/* ==========================================================================
   UNIKAS — main stylesheet
   ========================================================================== */

:root {
  --ink: #06090f;
  --navy: #0a1122;
  --navy-2: #101a33;
  --paper: #f7f5f0;
  --paper-2: #efece4;
  --gold: #c8a15a;
  --gold-soft: #e0bd85;
  --text: #16202e;
  --muted: #616b7a;
  --line: rgba(22, 32, 46, 0.12);
  --line-dark: rgba(255, 255, 255, 0.12);
  --radius: 18px;
  --max: 1200px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font-sans: "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "Source Han Sans SC", "Noto Sans SC", sans-serif;
  --font-display: "Optima", "Times New Roman", "Songti SC", "Noto Serif SC", serif;
}

*,
*::before,
*::after { box-sizing: border-box; }

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

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

img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

/* 选中文字：蓝底反白 */
::selection { background: var(--blue); color: #ffffff; }
::-moz-selection { background: var(--blue); color: #ffffff; }

.screen-reader-text {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0);
  white-space: nowrap; border: 0;
}

.skip-link:focus {
  position: fixed; top: 12px; left: 12px; z-index: 9999;
  width: auto; height: auto; clip: auto; margin: 0;
  padding: 12px 20px; background: #fff; color: var(--ink);
  border-radius: 999px; font-size: 14px;
}

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

/* --------------------------------------------------------------------------
   Layout helpers
   -------------------------------------------------------------------------- */

.wrap { width: min(100% - 48px, var(--max)); margin-inline: auto; }
.wrap--narrow { width: min(100% - 48px, 860px); margin-inline: auto; }

.sec { padding: clamp(72px, 9vw, 132px) 0; position: relative; }
.sec--paper { background: var(--paper); }
.sec--paper2 { background: var(--paper-2); }
.sec--dark { background: var(--navy); color: #fff; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 12px; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--gold); font-weight: 600; margin-bottom: 22px;
}
.eyebrow::before { content: ""; width: 34px; height: 1px; background: currentColor; opacity: .6; }
.sec--dark .eyebrow { color: var(--gold-soft); }

.sec-title {
  font-size: clamp(1.9rem, 3.6vw, 3rem);
  letter-spacing: -0.03em;
  font-weight: 600;
}
.sec-title .serif { font-family: var(--font-display); font-weight: 400; font-style: italic; }
.sec-desc { color: var(--muted); font-size: 1.0625rem; max-width: 46ch; margin-top: 20px; }
.sec--dark .sec-desc { color: rgba(255, 255, 255, 0.62); }

.sec-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 40px; flex-wrap: wrap; }

.link-more {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 14px; font-weight: 600; letter-spacing: .04em;
  padding-bottom: 6px; border-bottom: 1px solid var(--gold);
  transition: gap .3s var(--ease), color .3s;
}
.link-more:hover { gap: 16px; color: var(--gold); }
.link-more svg { width: 16px; height: 16px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 54px; padding: 0 30px; border-radius: 999px;
  font-size: 15px; font-weight: 600; letter-spacing: .02em;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .35s var(--ease), background .35s, color .35s, border-color .35s, box-shadow .35s;
}
.btn:hover { transform: translateY(-2px); }
.btn--gold { background: var(--gold); color: #14100a; box-shadow: 0 14px 34px -16px rgba(200, 161, 90, .9); }
.btn--gold:hover { background: var(--gold-soft); }
.btn--ghost { border-color: rgba(255, 255, 255, 0.28); color: #fff; }
.btn--ghost:hover { border-color: #fff; background: rgba(255, 255, 255, .06); }
.btn--dark { background: var(--navy); color: #fff; }
.btn--dark:hover { background: #16203a; }
.btn--line { border-color: var(--line); color: var(--text); }
.btn--line:hover { border-color: var(--text); }

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */

.site-header {
  position: fixed; inset: 0 0 auto; z-index: 100;
  transition: background .4s var(--ease), border-color .4s, backdrop-filter .4s, height .4s;
  border-bottom: 1px solid transparent;
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 92px; gap: 32px;
  transition: height .4s var(--ease);
}
.site-header.is-scrolled {
  background: rgba(6, 9, 15, 0.82);
  backdrop-filter: saturate(160%) blur(16px);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
  border-bottom-color: var(--line-dark);
}
.site-header.is-scrolled .site-header__inner { height: 72px; }

.brand { display: inline-flex; align-items: center; gap: 12px; color: #fff; }
.brand__mark { width: 34px; height: 34px; flex: none; }
.brand__text { display: flex; flex-direction: column; line-height: 1; }
.brand__name { font-size: 21px; font-weight: 600; letter-spacing: .3em; }
.brand__sub { font-size: 9px; letter-spacing: .32em; color: rgba(255, 255, 255, .55); margin-top: 5px; }

.nav { display: flex; align-items: center; gap: 6px; }
.nav ul { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav a {
  display: block; padding: 10px 16px; font-size: 14.5px; color: rgba(255, 255, 255, .78);
  border-radius: 999px; transition: color .3s, background .3s;
}
.nav a:hover { color: #fff; background: rgba(255, 255, 255, .07); }
.nav .current-menu-item > a,
.nav .current_page_item > a,
.nav .current-menu-ancestor > a { color: #fff; }
.nav .current-menu-item > a::after { content: ""; display: block; height: 1px; background: var(--gold); margin-top: 2px; }
.nav .menu-item-has-children > a::after {
  content: ""; display: inline-block; width: 5px; height: 5px; margin-left: 8px;
  border-right: 1px solid currentColor; border-bottom: 1px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
}
.nav .sub-menu {
  position: absolute; top: 100%; left: 0; min-width: 210px; padding: 10px;
  background: #fff; border-radius: 14px; box-shadow: 0 30px 60px -30px rgba(6, 9, 15, .5);
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: opacity .3s, transform .3s, visibility .3s;
}
.nav li { position: relative; }
.nav li:hover > .sub-menu { opacity: 1; visibility: visible; transform: none; }
.nav .sub-menu a { color: var(--text); border-radius: 8px; }
.nav .sub-menu a:hover { background: var(--paper-2); }

.header-cta { display: flex; align-items: center; gap: 14px; }
.header-cta .btn { height: 44px; padding: 0 22px; font-size: 14px; }

.nav-toggle {
  display: none; width: 44px; height: 44px; border: 1px solid var(--line-dark);
  background: transparent; border-radius: 50%; cursor: pointer; position: relative;
}
.nav-toggle span {
  position: absolute; left: 50%; width: 16px; height: 1px; background: #fff;
  transform: translateX(-50%); transition: transform .3s var(--ease), opacity .3s;
}
.nav-toggle span:nth-child(1) { top: 18px; }
.nav-toggle span:nth-child(2) { top: 25px; }
body.nav-open .nav-toggle span:nth-child(1) { transform: translateX(-50%) translateY(3.5px) rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2) { transform: translateX(-50%) translateY(-3.5px) rotate(-45deg); }

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.hero {
  position: relative; overflow: hidden; color: #fff;
  background: radial-gradient(120% 90% at 78% 8%, #1b2b4d 0%, #0a1122 46%, #06090f 100%);
  min-height: min(100svh, 900px);
  display: flex; align-items: center;
  padding: 150px 0 90px;
}
.hero::before {
  content: ""; 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: 84px 84px;
  mask-image: radial-gradient(80% 70% at 50% 30%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(80% 70% at 50% 30%, #000 20%, transparent 78%);
  pointer-events: none;
}
.hero__glow {
  position: absolute; width: 760px; height: 760px; right: -180px; top: -220px;
  background: radial-gradient(circle, rgba(200, 161, 90, .22), transparent 62%);
  filter: blur(10px); pointer-events: none;
}
.hero__grid {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 64px; align-items: center;
}
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 14px;
  font-size: 12px; letter-spacing: .28em; text-transform: uppercase;
  color: var(--gold-soft); margin-bottom: 30px;
}
.hero__eyebrow i {
  width: 7px; height: 7px; border-radius: 50%; background: var(--gold);
  box-shadow: 0 0 0 4px rgba(200, 161, 90, .18);
}
.hero h1 {
  font-size: clamp(2.5rem, 5.6vw, 4.6rem);
  line-height: 1.08; letter-spacing: -0.035em; font-weight: 600;
  margin-bottom: 28px;
}
.hero h1 em {
  font-family: var(--font-display); font-style: italic; font-weight: 400;
  color: var(--gold-soft);
}
.hero__lede {
  font-size: clamp(1rem, 1.2vw, 1.125rem);
  color: rgba(255, 255, 255, .68); max-width: 46ch; line-height: 1.85;
}
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 40px; }
.hero__meta {
  display: flex; gap: 40px; margin-top: 64px; padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, .1); flex-wrap: wrap;
}
.hero__meta div strong {
  display: block; font-size: 1.75rem; font-weight: 600; letter-spacing: -0.02em;
}
.hero__meta div span { font-size: 12.5px; letter-spacing: .1em; color: rgba(255, 255, 255, .5); }

/* 右侧视觉：轨道环 */
.orbit { position: relative; aspect-ratio: 1; display: grid; place-items: center; }
.orbit::before,
.orbit::after {
  content: ""; position: absolute; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .14);
}
.orbit::before { inset: 4%; }
.orbit::after { inset: 19%; border-style: dashed; border-color: rgba(200, 161, 90, .35); }
.orbit__ring { position: absolute; inset: 0; animation: spin 46s linear infinite; }
.orbit__ring:nth-child(2) { animation-duration: 68s; animation-direction: reverse; }
.orbit__dot {
  position: absolute; top: -4px; left: 50%; width: 8px; height: 8px; border-radius: 50%;
  background: var(--gold); box-shadow: 0 0 18px 4px rgba(200, 161, 90, .55);
}
.orbit__ring--inner { inset: 22%; border: 1px solid rgba(255, 255, 255, .08); border-radius: 50%; }
.orbit__core {
  width: 44%; aspect-ratio: 1; border-radius: 50%; position: relative;
  background: radial-gradient(circle at 34% 28%, #2b3f68, #0b1226 62%);
  box-shadow: inset 0 0 60px rgba(0, 0, 0, .6), 0 40px 80px -30px rgba(0, 0, 0, .8);
  display: grid; place-items: center; text-align: center;
}
.orbit__core span {
  font-size: 10px; letter-spacing: .38em; color: rgba(255, 255, 255, .5);
  text-transform: uppercase;
}
.orbit__core b { display: block; font-size: 22px; letter-spacing: .2em; margin-bottom: 6px; color: #fff; }
@keyframes spin { to { transform: rotate(360deg); } }

.hero__scroll {
  position: absolute; left: 50%; bottom: 30px; transform: translateX(-50%);
  font-size: 10px; letter-spacing: .3em; color: rgba(255, 255, 255, .4);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.hero__scroll::after {
  content: ""; width: 1px; height: 42px;
  background: linear-gradient(rgba(255, 255, 255, .5), transparent);
  animation: drop 2.4s var(--ease) infinite;
}
@keyframes drop { 0% { transform: scaleY(.2); opacity: 0; } 40% { opacity: 1; } 100% { transform: scaleY(1); opacity: 0; } }

/* --------------------------------------------------------------------------
   Marquee
   -------------------------------------------------------------------------- */

.marquee {
  border-block: 1px solid var(--line); background: var(--paper);
  overflow: hidden; padding: 22px 0;
}
.marquee__track {
  display: flex; gap: 64px; width: max-content; animation: marquee 38s linear infinite;
}
.marquee__track span {
  font-size: 14px; letter-spacing: .22em; text-transform: uppercase; color: var(--muted);
  display: inline-flex; align-items: center; gap: 64px; white-space: nowrap;
}
.marquee__track span::after { content: "◆"; font-size: 8px; color: var(--gold); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* --------------------------------------------------------------------------
   About
   -------------------------------------------------------------------------- */

.about__grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(32px, 6vw, 96px); }
.about__sticky { position: sticky; top: 120px; align-self: start; }
.about__body p { color: var(--muted); font-size: 1.0625rem; }
.about__body .lead {
  color: var(--text); font-size: clamp(1.15rem, 1.6vw, 1.375rem);
  line-height: 1.7; font-weight: 500; margin-bottom: 24px;
}
.about__list { list-style: none; margin: 40px 0 0; padding: 0; display: grid; gap: 0; }
.about__list li {
  display: grid; grid-template-columns: 44px 1fr; gap: 18px; align-items: baseline;
  padding: 20px 0; border-top: 1px solid var(--line);
}
.about__list b { font-size: 12px; letter-spacing: .16em; color: var(--gold); font-weight: 600; }
.about__list span { color: var(--text); font-size: 15px; }
.about__sign { margin-top: 36px; display: flex; align-items: center; gap: 16px; }
.about__sign img { width: 52px; height: 52px; border-radius: 50%; }
.about__sign p { font-size: 13px; color: var(--muted); margin: 0; }
.about__sign b { display: block; color: var(--text); font-size: 14px; }

/* --------------------------------------------------------------------------
   Capabilities
   -------------------------------------------------------------------------- */

.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin-top: 64px; }
.card {
  background: var(--paper); padding: 40px 32px 44px; position: relative;
  transition: background .4s var(--ease), transform .4s var(--ease);
  min-height: 300px; display: flex; flex-direction: column;
}
.card:hover { background: #fff; }
.card__num { font-size: 12px; letter-spacing: .18em; color: var(--gold); }
.card h3 { font-size: 1.3rem; margin: 42px 0 16px; }
.card p { color: var(--muted); font-size: 14.5px; line-height: 1.8; }
.card__icon { margin-top: auto; padding-top: 28px; color: var(--text); opacity: .55; }
.card__icon svg { width: 30px; height: 30px; }
.card:hover .card__icon { opacity: 1; color: var(--gold); }

/* --------------------------------------------------------------------------
   Solutions
   -------------------------------------------------------------------------- */

.solutions { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 64px; }
.solution {
  position: relative; overflow: hidden; border-radius: var(--radius);
  padding: 44px 40px; background: #fff; border: 1px solid var(--line);
  transition: transform .5s var(--ease), box-shadow .5s var(--ease), border-color .5s;
  display: flex; flex-direction: column; min-height: 260px;
}
.solution:hover { transform: translateY(-6px); box-shadow: 0 40px 70px -50px rgba(6, 9, 15, .55); border-color: transparent; }
.solution__tag {
  font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--gold);
  margin-bottom: auto;
}
.solution h3 { font-size: 1.5rem; margin: 26px 0 14px; }
.solution p { color: var(--muted); font-size: 15px; line-height: 1.8; max-width: 46ch; }
.solution__arrow {
  position: absolute; right: 36px; top: 40px; width: 40px; height: 40px;
  border: 1px solid var(--line); border-radius: 50%; display: grid; place-items: center;
  transition: background .4s, color .4s, border-color .4s, transform .4s var(--ease);
}
.solution:hover .solution__arrow { background: var(--navy); color: #fff; border-color: var(--navy); transform: rotate(45deg); }
.solution__arrow svg { width: 14px; height: 14px; }

/* --------------------------------------------------------------------------
   Metrics
   -------------------------------------------------------------------------- */

.metrics { background: var(--navy); color: #fff; position: relative; overflow: hidden; }
.metrics::after {
  content: ""; position: absolute; inset: auto -10% -60% 40%; height: 520px;
  background: radial-gradient(circle, rgba(200, 161, 90, .16), transparent 60%);
  pointer-events: none;
}
.metrics__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; position: relative; z-index: 2; }
.metric { border-left: 1px solid rgba(255, 255, 255, .12); padding-left: 28px; }
.metric b {
  display: block; font-size: clamp(2.4rem, 4vw, 3.4rem); font-weight: 500;
  letter-spacing: -0.03em; line-height: 1; color: #fff;
}
.metric b i { font-style: normal; color: var(--gold); font-size: .5em; vertical-align: super; margin-left: 2px; }
.metric > span { display: block; margin-top: 14px; font-size: 13.5px; color: rgba(255, 255, 255, .58); letter-spacing: .04em; }
.metric b > span { display: inline; font-size: inherit; color: inherit; margin: 0; }

/* --------------------------------------------------------------------------
   Cases
   -------------------------------------------------------------------------- */

.cases { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 64px; }
.case { display: block; }
.case__thumb {
  aspect-ratio: 4 / 3; border-radius: 14px; overflow: hidden; position: relative;
  background: linear-gradient(145deg, #16213a, #0a1122);
  display: grid; place-items: center; isolation: isolate;
}
.case__thumb::before {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, .14) 1px, transparent 1px);
  background-size: 18px 18px; opacity: .5;
}
.case__thumb span {
  position: relative; font-size: clamp(3rem, 5vw, 4.4rem); font-weight: 300;
  color: rgba(255, 255, 255, .9); letter-spacing: -0.04em; font-family: var(--font-display);
}
.case:nth-child(2) .case__thumb { background: linear-gradient(145deg, #59452a, #1a1309); }
.case:nth-child(3) .case__thumb { background: linear-gradient(145deg, #1d3b3a, #08161a); }
.case__thumb::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(0, 0, 0, .55));
  opacity: 0; transition: opacity .5s;
}
.case:hover .case__thumb::after { opacity: 1; }
.case__tags { display: flex; gap: 8px; margin: 22px 0 12px; flex-wrap: wrap; }
.case__tags span {
  font-size: 11px; letter-spacing: .1em; padding: 5px 10px; border-radius: 999px;
  border: 1px solid var(--line); color: var(--muted);
}
.case h3 { font-size: 1.2rem; transition: color .3s; }
.case:hover h3 { color: #8a6a2f; }
.case p { color: var(--muted); font-size: 14px; margin-top: 10px; }

/* --------------------------------------------------------------------------
   News
   -------------------------------------------------------------------------- */

.news { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 60px; }
.post-card {
  display: flex; flex-direction: column; padding-top: 26px; border-top: 1px solid var(--line);
  transition: border-color .4s;
}
.post-card:hover { border-color: var(--gold); }
.post-card time { font-size: 12px; letter-spacing: .14em; color: var(--muted); text-transform: uppercase; }
.post-card h3 { font-size: 1.15rem; margin: 16px 0 12px; line-height: 1.5; }
.post-card p { color: var(--muted); font-size: 14px; flex: 1; }
.post-card__more { margin-top: 24px; font-size: 13px; color: var(--gold); display: inline-flex; align-items: center; gap: 8px; }

/* --------------------------------------------------------------------------
   CTA
   -------------------------------------------------------------------------- */

.cta {
  position: relative; overflow: hidden; background: var(--paper-2);
  border-top: 1px solid var(--line);
}
.cta__inner { text-align: center; padding: clamp(72px, 9vw, 120px) 0; position: relative; z-index: 2; }
.cta h2 {
  font-size: clamp(2rem, 4.4vw, 3.6rem); letter-spacing: -0.03em; line-height: 1.15;
  max-width: 18ch; margin: 0 auto 24px;
}
.cta p { color: var(--muted); max-width: 44ch; margin: 0 auto 40px; }
.cta__actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.site-footer { background: var(--ink); color: rgba(255, 255, 255, .62); padding: 80px 0 32px; }
.footer__top { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 48px; padding-bottom: 64px; border-bottom: 1px solid rgba(255, 255, 255, .1); }
.footer__brand .brand { margin-bottom: 22px; }
.footer__brand p { font-size: 14px; line-height: 1.9; max-width: 32ch; }
.footer__col h4 { font-size: 12px; letter-spacing: .2em; text-transform: uppercase; color: rgba(255, 255, 255, .95); margin-bottom: 22px; }
.footer__col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.footer__col a, .footer__col li { font-size: 14px; }
.footer__col a:hover { color: var(--gold-soft); }
.footer__bottom { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding-top: 28px; font-size: 12.5px; color: rgba(255, 255, 255, .4); }

/* --------------------------------------------------------------------------
   Page hero / prose
   -------------------------------------------------------------------------- */

.page-hero {
  background: radial-gradient(100% 120% at 80% 0%, #1b2b4d 0%, #0a1122 55%, #06090f 100%);
  color: #fff; padding: 180px 0 96px; position: relative; overflow: hidden;
}
.page-hero::before {
  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: 72px 72px;
  mask-image: linear-gradient(#000, transparent 85%);
  -webkit-mask-image: linear-gradient(#000, transparent 85%);
}
.page-hero__inner { position: relative; z-index: 2; }
.page-hero h1 { font-size: clamp(2.1rem, 4.6vw, 3.6rem); letter-spacing: -0.03em; margin-bottom: 22px; }
.page-hero p { color: rgba(255, 255, 255, .62); max-width: 52ch; font-size: 1.0625rem; }
.breadcrumb { font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: rgba(255, 255, 255, .45); margin-bottom: 28px; display: flex; gap: 10px; flex-wrap: wrap; }
.breadcrumb a:hover { color: #fff; }

.prose { font-size: 1.0625rem; color: var(--text); }
.prose > * + * { margin-top: 1.4em; }
.prose h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); margin-top: 2.2em; letter-spacing: -0.02em; }
.prose h3 { font-size: 1.3rem; margin-top: 1.9em; }
.prose p { color: var(--muted); }
.prose strong { color: var(--text); }
.prose a { color: #8a6a2f; border-bottom: 1px solid rgba(138, 106, 47, .35); }
.prose ul, .prose ol { color: var(--muted); padding-left: 1.2em; display: grid; gap: .5em; }
.prose blockquote {
  margin: 2em 0; padding: 6px 0 6px 28px; border-left: 2px solid var(--gold);
  font-size: 1.2rem; color: var(--text); font-family: var(--font-display);
}
.prose img { border-radius: 14px; }
.prose table { width: 100%; border-collapse: collapse; font-size: 15px; }
.prose th, .prose td { padding: 14px 16px; border-bottom: 1px solid var(--line); text-align: left; }
.prose th { font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }

/* --------------------------------------------------------------------------
   Inner page blocks
   -------------------------------------------------------------------------- */

.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 88px); align-items: center; }
.split__media {
  aspect-ratio: 4 / 5; border-radius: 18px; overflow: hidden; position: relative;
  background: radial-gradient(120% 90% at 20% 10%, #24365a, #0a1122 70%);
  display: grid; place-items: center;
}
.split__media::before {
  content: ""; position: absolute; inset: 12%;
  border: 1px dashed rgba(255, 255, 255, .18); border-radius: 50%;
  animation: spin 60s linear infinite;
}
.split__media b {
  position: relative; color: rgba(255, 255, 255, .92); font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-family: var(--font-display); font-weight: 400; letter-spacing: .02em; text-align: center;
  padding: 0 24px; line-height: 1.4;
}

.split__media--wide { aspect-ratio: 5 / 4; }
.split__media__inner { position: relative; text-align: center; }
.split__media .num {
  display: block; font-family: var(--font-display); font-size: clamp(2.8rem, 5vw, 4.2rem);
  line-height: 1; color: var(--gold-soft); margin-bottom: 16px;
}
.split__media .lbl {
  display: block; font-size: 11px; letter-spacing: .3em; text-transform: uppercase;
  color: rgba(255, 255, 255, .62);
}

.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.value { background: var(--paper); padding: 40px 32px; }
.value h3 { font-size: 1.15rem; margin-bottom: 12px; }
.value p { color: var(--muted); font-size: 14.5px; }
.value__num { font-family: var(--font-display); font-size: 2rem; color: var(--gold); margin-bottom: 24px; display: block; }

.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { display: grid; grid-template-columns: 120px 1fr; gap: 32px; padding: 32px 0; border-top: 1px solid var(--line); }
.timeline time { font-family: var(--font-display); font-size: 1.5rem; color: var(--gold); }
.timeline h3 { font-size: 1.1rem; margin-bottom: 8px; }
.timeline p { color: var(--muted); font-size: 15px; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(40px, 7vw, 96px); align-items: start; }
.contact-info { display: grid; gap: 2px; background: var(--line); border: 1px solid var(--line); }
.contact-info__item { background: var(--paper); padding: 26px 28px; }
.contact-info__item span { display: block; font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.contact-info__item strong { font-size: 1.0625rem; font-weight: 500; line-height: 1.6; }
.contact-info__item a:hover { color: var(--gold); }

.form { display: grid; gap: 18px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: grid; gap: 8px; }
.field label { font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.field input, .field textarea, .field select {
  width: 100%; padding: 14px 16px; border: 1px solid var(--line); border-radius: 10px;
  background: #fff; font: inherit; font-size: 15px; color: var(--text);
  transition: border-color .3s, box-shadow .3s;
}
.field textarea { min-height: 150px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(200, 161, 90, .16);
}
.notice {
  padding: 16px 20px; border-radius: 10px; font-size: 14px; margin-bottom: 8px;
  background: rgba(200, 161, 90, .12); border: 1px solid rgba(200, 161, 90, .35); color: #6b5220;
}
.notice--error { background: rgba(190, 60, 60, .08); border-color: rgba(190, 60, 60, .3); color: #9b2c2c; }

/* --------------------------------------------------------------------------
   Archive / single
   -------------------------------------------------------------------------- */

.post-list { display: grid; gap: 0; }
.post-item { display: grid; grid-template-columns: 160px 1fr; gap: 40px; padding: 44px 0; border-top: 1px solid var(--line); transition: padding-left .4s var(--ease); }
.post-item:hover { padding-left: 12px; }
.post-item time { font-size: 12px; letter-spacing: .14em; color: var(--muted); text-transform: uppercase; padding-top: 8px; }
.post-item h2 { font-size: clamp(1.25rem, 2.2vw, 1.6rem); margin-bottom: 12px; }
.post-item h2 a:hover { color: #8a6a2f; }
.post-item p { color: var(--muted); font-size: 15px; max-width: 68ch; }
.post-item__meta { margin-top: 14px; font-size: 12.5px; color: var(--muted); display: flex; gap: 14px; }

.article { padding: clamp(56px, 8vw, 96px) 0; }
.article__head { max-width: 780px; margin: 0 auto 48px; text-align: center; }
.article__head h1 { font-size: clamp(1.8rem, 3.6vw, 2.8rem); letter-spacing: -0.025em; margin-bottom: 22px; }
.article__meta { font-size: 13px; color: var(--muted); display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.article__body { max-width: 720px; margin: 0 auto; }
.article__foot { max-width: 720px; margin: 64px auto 0; padding-top: 32px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

.pagination { margin-top: 56px; display: flex; gap: 10px; flex-wrap: wrap; }
.pagination .page-numbers {
  min-width: 44px; height: 44px; padding: 0 14px; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line); border-radius: 999px; font-size: 14px; transition: background .3s, color .3s;
}
.pagination .page-numbers:hover, .pagination .page-numbers.current { background: var(--navy); color: #fff; border-color: var(--navy); }

/* --------------------------------------------------------------------------
   Reveal animation
   -------------------------------------------------------------------------- */

[data-reveal] {
  opacity: 0; transform: translateY(26px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
  will-change: opacity, transform;
}
[data-reveal].is-in { opacity: 1; transform: none; }
[data-reveal-delay="1"] { transition-delay: .08s; }
[data-reveal-delay="2"] { transition-delay: .16s; }
[data-reveal-delay="3"] { transition-delay: .24s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 1080px) {
  .hero__grid { grid-template-columns: 1fr; gap: 56px; }
  .orbit { max-width: 420px; margin-inline: auto; width: 100%; }
  .hero { min-height: auto; padding-top: 130px; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .metrics__grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .cases, .news { grid-template-columns: repeat(2, 1fr); }
  .footer__top { grid-template-columns: 1fr 1fr; }
  .about__grid { grid-template-columns: 1fr; }
  .about__sticky { position: static; }
  .values { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .split__media { max-width: 420px; margin-inline: auto; width: 100%; }
}

@media (max-width: 860px) {
  .nav, .header-cta .btn { display: none; }
  .nav-toggle { display: block; }
  .site-header { background: rgba(6, 9, 15, .92); backdrop-filter: blur(14px); border-bottom-color: var(--line-dark); }
  .site-header__inner { height: 72px; }

  body.nav-open .nav {
    display: block; position: fixed; inset: 72px 0 0; background: var(--ink);
    padding: 32px 24px; overflow-y: auto;
  }
  body.nav-open .nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  body.nav-open .nav li { border-bottom: 1px solid rgba(255, 255, 255, .08); }
  body.nav-open .nav a { padding: 18px 4px; font-size: 17px; border-radius: 0; }
  body.nav-open .nav .sub-menu {
    position: static; opacity: 1; visibility: visible; transform: none;
    background: transparent; box-shadow: none; padding: 0 0 12px 16px; display: none;
  }
  body.nav-open .nav .sub-menu a { color: rgba(255, 255, 255, .62); }
  body.nav-open .nav li:hover > .sub-menu,
  body.nav-open .nav li:focus-within > .sub-menu { display: block; }
  body.nav-open .header-cta .btn { display: inline-flex; margin-top: 28px; }
  .nav-toggle { position: relative; z-index: 2; }

  .sec-title { max-width: none; }
  .cases, .news, .cards, .solutions { grid-template-columns: 1fr; }
  .card { min-height: 0; }
  .post-item { grid-template-columns: 1fr; gap: 10px; }
  .post-item time { padding-top: 0; }
  .timeline li { grid-template-columns: 1fr; gap: 8px; }
  .form__row { grid-template-columns: 1fr; }
  .page-hero { padding: 140px 0 72px; }
  .footer__top { grid-template-columns: 1fr; gap: 36px; }
  .hero__meta { gap: 28px; }
}

@media (max-width: 520px) {
  .wrap, .wrap--narrow { width: calc(100% - 40px); }
  .hero__actions .btn, .cta__actions .btn { width: 100%; }
  .metrics__grid { grid-template-columns: 1fr; }
  .metric { padding-left: 20px; }
}

/* --------------------------------------------------------------------------
   Case grid (cases page)
   -------------------------------------------------------------------------- */

.case-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.case-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 44px 40px; display: flex; flex-direction: column;
  transition: transform .5s var(--ease), box-shadow .5s var(--ease), border-color .4s;
}
.case-card:hover { transform: translateY(-5px); box-shadow: 0 40px 70px -55px rgba(6, 9, 15, .6); border-color: rgba(200, 161, 90, .45); }
.case-card__head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 30px; flex-wrap: wrap; }
.case-card__no { font-family: var(--font-display); font-size: 1.9rem; color: var(--gold); line-height: 1; }
.case-card h2 { font-size: clamp(1.15rem, 1.7vw, 1.35rem); line-height: 1.45; margin-bottom: 14px; }
.case-card p { color: var(--muted); font-size: 15px; flex: 1; }
.case-card__result {
  margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--line);
  font-size: 13px; letter-spacing: .08em; color: #8a6a2f; font-weight: 600;
}

/* --------------------------------------------------------------------------
   Search form
   -------------------------------------------------------------------------- */

.search-form__inner { display: flex; gap: 10px; }
.search-form input[type="search"] {
  flex: 1; padding: 14px 20px; border: 1px solid var(--line); border-radius: 999px;
  background: #fff; font: inherit; font-size: 15px; color: var(--text);
}
.search-form input[type="search"]:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(200, 161, 90, .16); }

/* --------------------------------------------------------------------------
   Utility
   -------------------------------------------------------------------------- */

.alignwide { max-width: 1100px; margin-inline: auto; }
.alignfull { max-width: none; }
.has-text-align-center { text-align: center; }
.wp-block-image img { border-radius: 14px; }

@media (max-width: 860px) {
  .case-grid { grid-template-columns: 1fr; }
  .case-card { padding: 32px 26px; }
  .search-form__inner { flex-direction: column; }
  .search-form .btn { width: 100%; }
}

/* Reversed split (media on the right) */
.split--reverse { direction: rtl; }
.split--reverse > * { direction: ltr; }

@media (max-width: 860px) {
  .split--reverse { direction: ltr; }
  .split__media--wide { aspect-ratio: 4 / 3; }
}

/* Eyebrow contrast on light surfaces */
.sec--paper .eyebrow,
.sec--paper2 .eyebrow,
.cta .eyebrow { color: #8a6a2f; }

/* Favicon is injected via wp_head */

/* ==========================================================================
   视觉改版 2026-11 —— 白底 + 正蓝（参考商业关系图谱的编辑式配色）
   · 底色：纯白 / 浅蓝灰面板
   · 主色：正蓝 #24417C（原金色全部替换）
   · 唯一深色锚点：#metrics 深藏蓝
   · 分割线：1px #E3E8F0
   ========================================================================== */

:root {
  --blue: #24417c;
  --blue-deep: #1a3059;
  --blue-soft: #eaeef6;
  --navy: #0a1f44;
  --paper: #ffffff;
  --paper-2: #f4f7fc;
  --ink: #0e1420;
  --text: #0e1420;
  --muted: #667085;
  --line: #e3e8f0;
  --gold: #24417c;
  --gold-soft: #7a93bd;
  --radius: 12px;
}

body { background: var(--paper); color: var(--text); }

/* ---------- 顶栏 ---------- */
.site-header { background: rgba(255, 255, 255, 0.9); border-bottom: 1px solid transparent; }
.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.96);
  border-bottom-color: var(--line);
  box-shadow: 0 1px 0 rgba(16, 24, 40, 0.04);
}
.brand { color: var(--ink); }
.brand__sub { color: #98a2b3; }
.nav a { color: #344054; }
.nav a:hover { color: var(--blue); background: var(--paper-2); }
.nav .current-menu-item > a,
.nav .current_page_item > a,
.nav .current-menu-ancestor > a { color: var(--ink); }
.nav .current-menu-item > a::after { background: var(--blue); }
.nav .sub-menu { border: 1px solid var(--line); box-shadow: 0 20px 40px -28px rgba(16, 24, 40, .35); }
.nav-toggle { border-color: var(--line); }
.nav-toggle span { background: var(--ink); }

/* ---------- 按钮 ---------- */
.btn { border-radius: 8px; }
.btn--gold { background: var(--blue); color: #fff; box-shadow: none; }
.btn--gold:hover { background: var(--blue-deep); }
.btn--ghost { border-color: #d0d5dd; color: var(--ink); }
.btn--ghost:hover { border-color: var(--ink); background: #f9fafb; }
.btn--dark { background: var(--ink); color: #fff; }
.btn--dark:hover { background: #1d2433; }
.btn--line { border-color: #d0d5dd; color: var(--ink); }
.btn--line:hover { border-color: var(--ink); }

/* ---------- 首屏 ---------- */
.hero {
  background: #fff;
  color: var(--ink);
  min-height: auto;
  padding: 172px 0 96px;
}
.hero::before { display: none; }
.hero__glow { display: none; }
.hero__eyebrow { color: var(--blue); }
.hero__eyebrow i { background: var(--blue); box-shadow: 0 0 0 4px rgba(36, 65, 124, 0.12); }
.hero h1 { color: var(--ink); }
.hero h1 em { font-family: inherit; font-style: normal; color: var(--blue); }
.hero__lede { color: var(--muted); }
.hero__meta { border-top: 1px solid var(--line); }
.hero__meta div strong { color: var(--ink); }
.hero__meta div span { color: #98a2b3; }
.hero__scroll { color: #98a2b3; }
.hero__scroll::after { background: linear-gradient(#c7d2e4, transparent); }

/* 轨道视觉：细蓝线 + 实心浅蓝核心 */
.orbit::before { border-color: rgba(36, 65, 124, 0.28); }
.orbit::after { border-color: rgba(36, 65, 124, 0.42); }
.orbit__ring--inner { border-color: rgba(36, 65, 124, 0.14); }
.orbit__dot { background: var(--blue); box-shadow: 0 0 14px 3px rgba(36, 65, 124, 0.35); }
.orbit__core {
  background: radial-gradient(circle at 34% 28%, #f1f4f9, #c9d4e4 72%);
  box-shadow: inset 0 0 0 1px rgba(36, 65, 124, 0.12), 0 24px 60px -34px rgba(36, 65, 124, 0.5);
}
.orbit__core b { color: var(--blue); }
.orbit__core span { color: #6b7a96; }

/* ---------- 跑马灯 ---------- */
.marquee { background: #fff; border-color: var(--line); }
.marquee__track span { color: #98a2b3; }
.marquee__track span::after { color: var(--blue); font-size: 7px; }

/* ---------- 区块与标题 ---------- */
.sec--paper { background: var(--paper); }
.sec--paper2 { background: var(--paper-2); }
.sec--dark { background: var(--navy); }
.eyebrow,
.sec--paper .eyebrow,
.sec--paper2 .eyebrow,
.cta .eyebrow { color: var(--blue); }
.sec--dark .eyebrow { color: #9db0d0; }
.sec-title { color: var(--ink); }
.sec-title .serif { font-family: inherit; font-style: normal; }
.sec-desc { color: var(--muted); }
.link-more { border-bottom-color: var(--blue); color: var(--blue); }
.link-more:hover { color: var(--blue-deep); }

/* ---------- 关于 ---------- */
.about__list li { border-top-color: var(--line); }
.about__list b { color: var(--blue); }
.about__sign b { color: var(--ink); }

/* ---------- 能力卡片 ---------- */
.cards { background: var(--line); border-color: var(--line); }
.card { background: #fff; }
.card:hover { background: #fbfcff; }
.card__num { color: var(--blue); }
.card h3 { color: var(--ink); }
.card__icon { color: #98a2b3; }
.card:hover .card__icon { color: var(--blue); }

/* ---------- 解决方案 ---------- */
.solution { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.solution:hover { border-color: #c2cddf; box-shadow: 0 24px 48px -34px rgba(16, 24, 40, 0.28); }
.solution__tag { color: var(--blue); }
.solution__arrow { border-color: var(--line); }
.solution:hover .solution__arrow { background: var(--blue); border-color: var(--blue); }

/* ---------- 指标条（唯一深色锚点） ---------- */
.metrics { background: var(--navy); }
.metrics::after { background: radial-gradient(circle, rgba(36, 65, 124, 0.28), transparent 62%); }
.metric { border-left-color: rgba(255, 255, 255, 0.14); }
.metric b { color: #fff; }
.metric b i { color: #93a9cc; }
.metric > span { color: rgba(255, 255, 255, 0.58); }

/* ---------- 案例 ---------- */
.case__thumb { background: #fff; border: 1px solid var(--line); }
.case__thumb::before {
  background-image: radial-gradient(rgba(36, 65, 124, 0.18) 1px, transparent 1px);
  opacity: .7;
}
.case__thumb span { color: var(--blue); font-family: inherit; font-weight: 600; }
.case:nth-child(2) .case__thumb,
.case:nth-child(3) .case__thumb { background: #fff; }
.case__thumb::after { background: linear-gradient(180deg, transparent 62%, rgba(36, 65, 124, 0.08)); }
.case h3 { color: var(--ink); }
.case:hover h3 { color: var(--blue); }
.case__tags span { border-color: var(--line); color: var(--muted); }

/* ---------- 新闻 ---------- */
.post-card { border-top-color: var(--line); }
.post-card:hover { border-color: var(--blue); }
.post-card time { color: #98a2b3; }
.post-card h3 { color: var(--ink); }
.post-card__more { color: var(--blue); }

/* ---------- CTA ---------- */
.cta { background: var(--paper-2); border-top: 1px solid var(--line); }
.cta h2 { color: var(--ink); }
.cta p { color: var(--muted); }

/* ---------- 页脚 ---------- */
.site-footer { background: #f7f9fc; color: var(--muted); border-top: 1px solid var(--line); }
.site-footer .brand { color: var(--ink); }
.footer__top { border-bottom-color: var(--line); }
.footer__col h4 { color: var(--ink); }
.footer__col a:hover { color: var(--blue); }
.footer__bottom { color: #98a2b3; }

/* ---------- 内页头图 ---------- */
.page-hero {
  background: #fff;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  padding: 160px 0 76px;
}
.page-hero::before { display: none; }
.page-hero h1 { color: var(--ink); }
.page-hero p { color: var(--muted); }
.page-hero .eyebrow { color: var(--blue); }
.breadcrumb { color: #98a2b3; }
.breadcrumb a:hover { color: var(--blue); }

/* ---------- 内容页组件 ---------- */
.prose a { color: var(--blue); border-bottom-color: rgba(36, 65, 124, 0.3); }
.prose blockquote { border-left-color: var(--blue); }
.values { background: var(--line); border-color: var(--line); }
.value { background: #fff; }
.value__num { color: var(--blue); font-family: inherit; font-weight: 600; }
.timeline li { border-top-color: var(--line); }
.timeline time { color: var(--blue); font-family: inherit; font-weight: 600; }
.contact-info { background: var(--line); border-color: var(--line); }
.contact-info__item { background: #fff; }
.form .btn { background: var(--blue); color: #fff; }
.field input, .field textarea, .field select { border-color: #d0d5dd; border-radius: 8px; }
.field input:focus, .field textarea:focus, .field select:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(36, 65, 124, 0.14);
}
.notice { background: var(--blue-soft); border-color: #c2cddf; color: #24417C; }

/* ---------- 案例页 / 方案页 ---------- */
.case-card { background: #fff; border-color: var(--line); border-radius: var(--radius); }
.case-card__no { color: var(--blue); font-family: inherit; font-weight: 600; }
.case-card__result { color: var(--blue); border-top-color: var(--line); }
.case-card:hover { border-color: #c2cddf; }
.split__media { background: radial-gradient(120% 90% at 20% 10%, #f1f4f9, #d2dbe8 72%); }
.split__media::before { border-color: rgba(36, 65, 124, 0.22); }
.split__media .num { color: var(--blue); font-family: inherit; font-weight: 600; }
.split__media .lbl { color: #6b7a96; }
.split__media b { color: var(--blue); }

/* ---------- 归档 / 文章 ---------- */
.post-item { border-top-color: var(--line); }
.post-item h2 a:hover { color: var(--blue); }
.pagination .page-numbers:hover,
.pagination .page-numbers.current { background: var(--blue); border-color: var(--blue); }
.article__meta { color: #98a2b3; }
.article__foot { border-top-color: var(--line); }

/* ---------- 移动端抽屉 ---------- */
@media (max-width: 860px) {
  /* 必须去掉 backdrop-filter：它会成为 fixed 子元素的包含块，
     导致菜单面板被限制在顶栏高度内（只有几十像素）。 */
  .site-header,
  .site-header.is-scrolled {
    background: #fff;
    border-bottom-color: var(--line);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
  body.nav-open .site-header { background: #fff; border-bottom-color: var(--line); }
  body.nav-open .nav { background: #fff; }
  /* 移动端顶栏不再塞 CTA 按钮，避免与关闭按钮挤在一行；菜单里已有「联系我们」 */
  .header-cta .btn,
  body.nav-open .header-cta .btn { display: none; }
  body.nav-open .nav li { border-bottom-color: var(--line); }
  body.nav-open .nav a { color: var(--ink); }
  body.nav-open .nav .sub-menu a { color: var(--muted); }
}

/* 转载来源说明块 */
.post-source {
  margin-top: 44px;
  padding: 20px 24px;
  border-left: 3px solid var(--blue);
  background: var(--paper-2);
  border-radius: 8px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}
.post-source p { margin: 0 0 6px; }
.post-source p:last-child { margin-bottom: 0; }
.post-source a { color: var(--blue); word-break: break-all; border-bottom: 1px solid rgba(36,65,124,.3); }

/* ---------- 站点 LOGO：浅底用深色版，深色底用白色版 ---------- */
.brand { display: inline-flex; align-items: center; }
.brand__logo { display: block; width: auto; height: 54px; }
.brand__logo--on-dark { display: none; }
.site-header .brand__logo { transition: height .4s var(--ease); }
.site-header.is-scrolled .brand__logo { height: 44px; }
.site-footer .brand__logo { height: 50px; }

/* 深色背景容器（.sec--dark / .on-dark）内自动切换为白色版 */
.sec--dark .brand__logo--on-light,
.on-dark .brand__logo--on-light { display: none; }
.sec--dark .brand__logo--on-dark,
.on-dark .brand__logo--on-dark { display: block; }

@media (max-width: 860px) {
  .site-header .brand__logo { height: 40px; }
  .site-footer .brand__logo { height: 42px; }
}

/* ---------- 页脚：对齐 Ant Group 深藏蓝（#0C1F3A） ---------- */
.site-footer {
  background: #0c1f3a;
  color: rgba(255, 255, 255, 0.65);
  border-top: 0;
}
.site-footer .brand { color: #fff; }
.site-footer .brand__logo--on-light { display: none; }
.site-footer .brand__logo--on-dark { display: block; }
.footer__brand p { color: rgba(255, 255, 255, 0.65); }
.footer__top { border-bottom-color: rgba(255, 255, 255, 0.15); }
.footer__col h4 { color: #ffffff; }
.footer__col a,
.footer__col li { color: rgba(255, 255, 255, 0.65); }
.footer__col a:hover { color: #ffffff; }
.footer__bottom {
  color: rgba(255, 255, 255, 0.45);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

/* ---------- 页脚社交图标 + 公众号二维码 ---------- */
.social { display: flex; gap: 10px; margin-top: 26px; }
.social__item {
  position: relative;
  background: transparent;
  padding: 0;
  cursor: pointer;
  font: inherit;
  width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 50%;
  color: #fff;
  transition: background .25s var(--ease), border-color .25s, color .25s;
}
.social__item:hover,
.social__item:focus-visible,
.social__item:focus-within {
  background: #fff;
  border-color: #fff;
  color: #0c1f3a;
  outline: none;
}
.social__icon { width: 20px; height: 20px; display: block; }

.social__pop {
  position: absolute;
  left: 50%; bottom: calc(100% + 14px);
  transform: translate(-50%, 6px);
  width: 186px;
  padding: 14px 14px 10px;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 24px 48px -24px rgba(0, 0, 0, .55);
  text-align: center;
  opacity: 0; visibility: hidden;
  transition: opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
  pointer-events: none;
  z-index: 30;
}
.social__pop::after {
  content: "";
  position: absolute;
  left: 50%; top: 100%;
  width: 12px; height: 12px;
  background: #fff;
  transform: translate(-50%, -6px) rotate(45deg);
  border-radius: 2px;
}
.social__pop img {
  width: 150px; height: 150px; display: block; margin: 0 auto;
  border-radius: 4px;
}
.social__pop em {
  display: block; margin-top: 8px;
  font-style: normal; font-size: 12.5px; letter-spacing: .02em;
  color: #4e5969; white-space: nowrap;
}
.social__item:hover .social__pop,
.social__item:focus .social__pop,
.social__item:focus-within .social__pop {
  opacity: 1; visibility: visible;
  transform: translate(-50%, 0);
}

@media (max-width: 860px) {
  .social__pop { left: 0; transform: translate(0, 6px); }
  .social__item:hover .social__pop,
  .social__item:focus .social__pop,
  .social__item:focus-within .social__pop { transform: translate(0, 0); }
  .social__pop::after { left: 20px; }
}

/* ==========================================================================
   首页首屏：通栏图片 + 左侧渐变（2026-11）
   ========================================================================== */
body.is-front .hero {
  background-image:
    linear-gradient(90deg, rgba(6, 11, 22, .74) 0%, rgba(6, 11, 22, .46) 38%, rgba(6, 11, 22, 0) 62%),
    url('../img/top-banner.jpg');
  background-size: cover;
  background-position: center 42%;
  background-repeat: no-repeat;
  color: #fff;
  min-height: 88vh;
  display: flex;
  align-items: center;
  padding: 150px 0 90px;
}
body.is-front .hero::before { display: none; }
body.is-front .hero__glow { display: none; }
body.is-front .hero__grid {
  grid-template-columns: 1fr;
  text-align: left;
  justify-items: start;
  position: relative;
  z-index: 2;
}
body.is-front .hero__visual { display: none; }
body.is-front .hero h1 {
  color: #fff;
  text-shadow: 0 2px 28px rgba(0, 0, 0, .35);
}
body.is-front .hero h1 em { color: #fff; font-style: normal; }
body.is-front .hero__lede {
  color: rgba(255, 255, 255, .92);
  margin-inline: 0;
  max-width: 28em;
}
body.is-front .hero__actions { justify-content: flex-start; }
body.is-front .hero__meta {
  border-top-color: rgba(255, 255, 255, .3);
  justify-content: flex-start;
  gap: 48px;
  max-width: 700px;
}
body.is-front .hero__meta div strong { color: #fff; }
body.is-front .hero__meta div span { color: rgba(255, 255, 255, .66); }
body.is-front .hero__scroll { color: rgba(255, 255, 255, .6); }
body.is-front .hero__scroll::after { background: linear-gradient(rgba(255, 255, 255, .55), transparent); }

/* 首屏按钮：线框样式 */
.btn--outline {
  background: transparent;
  border-color: rgba(255, 255, 255, .65);
  color: #fff;
}
.btn--outline:hover {
  background: #fff;
  border-color: #fff;
  color: #24417c;
}

/* 顶栏：首屏未滚动时透明 + 白字 */
body.is-front .site-header:not(.is-scrolled) {
  background: transparent;
  border-bottom-color: transparent;
  box-shadow: none;
}
body.is-front .site-header:not(.is-scrolled) .brand__logo--on-light { display: none; }
body.is-front .site-header:not(.is-scrolled) .brand__logo--on-dark { display: block; }
body.is-front .site-header:not(.is-scrolled) .nav a { color: rgba(255, 255, 255, .9); }
body.is-front .site-header:not(.is-scrolled) .nav a:hover {
  background: rgba(255, 255, 255, .14);
  color: #fff;
}
body.is-front .site-header:not(.is-scrolled) .nav .current-menu-item > a,
body.is-front .site-header:not(.is-scrolled) .nav .current_page_item > a { color: #fff; }
body.is-front .site-header:not(.is-scrolled) .nav .current-menu-item > a::after { background: #fff; }
body.is-front .site-header:not(.is-scrolled) .nav-toggle { border-color: rgba(255, 255, 255, .5); }
body.is-front .site-header:not(.is-scrolled) .nav-toggle span { background: #fff; }
body.is-front .site-header:not(.is-scrolled) .header-cta .btn {
  background: transparent;
  border-color: rgba(255, 255, 255, .65);
  color: #fff;
}
body.is-front .site-header:not(.is-scrolled) .header-cta .btn:hover {
  background: #fff;
  border-color: #fff;
  color: #24417c;
}

/* 移动端：首屏透明顶栏 */
@media (max-width: 860px) {
  body.is-front .site-header:not(.is-scrolled) { background: transparent; }
  body.is-front .site-header:not(.is-scrolled) .nav-toggle { border-color: rgba(255, 255, 255, .55); }
  body.is-front .site-header:not(.is-scrolled) .nav-toggle span { background: #fff; }
  body.is-front .hero {
    min-height: 84vh;
    padding: 120px 0 72px;
    background-position: center 55%;
    /* 移动端：渐变覆盖到右侧，保证窄屏文字可读 */
    background-image:
      linear-gradient(90deg, rgba(6, 11, 22, .88) 0%, rgba(6, 11, 22, .62) 55%, rgba(6, 11, 22, .46) 100%),
      url('../img/top-banner.jpg');
  }
  body.is-front .hero__meta { gap: 28px; }
  body.is-front .hero__actions .btn { width: 100%; }
}

/* 首屏不再显示滚动提示（避免与数据条重叠） */
body.is-front .hero__scroll { display: none; }

/* ---------- 客户 LOGO 墙 ---------- */
.clients-section { border-top: 1px solid var(--line); }
.clients-section .sec-head { align-items: flex-end; }
.client-regions { margin-top: 56px; border-top: 1px solid var(--line); }
.client-region {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  align-items: center;
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
}
.client-region h3 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--muted);
  text-transform: uppercase;
}
.client-logos { display: flex; flex-wrap: wrap; gap: 14px; }
.client-logo {
  width: 176px;
  height: 92px;
  padding: 12px 14px;
  display: grid;
  place-items: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 18px;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease), transform .3s var(--ease);
}
.client-logo img {
  max-width: 148px;
  max-height: 46px;
  width: auto;
  object-fit: contain;
  filter: grayscale(1);
  opacity: .62;
  transition: filter .3s var(--ease), opacity .3s var(--ease);
}
.client-logo:hover {
  border-color: #c2cddf;
  box-shadow: 0 16px 32px -26px rgba(16, 24, 40, .45);
  transform: translateY(-2px);
}
.client-logo:hover img { filter: none; opacity: 1; }

@media (max-width: 860px) {
  .client-region { grid-template-columns: 1fr; gap: 18px; padding: 26px 0; }
  .client-logo { width: calc(50% - 9px); height: 68px; padding: 12px; }
  .client-logo img { max-height: 38px; max-width: 130px; }
}

/* ---------- 指标区：世界地图背景 ---------- */
.metrics { position: relative; overflow: hidden; }
.metrics::before {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  width: 104%; height: auto;
  aspect-ratio: 1000 / 432;
  transform: translate(-50%, -50%);
  background: url("../img/world-map.svg?v=20261111b") center center / contain no-repeat;
  opacity: .5;
  -webkit-mask-image: radial-gradient(75% 75% at 50% 50%, #000 55%, transparent 100%);
  mask-image: radial-gradient(75% 75% at 50% 50%, #000 55%, transparent 100%);
  pointer-events: none;
  z-index: 0;
}
.metrics .wrap { position: relative; z-index: 2; }
.metrics__legend {
  margin: 34px 0 0;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  font-size: 13px;
  letter-spacing: .04em;
  color: rgba(255, 255, 255, .5);
}
@media (max-width: 860px) {
  .metrics::before { width: 215%; opacity: .5; background-position: 82% 50%; }
  .metrics__legend { font-size: 12px; line-height: 1.9; }
}