/* ==========================================================================
   site.css —— 前台页面组件：Header / Hero / 各首页区块 / 栏目页 / Footer
   ========================================================================== */

body { padding-top: 0; }

/* ============================== Header ================================= */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: height var(--dur) var(--ease), background var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.site-header__inner {
  display: flex;
  align-items: center;
  gap: 24px;
  width: min(100% - 48px, 1560px);
  margin-inline: auto;
}

/* 透明头（压在一屏之上）时用白字 */
.site-header--over { color: #fff; }
.site-header--over .nav-link { color: rgba(255, 255, 255, .92); }
.site-header--over .brand-name { color: #fff; }
.site-header--over .brand-sub { color: rgba(255, 255, 255, .68); }
.site-header--over .lang-switch { border-color: rgba(255, 255, 255, .35); }
.site-header--over .lang-switch a { color: rgba(255, 255, 255, .8); }
.site-header--over .lang-switch a.is-active { background: #fff; color: var(--brand); }
.site-header--over .header-phone { color: #fff; }
.site-header--over .header-phone small { color: rgba(255, 255, 255, .7); }

/* 滚动后：吸顶白底 + 阴影 */
.site-header.is-stuck {
  height: var(--header-h-compact);
  background: rgba(255, 255, 255, .94);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  box-shadow: 0 1px 0 var(--line), 0 8px 26px rgba(15, 42, 90, .07);
  border-bottom-color: var(--line);
}
.site-header.is-stuck .nav-link { color: var(--ink-2); }
.site-header.is-stuck .brand-name { color: var(--ink); }
.site-header.is-stuck .brand-sub { color: var(--muted-2); }
.site-header.is-stuck .lang-switch { border-color: var(--line); }
.site-header.is-stuck .lang-switch a { color: var(--muted); }
.site-header.is-stuck .lang-switch a.is-active { background: var(--brand); color: #fff; }
.site-header.is-stuck .header-phone { color: var(--brand); }
.site-header.is-stuck .header-phone small { color: var(--muted); }

/* 品牌 */
.brand { display: flex; align-items: center; gap: 11px; flex: none; }
.brand img { height: 36px; width: auto; }
.brand__mark {
  width: 38px; height: 38px; border-radius: 10px;
  background: var(--brand);
  display: grid; place-items: center;
  color: #fff; font-weight: 800; font-size: 19px;
  box-shadow: 0 6px 16px rgba(27, 95, 217, .32);
  flex: none;
}
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-size: 18px; font-weight: 800; letter-spacing: -.01em; color: var(--ink); }
.brand-sub { font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted-2); }

/* 导航 */
.nav { margin-left: auto; }
.nav-list { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav-item { position: relative; }
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 10px 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-2);
  border-radius: var(--radius-sm);
  position: relative;
  white-space: nowrap;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 4px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease);
}
.nav-link:hover { color: var(--brand); }
.nav-link:hover::after, .nav-link.is-active::after { transform: scaleX(1); }
.nav-link.is-active { color: var(--brand); font-weight: 600; }
.nav-link .caret { width: 10px; height: 10px; opacity: .6; transition: transform var(--dur) var(--ease); }
.nav-item:hover .caret { transform: rotate(180deg); }

/* 下拉子菜单 */
.nav-drop {
  position: absolute;
  top: calc(100% + 8px);
  left: 8px;
  min-width: 210px;
  padding: 10px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  list-style: none;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility var(--dur);
}
.nav-item:hover .nav-drop,
.nav-item:focus-within .nav-drop { opacity: 1; visibility: visible; transform: none; }
.nav-drop a {
  display: block;
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  color: var(--ink-2);
  font-size: 14.5px;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}
.nav-drop a:hover { background: var(--brand-soft); color: var(--brand); padding-left: 20px; }

/* 头部右侧 */
.header-tools { display: flex; align-items: center; gap: 18px; flex: none; }

.lang-switch {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  padding: 3px;
  gap: 2px;
}
.lang-switch a {
  padding: 4px 12px;
  font-size: 12.5px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  color: var(--muted);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.lang-switch a.is-active { background: var(--brand); color: #fff; }
.lang-switch a:hover { color: var(--brand); }
.lang-switch a.is-active:hover { color: #fff; }

.header-phone {
  display: flex; align-items: center; gap: 9px;
  font-weight: 700; font-size: 15px;
  color: var(--brand);
}
.header-phone svg { width: 18px; height: 18px; flex: none; }
.header-phone small { display: block; font-size: 10.5px; font-weight: 500; letter-spacing: .02em; color: var(--muted); }

.header-cta { display: inline-flex; }

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease); }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =============================== Hero ================================== */

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--brand-deep);
  color: #fff;
  isolation: isolate;
}
.hero__media { position: absolute; inset: 0; z-index: -2; }
.hero__media img,
.hero__media video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero__media video { z-index: 1; }
.hero__media img { z-index: 0; }
.hero__overlay {
  position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(100deg, rgba(4, 14, 36, .88) 0%, rgba(6, 26, 62, .72) 42%, rgba(7, 26, 61, .38) 72%, rgba(7, 26, 61, .18) 100%),
    linear-gradient(180deg, rgba(4, 14, 36, .5) 0%, transparent 30%, transparent 62%, rgba(4, 14, 36, .68) 100%);
}
.hero__inner { width: min(100% - 48px, 1560px); margin-inline: auto; padding: calc(var(--header-h) + 60px) 0 120px; }
.hero__content { max-width: 780px; }

.hero__badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 18px;
  border: 1px solid rgba(255, 255, 255, .3);
  background: rgba(255, 255, 255, .1);
  backdrop-filter: blur(6px);
  border-radius: var(--radius-pill);
  font-size: 13px; font-weight: 600; letter-spacing: .04em;
  margin-bottom: 26px;
}
.hero__badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(249, 115, 22, .25); }

.hero__title {
  font-size: clamp(2.1rem, 4.8vw, 4rem);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -.02em;
  text-shadow: 0 2px 30px rgba(0, 0, 0, .35);
}
.hero__title em {
  font-style: normal;
  background: linear-gradient(92deg, #7FB0F7 0%, #FFFFFF 46%, #FFD9B8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__sub {
  margin-top: 24px;
  max-width: 640px;
  font-size: clamp(1rem, 1.35vw, 1.15rem);
  line-height: 1.85;
  color: rgba(255, 255, 255, .84);
}
.hero .btn-row { margin-top: 40px; }

.hero__scroll {
  position: absolute;
  left: 50%; bottom: 28px;
  transform: translateX(-50%);
  z-index: 2;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  font-size: 11px; letter-spacing: .2em; text-transform: uppercase;
  color: rgba(255, 255, 255, .6);
}
.hero__scroll i {
  width: 22px; height: 34px;
  border: 1.5px solid rgba(255, 255, 255, .45);
  border-radius: 12px;
  position: relative;
}
.hero__scroll i::after {
  content: ""; position: absolute; left: 50%; top: 7px;
  width: 3px; height: 7px; margin-left: -1.5px;
  background: rgba(255, 255, 255, .85);
  border-radius: 2px;
  animation: wheel 1.8s infinite var(--ease);
}
@keyframes wheel { 0% { opacity: 0; transform: translateY(0); } 30% { opacity: 1; } 100% { opacity: 0; transform: translateY(13px); } }

/* Hero 声音开关 */
.hero__sound {
  position: absolute;
  right: clamp(18px, 4vw, 56px);
  bottom: clamp(24px, 6vh, 58px);
  z-index: 4;
  width: 46px; height: 46px;
  display: grid; place-items: center;
  padding: 0;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .34);
  background: rgba(9, 28, 62, .38);
  color: #fff;
  cursor: pointer;
  backdrop-filter: blur(10px) saturate(140%);
  -webkit-backdrop-filter: blur(10px) saturate(140%);
  box-shadow: 0 6px 22px rgba(3, 14, 38, .3);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease),
              transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.hero__sound[hidden] { display: none; }
.hero__sound:hover {
  background: rgba(27, 95, 217, .66);
  border-color: rgba(255, 255, 255, .62);
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(3, 14, 38, .42);
}
.hero__sound:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }
.hero__sound-ico { display: grid; place-items: center; width: 21px; height: 21px; }
.hero__sound-ico svg { width: 100%; height: 100%; }
.hero__sound.is-on { background: rgba(27, 95, 217, .74); border-color: rgba(255, 255, 255, .58); }
.hero__sound.is-on::after {
  content: "";
  position: absolute; inset: -4px;
  border-radius: 50%;
  border: 1px solid rgba(142, 193, 255, .9);
  animation: soundPulse 2.4s var(--ease) infinite;
  pointer-events: none;
}
@keyframes soundPulse {
  0% { transform: scale(.88); opacity: .85; }
  70%, 100% { transform: scale(1.34); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) { .hero__sound.is-on::after { animation: none; } }

/* 文案淡入上移 */
@keyframes fadeUp { from { opacity: 0; transform: translateY(34px); } to { opacity: 1; transform: none; } }
.anim-up { opacity: 0; animation: fadeUp .95s var(--ease) forwards; animation-delay: var(--d, 0ms); }

/* ============================= 数据看板 ================================= */

.stats { position: relative; z-index: 3; margin-top: -72px; }
.stats__panel {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.stat {
  padding: 34px 22px;
  text-align: center;
  border-right: 1px solid var(--line-2);
  position: relative;
  transition: background var(--dur) var(--ease);
}
.stat:last-child { border-right: 0; }
.stat::before {
  content: "";
  position: absolute; inset: auto 0 0 0;
  height: 3px; background: var(--brand);
  transform: scaleX(0);
  transition: transform var(--dur) var(--ease);
}
.stat:hover { background: var(--brand-soft); }
.stat:hover::before { transform: scaleX(1); }
.stat__num {
  font-size: clamp(1.9rem, 3.1vw, 2.7rem);
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--brand);
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}
.stat__num .suffix { font-size: .52em; margin-left: 3px; font-weight: 700; color: var(--brand-dark); }
.stat__label { margin-top: 10px; font-size: 14px; color: var(--muted); }

/* ============================= 核心能力 ================================= */

.cap-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.cap {
  position: relative;
  padding: 34px 28px 32px;
  background: #fff;
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.cap::after {
  content: "";
  position: absolute; right: -40px; top: -40px;
  width: 120px; height: 120px; border-radius: 50%;
  background: var(--brand-light);
  opacity: 0; transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  transform: scale(.7);
}
.cap:hover { transform: translateY(-6px); border-color: var(--accent); box-shadow: 0 22px 44px rgba(15, 42, 90, .14); }
.cap:hover::after { opacity: .55; transform: scale(1); }
.cap__icon {
  position: relative; z-index: 1;
  width: 62px; height: 62px;
  border-radius: 16px;
  background: var(--brand-light);
  display: grid; place-items: center;
  margin-bottom: 22px;
  transition: background var(--dur) var(--ease);
}
.cap__icon img { width: 100%; height: 100%; border-radius: 16px; }
.cap__icon .ico { font-size: 26px; }
.cap:hover .cap__icon { background: #FFF1E6; }
.cap__title { position: relative; z-index: 1; font-size: 1.18rem; margin-bottom: 12px; }
.cap__desc { position: relative; z-index: 1; color: var(--muted); font-size: .95rem; line-height: 1.75; }
.cap__no {
  position: absolute; right: 22px; top: 18px;
  font-size: 42px; font-weight: 800; line-height: 1;
  color: var(--line);
  transition: color var(--dur) var(--ease);
}
.cap:hover .cap__no { color: #FFE3CC; }

/* ============================= 产品矩阵 ================================= */

.prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.prod {
  display: flex; flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.prod:hover { transform: translateY(-6px); border-color: rgba(27, 95, 217, .4); box-shadow: var(--shadow); }
.prod__media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--brand-soft); }
.prod__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.prod:hover .prod__media img { transform: scale(1.06); }
.prod__cat {
  position: absolute; left: 14px; top: 14px; z-index: 2;
  background: rgba(255, 255, 255, .92);
  color: var(--brand);
  font-size: 12px; font-weight: 700;
  padding: 5px 12px; border-radius: var(--radius-pill);
  backdrop-filter: blur(4px);
}
.prod__body { padding: 22px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.prod__name { font-size: 1.1rem; margin-bottom: 10px; }
.prod__tagline { color: var(--muted); font-size: .94rem; line-height: 1.7; flex: 1; }
.prod__more {
  margin-top: 18px; padding-top: 16px;
  border-top: 1px solid var(--line-2);
  display: inline-flex; align-items: center; gap: 7px;
  font-weight: 600; font-size: .92rem; color: var(--brand);
}
.prod__more::after { content: "→"; transition: transform var(--dur) var(--ease); }
.prod:hover .prod__more::after { transform: translateX(5px); }

/* ============================ 解决方案 ================================= */

.sol-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.sol {
  position: relative;
  display: block;
  border-radius: var(--radius);
  overflow: hidden;
  background: #0B2A5B;
  min-height: 300px;
  isolation: isolate;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.sol:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.sol__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; transition: transform .7s var(--ease); }
.sol:hover .sol__img { transform: scale(1.07); }
.sol__shade {
  position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(6, 22, 52, .12) 0%, rgba(6, 22, 52, .58) 52%, rgba(6, 22, 52, .9) 100%);
  transition: background var(--dur) var(--ease);
}
.sol__body { position: absolute; inset: auto 0 0 0; padding: 26px 26px 28px; color: #fff; z-index: 2; }
.sol__tag {
  display: inline-block;
  font-size: 11.5px; font-weight: 700; letter-spacing: .06em;
  color: #fff;
  background: rgba(255, 255, 255, .18);
  border: 1px solid rgba(255, 255, 255, .3);
  padding: 4px 11px; border-radius: var(--radius-pill);
  margin-bottom: 13px;
  backdrop-filter: blur(4px);
}
.sol__name { font-size: 1.24rem; margin-bottom: 9px; }
.sol__tagline {
  font-size: .92rem; line-height: 1.7; color: rgba(255, 255, 255, .82);
  max-height: 3.4em; overflow: hidden;
}
/* hover 遮罩 */
.sol__veil {
  position: absolute; inset: 0; z-index: 3;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px;
  background: linear-gradient(180deg, rgba(15, 62, 150, .82), rgba(7, 26, 61, .9));
  opacity: 0; visibility: hidden;
  transition: opacity var(--dur) var(--ease), visibility var(--dur) var(--ease);
}
.sol:hover .sol__veil { opacity: 1; visibility: visible; }
.sol__veil b {
  color: #fff; font-size: 1.15rem;
  transform: translateY(14px);
  transition: transform .42s var(--ease);
}
.sol__veil span {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  background: #fff; color: var(--brand);
  font-weight: 700; font-size: .92rem;
  transform: translateY(14px);
  transition: transform .42s var(--ease) .06s;
}
.sol:hover .sol__veil b, .sol:hover .sol__veil span { transform: none; }

/* ============================== 案例 =================================== */

.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.case {
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.case:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(249, 115, 22, .38); }
.case__media { aspect-ratio: 16 / 10; overflow: hidden; background: var(--brand-soft); }
.case__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.case:hover .case__media img { transform: scale(1.05); }
.case__body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.case__industry { margin-bottom: 12px; }
.case__name { font-size: 1.1rem; margin-bottom: 16px; }
.case__result {
  margin-top: auto;
  padding: 16px 18px;
  background: linear-gradient(135deg, #FFF7F1, #FFEFE3);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.case__result b { display: block; font-size: 1.4rem; font-weight: 800; color: var(--accent-dark); letter-spacing: -.02em; }
.case__result small { display: block; margin-top: 3px; font-size: 12.5px; color: var(--muted); }

/* ============================== 新闻 =================================== */

.news-grid { display: grid; grid-template-columns: 1.35fr 1fr; gap: 30px; align-items: stretch; }
.news-lead {
  display: flex; flex-direction: column;
  border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line);
  background: #fff;
  transition: box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.news-lead:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.news-lead__media { aspect-ratio: 16 / 9; overflow: hidden; background: var(--brand-soft); }
.news-lead__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.news-lead:hover .news-lead__media img { transform: scale(1.04); }
.news-lead__body { padding: 26px 28px 30px; }
.news-lead__title { font-size: 1.42rem; line-height: 1.45; margin: 14px 0 12px; transition: color var(--dur) var(--ease); }
.news-lead:hover .news-lead__title { color: var(--brand); }
.news-lead__sum { color: var(--muted); font-size: .96rem; }

.news-side { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.news-item {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 20px 4px;
  border-bottom: 1px solid var(--line);
  transition: padding-left var(--dur) var(--ease), background var(--dur) var(--ease);
}
.news-item:hover { padding-left: 12px; background: var(--brand-soft); }
.news-item__date {
  flex: none; width: 62px; text-align: center;
  border-right: 1px solid var(--line);
  padding-right: 12px;
}
.news-item__date b { display: block; font-size: 1.5rem; font-weight: 800; color: var(--brand); line-height: 1; letter-spacing: -.02em; }
.news-item__date small { font-size: 11.5px; color: var(--muted-2); }
.news-item__title { font-size: 1rem; line-height: 1.55; margin-bottom: 7px; transition: color var(--dur) var(--ease); }
.news-item:hover .news-item__title { color: var(--brand); }
.news-item__meta { display: flex; gap: 10px; align-items: center; font-size: 12.5px; color: var(--muted-2); }

/* ============================ 底部 CTA ================================= */

.cta-banner {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(120% 160% at 8% 0%, rgba(27, 95, 217, .55) 0%, transparent 55%),
    radial-gradient(100% 130% at 95% 100%, rgba(249, 115, 22, .3) 0%, transparent 55%),
    linear-gradient(120deg, #061A3E 0%, #0B2E6B 48%, #123E8E 100%);
  color: #fff;
  padding: clamp(58px, 7vw, 96px) 0;
}
.cta-banner::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: 64px 64px;
  mask-image: radial-gradient(80% 80% at 50% 40%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(80% 80% at 50% 40%, #000 30%, transparent 100%);
}
.cta-banner__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 48px;
  align-items: center;
}
.cta-banner h2 { color: #fff; font-size: clamp(1.6rem, 3vw, 2.4rem); }
.cta-banner p { margin-top: 16px; color: rgba(255, 255, 255, .78); max-width: 620px; }
.cta-banner__actions { display: flex; flex-direction: column; gap: 16px; }
.cta-banner__contact {
  display: flex; flex-direction: column; gap: 10px;
  padding: 22px 24px;
  border: 1px solid rgba(255, 255, 255, .22);
  background: rgba(255, 255, 255, .07);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
}
.cta-banner__contact a { color: #fff; font-weight: 600; display: flex; align-items: center; gap: 10px; }
.cta-banner__contact a:hover { color: #FFD9B8; }
.cta-banner__contact svg { width: 18px; height: 18px; opacity: .85; flex: none; }
.cta-banner__contact span { font-size: 12.5px; letter-spacing: .08em; text-transform: uppercase; color: rgba(255, 255, 255, .5); }

/* ============================== Footer ================================= */

.site-footer { background: #061530; color: rgba(255, 255, 255, .72); font-size: 14.5px; }
.site-footer__main {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr) 1.1fr;
  gap: 44px;
  padding: clamp(52px, 6vw, 76px) 0 46px;
}
.site-footer h4 {
  color: #fff; font-size: 15px; margin-bottom: 20px;
  letter-spacing: .02em;
}
.footer-brand .brand-name { color: #fff; }
.footer-brand .brand-sub { color: rgba(255, 255, 255, .5); }
.footer-brand p { margin-top: 20px; color: rgba(255, 255, 255, .6); line-height: 1.85; font-size: 14px; }
.footer-contact { margin-top: 22px; display: flex; flex-direction: column; gap: 11px; }
.footer-contact a, .footer-contact div { display: flex; align-items: flex-start; gap: 10px; color: rgba(255, 255, 255, .72); }
.footer-contact a:hover { color: #fff; }
.footer-contact svg { width: 16px; height: 16px; margin-top: 4px; opacity: .6; flex: none; }
.footer-contact .hot { font-size: 20px; font-weight: 800; color: #fff; letter-spacing: .01em; }

.footer-links { list-style: none; margin: 0; padding: 0; }
.footer-links li { margin-bottom: 12px; }
.footer-links a {
  color: rgba(255, 255, 255, .72);
  position: relative;
  padding-bottom: 2px;
}
.footer-links a::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px; background: currentColor;
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--dur) var(--ease);
}
.footer-links a:hover { color: #fff; }
.footer-links a:hover::after { transform: scaleX(1); }

.footer-qr { text-align: center; }
.footer-qr img {
  width: 122px; height: 122px;
  border-radius: var(--radius-sm);
  background: #fff; padding: 8px;
  margin: 0 auto 12px;
}
.footer-qr p { font-size: 12.5px; color: rgba(255, 255, 255, .55); }

.site-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 22px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: rgba(255, 255, 255, .5);
}
.site-footer__bottom a { color: rgba(255, 255, 255, .6); }
.site-footer__bottom a:hover { color: #fff; }
.site-footer__meta { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; }

/* ========================== 子页面：页头 =============================== */

.page-hero {
  position: relative;
  padding: calc(var(--header-h-compact) + 68px) 0 clamp(48px, 6vw, 82px);
  background:
    radial-gradient(110% 150% at 90% 0%, rgba(27, 95, 217, .14) 0%, transparent 58%),
    linear-gradient(180deg, var(--brand-soft) 0%, #fff 100%);
  border-bottom: 1px solid var(--line-2);
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(27, 95, 217, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(27, 95, 217, .05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 85%);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 85%);
}
.page-hero__inner { position: relative; }
.page-hero h1 { font-size: clamp(1.9rem, 3.6vw, 2.9rem); }
.page-hero p { margin-top: 16px; max-width: 720px; color: var(--muted); font-size: 1.03rem; }

.crumbs {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  font-size: 13px; color: var(--muted-2); margin-bottom: 18px;
}
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--brand); }
.crumbs span { opacity: .55; }

/* ========================== 子页面：筛选 =============================== */

.filters {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin-bottom: 34px;
}
.filter {
  padding: 9px 20px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: var(--radius-pill);
  font-size: 14px; font-weight: 500;
  color: var(--ink-2); cursor: pointer;
  transition: all var(--dur) var(--ease);
}
.filter:hover { border-color: var(--brand); color: var(--brand); }
.filter.is-active { background: var(--brand); border-color: var(--brand); color: #fff; box-shadow: var(--shadow-brand); }

/* ========================== 子页面：详情 =============================== */

.detail-grid { display: grid; grid-template-columns: 1fr 340px; gap: 48px; align-items: start; }
.detail-media { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: var(--brand-soft); margin-bottom: 34px; }
.detail-media img { width: 100%; }
.detail-meta { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 18px; }
.detail-summary {
  padding: 20px 24px; margin-bottom: 30px;
  background: var(--brand-soft);
  border-left: 4px solid var(--brand);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--ink-2);
}

.spec-table { width: 100%; border-collapse: collapse; margin: 24px 0 0; font-size: .95rem; }
.spec-table tr { border-bottom: 1px solid var(--line-2); }
.spec-table th {
  width: 42%; text-align: left; padding: 13px 16px;
  background: var(--brand-soft); font-weight: 600; color: var(--ink-2);
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}
.spec-table td { padding: 13px 16px; color: var(--ink); }

.side-panel {
  position: sticky; top: calc(var(--header-h-compact) + 22px);
  display: flex; flex-direction: column; gap: 22px;
}
.side-card {
  padding: 26px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-xs);
}
.side-card h4 { font-size: 1rem; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--line-2); }
.side-list { list-style: none; margin: 0; padding: 0; }
.side-list li { border-bottom: 1px solid var(--line-2); }
.side-list li:last-child { border-bottom: 0; }
.side-list a {
  display: flex; justify-content: space-between; gap: 12px;
  padding: 11px 0; color: var(--ink-2); font-size: 14.5px;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}
.side-list a:hover { color: var(--brand); padding-left: 6px; }
.side-list a.is-active { color: var(--brand); font-weight: 600; }
.side-card--brand {
  background: linear-gradient(150deg, var(--brand) 0%, var(--brand-dark) 100%);
  border-color: transparent; color: #fff;
}
.side-card--brand h4 { color: #fff; border-bottom-color: rgba(255, 255, 255, .2); }
.side-card--brand p { color: rgba(255, 255, 255, .8); font-size: 14px; margin-bottom: 18px; }

/* ========================== 关于我们 =================================== */

.about-split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-split--flip > *:first-child { order: 2; }
.about-split img { border-radius: var(--radius-lg); box-shadow: var(--shadow); }

.timeline { position: relative; padding-left: 34px; }
.timeline::before {
  content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px;
  width: 2px; background: linear-gradient(180deg, var(--brand), var(--line));
}
.tl-item { position: relative; padding-bottom: 34px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ""; position: absolute; left: -34px; top: 6px;
  width: 18px; height: 18px; border-radius: 50%;
  background: #fff; border: 3px solid var(--brand);
  box-shadow: 0 0 0 5px rgba(27, 95, 217, .1);
}
.tl-item__year { font-size: 1.05rem; font-weight: 800; color: var(--brand); margin-bottom: 6px; }
.tl-item__title { font-size: 1.02rem; margin-bottom: 6px; }
.tl-item__desc { color: var(--muted); font-size: .94rem; }

.honor-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.honor {
  padding: 26px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  transition: all var(--dur) var(--ease);
}
.honor:hover { border-color: var(--brand); box-shadow: var(--shadow); transform: translateY(-4px); }
.honor__year { font-size: 12.5px; font-weight: 700; color: var(--accent); letter-spacing: .06em; margin-bottom: 10px; }
.honor__title { font-size: 1.02rem; margin-bottom: 8px; }
.honor__issuer { color: var(--muted); font-size: 13.5px; }

/* ========================== FAQ ======================================== */

.faq-list { max-width: 900px; margin-inline: auto; }
.faq {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.faq.is-open { border-color: var(--brand); box-shadow: var(--shadow-sm); }
.faq__q {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 18px;
  width: 100%;
  padding: 20px 24px;
  background: none; border: 0; text-align: left;
  font-size: 1.02rem; font-weight: 600; cursor: pointer;
  transition: color var(--dur) var(--ease);
}
.faq__q:hover { color: var(--brand); }
.faq.is-open .faq__q { color: var(--brand); }
.faq__q i {
  flex: none; width: 26px; height: 26px; border-radius: 50%;
  background: var(--brand-light); color: var(--brand);
  display: grid; place-items: center;
  font-style: normal; font-size: 17px; font-weight: 700;
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}
.faq.is-open .faq__q i { background: var(--brand); color: #fff; transform: rotate(45deg); }
.faq__a { max-height: 0; overflow: hidden; transition: max-height .38s var(--ease); }
.faq__a > div { padding: 0 24px 22px; color: var(--muted); }

/* ========================== 表单 / 联系 ================================ */

.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 13.5px; font-weight: 600; color: var(--ink-2); }
.field label .req { color: var(--accent); margin-left: 3px; }
.field input, .field select, .field textarea {
  padding: 13px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(27, 95, 217, .12);
}
.field textarea { resize: vertical; min-height: 120px; }
.field .hint { font-size: 12.5px; color: var(--muted-2); }

.form-note { font-size: 13px; color: var(--muted-2); margin-top: 14px; }
.form-msg {
  margin-top: 18px; padding: 14px 18px; border-radius: var(--radius-sm);
  font-size: 14px; display: none;
}
.form-msg.is-ok { display: block; background: #E9F7EF; color: #1B7A45; border: 1px solid #B7E3C9; }
.form-msg.is-err { display: block; background: #FDECEC; color: #B4232A; border: 1px solid #F5C2C2; }

.contact-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.contact-card {
  padding: 30px 26px; text-align: center;
  border: 1px solid var(--line); border-radius: var(--radius); background: #fff;
  transition: all var(--dur) var(--ease);
}
.contact-card:hover { border-color: var(--brand); box-shadow: var(--shadow); transform: translateY(-4px); }
.contact-card__ico {
  width: 54px; height: 54px; margin: 0 auto 18px;
  border-radius: 15px; background: var(--brand-light); color: var(--brand);
  display: grid; place-items: center;
}
.contact-card__ico svg { width: 24px; height: 24px; }
.contact-card h4 { font-size: 1rem; margin-bottom: 8px; }
.contact-card p, .contact-card a { color: var(--muted); font-size: 14.5px; }
.contact-card a { font-weight: 600; color: var(--brand); }

/* ========================== 通用列表页 ================================ */

.list-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.news-card {
  display: flex; flex-direction: column;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: #fff; overflow: hidden;
  transition: all var(--dur) var(--ease);
}
.news-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: rgba(27, 95, 217, .35); }
.news-card__media { aspect-ratio: 16 / 10; overflow: hidden; background: var(--brand-soft); }
.news-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.news-card:hover .news-card__media img { transform: scale(1.05); }
.news-card__body { padding: 22px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.news-card__title { font-size: 1.06rem; line-height: 1.5; margin: 12px 0 10px; transition: color var(--dur) var(--ease); }
.news-card:hover .news-card__title { color: var(--brand); }
.news-card__sum { color: var(--muted); font-size: .93rem; flex: 1; }
.news-card__meta { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line-2); font-size: 12.5px; color: var(--muted-2); display: flex; justify-content: space-between; }

.pager { display: flex; justify-content: center; gap: 10px; margin-top: 46px; }
.pager button {
  min-width: 42px; height: 42px; padding: 0 14px;
  border: 1px solid var(--line); background: #fff; border-radius: var(--radius-sm);
  cursor: pointer; font-weight: 600; color: var(--ink-2);
  transition: all var(--dur) var(--ease);
}
.pager button:hover:not(:disabled) { border-color: var(--brand); color: var(--brand); }
.pager button.is-active { background: var(--brand); border-color: var(--brand); color: #fff; }
.pager button:disabled { opacity: .45; cursor: not-allowed; }

.empty { padding: 70px 0; text-align: center; color: var(--muted-2); }

/* 文章正文 */
.article { max-width: 860px; margin-inline: auto; }
.article__meta {
  display: flex; flex-wrap: wrap; gap: 16px; align-items: center;
  padding-bottom: 22px; margin-bottom: 30px; border-bottom: 1px solid var(--line);
  color: var(--muted-2); font-size: 14px;
}

/* 下载 / 招聘 */
.dl-item, .job-item {
  display: flex; align-items: center; justify-content: space-between; gap: 22px;
  padding: 24px 26px; border: 1px solid var(--line); border-radius: var(--radius);
  background: #fff; margin-bottom: 14px;
  transition: all var(--dur) var(--ease);
}
.dl-item:hover, .job-item:hover { border-color: var(--brand); box-shadow: var(--shadow-sm); }
.dl-item h4, .job-item h4 { font-size: 1.05rem; margin-bottom: 6px; }
.dl-item p, .job-item p { color: var(--muted); font-size: .93rem; margin: 0; }
.job-item__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }

/* ========================== 响应式 ==================================== */

@media (max-width: 1180px) {
  .cap-grid { grid-template-columns: repeat(2, 1fr); }
  .site-footer__main { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer-qr { grid-column: span 3; text-align: left; }
  .footer-qr img { margin: 0 0 12px; }
}

@media (max-width: 1024px) {
  .nav, .header-phone, .header-cta { display: none; }
  .nav-toggle { display: flex; margin-left: auto; }
  .header-tools { margin-left: 0; }
  .hero__inner { padding-bottom: 90px; }
  .stats { margin-top: -50px; }
  .stats__panel { grid-template-columns: repeat(3, 1fr); }
  .stat:nth-child(3) { border-right: 0; }
  .stat:nth-child(n + 4) { border-top: 1px solid var(--line-2); }
  .prod-grid, .sol-grid, .case-grid, .list-grid, .honor-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: 1fr; }
  .detail-grid { grid-template-columns: 1fr; }
  .side-panel { position: static; }
  .about-split { grid-template-columns: 1fr; gap: 34px; }
  .about-split--flip > *:first-child { order: 0; }
  .cta-banner__inner { grid-template-columns: 1fr; gap: 34px; }
  .contact-cards { grid-template-columns: 1fr; }
}

/* 移动端抽屉导航 */
@media (max-width: 1024px) {
  .site-header.is-open { background: #fff; box-shadow: var(--shadow); border-bottom-color: var(--line); }
  .site-header.is-open .nav-link { color: var(--ink-2); }
  .site-header.is-open .brand-name { color: var(--ink); }
  .site-header.is-open .nav-toggle span { background: var(--ink); }

  .nav {
    display: block;
    position: fixed;
    inset: var(--header-h-compact) 0 0 auto;
    width: min(88vw, 380px);
    padding: 22px 22px 40px;
    background: #fff;
    box-shadow: -12px 0 40px rgba(15, 42, 90, .14);
    overflow-y: auto;
    transform: translateX(102%);
    transition: transform var(--dur) var(--ease);
    margin: 0;
  }
  .nav.is-open { transform: none; }
  .nav-list { flex-direction: column; align-items: stretch; gap: 2px; }
  .nav-link { padding: 13px 12px; font-size: 16px; }
  .nav-link::after { display: none; }
  .nav-link.is-active { background: var(--brand-soft); border-radius: var(--radius-sm); }
  .nav-drop {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: 0; border-left: 2px solid var(--line);
    border-radius: 0; padding: 2px 0 8px 12px; margin-left: 12px;
    min-width: 0;
  }
  .nav-drop a { padding: 9px 12px; }
}

@media (max-width: 720px) {
  .site-header__inner { width: min(100% - 32px, 1560px); }
  .hero__inner { width: min(100% - 32px, 1560px); }
  .stats__panel { grid-template-columns: repeat(2, 1fr); }
  .stat { padding: 24px 14px; }
  .stat:nth-child(3) { border-right: 1px solid var(--line-2); }
  .stat:nth-child(2n) { border-right: 0; }
  .stat:nth-child(n + 3) { border-top: 1px solid var(--line-2); }
  .prod-grid, .sol-grid, .case-grid, .list-grid, .honor-grid { grid-template-columns: 1fr; }
  .cap-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .site-footer__main { grid-template-columns: 1fr; gap: 34px; }
  .footer-qr { grid-column: auto; }
  .dl-item, .job-item { flex-direction: column; align-items: flex-start; }
  .hero__scroll { display: none; }
  .sol { min-height: 260px; }
}