/* ============================================================
   国朝科技 · 官网共享样式（深空靛蓝 × 紫罗兰 · 现代精致）
   ============================================================ */

:root {
  --primary: #4f46e5;
  --primary-dark: #4338ca;
  --primary-light: #6366f1;
  --accent: #0ea5e9;
  --violet: #8b5cf6;
  --bg: #ffffff;
  --bg-soft: #f7f8fd;
  --bg-soft-2: #eef1f9;
  --dark: #0b1020;
  --dark-2: #1e2440;
  --text: #11162a;
  --muted: #5b667e;
  --border: #e8ebf4;
  --shadow-sm: 0 4px 16px rgba(17, 22, 42, .06);
  --shadow: 0 18px 48px rgba(79, 70, 229, .12);
  --shadow-lg: 0 32px 76px rgba(79, 70, 229, .16);
  --radius: 18px;
  --radius-sm: 14px;
  --maxw: 1200px;
  --gradient: linear-gradient(135deg, #4f46e5 0%, #6366f1 45%, #0ea5e9 100%);
  --gradient-soft: linear-gradient(135deg, #6366f1, #8b5cf6);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  padding-top: 80px;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; border-radius: var(--radius-sm); }
ul { list-style: none; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section-inner { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------------- 导航 ---------------- */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
  box-shadow: none;
  transition: background .3s ease, box-shadow .3s ease;
}
/* 锚点跳转时避开固定导航栏 */
#news,
#intro,
#services,
#contact {
  scroll-margin-top: 96px;
}
.header.scrolled {
  background: #000;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom-color: rgba(255, 255, 255, .12);
  box-shadow: none;
}
.header::after { opacity: 0; }
.nav { position: relative; display: flex; align-items: center; justify-content: space-between; height: 84px; }
.logo { display: flex; align-items: center; font-weight: 800; font-size: 24px; letter-spacing: .3px; color: #fff; flex-shrink: 0; margin-right: 20px; }
.logo img { height: 50px; width: auto; display: block; filter: brightness(0) invert(1); }
.logo .mark {
  width: 40px; height: 40px; border-radius: 12px;
  background: var(--gradient); background-size: 160% 160%;
  display: flex; align-items: center; justify-content: center; color: #fff;
  box-shadow: 0 8px 22px rgba(99, 102, 241, .42), inset 0 1px 0 rgba(255,255,255,.25);
  font-size: 16px; font-weight: 800;
  animation: logo-glow 3s ease-in-out infinite;
}
.logo .mark svg { width: 20px; height: 20px; }
.logo .mark img { height: 100%; width: 100%; object-fit: contain; padding: 4px; }

.nav-links {
  display: flex; gap: 0; align-items: center;
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
}
.nav-links > a,
.nav-links > .has-dropdown > a {
  font-size: 17px; color: rgba(255, 255, 255, .85); font-weight: 500; transition: all .25s ease; position: relative;
  padding: 9px 14px; border-radius: 999px; white-space: nowrap;
}
.nav-links > a + a::before,
.nav-links > .has-dropdown + a::before,
.nav-links > a + .has-dropdown::before,
.nav-links > .has-dropdown + .has-dropdown::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 14px;
  background: rgba(255, 255, 255, .35);
  pointer-events: none;
}
.nav-links > a:hover,
.nav-links > .has-dropdown > a:hover {
  color: #fff; background: rgba(255, 255, 255, .10);
}
.nav-links > a.active,
.nav-links > .has-dropdown.active > a {
  color: #fff; background: rgba(255, 255, 255, .12);
  font-weight: 600;
}

.nav-links > a.active::after,
.nav-links > .has-dropdown.active > a::after {
  content: ""; position: absolute; left: 50%; transform: translateX(-50%); bottom: 4px; width: 21px; height: 4px;
  background: #fff; border-radius: 4px;
}

.has-dropdown { position: relative; }
.has-dropdown > a { display: inline-flex; align-items: center; gap: 5px; }
.has-dropdown > a::after {
  content: ""; display: inline-block; width: 5px; height: 5px; border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor; transform: rotate(45deg); margin-top: -3px; opacity: .55;
}
.dropdown {
  position: absolute; top: 50px; left: 50%; transform: translateX(-50%) translateY(8px);
  min-width: 190px; background: rgba(255, 255, 255, .98); border: 1px solid var(--border); border-radius: 16px;
  box-shadow: var(--shadow); padding: 8px; opacity: 0; pointer-events: none; transition: all .25s ease;
}
.has-dropdown:hover .dropdown,
.has-dropdown.open .dropdown { opacity: 1; pointer-events: auto; transform: translateX(-50%) translateY(0); }
.dropdown a {
  display: block; padding: 11px 17px; font-size: 17px; color: var(--dark-2); transition: background .15s, color .15s; border-radius: 12px;
}
.dropdown a:hover { background: var(--bg-soft); color: var(--primary); }

/* 使用说明 · 飞书式mega下拉 */
.has-dropdown.has-mega { position: static; }
.has-mega > a { cursor: pointer; }
.mega-menu.dropdown {
  display: none;
  align-items: stretch;
  width: min(860px, calc(100vw - 32px));
  min-width: 0;
  padding: 0;
  border-radius: 16px;
  overflow: hidden;
  top: calc(100% - 2px);
  left: 50%;
  background: #fff;
  border: 1px solid #e8eaed;
  box-shadow: 0 16px 48px rgba(15, 23, 42, .14);
  z-index: 120;
}
.has-dropdown.has-mega:hover .mega-menu.dropdown,
.has-dropdown.has-mega.open .mega-menu.dropdown {
  display: flex;
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.mega-panels {
  flex: 1;
  min-width: 0;
  padding: 18px 14px 20px;
}
.mega-panels-only { padding: 22px 16px 22px 20px; }
.mega-panel {
  display: none;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px 12px;
}
.mega-panel.is-active { display: grid; }
.mega-panel.mega-panel-cols {
  gap: 0 24px;
}
.mega-col {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.mega-col-title {
  padding: 2px 8px 10px;
  font-size: 13px;
  font-weight: 700;
  color: #646a73;
  letter-spacing: .04em;
  line-height: 1.3;
}
.mega-menu.dropdown .mega-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 8px;
  border-radius: 10px;
  color: #1f2329;
  font-size: 14px;
}
.mega-menu.dropdown .mega-item:hover {
  background: #f5f6f8;
  color: #1f2329;
}
.mega-ico {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 14px;
  line-height: 1;
}
.mega-item strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: #1f2329;
  line-height: 1.35;
}
.mega-item em {
  display: block;
  margin-top: 2px;
  font-size: 12px;
  font-style: normal;
  font-weight: 400;
  color: #8f959e;
  line-height: 1.45;
}
.mega-promo {
  width: 268px;
  flex-shrink: 0;
  padding: 20px 18px;
  background: linear-gradient(180deg, #f4f9ff 0%, #f8fbff 100%);
  border-left: 1px solid #eef0f4;
}
.mega-promo .promo-kicker {
  font-size: 12px;
  font-weight: 600;
  color: #1456f0;
  margin-bottom: 8px;
}
.mega-promo h4 {
  font-size: 18px;
  font-weight: 700;
  color: #1f2329;
  line-height: 1.4;
  margin: 0 0 8px;
}
.mega-promo p {
  font-size: 13px;
  color: #646a73;
  line-height: 1.6;
  margin: 0 0 16px;
}
.mega-promo .promo-link {
  display: inline-flex !important;
  padding: 0 !important;
  font-size: 13px !important;
  font-weight: 600;
  color: #1456f0 !important;
  background: none !important;
  border-radius: 0 !important;
}
.mega-promo .promo-link:hover { text-decoration: underline; color: #1456f0 !important; }

.nav-cta { display: flex; gap: 12px; align-items: center; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 22px; border-radius: 999px; font-weight: 600; font-size: 15px;
  cursor: pointer; border: 1px solid transparent; transition: all .25s ease; white-space: nowrap;
}
.btn-primary {
  background: var(--gradient); background-size: 180% 180%; color: #fff;
  box-shadow: 0 10px 26px rgba(79, 70, 229, .28), inset 0 1px 0 rgba(255,255,255,.25);
  position: relative; overflow: hidden;
}
.btn-primary::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(110deg, transparent 35%, rgba(255,255,255,.35) 50%, transparent 65%);
  transform: translateX(-120%);
  transition: transform .6s ease;
}
.btn-primary:hover::before { transform: translateX(120%); }
.btn-primary:hover { background-position: 100% 0; transform: translateY(-2px); box-shadow: 0 16px 34px rgba(79, 70, 229, .36); }
.btn-ghost { background: #fff; color: var(--text); border-color: var(--border); box-shadow: var(--shadow-sm); }
.btn-ghost:hover { border-color: var(--primary-light); color: var(--primary); transform: translateY(-1px); box-shadow: 0 10px 22px rgba(79, 70, 229, .12); }
.btn-lg { padding: 14px 30px; font-size: 16px; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; }
.hamburger span { width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: .3s; }


@keyframes logo-glow {
  0%, 100% { box-shadow: 0 8px 22px rgba(99, 102, 241, .42), inset 0 1px 0 rgba(255,255,255,.25); }
  50% { box-shadow: 0 8px 28px rgba(99, 102, 241, .6), 0 0 0 6px rgba(99, 102, 241, .1), inset 0 1px 0 rgba(255,255,255,.25); }
}

/* ---------------- Hero / 页面顶部 ---------------- */
.hero {
  position: relative; overflow: hidden; padding: 92px 0 78px;
  background:
    radial-gradient(1100px 480px at 82% -12%, rgba(99, 102, 241, .18), transparent 60%),
    radial-gradient(900px 460px at -5% 8%, rgba(14, 165, 233, .14), transparent 55%),
    radial-gradient(700px 400px at 50% 120%, rgba(139, 92, 246, .10), transparent 60%),
    var(--bg-soft);
}
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 52px; align-items: center; }
.hero .eyebrow {
  display: inline-flex; align-items: center; gap: 8px; padding: 7px 14px; border-radius: 999px;
  background: #fff; border: 1px solid var(--border); color: var(--primary);
  font-size: 13px; font-weight: 600; box-shadow: var(--shadow-sm);
}
.hero .eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(6, 182, 212, .18); }
.hero h1 { font-size: 46px; line-height: 1.18; font-weight: 800; letter-spacing: -.6px; margin-top: 20px; }
.hero h1 .grad { background: linear-gradient(120deg, var(--primary), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { margin-top: 20px; font-size: 18px; color: var(--muted); max-width: 540px; }
.hero-cta { margin-top: 34px; display: flex; gap: 14px; flex-wrap: wrap; }

/* 首页 Hero：按蓝湖稿 CSS（1920×942）排版，背景图沿用现有资源
   高度改为铺满一屏（100dvh 兼容移动端地址栏），不再写死 942px，
   否则窗口高度不足 942px 时首屏会露不全、必须滚动 */
.hero.hero-fullbg {
  position: relative;
  width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  min-height: 100svh;
  height: 100vh;
  height: 100dvh;
  height: 100svh;
  overflow: hidden;
  display: block;
  text-align: left;
  background: none;
  padding: 0;
}
.hero-fullbg .hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
/* Hero 背景视频：铺满容器，导航（.header z-index:100）始终位于其上层 */
.hero-video,
.hero-image {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  object-fit: cover;
  border-radius: 0;
  z-index: 0;
  pointer-events: none;
  transform: scale(1.08);
  transform-origin: center center;
}
/* 首页静态背景图：底部对齐 + 以底边为基准放大
   原图 1706×1279（4:3 偏方），宽屏下 cover 后垂直溢出约 1/3 高度，
   底部对齐 + bottom 原点可把溢出的天空裁掉，让建筑主体占据更多画面 */
.hero-image {
  object-position: 50% 100%;
  transform-origin: center bottom;
}

/* 首屏背景向上延伸至导航栏之下 */
.hero-fullbg,
.page-hero-fullbg,
.edu-hero,
.placeholder-page {
  margin-top: -80px;
}
.hero-fullbg .hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(6, 11, 25, .18) 0%, rgba(6, 11, 25, .06) 55%, rgba(6, 11, 25, .02) 100%),
    linear-gradient(180deg, rgba(6, 11, 25, .12) 0%, rgba(6, 11, 25, .02) 48%, rgba(6, 11, 25, .16) 100%);
  z-index: 1;
  pointer-events: none;
}
.hero-fullbg .hero-page {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
}
/* 桌面端：内容区也铺满一屏并垂直居中
   （≤980px 的断点依赖原有的文档流边距，故这里只作用于 981px 以上） */
@media (min-width: 981px) {
  .hero-fullbg .hero-page {
    height: auto;
    min-height: 100vh;
    min-height: 100dvh;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    /* 顶部留出固定导航栏空间，底部留白，保证内容不被遮挡也不贴边 */
    padding: 120px 0 72px;
  }
}
/* 国朝科技品牌字 — 设计稿图片 */
body[data-page="home"] .hero-fullbg .hero-brand,
body[data-page="business"] .hero-fullbg .hero-brand {
  display: block;
  width: 140px;
  height: auto;
  /* 原为 294px：桌面端内容改由 .hero-page 垂直居中排版，故上边距归零 */
  margin: 0 0 0 223px;
  padding: 0;
  border-radius: 0;
  object-fit: contain;
  filter: drop-shadow(0 4px 4px rgba(0, 0, 0, 0.25));
}
/* text-group_1 */
body[data-page="home"] .hero-fullbg .hero-text-group,
body[data-page="business"] .hero-fullbg .hero-text-group {
  width: 575px;
  margin: 10px 0 0 223px;
}
/* 国之大者 / 朝向未来 — 直接使用设计稿图片 */
.hero-fullbg .hero-main-slogan {
  display: block;
  width: 286px;
  height: auto;
  margin: 0;
  padding: 0;
  border-radius: 0;
  object-fit: contain;
  filter: drop-shadow(0 4px 4px rgba(0, 0, 0, 0.25));
}
/* text_6 */
.hero-fullbg .hero-en {
  display: block;
  text-shadow: 0px 4px 4px rgba(0, 0, 0, 0.25);
  width: 575px;
  height: 22px;
  overflow-wrap: break-word;
  color: rgba(255, 255, 255, 1);
  font-family: "PingFang SC", "PingFangSC", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 16px;
  font-weight: 700;
  text-align: left;
  white-space: nowrap;
  line-height: 16px;
  margin-top: 13px;
  letter-spacing: 0;
  text-transform: none;
}
.hero-fullbg h1 .grad {
  background: linear-gradient(120deg, #a5b4fc 0%, #38bdf8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-fullbg h1 .hl {
  background: linear-gradient(120deg, #fbbf24 0%, #f97316 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-fullbg p.lead {
  color: rgba(255,255,255,.92);
  margin: 24px 0 0;
  max-width: 640px;
  text-shadow: 0 2px 16px rgba(0,0,0,.55);
}
body[data-page="home"] .hero-fullbg .hero-cta,
body[data-page="business"] .hero-fullbg .hero-cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 16px;
  margin: 28px 0 0 223px;
}
.hero-fullbg .btn-primary { box-shadow: 0 8px 28px rgba(79, 70, 229, .45); }
.hero-fullbg .btn-ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, .35);
  background: rgba(0, 0, 0, .42);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: none;
}
.hero-fullbg .btn-ghost:hover {
  background: rgba(0, 0, 0, .58);
  border-color: rgba(255, 255, 255, .55);
  color: #fff;
}

.hero-visual {
  position: relative; background: #fff; border: 1px solid var(--border);
  border-radius: 22px; box-shadow: var(--shadow); padding: 22px;
}
.hero-visual .topbar { display: flex; gap: 7px; margin-bottom: 16px; }
.hero-visual .topbar i { width: 11px; height: 11px; border-radius: 50%; display: block; }
.hero-visual .topbar i:nth-child(1) { background: #f87171; }
.hero-visual .topbar i:nth-child(2) { background: #fbbf24; }
.hero-visual .topbar i:nth-child(3) { background: #34d399; }
.dash-stat { display: flex; gap: 14px; }
.dash-card { flex: 1; background: var(--bg-soft); border: 1px solid var(--border); border-radius: 14px; padding: 16px; }
.dash-card .num { font-size: 26px; font-weight: 800; color: var(--primary); }
.dash-card .lbl { font-size: 13px; color: var(--muted); margin-top: 2px; }
.dash-bar { height: 10px; border-radius: 6px; background: var(--bg-soft-2); margin: 18px 0 6px; overflow: hidden; }
.dash-bar > span { display: block; height: 100%; background: linear-gradient(90deg, var(--primary), var(--accent)); border-radius: 6px; }
.dash-row { display: flex; justify-content: space-between; font-size: 13px; color: var(--muted); }

/* 首页 Hero 动态科技视觉 */
.tech-visual {
  position: relative; min-height: 360px; height: 100%;
  border-radius: 22px; overflow: hidden;
  background: linear-gradient(135deg, #0b1220 0%, #0f1c3f 50%, #0b1220 100%);
  display: flex; align-items: center; justify-content: center;
  box-shadow: inset 0 0 80px rgba(37, 99, 235, .18), var(--shadow);
}
.tech-visual::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 30% 30%, rgba(59, 130, 246, .28), transparent 42%),
    radial-gradient(circle at 70% 70%, rgba(6, 182, 212, .22), transparent 45%);
  animation: tech-pulse 6s ease-in-out infinite;
}
.tech-rings { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; }
.tech-rings span { position: absolute; border-radius: 50%; border: 1px solid rgba(147, 197, 253, .16); }
.tech-rings span:nth-child(1) { width: 170px; height: 170px; animation: tech-rotate 10s linear infinite; border-top-color: rgba(6, 182, 212, .85); border-right-color: rgba(6, 182, 212, .45); }
.tech-rings span:nth-child(2) { width: 250px; height: 250px; animation: tech-rotate 16s linear infinite reverse; border-bottom-color: rgba(59, 130, 246, .8); }
.tech-rings span:nth-child(3) { width: 330px; height: 330px; animation: tech-rotate 22s linear infinite; border-left-color: rgba(147, 197, 253, .55); }
.tech-core { position: relative; z-index: 3; text-align: center; }
.core-glow {
  width: 96px; height: 96px; border-radius: 50%; margin: 0 auto 16px;
  background: radial-gradient(circle, rgba(6, 182, 212, .95), rgba(37, 99, 235, .45) 55%, transparent 72%);
  box-shadow: 0 0 50px rgba(6, 182, 212, .45);
  animation: core-pulse 3s ease-in-out infinite;
}
.core-text strong { display: block; color: #fff; font-size: 21px; font-weight: 800; letter-spacing: 2px; }
.core-text span { display: block; color: #93c5fd; font-size: 12px; letter-spacing: 3px; margin-top: 6px; }
.tech-particles { position: absolute; inset: 0; pointer-events: none; }
.tech-particles span { position: absolute; width: 4px; height: 4px; border-radius: 50%; background: #93c5fd; box-shadow: 0 0 8px #93c5fd; opacity: .7; animation: tech-float 6s ease-in-out infinite; }
.tech-particles span:nth-child(1) { top: 18%; left: 14%; animation-delay: 0s; }
.tech-particles span:nth-child(2) { top: 26%; right: 16%; animation-delay: 1.2s; }
.tech-particles span:nth-child(3) { top: 62%; left: 20%; animation-delay: 2.4s; }
.tech-particles span:nth-child(4) { top: 72%; right: 22%; animation-delay: 3.2s; }
.tech-particles span:nth-child(5) { top: 44%; left: 8%; animation-delay: 1.8s; }
.tech-particles span:nth-child(6) { top: 50%; right: 10%; animation-delay: 4.2s; }
.tech-flow { position: absolute; inset: 0; pointer-events: none; }
.tech-flow span { position: absolute; height: 2px; width: 70px; background: linear-gradient(90deg, transparent, rgba(147, 197, 253, .85), transparent); animation: tech-scan 3.5s linear infinite; opacity: .6; }
.tech-flow span:nth-child(1) { top: 22%; left: -10%; animation-delay: 0s; }
.tech-flow span:nth-child(2) { top: 46%; left: -10%; animation-delay: 1.2s; }
.tech-flow span:nth-child(3) { top: 70%; left: -10%; animation-delay: 2.4s; }
.tech-flow span:nth-child(4) { top: 34%; left: -10%; animation-delay: .6s; }
.value-chip { width: 46px; height: 46px; border-radius: 12px; background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 20px; margin-bottom: 12px; }

/* 首页「国朝科技是谁」Bento 布局 */
/* 首页「国朝科技是谁」重构：所有文字整合为一张卡片 */
.about-rebuild {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 26px;
  padding: 48px 54px;
  box-shadow: var(--shadow-sm);
}
.about-rebuild .about-lead h3 {
  font-size: 26px;
  font-weight: 800;
  line-height: 1.45;
  color: var(--dark-2);
  margin-bottom: 18px;
  letter-spacing: -.4px;
}
.about-rebuild .about-lead p {
  color: var(--muted);
  line-height: 1.85;
  font-size: 16px;
  margin-bottom: 0;
  max-width: 960px;
}
.about-rebuild .about-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: 36px 0;
}
.about-rebuild .about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px 40px;
}
.about-rebuild .about-cell strong {
  display: block;
  font-size: 16px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 8px;
}
.about-rebuild .about-cell p {
  font-size: 14.5px;
  color: var(--dark-2);
  line-height: 1.7;
}

@media (max-width: 1024px) {
  .about-rebuild .about-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .about-rebuild { padding: 30px 24px; border-radius: 22px; }
  .about-rebuild .about-lead h3 { font-size: 21px; }
  .about-rebuild .about-grid { grid-template-columns: 1fr; gap: 22px; }
}

/* 首页「国朝集团是谁」 */
.about-group-section {
  padding-bottom: 100px;
}
.group-intro-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 26px;
  padding: 44px 54px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 40px;
}
.group-intro-card h3 {
  position: relative;
  font-size: 26px;
  font-weight: 800;
  color: var(--dark-2);
  margin-bottom: 18px;
  letter-spacing: -.4px;
  padding-left: 18px;
}
.group-intro-card h3::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 24px;
  border-radius: 3px;
  background: linear-gradient(135deg, #6d5dfc 0%, #3b82f6 100%);
}
.about-group-section .section-head { margin-bottom: 27px; }
.group-intro-card p {
  font-size: 16px;
  line-height: 1.95;
  color: var(--muted);
  margin: 0;
}
.group-intro-card p + p {
  margin-top: 18px;
}
.group-intro-card .gi-fangsong {
  font-family: "仿宋", FangSong, STFangsong, "STFangSong", "Songti SC", serif;
  margin-bottom: 18px;
}
.group-intro-card .gi-fangsong p {
  font-size: 17px;
  line-height: 2;
  color: var(--dark-2);
  text-align: justify;
}
.group-intro-card .gi-fangsong p + p {
  margin-top: 16px;
}
.group-intro-card .gi-lead {
  font-size: 18px;
  font-weight: 600;
  color: var(--dark-2);
  line-height: 1.85;
}
.group-intro-card .gi-hl {
  color: var(--primary);
  font-weight: 700;
}
.group-intro-card .gi-strong {
  color: var(--accent);
  font-weight: 700;
  padding: 0 2px;
}
.group-intro-card .gi-link {
  color: var(--primary);
  font-weight: 700;
  border-bottom: 1.5px solid rgba(79, 70, 229, .35);
  transition: color .2s, border-color .2s;
}
.group-intro-card .gi-link:hover {
  color: var(--primary-dark);
  border-bottom-color: var(--primary-dark);
}


@media (max-width: 720px) {
  .about-group-section { padding-bottom: 70px; }
  .group-intro-card { padding: 28px 24px; border-radius: 22px; }
  .group-intro-card h3 { font-size: 22px; }
  .group-intro-card h3::before { top: 50%; transform: translateY(-50%); height: 20px; }
  .group-intro-card p { font-size: 15px; line-height: 1.85; }
  .group-intro-card .gi-fangsong p { font-size: 15px; line-height: 1.95; }
  .group-intro-card .gi-lead { font-size: 16px; }
}
@keyframes tech-pulse { 0%, 100% { opacity: .8; transform: scale(1); } 50% { opacity: 1; transform: scale(1.08); } }
@keyframes tech-rotate { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes core-pulse { 0%, 100% { transform: scale(1); opacity: .9; } 50% { transform: scale(1.12); opacity: 1; } }
@keyframes tech-float { 0%, 100% { transform: translateY(0); opacity: .5; } 50% { transform: translateY(-18px); opacity: 1; } }
@keyframes tech-scan { 0% { transform: translateX(0); opacity: 0; } 10% { opacity: .7; } 90% { opacity: .7; } 100% { transform: translateX(420px); opacity: 0; } }

/* 页面顶部 */
.page-hero {
  position: relative; overflow: hidden;
  padding: 96px 0 80px; text-align: left;
  min-height: 420px;
  display: flex; align-items: center;
  background:
    radial-gradient(900px 360px at 50% -10%, rgba(99, 102, 241, .16), transparent 55%),
    radial-gradient(700px 300px at 90% 110%, rgba(14, 165, 233, .10), transparent 55%),
    var(--bg-soft);
  border-bottom: 1px solid var(--border);
}
.page-hero-inner { position: relative; z-index: 2; max-width: 760px; }
.page-hero-fullbg .page-hero-inner { max-width: none; }
.page-hero h1 { font-size: 46px; font-weight: 800; letter-spacing: -1px; color: var(--dark-2); }
.page-hero .lead { max-width: 640px; margin: 16px 0 0; color: var(--muted); font-size: 18px; line-height: 1.7; }
.breadcrumb { display: inline-flex; gap: 10px; align-items: center; color: var(--muted); font-size: 14px; margin-bottom: 22px; }
.breadcrumb a:hover { color: var(--primary); }

/* 关于国朝 Hero 全屏背景图 */
.page-hero-fullbg { min-height: 100vh; display: flex; align-items: center; background: none; border-bottom: 0; padding: 120px 0 100px; }
.page-hero-fullbg .hero-bg {
  position: absolute; inset: 0;
  z-index: 0;
}
.page-hero-fullbg .hero-overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(11, 16, 32, .26) 0%, rgba(11, 16, 32, .12) 55%, rgba(11, 16, 32, .04) 100%),
    linear-gradient(180deg, rgba(11, 16, 32, .16) 0%, rgba(11, 16, 32, .05) 50%, rgba(11, 16, 32, .22) 100%);
  z-index: 1;
}
.page-hero-fullbg .container { position: relative; z-index: 2; text-align: left; }
.page-hero-fullbg .page-hero-inner { text-align: left; }
.page-hero-fullbg h1 { color: #FFFFFF; text-shadow: none; }
.page-hero-fullbg .lead { color: #FFFFFF; text-shadow: none; }
.page-hero-fullbg .about-hero-copy {
  max-width: 760px;
  margin: 0;
  text-align: left;
  color: #FFFFFF;
  text-shadow: none;
}
.page-hero-fullbg .about-hero-copy > * {
  text-align: left;
  text-align-last: left;
  margin-left: 0;
  margin-right: auto;
}
.page-hero-fullbg .about-hero-brand {
  display: block;
  width: 170px;
  height: auto;
  margin: 0 0 12px;
  padding: 0;
  border-radius: 0;
  object-fit: contain;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}
.page-hero-fullbg .about-hero-line {
  display: block;
  width: 300px;
  height: auto;
  margin: 0;
  padding: 0;
  border-radius: 0;
  object-fit: contain;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.35));
}
body[data-page="about"] .page-hero-fullbg .hero-image {
  object-position: 50% 58%;
  transform: none;
  transform-origin: center center;
}
body[data-page="news"] .page-hero-fullbg .hero-image {
  object-position: 50% 50%;
  transform: none;
  transform-origin: center center;
}
body[data-page="core-business"] .page-hero-fullbg .hero-image {
  object-position: 50% 52%;
  transform: none;
  transform-origin: center center;
}
.page-hero-fullbg .news-hero-title {
  margin: 0;
  font-size: 56px;
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.15;
  color: #fff;
  text-align: left;
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
}
@media (max-width: 768px) {
  .page-hero-fullbg .news-hero-title { font-size: 40px; }
}
.page-hero-fullbg .about-hero-en {
  display: block;
  max-width: 900px;
  margin-top: 16px;
  color: #FFFFFF;
  font-family: "PingFang SC", "PingFangSC", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: .4px;
  text-transform: uppercase;
  text-align: left;
  text-align-last: left;
  text-shadow: none;
}
.page-hero-fullbg .about-hero-sub {
  margin: 20px 0 0;
  font-size: 38px;
  font-weight: 700;
  letter-spacing: .5px;
  line-height: 1.55;
  color: #FFFFFF;
  text-align: left;
  text-align-last: left;
  width: 100%;
}
@media (max-width: 768px) {
  .page-hero-fullbg .about-hero-brand { width: 128px; }
  .page-hero-fullbg .about-hero-line { width: 220px; }
  .page-hero-fullbg .about-hero-en { font-size: 15px; }
  .page-hero-fullbg .about-hero-sub { font-size: 28px; }
}
.page-hero-fullbg .breadcrumb { color: rgba(255,255,255,.7); }
.page-hero-fullbg .breadcrumb a { color: rgba(255,255,255,.85); }
.page-hero-fullbg .breadcrumb a:hover { color: #fff; }

/* ---------------- 数据条 ---------------- */
.stats { padding: 56px 0; background: linear-gradient(135deg, #0b1020 0%, #1a1f44 55%, #2d1b69 100%); color: #fff; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; text-align: center; }
.stats-grid .num { font-size: 40px; font-weight: 800; background: linear-gradient(120deg, #fff 0%, #c7d2fe 60%, #67e8f9 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stats-grid .lbl { color: #aab3d4; margin-top: 4px; font-size: 15px; }

/* ---------------- 通用 section ---------------- */
.section { padding: 88px 0; }
.section.soft { background: var(--bg-soft); }
.section.alt { background: #fff; }
.section-head { text-align: left; max-width: 760px; margin: 0 0 54px; }
.section-head.wide { max-width: 1120px; }
.section-head.wide p { white-space: nowrap; }
.section-head .tag,
.contact-head .tag {
  display: inline-block; color: var(--primary); font-weight: 700; font-size: 13px;
  letter-spacing: 1.5px; text-transform: uppercase;
  padding: 6px 14px; border-radius: 999px;
  background: linear-gradient(135deg, rgba(79,70,229,.1), rgba(14,165,233,.1));
  border: 1px solid rgba(99,102,241,.18);
}
.section-head h2 { font-size: 34px; font-weight: 800; margin-top: 16px; letter-spacing: -.4px; }
.section-head.xl h2 { font-size: 46px; line-height: 1.25; letter-spacing: -.8px; }
.contact-head .tag { margin-bottom: 16px; }
.section-head p { margin-top: 14px; color: var(--muted); font-size: 17px; }
/* 所有页面"联系我们"标题（含首页）内容居中，说明文字同步居中 */
.contact-head {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}
/* 子页面（除首页外）内容区块标题居中 */
body[data-page]:not([data-page="home"]) .section-head:not(.left) {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}
.section-head.left { text-align: left; margin-left: 0; }
@media (max-width: 1100px) {
  .section-head.wide p { white-space: normal; }
}

.grid-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }

/* 卡片 */
.card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px; transition: transform .25s, box-shadow .25s, border-color .25s;
  position: relative; overflow: hidden;
}
.card::before {
  content: ''; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: var(--gradient); opacity: 0; transition: opacity .25s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.card:hover::before { opacity: 1; }
.card .ico {
  width: 52px; height: 52px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(79, 70, 229, .12), rgba(14, 165, 233, .12));
  color: var(--primary); margin-bottom: 18px;
}
.card .ico svg { width: 26px; height: 26px; }
.card h3 { font-size: 19px; font-weight: 700; }
.card p { margin-top: 10px; color: var(--muted); font-size: 15px; }
.card .more { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; color: var(--primary); font-weight: 600; font-size: 14px; }
.card .more svg { width: 16px; height: 16px; transition: transform .2s; }
.card:hover .more svg { transform: translateX(4px); }

/* 关于国朝 · 可为合作机构提供支持 */
.support-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}
.support-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  aspect-ratio: 1024 / 580;
  background: #f7f8fd;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.support-card-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}
@media (max-width: 720px) {
  .support-grid { grid-template-columns: 1fr; }
}

/* 关于国朝 · 最新动态（白色背景 + 浅色卡片 + 分页） */
.news-section { background: #fff; border-top: 1px solid var(--border); }
.news-section .section-head h2 { color: var(--text); }
.news-section .section-head p { color: var(--muted); }
.news-section .section-head .tag {
  background: rgba(79, 70, 229, .08);
  color: var(--primary);
  border: 1px solid rgba(79, 70, 229, .18);
}
.news-list { display: flex; flex-direction: column; gap: 20px; }
.news-list-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.news-list-item:hover {
  transform: translateY(-4px);
  border-color: rgba(79, 70, 229, .28);
  box-shadow: 0 20px 48px rgba(17, 22, 42, .10);
}
/* 整条动态可点击跳转详情页 */
a.news-list-item { color: inherit; text-decoration: none; cursor: pointer; }
.news-list-item:hover h3 { color: var(--primary); }
.news-list-item h3 { transition: color .25s ease; }
.news-list-item.hidden { display: none; }
/* 不可点击的动态卡片（内容来自站外文章，不跳转，故去掉悬停反馈） */
.news-list-item--static { cursor: default; }
.news-list-item--static:hover {
  transform: none;
  border-color: var(--border);
  box-shadow: none;
}
.news-list-item--static:hover h3 { color: inherit; }
.news-thumb {
  position: relative;
  min-height: 280px;
  background: linear-gradient(135deg, var(--bg-soft), var(--bg-soft-2));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.news-thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .4s ease;
}
.news-list-item:hover .news-thumb img { transform: scale(1.04); }
.news-thumb-placeholder {
  font-size: 14px;
  color: #94a3b8;
  padding: 10px 18px;
  border: 1px dashed rgba(17, 22, 42, .18);
  border-radius: 8px;
}
.news-content {
  padding: 28px 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.news-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}
.news-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.news-tag {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  background: var(--bg-soft-2);
  color: var(--muted);
}
.news-tag-primary {
  background: rgba(79, 70, 229, .10);
  color: var(--primary);
}
.news-date { font-size: 14px; color: #94a3b8; white-space: nowrap; }
.news-section .news-date {
  position: static;
  background: none;
  border: none;
  box-shadow: none;
  padding: 0;
  font-weight: 500;
  letter-spacing: normal;
  color: #94a3b8;
}
.news-content h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  line-height: 1.4;
  margin-bottom: 10px;
}
.news-content p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.news-page-btn,
.news-page-num {
  appearance: none;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--muted);
  font-size: 14px;
  padding: 9px 16px;
  border-radius: 10px;
  cursor: pointer;
  transition: background .2s, border-color .2s, color .2s;
}
.news-page-btn:hover,
.news-page-num:hover {
  background: var(--bg-soft);
  border-color: rgba(79, 70, 229, .35);
  color: var(--primary);
}
.news-page-btn:disabled,
.news-page-num:disabled {
  opacity: .4;
  cursor: not-allowed;
}
.news-page-num.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
@media (max-width: 720px) {
  .news-list-item { grid-template-columns: 1fr; }
  .news-thumb { min-height: 200px; }
  .news-content { padding: 22px 24px; }
  .news-meta { flex-wrap: wrap; }
}

/* Guorai 能力卡片：三列核心布局 */
.guorai-core {
  display: grid;
  grid-template-columns: 1fr 280px 1fr;
  gap: 32px;
  align-items: center;
}
.core-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.core-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 22px 24px;
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease;
}
.core-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}
.core-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.core-card h3 .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
}
.core-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}
.core-center {
  display: flex;
  align-items: center;
  justify-content: center;
}
.core-orbit {
  position: relative;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: linear-gradient(180deg, #eef4ff 0%, #dbeafe 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 20px 60px rgba(37,99,235,.12);
  animation: orbit-heartbeat 2.2s ease-in-out infinite;
}
.core-orbit::before {
  content: '';
  position: absolute;
  inset: -24px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37,99,235,.08) 0%, transparent 70%);
  z-index: -1;
  animation: orbit-glow 2.2s ease-in-out infinite;
}
.core-orbit::after {
  content: '';
  position: absolute;
  inset: 12px;
  border-radius: 50%;
  border: 1px dashed rgba(37,99,235,.18);
}
.core-ball {
  width: 170px;
  height: 170px;
  border-radius: 50%;
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 55%, #1d4ed8 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 18px 46px rgba(37,99,235,.35), inset 0 -4px 20px rgba(0,0,0,.12);
  animation: ball-heartbeat 2.2s ease-in-out infinite;
}
@keyframes ball-heartbeat {
  0%, 100% { transform: scale(1); box-shadow: 0 18px 46px rgba(37,99,235,.35); }
  12% { transform: scale(1.24); box-shadow: 0 34px 84px rgba(37,99,235,.66); }
  26% { transform: scale(1); box-shadow: 0 18px 46px rgba(37,99,235,.35); }
  40% { transform: scale(1.14); box-shadow: 0 26px 68px rgba(37,99,235,.54); }
  56% { transform: scale(1); box-shadow: 0 18px 46px rgba(37,99,235,.35); }
}
@keyframes orbit-heartbeat {
  0%, 100% { transform: scale(1); }
  12% { transform: scale(1.1); }
  26% { transform: scale(1); }
  40% { transform: scale(1.05); }
  56% { transform: scale(1); }
}
@keyframes orbit-glow {
  0%, 100% { opacity: 1; transform: scale(1); }
  12% { opacity: .72; transform: scale(1.16); }
  26% { opacity: 1; transform: scale(1); }
  40% { opacity: .86; transform: scale(1.08); }
  56% { opacity: 1; transform: scale(1); }
}
.core-name {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: 1.5px;
  line-height: 1.2;
  text-align: center;
}

/* 公司动态 */
.news-slider {
  padding: 18px 0 8px;
}
.news-track {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.news-card { position: relative; padding-top: 32px; overflow: visible; }
.news-card .news-date {
  position: absolute; top: -16px; left: 24px; z-index: 2;
  background: #fff;
  color: #0f172a; padding: 6px 14px; border-radius: 20px;
  font-size: 13px; font-weight: 700; letter-spacing: .5px;
  border: 1px solid rgba(15, 23, 42, .08);
  box-shadow: 0 8px 20px rgba(0, 0, 0, .28);
}
.news-card h3 { margin-top: 4px; font-size: 18px; line-height: 1.45; }
.news-card p { margin-top: 10px; font-size: 14px; color: var(--muted); }

/* 国朝央国企服务平台模块 */
.subsection-title { font-size: 26px; font-weight: 800; margin-bottom: 24px; letter-spacing: -.3px; }
.applicable-list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.applicable-item {
  background: linear-gradient(180deg, #fff, var(--bg-soft));
  border: 1px solid var(--border); border-radius: 18px; padding: 28px 20px 24px;
  box-shadow: var(--shadow-sm); text-align: center;
  transition: transform .25s, border-color .25s, box-shadow .25s;
  display: flex; flex-direction: column; align-items: center;
}
.applicable-item .num-badge {
  width: 48px; height: 48px; border-radius: 14px; margin-bottom: 16px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff; font-weight: 800; font-size: 18px;
}
.applicable-item .num-badge svg { width: 24px; height: 24px; }
.applicable-item h3 { font-size: 16px; font-weight: 700; color: var(--dark); margin-bottom: 10px; line-height: 1.45; min-height: 46px; }
.applicable-item p { font-size: 13px; color: var(--muted); line-height: 1.65; }
.applicable-item:hover { transform: translateY(-6px); border-color: var(--primary-light); box-shadow: var(--shadow); }

.loop-wrap { background: #fff; border: 1px solid var(--border); border-radius: 22px; padding: 32px; box-shadow: var(--shadow-sm); }
.loop-row { display: flex; align-items: center; gap: 16px; }
.loop-row-reverse { flex-direction: row-reverse; }
.loop-card {
  flex: 1; min-height: 150px; border-radius: 16px; position: relative; overflow: hidden;
  padding: 20px; display: flex; flex-direction: column; justify-content: flex-end;
  color: #fff; background: linear-gradient(135deg, #4338ca 0%, #4f46e5 55%, #0ea5e9 100%);
  box-shadow: 0 12px 28px rgba(79, 70, 229, .28);
}
.loop-card::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 80% 10%, rgba(255, 255, 255, .18), transparent 45%),
              radial-gradient(circle at 10% 90%, rgba(6, 182, 212, .25), transparent 40%);
}
.loop-card .loop-step { position: relative; z-index: 1; font-size: 12px; opacity: .85; margin-bottom: 6px; }
.loop-card strong { position: relative; z-index: 1; font-size: 17px; font-weight: 700; line-height: 1.35; }
.loop-arrow { color: var(--primary); font-size: 18px; min-width: 22px; text-align: center; }
.loop-down { color: var(--primary); font-size: 20px; text-align: center; }
.loop-connector { display: flex; justify-content: flex-end; padding-right: calc(16.666% + 8px); margin: 8px 0; color: var(--primary); font-size: 18px; }

.service-line {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 22px;
  max-width: 920px;
  margin: 0 auto;
}
.service-line::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 12px;
  bottom: 12px;
  width: 3px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
  border-radius: 3px;
  transform: translateX(-50%);
}
.service-item {
  position: relative;
  width: 46%;
  display: flex;
  gap: 16px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px 22px;
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease;
}
.service-item:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(13,52,98,.1); }
.service-item:nth-child(odd) { align-self: flex-start; }
.service-item:nth-child(even) { align-self: flex-end; }
.service-item::after {
  content: '';
  position: absolute;
  top: 26px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--primary);
  z-index: 1;
}
.service-item:nth-child(odd)::after { right: -33px; }
.service-item:nth-child(even)::after { left: -33px; }
.service-item .num {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 13px;
}
.service-item h4 { font-size: 16px; font-weight: 700; }
.service-item p { margin-top: 4px; font-size: 14px; color: var(--muted); line-height: 1.65; }

.module-card {
  position: relative;
  min-height: 180px;
  padding-top: 24px;
  padding-left: 24px;
  padding-right: 24px;
  border-top: 3px solid transparent;
  border-image: linear-gradient(90deg, var(--primary), var(--accent)) 1;
  background: linear-gradient(180deg, #fff 0%, #f7fbff 100%);
  transition: transform .25s ease, box-shadow .25s ease;
  overflow: hidden;
}
.module-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 22px 50px rgba(13, 52, 98, .12);
}
.module-card .module-num {
  position: absolute;
  top: 14px;
  right: 16px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--accent);
  opacity: .55;
}
.module-card .module-ico {
  width: 42px;
  height: 42px;
  margin-bottom: 14px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(26,86,219,.1), rgba(14,165,233,.1));
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.module-card .module-ico svg { width: 22px; height: 22px; }
.module-card h3 { font-size: 17px; margin-bottom: 10px; }
.module-card p { font-size: 14px; color: var(--muted); line-height: 1.7; }
.device-card { text-align: center; }
.device-card .ico { margin: 0 auto 14px; }

/* 交付服务 · 流程卡片（堆叠层次感，蓝渐变） */
.delivery-section { background: linear-gradient(180deg, #f8fbff 0%, #eef6ff 100%); }
.delivery-flow {
  position: relative;
  display: flex;
  align-items: stretch;
  justify-content: center;
  background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 50%, #2563eb 100%);
  border-radius: 28px;
  padding: 56px 36px 56px 36px;
  box-shadow: 0 22px 60px rgba(59, 130, 246, .28);
  overflow: hidden;
  isolation: isolate;
}
.delivery-flow::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 60% at 0% 100%, rgba(255,255,255,.18), transparent 60%),
    radial-gradient(50% 50% at 100% 0%, rgba(255,255,255,.12), transparent 60%);
  pointer-events: none;
  z-index: 0;
}
.delivery-step {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  background: #fff;
  border-radius: 20px;
  padding: 28px 18px 24px;
  margin-left: -28px;
  text-align: center;
  box-shadow: 0 12px 28px rgba(15, 23, 42, .14);
  transition: transform .35s cubic-bezier(.4, 0, .2, 1), box-shadow .35s ease;
  z-index: 1;
}
.delivery-step:nth-child(1) {
  margin-left: 0;
  z-index: 5;
  background: #fff;
}
.delivery-step:nth-child(2) {
  z-index: 4;
  background: rgba(255, 255, 255, .94);
}
.delivery-step:nth-child(3) {
  z-index: 3;
  background: rgba(255, 255, 255, .86);
}
.delivery-step:nth-child(4) {
  z-index: 2;
  background: rgba(255, 255, 255, .76);
}
.delivery-step:nth-child(5) {
  z-index: 1;
  background: rgba(255, 255, 255, .62);
}
.delivery-step:hover {
  transform: translateY(-8px) scale(1.025);
  z-index: 6;
  background: #fff;
  box-shadow: 0 22px 46px rgba(15, 23, 42, .22);
}
.delivery-step .step-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 8px 22px rgba(29, 78, 216, .32);
  position: relative;
  z-index: 1;
}
.delivery-step .step-num {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: .5px;
}
.delivery-step h4 {
  font-size: 17px;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 8px;
  position: relative;
  z-index: 1;
}
.delivery-step p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.65;
  position: relative;
  z-index: 1;
}
.delivery-arrow { display: none; }
.delivery-note { text-align: center; margin-top: 34px; color: var(--muted); font-size: 15px; }

/* 五星体系完整展开（国朝教育） */
.five-star-section {
  background: linear-gradient(180deg, #f8fbff 0%, #eef6ff 100%);
  color: var(--dark-2);
}
.five-star-section .section-head { margin-bottom: 18px; }
.five-star-section .section-head h2 {
  color: var(--dark-2);
  font-size: 34px;
  font-weight: 800;
}
.five-star-subtitle {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  margin-top: 10px;
}
.five-star-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  margin: 44px 0 22px;
}

/* 5大服务模块 */
.fs-modules {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.fs-module-card {
  background: #fff;
  border: 1px solid rgba(37, 99, 235, .10);
  border-radius: 18px;
  padding: 20px 16px 18px;
  box-shadow: 0 10px 28px rgba(37, 99, 235, .06);
  transition: transform .3s ease, box-shadow .3s ease;
}
.fs-module-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 40px rgba(37, 99, 235, .12);
}
.fs-module-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}
.fs-module-head strong {
  font-size: 15px;
  font-weight: 700;
  color: var(--dark-2);
  line-height: 1.4;
}
.fs-module-icon {
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: rgba(37, 99, 235, .10);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}
.fs-module-icon svg { width: 18px; height: 18px; }
.fs-module-tag {
  background: rgba(37, 99, 235, .08);
  border: 1px solid rgba(37, 99, 235, .14);
  color: #3b82f6;
  font-size: 12px;
  font-weight: 600;
  padding: 8px 10px;
  border-radius: 10px;
  text-align: center;
  margin-bottom: 10px;
}
.fs-module-desc {
  font-size: 12px;
  color: var(--muted);
  text-align: center;
  line-height: 1.55;
}

/* 3项专属特权 */
.fs-privileges {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.fs-privilege-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: #fff;
  border: 1px solid rgba(37, 99, 235, .10);
  border-radius: 18px;
  padding: 24px;
  box-shadow: 0 10px 28px rgba(37, 99, 235, .06);
  position: relative;
  overflow: hidden;
}
.fs-privilege-card:nth-child(1) { border-left: 4px solid #3b82f6; }
.fs-privilege-card:nth-child(2) { border-left: 4px solid var(--accent); }
.fs-privilege-card:nth-child(3) { border-left: 4px solid var(--primary); }
.fs-privilege-icon {
  flex: 0 0 46px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(37, 99, 235, .10);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}
.fs-privilege-icon svg { width: 22px; height: 22px; }
.fs-privilege-body h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--dark-2);
  margin-bottom: 10px;
}
.fs-privilege-body ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.fs-privilege-body li {
  position: relative;
  padding-left: 14px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.8;
}
.fs-privilege-body li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* 6阶闭环流程 */
.fs-timeline {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 34px 0 18px;
}
.fs-timeline-line {
  position: absolute;
  top: 52px;
  left: 6%;
  right: 6%;
  height: 2px;
  background: linear-gradient(90deg, #3b82f6, var(--accent), #0ea5e9, var(--primary), #3b82f6);
  opacity: .35;
}
.fs-timeline-item {
  position: relative;
  z-index: 1;
  text-align: center;
  flex: 1;
}
.fs-timeline-dot {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  box-shadow: 0 6px 16px rgba(37, 99, 235, .25);
}
.fs-timeline-label {
  display: inline-block;
  background: #fff;
  border: 1px solid rgba(37, 99, 235, .12);
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 700;
  color: var(--dark-2);
  box-shadow: 0 4px 12px rgba(37, 99, 235, .06);
}

/* 2重上岸保障 */
.fs-guarantees {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  align-items: center;
}
.fs-guarantee-card {
  display: flex;
  align-items: center;
  gap: 20px;
  background: #fff;
  border: 1px solid rgba(37, 99, 235, .10);
  border-radius: 18px;
  padding: 28px;
  box-shadow: 0 10px 28px rgba(37, 99, 235, .06);
  position: relative;
  overflow: hidden;
}
.fs-guarantee-card:nth-child(1) { border-left: 4px solid #3b82f6; }
.fs-guarantee-card:nth-child(2) { border-left: 4px solid #0ea5e9; }
.fs-guarantee-num {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 72px;
  font-weight: 800;
  color: rgba(37, 99, 235, .06);
  line-height: 1;
  pointer-events: none;
}
.fs-guarantee-body h4 {
  font-size: 22px;
  font-weight: 800;
  color: var(--dark-2);
  margin-bottom: 12px;
}
.fs-guarantee-body ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.fs-guarantee-body li {
  position: relative;
  padding-left: 14px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.9;
}
.fs-guarantee-body li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
/* 1个终极宗旨 */
.fs-mission {
  background: #fff;
  border: 1px solid rgba(37, 99, 235, .10);
  border-radius: 18px;
  padding: 32px 24px;
  text-align: center;
  font-size: 24px;
  font-weight: 700;
  color: var(--dark-2);
  box-shadow: 0 10px 28px rgba(37, 99, 235, .06);
}

/* 首页平台：高质量就业指导交付体系 */
#platform { position: relative; overflow: hidden; }
#platform::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(800px 320px at 20% 10%, rgba(37,99,235,.08), transparent 55%),
    radial-gradient(600px 280px at 85% 90%, rgba(14,165,233,.08), transparent 55%);
}
.lead-lg { font-size: 26px; font-weight: 700; line-height: 1.45; color: var(--dark-2); max-width: 760px; margin: 0 auto; }
.platform-lead { max-width: 860px; margin: 0 auto 48px; text-align: center; }
.platform-lead p { font-size: 17px; line-height: 1.85; color: var(--muted); }

/* 首页平台：醒目核心主张卡片 */
.platform-statement {
  width: 100%; margin: 0 0 50px;
  background:
    linear-gradient(180deg, rgba(12, 20, 46, .84) 0%, rgba(12, 20, 46, .68) 50%, rgba(12, 20, 46, .58) 100%),
    url('../images/platform-statement-bg.jpg') center/cover no-repeat;
  border: 1px solid rgba(255, 255, 255, .12); border-radius: 26px;
  padding: 42px 52px; text-align: left;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .25);
  position: relative; overflow: hidden;
  color: #fff;
}
.platform-statement .ps-label { background: rgba(255, 255, 255, .12); color: #fff; border: 1px solid rgba(255, 255, 255, .2); }
.platform-statement .ps-slogan { color: #fff; }
.platform-statement .ps-slogan strong { background: none; -webkit-background-clip: initial; color: #a5b4ff; }
.platform-statement .ps-desc { background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .12); }
.platform-statement .ps-lead { color: rgba(255, 255, 255, .9); }
.platform-statement .ps-tags span { background: rgba(255, 255, 255, .1); color: rgba(255, 255, 255, .9); border-color: rgba(255, 255, 255, .18); }
.ps-label {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 16px; border-radius: 30px;
  background: linear-gradient(135deg, rgba(79,70,229,.10), rgba(14,165,233,.10));
  color: var(--primary); font-size: 13px; font-weight: 800; letter-spacing: .6px;
  margin-bottom: 20px;
}
.ps-slogan {
  font-size: 34px; font-weight: 800; line-height: 1.35; color: var(--dark-2);
  margin-bottom: 26px; letter-spacing: -.6px;
}
.ps-slogan strong {
  background: var(--gradient); background-size: 160% 160%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.ps-desc {
  background: var(--bg-soft); border-radius: 18px; padding: 26px 32px;
  text-align: left; border: 1px solid var(--border);
}
.ps-lead {
  font-size: 17px; line-height: 1.7; color: var(--dark-2); margin: 0 0 18px;
}
.ps-tags {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px;
}
.ps-tags span {
  display: flex; align-items: center; justify-content: flex-start;
  padding: 10px 8px; border-radius: 10px;
  background: rgba(79,70,229,.09); color: var(--primary);
  font-weight: 700; font-size: 14px;
  border: 1px solid rgba(79,70,229,.12); white-space: nowrap;
}

.delivery-points { gap: 20px; position: relative; z-index: 1; }
.delivery-point {
  display: flex; align-items: flex-start; gap: 18px;
  background: linear-gradient(145deg, #312e81 0%, #4338ca 55%, #4f46e5 100%);
  border-radius: 20px; padding: 28px;
  color: #fff; box-shadow: 0 12px 32px rgba(79, 70, 229, .26);
  transition: transform .3s ease, box-shadow .3s ease;
  position: relative; overflow: hidden;
}
.delivery-point::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, #22d3ee, #a78bfa);
}
.delivery-point:hover { transform: translateY(-7px); box-shadow: 0 20px 44px rgba(79, 70, 229, .38); }
.delivery-point.dp-standard::before { background: linear-gradient(90deg, #38bdf8, #22d3ee); }
.delivery-point.dp-personal::before { background: linear-gradient(90deg, #a78bfa, #c084fc); }
.delivery-point.dp-track::before { background: linear-gradient(90deg, #34d399, #2dd4bf); }
.delivery-point.dp-visual::before { background: linear-gradient(90deg, #fbbf24, #f59e0b); }
.delivery-point .dp-icon {
  flex: 0 0 48px; width: 48px; height: 48px; border-radius: 14px;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.18);
  display: flex; align-items: center; justify-content: center; color: #fff;
}
.delivery-point .dp-icon svg { width: 24px; height: 24px; }
.delivery-point .dp-body { flex: 1; }
.delivery-point .dp-label { display: block; font-size: 11px; font-weight: 800; letter-spacing: .08em; color: rgba(255,255,255,.55); margin-bottom: 6px; }
.delivery-point .dp-body h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.delivery-point .dp-body p { font-size: 14.5px; line-height: 1.7; color: rgba(255,255,255,.85); }
.delivery-point .dp-num {
  flex: 0 0 48px; width: 48px; height: 48px; border-radius: 12px;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 800; line-height: 1; color: rgba(255,255,255,.7);
}

@media (max-width: 720px) {
  .lead-lg { font-size: 20px; }
  .lead-lg br.hide-desktop { display: none; }
  .platform-statement { padding: 30px 22px; border-radius: 22px; }
  .ps-slogan { font-size: 24px; margin-bottom: 20px; }
  .ps-desc { padding: 20px 18px; }
  .ps-lead { font-size: 15.5px; margin-bottom: 14px; }
  .ps-tags { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .ps-tags span { font-size: 13px; padding: 9px 4px; }
  .delivery-point { flex-direction: column; padding: 24px; }
  .delivery-point .dp-num { position: absolute; top: 20px; right: 20px; }
}

/* 编号特性 */
.feature-item { display: flex; gap: 18px; }
.feature-num {
  flex: 0 0 48px; width: 48px; height: 48px; border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 18px;
}
.feature-item h4 { font-size: 18px; font-weight: 700; }
.feature-item p { margin-top: 6px; color: var(--muted); font-size: 15px; }

/* 服务主线时间轴 */
.timeline { position: relative; }
.timeline::before {
  content: ""; position: absolute; top: 24px; left: 24px; bottom: 0; width: 2px;
  background: linear-gradient(180deg, var(--primary), var(--accent)); opacity: .25;
}
.timeline .step { position: relative; padding-left: 64px; padding-bottom: 32px; }
.timeline .step:last-child { padding-bottom: 0; }
.timeline .step .dot {
  position: absolute; left: 13px; top: 4px; width: 24px; height: 24px; border-radius: 50%;
  background: #fff; border: 4px solid var(--primary); box-shadow: 0 0 0 6px rgba(37,99,235,.08);
}
.timeline .step h4 { font-size: 18px; font-weight: 700; }
.timeline .step p { margin-top: 6px; color: var(--muted); font-size: 15px; }

/* 能力流程 */
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; }
.flow .step { text-align: center; padding: 0 16px; position: relative; }
.flow .step .circle { width: 64px; height: 64px; border-radius: 50%; margin: 0 auto 16px; display: flex; align-items: center; justify-content: center; background: #fff; border: 2px solid var(--border); color: var(--primary); font-weight: 800; font-size: 20px; position: relative; z-index: 2; }
.flow .step.active .circle { background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; border-color: transparent; box-shadow: 0 8px 20px rgba(37, 99, 235, .3); }
.flow .step h4 { font-size: 17px; font-weight: 700; }
.flow .step p { margin-top: 6px; color: var(--muted); font-size: 14px; }
.flow::before { content: ""; position: absolute; top: 32px; left: 12%; right: 12%; height: 2px; background: var(--border); z-index: 1; }

/* 标签 */
.pill { display: inline-block; padding: 6px 14px; border-radius: 999px; background: var(--bg-soft-2); color: var(--dark-2); font-size: 13px; font-weight: 600; }

/* 图片展示 */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.img-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-sm); transition: transform .25s, box-shadow .25s;
}
.img-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.img-card img { width: 100%; height: auto; border-radius: 0; }
.img-card .cap { padding: 14px 16px; font-size: 14px; font-weight: 600; color: var(--dark-2); }
/* 竖向画廊：单列堆叠，图片按原始比例居中显示 */
.gallery.vertical { grid-template-columns: 1fr; max-width: 900px; margin: 0 auto; gap: 36px; }
.gallery.vertical img { width: auto; max-width: 100%; margin: 0 auto; display: block; }

/* 方案标签页 */
.tabs { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 40px; }
.tabs button {
  border: 1px solid var(--border); background: #fff; color: var(--muted); font-weight: 600;
  padding: 10px 20px; border-radius: 999px; cursor: pointer; transition: all .2s; font-size: 15px;
}
.tabs button.active, .tabs button:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* 五端协同 */
.collab-five { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.collab-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 24px 18px;
  text-align: center; transition: all .25s;
}
.collab-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: transparent; }
.collab-card .ico { width: 56px; height: 56px; margin: 0 auto 16px; border-radius: 50%; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, rgba(37,99,235,.1), rgba(6,182,212,.1)); color: var(--primary); }
.collab-card h4 { font-size: 16px; font-weight: 700; }
.collab-card p { margin-top: 8px; font-size: 13px; color: var(--muted); line-height: 1.6; }

/* CTA */
.cta-band {
  background:
    radial-gradient(600px 320px at 12% 20%, rgba(139, 92, 246, .45), transparent 60%),
    radial-gradient(600px 320px at 88% 90%, rgba(14, 165, 233, .4), transparent 60%),
    linear-gradient(120deg, #4338ca, #4f46e5 55%, #6366f1);
  color: #fff; border-radius: 26px; padding: 56px 48px; text-align: center; position: relative; overflow: hidden;
  box-shadow: 0 24px 60px rgba(79, 70, 229, .3);
}
.cta-band::after { content: ""; position: absolute; width: 420px; height: 420px; right: -120px; top: -160px; background: radial-gradient(circle, rgba(255, 255, 255, .16), transparent 65%); }
.cta-band h2 { font-size: 32px; font-weight: 800; }
.cta-band p { margin-top: 12px; opacity: .92; font-size: 17px; }
.cta-band .hero-cta { justify-content: center; margin-top: 28px; }
.cta-band .btn-ghost { color: #fff; border-color: rgba(255, 255, 255, .5); background: rgba(255,255,255,.08); backdrop-filter: blur(6px); }
.cta-band .btn-ghost:hover { background: rgba(255, 255, 255, .18); border-color: #fff; }

/* 占位页 */
.placeholder-page {
  position: relative; overflow: hidden; min-height: 100vh;
  display: flex; align-items: center; justify-content: center; text-align: center; padding: 80px 24px;
}
.placeholder-page .hero-overlay {
  position: absolute; inset: 0; z-index: 1; background: rgba(4, 10, 28, .55); pointer-events: none;
}
.placeholder-box {
  position: relative; z-index: 2; max-width: 520px;
  background: rgba(255, 255, 255, .94); border-radius: 24px; padding: 44px 40px;
  box-shadow: 0 30px 80px rgba(2, 8, 23, .4);
}
.placeholder-box .icon { width: 96px; height: 96px; margin: 0 auto 24px; border-radius: 50%; background: linear-gradient(135deg, rgba(37,99,235,.1), rgba(6,182,212,.1)); display: flex; align-items: center; justify-content: center; color: var(--primary); }
.placeholder-box h2 { font-size: 32px; font-weight: 800; }
.placeholder-box p { margin-top: 12px; color: var(--muted); }

/* 联系条 */
.contact-strip { background: var(--bg-soft-2); border-radius: var(--radius); padding: 32px; }
.contact-strip h3 { font-size: 20px; font-weight: 700; margin-bottom: 18px; }
.contact-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.contact-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 15px; color: var(--dark-2); }
.contact-list li svg { width: 20px; height: 20px; color: var(--primary); flex-shrink: 0; margin-top: 2px; }

/* ---------------- Guorai 页面 ---------------- */
.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

/* Guorai Hero */
.guorai-hero {
  position: relative; overflow: hidden;
  min-height: 100vh;
  padding: 120px 0 100px;
  display: flex; align-items: center;
  background: none;
}
.guorai-hero .hero-bg {
  position: absolute; inset: 0;
  z-index: 0;
}
.guorai-hero .hero-overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(4, 10, 28, .34) 0%, rgba(4, 10, 28, .16) 55%, rgba(4, 10, 28, .05) 100%),
    linear-gradient(180deg, rgba(4, 10, 28, .19) 0%, rgba(4, 10, 28, .06) 50%, rgba(4, 10, 28, .27) 100%);
  z-index: 1;
}
.guorai-hero .container { position: relative; z-index: 2; }
.guorai-hero-grid {
  display: grid; grid-template-columns: 1fr; gap: 40px; align-items: center;
}
.guorai-hero-text { position: relative; z-index: 1; max-width: 720px; }
.gh-tag {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 16px; border-radius: 999px;
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.18);
  box-shadow: 0 8px 24px rgba(0,0,0,.12);
  font-size: 13px; color: #fff; margin-bottom: 22px;
  backdrop-filter: blur(6px);
}
.gh-tag .gh-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 0 4px rgba(14,165,233,.35);
}
.gh-tag .gh-en { font-weight: 800; letter-spacing: .08em; color: #a5b4fc; }
.guorai-hero-text h1 { font-size: 52px; font-weight: 800; line-height: 1.15; color: #fff; margin-bottom: 18px; text-shadow: 0 4px 32px rgba(0,0,0,.55), 0 2px 10px rgba(0,0,0,.35); }
.guorai-hero-text h1 .gradient-text { background: linear-gradient(120deg, #60a5fa, #a78bfa, #c084fc); -webkit-background-clip: text; background-clip: text; color: transparent; }
.guorai-hero-text .gh-lead { font-size: 20px; font-weight: 600; color: #fff; margin-bottom: 12px; text-shadow: 0 2px 16px rgba(0,0,0,.50); }
.guorai-hero-text .gh-desc { font-size: 16px; line-height: 1.8; color: rgba(255,255,255,.90); max-width: 520px; margin-bottom: 28px; text-shadow: 0 2px 16px rgba(0,0,0,.50); }
.guorai-hero .hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.guorai-hero .btn-primary {
  background: linear-gradient(135deg, #4f46e5, #8b5cf6);
  border-color: transparent;
  box-shadow: 0 12px 32px rgba(79, 70, 229, .35);
}
.guorai-hero .btn-ghost {
  color: #fff;
  border-color: rgba(255,255,255,.45);
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(6px);
}
.guorai-hero .btn-ghost:hover { background: rgba(255,255,255,.18); border-color: #fff; }

/* Guorai Capabilities */
.guorai-capabilities { background: #fff; }
.guorai-cap-head { text-align: left; max-width: 720px; margin-bottom: 48px; }
.guorai-cap-head .tag,
.guorai-usage .tag {
  display: inline-block; color: var(--primary); font-weight: 700; font-size: 13px;
  letter-spacing: 1.5px; text-transform: uppercase;
  padding: 6px 14px; border-radius: 999px;
  background: linear-gradient(135deg, rgba(79,70,229,.1), rgba(14,165,233,.1));
  border: 1px solid rgba(99,102,241,.18);
}
.guorai-cap-head h2 { font-size: 34px; font-weight: 800; margin-top: 16px; letter-spacing: -.4px; }
.guorai-cap-head .cap-subtitle {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark-2);
  margin-top: 10px;
  line-height: 1.5;
}
.guorai-cap-head p { color: var(--muted); margin-top: 14px; line-height: 1.8; }
.guorai-cap-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.guorai-cap-card {
  position: relative; background: linear-gradient(180deg, #fff 0%, #f8fafc 100%);
  border: 1px solid var(--border); border-radius: 24px; padding: 32px 28px;
  box-shadow: var(--shadow-sm); transition: transform .25s ease, box-shadow .25s ease;
  overflow: hidden;
}
.guorai-cap-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.guorai-cap-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}
.guorai-cap-card:nth-child(2)::before { background: linear-gradient(90deg, #8b5cf6, #ec4899); }
.guorai-cap-card:nth-child(3)::before { background: linear-gradient(90deg, #0d9488, #22c55e); }
.guorai-cap-card .cap-icon {
  width: 56px; height: 56px; border-radius: 16px;
  background: rgba(37,99,235,.08); color: var(--primary);
  display: flex; align-items: center; justify-content: center; margin-bottom: 20px;
}
.guorai-cap-card:nth-child(2) .cap-icon { background: rgba(139,92,246,.08); color: #7c3aed; }
.guorai-cap-card:nth-child(3) .cap-icon { background: rgba(13,148,136,.08); color: #0d9488; }
.guorai-cap-card .cap-icon svg { width: 26px; height: 26px; }
.guorai-cap-card .cap-no { position: absolute; top: 22px; right: 24px; font-size: 14px; font-weight: 800; color: rgba(37,99,235,.25); }
.guorai-cap-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 10px; }
.guorai-cap-card p { font-size: 14.5px; color: var(--muted); line-height: 1.7; }

/* Guorai Usage */
.guorai-usage { background: linear-gradient(180deg, #f8fafc 0%, #fff 100%); }
.guorai-usage-desc { white-space: nowrap; }

.guorai-usage-grid {
  display: grid;
  grid-template-columns: 1fr 1.7fr;
  gap: 48px;
  align-items: stretch;
}
.guorai-usage-grid .guorai-chat { margin-top: 0; justify-content: flex-end; }
.guorai-usage-grid .chat-window { max-width: 100%; height: 100%; display: flex; flex-direction: column; }
.guorai-usage-grid .chat-body { flex: 1 1 auto; }

.usage-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  height: 100%;
}
.usage-step {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease;
}
.usage-step:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.usage-arrow {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 0;
  color: var(--primary);
}
.usage-arrow svg { width: 24px; height: 24px; }
.us-num {
  width: 40px; height: 40px; border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 14px;
}
.us-body h4 { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.us-body p { font-size: 14px; color: var(--muted); line-height: 1.7; }

/* Chat mockup */
.guorai-chat { display: flex; justify-content: center; }
.guorai-usage-grid .guorai-chat { margin-top: 150px; justify-content: flex-end; }
.chat-window {
  width: 100%; max-width: 420px; background: #fff; border-radius: 20px;
  border: 1px solid var(--border); box-shadow: 0 24px 60px rgba(37,99,235,.12);
  overflow: hidden;
}
.chat-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 20px; border-bottom: 1px solid var(--border);
  background: linear-gradient(90deg, #f8fafc, #fff);
}
.chat-title { font-size: 14px; font-weight: 700; color: var(--dark-2); }
.chat-status { font-size: 12px; color: var(--muted); }
.chat-status::before { content: ''; display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: #22c55e; margin-right: 6px; }
.chat-body { padding: 20px; display: flex; flex-direction: column; gap: 14px; }
.chat-bubble { padding: 14px 16px; border-radius: 14px; max-width: 90%; font-size: 14px; line-height: 1.7; }
.chat-bubble.user { align-self: flex-end; background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; border-bottom-right-radius: 4px; }
.chat-bubble.ai { align-self: flex-start; background: #f1f5f9; color: var(--dark-2); border-bottom-left-radius: 4px; }

/* Guorai CTA */
.guorai-cta {
  background:
    radial-gradient(900px 360px at 18% 0%, rgba(99,102,241,.10), transparent 55%),
    radial-gradient(700px 300px at 90% 100%, rgba(14,165,233,.08), transparent 55%),
    #fff;
}
.guorai-cta-head { text-align: left; margin-bottom: 10px; }
.guorai-cta-head .tag {
  display: inline-block; color: var(--primary); font-weight: 700; font-size: 13px;
  letter-spacing: 1.5px; text-transform: uppercase;
  padding: 6px 14px; border-radius: 999px;
  background: linear-gradient(135deg, rgba(79,70,229,.1), rgba(14,165,233,.1));
  border: 1px solid rgba(99,102,241,.18);
}
.guorai-cta-head h2 { font-size: 36px; font-weight: 800; margin-top: 16px; }
.guorai-cta-head > p { color: var(--muted); margin-top: 10px; font-size: 17px; }
.guorai-cta-body h3 { font-size: 22px; font-weight: 700; margin-bottom: 22px; }
.guorai-cta-body ul { display: flex; flex-direction: column; gap: 16px; }
.guorai-cta-body li { position: relative; padding-left: 32px; color: var(--muted); font-size: 15.5px; line-height: 1.75; }
.guorai-cta-body li strong { color: var(--dark-2); }
.guorai-cta-body li::before {
  content: ''; position: absolute; left: 0; top: 4px; width: 20px; height: 20px;
  border-radius: 50%; background: rgba(79,70,229,.12);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234f46e5' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-size: 12px; background-repeat: no-repeat; background-position: center;
}
.guorai-cta-visual {
  display: flex; align-items: center; justify-content: center;
  min-height: 340px;
}
.guorai-cta-visual svg { width: 100%; max-width: 420px; height: auto; filter: drop-shadow(0 24px 48px rgba(79,70,229,.18)); }
@media (max-width: 980px) {
  .guorai-cta-visual { min-height: 260px; }
}

/* ---------------- 页脚 ---------------- */
.footer { background: #000; color: #cbd5e1; padding: 64px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
.footer .logo { color: #fff; }
.footer .logo img { height: 46px !important; width: auto !important; filter: brightness(0) invert(1); transition: filter .25s ease, transform .25s ease; }
.footer .logo:hover img { transform: scale(1.04); }
.footer .logo:hover img { filter: brightness(0) invert(1) drop-shadow(0 0 8px rgba(255,255,255,.25)); }
.footer .about { margin-top: 16px; font-size: 14px; color: #94a3b8; max-width: 320px; }
.footer h4 { color: #fff; font-size: 15px; margin-bottom: 16px; }
.footer ul li { margin-bottom: 10px; }
.footer ul li a { color: #94a3b8; font-size: 14px; transition: color .2s; }
.footer ul li a:hover { color: #a5b4fc; }
.footer-bottom {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, .1);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #64748b;
  text-align: center;
  line-height: 1.8;
}
.footer-bottom a { color: #64748b; transition: color .2s; }
.footer-bottom a:hover { color: #a5b4fc; }

/* ---------------- 滚动揭示动画 ---------------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1024px) {
  .grid-5 { grid-template-columns: repeat(3, 1fr); }
  .collab-five { grid-template-columns: repeat(3, 1fr); }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .applicable-list { grid-template-columns: repeat(3, 1fr); }
  .guorai-hero-grid { grid-template-columns: 1fr; gap: 40px; text-align: left; }
  .guorai-hero-text .hero-cta { justify-content: flex-start; }
  .guorai-cap-grid { grid-template-columns: repeat(2, 1fr); }
  .guorai-hero-text h1 { font-size: 42px; }
}
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero h1 { font-size: 38px; }
  .hero-fullbg {
    height: 100svh;
    min-height: 100svh;
    padding: 0;
  }
  body[data-page="home"] .hero-fullbg .hero-brand,
body[data-page="business"] .hero-fullbg .hero-brand {
    margin: 160px 0 0 clamp(24px, 8vw, 80px);
    width: 120px;
    height: auto;
  }
  body[data-page="home"] .hero-fullbg .hero-text-group,
body[data-page="business"] .hero-fullbg .hero-text-group {
    width: auto;
    max-width: calc(100% - 48px);
    margin: 10px 0 0 clamp(24px, 8vw, 80px);
  }
  .hero-fullbg .hero-main-slogan {
    width: 240px;
    height: auto;
  }
  .hero-fullbg .hero-en {
    width: auto;
    height: auto;
    white-space: normal;
  }
  body[data-page="home"] .hero-fullbg .hero-cta,
body[data-page="business"] .hero-fullbg .hero-cta {
    margin-left: clamp(24px, 8vw, 80px);
  }
  .grid-3, .grid-2, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 36px 20px; }
  .flow { grid-template-columns: repeat(2, 1fr); gap: 36px 0; }
  .flow::before { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .service-line::before { left: 24px; }
  .service-item { width: calc(100% - 54px); margin-left: 54px; align-self: flex-start !important; }
  .service-item::after { left: -35px !important; right: auto !important; }
  .service-fullscreen-inner {
    width: calc(100% - 40px);
    padding: 88px 0 56px;
    gap: 28px;
  }
  .service-showcase {
    grid-template-columns: 1fr;
    gap: 22px;
    align-items: start;
  }
  .service-nav {
    flex-direction: row;
    overflow-x: auto;
    gap: 8px;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .service-nav::-webkit-scrollbar { display: none; }
  .service-nav-item {
    flex: 0 0 auto;
    min-width: 200px;
    border-left-width: 0;
    border-bottom: 3px solid transparent;
    border-radius: 12px;
    padding: 14px 16px;
  }
  .service-nav-item.active {
    border-bottom-color: #111827;
  }
  .service-panel { padding: 0; }
  .service-panel-inner { max-width: none; }
  .delivery-flow { flex-wrap: wrap; padding: 36px 28px; }
  .delivery-flow::before { display: none; }
  .delivery-step { flex: 1 1 32%; max-width: none; margin-left: 0; margin-bottom: 14px; }
  .delivery-step:nth-child(1),
  .delivery-step:nth-child(2),
  .delivery-step:nth-child(3),
  .delivery-step:nth-child(4),
  .delivery-step:nth-child(5) { margin-left: 0; }
  .delivery-arrow { display: none; }
  .ps-tags { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 1180px) {
  .nav { height: 80px; }
  .logo { font-size: 21px; margin-right: 14px; }
  .logo img { height: 44px; }
  .nav-links > a,
  .nav-links > .has-dropdown > a { font-size: 15px; padding: 8px 11px; }
  .nav-links > a.active::after,
  .nav-links > .has-dropdown.active > a::after { width: 18px; height: 4px; }
  .dropdown { top: 48px; min-width: 170px; }
  .dropdown a { font-size: 15px; padding: 10px 16px; }
}
@media (max-width: 720px) {
  .nav { height: 72px; justify-content: space-between; }
  .logo { font-size: 20px; margin-right: 0; }
  .logo img { height: 40px; }
  .nav-links { position: static; transform: none; margin-left: 0; }
  .nav-links.open > a,
  .nav-links.open > .has-dropdown > a { font-size: 16px; }
  .nav-links, .nav-cta .btn { display: none; }
  .hamburger { display: flex; }
  .hamburger span { box-shadow: 0 1px 4px rgba(0,0,0,.4); }
  .header.menu-open {
    background: #0b1020;
  }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    z-index: 120;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 18px 36px rgba(15, 23, 42, .14);
    padding: 12px 16px 18px;
    gap: 6px;
    align-items: stretch;
  }
  .nav-links.open > a + a::before,
  .nav-links.open > .has-dropdown + a::before,
  .nav-links.open > a + .has-dropdown::before,
  .nav-links.open > .has-dropdown + .has-dropdown::before { display: none; }
  .nav-links.open > a,
  .nav-links.open > .has-dropdown > a {
    width: 100%;
    border-radius: 12px;
    padding: 12px 16px;
    font-size: 16px;
    font-weight: 600;
    color: #1e2440;
    background: transparent;
  }
  .nav-links.open > a:hover,
  .nav-links.open > .has-dropdown > a:hover {
    color: #4f46e5;
    background: rgba(79, 70, 229, .08);
  }
  .nav-links.open > a.active,
  .nav-links.open > .has-dropdown.active > a {
    color: #4f46e5;
    background: rgba(79, 70, 229, .10);
  }
  .nav-links.open > .has-dropdown { width: 100%; }
  .nav-links.open .dropdown { position: static; transform: none; opacity: 1; pointer-events: auto; box-shadow: none; border: none; padding: 8px 0 0 12px; display: none; }
  .nav-links.open .has-dropdown.open .dropdown { display: block; }
  .nav-links.open .has-mega.open .mega-menu.dropdown {
    display: flex;
    flex-direction: column;
    width: 100%;
    transform: none;
    left: auto;
    top: auto;
    border: 0;
    box-shadow: none;
    overflow: visible;
    padding: 0;
  }
  .nav-links.open .mega-panels,
  .nav-links.open .mega-panels-only { padding: 0 0 8px; }
  .nav-links.open .mega-panel { grid-template-columns: 1fr; }
  .nav-links.open .mega-promo { display: none; }
  .nav-links.open .dropdown a { color: #1e2440; }
  .nav-links.open a.active::after { display: none; }
  .grid-5 { grid-template-columns: repeat(2, 1fr); }
  .collab-five { grid-template-columns: repeat(2, 1fr); }
  .contact-list { grid-template-columns: 1fr; }
  .applicable-list { grid-template-columns: repeat(2, 1fr); }
  .news-track { grid-template-columns: 1fr; }
  .guorai-cap-grid { grid-template-columns: 1fr; }
  .guorai-core { grid-template-columns: 1fr; gap: 28px; }
  .core-center { order: -1; }
  .core-orbit { width: 220px; height: 220px; }
  .core-ball { width: 150px; height: 150px; }
  .core-name { font-size: 26px; }
  .core-col { flex-direction: row; flex-wrap: wrap; }
  .core-card { flex: 1 1 45%; }
  .guorai-hero-text h1 { font-size: 34px; }
  .guorai-cap-head h2 { font-size: 26px; }
  .guorai-cta .cta-band h2 { font-size: 28px; }
  .chat-window { max-width: 100%; }
  .guorai-usage-grid { grid-template-columns: 1fr; }
  .guorai-usage-grid .guorai-chat { margin-top: 32px; justify-content: center; }
  .guorai-usage-grid .chat-window { height: auto; }
  .guorai-usage-desc { white-space: normal; }
  .usage-steps { flex-direction: column; gap: 0; }
  .usage-arrow { flex: 0 0 auto; padding: 10px 0; }
  .usage-arrow svg { transform: none; }
  .hero-fullbg {
    height: 100svh;
    min-height: 100svh;
    padding: 0;
  }
  body[data-page="home"] .hero-fullbg .hero-brand,
body[data-page="business"] .hero-fullbg .hero-brand {
    margin: 120px 0 0 24px;
    width: 100px;
    height: auto;
  }
  body[data-page="home"] .hero-fullbg .hero-text-group,
body[data-page="business"] .hero-fullbg .hero-text-group {
    margin: 10px 0 0 24px;
    max-width: calc(100% - 48px);
  }
  .hero-fullbg .hero-main-slogan { width: 180px; height: auto; }
  .hero-fullbg .hero-en {
    font-size: 13px;
    line-height: 1.4;
    white-space: normal;
    height: auto;
  }
  body[data-page="home"] .hero-fullbg .hero-cta,
body[data-page="business"] .hero-fullbg .hero-cta {
    margin: 24px 0 0 24px;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  body[data-page="home"] .hero-fullbg .hero-cta,
body[data-page="business"] .hero-fullbg .hero-cta .btn { width: 100%; max-width: 280px; }
}
@media (max-width: 680px) {
  .hero { padding: 64px 0 56px; }
  .hero h1 { font-size: 30px; }
  .hero-fullbg {
    height: 100svh;
    min-height: 100svh;
    padding: 0;
  }
  .hero-fullbg .hero-main-slogan { width: 150px; height: auto; }
  .page-hero h1 { font-size: 30px; }
  .section { padding: 60px 0; }
  .section-head h2 { font-size: 26px; }
  .grid-3, .grid-2, .grid-4, .grid-5 { grid-template-columns: 1fr; }
  .collab-five { grid-template-columns: 1fr; }
  .applicable-list { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-band { padding: 40px 24px; }
  .gallery { grid-template-columns: 1fr; }
  .tech-visual { min-height: 300px; }
  .loop-row { flex-direction: column; }
  .loop-row-reverse { flex-direction: column; }
  .loop-arrow { transform: rotate(90deg); margin: 4px 0; }
  .loop-connector { display: none; }
  .core-card { flex: 1 1 100%; }
  .core-orbit { width: 190px; height: 190px; }
  .core-ball { width: 126px; height: 126px; }
  .core-name { font-size: 22px; }
  .delivery-step { flex: 1 1 100%; max-width: none; margin-left: 0; }
  .delivery-arrow { display: none; }
  .loop-wrap { padding: 24px; }
}

/* 产品界面一览卡片 */
.ui-card { background: #fff; border: 1px solid var(--border); border-radius: 18px; padding: 26px; box-shadow: var(--shadow-sm); transition: transform .2s, box-shadow .2s; }
.ui-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.ui-header { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.ui-badge { flex-shrink: 0; width: 42px; height: 42px; border-radius: 12px; background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 14px; }
.ui-header h3 { font-size: 18px; color: var(--dark); }
.ui-desc { font-size: 14px; color: var(--muted); line-height: 1.65; margin-bottom: 16px; }
.ui-list { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.ui-list li { position: relative; padding-left: 18px; font-size: 14px; color: var(--dark-2); line-height: 1.55; }
.ui-list li::before { content: '›'; position: absolute; left: 0; top: -1px; color: var(--accent); font-weight: 800; font-size: 18px; }

/* ---------------- 国朝教育页 ---------------- */
.edu-hero { position: relative; overflow: hidden; min-height: 100vh; display: flex; align-items: center; color: #fff; padding: 120px 0 100px; background: none; }
.edu-hero .hero-bg {
  position: absolute; inset: 0;
  z-index: 0;
}
.edu-hero .hero-overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(11, 16, 38, .29) 0%, rgba(11, 16, 38, .12) 45%, rgba(11, 16, 38, .03) 100%),
    linear-gradient(180deg, rgba(11, 16, 38, .14) 0%, rgba(11, 16, 38, .04) 55%, rgba(11, 16, 38, .21) 100%);
  z-index: 1;
}
.edu-hero .container { position: relative; z-index: 2; }
.edu-hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: center; }
.edu-hero h1 { color: #fff; font-size: 48px; line-height: 1.15; text-shadow: 0 4px 28px rgba(0,0,0,.55), 0 2px 8px rgba(0,0,0,.35); }
.edu-hero h1 .hl-edu {
  background: linear-gradient(120deg, #fbbf24 0%, #f59e0b 50%, #f97316 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline;
}
.edu-hero .lead { color: #fff; font-size: 22px; font-weight: 600; margin-top: 10px; text-shadow: 0 2px 16px rgba(0,0,0,.45); }
.edu-hero .sub { color: rgba(255,255,255,.92); font-size: 16px; line-height: 1.7; margin-top: 18px; max-width: 540px; text-shadow: 0 2px 14px rgba(0,0,0,.45); }
.edu-hero-visual { text-align: center; }
.mascot-badge { width: 220px; height: 220px; border-radius: 50%; background: transparent; border: none; display: flex; align-items: center; justify-content: center; margin: 0 auto; overflow: visible; animation: deer-float 4s ease-in-out infinite; }
.mascot-badge img { width: 140%; height: 140%; object-fit: contain; filter: drop-shadow(0 16px 32px rgba(0,0,0,.35)); }
@keyframes deer-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.deer-icon { width: 56px; height: 56px; border-radius: 16px; background: linear-gradient(135deg, #f59e0b, #f97316); display: flex; align-items: center; justify-content: center; box-shadow: 0 8px 20px rgba(249, 115, 22, .28); overflow: hidden; }
.deer-icon img { width: 130%; height: 130%; object-fit: contain; filter: drop-shadow(0 4px 8px rgba(0,0,0,.18)); }

.cert-card { background: linear-gradient(135deg, #312e81, #4338ca); color: #fff; border-radius: 18px; padding: 36px 32px 40px; position: relative; overflow: hidden; box-shadow: var(--shadow); min-height: 260px; display: flex; flex-direction: column; }
.cert-card::before { content: ''; position: absolute; top: -40px; right: -40px; width: 120px; height: 120px; background: rgba(255,255,255,.08); border-radius: 50%; }
.cert-card .cert-ico { font-size: 42px; font-weight: 800; opacity: .35; line-height: 1; display: block; margin-bottom: 12px; }
.cert-card h3 { font-size: 20px; margin-bottom: 10px; }
.cert-card p { font-size: 14px; color: #c7d2fe; line-height: 1.65; }

.mission-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.mission-item { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 20px 22px; display: flex; align-items: flex-start; gap: 16px; }
.mission-item strong { flex-shrink: 0; background: linear-gradient(135deg, #4338ca, #6366f1); color: #fff; padding: 6px 14px; border-radius: 8px; font-size: 14px; }
.mission-item span { font-size: 15px; color: var(--dark-2); line-height: 1.6; }

.service-list { gap: 22px; }
.service-card { background: #fff; border: 1px solid var(--border); border-radius: 18px; padding: 26px; box-shadow: var(--shadow-sm); }
.service-card h3 { font-size: 18px; color: #4c1d95; margin-bottom: 16px; padding-bottom: 14px; border-bottom: 1px dashed #ddd6fe; }
.service-card ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.service-card li { position: relative; padding-left: 18px; font-size: 14px; color: var(--dark-2); line-height: 1.6; }
.service-card li::before { content: '✓'; position: absolute; left: 0; top: 0; color: var(--accent); font-weight: 700; }

/* 六大核心服务体系 · 全屏应用场景式 */
#services.service-dark.service-fullscreen {
  position: relative;
  isolation: isolate;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 0;
  margin: 0;
  background: #f3eee6;
  color: #111827;
  overflow: hidden;
  display: flex;
  align-items: stretch;
}
.service-bgs {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.service-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0;
  transform: scale(1.04);
  filter: brightness(0.68) contrast(1.06) saturate(1.02);
  transition: opacity .7s ease, transform 1.1s ease;
  pointer-events: none;
}
.service-bg.is-active {
  opacity: 1;
  transform: scale(1);
}
.service-bg-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(90% 80% at 50% 40%, rgba(255, 252, 247, .08) 0%, transparent 70%),
    linear-gradient(180deg, rgba(255, 250, 244, .14) 0%, rgba(255, 255, 255, .05) 45%, rgba(255, 246, 236, .12) 100%);
  pointer-events: none;
}
.service-fullscreen-inner {
  position: relative;
  z-index: 2;
  width: min(1280px, calc(100% - 64px));
  margin: 0 auto;
  padding: 96px 0 72px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 40px;
  min-height: 100vh;
  min-height: 100dvh;
  box-sizing: border-box;
}
#services.service-dark .service-head {
  margin: 0;
  max-width: 720px;
  text-align: left;
}
#services.service-dark .service-head h2 {
  color: #111827;
  font-size: clamp(36px, 4.2vw, 52px);
  font-weight: 750;
  letter-spacing: -.02em;
  line-height: 1.15;
  margin: 0 0 12px;
  text-shadow: 0 1px 0 rgba(255,255,255,.65);
}
#services.service-dark .service-head p {
  color: rgba(17, 24, 39, .78);
  font-size: 16px;
  line-height: 1.7;
  margin: 0;
  max-width: 36em;
  text-shadow: none;
}

.service-showcase {
  margin-top: 0;
  position: relative;
  display: grid;
  grid-template-columns: minmax(280px, 380px) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  flex: 1;
  min-height: 0;
}
.service-nav,
.service-panel { position: relative; z-index: 1; }

.service-nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
  justify-content: center;
}
.service-nav-item {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  text-align: left;
  padding: 16px 18px;
  border: none;
  border-left: 3px solid transparent;
  border-radius: 8px;
  background: rgba(255, 255, 255, .78);
  color: #111827;
  cursor: pointer;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.7), 0 8px 22px rgba(15, 23, 42, .1);
  transition: background .28s ease, border-color .28s ease, color .28s ease, box-shadow .28s ease;
}
.service-nav-item:hover {
  background: rgba(255,255,255,.62);
  color: #111827;
}
.service-nav-item.active {
  background: #fff;
  border-left-color: #fff;
  color: #111827;
  box-shadow: 0 14px 40px rgba(0,0,0,.2);
}
.service-nav-num {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  background: rgba(17, 24, 39, .14);
  color: #111827;
  transition: background .28s ease, color .28s ease;
}
.service-nav-item.active .service-nav-num {
  background: #111827;
  color: #fff;
}
.service-nav-label {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
}

.service-panel {
  display: flex;
  align-items: center;
  min-height: 100%;
  padding: 0;
}
.service-panel-inner {
  width: 100%;
  max-width: 560px;
  padding: 0;
  border-radius: 0;
  background: transparent;
  border: none;
  backdrop-filter: none;
  box-shadow: none;
  transition: opacity .28s ease, transform .28s ease;
}
.service-panel-inner.is-leaving {
  opacity: 0;
  transform: translateY(14px);
}
.service-panel-inner.is-entering {
  animation: service-panel-in .36s ease both;
}
@keyframes service-panel-in {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
.service-panel-inner h3 {
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 750;
  color: #111827;
  line-height: 1.25;
  margin-bottom: 18px;
  letter-spacing: -.02em;
  text-shadow: 0 1px 0 rgba(255,255,255,.6);
}
.service-desc {
  font-size: 16px;
  line-height: 1.85;
  color: rgba(17, 24, 39, .82);
  margin-bottom: 28px;
  max-width: 34em;
  text-shadow: none;
}
.service-panel-inner ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.service-panel-inner li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.65;
  color: rgba(17, 24, 39, .88);
  text-shadow: none;
}
.service-panel-inner li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #2563eb;
}

@media (max-width: 720px) {
  #services.service-dark.service-fullscreen {
    min-height: auto;
  }
  .service-fullscreen-inner {
    width: calc(100% - 32px);
    min-height: auto;
    padding: 80px 0 48px;
    gap: 22px;
  }
  #services.service-dark .service-head h2 {
    font-size: 30px;
  }
  .service-panel-inner h3 {
    font-size: 24px;
  }
  .service-desc {
    font-size: 15px;
    margin-bottom: 20px;
  }
  .service-panel-inner li {
    font-size: 13.5px;
  }
}

/* 七步上岸时间线 */
.timeline-section {
  position: relative;
  overflow: hidden;
  background-color: #f4f7fc;
  background-image:
    radial-gradient(780px 430px at 8% 8%, rgba(37,99,235,.17), transparent 63%),
    radial-gradient(700px 400px at 94% 94%, rgba(139,92,246,.17), transparent 63%),
    linear-gradient(180deg, #fafbff 0%, #e9f0fb 48%, #fafbff 100%);
}
.timeline-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(15,23,42,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15,23,42,.055) 1px, transparent 1px);
  background-size: 52px 52px;
  -webkit-mask-image: radial-gradient(72% 62% at 50% 46%, #000 0%, transparent 100%);
  mask-image: radial-gradient(72% 62% at 50% 46%, #000 0%, transparent 100%);
  pointer-events: none;
  z-index: 0;
}
.timeline-section > * { position: relative; z-index: 1; }

.timeline-full { width: 100%; padding: 0 clamp(14px, 3vw, 60px); }
.timeline-wrap { position: relative; margin-top: 24px; }
.timeline-svg {
  position: absolute;
  left: 0; top: 0;
  width: 100%; height: 100%;
  z-index: 0;
  overflow: visible;
  pointer-events: none;
}
.timeline-path {
  stroke: #111827;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  stroke-dasharray: var(--len, 2400);
  stroke-dashoffset: var(--len, 2400);
}
.timeline-wrap.active .timeline-path { animation: timeline-draw 2.4s linear forwards; }
@keyframes timeline-draw {
  from { stroke-dashoffset: var(--len, 2400); }
  to   { stroke-dashoffset: 0; }
}

.timeline-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  column-gap: 14px;
  row-gap: 88px;
}
.timeline-grid .timeline-node:nth-child(1) { grid-area: 1 / 1 / 2 / 2; }
.timeline-grid .timeline-node:nth-child(2) { grid-area: 2 / 2 / 3 / 3; }
.timeline-grid .timeline-node:nth-child(3) { grid-area: 1 / 3 / 2 / 4; }
.timeline-grid .timeline-node:nth-child(4) { grid-area: 2 / 4 / 3 / 5; }
.timeline-grid .timeline-node:nth-child(5) { grid-area: 1 / 5 / 2 / 6; }
.timeline-grid .timeline-node:nth-child(6) { grid-area: 2 / 6 / 3 / 7; }
.timeline-grid .timeline-node:nth-child(7) { grid-area: 1 / 7 / 2 / 8; }

.timeline-node {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 0;
  opacity: 0;
}
.timeline-node.up { align-self: end; }
.timeline-node.down { align-self: start; }
.timeline-wrap.active .timeline-node {
  animation: node-pop .6s ease both;
  animation-delay: calc(var(--i) * .22s);
}
@keyframes node-pop {
  from { opacity: 0; transform: scale(.85) translateY(20px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}
.node-dot {
  position: relative;
  z-index: 2;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #111827;
  border: 4px solid #fff;
  box-shadow: 0 0 0 2px #111827, 0 8px 18px rgba(15,23,42,.28);
  flex-shrink: 0;
}
.node-card {
  position: relative;
  background: #fff;
  border: 1px solid rgba(15,23,42,.09);
  border-radius: 16px;
  padding: 20px 20px 22px;
  width: 100%;
  overflow: hidden;
  box-shadow: 0 12px 30px rgba(15,23,42,.09);
  transition: transform .3s ease, box-shadow .3s ease;
}
.node-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, #2563eb, #7c3aed);
}
.node-card:hover { transform: translateY(-6px); box-shadow: 0 20px 44px rgba(15,23,42,.16); }
.node-card.above { margin-bottom: 18px; }
.node-card.below { margin-top: 18px; }
.node-no {
  font-size: 13px;
  font-weight: 800;
  color: #1d4ed8;
  letter-spacing: 1.5px;
  margin-bottom: 8px;
}
.node-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; color: #0f172a; }
.node-card p { font-size: 13.5px; color: var(--muted); line-height: 1.7; }

@media (max-width: 1180px) {
  .timeline-svg { display: none; }
  .timeline-grid { grid-template-columns: 1fr; row-gap: 14px; }
  .timeline-grid .timeline-node:nth-child(n) { grid-area: auto; align-self: stretch; }
  .node-dot { display: none; }
  .node-card.above, .node-card.below { margin: 0; }
  .node-card { padding: 18px 20px 20px; }
}

.teacher-role { display: flex; align-items: flex-start; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--border); }
.teacher-role:last-child { border-bottom: none; }
.teacher-role strong { flex-shrink: 0; background: #4c1d95; color: #fff; padding: 6px 12px; border-radius: 8px; font-size: 14px; }
.teacher-role span { font-size: 15px; color: var(--dark-2); line-height: 1.6; }

.course-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--border); border-radius: 14px; overflow: hidden; box-shadow: var(--shadow-sm); }
.course-table th { background: #312e81; color: #fff; text-align: left; padding: 16px 18px; font-size: 15px; }
.course-table td { padding: 16px 18px; border-bottom: 1px solid var(--border); font-size: 15px; color: var(--dark-2); }
.course-table tr:last-child td { border-bottom: none; }

.track-card { background: linear-gradient(180deg, #fff, #f5f3ff); border: 1px solid #c4b5fd; border-radius: 16px; padding: 26px 22px; text-align: center; transition: transform .25s, box-shadow .25s; }
.track-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.track-card .track-num { display: inline-block; width: 36px; height: 36px; border-radius: 10px; background: linear-gradient(135deg, #4338ca, #6366f1); color: #fff; font-weight: 800; line-height: 36px; margin-bottom: 12px; }
.track-card h3 { font-size: 18px; color: #4c1d95; margin-bottom: 10px; }
.track-card p { font-size: 14px; color: var(--muted); line-height: 1.6; }

/* 央企 logo 墙 · 三行循环滚动 */
.logo-wall { display: flex; flex-direction: column; gap: 14px; }
.logo-row {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent);
}
.logo-row-track {
  display: flex;
  gap: 14px;
  width: max-content;
  animation: logo-scroll-left var(--dur, 46s) linear infinite;
}
.logo-row[data-dir="right"] .logo-row-track { animation-name: logo-scroll-right; }
.logo-row:hover .logo-row-track { animation-play-state: paused; }

.logo-item {
  flex: 0 0 auto;
  width: 120px;
  height: 64px;
  padding: 9px 14px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform .3s, box-shadow .3s, border-color .3s;
}
.logo-item img {
  max-width: 100%;
  max-height: 46px;
  width: auto;
  height: auto;
  object-fit: contain;
  transition: transform .3s ease;
}
.logo-item:hover {
  transform: translateY(-3px);
  border-color: rgba(99, 102, 241, .35);
  box-shadow: 0 10px 24px rgba(79, 70, 229, .13);
}
.logo-item:hover img { transform: scale(1.06); }

@keyframes logo-scroll-left {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
@keyframes logo-scroll-right {
  0% { transform: translateX(-50%); }
  100% { transform: translateX(0); }
}
@media (max-width: 720px) {
  .logo-item { width: 96px; height: 54px; padding: 8px 10px; }
  .logo-item img { max-height: 38px; }
}

.enterprise-list { display: flex; flex-wrap: wrap; gap: 10px; }
.enterprise-list span { background: #f5f3ff; border: 1px solid #ddd6fe; border-radius: 8px; padding: 8px 12px; font-size: 13px; color: var(--dark-2); }

.campus-card { background: #fff; border: 1px solid var(--border); border-radius: 16px; padding: 26px; height: 100%; }
.campus-card h3 { font-size: 18px; color: var(--dark); margin-bottom: 16px; }
.campus-row { display: flex; align-items: flex-start; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--border); }
.campus-row:last-child { border-bottom: none; }
.campus-row strong { flex-shrink: 0; color: #4c1d95; font-size: 14px; }
.campus-row span { font-size: 15px; color: var(--dark-2); }
.campus-card .quote { font-size: 16px; color: var(--dark-2); line-height: 1.8; font-style: italic; }

/* 高质量就业服务触控平台 */
.kiosk-showcase {
  display: grid; grid-template-columns: 260px 1fr; gap: 52px; align-items: center;
  background: linear-gradient(135deg, #312e81 0%, #4338ca 55%, #4f46e5 100%);
  border-radius: 28px; padding: 50px; color: #fff; margin-bottom: 28px;
  position: relative; overflow: hidden;
  box-shadow: 0 24px 60px rgba(49, 46, 129, .28);
}
.kiosk-showcase::before {
  content: ''; position: absolute; top: -90px; right: -60px;
  width: 320px; height: 320px; background: rgba(255,255,255,.08);
  border-radius: 50%; filter: blur(70px);
}
.kiosk-showcase::after {
  content: ''; position: absolute; bottom: -60px; left: -40px;
  width: 220px; height: 220px; background: rgba(251, 191, 36, .12);
  border-radius: 50%; filter: blur(60px);
}
.kiosk-deer-visual {
  position: relative; z-index: 1;
  display: flex; flex-direction: column; align-items: center; gap: 18px;
}
.kiosk-deer-visual .deer-icon {
  width: 130px; height: 130px; border-radius: 50%;
  background: linear-gradient(135deg, #fbbf24, #f97316);
  box-shadow: 0 22px 55px rgba(249, 115, 22, .38), inset 0 2px 0 rgba(255,255,255,.2);
  animation: deer-float 4s ease-in-out infinite;
}
.kiosk-deer-visual .deer-icon img { width: 130%; height: 130%; }
.kiosk-deer-label {
  font-size: 14px; font-weight: 700; letter-spacing: .5px;
  padding: 8px 18px; background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2); border-radius: 30px;
}
.kiosk-intro { position: relative; z-index: 1; }
.kiosk-intro h3 { font-size: 32px; margin-bottom: 8px; color: #fff; letter-spacing: -.3px; }
.kiosk-sub { color: #c7d2fe; font-size: 15px; margin-bottom: 18px; }
.kiosk-desc { color: #e0e7ff; font-size: 16px; line-height: 1.75; margin-bottom: 26px; max-width: 640px; }
.kiosk-points { list-style: none; display: flex; flex-direction: column; gap: 13px; }
.kiosk-points li { display: flex; align-items: center; gap: 12px; color: #fff; font-size: 15px; font-weight: 500; }
.kp-dot { width: 9px; height: 9px; border-radius: 50%; background: #fbbf24; box-shadow: 0 0 0 4px rgba(251,191,36,.22); }

.kiosk-feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.kiosk-feature-card { position: relative; overflow: hidden; padding: 28px; border-radius: 20px; transition: transform .3s, box-shadow .3s; }
.kiosk-feature-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: var(--kf-accent, var(--gradient)); opacity: .95;
}
.kiosk-feature-card:hover { transform: translateY(-6px); box-shadow: 0 18px 40px rgba(15,23,42,.1); }
.kf-icon { width: 50px; height: 50px; border-radius: 14px; display: flex; align-items: center; justify-content: center; margin-bottom: 18px; color: #fff; }
.kf-icon svg { width: 24px; height: 24px; }
.kf-orange { background: linear-gradient(135deg, #f59e0b, #f97316); }
.kf-blue { background: linear-gradient(135deg, #3b82f6, #0ea5e9); }
.kf-purple { background: linear-gradient(135deg, #8b5cf6, #a78bfa); }
.kf-green { background: linear-gradient(135deg, #10b981, #34d399); }
.kf-red { background: linear-gradient(135deg, #ef4444, #f87171); }
.kf-indigo { background: linear-gradient(135deg, #4f46e5, #6366f1); }
.kiosk-feature-card h4 { font-size: 18px; margin-bottom: 8px; color: var(--dark-2); }
.kiosk-feature-card p { font-size: 14px; color: var(--muted); line-height: 1.65; }

@media (max-width: 1024px) {
  .edu-hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .edu-hero-card { max-width: 420px; margin: 0 auto; }
  .kiosk-showcase { grid-template-columns: 1fr; text-align: center; gap: 32px; padding: 40px 32px; }
  .kiosk-points { align-items: center; }
  .kiosk-desc { margin-left: auto; margin-right: auto; }
}
@media (max-width: 720px) {
  .edu-hero { padding: 72px 0 60px; }
  .edu-hero h1 { font-size: 34px; }
  .mission-item { flex-direction: column; gap: 10px; }
  .teacher-role { flex-direction: column; gap: 8px; }
  .campus-row { flex-direction: column; gap: 4px; }
  .kiosk-feature-grid { grid-template-columns: 1fr; }
  .kiosk-showcase { padding: 32px 24px; }
  .kiosk-intro h3 { font-size: 24px; }
  .kiosk-deer-visual .deer-icon { width: 110px; height: 110px; }
}

/* 首页「公司动态」深色适配（该区块已从关于页迁至首页）
   注意：关于页 news 区块同样带 id="news"，但其 class 为 news-section（白色主题），
   故此处统一用 :not(.news-section) 限定，避免深色规则外溢到关于页。 */
#news.section:not(.news-section) {
  background: #1a1d24;
}
#news:not(.news-section) .section-head {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}
#news:not(.news-section) .section-head .tag {
  color: #93c5fd;
  background: rgba(147, 197, 253, .10);
  border-color: rgba(147, 197, 253, .25);
}
#news:not(.news-section) .section-head h2 { color: #fff; }
#news:not(.news-section) .section-head p { color: rgba(255, 255, 255, .72); }
#news:not(.news-section) .card {
  background: rgba(255, 255, 255, .06);
  border-color: rgba(255, 255, 255, .12);
}
#news:not(.news-section) .card:hover {
  box-shadow: 0 24px 60px rgba(0, 0, 0, .45);
  border-color: rgba(255, 255, 255, .22);
}
#news:not(.news-section) .news-card h3 { color: #fff; }
#news:not(.news-section) .news-card p { color: rgba(255, 255, 255, .78); }
#news:not(.news-section) .home-news-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}
#news:not(.news-section) .home-news-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  color: inherit;
  text-decoration: none;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
#news:not(.news-section) .home-news-card:hover {
  transform: translateY(-4px);
  border-color: rgba(79, 70, 229, .28);
  box-shadow: 0 20px 48px rgba(17, 22, 42, .12);
}
#news:not(.news-section) .home-news-card:hover h3 {
  color: var(--primary);
}
#news:not(.news-section) .home-news-card-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-soft), var(--bg-soft-2));
}
#news:not(.news-section) .home-news-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .4s ease;
}
#news:not(.news-section) .home-news-card:hover .home-news-card-media img {
  transform: scale(1.04);
}
#news:not(.news-section) .home-news-card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 20px 22px 24px;
}
#news:not(.news-section) .home-news-card-body .news-meta {
  margin-bottom: 0;
}
#news:not(.news-section) .home-news-card h3 {
  margin: 10px 0 0;
  font-size: 17px;
  line-height: 1.45;
  font-weight: 700;
  color: #0f172a;
  transition: color .25s ease;
}
#news:not(.news-section) .home-news-card p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
@media (max-width: 900px) {
  #news:not(.news-section) .home-news-grid {
    grid-template-columns: 1fr;
  }
}
#news:not(.news-section) .news-more {
  display: flex;
  justify-content: center;
  margin-top: 36px;
}
#news:not(.news-section) .news-more-btn {
  color: #fff;
  border-color: rgba(255, 255, 255, .45);
  background: rgba(255, 255, 255, .08);
  backdrop-filter: blur(6px);
  box-shadow: none;
  padding: 12px 36px;
}
#news:not(.news-section) .news-more-btn:hover {
  background: rgba(255, 255, 255, .18);
  border-color: #fff;
  color: #fff;
  box-shadow: none;
}

/* 联系我们表单（白色背景） */
.contact-section {
  position: relative;
  background: #ffffff;
  padding: 80px 0;
  color: var(--dark-1);
}
.contact-section .container {
  position: relative;
  z-index: 1;
}
.contact-head {
  margin-bottom: 40px;
}
/* 字号与各页区块小标题统一（.section-head h2 = 34px），保证各页「联系我们」大小一致 */
.contact-head h2 {
  font-size: 34px;
  font-weight: 800;
  color: var(--dark-1);
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: -0.8px;
}
.contact-head h2 .hl {
  background: linear-gradient(120deg, #4f46e5, #0ea5e9);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.contact-head .tag {
  color: var(--primary);
  background: rgba(79, 70, 229, .08);
  border-color: rgba(79, 70, 229, .22);
}
.contact-head p {
  font-size: 17px;
  color: var(--muted);
  line-height: 1.7;
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.contact-card {
  background: #f8fafc;
  border: 1px solid rgba(15, 23, 42, .08);
  border-radius: 28px;
  padding: 48px 56px;
  box-shadow: 0 20px 60px rgba(15, 23, 42, .08);
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.form-group label,
.checkbox-label {
  font-size: 15px;
  font-weight: 600;
  color: var(--dark-2);
}
.required {
  color: #ef4444;
  margin-right: 4px;
}
.form-group input[type="text"],
.form-group input[type="tel"] {
  width: 100%;
  border: 0;
  border-bottom: 1px solid rgba(15, 23, 42, .18);
  padding: 12px 0;
  font-size: 16px;
  color: var(--dark-1);
  background: transparent;
  outline: none;
  transition: border-color .2s;
}
.form-group input[type="text"]:focus,
.form-group input[type="tel"]:focus {
  border-bottom-color: var(--primary);
}
.form-group input::placeholder {
  color: rgba(15, 23, 42, .38);
}
.form-group select {
  width: 100%;
  border: 0;
  border-bottom: 1px solid rgba(15, 23, 42, .18);
  padding: 12px 0;
  font-size: 16px;
  color: var(--dark-1);
  background: transparent;
  outline: none;
  transition: border-color .2s;
  cursor: pointer;
}
.form-group select:focus {
  border-bottom-color: var(--primary);
}
.form-group select:required:invalid {
  color: rgba(15, 23, 42, .38);
}
/* 下拉选项在浅色背景下保持可读 */
.form-group select option {
  background: #fff;
  color: var(--dark-1);
}
.form-row-campus {
  grid-template-columns: 0.45fr 0.55fr;
  gap: 36px;
  align-items: stretch;
}
.campus-form-left {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 28px;
}
.campus-select-group {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}
.campus-info {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
}
.campus-info-item {
  background: #fff;
  border: 1px solid rgba(15, 23, 42, .08);
  border-radius: 16px;
  padding: 18px 20px;
}
.campus-info-item h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--dark-1);
  margin-bottom: 6px;
}
.campus-info-item p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.5;
  margin: 0;
}
.campus-info-item .campus-tel {
  margin-top: 4px;
  color: var(--primary);
  font-weight: 600;
}
.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin-top: 4px;
}
.checkbox-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 15px;
  color: var(--dark-2);
  user-select: none;
}
.checkbox-item:hover {
  color: var(--dark-1);
}
.checkbox-item input[type="radio"] {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(15, 23, 42, .28);
  border-radius: 50%;
  margin: 0;
  position: relative;
  cursor: pointer;
  transition: border-color .2s, background .2s;
}
.checkbox-item input[type="radio"]:checked {
  border-color: var(--primary);
  background: var(--primary);
}
.checkbox-item input[type="radio"]:checked::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #fff;
}
.contact-submit {
  align-self: flex-start;
  border-radius: 999px;
  padding: 14px 48px;
  background: linear-gradient(135deg, #4f46e5, #0ea5e9);
  border: none;
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(79, 70, 229, .35);
  transition: transform .2s, box-shadow .2s;
}
.contact-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(79, 70, 229, .45);
}

/* 首页「联系我们」深色适配（与「最新动态」#news 深色区块一致）
   仅匹配首页带 .soft 的 contact-section，其他页面白色版 contact-section 不受影响。 */
.section.soft.contact-section {
  background: #1a1d24;
}
.section.soft.contact-section .contact-head h2 {
  color: #fff;
}
.section.soft.contact-section .contact-head .tag {
  color: #93c5fd;
  background: rgba(147, 197, 253, .10);
  border-color: rgba(147, 197, 253, .25);
}
.section.soft.contact-section .contact-head p {
  color: rgba(255, 255, 255, .72);
}
.section.soft.contact-section .contact-card {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .12);
  box-shadow: 0 24px 60px rgba(0, 0, 0, .35);
}
.section.soft.contact-section .form-group label,
.section.soft.contact-section .checkbox-label {
  color: rgba(255, 255, 255, .85);
}
.section.soft.contact-section .form-group input[type="text"],
.section.soft.contact-section .form-group input[type="tel"],
.section.soft.contact-section .form-group select {
  color: #fff;
  border-bottom-color: rgba(255, 255, 255, .28);
}
.section.soft.contact-section .form-group input::placeholder {
  color: rgba(255, 255, 255, .38);
}
.section.soft.contact-section .form-group input[type="text"]:focus,
.section.soft.contact-section .form-group input[type="tel"]:focus {
  border-bottom-color: #93c5fd;
}
.section.soft.contact-section .checkbox-item {
  color: rgba(255, 255, 255, .85);
}
.section.soft.contact-section .checkbox-item:hover {
  color: #fff;
}
.section.soft.contact-section .checkbox-item input[type="radio"] {
  border-color: rgba(255, 255, 255, .35);
}
.section.soft.contact-section .checkbox-item input[type="radio"]:checked {
  border-color: var(--primary);
  background: var(--primary);
}
.section.soft.contact-section .required {
  color: #f87171;
}

/* 提交成功弹窗 */
.contact-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
}
.contact-modal.active {
  display: flex;
}
.contact-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, .55);
  backdrop-filter: blur(4px);
}
.contact-modal-content {
  position: relative;
  background: #fff;
  border-radius: 24px;
  padding: 48px;
  text-align: center;
  max-width: 420px;
  width: 90%;
  box-shadow: 0 24px 80px rgba(15, 23, 42, .2);
  animation: modalIn .3s ease;
}
.contact-modal-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, #4f46e5, #0ea5e9);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 700;
}
.contact-modal-content h3 {
  font-size: 24px;
  margin-bottom: 12px;
  color: #0f172a;
}
.contact-modal-content p {
  font-size: 16px;
  color: #475569;
  margin-bottom: 28px;
  line-height: 1.6;
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(20px) scale(.96); }
  to { opacity: 1; transform: none; }
}

/* 「联系我们」标题窄屏字号同步对齐 .section-head h2（≤680px 时为 26px） */
@media (max-width: 680px) {
  .contact-head h2 { font-size: 26px; }
}
@media (max-width: 720px) {
  .contact-card { padding: 32px 24px; border-radius: 22px; }
  .form-row { grid-template-columns: 1fr; gap: 28px; }
  .form-row-campus { grid-template-columns: 1fr; }
  .campus-form-left { gap: 24px; }
  .checkbox-group { gap: 16px; }
  .contact-submit { width: 100%; align-self: stretch; }
  .contact-modal-content { padding: 36px 24px; }
}

/* ===== AI 业务方向交互展示（首页「国朝集团是谁」下方） ===== */
.ai-services-showcase {
  margin-top: 40px;
  background:
    linear-gradient(160deg, rgba(10, 18, 42, .82) 0%, rgba(8, 16, 38, .78) 60%, rgba(10, 18, 42, .84) 100%),
    url('../images/ai-core-bg.jpg') center/cover no-repeat;
  border-radius: 28px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.25), 0 8px 24px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  color: #fff;
}
.ai-services-showcase .ai-showcase-title,
.ai-services-showcase .ai-panel-title { color: #ffffff; }
.ai-services-showcase .ai-showcase-sub,
.ai-services-showcase .ai-panel-desc { color: rgba(255, 255, 255, .78); }
.ai-services-showcase .ai-panel-tag { color: #93c5fd; }
.ai-services-showcase .ai-panel-subtitle { color: #a5b4ff; }
.ai-services-showcase .ai-tabs { border-right-color: rgba(255, 255, 255, .1); }
.ai-services-showcase .ai-tab { color: rgba(255, 255, 255, .65); }
.ai-services-showcase .ai-tab:hover { background: rgba(255, 255, 255, .08); color: rgba(255, 255, 255, .9); }
.ai-showcase-head {
  padding: 34px 44px 0;
}
.ai-showcase-title {
  position: relative;
  display: inline-block;
  font-size: 26px;
  font-weight: 800;
  color: #111827;
  margin: 0;
  padding-left: 18px;
  line-height: 1.3;
}
.ai-showcase-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  width: 6px;
  height: 24px;
  border-radius: 3px;
  background: linear-gradient(135deg, #6d5dfc 0%, #3b82f6 100%);
}
.ai-showcase-sub {
  margin: 10px 0 0;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.7;
  color: #6b7280;
}
.ai-showcase-body {
  display: flex;
  flex: 1;
  min-height: 540px;
}
.ai-tabs {
  width: 260px;
  flex-shrink: 0;
  padding: 36px 18px 36px 24px;
  border-right: 1px solid rgba(91, 76, 255, 0.08);
}
.ai-tab {
  display: block;
  width: 100%;
  text-align: left;
  padding: 15px 20px;
  margin-bottom: 10px;
  border: none;
  border-radius: 30px;
  background: transparent;
  cursor: pointer;
  transition: all 0.25s ease;
  color: #6b7280;
}
.ai-tab:hover {
  background: rgba(255, 255, 255, 0.5);
  color: #4b5563;
}
.ai-tab.active {
  background: #ffffff;
  color: #5b4cff;
  box-shadow: 0 6px 20px rgba(91, 76, 255, 0.12);
}
.ai-tab-num {
  display: block;
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 4px;
  opacity: 0.7;
}
.ai-tab-title {
  display: block;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.3;
}
.ai-tab-subtitle {
  display: block;
  font-size: 12px;
  font-weight: 400;
  margin-top: 3px;
  opacity: 0.75;
}
.ai-content {
  flex: 1;
  padding: 44px 52px;
  position: relative;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.ai-panel {
  display: none;
  animation: aiFadeIn 0.35s ease;
}
.ai-panel.active { display: block; }
@keyframes aiFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.ai-panel-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: #5b4cff;
  margin-bottom: 14px;
  letter-spacing: 0.5px;
}
.ai-panel-title {
  font-size: 32px;
  font-weight: 800;
  color: #111827;
  margin: 0 0 12px 0;
  line-height: 1.25;
}
.ai-panel-subtitle {
  font-size: 18px;
  font-weight: 700;
  color: #5b4cff;
  margin: 0 0 16px 0;
}
.ai-panel-desc {
  font-size: 15.5px;
  line-height: 1.85;
  color: #4b5563;
  margin: 0 0 34px 0;
  max-width: 640px;
}
.ai-feature-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.ai-feature-card {
  background: #ffffff;
  border-radius: 16px;
  padding: 18px 22px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
  transition: transform 0.2s, box-shadow 0.2s;
}
.ai-feature-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(91, 76, 255, 0.08);
}
.ai-feature-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, #5b4cff, #3b82f6);
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(91, 76, 255, 0.25);
}
.ai-feature-text {
  font-size: 15px;
  font-weight: 600;
  color: #1f2937;
  line-height: 1.5;
}
@media (max-width: 900px) {
  .ai-showcase-head { padding: 26px 24px 0; }
  .ai-showcase-title { font-size: 22px; }
  .ai-showcase-sub { padding-left: 18px; font-size: 14px; }
  .ai-showcase-body { flex-direction: column; }
  .ai-services-showcase .ai-tabs {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, .1);
    padding: 22px;
    display: flex;
    gap: 10px;
    overflow-x: auto;
  }
  .ai-tab {
    flex: 0 0 auto;
    min-width: 150px;
    margin-bottom: 0;
    padding: 13px 17px;
  }
  .ai-content { padding: 30px 24px; }
  @media (max-width: 600px) {
  .ai-panel-title { font-size: 26px; }
  .ai-panel-subtitle { font-size: 16px; }
}
}

/* 五星体系响应式 */
@media (max-width: 1100px) {
  .fs-modules { grid-template-columns: repeat(3, 1fr); }
  .fs-privileges { grid-template-columns: repeat(2, 1fr); }
  .fs-guarantees { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .five-star-section .section-head h2 { font-size: 28px; }
  .five-star-title { font-size: 18px; margin: 32px 0 18px; }
  .fs-modules { grid-template-columns: repeat(2, 1fr); }
  .fs-privileges { grid-template-columns: 1fr; }
  .fs-timeline { flex-wrap: wrap; gap: 18px 0; }
  .fs-timeline-line { display: none; }
  .fs-timeline-item { flex: 1 1 30%; }
  .fs-guarantee-num { font-size: 52px; }
  .fs-mission { font-size: 18px; padding: 24px 18px; }
}
@media (max-width: 480px) {
  .fs-modules { grid-template-columns: 1fr; }
  .fs-timeline-item { flex: 1 1 45%; }
  .fs-guarantee-card { padding: 20px; }
}

/* ==================================================================
   联系表单蜜罐字段
   正常访客看不见也不会填；机器人会填，填了就当作垃圾提交丢弃。
   不用 display:none（部分机器人会跳过隐藏元素），而是移出可视区。
   ================================================================== */
.hp-field {
  position: absolute !important;
  left: -9999px !important;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}


/* ===== 导航当前页高亮：只改颜色与下划线，不改变尺寸 ===== */
/* 与 .nav-links > .has-dropdown > a 的基础值保持一致：
   字号 17px / 内边距 9px 14px，≤1180px 时 15px / 8px 11px。
   这里显式钉死激活态，确保「当前页」不会比其它导航项小。 */
.nav-links > a.active,
.nav-links > .has-dropdown.active > a {
  font-size: 17px;
  padding: 9px 14px;
  white-space: nowrap;
}

@media (max-width: 1180px) {
  .nav-links > a.active,
  .nav-links > .has-dropdown.active > a {
    font-size: 15px;
    padding: 8px 11px;
  }
}


/* ===== 普通导航项：当前页高亮与「国朝标志」完全一致 ===== */
/* style.css 里 .nav-links > a.active 与 .nav-links > .has-dropdown.active > a
   被写在同一个分组里，导致普通导航项在「当前页」时多出
   纯白字 + 白色药丸底 + 加粗 + 白色下划线，看起来和别的导航项不一样。
   这里把普通导航项还原成与普通状态完全一致，只保留 hover 反馈。
   （下拉父项「产品中心」的高亮保持不变，它需要展开提示。） */
.nav-links > a.active {
  color: rgba(255, 255, 255, .85);
  background: none;
  font-weight: 500;
}

.nav-links > a.active::after {
  content: none;
  display: none;
}

.nav-links > a.active:hover {
  color: #fff;
  background: rgba(255, 255, 255, .10);
}

@media (max-width: 1180px) {
  .nav-links > a.active {
    font-size: 15px;
    padding: 8px 11px;
  }
}


/* ===== 硬保险：横向溢出不得撑宽布局视口 ===== */
/* 出现过的现象：某个元素比视口宽 → 文档被撑宽 → 浏览器为避免横向滚动，
   把整页缩放到适应（例如布局视口 1066.67px / 可视区 800px = 75%），
   结果「所有文字和按钮都小了一圈」，导航栏 div 也被量成 1066.67 × 80。
   下面三道保险各自独立，任一生效都能挡住这个连锁反应。 */

/* 1) 横向一律不外溢：文档宽度不可能超过视口 */
html,
body {
  max-width: 100%;
  overflow-x: clip;
}

/* 2) 导航栏显式钉成视口宽（fixed 元素本身就以视口为基准，这里再写死一遍） */
.header {
  width: 100%;
  left: 0;
  right: 0;
}

/* 3) 关掉移动端浏览器的自动文字缩放（有的机型会把整段文字放大或压小） */
html {
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

/* SEO: screen-reader only text (not display:none) */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
