/* ==========================================================================
   西安奥杰超钎 - 主样式
   设计：简约高端大气 · 深浅结合 · 科技工业风 · 动效丝滑
   品牌色：奥杰蓝 #0a5bb5 / 深蓝 #0a2540 / 红点缀 #e2231a
   ========================================================================== */

:root {
  --brand:        #0a5bb5;   /* 奥杰蓝 */
  --brand-light:  #2b82e0;
  --brand-dark:   #073d7a;
  --ink:          #0a2540;   /* 深蓝墨 */
  --ink-2:        #12305a;
  --accent:       #e2231a;   /* 品牌红点缀 */
  --cyan:         #23c0e6;   /* 科技青 */

  --text:         #1a2b3c;
  --text-2:       #556579;
  --text-3:       #8a97a6;
  --line:         #e6ebf1;
  --bg:           #ffffff;
  --bg-soft:      #f5f8fc;
  --bg-soft-2:    #eef3f9;

  --radius:       14px;
  --radius-lg:    22px;
  --shadow-sm:    0 4px 16px rgba(10,37,64,.06);
  --shadow:       0 12px 40px rgba(10,37,64,.10);
  --shadow-lg:    0 24px 70px rgba(10,37,64,.16);
  --container:    1280px;
  --nav-h:        76px;
  --ease:         cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; transition: color .3s var(--ease); }
img { max-width: 100%; display: block; }
ul { margin: 0; padding: 0; list-style: none; }
h1,h2,h3,h4 { margin: 0; font-weight: 600; line-height: 1.25; }
button { font-family: inherit; cursor: pointer; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ---------- 通用区块标题 ---------- */
.section { padding: 96px 0; position: relative; }
.section-soft { background: var(--bg-soft); }
.sec-head { text-align: center; margin-bottom: 56px; }
.sec-head .en {
  display: block; font-size: 13px; letter-spacing: 4px; font-weight: 500;
  color: var(--brand); text-transform: uppercase; margin-bottom: 12px;
}
.sec-head h2 {
  font-size: 36px; color: var(--ink); letter-spacing: 1px; position: relative;
  display: inline-block; padding-bottom: 18px;
}
.sec-head h2::after {
  content: ""; position: absolute; left: 50%; bottom: 0; transform: translateX(-50%);
  width: 48px; height: 3px; border-radius: 3px;
  background: linear-gradient(90deg, var(--brand), var(--cyan));
}
.sec-head .desc { max-width: 640px; margin: 18px auto 0; color: var(--text-2); font-size: 16px; }
.sec-head.light h2 { color: #fff; }
.sec-head.light .desc { color: rgba(255,255,255,.7); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 30px; border-radius: 999px; font-size: 15px; font-weight: 500;
  border: none; transition: all .35s var(--ease); position: relative; overflow: hidden;
}
.btn-primary { background: linear-gradient(120deg, var(--brand), var(--brand-light)); color: #fff; box-shadow: 0 8px 24px rgba(10,91,181,.32); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 14px 34px rgba(10,91,181,.42); color:#fff; }
.btn-ghost { background: rgba(255,255,255,.12); color: #fff; border: 1px solid rgba(255,255,255,.5); backdrop-filter: blur(4px); }
.btn-ghost:hover { background: #fff; color: var(--ink); transform: translateY(-3px); }
.btn-outline { background: transparent; color: var(--brand); border: 1.5px solid var(--brand); }
.btn-outline:hover { background: var(--brand); color: #fff; transform: translateY(-3px); }
.btn .arr { transition: transform .35s var(--ease); }
.btn:hover .arr { transform: translateX(4px); }

/* ==========================================================================
   顶部导航
   ========================================================================== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000; height: var(--nav-h);
  display: flex; align-items: center;
  transition: all .4s var(--ease);
}
.header.at-top { background: transparent; }
.header.scrolled {
  background: rgba(255,255,255,.92); backdrop-filter: blur(14px) saturate(1.4);
  box-shadow: 0 4px 24px rgba(10,37,64,.08); height: 66px;
}
.header .container { display: flex; align-items: center; justify-content: space-between; width: 100%; }

.logo { display: flex; align-items: center; gap: 12px; }
.logo img { height: 48px; width: auto; transition: height .3s var(--ease); }
.header.scrolled .logo img { height: 42px; }
.logo .logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.logo .zh { font-size: 19px; font-weight: 700; color: var(--ink); letter-spacing: .5px; }
.logo .en { font-size: 10px; letter-spacing: 1.5px; color: var(--text-3); }
.header.at-top .logo .zh { color: #fff; }
.header.at-top .logo .en { color: rgba(255,255,255,.75); }

.nav { display: flex; align-items: center; gap: 4px; }
.nav > li > a {
  display: block; padding: 10px 18px; font-size: 16px; font-weight: 500; color: var(--text);
  position: relative; border-radius: 8px;
}
.header.at-top .nav > li > a { color: rgba(255,255,255,.92); }
.nav > li > a::after {
  content:""; position:absolute; left:18px; right:18px; bottom:4px; height:2px;
  background: var(--brand); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease);
  border-radius: 2px;
}
.nav > li > a:hover, .nav > li.active > a { color: var(--brand); }
.header.at-top .nav > li > a:hover, .header.at-top .nav > li.active > a { color: #fff; }
.nav > li > a:hover::after, .nav > li.active > a::after { transform: scaleX(1); }
.header.at-top .nav > li > a::after { background: #fff; }

/* 下拉 */
.nav .has-sub { position: relative; }
.nav .submenu {
  position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%) translateY(10px);
  min-width: 220px; background: #fff; border-radius: 12px; box-shadow: var(--shadow);
  padding: 10px; opacity: 0; visibility: hidden; transition: all .3s var(--ease);
}
.nav .has-sub:hover .submenu { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.nav .submenu li a { display: block; padding: 11px 16px; border-radius: 8px; font-size: 15px; color: var(--text-2); }
.nav .submenu li a:hover { background: var(--bg-soft); color: var(--brand); padding-left: 22px; }

.nav-right { display: flex; align-items: center; gap: 16px; }
.lang-switch { display: flex; align-items: center; gap: 6px; font-size: 14px; }
.lang-switch a {
  padding: 5px 11px; border-radius: 999px; font-weight: 500; color: var(--text-2);
  border: 1px solid transparent; transition: all .3s var(--ease);
}
.header.at-top .lang-switch a { color: rgba(255,255,255,.8); }
.lang-switch a.on { background: var(--brand); color: #fff; }
.header.at-top .lang-switch a.on { background: #fff; color: var(--brand); }
.lang-switch a:not(.on):hover { color: var(--brand); }
.header.at-top .lang-switch a:not(.on):hover { color:#fff; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; width: 30px; height: 24px; justify-content: center; background: none; border: none; }
.nav-toggle span { display: block; height: 2px; background: var(--ink); border-radius: 2px; transition: all .3s var(--ease); }
.header.at-top .nav-toggle span { background: #fff; }

/* ==========================================================================
   首屏 Banner 轮播
   ========================================================================== */
.hero { position: relative; height: 100vh; min-height: 620px; overflow: hidden; }
.hero-slide {
  position: absolute; inset: 0; opacity: 0; transition: opacity 1.2s var(--ease);
  background-size: cover; background-position: center;
}
.hero-slide.active { opacity: 1; }
.hero-slide::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(5,15,30,.86) 0%, rgba(5,18,38,.6) 42%, rgba(5,18,38,.15) 100%);
}
.hero-slide::after {
  content:""; position:absolute; inset:0;
  background: radial-gradient(120% 80% at 80% 20%, transparent 40%, rgba(3,10,22,.5) 100%);
}
.hero-slide .bg-zoom { position:absolute; inset:0; background-size:cover; background-position:center; }
.hero-slide.active .bg-zoom { animation: kenburns 7s ease-out forwards; }
@keyframes kenburns { from { transform: scale(1); } to { transform: scale(1.09); } }

.hero-inner { position: relative; z-index: 3; height: 100%; display: flex; align-items: center; }
.hero-text { max-width: 680px; color: #fff; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px; padding: 7px 18px; margin-bottom: 24px;
  background: rgba(35,192,230,.14); border: 1px solid rgba(35,192,230,.4); border-radius: 999px;
  font-size: 14px; letter-spacing: 1px; color: #6fe0ff;
}
.hero-tag::before { content:""; width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }
.hero-title { font-size: 56px; font-weight: 700; line-height: 1.15; letter-spacing: 1px; margin-bottom: 22px; text-shadow: 0 4px 30px rgba(0,0,0,.3); }
.hero-sub { font-size: 19px; color: rgba(255,255,255,.85); margin-bottom: 38px; max-width: 560px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* slide 进入文字动画 */
.hero-slide .hero-tag,.hero-slide .hero-title,.hero-slide .hero-sub,.hero-slide .hero-actions { opacity: 0; transform: translateY(30px); }
.hero-slide.active .hero-tag { animation: heroUp .8s .3s var(--ease) forwards; }
.hero-slide.active .hero-title { animation: heroUp .8s .5s var(--ease) forwards; }
.hero-slide.active .hero-sub { animation: heroUp .8s .7s var(--ease) forwards; }
.hero-slide.active .hero-actions { animation: heroUp .8s .9s var(--ease) forwards; }
@keyframes heroUp { to { opacity: 1; transform: translateY(0); } }

/* 轮播控制 */
.hero-dots { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); z-index: 5; display: flex; gap: 12px; }
.hero-dots button { width: 40px; height: 4px; border-radius: 4px; border: none; background: rgba(255,255,255,.35); transition: all .3s var(--ease); }
.hero-dots button.on { background: #fff; width: 56px; }
.hero-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 5;
  width: 54px; height: 54px; border-radius: 50%; border: 1px solid rgba(255,255,255,.3);
  background: rgba(255,255,255,.08); color: #fff; font-size: 22px; backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center; transition: all .3s var(--ease);
}
.hero-arrow:hover { background: #fff; color: var(--ink); }
.hero-arrow.prev { left: 30px; }
.hero-arrow.next { right: 30px; }
.hero-scroll { position: absolute; bottom: 30px; right: 40px; z-index: 5; color: rgba(255,255,255,.6); font-size: 12px; letter-spacing: 2px; writing-mode: vertical-lr; display: flex; align-items: center; gap: 10px; }
.hero-scroll::after { content:""; width: 1px; height: 40px; background: linear-gradient(rgba(255,255,255,.6), transparent); animation: scrollLine 1.8s infinite; }
@keyframes scrollLine { 0%{transform:scaleY(0);transform-origin:top;} 50%{transform:scaleY(1);transform-origin:top;} 51%{transform-origin:bottom;} 100%{transform:scaleY(0);transform-origin:bottom;} }

/* ==========================================================================
   统计数字条
   ========================================================================== */
.stats-bar { background: linear-gradient(120deg, var(--ink) 0%, var(--ink-2) 60%, var(--brand-dark) 100%); position: relative; overflow: hidden; }
.stats-bar::before { content:""; position:absolute; inset:0; background: url('data:image/svg+xml,%3Csvg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"%3E%3Cpath d="M0 0h60v60H0z" fill="none"/%3E%3Cpath d="M0 30h60M30 0v60" stroke="%23ffffff" stroke-opacity="0.04" stroke-width="1"/%3E%3C/svg%3E'); }
.stats-grid { position: relative; display: grid; grid-template-columns: repeat(5,1fr); gap: 20px; padding: 60px 0; }
.stat { text-align: center; color: #fff; position: relative; }
.stat:not(:last-child)::after { content:""; position:absolute; right: -10px; top: 50%; transform: translateY(-50%); width: 1px; height: 46px; background: rgba(255,255,255,.12); }
.stat .num { font-size: 46px; font-weight: 700; line-height: 1; background: linear-gradient(120deg,#fff,#8fd0ff); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.stat .num .u { font-size: 18px; -webkit-text-fill-color: #8fd0ff; margin-left: 3px; }
.stat .label { margin-top: 12px; font-size: 15px; color: rgba(255,255,255,.7); }

/* ==========================================================================
   关于（首页）
   ========================================================================== */
.about-home { display: grid; grid-template-columns: 7fr 3fr; gap: 40px; align-items: center; }
.about-home .imgs { position: relative; }
.about-home .imgs .main { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.about-home .imgs .main img { width: 100%; height: 560px; object-fit: cover; }
.about-home .imgs .badge {
  position: absolute; right: -18px; bottom: -22px; background: linear-gradient(135deg,var(--brand),var(--brand-dark));
  color: #fff; padding: 22px 30px; border-radius: var(--radius); box-shadow: var(--shadow); text-align: center;
}
.about-home .imgs .badge .n { font-size: 40px; font-weight: 700; line-height: 1; }
.about-home .imgs .badge .t { font-size: 13px; opacity: .85; margin-top: 6px; }
.about-home .en { font-size: 12px; letter-spacing: 3px; color: var(--brand); font-weight: 500; text-transform: uppercase; }
.about-home h2 { font-size: 24px; color: var(--ink); margin: 8px 0 14px; }
.about-home p { color: var(--text-2); font-size: 13px; line-height: 1.8; margin-bottom: 16px; }
.about-home .feats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 14px; margin: 18px 0 22px; }
.about-home .feats li { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--text); font-weight: 500; }
.about-home .feats .ico { flex: none; width: 34px; height: 34px; border-radius: 9px; background: var(--bg-soft-2); color: var(--brand); display: flex; align-items: center; justify-content: center; font-size: 16px; }

/* ==========================================================================
   产品卡片
   ========================================================================== */
.prod-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.prod-card {
  position: relative; border-radius: var(--radius-lg); overflow: hidden; background: #fff;
  box-shadow: var(--shadow-sm); transition: all .45s var(--ease); border: 1px solid var(--line);
}
.prod-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; }
.prod-card .thumb { position: relative; height: 250px; overflow: hidden; }
.prod-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.prod-card:hover .thumb img { transform: scale(1.08); }
.prod-card .thumb::after { content:""; position:absolute; inset:0; background: linear-gradient(to top, rgba(10,37,64,.55), transparent 55%); }
.prod-card .cat-tag { position: absolute; top: 16px; left: 16px; z-index: 2; background: rgba(255,255,255,.92); color: var(--brand); font-size: 13px; font-weight: 500; padding: 6px 14px; border-radius: 999px; }
.prod-card .new-tag { position: absolute; top: 16px; right: 16px; z-index: 2; background: linear-gradient(120deg,var(--accent),#ff6a4d); color:#fff; font-size: 12px; font-weight: 600; padding: 6px 12px; border-radius: 999px; box-shadow: 0 6px 16px rgba(226,35,26,.35); }
.prod-card .body { padding: 26px 26px 30px; }
.prod-card h3 { font-size: 20px; color: var(--ink); margin-bottom: 12px; transition: color .3s var(--ease); }
.prod-card:hover h3 { color: var(--brand); }
.prod-card p { font-size: 14.5px; color: var(--text-2); margin-bottom: 20px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.prod-card .link { display: inline-flex; align-items: center; gap: 7px; font-size: 14px; font-weight: 500; color: var(--brand); }
.prod-card .link .arr { transition: transform .3s var(--ease); }
.prod-card:hover .link .arr { transform: translateX(5px); }

/* ==========================================================================
   企业实力
   ========================================================================== */
.strength-sec { background: linear-gradient(140deg,var(--ink) 0%, #0d2d54 100%); position: relative; overflow: hidden; }
.strength-sec .glow { position: absolute; width: 500px; height: 500px; border-radius: 50%; filter: blur(120px); opacity: .5; }
.strength-sec .glow.a { background: var(--brand); top: -160px; right: -100px; }
.strength-sec .glow.b { background: var(--cyan); bottom: -180px; left: -120px; opacity: .25; }
.strength-grid { position: relative; display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.strength-card {
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); border-radius: var(--radius-lg);
  padding: 38px 28px; color: #fff; transition: all .4s var(--ease); backdrop-filter: blur(6px);
}
.strength-card:hover { background: rgba(255,255,255,.1); transform: translateY(-8px); border-color: rgba(35,192,230,.4); }
.strength-card .ico { width: 60px; height: 60px; border-radius: 16px; background: linear-gradient(135deg,var(--brand),var(--cyan)); display: flex; align-items: center; justify-content: center; font-size: 26px; margin-bottom: 22px; }
.strength-card h3 { font-size: 19px; margin-bottom: 14px; }
.strength-card p { font-size: 14.5px; color: rgba(255,255,255,.7); }

/* ==========================================================================
   应用行业
   ========================================================================== */
.app-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.app-card {
  position: relative; border-radius: var(--radius); overflow: hidden; height: 180px;
  display: flex; align-items: flex-end; padding: 22px; color: #fff;
  background: linear-gradient(135deg,var(--brand-dark),var(--brand)); transition: all .4s var(--ease);
}
.app-card:nth-child(4n+2){ background: linear-gradient(135deg,#0d2d54,#12305a); }
.app-card:nth-child(4n+3){ background: linear-gradient(135deg,var(--ink),var(--brand-dark)); }
.app-card:nth-child(4n){ background: linear-gradient(135deg,#0e5aa8,#23c0e6); }
.app-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.app-card .ico { position: absolute; top: 20px; right: 20px; font-size: 34px; opacity: .3; transition: all .4s var(--ease); }
.app-card:hover .ico { opacity: .55; transform: scale(1.1); }
.app-card .name { font-size: 18px; font-weight: 600; position: relative; z-index: 2; }

/* ==========================================================================
   新闻（首页）
   ========================================================================== */
.news-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.news-card { background: #fff; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); transition: all .4s var(--ease); border: 1px solid var(--line); }
.news-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); }
.news-card .thumb { height: 210px; overflow: hidden; position: relative; background: var(--bg-soft-2); }
.news-card .thumb.news-thumb { display: flex; align-items: center; justify-content: center; }
.news-card .thumb.noimg { background: linear-gradient(135deg,var(--brand-dark),var(--brand)); }
.news-card .thumb .ph-ico { font-size: 46px; opacity: .5; }
.news-card .thumb.noimg::after { content:"AOJIE"; position:absolute; color:rgba(255,255,255,.25); font-size:28px; font-weight:700; letter-spacing:3px; }
.news-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.news-card:hover .thumb img { transform: scale(1.07); }
.news-card .cat { position: absolute; top: 14px; left: 14px; background: rgba(10,91,181,.92); color: #fff; font-size: 12px; padding: 5px 12px; border-radius: 999px; }
.news-card .body { padding: 24px; }
.news-card .date { font-size: 13px; color: var(--text-3); margin-bottom: 10px; display: flex; align-items: center; gap: 6px; }
.news-card h3 { font-size: 17px; color: var(--ink); line-height: 1.5; margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; transition: color .3s var(--ease); min-height: 51px; }
.news-card:hover h3 { color: var(--brand); }
.news-card p { font-size: 14px; color: var(--text-2); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* 列表型新闻（用于新闻页混合展示） */
.news-list { display: flex; flex-direction: column; gap: 0; }

/* ==========================================================================
   CTA 区
   ========================================================================== */
.cta {
  background: linear-gradient(120deg,var(--brand) 0%, var(--brand-dark) 100%); position: relative; overflow: hidden;
  color: #fff; text-align: center; padding: 80px 0;
}
.cta::before { content:""; position:absolute; inset:0; background: url('data:image/svg+xml,%3Csvg width="80" height="80" xmlns="http://www.w3.org/2000/svg"%3E%3Cpath d="M0 40h80M40 0v80" stroke="%23fff" stroke-opacity="0.06"/%3E%3C/svg%3E'); }
.cta h2 { position: relative; font-size: 34px; margin-bottom: 16px; }
.cta p { position: relative; font-size: 17px; opacity: .85; margin-bottom: 32px; }
.cta .btn-white { background: #fff; color: var(--brand); }
.cta .btn-white:hover { transform: translateY(-3px); box-shadow: 0 14px 34px rgba(0,0,0,.25); }

/* ==========================================================================
   页脚
   ========================================================================== */
.footer { background: var(--ink); color: rgba(255,255,255,.7); padding: 66px 0 0; position: relative; }
.footer-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: 40px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,.08); }
.footer .f-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.footer .f-logo img { height: 64px; width: auto; max-width: 220px; object-fit: contain; }
.footer .f-logo .zh { font-size: 18px; font-weight: 700; color: #fff; }
.footer .f-logo .en { font-size: 10px; letter-spacing: 1px; color: rgba(255,255,255,.5); }
.footer .f-intro { font-size: 14px; line-height: 1.9; color: rgba(255,255,255,.55); max-width: 340px; }
.footer h4 { color: #fff; font-size: 16px; margin-bottom: 22px; position: relative; padding-left: 12px; }
.footer h4::before { content:""; position:absolute; left:0; top: 4px; width: 3px; height: 15px; background: var(--cyan); border-radius: 2px; }
.footer .f-links li { margin-bottom: 12px; }
.footer .f-links a { font-size: 14px; color: rgba(255,255,255,.6); transition: all .3s var(--ease); }
.footer .f-links a:hover { color: #fff; padding-left: 5px; }
.footer .f-contact li { display: flex; gap: 12px; margin-bottom: 16px; font-size: 14px; line-height: 1.6; }
.footer .f-contact .ico { flex: none; color: var(--cyan); margin-top: 2px; }
.footer .f-qr { text-align: center; }
.footer .f-qr img { width: 120px; height: 120px; border-radius: 10px; background: #fff; padding: 6px; }
.footer .f-qr span { display: block; margin-top: 10px; font-size: 13px; color: rgba(255,255,255,.5); }
.footer-bottom { text-align: center; padding: 22px 0; font-size: 13px; color: rgba(255,255,255,.4); }
.footer-bottom a { color: rgba(255,255,255,.55); }
.footer-bottom a:hover { color: #fff; }

/* ==========================================================================
   内页通用
   ========================================================================== */
.page-hero { position: relative; height: 360px; display: flex; align-items: center; justify-content: center; text-align: center; color: #fff; overflow: hidden; margin-top: 0; }
.page-hero .bg { position:absolute; inset:0; background-size: cover; background-position: center; }
.page-hero::after { content:""; position:absolute; inset:0; background: linear-gradient(120deg,rgba(6,17,34,.9),rgba(10,45,84,.7)); }
.page-hero .inner { position: relative; z-index: 2; padding-top: var(--nav-h); }
.page-hero .en { font-size: 14px; letter-spacing: 5px; opacity: .7; text-transform: uppercase; }
.page-hero h1 { font-size: 44px; margin: 14px 0 0; letter-spacing: 2px; }
.breadcrumb { background: var(--bg-soft); border-bottom: 1px solid var(--line); }
.breadcrumb .container { display: flex; align-items: center; gap: 10px; padding: 16px 24px; font-size: 14px; color: var(--text-3); }
.breadcrumb a:hover { color: var(--brand); }
.breadcrumb .sep { color: var(--line); }

/* 通用工具 */
.text-center { text-align: center; }
.mt-40 { margin-top: 40px; }
.mt-56 { margin-top: 56px; }

/* ---------- 滚动出现动画 ---------- */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal.d1 { transition-delay: .1s; }
.reveal.d2 { transition-delay: .2s; }
.reveal.d3 { transition-delay: .3s; }
.reveal.d4 { transition-delay: .4s; }

/* 回到顶部 */
.back-top { position: fixed; right: 26px; bottom: 26px; width: 48px; height: 48px; border-radius: 12px; background: var(--brand); color: #fff; border: none; display: flex; align-items: center; justify-content: center; font-size: 20px; box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translateY(15px); transition: all .35s var(--ease); z-index: 900; }
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { background: var(--brand-dark); transform: translateY(-3px); }

/* 页脚自定义链接 */
.footer-links{display:flex;flex-wrap:wrap;align-items:center;gap:14px;padding:18px 0;border-top:1px solid rgba(255,255,255,.08);font-size:13px}
.footer-links .fl-label{color:rgba(255,255,255,.5)}
.footer-links a{color:rgba(255,255,255,.62);text-decoration:none;transition:color .2s}
.footer-links a:hover{color:#fff}


/* 页脚备案号链接 */
.footer-bottom .beian-link{color:inherit;text-decoration:none;transition:color .2s}
.footer-bottom .beian-link:hover{color:#fff;text-decoration:underline}


/* 蜜罐字段：对真实用户隐藏（机器人仍会看到并填写） */
.hp-field{position:absolute!important;left:-9999px!important;top:-9999px!important;width:1px;height:1px;overflow:hidden;opacity:0;pointer-events:none}