/* ============================================
   聊城金投控股 - 公共样式
   css/common.css
   ============================================ */

/* ===== CSS Variables ===== */
:root {
  --red:#C41E3A;--red-dark:#8B1528;--red-light:#EDE3DF;--red-lighter:#FAF6F3;
  --gold:#C9A96E;--gold-light:#F0EBE0;--gold-glow:rgba(201,169,110,0.25);
  --white:#FFFFFF;--off:#F7F5F2;--section:#F2F0EC;
  --text:#1A1A1A;--text2:#333;--text3:#666;
  --footer-bg:#F5F2EE;--footer-text:rgba(0,0,0,0.55);
  /* 色调轮换变量（JS 动态切换） */
  --theme-hero-from:#FDF8F5;--theme-hero-mid:#FFF;--theme-hero-to:#FDF2F4;
  --theme-hero-glow1:rgba(196,30,58,.06);--theme-hero-glow2:rgba(201,169,110,.08);
  --theme-hero-line:rgba(196,30,58,.04);
  --theme-footer-bg:#F5F2EE;--theme-footer-glow:rgba(196,30,58,.03);
  --shadow-sm:0 2px 8px rgba(0,0,0,0.05);--shadow-md:0 8px 30px rgba(0,0,0,0.08);
  --shadow-lg:0 20px 60px rgba(0,0,0,0.1);--shadow-red:0 16px 48px rgba(196,30,58,0.12);
  --radius:12px;--radius-lg:20px;--radius-xl:28px;
  --ease:cubic-bezier(0.4,0,0.2,1);
}

/* ===== Visual Texture System ===== */
/* Subtle noise texture overlay for depth */
body::before{content:'';position:fixed;inset:0;pointer-events:none;z-index:9999;opacity:.025;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");background-repeat:repeat;background-size:200px 200px;mix-blend-mode:overlay}

/* Glassmorphism utility */
.glass{background:rgba(255,255,255,0.65);backdrop-filter:blur(24px) saturate(1.4);-webkit-backdrop-filter:blur(24px) saturate(1.4);border:1px solid rgba(255,255,255,0.5)}
.glass-dark{background:rgba(26,26,26,0.6);backdrop-filter:blur(24px) saturate(1.4);-webkit-backdrop-filter:blur(24px) saturate(1.4);border:1px solid rgba(255,255,255,0.08)}

/* Gradient mesh backgrounds */
.mesh-bg{position:relative;overflow:hidden}
.mesh-bg::before{content:'';position:absolute;inset:-50%;width:200%;height:200%;background:radial-gradient(ellipse at 20% 50%,rgba(196,30,58,.04) 0%,transparent 50%),radial-gradient(ellipse at 80% 20%,rgba(201,169,110,.05) 0%,transparent 50%),radial-gradient(ellipse at 40% 80%,rgba(196,30,58,.03) 0%,transparent 50%);animation:meshFloat 20s ease-in-out infinite;pointer-events:none;z-index:0}
@keyframes meshFloat{0%,100%{transform:translate(0,0) rotate(0deg)}33%{transform:translate(2%,-1%) rotate(1deg)}66%{transform:translate(-1%,2%) rotate(-1deg)}}

/* Decorative geometric accents */
.geo-accent{position:absolute;pointer-events:none;opacity:.06}
.geo-accent.circle{width:300px;height:300px;border:1px solid var(--red);border-radius:50%}
.geo-accent.diamond{width:200px;height:200px;border:1px solid var(--gold);transform:rotate(45deg)}
.geo-accent.ring{width:400px;height:400px;border:2px solid var(--red);border-radius:50%;opacity:.03}

/* Micro-glow effects */
.glow-red{box-shadow:0 0 40px rgba(196,30,58,.08),0 0 80px rgba(196,30,58,.04)}
.glow-gold{box-shadow:0 0 40px rgba(201,169,110,.1),0 0 80px rgba(201,169,110,.05)}

/* Refined border treatment */
.border-elegant{border:1px solid rgba(0,0,0,.04);position:relative}
.border-elegant::after{content:'';position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:linear-gradient(135deg,rgba(255,255,255,0.4) 0%,transparent 50%,rgba(255,255,255,0.1) 100%);opacity:0;transition:opacity .4s ease}
.border-elegant:hover::after{opacity:1}

/* Premium shadow system */
.shadow-soft{box-shadow:0 2px 8px rgba(0,0,0,.04),0 8px 32px rgba(0,0,0,.06)}
.shadow-elevated{box-shadow:0 4px 16px rgba(0,0,0,.06),0 16px 48px rgba(0,0,0,.08)}
.shadow-dramatic{box-shadow:0 8px 32px rgba(0,0,0,.08),0 32px 64px rgba(0,0,0,.12)}

/* Shimmer loading effect */
.shimmer{position:relative;overflow:hidden}
.shimmer::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.3),transparent);transform:translateX(-100%);animation:shimmer 3s ease-in-out infinite}
@keyframes shimmer{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}

/* Text gradient utility */
.text-gradient{background:linear-gradient(135deg,var(--red),var(--red-dark));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.text-gradient-gold{background:linear-gradient(135deg,var(--gold),#B8943F);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}

/* ===== Reset ===== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:18px}
/* 全局设置 font-weight: 500，确保正文不会显得太细 */
body{font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei','Hiragino Sans GB','WenQuanYi Micro Hei',sans-serif;color:var(--text);background:var(--white);overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;line-height:1.75;font-weight:500}
/* 强制所有元素继承 body 的 font-weight，防止浏览器默认样式覆盖 */
*,*::before,*::after{font-weight:inherit}
::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:var(--off)}
::-webkit-scrollbar-thumb{background:var(--red-light);border-radius:3px}
img{display:block;max-width:100%}
.container{max-width:1880px;margin:0 auto;padding:0 20px}

/* ===== Reveal Animation ===== */
.reveal{opacity:0;transform:translateY(36px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal-d1{transition-delay:.1s}.reveal-d2{transition-delay:.2s}.reveal-d3{transition-delay:.25s}
.reveal-d4{transition-delay:.3s}.reveal-d5{transition-delay:.35s}.reveal-d6{transition-delay:.4s}

/* ===== NAV ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;padding:18px 0;transition:all .35s var(--ease)}
.nav.scrolled{background:rgba(255,255,255,.72);backdrop-filter:blur(28px) saturate(1.5);-webkit-backdrop-filter:blur(28px) saturate(1.5);padding:10px 0;box-shadow:0 1px 0 rgba(0,0,0,.04),0 8px 32px rgba(0,0,0,.06);border-bottom:1px solid rgba(255,255,255,0.5)}
.nav .container{display:flex;align-items:center;justify-content:space-between}
.nav-logo{font-family:'Noto Sans SC',sans-serif;font-size:24px;font-weight:700;color:var(--red);text-decoration:none;display:flex;align-items:center;gap:10px}
.nav-logo .ico{width:36px;height:36px;background:#DE2910;border-radius:8px;display:flex;align-items:center;justify-content:center;color:#F2D98B;font-size:18px;font-weight:900;font-family:'Noto Serif SC','Source Han Serif SC','SimSun','STSong',serif;transition:var(--ease);text-shadow:0 2px 4px rgba(0,0,0,.4),0 0 10px rgba(242,217,139,.4);box-shadow:0 1px 0 #B71C1C,inset 0 1px 0 rgba(255,255,255,.15)}
.nav.scrolled .nav-logo .ico{box-shadow:0 1px 0 #B71C1C,inset 0 1px 0 rgba(255,255,255,.15)}
.nav-links{display:flex;gap:8px;list-style:none}
.nav-links a{text-decoration:none;color:var(--text);font-size:14.5px;font-weight:600;padding:8px 18px;border-radius:100px;transition:color .15s ease,background .15s ease;position:relative}
.nav-links a::after{content:'';position:absolute;bottom:2px;left:50%;width:18px;height:2px;background:var(--red);border-radius:1px;transform:translateX(-50%) scaleX(0);transition:transform .2s ease}
.nav-links a:hover{color:var(--red);background:var(--red-lighter)}
.nav-links a:hover::after{transform:translateX(-50%) scaleX(1)}
.nav-links a.active{color:#fff;background:var(--red)}
.nav-links a.active::after{display:none}

/* ===== Dropdown ===== */
/* 导航栏主题切换按钮（隐藏式） */
.nav-theme-item{position:relative}
.nav-theme-toggle{width:34px;height:34px;border:none;border-radius:8px;background:transparent;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--text3);transition:all .3s ease;opacity:0}
.nav-links:hover .nav-theme-toggle,.nav-theme-toggle:focus{opacity:1}
.nav-theme-toggle:hover{color:var(--red);background:rgba(196,30,58,.06)}
.nav-theme-toggle svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.nav-theme-panel{position:absolute;top:calc(100% + 8px);right:-8px;background:var(--bg);border:1px solid rgba(0,0,0,.06);border-radius:16px;padding:18px;box-shadow:0 16px 48px rgba(0,0,0,.1);opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-4px) scale(.97);transition:all .25s cubic-bezier(.16,1,.3,1);min-width:190px;z-index:200}
.nav-theme-panel.open{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0) scale(1)}
.nav-theme-title{font-size:14px;font-weight:600;color:var(--text3);letter-spacing:2px;margin-bottom:12px;text-transform:uppercase}
.nav-theme-options{display:flex;flex-direction:column;gap:6px}
.nav-theme-opt{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:10px;cursor:pointer;transition:all .2s;border:1.5px solid transparent}
.nav-theme-opt:hover{background:rgba(0,0,0,.03)}
.nav-theme-opt.active{background:rgba(196,30,58,.04);border-color:rgba(196,30,58,.15)}
.nav-theme-swatches{display:flex;gap:3px}
.nav-theme-swatches span{width:14px;height:14px;border-radius:50%;border:1px solid rgba(0,0,0,.08)}
.nav-theme-name{font-size:14px;font-weight:500;color:var(--text2)}
.nav-theme-opt.active .nav-theme-name{color:var(--red);font-weight:600;text-shadow:0 1px 2px rgba(196,30,58,0.15)}
.nav-theme-reset{margin-top:10px;padding-top:10px;border-top:1px solid rgba(0,0,0,.05);font-size:14px;color:var(--text3);cursor:pointer;text-align:center;transition:color .2s}
.nav-theme-reset:hover{color:var(--red)}

/* 移动端：主题按钮始终可见 */
@media(max-width:900px){
  .nav-theme-toggle{opacity:1}
  .nav-theme-panel{right:-20px}
}

.nav-links li.has-dropdown{position:relative}
.dropdown-menu{position:absolute;top:calc(100% + 2px);left:50%;transform:translateX(-50%) translateY(4px);opacity:0;visibility:hidden;pointer-events:none;background:rgba(255,255,255,0.97);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-radius:18px;box-shadow:0 12px 48px rgba(0,0,0,.07),0 2px 8px rgba(0,0,0,.03);padding:16px 8px;min-width:180px;transition:opacity .15s ease,transform .15s ease,visibility .15s;z-index:100;border:1px solid rgba(201,169,110,0.1)}
.nav-links li.has-dropdown:hover .dropdown-menu{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}
.dropdown-menu a{display:block;padding:11px 22px;border-radius:12px;text-decoration:none;color:var(--text);font-size:14.5px;font-weight:500;transition:all .2s;position:relative;text-align:center;letter-spacing:.5px}
.dropdown-menu a::after{content:'';position:absolute;bottom:4px;left:50%;width:0;height:2px;background:linear-gradient(90deg,transparent,var(--gold),transparent);border-radius:1px;transform:translateX(-50%);transition:width .3s}
.dropdown-menu a:hover{color:var(--red);background:var(--red-lighter)}
.dropdown-menu a:hover::after{width:56%}

/* ===== Page Banner (子页面通用) ===== */
.first-section{padding-top:160px!important}
.page-banner{position:relative;padding:160px 0 80px;overflow:hidden;background:linear-gradient(160deg,var(--theme-hero-from) 0%,var(--theme-hero-mid) 40%,var(--theme-hero-to) 100%);transition:background 2s ease}
.page-banner::before{content:'';position:absolute;top:-200px;right:-200px;width:600px;height:600px;background:radial-gradient(circle,var(--theme-hero-glow1) 0%,transparent 70%);pointer-events:none;transition:background 2s ease}
.page-banner::after{content:'';position:absolute;bottom:-150px;left:-150px;width:500px;height:500px;background:radial-gradient(circle,var(--theme-hero-glow2) 0%,transparent 70%);pointer-events:none;transition:background 2s ease}
.page-banner .deco{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.page-banner .deco .line{position:absolute;background:linear-gradient(180deg,transparent,var(--theme-hero-line),transparent);width:1px;height:100%;top:0;transition:background 2s ease}
.page-banner .deco .line:nth-child(1){left:15%;animation:lineFloat 8s ease-in-out infinite}
.page-banner .deco .line:nth-child(2){left:85%;animation:lineFloat 8s 2s ease-in-out infinite}
@keyframes lineFloat{0%,100%{opacity:.3;transform:scaleY(1)}50%{opacity:.8;transform:scaleY(1.1)}}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text3);margin-bottom:24px;opacity:0;animation:fadeUp .7s .2s forwards}
.breadcrumb a{color:var(--text3);text-decoration:none;transition:var(--ease)}
.breadcrumb a:hover{color:var(--red)}
.breadcrumb .sep{color:var(--red-light)}
.page-banner h1{font-family:'Noto Serif SC','Source Han Serif SC','SimSun','STSong',serif;font-size:52px;font-weight:900;line-height:1.3;margin-bottom:16px;opacity:0;animation:fadeUp .7s .4s forwards}
.page-banner h1 span{color:var(--red)}
.page-banner .subtitle{font-size:16px;color:var(--text2);line-height:1.8;max-width:660px;opacity:0;animation:fadeUp .7s .6s forwards;font-weight:500}
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}

/* ===== Section Common ===== */
.sec-label{font-family:'Noto Serif SC','Source Han Serif SC','SimSun','STSong',serif;font-size:14px;letter-spacing:4px;color:var(--red);margin-bottom:10px;display:flex;align-items:center;gap:10px}
.sec-label::before{content:'';width:28px;height:1px;background:var(--red)}
.sec-label.center{justify-content:center}.sec-label.center::before{display:none}
.sec-title{font-family:'Noto Serif SC','Source Han Serif SC','SimSun','STSong',serif;font-size:38px;font-weight:700;line-height:1.3;margin-bottom:14px}
.sec-title span{color:var(--red)}
.sec-desc{font-size:18px;color:var(--text2);line-height:1.8;max-width:660px;font-weight:500}
.sec-divider{height:1px;background:linear-gradient(90deg,transparent,var(--red-light),transparent);margin:0 auto}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 34px;border-radius:100px;font-size:15px;font-weight:500;border:none;cursor:pointer;transition:var(--ease);text-decoration:none;position:relative;overflow:hidden}
.btn-red{background:var(--red);color:#fff}
.btn-red::before{content:'';position:absolute;inset:0;background:var(--red-dark);opacity:0;transition:var(--ease)}
.btn-red:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(196,30,58,.3)}
.btn-red:hover::before{opacity:1}
.btn-red span,.btn-red svg{position:relative;z-index:1}
.btn-outline{background:transparent;color:var(--text);border:1.5px solid rgba(0,0,0,.12)}
.btn-outline:hover{border-color:var(--red);color:var(--red);background:var(--red-lighter)}

/* ===== Sub Card (业务子板块卡片) ===== */
.sub-card{background:rgba(255,255,255,0.8);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-radius:var(--radius-xl);padding:34px;border:1px solid rgba(0,0,0,.04);transition:var(--ease);position:relative;overflow:hidden}
.sub-card::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.8),transparent);pointer-events:none}
.sub-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.sub-card h4{font-family:'Noto Serif SC','Source Han Serif SC','SimSun','STSong',serif;font-size:19px;font-weight:700;margin-bottom:12px}
.sub-card .sub-tag{display:inline-block;font-size:14px;font-weight:600;color:var(--red);background:var(--red-light);padding:4px 12px;border-radius:100px;margin-bottom:12px}
.sub-card p{font-size:16px;color:var(--text2);line-height:1.9;font-weight:500}
.sub-card .sub-desc{margin-top:12px}

/* ===== FOOTER（浅色优雅风格） ===== */
.footer{position:relative;overflow:hidden}
.footer-grad{height:60px;background:linear-gradient(to bottom,var(--section),var(--theme-footer-bg));transition:background 2s ease}
.footer-main{background:var(--theme-footer-bg);padding:56px 0 36px;position:relative;transition:background 2s ease;overflow:hidden}
.footer-main::after{content:'';position:absolute;top:-100px;right:-100px;width:400px;height:400px;background:radial-gradient(circle,rgba(201,169,110,.06) 0%,transparent 70%);pointer-events:none;animation:meshFloat 15s ease-in-out infinite}
.footer-main::before{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);width:50px;height:3px;background:linear-gradient(90deg,var(--red),var(--gold));border-radius:2px}
.footer-glow{position:absolute;top:-60px;left:50%;transform:translateX(-50%);width:360px;height:120px;background:radial-gradient(ellipse,var(--theme-footer-glow),transparent 70%);pointer-events:none;transition:background 2s ease}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr auto;gap:40px;margin-bottom:40px}
.footer-brand .flogo{font-family:'Noto Serif SC','Source Han Serif SC','SimSun','STSong',serif;font-size:21px;font-weight:700;color:var(--text);margin-bottom:14px}
.footer-brand p{font-size:15px;color:var(--text);line-height:1.8;margin-bottom:20px;font-weight:400}
.footer-social{display:flex;gap:10px}
.footer-social a{width:36px;height:36px;border-radius:10px;border:1px solid rgba(0,0,0,.08);display:flex;align-items:center;justify-content:center;color:var(--text2);text-decoration:none;transition:all .4s cubic-bezier(.25,.46,.45,.94);background:rgba(255,255,255,.6)}
.footer-social a:hover{background:var(--red);border-color:var(--red);color:#fff;transform:translateY(-2px)}
.footer-social a svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.footer-col h4{font-size:15px;font-weight:600;color:var(--text);margin-bottom:16px;padding-bottom:10px;position:relative}
.footer-col h4::after{content:'';position:absolute;bottom:0;left:0;width:20px;height:2px;background:var(--red);transition:width .4s cubic-bezier(.25,.46,.45,.94)}
.footer-col:hover h4::after{width:36px}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:9px}
.footer-col ul a{font-size:15px;color:var(--text);font-weight:700;text-decoration:none;transition:all .4s cubic-bezier(.25,.46,.45,.94);display:inline-flex;align-items:center;gap:5px;padding:4px 12px;border-radius:8px;margin:-4px -12px}
.footer-col ul a::before{content:'';width:0;height:1px;background:var(--gold);transition:width .4s cubic-bezier(.25,.46,.45,.94)}
.footer-col ul a:hover{color:var(--red);background:var(--red-lighter)}
.footer-col ul a:hover::before{width:10px}
.fci{display:flex;align-items:flex-start;gap:10px;margin-bottom:14px}
.fci svg{width:14px;height:14px;stroke:var(--red);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0;margin-top:2px}
.fci span{font-size:15px;color:var(--text);line-height:1.6}
.footer-qr{width:90px;height:90px;background:#fff;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;margin-top:10px;position:relative;overflow:hidden;box-shadow:var(--shadow-sm)}
.footer-qr img{width:100%;height:100%;object-fit:cover;border-radius:var(--radius)}
.footer-qr::after{content:'';position:absolute;inset:0;border:2px solid var(--red);border-radius:var(--radius);opacity:0;animation:qrP 4s ease-in-out infinite}
@keyframes qrP{0%,100%{opacity:0;transform:scale(1)}50%{opacity:.3;transform:scale(1.03)}}
.footer-qr-txt{font-size:15px;color:var(--text2);text-align:center;margin-top:6px}
.footer-bottom{border-top:1px solid rgba(0,0,0,.06);padding:22px 0;text-align:center}
.footer-bottom p{font-size:15px;color:var(--text);font-weight:400}
.footer-links{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.footer-links .fl-label{font-size:15px;color:var(--text2);white-space:nowrap;margin-right:2px}
.footer-links a{font-size:15px;color:var(--text);font-weight:700;text-decoration:none;transition:all .4s cubic-bezier(.25,.46,.45,.94);padding:5px 14px;border-radius:100px;border:1px solid rgba(0,0,0,.06)}
.footer-links a:hover{color:var(--red);border-color:rgba(196,30,58,.3);background:var(--red-lighter)}

/* ===== Biz Detail (业务子页面通用) ===== */
.biz-detail{padding:110px 0;background:var(--white)}
.biz-detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.biz-detail-img{position:relative;border-radius:var(--radius-xl);overflow:hidden;aspect-ratio:4/3}
.biz-detail-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.biz-detail-img:hover img{transform:scale(1.04)}
.biz-detail-img::after{content:'';position:absolute;inset:0;border:2px solid var(--red);border-radius:var(--radius-xl);opacity:0;transition:var(--ease);pointer-events:none}
.biz-detail-img:hover::after{opacity:1}
.biz-detail-text p{font-size:18px;color:var(--text2);line-height:2;margin-bottom:16px;font-weight:500}
.biz-detail-text p strong{color:var(--text);font-weight:600}

/* ===== Subsidiaries (子公司通用) ===== */
.subsidiaries{padding:110px 0;background:var(--off)}
.subsidiaries-header{text-align:center;margin-bottom:56px}
.subsidiaries-header .sec-desc{margin:0 auto}
.sub-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}

/* ===== FLOAT Buttons ===== */
.floats{position:fixed;right:20px;bottom:20px;display:flex;flex-direction:column;gap:12px;z-index:999}
.fbtn{width:44px;height:44px;border-radius:12px;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--ease);box-shadow:var(--shadow-sm)}
.fbtn svg{width:18px;height:18px;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;fill:none;transition:var(--ease)}
.fbtn-top{background:var(--red);color:#fff;opacity:0;transform:translateY(16px);pointer-events:none}
.fbtn-top.vis{opacity:1;transform:translateY(0);pointer-events:auto}
.fbtn-top:hover{background:var(--red-dark);transform:translateY(-2px)}
.fbtn-phone{background:#fff;color:var(--red);border:1px solid var(--red-light)}
.fbtn-phone:hover{background:var(--red);color:#fff;transform:translateY(-2px)}
.fbtn-phone:hover svg{stroke:#fff}
.fbtn-qr{background:#fff;color:var(--gold);border:1px solid var(--gold-light)}
.fbtn-qr:hover{background:var(--gold);color:#fff;transform:translateY(-2px)}
.fbtn-qr:hover svg{stroke:#fff}

/* ===== Responsive (基础) ===== */
@media(max-width:768px){
  .container{padding:0 20px}
  .page-banner h1{font-size:34px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .nav-links{display:none}
  .nav-hamburger{display:flex}
  .mobile-nav{display:block}
  .mobile-overlay{display:block}
  .biz-related-grid{grid-template-columns:1fr;gap:16px}
  .biz-detail-grid{grid-template-columns:1fr;gap:32px}
  .sub-grid{grid-template-columns:1fr}
  .floats{right:16px;bottom:16px;padding-bottom:env(safe-area-inset-bottom)}
}
@media(max-width:480px){
  .container{padding:0 16px}
  .sec-title{font-size:24px}
  .sec-desc{font-size:16px}
  .page-banner h1{font-size:28px}
  .page-banner{padding:130px 0 60px}
  .first-section{padding-top:130px!important}
  .btn{padding:12px 24px;font-size:14px}
  .footer-main{padding:40px 0 24px}
  .footer-brand{margin-bottom:8px}
  .footer-col{margin-bottom:8px}
  .footer-col h4{font-size:14px;margin-bottom:12px}
  .footer-col ul a{font-size:14px;padding:6px 10px;margin:-6px -10px}
  .footer-bottom{padding:16px 0}
  .footer-bottom p{font-size:13px}
  .fci span{font-size:13px}
  .footer-qr{width:80px;height:80px}
  .mobile-nav{width:100%}
  .news-card .nc-body{padding:16px}
  .news-card h3{font-size:15px}
  .news-card p{font-size:13px;-webkit-line-clamp:2}
  .pagination .page-btn{width:36px;height:36px;font-size:13px}
  .biz-related{padding:48px 0}
  .biz-related-grid{gap:12px}
  .sub-card{padding:24px}
  .form-row{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr;gap:24px}
  .contact-info,.contact-form{padding:24px}
  .ci-item{margin-bottom:16px}
  .ci-item .ci-ico{width:36px;height:36px}
  .ci-item span{font-size:13px}
  .form-group input,.form-group textarea,.form-group select{padding:10px 12px;font-size:16px}
  .form-submit{padding:12px;font-size:14px}
  .benefits-row{grid-template-columns:1fr 1fr;gap:12px}
  .benefit-item{padding:20px 16px}
  .benefit-ico{width:44px;height:44px}
  .benefit-item h4{font-size:14px}
  .benefit-item p{font-size:13px}
  .talent-hero{gap:32px}
  .talent-hero-content h3{font-size:22px}
  .talent-cta{padding:40px 24px}
  .talent-cta h3{font-size:22px}
  .page-progress{height:2px}
}
@media(max-width:1440px){
  .container{max-width:1600px}
  .sec-title{font-size:32px}
  .biz-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .footer-grid{grid-template-columns:1fr 1fr 1fr;gap:32px}
}
@media(max-width:1200px){
  .container{max-width:100%;padding:0 16px}
  .sec-title{font-size:28px}
  .page-banner h1{font-size:40px}
}
@media(max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .biz-related-grid{grid-template-columns:1fr 1fr}
}

/* ===== Mobile Navigation ===== */
.nav-hamburger{display:none;width:44px;height:44px;min-width:44px;min-height:44px;flex-direction:column;align-items:center;justify-content:center;gap:5px;background:none;border:none;cursor:pointer;padding:0;z-index:1002;-webkit-tap-highlight-color:transparent}
.nav-hamburger span{display:block;width:22px;height:2px;background:var(--text);border-radius:1px;transition:all .3s ease}
.nav-hamburger:hover span{background:var(--red)}
.nav-hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.nav-hamburger.active span:nth-child(2){opacity:0}
.nav-hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

.mobile-nav{display:none;position:fixed;top:0;right:0;width:280px;height:100vh;background:rgba(255,255,255,0.98);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);z-index:1001;transform:translateX(100%);transition:transform .3s ease;overflow-y:auto;box-shadow:-4px 0 24px rgba(0,0,0,.08);padding-bottom:env(safe-area-inset-bottom)}
.mobile-nav.open{transform:translateX(0)}
.mobile-nav-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--off)}
.mobile-nav-title{font-family:'Noto Serif SC','Source Han Serif SC','SimSun','STSong',serif;font-size:16px;font-weight:700;color:var(--text)}
.mobile-nav-close{width:44px;height:44px;min-width:44px;min-height:44px;display:flex;align-items:center;justify-content:center;background:none;border:none;font-size:24px;color:var(--text2);cursor:pointer;border-radius:8px;transition:var(--ease);-webkit-tap-highlight-color:transparent}
.mobile-nav-close:hover{background:var(--red-lighter);color:var(--red)}
.mobile-nav-body a{display:flex;align-items:center;padding:14px 24px;min-height:44px;font-size:15px;color:var(--text);text-decoration:none;border-bottom:1px solid var(--off);transition:all .2s ease;-webkit-tap-highlight-color:transparent}
.mobile-nav-body a:hover,.mobile-nav-body a.active{color:var(--red);background:var(--red-lighter)}
.mobile-nav-body .has-dropdown>a{display:flex;align-items:center;justify-content:space-between}
.mobile-nav-body .has-dropdown>a::after{content:'\203A';font-size:18px;color:var(--text3);transition:transform .3s ease}
.mobile-nav-body .has-dropdown.open>a::after{transform:rotate(90deg)}
.mobile-nav-body .dropdown-menu{position:static;transform:none;opacity:1;visibility:visible;pointer-events:auto;background:transparent;backdrop-filter:none;-webkit-backdrop-filter:none;border-radius:0;box-shadow:none;padding:0;min-width:auto;border:none;max-height:0;overflow:hidden;transition:max-height .3s ease}
.mobile-nav-body .has-dropdown.open .dropdown-menu{max-height:500px}
.mobile-nav-body .dropdown-menu a{padding:12px 40px;font-size:14px;border-bottom:1px solid var(--off);min-height:44px}
.mobile-nav-body .dropdown-menu a:last-child{border-bottom:none}
.mobile-nav-body .dropdown-menu a::after{display:none}

.mobile-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.5);z-index:1000;opacity:0;pointer-events:none;transition:opacity .3s ease}
.mobile-overlay.active{opacity:1;pointer-events:auto}

/* ===== Floating Action Buttons (扩展) ===== */
.fbtn-phone{width:52px;height:52px;border-radius:50%;background:var(--red);color:#fff;border:none;box-shadow:0 4px 20px rgba(196,30,58,.35);opacity:0;transform:scale(.8);pointer-events:none}
.fbtn-phone.vis{opacity:1;transform:scale(1);pointer-events:auto}
.fbtn-phone:hover{transform:scale(1.08)!important;box-shadow:0 6px 28px rgba(196,30,58,.45)}
.fbtn-phone svg{width:22px;height:22px}
.fab-qr-popup{position:fixed;bottom:164px;right:28px;z-index:901;opacity:0;visibility:hidden;transform:translateY(10px) scale(.95);transition:all .3s var(--ease);pointer-events:none}
.fab-qr-popup.open{opacity:1;visibility:visible;transform:translateY(0) scale(1);pointer-events:auto}
.fab-qr-card{background:#fff;border-radius:var(--radius-lg);padding:28px 24px 20px;box-shadow:0 16px 48px rgba(0,0,0,.12);text-align:center;position:relative;min-width:200px}
.fab-qr-close{position:absolute;top:8px;right:12px;font-size:22px;color:var(--text3);cursor:pointer;line-height:1;transition:color .2s}
.fab-qr-close:hover{color:var(--red)}
.fab-qr-title{font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px}
.fab-qr-img{display:flex;justify-content:center;margin-bottom:16px}
.fab-qr-actions{display:flex;gap:8px}
.fab-qr-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;padding:9px 0;border-radius:100px;font-size:14px;font-weight:500;text-decoration:none;transition:all .2s}
.fab-qr-call{background:var(--red);color:#fff}
.fab-qr-call:hover{background:var(--red-dark)}
.fab-qr-msg{background:var(--red-lighter);color:var(--red)}
.fab-qr-msg:hover{background:var(--red-light)}

/* ===== Image Lightbox ===== */
.lightbox-overlay{position:fixed;inset:0;background:rgba(0,0,0,.85);z-index:2000;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:all .3s ease;cursor:zoom-out;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.lightbox-overlay.open{opacity:1;visibility:visible}
.lightbox-overlay img{max-width:90vw;max-height:90vh;object-fit:contain;border-radius:var(--radius);box-shadow:0 20px 60px rgba(0,0,0,.4);transform:scale(.9);transition:transform .3s ease}
.lightbox-overlay.open img{transform:scale(1)}
.lightbox-close{position:absolute;top:20px;right:24px;width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.15);border:none;color:#fff;font-size:24px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s}
.lightbox-close:hover{background:rgba(255,255,255,.3)}

/* ===== Search Overlay ===== */
.search-overlay{position:fixed;inset:0;background:rgba(255,255,255,.97);z-index:3000;display:flex;flex-direction:column;align-items:center;padding:120px 24px 40px;opacity:0;visibility:hidden;transition:all .3s ease;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}
.search-overlay.open{opacity:1;visibility:visible}
.search-overlay .search-box{width:100%;max-width:640px;position:relative;margin-bottom:32px}
.search-overlay .search-input{width:100%;padding:18px 56px 18px 24px;border:2px solid rgba(0,0,0,.08);border-radius:100px;font-size:18px;font-family:'Noto Sans SC',sans-serif;color:var(--text);background:var(--off);outline:none;transition:border-color .2s}
.search-overlay .search-input:focus{border-color:var(--red)}
.search-overlay .search-input::placeholder{color:var(--text3)}
.search-overlay .search-close{position:absolute;top:50%;right:16px;transform:translateY(-50%);width:36px;height:36px;border-radius:50%;border:none;background:rgba(0,0,0,.05);color:var(--text2);font-size:20px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}
.search-overlay .search-close:hover{background:var(--red-lighter);color:var(--red)}
.search-results{width:100%;max-width:640px;max-height:50vh;overflow-y:auto}
.search-results .sr-item{display:flex;align-items:center;gap:16px;padding:16px 20px;border-radius:var(--radius);cursor:pointer;transition:background .2s;text-decoration:none;color:var(--text)}
.search-results .sr-item:hover{background:var(--red-lighter)}
.search-results .sr-item .sr-cat{font-size:14px;font-weight:600;color:var(--red);background:var(--red-light);padding:3px 10px;border-radius:100px;white-space:nowrap}
.search-results .sr-item .sr-title{font-size:15px;font-weight:500}
.search-results .sr-empty{text-align:center;color:var(--text3);padding:40px 0;font-size:14px}
.search-hint{font-size:14px;color:var(--text3);margin-top:16px}

/* ===== Toast Notification System ===== */
.toast-container{position:fixed;top:24px;right:24px;z-index:5000;display:flex;flex-direction:column;gap:10px;pointer-events:none}
.toast{pointer-events:auto;display:flex;align-items:center;gap:10px;padding:14px 20px;border-radius:var(--radius);background:var(--white);color:var(--text);box-shadow:0 8px 32px rgba(0,0,0,.12);border:1px solid rgba(0,0,0,.06);font-size:14px;font-weight:500;transform:translateX(120%);opacity:0;animation:toastIn .4s cubic-bezier(.16,1,.3,1) forwards;max-width:360px;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.toast.removing{animation:toastOut .3s cubic-bezier(.7,0,.84,0) forwards}
.toast-icon{width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.toast-icon svg{width:12px;height:12px;stroke:currentColor;fill:none;stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}
.toast.success .toast-icon{background:rgba(34,197,94,.12);color:#16a34a}
.toast.error .toast-icon{background:rgba(239,68,68,.12);color:#dc2626}
.toast.info .toast-icon{background:rgba(59,130,246,.12);color:#2563eb}
.toast-progress{position:absolute;bottom:0;left:0;height:2px;border-radius:0 0 var(--radius) var(--radius);animation:toastProgress 3s linear forwards}
.toast.success .toast-progress{background:#16a34a}
.toast.error .toast-progress{background:#dc2626}
.toast.info .toast-progress{background:#2563eb}
@keyframes toastIn{from{transform:translateX(120%);opacity:0}to{transform:translateX(0);opacity:1}}
@keyframes toastOut{from{transform:translateX(0);opacity:1}to{transform:translateX(120%);opacity:0}}
@keyframes toastProgress{from{width:100%}to{width:0%}}

/* ===== Skip Navigation ===== */
.skip-link{position:absolute;top:-100%;left:50%;transform:translateX(-50%);background:var(--red);color:#fff;padding:12px 24px;border-radius:0 0 8px 8px;font-size:14px;font-weight:600;z-index:10000;transition:top .3s ease;text-decoration:none}
.skip-link:focus{top:0}

/* ===== Page Loading Progress Bar ===== */
.page-progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:9999;transition:opacity .3s ease}
.page-progress-bar{height:100%;width:40%;background:linear-gradient(90deg,var(--red),var(--gold),var(--red));background-size:200% 100%;animation:progressSlide 1.2s ease-in-out infinite;border-radius:0 2px 2px 0}
@keyframes progressSlide{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* ===== Skeleton Loading ===== */
.skeleton{background:linear-gradient(90deg,var(--section) 25%,var(--off) 50%,var(--section) 75%);background-size:200% 100%;animation:skeletonPulse 1.5s ease-in-out infinite;border-radius:var(--radius)}
.skeleton-text{height:16px;margin-bottom:12px;border-radius:4px}
.skeleton-text.short{width:60%}
.skeleton-title{height:24px;margin-bottom:16px;width:80%;border-radius:4px}
.skeleton-img{width:100%;aspect-ratio:16/9;border-radius:var(--radius-lg)}
.skeleton-card{padding:24px;border-radius:var(--radius-lg);background:var(--section)}
@keyframes skeletonPulse{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* ===== Related Business Section ===== */
.biz-related{padding:80px 0;background:var(--off)}
.biz-related-header{text-align:center;margin-bottom:48px}
.biz-related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.biz-related-card{display:flex;flex-direction:column;gap:8px;text-decoration:none;color:inherit;position:relative}
.biz-related-card .biz-related-arrow{position:absolute;bottom:20px;right:20px;font-size:20px;color:var(--text3);transition:all .3s ease}
.biz-related-card:hover .biz-related-arrow{color:var(--red);transform:translateX(4px)}

/* ===== Form Enhancements ===== */
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:var(--red);background:#fff;box-shadow:0 0 0 3px var(--red-lighter)}
.form-group input[aria-invalid="true"],.form-group textarea[aria-invalid="true"]{border-color:#dc2626;box-shadow:0 0 0 3px rgba(220,38,38,.1)}
.form-group input[aria-invalid="true"]:focus,.form-group textarea[aria-invalid="true"]:focus{box-shadow:0 0 0 3px rgba(220,38,38,.15)}
.form-error{font-size:12px;color:#dc2626;margin-top:4px;display:none}
.form-group input[aria-invalid="true"]~.form-error,.form-group textarea[aria-invalid="true"]~.form-error{display:block}
.form-submit.loading{pointer-events:none;opacity:.8}
.form-submit.loading span{visibility:hidden}
.form-submit.loading::after{content:'';position:absolute;width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:formSpin .6s linear infinite;top:50%;left:50%;margin:-10px 0 0 -10px}
@keyframes formSpin{to{transform:rotate(360deg)}}

/* ===== 无障碍：焦点可见样式 ===== */
:focus-visible{outline:3px solid var(--red);outline-offset:2px;border-radius:2px}
:focus:not(:focus-visible){outline:none}

/* ===== 无障碍：减少动画偏好 ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* 隐藏党建中心 */
nav a[href="party.html"],nav .has-dropdown a[href="party.html"]{display:none!important}
footer a[href="party.html"]{display:none!important}