/* ==========================================================================
   锦澜.商标 官网 — 全局样式
   视觉：大面积蓝 + 浅蓝底；版式参考 fullpage 整屏滚动框架
   ========================================================================== */
:root {
  --blue-950: #061e46;
  --blue-900: #0a2f6b;
  --blue-800: #0d3c8b;
  --blue-700: #0b4da2;
  --blue-600: #1259c3;
  --blue-500: #1668dc;
  --blue-400: #3b8bf0;
  --cyan-400: #35b6ff;
  --sky-100: #dcebfd;
  --bg-light: #edf4fc;
  --bg-light-2: #e2edfa;
  --white: #ffffff;
  --ink: #16273f;
  --ink-2: #4c5f7d;
  --ink-3: #8296b3;
  --line: #d4e3f6;
  --shadow-sm: 0 2px 10px rgba(11, 77, 162, .08);
  --shadow-md: 0 10px 30px rgba(11, 77, 162, .14);
  --shadow-lg: 0 24px 60px rgba(10, 47, 107, .22);
  --radius: 14px;
  --header-h: 92px;
  --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: clip; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg-light);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; border: 0; cursor: pointer; background: none; }
input, textarea, select { font-family: inherit; font-size: 15px; }

.container { width: min(1200px, 92%); margin: 0 auto; }

/* ---------- 整屏滚动（首页 fullpage 框架） ---------- */
@media (min-width: 1025px) {
  html.fp-scroll { scroll-snap-type: y proximity; }
  .fp-section { scroll-snap-align: start; }
}

/* ==========================================================================
   顶部导航
   ========================================================================== */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: var(--header-h);
  display: flex; align-items: center;
  background: #ffffff;
  box-shadow: 0 1px 0 rgba(21, 66, 133, .08);
}
.site-header.scrolled {
  background: rgba(255, 255, 255, .97);
  box-shadow: 0 6px 24px rgba(10, 47, 107, .12);
  backdrop-filter: blur(10px);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 10px; }

/* Logo */
.logo { display: flex; align-items: center; gap: 12px; color: #fff; transition: color .3s; }
.site-header.scrolled .logo { color: var(--blue-800); }
.logo-mark {
  width: 42px; height: 42px; border-radius: 11px; flex: 0 0 auto;
  background: linear-gradient(135deg, var(--blue-500), var(--cyan-400));
  display: grid; place-items: center;
  box-shadow: 0 6px 16px rgba(22, 104, 220, .38);
}
.logo-mark svg { width: 24px; height: 24px; }
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-name { font-size: 24px; font-weight: 800; letter-spacing: 2px; }
.logo-sub { font-size: 11px; letter-spacing: 3.5px; opacity: .85; }
.logo-sub { white-space: nowrap; }
.logo-tm {
  align-self: flex-start; margin-left: 2px; padding: 0 6px; border-radius: 6px;
  font-size: 11px; font-weight: 700; letter-spacing: 0;
  background: linear-gradient(135deg, #ff9d3c, #ff6a3c); color: #fff;
  transform: translateY(-8px);
}

/* 导航 */
.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav a {
  position: relative; padding: 10px 16px; font-size: 15.5px; font-weight: 500;
  color: rgba(255, 255, 255, .92); border-radius: 8px; transition: color .25s;
}
.main-nav a::after {
  content: ""; position: absolute; left: 16px; right: 16px; bottom: 4px; height: 3px;
  border-radius: 3px; background: linear-gradient(90deg, var(--cyan-400), var(--blue-400));
  transform: scaleX(0); transform-origin: left; transition: transform .3s ease;
}
.main-nav a:hover::after, .main-nav a.active::after { transform: scaleX(1); }
.site-header.scrolled .main-nav a { color: var(--ink); white-space: nowrap; }
.site-header.scrolled .main-nav a.active { color: var(--blue-600); }

.header-cta { display: flex; align-items: center; gap: 14px; }
.header-phone { display: flex; align-items: center; gap: 8px; color: #fff; font-weight: 700; font-size: 16px; }
.header-phone svg { width: 18px; height: 18px; }
.site-header.scrolled .header-phone { color: var(--blue-700); white-space: nowrap; }
@media (max-width: 1600px) { .header-phone { display: none; } }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 26px; border-radius: 999px; font-size: 15px; font-weight: 600;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  color: #fff; background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
  box-shadow: 0 10px 24px rgba(18, 89, 195, .35);
}
.btn-primary:hover { box-shadow: 0 14px 30px rgba(18, 89, 195, .45); }
.btn-ghost { color: #fff; border: 1.5px solid rgba(255, 255, 255, .65); background: rgba(255, 255, 255, .08); backdrop-filter: blur(4px); }
.btn-ghost:hover { background: rgba(255, 255, 255, .18); }
.header-cta .btn { padding: 9px 16px; font-size: 14px; }

/* 移动端抽屉 */
.mobile-nav {
  position: fixed; inset: 0; z-index: 110;
  background: linear-gradient(160deg, var(--blue-950) 0%, var(--blue-800) 70%, var(--blue-600) 100%);
  display: flex; flex-direction: column; justify-content: center; gap: 4px;
  padding: 90px 44px 60px; transform: translateX(102%); visibility: hidden;
  transition: transform .45s cubic-bezier(.2, .8, .25, 1), visibility .45s;
}
body.nav-open .mobile-nav { transform: none; visibility: visible; }
.mobile-nav a { color: #fff; font-size: 21px; font-weight: 700; padding: 14px 4px; border-bottom: 1px solid rgba(255, 255, 255, .12); display: flex; justify-content: space-between; align-items: center; }
.mobile-nav a.active { color: var(--cyan-400); }
.mobile-nav a::after { content: "→"; font-size: 18px; opacity: .5; }
.mobile-nav .m-tel { margin-top: 28px; color: rgba(255, 255, 255, .75); font-size: 14px; letter-spacing: 1px; }
.mobile-nav .m-tel b { display: block; font-size: 24px; color: #fff; font-family: Georgia, serif; margin-top: 4px; }

.nav-toggle { display: none; width: 42px; height: 42px; border-radius: 10px; position: relative; z-index: 120; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ""; position: absolute; left: 10px; width: 22px; height: 2.5px; border-radius: 2px;
  background: #fff; transition: all .3s ease;
}
.nav-toggle span { top: 20px; }
.nav-toggle span::before { left: 0; top: -7px; }
.nav-toggle span::after { left: 0; top: 7px; }
.site-header.scrolled .nav-toggle span, .site-header.scrolled .nav-toggle span::before, .site-header.scrolled .nav-toggle span::after { background: var(--blue-800); }
body.nav-open .nav-toggle span { background: transparent !important; }
body.nav-open .nav-toggle span::before { top: 0; transform: rotate(45deg); background: #fff !important; }
body.nav-open .nav-toggle span::after { top: 0; transform: rotate(-45deg); background: #fff !important; }

/* ==========================================================================
   首页 page1 — 全屏 Banner
   ========================================================================== */
.hero {
  position: relative; height: 100vh; min-height: 640px;
  display: flex; align-items: center; overflow: hidden;
  background: var(--blue-900);
}
.hero-slides { position: absolute; inset: 0; }
.hero-slide {
  position: absolute; inset: 0; opacity: 0; transition: opacity 1.1s ease;
  background-size: cover; background-position: center;
  transform: scale(1.06);
}
.hero-slide.on { opacity: 1; transform: scale(1); transition: opacity 1.1s ease, transform 6.5s linear; }
.hero-slide::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(6, 30, 70, .88) 8%, rgba(11, 77, 162, .62) 46%, rgba(11, 77, 162, .18) 88%);
}
.hero-content { position: relative; z-index: 3; color: #fff; padding-top: var(--header-h); }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 18px; border-radius: 999px; margin-bottom: 26px;
  background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .28);
  font-size: 14px; letter-spacing: 2px; backdrop-filter: blur(6px);
}
.hero-eyebrow i { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan-400); box-shadow: 0 0 12px var(--cyan-400); }
.hero-title { font-size: clamp(34px, 4.6vw, 62px); font-weight: 800; line-height: 1.25; letter-spacing: 2px; }
.hero-title em { font-style: normal; background: linear-gradient(90deg, #7cc4ff, var(--cyan-400)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-desc { margin-top: 22px; max-width: 560px; font-size: clamp(15px, 1.25vw, 18px); color: rgba(255, 255, 255, .88); }
.hero-actions { display: flex; gap: 16px; margin-top: 40px; flex-wrap: wrap; }
.hero-features { display: flex; gap: 38px; margin-top: 56px; flex-wrap: wrap; }
.hero-feature { display: flex; align-items: center; gap: 12px; color: rgba(255, 255, 255, .85); font-size: 14.5px; }
.hero-feature b { font-size: 30px; font-weight: 800; color: #fff; font-family: Georgia, serif; }
.hero-feature small { display: block; line-height: 1.4; }

.hero-dots { position: absolute; z-index: 5; left: 50%; bottom: 42px; transform: translateX(-50%); display: flex; gap: 10px; }
.hero-dots button { width: 34px; height: 5px; border-radius: 4px; background: rgba(255, 255, 255, .35); transition: all .3s; }
.hero-dots button.on { background: #fff; width: 52px; }

.scroll-hint {
  position: absolute; z-index: 5; right: 46px; bottom: 40px;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: rgba(255, 255, 255, .8); font-size: 12px; letter-spacing: 4px; writing-mode: vertical-lr;
}
.scroll-hint::after {
  content: ""; width: 1.5px; height: 52px; margin-top: 6px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .9), transparent);
  animation: drip 1.8s ease-in-out infinite;
}
@keyframes drip { 0% { transform: scaleY(0); transform-origin: top; } 55% { transform: scaleY(1); transform-origin: top; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* ---------- 侧边整屏导航点（参考 wiskind 分页） ---------- */
.fp-dots {
  position: fixed; z-index: 90; right: 26px; top: 50%; transform: translateY(-50%);
  display: flex; flex-direction: column; gap: 14px;
}
.fp-dots a { position: relative; width: 10px; height: 10px; border-radius: 50%; background: rgba(255, 255, 255, .55); border: 1px solid rgba(13, 60, 139, .25); transition: all .3s; }
.fp-dots a.on { background: var(--blue-600); box-shadow: 0 0 0 5px rgba(22, 104, 220, .18); transform: scale(1.12); }
.fp-dots a:hover::after {
  content: attr(data-label); position: absolute; right: 22px; top: 50%; transform: translateY(-50%);
  background: rgba(6, 30, 70, .85); color: #fff; font-size: 12px; padding: 4px 12px; border-radius: 6px; white-space: nowrap;
}

/* ==========================================================================
   通用版式
   ========================================================================== */
.section { padding: 96px 0; }
.section.tight { padding: 76px 0; }
.bg-white { background: var(--white); }
.bg-light { background: var(--bg-light); }
.bg-light2 { background: linear-gradient(180deg, var(--bg-light), var(--bg-light-2)); }

.sec-head { max-width: 760px; margin: 0 auto 54px; text-align: center; position: relative; z-index: 2; }
.sec-head.left { margin-left: 0; text-align: left; }
.sec-eyebrow {
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 14px;
  color: var(--blue-600); font-weight: 700; font-size: 14px; letter-spacing: 4px;
}
.sec-eyebrow::before, .sec-eyebrow::after { content: ""; width: 26px; height: 2px; background: linear-gradient(90deg, var(--blue-500), var(--cyan-400)); }
.sec-head.left .sec-eyebrow::before { display: none; }
.sec-title { font-size: clamp(26px, 3vw, 38px); font-weight: 800; letter-spacing: 1px; line-height: 1.35; }
.sec-title em { font-style: normal; color: var(--blue-600); }
.sec-desc { margin-top: 14px; color: var(--ink-2); font-size: 15.5px; }

/* 浅蓝色调深蓝区块装饰 */
.blue-band { position: relative; background: linear-gradient(120deg, var(--blue-900) 0%, var(--blue-700) 55%, #1160cf 100%); color: #fff; overflow: hidden; }
.blue-band::before {
  content: ""; position: absolute; inset: 0; opacity: .16;
  background-image: linear-gradient(rgba(255, 255, 255, .5) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .5) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 90% at 70% 10%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 90% at 70% 10%, #000 20%, transparent 75%);
}
.blue-band::after {
  content: ""; position: absolute; right: -140px; top: -140px; width: 460px; height: 460px; border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, rgba(53, 182, 255, .5), rgba(53, 182, 255, 0) 65%);
}
.blue-band .sec-title { color: #fff; }
.blue-band .sec-desc { color: rgba(255, 255, 255, .82); }
.blue-band .sec-eyebrow { color: var(--cyan-400); }

/* ==========================================================================
   page2 业务体系
   ========================================================================== */
.sys-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.sys-card {
  position: relative; border-radius: var(--radius); overflow: hidden; background: #fff;
  box-shadow: var(--shadow-sm); transition: transform .35s ease, box-shadow .35s ease;
}
.sys-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); }
.sys-media { position: relative; height: 216px; overflow: hidden; }
.sys-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.sys-card:hover .sys-media img { transform: scale(1.07); }
.sys-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(6, 30, 70, .55)); }
.sys-index {
  position: absolute; z-index: 2; left: 18px; top: 16px;
  font-family: Georgia, serif; font-size: 15px; color: #fff; letter-spacing: 1px;
  padding: 3px 12px; border-radius: 999px; background: rgba(11, 77, 162, .55); backdrop-filter: blur(4px);
}
.sys-body { position: relative; padding: 22px 24px 26px; }
.sys-body h3 { font-size: 20px; font-weight: 700; display: flex; align-items: center; gap: 10px; }
.sys-body h3::before { content: ""; width: 4px; height: 18px; border-radius: 3px; background: linear-gradient(180deg, var(--blue-500), var(--cyan-400)); }
.sys-body p { margin-top: 10px; font-size: 14px; color: var(--ink-2); min-height: 48px; }
.sys-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.sys-tags span { font-size: 12px; color: var(--blue-700); background: var(--sky-100); padding: 3px 10px; border-radius: 6px; }
.sys-more {
  margin-top: 16px; display: inline-flex; align-items: center; gap: 6px;
  color: var(--blue-600); font-size: 14px; font-weight: 600;
}
.sys-more svg { width: 15px; height: 15px; transition: transform .3s; }
.sys-card:hover .sys-more svg { transform: translateX(4px); }

/* ==========================================================================
   page3 核心优势（大面积深蓝）
   ========================================================================== */
.adv-grid { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-bottom: 64px; }
.adv-item { text-align: center; padding: 34px 16px 28px; border-radius: var(--radius); background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .16); backdrop-filter: blur(4px); transition: background .3s, transform .3s; }
.adv-item:hover { background: rgba(255, 255, 255, .14); transform: translateY(-6px); }
.adv-num { font-size: 46px; font-weight: 800; font-family: Georgia, serif; background: linear-gradient(180deg, #fff, #9fd1ff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.adv-num small { font-size: 20px; margin-left: 2px; }
.adv-label { margin-top: 6px; font-size: 15px; color: rgba(255, 255, 255, .85); letter-spacing: 1px; }

.adv-feats { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.adv-feat { display: flex; gap: 18px; padding: 28px; border-radius: var(--radius); background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .14); }
.adv-feat-ico { flex: 0 0 52px; width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; background: linear-gradient(135deg, var(--cyan-400), var(--blue-500)); box-shadow: 0 10px 22px rgba(22, 104, 220, .4); }
.adv-feat-ico svg { width: 26px; height: 26px; color: #fff; }
.adv-feat h4 { font-size: 17.5px; font-weight: 700; color: #fff; }
.adv-feat p { margin-top: 8px; font-size: 13.8px; color: rgba(255, 255, 255, .78); }

/* ==========================================================================
   page4 经典案例
   ========================================================================== */
.case-wrap { display: grid; grid-template-columns: 1.55fr 1fr; gap: 30px; align-items: stretch; }
.case-stage { position: relative; border-radius: var(--radius); overflow: hidden; min-height: 460px; box-shadow: var(--shadow-md); background: var(--blue-900); }
.case-stage-item { position: absolute; inset: 0; opacity: 0; transition: opacity .7s ease; }
.case-stage-item.on { opacity: 1; }
.case-stage-item img { width: 100%; height: 100%; object-fit: cover; }
.case-stage-item figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 70px 30px 24px;
  background: linear-gradient(180deg, transparent, rgba(6, 30, 70, .85)); color: #fff;
}
.case-stage-item figcaption b { font-size: 21px; letter-spacing: 1px; }
.case-stage-item figcaption p { margin-top: 4px; font-size: 13.5px; color: rgba(255, 255, 255, .82); }
.case-list { display: flex; flex-direction: column; gap: 14px; }
.case-list-item {
  display: flex; gap: 16px; align-items: center; text-align: left; padding: 18px 20px;
  border-radius: 12px; background: #fff; border: 1.5px solid transparent; box-shadow: var(--shadow-sm);
  transition: all .3s ease;
}
.case-list-item .no { font-family: Georgia, serif; font-size: 22px; color: var(--ink-3); font-weight: 700; min-width: 34px; transition: color .3s; }
.case-list-item b { display: block; font-size: 16.5px; font-weight: 700; color: var(--ink); }
.case-list-item p { font-size: 13px; color: var(--ink-2); margin-top: 2px; }
.case-list-item .arr { margin-left: auto; color: var(--ink-3); transition: all .3s; }
.case-list-item:hover { border-color: var(--sky-100); transform: translateX(4px); }
.case-list-item.on { background: linear-gradient(120deg, var(--blue-700), var(--blue-500)); border-color: transparent; box-shadow: 0 14px 30px rgba(18, 89, 195, .32); }
.case-list-item.on .no { color: rgba(255, 255, 255, .7); }
.case-list-item.on b, .case-list-item.on p { color: #fff; }
.case-list-item.on .arr { color: #fff; transform: translateX(3px); }
.case-foot { margin-top: 34px; text-align: center; }

/* ==========================================================================
   page5 动态资讯
   ========================================================================== */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.news-card {
  background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm);
  transition: transform .35s ease, box-shadow .35s ease; display: flex; flex-direction: column;
}
.news-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); }
.news-media { height: 190px; overflow: hidden; position: relative; }
.news-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.news-card:hover .news-media img { transform: scale(1.06); }
.news-date {
  position: absolute; left: 16px; bottom: -20px; z-index: 2; text-align: center;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-700)); color: #fff;
  border-radius: 10px; padding: 8px 12px; box-shadow: 0 8px 18px rgba(18, 89, 195, .35);
}
.news-date b { display: block; font-size: 22px; line-height: 1.1; font-family: Georgia, serif; }
.news-date span { font-size: 11px; opacity: .85; }
.news-body { padding: 34px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.news-tag { align-self: flex-start; font-size: 12px; color: var(--blue-600); background: var(--sky-100); border-radius: 6px; padding: 2px 10px; }
.news-body h3 { margin-top: 10px; font-size: 17.5px; line-height: 1.55; font-weight: 700; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-body p { margin-top: 10px; font-size: 13.8px; color: var(--ink-2); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-body .more { margin-top: auto; padding-top: 16px; color: var(--blue-600); font-size: 13.5px; font-weight: 600; }

/* ==========================================================================
   CTA 横幅
   ========================================================================== */
.cta-band { position: relative; overflow: hidden; border-radius: 20px; color: #fff; background: linear-gradient(115deg, var(--blue-800), var(--blue-500) 70%, var(--cyan-400) 130%); padding: 54px 56px; display: flex; align-items: center; justify-content: space-between; gap: 30px; box-shadow: var(--shadow-lg); }
.cta-band::before { content: ""; position: absolute; right: -60px; top: -80px; width: 300px; height: 300px; border-radius: 50%; border: 44px solid rgba(255, 255, 255, .1); }
.cta-band::after { content: ""; position: absolute; left: 30%; bottom: -110px; width: 240px; height: 240px; border-radius: 50%; border: 34px solid rgba(255, 255, 255, .08); }
.cta-band h3 { position: relative; z-index: 1; font-size: clamp(20px, 2.4vw, 30px); font-weight: 800; letter-spacing: 1px; }
.cta-band p { position: relative; z-index: 1; margin-top: 8px; color: rgba(255, 255, 255, .85); font-size: 14.5px; }
.cta-band .actions { position: relative; z-index: 1; display: flex; gap: 14px; flex-wrap: wrap; }
.btn-white { background: #fff; color: var(--blue-700); box-shadow: 0 10px 24px rgba(6, 30, 70, .25); }

/* ==========================================================================
   页脚 + 图1 品牌认证条（首页最下面）
   ========================================================================== */
.site-footer { position: relative; background: linear-gradient(180deg, var(--blue-950), var(--blue-900)); color: rgba(255, 255, 255, .82); }
.footer-main { display: grid; grid-template-columns: 1.35fr .8fr .9fr 1.15fr; gap: 44px; padding: 72px 0 54px; }
.footer-brand .logo { margin-bottom: 18px; }
.footer-brand p { font-size: 13.8px; color: rgba(255, 255, 255, .62); max-width: 320px; }
.footer-col h4 { font-size: 16px; color: #fff; font-weight: 700; margin-bottom: 20px; position: relative; padding-left: 12px; }
.footer-col h4::before { content: ""; position: absolute; left: 0; top: 4px; bottom: 4px; width: 3.5px; border-radius: 3px; background: linear-gradient(180deg, var(--cyan-400), var(--blue-400)); }
.footer-col li { margin-bottom: 12px; }
.footer-col a, .footer-col p { font-size: 13.8px; color: rgba(255, 255, 255, .66); transition: color .25s; }
.footer-col a:hover { color: var(--cyan-400); }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; }
.footer-contact svg { width: 16px; height: 16px; margin-top: 4px; flex: 0 0 auto; color: var(--cyan-400); }

/* 图1 — 数字品牌认证条（页面最底部） */
.cert-strip { background: linear-gradient(180deg, var(--bg-light-2), var(--sky-100)); border-top: 1px solid rgba(255, 255, 255, .35); }
.cert-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 26px 0; flex-wrap: wrap; }
.cert-info { display: flex; align-items: center; gap: 18px; color: var(--blue-900); }
.cert-badge { flex: 0 0 46px; width: 46px; height: 46px; border-radius: 12px; background: linear-gradient(135deg, var(--blue-500), var(--cyan-400)); display: grid; place-items: center; box-shadow: 0 8px 18px rgba(22, 104, 220, .3); }
.cert-badge svg { width: 24px; height: 24px; color: #fff; }
.cert-info b { font-size: 16.5px; font-weight: 800; letter-spacing: .5px; }
.cert-info b i { font-style: normal; color: var(--blue-600); }
.cert-info p { font-size: 13px; color: var(--ink-2); margin-top: 3px; }
.cert-link { color: var(--blue-600); font-weight: 700; font-size: 13.5px; border-bottom: 1.5px solid rgba(22, 104, 220, .4); padding-bottom: 2px; transition: all .25s; }
.cert-link:hover { color: var(--blue-800); border-color: var(--blue-800); }
.cert-qr { flex: 0 0 auto; background: #fff; border-radius: 14px; padding: 10px 14px; box-shadow: var(--shadow-md); display: flex; align-items: center; gap: 14px; }
.cert-qr img { height: 118px; width: auto; border-radius: 6px; }
.cert-qr .cap { font-size: 12px; color: var(--ink-2); line-height: 1.6; }
.cert-qr .cap b { display: block; color: var(--blue-800); font-size: 13.5px; }

.copyright { background: var(--blue-950); padding: 18px 0; }
.copyright .container { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 12.5px; color: rgba(255, 255, 255, .45); }

/* ---------- 返回顶部 ---------- */
.back-top {
  position: fixed; right: 26px; bottom: 30px; z-index: 95;
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-700)); color: #fff;
  box-shadow: 0 12px 26px rgba(18, 89, 195, .4); opacity: 0; visibility: hidden; transform: translateY(14px);
  transition: all .35s ease;
}
.back-top.show { opacity: 1; visibility: visible; transform: none; }
.back-top svg { width: 20px; height: 20px; }

/* ==========================================================================
   子页面 Banner
   ========================================================================== */
.page-banner {
  position: relative; padding: calc(var(--header-h) + 74px) 0 84px;
  background: linear-gradient(115deg, var(--blue-950) 0%, var(--blue-800) 52%, var(--blue-600) 100%);
  color: #fff; overflow: hidden;
}
.page-banner[class*="bnr-"] {
  background-image:
    linear-gradient(100deg, rgba(6, 30, 70, .92) 0%, rgba(10, 47, 107, .70) 46%, rgba(18, 89, 195, .40) 100%),
    var(--bnr-img),
    linear-gradient(115deg, var(--blue-950) 0%, var(--blue-800) 52%, var(--blue-600) 100%);
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}
.bnr-products { --bnr-img: url("../../assets/img/sys-wall.jpg"); }
.bnr-cases    { --bnr-img: url("../../assets/img/case-1.jpg"); }
.bnr-news     { --bnr-img: url("../../assets/img/about-factory.jpg"); }
.bnr-about    { --bnr-img: url("../../assets/img/hero-1.png"); }
.bnr-contact  { --bnr-img: url("../../assets/img/sys-roof.jpg"); }
.page-banner::before {
  content: ""; position: absolute; inset: 0; opacity: .14;
  background-image: linear-gradient(rgba(255, 255, 255, .5) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .5) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(ellipse 60% 100% at 80% 0%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 60% 100% at 80% 0%, #000 30%, transparent 80%);
}
.page-banner .crumb { position: relative; z-index: 1; font-size: 13.5px; color: rgba(255, 255, 255, .75); margin-bottom: 12px; letter-spacing: 1px; }
.page-banner .crumb a:hover { color: var(--cyan-400); }
.page-banner h1 { position: relative; z-index: 1; font-size: clamp(28px, 3.4vw, 42px); font-weight: 800; letter-spacing: 2px; }
.page-banner .sub { position: relative; z-index: 1; margin-top: 10px; color: rgba(255, 255, 255, .78); max-width: 640px; }
.page-banner .deco { position: absolute; right: 6%; top: 50%; transform: translateY(-50%); opacity: .9; z-index: 1; }

/* 产品详情卡（产品服务页） */
.prod-block { display: grid; grid-template-columns: 1fr 1.15fr; gap: 46px; align-items: center; padding: 58px 0; }
.prod-block:nth-child(even) { grid-template-columns: 1.15fr 1fr; }
.prod-block:nth-child(even) .prod-media { order: 2; }
.prod-media { border-radius: 18px; overflow: hidden; box-shadow: var(--shadow-md); position: relative; }
.prod-media img { width: 100%; height: 360px; object-fit: cover; }
.prod-media .chip { position: absolute; left: 18px; top: 18px; background: rgba(11, 77, 162, .78); color: #fff; font-size: 13px; padding: 5px 14px; border-radius: 999px; backdrop-filter: blur(4px); }
.prod-info .idx { font-family: Georgia, serif; color: var(--blue-400); font-size: 15px; letter-spacing: 2px; }
.prod-info h3 { margin-top: 6px; font-size: 26px; font-weight: 800; }
.prod-info .en { color: var(--ink-3); font-size: 12.5px; letter-spacing: 2.5px; margin-top: 2px; text-transform: uppercase; }
.prod-info > p { margin-top: 16px; color: var(--ink-2); font-size: 14.8px; }
.prod-points { margin-top: 22px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px 22px; }
.prod-points li { display: flex; gap: 9px; font-size: 14px; color: var(--ink); align-items: flex-start; }
.prod-points svg { width: 17px; height: 17px; color: var(--blue-500); margin-top: 4px; flex: 0 0 auto; }

/* 应用领域 */
.ind-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.ind-card { background: #fff; border-radius: var(--radius); padding: 30px 22px; text-align: center; box-shadow: var(--shadow-sm); transition: all .35s ease; border-bottom: 3px solid transparent; }
.ind-card:hover { transform: translateY(-6px); border-bottom-color: var(--blue-500); box-shadow: var(--shadow-md); }
.ind-ico { width: 62px; height: 62px; margin: 0 auto 16px; border-radius: 16px; display: grid; place-items: center; background: linear-gradient(135deg, var(--sky-100), #f2f8ff); color: var(--blue-600); transition: all .35s; }
.ind-card:hover .ind-ico { background: linear-gradient(135deg, var(--blue-500), var(--cyan-400)); color: #fff; box-shadow: 0 10px 22px rgba(22, 104, 220, .35); }
.ind-ico svg { width: 30px; height: 30px; }
.ind-card b { font-size: 16.5px; font-weight: 700; }
.ind-card p { margin-top: 8px; font-size: 13px; color: var(--ink-2); }

/* 案例筛选 + 网格 */
.filter-bar { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-bottom: 44px; }
.filter-bar button { padding: 9px 24px; border-radius: 999px; background: #fff; color: var(--ink-2); font-size: 14.5px; border: 1.5px solid var(--line); transition: all .3s; }
.filter-bar button:hover { color: var(--blue-600); border-color: var(--blue-400); }
.filter-bar button.on { background: linear-gradient(135deg, var(--blue-500), var(--blue-700)); color: #fff; border-color: transparent; box-shadow: 0 8px 20px rgba(18, 89, 195, .32); }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.case-card { border-radius: var(--radius); overflow: hidden; background: #fff; box-shadow: var(--shadow-sm); transition: transform .35s, box-shadow .35s; }
.case-card.hide { display: none; }
.case-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); }
.case-thumb { position: relative; height: 226px; overflow: hidden; }
.case-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.case-card:hover .case-thumb img { transform: scale(1.07); }
.case-thumb .cat { position: absolute; left: 14px; top: 14px; z-index: 2; font-size: 12px; color: #fff; background: rgba(11, 77, 162, .72); padding: 4px 12px; border-radius: 999px; backdrop-filter: blur(4px); }
.case-meta { padding: 20px 22px 22px; }
.case-meta b { font-size: 17px; font-weight: 700; }
.case-meta p { margin-top: 8px; font-size: 13.4px; color: var(--ink-2); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* 新闻列表页 */
.news-feature { display: grid; grid-template-columns: 1.5fr 1fr; border-radius: 18px; overflow: hidden; background: #fff; box-shadow: var(--shadow-md); margin-bottom: 40px; }
.news-feature .pic { min-height: 330px; }
.news-feature .pic img { width: 100%; height: 100%; object-fit: cover; }
.news-feature .txt { padding: 44px 42px; display: flex; flex-direction: column; justify-content: center; }
.news-feature .meta { display: flex; gap: 14px; align-items: center; font-size: 13px; color: var(--ink-3); }
.news-feature .meta .tag { color: var(--blue-600); background: var(--sky-100); padding: 2px 12px; border-radius: 999px; }
.news-feature h3 { margin-top: 16px; font-size: 23px; line-height: 1.5; font-weight: 800; }
.news-feature p { margin-top: 14px; color: var(--ink-2); font-size: 14.5px; }
.news-feature .more { margin-top: 22px; color: var(--blue-600); font-weight: 700; font-size: 14px; }
.news-rows { display: flex; flex-direction: column; gap: 18px; }
.news-row { display: grid; grid-template-columns: 200px 1fr auto; gap: 26px; align-items: center; background: #fff; border-radius: var(--radius); padding: 18px 26px 18px 18px; box-shadow: var(--shadow-sm); transition: transform .3s, box-shadow .3s; }
.news-row:hover { transform: translateX(6px); box-shadow: var(--shadow-md); }
.news-row .pic { width: 200px; height: 120px; border-radius: 10px; overflow: hidden; }
.news-row .pic img { width: 100%; height: 100%; object-fit: cover; }
.news-row h4 { font-size: 17px; font-weight: 700; line-height: 1.5; }
.news-row p { margin-top: 8px; font-size: 13.5px; color: var(--ink-2); display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.news-row .date { text-align: center; color: var(--ink-3); font-size: 13px; min-width: 74px; }
.news-row .date b { display: block; font-size: 26px; color: var(--blue-600); font-family: Georgia, serif; }

/* 关于页 */
.about-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 52px; align-items: center; }
.about-media { position: relative; }
.about-media .main { border-radius: 18px; overflow: hidden; box-shadow: var(--shadow-md); }
.about-media .main img { height: 430px; width: 100%; object-fit: cover; }
.about-media .sub { position: absolute; right: -28px; bottom: -34px; width: 46%; border-radius: 14px; overflow: hidden; border: 6px solid #fff; box-shadow: var(--shadow-md); }
.about-media .sub img { height: 170px; width: 100%; object-fit: cover; }
.about-media .exp {
  position: absolute; left: -22px; top: -24px; background: linear-gradient(135deg, var(--blue-600), var(--blue-800)); color: #fff;
  border-radius: 16px; padding: 16px 20px; text-align: center; box-shadow: var(--shadow-lg);
}
.about-media .exp b { display: block; font-size: 34px; font-family: Georgia, serif; line-height: 1.1; }
.about-media .exp span { font-size: 12px; letter-spacing: 2px; opacity: .85; }
.about-txt p { color: var(--ink-2); font-size: 15px; margin-top: 16px; text-align: justify; }
.about-nums { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 30px; }
.about-nums .n { background: linear-gradient(150deg, var(--blue-700), var(--blue-500)); border-radius: 14px; color: #fff; text-align: center; padding: 18px 8px; box-shadow: var(--shadow-md); }
.about-nums .n b { font-size: 26px; font-family: Georgia, serif; }
.about-nums .n span { display: block; font-size: 12.5px; opacity: .85; margin-top: 4px; }

/* 发展历程 */
.timeline { position: relative; margin-top: 20px; }
.timeline::before { content: ""; position: absolute; left: 50%; top: 0; bottom: 0; width: 2px; background: linear-gradient(180deg, var(--blue-400), var(--sky-100)); transform: translateX(-50%); }
.tl-item { position: relative; width: 50%; padding: 0 44px 44px; }
.tl-item:nth-child(odd) { left: 0; text-align: right; }
.tl-item:nth-child(even) { left: 50%; }
.tl-item .dot { position: absolute; top: 6px; width: 15px; height: 15px; border-radius: 50%; background: #fff; border: 4px solid var(--blue-500); box-shadow: 0 0 0 5px rgba(22, 104, 220, .15); }
.tl-item:nth-child(odd) .dot { right: -7.5px; }
.tl-item:nth-child(even) .dot { left: -7.5px; }
.tl-item .year { font-family: Georgia, serif; font-size: 24px; font-weight: 800; color: var(--blue-600); }
.tl-item h5 { margin-top: 6px; font-size: 16.5px; font-weight: 700; }
.tl-item p { margin-top: 6px; font-size: 13.5px; color: var(--ink-2); }

/* 荣誉 */
.honor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.honor-card { background: #fff; border-radius: var(--radius); padding: 0; text-align: center; box-shadow: var(--shadow-sm); transition: all .3s; overflow: hidden; }
.honor-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.honor-img { width: 100%; height: 190px; object-fit: cover; display: block; }
.honor-card b { display: block; font-size: 15.5px; font-weight: 700; padding: 18px 18px 0; }
.honor-card span, .honor-card p { display: block; margin-top: 6px; padding: 0 18px 22px; font-size: 12.5px; color: var(--ink-3); }

/* 联系页 */
.contact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-bottom: 56px; }
.contact-card { background: #fff; border-radius: var(--radius); padding: 30px 24px; text-align: center; box-shadow: var(--shadow-sm); transition: all .3s; }
.contact-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.contact-card .ico { width: 56px; height: 56px; margin: 0 auto 14px; border-radius: 16px; display: grid; place-items: center; background: linear-gradient(135deg, var(--blue-500), var(--cyan-400)); color: #fff; box-shadow: 0 10px 20px rgba(22, 104, 220, .32); }
.contact-card .ico svg { width: 26px; height: 26px; }
.contact-card b { font-size: 16.5px; }
.contact-card p { margin-top: 8px; font-size: 13.8px; color: var(--ink-2); }
.form-wrap { display: grid; grid-template-columns: 1fr 1.35fr; gap: 40px; align-items: start; }
.form-side { background: linear-gradient(150deg, var(--blue-800), var(--blue-600)); border-radius: 18px; color: #fff; padding: 40px 36px; position: relative; overflow: hidden; }
.form-side::after { content: ""; position: absolute; right: -70px; bottom: -70px; width: 220px; height: 220px; border-radius: 50%; border: 30px solid rgba(255, 255, 255, .09); }
.form-side h3 { font-size: 24px; font-weight: 800; }
.form-side p { margin-top: 12px; font-size: 14px; color: rgba(255, 255, 255, .85); }
.form-side .hot { margin-top: 30px; font-size: 30px; font-weight: 800; font-family: Georgia, serif; letter-spacing: 1px; }
.form-side .hot-label { font-size: 13px; color: rgba(255, 255, 255, .75); }
.leave-form { background: #fff; border-radius: 18px; padding: 40px 38px; box-shadow: var(--shadow-md); }
.leave-form h3 { font-size: 21px; font-weight: 800; margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { margin-bottom: 18px; }
.form-field label { display: block; font-size: 13.5px; color: var(--ink-2); margin-bottom: 8px; font-weight: 600; }
.form-field input, .form-field textarea, .form-field select {
  width: 100%; padding: 12px 16px; border-radius: 10px; border: 1.5px solid var(--line);
  background: #f7fafe; color: var(--ink); outline: none; transition: border .25s, box-shadow .25s;
}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus { border-color: var(--blue-400); box-shadow: 0 0 0 4px rgba(59, 139, 240, .14); background: #fff; }
.form-field textarea { min-height: 110px; resize: vertical; }
.toast {
  position: fixed; z-index: 200; left: 50%; bottom: 46px; transform: translate(-50%, 24px);
  background: rgba(6, 30, 70, .92); color: #fff; font-size: 14px; padding: 12px 26px; border-radius: 999px;
  opacity: 0; visibility: hidden; transition: all .35s ease; box-shadow: var(--shadow-lg);
}
.toast.show { opacity: 1; visibility: visible; transform: translate(-50%, 0); }

/* ---------- 动效 ---------- */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .8s ease, transform .8s cubic-bezier(.16, .8, .3, 1); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: .1s; }
.reveal[data-d="2"] { transition-delay: .2s; }
.reveal[data-d="3"] { transition-delay: .3s; }
.reveal[data-d="4"] { transition-delay: .4s; }
.reveal[data-d="5"] { transition-delay: .5s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; scroll-snap-type: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1080px) {
  .main-nav, .header-phone { display: none; }
  .nav-toggle { display: block; }
  .sys-grid, .news-grid, .case-grid { grid-template-columns: repeat(2, 1fr); }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .adv-feats, .ind-grid, .honor-grid, .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .case-wrap, .about-grid, .form-wrap, .news-feature { grid-template-columns: 1fr; }
  .prod-block, .prod-block:nth-child(even) { grid-template-columns: 1fr; }
  .prod-block:nth-child(even) .prod-media { order: 0; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .fp-dots { display: none; }
  .timeline::before { left: 10px; }
  .tl-item { width: 100%; left: 0 !important; text-align: left !important; padding: 0 0 36px 42px; }
  .tl-item .dot { left: 3px !important; right: auto !important; }
  .about-media .sub { right: 0; }
}
@media (max-width: 640px) {
  .hero-eyebrow { font-size: 11.5px; letter-spacing: .4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 88%; }
  .logo-name { font-size: 20px; letter-spacing: 1.5px; }
  .logo-sub { font-size: 9px; letter-spacing: 2.4px; }
  .logo-mark svg { width: 30px; height: 30px; }
  .section { padding: 64px 0; }
  .sys-grid, .news-grid, .case-grid, .adv-feats, .ind-grid, .honor-grid, .contact-grid, .prod-points, .form-row { grid-template-columns: 1fr; }
  .adv-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .footer-main { grid-template-columns: 1fr; gap: 34px; }
  .hero-actions .btn { width: 100%; }
  .news-row { grid-template-columns: 1fr; }
  .news-row .pic { width: 100%; }
  .news-row .date { text-align: left; }
  .cta-band { flex-direction: column; align-items: flex-start; padding: 40px 30px; }
  .scroll-hint { display: none; }
  .case-stage { min-height: 320px; }
  .cert-inner { justify-content: center; text-align: center; }
  .cert-info { flex-direction: column; text-align: center; }
}

/* ==========================================================================
   补充组件：数据条 / 案例卡内构 / 资讯列表 / 分页 / 联系表单 / 基地卡片
   ========================================================================== */
/* 案例页数据条 */
.stat-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; background: #fff; border-radius: 18px; padding: 26px 30px; box-shadow: var(--shadow-sm); margin-bottom: 36px; }
.stat { position: relative; display: flex; flex-direction: column; align-items: center; text-align: center; gap: 4px; }
.stat + .stat::before { content: ""; position: absolute; left: -9px; top: 16%; height: 68%; width: 1px; background: var(--line); }
.stat b { font-family: Georgia, "Times New Roman", serif; font-size: 34px; font-weight: 700; color: var(--blue-600); }
.stat > span:last-child { font-size: 13.5px; color: var(--ink-2); }

/* 案例卡片内构 */
.case-card .media { position: relative; display: block; height: 210px; overflow: hidden; }
.case-card .media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.case-card:hover .media img { transform: scale(1.07); }
.case-card .cat { position: absolute; left: 14px; top: 14px; z-index: 1; background: rgba(10, 47, 107, .82); color: #fff; font-size: 12px; letter-spacing: 1px; padding: 5px 12px; border-radius: 999px; backdrop-filter: blur(3px); }
.case-card .body { display: block; padding: 20px 22px 24px; }
.case-card .body h3 { font-size: 17.5px; color: var(--ink); transition: color .25s; }
.case-card:hover .body h3 { color: var(--blue-600); }
.case-card .body p { margin-top: 8px; font-size: 13.5px; color: var(--ink-2); line-height: 1.7; }
.case-card .meta { display: inline-block; margin-top: 14px; font-size: 12.5px; color: var(--blue-600); background: var(--sky-100); border-radius: 999px; padding: 4px 12px; letter-spacing: 1px; }

/* 资讯列表行 */
.news-list { display: flex; flex-direction: column; gap: 16px; margin-top: 44px; }
.news-row { display: grid; grid-template-columns: 175px 1fr 118px; gap: 22px; align-items: center; background: #fff; border-radius: 16px; padding: 15px 20px 15px 15px; box-shadow: var(--shadow-sm); transition: transform .3s, box-shadow .3s; }
.news-row:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.news-row .pic { width: 175px; height: 112px; border-radius: 10px; overflow: hidden; }
.news-row .pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.news-row:hover .pic img { transform: scale(1.06); }
.news-row .txt h3 { font-size: 17px; margin-top: 9px; color: var(--ink); transition: color .25s; }
.news-row:hover .txt h3 { color: var(--blue-600); }
.news-row .txt p { margin-top: 6px; font-size: 13.6px; color: var(--ink-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.news-row .date { text-align: center; font-size: 13px; color: var(--ink-3); border-left: 1px solid var(--line); padding: 8px 0 8px 14px; }

/* 分页 */
.pager { display: flex; justify-content: center; align-items: center; gap: 10px; margin-top: 46px; flex-wrap: wrap; }
.pager a, .pager span { min-width: 42px; height: 42px; display: inline-flex; align-items: center; justify-content: center; padding: 0 16px; border-radius: 999px; background: #fff; color: var(--ink-2); font-size: 14px; box-shadow: var(--shadow-sm); transition: all .25s; }
.pager a:hover { color: var(--blue-600); transform: translateY(-2px); }
.pager a.on { background: linear-gradient(135deg, var(--blue-600), var(--blue-400)); color: #fff; font-weight: 700; box-shadow: 0 8px 18px rgba(22, 104, 220, .35); }
.pager span { background: transparent; box-shadow: none; }

/* 联系页：卡片列 + 表单 */
.contact-cards { display: flex; flex-direction: column; gap: 16px; }
.contact-cards .contact-card { display: flex; align-items: flex-start; gap: 16px; text-align: left; padding: 22px 24px; }
.contact-cards .cc-ico { flex: 0 0 auto; width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; background: linear-gradient(135deg, var(--blue-500), var(--cyan-400)); color: #fff; box-shadow: 0 8px 18px rgba(22, 104, 220, .3); }
.contact-cards .cc-ico svg { width: 23px; height: 23px; }
.contact-cards .contact-card b { display: block; font-size: 15.5px; }
.contact-cards .contact-card p { margin-top: 6px; font-size: 13.6px; color: var(--ink-2); line-height: 1.75; }
.contact-form { background: #fff; border-radius: 18px; padding: 38px 40px 42px; box-shadow: var(--shadow-md); }
.contact-form h3 { font-size: 22px; color: var(--ink); }
.hint { margin-top: 8px; font-size: 13px; color: var(--ink-3); }
.hint em { color: #e0484f; font-style: normal; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-size: 13.5px; font-weight: 700; color: var(--ink); }
.field label em { color: #e0484f; font-style: normal; }
.field input, .field select, .field textarea { width: 100%; border: 1.5px solid var(--line); border-radius: 10px; padding: 12px 14px; background: #f7fafe; color: var(--ink); transition: border-color .25s, background .25s, box-shadow .25s; }
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--blue-500); background: #fff; box-shadow: 0 0 0 4px rgba(22, 104, 220, .12); }
.contact-form .form-row { margin-top: 18px; }
.contact-form > .field { margin-top: 18px; }
.btn-block { width: 100%; margin-top: 24px; padding: 15px; font-size: 15.5px; }

/* 关于页：基地/实力卡片 */
.adv-card { background: #fff; border-radius: 16px; padding: 30px 26px 28px; box-shadow: var(--shadow-sm); border-top: 4px solid transparent; transition: transform .3s, box-shadow .3s, border-color .3s; }
.adv-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-top-color: var(--cyan-400); }
.adv-card > b { font-size: 16.5px; color: var(--blue-800); }
.adv-card .num { display: block; font-family: Georgia, "Times New Roman", serif; font-size: 46px; line-height: 1; color: var(--blue-600); margin: 16px 0 12px; }
.adv-card .num small { font-size: 14px; font-family: var(--font); font-weight: 600; color: var(--ink-3); margin-left: 5px; }
.adv-card p { font-size: 13.8px; color: var(--ink-2); line-height: 1.85; }
.about-body { min-width: 0; }

@media (max-width: 640px) {
  .stat-strip { grid-template-columns: repeat(2, 1fr); gap: 20px 0; padding: 22px 12px; }
  .stat:nth-child(3)::before { display: none; }
  .stat b { font-size: 27px; }
  .contact-form { padding: 28px 22px 32px; }
}

/* ==========================================================================
   Logo 图片 / 语言切换 / 白色页头适配
   ========================================================================== */
.logo { align-self: flex-start; margin-top: 4px; background: #fff; padding: 8px 14px; border-radius: 14px; box-shadow: 0 16px 36px rgba(10, 47, 107, .16); }
.logo-img { width: 348px; height: auto; max-width: none; display: block; }
.footer-brand .logo { margin-bottom: 18px; }
.footer-logo-img, .footer-brand .logo-img { height: 66px; width: auto; max-width: 100%; object-fit: contain; background: #fff; padding: 8px 12px; border-radius: 10px; box-shadow: var(--shadow-md); }

/* 白底页头下的导航配色 */
.main-nav a { color: var(--ink); white-space: nowrap; }
.main-nav a:hover, .main-nav a.active { color: var(--blue-600); }
.header-phone { color: var(--blue-700); white-space: nowrap; }
@media (max-width: 1600px) { .header-phone { display: none; } }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after { background: var(--blue-700); }
body.nav-open .nav-toggle span { background: transparent; }

/* 语言切换 */
.lang-sw { display: flex; align-items: center; gap: 5px; }
.lang-sw span { color: var(--line); font-size: 12px; }
.lang-sw a {
  font-size: 12.5px; font-weight: 700; color: var(--ink-2);
  padding: 4px 8px; border-radius: 7px; border: 1.5px solid var(--line);
  transition: all .25s; white-space: nowrap;
}
.lang-sw a:hover { color: var(--blue-600); border-color: var(--blue-400); }
.lang-sw a.on { background: linear-gradient(135deg, var(--blue-600), var(--blue-400)); color: #fff; border-color: transparent; box-shadow: 0 4px 12px rgba(22, 104, 220, .3); }

/* 抽屉内 logo 与语言切换 */
.mobile-nav .m-logo { position: absolute; top: 26px; left: 44px; height: 54px; background: #fff; padding: 8px 10px; border-radius: 10px; box-shadow: var(--shadow-md); }
.mobile-nav .lang-sw { position: absolute; top: 88px; left: 44px; }
.mobile-nav .lang-sw a { color: rgba(255, 255, 255, .85); border-color: rgba(255, 255, 255, .35); background: transparent; }
.mobile-nav .lang-sw a.on { background: linear-gradient(135deg, var(--blue-500), var(--cyan-400)); color: #fff; border-color: transparent; }
.mobile-nav .lang-sw span { color: rgba(255, 255, 255, .4); }

@media (max-width: 1439px) { .lang-sw { display: none; } }
@media (max-width: 1240px) { .header-phone { display: none; } .main-nav { gap: 14px; } .header-cta .btn { padding: 9px 16px; font-size: 14px; } .logo-img { width: 340px; } }
@media (max-width: 1180px) { .logo-img { width: 240px; } }
@media (max-width: 1080px) { :root { --header-h: 76px; } }
@media (max-width: 400px) { .logo-img { width: 140px; } .header-cta .btn { padding: 9px 12px; } }
@media (max-width: 1080px) {
  .logo { align-self: center; margin-top: 0; padding: 6px 10px; border-radius: 10px; box-shadow: 0 6px 14px rgba(10, 47, 107, .10); }
  .logo-img { width: 190px; }
  .header-cta .btn { padding: 9px 18px; font-size: 14px; }
}
.mobile-nav .lang-sw a::after { content: none; }

/* ==========================================================================
   首页 · 六大业务体系 3D 球状环绕
   ========================================================================== */
.orbit-wrap { margin-top: 4px; }
.orbit-stage { position: relative; height: 600px; perspective: 1350px; perspective-origin: 50% 36%; margin-top: 6px; }
.orbit-halo {
  position: absolute; left: 50%; top: 60%; width: min(900px, 90%); height: 330px;
  border: 1.5px dashed rgba(22, 104, 220, .30); border-radius: 50%;
  transform: translate(-50%, -50%) rotateX(74deg); pointer-events: none;
}
.orbit-tilt { position: absolute; inset: 0; transform-style: preserve-3d; transform: rotateX(-7deg); }
.orbit-ring { position: absolute; inset: 0; transform-style: preserve-3d; }
.orbit-item {
  position: absolute; left: 50%; top: 50%; width: 276px; height: 358px;
  border-radius: 18px; overflow: hidden; cursor: pointer; background: #fff;
  transform: translate(-50%, -50%) rotateY(calc(var(--a) * 1deg)) translateZ(var(--r, 350px)) scale(var(--s, 1));
  box-shadow: 0 36px 80px rgba(10, 47, 107, .35);
  transition: box-shadow .3s ease; will-change: transform, opacity, filter;
}
.orbit-item img { width: 100%; height: 100%; object-fit: cover; display: block; filter: saturate(.85); }
.orbit-item .tint { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(18, 89, 195, .12), rgba(10, 47, 107, .44)); mix-blend-mode: multiply; pointer-events: none; }
.orbit-item .ov { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(6, 30, 70, 0) 36%, rgba(10, 47, 107, .66) 66%, rgba(6, 30, 70, .95) 100%); pointer-events: none; }
.orbit-item figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 16px 18px; color: #fff; display: flex; align-items: flex-end; gap: 10px; pointer-events: none; }
.orbit-item figcaption b { font-size: 18px; letter-spacing: 1px; white-space: nowrap; }
.orbit-item figcaption i { font-style: normal; font-size: 10.5px; letter-spacing: 2.5px; opacity: .72; transform: translateY(-2px); }
.orbit-item figcaption em { margin-left: auto; font-style: normal; font-family: Georgia, "Times New Roman", serif; font-size: 24px; opacity: .85; }
.orbit-item:hover, .orbit-item:focus-visible { --s: 1.14; box-shadow: 0 50px 100px rgba(10, 47, 107, .5); }
.orbit-item.is-front .ov { background: linear-gradient(180deg, rgba(6, 30, 70, 0) 40%, rgba(10, 47, 107, .55) 70%, rgba(6, 30, 70, .9) 100%); }

.orbit-caption { max-width: 760px; margin: 34px auto 0; text-align: center; min-height: 150px; }
.orbit-caption b { font-size: 25px; color: var(--ink); }
.orbit-caption i { display: block; font-style: normal; font-size: 11.5px; letter-spacing: 3px; color: var(--blue-500); margin-top: 5px; font-weight: 700; }
.orbit-caption p { margin-top: 10px; color: var(--ink-2); font-size: 14.5px; line-height: 1.8; }
.orbit-caption .btn { margin-top: 16px; padding: 11px 26px; font-size: 14.5px; }
.orbit-cap-swap { animation: capSwap .45s ease; }
@keyframes capSwap { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

.orbit-nav { display: flex; align-items: center; justify-content: center; gap: 16px; margin-top: 4px; }
.orbit-btn { width: 46px; height: 46px; border-radius: 50%; border: 1.5px solid var(--line); background: #fff; color: var(--blue-700); display: grid; place-items: center; cursor: pointer; transition: all .25s; }
.orbit-btn:hover { background: var(--blue-600); color: #fff; border-color: transparent; transform: translateY(-2px); box-shadow: 0 10px 20px rgba(22, 104, 220, .3); }
.orbit-btn svg { width: 20px; height: 20px; }
.orbit-dots { display: flex; gap: 9px; }
.orbit-dots button { width: 9px; height: 9px; border-radius: 99px; background: var(--line); border: 0; cursor: pointer; transition: all .3s; padding: 0; }
.orbit-dots button.on { width: 26px; background: linear-gradient(90deg, var(--blue-600), var(--cyan-400)); }

@media (max-width: 900px) {
  .orbit-stage { height: 480px; }
  .orbit-item { width: 214px; height: 278px; }
  .orbit-item figcaption b { font-size: 16px; }
  .orbit-caption { min-height: 172px; }
}

/* ==========================================================================
   锦澜官网 v2 — 改版增量样式
   1 透明 Logo  2 全屏 Banner 精简  3 深蓝板块背景图  4 产品分类卡 + 详情页
   5 案例详情页  6 知产资质  7 关于页视觉强化  8 联系页大远景 + 加入我们
   ========================================================================== */

/* ---------- 1. 透明 Logo ---------- */
.logo {
  align-self: flex-start; margin-top: 4px;
  background: none; padding: 0; border-radius: 0; box-shadow: none;
}
.logo-img { width: 300px; height: auto; max-width: none; display: block; }
.footer-brand .logo { margin-bottom: 18px; }
.footer-logo-img, .footer-brand .logo-img {
  height: 60px; width: auto; max-width: 100%; object-fit: contain;
  background: none; padding: 0; border-radius: 0; box-shadow: none;
  opacity: .96;
}
.mobile-nav .m-logo { background: none; padding: 0; border-radius: 0; box-shadow: none; height: auto; }
.mobile-nav .m-logo { width: 250px; }

/* ---------- 2. 首页 Banner 精简（保留全屏） ---------- */
.hero { height: 100vh; height: 100svh; }
.hero-content { padding-top: var(--header-h); }
.hero-actions .btn { padding: 14px 34px; font-size: 15.5px; }
.hero-slide::after {
  background: linear-gradient(100deg, rgba(6, 30, 70, .84) 10%, rgba(11, 77, 162, .55) 48%, rgba(11, 77, 162, .12) 90%);
}

/* ---------- 3. 深蓝板块背景图 ---------- */
.band-hero { position: relative; overflow: hidden; }
.band-hero .band-bg {
  position: absolute; inset: 0;
  background: var(--band-img, url("../assets/img/bg-strength.jpg")) center / cover no-repeat;
  opacity: .26; pointer-events: none;
}
.band-hero::before { opacity: .08; }
.band-hero .container { position: relative; z-index: 2; }

/* ---------- 4a. 产品分类卡（产品服务页 / 详情页“其他系统”） ---------- */
.pcat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.pcat-card {
  position: relative; display: block; border-radius: var(--radius); overflow: hidden;
  background: #fff; box-shadow: var(--shadow-sm); transition: transform .35s ease, box-shadow .35s ease;
}
.pcat-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); }
.pcat-media { position: relative; display: block; height: 230px; overflow: hidden; }
.pcat-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; filter: saturate(.92); }
.pcat-card:hover .pcat-media img { transform: scale(1.06); }
.pcat-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 52%, rgba(6, 30, 70, .58)); }
.pcat-media .no {
  position: absolute; left: 16px; top: 14px; z-index: 2;
  font-family: Georgia, "Times New Roman", serif; font-size: 14px; letter-spacing: 1px;
  color: #fff; background: rgba(11, 77, 162, .62); padding: 4px 13px; border-radius: 999px; backdrop-filter: blur(4px);
}
.pcat-body { display: block; padding: 20px 22px 22px; }
.pcat-body b { display: block; font-size: 19px; font-weight: 800; color: var(--ink); transition: color .25s; }
.pcat-card:hover .pcat-body b { color: var(--blue-600); }
.pcat-body i { display: block; font-style: normal; font-size: 11px; letter-spacing: 2.6px; color: var(--ink-3); margin-top: 3px; text-transform: uppercase; }
.pcat-body p { display: block; margin-top: 10px; font-size: 13.6px; color: var(--ink-2); line-height: 1.7; min-height: 44px; }
.pcat-body .go { display: inline-flex; align-items: center; gap: 6px; margin-top: 12px; font-size: 13.5px; font-weight: 700; color: var(--blue-600); }
.pcat-body .go::after { content: "→"; transition: transform .3s; }
.pcat-card:hover .pcat-body .go::after { transform: translateX(4px); }

/* ---------- 4b. 产品详情页 ---------- */
.page-banner.tall { padding: calc(var(--header-h) + 92px) 0 96px; }
.page-banner.tall h1 { font-size: clamp(30px, 3.8vw, 46px); }
.pd-grid { display: grid; grid-template-columns: 1.08fr 1fr; gap: 52px; align-items: center; }
.pd-media { position: relative; border-radius: 18px; overflow: hidden; box-shadow: var(--shadow-md); }
.pd-media img { width: 100%; height: 400px; object-fit: cover; }
.pd-media .chip {
  position: absolute; left: 18px; top: 18px; z-index: 2;
  background: rgba(11, 77, 162, .78); color: #fff; font-size: 13px; letter-spacing: 1px;
  padding: 5px 14px; border-radius: 999px; backdrop-filter: blur(4px);
}
.pd-info .idx { font-family: Georgia, serif; color: var(--blue-400); font-size: 14px; letter-spacing: 2.5px; }
.pd-info h2 { margin-top: 6px; font-size: clamp(26px, 2.8vw, 34px); font-weight: 800; letter-spacing: 1px; }
.pd-info > .ov { margin-top: 16px; color: var(--ink-2); font-size: 15px; line-height: 1.85; text-align: justify; }
.pd-quick { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 24px; }
.pd-quick > div { background: var(--bg-light); border: 1px solid var(--line); border-radius: 12px; padding: 13px 16px; }
.pd-quick b { display: block; font-size: 15px; color: var(--blue-800); font-weight: 800; line-height: 1.45; }
.pd-quick span { display: block; font-size: 12px; color: var(--ink-3); margin-top: 3px; letter-spacing: 1px; }
.pd-cta { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }
.btn-outline { color: var(--blue-700); border: 1.5px solid rgba(18, 89, 195, .45); background: transparent; }
.btn-outline:hover { background: rgba(18, 89, 195, .08); }

.spec-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 16px; overflow: hidden; box-shadow: var(--shadow-sm); }
.spec-table tr { border-bottom: 1px solid var(--line); }
.spec-table tr:last-child { border-bottom: 0; }
.spec-table th, .spec-table td { padding: 17px 22px; text-align: left; font-size: 14.5px; vertical-align: top; }
.spec-table th { width: 168px; color: var(--blue-800); font-weight: 700; background: linear-gradient(90deg, var(--bg-light), transparent); white-space: nowrap; }
.spec-table td { color: var(--ink-2); }
.appl { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.appl span { font-size: 13px; color: var(--blue-700); background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 6px 16px; }
.appl-label { display: flex; align-items: center; gap: 10px; margin-top: 26px; color: var(--ink-3); font-size: 13px; letter-spacing: 2px; }
.appl-label::after { content: ""; flex: 1; height: 1px; background: var(--line); }

.adv-feats.four { grid-template-columns: repeat(4, 1fr); }
.g2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.g2 figure { margin: 0; border-radius: 16px; overflow: hidden; box-shadow: var(--shadow-md); position: relative; background: var(--blue-900); }
.g2 img { width: 100%; height: 340px; object-fit: cover; cursor: zoom-in; transition: transform .5s; display: block; }
.g2 figure:hover img { transform: scale(1.04); }
.g2 figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; padding: 44px 18px 14px;
  background: linear-gradient(180deg, transparent, rgba(6, 30, 70, .8)); color: #fff; font-size: 13px; letter-spacing: 1px;
}

/* 图片灯箱 */
.lb { position: fixed; inset: 0; z-index: 300; background: rgba(4, 18, 42, .9); display: none; place-items: center; padding: 4vh 4vw; cursor: zoom-out; }
.lb.on { display: grid; }
.lb img { max-width: 92vw; max-height: 88vh; border-radius: 10px; box-shadow: 0 30px 80px rgba(0,0,0,.5); }
.lb .x { position: absolute; top: 22px; right: 26px; width: 44px; height: 44px; border-radius: 50%; background: rgba(255,255,255,.12); color: #fff; font-size: 20px; display: grid; place-items: center; }

/* ---------- 5. 案例详情页 ---------- */
.page-banner .chips { position: relative; z-index: 1; display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.page-banner .chips span { font-size: 12.5px; letter-spacing: 1px; color: #fff; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.3); padding: 5px 14px; border-radius: 999px; backdrop-filter: blur(4px); }
.cs-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 52px; align-items: start; }
.cs-main > .ov { margin-top: 18px; color: var(--ink-2); font-size: 15px; line-height: 1.9; text-align: justify; }
.cs-systems { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.cs-systems > span { font-size: 13px; color: var(--ink-3); letter-spacing: 1px; margin-right: 4px; }
.cs-systems b { font-size: 13px; color: var(--blue-700); background: var(--sky-100); padding: 5px 14px; border-radius: 999px; font-weight: 600; }
.cs-facts { margin-top: 26px; border-top: 1px solid var(--line); }
.cs-facts div { display: flex; gap: 18px; padding: 12px 2px; border-bottom: 1px solid var(--line); font-size: 14px; }
.cs-facts div i { font-style: normal; color: var(--ink-3); min-width: 88px; letter-spacing: 1px; }
.cs-facts div b { color: var(--ink); font-weight: 600; }
.cs-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; background: linear-gradient(150deg, var(--blue-800), var(--blue-600)); border-radius: 18px; padding: 26px; box-shadow: var(--shadow-md); }
.cs-metrics .m { text-align: center; padding: 14px 6px; background: rgba(255,255,255,.08); border-radius: 12px; border: 1px solid rgba(255,255,255,.16); }
.cs-metrics .m b { display: block; font-family: Georgia, serif; font-size: 30px; color: #fff; line-height: 1.15; }
.cs-metrics .m b small { font-size: 15px; margin-left: 2px; }
.cs-metrics .m span { display: block; margin-top: 5px; font-size: 12.5px; color: rgba(255,255,255,.8); letter-spacing: 1px; }
.cs-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.cs-block { background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.16); border-radius: 16px; padding: 34px 32px; backdrop-filter: blur(3px); }
.cs-block .cs-k { font-family: Georgia, serif; font-size: 12.5px; letter-spacing: 3px; color: var(--cyan-400); }
.cs-block h3 { margin-top: 10px; font-size: 21px; color: #fff; font-weight: 800; letter-spacing: 1px; }
.cs-block p { margin-top: 12px; color: rgba(255,255,255,.85); font-size: 14.5px; line-height: 1.9; text-align: justify; }
.cs-gal { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.cs-gal figure { margin: 0; border-radius: 16px; overflow: hidden; box-shadow: var(--shadow-md); position: relative; background: var(--blue-900); }
.cs-gal figure.wide { grid-column: 1 / -1; }
.cs-gal img { width: 100%; height: 320px; object-fit: cover; cursor: zoom-in; transition: transform .5s; display: block; }
.cs-gal figure.wide img { height: 430px; }
.cs-gal figure:hover img { transform: scale(1.035); }
.cs-gal figcaption { position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; padding: 44px 18px 14px; background: linear-gradient(180deg, transparent, rgba(6, 30, 70, .8)); color: #fff; font-size: 13px; letter-spacing: 1px; }
.cs-result { display: flex; gap: 18px; align-items: flex-start; background: var(--bg-light); border-left: none; border-radius: 16px; padding: 24px 28px; margin-top: 26px; box-shadow: var(--shadow-sm); }
.cs-result b { flex: 0 0 auto; color: var(--blue-700); font-size: 15.5px; padding-top: 2px; }
.cs-result p { color: var(--ink-2); font-size: 14.5px; line-height: 1.85; }
.cs-nav { display: grid; grid-template-columns: 1fr auto 1fr; gap: 20px; align-items: center; }
.cs-nav a { display: inline-flex; align-items: center; gap: 10px; color: var(--ink-2); font-size: 14px; font-weight: 600; padding: 12px 18px; background: #fff; border-radius: 12px; box-shadow: var(--shadow-sm); transition: all .3s; min-width: 0; }
.cs-nav a b { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cs-nav a:hover { color: var(--blue-600); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.cs-nav a.next { justify-self: end; text-align: right; }
.cs-nav a.all { color: var(--blue-600); }

/* ---------- 6. 知产资质页 ---------- */
.tm-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 46px; align-items: stretch; }
.tm-showcase {
  position: relative; border-radius: 20px; overflow: hidden; min-height: 380px;
  background:
    radial-gradient(ellipse 70% 60% at 70% 20%, rgba(53, 182, 255, .16), transparent 60%),
    linear-gradient(160deg, #f6faff 0%, #e8f1fc 100%);
  border: 1px solid var(--line);
  display: grid; place-items: center; padding: 46px;
}
.tm-showcase::before {
  content: ""; position: absolute; inset: 18px; border: 1.5px dashed rgba(18, 89, 195, .25); border-radius: 12px; pointer-events: none;
}
.tm-showcase img.main { width: min(440px, 82%); filter: drop-shadow(0 18px 36px rgba(10, 47, 107, .18)); }
.tm-showcase .watermark { position: absolute; right: 30px; bottom: 22px; font-family: Georgia, serif; font-size: 74px; color: var(--blue-600); opacity: .08; }
.tm-cards { display: grid; grid-template-rows: 1fr 1fr; gap: 20px; }
.tm-card { background: #fff; border-radius: 16px; padding: 26px 28px; box-shadow: var(--shadow-sm); display: flex; gap: 18px; align-items: center; transition: transform .3s, box-shadow .3s; }
.tm-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.tm-card .ico { flex: 0 0 54px; width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center; background: linear-gradient(135deg, var(--blue-500), var(--cyan-400)); color: #fff; box-shadow: 0 10px 20px rgba(22, 104, 220, .3); }
.tm-card .ico svg { width: 26px; height: 26px; }
.tm-card b { display: block; font-size: 16.5px; color: var(--ink); }
.tm-card p { margin-top: 6px; font-size: 13.4px; color: var(--ink-2); line-height: 1.75; }
.dotmark-band { position: relative; overflow: hidden; }
.dotmark-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: center; }
.dotmark-txt h2, .dotmark-txt .sec-title { color: #fff; }
.dotmark-txt p { color: rgba(255,255,255,.85); font-size: 15px; line-height: 1.9; margin-top: 16px; }
.dotmark-txt .dm-link { display: inline-flex; align-items: center; gap: 10px; margin-top: 26px; padding: 13px 28px; border-radius: 999px; background: #fff; color: var(--blue-700); font-weight: 800; font-size: 16px; box-shadow: 0 14px 30px rgba(6, 30, 70, .3); transition: transform .3s; }
.dotmark-txt .dm-link:hover { transform: translateY(-2px); }
.dotmark-qr { background: #fff; border-radius: 18px; padding: 26px; display: flex; gap: 20px; align-items: center; box-shadow: var(--shadow-lg); }
.dotmark-qr img { height: 190px; width: auto; border-radius: 8px; }
.dotmark-qr .cap { font-size: 12.5px; color: var(--ink-2); line-height: 1.7; }
.dotmark-qr .cap b { display: block; color: var(--blue-800); font-size: 14px; margin-bottom: 4px; }
.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.cert-card { background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); transition: transform .35s, box-shadow .35s; }
.cert-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.cert-card .frame { position: relative; overflow: hidden; background: #f4f8fd; }
.cert-card .frame img { width: 100%; aspect-ratio: 1200 / 850; object-fit: cover; display: block; transition: transform .5s; }
.cert-card:hover .frame img { transform: scale(1.05); }
.cert-card .frame::after { content: ""; position: absolute; inset: 0; box-shadow: inset 0 0 0 1px rgba(18, 89, 195, .08); pointer-events: none; }
.cert-card b { display: block; padding: 16px 18px 0; font-size: 15.5px; color: var(--ink); }
.cert-card span { display: block; padding: 5px 18px 18px; font-size: 12.5px; color: var(--ink-3); line-height: 1.6; }
.cert-note { margin-top: 26px; text-align: center; font-size: 12.5px; color: var(--ink-3); }
.iso-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.test-chips { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 30px; }
.test-chips span { font-size: 13px; color: var(--blue-700); background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 7px 18px; box-shadow: var(--shadow-sm); }

/* ---------- 7. 关于页视觉强化 ---------- */
.about-media.collage { padding: 0 0 40px 26px; }
.about-media.collage .frame {
  position: absolute; left: -26px; top: 26px; right: 44px; bottom: 8px;
  border: 2px solid rgba(18, 89, 195, .16); border-radius: 20px; pointer-events: none;
}
.about-media.collage .main { border-radius: 18px; overflow: hidden; box-shadow: var(--shadow-lg); position: relative; z-index: 1; }
.about-media.collage .main img { height: 440px; width: 100%; object-fit: cover; }
.about-media.collage .sub {
  position: absolute; right: 0; bottom: 0; width: 52%; border-radius: 14px; overflow: hidden;
  border: 6px solid #fff; box-shadow: var(--shadow-lg); z-index: 2;
}
.about-media.collage .sub img { height: 190px; width: 100%; object-fit: cover; }
.about-media.collage .exp {
  position: absolute; left: -6px; top: -18px; z-index: 3;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-800)); color: #fff;
  border-radius: 16px; padding: 16px 22px; text-align: center; box-shadow: var(--shadow-lg);
}
.about-media.collage .exp b { display: block; font-size: 34px; font-family: Georgia, serif; line-height: 1.1; }
.about-media.collage .exp span { font-size: 12px; letter-spacing: 2px; opacity: .85; }
.about-media.collage .dots {
  position: absolute; right: -18px; top: 34px; width: 120px; height: 120px; z-index: 0; opacity: .5;
  background-image: radial-gradient(rgba(18, 89, 195, .5) 1.6px, transparent 1.6px); background-size: 16px 16px;
}
.quote-band { position: relative; overflow: hidden; border-radius: 22px; color: #fff; background: linear-gradient(115deg, var(--blue-950), var(--blue-800) 70%, var(--blue-600)); box-shadow: var(--shadow-lg); }
.quote-band .qb-bg { position: absolute; inset: 0; background: var(--qb-img, url("../assets/img/about-workshop.jpg")) center / cover no-repeat; opacity: .22; }
.quote-band .qb-inner { position: relative; z-index: 2; padding: 66px 60px; }
.quote-band blockquote { margin: 0; font-size: clamp(22px, 2.6vw, 32px); font-weight: 800; letter-spacing: 1px; line-height: 1.5; }
.quote-band blockquote::before { content: "“"; font-family: Georgia, serif; font-size: 1.6em; color: var(--cyan-400); margin-right: 6px; vertical-align: -12px; }
.quote-band .qb-sub { margin-top: 12px; color: rgba(255,255,255,.8); font-size: 14.5px; letter-spacing: 1px; }
.quote-band .qb-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 40px; }
.quote-band .qb-stat { text-align: center; padding: 20px 8px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16); border-radius: 14px; backdrop-filter: blur(3px); }
.quote-band .qb-stat b { display: block; font-size: 34px; font-family: Georgia, serif; background: linear-gradient(180deg, #fff, #9fd1ff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.quote-band .qb-stat b small { font-size: 16px; margin-left: 2px; }
.quote-band .qb-stat span { display: block; margin-top: 6px; font-size: 13px; color: rgba(255,255,255,.85); letter-spacing: 1px; }
.honor-more { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; margin-top: 34px; background: linear-gradient(120deg, var(--blue-700), var(--blue-500)); border-radius: 16px; padding: 26px 32px; color: #fff; box-shadow: var(--shadow-md); }
.honor-more p { font-size: 15px; font-weight: 700; letter-spacing: .5px; }
.honor-more small { display: block; margin-top: 4px; font-size: 12.5px; opacity: .85; font-weight: 400; }
.honor-more .btn { flex: 0 0 auto; }

/* ---------- 8. 联系页：大远景 + 加入我们 ---------- */
.pano-band { position: relative; border-radius: 22px; overflow: hidden; min-height: 420px; display: flex; align-items: flex-end; box-shadow: var(--shadow-lg); }
.pano-band .pano-img { position: absolute; inset: 0; background: url("../assets/img/contact-panorama.jpg") center / cover no-repeat; }
.pano-band::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(6, 30, 70, .08) 30%, rgba(6, 30, 70, .78)); }
.pano-band .pano-cap { position: relative; z-index: 2; width: 100%; padding: 40px 44px; color: #fff; display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.pano-band .pano-cap h3 { font-size: clamp(20px, 2.4vw, 28px); font-weight: 800; letter-spacing: 1px; }
.pano-band .pano-cap p { margin-top: 8px; font-size: 14px; color: rgba(255,255,255,.85); max-width: 560px; }
.pano-band .pano-chips { display: flex; gap: 12px; flex-wrap: wrap; }
.pano-band .pano-chips span { font-size: 13px; padding: 8px 18px; border-radius: 999px; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.32); backdrop-filter: blur(4px); letter-spacing: 1px; }
.join-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 40px; align-items: stretch; }
.join-media { position: relative; border-radius: 18px; overflow: hidden; min-height: 420px; box-shadow: var(--shadow-md); }
.join-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.join-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 46%, rgba(6, 30, 70, .72)); }
.join-media .jm-cap { position: absolute; left: 24px; right: 24px; bottom: 22px; z-index: 2; color: #fff; }
.join-media .jm-cap b { font-size: 18px; letter-spacing: 1px; }
.join-media .jm-cap p { margin-top: 4px; font-size: 13px; color: rgba(255,255,255,.85); }
.join-why { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.join-why span { font-size: 12.5px; color: var(--blue-700); background: var(--sky-100); border-radius: 999px; padding: 5px 14px; }
.join-list { background: #fff; border-radius: 18px; padding: 30px 30px 26px; box-shadow: var(--shadow-md); }
.join-list h3 { font-size: 19px; font-weight: 800; display: flex; align-items: center; gap: 10px; }
.join-list h3::before { content: ""; width: 4px; height: 18px; border-radius: 3px; background: linear-gradient(180deg, var(--blue-500), var(--cyan-400)); }
.job-item { display: flex; align-items: center; gap: 18px; padding: 17px 6px; border-bottom: 1px solid var(--line); transition: background .25s; border-radius: 10px; }
.job-item:hover { background: var(--bg-light); }
.job-item:last-of-type { border-bottom: 0; }
.job-item .ji-main { flex: 1; min-width: 0; }
.job-item .ji-main b { display: block; font-size: 15.5px; color: var(--ink); }
.job-item .ji-main p { margin-top: 3px; font-size: 12.8px; color: var(--ink-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.job-item .ji-meta { text-align: right; flex: 0 0 auto; }
.job-item .ji-meta i { display: block; font-style: normal; font-size: 12px; color: var(--ink-3); letter-spacing: .5px; }
.job-item .apply { flex: 0 0 auto; font-size: 12.5px; font-weight: 700; color: var(--blue-600); border: 1.5px solid rgba(18, 89, 195, .4); padding: 7px 14px; border-radius: 999px; transition: all .25s; white-space: nowrap; }
.job-item .apply:hover { background: var(--blue-600); color: #fff; border-color: transparent; }
.join-note { margin-top: 18px; font-size: 13px; color: var(--ink-2); background: var(--bg-light); border-radius: 12px; padding: 13px 18px; }
.join-sec .sec-head { margin-bottom: 44px; }

/* ---------- 导航下拉（产品服务） ---------- */
.main-nav .ni { position: relative; }
.main-nav .ni > a { display: inline-flex; align-items: center; gap: 5px; position: relative; padding: 10px 16px; font-size: 15.5px; font-weight: 500; color: var(--ink); white-space: nowrap; border-radius: 8px; transition: color .25s; }
.main-nav .ni > a::after { content: ""; position: absolute; left: 16px; right: 16px; bottom: 4px; height: 3px; border-radius: 3px; background: linear-gradient(90deg, var(--cyan-400), var(--blue-400)); transform: scaleX(0); transform-origin: left; transition: transform .3s ease; }
.main-nav .ni > a:hover::after, .main-nav .ni.active > a::after { transform: scaleX(1); }
.main-nav .ni:hover > a, .main-nav .ni.active > a { color: var(--blue-600); }
.main-nav .ni .caret { width: 8px; height: 8px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg) translateY(-2px); opacity: .55; transition: transform .3s; }
.main-nav .ni:hover .caret { transform: rotate(45deg) translateY(-1px) translateX(-1px); }
.main-nav .sub {
  position: absolute; left: 50%; top: 100%; transform: translate(-50%, 12px);
  min-width: 200px; background: #fff; border-radius: 14px; box-shadow: var(--shadow-lg);
  padding: 10px; opacity: 0; visibility: hidden; transition: all .3s ease; z-index: 60;
  border: 1px solid rgba(18, 89, 195, .1);
}
.main-nav .ni:hover .sub, .main-nav .ni:focus-within .sub { opacity: 1; visibility: visible; transform: translate(-50%, 4px); }
.main-nav .sub::before { content: ""; position: absolute; top: -7px; left: 50%; transform: translateX(-50%) rotate(45deg); width: 14px; height: 14px; background: #fff; border-radius: 3px; }
.main-nav .sub a { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 14px; border-radius: 9px; font-size: 14px; color: var(--ink); transition: all .2s; white-space: nowrap; }
.main-nav .sub a::after { content: "→"; opacity: 0; transform: translateX(-4px); transition: all .25s; color: var(--blue-500); }
.main-nav .sub a:hover { background: var(--bg-light); color: var(--blue-600); padding-left: 18px; }
.main-nav .sub a:hover::after { opacity: 1; transform: none; }
.main-nav .sub a.on { color: var(--blue-600); background: var(--bg-light); }

/* ---------- 移动端子导航 ---------- */
.mobile-nav .m-sub { display: block; font-size: 15px !important; font-weight: 500 !important; color: rgba(255,255,255,.78) !important; padding: 9px 4px 9px 22px !important; border-bottom: 1px dashed rgba(255,255,255,.1) !important; }
.mobile-nav .m-sub::after { content: "" !important; }

/* ---------- 响应式补充 ---------- */
@media (max-width: 1080px) {
  .pd-grid, .cs-grid, .tm-grid, .dotmark-grid, .join-grid { grid-template-columns: 1fr; }
  .pcat-grid { grid-template-columns: repeat(2, 1fr); }
  .adv-feats.four { grid-template-columns: repeat(2, 1fr); }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .iso-grid { grid-template-columns: 1fr; }
  .cs-2col { grid-template-columns: 1fr; }
  .cs-nav { grid-template-columns: 1fr; }
  .cs-nav a.next { justify-self: start; }
  .quote-band .qb-stats { grid-template-columns: repeat(2, 1fr); }
  .about-media.collage .main img { height: 340px; }
  .pd-media img { height: 300px; }
  .cs-gal figure.wide img { height: 320px; }
  .cs-gal img { height: 220px; }
}
@media (max-width: 640px) {
  .logo-img { width: 168px; }
  .pcat-grid, .cert-grid, .g2, .cs-gal, .adv-feats.four, .pd-quick { grid-template-columns: 1fr; }
  .g2 img, .cs-gal img, .cs-gal figure.wide img { height: 240px; }
  .quote-band .qb-inner { padding: 44px 26px; }
  .pano-band .pano-cap { padding: 28px 22px; }
  .tm-showcase { padding: 30px; min-height: 300px; }
  .tm-showcase img.main { width: 92%; }
  .dotmark-qr { flex-direction: column; text-align: center; }
  .cs-metrics { grid-template-columns: 1fr 1fr; }
  .job-item { flex-wrap: wrap; }
  .job-item .apply { margin-left: auto; }
  .page-banner.tall { padding: calc(var(--header-h) + 56px) 0 64px; }
}
@media (max-width: 400px) { .logo-img { width: 124px; } }

/* 案例舞台直达按钮 */
.case-go {
  position: absolute; right: 14px; bottom: 14px; z-index: 3; width: 40px; height: 40px; border-radius: 50%;
  display: grid; place-items: center; background: rgba(255, 255, 255, .16); border: 1px solid rgba(255, 255, 255, .42);
  color: #fff; font-size: 17px; backdrop-filter: blur(4px); transition: all .3s;
}
.case-stage-item:hover .case-go { background: var(--blue-500); border-color: transparent; transform: translateX(3px); }
.case-stage-item[data-link] { cursor: pointer; }
.bnr-product, .bnr-case, .bnr-qual { --bnr-img: none; }
/* v2 小屏头部保护 */
.header-cta { flex: 0 0 auto; }
.logo { min-width: 0; }
@media (max-width: 480px) {
  .header-cta { gap: 10px; }
  .header-cta .btn { padding: 9px 13px; font-size: 13.5px; }
}

/* ==========================================================================
   v2.1 — 头部收纳 + 联系页双栏配图
   ========================================================================== */
.logo { flex-shrink: 0; }
.header-cta { flex: 0 0 auto; }

/* 语言切换保持既有断点；电话号码在去掉按钮后于 1240-1600 区间回归 */
@media (min-width: 1240px) and (max-width: 1599px) {
  .header-phone { display: flex; }
}

/* 中间宽度导航收紧，避免挤入 logo 区 */
@media (max-width: 1360px) {
  .main-nav { gap: 6px; }
  .main-nav > a, .main-nav .ni > a { padding: 10px 13px; font-size: 15px; }
  .logo-img { width: 240px; }
}
@media (max-width: 1200px) {
  .main-nav { gap: 4px; }
  .main-nav > a, .main-nav .ni > a { padding: 10px 11px; font-size: 14.5px; }
  .logo-img { width: 196px; }
}

/* 联系页：左卡片列 + 右表单（修复原 4 列栅格空置） */
.contact-grid { grid-template-columns: 1fr 1.35fr; gap: 40px; align-items: start; }
.contact-visual {
  position: relative; border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-sm); margin-top: 6px;
}
.contact-visual img { width: 100%; height: 235px; object-fit: cover; display: block; }
.contact-visual::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(6, 30, 70, 0) 42%, rgba(6, 30, 70, .78));
}
.contact-visual .cv-cap {
  position: absolute; left: 20px; right: 20px; bottom: 16px; z-index: 2; color: #fff;
}
.contact-visual .cv-cap b { font-size: 17px; letter-spacing: 1px; }
.contact-visual .cv-cap p { margin-top: 3px; font-size: 12.8px; color: rgba(255, 255, 255, .85); letter-spacing: .5px; }

@media (max-width: 1080px) {
  .contact-grid { grid-template-columns: 1fr; }
}