-dasharray: 5 7; opacity: 0.5; animation: dashmove 16s linear infinite; }
@keyframes dashmove { to { stroke-dashoffset: -240; } }
.nn__halo { fill: var(--teal); fill-opacity: 0.1; }
.nn__city { fill: var(--teal); fill-opacity: 0.55; }
.nn__orbit { fill: none; stroke: currentColor; stroke-opacity: 0.14; stroke-width: 1; stroke-dasharray: 3 7; }
.nn__core { fill: var(--teal); }
.nn--hub .nn__core { fill: var(--blue); }
.nn--hub .nn__halo { fill: var(--blue); fill-opacity: 0.1; }
.section--ink .nn__core { fill: var(--teal-lt); }
.section--ink .nn--hub .nn__core { fill: #ffffff; }
.section--ink .nn__halo { fill: var(--teal-lt); fill-opacity: 0.12; }
.section--ink .nn__city { fill: var(--teal-lt); fill-opacity: 0.6; }
.section--ink .nn--hub .nn__halo { fill: #ffffff; fill-opacity: 0.1; }
.nn__pulse {
  fill: none; stroke: var(--teal); stroke-width: 1; opacity: 0.5;
  transform-box: fill-box; transform-origin: center; animation: nnpulse 3.4s ease-out infinite;
}
@keyframes nnpulse { 0% { transform: scale(0.86); opacity: 0.5; } 100% { transform: scale(1.5); opacity: 0; } }
.nn__name { font-family: var(--font); font-size: 13.5px; font-weight: 600; fill: currentColor; letter-spacing: -0.01em; }


.netlist { display: flex; flex-direction: column; }
.netlist__item {
  display: grid; grid-template-columns: 32px 1fr; gap: 14px; align-items: start;
  padding: 17px 0; border-top: 1px solid var(--line);
}
.netlist__item:last-child { border-bottom: 1px solid var(--line); }
.netlist__no { font-family: var(--font-num); font-size: 11px; letter-spacing: 0.12em; color: var(--teal); padding-top: 4px; }
.netlist__body b { display: block; font-size: 16px; font-weight: 600; margin-bottom: 9px; letter-spacing: -0.01em; }
.netlist__cities { display: flex; flex-wrap: wrap; gap: 6px; }
.netlist__cities span {
  font-size: 12.4px; color: var(--txt-2); background: var(--mist);
  border: 1px solid var(--line); padding: 3px 9px; line-height: 1.5;
}
.section--ink .netlist__item { border-color: var(--line-inv); }
.section--ink .netlist__body b { color: #fff; }
.section--ink .netlist__cities span { color: rgba(255, 255, 255, 0.72); background: rgba(255, 255, 255, 0.04); border-color: rgba(255, 255, 255, 0.12); }

/* article body */
.artbody { max-width: 44em; }
.artbody p + p { margin-top: 18px; }
.artbody__lead { font-size: 19px !important; line-height: 1.85 !important; color: var(--txt) !important; }
.artbody__h {
  font-size: 21px; line-height: 1.5; letter-spacing: -0.012em;
  margin: 46px 0 14px; padding-top: 0;
}
.artbody__h + p { margin-top: 0; }
.artbody__ul { margin: 4px 0 0; list-style: none; }
.artbody__ul li {
  position: relative; padding-left: 22px; font-size: 16px; line-height: 1.9; color: var(--txt-2);
}
.artbody__ul li + li { margin-top: 9px; }
.artbody__ul li::before {
  content: ""; position: absolute; left: 4px; top: 13px; width: 5px; height: 5px;
  background: var(--teal); border-radius: 50%;
}

@media (max-width: 1024px) {
  .scope { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .netmap { grid-template-columns: 1fr; gap: 30px; }
}
@media (max-width: 820px) {
  .nn__name { font-size: 13.5px; }
  .artbody__lead { font-size: 17.5px !important; }
  .artbody__h { font-size: 19px; margin-top: 38px; }
}
@media (max-width: 560px) {
  .scope { grid-template-columns: 1fr; }
  .scope__item { padding: 22px 20px 24px; flex-direction: row; flex-wrap: wrap; align-items: flex-start; column-gap: 16px; }
  .scope__ico { margin-bottom: 12px; width: 36px; height: 36px; flex: 0 0 36px; }
  .scope__item b { padding-top: 6px; }
  .scope__desc { flex: 1 0 100%; }
  .nn__name { font-size: 16px; }
}

/* quote */
.quote { max-width: 900px; padding-left: clamp(24px, 4vw, 56px); border-left: 3px solid var(--teal); }
.quote p { font-size: clamp(20px, 2.2vw, 30px); line-height: 1.6; letter-spacing: -0.015em; font-weight: 500; }
.quote cite { display: block; margin-top: 24px; font-style: normal; font-size: 13.5px; color: var(--txt-3); letter-spacing: 0.06em; }

/* client marquee */
.marquee { overflow: hidden; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 26px 0; }
.marquee__track { display: flex; gap: 64px; width: max-content; animation: slide 46s linear infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__item { font-size: 15px; color: var(--txt-2); white-space: nowrap; letter-spacing: 0.02em; opacity: 0.85; }
.section--ink .marquee { border-color: var(--line-inv); }
.section--ink .marquee__item { color: rgba(255, 255, 255, 0.6); }
@keyframes slide { to { transform: translateX(-50%); } }

/* articles */
.arts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.art { display: block; border-top: 2px solid var(--ink); padding-top: 0; transition: transform 0.4s var(--ease); }
.art:hover { transform: translateY(-4px); }
.art__media { overflow: hidden; margin-bottom: 20px; }
.art__media img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; transition: transform 0.7s var(--ease); }
.art:hover .art__media img { transform: scale(1.04); }
.art__meta { display: flex; gap: 14px; font-size: 12px; color: var(--txt-3); letter-spacing: 0.06em; margin-bottom: 12px; }
.art h3 { font-size: 19px; line-height: 1.5; margin-bottom: 10px; }
.art p { font-size: 14px; color: var(--txt-2); line-height: 1.8; }

/* cta band */
.cta { position: relative; color: #fff; overflow: hidden; isolation: isolate; padding: clamp(72px, 9vw, 120px) 0; }
.cta { background: var(--ink); }
.cta__grid {
  position: absolute; inset: 0; z-index: -2;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 78px 78px;
  -webkit-mask-image: linear-gradient(100deg, #000 0%, rgba(0, 0, 0, 0.45) 55%, transparent 92%);
  mask-image: linear-gradient(100deg, #000 0%, rgba(0, 0, 0, 0.45) 55%, transparent 92%);
}
.cta::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(900px 380px at 88% 12%, rgba(0, 169, 195, 0.22), transparent 68%);
}
.cta h2 { font-size: clamp(28px, 3.4vw, 46px); line-height: 1.18; letter-spacing: -0.02em; max-width: 20em; margin-bottom: 18px; }
.cta p { color: rgba(255, 255, 255, 0.75); max-width: 44em; font-size: 16px; line-height: 1.85; margin-bottom: 34px; }
.cta__btns { display: flex; flex-wrap: wrap; gap: 14px; }

/* contact blocks */
.contact-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(40px, 6vw, 80px); align-items: start; }
.contact-card { border: 1px solid var(--line); padding: 32px; }
.contact-card h3 { font-size: 13px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--txt-3); margin-bottom: 20px; font-weight: 600; }
.contact-line { padding: 14px 0; border-bottom: 1px solid var(--line-soft); }
.contact-line:last-child { border-bottom: 0; }
.contact-line b { display: block; font-size: 12px; color: var(--txt-3); font-weight: 500; letter-spacing: 0.08em; margin-bottom: 4px; }
.contact-line span, .contact-line a { font-size: 16px; color: var(--txt); }
.contact-line a:hover { color: var(--blue); }
.contact-line .todo { color: var(--txt-3); font-style: normal; border-bottom: 1px dashed var(--txt-3); }
.map-holder {
  border: 1px solid var(--line); background: var(--mist); min-height: 380px;
  display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 10px;
  color: var(--txt-3); font-size: 13px; text-align: center; padding: 30px;
}
.map-holder svg { width: 34px; height: 34px; opacity: 0.4; }

/* 7. Footer ---------------------------------------------------------------- */
.footer { background: var(--ink); color: #fff; padding: clamp(60px, 7vw, 92px) 0 0; }
.footer__top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 56px; }
.footer__brand img { height: 52px; width: auto; margin-bottom: 22px; }
.footer__brand p { font-size: 13.5px; line-height: 1.9; color: rgba(255, 255, 255, 0.56); max-width: 24em; }
.footer h4 { font-size: 11.5px; letter-spacing: 0.18em; text-transform: uppercase; color: rgba(255, 255, 255, 0.42); margin-bottom: 20px; font-weight: 600; }
.footer__list li { margin-bottom: 11px; }
.footer__list a { font-size: 14px; color: rgba(255, 255, 255, 0.78); transition: color 0.2s; }
.footer__list a:hover { color: var(--teal-lt); }
.footer__bottom {
  border-top: 1px solid var(--line-inv); padding: 24px 0 30px;
  display: flex; flex-wrap: wrap; gap: 16px 32px; justify-content: space-between;
  font-size: 12.5px; color: rgba(255, 255, 255, 0.42);
}
.footer__bottom a:hover { color: #fff; }
.footer__legal { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; }
.footer__legal i { font-style: normal; opacity: 0.4; }
.footer__legal a { color: rgba(255, 255, 255, 0.42); }


/* 6.10 Group overview (about) --------------------------------------------- */
.overview { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(30px, 5vw, 74px); align-items: start; }
.overview__media { position: relative; margin: 0; }
.overview__media img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: var(--radius-lg); display: block; }
.overview__badge {
  position: absolute; left: 22px; bottom: -24px; display: flex; align-items: baseline; gap: 10px;
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 16px 22px; box-shadow: 0 18px 44px rgba(8, 25, 43, 0.14);
}
.overview__badge b { font-family: var(--font-num); font-size: 28px; line-height: 1; color: var(--blue); letter-spacing: -0.02em; }
.overview__badge span { font-size: 12.5px; color: var(--txt-2); letter-spacing: 0.04em; }
.overview__body h2 { font-size: clamp(24px, 2.5vw, 36px); line-height: 1.26; margin: 4px 0 22px; }
.overview__text p { font-size: 15.5px; line-height: 1.95; color: var(--txt-2); margin-bottom: 15px; }
.overview__facts {
  list-style: none; margin: 28px 0 0; padding: 24px 0 0; border-top: 1px solid var(--line);
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px 26px;
}
.overview__facts li { display: flex; align-items: center; gap: 11px; font-size: 13.5px; color: var(--txt); }
.overview__fi { width: 21px; height: 21px; flex: 0 0 21px; color: var(--teal); }

/* 6.11 Value chain (services overview) ------------------------------------ */
.chain { list-style: none; margin: 52px 0 0; padding: 0; display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.chain__stage {
  position: relative; background: var(--paper); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 24px 20px 22px; display: flex; flex-direction: column;
}
.chain__stage::after {
  content: ""; position: absolute; top: 42px; right: -16px; width: 16px; height: 1px;
  background: repeating-linear-gradient(90deg, var(--teal) 0 4px, transparent 4px 8px);
}
.chain__stage:last-child::after { display: none; }
.chain__no { font-family: var(--font-num); font-size: 11.5px; letter-spacing: 0.14em; color: var(--txt-3); }
.chain__ico {
  width: 44px; height: 44px; margin: 10px 0 14px; border-radius: 50%;
  display: grid; place-items: center; background: rgba(0, 169, 195, 0.1); color: var(--blue);
}
.chain__svg { width: 22px; height: 22px; }
.chain h3 { font-size: 15px; line-height: 1.4; margin-bottom: 8px; }
.chain p { font-size: 12.8px; line-height: 1.72; color: var(--txt-2); flex: 1; }
.chain__chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.chain__chip {
  font-size: 11.5px; line-height: 1.5; padding: 5px 9px; border-radius: 999px;
  background: rgba(0, 81, 157, 0.07); color: var(--blue); letter-spacing: 0.01em;
}

/* 6.12 Contact page -------------------------------------------------------- */
.ccards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.ccard {
  display: flex; flex-direction: column; gap: 6px; padding: 30px 28px; background: var(--paper);
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s;
}
.ccard:hover { transform: translateY(-3px); border-color: rgba(0, 169, 195, 0.45); box-shadow: 0 16px 38px rgba(8, 25, 43, 0.09); }
.ccard__ico {
  width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(0, 169, 195, 0.1); color: var(--blue); margin-bottom: 12px;
}
.ccard__svg { width: 21px; height: 21px; }
.ccard__label { font-size: 11.5px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--txt-3); font-weight: 600; }
.ccard b { font-size: 17.5px; font-weight: 600; color: var(--ink); letter-spacing: -0.01em; }
.ccard__note { font-size: 13px; color: var(--txt-2); }
.contact-body {
  display: grid; grid-template-columns: 0.92fr 1.08fr; gap: clamp(28px, 4vw, 60px);
  margin-top: clamp(34px, 4vw, 54px); align-items: center;
}
.contact-addr { background: var(--mist); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: clamp(26px, 3vw, 38px); }
.contact-addr h3 { font-size: clamp(22px, 2.2vw, 30px); margin: 4px 0 22px; }
.contact-addr__line { display: flex; gap: 12px; font-size: 14.5px; margin-bottom: 10px; color: var(--txt-3); }
.contact-addr__line span { color: var(--txt); font-weight: 600; }
.contact-addr .map-card__btns { margin-top: 24px; }
.contact-art { margin: 0; }
.cart { width: 100%; height: auto; color: var(--blue); }
.contact-art figcaption { margin-top: 14px; font-size: 12.5px; color: var(--txt-3); text-align: center; letter-spacing: 0.02em; }

/* 6.13 Wide figure --------------------------------------------------------- */
.widefig { max-width: 1040px; margin: 0 auto; }
.widefig img { display: block; width: 100%; height: auto; border-radius: var(--radius-lg); }
.widefig figcaption {
  margin-top: 15px; font-size: 13px; color: var(--txt-3);
  letter-spacing: 0.02em; display: flex; align-items: center; gap: 9px;
}
.widefig figcaption::before {
  content: ""; flex: 0 0 6px; width: 6px; height: 6px; border-radius: 50%;
  background: var(--teal);
}
@media (max-width: 720px) { .widefig { max-width: none; } }

/* 6.14 Photo strip --------------------------------------------------------- */
.section--flush.strip-wrap { padding-bottom: clamp(44px, 5vw, 68px); }   /* 紧跟数据条，下方留出呼吸位 */
.strip { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.strip img {
  display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  border-radius: var(--radius-lg); background: var(--mist);
}
@media (max-width: 720px) {
  .strip { grid-template-columns: 1fr; gap: 12px; }
  .strip img { aspect-ratio: 16 / 10; }
}

/* 6.15 Combined photo mosaic ------------------------------------------------ */
.section.mosaic-wrap { padding-top: clamp(38px, 4vw, 54px); padding-bottom: clamp(56px, 6vw, 88px); }
.mosaic__top { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; }
.mosaic__main { margin: 0; }
.mosaic__main img {
  display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover;
  border-radius: var(--radius-lg); background: var(--mist);
}
.mosaic__side { display: grid; grid-template-rows: 1fr 1fr; gap: 16px; min-height: 0; }
.mosaic__side img {
  display: block; width: 100%; height: 100%; min-height: 0; object-fit: cover;
  border-radius: var(--radius-lg); background: var(--mist);
}
.mosaic__row {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px; margin-top: 16px;
}
.mosaic__row img {
  display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  border-radius: var(--radius-lg); background: var(--mist);
}
@media (max-width: 960px) {
  .mosaic__top { grid-template-columns: 1fr; }
  .mosaic__main img { aspect-ratio: 16 / 10; }
  .mosaic__side { grid-template-columns: 1fr 1fr; grid-template-rows: none; }
  .mosaic__side img { height: auto; aspect-ratio: 1.85; }
}
@media (max-width: 720px) {
  .mosaic__side { grid-template-columns: 1fr; }
  .mosaic__side img { aspect-ratio: 1.85; }
  .mosaic__row { grid-template-columns: 1fr; }
  .mosaic__row img { aspect-ratio: 4 / 3; }
}


/* 6.16 Article figures ----------------------------------------------------- */
.artbody__fig { margin: 42px 0 46px; }
.artbody__fig img { display: block; width: 100%; height: auto; border-radius: var(--radius-lg); }
.artbody__fig figcaption { margin-top: 12px; font-size: 12.5px; color: var(--txt-3); letter-spacing: 0.02em; }

@media (max-width: 1180px) {
  .chain { grid-template-columns: repeat(3, 1fr); }
  .chain__stage:nth-child(3n)::after { display: none; }
}
@media (max-width: 960px) {
  .overview { grid-template-columns: 1fr; }
  .overview__media img { aspect-ratio: 16 / 10; }
  .overview__badge { bottom: 18px; left: 18px; }
  .ccards { grid-template-columns: 1fr; }
  .contact-body { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .chain { grid-template-columns: repeat(2, 1fr); }
  .chain__stage:nth-child(3n)::after { display: block; }
  .chain__stage:nth-child(2n)::after { display: none; }
  .overview__facts { grid-template-columns: 1fr; }
}

/* 8. Utilities ------------------------------------------------------------- */
.arrow-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13.5px; font-weight: 600; letter-spacing: 0.03em; color: var(--blue);
}
.arrow-link svg { width: 14px; height: 14px; transition: transform 0.3s var(--ease); }
.arrow-link:hover svg { transform: translateX(4px); }
.section--ink .arrow-link { color: var(--teal-lt); }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .marquee__track { animation: none; }
  html { scroll-behavior: auto; }
}

.m-only { display: none; }
@media (max-width: 720px) { .m-only { display: block; } }

.mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; } .mt-48 { margin-top: 48px; } .mt-64 { margin-top: 64px; }
.divider { height: 1px; background: var(--line); border: 0; margin: 0; }

/* 9. Responsive ------------------------------------------------------------ */
@media (max-width: 1180px) {
  .mega__grid { grid-template-columns: 1fr 1fr; gap: 0 40px; }
  .mega__promo { display: none; }
  .row { grid-template-columns: 48px 1fr 40px; }
  .row__desc { display: none; }
}

@media (max-width: 1024px) {
  .flow { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .nav, .header__actions .lang { display: none; }
  .burger { display: flex; }
  .header__actions { margin-left: auto; }
  .drawer { display: flex; }
  .split { grid-template-columns: 1fr; gap: 36px; }
  .split--reverse .split__media { order: 0; }
  .cards, .arts, .net-grid { grid-template-columns: repeat(2, 1fr); }
  .kpis { grid-template-columns: repeat(min(var(--n, 4), 2), minmax(0, 1fr)); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr 1fr; gap: 40px; }
  .hero__stats { grid-template-columns: repeat(2, 1fr); }
  .hero__stat:nth-child(3) { border-left: 0; padding-left: 0; }
  .hero__stat:nth-child(n + 3) { border-top: 1px solid rgba(255, 255, 255, 0.12); }
}

@media (max-width: 720px) {
  body { font-size: 15.5px; }
  .header__inner { height: 68px; }
  .header__brand img { height: 40px; }
  .header.is-solid .header__brand img { height: 34px; }
  .header__actions .btn { display: none; }
  .hero { min-height: 560px; }
  .hero__body { padding-top: 110px; }
  .cards, .arts, .net-grid, .cards--2, .certs { grid-template-columns: 1fr; }
  .kpis { grid-template-columns: 1fr; }
  .kpi b { font-size: clamp(42px, 11vw, 56px); }
  .hero__stat b { font-size: clamp(38px, 10.5vw, 52px); }
  .hero__stat { padding: 20px 0 24px; }
  .hero__stat + .hero__stat { padding-left: 0; border-left: 0; border-top: 1px solid rgba(255, 255, 255, 0.12); }
  .hero__stat:first-child { border-top: 0; }
  .flow { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .step { padding: 24px 18px 26px; }
  .flow__ico { width: 32px; height: 32px; margin-bottom: 14px; }
  .step__label { font-size: 13.5px; }
  .row { grid-template-columns: 36px 1fr 24px; gap: 14px; padding: 22px 4px; }
  .row__title { font-size: 17px; }
  .head-row { flex-direction: column; align-items: flex-start; gap: 20px; }
  .footer__top { grid-template-columns: 1fr; gap: 36px; }
  .pagehead { padding-top: 130px; }
  .badge-num { display: none; }
}